Megatest

Changes On Branch 6c77d0ada6805ca5
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Changes In Branch v1.66-captain-ulex Excluding Merge-Ins

This is equivalent to a diff from 2b412d7468 to 6c77d0ada6

2020-08-21
16:52
Merged in changes from v1.65 to ease syncing Leaf check-in: 6c77d0ada6 user: mrwellan tags: v1.66-captain-ulex
2020-08-03
10:01
Sync check-in: 686c5895a7 user: mrwellan tags: v1.66-captain-ulex
2020-07-28
22:41
Pulled in v1.66 check-in: 2b506bbc72 user: matt tags: v1.66-captain-ulex
22:23
Merged v1.65 Leaf check-in: 2b412d7468 user: matt tags: v1.66
15:51
Do not exit on issues creating link tree. Continue on. If the links were not properly removed let's fix the removal process rather than bandaid here. check-in: e49d32d625 user: mrwellan tags: v1.65, v1.6557
2020-07-26
14:11
Merged in latest from v1.65 check-in: 7e9e931afb user: matt tags: v1.66

Modified Makefile from [0948aa4fa3] to [60d541cecc].

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# rm <files>.o ; make install CSCOPTS='-profile' ; ... ;  chicken-profile | less
SHELL=/bin/bash
PREFIX=$(PWD)
CSCOPTS=
INSTALL=install
SRCFILES = common.scm items.scm launch.scm ods.scm runconfig.scm	\
           server.scm configf.scm db.scm keys.scm margs.scm		\
           megatest-version.scm process.scm runs.scm tasks.scm		\
           tests.scm genexample.scm http-transport.scm filedb.scm	\
           tdb.scm client.scm mt.scm ezsteps.scm lock-queue.scm		\
           sdb.scm rmt.scm api.scm subrun.scm portlogger.scm		\
           process.scm runs.scm tasks.scm tests.scm genexample.scm	\
           http-transport.scm filedb.scm tdb.scm client.scm mt.scm	\
           ezsteps.scm lock-queue.scm sdb.scm rmt.scm api.scm		\
           subrun.scm portlogger.scm archive.scm env.scm		\
           archive.scm env.scm diff-report.scm				\
           cgisetup/models/pgdb.scm
           diff-report.scm cgisetup/models/pgdb.scm

# module source files
# ftail.scm rmtmod.scm commonmod.scm removed
MSRCFILES = ducttape-lib.scm pkts.scm stml2.scm cookie.scm mutils.scm	\
            mtargs.scm commonmod.scm dbmod.scm adjutant.scm
            mtargs.scm commonmod.scm dbmod.scm adjutant.scm ulex.scm	\
            rmtmod.scm apimod.scm

GUISRCF = dashboard-context-menu.scm dashboard-tests.scm		\
          dashboard-guimonitor.scm gutils.scm dcommon.scm tree.scm	\
          vg.scm

OFILES   = $(SRCFILES:%.scm=%.o)
GOFILES  = $(GUISRCF:%.scm=%.o)

MOFILES = $(addprefix mofiles/,$(MSRCFILES:%.scm=%.o))
# compiled import files
MOIMPFILES = $(MSRCFILES:%.scm=%.import.o)

%.import.o : %.import.scm
	csc $(CSCOPTS) -unit $*.import -c $*.import.scm -o $*.import.o

# I'm not sure the cp is a good idea, changed a lot of things and it may not have been necessary...
mofiles/%.o  %.import.scm : %.scm
mofiles/%.o  %.import.scm : %.scm megatest-fossil-hash.scm
	@[ -e mofiles ] || mkdir -p mofiles
	csc $(CSCOPTS) -I mofiles -I $* -J -c $< -o $*.o
	csc $(CSCOPTS) -I $* -J -c $< -o mofiles/$*.o
	cp $*.o mofiles/$*.o
	@touch $*.import.scm # ensure it is touched after the .o is made

ADTLSCR=mt_laststep mt_runstep mt_ezstep
HELPERS=$(addprefix $(PREFIX)/bin/,$(ADTLSCR))
DEPLOYHELPERS=$(addprefix deploytarg/,$(ADTLSCR))
MTESTHASH=$(shell fossil info|grep checkout:| awk '{print $$2}')

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mtest: $(OFILES) readline-fix.scm megatest.o $(MOFILES) $(MOIMPFILES)
	csc $(CSCOPTS) $(OFILES) $(MOFILES) $(MOIMPFILES) megatest.o -o mtest

showmtesthash:
	@echo $(MTESTHASH)

dboard : $(OFILES) $(GOFILES) dashboard.scm $(MOFILES) $(MOIMPFILES)
dboard : $(OFILES) $(GOFILES) dashboard.scm $(MOFILES) $(MOIMPFILES) megatest-version.scm megatest-fossil-hash.scm
	csc $(CSCOPTS) $(OFILES) dashboard.scm $(GOFILES) $(MOFILES) $(MOIMPFILES) -o dboard

ndboard : newdashboard.scm $(OFILES) $(GOFILES)
	csc $(CSCOPTS) $(OFILES) $(GOFILES) newdashboard.scm -o ndboard

mtut: $(OFILES) $(MOFILES) megatest-fossil-hash.scm mtut.scm
mtut: $(OFILES) $(MOFILES) megatest-fossil-hash.scm mtut.scm megatest-version.scm
	csc $(CSCOPTS) $(OFILES) $(MOFILES) mtut.scm -o mtut

include makefile.inc

TCMTOBJS = \
	api.o \
	archive.o \
	cgisetup/models/pgdb.o \
	client.o \
	common.o \
	configf.o \
	db.o \
	env.o \
	http-transport.o \
	items.o \
	keys.o \
	launch.o \
	lock-queue.o \
	margs.o \
	mt.o \
	megatest-version.o \
	ods.o \
	portlogger.o \
	process.o \
	rmt.o \
        mofiles/rmtmod.o \
        rpc-transport.o \
	runconfig.o \
	runs.o \
	server.o \
	tasks.o \
	tdb.o \
	tests.o \
	subrun.o \
        ezsteps.o

#        mofiles/commonmod.o \

tcmt : $(TCMTOBJS) tcmt.scm
tcmt : $(TCMTOBJS) tcmt.scm megatest-version.scm
	csc $(CSCOPTS) $(TCMTOBJS) $(MOFILES) $(MOIMPFILES) tcmt.scm -o tcmt

# install documentation to $(PREFIX)/docs
# DOES NOT REBUILD DOCS
#
$(PREFIX)/share/docs/megatest_manual.html : docs/manual/megatest_manual.html
	mkdir -p $(PREFIX)/share/docs
	$(INSTALL) docs/manual/megatest_manual.html $(PREFIX)/share/docs/megatest_manual.html
	for png in $(PNGFILES);do $(INSTALL) docs/manual/$$png $(PREFIX)/share/docs/$$png;done

# add a fake dependency so this doens't copy everytime
$(PREFIX)/share/js/jquery-3.1.0.slim.min.js : # .fslckout
	mkdir -p $(PREFIX)/share/js
	fossil wiki export java-script-lib > $(PREFIX)/share/js/jquery-3.1.0.slim.min.js

$(PREFIX)/share/db/mt-pg.sql : mt-pg.sql
	mkdir -p $(PREFIX)/share/db
	$(INSTALL) mt-pg.sql $(PREFIX)/share/db/mt-pg.sql

# Special dependencies for the includes
$(MOFILE) $(MOIMPFILES) : megatest-fossil-hash.scm

common.o : mofiles/commonmod.o
common.o : mofiles/commonmod.o megatest-fossil-hash.scm

commonmod.o dashboard.o megatest.o tcmt.o apimod.o : megatest-fossil-hash.scm

tests.o db.o launch.o runs.o dashboard-tests.o				\
dashboard-context-menu.o dashboard-guimonitor.o dashboard-main.o	\
monitor.o dashboard.o archive.o megatest.o : db_records.scm
monitor.o dashboard.o archive.o megatest.o : db_records.scm megatest-fossil-hash.scm

tests.o runs.o dashboard.o dashboard-tests.o dashboard-context-menu.o dashboard-main.o  : run_records.scm

db.o ezsteps.o keys.o launch.o megatest.o monitor.o runs-for-ref.o runs.o tests.o : key_records.scm

tests.o tasks.o dashboard-tasks.o : task_records.scm

runs.o : test_records.scm

megatest.o : megatest-fossil-hash.scm
megatest.o : megatest-fossil-hash.scm megatest-version.scm

rmt.scm client.scm common.scm configf.scm dashboard-guimonitor.scm dashboard-tests.scm dashboard.scm db.scm dcommon.scm ezsteps.scm fs-transport.scm http-transport.scm index-tree.scm items.scm keys.scm launch.scm megatest.scm monitor.scm mt.scm newdashboard.scm runconfig.scm runs.scm server.scm tdb.scm tests.scm tree.scm : common_records.scm

common_records.scm : altdb.scm

mofiles/stml2.o : mofiles/cookie.o
configf.o : mofiles/commonmod.o

vg.o dashboard.o : vg_records.scm

dcommon.o : run_records.scm

mofiles/stml2.o : mofiles/cookie.o

# special include based modules
mofiles/pkts.o      : pkts/pkts.scm
mofiles/stml2.o     : cookie.o
# mofiles/mtargs.o    : mtargs/mtargs.scm
# mofiles/mtconfigf.o : mtconfigf/mtconfigf.scm
# mofiles/ulex.o      : ulex/ulex.scm
mofiles/ulex.o      : ulex/ulex.scm
mofiles/mutils.o    : mutils/mutils.scm
mofiles/cookie.o    : stml2/cookie.scm
mofiles/stml2.o     : stml2/stml2.scm

# for the modularized stuff
rmt.o : mofiles/ducttape-lib.o mofiles/pkts.o mofiles/stml2.o mofiles/mutils.o mofiles/mtargs.o

mofiles/rmtmod.o : mofiles/apimod.o mofiles/ulex.o

megatest-fossil-hash.scm : $(SRCFILES) megatest.scm *_records.scm
	echo "(define megatest-fossil-hash \"$(MTESTHASH)\")" > megatest-fossil-hash.new
	if ! diff -q megatest-fossil-hash.new megatest-fossil-hash.scm ; then echo copying .new to .scm;cp -f megatest-fossil-hash.new megatest-fossil-hash.scm;fi
megatest-fossil-hash.scm : .fslckout
	@echo "(define megatest-fossil-hash \"$(MTESTHASH)\")" > megatest-fossil-hash.new
	@if [[ ! -e megatest-fossil-hash.scm ]] || ! diff -q megatest-fossil-hash.new megatest-fossil-hash.scm ; then echo copying .new to .scm;cp -f megatest-fossil-hash.new megatest-fossil-hash.scm;fi

$(OFILES) $(GOFILES) : common_records.scm 

# This having the full list of MOFILES cause everything to be rebuilt every time.
#
# %.o : %.scm $(MOFILES)
# 	csc $(CSCOPTS) -c $< $(MOFILES)
#
%.o : %.scm
%.o : %.scm megatest-fossil-hash.scm
	csc $(CSCOPTS) -c $<

# specific rules for .o files that genuninely depend on mofiles/something
#
megatest.o : megatest.scm stml2.o mutils.o commonmod.o
	csc $(CSCOPTS) -c megatest.scm stml2.o mutils.o commonmod.o

dashboard.o : dashboard.scm stml2.o mutils.o commonmod.o dbmod.o
	csc $(CSCOPTS) -c megatest.scm stml2.o mutils.o commonmod.o dbmod.o

common.o : megatest.scm mofiles/commonmod.o common.scm
	csc $(CSCOPTS) -c common.scm mofiles/commonmod.o

configf.o : configf.scm mofiles/commonmod.o
	csc $(CSCOPTS) -c configf.scm mofiles/commonmod.o

$(PREFIX)/bin/.$(ARCHSTR)/bin/mtest : mtest 

$(PREFIX)/bin/megatest : $(PREFIX)/bin/.$(ARCHSTR)/bin/mtest utils/mk_wrapper

$(PREFIX)/bin/.$(ARCHSTR)/bin/mtest : mtest 
	@echo Installing to PREFIX=$(PREFIX)
	$(INSTALL) mtest $(PREFIX)/bin/.$(ARCHSTR)/bin/mtest

$(PREFIX)/bin/megatest : $(PREFIX)/bin/.$(ARCHSTR)/bin/mtest utils/mk_wrapper
	utils/mk_wrapper $(PREFIX) mtest $(PREFIX)/bin/megatest
	chmod a+x $(PREFIX)/bin/megatest

$(PREFIX)/bin/.$(ARCHSTR)/bin/ndboard : ndboard
	$(INSTALL) ndboard $(PREFIX)/bin/.$(ARCHSTR)/bin/ndboard

$(PREFIX)/bin/newdashboard : $(PREFIX)/bin/.$(ARCHSTR)/ndboard utils/mk_wrapper
	utils/mk_wrapper $(PREFIX) ndboard $(PREFIX)/bin/newdashboard
	chmod a+x $(PREFIX)/bin/newdashboard

# mtutil

$(PREFIX)/bin/.$(ARCHSTR)/bin/mtut : mtut
	$(INSTALL) mtut $(PREFIX)/bin/.$(ARCHSTR)/bin/mtut

install-mtut : mtut
	$(INSTALL) mtut $(PREFIX)/bin/mtut

$(PREFIX)/bin/mtutil : $(PREFIX)/bin/.$(ARCHSTR)/bin/mtut utils/mk_wrapper
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$(MTQA_FOSSIL) :
	fossil clone https://www.kiatoa.com/fossils/megatest_qa $(MTQA_FOSSIL)

clean : 
	rm -f $(OFILES) $(GOFILES) $(MOFILES) $(TCMTOBJS)		\
            $(PREFIX)/megatest $(PREFIX)/dashboard mtest mtutil mtut	\
            tcmt readline-fix.scm serialize-env dboard dboard.o		\
            megatest.o dashboard.o megatest-fossil-hash.* altdb.scm	\
            mofiles/*.o vg.o cookie.o dashboard-main.o	\
            tcmt readline-fix.scm serialize-env dboard *.o		\
            megatest-fossil-hash.* altdb.scm mofiles/*.o                \
            mofiles/*.o vg.o cookie.o dashboard-main.o	                \
            ducttape-lib.o ftail.o mutils.o pkts.o rmtmod.o stml2.o	\
            tcmt.o
	rm -rf share

#======================================================================
# Deploy section (not complete yet)
#======================================================================
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sd : datashare-testing/sd
	mkdir -p /tmp/$(USER)/datashare/disk1 /tmp/$(USER)/basepath

xterm : sd
	(export BASEPATH=/tmp/$(USER)/basepath ; export PATH="$(PWD)/datashare-testing:$(PATH)" ; xterm &)

datashare-testing/spublish : spublish.scm $(OFILES)
	csc $(CSCOPTS) spublish.scm  megatest-version.o margs.o process.o common.o  -o datashare-testing/spublish
datashare-testing/spublish : spublish.scm $(OFILES) megatest-version.scm
	csc $(CSCOPTS) spublish.scm margs.o process.o common.o  -o datashare-testing/spublish

datashare-testing/sretrieve : sretrieve.scm $(OFILES)
	csc $(CSCOPTS) sretrieve.scm  megatest-version.o margs.o process.o common.o  -o datashare-testing/sretrieve
datashare-testing/sretrieve : sretrieve.scm $(OFILES) megatest-version.scm
	csc $(CSCOPTS) sretrieve.scm margs.o process.o common.o  -o datashare-testing/sretrieve


datashare-testing/sauthorize : sauthorize.scm $(OFILES)
	 csc $(CSCOPTS) sauthorize.scm  megatest-version.o margs.o process.o common.o  -o datashare-testing/sauthorize
datashare-testing/sauthorize : sauthorize.scm $(OFILES) megatest-version.scm
	 csc $(CSCOPTS) sauthorize.scm margs.o process.o common.o  -o datashare-testing/sauthorize

sauth-init:
	mkdir -p  datashare-testing
	rm  datashare-testing/sauthorize
	rm  datashare-testing/sretrieve 
	rm  datashare-testing/spublish

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targets:
	@grep : Makefile | perl -ne '/^([A-Za-z0-9_-]+):/ && print "$$1\n"'


unit :
	cd tests;make unit

ALLSCMFILES=$(shell ls *scm|grep -v import)
ALLREINDENT=$(addprefix reindent/,$(ALLSCMFILES))

indentreport : reindentall
	@for x in $(ALLSCMFILES);do if ! diff -q $$x reindent/$$x > /dev/null;then echo "FAIL $$x";fi;done

reindentall : $(ALLREINDENT)
	echo "ENSURE YOU HAVE THE LINES FROM emacs.config IN YOUR ~/.emacs FILE!"

reindent/README :
	mkdir -p reindent
	echo "Indent modified files are put here." > reindent/README

reindent/%.scm : %.scm reindent/README
	cp $< reindent
	cd reindent;emacs -batch $< --eval '(load "$(PWD)/reindent.el")' -f save-buffer

# cd reindent;emacs -batch $< --eval '(indent-region (point-min) (point-max) nil)' -f save-buffer


#======================================================================
# Attic
#======================================================================

# portlogger-example : portlogger-example.scm api.o archive.o client.o common.o configf.o dashboard-tests.o dashboard-context-menu.o db.o dcommon.o ezsteps.o filedb.o genexample.o gutils.o http-transport.o items.o keys.o launch.o lock-queue.o margs.o megatest-version.o mt.o ods.o portlogger.o process.o rmt.o rpc-transport.o runconfig.o runs.o sdb.o server.o synchash.o tasks.o tdb.o tests.o tree.o
#	csc $(CSCOPTS) portlogger-example.scm api.o archive.o client.o common.o configf.o dashboard-tests.o dashboard-context-menu.o db.o dcommon.o ezsteps.o filedb.o genexample.o gutils.o http-transport.o items.o keys.o launch.o lock-queue.o margs.o megatest-version.o mt.o ods.o portlogger.o process.o rmt.o rpc-transport.o runconfig.o runs.o sdb.o server.o synchash.o tasks.o tdb.o tests.o tree.o

Modified TODO from [ff0b580779] to [da5eae4898].

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#     but WITHOUT ANY WARRANTY; without even the implied warranty of
#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#     GNU General Public License for more details.
# 
#     You should have received a copy of the GNU General Public License
#     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

NOTE: This file gets copied occasionally into the wiki as "Roadmap".
      Do not make changes in the wiki, they will be lost!

See the file "DONE" to see completed items.
FIXME
====

.dump
----------------
WARNING: disk disk0 at path "/mfs/tmp/archive" is not a directory - ignoring it.

Warning (#<thread: archive-bup-thread>): in thread: unbound variable: block-id

        Call history:

        common.scm:693: hash-table-ref/default    
        common.scm:694: current-seconds   
        common.scm:697: hash-table-set!   
        common.scm:2232: debug:print      
        common_records.scm:140: debug:debug-mode          
        common_records.scm:141: with-output-to-port       
        common.scm:2245: directory?       
        common.scm:2246: common:low-noise-print   
        common.scm:692: g2022     
        common.scm:692: g2022     
        common.scm:692: string-intersperse        
        common.scm:693: hash-table-ref/default    
        common.scm:694: current-seconds   
        common.scm:2261: debug:print      
        common_records.scm:140: debug:debug-mode          
        archive.scm:125: debug:print            <--
INFO: (0) Estimating disk space usage for scriptinc/: 184

Error: uncaught exception: #<condition: (exn runtime)>

        Call history:

        common.scm:1299: ##sys#get-keyword        
        common.scm:1299: call-with-current-continuation   
        common.scm:1299: with-exception-handler   
        common.scm:1299: ##sys#call-with-values   
        common.scm:1304: thunk    
        common.scm:1310: file-exists?     
        common.scm:1299: k2554    
        common.scm:1299: g2558    
        runs.scm:2438: common:get-disk-space-used         
        common.scm:2128: conc     
        common.scm:2128: with-input-from-pipe     
        runs.scm:2438: debug:print-info   
        common_records.scm:235: debug:debug-mode          
        common_records.scm:236: port?     
        common_records.scm:236: with-output-to-port       
        runs.scm:2443: thread-join!             <--
Press any key to continue
----------------

TODO
====

WW15
. fill newview matrix with data, filter pipeline gui elements
. improve [script], especially indent handling

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Migration to inmem db plus per run db
-------------------------------------

. Re-work the dbstruct data structure?
.. Move main.db to global?
.. [ run-id.db inmemdb last-mod last-read last-sync inuse ]
. Re-work all queries to use run-id to dereference server
. Open main.db directly in calls to -runtests etc. No need to talk remote?
. remove common:faux-lock

Modified adjutant.scm from [419fdc41ba] to [7560fecb1c].

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;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;======================================================================

(declare (unit adjutant))

(module adjutant
	*
(module adjutant *

	
(import scheme chicken data-structures extras files)
(import (prefix sqlite3 sqlite3:) posix typed-records srfi-18 srfi-69
	md5 message-digest
	regex srfi-1)

(define (adjutant-run)
  (print "Running the adjutant!"))

Modified api.scm from [8a3eb8aa72] to [2fafc2d0fe].

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    read-test-data*
    login
    tasks-get-last
    testmeta-get-record
    have-incompletes?
    ;; synchash-get
    get-changed-record-ids
		get-run-record-ids 
    get-run-record-ids 
    get-not-completed-cnt))

(define api:write-queries
  '(
    get-keys-write ;; dummy "write" query to force server start

    ;; SERVERS
    start-server
    kill-server

    ;; TESTS
    test-set-state-status-by-id
    delete-test-records
    delete-old-deleted-test-records
    test-set-state-status
    test-set-top-process-pid
    set-state-status-and-roll-up-items
     
    
    update-pass-fail-counts
    top-test-set-per-pf-counts ;; (db:top-test-set-per-pf-counts (db:get-db *db* 5) 5 "runfirst")

    ;; RUNS
    register-run
    set-tests-state-status
    delete-run
    lock/unlock-run
    update-run-event_time
    mark-incomplete
    set-state-status-and-roll-up-run
    ;; STEPS
    teststep-set-status!
    delete-steps-for-test
    ;; TEST DATA
    test-data-rollup
    csv->test-data

    ;; MISC
    sync-inmem->db
    drop-all-triggers
    create-all-triggers
    update-tesdata-on-repilcate-db 

    ;; TESTMETA
    testmeta-add-record
    testmeta-update-field

    ;; TASKS
    tasks-add
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                   ((register-run)                 (apply db:register-run dbstruct params))
                   ((set-tests-state-status)       (apply db:set-tests-state-status dbstruct params))
                   ((delete-run)                   (apply db:delete-run dbstruct params))
                   ((lock/unlock-run)              (apply db:lock/unlock-run dbstruct params))
                   ((update-run-event_time)        (apply db:update-run-event_time dbstruct params))
                   ((update-run-stats)             (apply db:update-run-stats dbstruct params))
                   ((set-var)                      (apply db:set-var dbstruct params))
                   ((inc-var)                      (apply db:inc-var dbstruct params))
		   ((dec-var)                      (apply db:dec-var dbstruct params))
                   ((del-var)                      (apply db:del-var dbstruct params))
		   ((add-var)                      (apply db:add-var dbstruct params))

                   ;; STEPS
                   ((teststep-set-status!)         (apply db:teststep-set-status! dbstruct params))
                   ((delete-steps-for-test!)        (apply db:delete-steps-for-test! dbstruct params))
                   
                   ;; TEST DATA
                   ((test-data-rollup)             (apply db:test-data-rollup dbstruct params))
                   ((csv->test-data)               (apply db:csv->test-data dbstruct params))

                   ;; MISC
                   ((sync-inmem->db)               (let ((run-id (car params)))
                                                     (db:sync-touched dbstruct run-id force-sync: #t)))
                   ((mark-incomplete)              (apply db:find-and-mark-incomplete dbstruct params))
                   ((create-all-triggers)          (db:create-all-triggers dbstruct))
                   ((drop-all-triggers)            (db:drop-all-triggers dbstruct)) 

                   ;; TESTMETA
                   ((testmeta-add-record)       (apply db:testmeta-add-record dbstruct params))
                   ((testmeta-update-field)     (apply db:testmeta-update-field dbstruct params))
                   ((get-tests-tags)            (db:get-tests-tags dbstruct))

                   ;; TASKS
                   ((tasks-add)                 (apply tasks:add dbstruct params))   
                   ((tasks-set-state-given-param-key) (apply tasks:set-state-given-param-key dbstruct params))
                   ((tasks-get-last)            (apply tasks:get-last dbstruct params))

		   ;; NO SYNC DB
		   ((no-sync-set)               (apply db:no-sync-set         *no-sync-db* params))
		   ((no-sync-get/default)       (apply db:no-sync-get/default *no-sync-db* params))
		   ((no-sync-del!)              (apply db:no-sync-del!        *no-sync-db* params))
		   ((no-sync-get-lock)          (apply db:no-sync-get-lock    *no-sync-db* params))
		 
		   
                   ;; ARCHIVES
                   ;; ((archive-get-allocations)   
                   ((archive-register-disk)     (apply db:archive-register-disk dbstruct params))
                   ((archive-register-block-name)(apply db:archive-register-block-name dbstruct params))
                   ;; ((archive-allocate-testsuite/area-to-block)(apply db:archive-allocate-testsuite/area-to-block dbstruct block-id testsuite-name areakey))

                   ;;======================================================================
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                   ;; RUNS
                   ((get-run-info)                 (apply db:get-run-info dbstruct params))
                   ((get-run-status)               (apply db:get-run-status dbstruct params))
                   ((get-run-state)                (apply db:get-run-state dbstruct params))
                   ((set-run-status)               (apply db:set-run-status dbstruct params))
                   ((set-run-state-status)  			 (apply db:set-run-state-status dbstruct params))
                   ((update-tesdata-on-repilcate-db) (apply db:update-tesdata-on-repilcate-db  dbstruct params)) 
                   ((get-tests-for-run)            (apply db:get-tests-for-run dbstruct params))
                   ((get-tests-for-run-state-status) (apply db:get-tests-for-run-state-status dbstruct params))
                   ((get-test-id)                  (apply db:get-test-id dbstruct params))
                   ((get-tests-for-run-mindata)    (apply db:get-tests-for-run-mindata dbstruct params))
                   ;; ((get-tests-for-runs-mindata)   (apply db:get-tests-for-runs-mindata dbstruct params))
                   ((get-runs)                     (apply db:get-runs dbstruct params))
                   ((simple-get-runs)              (apply db:simple-get-runs dbstruct params))

Added apimod.scm version [0c866deee4].






































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;;======================================================================
;; Copyright 2017, Matthew Welland.
;; 
;; This file is part of Megatest.
;; 
;;     Megatest is free software: you can redistribute it and/or modify
;;     it under the terms of the GNU General Public License as published by
;;     the Free Software Foundation, either version 3 of the License, or
;;     (at your option) any later version.
;; 
;;     Megatest is distributed in the hope that it will be useful,
;;     but WITHOUT ANY WARRANTY; without even the implied warranty of
;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;======================================================================

(declare (unit apimod))
(declare (uses commonmod))
(declare (uses ulex))

(module apimod
	*
	
(import scheme chicken data-structures extras)
(import (prefix sqlite3 sqlite3:) posix typed-records srfi-18)
(import commonmod)
(import (prefix ulex ulex:))


(define (api:execute-requests params)
  #f)

)

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;;
(define (archive:run-bup archive-command run-id run-name tests rp-mutex bup-mutex)
  ;; move the getting of archive space down into the below block so that a single run can 
  ;; allocate as needed should a disk fill up
  ;;
  (let* ((blockid-cache  (make-hash-table))
	 (tsname         (common:get-testsuite-name))
         (target         (string-intersperse (map cadr (rmt:get-key-val-pairs run-id)) "/"))
	 (min-space      (string->number (or (configf:lookup *configdat* "archive" "minspace") "1000")))
	 (arch-groups    (make-hash-table)) ;; archive groups, each corrosponds to a bup area
	 (disk-groups    (make-hash-table)) ;; 
	 (test-groups    (make-hash-table)) ;; these two (disk and test groups) could be combined nicely
	 (test-dirs      (make-hash-table))
	 (bup-exe        (or (configf:lookup *configdat* "archive" "bup") "bup"))
	 (compress       (or (configf:lookup *configdat* "archive" "compress") "9"))
	 (linktree       (common:get-linktree)) ;; (configf:lookup *configdat* "setup" "linktree")))
	 (archiver       (let ((s (configf:lookup *configdat* "archive" "archiver")))
			   (if s (string->symbol s) 'bup)))
	 (archiver-cmd   (case archiver
			   ((tar) "tar cfj ARCHIVE_NAME.tar.bz2 ")
			   ((7z)  " 7z u -t7z -m0=lzma -mx=9 -mfb=64 -md=32m -ms=on ARCHIVE_NAME.7z ")
			   (else #f)))
         (src-archive-linktree (rmt:get-var "src-archive-linktree"))  
	 (print-prefix      "Running: ") ;; change to #f to turn off printing
	 (preclean-spec  (configf:get-section *configdat* "archive-preclean")))

     (if (or (not src-archive-linktree) (not (equal? src-archive-linktree linktree)))      
         (rmt:set-var "src-archive-linktree"  linktree))
    ;;     (tests:match patt testname itempath)
    
    ;; from the test info bin the path to the test by stem
    ;;
    (for-each
     (lambda (test-dat)
       (let* ((item-path         (db:test-get-item-path test-dat))
	      (test-name         (db:test-get-testname  test-dat))
	      (test-id           (db:test-get-id        test-dat))
	      (run-id            (db:test-get-run_id    test-dat))
	      (target            (string-intersperse (map cadr (rmt:get-key-val-pairs run-id)) "/"))
	      
	      	      
	      (toplevel/children (and (db:test-get-is-toplevel test-dat)
				      (> (rmt:test-toplevel-num-items run-id test-name) 0)))
	      (test-partial-path (conc target "/" run-name "/" (db:test-make-full-name test-name item-path)))
	      ;; note the trailing slash to get the dir inspite of it being a link
	      (test-path         (conc linktree "/" test-partial-path))
	      (mutex-lock! rp-mutex)
	      (test-physical-path (if (common:file-exists? test-path) 
				      (common:real-path test-path)
				      #f))
	      (mutex-unlock! rp-mutex)
	      (partial-path-index (if test-physical-path (substring-index test-partial-path test-physical-path) #f))
	      (test-base         (if (and partial-path-index 
					  test-physical-path )
				     (substring test-physical-path
						0
						partial-path-index)
				     #f))
	      ;; we need our archive dir checked for every test to enable folks who want to store other ways.
	      (archive-info (archive:allocate-new-archive-block blockid-cache *toppath* tsname min-space target run-name test-name))
	      (archive-dir  (if archive-info (cdr archive-info) #f))
	      (archive-id   (if archive-info (car archive-info) -1))
	      (archive-id   (if archive-info (car archive-info) -1)))

	      )
	 
	 (if (not archive-dir) ;; no archive disk found, this is fatal
	     (begin
	       (debug:print 0 *default-log-port* "FATAL: No archive disks found. Please add disks with at least "
			    min-space " MB space to the [archive-disks] section of megatest.config")
	       (debug:print 0 *default-log-port* "       use [archive] minspace to specify minimum available space")
	       (debug:print 0 *default-log-port* "   disks: "
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	       (hash-table-ref test-groups test-base))))
	   ;; (mutex-unlock! bup-mutex)
	   (for-each
	    (lambda (test-dat)
	      (let ((test-id           (db:test-get-id        test-dat))
		    (run-id            (db:test-get-run_id    test-dat)))
		(rmt:test-set-archive-block-id run-id test-id archive-id)
		(if (member archive-command '("save-remove"))
		    (runs:remove-test-directory test-dat 'archive-remove))))
		(if (member (symbol->string archive-command) '("save-remove"))
                    (begin 
                     (debug:print-info 0 *default-log-port* "remove testdat")
		    (runs:remove-test-directory test-dat 'archive-remove)))))
	    (hash-table-ref test-groups test-base)))))
       (hash-table-keys disk-groups))
    #t))

(define (archive:megatest-db target-patt run-patt)
 (let* ((blockid-cache  (make-hash-table))
        (tsname         (common:get-testsuite-name))
        (min-space      (string->number (or (configf:lookup *configdat* "archive" "minspace") "1000")))
        (bup-exe        (or (configf:lookup *configdat* "archive" "bup") "bup"))
	(compress       (or (configf:lookup *configdat* "archive" "compress") "9"))
        (archiver       (let ((s (configf:lookup *configdat* "archive" "archiver")))
			   (if s (string->symbol s) 'bup)))
        (rsync-exe (or (configf:lookup *configdat* "archive" "rsync") "rsync"))   
        (print-prefix      "Running: ") 
        (archive-info (archive:allocate-new-archive-block blockid-cache *toppath* tsname min-space target-patt run-patt "megatest-db"))
	(archive-dir  (if archive-info (cdr archive-info) #f))
	(archive-id   (if archive-info (car archive-info) -1))
        (home-host (common:get-homehost))
        (archive-time (seconds->std-time-str (current-seconds)))
        (archive-staging-db (conc *toppath* "/logs/archive_" archive-time))
        (tmp-db-path (conc (common:get-db-tmp-area) "/megatest.db"))
        (dbfile             (conc  archive-staging-db "/megatest.db"))) 
        (create-directory archive-staging-db #t)
        (let-values (((pid-val exit-status exit-code) (run-n-wait rsync-exe params: (list "-v" (conc (car home-host) ":"tmp-db-path) archive-staging-db) print-cmd: print-prefix)))
            (if (eq? exit-code 0)   
              (case archiver
	        ((bup) ;; Archive using bup
	          (let* ((bup-init-params  (list "-d" archive-dir "init"))
		         (bup-index-params (list "-d" archive-dir "index" archive-staging-db))
		         (bup-save-params  (list "-d" archive-dir "save" ;; (conc "--strip-path=" linktree)
						     (conc "-" compress) ;; or (conc "--compress=" compress)
						     "-n" (conc tsname "-megatest-db" )
						     (conc "--strip-path=" archive-staging-db ) ;; if we push to the directory do we need this?
						     dbfile)))
                    (if (not (common:file-exists? (conc archive-dir "/HEAD")))
		      (begin
		        ;; replace this with jobrunner stuff enventually
		        (debug:print-info 0 *default-log-port* "Init bup in " archive-dir)
		        (run-n-wait bup-exe params: bup-init-params print-cmd: print-prefix)))
		     (debug:print-info 0 *default-log-port* "Indexing data to be archived")
		     (run-n-wait bup-exe params: bup-index-params print-cmd: print-prefix)
		     (debug:print-info 0 *default-log-port* "Archiving data with bup")
		     (run-n-wait bup-exe params: bup-save-params print-cmd: print-prefix)))
               (else
                   (debug:print-info 0 *default-log-port* "No support for databse archiving with " archiver)))
               (debug:print-error 0 *default-log-port* "There was an error rsyncing tmp database")))))

(define (archive:restore-db archive-path ts)
   (let* ((bup-exe               (or (configf:lookup *configdat* "archive" "bup") "bup"))
         (archive-internal-path (conc (common:get-testsuite-name) "-megatest-db/" ts "/megatest.db" ))
         (bup-restore-params  (list "-d" archive-path "restore" "-C" *toppath* archive-internal-path)))
		 (debug:print-info 0 *default-log-port* "Restoring archived data to " *toppath* " from archive in " archive-path " ... " archive-internal-path)
		 (run-n-wait bup-exe params: bup-restore-params print-cmd: #f))
      (db:multi-db-sync 
       (db:setup #f)
       'killservers
       ;'dejunk
       ;'adj-testids
       'old2new
       )
      (debug:print-info 1 *default-log-port* "dropping trigerrs to update linktree")   
      (rmt:drop-all-triggers)
  
    (let* ((linktree       (common:get-linktree)) ;; (configf:lookup *configdat* "setup" "linktree")))
	  (src-archive-linktree (rmt:get-var "src-archive-linktree")))
        (if (not (equal? src-archive-linktree linktree))
           (rmt:update-tesdata-on-repilcate-db src-archive-linktree linktree))
              (debug:print-info 1 *default-log-port* "creating triggers after updating linktree")   
       (rmt:create-all-triggers)
))  

(define (archive:ls->list  bup-exe archive-dir internal-path)
  (let ((cmd (conc bup-exe " -d " archive-dir  " ls -l " internal-path "| awk '{print $6}' | sort"))
        (res '()))
    (handle-exceptions
     exn
     #f ;; anything goes wrong - assume the process in NOT running.
     (with-input-from-pipe 
      cmd
      (lambda ()
	(let* ((inl (read-lines)))
	  (reverse inl)))))))

(define (time-string->seconds tstr ds-flag)
 (let* ((atime (string->time tstr "%Y-%m-%d-%H%M%S")))
       (vector-set! atime 8 ds-flag)
     (local-time->seconds atime)))

(define (seconds->std-time-str sec)
  (time->string 
   (seconds->local-time sec)
   "%Y-%m-%d-%H%M%S"))
 

(define (archive:get-timestamp-dir bup-exe archive-dir testsuite-name run-id test-partial-path test-last-update)
    (print (seconds->std-time-str test-last-update)) 
    (let* ((internal-path (conc testsuite-name "-" run-id))
           (ts-list (archive:ls->list  bup-exe archive-dir internal-path))
           (ds-flag (vector-ref (seconds->local-time) 8)))
           (let loop ((hed (car ts-list))
                       (tail (cdr ts-list)))
                   (if (and (null? tail) (equal? hed "latest"))
                        #f
                    (if (and (not (null? tail)) (equal? hed "latest"))
                        (loop (car tail) (cdr tail))
                  (let* ((archive-seconds (time-string->seconds hed ds-flag)))
                    (if (< (abs (- archive-seconds test-last-update)) 120)
                    (let* ((test-list (archive:ls->list  bup-exe archive-dir (conc internal-path "/" hed "/" test-partial-path))))
                           (if (> (length test-list) 0)
                               hed
                               (if (not (null? tail)) 
                                 (loop (car tail) (cdr tail))
                                 #f)))
                       (if (null? tail)
                          #f
                          (loop (car tail) (cdr tail))))))))))

(define (archive:bup-restore archive-command run-id run-name tests rp-mutex bup-mutex)  ;; move the getting of archive space down into the below block so that a single run can 
  ;; allocate as needed should a disk fill up
  ;;
  (let* ((bup-exe      (or (configf:lookup *configdat* "archive" "bup") "bup"))
	 (linktree     (common:get-linktree))) ;; (configf:lookup *configdat* "setup" "linktree")))

    ;; from the test info bin the path to the test by stem
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	      (prev-test-physical-path (if (common:file-exists? test-path)
					   ;; (read-symbolic-link test-path #t)
					   (common:real-path test-path)
					   #f))
	      (mutex-unlock! rp-mutex)
	      (new-test-physical-path  (conc best-disk "/" test-partial-path))
	      (archive-block-id        (db:test-get-archived test-dat))
              (test-last-update        (db:test-get-last_update test-dat))
	      (archive-block-info      (rmt:test-get-archive-block-info archive-block-id))
	      (archive-path            (if (vector? archive-block-info)
					   (vector-ref archive-block-info 2) ;; look in db.scm for test-get-archive-block-info for the vector record info
					   #f)) ;; no archive found?
              (archive-timestamp-dir   (if archive-path (archive:get-timestamp-dir bup-exe archive-path (common:get-testsuite-name) run-id test-partial-path test-last-update) #f))  
	      (archive-internal-path   (conc (common:get-testsuite-name) "-" run-id "/latest/" test-partial-path))
	      (archive-internal-path   (conc (common:get-testsuite-name) "-" run-id "/" archive-timestamp-dir "/" test-partial-path))
	      (include-paths           (args:get-arg "-include"))
	      (exclude-pattern         (args:get-arg "-exclude-rx"))
	      (exclude-file            (args:get-arg "-exclude-rx-from")))
	 
	 (if (not archive-timestamp-dir)
               (debug:print-error 0 *default-log-port* "Archive not found for testsuite" (common:get-testsuite-name) " run/test/itempath" test-partial-path)
         (begin    
	 ;; some sanity checks, move an existing path out of the way - iif it is not a toplevel with children
	 ;;
	 (if (and (not toplevel/children)  ;; special handling needed for toplevel with children
		  prev-test-physical-path
		  (common:file-exists? prev-test-physical-path)) ;; what to do? abort or clean up or link it in?
	     (let* ((base (pathname-directory prev-test-physical-path))
		    (dirn (pathname-file      prev-test-physical-path))
		    (newn (conc base "/." dirn)))
	       (debug:print-error 0 *default-log-port* "the old directory " prev-test-physical-path ", still exists! Moving it to " newn)
	       (rename-file prev-test-physical-path newn)))

	 (if (and archive-path ;; no point in proceeding if there is no actual archive
		  (not toplevel/children))
	     (begin
	       ;; CREATE WORK AREA
	       ;; test-src-path == #f     ==> don't copy in data from tests directory
	       ;; itemdat       == string ==> use directly
	       (create-work-area run-id run-name keyvals test-id #f best-disk test-name item-path) ;; #!key (remtries 2))

	       ;; 1. Get the block id from the test info
	       ;; 2. Get the block data given the block id
	       ;; 3. Construct the paths etc. for the following command:
	       ;; 
	       ;; bup -d /tmp/matt/adisk1/2015_q1/fullrun_e1a40/ restore -C /tmp/seeme fullrun-30/latest/ubuntu/nfs/none/w02.1.20.54_b/

	       ;; DO BUP RESTORE
	       (let* ((new-test-dat        (rmt:get-test-info-by-id run-id test-id))
		      (new-test-path       (if (vector? new-test-dat )
					       (db:test-get-rundir new-test-dat)
					       (begin
						 (debug:print-error 0 *default-log-port* "unable to get data for run-id=" run-id ", test-id=" test-id)
						 (exit 1))))
		      ;; new-test-path won't work - must use best-disk instead? Nope, new-test-path but tack on /..
		      (bup-restore-params  (list "-d" archive-path "restore" "-C" (conc new-test-path "/..") archive-internal-path)))
		 (debug:print-info 0 *default-log-port* "Restoring archived data to " new-test-physical-path " from archive in " archive-path " ... " archive-internal-path)
                 (debug:print-info 0 *default-log-port* bup-exe " " (string-join  bup-restore-params " "))
		 ;; (mutex-lock! bup-mutex)
		 (run-n-wait bup-exe params: bup-restore-params print-cmd: #f)
		 ;; (mutex-unlock! bup-mutex)
		 (mt:test-set-state-status-by-id run-id test-id "COMPLETED" #f #f)))
	     (debug:print-error 0 *default-log-port* "No archive path in the record for run-id=" run-id " test-id=" test-id))))
	     (debug:print-error 0 *default-log-port* "No archive path in the record for run-id=" run-id " test-id=" test-id))))))
     (filter vector? tests))))

(define (common:get-youngest-test tests)
  (if (null? tests)
      #f
      (let ((res #f))
	(for-each

Modified common.scm from [6dfe1234b3] to [cd4f79ceff].

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	(begin
	  (debug:print-info 2 *default-log-port* "unable to rotate log " file ", probably handled by another process, this is safe to ignore.")
	  (debug:print 2 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
	  ;; (print-call-chain (current-error-port)) ;; 
	  )
	(let* ((fullname  (conc "logs/" file))
	       (mod-time  (file-modification-time fullname))
	       (file-age  (- (current-seconds) mod-time)))
	       (file-age  (- (current-seconds) mod-time))
	       (file-old  (> file-age (* 48 60 60)))
	       (file-big  (> (file-size fullname) 200000)))
	  (hash-table-set! all-files file mod-time)
	  (if (or (and (string-match "^.*.log" file)
		       (> (file-size fullname) 200000))
		       file-old
		       file-big)
		  (and (string-match "^server-.*.log" file)
		       (> (- (current-seconds) (file-modification-time fullname))
			  (* 8 60 60))))
		       file-old))
	      (let ((gzfile (conc fullname ".gz")))
		(if (common:file-exists? gzfile)
		    (begin
		      (debug:print-info 0 *default-log-port* "removing " gzfile)
		      (delete-file* gzfile)
		      (hash-table-delete!  all-files gzfile) ;; needed?
		      ))
		(debug:print-info 0 *default-log-port* "compressing " file)
		(system (conc "gzip " fullname))
		(inc-stat "gzipped")
		(hash-table-set! all-files (conc file ".gz") file-age)  ;; add the .gz file and remove the base file
		(hash-table-delete! all-files file)
		)
	      (if (> file-age (* (string->number (or (configf:lookup *configdat* "setup" "log-expire-days") "30")) 24 3600))
	      (if (and (> file-age (* (string->number (or (configf:lookup *configdat* "setup" "log-expire-days") "30")) 24 3600))
		       (file-exists? fullname)) ;; just in case it was gzipped - will get it next time
		  (handle-exceptions
		   exn
		   #f
		   (if (directory? fullname)
		       (begin
			 (debug:print-error 0 *default-log-port* fullname " in logs directory is a directory! Cannot rotate it, it is best to not put subdirectories in the logs dir.")
			 (inc-stat "directories"))
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    (if val val default)))

(define (assoc/default key lst . default)
  (let ((res (assoc key lst)))
    (if res (cadr res)(if (null? default) #f (car default)))))

(define (common:get-testsuite-name)
  (or (configf:lookup *configdat* "setup" "area-name") ;; megatest is a flexible tool, testsuite is too limiting a description.
      (configf:lookup *configdat* "setup" "testsuite" )
      (getenv "MT_TESTSUITE_NAME")
  (cmod:get-testsuite-name *toppath* *configdat*))
      (if (string? *toppath* )
          (pathname-file *toppath*)
          #f))) ;; (pathname-file (current-directory)))))

;; safe getting of toppath
(define (common:get-toppath areapath)
  (or *toppath*
      (if areapath
	  (begin
	    (set! *toppath* areapath)
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		    (if (> curr-rownum rownum) curr-rownum rownum)
		    (if (> curr-colnum colnum) curr-colnum colnum)
		    ))))))

;; if it looks like a number -> convert it to a number, else return it
;;
(define (common:lazy-convert inval)
  (let* ((as-num (if (string? inval)(string->number inval) #f)))
  (cmod:lazy-convert inval))
    (or as-num inval)))

;; convert string a=1; b=2; c=a silly thing; d=
;; to '((a . 1)(b . 2)(c . "a silly thing")(d . ""))
;;
(define (common:val->alist val #!key (convert #f))
  (let ((val-list (string-split-fields ";\\s*" val #:infix)))
    (if val-list
	(map (lambda (x)
	       (let ((f (string-split-fields "\\s*=\\s*" x #:infix)))
		 (case (length f)
		   ((0) `(,#f))  ;; null string case
		   ((1) `(,(string->symbol (car f))))
		   ((2) `(,(string->symbol (car f)) . ,(let ((inval (cadr f)))
  (cmod:val->alist val #!key (convert #f)))
							 (if convert (common:lazy-convert inval) inval))))
		   (else f))))
	     val-list)
	'())))

;;======================================================================
;; S Y S T E M   S T U F F
;;======================================================================

;; lazy-safe get file mod time. on any error (file not existing etc.) return 0
;;

Modified commonmod.scm from [3a4a140a66] to [9423abd515].

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;; CONTENTS
;;
;;  config file utils
;;  misc conversion, data manipulation functions
;;  testsuite and area utilites
;;
;;======================================================================

(include "megatest-version.scm")
(include "megatest-fossil-hash.scm")

(define (get-full-version)
  (conc megatest-version "-" megatest-fossil-hash))

(define (version-signature)
  (conc megatest-version "-" (substring megatest-fossil-hash 0 4)))


;;======================================================================
;; config file utils
;;======================================================================

(define (lookup cfgdat section var)
  (if (hash-table? cfgdat)

Modified configf.scm from [4e4d952787] to [f6229df901].

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;;======================================================================
;; Copyright 2006-2012, Matthew Welland.
;; 
;; This file is part of Megatest.
;; 
;;     Megatest is free software: you can redistribute it and/or modify
;;     it under the terms of the GNU General Public License as published by
;;     the Free Software Foundation, either version 3 of the License, or
;;     (at your option) any later version.
;; 
;;     Megatest is distributed in the hope that it will be useful,
;;     but WITHOUT ANY WARRANTY; without even the implied warranty of
;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;     GNnU General Public License for more details.
;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;======================================================================

;;======================================================================
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		       ;;	   (not (eq? allow-processing 'return-string)))
		       ((#t #f)
			(configf:process-line inl ht allow-processing))
		       ((return-string)
			inl)
		       (else
			(configf:process-line inl ht allow-processing)))))
	    (if (and (string? res)
		     (not (equal? (hash-table-ref/default settings "trim-trailing-spaces" "no") "yes")))
	    (if (and (string? res)  ;; must set to "no" to force NOT trimming trailing spaces
		     (not (equal? (hash-table-ref/default settings "trim-trailing-spaces" "yes") "no")))
		(string-substitute "\\s+$" "" res)
		res))))))

(define (configf:cfgdat->env-alist section cfgdat-ht allow-system)
  (filter
   (lambda (pair)
     (let* ((var (car pair))
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			 (if (not (null? field-names))(keys:target-set-args field-names target #f))))))
    (if toppath (change-directory toppath)) 
    (if (and toppath pathenvvar)(setenv pathenvvar toppath))
    (let ((configdat  (if configfile 
			  (read-config configfile #f #t environ-patt: environ-patt post-section-procs: (list (cons "^fields$" set-fields)) #f))))
      (if toppath (change-directory curr-dir))
      (list configdat toppath configfile fname))))

(define (configf:lookup cfgdat section var)
  (if (hash-table? cfgdat)
      (let ((sectdat (hash-table-ref/default cfgdat section '())))
	(if (null? sectdat)
	    #f
	    (let ((match (assoc var sectdat)))
	      (if match ;; (and match (list? match)(> (length match) 1))
		  (cadr match)
		  #f))
	    ))
      #f))

;; use to have definitive setting:
;;  [foo]
;;  var yes
;;
;;  (configf:var-is? cfgdat "foo" "var" "yes") => #t
;;

Modified dashboard.scm from [683033e99e] to [0d4ccbb40e].

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(declare (uses dashboard-guimonitor))
(declare (uses tree))
(declare (uses dcommon))
(declare (uses dashboard-context-menu))
(declare (uses vg))
(declare (uses subrun))
;; (declare (uses dashboard-main))
(declare (uses megatest-version))
(declare (uses mt))

(declare (uses dbmod))
(import (prefix dbmod dbmod:))
(declare (uses commonmod))
(import (prefix commonmod cmod:))

(include "common_records.scm")
(include "db_records.scm")
(include "run_records.scm")
(include "task_records.scm")
(include "megatest-version.scm")
(include "megatest-fossil-hash.scm")
(include "vg_records.scm")

(define help (conc 
	      "Megatest Dashboard, documentation at http://www.kiatoa.com/fossils/megatest
  version " megatest-version "
  license GPL, Copyright (C) Matt Welland 2012-2017
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	(dboard:commondat-uidat-set! commondat (make-dashboard-buttons commondat))
	(dboard:commondat-curr-tab-num-set! commondat 0)
	(dboard:commondat-add-updater 
	 commondat 
	 (lambda ()
	   (dashboard:runs-tab-updater commondat 1))
	 tab-num: 1)
        ;; may not want this alive (manually merged it from v1.66)
	(dboard:commondat-add-updater 
	 commondat 
	 (lambda ()
	   (dashboard:runs-tab-updater commondat 1))
	 tab-num: 2)
	(iup:callback-set! *tim*
			   "ACTION_CB"

Modified db.scm from [1abf27c71c] to [f30ded65d6].

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  (tmpdb       #f)
  (dbstack     #f) ;; stack for tmp db handles, do not initialize with a stack
  (mtdb        #f)
  (refndb      #f)
  (homehost    #f) ;; not used yet
  (on-homehost #f) ;; not used yet
  (read-only   #f)
  (stmt-cache  (make-hash-table))
  )                ;; goal is to converge on one struct for an area but for now it is too confusing
  

;; record for keeping state,status and count for doing roll-ups in
;; iterated tests
;;
(defstruct dbr:counts
  (state #f)
  (status #f)
  (count  0)) 

;;======================================================================
;; alist-of-alists
;;======================================================================
;; 
;; (define (db:aa-set! dat key1 key2 val)
;;   (let loop ((

;;======================================================================
;; hash of hashs
;;======================================================================


(define (db:hoh-set! dat key1 key2 val)
  (let* ((subhash (hash-table-ref/default dat key1 #f)))
    (if subhash
	(hash-table-set! subhash key2 val)
	(begin
	  (hash-table-set! dat key1 (make-hash-table))
	  (db:hoh-set! dat key1 key2 val)))))

(define (db:hoh-get dat key1 key2)
  (let* ((subhash (hash-table-ref/default dat key1 #f)))
    (and subhash
	 (hash-table-ref/default subhash key2 #f))))

(define (db:get-cache-stmth dbstruct db stmt)
  (let* ((stmt-cache        (dbr:dbstruct-stmt-cache dbstruct))
	 (stmth             (db:hoh-get stmt-cache db stmt)))
    (or stmth
	(let* ((newstmth (sqlite3:prepare db stmt)))
	  (db:hoh-set! stmt-cache db stmt newstmth)
	  newstmth))))

;;======================================================================
;; SQLITE3 HELPERS
;;======================================================================

(define (db:general-sqlite-error-dump exn stmt . params)
  (let ((err-status ((condition-property-accessor 'sqlite3 'status #f) exn))) ;; RADT ... how does this work?
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      (db:sync-tables (db:sync-all-tables-list dbstruct) update_info tmpdb refndb mtdb))
    (mutex-lock! *db-multi-sync-mutex*)
    (set! *db-last-sync* start-t)
    (set! *db-last-access* start-t)
    (mutex-unlock! *db-multi-sync-mutex*)
    (stack-push! (dbr:dbstruct-dbstack dbstruct) tmpdb)))

(define (db:safely-close-sqlite3-db db #!key (try-num 3))
(define (db:safely-close-sqlite3-db db stmt-cache #!key (try-num 3))
  (if (<= try-num 0)
      #f
      (handle-exceptions
	  exn
	  (begin
	    (thread-sleep! 3)
	    (sqlite3:interrupt! db)
	    (db:safely-close-sqlite3-db db try-num: (- try-num 1)))
	(if (sqlite3:database? db)
	    (begin
	    (let* ((stmts (hash-table-ref/default stmt-cache db #f)))
	      (if stmts (map sqlite3:finalize! (hash-table-values stmts)))
	      (sqlite3:finalize! db)
	      #t)
	    #f))))

;; close all opened run-id dbs
(define (db:close-all dbstruct)
  (if (dbr:dbstruct? dbstruct)
      (handle-exceptions
	  exn
	  (begin
	    (debug:print 0 *default-log-port* "WARNING: Finalizing failed, "  ((condition-property-accessor 'exn 'message) exn))
	    (print-call-chain *default-log-port*))
	;; (db:sync-touched dbstruct 0 force-sync: #t) ;; NO. Do not do this here. Instead we rely on a server to be started when there are writes, even if the server itself is not going to be used as a server.
        (let ((tdbs (map db:dbdat-get-db 
                         (stack->list (dbr:dbstruct-dbstack dbstruct))))
              (mdb (db:dbdat-get-db (dbr:dbstruct-mtdb   dbstruct)))
              (rdb (db:dbdat-get-db (dbr:dbstruct-refndb dbstruct))))
        (let ((tdbs       (map db:dbdat-get-db 
			       (stack->list (dbr:dbstruct-dbstack dbstruct))))
              (mdb        (db:dbdat-get-db (dbr:dbstruct-mtdb   dbstruct)))
              (rdb        (db:dbdat-get-db (dbr:dbstruct-refndb dbstruct)))
	      (stmt-cache (dbr:dbstruct-stmt-cache dbstruct)))
          (map (lambda (db)
		 (db:safely-close-sqlite3-db db))
		 (db:safely-close-sqlite3-db stmt-cache db))
;; 		 (if (sqlite3:database? db)
;; 		     (sqlite3:finalize! db)))
	       tdbs)
          (db:safely-close-sqlite3-db mdb)     ;; (if (sqlite3:database? mdb) (sqlite3:finalize! mdb))
          (db:safely-close-sqlite3-db rdb))))) ;; (if (sqlite3:database? rdb) (sqlite3:finalize! rdb))))))
          (db:safely-close-sqlite3-db stmt-cache mdb)     ;; (if (sqlite3:database? mdb) (sqlite3:finalize! mdb))
          (db:safely-close-sqlite3-db stmt-cache rdb))))) ;; (if (sqlite3:database? rdb) (sqlite3:finalize! rdb))))))

;;   (let ((locdbs (dbr:dbstruct-locdbs dbstruct)))
;;     (if (hash-table? locdbs)
;; 	(for-each (lambda (run-id)
;; 		    (db:close-run-db dbstruct run-id))
;; 		  (hash-table-keys locdbs)))))

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	   '("fieldtype" #f))
     (list "metadat" '("var" #f) '("val" #f))
     (append (list "runs" 
		   '("id"  #f))
	     (map (lambda (k)(list k #f))
		  (append keys
			  (list "runname" "state" "status" "owner" "event_time" "comment" "fail_count" "pass_count" "contour" "last_update"))))
     (list "archive_disks"
           '("id" #f)
           '("archive_area_name" #f) 
           '("disk_path" #f)
           '("last_df" #f)
           '("last_df_time" #f)
           '("creation_time" #f)) 

     (list "archive_blocks"
           '("id" #f)
           '("archive_disk_id" #f) 
           '("disk_path" #f)
           '("last_du" #f)
           '("last_du_time" #f)
           '("creation_time" #f)) 

     (list "test_meta"
	   '("id"             #f)
	   '("testname"       #f)
	   '("owner"          #f)
	   '("description"    #f)
	   '("reviewed"       #f)
	   '("iterated"       #f)
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		 (use-last-update  (cond
				    ((and has-last-update
					  (member "last_update" fields))
				     #t) ;; if given a number, just use it for all fields
				    ((number? last-update) #f) ;; if not matched first entry then ignore last-update for this table
				    ((and (pair? last-update)
					  (member (car last-update)    ;; last-update field name
						  (map car fields))) #t)
						  (map car fields)))
                                        #t)
				    (last-update
				     (debug:print 0 *default-log-port* "ERROR: parameter last-update for db:sync-tables must be a pair or a number, received: " last-update) ;; found in fields
				     (debug:print 0 *default-log-port* "ERROR: parameter last-update for db:sync-tables must be a pair or a number, received: " last-update);; found in fields
				     #f)
				    (else
				     #f)))
		 (last-update-value (if use-last-update ;; no need to check for has-last-update - it is already accounted for
					(if (number? last-update)
					    last-update
					    (cdr last-update))
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				   " VALUES ( " (string-intersperse (make-list num-fields "?") ",") " );"))
		 (fromdat    '())
		 (fromdats   '())
		 (totrecords 0)
		 (batch-len  (string->number (or (configf:lookup *configdat* "sync" "batchsize") "100")))
		 (todat      (make-hash-table))
		 (count      0)

                 (field-names (map car fields))
                 (delay-handicap  (string->number (or (configf:lookup *configdat* "sync" "delay-handicap") "0")))
                 )

	    ;; set up the field->num table
	    (for-each
	     (lambda (field)
	       (hash-table-set! field->num field count)
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              (debug:print-info 0 *default-log-port* "synthetic sync delay of "delay-handicap" seconds completed")
              )
            
	    ;; first pass implementation, just insert all changed rows
	    (for-each 
	     (lambda (targdb)
	       (let* ((db     (db:dbdat-get-db targdb))
                      (drp-trigger (if (member "last_update" field-names)
                                      (db:drop-trigger db tablename) 
                                       #f))
                       (is-trigger-dropped (if (member "last_update" field-names)
                                              (db:is-trigger-dropped db tablename) #f)) 
		      (stmth  (sqlite3:prepare db full-ins)))
		 (db:delay-if-busy targdb) ;; NO WAITING
                (if (member "last_update" field-names)
                  (debug:print-info 3 *default-log-port* "is-trigger-dropped: " is-trigger-dropped)) 
		 (for-each
		  (lambda (fromdat-lst)
		    (sqlite3:with-transaction
		     db
		     (lambda ()
		       (for-each ;; 
			(lambda (fromrow)
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			      (if (and same
				       (< i (- num-fields 1)))
				  (loop (+ i 1))))
			    (if (not same)
				(begin
				  (apply sqlite3:execute stmth (vector->list fromrow))
				  (hash-table-set! numrecs tablename (+ 1 (hash-table-ref/default numrecs tablename 0)))))))
			fromdat-lst))
			fromdat-lst))))
		  ))
		  fromdats)
		 (sqlite3:finalize! stmth)))
		 (sqlite3:finalize! stmth)
                 (if (member "last_update" field-names)
                    (db:create-trigger db tablename))))
	     (append (list todb) slave-dbs))))
	tbls)
       (let* ((runtime      (- (current-milliseconds) start-time))
	      (should-print (or (debug:debug-mode 12)
				(common:low-noise-print 120 "db sync" (> runtime 500))))) ;; low and high sync times treated as separate.
	 (if should-print (debug:print 3 *default-log-port* "INFO: db sync, total run time " runtime " ms"))
	 (for-each 
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   (apply open-run-close-no-exception-handling proc idb params)))

;; (define open-run-close 
#;(define open-run-close open-run-close-exception-handling)
		;;	   open-run-close-no-exception-handling
;;			   open-run-close-exception-handling)
;;)

(define db:trigger-list 
     (list (list "update_runs_trigger"  "CREATE TRIGGER IF NOT EXISTS update_runs_trigger AFTER UPDATE ON runs
                             FOR EACH ROW
                               BEGIN 
                                 UPDATE runs SET last_update=(strftime('%s','now'))
                                   WHERE id=old.id;
                               END;" ) 
       (list "update_run_stats_trigger"  "CREATE TRIGGER  IF NOT EXISTS update_run_stats_trigger AFTER UPDATE ON run_stats
                             FOR EACH ROW
                               BEGIN 
                                 UPDATE run_stats SET last_update=(strftime('%s','now'))
                                   WHERE id=old.id;
                               END;" )
       (list "update_tests_trigger"  "CREATE TRIGGER  IF NOT EXISTS update_tests_trigger AFTER UPDATE ON tests
                             FOR EACH ROW
                               BEGIN 
                                 UPDATE tests SET last_update=(strftime('%s','now'))
                                   WHERE id=old.id;
                               END;" )
       (list "update_teststeps_trigger"  "CREATE TRIGGER  IF NOT EXISTS update_teststeps_trigger AFTER UPDATE ON test_steps
                             FOR EACH ROW
                               BEGIN 
                                 UPDATE test_steps SET last_update=(strftime('%s','now'))
                                   WHERE id=old.id;
                               END;" )
       (list "update_test_data_trigger"  "CREATE TRIGGER  IF NOT EXISTS update_test_data_trigger AFTER UPDATE ON test_data
                             FOR EACH ROW
                               BEGIN 
                                 UPDATE test_data SET last_update=(strftime('%s','now'))
                                   WHERE id=old.id;
                               END;" )))

(define (db:create-all-triggers dbstruct)
(db:with-db
   dbstruct #f #f
   (lambda (db)
(db:create-triggers db))))

(define (db:create-triggers db)
    (for-each (lambda (key)
              (sqlite3:execute db (cadr key)))
          db:trigger-list))

(define (db:drop-all-triggers dbstruct)
(db:with-db
   dbstruct #f #f
   (lambda (db)
(db:drop-triggers db))))

(define (db:is-trigger-dropped db tbl-name)
     (let* ((trigger-name (if (equal? tbl-name "test_steps")
				"update_teststeps_trigger" 
                                (conc "update_" tbl-name "_trigger"))))
            (sqlite3:for-each-row
		   (lambda (name)
                     ;(print name)
		     (set! res (vector name)))
		   db 
		   "select name  from sqlite_master where type = 'trigger' ;" 
		   )))

(define (db:drop-triggers db)
  (for-each (lambda (key) 
              (sqlite3:execute db (conc "drop trigger " (car key))))
          db:trigger-list))

(define  (db:drop-trigger db tbl-name)
      (let* ((trigger-name (if (equal? tbl-name "test_steps")
				"update_teststeps_trigger" 
                                (conc "update_" tbl-name "_trigger"))))
       (for-each (lambda (key) 
             (if (equal? (car key) trigger-name)
             (sqlite3:execute db (conc "drop trigger " trigger-name))))
      db:trigger-list)))

(define  (db:create-trigger db tbl-name)
      (let* ((trigger-name (if (equal? tbl-name "test_steps")
                              "update_teststeps_trigger" 
                              (conc "update_" tbl-name "_trigger"))))
       (for-each (lambda (key) 
             (if (equal? (car key) trigger-name)
             (sqlite3:execute db (cadr key))))
      db:trigger-list))) 


(define (db:initialize-main-db dbdat)
  (when (not *configinfo*)
           (launch:setup)) ;; added because Elena was getting stack dump because *configinfo* below was #f.
  (let* ((configdat (car *configinfo*))  ;; tut tut, global warning...
	 (keys     (keys:config-get-fields configdat))
	 (havekeys (> (length keys) 0))
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			 owner      TEXT DEFAULT '',
			 event_time TIMESTAMP DEFAULT (strftime('%s','now')),
			 comment    TEXT DEFAULT '',
			 fail_count INTEGER DEFAULT 0,
			 pass_count INTEGER DEFAULT 0,
                         last_update INTEGER DEFAULT (strftime('%s','now')),
			 CONSTRAINT runsconstraint UNIQUE (runname" (if havekeys "," "") keystr "));"))
        ;; All triggers created at once in end
	(sqlite3:execute db "CREATE TRIGGER IF NOT EXISTS update_runs_trigger AFTER UPDATE ON runs
                             FOR EACH ROW
                               BEGIN 
                                 UPDATE runs SET last_update=(strftime('%s','now'))
                                   WHERE id=old.id;
                               END;")
	;;(sqlite3:execute db "CREATE TRIGGER IF NOT EXISTS update_runs_trigger AFTER UPDATE ON runs
        ;;                    FOR EACH ROW
        ;;                       BEGIN 
        ;;                         UPDATE runs SET last_update=(strftime('%s','now'))
        ;;                           WHERE id=old.id;
        ;;                       END;")
	(sqlite3:execute db "CREATE TABLE IF NOT EXISTS run_stats (
                              id     INTEGER PRIMARY KEY,
                              run_id INTEGER,
                              state  TEXT,
                              status TEXT,
                              count  INTEGER,
                              last_update INTEGER DEFAULT (strftime('%s','now')))")
         ;; All triggers created at once in end
	(sqlite3:execute db "CREATE TRIGGER  IF NOT EXISTS update_run_stats_trigger AFTER UPDATE ON run_stats
                             FOR EACH ROW
                               BEGIN 
                                 UPDATE run_stats SET last_update=(strftime('%s','now'))
                                   WHERE id=old.id;
                               END;")
         ;; (sqlite3:execute db "CREATE TRIGGER  IF NOT EXISTS update_run_stats_trigger AFTER UPDATE ON run_stats
         ;;                   FOR EACH ROW
         ;;                     BEGIN 
         ;;                       UPDATE run_stats SET last_update=(strftime('%s','now'))
         ;;                         WHERE id=old.id;
         ;;                      END;")
	(sqlite3:execute db "CREATE TABLE IF NOT EXISTS test_meta (
                                     id          INTEGER PRIMARY KEY,
                                     testname    TEXT DEFAULT '',
                                     author      TEXT DEFAULT '',
                                     owner       TEXT DEFAULT '',
                                     description TEXT DEFAULT '',
                                     reviewed    TIMESTAMP,
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                     last_update  INTEGER DEFAULT (strftime('%s','now')),
                        CONSTRAINT testsconstraint UNIQUE (run_id, testname, item_path));")
	;; deprecated -- (sqlite3:execute db "CREATE INDEX IF NOT EXISTS tests_index ON tests (run_id, testname, item_path, uname);")
        
        (sqlite3:execute db "CREATE INDEX IF NOT EXISTS tests_run_id_index ON tests (run_id);")  ;; new
        (sqlite3:execute db "CREATE INDEX IF NOT EXISTS tests_testname_index ON tests (testname,item_path);") ;; new
        (sqlite3:execute db "CREATE INDEX IF NOT EXISTS tests_state_status_index ON tests (state, status); ") ;; new
        
	(sqlite3:execute db "CREATE TRIGGER  IF NOT EXISTS update_tests_trigger AFTER UPDATE ON tests
                             FOR EACH ROW
                               BEGIN 
                                 UPDATE tests SET last_update=(strftime('%s','now'))
                                   WHERE id=old.id;
                               END;")

         ;; All triggers created at once in end
	;;(sqlite3:execute db "CREATE TRIGGER  IF NOT EXISTS update_tests_trigger AFTER UPDATE ON tests
        ;;                     FOR EACH ROW
        ;;                       BEGIN 
        ;;                         UPDATE tests SET last_update=(strftime('%s','now'))
        ;;                           WHERE id=old.id;
        ;;                       END;")
	(sqlite3:execute db "CREATE TABLE IF NOT EXISTS test_steps 
                              (id INTEGER PRIMARY KEY,
                               test_id INTEGER, 
                               stepname TEXT, 
                               state TEXT DEFAULT 'NOT_STARTED', 
                               status TEXT DEFAULT 'n/a',
                               event_time TIMESTAMP,
                               comment TEXT DEFAULT '',
                               logfile TEXT DEFAULT '',
                               last_update  INTEGER DEFAULT (strftime('%s','now')),
                               CONSTRAINT test_steps_constraint UNIQUE (test_id,stepname,state));")
	(sqlite3:execute db "CREATE INDEX IF NOT EXISTS teststeps_index ON tests (run_id, testname, item_path);")
        ;; All triggers created at once in end
	(sqlite3:execute db "CREATE TRIGGER  IF NOT EXISTS update_teststeps_trigger AFTER UPDATE ON test_steps
                             FOR EACH ROW
                               BEGIN 
                                 UPDATE test_steps SET last_update=(strftime('%s','now'))
                                   WHERE id=old.id;
                               END;")
	;;(sqlite3:execute db "CREATE TRIGGER  IF NOT EXISTS update_teststeps_trigger AFTER UPDATE ON test_steps
        ;;                     FOR EACH ROW
        ;;                       BEGIN 
        ;;                         UPDATE test_steps SET last_update=(strftime('%s','now'))
        ;;                           WHERE id=old.id;
        ;;                       END;")
	(sqlite3:execute db "CREATE TABLE IF NOT EXISTS test_data (id INTEGER PRIMARY KEY,
                                test_id INTEGER,
                                category TEXT DEFAULT '',
                                variable TEXT,
	                        value REAL,
	                        expected REAL,
	                        tol REAL,
                                units TEXT,
                                comment TEXT DEFAULT '',
                                status TEXT DEFAULT 'n/a',
                                type TEXT DEFAULT '',
                                last_update  INTEGER DEFAULT (strftime('%s','now')),
                              CONSTRAINT test_data_constraint UNIQUE (test_id,category,variable));")
	(sqlite3:execute db "CREATE INDEX IF NOT EXISTS test_data_index ON test_data (test_id);")
        ;; All triggers created at once in end
	(sqlite3:execute db "CREATE TRIGGER  IF NOT EXISTS update_test_data_trigger AFTER UPDATE ON test_data
                             FOR EACH ROW
                               BEGIN 
                                 UPDATE test_data SET last_update=(strftime('%s','now'))
                                   WHERE id=old.id;
                               END;")
	;;(sqlite3:execute db "CREATE TRIGGER  IF NOT EXISTS update_test_data_trigger AFTER UPDATE ON test_data
        ;;                     FOR EACH ROW
        ;;                       BEGIN 
        ;;                         UPDATE test_data SET last_update=(strftime('%s','now'))
        ;;                           WHERE id=old.id;
        ;;                       END;")
	(sqlite3:execute db "CREATE TABLE IF NOT EXISTS test_rundat (
                              id           INTEGER PRIMARY KEY,
                              test_id      INTEGER,
                              update_time  TIMESTAMP,
                              cpuload      INTEGER DEFAULT -1,
                              diskfree     INTEGER DEFAULT -1,
                              diskusage    INTGER DEFAULT -1,
                              run_duration INTEGER DEFAULT 0);")
	(sqlite3:execute db "CREATE TABLE IF NOT EXISTS archives (
                              id           INTEGER PRIMARY KEY,
                              test_id      INTEGER,
                              state        TEXT DEFAULT 'new',
                              status       TEXT DEFAULT 'n/a',
                              archive_type TEXT DEFAULT 'bup',
                              du           INTEGER,
                              archive_path TEXT);")))
         (print "creating trigges from init") 
        (db:create-triggers db)    
     db)) ;; )

;;======================================================================
;; A R C H I V E S
;;======================================================================

;; dneeded is minimum space needed, scan for existing archives that 
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       (debug:print-info 18 *default-log-port* "Found " (length oldlaunched) " old LAUNCHED items, " (length toplevels) " old LAUNCHED toplevel tests and " (length incompleted) " tests marked RUNNING but apparently dead.")
       (if (and (null? incompleted)
                (null? oldlaunched)
                (null? toplevels))
           #f
           #t)))))

;; given a launch delay (minimum time from last launch) return amount of time to wait
;;
;; (define (db:launch-delay-left dbstruct run-id launch-delay)
  


(define (db:get-status-from-final-status-file run-dir)
  (let (
       (infile (conc run-dir "/.final-status")))
  (let ((infile (conc run-dir "/.final-status")))

       ;; first verify we are able to write the output file
       (if (not (file-read-access? infile))
          (begin 
	        (debug:print 0 *default-log-port* "ERROR: cannot read " infile)
    ;; first verify we are able to write the output file
    (if (not (file-read-access? infile))
        (begin 
	  (debug:print 0 *default-log-port* "ERROR: cannot read " infile)
          (debug:print 0 *default-log-port* "ERROR: run-dir is " run-dir)
          #f
          )
          (with-input-from-file infile read-lines)
       )
        (with-input-from-file infile read-lines)
	)))
  )
)




;;  select end_time-now from
;;      (select testname,item_path,event_time+run_duration as
;;                          end_time,strftime('%s','now') as now from tests where state in
;;      ('RUNNING','REMOTEHOSTSTART','LAUNCHED'));

(define (db:find-and-mark-incomplete dbstruct run-id ovr-deadtime)
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			  (let ((is-alive (launch:is-test-alive host pid)))
			    (if is-alive
				(debug:print 0 *default-log-port* "INFO: test " test-id " on host " host " has a process on pid " pid ", NOT setting to DEAD.")
				(begin
				  (debug:print 0 *default-log-port* "INFO: test " test-id " final state/status is not COMPLETED/PASS. It is " result)
				  (db:set-state-status-and-roll-up-items dbstruct run-id test-id 'foo "COMPLETED" "DEAD"
									 "Test stopped responding while in RUNNING or REMOTEHOSTSTART; presumed dead.")))))))
                     ;; call end of eud of run detection for posthook - from merge, is it needed?
                     ;; (launch:end-of-run-check run-id)
		  all-ids)
	       ;;call end of eud of run detection for posthook
	       (launch:end-of-run-check run-id)
	       )))))))


;; ALL REPLACED BY THE BLOCK ABOVE
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        "SELECT val FROM metadat WHERE var=?;" var)
       ;; convert to number if can
       (if (string? res)
           (let ((valnum (string->number res)))
             (if valnum (set! res valnum))))
       res))))

(define (db:inc-var dbstruct var)
  (db:with-db dbstruct #f #t 
	      (lambda (db)
		(sqlite3:execute db "UPDATE metadat SET val=val+1 WHERE var=?;" var))))

(define (db:dec-var dbstruct var)
  (db:with-db dbstruct #f #t 
	      (lambda (db)
		(sqlite3:execute db "UPDATE metadat SET val=val-1 WHERE var=?;" var))))

;; This was part of db:get-var. It was used to estimate the load on
;; the database files.
;;
;; scale by 10, average with current value.
;;     (set! *global-delta* (/ (+ *global-delta* (* (- (current-milliseconds) start-ms)
;; 						 (if throttle throttle 0.01)))
;; 			    2))
;;     (if (> (abs (- *last-global-delta-printed* *global-delta*)) 0.08) ;; don't print all the time, only if it changes a bit
;; 	(begin
;; 	  (debug:print-info 4 *default-log-port* "launch throttle factor=" *global-delta*)
;; 	  (set! *last-global-delta-printed* *global-delta*)))

(define (db:set-var dbstruct var val)
  (db:with-db dbstruct #f #t 
	      (lambda (db)
		(sqlite3:execute db "INSERT OR REPLACE INTO metadat (var,val) VALUES (?,?);" var val))))

(define (db:add-var dbstruct var val)
  (db:with-db dbstruct #f #t 
	      (lambda (db)
		(sqlite3:execute db "UPDATE metadat SET val=val+? WHERE var=?;" val var))))

(define (db:del-var dbstruct var)
  (db:with-db dbstruct #f #t 
	      (lambda (db)
		(sqlite3:execute db "DELETE FROM metadat WHERE var=?;" var))))

;;======================================================================
;; no-sync.db - small bits of data to be shared between servers
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						     " ")))
				(if sort-order sort-order " ")
				(if limit  (conc " LIMIT " limit)   " ")
				(if offset (conc " OFFSET " offset) " ")
				";"
				)))
    (debug:print-info 8 *default-log-port* "db:get-tests-for-run run-id=" run-id ", qry=" qry)
    (db:with-db dbstruct run-id #f
		(lambda (db)
		  (sqlite3:for-each-row 
		   (lambda (a . b) ;; id run-id testname state status event-time host cpuload diskfree uname rundir item-path run-duration final-logf comment)
		     (set! res (cons (apply vector a b) res))) ;; id run-id testname state status event-time host cpuload diskfree uname rundir item-path run-duration final-logf comment) res)))
    (let* ((res (db:with-db dbstruct run-id #f
			    (lambda (db)
			      ;; (let* ((stmth (db:get-cache-stmth dbstruct db qry))) ;; due to use of last-update we can't efficiently cache this query
				(reverse
				 (sqlite3:fold-row
				  (lambda (res . row)
				    ;; id run-id testname state status event-time host cpuload
				    ;;     diskfree uname rundir item-path run-duration final-logf comment)
		   db
		   qry
		   (or run-id 1) ;; 1 > 0 , for the case where we are seeking tests matching criteral for all runs
		   )))
    (case qryvals
      ((shortlist)(map db:test-short-record->norm res))
      ((#f)       res)
      (else       res))))
				    (cons (list->vector row) res))
				  '()
				  db qry ;; stmth
				  (or run-id 1) ;; 1 > 0 , for the case where we are seeking tests matching criteral for all runs
				  ))))))
      (case qryvals
	((shortlist)(map db:test-short-record->norm res))
	((#f)       res)
	(else       res)))))

(define (db:test-short-record->norm inrec)
  ;;  "id,run_id,testname,item_path,state,status"
  ;;  "id,run_id,testname,state,status,event_time,host,cpuload,diskfree,uname,rundir,item_path,run_duration,final_logf,comment
  (vector (vector-ref inrec 0) ;; id
	  (vector-ref inrec 1) ;; run_id
	  (vector-ref inrec 2) ;; testname
	  (vector-ref inrec 4) ;; state
	  (vector-ref inrec 5) ;; status
	  -1 "" -1 -1 "" "-" 
	  (vector-ref inrec 3) ;; item-path
	  -1 "-" "-"))

;;
;; 1. cache tests-match-qry
;; 2. compile qry and store in hash
;; 3. convert for-each-row to fold
;;
#;(define (db:get-tests-for-run-state-status dbstruct run-id testpatt)
  (let* ((res            '())
	 (tests-match-qry (tests:match->sqlqry testpatt))
	 (qry             (conc "SELECT id,testname,item_path,state,status FROM tests WHERE run_id=? " 
				(if tests-match-qry (conc " AND (" tests-match-qry ") ") ""))))
    (debug:print-info 8 *default-log-port* "db:get-tests-for-run qry=" qry)
    (db:with-db dbstruct run-id #f
		(lambda (db)
		  (sqlite3:for-each-row
		   (lambda (id testname item-path state status)
		     ;;                      id,run_id,testname,state,status,event_time,host,cpuload,diskfree,uname,rundir,item_path,run_duration,final_logf,comment
		     (set! res (cons (vector id run-id testname state status -1         ""     -1      -1       ""    "-"  item-path -1           "-"         "-") res)))
(define (db:get-tests-for-run-state-status dbstruct run-id testpatt)
  (db:with-db
   dbstruct run-id #f
   (lambda (db)
     (let* ((res            '())
	    (stmt-cache      (dbr:dbstruct-stmt-cache dbstruct))
	    (stmth           (let* ((sh (db:hoh-get stmt-cache db testpatt)))
			       (or sh
				   (let* ((tests-match-qry (tests:match->sqlqry testpatt))
					  (qry             (conc "SELECT id,testname,item_path,state,status FROM tests WHERE run_id=? " 
								 (if tests-match-qry (conc " AND (" tests-match-qry ") ") "")))
					  (newsh           (sqlite3:prepare db qry)))
				     (debug:print-info 8 *default-log-port* "db:get-tests-for-run qry=" qry)
				     (db:hoh-set! stmt-cache db testpatt newsh)
				     newsh)))))
       (reverse
	(sqlite3:fold-row
	 (lambda (res id testname item-path state status)
	   ;;  id,run_id,testname,state,status,event_time,host,cpuload,diskfree,uname,rundir,item_path,run_duration,final_logf,comment
	   (cons (vector id run-id testname state status -1         ""     -1      -1       ""    "-"  item-path -1           "-"         "-") res))
		   db 
		   qry
		   run-id)))
	 '()
	 stmth
	 run-id))))))
    res))

(define (db:get-tests-for-run-state-status dbstruct run-id testpatt #!optional (last-update 0))
  (let* ((res            '())
	 (tests-match-qry (tests:match->sqlqry testpatt))
	 (qry             (conc "SELECT id,testname,item_path,state,status,event_time,run_duration FROM tests WHERE run_id=? " 
				" AND last_update > ? "
				(if tests-match-qry (conc " AND (" tests-match-qry ") ") "")
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       (if newstatus  (sqlite3:execute db "UPDATE tests SET status=?  WHERE id=?;" newstatus  test-id))
       (if newcomment (sqlite3:execute db "UPDATE tests SET comment=? WHERE id=?;" newcomment ;; (sdb:qry 'getid newcomment)
				       test-id))))))
  (mt:process-triggers dbstruct run-id test-id newstate newstatus))

;; NEW BEHAVIOR: Count tests running in all runs!
;;
(define (db:get-count-tests-running dbstruct run-id)
(define (db:get-count-tests-running dbstruct run-id fastmode)
  (let* ((qry (if fastmode
		  "SELECT count(id) FROM tests WHERE state in ('RUNNING','LAUNCHED','REMOTEHOSTSTART') AND NOT (uname = 'n/a' AND item_path = '') LIMIT 1;"
		  "SELECT count(id) FROM tests WHERE state in ('RUNNING','LAUNCHED','REMOTEHOSTSTART') AND NOT (uname = 'n/a' AND item_path = '');")))
  (db:with-db
   dbstruct
   run-id
   #f
   (lambda (db)
     (let* ((stmth (db:get-cache-stmth dbstruct  db qry)))
     (sqlite3:first-result 
       (sqlite3:first-result stmth))))))
      db
      ;; WARNING BUG EDIT ME - merged from v1.55 - not sure what is right here ...
      ;; AND run_id NOT IN (SELECT id FROM runs WHERE state='deleted')
      "SELECT count(id) FROM tests WHERE state in ('RUNNING','LAUNCHED','REMOTEHOSTSTART') AND NOT (uname = 'n/a' AND item_path = '');"
      ;; "SELECT count(id) FROM tests WHERE state in ('RUNNING','LAUNCHED','REMOTEHOSTSTART') AND run_id=?;" 
      ))))

;; NEW BEHAVIOR: Count tests running in only one run!
;;
(define (db:get-count-tests-actually-running dbstruct run-id)
  (db:with-db
   dbstruct
   run-id
   #f
   (lambda (db)
     (sqlite3:first-result
      db
      ;; WARNING BUG EDIT ME - merged from v1.55 - not sure what is right here ...
      ;; "SELECT count(id) FROM tests WHERE state in ('RUNNING','LAUNCHED','REMOTEHOSTSTART') AND run_id NOT IN (SELECT id FROM runs WHERE state='deleted') AND NOT (uname = 'n/a' AND item_path = '');")
      "SELECT count(id) FROM tests WHERE state in ('RUNNING','REMOTEHOSTSTART','LAUNCHED') AND run_id=?;" 
      run-id)))) ;; NOT IN (SELECT id FROM runs WHERE state='deleted');")

;; NEW BEHAVIOR: Look only at single run with run-id
;; 
;; (define (db:get-running-stats dbstruct run-id)
(define (db:get-count-tests-running-for-run-id dbstruct run-id)
  (db:with-db
   dbstruct
   run-id
   #f
   (lambda (db)
     (sqlite3:first-result
(define (db:get-count-tests-running-for-run-id dbstruct run-id fastmode)
  (let* ((qry (if fastmode
		  "SELECT count(id) FROM tests WHERE state in ('RUNNING','LAUNCHED','REMOTEHOSTSTART') AND run_id=? LIMIT 1;"
		  "SELECT count(id) FROM tests WHERE state in ('RUNNING','LAUNCHED','REMOTEHOSTSTART') AND run_id=?;")))
    (db:with-db
     dbstruct
     run-id
     #f
     (lambda (db)
       (let* ((stmth (db:get-cache-stmth dbstruct db qry)))
	 (sqlite3:first-result stmth run-id))))))
      db
      "SELECT count(id) FROM tests WHERE state in ('RUNNING','LAUNCHED','REMOTEHOSTSTART') AND run_id=?;" run-id))))

;; For a given testname how many items are running? Used to determine
;; probability for regenerating html
;; 
(define (db:get-count-tests-running-for-testname dbstruct run-id testname)
  (db:with-db
   dbstruct
   run-id
   #f
   (lambda (db)
     (let* ((stmt "SELECT count(id) FROM tests WHERE state in ('RUNNING','LAUNCHED','REMOTEHOSTSTART') AND run_id=? AND NOT (uname = 'n/a' AND item_path = '') AND testname=?;")
	    (stmth (db:get-cache-stmth dbstruct db stmt)))
     (sqlite3:first-result
       (sqlite3:first-result
      db
      "SELECT count(id) FROM tests WHERE state in ('RUNNING','LAUNCHED','REMOTEHOSTSTART') AND run_id=? AND NOT (uname = 'n/a' AND item_path = '') AND testname=?;" run-id testname))))

	stmth run-id testname)))))

(define (db:get-not-completed-cnt dbstruct run-id)
(db:with-db
   dbstruct
   run-id
   #f
   (lambda (db)
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	    indx
	    (if (null? tal)
		#f
		(loop (car tal)(cdr tal)(+ indx 1)))))))

(define db:test-record-qry-selector (string-intersperse db:test-record-fields ","))

(define (db:update-tesdata-on-repilcate-db dbstruct old-lt new-lt)
  (db:with-db
   dbstruct   #f   #f
   (lambda (db)
     (sqlite3:execute db "UPDATE tests SET rundir= replace(rundir,?,?), shortdir=replace(shortdir,?,?);"
		      old-lt new-lt  old-lt new-lt))))

;; NOTE: Use db:test-get* to access records
;; NOTE: This needs rundir decoding? Decide, decode here or where used? For the moment decode where used.
(define (db:get-all-tests-info-by-run-id dbstruct run-id)
  (let* ((res '()))
    (db:with-db
     dbstruct #f #f
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	test-id)
       (reverse res)))))

;;======================================================================
;; T E S T  D A T A 
;;======================================================================

 (define (db:get-data-info-by-id dbstruct  test-data-id)
   (db:with-db
    dbstruct
    #f 
    #f
    (lambda (db)
      (let* ((res (vector #f #f #f #f #f #f #f #f #f #f #f #f)))
        (sqlite3:for-each-row 
       (lambda (id test-id  category variable value expected tol units comment status type last-update)
         (set! res (vector id test-id  category variable value expected tol units comment status type last-update)))
(define (db:get-data-info-by-id dbstruct  test-data-id)
  (let* ((stmt        "SELECT id,test_id, category, variable, value, expected, tol, units, comment, status, type, last_update FROM test_data WHERE id=? ORDER BY id ASC;")) ;; event_time DESC,id ASC;
    (db:with-db
     dbstruct
     #f 
     #f
     (lambda (db)
       (let* ((stmth (db:get-cache-stmth dbstruct db stmt))
	      (res   (sqlite3:fold-row
		      (lambda (res id test-id  category variable value expected tol units comment status type last-update)
			(vector id test-id  category variable value expected tol units comment status type last-update))
       db
       "SELECT id,test_id, category, variable, value, expected, tol, units, comment, status, type, last_update FROM test_data WHERE id=? ORDER BY id ASC;" ;; event_time DESC,id ASC;
       test-data-id)
        res))))
		      (vector #f #f #f #f #f #f #f #f #f #f #f #f)
		      stmth
		      test-data-id)))
        res)))))


;; WARNING: Do NOT call this for the parent test on an iterated test
;; Roll up test_data pass/fail results
;; look at the test_data status field, 
;;    if all are pass (any case) and the test status is PASS or NULL or '' then set test status to PASS.
;;    if one or more are fail (any case) then set test status to PASS, non "pass" or "fail" are ignored
(define (db:test-data-rollup dbstruct run-id test-id status)
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                                     db
                                     "SELECT state,status,count(id) FROM tests WHERE run_id=?  GROUP BY state,status;"
                                     run-id )))))
   test-count-recs))


;; BBnote: db:get-all-state-status-counts-for-test returns dbr:counts object aggregating state and status of items of a given test, *not including rollup state/status*
;;
;; NOTE: This is called within a transaction
;;
(define (db:get-all-state-status-counts-for-test dbstruct run-id test-name item-path item-state-in item-status-in)
  (let* ((test-info   (db:get-test-info dbstruct run-id test-name item-path))
         (item-state  (or item-state-in (db:test-get-state test-info))) 
         (item-status (or item-status-in (db:test-get-status test-info)))
         (other-items-count-recs (db:with-db
                                  dbstruct #f #f
                                  (lambda (db)

Modified dcommon.scm from [30bf3c6504] to [8eac2f387f].

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(import (prefix iup iup:))
(use canvas-draw)
(import canvas-draw-iup)
(use regex typed-records matchable)

(declare (unit dcommon))

(declare (uses megatest-version))
(declare (uses gutils))
(declare (uses db))
;; (declare (uses synchash))

(include "megatest-version.scm")
(include "common_records.scm")
(include "db_records.scm")
(include "key_records.scm")
(include "run_records.scm")

;; yes, this is non-ideal 
(define dashboard:update-summary-tab #f)
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	     (numrows      1)
	     (numcols      1))
	(iup:attribute-set! stats-matrix "CLEARVALUE" "CONTENTS")
	(iup:attribute-set! stats-matrix "NUMCOL" max-col )
	(iup:attribute-set! stats-matrix "NUMLIN" (if (< max-row max-visible) max-visible max-row)) ;; min of 20
	(iup:attribute-set! stats-matrix "NUMCOL_VISIBLE" max-col-vis)
	(iup:attribute-set! stats-matrix "NUMLIN_VISIBLE" (if (> max-row max-visible) max-visible max-row))
	(print "row-indices: " row-indices " col-indices: " col-indices)
	;;(print "row-indices: " row-indices " col-indices: " col-indices)
	;; Row labels
	(for-each (lambda (ind)
		    (let* ((name (car ind))
			   (num  (cadr ind))
			   (key  (conc num ":0")))
		      (if (not (equal? (iup:attribute stats-matrix key) name))
			  (begin

Modified docs/manual/installation.txt from [93bb208a2d] to [55192787b7].

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Installation
------------

Dependencies
~~~~~~~~~~~~

Chicken scheme and a number of "eggs" are required for building
Megatest. See the script installall.sh in the utils directory of the
source distribution for an automated way to install everything
needed for building Megatest on Linux.

Megatest. In the v1.66 and beyond assistance to create the build
system is built into the Makefile.

.Installation steps (overview)
-------------------------------------
./configure
make chicken

Modified docs/manual/megatest_manual.html from [815cb0cf69] to [4c1fe80b6f].

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<!DOCTYPE html>
<html lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta name="generator" content="AsciiDoc 8.6.10">
<meta name="generator" content="AsciiDoc 8.6.7">
<title>The Megatest Users Manual</title>
<style type="text/css">
/* Shared CSS for AsciiDoc xhtml11 and html5 backends */

/* Default font. */
body {
  font-family: Georgia,serif;
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ul, ol, li > p {
  margin-top: 0;
}
ul > li     { color: #aaa; }
ul > li > * { color: black; }

.monospaced, code, pre {
pre {
  font-family: "Courier New", Courier, monospace;
  font-size: inherit;
  color: navy;
  padding: 0;
  margin: 0;
}
pre {
  white-space: pre-wrap;
}

#author {
  color: #527bbd;
  font-weight: bold;
  font-size: 1.1em;
}
#email {
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div.exampleblock > div.content {
  border-left: 3px solid #dddddd;
  padding-left: 0.5em;
}

div.imageblock div.content { padding-left: 0; }
span.image img { border-style: none; vertical-align: text-bottom; }
span.image img { border-style: none; }
a.image:visited { color: white; }

dl {
  margin-top: 0.8em;
  margin-bottom: 0.8em;
}
dt {
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div.unbreakable { page-break-inside: avoid; }


/*
 * xhtml11 specific
 *
 * */

tt {
  font-family: "Courier New", Courier, monospace;
  font-size: inherit;
  color: navy;
}

div.tableblock {
  margin-top: 1.0em;
  margin-bottom: 1.5em;
}
div.tableblock > table {
  border: 3px solid #527bbd;
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}


/*
 * html5 specific
 *
 * */

.monospaced {
  font-family: "Courier New", Courier, monospace;
  font-size: inherit;
  color: navy;
}

table.tableblock {
  margin-top: 1.0em;
  margin-bottom: 1.5em;
}
thead, p.tableblock.header {
  font-weight: bold;
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body.manpage div.sectionbody {
  margin-left: 3em;
}

@media print {
  body.manpage div#toc { display: none; }
}


@media screen {
  body {
    max-width: 50em; /* approximately 80 characters wide */
    margin-left: 16em;
  }

  #toc {
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</div></div>
</div>
<div class="sect2">
<h3 id="_trim_trailing_spaces">Trim trailing spaces</h3>
<div class="admonitionblock">
<table><tr>
<td class="icon">
<img src="/usr/images/icons/note.png" alt="Note">
<img src="/nfs/pdx/disks/ice.disk.002/icfadm/pkgs/asciidoc/8.6.7/images/icons/note.png" alt="Note">
</td>
<td class="content">As of Megatest version v1.6548 trim-trailing-spaces defaults to yes.</td>
</tr></table>
</div>
<div class="listingblock">
<div class="content monospaced">
<pre>[configf:settings trim-trailing-spaces no]
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<pre># A normal waiton waits for the prior tests to be COMPLETED
# and PASS, CHECK or WAIVED
waiton test1 test2</pre>
</div></div>
<div class="admonitionblock">
<table><tr>
<td class="icon">
<img src="/usr/images/icons/note.png" alt="Note">
<img src="/nfs/pdx/disks/ice.disk.002/icfadm/pkgs/asciidoc/8.6.7/images/icons/note.png" alt="Note">
</td>
<td class="content">Dynamic waiton lists must be capable of being calculated at the
beginning of a run. This is because Megatest walks the tree of waitons
to create the list of tests to execute.</td>
</tr></table>
</div>
<div class="listingblock">
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<div class="content monospaced">
<pre>[triggers]
COMPLETED/ xterm -e bash -s --</pre>
</div></div>
<div class="admonitionblock">
<table><tr>
<td class="icon">
<img src="/usr/images/icons/note.png" alt="Note">
<img src="/nfs/pdx/disks/ice.disk.002/icfadm/pkgs/asciidoc/8.6.7/images/icons/note.png" alt="Note">
</td>
<td class="content">There is a trailing space after the double-dash</td>
</tr></table>
</div>
<div class="paragraph"><p>There are a number of environment variables available to the trigger script
but since triggers can be called in various contexts not all variables are
available at all times. The trigger script should check for the variable and
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</div>
</div>
</div>
<div id="footnotes"><hr></div>
<div id="footer">
<div id="footer-text">
Version 1.5<br>
Last updated 2020-07-22 14:21:46 PDT
Last updated 2020-06-29 08:09:27 PDT
 2020-06-29 20:32:05 MST
</div>
</div>
</body>
</html>

Modified docs/manual/plan.txt from [b8930eff65] to [b4fe19be84].




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Road Map
--------

// This file is part of Megatest.
// 
//     Megatest is free software: you can redistribute it and/or modify
//     it under the terms of the GNU General Public License as published by
//     the Free Software Foundation, either version 3 of the License, or
//     (at your option) any later version.
// 

Modified docs/manual/server.png from [da85cb6703] to [ae7d7ee58e].

cannot compute difference between binary files

Added emacs.config version [f8d660afb3].














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;; Indenting module body code at column 0
(defun scheme-module-indent (state indent-point normal-indent) 0)
(put 'module 'scheme-indent-function 'scheme-module-indent)

(put 'and-let* 'scheme-indent-function 1)
(put 'parameterize 'scheme-indent-function 1)
(put 'handle-exceptions 'scheme-indent-function 1)
(put 'when 'scheme-indent-function 1)
(put 'unless 'scheme-indent-function 1)
(put 'match 'scheme-indent-function 1)
(put 'let-values 'scheme-indent-function 1)


Modified genexample.scm from [2597a6cc06] to [4609ee6b65].

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;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;======================================================================

(declare (unit genexample))
(use posix regex)
(use posix regex matchable)

(include "db_records.scm")

(define genexample:example-logpro
#<<EOF
  ;; You should have at least one expect:required. This ensures that your process ran
  ;; comment out the line below and replace "put pattern here" with a pattern that will
  ;; always be seen in your log file if the step runs successfully.
  ;;
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			(if (string-match ".*\\.sh$" script)
			    (begin
			      (with-output-to-file (conc testdir "/" script)
				(lambda ()
				  (print genexample:example-script)))
			      (system (conc "chmod ug+r,a+x " (conc testdir "/" script)))))))
		    steps))))))

;; easier to work backwards than change the upstream code
;;
(define (hrs-min-sec->seconds str)
  (let* ((parts (string-split str))
	 (res   0))
    (for-each
     (lambda (part)
       (set! res
	     (+ res
		(match (string-match "(\\d+)([a-z])" part)
		  ((_ val units)(* (string->number val)(case (string->symbol units)
							 ((s) 1)
							 ((m) 60)
							 ((h) 3600))))
		  (else 0)))))
     parts)
    res))

;; generate a skeleton Megatest area from a current area with runs
;;
;;    specify target, runname etc to use specific runs for the template
;;
(define (genexample:extract-skeleton-area dest-path)
  (let* ((target    (args:get-arg "-target"))
	 (runname   (args:get-arg "-runname"))
	 (obtuse    (make-hash-table))
	 (obtusef   (args:get-arg "-obfuscate"))
	 (letters   (string-split-fields "\\S" "abcdefghijklmnopqrstuvwxyz"))
	 (maxletter (- (length letters) 1))
	 (lastlet   0)
	 (lastnum   1) 
	 (obfuscate (lambda (instr)
		      (or (hash-table-ref/default obtuse instr #f)
			  (if obtusef
			      (let* ((letter (list-ref letters lastlet))
				     (val    (conc letter lastnum)))
				(if (>= lastlet maxletter)
				    (begin
				      (set! lastlet 0)
				      (set! lastnum (+ lastnum 1)))
				    (set! lastlet (+ lastlet 1)))
				(hash-table-set! obtuse instr val)
				val)
			      instr)))))
    (if (not (and target runname))
	(debug:print 0 *default-log-port* "WARNING: For best results please specifiy -target and -runname for a good run to use as a template."))
    (if (not (and (file-exists? "megatest.config")
		  (file-exists? "megatest.db")))
	(begin
	  (debug:print 0 *default-log-port* "ERROR: this command must be run at the top level of a megatest area where runs have been completed")
	  (exit)))
	     
    ;; first create the dest path and needed subdirectories
    (if (not (file-exists? dest-path))
	(begin
	  (create-directory dest-path)
	  (create-directory (conc dest-path "/tests")))
	(if (file-exists? (conc dest-path "/megatest.config"))
	    (begin
	      (debug:print 0 *default-log-port* "ERROR: destination path already has megatest.config, stopping now.")
	      (exit))))

    ;; dump the config files from this area to the dest area
    (if (args:get-arg "-obfuscate")
	(debug:print 0 *default-log-port* "WARNING: obfuscation is NOT done on megatest.config and runconfigs.config. Please edit those files to remove any sensitive information!"))
    (system (conc "megatest -show-config > " dest-path "/megatest.config"))
    (system (conc "megatest -show-runconfig > " dest-path "/runconfigs.config"))

    ;; create stepsinfo and items refdbs, some stuff has to be done due to refdb not initing area
    ;;
    ;;            sheet       row       col      value
    ;; stepsinfo  testname    itempath  stepname steptime
    ;; miscinfo   "itemsinfo" testname  itempath "x"
    ;;  
    (for-each
     (lambda (rdbname)
       (if (not (file-exists? (conc dest-path "/" rdbname)))
	   (begin
	     (create-directory (conc dest-path "/" rdbname "/sxml") #t)
	     (with-output-to-file (conc dest-path "/" rdbname "/sheet-names.cfg")
	       (lambda ()(print))))))
     '("stepsinfo" "miscinfo"))
    
    (let* ((runs     (rmt:simple-get-runs (or runname "%") #f #f (or target "%")))
	   (tests    (make-hash-table)) ;; just tests
	   (fullt    (make-hash-table)) ;; all test/items
	   (testreg  (make-hash-table)) ;; for the testconfigs
	   (stepsrdb (conc dest-path "/stepsinfo"))
	   (miscrdb  (conc dest-path "/miscinfo")))
      (if (> (length runs) 1)
	  (debug:print-info 0 *default-log-port* "More than one run matches, first found data will be used."))
      ;; get all testnames
      (for-each
       (lambda (run-id)
	 (let* ((tests-data (rmt:get-tests-for-run run-id "%" '() '() #f #f #f #f #f #f #f #f)))
	   (for-each
	    (lambda (testdat)
	      (let* ((test-id      (db:test-get-id testdat))
		     (testname     (db:test-get-testname testdat))
		     (item-path    (db:test-get-item-path testdat))
		     (tlevel       (db:test-get-is-toplevel testdat))
		     (tfullname    (db:test-get-fullname testdat))
		     ;; now get steps info
		     (test-steps   (tests:get-compressed-steps run-id test-id))
		     (testconfig   (tests:get-testconfig testname item-path testreg #f)))

		
		(if (not (hash-table-exists? fullt tfullname))
		    ;; do the work for this test if not previously done
		    (let* ((new-test-dir (conc dest-path "/tests/" (obfuscate testname)))
			   (tconfigf     (conc new-test-dir "/testconfig")))
		      (print "Analyzing and extracting info for " tfullname " as " (obfuscate testname))
		      (print "  toplevel: " (if tlevel "yes" "no"))
		      (hash-table-set! fullt tfullname #t) ;; track that this one has been seen
		      (if (not (directory-exists? new-test-dir))
			  (create-directory new-test-dir #t))

		      ;; create the testconfig IIF we are a toplevel or an item AND the testconfig has not been previously created
		      (if (and (or (not tlevel)
				   (not (equal? item-path "")))
			       (not (file-exists? tconfigf)))
			  (with-output-to-file tconfigf
			    (lambda ()
			      ;; first the ezsteps
			      (print "[ezsteps]")
			      (for-each
			       (lambda (teststep)
				 (let* ((step-name  (vector-ref teststep 0)))
				   (print (obfuscate step-name)
					  " sleep [refdb lookup #{getenv MT_RUN_AREA_HOME}/stepsinfo "
					  (obfuscate testname) " $MT_ITEMPATH "
					  (obfuscate step-name) "]")))
			       test-steps)

			      ;; now the requirements section
			      (if testconfig
				  (begin
				    (print "\n[requirements]")
				    (for-each
				     (lambda (entry)
				       (let* ((key (car entry))
					      (val (cadr entry)))
					 (case (string->symbol key)
					   ((waiton)  (print "waiton " (obfuscate val)))
					   (else      (print key " " val)))))
				     (configf:get-section testconfig "requirements")))
				  #;(print "WARNING: No testconfig data for " testname ", " item-path))
				    
			      (print "\n[items]")
			      (print "THE_ITEM [refdb getrow #{getenv MT_RUN_AREA_HOME}/miscinfo itemsinfo " (obfuscate testname)" | awk '{print $1}']")
			      )))

		      ;; fill the stepsrdb
		      (for-each
		       (lambda (teststep)
			 (let* ((step-name     (vector-ref teststep 0))
				(step-duration (hrs-min-sec->seconds (vector-ref teststep 4))))
			   
			   (system (conc "refdb set " stepsrdb " " (obfuscate testname)
					 " '" (if (equal? item-path "")
						  "no-item-path"
						  (obfuscate item-path))
					 "' " (obfuscate step-name) " " step-duration))))
		       test-steps)

		      ;; miscinfo   "itemsinfo" testname  itempath "x"
		      (if (not (equal? item-path ""))
			  (system (conc "refdb set " miscrdb " itemsinfo " (obfuscate testname) " " (obfuscate item-path) " x")))

		      ))))
	    tests-data)))
       (map (lambda (runrec)(simple-run-id runrec)) runs)))
    ))

Modified launch.scm from [4cf4021031] to [baaec62bb2].

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;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;======================================================================
;; launch a task - this runs on the originating host, tests themselves
;;
;;======================================================================

(use regex regex-case base64 sqlite3 srfi-18 directory-utils posix-extras z3 call-with-environment-variables csv)
(use regex regex-case base64 sqlite3 srfi-18 directory-utils posix-extras z3
     call-with-environment-variables csv)
(use typed-records pathname-expand matchable)

(import (prefix base64 base64:))
(import (prefix sqlite3 sqlite3:))

(declare (unit launch))
(declare (uses subrun))
(declare (uses common))
(declare (uses configf))
(declare (uses db))
(declare (uses ezsteps))

(include "common_records.scm")
(include "key_records.scm")
(include "db_records.scm")
(include "megatest-fossil-hash.scm")

;;======================================================================
;; ezsteps
;;======================================================================

;; ezsteps were going to be coded as
;; stepname[,predstep1,predstep2 ...] [{VAR1=first,second,third}] command to execute
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;; new
;; 100% COMPLETED/ (PASS,FAIL,ABORT etc.) ==> COMPLETED / X where X is same as itemized rollup
;; > 3 RUNNING with not test_dead do nothing (run should already be RUNNING/ na
;; > 0 RUNNING and test_dead then send KILLREQ ==> COMPLETED
;; 0 RUNNING ==> this is actually the first condition, should not get here

(define (launch:end-of-run-check run-id )
    (let*	((not-completed-cnt (rmt:get-not-completed-cnt run-id))  
           (running-cnt (rmt:get-count-tests-running-for-run-id run-id))
    (let* ((not-completed-cnt (rmt:get-not-completed-cnt run-id))  
           (running-cnt (rmt:get-count-tests-running-for-run-id run-id #f)) ;; fastmode=no
           (all-test-launched (rmt:get-var (conc "lunch-complete-" run-id)))
           (current-state (rmt:get-run-state run-id))
           (current-status (rmt:get-run-status run-id)))
     ;;get-vars run-id to query metadata table to check if all completed. if all-test-launched = yes then only not-completed-cnt = 0 means everyting is completed if no entry found in the table do nothing 
     (debug:print 0 *default-log-port* "Running test cnt :" running-cnt)                      
     (rmt:set-state-status-and-roll-up-run  run-id current-state current-status)
     (runs:update-junit-test-reporter-xml run-id) 
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	   (run-time-limit  (or (configf:lookup  tconfig   "requirements" "runtimelim")
				(configf:lookup  *configdat* "setup" "runtimelim")))
	   ;; FIXME SOMEDAY: not good how this is so obtuse, this hack is to 
	   ;;                allow running from dashboard. Extract the path
	   ;;                from the called megatest and convert dashboard
	   ;;             	  or dboard to megatest
	   (local-megatest  (common:find-local-megatest))
	   #;(local-megatest  (let* ((lm  (car (argv)))
				   (dir (pathname-directory lm))
				   (exe (pathname-strip-directory lm)))
			      (conc (if dir (conc dir "/") "")
				    (case (string->symbol exe)
				      ((dboard)    "../megatest")
				      ((mtest)     "../megatest")
				      ((dashboard) "megatest")
				      (else exe)))))
	   (launcher        (common:get-launcher *configdat* test-name item-path)) ;; (configf:lookup *configdat* "jobtools"     "launcher"))
	   (test-sig        (conc (common:get-testsuite-name) ":" test-name ":" item-path)) ;; (item-list->path itemdat))) ;; test-path is the full path including the item-path
	   (work-area       #f)
	   (toptest-work-area #f) ;; for iterated tests the top test contains data relevant for all
	   (diskpath   #f)
	   (cmdparms   #f)
	   (fullcmd    #f) ;; (define a (with-output-to-string (lambda ()(write x))))
	   (mt-bindir-path #f)
	   (testinfo   (rmt:get-test-info-by-id run-id test-id))
	   (mt_target  (string-intersperse (map cadr keyvals) "/"))
	   (debug-param (append (if (args:get-arg "-debug")  (list "-debug" (args:get-arg "-debug")) '())
				(if (args:get-arg "-logging")(list "-logging") '()))))
				(if (args:get-arg "-logging")(list "-logging") '())
				(if (configf:lookup *configdat* "misc" "profilesw")
				    (list (configf:lookup *configdat* "misc" "profilesw"))
				    '()))))
      ;; (if hosts (set! hosts (string-split hosts)))
      ;; set the megatest to be called on the remote host
      (if (not remote-megatest)(set! remote-megatest local-megatest)) ;; "megatest"))
      (set! mt-bindir-path (pathname-directory remote-megatest))
      (if launcher (set! launcher (string-split launcher)))
      ;; set up the run work area for this test
      (if (and (args:get-arg "-preclean") ;; user has requested to preclean for this run
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	      ;; NB// Is this still needed? Should be safe to go back to "exit" now?
	      (process-signal (current-process-id) signal/kill)
	      ))
	(alist->env-vars miscprevvals)
	(alist->env-vars testprevvals)
	(alist->env-vars commonprevvals)
	launch-results))
    (change-directory *toppath*)))
    (change-directory *toppath*)
    (thread-sleep! (configf:lookup-number *configdat* "setup" "inter-test-delay" default: 0.0))))

;; recover a test where the top controlling mtest may have died
;;
(define (launch:recover-test run-id test-id)
  ;; this function is called on the test run host via ssh
  ;;
  ;; 1. look at the process from pid

Modified megatest-version.scm from [bdb917f339] to [be0164eb13].

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;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;; Always use two or four digit decimal
;; 1.01, 1.02...1.10,1.11,1.1101 ... 1.99,2.00..

(declare (unit megatest-version))
;; (declare (unit megatest-version))

(define megatest-version 1.6603)

Modified megatest.scm from [5271a099fb] to [55e795577f].

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;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
;;

;; (include "common.scm")
;; (include "megatest-version.scm")
(include "megatest-version.scm")

;; fake out readline usage of toplevel-command
(define (toplevel-command . a) #f)

(declare (uses common))
(declare (uses megatest-version))
;; (declare (uses megatest-version))
(declare (uses margs))
(declare (uses runs))
(declare (uses launch))
(declare (uses server))
(declare (uses client))
(declare (uses tests))
(declare (uses genexample))
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(declare (uses mt))
(declare (uses api))
(declare (uses tasks)) ;; only used for debugging.
(declare (uses env))
(declare (uses diff-report))
(declare (uses commonmod))
(declare (uses adjutant))
(declare (uses ulex))
(declare (uses apimod))
(declare (uses rmtmod))
;; (declare (uses ftail))
;; (import ftail)

(import stml2 mutils commonmod adjutant)
(import stml2 mutils commonmod)
(import adjutant)
(import apimod rmtmod) 
(import ulex)

;; invoke the imports
;; (declare (uses mtargs.import))
;; (declare (uses mtconfigf.import))
(declare (uses cookie.import))
(declare (uses stml2.import))
(declare (uses pkts.import))
(declare (uses commonmod.import))
(declare (uses adjutant.import))
(declare (uses ulex.import))
(declare (uses apimod.import))
(declare (uses rmtmod.import))

(define *db* #f) ;; this is only for the repl, do not use in general!!!!

(include "common_records.scm")
(include "key_records.scm")
(include "db_records.scm")
(include "run_records.scm")
(include "megatest-fossil-hash.scm")

(use (prefix sqlite3 sqlite3:) srfi-1 posix regex regex-case srfi-69 (prefix base64 base64:)
     readline apropos json http-client directory-utils typed-records
     http-client srfi-18 extras format)

;; Added for csv stuff - will be removed
;;
(use sparse-vectors)

(import mutils ducttape-lib stml2)

;; (use zmq)

(define *usage-log-file* #f)    ;; put path to file for logging usage in this var in the ~/.megatestrc file
(define *usage-use-seconds* #t) ;; for Epoc seconds in usage logging change this to #t in ~/.megatestrc file

;; load the ~/.megatestrc file, put (use trace)(trace-call-sites #t)(trace function-you-want-to-trace) in this file
;;
(let ((debugcontrolf (conc (get-environment-variable "HOME") "/.megatestrc")))
  (if (common:file-exists? debugcontrolf)
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  :units                  : name of the units for value, expected_value etc. (optional)
  -load-test-data         : read test specific data for storage in the test_data table
                            from standard in. Each line is comma delimited with four
                            fields category,variable,value,comment

Queries
  -list-runs patt         : list runs matching pattern \"patt\", % is the wildcard
  -fields fieldspec       : fields to include in json dump; runs:id,runame+tests:testname+steps
  -dumpmode MODE          : dump in MODE format instead of sexpr, MODE=json,ini,sexp etc. (add -debug 0,9 to see which file contributes each line)
  -show-keys              : show the keys used in this megatest setup
  -test-files targpatt    : get the most recent test path/file matching targpatt e.g. %/% or '*.log'
                            returns list sorted by age ascending, see examples below
  -test-paths             : get the test paths matching target, runname, item and test
                            patterns.
  -list-disks             : list the disks available for storing runs
  -list-targets           : list the targets in runconfigs.config
  -list-db-targets        : list the target combinations used in the db
  -show-config            : dump the internal representation of the megatest.config file
  -show-runconfig         : dump the internal representation of the runconfigs.config file
  -dumpmode MODE          : dump in MODE format instead of sexpr, MODE=json,ini,sexp etc. (add -debug 0,9 to see which file contributes each line)
  -show-cmdinfo           : dump the command info for a test (run in test environment)
  -section sectionName
  -var varName            : for config and runconfig lookup value for sectionName varName
  -since N                : get list of runs changed since time N (Unix seconds)
  -fields fieldspec       : fields to include in json dump; runs:id,runame+tests:testname+steps
  -sort fieldname         : in -list-runs sort tests by this field
  -testdata-csv [categorypatt/]varpatt  : dump testdata for given category

Misc 
  -start-dir path         : switch to this directory before running megatest
  -contour cname          : add a level of hierarcy to the linktree and run paths
  -area-tag tagname       : add a tag to an area while syncing to pgdb
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  -refdb2dat refdb        : convert refdb to sexp or to format specified by s-dumpmode
                            formats: perl, ruby, sqlite3, csv (for csv the -o param
                            will substitute %s for the sheet name in generating 
                            multiple sheets)
  -o                      : output file for refdb2dat (defaults to stdout)
  -archive cmd            : archive runs specified by selectors to one of disks specified
                            in the [archive-disks] section.
                            cmd: keep-html, restore, save, save-remove, get (use 
                            cmd: keep-html, restore, save, save-remove, get, replicate-db (use 
                            -dest to set destination), -include path1,path2... to get or save specific files
  -generate-html          : create a simple html dashboard for browsing your runs
  -generate-html-structure  : create a top level html veiw to list targets/runs and a Run view within each run directory.  
  -list-run-time          : list time requered to complete runs. It supports following switches
                            -run-patt <patt> -target-patt <patt> -dumpmode <csv,json,plain-text>
  -list-test-time	  : list time requered to complete each test in a run. It following following arguments
                            -runname <patt> -target <patt> -dumpmode <csv,json,plain-text>
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			"-m"
			"-rerun"

			"-days"
			"-rename-run"
			"-to"
			"-dest"
                        "-source" 
                        "-time-stamp" 
			;; values and messages
			":category"
			":variable"
			":value"
			":expected"
			":tol"
			":units"
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                        "-src-runname"
                        "-diff-email"
			"-sync-to"			
			"-pgsync"
			"-kill-wait"    ;; wait this long before removing test (default is 10 sec)
                        "-diff-html"

			;; wizards, area capture, setup new ...
			"-extract-skeleton"
			)
 		 (list  "-h" "-help" "--help"
			"-manual"
			"-version"
		        "-force"
		        "-xterm"
		        "-showkeys"
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			"-logging"
			"-v" ;; verbose 2, more than normal (normal is 1)
			"-q" ;; quiet 0, errors/warnings only

                        "-diff-rep"

			"-syscheck"
			"-obfuscate"
			;; junk placeholder
			;; "-:p"
			
                        )
		 args:arg-hash
		 0))

;; Add args that use remargs here
;;
(if (and (not (null? remargs))
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			 (print path))
		       paths))))))

;;======================================================================
;; Archive tests
;;======================================================================
;; Archive tests matching target, runname, and testpatt
(if (args:get-arg "-archive")
(if (equal? (args:get-arg "-archive") "replicacte-db")
    (begin
          ;; check if source
          ;; check if megatest.db exist 
         (launch:setup)   
         (if (not (args:get-arg "-source"))
             (begin 
             (debug:print-info 1 *default-log-port* "Missing required argument -source <archive path>")
             (exit 1)))
         (if (common:file-exists? (conc  *toppath* "/megatest.db"))
             (begin  
               (debug:print-info 1 *default-log-port* "File " (conc  *toppath* "/megatest.db") " already exists. Please remove it before trying to replicate db")
               (exit 1)))
         (if (and (common:get-db-tmp-area) (> (length (directory   (common:get-db-tmp-area) #f)) 0))
           (begin
           (debug:print-info 1 *default-log-port* (common:get-db-tmp-area) " not empty. Please remove it before trying to replicate db")
           (exit 1)))    
          ;; check if timestamp 
          (let* ((source (args:get-arg "-source"))
                (src     (if (not (equal? (substring source 0 1) "/"))
                             (conc (current-directory) "/" source)
                             source))
                (ts (if (args:get-arg "-time-stamp")   (args:get-arg "-time-stamp") "latest")))
              (if  (common:directory-exists? src)
                  (begin 
                  (archive:restore-db src ts)
            (set! *didsomething* #t))
       (begin
         (debug:print-error 1 *default-log-port* "Path " source " not found")
         (exit 1))))))   
    ;; else do a general-run-call
   (if (and (args:get-arg "-archive") (not (equal? (args:get-arg "-archive") "replicacte-db"))) 
    (begin
      ;; for the archive get we need to preserve the starting dir as part of the target path
      (if (and (args:get-arg "-dest")
	       (not (equal? (substring (args:get-arg "-dest") 0 1) "/")))
	  (let ((newpath  (conc (current-directory) "/" (args:get-arg "-dest"))))
	    (debug:print-info 1 *default-log-port* "Preserving original path to destination, was " (args:get-arg "-dest") ", now " newpath)
	    (hash-table-set! args:arg-hash "-dest" newpath)))
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	   (else
	    (begin
	      (set! *db* dbstruct)
	      (import extras) ;; might not be needed
	      ;; (import csi)
	      (import readline)
	      (import apropos)
	      (import apimod)
	      (import rmtmod)
	      ;; (import (prefix sqlite3 sqlite3:)) ;; doesn't work ...

	      (if *use-new-readline*
		  (begin
		    (install-history-file (get-environment-variable "HOME") ".megatest_history") ;;  [homedir] [filename] [nlines])
		    (current-input-port (make-readline-port "megatest> ")))
		  (begin
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(if (args:get-arg "-syscheck")
    (begin
      (mutils:syscheck common:raw-get-remote-host-load
		       server:get-best-guess-address
		       read-config)
      (set! *didsomething* #t)))

(if (args:get-arg "-extract-skeleton")
    (let* ((toppath (launch:setup)))
      (genexample:extract-skeleton-area (args:get-arg "-extract-skeleton"))
      (set! *didsomething* #t)))

;;======================================================================
;; Exit and clean up
;;======================================================================

(if (not *didsomething*)
    (debug:print 0 *default-log-port* help)

Modified mtexec.scm from [63fcb68d27] to [6016ee8684].

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(use srfi-1 posix srfi-69 readline ;;  regex regex-case srfi-69 apropos json http-client directory-utils rpc typed-records;; (srfi 18) extras)
   srfi-19  srfi-18 extras format pkts regex regex-case
     (prefix dbi dbi:)
     )

;; (declare (uses common))
(declare (uses megatest-version))
(declare (uses margs))
(declare (uses configf))
;; (declare (uses rmt))

;; (use ducttape-lib)

(include "megatest-version.scm")
(include "megatest-fossil-hash.scm")

;; (require-library stml)

(define help (conc "
mtutil, part of the Megatest tool suite, documentation at http://www.kiatoa.com/fossils/megatest
  version " megatest-version "

Modified mtut.scm from [8133cd984a] to [bccf9738b0].

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;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
;;

;; (include "common.scm")
;; (include "megatest-version.scm")
(include "megatest-version.scm")

;; fake out readline usage of toplevel-command
(define (toplevel-command . a) #f)

(use srfi-1 posix srfi-69 readline ;;  regex regex-case srfi-69 apropos json http-client directory-utils rpc typed-records;; (srfi 18) extras)
   srfi-19  srfi-18 extras format regex regex-case
     (prefix dbi dbi:)
     (prefix sqlite3 sqlite3:)
     nanomsg)

(declare (uses common))
(declare (uses megatest-version))
(declare (uses margs))
(declare (uses configf))
;; (declare (uses rmt))

(import ducttape-lib pkts)

(include "megatest-fossil-hash.scm")

Modified pkts/pkts.scm from [d1cd1cb6f6] to [90f8c93eeb].

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;; schema is list of SQL statements - can be used to extend db with more tables
;;
(define (open-queue-db dbpath dbfile #!key (schema '()))
  (let* ((dbfname  (conc dbpath "/" dbfile))
	 (dbexists (if (file-exists? dbfname) #t (begin (create-directory dbpath #t) #f)))
	 (db       (dbi:open 'sqlite3 (list (cons 'dbname dbfname)))))
    ;; (set-busy-handler! db (busy-timeout 10000))
    ;; (set-busy-handler! (dbi:db-conn db) (busy-timeout 10000))
    (if (not dbexists) ;; NOTE: In the archive we allow duplicates and other messiness. 
	(for-each
	 (lambda (stmt)
	   (dbi:exec db stmt))
	 (cons "CREATE TABLE IF NOT EXISTS pkts
                          (id           INTEGER PRIMARY KEY,
                           group_id     INTEGER NOT NULL,

Added reindent.el version [9e7e328bbc].















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; Indenting module body code at column 0
(defun scheme-module-indent (state indent-point normal-indent) 0)
(put 'module 'scheme-indent-function 'scheme-module-indent)

(put 'and-let* 'scheme-indent-function 1)
(put 'parameterize 'scheme-indent-function 1)
(put 'handle-exceptions 'scheme-indent-function 1)
(put 'when 'scheme-indent-function 1)
(put 'unless 'scheme-indent-function 1)
(put 'match 'scheme-indent-function 1)
(put 'let-values 'scheme-indent-function 1)

;; do the work
(indent-region (point-min) (point-max) nil)

Modified rmt.scm from [6209f83b0d] to [8da01de566].

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(define (rmt:get-run-record-ids  target run keynames test-patt)
  (rmt:send-receive 'get-run-record-ids #f (list target run keynames test-patt)))

(define (rmt:get-changed-record-ids since-time)
  (rmt:send-receive 'get-changed-record-ids #f (list since-time)) )

(define (rmt:drop-all-triggers)
     (rmt:send-receive 'drop-all-triggers #f '()))

(define (rmt:create-all-triggers)
     (rmt:send-receive 'create-all-triggers #f '()))

;;======================================================================
;;  T E S T   M E T A 
;;======================================================================

(define (rmt:get-tests-tags)
  (rmt:send-receive 'get-tests-tags #f '()))

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;; (define (rmt:get-run-ids-matching keynames target res)
;;   (rmt:send-receive #f 'get-run-ids-matching (list keynames target res)))

(define (rmt:get-prereqs-not-met run-id waitons ref-test-name ref-item-path #!key (mode '(normal))(itemmaps #f))
  (rmt:send-receive 'get-prereqs-not-met run-id (list run-id waitons ref-test-name ref-item-path mode itemmaps)))

(define (rmt:get-count-tests-running-for-run-id run-id)
  (rmt:send-receive 'get-count-tests-running-for-run-id run-id (list run-id)))
(define (rmt:get-count-tests-running-for-run-id run-id fastmode)
  (rmt:send-receive 'get-count-tests-running-for-run-id run-id (list run-id fastmode)))

(define (rmt:get-not-completed-cnt run-id)
  (rmt:send-receive 'get-not-completed-cnt run-id (list run-id)))


;; Statistical queries

(define (rmt:get-count-tests-running run-id)
  (rmt:send-receive 'get-count-tests-running run-id (list run-id)))
(define (rmt:get-count-tests-running run-id fastmode)
  (rmt:send-receive 'get-count-tests-running run-id (list run-id fastmode)))

(define (rmt:get-count-tests-running-for-testname run-id testname)
  (rmt:send-receive 'get-count-tests-running-for-testname run-id (list run-id testname)))

(define (rmt:get-count-tests-running-in-jobgroup run-id jobgroup)
  (rmt:send-receive 'get-count-tests-running-in-jobgroup run-id (list run-id jobgroup)))

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(define (rmt:set-run-status run-id run-status #!key (msg #f))
  (rmt:send-receive 'set-run-status #f (list run-id run-status msg)))

(define (rmt:set-run-state-status run-id state status )
  (rmt:send-receive 'set-run-state-status #f (list run-id state status)))

(define (rmt:update-tesdata-on-repilcate-db old-lt new-lt)
(rmt:send-receive 'update-tesdata-on-repilcate-db #f (list old-lt new-lt)))

(define (rmt:update-run-event_time run-id)
  (rmt:send-receive 'update-run-event_time #f (list run-id)))

(define (rmt:get-runs-by-patt  keys runnamepatt targpatt offset limit fields last-runs-update  #!key  (sort-order "asc")) ;; fields of #f uses default
  (rmt:send-receive 'get-runs-by-patt #f (list keys runnamepatt targpatt offset limit fields last-runs-update sort-order)))

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(define (rmt:del-var varname)
  (rmt:send-receive 'del-var #f (list varname)))

(define (rmt:set-var varname value)
  (rmt:send-receive 'set-var #f (list varname value)))

(define (rmt:inc-var varname)
  (rmt:send-receive 'inc-var #f (list varname)))

(define (rmt:dec-var varname)
  (rmt:send-receive 'dec-var #f (list varname)))

(define (rmt:add-var varname value)
  (rmt:send-receive 'add-var #f (list varname value)))

;;======================================================================
;; M U L T I R U N   Q U E R I E S
;;======================================================================

;; Need to move this to multi-run section and make associated changes
(define (rmt:find-and-mark-incomplete-all-runs #!key (ovr-deadtime #f))
  (let ((run-ids (rmt:get-all-run-ids)))

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;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;======================================================================

(declare (unit rmtmod))
(declare (uses commonmod))
(declare (uses apimod))
;; (declare (uses apimod.import))
(declare (uses ulex))

;; (include "ulex/ulex.scm")

(module rmtmod
	*
	
(import scheme chicken data-structures extras)
(import (prefix sqlite3 sqlite3:) posix typed-records srfi-18)
(import (prefix commonmod cmod:))
(import commonmod)
(import apimod)
(import (prefix ulex ulex:))

;; Hack to make these functions visible to the refactored code, goal is to eliminate these over time.
(define (rmt:send-receive . params) #f)
(define (http-transport:close-connections . params) #f)
;; from remote defstruct in common.scm
(define (remote-conndat-set! . params) #f)
(define (remote-server-url-set! . params) #f)
(define (remote-ro-mode . params) #f)
(define (remote-ro-mode-set! . params) #f)
(define (remote-ro-mode-checked-set! . params) #f)
(define (remote-ro-mode-checked . params) #f)
(define (debug:print . params) #f)
(defstruct alldat
  (areapath #f)
  (ulexdat  #f)
  )

;; return the handle struct for sending queries to a specific database
;;  - initializes the connection object if this is the first access
;;    - finds the "captain" and asks who to talk to for the given dbfname
;;    - establishes the connection to the current dbowner
;;
#;(define (rmt:connect alldat dbfname dbtype)
  (let* ((ulexdat    (or (alldat-ulexdat alldat)
			 (rmt:setup-ulex alldat))))
    (ulex:connect ulexdat dbfname dbtype)))

;; setup the remote calls
#;(define (rmt:setup-ulex alldat)
(define (debug:print-info . params) #f)

(define (set-functions send-receive        rsus
		       close-connections   rcs
  (let* ((udata (ulex:setup))) ;; establish connection to ulex
    (alldat-ulexdat-set! alldat udata)
    ;; register all needed procs
    (ulex:register-handler udata 'ping cmod:get-full-version)  ;; override ping with get-full-version
    (ulex:register-handler udata 'login cmod:get-full-version) ;; force setup of the connection
    (ulex:register-handler udata 'execute api:execute-requests)
    udata))
		       dbgp                dbgpinfo
		       ro-mode             ro-mode-set
		       ro-mode-checked-set ro-mode-checked
		       ) 
  (set! rmt:send-receive                 send-receive)
  (set! remote-server-url-set!           rsus)

;; set up a connection to the current owner of the dbfile associated with rid
;; then send the query to that dbfile owner and wait for a response.
;;
#;(define (rmt:send-receive alldat cmd rid params #!key (attemptnum 1)(area-dat #f)) ;; start attemptnum at 1 so the modulo below works as expected
  (let* (;; (alldat   *alldat*)
  (set! http-transport:close-connections close-connections)
  (set! remote-conndat-set!              rcs)
  (set! debug:print                      dbgp)
  (set! debug:print-info                 dbgpinfo)
  (set! remote-ro-mode                   ro-mode)
  (set! remote-ro-mode-set!              ro-mode-set)
  (set! remote-ro-mode-checked-set!      ro-mode-checked-set)
  (set! remote-ro-mode-checked           ro-mode-checked))

	 (areapath (alldat-areapath alldat))
	 (dbtype   (if (or (not rid)(< rid 1)) ;; this is the criteria for "main.db"
		       "main" "runs"))
	 (dbfname  (if (equal? dbtype "main")
		       "main.db"
		       (conc rid ".db")))
	 (dbfile   (conc areapath "/.db/" dbfname))
	 (ulexconn (rmt:connect alldat dbfname dbtype))  ;; ulexconn is our new *runremote*, it is a dbowner struct < pdat lastrefresh >
	 (udata    (alldat-ulexdat alldat)))
    	(ulex:remote-request udata ulexconn 'immediate dbfile 'execute rid params)))
    ;; need to call this on the other side 
    ;; (api:execute-requests dbstruct-local (vector (symbol->string cmd) params))))
    
    #;(with-input-from-string
	(ulex:remote-request udata ulexconn 'immediate dbfile 'execute rid (with-output-to-string (lambda ()(serialize params))))
       (lambda ()(deserialize)))
)

Deleted rpc-transport.scm version [dd887f94ec].

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;; Copyright 2006-2012, Matthew Welland.
;; 
;; This file is part of Megatest.
;; 
;;     Megatest is free software: you can redistribute it and/or modify
;;     it under the terms of the GNU General Public License as published by
;;     the Free Software Foundation, either version 3 of the License, or
;;     (at your option) any later version.
;; 
;;     Megatest is distributed in the hope that it will be useful,
;;     but WITHOUT ANY WARRANTY; without even the implied warranty of
;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
;;

(require-extension (srfi 18) extras tcp s11n rpc)
(import (prefix rpc rpc:))

(use sqlite3 srfi-1 posix regex regex-case srfi-69 hostinfo md5 message-digest)
(import (prefix sqlite3 sqlite3:))

(declare (unit rpc-transport))

(declare (uses common))
(declare (uses db))
(declare (uses tests))
(declare (uses tasks)) ;; tasks are where stuff is maintained about what is running.

(include "common_records.scm")
(include "db_records.scm")

;; procstr is the name of the procedure to be called as a string
(define (rpc-transport:autoremote procstr params)
  (handle-exceptions
   exn
   (begin
     (debug:print 1 *default-log-port* "Remote failed for " proc " " params)
     (apply (eval (string->symbol procstr)) params))
   ;; (if *runremote*
   ;;    (apply (eval (string->symbol (conc "remote:" procstr))) params)
   (apply (eval (string->symbol procstr)) params)))

;; all routes though here end in exit ...
;;
;; start_server? 
;;
(define (rpc-transport:launch run-id)
  (let* ((tdbdat (tasks:open-db)))
    (BB> "rpc-transport:launch fired for run-id="run-id)
    (set! *run-id*   run-id)
    (if (args:get-arg "-daemonize")
        (daemon:ize))
    (if (server:check-if-running run-id)
        (begin
          (debug:print 0 *default-log-port* "INFO: Server for run-id " run-id " already running")
          (exit 0)))
    (let loop ((server-id (tasks:server-lock-slot (db:delay-if-busy tdbdat) run-id))
               (remtries  4))
      (if (not server-id)
          (if (> remtries 0)
              (begin
                (thread-sleep! 2)
                (loop (tasks:server-lock-slot (db:delay-if-busy tdbdat) run-id)
                      (- remtries 1)))
              (begin
                ;; since we didn't get the server lock we are going to clean up and bail out
                (debug:print-info 2 *default-log-port* "INFO: server pid=" (current-process-id) ", hostname=" (get-host-name) " not starting due to other candidates ahead in start queue")
                (tasks:server-delete-records-for-this-pid (db:delay-if-busy tdbdat) " rpc-transport:launch")))
          (begin
            (rpc-transport:run (if (args:get-arg "-server")(args:get-arg "-server") "-") run-id server-id)
            (exit))))))

(define (rpc-transport:run hostn run-id server-id)
  (debug:print 2 *default-log-port* "Attempting to start the rpc server ...")
   ;; (trace rpc:publish-procedure!)

  (rpc:publish-procedure! 'server:login server:login)
  (rpc:publish-procedure! 'testing (lambda () "Just testing"))

  (let* ((db              #f)
	 (hostname        (get-host-name))
	 (ipaddrstr       (let ((ipstr (if (string=? "-" hostn)
					   ;; (string-intersperse (map number->string (u8vector->list (hostname->ip hostname))) ".")
					   (server:get-best-guess-address hostname)
					   #f)))
			    (if ipstr ipstr hostn))) ;; hostname))) 
	 (start-port      (open-run-close tasks:server-get-next-port tasks:open-db))
	 (link-tree-path  (configf:lookup *configdat* "setup" "linktree"))
	 (rpc:listener    (rpc-transport:find-free-port-and-open (rpc:default-server-port)))
	 (th1             (make-thread
			   (lambda ()
			     ((rpc:make-server rpc:listener) #t))
			   "rpc:server"))
			   ;; (cute (rpc:make-server rpc:listener) "rpc:server")
			   ;; 'rpc:server))
	 (hostname        (if (string=? "-" hostn)
			      (get-host-name) 
			      hostn))
	 (ipaddrstr       (if (string=? "-" hostn)
			      (server:get-best-guess-address hostname) ;; (string-intersperse (map number->string (u8vector->list (hostname->ip hostname))) ".")
			      #f))
	 (portnum         (rpc:default-server-port))
	 (host:port       (conc (if ipaddrstr ipaddrstr hostname) ":" portnum))
	 (tdb             (tasks:open-db)))
    (thread-start! th1)
    (set! db *dbstruct-db*)
    (open-run-close tasks:server-set-interface-port 
		    tasks:open-db 
		    server-id 
		    ipaddrstr portnum)
    (debug:print 0 *default-log-port* "Server started on " host:port)
    
    ;; (trace rpc:publish-procedure!)
    ;; (rpc:publish-procedure! 'server:login server:login)
    ;; (rpc:publish-procedure! 'testing (lambda () "Just testing"))

    ;;======================================================================
    ;;	  ;; end of publish-procedure section
    ;;======================================================================
    ;;
    (on-exit (lambda ()
	       (open-run-close tasks:server-set-state! tasks:open-db server-id "stopped")))

    (set! *rpc:listener* rpc:listener)
    (tasks:server-set-state! tdb server-id "running")
    (set! *dbstruct-db*  (db:setup run-id))
    ;; if none running or if > 20 seconds since 
    ;; server last used then start shutdown
    (let loop ((count 0))
      (thread-sleep! 5) ;; no need to do this very often
      (let ((numrunning -1)) ;; (db:get-count-tests-running db)))
	(if (or (> numrunning 0)
		(> (+ *db-last-access* 60)(current-seconds)))
	    (begin
	      (debug:print-info 0 *default-log-port* "Server continuing, tests running: " numrunning ", seconds since last db access: " (- (current-seconds) *db-last-access*))
	      (loop (+ 1 count)))
	    (begin
	      (debug:print-info 0 *default-log-port* "Starting to shutdown the server side")
	      (open-run-close tasks:server-delete-record tasks:open-db server-id " rpc-transport:try-start-server stop")
	      (thread-sleep! 10)
	      (debug:print-info 0 *default-log-port* "Max cached queries was " *max-cache-size*)
	      (debug:print-info 0 *default-log-port* "Server shutdown complete. Exiting")
	      ))))))

(define (rpc-transport:find-free-port-and-open port)
  (handle-exceptions
   exn
	  (begin
     (print "Failed to bind to port " (rpc:default-server-port) ", trying next port")
     (rpc-transport:find-free-port-and-open (+ port 1)))
   (rpc:default-server-port port)
   (tcp-read-timeout 240000)
   (tcp-listen (rpc:default-server-port) 10000)))

(define (rpc-transport:ping run-id host port)
  (handle-exceptions
   exn
   (begin
     (print "SERVER_NOT_FOUND")
     (exit 1))
   (let ((login-res ((rpc:procedure 'server:login host port) *toppath*)))
     (if (and (list? login-res)
	      (car login-res))
	 (begin
	   (print "LOGIN_OK")
	   (exit 0))
	 (begin
	   (print "LOGIN_FAILED")
	   (exit 1))))))

(define (rpc-transport:client-setup run-id #!key (remtries 10))
  (if *runremote*
      (begin
	(debug:print-error 0 *default-log-port* "Attempt to connect to server but already connected")
	#f)
      (let* ((host-info (hash-table-ref/default *runremote* run-id #f))) ;; (open-run-close db:get-var #f "SERVER"))
	(if host-info
	    (let ((iface    (car host-info))
		  (port     (cadr host-info))
		  (ping-res ((rpc:procedure 'server:login host port) *toppath*)))
	      (if ping-res
		  (let ((server-dat (list iface port #f #f #f)))
		    (hash-table-set! *runremote* run-id server-dat)
		    server-dat)
		  (begin
		    (server:try-running *toppath*)
		    (thread-sleep! 2)
		    (rpc-transport:client-setup run-id (- remtries 1)))))
 	    (let* ((server-db-info (open-run-close tasks:get-server tasks:open-db run-id)))
 	      (debug:print-info 0 *default-log-port* "client:setup server-dat=" server-dat ", remaining-tries=" remaining-tries)
	      (if server-db-info
 		  (let* ((iface     (tasks:hostinfo-get-interface server-db-info))
 			 (port      (tasks:hostinfo-get-port      server-db-info))
			 (server-dat (list iface port #f #f #f))
 			 (ping-res  ((rpc:procedure 'server:login host port) *toppath*)))
 		    (if start-res
 			(begin
 			  (hash-table-set! *runremote* run-id server-dat)
			  server-dat)
			(begin
			  (server:try-running *toppath*)
			  (thread-sleep! 2)
			  (rpc-transport:client-setup run-id (- remtries 1)))))
		  (begin
		    (server:try-running *toppath*)
		    (thread-sleep! 2)
		    (rpc-transport:client-setup run-id (- remtries 1)))))))))
;; 
;; 	     (port     (if (and hostinfo (> (length hostdat) 1))(cadr hostdat) #f)))
;; 	(if (and port
;; 		 (string->number port))
;; 	    (let ((portn (string->number port)))
;; 	      (debug:print-info 2 *default-log-port* "Setting up to connect to host " host ":" port)
;; 	      (handle-exceptions
;; 	       exn
;; 	       (begin
;; 		 (debug:print-error 0 *default-log-port* "Failed to open a connection to the server at host: " host " port: " port)
;; 		 (debug:print 0 *default-log-port* "   EXCEPTION: " ((condition-property-accessor 'exn 'message) exn))
;; 		 ;; (open-run-close 
;; 		 ;;  (lambda (db . param) 
;; 		 ;;    (sqlite3:execute db "DELETE FROM metadat WHERE var='SERVER'"))
;; 		 ;;  #f)
;; 		 (set! *runremote* #f))
;; 	       (if (and (not (args:get-arg "-server")) ;; no point in the server using the server using the server
;; 			((rpc:procedure 'server:login host portn) *toppath*))
;; 		   (begin
;; 		     (debug:print-info 2 *default-log-port* "Logged in and connected to " host ":" port)
;; 		     (set! *runremote* (vector host portn)))
;; 		   (begin
;; 		     (debug:print-info 2 *default-log-port* "Failed to login or connect to " host ":" port)
;; 		     (set! *runremote* #f)))))
;; 	    (debug:print-info 2 *default-log-port* "no server available")))))

Modified runs.scm from [70ec443715] to [77a44f327a].

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(defstruct runs:dat
  reglen regfull
  runname max-concurrent-jobs run-id
  test-patts required-tests test-registry
  registry-mutex flags keyvals run-info all-tests-registry
  can-run-more-tests
  ((can-run-more-tests-count 0) : fixnum))

  ((can-run-more-tests-count 0) : fixnum)
  (last-fuel-check         0)  ;; time when we last checked fuel
  (beginning-of-time       (current-seconds))
  )

(defstruct runs:testdat
  hed tal reg reruns  test-record
  test-name item-path jobgroup
  waitons testmode  newtal itemmaps prereqs-not-met)

  
;; look in the $MT_RUN_AREA_HOME/.softlocks directory for key-host-pid.softlock files
;;  - remove any that are over 3600 seconds old
;;  - if there are any that are younger than 10 seconds
;;      * sleep 10 seconds
;;      * touch my key-host-pid.softlock file
;;      * return
;;  - if there are no files younger than 10 seconds
;;     * touch my key-host-pid.softlock file
;;     * return
;;  
(define (runs:wait-on-softlock rdat key)
  (if (not (and *toppath* (file-exists? *toppath*))) ;; don't seem to have toppath yet
      (debug:print-info 0 *default-log-port* "Can't create softlocks - don't see MTRAH yet.")
      (let* ((softlocks-dir (conc *toppath* "/.softlocks")))
	(if (not (file-exists? softlocks-dir))
	    (create-directory softlocks-dir #t))
	(let* ((my-lock-file   (conc softlocks-dir "/" key "-" (get-host-name) "-" (current-process-id) ".softlock"))
	       (lock-files     (filter (lambda (x)
					 (not (equal? x my-lock-file)))
				       (glob (conc softlocks-dir "/" key "*.softlock"))))
	       (fresh-locks    (any (lambda (x) ;; do we have any locks younger than 10 seconds
				      (let* ((mod-time (file-modification-time x))
					     (age      (- (current-seconds) mod-time)))
					(cond
					 ((> age 3600) ;; too old to keep, remove it
					  (delete-file* x) #f)
					 ((< age 10)  #t)
					 (else #f))))
				    lock-files)))
	  (if fresh-locks
	      (begin
		(if (runs:lownoise "runners-softlock-wait" 360)
		    (debug:print-info 0 *default-log-port* "Other runners in flight, giving up some time..."))
		(thread-sleep! 10))
	      (begin
		(if (runs:lownoise "runners-softlock-nowait" 360)
		    (debug:print-info 0 *default-log-port* "No runners in flight, updating softlock"))
		(let* ((ouf (open-output-file my-lock-file)))
		  (with-output-to-port ouf
		    (lambda ()(print (current-seconds))))
		  (close-output-port ouf))))
	  (runs:dat-last-fuel-check-set! rdat (current-seconds))))))
  
;; Fourth try, do accounting through time
;;
(define (runs:parallel-runners-mgmt rdat)
  (let ((time-to-check (configf:lookup-number *configdat* "runners" "time-to-check" default: 10)) ;; 28
	(time-to-wait  (configf:lookup-number *configdat* "runners" "time-to-wait" default: 30))
	(now-time      (current-seconds)))
    (if (> (- now-time (runs:dat-last-fuel-check rdat)) time-to-check) ;; time to check
	(runs:wait-on-softlock rdat "runners"))))

;; To test parallel-runners management start a repl:
;;  megatest -repl
;; then run:
;;  (runs:test-parallel-runners 60)
;;
(define (runs:test-parallel-runners duration #!optional (proc #f))
  (let* ((rdat   (make-runs:dat))
	 (rtime  0)
	 (startt (current-seconds))
	 (endt   (+ startt duration)))
    ((or proc runs:parallel-runners-mgmt) rdat)
    (let loop ()
      (let* ((wstart (current-seconds)))
	(if (< wstart endt)
	    (let* ((work-time (random 10)))
	      #;(debug:print-info 0 *default-log-port* "working for " work-time
				" seconds. Total work: " rtime ", elapsed time: " (- wstart startt))
	      (thread-sleep! work-time)
	      (set! rtime (+ rtime work-time))
	      ((or proc runs:parallel-runners-mgmt) rdat)
	      (loop)))))
    (let* ((done-time (current-seconds)))
      (debug:print-info 0 *default-log-port* "DONE: rtime=" rtime ", elapsed time=" (- done-time startt)
			", ratio=" (/ rtime (- done-time startt))))))

(define (runs:get-mt-env-alist run-id runname target testname itempath)
  ;;(bb-check-path msg: "runs:set-megatest-env-vars entry")
  `(("MT_TEST_NAME"     . ,testname)
    
    ("MT_ITEMPATH"      . ,itempath)

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         (cons  (car key) (cadr key)))
       (keys:target->keyval (rmt:get-keys) target))
    
    ,@(map (lambda (var)
             (let ((val (configf:lookup *configdat* "env-override" var)))
               (cons var val)))
           (configf:section-vars *configdat* "env-override"))))


    

    
    
;; set up needed environment variables given a run-id and optionally a target, itempath etc.
;;
(define (runs:set-megatest-env-vars run-id #!key (inkeys #f)(inrunname #f)(inkeyvals #f)(intarget #f)(testname #f)(itempath #f))
  ;;(bb-check-path msg: "runs:set-megatest-env-vars entry")
  (let* ((target    (or intarget 
			(common:args-get-target)
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		       ;; to cond clauses below where we determine we
		       ;; have too many jobs running rather than each
		       ;; time the and condition above is true (which
		       ;; seems like always)?
        	  ((> (runs:dat-can-run-more-tests-count runsdat) 20) ;; original intent was - save cycles, wait a long time
		   (if (runs:lownoise "waiting on tasks" 60)(debug:print-info 2 *default-log-port* "waiting for tasks to complete, sleeping briefly ..."))
		   10)  ;; obviously haven't had any work to do for a while
		  (else
		   ;; if have a number for inter-test-delay, use it, else don't delay much, maybe even zero?
		   (configf:lookup-number *configdat* "setup" "inter-test-delay" default: 0.01))))
		  (else 0)))
;;		   ;; if have a number for inter-test-delay, use it, else don't delay much, maybe even zero?
;;		   (configf:lookup-number *configdat* "setup" "inter-test-delay" default: 0.01)
;;		   )))
  
  (let* ((num-running             (rmt:get-count-tests-running run-id))
  (let* ((num-running             (rmt:get-count-tests-running run-id #f)) ;; fastmode=no
	 (num-running-in-jobgroup (rmt:get-count-tests-running-in-jobgroup run-id jobgroup))
	 (job-group-limit         (let ((jobg-count (configf:lookup *configdat* "jobgroups" jobgroup)))
				    (if (string? jobg-count)
					(string->number jobg-count)
					jobg-count))))
    (if (> (+ num-running num-running-in-jobgroup) 0)
	(runs:inc-can-run-more-tests-count runsdat)) ;; (set! *runs:can-run-more-tests-count* (+ *runs:can-run-more-tests-count* 1)))
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   run-info: #f
   runname: #f
   target: #f
   )
  )

(define (runs:incremental-print-results run-id)
  (let ((curr-sec (current-seconds)))
    (if (> (- curr-sec (runs:gendat-inc-results-last-update *runs:general-data*)) 5) ;; at least five seconds since last update
  (let ((curr-sec    (current-seconds))
	(last-update (runs:gendat-inc-results-last-update *runs:general-data*)))
    (if (> (- curr-sec last-update) 5) ;; at least five seconds since last update
	(let* ((run-dat  (or (runs:gendat-run-info *runs:general-data*)(rmt:get-run-info run-id)))
	       (runname  (or (runs:gendat-runname *runs:general-data*)
			     (db:get-value-by-header (db:get-rows run-dat)
						     (db:get-header run-dat) "runname")))
	       (target   (or (runs:gendat-target *runs:general-data*)(rmt:get-target run-id)))
	       (testsdat (let ((res (rmt:get-tests-for-run
				     run-id "%" '() '() ;; run-id testpatt states statuses
				     #f #f ;; offset limit
				     #f ;; not-in
				     #f ;; sort-by
				     #f ;; sort-order
				     #f ;; get full data (not 'shortlist)
				     (runs:gendat-inc-results-last-update *runs:general-data*) ;; last update time
				     last-update
				     'dashboard)))
			   (if (list? res)
			       res
			       (begin
				 (debug:print-error
				  0 *default-log-port*
				  "FAILED TO GET DATA using rmt:get-tests-for-run. Notify developers if you see this. result: " res)
				 '())))))
	  (runs:gendat-inc-results-last-update-set! *runs:general-data* (- curr-sec 1))
	  (if (not (runs:gendat-run-info *runs:general-data*))
	      (runs:gendat-run-info-set! *runs:general-data* run-dat))
	  (if (not (runs:gendat-runname  *runs:general-data*))
	      (runs:gendat-runname-set! *runs:general-data* runname))
	  (if (not (runs:gendat-target *runs:general-data*))
	      (runs:gendat-target-set! *runs:general-data* target))
	  (for-each
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			     state
			     status
			     dtime
			     (seconds->hr-min-sec duration)
			     (conc "lt/" target "/" runname "/" test-name (if (string-null? item-path) "" (conc "/" item-path))))
		     (hash-table-set! (runs:gendat-inc-results *runs:general-data*) (conc run-id "," test-id) testdat)))))
	   testsdat)))

    ;; I don't think this should be here? -- Matt
    (runs:gendat-inc-results-last-update-set! *runs:general-data* (- curr-sec 10))))
    #;(runs:gendat-inc-results-last-update-set! *runs:general-data* (- curr-sec 10))

    ))

;; every time though the loop increment the test/itempatt val.
;; when the min is > max-allowed and none running then force exit
;;
(define *max-tries-hash* (make-hash-table))

;;======================================================================
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				       ))
				   extras)
				  extras)
				'())))
	     (waitons     (delete-duplicates (append (tests:testqueue-get-waitons test-record) extra-waits) equal?))
	     (newtal      (append tal (list hed)))
	     (regfull     (>= (length reg) reglen))
	     (num-running (rmt:get-count-tests-running-for-run-id run-id))
	     (num-running (rmt:get-count-tests-running-for-run-id run-id #t)) ;; fastmode=yes
	     (testdat     (make-runs:testdat
			   hed: hed
			   tal: tal
			   reg: reg
			   reruns: reruns
			   test-record: test-record
			   test-name:   test-name
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		     "\n  waitons:     " waitons
		     "\n  num-retries: " num-retries
                     "\n  reruns:      " reruns
		     "\n  regfull:     " regfull
		     "\n  reglen:      " reglen
		     "\n  length reg:  " (length reg)
                     )

	(runs:parallel-runners-mgmt runsdat)

	;; check for hed in waitons => this would be circular, remove it and issue an
	;; error
	(if (member test-name waitons)
	    (begin
	      (debug:print-error 0 *default-log-port* "test " test-name " has listed itself as a waiton, please correct this!")
	      (set! waiton (filter (lambda (x)(not (equal? x hed))) waitons))))
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	 ))) ;; end loop on sorted test names
    ;; this is the point where everything is launched and now you can mark the run in metadata table as all launched 
    (rmt:set-var (conc "lunch-complete-" run-id) "yes")  
        
    ;; now *if* -run-wait we wait for all tests to be done
    ;; Now wait for any RUNNING tests to complete (if in run-wait mode)
    (thread-sleep! 10) ;; I think there is a race condition here. Let states/statuses settle
    (let wait-loop ((num-running      (rmt:get-count-tests-running-for-run-id run-id))
    (let wait-loop ((num-running      (rmt:get-count-tests-running-for-run-id run-id #t)) ;; fastmode=yes
		    (prev-num-running 0))
      ;; (debug:print-info 13 *default-log-port* "num-running=" num-running ", prev-num-running=" prev-num-running)
      (if (and (or (args:get-arg "-run-wait")
		   (equal? (configf:lookup *configdat* "setup" "run-wait") "yes"))
	       (> num-running 0))
	  (begin
	    ;; Here we mark any old defunct tests as incomplete. Do this every fifteen minutes
	    ;; (debug:print 0 *default-log-port* "Got here eh! num-running=" num-running " (> num-running 0) " (> num-running 0))
	    (if (> (current-seconds)(+ last-time-incomplete 900))
		(begin
		  (debug:print-info 0 *default-log-port* "Marking stuck tests as INCOMPLETE while waiting for run " run-id ". Running as pid " (current-process-id) " on " (get-host-name))
		  (set! last-time-incomplete (current-seconds))
		  (rmt:find-and-mark-incomplete run-id #f)))
		(let ((actual-num-running (rmt:get-count-tests-running-for-run-id run-id #f))) ;; fastmode=no
		  (debug:print-info 0 *default-log-port* "Marking stuck tests as INCOMPLETE while waiting for run " run-id
				    ". Running as pid " (current-process-id) " on " (get-host-name))
		  (set! last-time-incomplete (current-seconds)) ;; FIXME, this might be causing slow down - use of set!
		  (rmt:find-and-mark-incomplete run-id #f)
	    (if (not (eq? num-running prev-num-running))
		(debug:print-info 0 *default-log-port* "run-wait specified, waiting on " num-running " tests in RUNNING, REMOTEHOSTSTART or LAUNCHED state at " (time->string (seconds->local-time (current-seconds)))))
		  (debug:print-info 0 *default-log-port* "run-wait specified, waiting on " actual-num-running
				    " tests in RUNNING, REMOTEHOSTSTART or LAUNCHED state at "
				    (time->string (seconds->local-time (current-seconds))))))
	    (thread-sleep! 5)
	    ;; (wait-loop (rmt:get-count-tests-running-for-run-id run-id) num-running))))
	    (wait-loop (rmt:get-count-tests-running-for-run-id run-id) num-running))))
	    (wait-loop (rmt:get-count-tests-running-for-run-id run-id #t) ;; fastmode=yes
		       num-running))))
    ;; LET* ((test-record
    ;; we get here on "drop through". All done!
    ;; this is moved to runs:run-testes since this function is getting called twice to ensure everthing is completed. 
    ;; (debug:print-info 0 *default-log-port* "Calling Post Hook")    
    ;; (runs:run-post-hook run-id)
    (debug:print-info 1 *default-log-port* "All tests launched")))

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                   )
		       )))))
	 ))
     runs)
    ;; special case - archive get
    (if (equal? (args:get-arg "-archive") "get")
	(archive:bup-get-data "get" #f #f test-records rp-mutex bup-mutex))
    (if (or (equal? (args:get-arg "-archive") "save") (equal? (args:get-arg "-archive") "save-remove"))
        (begin 
             (print "db archive started")  
             (archive:megatest-db target runnamepatt)
             (print "db archived")))
    )
  #t
  )

(define (runs:remove-test-directory test mode) ;; remove-data-only)
  (let* ((run-dir       (db:test-get-rundir test))    ;; run dir is from the link tree
	 (real-dir      (if (common:file-exists? run-dir)

Modified server.scm from [b1a1de6e53] to [3e4e26900f].

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         ;; (dot-server-url (server:check-if-running areapath))
	 (curr-ip     (server:get-best-guess-address curr-host))
	 (curr-pid    (current-process-id))
	 (homehost    (common:get-homehost)) ;; configf:lookup *configdat* "server" "homehost" ))
	 (target-host (car homehost))
	 (testsuite   (common:get-testsuite-name))
	 (logfile     (conc areapath "/logs/server.log")) ;; -" curr-pid "-" target-host ".log"))
	 (profile-mode (or (configf:lookup *configdat* "misc" "profilesw")
			   ""))
	 (cmdln (conc (common:get-megatest-exe)
		      " -server " (or target-host "-") (if (equal? (configf:lookup *configdat* "server" "daemonize") "yes")
							   " -daemonize "
							   "")
		      ;; " -log " logfile
		      " -m testsuite:" testsuite)) ;; (conc " >> " logfile " 2>&1 &")))))
		      " -m testsuite:" testsuite
		      " " profile-mode
		      )) ;; (conc " >> " logfile " 2>&1 &")))))
	 (log-rotate  (make-thread common:rotate-logs  "server run, rotate logs thread"))
         (load-limit  (configf:lookup-number *configdat* "jobtools" "max-server-start-load" default: 3.0)))
    ;; we want the remote server to start in *toppath* so push there
    (push-directory areapath)
    (debug:print 0 *default-log-port* "INFO: Trying to start server (" cmdln ") ...")
    (thread-start! log-rotate)
    

Modified tcmt.scm from [679021e6ef] to [6658a745e5].

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(use trace)
;; (trace-call-sites #t)

(declare (uses margs))
(declare (uses rmt))
(declare (uses common))
(declare (uses megatest-version))
;; (declare (uses megatest-version))

(include "megatest-version.scm")
(include "megatest-fossil-hash.scm")
(include "db_records.scm")

(define origargs (cdr (argv)))
(define remargs (args:get-args
		 (argv)
		 `( "-target"

Modified tests.scm from [bf1af44b82] to [586c05ae4d].

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   (else ;; not waiting on items, waiting on entire waiton test.
    (let* ((patts (string-split test-patt ","))
           (new-patts (if (member waiton-test patts)
                          patts
                          (cons waiton-test patts))))
      (string-intersperse (delete-duplicates new-patts) ",")))))


  
(define *glob-like-match-cache* (make-hash-table))
(define (tests:cache-regexp str-in flag)
  (let* ((key (conc str-in flag)))
    (or (hash-table-ref/default *glob-like-match-cache* key #f)
	(let* ((newrx (regexp str-in flag)))
	  (hash-table-set! *glob-like-match-cache* key newrx)
	  newrx))))

;; tests:glob-like-match 
(define (tests:glob-like-match patt str) 
  (let ((like (substring-index "%" patt)))
    (let* ((notpatt  (equal? (substring-index "~" patt) 0))
	   (newpatt  (if notpatt (substring patt 1) patt))
	   (finpatt  (if like
			(string-substitute (regexp "%") ".*" newpatt #f)
			(string-substitute (regexp "\\*") ".*" newpatt #f)))
	   (res      #f))
  (let* ((like     (substring-index "%" patt))
	 (notpatt  (equal? (substring-index "~" patt) 0))
	 (newpatt  (if notpatt (substring patt 1) patt))
	 (finpatt  (if like
		       (string-substitute (regexp "%") ".*" newpatt #f)
		       (string-substitute (regexp "\\*") ".*" newpatt #f)))
	 (rx       (tests:cache-regexp finpatt (if like #t #f)))
	 (res      (string-match rx str)))
      ;; (print "tests:glob-like-match => notpatt: " notpatt ", newpatt: " newpatt ", finpatt: " finpatt)
      (set! res (string-match (regexp finpatt (if like #t #f)) str))
      (if notpatt (not res) res))))
    (if notpatt (not res) res)))

;; if itempath is #f then look only at the testname part
;;
(define (tests:match patterns testname itempath #!key (required '()))
  (if (string? patterns)
      (let ((patts (append (string-split patterns ",") required)))
	(if (null? patts) ;;; no pattern(s) means no match

Modified tree.scm from [ffabd357b5] to [5b84d6f782].

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(use sqlite3 srfi-1 posix regex regex-case srfi-69)
(import (prefix sqlite3 sqlite3:))

(declare (unit tree))
(declare (uses margs))
(declare (uses launch))
(declare (uses megatest-version))
;; (declare (uses megatest-version))
(declare (uses gutils))
(declare (uses db))
(declare (uses server))
;; (declare (uses synchash))
(declare (uses dcommon))

(include "megatest-version.scm")
(include "common_records.scm")
(include "db_records.scm")
(include "key_records.scm")

;;======================================================================
;; T R E E   S T U F F 
;;======================================================================

Added ulex.scm version [39353b5283].

























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;;======================================================================
;; Copyright 2019, Matthew Welland.
;; 
;; This file is part of Megatest.
;; 
;;     Megatest is free software: you can redistribute it and/or modify
;;     it under the terms of the GNU General Public License as published by
;;     the Free Software Foundation, either version 3 of the License, or
;;     (at your option) any later version.
;; 
;;     Megatest is distributed in the hope that it will be useful,
;;     but WITHOUT ANY WARRANTY; without even the implied warranty of
;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;======================================================================

(declare (unit ulex))
(declare (uses pkts))

(include "ulex/ulex.scm")

Added ulex/ulex.scm version [42b648b50c].













































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































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;; ulex: Distributed sqlite3 db
;;;
;; Copyright (C) 2018 Matt Welland
;; Redistribution and use in source and binary forms, with or without
;; modification, is permitted.
;;
;; THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
;; OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
;; WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
;; ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE
;; LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
;; CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
;; OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
;; BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
;; LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
;; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
;; USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
;; DAMAGE.

;;======================================================================
;; ABOUT:
;;   See README in the distribution at https://www.kiatoa.com/fossils/ulex
;; NOTES:
;;   Why sql-de-lite and not say, dbi?  - performance mostly, then simplicity.
;;
;;======================================================================

(use mailbox)

(module ulex
 *

(import scheme posix chicken data-structures ports extras files mailbox)
(import srfi-18 pkts matchable regex
	typed-records srfi-69 srfi-1
	srfi-4 regex-case
	(prefix sqlite3 sqlite3:)
	foreign
	tcp6
	;; ulex-netutil
	hostinfo
	)

;; make it a global? Well, it is local to area module

(define *captain-pktspec*
  `((captain (host     . h)
	     (port     . p)
	     (pid      . i)
	     (ipaddr   . a)
	     )
    #;(data   (hostname . h)  ;; sender hostname
	    (port     . p)  ;; sender port
	    (ipaddr   . a)  ;; sender ip
	    (hostkey  . k)  ;; sending host key - store info at server under this key
	    (servkey  . s)  ;; server key - this needs to match at server end or reject the msg
	    (format   . f)  ;; sb=serialized-base64, t=text, sx=sexpr, j=json
	    (data     . d)  ;; base64 encoded slln data
	    )))

;; struct for keeping track of our world

(defstruct udat
  ;; captain info
  (captain-address #f)
  (captain-host    #f)
  (captain-port    #f)
  (captain-pid     #f)
  (captain-lease   0)    ;; time (unix epoc) seconds when the lease is up
  (ulex-dir        (conc (get-environment-variable "HOME") "/.ulex"))
  (cpkts-dir       (conc (get-environment-variable "HOME") "/.ulex/pkts"))
  (cpkt-spec       *captain-pktspec*)
  ;; this processes info
  (my-cpkt-key     #f)   ;; put Z card here when I create a pkt for myself as captain
  (my-address      #f)
  (my-hostname     #f)
  (my-port         #f)
  (my-pid          (current-process-id))
  (my-dbs          '())
  ;; server and handler thread
  (serv-listener   #f)                 ;; this processes server info
  (handler-thread  #f)
  (mboxes          (make-hash-table))  ;; key => mbox
  ;; other servers
  (peers           (make-hash-table))  ;; host-port => peer record
  (dbowners        (make-hash-table))  ;; dbfile => host-port
  (handlers        (make-hash-table))  ;; dbfile => proc
  ;; (outgoing-conns  (make-hash-table))  ;; host:port -> conn
  (work-queue      (make-queue))       ;; most stuff goes here
  ;; (fast-queue      (make-queue))       ;; super quick stuff goes here (e.g. ping)
  (busy            #f)                 ;; is either of the queues busy, use to switch between queuing tasks or doing immediately
  ;; app info
  (appname         #f)
  (dbtypes         (make-hash-table))  ;; this should be an alist but hash is easier. dbtype => [ initproc syncproc ]
  ;; cookies
  (cnum            0) ;; cookie num
  )

;;======================================================================
;; NEW APPROACH
;;======================================================================

;;  start-server-find-port  ;; gotta have a server port ready from the very begining

;; udata    - all the connection info, captain, server, ulex db etc. MUST BE PASSED IN
;; dbpath   - full path and filename of the db to talk to or a symbol naming the db?
;; callname - the remote call to execute
;; params   - parameters to pass to the remote call
;;
(define (remote-call udata dbpath dbtype callname . params)
  (start-server-find-port udata) ;; ensure we have a local server
  (find-or-setup-captain udata)
  ;; look at connect, process-request, send, send-receive
  (let-values (((cookie-key host-port)(get-db-owner udata dbpath dbtype)))
    (send-receive udata host-port callname cookie-key params)))

;;======================================================================
;; KEY FUNCTIONS - THESE ARE TOO BE EXPOSED AND USED
;;======================================================================

;; connection setup and management functions

;; This is the basic setup command. Must always be
;; called before connecting to a db using connect.
;;
;; find or become the captain
;; setup and return a ulex object
;;
(define (find-or-setup-captain udata)
  ;; see if we already have a captain and if the lease is ok
  (if (and (udat-captain-address udata)
	   (udat-captain-port    udata)
	   (< (current-seconds) (udat-captain-lease udata)))
      udata
      (let* ((cpkts (get-all-captain-pkts udata)) ;; read captain pkts
	     (captn (get-winning-pkt cpkts)))
	(if captn
	    (let* ((port   (alist-ref 'port   captn))
		   (host   (alist-ref 'host   captn))
		   (ipaddr (alist-ref 'ipaddr captn))
		   (pid    (alist-ref 'pid    captn))
		   (Z      (alist-ref 'Z      captn)))
	      (udat-captain-address-set! udata ipaddr)
	      (udat-captain-host-set!    udata host)
	      (udat-captain-port-set!    udata port)
	      (udat-captain-pid-set!     udata pid)
	      (udat-captain-lease-set!   udata (+ (current-seconds) 10))
	      (let-values (((success pingtime)(ping udata (conc ipaddr ":" port))))
		(if success
		    udata
		    (begin
		      (print "Found unreachable captain at " ipaddr ":" port ", removing pkt")
		      (remove-captain-pkt udata captn)
		      (find-or-setup-captain udata))))
	      (begin
		(setup-as-captain udata)  ;; this saves the thread to captain-thread and starts the thread
		(find-or-setup-captain udata)))))))

;; connect to a specific dbfile
;;   - if already connected - return the dbowner host-port
;;   - ask the captain who to talk to for this db
;;   - put the entry in the dbowners hash as dbfile => host-port
;;
(define (connect udata dbfname dbtype)
  (or (hash-table-ref/default (udat-dbowners udata) dbfname #f)
      (let-values (((success dbowner-host-port)(get-db-owner udata dbfname dbtype)))
	(if success
	    (begin
	      ;; just clobber the record, this is the new data no matter what
	      (hash-table-set! (udat-dbowners udata) dbfname dbowner-host-port)
	      dbowner-host-port)
	    #f))))

;; returns: success pingtime
;;
;; NOTE: causes the callee to store the info on this host along with the dbs this host currently owns
;;
(define (ping udata host-port)
  (let* ((start  (current-milliseconds))
	 (cookie (make-cookie udata))
	 (dbs    (udat-my-dbs udata))
	 (msg    (string-intersperse dbs " "))
	 (res (send udata host-port 'ping cookie msg retval: #t))
	 (delta (- (current-milliseconds) start)))
    (values (equal? res cookie) delta)))

;; returns: success pingtime
;;
;; NOTE: causes all references to this worker to be wiped out in the
;; callee (ususally the captain)
;;
(define (goodbye-ping udata host-port)
  (let* ((start  (current-milliseconds))
	 (cookie (make-cookie udata))
	 (dbs    (udat-my-dbs udata))
	 (res (send udata host-port 'goodbye cookie "nomsg" retval: #t))
	 (delta (- (current-milliseconds) start)))
    (values (equal? res cookie) delta)))

(define (goodbye-captain udata)
  (let* ((host-port (udat-captain-host-port udata)))
    (if host-port
	(goodbye-ping udata host-port)
	(values #f -1))))

(define (get-db-owner udata dbname dbtype)
  (let* ((host-port (udat-captain-host-port udata)))
    (if host-port
	(let* ((cookie (make-cookie udata))
	       (msg    #f) ;; (conc dbname " " dbtype))
	       (params `(,dbname ,dbtype))
	       (res    (send udata host-port 'db-owner cookie msg
			     params: params retval: #t)))
	  (match (string-split res)
	    ((retcookie owner-host-port)
	     (values (equal? retcookie cookie) owner-host-port))))
	(values #f -1))))

;; called in ulex-handler to dispatch work, called on the workers side
;;     calls (proc params data)
;;     returns result with cookie
;;
;; pdat is the info of the caller, used to send the result data
;; prockey is key into udat-handlers hash dereferencing a proc
;; procparam is a first param handed to proc - often to do further derefrencing
;; NOTE: params is intended to be a list of strings, encoding on data
;;       is up to the user but data must be a single line
;;
(define (process-request udata pdat dbname cookie prockey procparam data)
  (let* ((dbrec (ulex-open-db udata dbname))     ;; this will be a dbconn record, looks for in udata first
	 (proc  (hash-table-ref udata prockey)))
    (let* ((result (proc dbrec procparam data)))
      result)))

;; remote-request - send to remote to process in process-request
;; uconn comes from a call to connect and can be used instead of calling connect again
;; uconn is the host-port to call
;; we send dbname to the worker so they know which file to open
;; data must be a string with no newlines, it will be handed to the proc
;; at the remote site unchanged. It is up to the user to encode/decode it's contents
;;
;;   rtype: immediate, read-only, normal, low-priority
;; 
(define (remote-request udata uconn rtype dbname prockey procparam data)
  (let* ((cookie    (make-cookie udata)))
    (send-receive udata uconn rtype cookie data `(,prockey procparam))))

(define (ulex-open-db udata dbname)
  #f)


;;======================================================================
;; Ulex db
;;
;;   - track who is captain, lease expire time
;;   - track who owns what db, lease
;;
;;======================================================================

;;
;;
(define (ulex-dbfname)
  (let ((dbdir (conc (get-environment-variable "HOME") "/.ulex")))
    (if (not (file-exists? dbdir))
	(create-directory dbdir #t))
    (conc dbdir "/network.db")))
	 
;; always goes in ~/.ulex/network.db
;; role is captain, adjutant, node
;;
(define (ulexdb-setup)
  (let* ((dbfname (ulex-dbfname))
	 (have-db (file-exists? dbfname))
	 (db      (sqlite3:open-database dbfname)))
    (sqlite3:set-busy-handler! db (sqlite3:make-busy-timeout 136000))
    (sqlite3:execute db "PRAGMA synchronous = 0;")
    (if (not have-db)
	(sqlite3:with-transaction
	 db
	 (lambda ()
	   (for-each
	    (lambda (stmt)
	      (if stmt (sqlite3:execute db stmt)))
	    `("CREATE TABLE IF NOT EXISTS nodes
                 (id INTEGER PRIMARY KEY,
                  role  TEXT NOT NULL,
                  host  TEXT NOT NULL,
                  port TEXT NOT NULL,
                  ipadr TEXT NOT NULL,
                  pid   INTEGER NOT NULL,
                  zcard TEXT NOT NULL,
                  regtime INTEGER DEFAULT (strftime('%s','now')),
                  lease_thru INTEGER DEFAULT (strftime('%s','now')),
                  last_update INTEGER DEFAULT (strftime('%s','now')));"
	      "CREATE TRIGGER  IF NOT EXISTS update_nodes_trigger AFTER UPDATE ON nodes
                             FOR EACH ROW
                               BEGIN 
                                 UPDATE nodes SET last_update=(strftime('%s','now'))
                                   WHERE id=old.id;
                               END;"
	      "CREATE TABLE IF NOT EXISTS dbs
                 (id INTEGER PRIMARY KEY,
                  dbname TEXT NOT NULL,
                  dbfile TEXT NOT NULL,
                  dbtype TEXT NOT NULL,
                  host_port TEXT NOT NULL,
                  regtime INTEGER DEFAULT (strftime('%s','now')),
                  lease_thru INTEGER DEFAULT (strftime('%s','now')),
                  last_update INTEGER DEFAULT (strftime('%s','now')));"
	      "CREATE TRIGGER  IF NOT EXISTS update_dbs_trigger AFTER UPDATE ON dbs
                             FOR EACH ROW
                               BEGIN 
                                 UPDATE dbs SET last_update=(strftime('%s','now'))
                                   WHERE id=old.id;
                               END;")))))
    db))

(define (get-host-port-lease db dbfname)
  (sqlite3:fold-row
   (lambda (rem host-port lease-thru)
     (list host-port lease-thru))
   #f db "SELECT host_port,lease_thru FROM dbs WHERE dbfile = ?" dbfname))
  
(define (register-captain db host ipadr port pid zcard #!key (lease 20))
  (let* ((dbfname (ulex-dbfname))
	 (host-port  (conc host ":" port)))
    (sqlite3:with-transaction
     db
     (lambda ()
       (match (get-host-port-lease db dbfname)
	 ((host-port lease-thru)
	  (if (> (current-seconds) lease-thru)
	      (begin
		(sqlite3:execute db "UPDATE dbs SET host_port=?,lease_thru=? WHERE dbname=?"
				 (conc host ":" port)
				 (+ (current-seconds) lease)
				 dbfname)
		#t)
	      #f))
	 (#f  (sqlite3:execute db "INSERT INTO dbs (dbname,dbfile,dbtype,host_port,lease_thru) VALUES (?,?,?,?,?)"
			       "captain" dbfname "captain" host-port (+ (current-seconds) lease)))
	 (else (print "ERROR: Unrecognised result from fold-row")
	       (exit 1)))))))
							    
;;======================================================================
;; network utilities
;;======================================================================

(define (rate-ip ipaddr)
  (regex-case ipaddr
    ( "^127\\..*" _ 0 )
    ( "^(10\\.0|192\\.168)\\..*" _ 1 )
    ( else 2 ) ))

;; Change this to bias for addresses with a reasonable broadcast value?
;;
(define (ip-pref-less? a b)
  (> (rate-ip a) (rate-ip b)))
  

(define (get-my-best-address)
  (let ((all-my-addresses (get-all-ips))
        ;;(all-my-addresses-old (vector->list (hostinfo-addresses (hostname->hostinfo (get-host-name)))))
        )
    (cond
     ((null? all-my-addresses)
      (get-host-name))                                          ;; no interfaces?
     ((eq? (length all-my-addresses) 1)
      (car all-my-addresses))                      ;; only one to choose from, just go with it
     
     (else
      (car (sort all-my-addresses ip-pref-less?)))
     ;; (else 
     ;;  (ip->string (car (filter (lambda (x)                      ;; take any but 127.
     ;;    			 (not (eq? (u8vector-ref x 0) 127)))
     ;;    		       all-my-addresses))))

     )))

(define (get-all-ips-sorted)
  (sort (get-all-ips) ip-pref-less?))

(define (get-all-ips)
  (map ip->string (vector->list 
		   (hostinfo-addresses
		    (host-information (current-hostname))))))

(define (udat-my-host-port udata)
  (if (and (udat-my-address udata)(udat-my-port udata))
      (conc (udat-my-address udata) ":" (udat-my-port udata))
      #f))

(define (udat-captain-host-port udata)
  (if (and (udat-captain-address udata)(udat-captain-port udata))
      (conc (udat-captain-address udata) ":" (udat-captain-port udata))
      #f))

(define (udat-get-peer udata host-port)
  (hash-table-ref/default (udat-peers udata) host-port #f))

;; struct for keeping track of others we are talking to

(defstruct peer
  (addr-port       #f)
  (hostname        #f)
  (pid             #f)
  ;; (inp             #f)
  ;; (oup             #f)
  (dbs            '()) ;; list of databases this peer is currently handling
  )

(defstruct work
  (peer-dat   #f)
  (handlerkey #f)
  (qrykey     #f)
  (data       #f)
  (start      (current-milliseconds)))

#;(defstruct dbowner
  (pdat        #f)
  (last-update (current-seconds)))

;;======================================================================
;; Captain functions
;;======================================================================

;; NB// This needs to be started in a thread
;;
;; setup to be a captain
;;   - local server MUST be started already
;;   - create pkt
;;   - start server port handler
;;
(define (setup-as-captain udata)
  (if (create-captain-pkt udata)
      (let* ((my-addr (udat-my-address udata))
	     (my-port (udat-my-port    udata))
	     (th (make-thread (lambda ()
				(ulex-handler-loop udata)) "Captain handler")))
	(udat-handler-thread-set! udata th)
	(udat-captain-address-set! udata my-addr)
	(udat-captain-port-set!    udata my-port)
	(thread-start! th))
      (begin
	(print "ERROR: failed to create captain pkt")
	#f)))

;; given a pkts dir read 
;;
(define (get-all-captain-pkts udata)
  (let* ((pktsdir       (let ((d (udat-cpkts-dir udata)))
			  (if (file-exists? d)
			      d
			      (begin
				(create-directory d #t)
				d))))
	 (all-pkt-files (glob (conc pktsdir "/*.pkt")))
	 (pkt-spec      (udat-cpkt-spec udata)))
    (map (lambda (pkt-file)
	   (read-pkt->alist pkt-file pktspec: pkt-spec))
	 all-pkt-files)))

;; sort by D then Z, return one, choose the oldest then
;; differentiate if needed using the Z key
;;l
(define (get-winning-pkt pkts)
  (if (null? pkts)
      #f
      (car (sort pkts (lambda (a b)
			(let ((ad (string->number (alist-ref 'D a)))
			      (bd (string->number (alist-ref 'D b))))
			  (if (eq? a b)
			      (let ((az (alist-ref 'Z a))
				    (bz (alist-ref 'Z b)))
				(string>=? az bz))
			      (> ad bd))))))))

;; put the host, ip, port and pid into a pkt in
;; the captain pkts dir
;;  - assumes user has already fired up a server
;;    which will be in the udata struct
;;
(define (create-captain-pkt udata)
  (if (not (udat-serv-listener udata))
      (begin
	(print "ERROR: create-captain-pkt called with out a listener")
	#f)
      (let* ((pktdat `((port   . ,(udat-my-port udata))
		       (host   . ,(udat-my-hostname udata))
		       (ipaddr . ,(udat-my-address udata))
		       (pid    . ,(udat-my-pid     udata))))
	     (pktdir  (udat-cpkts-dir udata))
	     (pktspec (udat-cpkt-spec udata))
	     )
	(udat-my-cpkt-key-set!
	 udata
	 (write-alist->pkt
	  pktdir
	  pktdat
	  pktspec: pktspec
	  ptype:   'captain))
	(udat-my-cpkt-key udata))))

;; remove pkt associated with captn (the Z key .pkt)
;;
(define (remove-captain-pkt udata captn)
  (let ((Z       (alist-ref 'Z captn))
	(cpktdir (udat-cpkts-dir udata)))
    (delete-file* (conc cpktdir "/" Z ".pkt"))))

;; call all known peers and tell them to delete their info on the captain
;; thus forcing them to re-read pkts and connect to a new captain
;; call this when the captain needs to exit and if an older captain is
;; detected. Due to delays in sending file meta data in NFS multiple
;; captains can be initiated in a "Storm of Captains", book soon to be
;; on Amazon
;;
(define (drop-captain udata)
  (let* ((peers (hash-table-keys (udat-peers udata)))
	 (cookie (make-cookie udata)))
    (for-each
     (lambda (host-port)
       (send udata host-port 'dropcaptain cookie "nomsg" retval: #t))
     peers)))

;;======================================================================
;; server primitives
;;======================================================================

(define (make-cookie udata)
  (let ((newcnum (+ (udat-cnum udata) 1)))
    (udat-cnum-set! udata newcnum)
    (conc (udat-my-address udata) ":"
	  (udat-my-port    udata) "-"
	  (udat-my-pid     udata) "-"
	  newcnum)))

;; create a tcp listener and return a populated udat struct with
;; my port, address, hostname, pid etc.
;; return #f if fail to find a port to allocate.
;;
;;  if udata-in is #f create the record
;;  if there is already a serv-listener return the udata
;;
(define (start-server-find-port udata-in #!optional (port 4242))
  (let ((udata (or udata-in (make-udat))))
    (if (udat-serv-listener udata) ;; TODO - add check that the listener is alive and ready?
	udata
	(handle-exceptions
	    exn
	  (if (< port 65535)
	      (start-server-find-port udata (+ port 1))
	      #f)
	  (connect-server udata port)))))

(define (connect-server udata port)
  ;; (tcp-listener-socket LISTENER)(socket-name so)
  ;; sockaddr-address, sockaddr-port, sockaddr->string
  (let* ((tlsn (tcp-listen port 1000 #f)) ;; (tcp-listen TCPPORT [BACKLOG [HOST]])
	 (addr (get-my-best-address))) ;; (hostinfo-addresses (host-information (current-hostname)))
    (udat-my-address-set!    udata addr)
    (udat-my-port-set!       udata port)
    (udat-my-hostname-set!   udata (get-host-name))
    (udat-serv-listener-set! udata tlsn)
    udata))

(define (get-peer-dat udata host-port #!optional (hostname #f)(pid #f))
  (let* ((pdat (or (udat-get-peer udata host-port)
		   (handle-exceptions ;; ERROR - MAKE THIS EXCEPTION HANDLER MORE SPECIFIC
		    exn
		    #f
		    (let ((npdat (make-peer addr-port: host-port)))
		      (if hostname (peer-hostname-set! npdat hostname))
		      (if pid (peer-pid-set! npdat pid))
		      npdat)))))
    pdat))

;; send structured data to recipient
;;
;;  NOTE: qrykey is what was called the "cookie" previously
;;
;;     retval tells send to expect and wait for return data (one line) and return it or time out
;;       this is for ping where we don't want to necessarily have set up our own server yet.
;;
(define (send udata host-port handler qrykey data
	      #!key (hostname #f)(pid #f)(params '())(retval #f))
  (let* ((my-host-port (udat-my-host-port udata))
	 (isme         (equal? host-port my-host-port)) ;; am I calling
							;; myself?
	 (dat          (list
			handler              ;; " "
			my-host-port         ;; " "
			(udat-my-pid  udata) ;; " "
			qrykey
			params ;;(if (null? params) "" (conc " "
			       ;;(string-intersperse params " ")))
			)))
    ;; (print "send isme is " (if isme "true!" "false!") ",
    ;; my-host-port: " my-host-port ", host-port: " host-port)
    (if isme
	(ulex-handler udata dat data)
	(handle-exceptions ;; ERROR - MAKE THIS EXCEPTION HANDLER MORE
			   ;; SPECIFIC
	    exn
	    #f 
	  (let-values (((inp oup)(tcp-connect host-port)))
	    ;;
	    ;; CONTROL LINE:
	    ;;    handlerkey host:port pid qrykey params ...
	    ;;
	    (let ((res
		   (if (and inp oup)
		       (let* ()
			 (if my-host-port
			     (begin
			       (write dat  oup)
			       (write data oup) ;; send as sexpr
			       ;; (print "Sent dat: " dat " data: " data)
			       (if retval
				   (read inp)
				   #t))
			     (begin
			       (print "ERROR: send called but no receiver has been setup. Please call setup first!")
			       #f))
			 ;; NOTE: DO NOT BE TEMPTED TO LOOK AT ANY DATA ON INP HERE!
			 ;;       (there is a listener for handling that)
			 )
		       #f))) ;; #f means failed to connect and send
	      (close-input-port inp)
	      (close-output-port oup)
	      res))))))

;; send a request to the given host-port and register a mailbox in udata
;; wait for the mailbox data and return it
;;
(define (send-receive udata host-port handler qrykey data #!key (hostname #f)(pid #f)(params '())(timeout 20))
  (let ((mbox      (make-mailbox))
	(mbox-time (current-milliseconds))
	(mboxes    (udat-mboxes udata)))
    (hash-table-set! mboxes qrykey mbox)
    (if (send udata host-port handler qrykey data hostname: hostname pid: pid params: params)
	(let* ((mbox-timeout-secs    timeout)
	       (mbox-timeout-result 'MBOX_TIMEOUT)
	       (res                  (mailbox-receive! mbox mbox-timeout-secs mbox-timeout-result))
	       (mbox-receive-time    (current-milliseconds)))
	  (hash-table-delete! mboxes qrykey)
	  (if (eq? res 'MBOX_TIMEOUT)
	      #f
	      res))
	#f))) ;; #f means failed to communicate

;; 
(define (ulex-handler udata controldat data)
  (print "controldat: " controldat " data: " data)
  (match controldat ;;  (string-split controldat)
    ((handlerkey host-port pid qrykey params ...)
     ;; (print "handlerkey: " handlerkey " host-port: " host-port " pid: " pid " qrykey: " qrykey " params: " params)
     (case handlerkey ;; (string->symbol handlerkey)
       ((ack)(print "Got ack!"))
       ((ping) ;; special case - return result immediately on the same connection
	(let* ((proc  (hash-table-ref/default (udat-handlers udata) 'ping #f))
	       (val   (if proc (proc) "gotping"))
	       (peer  (make-peer addr-port: host-port pid: pid))
	       (dbshash (udat-dbowners udata)))
	  (peer-dbs-set! peer params) ;; params for ping is list of dbs owned by pinger
	  (for-each (lambda (dbfile)
		      (hash-table-set! dbshash dbfile host-port)) ;; WRONG?
		    params) ;; register each db in the dbshash
	  (if (not (hash-table-exists? (udat-peers udata) host-port))
	      (hash-table-set! (udat-peers udata) host-port peer)) ;; save the details of this caller in peers
	  qrykey)) ;; End of ping
       ((goodbye)
	;; remove all traces of the caller in db ownership etc.
	(let* ((peer  (hash-table-ref/default (udat-peers udata) host-port #f))
	       (dbs   (if peer (peer-dbs peer) '()))
	       (dbshash (udat-dbowners udata)))
	  (for-each (lambda (dbfile)(hash-table-delete! dbshash dbfile)) dbs)
	  (hash-table-delete! (udat-peers udata) host-port)
	  qrykey))
       ((dropcaptain)
	;; remove all traces of the captain
	(udat-captain-address-set! udata #f)
	(udat-captain-host-set!    udata #f)
	(udat-captain-port-set!    udata #f)
	(udat-captain-pid-set!     udata #f)
	qrykey)
       ((rucaptain) ;; remote is asking if I'm the captain
	(if (udat-my-cpkt-key udata) "yes" "no"))
       ((db-owner) ;; given a db name who do I send my queries to
	;; look up the file in handlers, if have an entry ping them to be sure
	;; they are still alive and then return that host:port.
	;; if no handler found or if the ping fails pick from peers the oldest that
	;; is managing the fewest dbs
	(match params
	  ((dbfile dbtype)
	   (let* ((owner-host-port (hash-table-ref/default (udat-dbowners udata) dbfile #f)))
	     (if owner-host-port
		 (conc qrykey " " owner-host-port)
		 (let* ((pdat (or (hash-table-ref/default (udat-peers udata) host-port #f) ;; no owner - caller gets to own it!
				  (make-peer addr-port: host-port pid: pid dbs: `(,dbfile)))))
		   (hash-table-set! (udat-peers udata) host-port pdat)
		   (hash-table-set! (udat-dbowners udata) dbfile host-port)
		   (conc qrykey " " host-port)))))
	  (else (conc qrykey " BADDATA"))))
       ;; for work items:
       ;;    handler is one of; immediate, read-only, read-write, high-priority
       ((immediate read-only normal low-priority) ;; do this work immediately
	;; host-port (caller), pid (caller), qrykey (cookie), params <= all from first line
	;; data => a single line encoded however you want, or should I build json into it?
	(print "handlerkey=" handlerkey)
	(let* ((pdat (get-peer-dat udata host-port)))
	  (match params ;; dbfile prockey procparam
	    ((dbfile prockey procparam)
	     (case handlerkey
	       ((immediate read-only)
		(process-request udata pdat dbfile qrykey prockey procparam data))
	       ((normal low-priority) ;; split off later and add logic to support low priority
		(add-to-work-queue udata pdat dbfile qrykey prockey procparam data))
	       (else
		#f)))
	    (else
	     (print "INFO: params=" params " handlerkey=" handlerkey " controldat=" controldat)
	     #f))))
       (else
	;; (add-to-work-queue udata (get-peer-dat udata host-port) handlerkey qrykey data)
	#f)))
    (else
     (print "BAD DATA? controldat=" controldat " data=" data)
     #f)));; handles the incoming messages and dispatches to queues

;;
(define (ulex-handler-loop udata)
  (let* ((serv-listener (udat-serv-listener udata)))
    ;; data comes as two lines
    ;;   handlerkey resp-addr:resp-port hostname pid qrykey [dbpath/dbfile.db]
    ;;   data
    (let loop ((state 'start))
      (let-values (((inp oup)(tcp-accept serv-listener)))
	(let* ((controldat (read inp))
	       (data       (read inp))
	       (resp       (ulex-handler udata controldat data)))
	  (if resp (write resp oup))
	  (close-input-port inp)
	  (close-output-port oup))
	(loop state)))))

;; add a proc to the handler list, these are done symetrically (i.e. in all instances)
;; so that the proc can be dereferenced remotely
;;
(define (register-handler udata key proc)
  (hash-table-set! (udat-handlers udata) key proc))


;;======================================================================
;; work queues
;;======================================================================

(define (add-to-work-queue udata peer-dat handlerkey qrykey data)
  (let ((wdat (make-work peer-dat: peer-dat handlerkey: handlerkey qrykey: qrykey data: data)))
    (if (udat-busy udata)
	(queue-add! (udat-work-queue udata) wdat)
	(process-work udata wdat)) ;; passing in wdat tells process-work to first process the passed in wdat
    ))

(define (do-work udata wdat)
  #f)

(define (process-work udata #!optional wdat)
  (if wdat (do-work udata wdat)) ;; process wdat
  (let ((wqueue (udat-work-queue udata)))
    (if (not (queue-empty? wqueue))
	(let loop ((wd (queue-remove! wqueue)))
	  (do-work udata wd)
	  (if (not (queue-empty? wqueue))
	      (loop (queue-remove! wqueue)))))))

;;======================================================================
;; Generic db handling
;;   setup a inmem db instance
;;   open connection to on-disk db
;;   sync on-disk db to inmem
;;   get lock in on-disk db for dbowner of this db
;;   put sync-proc, init-proc, on-disk handle, inmem handle in dbconn stuct
;;   return the stuct
;;======================================================================

(defstruct dbconn
  (fname  #f)
  (inmem  #f)
  (conn   #f)
  (sync   #f) ;; sync proc
  (init   #f) ;; init proc
  (lastsync (current-seconds))
  )

(defstruct dbinfo
  (initproc #f)
  (syncproc #f))

;; open inmem and disk database
;;   init with initproc
;;   return db struct
;;
;;   appname; megatest, ulex or something else.
;;
(define (setup-db-connection udata fname-in appname dbtype)
  (let* ((is-ulex (eq? appname 'ulex))
	 (dbinf   (if is-ulex ;; ulex is a built-in special case
		      (make-dbinfo initproc: ulexdb-init syncproc: ulexdb-sync)
		      (hash-table-ref/default (udat-dbtypes udata) dbtype #f)))
	 (initproc (dbinfo-initproc dbinf))
	 (syncproc (dbinfo-syncproc dbinf))
	 (fname   (if is-ulex
		      (conc (udat-ulex-dir udata) "/ulex.db")
		      fname-in))
	 (inmem-db (open-and-initdb udata #f 'inmem (dbinfo-initproc dbinf)))
	 (disk-db  (open-and-initdb udata fname 'disk (dbinfo-initproc dbinf))))
    (make-dbconn inmem: inmem-db conn: disk-db sync: syncproc init: initproc)))

;; dest='inmem or 'disk
;;
(define (open-and-initdb udata filename dest init-proc)
  (let* ((inmem    (eq? dest 'inmem))
	 (dbfile   (if inmem
		       ":INMEM:"
		       filename))
	 (dbexists (if inmem #t (file-exists? dbfile)))
	 (db       (sqlite3:open-database dbfile)))
    (sqlite3:set-busy-handler! db (sqlite3:make-busy-timeout 136000))
    (if (not dbexists)
	(init-proc db))
    db))


;;======================================================================
;; Previous Ulex db stuff
;;======================================================================

(define (ulexdb-init db inmem)
  (sqlite3:with-transaction
   db
   (lambda ()
     (for-each
      (lambda (stmt)
	(if stmt (sqlite3:execute db stmt)))
      `("CREATE TABLE IF NOT EXISTS processes 
                 (id INTEGER PRIMARY KEY,
                  host  TEXT NOT NULL,
                  ipadr TEXT NOT NULL,
                  port  INTEGER NOT NULL,
                  pid   INTEGER NOT NULL,
                  regtime INTEGER DEFAULT (strftime('%s','now')),
                  last_update INTEGER DEFAULT (strftime('%s','now')));"
	(if inmem
	    "CREATE TRIGGER  IF NOT EXISTS update_proces_trigger AFTER UPDATE ON processes
                             FOR EACH ROW
                               BEGIN 
                                 UPDATE processes SET last_update=(strftime('%s','now'))
                                   WHERE id=old.id;
                               END;"
	    #f))))))

;; open databases, do initial sync
(define (ulexdb-sync dbconndat udata)
  #f)


) ;; END OF ULEX


;;; ;;======================================================================
;;; ;; D E B U G   H E L P E R S
;;; ;;======================================================================
;;;     
;;; (define (dbg> . args)
;;;   (with-output-to-port (current-error-port)
;;;     (lambda ()
;;;       (apply print "dbg> " args))))
;;; 
;;; (define (debug-pp . args)
;;;   (if (get-environment-variable "ULEX_DEBUG")
;;;       (with-output-to-port (current-error-port)
;;; 	(lambda ()
;;; 	  (apply pp args)))))
;;; 
;;; (define *default-debug-port* (current-error-port))
;;; 
;;; (define (sdbg> fn stage-name stage-start stage-end start-time . message)
;;;   (if (get-environment-variable "ULEX_DEBUG")
;;;       (with-output-to-port *default-debug-port* 
;;; 	(lambda ()
;;; 	  (apply print "ulex:" fn " " stage-name " took " (- (if stage-end stage-end (current-milliseconds)) stage-start) " ms. "
;;; 		 (if start-time
;;; 		     (conc "total time " (- (current-milliseconds) start-time)
;;; 			   " ms.")
;;; 		     "")
;;; 		 message
;;; 		 )))))

;;======================================================================
;; M A C R O S
;;======================================================================
;; iup callbacks are not dumping the stack, this is a work-around
;;

;; Some of these routines use:
;;
;;     http://www.cs.toronto.edu/~gfb/scheme/simple-macros.html
;;
;; Syntax for defining macros in a simple style similar to function definiton,
;;  when there is a single pattern for the argument list and there are no keywords.
;;
;; (define-simple-syntax (name arg ...) body ...)
;;
;; 
;; (define-syntax define-simple-syntax
;;   (syntax-rules ()
;;     ((_ (name arg ...) body ...)
;;      (define-syntax name (syntax-rules () ((name arg ...) (begin body ...)))))))
;; 
;; (define-simple-syntax (catch-and-dump proc procname)
;;   (handle-exceptions
;;    exn
;;    (begin
;;      (print-call-chain (current-error-port))
;;      (with-output-to-port (current-error-port)
;;        (lambda ()
;;          (print ((condition-property-accessor 'exn 'message) exn))
;;          (print "Callback error in " procname)
;;          (print "Full condition info:\n" (condition->list exn)))))
;;    (proc)))
;; 
;; 
;;======================================================================
;;  R E C O R D S
;;======================================================================

;;; ;; information about me as a server
;;; ;;
;;; (defstruct area
;;;   ;; about this area
;;;   (useportlogger #f)
;;;   (lowport       32768)
;;;   (server-type   'auto)  ;; auto=create up to five servers/pkts, main=create pkts, passive=no pkt (unless there are no pkts at all)
;;;   (conn          #f)
;;;   (port          #f)
;;;   (myaddr        (get-my-best-address))
;;;   pktid          ;; get pkt from hosts table if needed
;;;   pktfile
;;;   pktsdir
;;;   dbdir
;;;   (dbhandles     (make-hash-table)) ;; fname => list-of-dbh, NOTE: Should really never need more than one?
;;;   (mutex         (make-mutex))
;;;   (rtable        (make-hash-table)) ;; registration table of available actions
;;;   (dbs           (make-hash-table)) ;; filename => random number, used for choosing what dbs I serve
;;;   ;; about other servers
;;;   (hosts         (make-hash-table)) ;; key => hostdat
;;;   (hoststats     (make-hash-table)) ;; key => alist of fname => ( qcount . qtime )
;;;   (reqs          (make-hash-table)) ;; uri => queue
;;;   ;; work queues
;;;   (wqueues       (make-hash-table)) ;; fname => qdat
;;;   (stats         (make-hash-table)) ;; fname => totalqueries
;;;   (last-srvup    (current-seconds)) ;; last time we updated the known servers
;;;   (cookie2mbox   (make-hash-table)) ;; map cookie for outstanding request to mailbox of awaiting call
;;;   (ready #f)
;;;   (health        (make-hash-table)) ;; ipaddr:port => num failed pings since last good ping
;;;   )
;;; 
;;; ;; host stats
;;; ;;
;;; (defstruct hostdat
;;;   (pkt      #f)
;;;   (dbload   (make-hash-table))  ;; "dbfile.db" => queries/min
;;;   (hostload #f)                 ;; normalized load ( 5min load / numcpus )
;;;   )
;;; 
;;; ;; dbdat
;;; ;;
;;; (defstruct dbdat
;;;   (dbh    #f)
;;;   (fname  #f)
;;;   (write-access #f)
;;;   (sths   (make-hash-table))  ;; hash mapping query strings to handles
;;;   )
;;; 
;;; ;; qdat
;;; ;;
;;; (defstruct qdat
;;;   (writeq  (make-queue))
;;;   (readq   (make-queue))
;;;   (rwq     (make-queue))
;;;   (logq    (make-queue)) ;; do we need a queue for logging? yes, if we use sqlite3 db for logging
;;;   (osshort (make-queue))
;;;   (oslong  (make-queue))
;;;   (misc    (make-queue)) ;; used for things like ping-full
;;;   )
;;; 
;;; ;; calldat
;;; ;;
;;; (defstruct calldat
;;;   (ctype 'dbwrite)
;;;   (obj   #f)              ;; this would normally be an SQL statement e.g. SELECT, INSERT etc.
;;;   (rtime (current-milliseconds)))
;;; 
;;; ;; make it a global? Well, it is local to area module
;;; 
;;; (define *pktspec*
;;;   `((server (hostname . h)
;;; 	    (port     . p)
;;; 	    (pid      . i)
;;; 	    (ipaddr   . a)
;;; 	    )
;;;     (data   (hostname . h)  ;; sender hostname
;;; 	    (port     . p)  ;; sender port
;;; 	    (ipaddr   . a)  ;; sender ip
;;; 	    (hostkey  . k)  ;; sending host key - store info at server under this key
;;; 	    (servkey  . s)  ;; server key - this needs to match at server end or reject the msg
;;; 	    (format   . f)  ;; sb=serialized-base64, t=text, sx=sexpr, j=json
;;; 	    (data     . d)  ;; base64 encoded slln data
;;; 	    )))
;;; 
;;; ;; work item
;;; ;;
;;; (defstruct witem
;;;   (rhost #f)   ;; return host
;;;   (ripaddr #f) ;; return ipaddr
;;;   (rport #f)   ;; return port
;;;   (servkey #f) ;; the packet representing the client of this workitem, used by final send-message
;;;   (rdat  #f)   ;; the request - usually an sql query, type is rdat
;;;   (action #f)  ;; the action: immediate, dbwrite, dbread,oslong, osshort
;;;   (cookie #f)  ;; cookie id for response
;;;   (data   #f)  ;; the data payload, i.e. parameters
;;;   (result #f)  ;; the result from processing the data
;;;   (caller #f)) ;; the calling peer according to rpc itself
;;; 
;;; (define (trim-pktid pktid)
;;;   (if (string? pktid)
;;;       (substring pktid 0 4)
;;;       "nopkt"))
;;; 
;;; (define (any->number num)
;;;   (cond
;;;    ((number? num) num)
;;;    ((string? num) (string->number num))
;;;    (else num)))
;;; 
;;; (use trace)
;;; (trace-call-sites #t)
;;; 
;;; ;;======================================================================
;;; ;; D A T A B A S E   H A N D L I N G 
;;; ;;======================================================================
;;; 
;;; ;; look in dbhandles for a db, return it, else return #f
;;; ;;
;;; (define (get-dbh acfg fname)
;;;   (let ((dbh-lst (hash-table-ref/default (area-dbhandles acfg) fname '())))
;;;     (if (null? dbh-lst)
;;; 	(begin
;;; 	  ;; (print "opening db for " fname)
;;; 	  (open-db acfg fname)) ;; Note that the handles get put back in the queue in the save-dbh calls
;;; 	(let ((rem-lst (cdr dbh-lst)))
;;; 	  ;; (print "re-using saved connection for " fname)
;;; 	  (hash-table-set! (area-dbhandles acfg) fname rem-lst)
;;; 	  (car dbh-lst)))))
;;; 
;;; (define (save-dbh acfg fname dbdat)
;;;     ;; (print "saving dbh for " fname)
;;;     (hash-table-set! (area-dbhandles acfg) fname (cons dbdat (hash-table-ref/default (area-dbhandles acfg) fname '()))))
;;; 
;;; ;; open the database, if never before opened init it. put the handle in the
;;; ;; open db's hash table
;;; ;; returns: the dbdat
;;; ;;
;;; (define (open-db acfg fname)
;;;   (let* ((fullname     (conc (area-dbdir acfg) "/" fname))
;;; 	 (exists       (file-exists? fullname))
;;; 	 (write-access (if exists
;;; 			   (file-write-access? fullname)
;;; 			   (file-write-access? (area-dbdir acfg))))
;;; 	 (db           (sqlite3:open-database fullname))
;;; 	 (handler      (sqlite3:make-busy-timeout 136000))
;;; 	 )
;;;     (sqlite3:set-busy-handler! db handler)
;;;     (sqlite3:execute db "PRAGMA synchronous = 0;")
;;;     (if (not exists) ;; need to init the db
;;; 	(if write-access
;;; 	    (let ((isql (get-rsql acfg 'dbinitsql))) ;; get the init sql statements
;;; 	      ;; (sqlite3:with-transaction
;;; 	      ;;  db
;;; 	      ;;  (lambda ()
;;; 		 (if isql
;;; 		     (for-each
;;; 		      (lambda (sql)
;;; 			(sqlite3:execute db sql))
;;; 		      isql)))
;;; 	    (print "ERROR: no write access to " (area-dbdir acfg))))
;;;     (make-dbdat dbh: db fname: fname write-access: write-access)))
;;; 
;;; ;; This is a low-level command to retrieve or to prepare, save and return a prepared statment
;;; ;; you must extract the db handle
;;; ;;
;;; (define (get-sth db cache stmt)
;;;   (if (hash-table-exists? cache stmt)
;;;       (begin
;;; 	;; (print "Reusing cached stmt for " stmt)
;;; 	(hash-table-ref/default cache stmt #f))
;;;       (let ((sth (sqlite3:prepare db stmt)))
;;; 	(hash-table-set! cache stmt sth)
;;; 	;; (print "prepared stmt for " stmt)
;;; 	sth)))
;;; 
;;; ;; a little more expensive but does all the tedious deferencing - only use if you don't already
;;; ;; have dbdat and db sitting around
;;; ;;
;;; (define (full-get-sth acfg fname stmt)
;;;   (let* ((dbdat  (get-dbh acfg fname))
;;; 	 (db     (dbdat-dbh dbdat))
;;; 	 (sths   (dbdat-sths dbdat)))
;;;     (get-sth db sths stmt)))
;;; 
;;; ;; write to a db
;;; ;; acfg: area data
;;; ;; rdat: request data
;;; ;; hdat: (host . port)
;;; ;;
;;; ;; (define (dbwrite acfg rdat hdat data-in)
;;; ;;   (let* ((dbname (car data-in))
;;; ;; 	 (dbdat  (get-dbh acfg dbname))
;;; ;; 	 (db     (dbdat-dbh dbdat))
;;; ;; 	 (sths   (dbdat-sths dbdat))
;;; ;; 	 (stmt   (calldat-obj rdat))
;;; ;; 	 (sth    (get-sth db sths stmt))
;;; ;; 	 (data   (cdr data-in)))
;;; ;;     (print "dbname: " dbname " acfg: " acfg " rdat: " (calldat->alist rdat) " hdat: " hdat " data: " data)
;;; ;;     (print "dbdat: " (dbdat->alist dbdat))
;;; ;;     (apply sqlite3:execute sth data)
;;; ;;     (save-dbh acfg dbname dbdat)
;;; ;;     #t
;;; ;;     ))
;;; 
;;; (define (finalize-all-db-handles acfg)
;;;   (let* ((dbhandles (area-dbhandles acfg))  ;; dbhandles is hash of fname ==> dbdat
;;; 	 (num       0))
;;;     (for-each
;;;      (lambda (area-name)
;;;        (print "Closing handles for " area-name)
;;;        (let ((dbdats (hash-table-ref/default dbhandles area-name '())))
;;; 	 (for-each
;;; 	  (lambda (dbdat)
;;; 	    ;; first close all statement handles
;;; 	    (for-each
;;; 	     (lambda (sth)
;;; 	       (sqlite3:finalize! sth)
;;; 	       (set! num (+ num 1)))
;;; 	     (hash-table-values (dbdat-sths dbdat)))
;;; 	    ;; now close the dbh
;;; 	    (set! num (+ num 1))
;;; 	    (sqlite3:finalize! (dbdat-dbh dbdat)))
;;; 	  dbdats)))
;;;      (hash-table-keys dbhandles))
;;;     (print "FINALIZED " num " dbhandles")))
;;; 
;;; ;;======================================================================
;;; ;; W O R K   Q U E U E   H A N D L I N G 
;;; ;;======================================================================
;;; 
;;; (define (register-db-as-mine acfg dbname)
;;;   (let ((ht (area-dbs acfg)))
;;;     (if (not (hash-table-ref/default ht dbname #f))
;;; 	(hash-table-set! ht dbname (random 10000)))))
;;; 	
;;; (define (work-queue-add acfg fname witem)
;;;   (let* ((work-queue-start (current-milliseconds))
;;; 	 (action           (witem-action witem)) ;; NB the action is the index into the rdat actions
;;; 	 (qdat             (or (hash-table-ref/default (area-wqueues acfg) fname #f)
;;; 			       (let ((newqdat (make-qdat)))
;;; 				 (hash-table-set! (area-wqueues acfg) fname newqdat)
;;; 				 newqdat)))
;;; 	 (rdat             (hash-table-ref/default (area-rtable acfg) action #f)))
;;;     (if rdat
;;; 	(queue-add!
;;; 	 (case (calldat-ctype rdat)
;;; 	   ((dbwrite)   (register-db-as-mine acfg fname)(qdat-writeq qdat))
;;; 	   ((dbread)    (register-db-as-mine acfg fname)(qdat-readq  qdat))
;;; 	   ((dbrw)      (register-db-as-mine acfg fname)(qdat-rwq    qdat))
;;; 	   ((oslong)    (qdat-oslong qdat))
;;; 	   ((osshort)   (qdat-osshort qdat))
;;; 	   ((full-ping) (qdat-misc  qdat))
;;; 	   (else
;;; 	    (print "ERROR: no queue for " action ". Adding to dbwrite queue.")
;;; 	    (qdat-writeq qdat)))
;;; 	 witem)
;;; 	(case action
;;; 	  ((full-ping)(qdat-misc qdat))
;;; 	  (else
;;; 	   (print "ERROR: No action " action " was registered"))))
;;;     (sdbg> "work-queue-add" "queue-add" work-queue-start #f #f)
;;;     #t)) ;; for now, simply return #t to indicate request got to the queue
;;; 
;;; (define (doqueue acfg q fname dbdat dbh)
;;;   ;; (print "doqueue: " fname)
;;;   (let* ((start-time (current-milliseconds))
;;; 	 (qlen       (queue-length q)))
;;;     (if (> qlen 1)
;;; 	(print "Processing queue of length " qlen))
;;;     (let loop ((count      0)
;;; 	       (responses '()))
;;;       (let ((delta (- (current-milliseconds) start-time)))
;;; 	(if (or (queue-empty? q)
;;; 		(> delta 400)) ;; stop working on this queue after 400ms have passed
;;; 	    (list count delta responses) ;; return count, delta and responses list
;;; 	    (let* ((witem  (queue-remove! q))
;;; 		   (action (witem-action witem))
;;; 		   (rdat   (witem-rdat   witem))
;;; 		   (stmt   (calldat-obj rdat))
;;; 		   (sth    (full-get-sth acfg fname stmt))
;;; 		   (ctype  (calldat-ctype rdat))
;;; 		   (data   (witem-data   witem))
;;; 		   (cookie (witem-cookie witem)))
;;; 	      ;; do the processing and save the result in witem-result
;;; 	      (witem-result-set!
;;; 	       witem
;;; 	       (case ctype ;; action
;;; 		 ((noblockwrite) ;; blind write, no ack of success returned
;;; 		  (apply sqlite3:execute sth data)
;;; 		  (sqlite3:last-insert-rowid dbh))
;;; 		 ((dbwrite)      ;; blocking write   
;;; 		  (apply sqlite3:execute sth data)
;;; 		  #t)
;;; 		 ((dbread) ;; TODO: consider breaking this up and shipping in pieces for large query
;;; 		  (apply sqlite3:map-row (lambda x x) sth data))
;;; 		 ((full-ping)  'full-ping)
;;; 		 (else (print "Not ready for action " action) #f)))
;;; 	      (loop (add1 count)
;;; 		    (if cookie
;;; 			(cons witem responses)
;;; 			responses))))))))
;;; 
;;; ;; do up to 400ms of processing on each queue
;;; ;; - the work-queue-processor will allow the max 1200ms of work to complete but it will flag as overloaded
;;; ;; 
;;; (define (process-db-queries acfg fname)
;;;   (if (hash-table-exists? (area-wqueues acfg) fname)
;;;       (let* ((process-db-queries-start-time (current-milliseconds))
;;; 	     (qdat             (hash-table-ref/default (area-wqueues acfg) fname #f))
;;; 	     (queue-sym->queue (lambda (queue-sym)
;;; 				 (case queue-sym  ;; lookup the queue from qdat given a name (symbol)
;;; 				   ((wqueue)  (qdat-writeq qdat))
;;; 				   ((rqueue)  (qdat-readq  qdat))
;;; 				   ((rwqueue) (qdat-rwq    qdat))
;;; 				   ((misc)    (qdat-misc   qdat))
;;; 				   (else #f))))
;;; 	     (dbdat   (get-dbh acfg fname))
;;; 	     (dbh     (if (dbdat? dbdat)(dbdat-dbh dbdat) #f))
;;; 	     (nowtime (current-seconds)))
;;; 	;; handle the queues that require a transaction
;;; 	;;
;;; 	(map ;; 
;;; 	 (lambda (queue-sym)
;;; 	   ;; (print "processing queue " queue-sym)
;;; 	   (let* ((queue (queue-sym->queue queue-sym)))
;;; 	     (if (not (queue-empty? queue))
;;; 		 (let ((responses
;;; 			(sqlite3:with-transaction ;; todo - catch exceptions...
;;; 			 dbh
;;; 			 (lambda ()
;;; 			   (let* ((res (doqueue acfg queue fname dbdat dbh))) ;; this does the work!
;;; 			     ;; (print "res=" res)
;;; 			     (match res
;;; 			      ((count delta responses)
;;; 			       (update-stats acfg fname queue-sym delta count)
;;; 			       (sdbg> "process-db-queries" "sqlite3-transaction" process-db-queries-start-time #f #f)
;;; 			       responses) ;; return responses
;;; 			      (else
;;; 			       (print "ERROR: bad return data from doqueue " res)))
;;; 			     )))))
;;; 		   ;; having completed the transaction, send the responses.
;;; 		   ;; (print "INFO: sending " (length responses) " responses.")
;;; 		   (let loop ((responses-left responses))
;;; 		     (cond
;;; 		      ((null? responses-left)  #t)
;;; 		      (else
;;; 		       (let* ((witem    (car responses-left))
;;; 			      (response (cdr responses-left)))  
;;; 			 (call-deliver-response acfg (witem-ripaddr witem)(witem-rport witem)
;;; 						(witem-cookie witem)(witem-result witem)))
;;; 		       (loop (cdr responses-left))))))
;;; 		 )))
;;; 	 '(wqueue rwqueue rqueue))
;;; 	
;;; 	;; handle misc queue
;;; 	;;
;;; 	;; (print "processing misc queue")
;;; 	(let ((queue (queue-sym->queue 'misc)))
;;; 	  (doqueue acfg queue fname dbdat dbh))
;;; 	;; ....
;;; 	(save-dbh acfg fname dbdat)
;;; 	#t ;; just to let the tests know we got here
;;; 	)
;;;       #f ;; nothing processed
;;;       ))
;;; 
;;; ;; run all queues in parallel per db but sequentially per queue for that db.
;;; ;;  - process the queues every 500 or so ms
;;; ;;  - allow for long running queries to continue but all other activities for that
;;; ;;    db will be blocked.
;;; ;;
;;; (define (work-queue-processor acfg)
;;;   (let* ((threads (make-hash-table))) ;; fname => thread
;;;     (let loop ((fnames      (hash-table-keys (area-wqueues acfg)))
;;; 	       (target-time (+ (current-milliseconds) 50)))
;;;       ;;(if (not (null? fnames))(print "Processing for these databases: " fnames))
;;;       (for-each
;;;        (lambda (fname)
;;; 	 ;; (print "processing for " fname)
;;; 	 ;;(process-db-queries acfg fname))
;;; 	 (let ((th (hash-table-ref/default threads fname #f)))
;;; 	   (if (and th (not (member (thread-state th) '(dead terminated))))
;;; 	       (begin
;;; 		 (print "WARNING: worker thread for " fname " is taking a long time.")
;;; 		 (print "Thread is in state " (thread-state th)))
;;; 	       (let ((th1 (make-thread (lambda ()
;;; 					 ;; (catch-and-dump
;;; 					 ;;  (lambda ()
;;; 					    ;; (print "Process queries for " fname)
;;; 					    (let ((start-time (current-milliseconds)))
;;; 					      (process-db-queries acfg fname)
;;; 					      ;; (thread-sleep! 0.01) ;; need the thread to take at least some time
;;; 					      (hash-table-delete! threads fname)) ;; no mutexes?
;;; 					    fname)
;;; 					  "th1"))) ;; ))
;;; 		 (hash-table-set! threads fname th1)
;;; 		 (thread-start! th1)))))
;;;        fnames)
;;;       ;; (thread-sleep! 0.1) ;; give the threads some time to process requests
;;;       ;; burn time until 400ms is up
;;;       (let ((now-time (current-milliseconds)))
;;; 	(if (< now-time target-time)
;;; 	    (let ((delta (- target-time now-time)))
;;; 	      (thread-sleep! (/ delta 1000)))))
;;;       (loop (hash-table-keys (area-wqueues acfg))
;;; 	    (+ (current-milliseconds) 50)))))
;;; 
;;; ;;======================================================================
;;; ;; S T A T S   G A T H E R I N G
;;; ;;======================================================================
;;; 
;;; (defstruct stat
;;;   (qcount-avg  0)                  ;; coarse running average
;;;   (qtime-avg   0)                  ;; coarse running average
;;;   (qcount      0)                  ;; total
;;;   (qtime       0)                  ;; total
;;;   (last-qcount 0)                  ;; last 
;;;   (last-qtime  0)                  ;; last
;;;   (dbs        '())                 ;; list of db files handled by this node
;;;   (when        0))                 ;; when the last query happened - seconds
;;; 
;;; 
;;; (define (update-stats acfg fname bucket duration numqueries)
;;;   (let* ((key   fname) ;; for now do not use bucket. Was: (conc fname "-" bucket)) ;; lazy but good enough
;;; 	 (stats (or (hash-table-ref/default (area-stats acfg) key #f)
;;; 		    (let ((newstats (make-stat)))
;;; 		      (hash-table-set! (area-stats acfg) key newstats)
;;; 		      newstats))))
;;;     ;; when the last query happended (used to remove the fname from the active list)
;;;     (stat-when-set! stats (current-seconds))
;;;     ;; last values
;;;     (stat-last-qcount-set! stats numqueries)
;;;     (stat-last-qtime-set!  stats duration)
;;;     ;; total over process lifetime
;;;     (stat-qcount-set! stats (+ (stat-qcount stats) numqueries))
;;;     (stat-qtime-set!  stats (+ (stat-qtime  stats) duration))
;;;     ;; coarse average
;;;     (stat-qcount-avg-set! stats (/ (+ (stat-qcount-avg stats) numqueries) 2))
;;;     (stat-qtime-avg-set!  stats (/ (+ (stat-qtime-avg  stats) duration)   2))
;;; 
;;;     ;; here is where we add the stats for a given dbfile
;;;     (if (not (member fname (stat-dbs stats)))
;;; 	(stat-dbs-set! stats (cons fname (stat-dbs stats))))
;;; 
;;;     ))
;;; 
;;; ;;======================================================================
;;; ;; S E R V E R   S T U F F 
;;; ;;======================================================================
;;; 
;;; ;; this does NOT return!
;;; ;;
;;; (define (find-free-port-and-open acfg)
;;;   (let ((port (or (area-port acfg) 3200)))
;;;     (handle-exceptions
;;; 	exn
;;; 	(begin
;;; 	  (print "INFO: cannot bind to port " (rpc:default-server-port) ", trying next port")
;;; 	  (area-port-set! acfg (+ port 1))
;;; 	  (find-free-port-and-open acfg))
;;;       (rpc:default-server-port port)
;;;       (area-port-set! acfg port)
;;;       (tcp-read-timeout 120000)
;;;       ;; ((rpc:make-server (tcp-listen port)) #t)
;;;       (tcp-listen (rpc:default-server-port)
;;;       ))))
;;; 
;;; ;; register this node by putting a packet into the pkts dir.
;;; ;; look for other servers
;;; ;; contact other servers and compile list of servers
;;; ;; there are two types of server
;;; ;;     main servers - dashboards, runners and dedicated servers - need pkt
;;; ;;     passive servers - test executers, step calls, list-runs - no pkt
;;; ;;
;;; (define (register-node acfg hostip port-num)
;;;   ;;(mutex-lock! (area-mutex acfg))
;;;   (let* ((server-type  (area-server-type acfg)) ;; auto, main, passive (no pkt created)
;;; 	 (best-ip      (or hostip (get-my-best-address)))
;;; 	 (mtdir        (area-dbdir acfg))
;;; 	 (pktdir       (area-pktsdir acfg))) ;; conc mtdir "/.server-pkts")))
;;;     (print "Registering node " best-ip ":" port-num)
;;;     (if (not mtdir) ;; require a home for this node to put or find databases
;;; 	#f
;;; 	(begin
;;; 	  (if  (not (directory? pktdir))(create-directory pktdir))
;;; 	  ;; server is started, now create pkt if needed
;;; 	  (print "Starting server in " server-type " mode with port " port-num)
;;; 	  (if (member server-type '(auto main)) ;; TODO: if auto, count number of servers registers, if > 3 then don't put out a pkt
;;; 	      (begin
;;; 		(area-pktid-set! acfg
;;; 				 (write-alist->pkt
;;; 				  pktdir 
;;; 				  `((hostname . ,(get-host-name))
;;; 				    (ipaddr   . ,best-ip)
;;; 				    (port     . ,port-num)
;;; 				    (pid      . ,(current-process-id)))
;;; 				  pktspec: *pktspec*
;;; 				  ptype:   'server))
;;; 		(area-pktfile-set! acfg (conc pktdir "/" (area-pktid acfg) ".pkt"))))
;;; 	  (area-port-set!    acfg port-num)
;;; 	  #;(mutex-unlock! (area-mutex acfg))))))
;;; 
;;; (define *cookie-seqnum* 0)
;;; (define (make-cookie key)
;;;   (set! *cookie-seqnum* (add1 *cookie-seqnum*))
;;;   ;;(print "MAKE COOKIE CALLED -- on "servkey"-"*cookie-seqnum*)
;;;   (conc key "-" *cookie-seqnum*)
;;;   )
;;; 
;;; ;; dispatch locally if possible
;;; ;;
;;; (define (call-deliver-response acfg ipaddr port cookie data)
;;;   (if (and (equal? (area-myaddr acfg) ipaddr)
;;; 	   (equal? (area-port     acfg) port))
;;;       (deliver-response acfg cookie data)
;;;       ((rpc:procedure 'response ipaddr port) cookie data)))
;;; 
;;; (define (deliver-response acfg cookie data)
;;;   (let ((deliver-response-start (current-milliseconds)))
;;;     (thread-start! (make-thread
;;; 		    (lambda ()
;;; 		      (let loop ((tries-left 5))
;;; 			;;(print "TOP OF DELIVER_RESPONSE LOOP; triesleft="tries-left)
;;; 			;;(pp (hash-table->alist (area-cookie2mbox acfg)))
;;; 			(let* ((mbox (hash-table-ref/default (area-cookie2mbox acfg) cookie #f)))
;;; 			  (cond
;;; 			   ((eq? 0 tries-left)
;;; 			    (print "ulex:deliver-response: I give up. Mailbox never appeared. cookie="cookie)
;;; 			    )
;;; 			   (mbox
;;; 			    ;;(print "got mbox="mbox"  got data="data"  send.")
;;; 			    (mailbox-send! mbox data))
;;; 			   (else
;;; 			    ;;(print "no mbox yet.  look for "cookie)
;;; 			    (thread-sleep! (/ (- 6 tries-left) 10))
;;; 			    (loop (sub1 tries-left))))))
;;; 		      ;; (debug-pp (list (conc "ulex:deliver-response took " (- (current-milliseconds) deliver-response-start) " ms, cookie=" cookie " data=") data))
;;; 		      (sdbg> "deliver-response" "mailbox-send" deliver-response-start #f #f cookie)
;;; 		      )
;;; 		    (conc "deliver-response thread for cookie="cookie))))
;;;   #t)
;;; 
;;; ;; action:
;;; ;;   immediate - quick actions, no need to put in queues
;;; ;;   dbwrite   - put in dbwrite queue
;;; ;;   dbread    - put in dbread queue
;;; ;;   oslong    - os actions, e.g. du, that could take a long time
;;; ;;   osshort   - os actions that should be quick, e.g. df
;;; ;;
;;; (define (request acfg from-ipaddr from-port servkey action cookie fname params) ;; std-peer-handler
;;;   ;; NOTE: Use rpc:current-peer for getting return address
;;;   (let* ((std-peer-handler-start (current-milliseconds))
;;; 	 ;; (raw-data               (alist-ref 'data     dat))
;;; 	 (rdat                   (hash-table-ref/default
;;; 				  (area-rtable acfg) action #f)) ;; this looks up the sql query or other details indexed by the action
;;; 	 (witem                  (make-witem ripaddr: from-ipaddr ;; rhost:   from-host   
;;; 					     rport:   from-port   action:  action
;;; 					     rdat:    rdat        cookie:  cookie
;;; 					     servkey: servkey     data:    params ;; TODO - rename data to params
;;; 					     caller:  (rpc:current-peer))))
;;;     (if (not (equal? servkey (area-pktid acfg)))
;;; 	`(#f . ,(conc "I don't know you servkey=" servkey ", pktid=" (area-pktid acfg))) ;; immediately return this
;;; 	(let* ((ctype (if rdat 
;;; 			  (calldat-ctype rdat) ;; is this necessary? these should be identical
;;; 			  action)))
;;; 	  (sdbg> "std-peer-handler" "immediate" std-peer-handler-start #f #f)
;;; 	  (case ctype
;;; 	    ;; (dbwrite acfg rdat (cons from-ipaddr from-port) data)))
;;; 	    ((full-ping)  `(#t  "ack to full ping"        ,(work-queue-add acfg fname witem) ,cookie))
;;; 	    ((response)   `(#t  "ack from requestor"      ,(deliver-response acfg fname params)))
;;; 	    ((dbwrite)    `(#t  "db write submitted"      ,(work-queue-add acfg fname witem) ,cookie))
;;; 	    ((dbread)     `(#t  "db read submitted"       ,(work-queue-add acfg fname witem) ,cookie  ))
;;; 	    ((dbrw)       `(#t  "db read/write submitted" ,cookie))
;;; 	    ((osshort)    `(#t  "os short submitted"      ,cookie))
;;; 	    ((oslong)     `(#t  "os long submitted"       ,cookie))
;;; 	    (else         `(#f  "unrecognised action"     ,ctype)))))))
;;; 
;;; ;; Call this to start the actual server
;;; ;;
;;; ;; start_server
;;; ;;
;;; ;;   mode: '
;;; ;;   handler: proc which takes pktrecieved as argument
;;; ;;
;;; 
;;; (define (start-server acfg)
;;;   (let* ((conn (find-free-port-and-open acfg))
;;; 	 (port (area-port acfg)))
;;;     (rpc:publish-procedure!
;;;      'delist-db
;;;      (lambda (fname)
;;;        (hash-table-delete! (area-dbs acfg) fname)))
;;;     (rpc:publish-procedure!
;;;      'calling-addr
;;;      (lambda ()
;;;        (rpc:current-peer)))
;;;     (rpc:publish-procedure!
;;;      'ping
;;;      (lambda ()(real-ping acfg)))
;;;     (rpc:publish-procedure!
;;;      'request
;;;      (lambda (from-addr from-port servkey action cookie dbname params)
;;;        (request acfg from-addr from-port servkey action cookie dbname params)))
;;;     (rpc:publish-procedure!
;;;      'response
;;;      (lambda (cookie res-dat)
;;;        (deliver-response acfg cookie res-dat)))
;;;     (area-ready-set! acfg #t)
;;;     (area-conn-set! acfg conn)
;;;     ((rpc:make-server conn) #f)));; ((tcp-listen (rpc:default-server-port)) #t)
;;; 
;;; 
;;; (define (launch acfg) ;;  #!optional (proc std-peer-handler))
;;;   (print "starting launch")
;;;   (update-known-servers acfg) ;; gotta do this on every start (thus why limit number of publicised servers)
;;;   #;(let ((original-handler (current-exception-handler))) ;; is th
;;;     (lambda (exception)
;;;       (server-exit-procedure)
;;;       (original-handler exception)))
;;;   (on-exit (lambda ()
;;; 	     (shutdown acfg))) ;; (finalize-all-db-handles acfg)))
;;;   ;; set up the rpc handler
;;;   (let* ((th1  (make-thread
;;; 		(lambda ()(start-server acfg))
;;; 		"server thread"))
;;; 	 (th2   (make-thread
;;; 		 (lambda ()
;;; 		   (print "th2 starting")
;;; 		   (let loop ()
;;; 		     (work-queue-processor acfg)
;;; 		     (print "work-queue-processor crashed!")
;;; 		     (loop)))
;;; 		 "work queue thread")))
;;;     (thread-start! th1)
;;;     (thread-start! th2)
;;;     (let loop ()
;;;       (thread-sleep! 0.025)
;;;       (if (area-ready acfg)
;;; 	  #t
;;; 	  (loop)))
;;;     ;; attempt to fix my address
;;;     (let* ((all-addr (get-all-ips-sorted)))	     ;; could use (tcp-addresses conn)?
;;;       (let loop ((rem-addrs all-addr))
;;; 	(if (null? rem-addrs)
;;; 	    (begin
;;; 	      (print "ERROR: Failed to figure out the ip address of myself as a server. Giving up.")
;;; 	      (exit 1)) ;; BUG Changeme to raising an exception
;;; 		
;;; 	    (let* ((addr      (car rem-addrs))
;;; 		   (good-addr (handle-exceptions
;;; 				  exn
;;; 				  #f
;;; 				((rpc:procedure 'calling-addr addr (area-port acfg))))))
;;; 	      (if good-addr
;;; 		  (begin
;;; 		    (print "Got good-addr of " good-addr)
;;; 		    (area-myaddr-set! acfg good-addr))
;;; 		  (loop (cdr rem-addrs)))))))
;;;     (register-node acfg (area-myaddr acfg)(area-port acfg))
;;;     (print "INFO: Server started on " (area-myaddr acfg) ":" (area-port acfg))
;;;     ;; (update-known-servers acfg) ;; gotta do this on every start (thus why limit number of publicised servers)
;;;     ))
;;; 
;;; (define (clear-server-pkt acfg)
;;;   (let ((pktf (area-pktfile acfg)))
;;;     (if pktf (delete-file* pktf))))
;;; 
;;; (define (shutdown acfg)
;;;   (let (;;(conn (area-conn    acfg))
;;; 	(pktf (area-pktfile acfg))
;;; 	(port (area-port    acfg)))
;;;     (if pktf (delete-file* pktf))
;;;     (send-all "imshuttingdown")
;;;     ;; (rpc:close-all-connections!) ;; don't know if this is actually needed
;;;     (finalize-all-db-handles acfg)))
;;; 
;;; (define (send-all msg)
;;;   #f)
;;; 
;;; ;; given a area record look up all the packets
;;; ;;
;;; (define (get-all-server-pkts acfg)
;;;   (let ((all-pkt-files (glob (conc (area-pktsdir acfg) "/*.pkt"))))
;;;     (map (lambda (pkt-file)
;;; 	   (read-pkt->alist pkt-file pktspec: *pktspec*))
;;; 	 all-pkt-files)))
;;; 
;;; #;((Z . "9a0212302295a19610d5796fce0370fa130758e9")
;;;   (port . "34827")
;;;   (pid . "28748")
;;;   (hostname . "zeus")
;;;   (T . "server")
;;;   (D . "1549427032.0"))
;;; 
;;; #;(define (get-my-best-address)
;;;   (let ((all-my-addresses (get-all-ips))) ;; (vector->list (hostinfo-addresses (hostname->hostinfo (get-host-name))))))
;;;     (cond
;;;      ((null? all-my-addresses)
;;;       (get-host-name))                                          ;; no interfaces?
;;;      ((eq? (length all-my-addresses) 1)
;;;       (ip->string (car all-my-addresses)))                      ;; only one to choose from, just go with it
;;;      (else 
;;;       (ip->string (car (filter (lambda (x)                      ;; take any but 127.
;;; 				 (not (eq? (u8vector-ref x 0) 127)))
;;; 			       all-my-addresses)))))))
;;; 
;;; ;; whoami? I am my pkt
;;; ;;
;;; (define (whoami? acfg)
;;;   (hash-table-ref/default (area-hosts acfg)(area-pktid acfg) #f))
;;; 
;;; ;;======================================================================
;;; ;; "Client side" operations
;;; ;;======================================================================
;;; 
;;; (define (safe-call call-key host port . params)
;;;   (handle-exceptions
;;;    exn
;;;    (begin
;;;      (print "Call " call-key " to " host ":" port " failed")
;;;      #f)
;;;    (apply (rpc:procedure call-key host port) params)))
;;; 
;;; ;; ;; convert to/from string / sexpr
;;; ;; 
;;; ;; (define (string->sexpr str)
;;; ;;   (if (string? str)
;;; ;;       (with-input-from-string str read)
;;; ;;       str))
;;; ;; 
;;; ;; (define (sexpr->string s)
;;; ;;   (with-output-to-string (lambda ()(write s))))
;;; 
;;; ;; is the server alive?
;;; ;;
;;; (define (ping acfg host port)
;;;   (let* ((myaddr     (area-myaddr acfg))
;;; 	 (myport     (area-port   acfg))
;;; 	 (start-time (current-milliseconds))
;;; 	 (res        (if (and (equal? myaddr host)
;;; 			      (equal? myport port))
;;; 			 (real-ping acfg)
;;; 			 ((rpc:procedure 'ping host port)))))
;;;     (cons (- (current-milliseconds) start-time)
;;; 	  res)))
;;; 
;;; ;; returns ( ipaddr port alist-fname=>randnum )
;;; (define (real-ping acfg)
;;;   `(,(area-myaddr acfg) ,(area-port acfg) ,(get-host-stats acfg)))
;;; 
;;; ;; is the server alive AND the queues processing?
;;; ;;
;;; #;(define (full-ping acfg servpkt)
;;;   (let* ((start-time (current-milliseconds))
;;; 	 (res        (send-message acfg servpkt '(full-ping) 'full-ping)))
;;;     (cons (- (current-milliseconds) start-time)
;;; 	  res))) ;; (equal? res "got ping"))))
;;; 
;;; 
;;; ;; look up all pkts and get the server id (the hash), port, host/ip
;;; ;; store this info in acfg
;;; ;; return the number of responsive servers found
;;; ;;
;;; ;; DO NOT VERIFY THAT THE SERVER IS ALIVE HERE. This is called at times where the current server is not yet alive and cannot ping itself
;;; ;;
;;; (define (update-known-servers acfg)
;;;   ;; readll all pkts
;;;   ;; foreach pkt; if it isn't me ping the server; if alive, add to hosts hash, else rm the pkt
;;;   (let* ((start-time (current-milliseconds))
;;; 	 (all-pkts  (delete-duplicates
;;; 		     (append (get-all-server-pkts acfg)
;;; 			     (hash-table-values (area-hosts acfg)))))
;;; 	 (hostshash (area-hosts acfg))
;;; 	 (my-id     (area-pktid acfg))
;;; 	 (pktsdir   (area-pktsdir acfg)) ;; needed to remove pkts from non-responsive servers
;;; 	 (numsrvs   0)
;;; 	 (delpkt    (lambda (pktsdir sid)
;;; 		      (print "clearing out server " sid)
;;; 		      (delete-file* (conc pktsdir "/" sid ".pkt"))
;;; 		      (hash-table-delete! hostshash sid))))
;;;     (area-last-srvup-set! acfg (current-seconds))
;;;     (for-each
;;;      (lambda (servpkt)
;;;        (if (list? servpkt)
;;; 	   ;; (pp servpkt)
;;; 	   (let* ((shost (alist-ref 'ipaddr servpkt))
;;; 		  (sport (any->number (alist-ref 'port servpkt)))
;;; 		  (res   (handle-exceptions
;;; 			  exn
;;; 			  (begin
;;; 			    ;; (print "INFO: bad server on " shost ":" sport)
;;; 			    #f)
;;; 			  (ping acfg shost sport)))
;;; 		  (sid   (alist-ref 'Z servpkt)) ;; Z code is our name for the server
;;; 		  (url   (conc shost ":" sport))
;;; 		  )
;;; 	     #;(if (or (not res)
;;; 		     (null? res))
;;; 		 (begin
;;; 		   (print "STRANGE: ping of " url " gave " res)))
;;; 	     
;;; 	     ;; (print "Got " res " from " shost ":" sport)
;;; 	     (match res
;;; 		    ((qduration . payload)
;;; 		     ;; (print "Server pkt:" (alist-ref 'ipaddr servpkt) ":" (alist-ref 'port servpkt)
;;; 		     ;;        (if payload
;;; 		     ;;            "Success" "Fail"))
;;; 		     (match payload
;;; 			    ((host port stats)
;;; 			     ;; (print "From " host ":" port " got stats: " stats)
;;; 			     (if (and host port stats)
;;; 				 (let ((url (conc host ":" port)))
;;; 				   (hash-table-set! hostshash sid servpkt)
;;; 				   ;; store based on host:port
;;; 				   (hash-table-set! (area-hoststats acfg) sid stats))
;;; 				 (print "missing data from the server, not sure what that means!"))
;;; 			     (set! numsrvs (+ numsrvs 1)))
;;; 			    (#f
;;; 			     (print "Removing pkt " sid " due to #f from server or failed ping")
;;; 			     (delpkt pktsdir sid))
;;; 			    (else
;;; 			     (print "Got ")(pp res)(print " from server ")(pp servpkt) " but response did not match (#f/#t . msg)")))
;;; 		    (else
;;; 		     ;; here we delete the pkt - can't reach the server, remove it
;;; 		     ;; however this logic is inadequate. we should mark the server as checked
;;; 		     ;; and not good, if it happens a second time - then remove the pkt
;;; 		     ;; or something similar. I.e. don't be too quick to assume the server is wedged or dead
;;; 		     ;; could be it is simply too busy to reply
;;; 		     (let ((bad-pings (hash-table-ref/default (area-health acfg) url 0)))
;;; 		       (if (> bad-pings 1) ;; two bad pings - remove pkt
;;; 			   (begin
;;; 			     (print "INFO: " bad-pings " bad responses from " url ", deleting pkt " sid)
;;; 			     (delpkt pktsdir sid))
;;; 			   (begin
;;; 			     (print "INFO: " bad-pings " bad responses from " shost ":" sport " not deleting pkt yet")
;;; 			     (hash-table-set! (area-health acfg)
;;; 					      url
;;; 					      (+ (hash-table-ref/default (area-health acfg) url 0) 1))
;;; 			     ))
;;; 		       ))))
;;; 	   ;; servpkt is not actually a pkt?
;;; 	   (begin
;;; 	     (print "Bad pkt " servpkt))))
;;;      all-pkts)
;;;     (sdbg> "update-known-servers" "end" start-time #f #f " found " numsrvs
;;; 	   " servers, pkts: " (map (lambda (p)
;;; 				     (alist-ref 'Z p))
;;; 				   all-pkts))
;;;     numsrvs))
;;; 
;;; (defstruct srvstat
;;;   (numfiles 0)   ;; number of db files handled by this server - subtract 1 for the db being currently looked at
;;;   (randnum  #f)  ;; tie breaker number assigned to by the server itself - applies only to the db under consideration
;;;   (pkt      #f)) ;; the server pkt
;;; 
;;; ;;(define (srv->srvstat srvpkt)
;;;   
;;; ;; Get the server best for given dbname and key
;;; ;;
;;; ;;   NOTE: key is not currently used. The key points to the kind of query, this may be useful for directing read-only queries.
;;; ;;
;;; (define (get-best-server acfg dbname key)
;;;   (let* (;; (servers (hash-table-values (area-hosts acfg)))
;;; 	 (servers     (area-hosts acfg))
;;; 	 (skeys       (sort (hash-table-keys servers) string>=?)) ;; a stable listing
;;; 	 (start-time  (current-milliseconds))
;;; 	 (srvstats    (make-hash-table))  ;; srvid => srvstat
;;; 	 (url         (conc (area-myaddr acfg) ":" (area-port acfg))))
;;;     ;; (print "scores for " dbname ": " (map (lambda (k)(cons k (calc-server-score acfg dbname k))) skeys))
;;;     (if (null? skeys)
;;; 	(if (> (update-known-servers acfg) 0)
;;; 	    (get-best-server acfg dbname key) ;; some risk of infinite loop here, TODO add try counter
;;; 	    (begin
;;; 	      (print "ERROR: no server found!") ;; since this process is also a server this should never happen
;;; 	      #f))
;;; 	(begin
;;; 	  ;; (print "in get-best-server with skeys=" skeys)
;;; 	  (if (> (- (current-seconds) (area-last-srvup acfg)) 10)
;;; 	      (begin
;;; 		(update-known-servers acfg)
;;; 		(sdbg> "get-best-server" "update-known-servers" start-time #f #f)))
;;; 
;;; 	  ;; for each server look at the list of dbfiles, total number of dbs being handled
;;; 	  ;; and the rand number, save the best host
;;; 	  ;; also do a delist-db for each server dbfile not used
;;; 	  (let* ((best-server       #f)
;;; 		 (servers-to-delist (make-hash-table)))
;;; 	    (for-each
;;; 	     (lambda (srvid)
;;; 	       (let* ((server    (hash-table-ref/default servers srvid #f))
;;; 		      (stats     (hash-table-ref/default (area-hoststats acfg) srvid '(()))))
;;; 		 ;; (print "stats: " stats)
;;;  		 (if server
;;; 		     (let* ((dbweights (car stats))
;;; 			    (srvload   (length (filter (lambda (x)(not (equal? dbname (car x)))) dbweights)))
;;; 			    (dbrec     (alist-ref dbname dbweights equal?))  ;; get the pair with fname . randscore
;;; 			    (randnum   (if dbrec
;;; 					   dbrec ;; (cdr dbrec)
;;; 					   0)))
;;; 		       (hash-table-set! srvstats srvid (make-srvstat numfiles: srvload randnum: randnum pkt: server))))))
;;; 	     skeys)
;;; 	    
;;; 	    (let* ((sorted    (sort (hash-table-values srvstats) 
;;; 				    (lambda (a b)
;;; 				      (let ((numfiles-a (srvstat-numfiles a))
;;; 					    (numfiles-b (srvstat-numfiles b))
;;; 					    (randnum-a  (srvstat-randnum a))
;;; 					    (randnum-b  (srvstat-randnum b)))
;;; 					(if (< numfiles-a numfiles-b) ;; Note, I don't think adding an offset works here. Goal was only move file handling to a different server if it has 2 less
;;; 					    #t
;;; 					    (if (and (equal? numfiles-a numfiles-b)
;;; 						     (< randnum-a randnum-b))
;;; 						#t
;;; 						#f))))))
;;; 		   (best      (if (null? sorted)
;;; 				  (begin
;;; 				    (print "ERROR: should never be null due to self as server.")
;;; 				    #f)
;;; 				  (srvstat-pkt (car sorted)))))
;;; 	      #;(print "SERVER(" url "): " dbname ": " (map (lambda (srv)
;;; 							    (let ((p (srvstat-pkt srv)))
;;; 							      (conc (alist-ref 'ipaddr p) ":" (alist-ref 'port p)
;;; 								    "(" (srvstat-numfiles srv)","(srvstat-randnum srv)")")))
;;; 							    sorted))
;;; 	      best))))))
;;;     
;;;     ;; send out an "I'm about to exit notice to all known servers"
;;;     ;;
;;; (define (death-imminent acfg)
;;;   '())
;;; 
;;; ;;======================================================================
;;; ;; U L E X  -  T H E   I N T E R E S T I N G   S T U F F ! !
;;; ;;======================================================================
;;; 
;;; ;; register a handler
;;; ;;   NOTES:
;;; ;;     dbinitsql   is reserved for a list of sql statements for initializing the db
;;; ;;     dbinitfn    is reserved for a db init function, if exists called after dbinitsql
;;; ;;     
;;; (define (register acfg key obj #!optional (ctype 'dbwrite))
;;;   (let ((ht (area-rtable acfg)))
;;;     (if (hash-table-exists? ht key)
;;; 	(print "WARNING: redefinition of entry " key))
;;;     (hash-table-set! ht key (make-calldat obj: obj ctype: ctype))))
;;; 
;;; ;; usage: register-batch acfg '((key1 . sql1) (key2 . sql2) ... )
;;; ;; NB// obj is often an sql query
;;; ;;
;;; (define (register-batch acfg ctype data)
;;;   (let ((ht (area-rtable acfg)))
;;;     (map (lambda (dat)
;;; 	   (hash-table-set! ht (car dat)(make-calldat obj: (cdr dat) ctype: ctype)))
;;; 	 data)))
;;; 
;;; (define (initialize-area-calls-from-specfile area specfile)
;;;   (let* ((callspec (with-input-from-file specfile read )))
;;;     (for-each (lambda (group)
;;;                 (register-batch
;;;                  area
;;;                  (car group)
;;;                  (cdr group)))
;;;               callspec)))
;;; 
;;; ;; get-rentry
;;; ;;
;;; (define (get-rentry acfg key)
;;;   (hash-table-ref/default (area-rtable acfg) key #f))
;;; 
;;; (define (get-rsql acfg key)
;;;   (let ((cdat (get-rentry acfg key)))
;;;     (if cdat
;;; 	(calldat-obj cdat)
;;; 	#f)))
;;; 
;;; 
;;; 
;;; ;; blocking call:
;;; ;;    client                         server
;;; ;;    ------                         ------
;;; ;;    call()
;;; ;;    send-message()
;;; ;;    nmsg-send()
;;; ;;                                   nmsg-receive()
;;; ;;                                   nmsg-respond(ack,cookie)
;;; ;;    ack, cookie
;;; ;;    mbox-thread-wait(cookie)
;;; ;;                                   nmsg-send(client,cookie,result)
;;; ;;        nmsg-respond(ack)
;;; ;;        return result
;;; ;;
;;; ;; reserved action:
;;; ;;    'immediate
;;; ;;    'dbinitsql
;;; ;;
;;; (define (call acfg dbname action params #!optional (count 0))
;;;   (let* ((call-start-time     (current-milliseconds))
;;; 	 (srv                 (get-best-server acfg dbname action))
;;; 	 (post-get-start-time (current-milliseconds))
;;; 	 (rdat                (hash-table-ref/default (area-rtable acfg) action #f))
;;; 	 (myid                (trim-pktid (area-pktid acfg)))
;;; 	 (srvid               (trim-pktid (alist-ref 'Z srv)))
;;; 	 (cookie              (make-cookie myid)))
;;;     (sdbg> "call" "get-best-server" call-start-time #f call-start-time " from: " myid " to server: " srvid " for " dbname " action: " action " params: " params " rdat: " rdat)
;;;     (print "INFO: call to " (alist-ref 'ipaddr srv) ":" (alist-ref 'port srv) " from " (area-myaddr acfg) ":" (area-port acfg) " for " dbname)
;;;     (if (and srv rdat) ;; need both to dispatch a request
;;; 	(let* ((ripaddr  (alist-ref 'ipaddr srv))
;;; 	       (rsrvid   (alist-ref 'Z srv))
;;; 	       (rport    (any->number (alist-ref 'port   srv)))
;;; 	       (res-full (if (and (equal? ripaddr (area-myaddr acfg))
;;; 				  (equal? rport   (area-port acfg)))
;;; 			     (request acfg ripaddr rport (area-pktid acfg) action cookie dbname params)
;;; 			     (safe-call 'request ripaddr rport
;;; 					(area-myaddr acfg)
;;; 					(area-port   acfg)
;;; 					#;(area-pktid acfg)
;;; 					rsrvid
;;; 					action cookie dbname params))))
;;; 	  ;; (print "res-full: " res-full)
;;; 	  (match res-full
;;; 	    ((response-ok response-msg rem ...)
;;; 	     (let* ((send-message-time (current-milliseconds))
;;; 		    ;; (match res-full
;;; 		    ;;  ((response-ok response-msg)
;;; 		    ;; (response-ok  (car res-full))
;;; 		    ;; (response-msg (cadr res-full)
;;; 		    )
;;; 	       ;; (res (take res-full 3))) ;; ctype == action, TODO: converge on one term <<=== what was this? BUG 
;;; 	       ;; (print "ulex:call: send-message took " (- send-message-time post-get-start-time) " ms params=" params)
;;; 	       (sdbg> "call" "send-message" post-get-start-time #f call-start-time)
;;; 	       (cond
;;; 		((not response-ok) #f)
;;; 		((member response-msg '("db read submitted" "db write submitted"))
;;; 		 (let* ((cookie-id   (cadddr res-full))
;;; 			(mbox        (make-mailbox))
;;; 			(mbox-time   (current-milliseconds)))
;;; 		   (hash-table-set! (area-cookie2mbox acfg) cookie-id mbox)
;;; 		   (let* ((mbox-timeout-secs    20)
;;; 			  (mbox-timeout-result 'MBOX_TIMEOUT)
;;; 			  (res                  (mailbox-receive! mbox mbox-timeout-secs mbox-timeout-result))
;;; 			  (mbox-receive-time    (current-milliseconds)))
;;; 		     (hash-table-delete! (area-cookie2mbox acfg) cookie-id)
;;; 		     (sdbg> "call" "mailbox-receive" mbox-time #f call-start-time " from: " myid " to server: " srvid " for " dbname)
;;; 		     ;; (print "ulex:call mailbox-receive took " (- mbox-receive-time mbox-time) "ms params=" params)
;;; 		     res)))
;;; 		(else
;;; 		 (print "Unhandled response \""response-msg"\"")
;;; 		 #f))
;;; 	       ;; depending on what action (i.e. ctype) is we will block here waiting for
;;; 	       ;; all the data (mechanism to be determined)
;;; 	       ;;
;;; 	       ;; if res is a "working on it" then wait
;;; 	       ;;    wait for result
;;; 	       ;; mailbox thread wait on 
;;; 	       
;;; 	       ;; if res is a "can't help you" then try a different server
;;; 	       ;; if res is a "ack" (e.g. for one-shot requests) then return res
;;; 	       ))
;;; 	    (else
;;; 	     (if (< count 10)
;;; 		 (let* ((url (conc (alist-ref 'ipaddr srv) ":" (alist-ref 'port srv))))
;;; 		   (thread-sleep! 1)
;;; 		   (print "ERROR: Bad result from " url ", dbname: " dbname ", action: " action ", params: " params ". Trying again in 1 second.")
;;; 		   (call acfg dbname action params (+ count 1)))
;;; 		 (begin
;;; 		   (error (conc "ERROR: " count " tries, still have improper response res-full=" res-full)))))))
;;; 	(begin
;;; 	  (if (not rdat)
;;; 	      (print "ERROR: action " action " not registered.")
;;; 	      (if (< count 10)
;;; 		 (begin
;;; 		   (thread-sleep! 1)
;;; 		   (area-hosts-set! acfg (make-hash-table)) ;; clear out all known hosts
;;; 		   (print "ERROR: no server found, srv=" srv ", trying again in 1 seconds")
;;; 		   (call acfg dbname action params (+ count 1)))
;;; 		 (begin
;;; 		   (error (conc "ERROR: no server found after 10 tries, srv=" srv ", giving up."))
;;; 		   #;(error "No server available"))))))))
;;; 
;;; 
;;; ;;======================================================================
;;; ;; U T I L I T I E S 
;;; ;;======================================================================
;;; 
;;; ;; get a signature for identifing this process
;;; ;;
;;; (define (get-process-signature)
;;;   (cons (get-host-name)(current-process-id)))
;;; 
;;; ;;======================================================================
;;; ;; S Y S T E M   S T U F F
;;; ;;======================================================================
;;; 
;;; ;; get normalized cpu load by reading from /proc/loadavg and
;;; ;; /proc/cpuinfo return all three values and the number of real cpus
;;; ;; and the number of threads returns alist '((adj-cpu-load
;;; ;; . normalized-proc-load) ... etc.  keys: adj-proc-load,
;;; ;; adj-core-load, 1m-load, 5m-load, 15m-load
;;; ;;
;;; (define (get-normalized-cpu-load)
;;;   (let ((res (get-normalized-cpu-load-raw))
;;; 	(default `((adj-proc-load . 2) ;; there is no right answer
;;; 		   (adj-core-load . 2)
;;; 		   (1m-load       . 2)
;;; 		   (5m-load       . 0) ;; causes a large delta - thus causing default of throttling if stuff goes wrong
;;; 		   (15m-load      . 0)
;;; 		   (proc          . 1)
;;; 		   (core          . 1)
;;; 		   (phys          . 1)
;;; 		   (error         . #t))))
;;;     (cond
;;;      ((and (list? res)
;;; 	   (> (length res) 2))
;;;       res)
;;;      ((eq? res #f)   default) ;; add messages?
;;;      ((eq? res #f) default)   ;; this would be the #eof
;;;      (else default))))
;;; 
;;; (define (get-normalized-cpu-load-raw)
;;;   (let* ((actual-host           (get-host-name))) ;; #f is localhost
;;;     (let ((data  (append 
;;; 		  (with-input-from-file "/proc/loadavg" read-lines)
;;; 		  (with-input-from-file "/proc/cpuinfo" read-lines)
;;; 		  (list "end")))
;;; 	  (load-rx  (regexp "^([\\d\\.]+)\\s+([\\d\\.]+)\\s+([\\d\\.]+)\\s+.*$"))
;;; 	  (proc-rx  (regexp "^processor\\s+:\\s+(\\d+)\\s*$"))
;;; 	  (core-rx  (regexp "^core id\\s+:\\s+(\\d+)\\s*$"))
;;; 	  (phys-rx  (regexp "^physical id\\s+:\\s+(\\d+)\\s*$"))
;;; 	  (max-num  (lambda (p n)(max (string->number p) n))))
;;;       ;; (print "data=" data)
;;;       (if (null? data) ;; something went wrong
;;; 	  #f
;;; 	  (let loop ((hed      (car data))
;;; 		     (tal      (cdr data))
;;; 		     (loads    #f)
;;; 		     (proc-num 0)  ;; processor includes threads
;;; 		     (phys-num 0)  ;; physical chip on motherboard
;;; 		     (core-num 0)) ;; core
;;; 	    ;; (print hed ", " loads ", " proc-num ", " phys-num ", " core-num)
;;; 	    (if (null? tal) ;; have all our data, calculate normalized load and return result
;;; 		(let* ((act-proc (+ proc-num 1))
;;; 		       (act-phys (+ phys-num 1))
;;; 		       (act-core (+ core-num 1))
;;; 		       (adj-proc-load (/ (car loads) act-proc))
;;; 		       (adj-core-load (/ (car loads) act-core))
;;; 		       (result
;;; 			(append (list (cons 'adj-proc-load adj-proc-load)
;;; 				      (cons 'adj-core-load adj-core-load))
;;; 				(list (cons '1m-load (car loads))
;;; 				      (cons '5m-load (cadr loads))
;;; 				      (cons '15m-load (caddr loads)))
;;; 				(list (cons 'proc act-proc)
;;; 				      (cons 'core act-core)
;;; 				      (cons 'phys act-phys)))))
;;; 		  result)
;;; 		(regex-case
;;; 		    hed
;;; 		  (load-rx  ( x l1 l5 l15 ) (loop (car tal)(cdr tal)(map string->number (list l1 l5 l15)) proc-num phys-num core-num))
;;; 		  (proc-rx  ( x p         ) (loop (car tal)(cdr tal) loads           (max-num p proc-num) phys-num core-num))
;;; 		  (phys-rx  ( x p         ) (loop (car tal)(cdr tal) loads           proc-num (max-num p phys-num) core-num))
;;; 		  (core-rx  ( x c         ) (loop (car tal)(cdr tal) loads           proc-num phys-num (max-num c core-num)))
;;; 		  (else 
;;; 		   (begin
;;; 		     ;; (print "NO MATCH: " hed)
;;; 		     (loop (car tal)(cdr tal) loads proc-num phys-num core-num))))))))))
;;; 
;;; (define (get-host-stats acfg)
;;;   (let ((stats-hash (area-stats acfg)))
;;;     ;; use this opportunity to remove references to dbfiles which have not been accessed in a while
;;;     (for-each
;;;      (lambda (dbname)
;;;        (let* ((stats       (hash-table-ref stats-hash dbname))
;;; 	      (last-access (stat-when stats)))
;;; 	 (if (and (> last-access 0)                             ;; if zero then there has been no access
;;; 		  (> (- (current-seconds) last-access) 10))     ;; not used in ten seconds
;;; 	     (begin
;;; 	       (print "Removing " dbname " from stats list")
;;; 	       (hash-table-delete! stats-hash dbname) ;; remove from stats hash
;;; 	       (stat-dbs-set! stats (hash-table-keys stats))))))
;;;      (hash-table-keys stats-hash))
;;;     
;;;     `(,(hash-table->alist (area-dbs acfg)) ;; dbname => randnum
;;;       ,(map (lambda (dbname)  ;; dbname is the db name
;;; 	      (cons dbname (stat-when (hash-table-ref stats-hash dbname))))
;;; 	    (hash-table-keys stats-hash))
;;;       (cpuload . ,(get-normalized-cpu-load)))))
;;;     #;(stats   . ,(map (lambda (k) ;; create an alist from the stats data
;;; 		       (cons k (stat->alist (hash-table-ref (area-stats acfg) k))))
;;; 		     (hash-table-keys (area-stats acfg))))
;;; 
;;; #;(trace
;;;  ;; assv
;;;  ;; cdr
;;;  ;; caar
;;;  ;; ;; cdr
;;;  ;; call
;;;  ;; finalize-all-db-handles
;;;  ;; get-all-server-pkts
;;;  ;; get-normalized-cpu-load
;;;  ;; get-normalized-cpu-load-raw
;;;  ;; launch
;;;  ;; nmsg-send
;;;  ;; process-db-queries
;;;  ;; receive-message
;;;  ;; std-peer-handler
;;;  ;; update-known-servers
;;;  ;; work-queue-processor
;;;  )
;;; 
;;; ;;======================================================================
;;; ;; netutil
;;; ;;   move this back to ulex-netutil.scm someday?
;;; ;;======================================================================
;;; 
;;; ;; #include <stdio.h>
;;; ;; #include <netinet/in.h>
;;; ;; #include <string.h>
;;; ;; #include <arpa/inet.h>
;;; 
;;; (foreign-declare "#include \"sys/types.h\"")
;;; (foreign-declare "#include \"sys/socket.h\"")
;;; (foreign-declare "#include \"ifaddrs.h\"")
;;; (foreign-declare "#include \"arpa/inet.h\"")
;;; 
;;; ;; get IP addresses from ALL interfaces
;;; (define get-all-ips
;;;   (foreign-safe-lambda* scheme-object ()
;;;     "
;;; 
;;; // from https://stackoverflow.com/questions/17909401/linux-c-get-default-interfaces-ip-address :
;;; 
;;; 
;;;     C_word lst = C_SCHEME_END_OF_LIST, len, str, *a;
;;; //    struct ifaddrs *ifa, *i;
;;; //    struct sockaddr *sa;
;;; 
;;;     struct ifaddrs * ifAddrStruct = NULL;
;;;     struct ifaddrs * ifa = NULL;
;;;     void * tmpAddrPtr = NULL;
;;; 
;;;     if ( getifaddrs(&ifAddrStruct) != 0)
;;;       C_return(C_SCHEME_FALSE);
;;; 
;;; //    for (i = ifa; i != NULL; i = i->ifa_next) {
;;;     for (ifa = ifAddrStruct; ifa != NULL; ifa = ifa->ifa_next) {
;;;         if (ifa->ifa_addr->sa_family==AF_INET) { // Check it is
;;;             // a valid IPv4 address
;;;             tmpAddrPtr = &((struct sockaddr_in *)ifa->ifa_addr)->sin_addr;
;;;             char addressBuffer[INET_ADDRSTRLEN];
;;;             inet_ntop(AF_INET, tmpAddrPtr, addressBuffer, INET_ADDRSTRLEN);
;;; //            printf(\"%s IP Address %s\\n\", ifa->ifa_name, addressBuffer);
;;;             len = strlen(addressBuffer);
;;;             a = C_alloc(C_SIZEOF_PAIR + C_SIZEOF_STRING(len));
;;;             str = C_string(&a, len, addressBuffer);
;;;             lst = C_a_pair(&a, str, lst);
;;;         } 
;;; 
;;; //        else if (ifa->ifa_addr->sa_family==AF_INET6) { // Check it is
;;; //            // a valid IPv6 address
;;; //            tmpAddrPtr = &((struct sockaddr_in6 *)ifa->ifa_addr)->sin6_addr;
;;; //            char addressBuffer[INET6_ADDRSTRLEN];
;;; //            inet_ntop(AF_INET6, tmpAddrPtr, addressBuffer, INET6_ADDRSTRLEN);
;;; ////            printf(\"%s IP Address %s\\n\", ifa->ifa_name, addressBuffer);
;;; //            len = strlen(addressBuffer);
;;; //            a = C_alloc(C_SIZEOF_PAIR + C_SIZEOF_STRING(len));
;;; //            str = C_string(&a, len, addressBuffer);
;;; //            lst = C_a_pair(&a, str, lst);
;;; //       }
;;; 
;;; //       else {
;;; //         printf(\" not an IPv4 address\\n\");
;;; //       }
;;; 
;;;     }
;;; 
;;;     freeifaddrs(ifa);
;;;     C_return(lst);
;;; 
;;; "))
;;; 
;;; ;; Change this to bias for addresses with a reasonable broadcast value?
;;; ;;
;;; (define (ip-pref-less? a b)
;;;   (let* ((rate (lambda (ipstr)
;;;                  (regex-case ipstr
;;;                              ( "^127\\." _ 0 )
;;;                              ( "^(10\\.0|192\\.168\\.)\\..*" _ 1 )
;;;                              ( else 2 ) ))))
;;;     (< (rate a) (rate b))))
;;;   
;;; 
;;; (define (get-my-best-address)
;;;   (let ((all-my-addresses (get-all-ips))
;;;         ;;(all-my-addresses-old (vector->list (hostinfo-addresses (hostname->hostinfo (get-host-name)))))
;;;         )
;;;     (cond
;;;      ((null? all-my-addresses)
;;;       (get-host-name))                                          ;; no interfaces?
;;;      ((eq? (length all-my-addresses) 1)
;;;       (car all-my-addresses))                      ;; only one to choose from, just go with it
;;;      
;;;      (else
;;;       (car (sort all-my-addresses ip-pref-less?)))
;;;      ;; (else 
;;;      ;;  (ip->string (car (filter (lambda (x)                      ;; take any but 127.
;;;      ;;    			 (not (eq? (u8vector-ref x 0) 127)))
;;;      ;;    		       all-my-addresses))))
;;; 
;;;      )))
;;; 
;;; (define (get-all-ips-sorted)
;;;   (sort (get-all-ips) ip-pref-less?))
;;; 
;;;