Megatest

Changes On Branch c10775f9d83a4e29
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Changes In Branch v1.80-mbi Through [c10775f9d8] Excluding Merge-Ins

This is equivalent to a diff from bcc22ebf3c to c10775f9d8

2023-04-03
15:22
Cherrypicked fix for remove-keep check-in: 5bfcab67c7 user: matt tags: v1.80
2023-03-31
17:56
Add filter to plot-uses check-in: 198baf1267 user: mrwellan tags: v1.80-mbi
16:30
Minor clean up of units check-in: c10775f9d8 user: mrwellan tags: v1.80-mbi
2023-03-30
09:28
Added rmtmod where needed check-in: 5aedc5c5f0 user: matt tags: v1.80-mbi
2023-03-29
21:59
Remove some (most?) of http-transport, client and server stuff check-in: c43db14a6d user: matt tags: v1.80-mbi
2023-03-27
19:33
Changed version to 1.8012. check-in: bcc22ebf3c user: mmgraham tags: v1.80, v1.8012
18:15
Lots of proper use of debugprint and mtargs plus some small cleanup. check-in: 7060a6d776 user: mrwellan tags: v1.80

Modified Makefile from [dd8860eb70] to [84f0ec3c1e].

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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		\
           process.scm runs.scm tasks.scm tests.scm genexample.scm	\
           http-transport.scm tdb.scm client.scm mt.scm	\
           ezsteps.scm lock-queue.scm rmt.scm api.scm		\
           subrun.scm portlogger.scm archive.scm env.scm		\
           diff-report.scm cgisetup/models/pgdb.scm

# module source files
MSRCFILES = dbfile.scm debugprint.scm mtargs.scm commonmod.scm dbmod.scm \
            tcp-transportmod.scm rmtmod.scm








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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		\
           process.scm runs.scm tasks.scm tests.scm genexample.scm	\
           tdb.scm mt.scm	\
           ezsteps.scm rmt.scm api.scm		\
           subrun.scm portlogger.scm archive.scm env.scm		\
           diff-report.scm cgisetup/models/pgdb.scm

# module source files
MSRCFILES = dbfile.scm debugprint.scm mtargs.scm commonmod.scm dbmod.scm \
            tcp-transportmod.scm rmtmod.scm

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# 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 \
	ods.o \
	portlogger.o \
	process.o \
	rmt.o \
	runconfig.o \







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# include makefile.inc

TCMTOBJS = \
	api.o \
	archive.o \
	cgisetup/models/pgdb.o \

	common.o \
	configf.o \
	db.o \
	env.o \

	items.o \
	keys.o \
	launch.o \

	margs.o \
	mt.o \
	ods.o \
	portlogger.o \
	process.o \
	rmt.o \
	runconfig.o \
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runs.o : test_records.scm

mofiles-made : $(MOFILES)
	make $(MOIMPFILES)

megatest.o : mofiles-made megatest-fossil-hash.scm megatest-version.scm $(MOFILES) $(MOIMPFILES)

rmt.scm client.scm common.scm configf.scm dashboard-guimonitor.scm dashboard-tests.scm dashboard.scm db.scm dcommon.scm ezsteps.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 megatest-version.scm

common_records.scm : altdb.scm

mofiles/dbfile.o : mofiles/commonmod.o

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







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runs.o : test_records.scm

mofiles-made : $(MOFILES)
	make $(MOIMPFILES)

megatest.o : mofiles-made megatest-fossil-hash.scm megatest-version.scm $(MOFILES) $(MOIMPFILES)

rmt.scm common.scm configf.scm dashboard-guimonitor.scm dashboard-tests.scm dashboard.scm db.scm dcommon.scm ezsteps.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 megatest-version.scm

common_records.scm : altdb.scm

mofiles/dbfile.o : mofiles/commonmod.o

# mofiles/stml2.o : mofiles/cookie.o
# configf.o : mofiles/commonmod.o
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	if  csi -ne '(import mysql-client)'&> /dev/null;then \
           echo "(import mysql-client)(hash-table-set! *available-db* 'mysql #t)" >> altdb.scm; \
	fi
	if csi -ne '(import postgresql)'&> /dev/null;then \
	   echo "(import postgresql)(hash-table-set! *available-db* 'postgresql #t)" >> altdb.scm;\
	fi

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 genexample.o gutils.o http-transport.o items.o keys.o launch.o lock-queue.o margs.o mt.o ods.o portlogger.o process.o rmt.o runconfig.o runs.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 genexample.o gutils.o http-transport.o items.o keys.o launch.o lock-queue.o margs.o mt.o ods.o portlogger.o process.o rmt.o runconfig.o runs.o server.o synchash.o tasks.o tdb.o tests.o tree.o










# create a pdf dot graphviz diagram from notations in rmt.scm
rmt.pdf : rmt.scm
	grep ';;DOT' rmt.scm | sed -e 's/.*;;DOT //' > rmt.dot;dot -Tpdf rmt.dot -o rmt.pdf

buildmanual:
	cd docs/manual && make

wikipage=plan
editwiki:
	cd docs/manual && ../../utils/editwiki $(wikipage)

viewmanual:
	arora docs/manual/megatest_manual.html

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


unit :
	cd tests;make unit







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	if  csi -ne '(import mysql-client)'&> /dev/null;then \
           echo "(import mysql-client)(hash-table-set! *available-db* 'mysql #t)" >> altdb.scm; \
	fi
	if csi -ne '(import postgresql)'&> /dev/null;then \
	   echo "(import postgresql)(hash-table-set! *available-db* 'postgresql #t)" >> altdb.scm;\
	fi

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

unitdeps.dot : *scm ./utils/plot-uses
	./utils/plot-uses todot *.scm > unitdeps.dot

unitdeps.pdf : unitdeps.dot
	dot unitdeps.dot -Tpdf -o unitdeps.pdf

./utils/plot-uses : utils/plot-uses.scm
	csc utils/plot-uses.scm

# create a pdf dot graphviz diagram from notations in rmt.scm
rmt.pdf : rmt.scm
	grep ';;DOT' rmt.scm | sed -e 's/.*;;DOT //' > rmt.dot;dot -Tpdf rmt.dot -o rmt.pdf

buildmanual:
	cd docs/manual && make








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


unit :
	cd tests;make unit

Modified api.scm from [ff600f6f10] to [8894c9cdb4].

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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 api))
(declare (uses rmt))
(declare (uses db))
(declare (uses debugprint))
(declare (uses dbmod))
(declare (uses dbfile))
(declare (uses tasks))
(declare (uses tcp-transportmod))








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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 api))

(declare (uses db))
(declare (uses debugprint))
(declare (uses dbmod))
(declare (uses dbfile))
(declare (uses tasks))
(declare (uses tcp-transportmod))

Modified apimod.scm from [a7cef484dc] to [eede50dabc].

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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 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:))


)







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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 apimod))
(declare (uses commonmod))


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



)

Modified archive.scm from [d5e209de94] to [e07377cf5e].

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(declare (unit archive))
(declare (uses db))
(declare (uses debugprint))
(declare (uses mtargs))
(declare (uses common))
(declare (uses commonmod))


(use (prefix sqlite3 sqlite3:) srfi-1 posix regex regex-case srfi-69
     format md5 message-digest srfi-18)

(import commonmod
	debugprint

	(prefix mtargs args:))

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

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







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(declare (unit archive))
(declare (uses db))
(declare (uses debugprint))
(declare (uses mtargs))
(declare (uses common))
(declare (uses commonmod))
(declare (uses rmtmod))

(use (prefix sqlite3 sqlite3:) srfi-1 posix regex regex-case srfi-69
     format md5 message-digest srfi-18)

(import commonmod
	debugprint
	rmtmod
	(prefix mtargs args:))

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

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

Added attic/client.scm version [f0a5f3a990].





























































































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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/>.

;;======================================================================
;; C L I E N T S
;;======================================================================

(declare (unit client))

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

(use srfi-18 extras tcp s11n srfi-1 posix regex srfi-69 hostinfo md5
     message-digest matchable spiffy uri-common intarweb http-client
     spiffy-request-vars uri-common intarweb directory-utils)

(import commonmod
	debugprint)

(module client
*

)

(import client)

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

Added attic/http-transport.scm version [235baaba81].









































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































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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/>.

(declare (unit http-transport))

(declare (uses common))
(declare (uses debugprint))
(declare (uses db))
(declare (uses tests))
(declare (uses tasks)) ;; tasks are where stuff is maintained about what is running.
(declare (uses server))
;; (declare (uses daemon))
(declare (uses portlogger))
(declare (uses rmt))
(declare (uses dbfile))
(declare (uses commonmod))
(declare (uses mtargs))

(module http-transport
*


(import srfi-1 posix regex regex-case srfi-69 hostinfo md5
	message-digest posix-extras spiffy uri-common intarweb http-client
	spiffy-request-vars intarweb spiffy-directory-listing
	(srfi 18) extras tcp s11n)

(import scheme
	chicken
	
	(prefix mtargs args:)
	debugprint)

;; Configurations for server
(tcp-buffer-size 2048)
(max-connections 2048) 

(include "common_records.scm")
(include "db_records.scm")
(include "js-path.scm")

(import dbfile commonmod)

(require-library stml)
(define (http-transport:make-server-url hostport)
  (if (not hostport)
      #f
      (conc "http://" (car hostport) ":" (cadr hostport))))

(define *server-loop-heart-beat* (current-seconds))

;;======================================================================
;; S E R V E R
;; ======================================================================

;; Call this to start the actual server
;;

(define *db:process-queue-mutex* (make-mutex))

(define (http-transport:run hostn)
  ;; Configurations for server
  (tcp-buffer-size 2048)
  (max-connections 2048) 
  (debug:print 2 *default-log-port* "Attempting to start the server ...")
  (let* ((db              #f) ;;        (open-db)) ;; we don't want the server to be opening and closing the db unnecesarily
	 (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      (portlogger:open-run-close portlogger:find-port))
	 (link-tree-path  (common:get-linktree))
	 (tmp-area        (common:get-db-tmp-area))
	 (start-file      (conc tmp-area "/.server-start")))
    (debug:print-info 0 *default-log-port* "portlogger recommended port: " start-port)
    ;; set some parameters for the server
    (root-path     (if link-tree-path 
		       link-tree-path
		       (current-directory))) ;; WARNING: SECURITY HOLE. FIX ASAP!
    (handle-directory spiffy-directory-listing)
    (handle-exception (lambda (exn chain)
			(signal (make-composite-condition
				 (make-property-condition 
				  'server
				  'message "server error")))))

    ;; http-transport:handle-directory) ;; simple-directory-handler)
    ;; Setup the web server and a /ctrl interface
    ;;
    (vhost-map `(((* any) . ,(lambda (continue)
			       ;; open the db on the first call 
				 ;; This is were we set up the database connections
			       (let* (($   (request-vars source: 'both))
				      (dat ($ 'dat))
				      (res #f))
				 (cond
				  ((equal? (uri-path (request-uri (current-request)))
					   '(/ "api"))
				   (send-response body:    (api:process-request *dbstruct-dbs* $) ;; the $ is the request vars proc
						  headers: '((content-type text/plain)))
				   (mutex-lock! *heartbeat-mutex*)
				   (set! *db-last-access* (current-seconds))
				   (mutex-unlock! *heartbeat-mutex*))
				  ((equal? (uri-path (request-uri (current-request))) 
					   '(/ ""))
				   (send-response body: (http-transport:main-page)))
				  ((equal? (uri-path (request-uri (current-request))) 
					   '(/ "json_api"))
				   (send-response body: (http-transport:main-page)))
				  ((equal? (uri-path (request-uri (current-request))) 
					   '(/ "runs"))
				   (send-response body: (http-transport:main-page)))
				  ((equal? (uri-path (request-uri (current-request))) 
					   '(/ any))
				   (send-response body: "hey there!\n"
						  headers: '((content-type text/plain))))
				  ((equal? (uri-path (request-uri (current-request))) 
					   '(/ "hey"))
				   (send-response body: "hey there!\n" 
						  headers: '((content-type text/plain))))
                                  ((equal? (uri-path (request-uri (current-request))) 
					   '(/ "jquery3.1.0.js"))
				   (send-response body: (http-transport:show-jquery) 
						  headers: '((content-type application/javascript))))
                                  ((equal? (uri-path (request-uri (current-request))) 
					   '(/ "test_log"))
				   (send-response body: (http-transport:html-test-log $) 
						  headers: '((content-type text/HTML))))    
                                  ((equal? (uri-path (request-uri (current-request))) 
					   '(/ "dashboard"))
				   (send-response body: (http-transport:html-dboard $) 
						  headers: '((content-type text/HTML)))) 
				  (else (continue))))))))
    (handle-exceptions
	exn
      (debug:print 0 *default-log-port* "Failed to create file " start-file ", exn=" exn)
      (with-output-to-file start-file (lambda ()(print (current-process-id)))))
    (http-transport:try-start-server ipaddrstr start-port)))

;; This is recursively run by http-transport:run until sucessful
;;
(define (http-transport:try-start-server ipaddrstr portnum)
  (let ((config-hostname (configf:lookup *configdat* "server" "hostname"))
	(config-use-proxy (equal? (configf:lookup *configdat* "client" "use-http_proxy") "yes")))
    (if (not config-use-proxy)
	(determine-proxy (constantly #f)))
    (debug:print-info 0 *default-log-port* "http-transport:try-start-server time=" (seconds->time-string (current-seconds)) " ipaddrsstr=" ipaddrstr " portnum=" portnum " config-hostname=" config-hostname)
    (handle-exceptions
	exn
	(begin
	  ;; (print-error-message exn)
	  (if (< portnum 64000)
	      (begin 
		(debug:print 0 *default-log-port* "WARNING: attempt to start server failed. Trying again ...")
		(debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
		(debug:print 5 *default-log-port* "exn=" (condition->list exn))
		(portlogger:open-run-close portlogger:set-failed portnum)
		(debug:print 0 *default-log-port* "WARNING: failed to start on portnum: " portnum ", trying next port")
		(thread-sleep! 0.1)
		
		;; get_next_port goes here
		(http-transport:try-start-server ipaddrstr
						 (portlogger:open-run-close portlogger:find-port)))
	      (begin
		(debug:print 0 *default-log-port* "ERROR: Tried and tried but could not start the server"))))
      ;; any error in following steps will result in a retry
      (set! *server-info* (list ipaddrstr portnum))
      (debug:print 0 *default-log-port* "INFO: Trying to start server on " ipaddrstr ":" portnum)
      ;; This starts the spiffy server
      ;; NEED WAY TO SET IP TO #f TO BIND ALL
      ;; (start-server bind-address: ipaddrstr port: portnum)
      (if config-hostname ;; this is a hint to bind directly
	  (start-server port: portnum) ;; bind-address: (if (equal? config-hostname "-")
					;;		ipaddrstr
					;;		config-hostname))
	  (start-server port: portnum))
      (portlogger:open-run-close portlogger:set-port portnum "released")
      (debug:print 1 *default-log-port* "INFO: server has been stopped"))))

;;======================================================================
;; S E R V E R   U T I L I T I E S 
;;======================================================================

;;======================================================================
;; C L I E N T S
;;======================================================================

(define *http-mutex* (make-mutex))

;; NOTE: Large block of code from 32436b426188080f72fceb6894af541fbad9921e removed here
;;       I'm pretty sure it is defunct.

;; This next block all imported en-mass from the api branch
(define *http-requests-in-progress* 0)
(define *http-connections-next-cleanup* (current-seconds))

(define (http-transport:get-time-to-cleanup)
  (let ((res #f))
    (mutex-lock! *http-mutex*)
    (set! res (> (current-seconds) *http-connections-next-cleanup*))
    (mutex-unlock! *http-mutex*)
    res))

(define (http-transport:inc-requests-count)
  (mutex-lock! *http-mutex*)
  (set! *http-requests-in-progress* (+ 1 *http-requests-in-progress*))
  ;; Use this opportunity to slow things down iff there are too many requests in flight
  (if (> *http-requests-in-progress* 5)
      (begin
	(debug:print-info 0 *default-log-port* "Whoa there buddy, ease up...")
	(thread-sleep! 1)))
  (mutex-unlock! *http-mutex*))

(define (http-transport:dec-requests-count proc) 
  (mutex-lock! *http-mutex*)
  (proc)
  (set! *http-requests-in-progress* (- *http-requests-in-progress* 1))
  (mutex-unlock! *http-mutex*))

(define (http-transport:dec-requests-count-and-close-all-connections)
  (set! *http-requests-in-progress* (- *http-requests-in-progress* 1))
  (let loop ((etime (+ (current-seconds) 5))) ;; give up in five seconds
    (if (> *http-requests-in-progress* 0)
	(if (> etime (current-seconds))
	    (begin
	      (thread-sleep! 0.05)
	      (loop etime))
	    (debug:print-error 0 *default-log-port* "requests still in progress after 5 seconds of waiting. I'm going to pass on cleaning up http connections"))
	(close-all-connections!)))
  (set! *http-connections-next-cleanup* (+ (current-seconds) 10))
  (mutex-unlock! *http-mutex*))

(define (http-transport:inc-requests-and-prep-to-close-all-connections)
  (mutex-lock! *http-mutex*)
  (set! *http-requests-in-progress* (+ 1 *http-requests-in-progress*)))

;; Send "cmd" with json payload "params" to serverdat and receive result
;;
(define (http-transport:client-api-send-receive run-id runremote cmd params #!key (numretries 3))
  (assert (remote? runremote) "FATAL: http-transport:client-api-send-receive called with serverdat="serverdat)
  (let* ((fullurl    (remote-api-req runremote))
	 (res        (vector #f "uninitialized"))
	 (success    #t)
	 (sparams    (db:obj->string params transport: 'http))
         (server-id  (remote-server-id runremote)))
       (debug:print-info 11 *default-log-port* "cmd=" cmd " fullurl=" fullurl " server-id=" server-id " current time:" (current-seconds)) 

       ;; set up the http-client here
       (max-retry-attempts 1)
       ;; consider all requests indempotent
       (retry-request? (lambda (request)
			 #f))
       ;; send the data and get the response
       ;; extract the needed info from the http data and 
       ;; process and return it.
       (let* ((send-recieve (lambda ()
			      (mutex-lock! *http-mutex*)
			      ;; (condition-case (with-input-from-request "http://localhost"; #f read-lines)
			      ;;					       ((exn http client-error) e (print e)))
			      (set! res (vector                ;;; DON'T FORGET - THIS IS THE CLIENT SIDE! NOTE: consider moving this to client.scm since we are only supporting http transport at this time.
					 success
					 (db:string->obj 
					  (handle-exceptions
					      exn
					      (let ((call-chain (get-call-chain))
						    (msg        ((condition-property-accessor 'exn 'message) exn)))
						(set! success #f)
                                                (if (debug:debug-mode 1)
                                                    (debug:print-info 0 *default-log-port* "couldn't talk to server, trying again ...")
                                                    (begin
                                                      (debug:print 0 *default-log-port* "WARNING: failure in with-input-from-request to " fullurl ".")
                                                      (debug:print 0 *default-log-port* " message: " msg ", exn=" exn)
                                                      (debug:print 0 *default-log-port* " cmd: " cmd " params: " params " key:" (or server-id "thekey"))
                                                      (debug:print 0 *default-log-port* " call-chain: " call-chain)))
						;; what if another thread is communicating ok? Can't happen due to mutex
						(http-transport:close-connections runremote)
						(mutex-unlock! *http-mutex*)
						;; (close-connection! fullurl)
						(db:obj->string #f))
					      (with-input-from-request ;; was dat
					       fullurl 
					       (list (cons 'key (or server-id   "thekey"))
						     (cons 'cmd cmd)
						     (cons 'params sparams))
					       read-string))
					  transport: 'http)
					 0)) ;; added this speculatively
			      ;; Shouldn't this be a call to the managed call-all-connections stuff above?
			      ;; (close-all-connections!) ;; BUG? WHY IS THIS HERE? Are we failing to reuse connections?
			      (mutex-unlock! *http-mutex*)
			      ))
	      (time-out     (lambda ()
			      (thread-sleep! 45)
			      (debug:print 0 *default-log-port* "WARNING: send-receive took more than 45 seconds!!")
			      #f))
	      (th1 (make-thread send-recieve "with-input-from-request"))
	      (th2 (make-thread time-out     "time out")))
	 (thread-start! th1)
	 (thread-start! th2)
	 (thread-join! th1)
          (vector-set! res 0 success)
	 (thread-terminate! th2)
	 (if (vector? res)
	     (if (vector-ref res 0) ;; this is the first flag or the second flag? 
                 (let* ((res-dat (vector-ref res 1)))
                    (if (and (string? res-dat) (string-contains res-dat "server-id mismatch"))
                     (signal (make-composite-condition
		          (make-property-condition 
		       'servermismatch
		       'message  (vector-ref res 1))))       
		      res)) ;; this is the *inner* vector? seriously? why?
                 (if (debug:debug-mode 11)
                     (let ((call-chain (get-call-chain))) ;; note: this code also called in nmsg-transport - consider consolidating it
                       (print-call-chain (current-error-port))
                       (debug:print-error 11 *default-log-port* "error above occured at server, res=" res) ;; " message: " ((condition-property-accessor 'exn 'message) exn))
                       (debug:print 11 *default-log-port* " server call chain:")
                       (pp (vector-ref res 1) (current-error-port))
                       (signal (vector-ref res 0)))
                     res))
	     (signal (make-composite-condition
		      (make-property-condition 
		       'timeout
		       'message "nmsg-transport:client-api-send-receive-raw timed out talking to server")))))))

;; careful closing of connections stored in *runremote*
;;
(define (http-transport:close-connections runremote)
  (if (remote? runremote)
      (let ((api-dat (remote-api-uri runremote)))
	(handle-exceptions
	    exn
	  (begin
	    (print-call-chain *default-log-port*)
	    (debug:print-error 0 *default-log-port* " closing connection failed with error: " ((condition-property-accessor 'exn 'message) exn) ", exn=" exn))
	  (if (args:any-defined? "-server" "-execute" "-run")
	      (debug:print-info 0 *default-log-port* "Closing connections to "api-dat))
	  (if api-dat (close-connection! api-dat))

	  ;; Would it be better to set *runremote* to #f? I don't think so. But we may
	  ;; need to clear more of the runremote fields
	  (remote-api-url-set! runremote #f) ;; used as a flag for connection up and running
	  
	  #t))
      #f))

;; run http-transport:keep-running in a parallel thread to monitor that the db is being 
;; used and to shutdown after sometime if it is not.
;;
(define (http-transport:keep-running) 
  ;; if none running or if > 20 seconds since 
  ;; server last used then start shutdown
  ;; This thread waits for the server to come alive
  (debug:print-info 0 *default-log-port* "Starting the sync-back, keep alive thread in server")
  (let* ((servinfofile      #f)
	 (sdat              #f)
	 (no-sync-db        (db:open-no-sync-db))
	 (tmp-area          (common:get-db-tmp-area))
	 (started-file      (conc tmp-area "/.server-started"))
	 (server-start-time (current-seconds))
	 (server-info (let loop ((start-time (current-seconds))
				 (changed    #t)
				 (last-sdat  "not this"))
                        (begin ;; let ((sdat #f))
			  (thread-sleep! 0.01)
			  (debug:print-info 0 *default-log-port* "Waiting for server alive signature")
                          (mutex-lock! *heartbeat-mutex*)
                          (set! sdat *server-info*)
                          (mutex-unlock! *heartbeat-mutex*)
                          (if (and sdat
				   (not changed)
				   (> (- (current-seconds) start-time) 2))
			      (let* ((servinfodir (server:get-servinfo-dir *toppath*)) ;; (conc *toppath*"/.servinfo"))
				     (ipaddr      (car sdat))
				     (port        (cadr sdat))
				     (servinf     (conc servinfodir"/"ipaddr":"port)))
				(set! servinfofile servinf)
				(if (not (file-exists? servinfodir))
				    (create-directory servinfodir #t))
				(with-output-to-file servinf
				  (lambda ()
				    (let* ((serv-id (server:mk-signature)))
				      (set! *server-id* serv-id)
				      (print "SERVER STARTED: "ipaddr":"port" AT "(current-seconds)" server-id: "serv-id" pid: "(current-process-id))
				      (print "started: "(seconds->year-week/day-time (current-seconds))))))
				(set! *on-exit-procs* (cons
						       (lambda ()
							 (delete-file* servinf))
						       *on-exit-procs*))
				;; put data about this server into a simple flat file host.port
				(debug:print-info 0 *default-log-port* "Received server alive signature")
				sdat)
                              (begin
				(debug:print-info 0 *default-log-port* "Still waiting, last-sdat=" last-sdat)
                                (sleep 4)
				(if (> (- (current-seconds) start-time) 120) ;; been waiting for two minutes
                                    (if sdat 
				      (let* ((ipaddr  (car sdat))
					   (port    (cadr sdat))
					   (servinf (conc (server:get-servinfo-dir *toppath*)"/"ipaddr":"port)))
				        (debug:print-error 0 *default-log-port* "transport appears to have died, exiting server")
				      (exit))
                                      (exit)
                                    )
				    (loop start-time
					  (equal? sdat last-sdat)
					  sdat)))))))
	 (iface       (car server-info))
         (port        (cadr server-info))
         (last-access 0)
	 (server-timeout (server:expiration-timeout))
	 (server-going  #f)
	 (server-log-file (args:get-arg "-log"))) ;; always set when we are a server

    (handle-exceptions
	exn
      (debug:print 0 *default-log-port* "Failed to create " started-file ", exn=" exn)
      (with-output-to-file started-file (lambda ()(print (current-process-id)))))

    (let loop ((count         0)
	       (server-state 'available)
	       (bad-sync-count 0)
	       (start-time     (current-milliseconds)))

      ;; Use this opportunity to sync the tmp db to megatest.db
      (if (not server-going) ;; *dbstruct-dbs* 
	  (begin
	    (debug:print 0 *default-log-port* "SERVER: dbprep")
	    (set! *dbstruct-dbs*  (db:setup #t)) ;;  run-id)) FIXME!!!
	    (set! server-going #t)
	    (debug:print 0 *default-log-port* "SERVER: running, megatest version: " (common:get-full-version))) ;; NOTE: the server is NOT yet marked as running in the log. We do that in the keep-running routine.
	  (if (and no-sync-db
		   (common:low-noise-print 10 "sync-all")) ;; cheesy way to reduce frequency of running sync :)
              (begin
		(if (common:low-noise-print 120 "sync-all-print")
                    (debug:print 0 *default-log-port* "keep-running calling db:all-db-sync at " (time->string (seconds->local-time) "%H:%M:%S")))
		(db:all-db-sync *dbstruct-dbs*)
		)))
      
      ;; when things go wrong we don't want to be doing the various queries too often
      ;; so we strive to run this stuff only every four seconds or so.
      (let* ((sync-time (- (current-milliseconds) start-time))
	    (rem-time  (quotient (- 4000 sync-time) 1000)))
	(if (and (<= rem-time 4)
		 (>  rem-time 0))
	    (thread-sleep! rem-time)))
      
      (if (< count 1) ;; 3x3 = 9 secs aprox
	  (loop (+ count 1) 'running bad-sync-count (current-milliseconds)))
      
      ;; Check that iface and port have not changed (can happen if server port collides)
      (mutex-lock! *heartbeat-mutex*)
      (set! sdat *server-info*)
      (mutex-unlock! *heartbeat-mutex*)
      
      (if (not (equal? sdat (list iface port)))
	  (let ((new-iface (car sdat))
		(new-port  (cadr sdat)))
	    (debug:print-info 0 *default-log-port* "WARNING: interface changed, refreshing iface and port info")
	    (set! iface new-iface)
	    (set! port  new-port)
             (if (not *server-id*)
		 (set! *server-id* (server:mk-signature)))
	    (debug:print 0 *default-log-port* "SERVER STARTED: " iface ":" port " AT " (current-seconds) " server-id: " *server-id*)
	    (flush-output *default-log-port*)))
      
      ;; Transfer *db-last-access* to last-access to use in checking that we are still alive
      (mutex-lock! *heartbeat-mutex*)
      (set! last-access *db-last-access*)
      (mutex-unlock! *heartbeat-mutex*)
      
      (if (common:low-noise-print 120 (conc "server running on " iface ":" port))
	  (begin
             (if (not *server-id*)
		 (set! *server-id* (server:mk-signature)))
             (debug:print 0 *default-log-port* (current-seconds) (current-directory) (current-process-id) (argv))   
	     (debug:print 0 *default-log-port* "SERVER STARTED: " iface ":" port " AT " (current-seconds) " server-id: " *server-id*)
	     (flush-output *default-log-port*)))
      (if (common:low-noise-print 60 "dbstats")
	  (begin
	    (debug:print 0 *default-log-port* "Server stats:")
	    (db:print-current-query-stats)))
      (let* ((hrs-since-start  (/ (- (current-seconds) server-start-time) 3600)))
	(cond
         ((and *server-run*
	       (> (+ last-access server-timeout)
		  (current-seconds)))
          (if (common:low-noise-print 120 "server continuing")
              (debug:print-info 0 *default-log-port* "Server continuing, seconds since last db access: " (- (current-seconds) last-access))
	      (let ((curr-time (current-seconds)))
		(handle-exceptions
		    exn
		    (debug:print 0 *default-log-port* "ERROR: Failed to change timestamp on info file " servinfofile ". Are you out of space on that disk? exn=" exn)
		    (if (and ;; (< (- (current-seconds) server-start-time) 600) ;; run for ten minutes for experiment, 3600 thereafter
			     (not *server-overloaded*)
			     (file-exists? servinfofile))
			(change-file-times servinfofile curr-time curr-time)))
		(if (and (common:low-noise-print 120 "start new server")
			(> *api-process-request-count* 50)) ;; if this server is kind of busy start up another
		    (begin
		      (debug:print-info 0 *default-log-port* "Server is busy, api-count "*api-process-request-count*", start another if possible...")
		      (server:kind-run *toppath*)
		      (if (> *api-process-request-count* 100)
			  (begin
			    (debug:print-info 0 *default-log-port* "Server is overloaded at api-count=" *api-process-request-count*", removing "servinfofile) 
			    (delete-file* servinfofile)))))))
          (loop 0 server-state bad-sync-count (current-milliseconds)))
         (else
          (debug:print-info 0 *default-log-port* "Server timed out. seconds since last db access: " (- (current-seconds) last-access))
          (http-transport:server-shutdown port)))))))

(define (http-transport:server-shutdown port)
  (begin
    ;;(BB> "http-transport:server-shutdown called")
    (debug:print-info 0 *default-log-port* "Starting to shutdown the server. pid="(current-process-id))
    ;;
    ;; start_shutdown
    ;;
    (set! *time-to-exit* #t) ;; tell on-exit to be fast as we've already cleaned up
    (portlogger:open-run-close portlogger:set-port port "released")
    (thread-sleep! 1)

    ;; (debug:print-info 0 *default-log-port* "Max cached queries was    " *max-cache-size*)
    ;; (debug:print-info 0 *default-log-port* "Number of cached writes   " *number-of-writes*)
    ;; (debug:print-info 0 *default-log-port* "Average cached write time "
    ;; 		      (if (eq? *number-of-writes* 0)
    ;; 			  "n/a (no writes)"
    ;; 			  (/ *writes-total-delay*
    ;; 			     *number-of-writes*))
    ;; 		      " ms")
    ;; (debug:print-info 0 *default-log-port* "Number non-cached queries "  *number-non-write-queries*)
    ;; (debug:print-info 0 *default-log-port* "Average non-cached time   "
    ;; 		      (if (eq? *number-non-write-queries* 0)
    ;; 			  "n/a (no queries)"
    ;; 			  (/ *total-non-write-delay* 
    ;; 			     *number-non-write-queries*))
    ;; 		      " ms")
    
    (db:print-current-query-stats)
    #;(common:save-pkt `((action . exit)
                       (T      . server)
                       (pid    . ,(current-process-id)))
    *configdat* #t)

    ;; remove .servinfo file(s) here
    
    (debug:print-info 0 *default-log-port* "Server shutdown complete. Exiting")
    (exit)))

;; all routes though here end in exit ...
;;
;; start_server? 
;;
(define (http-transport:launch)
  ;; check the .servinfo directory, are there other servers running on this
  ;; or another host?
  (let* ((server-start-is-ok  (server:minimal-check *toppath*)))
    (if (not server-start-is-ok)
	(begin
	  (debug:print 0 *default-log-port* "ERROR: server start not ok, exiting now.")
	  (exit 1))))
    
  ;; check that a server start is in progress, pause or exit if so
  (let* ((th2 (make-thread (lambda ()
                             (debug:print-info 0 *default-log-port* "Server run thread started")
                             (http-transport:run 
                              (if (args:get-arg "-server")
                                  (args:get-arg "-server")
                                  "-")
                              )) "Server run"))
         (th3 (make-thread (lambda ()
                             (debug:print-info 0 *default-log-port* "Server monitor thread started")
                             (http-transport:keep-running)
                             "Keep running"))))
    (thread-start! th2)
    (thread-sleep! 0.25) ;; give the server time to settle before starting the keep-running monitor.
    (thread-start! th3)
    (set! *didsomething* #t)
    (thread-join! th2)
    (exit)))

;; (define (http-transport:server-signal-handler signum)
;;   (signal-mask! signum)
;;   (handle-exceptions
;;    exn
;;    (debug:print 0 *default-log-port* " ... exiting ...")
;;    (let ((th1 (make-thread (lambda ()
;; 			     (thread-sleep! 1))
;; 			   "eat response"))
;; 	 (th2 (make-thread (lambda ()
;; 			     (debug:print-error 0 *default-log-port* "Received ^C, attempting clean exit. Please be patient and wait a few seconds before hitting ^C again.")
;; 			     (thread-sleep! 3) ;; give the flush three seconds to do it's stuff
;; 			     (debug:print 0 *default-log-port* "       Done.")
;; 			     (exit 4))
;; 			   "exit on ^C timer")))
;;      (thread-start! th2)
;;      (thread-start! th1)
;;      (thread-join! th2))))

;;===============================================
;; Java script
;;===============================================
(define (http-transport:show-jquery)
  (let* ((data  (tests:readlines *java-script-lib*)))
(string-join data "\n")))



;;======================================================================
;; web pages
;;======================================================================

(define (http-transport:html-test-log $)
   (let* ((run-id ($ 'runid))
         (test-item ($ 'testname))
         (parts (string-split test-item ":"))
         (test-name (car parts))
             
         (item-name (if (equal? (length parts) 1)
             ""
             (cadr parts))))
  ;(print $) 
(tests:get-test-log run-id test-name item-name)))


(define (http-transport:html-dboard $)
  (let* ((page ($ 'page))
         (oup       (open-output-string)) 
         (bdy "--------------------------")

         (ret  (tests:dynamic-dboard page)))
    (s:output-new  oup  ret)
   (close-output-port oup)

  (set! bdy   (get-output-string oup))
     (conc "<h1>Dashboard</h1>" bdy "<br/> <br/> "  )))

(define (http-transport:main-page)
  (let ((linkpath (root-path)))
    (conc "<head><h1>" (pathname-strip-directory *toppath*) "</h1></head>"
	  "<body>"
	  "Run area: " *toppath*
	  "<h2>Server Stats</h2>"
	  (http-transport:stats-table) 
	  "<hr>"
	  (http-transport:runs linkpath)
	  "<hr>"
	  ;; (http-transport:run-stats)
	  "</body>"
	  )))

(define (http-transport:stats-table)
  (mutex-lock! *heartbeat-mutex*)
  (let ((res 
	 (conc "<table>"
	       ;; "<tr><td>Max cached queries</td>        <td>" *max-cache-size* "</td></tr>"
	       "<tr><td>Number of cached writes</td>   <td>" *number-of-writes* "</td></tr>"
	       "<tr><td>Average cached write time</td> <td>" (if (eq? *number-of-writes* 0)
								 "n/a (no writes)"
								 (/ *writes-total-delay*
								    *number-of-writes*))
	       " ms</td></tr>"
	       "<tr><td>Number non-cached queries</td> <td>"  *number-non-write-queries* "</td></tr>"
	       ;; "<tr><td>Average non-cached time</td>   <td>" (if (eq? *number-non-write-queries* 0)
	       ;; 							 "n/a (no queries)"
	       ;; 							 (/ *total-non-write-delay* 
	       ;; 							    *number-non-write-queries*))
	       " ms</td></tr>"
	       "<tr><td>Last access</td><td>"              (seconds->time-string *db-last-access*) "</td></tr>"
	       "</table>")))
    (mutex-unlock! *heartbeat-mutex*)
    res))

(define (http-transport:runs linkpath)
  (conc "<h3>Runs</h3>"
	(string-intersperse
	 (let ((files (map pathname-strip-directory (glob (conc linkpath "/*")))))
	   (map (lambda (p)
		  (conc "<a href=\"" p "\">" p "</a><br>"))
		files))
	 " ")))

#;(define (http-transport:run-stats)
  (let ((stats (open-run-close db:get-running-stats #f)))
    (conc "<table>"
	  (string-intersperse
	   (map (lambda (stat)
		  (conc "<tr><td>" (car stat) "</td><td>" (cadr stat) "</td></tr>"))
		stats)
	   " ")
	  "</table>")))
)

Added attic/index-tree.scm version [6384bce0d0].



























































































































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;;======================================================================
;; Copyright 2006-2013, 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/>.
;;
;;======================================================================

;;======================================================================
;; Tests
;;======================================================================

(use sqlite3 srfi-1 posix regex regex-case srfi-69 dot-locking tcp directory-utils)
(import (prefix sqlite3 sqlite3:))

(declare (unit tests))
(declare (uses lock-queue))
(declare (uses db))
(declare (uses common))
(declare (uses items))
(declare (uses runconfig))
(declare (uses commonmod))
(import commonmod)

(include "common_records.scm")
(include "key_records.scm")
(include "db_records.scm")
(include "run_records.scm")
(include "test_records.scm")

;; Populate the links tree with index.html files
;;
;;   - start from most recent tests and work towards oldest -OR-
;;     start from deepest hierarchy and work way up
;;   - look up tests in megatest.db
;;   - cross-reference the tests to stats.db
;;   - if newer than event_time in stats.db or not registered in stats.db regenerate
;;   - run du and store in stats.db
;;   - when all tests at that level done generate next level up index.html
;; 
;;     include in rollup html index.html:
;;          sum of du
;;          counts of PASS, FAIL, RUNNING, REMOTEHOSTSTART, LAUNCHED, CHECK etc.
;;          overall status
;;
;;     include in test specific index.html:
;;          host, uname, cpu graph, disk avail graph, steps, data
;;          meta data, state, status, du
;;          

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;; Copyright 2006-2013, 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/>.
;;

(use (prefix sqlite3 sqlite3:) srfi-18)

(declare (unit lock-queue))
(declare (uses common))
(declare (uses debugprint))
(declare (uses tasks))
(declare (uses commonmod))

(import commonmod
	debugprint)

;;======================================================================
;; attempt to prevent overlapping updates of rollup files by queueing
;; update requests in an sqlite db
;;======================================================================

;;======================================================================
;; db record, <vector db path-to-db>
;;======================================================================

(define (make-lock-queue:db-dat)(make-vector 3))
(define-inline (lock-queue:db-dat-get-db        vec)    (vector-ref  vec 0))
(define-inline (lock-queue:db-dat-get-path      vec)    (vector-ref  vec 1))
(define-inline (lock-queue:db-dat-set-db!       vec val)(vector-set! vec 0 val))
(define-inline (lock-queue:db-dat-set-path!     vec val)(vector-set! vec 1 val))

(define (lock-queue:delete-lock-db dbdat)
  (let ((fname (lock-queue:db-dat-get-path dbdat)))
    (system (conc "rm -f " fname "*"))))

(define (lock-queue:open-db fname #!key (count 10))
  (let* ((actualfname (conc fname ".lockdb"))
	 (dbexists (common:file-exists? actualfname))
	 (db       (sqlite3:open-database actualfname))
	 (handler  (make-busy-timeout 136000)))
    (if dbexists
	(vector db actualfname)
	(begin
	  (handle-exceptions
	   exn
	   (begin
	     (thread-sleep! 10)
	     (if (> count 0)
		 (lock-queue:open-db fname count: (- count 1))
		 (vector db actualfname)))
	   (sqlite3:with-transaction
	    db
	    (lambda ()
	      (sqlite3:execute 
	       db
	       "CREATE TABLE IF NOT EXISTS queue (
     	         id         INTEGER PRIMARY KEY,
                 test_id    INTEGER,
                 start_time INTEGER,
                 state      TEXT,
                 CONSTRAINT queue_constraint UNIQUE (test_id));")
	      (sqlite3:execute
	       db
	       "CREATE TABLE IF NOT EXISTS runlocks (
                 id         INTEGER PRIMARY KEY,
                 test_id    INTEGER,
                 run_lock   TEXT,
                 CONSTRAINT runlock_constraint UNIQUE (run_lock));"))))))
    (sqlite3:set-busy-handler! db handler)
    (vector db actualfname)))

(define (lock-queue:set-state dbdat test-id newstate #!key (remtries 10))
  (tasks:wait-on-journal (lock-queue:db-dat-get-path dbdat) 1200)
  (handle-exceptions
   exn
   (if (> remtries 0)
       (begin
	 (debug:print 0 *default-log-port* "WARNING: exception on lock-queue:set-state. Trying again in 30 seconds.")
	 (debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
	 (thread-sleep! 30)
	 (lock-queue:set-state dbdat test-id newstate remtries: (- remtries 1)))
       (begin
	 (debug:print-error 0 *default-log-port* " Failed to set lock state for test with id " test-id ", error: " ((condition-property-accessor 'exn 'message) exn) ", giving up.")
	 #f))
   (sqlite3:execute (lock-queue:db-dat-get-db dbdat) "UPDATE queue SET state=? WHERE test_id=?;"
		    newstate
		    test-id)))

(define (lock-queue:any-younger? dbdat mystart test-id #!key (remtries 10))
  ;; no need to wait on journal on read only queries
  ;; (tasks:wait-on-journal (lock-queue:db-dat-get-path dbdat) 1200)
  (handle-exceptions
   exn
   (if (> remtries 0)
       (begin
	 (debug:print 0 *default-log-port* "WARNING: exception on lock-queue:any-younger. Removing lockdb and trying again in 5 seconds.")
	 (debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
	 (thread-sleep! 5)
         (lock-queue:delete-lock-db dbdat)
	 (lock-queue:any-younger? dbdat mystart test-id remtries: (- remtries 1)))
       (begin
	 (debug:print-error 0 *default-log-port* " Failed to find younger locks for test with id " test-id ", error: " ((condition-property-accessor 'exn 'message) exn) ", giving up.")
	 #f))
   (let ((res #f))
     (sqlite3:for-each-row
      (lambda (tid)
	;; Actually this should not be needed as mystart cannot be simultaneously less than and test-id same as 
	(if (not (equal? tid test-id)) 
	    (set! res tid)))
      (lock-queue:db-dat-get-db dbdat)
      "SELECT test_id FROM queue WHERE start_time > ?;" mystart)
     res)))

(define (lock-queue:get-lock dbdat test-id #!key (count 10)(waiting-msg #f))
  (tasks:wait-on-journal (lock-queue:db-dat-get-path dbdat) 1200 remove: #t waiting-msg: "lock-queue:get-lock, waiting on journal")
  (let* ((res       #f)
	 (db        (lock-queue:db-dat-get-db dbdat))
	 (lckqry    (sqlite3:prepare db "SELECT test_id,run_lock FROM runlocks WHERE run_lock='locked';"))
	 (mklckqry  (sqlite3:prepare db "INSERT INTO runlocks (test_id,run_lock) VALUES (?,'locked');")))
    (let ((result 
	   (handle-exceptions
	    exn
	    (begin
	      (debug:print 0 *default-log-port* "WARNING: failed to get queue lock. Removing lock db and returning fail") ;; Will try again in a few seconds")
	      (debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
	      (thread-sleep! 10)
	      ;; (if (> count 0)	
	      ;;  #f ;; (lock-queue:get-lock dbdat test-id count: (- count 1)) - give up on retries 
	      ;; (begin ;; never recovered, remote the lock file and return #f, no lock obtained
	      (lock-queue:delete-lock-db dbdat)
	      #f)
	    (sqlite3:with-transaction
	     db
	     (lambda ()
	       (sqlite3:for-each-row (lambda (tid lockstate)
				       (set! res (list tid lockstate)))
				     lckqry)
	       (if res
		   (if (equal? (car res) test-id)
		       #t ;; already have the lock
		       #f)
		   (begin
		     (sqlite3:execute mklckqry test-id)
		     ;; if no error handled then return #t for got the lock
		     #t)))))))
      (sqlite3:finalize! lckqry)
      (sqlite3:finalize! mklckqry)
      result)))

(define (lock-queue:release-lock fname test-id #!key (count 10))
  (let* ((dbdat (lock-queue:open-db fname)))
    (tasks:wait-on-journal (lock-queue:db-dat-get-path dbdat) 1200 "lock-queue:release-lock; waiting on journal")
    (handle-exceptions
     exn
     (begin
       (debug:print 0 *default-log-port* "WARNING: Failed to release queue lock. Will try again in few seconds")
       (debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
       (thread-sleep! (/ count 10))
       (if (> count 0)
	   (begin
	     (sqlite3:finalize! (lock-queue:db-dat-get-db dbdat))
	     (lock-queue:release-lock fname test-id count: (- count 1)))
	   (let ((journal (conc fname "-journal")))
	     ;; If we've tried ten times and failed there is a serious problem
	     ;; try to remove the lock db and allow it to be recreated
	     (handle-exceptions
	      exn
	      #f
	      (if (common:file-exists? journal)(delete-file journal))
	      (if (common:file-exists? fname)  (delete-file fname))
	      #f))))
     (sqlite3:execute (lock-queue:db-dat-get-db dbdat) "DELETE FROM runlocks WHERE test_id=?;" test-id)
     (sqlite3:finalize! (lock-queue:db-dat-get-db dbdat)))))

(define (lock-queue:steal-lock dbdat test-id #!key (count 10))
  (debug:print-info 0 *default-log-port* "Attempting to steal lock at " (lock-queue:db-dat-get-path dbdat))
  (tasks:wait-on-journal (lock-queue:db-dat-get-path dbdat) 1200 "lock-queue:steal-lock; waiting on journal")
  (handle-exceptions
   exn
   (begin
     (debug:print 0 *default-log-port* "WARNING: Failed to steal queue lock. Will try again in few seconds")
     (debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
     (thread-sleep! 10)
     (if (> count 0)
	 (lock-queue:steal-lock dbdat test-id count: (- count 1))
	 #f))
   (sqlite3:execute (lock-queue:db-dat-get-db dbdat) "DELETE FROM runlocks WHERE run_lock='locked';"))
  (lock-queue:get-lock dbdat test-it))

;; returns #f if ok to skip the task
;; returns #t if ok to proceed with task
;; otherwise waits
;;
(define (lock-queue:wait-turn fname test-id #!key (count 10)(waiting-msg #f))
  (let* ((dbdat   (lock-queue:open-db fname))
	 (mystart (current-seconds))
	 (db      (lock-queue:db-dat-get-db dbdat)))
    ;; (tasks:wait-on-journal (lock-queue:db-dat-get-path dbdat) 1200 waiting-msg: "lock-queue:wait-turn; waiting on journal file")
    (handle-exceptions
     exn
     (begin
       (debug:print 0 *default-log-port* "WARNING: Failed to find out if it is ok to skip the wait queue. Will try again in few seconds")
       (debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
       (print-call-chain (current-error-port))
       (thread-sleep! 10)
       (if (> count 0)
	   (begin
	     (sqlite3:finalize! db)
	     (lock-queue:wait-turn fname test-id count: (- count 1)))
	   (begin
	     (debug:print 0 *default-log-port* "Giving up calls to lock-queue:wait-turn for test-id " test-id " at path " fname ", printing call chain")
	     (print-call-chain (current-error-port))
	     #f)))
     ;; wait 10 seconds and then check to see if someone is already updating the html
     (thread-sleep! 10)
     (if (not (lock-queue:any-younger? dbdat mystart test-id)) ;; no processing in flight, must try to start processing
	 (begin
	   (tasks:wait-on-journal (lock-queue:db-dat-get-path dbdat) 1200 waiting-msg: "lock-queue:wait-turn; waiting on journal file")
	   (sqlite3:execute
	    db
	    "INSERT OR REPLACE INTO queue (test_id,start_time,state) VALUES (?,?,'waiting');"
	    test-id mystart)
	   ;; (thread-sleep! 1) ;; give other tests a chance to register
	   (let ((result 
		  (let loop ((younger-waiting (lock-queue:any-younger? dbdat mystart test-id)))
		    (if younger-waiting
			(begin
			  ;; no need for us to wait. mark in the lock queue db as skipping
			  ;; no point in marking anything in the queue - simply never register this
			  ;; test as it is *covered* by a previously started update to the html file
			  ;; (lock-queue:set-state dbdat test-id "skipping")
			  #f) ;; let the calling process know that nothing needs to be done
			(if (lock-queue:get-lock dbdat test-id)
			    #t
			    (if (> (- (current-seconds) mystart) 36000) ;; waited too long, steal the lock
				(lock-queue:steal-lock dbdat test-id)
				(begin
				  (thread-sleep! 1)
				  (loop (lock-queue:any-younger? dbdat mystart test-id)))))))))
	     (sqlite3:finalize! db)
	     result))))))
	  
            
;; (use trace)
;; (trace lock-queue:get-lock lock-queue:release-lock lock-queue:wait-turn lock-queue:any-younger? lock-queue:set-state)

Deleted client.scm version [091f168690].

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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/>.

;;======================================================================
;; C L I E N T S
;;======================================================================

(declare (unit client))

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

(use srfi-18 extras tcp s11n srfi-1 posix regex srfi-69 hostinfo md5
     message-digest matchable spiffy uri-common intarweb http-client
     spiffy-request-vars uri-common intarweb directory-utils)

(import commonmod
	debugprint)

(module client
*

)

(import client)

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

;; client:get-signature
(define (client:get-signature)
  (if *my-client-signature* *my-client-signature*
      (let ((sig (conc (get-host-name) " " (current-process-id))))
	(set! *my-client-signature* sig)
	*my-client-signature*)))

;; Not currently used! But, I think it *should* be used!!!
#;(define (client:logout serverdat)
  (let ((ok (and (socket? serverdat)
		 (cdb:logout serverdat *toppath* (client:get-signature)))))
    ok))

;; Do all the connection work, look up the transport type and set up the
;; connection if required.
;;
;; There are two scenarios. 
;;   1. We are a test manager and we received *transport-type* and *runremote* via cmdline
;;   2. We are a run tests, list runs or other interactive process and we must figure out
;;      *transport-type* and *runremote* from the monitor.db
;;
;; client:setup
;;
;; lookup_server, need to remove *runremote* stuff
;;
 
;;(define (http-transport:server-dat-make-url runremote)
(define (client:get-url runremote)
  (if (and (remote-iface runremote)
	   (remote-port  runremote))
      (conc "http://" 
	    (remote-iface runremote)
	    ":"
	    (remote-port  runremote))
      #f))

(define (client:setup areapath runremote #!key (remaining-tries 100) (failed-connects 0)(area-dat #f))
  (mutex-lock! *rmt-mutex*)
  (let ((res (client:setup-http areapath runremote remaining-tries: remaining-tries failed-connects: failed-connects area-dat: area-dat)))
    (mutex-unlock! *rmt-mutex*)
    res))

(define (client:setup-http areapath runremote #!key (remaining-tries 100) (failed-connects 0))
  (debug:print-info 2 *default-log-port* "client:setup remaining-tries=" remaining-tries)
  (server:start-and-wait areapath)
  (if (<= remaining-tries 0)
      (begin
	(debug:print-error 0 *default-log-port* "failed to start or connect to server")
	(exit 1))
      ;;
      ;; Alternatively here, we can get the list of candidate servers and work our way
      ;; through them searching for a good one.
      ;;
      (let* ((server-dat (server:choose-server areapath 'best))) ;; list host port start-time server-id pid
;;	     (runremote  (or area-dat *runremote*)))
	(if (not server-dat) ;; no server found
	    (begin
	      (if (< remaining-tries 99)(thread-sleep! 1)) ;; obviously it needs time
	      (client:setup-http areapath runremote remaining-tries: (- remaining-tries 1)))
	    (match server-dat
	      ((host port start-time server-id pid)
	       (debug:print-info 4 *default-log-port* "client:setup server-dat=" server-dat ", remaining-tries=" remaining-tries)
	       (if (not runremote)
                   (begin
		     ;; Here we are creating a runremote where there was none or it was clobbered with #f
		     ;;
		     (set! runremote (make-and-init-remote))
                     (let* ((server-info (server:check-if-running areapath)))
		       (remote-server-info-set! runremote server-info)
                       (if server-info
                           (begin
                             (remote-server-url-set! runremote (server:record->url server-info))
                             (remote-server-id-set! runremote (server:record->id server-info)))))))
	       ;; at this point we have a runremote
	       (if (and host port server-id)
		   (let* ((nada     (client:connect host port server-id runremote))
			  (ping-res (rmt:login-no-auto-client-setup runremote)))
		     (if ping-res
			 (if runremote
			     (begin
			       (debug:print-info 2 *default-log-port* "connected to " (client:get-url runremote))
			       runremote)
			     (client:setup-http areapath runremote remaining-tries: (- remaining-tries 1)))
			 (begin    ;; login failed but have a server record, clean out the record and try again
			   (debug:print-info 0 *default-log-port* "client:setup, login unsuccessful, will attempt to start server ... ping-res=" ping-res ", server-dat=" server-dat) ;; had runid.  Fixes part of Randy;s ticket 1405717332
			   (http-transport:close-connections runremote)
			   (thread-sleep! 1)
			   (client:setup-http areapath runremote remaining-tries: (- remaining-tries 1))
			   )))
		   (begin    ;; no server registered
		     ;; (server:kind-run areapath)
		     (server:start-and-wait areapath)
		     (debug:print-info 0 *default-log-port* "client:setup, no server registered, remaining-tries=" remaining-tries)
		     (thread-sleep! 1) ;; (+ 5 (random (- 20 remaining-tries))))  ;; give server a little time to start up, randomize a little to avoid start storms.
		     (client:setup-http areapath runremote remaining-tries: (- remaining-tries 1)))))
	      (else
	       (debug:print 0 *default-log-port* "ERROR: malformed server-dat="server-dat)))))))

;;
;; connect - stored in remote-condat
;;
;; (define (http-transport:client-connect iface port server-id runremote)
(define (client:connect iface port server-id runremote-in)
  (let* ((runremote (or runremote-in
			(make-runremote))))
    (debug:print-info 2 *default-log-port* "Connecting to server at "iface":"port", id "server-id)
    (let* ((api-url      (conc "http://" iface ":" port "/api"))
	   (api-uri      (uri-reference (conc "http://" iface ":" port "/api")))
	   (api-req      (make-request method: 'POST uri: api-uri)))
      ;;	 (server-dat   (vector iface port api-uri api-url api-req (current-seconds) server-id)))
      (remote-iface-set!   runremote iface)
      (remote-port-set!    runremote port)
      (remote-server-id-set! runremote server-id)
      (remote-connect-time-set! runremote (current-seconds))
      (remote-last-access-set! runremote (current-seconds))
      (remote-api-url-set! runremote api-url)
      (remote-api-uri-set! runremote api-uri)
      (remote-api-req-set! runremote api-req)
      runremote)))

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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 common))
(declare (uses commonmod))

(declare (uses debugprint))
(declare (uses mtargs))

(use srfi-1 data-structures posix regex-case (prefix base64 base64:)
     format dot-locking csv-xml z3 udp ;; sql-de-lite
     hostinfo md5 message-digest typed-records directory-utils stack
     matchable regex posix (srfi 18) extras ;; tcp 
     (prefix nanomsg nmsg:)
     (prefix sqlite3 sqlite3:)
     pkts (prefix dbi dbi:)
     )
(use posix-extras pathname-expand files)


(import commonmod
	debugprint

	(prefix mtargs args:))

(include "common_records.scm")


;; (require-library margs)
;; (include "margs.scm")







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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 common))
(declare (uses commonmod))
(declare (uses rmtmod))
(declare (uses debugprint))
(declare (uses mtargs))

(use srfi-1 data-structures posix regex-case (prefix base64 base64:)
     format dot-locking csv-xml z3 udp ;; sql-de-lite
     hostinfo md5 message-digest typed-records directory-utils stack
     matchable regex posix (srfi 18) extras ;; tcp 
     (prefix nanomsg nmsg:)
     (prefix sqlite3 sqlite3:)
     pkts (prefix dbi dbi:)
     )
(use posix-extras pathname-expand files)


(import commonmod
	debugprint
	rmtmod
	(prefix mtargs args:))

(include "common_records.scm")


;; (require-library margs)
;; (include "margs.scm")
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;; (define *db-access-mutex*     (make-mutex)) ;; moved to dbfile
;; (define *db-transaction-mutex* (make-mutex))
(define *db-cache-path*       #f)
;; (define *db-with-db-mutex*    (make-mutex))
(define *db-api-call-time*    (make-hash-table)) ;; hash of command => (list of times)

;; SERVER
(define *my-client-signature* #f)
(define *transport-type*    'http)             ;; override with [server] transport http|rpc|nmsg
(define *runremote*         #f)                ;; if set up for server communication this will hold <host port>
;; (define *max-cache-size*    0)
(define *logged-in-clients* (make-hash-table))
(define *server-id*         #f)
(define *server-info*       #f)  ;; good candidate for easily convert to non-global
(define *time-to-exit*      #f)







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;; (define *db-access-mutex*     (make-mutex)) ;; moved to dbfile
;; (define *db-transaction-mutex* (make-mutex))
(define *db-cache-path*       #f)
;; (define *db-with-db-mutex*    (make-mutex))
(define *db-api-call-time*    (make-hash-table)) ;; hash of command => (list of times)

;; SERVER

(define *transport-type*    'http)             ;; override with [server] transport http|rpc|nmsg
(define *runremote*         #f)                ;; if set up for server communication this will hold <host port>
;; (define *max-cache-size*    0)
(define *logged-in-clients* (make-hash-table))
(define *server-id*         #f)
(define *server-info*       #f)  ;; good candidate for easily convert to non-global
(define *time-to-exit*      #f)

Modified commonmod.scm from [e30eedddba] to [19a34cf301].

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;;  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)))

(define *common:denoise*    (make-hash-table)) ;; for low noise printing

(define (common:low-noise-print waitval . keys)
  (let* ((key      (string-intersperse (map conc keys) "-" ))
	 (lasttime (hash-table-ref/default *common:denoise* key 0))
	 (currtime (current-seconds)))
    (if (> (- currtime lasttime) waitval)
	(begin
	  (hash-table-set! *common:denoise* key currtime)
	  #t)
	#f)))













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

(define (lookup cfgdat section var)
  (if (hash-table? cfgdat)
      (let ((sectdat (hash-table-ref/default cfgdat section '())))







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;;  testsuite and area utilites
;;
;;======================================================================

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

;; http - use the old http + in /tmp db
;; tcp  - use tcp transport with inmem db
;; nfs  - use direct to disk access (read-only)
;;
(define rmt:transport-mode (make-parameter 'tcp))

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

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

(define *common:denoise*    (make-hash-table)) ;; for low noise printing

(define (common:low-noise-print waitval . keys)
  (let* ((key      (string-intersperse (map conc keys) "-" ))
	 (lasttime (hash-table-ref/default *common:denoise* key 0))
	 (currtime (current-seconds)))
    (if (> (- currtime lasttime) waitval)
	(begin
	  (hash-table-set! *common:denoise* key currtime)
	  #t)
	#f)))

;; KEEP THIS ONE
;;
;; client:get-signature

(define *my-client-signature* #f)

(define (client:get-signature)
  (if *my-client-signature* *my-client-signature*
      (let ((sig (conc (get-host-name) " " (current-process-id))))
	(set! *my-client-signature* sig)
	*my-client-signature*)))

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

(define (lookup cfgdat section var)
  (if (hash-table? cfgdat)
      (let ((sectdat (hash-table-ref/default cfgdat section '())))

Modified dashboard-context-menu.scm from [7b1d8c53c1] to [8f34d70b32].

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(declare (unit dashboard-context-menu))
(declare (uses common))
(declare (uses commonmod))
(declare (uses db))
(declare (uses gutils))
(declare (uses rmt))

(declare (uses ezsteps))
;; (declare (uses sdb))
;; (declare (uses filedb))
(declare (uses subrun))

(use format fmt)
(require-library iup)
(import (prefix iup iup:))

(use canvas-draw)

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

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

(import commonmod

	debugprint)

(define (dboard:launch-testpanel run-id test-id)
  (let* ((dboardexe (common:find-local-megatest "dashboard"))
         (cmd (conc dboardexe
                    " -test " run-id "," test-id
                    " &")))







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(declare (unit dashboard-context-menu))
(declare (uses common))
(declare (uses commonmod))
(declare (uses db))
(declare (uses gutils))
(declare (uses rmt))
(declare (uses rmtmod))
(declare (uses ezsteps))
;; (declare (uses sdb))
;; (declare (uses filedb))
(declare (uses subrun))

(use format fmt)
(require-library iup)
(import (prefix iup iup:))

(use canvas-draw)

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

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

(import commonmod
	rmtmod
	debugprint)

(define (dboard:launch-testpanel run-id test-id)
  (let* ((dboardexe (common:find-local-megatest "dashboard"))
         (cmd (conc dboardexe
                    " -test " run-id "," test-id
                    " &")))

Modified dashboard-tests.scm from [5b3bc1a5e0] to [d3d14d0eb8].

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(declare (unit dashboard-tests))
(declare (uses common))
(declare (uses commonmod))
(declare (uses db))
(declare (uses gutils))
(declare (uses rmt))
(declare (uses ezsteps))
;; (declare (uses sdb))
;; (declare (uses filedb))
(declare (uses subrun))
(declare (uses debugprint))

(use format fmt)
(require-library iup)
(import (prefix iup iup:))

(use canvas-draw)

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

(import commonmod

	debugprint)

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

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







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(declare (unit dashboard-tests))
(declare (uses common))
(declare (uses commonmod))
(declare (uses db))
(declare (uses gutils))
(declare (uses rmt))
(declare (uses ezsteps))
(declare (uses subrun))

(declare (uses debugprint))
(declare (uses rmtmod))

(use format fmt)
(require-library iup)
(import (prefix iup iup:))

(use canvas-draw)

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

(import commonmod
	rmtmod
	debugprint)

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

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

Modified dashboard.scm from [6c0b02e4d4] to [4ea8b23c58].

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(declare (uses tree))
(declare (uses dcommon))
(declare (uses dashboard-context-menu))
(declare (uses vg))
(declare (uses subrun))
(declare (uses mt))
(declare (uses dbmod))
;; (declare (uses dbmemmod))
(declare (uses dbfile))
(declare (uses commonmod))
(declare (uses commonmod.import))

(use format)

(require-library iup)
(import (prefix iup iup:))

(use canvas-draw)
(import canvas-draw-iup
	(prefix sqlite3 sqlite3:))

(use ducttape-lib)
(use sqlite3 srfi-1 posix regex regex-case srfi-69 typed-records sparse-vectors) ;; defstruct

(import commonmod
	(prefix mtargs args:)
	dbmod
	dbfile

	debugprint)

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







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(declare (uses tree))
(declare (uses dcommon))
(declare (uses dashboard-context-menu))
(declare (uses vg))
(declare (uses subrun))
(declare (uses mt))
(declare (uses dbmod))
(declare (uses rmtmod))
(declare (uses dbfile))
(declare (uses commonmod))
(declare (uses commonmod.import))

(use format)

(require-library iup)
(import (prefix iup iup:))

(use canvas-draw)
(import canvas-draw-iup
	(prefix sqlite3 sqlite3:))

(use ducttape-lib)
(use sqlite3 srfi-1 posix regex regex-case srfi-69 typed-records sparse-vectors) ;; defstruct

(import commonmod
	(prefix mtargs args:)
	dbmod
	dbfile
	rmtmod
	debugprint)

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

Modified db.scm from [64bc5f4f0d] to [57c6dbac0f].

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(declare (unit db))
(declare (uses common))
(declare (uses debugprint))
(declare (uses dbmod))
(declare (uses dbfile))
(declare (uses keys))
(declare (uses ods))
(declare (uses client))
(declare (uses mt))
(declare (uses commonmod))
(declare (uses mtargs))


(import commonmod
	(prefix mtargs args:))

(use (srfi 18)
     extras
     tcp







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(declare (unit db))
(declare (uses common))
(declare (uses debugprint))
(declare (uses dbmod))
(declare (uses dbfile))
(declare (uses keys))
(declare (uses ods))

(declare (uses mt))
(declare (uses commonmod))
(declare (uses mtargs))
(declare (uses rmtmod))

(import commonmod
	(prefix mtargs args:))

(use (srfi 18)
     extras
     tcp
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(define *number-of-writes* 0)
(define *number-non-write-queries* 0)

(import debugprint)
(import dbmod)
(import dbfile)


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







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(define *number-of-writes* 0)
(define *number-non-write-queries* 0)

(import debugprint)
(import dbmod)
(import dbfile)
(import rmtmod)

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

Modified dbfile.scm from [d5febb23fb] to [0fed86f471].

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;;     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 dbfile))
(declare (uses debugprint))
(declare (uses commonmod))

(module dbfile
	*
	
  (import scheme
	  chicken
	  data-structures
	  extras
	  matchable)
  
(import (prefix sqlite3 sqlite3:)
	posix typed-records srfi-18 srfi-1



	srfi-69
	stack
	files
	ports

	commonmod
	debugprint
	)

;; parameters
;;
(define dbfile:testsuite-name (make-parameter #f))

(define keep-age-param        (make-parameter 10))      ;; qif file age, if over move to attic
(define num-run-dbs           (make-parameter 10))      ;; number of db's in .mtdb







>
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;;     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/>.

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

(use srfi-18)

(declare (unit dbfile))
(declare (uses debugprint))
(declare (uses commonmod))

(module dbfile
	*
	
  (import scheme
	  chicken
	  data-structures
	  extras
	  matchable
  
	  (prefix sqlite3 sqlite3:)
	  posix typed-records

	  srfi-18
	  srfi-1
	  srfi-69
	  stack
	  files
	  ports
	  
	  commonmod
	  debugprint
	  )

;; parameters
;;
(define dbfile:testsuite-name (make-parameter #f))

(define keep-age-param        (make-parameter 10))      ;; qif file age, if over move to attic
(define num-run-dbs           (make-parameter 10))      ;; number of db's in .mtdb
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;;======================================================================

;; call with dbinit=db:initialize-main-db
;;
(define (db:open-db dbstruct run-id dbinit)
  ;; (mutex-lock! *db-open-mutex*)
  (let* ((dbdat (dbfile:open-db dbstruct run-id dbinit)))
              #;(case (rmt:transport-mode)
		  ((http) (dbfile:open-db dbstruct run-id dbinit))
		  ((tcp)  (dbmod:open-db  dbstruct run-id dbinit))
		  (else (assert #f "FATAL: rmt:transport-node not correct value"(rmt:transport-mode))))
    (set! *db-write-access* (not (dbr:dbdat-read-only dbdat)))
    ;; (mutex-unlock! *db-open-mutex*)
    dbdat))

(define dbfile:db-init-proc (make-parameter #f))

;; in xmaxima this gives a curve close to what I want:







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

;; call with dbinit=db:initialize-main-db
;;
(define (db:open-db dbstruct run-id dbinit)
  ;; (mutex-lock! *db-open-mutex*)
  (let* ((dbdat (dbfile:open-db dbstruct run-id dbinit)))




    (set! *db-write-access* (not (dbr:dbdat-read-only dbdat)))
    ;; (mutex-unlock! *db-open-mutex*)
    dbdat))

(define dbfile:db-init-proc (make-parameter #f))

;; in xmaxima this gives a curve close to what I want:

Modified dcommon.scm from [5c8cf6c819] to [f6be57a170].

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

(declare (unit dcommon))

(declare (uses gutils))
(declare (uses db))
(declare (uses commonmod))


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

(import commonmod

	debugprint)
;; (declare (uses synchash))

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







>









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

(declare (unit dcommon))

(declare (uses gutils))
(declare (uses db))
(declare (uses commonmod))
(declare (uses rmtmod))

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

(import commonmod
	rmtmod
	debugprint)
;; (declare (uses synchash))

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

Modified diff-report.scm from [e0510f4e99] to [ce1fe2b5f1].

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

(declare (unit diff-report))
(declare (uses common))
(declare (uses debugprint))
(declare (uses rmt))

(declare (uses commonmod))
(import commonmod

	debugprint)
         
(include "common_records.scm")
(use matchable)
(use fmt)
(use ducttape-lib)
(define css "")







>


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

(declare (unit diff-report))
(declare (uses common))
(declare (uses debugprint))
(declare (uses rmt))
(declare (uses rmtmod))
(declare (uses commonmod))
(import commonmod
	rmtmod
	debugprint)
         
(include "common_records.scm")
(use matchable)
(use fmt)
(use ducttape-lib)
(define css "")

Modified ezsteps.scm from [f2352857f1] to [00800cd5a5].

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(declare (unit ezsteps))
(declare (uses db))
(declare (uses common))
(declare (uses debugprint))
(declare (uses items))
(declare (uses runconfig))
;; (declare (uses sdb))
;; (declare (uses filedb))
(declare (uses commonmod))
(declare (uses mtargs))

(use srfi-1 posix regex srfi-69 directory-utils call-with-environment-variables posix-extras
     z3 csv typed-records pathname-expand matchable)

(import commonmod
	debugprint

	(prefix mtargs args:))

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








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(declare (unit ezsteps))
(declare (uses db))
(declare (uses common))
(declare (uses debugprint))
(declare (uses items))
(declare (uses runconfig))
(declare (uses commonmod))

(declare (uses rmtmod))
(declare (uses mtargs))

(use srfi-1 posix regex srfi-69 directory-utils call-with-environment-variables posix-extras
     z3 csv typed-records pathname-expand matchable)

(import commonmod
	debugprint
	rmtmod
	(prefix mtargs args:))

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

Modified genexample.scm from [9396be098b] to [1c75f5d6f9].

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

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

(declare (unit genexample))
(declare (uses mtargs))
(declare (uses debugprint))


(use posix regex matchable)
(import (prefix mtargs args:)

	debugprint)

(include "db_records.scm")

(define genexample:example-logpro
#<<EOF
  ;; You should have at least one expect:required. This ensures that your process ran







>



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

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

(declare (unit genexample))
(declare (uses mtargs))
(declare (uses debugprint))
(declare (uses rmtmod))

(use posix regex matchable)
(import (prefix mtargs args:)
	rmtmod
	debugprint)

(include "db_records.scm")

(define genexample:example-logpro
#<<EOF
  ;; You should have at least one expect:required. This ensures that your process ran

Deleted http-transport.scm version [8c4ecd6362].

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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/>.

(declare (unit http-transport))

(declare (uses common))
(declare (uses debugprint))
(declare (uses db))
(declare (uses tests))
(declare (uses tasks)) ;; tasks are where stuff is maintained about what is running.
(declare (uses server))
;; (declare (uses daemon))
(declare (uses portlogger))
(declare (uses rmt))
(declare (uses dbfile))
(declare (uses commonmod))
(declare (uses mtargs))

(require-extension (srfi 18) extras tcp s11n)

(use  srfi-1 posix regex regex-case srfi-69 hostinfo md5 message-digest posix-extras)

(use spiffy uri-common intarweb http-client spiffy-request-vars intarweb spiffy-directory-listing)

(import (prefix mtargs args:)
	debugprint)

;; Configurations for server
(tcp-buffer-size 2048)
(max-connections 2048) 

(include "common_records.scm")
(include "db_records.scm")
(include "js-path.scm")

(import dbfile commonmod)

(require-library stml)
(define (http-transport:make-server-url hostport)
  (if (not hostport)
      #f
      (conc "http://" (car hostport) ":" (cadr hostport))))

(define *server-loop-heart-beat* (current-seconds))

;;======================================================================
;; S E R V E R
;; ======================================================================

;; Call this to start the actual server
;;

(define *db:process-queue-mutex* (make-mutex))

(define (http-transport:run hostn)
  ;; Configurations for server
  (tcp-buffer-size 2048)
  (max-connections 2048) 
  (debug:print 2 *default-log-port* "Attempting to start the server ...")
  (let* ((db              #f) ;;        (open-db)) ;; we don't want the server to be opening and closing the db unnecesarily
	 (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      (portlogger:open-run-close portlogger:find-port))
	 (link-tree-path  (common:get-linktree))
	 (tmp-area        (common:get-db-tmp-area))
	 (start-file      (conc tmp-area "/.server-start")))
    (debug:print-info 0 *default-log-port* "portlogger recommended port: " start-port)
    ;; set some parameters for the server
    (root-path     (if link-tree-path 
		       link-tree-path
		       (current-directory))) ;; WARNING: SECURITY HOLE. FIX ASAP!
    (handle-directory spiffy-directory-listing)
    (handle-exception (lambda (exn chain)
			(signal (make-composite-condition
				 (make-property-condition 
				  'server
				  'message "server error")))))

    ;; http-transport:handle-directory) ;; simple-directory-handler)
    ;; Setup the web server and a /ctrl interface
    ;;
    (vhost-map `(((* any) . ,(lambda (continue)
			       ;; open the db on the first call 
				 ;; This is were we set up the database connections
			       (let* (($   (request-vars source: 'both))
				      (dat ($ 'dat))
				      (res #f))
				 (cond
				  ((equal? (uri-path (request-uri (current-request)))
					   '(/ "api"))
				   (send-response body:    (api:process-request *dbstruct-dbs* $) ;; the $ is the request vars proc
						  headers: '((content-type text/plain)))
				   (mutex-lock! *heartbeat-mutex*)
				   (set! *db-last-access* (current-seconds))
				   (mutex-unlock! *heartbeat-mutex*))
				  ((equal? (uri-path (request-uri (current-request))) 
					   '(/ ""))
				   (send-response body: (http-transport:main-page)))
				  ((equal? (uri-path (request-uri (current-request))) 
					   '(/ "json_api"))
				   (send-response body: (http-transport:main-page)))
				  ((equal? (uri-path (request-uri (current-request))) 
					   '(/ "runs"))
				   (send-response body: (http-transport:main-page)))
				  ((equal? (uri-path (request-uri (current-request))) 
					   '(/ any))
				   (send-response body: "hey there!\n"
						  headers: '((content-type text/plain))))
				  ((equal? (uri-path (request-uri (current-request))) 
					   '(/ "hey"))
				   (send-response body: "hey there!\n" 
						  headers: '((content-type text/plain))))
                                  ((equal? (uri-path (request-uri (current-request))) 
					   '(/ "jquery3.1.0.js"))
				   (send-response body: (http-transport:show-jquery) 
						  headers: '((content-type application/javascript))))
                                  ((equal? (uri-path (request-uri (current-request))) 
					   '(/ "test_log"))
				   (send-response body: (http-transport:html-test-log $) 
						  headers: '((content-type text/HTML))))    
                                  ((equal? (uri-path (request-uri (current-request))) 
					   '(/ "dashboard"))
				   (send-response body: (http-transport:html-dboard $) 
						  headers: '((content-type text/HTML)))) 
				  (else (continue))))))))
    (handle-exceptions
	exn
      (debug:print 0 *default-log-port* "Failed to create file " start-file ", exn=" exn)
      (with-output-to-file start-file (lambda ()(print (current-process-id)))))
    (http-transport:try-start-server ipaddrstr start-port)))

;; This is recursively run by http-transport:run until sucessful
;;
(define (http-transport:try-start-server ipaddrstr portnum)
  (let ((config-hostname (configf:lookup *configdat* "server" "hostname"))
	(config-use-proxy (equal? (configf:lookup *configdat* "client" "use-http_proxy") "yes")))
    (if (not config-use-proxy)
	(determine-proxy (constantly #f)))
    (debug:print-info 0 *default-log-port* "http-transport:try-start-server time=" (seconds->time-string (current-seconds)) " ipaddrsstr=" ipaddrstr " portnum=" portnum " config-hostname=" config-hostname)
    (handle-exceptions
	exn
	(begin
	  ;; (print-error-message exn)
	  (if (< portnum 64000)
	      (begin 
		(debug:print 0 *default-log-port* "WARNING: attempt to start server failed. Trying again ...")
		(debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
		(debug:print 5 *default-log-port* "exn=" (condition->list exn))
		(portlogger:open-run-close portlogger:set-failed portnum)
		(debug:print 0 *default-log-port* "WARNING: failed to start on portnum: " portnum ", trying next port")
		(thread-sleep! 0.1)
		
		;; get_next_port goes here
		(http-transport:try-start-server ipaddrstr
						 (portlogger:open-run-close portlogger:find-port)))
	      (begin
		(debug:print 0 *default-log-port* "ERROR: Tried and tried but could not start the server"))))
      ;; any error in following steps will result in a retry
      (set! *server-info* (list ipaddrstr portnum))
      (debug:print 0 *default-log-port* "INFO: Trying to start server on " ipaddrstr ":" portnum)
      ;; This starts the spiffy server
      ;; NEED WAY TO SET IP TO #f TO BIND ALL
      ;; (start-server bind-address: ipaddrstr port: portnum)
      (if config-hostname ;; this is a hint to bind directly
	  (start-server port: portnum) ;; bind-address: (if (equal? config-hostname "-")
					;;		ipaddrstr
					;;		config-hostname))
	  (start-server port: portnum))
      (portlogger:open-run-close portlogger:set-port portnum "released")
      (debug:print 1 *default-log-port* "INFO: server has been stopped"))))

;;======================================================================
;; S E R V E R   U T I L I T I E S 
;;======================================================================

;;======================================================================
;; C L I E N T S
;;======================================================================

(define *http-mutex* (make-mutex))

;; NOTE: Large block of code from 32436b426188080f72fceb6894af541fbad9921e removed here
;;       I'm pretty sure it is defunct.

;; This next block all imported en-mass from the api branch
(define *http-requests-in-progress* 0)
(define *http-connections-next-cleanup* (current-seconds))

(define (http-transport:get-time-to-cleanup)
  (let ((res #f))
    (mutex-lock! *http-mutex*)
    (set! res (> (current-seconds) *http-connections-next-cleanup*))
    (mutex-unlock! *http-mutex*)
    res))

(define (http-transport:inc-requests-count)
  (mutex-lock! *http-mutex*)
  (set! *http-requests-in-progress* (+ 1 *http-requests-in-progress*))
  ;; Use this opportunity to slow things down iff there are too many requests in flight
  (if (> *http-requests-in-progress* 5)
      (begin
	(debug:print-info 0 *default-log-port* "Whoa there buddy, ease up...")
	(thread-sleep! 1)))
  (mutex-unlock! *http-mutex*))

(define (http-transport:dec-requests-count proc) 
  (mutex-lock! *http-mutex*)
  (proc)
  (set! *http-requests-in-progress* (- *http-requests-in-progress* 1))
  (mutex-unlock! *http-mutex*))

(define (http-transport:dec-requests-count-and-close-all-connections)
  (set! *http-requests-in-progress* (- *http-requests-in-progress* 1))
  (let loop ((etime (+ (current-seconds) 5))) ;; give up in five seconds
    (if (> *http-requests-in-progress* 0)
	(if (> etime (current-seconds))
	    (begin
	      (thread-sleep! 0.05)
	      (loop etime))
	    (debug:print-error 0 *default-log-port* "requests still in progress after 5 seconds of waiting. I'm going to pass on cleaning up http connections"))
	(close-all-connections!)))
  (set! *http-connections-next-cleanup* (+ (current-seconds) 10))
  (mutex-unlock! *http-mutex*))

(define (http-transport:inc-requests-and-prep-to-close-all-connections)
  (mutex-lock! *http-mutex*)
  (set! *http-requests-in-progress* (+ 1 *http-requests-in-progress*)))

;; Send "cmd" with json payload "params" to serverdat and receive result
;;
(define (http-transport:client-api-send-receive run-id runremote cmd params #!key (numretries 3))
  (assert (remote? runremote) "FATAL: http-transport:client-api-send-receive called with serverdat="serverdat)
  (let* ((fullurl    (remote-api-req runremote))
	 (res        (vector #f "uninitialized"))
	 (success    #t)
	 (sparams    (db:obj->string params transport: 'http))
         (server-id  (remote-server-id runremote)))
       (debug:print-info 11 *default-log-port* "cmd=" cmd " fullurl=" fullurl " server-id=" server-id " current time:" (current-seconds)) 

       ;; set up the http-client here
       (max-retry-attempts 1)
       ;; consider all requests indempotent
       (retry-request? (lambda (request)
			 #f))
       ;; send the data and get the response
       ;; extract the needed info from the http data and 
       ;; process and return it.
       (let* ((send-recieve (lambda ()
			      (mutex-lock! *http-mutex*)
			      ;; (condition-case (with-input-from-request "http://localhost"; #f read-lines)
			      ;;					       ((exn http client-error) e (print e)))
			      (set! res (vector                ;;; DON'T FORGET - THIS IS THE CLIENT SIDE! NOTE: consider moving this to client.scm since we are only supporting http transport at this time.
					 success
					 (db:string->obj 
					  (handle-exceptions
					      exn
					      (let ((call-chain (get-call-chain))
						    (msg        ((condition-property-accessor 'exn 'message) exn)))
						(set! success #f)
                                                (if (debug:debug-mode 1)
                                                    (debug:print-info 0 *default-log-port* "couldn't talk to server, trying again ...")
                                                    (begin
                                                      (debug:print 0 *default-log-port* "WARNING: failure in with-input-from-request to " fullurl ".")
                                                      (debug:print 0 *default-log-port* " message: " msg ", exn=" exn)
                                                      (debug:print 0 *default-log-port* " cmd: " cmd " params: " params " key:" (or server-id "thekey"))
                                                      (debug:print 0 *default-log-port* " call-chain: " call-chain)))
						;; what if another thread is communicating ok? Can't happen due to mutex
						(http-transport:close-connections runremote)
						(mutex-unlock! *http-mutex*)
						;; (close-connection! fullurl)
						(db:obj->string #f))
					      (with-input-from-request ;; was dat
					       fullurl 
					       (list (cons 'key (or server-id   "thekey"))
						     (cons 'cmd cmd)
						     (cons 'params sparams))
					       read-string))
					  transport: 'http)
					 0)) ;; added this speculatively
			      ;; Shouldn't this be a call to the managed call-all-connections stuff above?
			      ;; (close-all-connections!) ;; BUG? WHY IS THIS HERE? Are we failing to reuse connections?
			      (mutex-unlock! *http-mutex*)
			      ))
	      (time-out     (lambda ()
			      (thread-sleep! 45)
			      (debug:print 0 *default-log-port* "WARNING: send-receive took more than 45 seconds!!")
			      #f))
	      (th1 (make-thread send-recieve "with-input-from-request"))
	      (th2 (make-thread time-out     "time out")))
	 (thread-start! th1)
	 (thread-start! th2)
	 (thread-join! th1)
          (vector-set! res 0 success)
	 (thread-terminate! th2)
	 (if (vector? res)
	     (if (vector-ref res 0) ;; this is the first flag or the second flag? 
                 (let* ((res-dat (vector-ref res 1)))
                    (if (and (string? res-dat) (string-contains res-dat "server-id mismatch"))
                     (signal (make-composite-condition
		          (make-property-condition 
		       'servermismatch
		       'message  (vector-ref res 1))))       
		      res)) ;; this is the *inner* vector? seriously? why?
                 (if (debug:debug-mode 11)
                     (let ((call-chain (get-call-chain))) ;; note: this code also called in nmsg-transport - consider consolidating it
                       (print-call-chain (current-error-port))
                       (debug:print-error 11 *default-log-port* "error above occured at server, res=" res) ;; " message: " ((condition-property-accessor 'exn 'message) exn))
                       (debug:print 11 *default-log-port* " server call chain:")
                       (pp (vector-ref res 1) (current-error-port))
                       (signal (vector-ref res 0)))
                     res))
	     (signal (make-composite-condition
		      (make-property-condition 
		       'timeout
		       'message "nmsg-transport:client-api-send-receive-raw timed out talking to server")))))))

;; careful closing of connections stored in *runremote*
;;
(define (http-transport:close-connections runremote)
  (if (remote? runremote)
      (let ((api-dat (remote-api-uri runremote)))
	(handle-exceptions
	    exn
	  (begin
	    (print-call-chain *default-log-port*)
	    (debug:print-error 0 *default-log-port* " closing connection failed with error: " ((condition-property-accessor 'exn 'message) exn) ", exn=" exn))
	  (if (args:any-defined? "-server" "-execute" "-run")
	      (debug:print-info 0 *default-log-port* "Closing connections to "api-dat))
	  (if api-dat (close-connection! api-dat))

	  ;; Would it be better to set *runremote* to #f? I don't think so. But we may
	  ;; need to clear more of the runremote fields
	  (remote-api-url-set! runremote #f) ;; used as a flag for connection up and running
	  
	  #t))
      #f))

;; run http-transport:keep-running in a parallel thread to monitor that the db is being 
;; used and to shutdown after sometime if it is not.
;;
(define (http-transport:keep-running) 
  ;; if none running or if > 20 seconds since 
  ;; server last used then start shutdown
  ;; This thread waits for the server to come alive
  (debug:print-info 0 *default-log-port* "Starting the sync-back, keep alive thread in server")
  (let* ((servinfofile      #f)
	 (sdat              #f)
	 (no-sync-db        (db:open-no-sync-db))
	 (tmp-area          (common:get-db-tmp-area))
	 (started-file      (conc tmp-area "/.server-started"))
	 (server-start-time (current-seconds))
	 (server-info (let loop ((start-time (current-seconds))
				 (changed    #t)
				 (last-sdat  "not this"))
                        (begin ;; let ((sdat #f))
			  (thread-sleep! 0.01)
			  (debug:print-info 0 *default-log-port* "Waiting for server alive signature")
                          (mutex-lock! *heartbeat-mutex*)
                          (set! sdat *server-info*)
                          (mutex-unlock! *heartbeat-mutex*)
                          (if (and sdat
				   (not changed)
				   (> (- (current-seconds) start-time) 2))
			      (let* ((servinfodir (server:get-servinfo-dir *toppath*)) ;; (conc *toppath*"/.servinfo"))
				     (ipaddr      (car sdat))
				     (port        (cadr sdat))
				     (servinf     (conc servinfodir"/"ipaddr":"port)))
				(set! servinfofile servinf)
				(if (not (file-exists? servinfodir))
				    (create-directory servinfodir #t))
				(with-output-to-file servinf
				  (lambda ()
				    (let* ((serv-id (server:mk-signature)))
				      (set! *server-id* serv-id)
				      (print "SERVER STARTED: "ipaddr":"port" AT "(current-seconds)" server-id: "serv-id" pid: "(current-process-id))
				      (print "started: "(seconds->year-week/day-time (current-seconds))))))
				(set! *on-exit-procs* (cons
						       (lambda ()
							 (delete-file* servinf))
						       *on-exit-procs*))
				;; put data about this server into a simple flat file host.port
				(debug:print-info 0 *default-log-port* "Received server alive signature")
				sdat)
                              (begin
				(debug:print-info 0 *default-log-port* "Still waiting, last-sdat=" last-sdat)
                                (sleep 4)
				(if (> (- (current-seconds) start-time) 120) ;; been waiting for two minutes
                                    (if sdat 
				      (let* ((ipaddr  (car sdat))
					   (port    (cadr sdat))
					   (servinf (conc (server:get-servinfo-dir *toppath*)"/"ipaddr":"port)))
				        (debug:print-error 0 *default-log-port* "transport appears to have died, exiting server")
				      (exit))
                                      (exit)
                                    )
				    (loop start-time
					  (equal? sdat last-sdat)
					  sdat)))))))
	 (iface       (car server-info))
         (port        (cadr server-info))
         (last-access 0)
	 (server-timeout (server:expiration-timeout))
	 (server-going  #f)
	 (server-log-file (args:get-arg "-log"))) ;; always set when we are a server

    (handle-exceptions
	exn
      (debug:print 0 *default-log-port* "Failed to create " started-file ", exn=" exn)
      (with-output-to-file started-file (lambda ()(print (current-process-id)))))

    (let loop ((count         0)
	       (server-state 'available)
	       (bad-sync-count 0)
	       (start-time     (current-milliseconds)))

      ;; Use this opportunity to sync the tmp db to megatest.db
      (if (not server-going) ;; *dbstruct-dbs* 
	  (begin
	    (debug:print 0 *default-log-port* "SERVER: dbprep")
	    (set! *dbstruct-dbs*  (db:setup #t)) ;;  run-id)) FIXME!!!
	    (set! server-going #t)
	    (debug:print 0 *default-log-port* "SERVER: running, megatest version: " (common:get-full-version))) ;; NOTE: the server is NOT yet marked as running in the log. We do that in the keep-running routine.
	  (if (and no-sync-db
		   (common:low-noise-print 10 "sync-all")) ;; cheesy way to reduce frequency of running sync :)
              (begin
		(if (common:low-noise-print 120 "sync-all-print")
                    (debug:print 0 *default-log-port* "keep-running calling db:all-db-sync at " (time->string (seconds->local-time) "%H:%M:%S")))
		(db:all-db-sync *dbstruct-dbs*)
		)))
      
      ;; when things go wrong we don't want to be doing the various queries too often
      ;; so we strive to run this stuff only every four seconds or so.
      (let* ((sync-time (- (current-milliseconds) start-time))
	    (rem-time  (quotient (- 4000 sync-time) 1000)))
	(if (and (<= rem-time 4)
		 (>  rem-time 0))
	    (thread-sleep! rem-time)))
      
      (if (< count 1) ;; 3x3 = 9 secs aprox
	  (loop (+ count 1) 'running bad-sync-count (current-milliseconds)))
      
      ;; Check that iface and port have not changed (can happen if server port collides)
      (mutex-lock! *heartbeat-mutex*)
      (set! sdat *server-info*)
      (mutex-unlock! *heartbeat-mutex*)
      
      (if (not (equal? sdat (list iface port)))
	  (let ((new-iface (car sdat))
		(new-port  (cadr sdat)))
	    (debug:print-info 0 *default-log-port* "WARNING: interface changed, refreshing iface and port info")
	    (set! iface new-iface)
	    (set! port  new-port)
             (if (not *server-id*)
		 (set! *server-id* (server:mk-signature)))
	    (debug:print 0 *default-log-port* "SERVER STARTED: " iface ":" port " AT " (current-seconds) " server-id: " *server-id*)
	    (flush-output *default-log-port*)))
      
      ;; Transfer *db-last-access* to last-access to use in checking that we are still alive
      (mutex-lock! *heartbeat-mutex*)
      (set! last-access *db-last-access*)
      (mutex-unlock! *heartbeat-mutex*)
      
      (if (common:low-noise-print 120 (conc "server running on " iface ":" port))
	  (begin
             (if (not *server-id*)
		 (set! *server-id* (server:mk-signature)))
             (debug:print 0 *default-log-port* (current-seconds) (current-directory) (current-process-id) (argv))   
	     (debug:print 0 *default-log-port* "SERVER STARTED: " iface ":" port " AT " (current-seconds) " server-id: " *server-id*)
	     (flush-output *default-log-port*)))
      (if (common:low-noise-print 60 "dbstats")
	  (begin
	    (debug:print 0 *default-log-port* "Server stats:")
	    (db:print-current-query-stats)))
      (let* ((hrs-since-start  (/ (- (current-seconds) server-start-time) 3600)))
	(cond
         ((and *server-run*
	       (> (+ last-access server-timeout)
		  (current-seconds)))
          (if (common:low-noise-print 120 "server continuing")
              (debug:print-info 0 *default-log-port* "Server continuing, seconds since last db access: " (- (current-seconds) last-access))
	      (let ((curr-time (current-seconds)))
		(handle-exceptions
		    exn
		    (debug:print 0 *default-log-port* "ERROR: Failed to change timestamp on info file " servinfofile ". Are you out of space on that disk? exn=" exn)
		    (if (and ;; (< (- (current-seconds) server-start-time) 600) ;; run for ten minutes for experiment, 3600 thereafter
			     (not *server-overloaded*)
			     (file-exists? servinfofile))
			(change-file-times servinfofile curr-time curr-time)))
		(if (and (common:low-noise-print 120 "start new server")
			(> *api-process-request-count* 50)) ;; if this server is kind of busy start up another
		    (begin
		      (debug:print-info 0 *default-log-port* "Server is busy, api-count "*api-process-request-count*", start another if possible...")
		      (server:kind-run *toppath*)
		      (if (> *api-process-request-count* 100)
			  (begin
			    (debug:print-info 0 *default-log-port* "Server is overloaded at api-count=" *api-process-request-count*", removing "servinfofile) 
			    (delete-file* servinfofile)))))))
          (loop 0 server-state bad-sync-count (current-milliseconds)))
         (else
          (debug:print-info 0 *default-log-port* "Server timed out. seconds since last db access: " (- (current-seconds) last-access))
          (http-transport:server-shutdown port)))))))

(define (http-transport:server-shutdown port)
  (begin
    ;;(BB> "http-transport:server-shutdown called")
    (debug:print-info 0 *default-log-port* "Starting to shutdown the server. pid="(current-process-id))
    ;;
    ;; start_shutdown
    ;;
    (set! *time-to-exit* #t) ;; tell on-exit to be fast as we've already cleaned up
    (portlogger:open-run-close portlogger:set-port port "released")
    (thread-sleep! 1)

    ;; (debug:print-info 0 *default-log-port* "Max cached queries was    " *max-cache-size*)
    ;; (debug:print-info 0 *default-log-port* "Number of cached writes   " *number-of-writes*)
    ;; (debug:print-info 0 *default-log-port* "Average cached write time "
    ;; 		      (if (eq? *number-of-writes* 0)
    ;; 			  "n/a (no writes)"
    ;; 			  (/ *writes-total-delay*
    ;; 			     *number-of-writes*))
    ;; 		      " ms")
    ;; (debug:print-info 0 *default-log-port* "Number non-cached queries "  *number-non-write-queries*)
    ;; (debug:print-info 0 *default-log-port* "Average non-cached time   "
    ;; 		      (if (eq? *number-non-write-queries* 0)
    ;; 			  "n/a (no queries)"
    ;; 			  (/ *total-non-write-delay* 
    ;; 			     *number-non-write-queries*))
    ;; 		      " ms")
    
    (db:print-current-query-stats)
    #;(common:save-pkt `((action . exit)
                       (T      . server)
                       (pid    . ,(current-process-id)))
    *configdat* #t)

    ;; remove .servinfo file(s) here
    
    (debug:print-info 0 *default-log-port* "Server shutdown complete. Exiting")
    (exit)))

;; all routes though here end in exit ...
;;
;; start_server? 
;;
(define (http-transport:launch)
  ;; check the .servinfo directory, are there other servers running on this
  ;; or another host?
  (let* ((server-start-is-ok  (server:minimal-check *toppath*)))
    (if (not server-start-is-ok)
	(begin
	  (debug:print 0 *default-log-port* "ERROR: server start not ok, exiting now.")
	  (exit 1))))
    
  ;; check that a server start is in progress, pause or exit if so
  (let* ((th2 (make-thread (lambda ()
                             (debug:print-info 0 *default-log-port* "Server run thread started")
                             (http-transport:run 
                              (if (args:get-arg "-server")
                                  (args:get-arg "-server")
                                  "-")
                              )) "Server run"))
         (th3 (make-thread (lambda ()
                             (debug:print-info 0 *default-log-port* "Server monitor thread started")
                             (http-transport:keep-running)
                             "Keep running"))))
    (thread-start! th2)
    (thread-sleep! 0.25) ;; give the server time to settle before starting the keep-running monitor.
    (thread-start! th3)
    (set! *didsomething* #t)
    (thread-join! th2)
    (exit)))

;; (define (http-transport:server-signal-handler signum)
;;   (signal-mask! signum)
;;   (handle-exceptions
;;    exn
;;    (debug:print 0 *default-log-port* " ... exiting ...")
;;    (let ((th1 (make-thread (lambda ()
;; 			     (thread-sleep! 1))
;; 			   "eat response"))
;; 	 (th2 (make-thread (lambda ()
;; 			     (debug:print-error 0 *default-log-port* "Received ^C, attempting clean exit. Please be patient and wait a few seconds before hitting ^C again.")
;; 			     (thread-sleep! 3) ;; give the flush three seconds to do it's stuff
;; 			     (debug:print 0 *default-log-port* "       Done.")
;; 			     (exit 4))
;; 			   "exit on ^C timer")))
;;      (thread-start! th2)
;;      (thread-start! th1)
;;      (thread-join! th2))))

;;===============================================
;; Java script
;;===============================================
(define (http-transport:show-jquery)
  (let* ((data  (tests:readlines *java-script-lib*)))
(string-join data "\n")))



;;======================================================================
;; web pages
;;======================================================================

(define (http-transport:html-test-log $)
   (let* ((run-id ($ 'runid))
         (test-item ($ 'testname))
         (parts (string-split test-item ":"))
         (test-name (car parts))
             
         (item-name (if (equal? (length parts) 1)
             ""
             (cadr parts))))
  ;(print $) 
(tests:get-test-log run-id test-name item-name)))


(define (http-transport:html-dboard $)
  (let* ((page ($ 'page))
         (oup       (open-output-string)) 
         (bdy "--------------------------")

         (ret  (tests:dynamic-dboard page)))
    (s:output-new  oup  ret)
   (close-output-port oup)

  (set! bdy   (get-output-string oup))
     (conc "<h1>Dashboard</h1>" bdy "<br/> <br/> "  )))

(define (http-transport:main-page)
  (let ((linkpath (root-path)))
    (conc "<head><h1>" (pathname-strip-directory *toppath*) "</h1></head>"
	  "<body>"
	  "Run area: " *toppath*
	  "<h2>Server Stats</h2>"
	  (http-transport:stats-table) 
	  "<hr>"
	  (http-transport:runs linkpath)
	  "<hr>"
	  ;; (http-transport:run-stats)
	  "</body>"
	  )))

(define (http-transport:stats-table)
  (mutex-lock! *heartbeat-mutex*)
  (let ((res 
	 (conc "<table>"
	       ;; "<tr><td>Max cached queries</td>        <td>" *max-cache-size* "</td></tr>"
	       "<tr><td>Number of cached writes</td>   <td>" *number-of-writes* "</td></tr>"
	       "<tr><td>Average cached write time</td> <td>" (if (eq? *number-of-writes* 0)
								 "n/a (no writes)"
								 (/ *writes-total-delay*
								    *number-of-writes*))
	       " ms</td></tr>"
	       "<tr><td>Number non-cached queries</td> <td>"  *number-non-write-queries* "</td></tr>"
	       ;; "<tr><td>Average non-cached time</td>   <td>" (if (eq? *number-non-write-queries* 0)
	       ;; 							 "n/a (no queries)"
	       ;; 							 (/ *total-non-write-delay* 
	       ;; 							    *number-non-write-queries*))
	       " ms</td></tr>"
	       "<tr><td>Last access</td><td>"              (seconds->time-string *db-last-access*) "</td></tr>"
	       "</table>")))
    (mutex-unlock! *heartbeat-mutex*)
    res))

(define (http-transport:runs linkpath)
  (conc "<h3>Runs</h3>"
	(string-intersperse
	 (let ((files (map pathname-strip-directory (glob (conc linkpath "/*")))))
	   (map (lambda (p)
		  (conc "<a href=\"" p "\">" p "</a><br>"))
		files))
	 " ")))

#;(define (http-transport:run-stats)
  (let ((stats (open-run-close db:get-running-stats #f)))
    (conc "<table>"
	  (string-intersperse
	   (map (lambda (stat)
		  (conc "<tr><td>" (car stat) "</td><td>" (cadr stat) "</td></tr>"))
		stats)
	   " ")
	  "</table>")))
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Deleted index-tree.scm version [6384bce0d0].

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;;======================================================================
;; Copyright 2006-2013, 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/>.
;;
;;======================================================================

;;======================================================================
;; Tests
;;======================================================================

(use sqlite3 srfi-1 posix regex regex-case srfi-69 dot-locking tcp directory-utils)
(import (prefix sqlite3 sqlite3:))

(declare (unit tests))
(declare (uses lock-queue))
(declare (uses db))
(declare (uses common))
(declare (uses items))
(declare (uses runconfig))
(declare (uses commonmod))
(import commonmod)

(include "common_records.scm")
(include "key_records.scm")
(include "db_records.scm")
(include "run_records.scm")
(include "test_records.scm")

;; Populate the links tree with index.html files
;;
;;   - start from most recent tests and work towards oldest -OR-
;;     start from deepest hierarchy and work way up
;;   - look up tests in megatest.db
;;   - cross-reference the tests to stats.db
;;   - if newer than event_time in stats.db or not registered in stats.db regenerate
;;   - run du and store in stats.db
;;   - when all tests at that level done generate next level up index.html
;; 
;;     include in rollup html index.html:
;;          sum of du
;;          counts of PASS, FAIL, RUNNING, REMOTEHOSTSTART, LAUNCHED, CHECK etc.
;;          overall status
;;
;;     include in test specific index.html:
;;          host, uname, cpu graph, disk avail graph, steps, data
;;          meta data, state, status, du
;;          
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Modified launch.scm from [c6034a07ae] to [b617c96ace].

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(declare (unit launch))
(declare (uses subrun))
(declare (uses common))
(declare (uses debugprint))
(declare (uses commonmod))
(declare (uses configf))
(declare (uses db))

(declare (uses ezsteps))
(declare (uses dbfile))
(declare (uses mtargs))

(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:)
	(prefix sqlite3 sqlite3:)
	(prefix mtargs args:)

	debugprint)

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








>











>







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(declare (unit launch))
(declare (uses subrun))
(declare (uses common))
(declare (uses debugprint))
(declare (uses commonmod))
(declare (uses configf))
(declare (uses db))
(declare (uses rmtmod))
(declare (uses ezsteps))
(declare (uses dbfile))
(declare (uses mtargs))

(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:)
	(prefix sqlite3 sqlite3:)
	(prefix mtargs args:)
	rmtmod
	debugprint)

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

Deleted lock-queue.scm version [5f0ac4e80e].

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;; Copyright 2006-2013, 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/>.
;;

(use (prefix sqlite3 sqlite3:) srfi-18)

(declare (unit lock-queue))
(declare (uses common))
(declare (uses debugprint))
(declare (uses tasks))
(declare (uses commonmod))

(import commonmod
	debugprint)

;;======================================================================
;; attempt to prevent overlapping updates of rollup files by queueing
;; update requests in an sqlite db
;;======================================================================

;;======================================================================
;; db record, <vector db path-to-db>
;;======================================================================

(define (make-lock-queue:db-dat)(make-vector 3))
(define-inline (lock-queue:db-dat-get-db        vec)    (vector-ref  vec 0))
(define-inline (lock-queue:db-dat-get-path      vec)    (vector-ref  vec 1))
(define-inline (lock-queue:db-dat-set-db!       vec val)(vector-set! vec 0 val))
(define-inline (lock-queue:db-dat-set-path!     vec val)(vector-set! vec 1 val))

(define (lock-queue:delete-lock-db dbdat)
  (let ((fname (lock-queue:db-dat-get-path dbdat)))
    (system (conc "rm -f " fname "*"))))

(define (lock-queue:open-db fname #!key (count 10))
  (let* ((actualfname (conc fname ".lockdb"))
	 (dbexists (common:file-exists? actualfname))
	 (db       (sqlite3:open-database actualfname))
	 (handler  (make-busy-timeout 136000)))
    (if dbexists
	(vector db actualfname)
	(begin
	  (handle-exceptions
	   exn
	   (begin
	     (thread-sleep! 10)
	     (if (> count 0)
		 (lock-queue:open-db fname count: (- count 1))
		 (vector db actualfname)))
	   (sqlite3:with-transaction
	    db
	    (lambda ()
	      (sqlite3:execute 
	       db
	       "CREATE TABLE IF NOT EXISTS queue (
     	         id         INTEGER PRIMARY KEY,
                 test_id    INTEGER,
                 start_time INTEGER,
                 state      TEXT,
                 CONSTRAINT queue_constraint UNIQUE (test_id));")
	      (sqlite3:execute
	       db
	       "CREATE TABLE IF NOT EXISTS runlocks (
                 id         INTEGER PRIMARY KEY,
                 test_id    INTEGER,
                 run_lock   TEXT,
                 CONSTRAINT runlock_constraint UNIQUE (run_lock));"))))))
    (sqlite3:set-busy-handler! db handler)
    (vector db actualfname)))

(define (lock-queue:set-state dbdat test-id newstate #!key (remtries 10))
  (tasks:wait-on-journal (lock-queue:db-dat-get-path dbdat) 1200)
  (handle-exceptions
   exn
   (if (> remtries 0)
       (begin
	 (debug:print 0 *default-log-port* "WARNING: exception on lock-queue:set-state. Trying again in 30 seconds.")
	 (debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
	 (thread-sleep! 30)
	 (lock-queue:set-state dbdat test-id newstate remtries: (- remtries 1)))
       (begin
	 (debug:print-error 0 *default-log-port* " Failed to set lock state for test with id " test-id ", error: " ((condition-property-accessor 'exn 'message) exn) ", giving up.")
	 #f))
   (sqlite3:execute (lock-queue:db-dat-get-db dbdat) "UPDATE queue SET state=? WHERE test_id=?;"
		    newstate
		    test-id)))

(define (lock-queue:any-younger? dbdat mystart test-id #!key (remtries 10))
  ;; no need to wait on journal on read only queries
  ;; (tasks:wait-on-journal (lock-queue:db-dat-get-path dbdat) 1200)
  (handle-exceptions
   exn
   (if (> remtries 0)
       (begin
	 (debug:print 0 *default-log-port* "WARNING: exception on lock-queue:any-younger. Removing lockdb and trying again in 5 seconds.")
	 (debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
	 (thread-sleep! 5)
         (lock-queue:delete-lock-db dbdat)
	 (lock-queue:any-younger? dbdat mystart test-id remtries: (- remtries 1)))
       (begin
	 (debug:print-error 0 *default-log-port* " Failed to find younger locks for test with id " test-id ", error: " ((condition-property-accessor 'exn 'message) exn) ", giving up.")
	 #f))
   (let ((res #f))
     (sqlite3:for-each-row
      (lambda (tid)
	;; Actually this should not be needed as mystart cannot be simultaneously less than and test-id same as 
	(if (not (equal? tid test-id)) 
	    (set! res tid)))
      (lock-queue:db-dat-get-db dbdat)
      "SELECT test_id FROM queue WHERE start_time > ?;" mystart)
     res)))

(define (lock-queue:get-lock dbdat test-id #!key (count 10)(waiting-msg #f))
  (tasks:wait-on-journal (lock-queue:db-dat-get-path dbdat) 1200 remove: #t waiting-msg: "lock-queue:get-lock, waiting on journal")
  (let* ((res       #f)
	 (db        (lock-queue:db-dat-get-db dbdat))
	 (lckqry    (sqlite3:prepare db "SELECT test_id,run_lock FROM runlocks WHERE run_lock='locked';"))
	 (mklckqry  (sqlite3:prepare db "INSERT INTO runlocks (test_id,run_lock) VALUES (?,'locked');")))
    (let ((result 
	   (handle-exceptions
	    exn
	    (begin
	      (debug:print 0 *default-log-port* "WARNING: failed to get queue lock. Removing lock db and returning fail") ;; Will try again in a few seconds")
	      (debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
	      (thread-sleep! 10)
	      ;; (if (> count 0)	
	      ;;  #f ;; (lock-queue:get-lock dbdat test-id count: (- count 1)) - give up on retries 
	      ;; (begin ;; never recovered, remote the lock file and return #f, no lock obtained
	      (lock-queue:delete-lock-db dbdat)
	      #f)
	    (sqlite3:with-transaction
	     db
	     (lambda ()
	       (sqlite3:for-each-row (lambda (tid lockstate)
				       (set! res (list tid lockstate)))
				     lckqry)
	       (if res
		   (if (equal? (car res) test-id)
		       #t ;; already have the lock
		       #f)
		   (begin
		     (sqlite3:execute mklckqry test-id)
		     ;; if no error handled then return #t for got the lock
		     #t)))))))
      (sqlite3:finalize! lckqry)
      (sqlite3:finalize! mklckqry)
      result)))

(define (lock-queue:release-lock fname test-id #!key (count 10))
  (let* ((dbdat (lock-queue:open-db fname)))
    (tasks:wait-on-journal (lock-queue:db-dat-get-path dbdat) 1200 "lock-queue:release-lock; waiting on journal")
    (handle-exceptions
     exn
     (begin
       (debug:print 0 *default-log-port* "WARNING: Failed to release queue lock. Will try again in few seconds")
       (debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
       (thread-sleep! (/ count 10))
       (if (> count 0)
	   (begin
	     (sqlite3:finalize! (lock-queue:db-dat-get-db dbdat))
	     (lock-queue:release-lock fname test-id count: (- count 1)))
	   (let ((journal (conc fname "-journal")))
	     ;; If we've tried ten times and failed there is a serious problem
	     ;; try to remove the lock db and allow it to be recreated
	     (handle-exceptions
	      exn
	      #f
	      (if (common:file-exists? journal)(delete-file journal))
	      (if (common:file-exists? fname)  (delete-file fname))
	      #f))))
     (sqlite3:execute (lock-queue:db-dat-get-db dbdat) "DELETE FROM runlocks WHERE test_id=?;" test-id)
     (sqlite3:finalize! (lock-queue:db-dat-get-db dbdat)))))

(define (lock-queue:steal-lock dbdat test-id #!key (count 10))
  (debug:print-info 0 *default-log-port* "Attempting to steal lock at " (lock-queue:db-dat-get-path dbdat))
  (tasks:wait-on-journal (lock-queue:db-dat-get-path dbdat) 1200 "lock-queue:steal-lock; waiting on journal")
  (handle-exceptions
   exn
   (begin
     (debug:print 0 *default-log-port* "WARNING: Failed to steal queue lock. Will try again in few seconds")
     (debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
     (thread-sleep! 10)
     (if (> count 0)
	 (lock-queue:steal-lock dbdat test-id count: (- count 1))
	 #f))
   (sqlite3:execute (lock-queue:db-dat-get-db dbdat) "DELETE FROM runlocks WHERE run_lock='locked';"))
  (lock-queue:get-lock dbdat test-it))

;; returns #f if ok to skip the task
;; returns #t if ok to proceed with task
;; otherwise waits
;;
(define (lock-queue:wait-turn fname test-id #!key (count 10)(waiting-msg #f))
  (let* ((dbdat   (lock-queue:open-db fname))
	 (mystart (current-seconds))
	 (db      (lock-queue:db-dat-get-db dbdat)))
    ;; (tasks:wait-on-journal (lock-queue:db-dat-get-path dbdat) 1200 waiting-msg: "lock-queue:wait-turn; waiting on journal file")
    (handle-exceptions
     exn
     (begin
       (debug:print 0 *default-log-port* "WARNING: Failed to find out if it is ok to skip the wait queue. Will try again in few seconds")
       (debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
       (print-call-chain (current-error-port))
       (thread-sleep! 10)
       (if (> count 0)
	   (begin
	     (sqlite3:finalize! db)
	     (lock-queue:wait-turn fname test-id count: (- count 1)))
	   (begin
	     (debug:print 0 *default-log-port* "Giving up calls to lock-queue:wait-turn for test-id " test-id " at path " fname ", printing call chain")
	     (print-call-chain (current-error-port))
	     #f)))
     ;; wait 10 seconds and then check to see if someone is already updating the html
     (thread-sleep! 10)
     (if (not (lock-queue:any-younger? dbdat mystart test-id)) ;; no processing in flight, must try to start processing
	 (begin
	   (tasks:wait-on-journal (lock-queue:db-dat-get-path dbdat) 1200 waiting-msg: "lock-queue:wait-turn; waiting on journal file")
	   (sqlite3:execute
	    db
	    "INSERT OR REPLACE INTO queue (test_id,start_time,state) VALUES (?,?,'waiting');"
	    test-id mystart)
	   ;; (thread-sleep! 1) ;; give other tests a chance to register
	   (let ((result 
		  (let loop ((younger-waiting (lock-queue:any-younger? dbdat mystart test-id)))
		    (if younger-waiting
			(begin
			  ;; no need for us to wait. mark in the lock queue db as skipping
			  ;; no point in marking anything in the queue - simply never register this
			  ;; test as it is *covered* by a previously started update to the html file
			  ;; (lock-queue:set-state dbdat test-id "skipping")
			  #f) ;; let the calling process know that nothing needs to be done
			(if (lock-queue:get-lock dbdat test-id)
			    #t
			    (if (> (- (current-seconds) mystart) 36000) ;; waited too long, steal the lock
				(lock-queue:steal-lock dbdat test-id)
				(begin
				  (thread-sleep! 1)
				  (loop (lock-queue:any-younger? dbdat mystart test-id)))))))))
	     (sqlite3:finalize! db)
	     result))))))
	  
            
;; (use trace)
;; (trace lock-queue:get-lock lock-queue:release-lock lock-queue:wait-turn lock-queue:any-younger? lock-queue:set-state)
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Modified megatest.scm from [93e1fcbbf1] to [d6019e0e19].

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(declare (uses mtargs))
(declare (uses mtargs.import))
(declare (uses debugprint))
(declare (uses debugprint.import))
(declare (uses runs))
(declare (uses launch))
(declare (uses server))
(declare (uses client))
(declare (uses tests))
(declare (uses genexample))
;; (declare (uses daemon))

(declare (uses db))
;; (declare (uses dcommon))








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(declare (uses mtargs))
(declare (uses mtargs.import))
(declare (uses debugprint))
(declare (uses debugprint.import))
(declare (uses runs))
(declare (uses launch))
(declare (uses server))

(declare (uses tests))
(declare (uses genexample))
;; (declare (uses daemon))

(declare (uses db))
;; (declare (uses dcommon))

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      (if out-file (close-output-port out-port))
      (exit) ;; yes, bending the rules here - need to exit since this is a utility
      ))

(if (args:get-arg "-ping")
    (let* ((server-id     (string->number (args:get-arg "-ping"))) ;; extract run-id (i.e. no ":"
	   (host:port     (args:get-arg "-ping")))


      (server:ping (or server-id host:port) #f do-exit: #t)))

;;======================================================================
;; Capture, save and manipulate environments
;;======================================================================

;; NOTE: Keep these above the section where the server or client code is setup








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      (if out-file (close-output-port out-port))
      (exit) ;; yes, bending the rules here - need to exit since this is a utility
      ))

(if (args:get-arg "-ping")
    (let* ((server-id     (string->number (args:get-arg "-ping"))) ;; extract run-id (i.e. no ":"
	   (host:port     (args:get-arg "-ping")))
      (debug:print 0 *default-log-port* "NOT YET REIMPLEMENTED FOR TCP/INMEM") ;; bug
      (exit)))
      ;; (server:ping (or server-id host:port) #f do-exit: #t)))

;;======================================================================
;; Capture, save and manipulate environments
;;======================================================================

;; NOTE: Keep these above the section where the server or client code is setup

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;;
(if (args:get-arg "-server")
    (let* (;; (run-id     (args:get-arg "-run-id"))
	   (dbfname    (args:get-arg "-db"))
	   (tl         (launch:setup))
	   (keys       (keys:config-get-fields *configdat*)))
      (case (rmt:transport-mode)
	((http)(http-transport:launch))
	((tcp)
	 (let* ((timeout    (server:expiration-timeout)))
	   (debug:print 0 *default-log-port* "INFO: Running using tcp method with server timeout of "timeout)
	   (tt-server-timeout-param timeout)
	   (if dbfname
	       (tt:start-server tl #f dbfname api:tcp-dispatch-request-make-handler keys)
	       (begin







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;;
(if (args:get-arg "-server")
    (let* (;; (run-id     (args:get-arg "-run-id"))
	   (dbfname    (args:get-arg "-db"))
	   (tl         (launch:setup))
	   (keys       (keys:config-get-fields *configdat*)))
      (case (rmt:transport-mode)

	((tcp)
	 (let* ((timeout    (server:expiration-timeout)))
	   (debug:print 0 *default-log-port* "INFO: Running using tcp method with server timeout of "timeout)
	   (tt-server-timeout-param timeout)
	   (if dbfname
	       (tt:start-server tl #f dbfname api:tcp-dispatch-request-make-handler keys)
	       (begin
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    (begin
      (adjutant-run)
      (set! *didsomething* #t)))

(if (or (args:get-arg "-list-servers")
        (args:get-arg "-kill-servers"))
    (let ((tl (launch:setup)))


      (if tl ;; all roads from here exit
	  (let* ((servers (server:choose-server *toppath* 'all-valid)) ;; (server:get-list *toppath*))
		 (fmtstr  "~33a~22a~20a~20a~8a\n"))
            (if (not servers)
              (begin
                (debug:print-info 1 *default-log-port* "No servers found")
                (exit)







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    (begin
      (adjutant-run)
      (set! *didsomething* #t)))

(if (or (args:get-arg "-list-servers")
        (args:get-arg "-kill-servers"))
    (let ((tl (launch:setup)))
      (debug:print 0 *default-log-port* "NOT YET REIMPLEMENTED FOR TCP/INMEM") ;; BUG
      (exit)
      (if tl ;; all roads from here exit
	  (let* ((servers (server:choose-server *toppath* 'all-valid)) ;; (server:get-list *toppath*))
		 (fmtstr  "~33a~22a~20a~20a~8a\n"))
            (if (not servers)
              (begin
                (debug:print-info 1 *default-log-port* "No servers found")
                (exit)
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	      (begin
		(debug:print 0 *default-log-port* "Failed to setup, exiting")
		(exit 1)))

	  (if (args:get-arg "-runstep")(debug:print-info 1 *default-log-port* "Running -runstep, first change to directory " work-area))
	  (change-directory work-area)
	  ;; can setup as client for server mode now
	  ;; (client:setup)

	  (if (args:get-arg "-load-test-data")
	      ;; has sub commands that are rdb:
	      ;; DO NOT put this one into either rmt: or open-run-close
	      (tdb:load-test-data run-id test-id))
	  (if (args:get-arg "-setlog")
	      (let ((logfname (args:get-arg "-setlog")))







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	      (begin
		(debug:print 0 *default-log-port* "Failed to setup, exiting")
		(exit 1)))

	  (if (args:get-arg "-runstep")(debug:print-info 1 *default-log-port* "Running -runstep, first change to directory " work-area))
	  (change-directory work-area)
	  ;; can setup as client for server mode now


	  (if (args:get-arg "-load-test-data")
	      ;; has sub commands that are rdb:
	      ;; DO NOT put this one into either rmt: or open-run-close
	      (tdb:load-test-data run-id test-id))
	  (if (args:get-arg "-setlog")
	      (let ((logfname (args:get-arg "-setlog")))
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(if (args:get-arg "-import-sexpr")
    (begin
      (launch:setup)
      (rmt:import-sexpr (args:get-arg "-import-sexpr"))
      (set! *didsomething* #t)))

(when (args:get-arg "-sync-brute-force")
  (launch:setup)
  ((server:get-bruteforce-syncer (db:setup #t) persist-until-sync: #t))
  (set! *didsomething* #t))

(if (args:get-arg "-sync-to-megatest.db")
    (let* ((duh      (launch:setup))
	   (dbstruct (db:setup #t))
	   (tmpdbpth (dbr:dbstruct-tmppath dbstruct))
	   (lockfile (conc tmpdbpth ".lock"))
	   (locked   (common:simple-file-lock lockfile)) 
	   (res      (if locked







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(if (args:get-arg "-import-sexpr")
    (begin
      (launch:setup)
      (rmt:import-sexpr (args:get-arg "-import-sexpr"))
      (set! *didsomething* #t)))






(if (args:get-arg "-sync-to-megatest.db")
    (let* ((duh      (launch:setup))
	   (dbstruct (db:setup #t))
	   (tmpdbpth (dbr:dbstruct-tmppath dbstruct))
	   (lockfile (conc tmpdbpth ".lock"))
	   (locked   (common:simple-file-lock lockfile)) 
	   (res      (if locked

Modified mt.scm from [86c22fd19d] to [9ff41cb92d].

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(declare (uses common))
(declare (uses items))
(declare (uses runconfig))
(declare (uses tests))
(declare (uses server))
(declare (uses runs))
(declare (uses rmt))
;; (declare (uses filedb))

(import debugprint)


(include "common_records.scm")
(include "key_records.scm")
(include "db_records.scm")
(include "run_records.scm")
(include "test_records.scm")








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(declare (uses common))
(declare (uses items))
(declare (uses runconfig))
(declare (uses tests))
(declare (uses server))
(declare (uses runs))
(declare (uses rmt))
(declare (uses rmtmod))

(import debugprint
	rmtmod)

(include "common_records.scm")
(include "key_records.scm")
(include "db_records.scm")
(include "run_records.scm")
(include "test_records.scm")

Modified rmt.scm from [7b6e5d850e] to [759d7a27d6].

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

(use format typed-records) ;; RADT => purpose of json format??

(declare (unit rmt))
(declare (uses debugprint))
(declare (uses api))
(declare (uses http-transport))
(declare (uses commonmod))
(declare (uses dbfile))
;; (declare (uses dbmemmod))
(declare (uses dbmod))
(declare (uses tcp-transportmod))
(include "common_records.scm")
(declare (uses rmtmod))

;; used by http-transport
(import dbfile
	rmtmod
	commonmod
	debugprint
;; 	dbmemmod
	dbfile
	dbmod
	tcp-transportmod)

;; http - use the old http + in /tmp db
;; tcp  - use tcp transport with inmem db
;; nfs  - use direct to disk access (read-only)
;;
(define rmt:transport-mode (make-parameter 'http))
;;
;; THESE ARE ALL CALLED ON THE CLIENT SIDE!!!
;;

;; generate entries for ~/.megatestrc with the following
;;
;;  grep define ../rmt.scm | grep rmt: |perl -pi -e 's/\(define\s+\((\S+)\W.*$/\1/'|sort -u

;;======================================================================
;;  S U P P O R T   F U N C T I O N S
;;======================================================================

;; if a server is either running or in the process of starting call client:setup
;; else return #f to let the calling proc know that there is no server available
;;
(define (rmt:get-connection-info areapath runremote) ;; TODO: push areapath down.
  (let* ((cinfo     (if (and (remote? runremote)
			     (remote-api-url runremote)) ;; we have a connection
			runremote
			#f)))
    (if cinfo
	cinfo
	(if (server:check-if-running areapath)
	    (client:setup areapath runremote)
	    #f))))

(define (rmt:on-homehost? runremote)
  (let* ((hh-dat (remote-hh-dat runremote)))
    (if (pair? hh-dat)
	(cdr hh-dat)
	(begin
	  (debug:print-info 0 *default-log-port* "hh-dat="hh-dat)
	  #f))))







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

(use format typed-records) ;; RADT => purpose of json format??

(declare (unit rmt))
(declare (uses debugprint))
(declare (uses api))

(declare (uses commonmod))
(declare (uses dbfile))

(declare (uses dbmod))
(declare (uses tcp-transportmod))
(include "common_records.scm")
(declare (uses rmtmod))

;; used by http-transport
(import dbfile
	rmtmod
	commonmod
	debugprint
;; 	dbmemmod
	dbfile
	dbmod
	tcp-transportmod)






;;
;; THESE ARE ALL CALLED ON THE CLIENT SIDE!!!
;;

;; generate entries for ~/.megatestrc with the following
;;
;;  grep define ../rmt.scm | grep rmt: |perl -pi -e 's/\(define\s+\((\S+)\W.*$/\1/'|sort -u

;;======================================================================
;;  S U P P O R T   F U N C T I O N S
;;======================================================================















(define (rmt:on-homehost? runremote)
  (let* ((hh-dat (remote-hh-dat runremote)))
    (if (pair? hh-dat)
	(cdr hh-dat)
	(begin
	  (debug:print-info 0 *default-log-port* "hh-dat="hh-dat)
	  #f))))
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  (if (not runremote)
      (let* ((newremote  (make-and-init-remote areapath)))
	(set! *runremote* newremote)
	(set! runremote newremote)))
  (let* ((dbfname (conc (dbfile:run-id->dbnum run-id)".db"))) ;;(dbfile:run-id->path areapath run-id)))
    (tt:handler runremote cmd run-id params attemptnum area-dat areapath readonly-mode dbfname testsuite mtexe)))
	
(define (http-transport-handler runremote cmd rid params attemptnum area-dat areapath readonly-mode)
    ;; do all the prep locked under the rmt-mutex
  (mutex-lock! *rmt-mutex*)
  
  ;; ensure we have a record for our connection for given area
  (if (not runremote)                   ;; can remove this one. should never get here.         
      (begin
	(set! *runremote* (make-and-init-remote areapath))
        (let* ((server-info (remote-server-info *runremote*))) 
          (if server-info
	      (begin
		(remote-server-url-set! *runremote* (server:record->url server-info))
		(remote-server-id-set! *runremote* (server:record->id server-info)))))  
	(set! runremote   *runremote*))) ;; new runremote will come from this on next iteration

  ;; ensure we have a homehost record
  (if (or (not (pair? (remote-hh-dat runremote)))  ;; not on homehost
	  (not (cdr (remote-hh-dat runremote))))   ;; not on homehost
      (thread-sleep! 0.1) ;; since we shouldn't get here, delay a little
      (let ((hh-data (server:choose-server areapath 'homehost)))
	(remote-hh-dat-set! runremote (or hh-data (cons #f #f)))))
  
  (cond
   ;; give up if more than 150 attempts
   ((> attemptnum 150)
    (debug:print 0 *default-log-port* "ERROR: 150 tries to start/connect to server. Giving up.")
    (exit 1))

   ;; readonly mode, read request-  handle it - case 2
   ((and readonly-mode
         (member cmd api:read-only-queries)) 
    (mutex-unlock! *rmt-mutex*)
    (debug:print-info 12 *default-log-port* "rmt:send-receive, case 2")
    (rmt:open-qry-close-locally cmd 0 params)
    )

   ;; readonly mode, write request.  Do nothing, return #f
   (readonly-mode (extras-readonly-mode *rmt-mutex* *default-log-port* cmd params))

   ;; This block was for pre-emptively resetting the connection if there had been no communication for some time.
   ;; I don't think it adds any value. If the server is not there, just fail and start a new connection.
   ;; also, the expire-time calculation might not be correct. We want, time-since-last-server-access > (server:get-timeout)
   ;;
   ;; reset the connection if it has been unused too long
   ((and runremote
         (remote-api-url runremote)
	 (> (current-seconds) ;; if it has been more than server-timeout seconds since last contact, close this connection and start a new on
	    (+ (remote-last-access runremote)
	       (remote-server-timeout runremote))))
    (debug:print-info 0 *default-log-port* "Connection to " (remote-server-url runremote) " expired due to no accesses in " (remote-server-timeout runremote) " seconds, forcing new connection.")
    (http-transport:close-connections runremote)
    ;; moving this setting of runremote conndat to #f to inside the http-transport:close-connections
    ;; (remote-conndat-set! runremote #f) ;; invalidate the connection, thus forcing a new connection.
    (mutex-unlock! *rmt-mutex*)
    (rmt:send-receive cmd rid params attemptnum: attemptnum))
   
   ;; on homehost and this is a read
   ((and (not (remote-force-server runremote)) ;; honor forced use of server, i.e. server NOT required
	 (rmt:on-homehost? runremote)
         (member cmd api:read-only-queries))   ;; this is a read
    (mutex-unlock! *rmt-mutex*)
    (debug:print-info 12 *default-log-port* "rmt:send-receive, case  5")
    (rmt:open-qry-close-locally cmd 0 params))

   ;; on homehost and this is a write, we already have a server
   ((and (not (remote-force-server runremote))     ;; honor forced use of server, i.e. server NOT required
	 (cdr (remote-hh-dat runremote))           ;; on homehost
         (not (member cmd api:read-only-queries))  ;; this is a write
         (remote-server-url runremote))            ;; have a server (needed to sync written data back)
    (mutex-unlock! *rmt-mutex*)
    (debug:print-info 12 *default-log-port* "rmt:send-receive, case  4.1")
    (rmt:open-qry-close-locally cmd 0 params))

   ;;  on homehost, no server contact made and this is a write, passively start a server 
   ((and (not (remote-force-server runremote))     ;; honor forced use of server, i.e. server NOT required
	 (cdr (remote-hh-dat runremote))           ;; have homehost
         (not (remote-server-url runremote))       ;; no connection yet
	 (not (member cmd api:read-only-queries))) ;; not a read-only query
    (debug:print-info 12 *default-log-port* "rmt:send-receive, case  8")
    (let ((server-info  (server:check-if-running *toppath*))) ;; (server:read-dotserver->url *toppath*))) ;; (server:check-if-running *toppath*))) ;; Do NOT want to run server:check-if-running - very expensive to do for every write call
      (if server-info
	  (begin
            (remote-server-url-set! runremote (server:record->url server-info)) ;; the string can be consumed by the client setup if needed
            (remote-server-id-set! runremote (server:record->id server-info)))  
	  (if (common:force-server?)
	      (server:start-and-wait *toppath*)
	      (server:kind-run *toppath*)))
      (remote-force-server-set! runremote (common:force-server?))
      (mutex-unlock! *rmt-mutex*)
      (debug:print-info 12 *default-log-port* "rmt:send-receive, case  8.1")
      (rmt:open-qry-close-locally cmd 0 params)))

   ;;DOT CASE9 [label="force server\nnot on homehost"];
   ;;DOT MUTEXLOCK -> CASE9 [label="no connection\nand either require server\nor not on homehost"]; {rank=same "case 9" CASE9};
   ;;DOT CASE9 -> "start\nserver" -> "rmt:send-receive";
   ((or (and (remote-force-server runremote)              ;; we are forcing a server and don't yet have a connection to one
	     (not (remote-api-url runremote)))
	(and (not (cdr (remote-hh-dat runremote)))        ;; not on a homehost 
	     (not (remote-api-url runremote))))           ;; and no connection
    (debug:print-info 12 *default-log-port* "rmt:send-receive, case 9, hh-dat: " (remote-hh-dat runremote) " runremote: " (remote->alist runremote))
    (mutex-unlock! *rmt-mutex*)
    (if (not (server:check-if-running *toppath*)) ;; who knows, maybe one has started up?
	(server:start-and-wait *toppath*))
    ;; was: (remote-conndat-set! runremote (rmt:get-connection-info *toppath* runremote)) ;; calls client:setup which calls client:setup-http
    (set! runremote (rmt:get-connection-info *toppath* runremote)) ;; calls client:setup which calls client:setup-http
    (rmt:send-receive cmd rid params attemptnum: attemptnum)) ;; TODO: add back-off timeout as

   ;;DOT CASE10 [label="on homehost"];
   ;;DOT MUTEXLOCK -> CASE10 [label="server not required,\non homehost"]; {rank=same "case 10" CASE10};
   ;;DOT CASE10 -> "rmt:open-qry-close-locally";
   ;; all set up if get this far, dispatch the query
   ((and (not (remote-force-server runremote))
	 (cdr (remote-hh-dat runremote))) ;; we are on homehost
    (mutex-unlock! *rmt-mutex*)
    (debug:print-info 12 *default-log-port* "rmt:send-receive, case 10")
    (rmt:open-qry-close-locally cmd (if rid rid 0) params))

   ;;DOT CASE11 [label="send_receive"];
   ;;DOT MUTEXLOCK -> CASE11 [label="else"]; {rank=same "case 11" CASE11};
   ;;DOT CASE11 -> "rmt:send-receive" [label="call failed"];
   ;;DOT CASE11 -> "RESULT" [label="call succeeded"];
   ;; not on homehost, do server query
   (else (extras-case-11 *default-log-port* runremote cmd params attemptnum rid))))

;; bunch of small functions factored out of send-receive to make debug easier
;;

(define (extras-case-11 *default-log-port* runremote cmd params attemptnum rid)
  ;; (mutex-unlock! *rmt-mutex*)
  (debug:print-info 12 *default-log-port* "rmt:send-receive, case  9")
  ;; (mutex-lock! *rmt-mutex*)
  (let* (;; (conninfo (remote-conndat runremote))
	 (dat-in  (condition-case ;; handling here has
			     ;; caused a lot of
			     ;; problems. However it
			     ;; is needed to deal with
			     ;; attemtped
			     ;; communication to
			     ;; servers that have gone
			     ;; away
			     (http-transport:client-api-send-receive 0 runremote cmd params)
			     ;; (http-transport:client-api-send-receive 0 conninfo cmd params runremote)
			     ((servermismatch)  (vector #f "Server id mismatch" ))
			     ((commfail)(vector #f "communications fail"))
			     ((exn)(vector #f "other fail" (print-call-chain)))))
	 (dat      (if (and (vector? dat-in) ;; ... check it is a correct size
			    (> (vector-length dat-in) 1))
		       dat-in
		       (vector #f (conc "communications fail (type 2), dat-in=" dat-in))))
	 (success  (if (vector? dat) (vector-ref dat 0) #f))
	 (res      (if (vector? dat) (vector-ref dat 1) #f)))
    (if (and (remote? runremote)
	     (remote-api-url runremote)) ;; (and (vector? conninfo) (< 5 (vector-length conninfo)))
	(remote-last-access-set! runremote (current-seconds)) ;; refresh access time
	(begin
	  (debug:print 0 *default-log-port* "INFO: Should not get here! runremote="(remote->alist runremote))
	  ;; (set! conninfo #f)
	  (http-transport:close-connections runremote)))
    (debug:print-info 13 *default-log-port* "rmt:send-receive, case  9. runremote=" (remote->alist runremote) " dat=" dat " runremote = " runremote)
    (mutex-unlock! *rmt-mutex*)
    (if success ;; success only tells us that the transport was
	;; successful, have to examine the data to see if
	;; there was a detected issue at the other end
	(extras-transport-succeded *default-log-port* *rmt-mutex* attemptnum runremote res params rid cmd)
	(begin
           (debug:print-error 0 *default-log-port* " dat=" dat) 
           (extras-transport-failed *default-log-port* *rmt-mutex* attemptnum runremote cmd rid params))
	)))

(define (rmt:print-db-stats)
  (let ((fmtstr "~40a~7-d~9-d~20,2-f")) ;; "~20,2-f"
    (debug:print 18 *default-log-port* "DB Stats\n========")
    (debug:print 18 *default-log-port* (format #f "~40a~8a~10a~10a" "Cmd" "Count" "TotTime" "Avg"))
    (for-each (lambda (cmd)
		(let ((cmd-dat (hash-table-ref *db-stats* cmd)))







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  (if (not runremote)
      (let* ((newremote  (make-and-init-remote areapath)))
	(set! *runremote* newremote)
	(set! runremote newremote)))
  (let* ((dbfname (conc (dbfile:run-id->dbnum run-id)".db"))) ;;(dbfile:run-id->path areapath run-id)))
    (tt:handler runremote cmd run-id params attemptnum area-dat areapath readonly-mode dbfname testsuite mtexe)))
	









































































































































































(define (rmt:print-db-stats)
  (let ((fmtstr "~40a~7-d~9-d~20,2-f")) ;; "~20,2-f"
    (debug:print 18 *default-log-port* "DB Stats\n========")
    (debug:print 18 *default-log-port* (format #f "~40a~8a~10a~10a" "Cmd" "Count" "TotTime" "Avg"))
    (for-each (lambda (cmd)
		(let ((cmd-dat (hash-table-ref *db-stats* cmd)))
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	  (if qry-is-write
	      (let ((start-time (current-seconds)))
		(mutex-lock! *db-multi-sync-mutex*)
/		(set! *db-last-access* start-time)  ;; THIS IS PROBABLY USELESS? (we are on a client)
                (mutex-unlock! *db-multi-sync-mutex*)))))
    res))

(define (rmt:send-receive-no-auto-client-setup runremote cmd run-id params)
  (let* ((run-id   (if run-id run-id 0))
	 (res  	   (http-transport:client-api-send-receive run-id runremote cmd params)))
    (if (and res (vector-ref res 0))
	(vector-ref res 1) ;;; YES!! THIS IS CORRECT!! CHANGE IT HERE, THEN CHANGE rmt:send-receive ALSO!!!
	#f)))

;;======================================================================
;;
;; A C T U A L   A P I   C A L L S  
;;
;;======================================================================

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







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	  (if qry-is-write
	      (let ((start-time (current-seconds)))
		(mutex-lock! *db-multi-sync-mutex*)
/		(set! *db-last-access* start-time)  ;; THIS IS PROBABLY USELESS? (we are on a client)
                (mutex-unlock! *db-multi-sync-mutex*)))))
    res))








;;======================================================================
;;
;; A C T U A L   A P I   C A L L S  
;;
;;======================================================================

;;======================================================================
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(define (rmt:login run-id)
  (rmt:send-receive 'login run-id (list *toppath* megatest-version (client:get-signature))))

;; This login does no retries under the hood - it acts a bit like a ping.
;; Deprecated for nmsg-transport.
;;
(define (rmt:login-no-auto-client-setup runremote)
  (rmt:send-receive-no-auto-client-setup runremote 'login 0 (list *toppath* megatest-version (client:get-signature))))

;; hand off a call to one of the db:queries statements
;; added run-id to make looking up the correct db possible 
;;
(define (rmt:general-call stmtname run-id . params)
  (rmt:send-receive 'general-call run-id (append (list stmtname run-id) params)))


;; given a hostname, return a pair of cpu load and update time representing latest intelligence from tests running on that host
(define (rmt:get-latest-host-load hostname)
  (rmt:send-receive 'get-latest-host-load 0 (list hostname)))

(define (rmt:sdb-qry qry val run-id)







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(define (rmt:login run-id)
  (rmt:send-receive 'login run-id (list *toppath* megatest-version (client:get-signature))))

;; This login does no retries under the hood - it acts a bit like a ping.
;; Deprecated for nmsg-transport.
;;
;; (define (rmt:login-no-auto-client-setup runremote)
;;   (rmt:send-receive-no-auto-client-setup runremote 'login 0 (list *toppath* megatest-version (client:get-signature))))








;; given a hostname, return a pair of cpu load and update time representing latest intelligence from tests running on that host
(define (rmt:get-latest-host-load hostname)
  (rmt:send-receive 'get-latest-host-load 0 (list hostname)))

(define (rmt:sdb-qry qry val run-id)
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	   (if runremote
	       (begin
		 (tt-ro-mode-set! runremote ro-mode)
		 (tt-ro-mode-checked-set! runremote #t)
		 ro-mode)
	       ro-mode))))))

(define (extras-readonly-mode rmt-mutex log-port cmd params)
  (mutex-unlock! rmt-mutex)
  (debug:print-info 12 log-port "rmt:send-receive, case 3")
  (debug:print 0 log-port "WARNING: write transaction requested on a readonly area.  cmd="cmd" params="params)
  #f)

(define (extras-transport-failed *default-log-port* *rmt-mutex* attemptnum runremote cmd rid params)
  (debug:print 0 *default-log-port* "WARNING: communication failed. Trying again, try num: " attemptnum)
  (mutex-lock! *rmt-mutex*)
  (http-transport:close-connections runremote)
  ;; (remote-server-url-set! runremote #f)
  (mutex-unlock! *rmt-mutex*)
  (debug:print-info 12 *default-log-port* "rmt:send-receive, case  9.1")
  (rmt:send-receive cmd rid params attemptnum: (+ attemptnum 1)))
  
(define (extras-transport-succeded *default-log-port* *rmt-mutex* attemptnum runremote res params rid cmd)
  (if (and (vector? res)
	   (eq? (vector-length res) 2)
	   (eq? (vector-ref res 1) 'overloaded)) ;; since we are
						 ;; looking at the
						 ;; data to carry the
						 ;; error we'll use a
						 ;; fairly obtuse
						 ;; combo to minimise
						 ;; the chances of
						 ;; some sort of
						 ;; collision.  this
						 ;; is the case where
						 ;; the returned data
						 ;; is bad or the
						 ;; server is
						 ;; overloaded and we
						 ;; want to ease off
						 ;; the queries
      (let ((wait-delay (+ attemptnum (* attemptnum 10))))
	(debug:print 0 *default-log-port* "WARNING: server is overloaded. Delaying " wait-delay " seconds and trying call again.")
	(mutex-lock! *rmt-mutex*)
	(http-transport:close-connections runremote)
	(set! *runremote* #f) ;; force starting over
	(mutex-unlock! *rmt-mutex*)
	(thread-sleep! wait-delay)
	(rmt:send-receive cmd rid params attemptnum: (+ attemptnum 1)))
      res)) ;; All good, return res

#;(set-functions rmt:send-receive                       remote-server-url-set!
	       http-transport:close-connections	      remote-conndat-set!
	       debug:print                            debug:print-info
	       remote-ro-mode                         remote-ro-mode-set!
	       remote-ro-mode-checked-set!            remote-ro-mode-checked)







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	   (if runremote
	       (begin
		 (tt-ro-mode-set! runremote ro-mode)
		 (tt-ro-mode-checked-set! runremote #t)
		 ro-mode)
	       ro-mode))))))


















































Modified rmtmod.scm from [7e567e8daa] to [5ddda54a47].

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(defstruct alldat
  (areapath #f)
  (ulexdat  #f)
  )

;; hold the send-receive proc in this parameter
(define rmtmod:send-receive #f) ;; (make-parameter #f))













;;======================================================================
;; import an sexpr file into the db
;;======================================================================

(define (rmt:import-sexpr sexpr-file)
  (if (file-exists? sexpr-file)







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(defstruct alldat
  (areapath #f)
  (ulexdat  #f)
  )

;; hold the send-receive proc in this parameter
(define rmtmod:send-receive #f) ;; (make-parameter #f))

;;======================================================================
;; M I S C
;;======================================================================

;; hand off a call to one of the db:queries statements
;; added run-id to make looking up the correct db possible 
;;
(define (rmt:general-call stmtname run-id . params)
  (rmtmod:send-receive 'general-call run-id (append (list stmtname run-id) params)))



;;======================================================================
;; import an sexpr file into the db
;;======================================================================

(define (rmt:import-sexpr sexpr-file)
  (if (file-exists? sexpr-file)
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(define (rmt:insert-test run-id test-rec)
  (let* ((testname  (alist-ref "testname" test-rec equal?))
	 (item-path (alist-ref "item_path" test-rec equal?)))
    (debug:print 0 *default-log-port* "   Insert test in run "run-id": "testname"/"item-path)
    (rmtmod:send-receive 'insert-test run-id test-rec)))

;;======================================================================
;; 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)
  (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))

;; 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*)
	 (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)))
)







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(define (rmt:insert-test run-id test-rec)
  (let* ((testname  (alist-ref "testname" test-rec equal?))
	 (item-path (alist-ref "item_path" test-rec equal?)))
    (debug:print 0 *default-log-port* "   Insert test in run "run-id": "testname"/"item-path)
    (rmtmod:send-receive 'insert-test run-id test-rec)))







































)




Modified runs.scm from [fbcfc7c544] to [7f8a9d5cc9].

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(declare (uses items))
(declare (uses runconfig))
(declare (uses tests))
(declare (uses server))
(declare (uses mt))
(declare (uses archive))
(declare (uses mtargs))


(use (prefix sqlite3 sqlite3:) srfi-1 posix regex regex-case srfi-69 (srfi 18) 
     posix-extras directory-utils pathname-expand typed-records format  sxml-serializer
     sxml-modifications matchable)



(include "common_records.scm")
(include "key_records.scm")
(include "db_records.scm")
(include "run_records.scm")
(include "test_records.scm")

;; (include "debugger.scm")

(import commonmod
	debugprint

	(prefix mtargs args:))

;; use this struct to facilitate refactoring
;;

(defstruct runs:dat
  reglen regfull







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(declare (uses items))
(declare (uses runconfig))
(declare (uses tests))
(declare (uses server))
(declare (uses mt))
(declare (uses archive))
(declare (uses mtargs))
(declare (uses rmtmod))

(use (prefix sqlite3 sqlite3:) srfi-1 posix regex regex-case srfi-69 (srfi 18) 
     posix-extras directory-utils pathname-expand typed-records format  sxml-serializer
     sxml-modifications matchable)



(include "common_records.scm")
(include "key_records.scm")
(include "db_records.scm")
(include "run_records.scm")
(include "test_records.scm")

;; (include "debugger.scm")

(import commonmod
	debugprint
	rmtmod
	(prefix mtargs args:))

;; use this struct to facilitate refactoring
;;

(defstruct runs:dat
  reglen regfull

Modified server.scm from [ca005a962e] to [a78488d9e1].

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(declare (uses commonmod))
(declare (uses debugprint))
(declare (uses common))
(declare (uses db))
(declare (uses tasks)) ;; tasks are where stuff is maintained about what is running.
;; (declare (uses synchash))
(declare (uses http-transport))
;;(declare (uses rpc-transport))
(declare (uses launch))
;; (declare (uses daemon))
(declare (uses mtargs))

(require-extension (srfi 18) extras tcp s11n)








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

;;(declare (uses rpc-transport))
(declare (uses launch))
;; (declare (uses daemon))
(declare (uses mtargs))

(require-extension (srfi 18) extras tcp s11n)

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    (begin 
      (debug:print-info 0 *default-log-port*  "Unable to get host and/or port from " servr ", exn=" exn)     
    #f)
  (match-let (((hostname port start-time server-id pid)
	       servr))
    (tasks:kill-server hostname pid))))

;; called in megatest.scm, host-port is string hostname:port
;;
;; NOTE: This is NOT called directly from clients as not all transports support a client running
;;       in the same process as the server.
;;
(define (server:ping host:port server-id #!key (do-exit #f))
  (let* ((host-port (cond
		     ((string? host:port)
		      (let ((slst (string-split   host:port ":")))
			(if (eq? (length slst) 2)
			    (list (car slst)(string->number (cadr slst)))
			    #f)))
		     (else
		      #f))))
    (cond
     ((and (list? host-port)
	   (eq? (length host-port) 2))
      (let* ((myrunremote (make-and-init-remote *toppath*))
	     (iface       (car host-port))
	     (port        (cadr host-port))
	     (server-dat  (client:connect iface port server-id myrunremote))
	     (login-res   (rmt:login-no-auto-client-setup myrunremote)))
	(http-transport:close-connections myrunremote)
	(if (and (list? login-res)
		 (car login-res))
	    (begin
	      ;; (print "LOGIN_OK")
	      (if do-exit (exit 0))
	      #t)
	    (begin
	      ;; (print "LOGIN_FAILED")
	      (if do-exit (exit 1))
	      #f))))
     (else 
      (if host:port
	  (debug:print 0 *default-log-port*  "ERROR: bad host:port "host:port))
      (if do-exit
	  (exit 1)
	  #f)))))

;; run ping in separate process, safest way in some cases
;;
(define (server:ping-server ifaceport)
  (with-input-from-pipe 
   (conc (common:get-megatest-exe) " -ping " ifaceport)
   (lambda ()
     (let loop ((inl (read-line))
		(res "NOREPLY"))
       (if (eof-object? inl)
	   (case (string->symbol res)
	     ((NOREPLY)  #f)
	     ((LOGIN_OK) #t)
	     (else       #f))
	   (loop (read-line) inl))))))

;; NOT USED (well, ok, reference in rpc-transport but otherwise not used).
;;
(define (server:login toppath)
  (lambda (toppath)
    (set! *db-last-access* (current-seconds)) ;; might not be needed.
    (if (equal? *toppath* toppath)
	#t
	#f)))

;; timeout is hms string: 1h 5m 3s, default is 1 minute
;; This is currently broken. Just use the number of hours with no unit.
;; Default is 60 seconds.
;;
(define (server:expiration-timeout)
  (let* ((tmo (configf:lookup *configdat* "server" "timeout")))







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    (begin 
      (debug:print-info 0 *default-log-port*  "Unable to get host and/or port from " servr ", exn=" exn)     
    #f)
  (match-let (((hostname port start-time server-id pid)
	       servr))
    (tasks:kill-server hostname pid))))

;; ;; called in megatest.scm, host-port is string hostname:port
;; ;;
;; ;; NOTE: This is NOT called directly from clients as not all transports support a client running
;; ;;       in the same process as the server.
;; ;;
;; (define (server:ping host:port server-id #!key (do-exit #f))
;;   (let* ((host-port (cond
;; 		     ((string? host:port)
;; 		      (let ((slst (string-split   host:port ":")))
;; 			(if (eq? (length slst) 2)
;; 			    (list (car slst)(string->number (cadr slst)))
;; 			    #f)))
;; 		     (else
;; 		      #f))))
;;     (cond
;;      ((and (list? host-port)
;; 	   (eq? (length host-port) 2))
;;       (let* ((myrunremote (make-and-init-remote *toppath*))
;; 	     (iface       (car host-port))
;; 	     (port        (cadr host-port))
;; 	     (server-dat  (client:connect iface port server-id myrunremote))
;; 	     (login-res   (rmt:login-no-auto-client-setup myrunremote)))
;; 	(http-transport:close-connections myrunremote)
;; 	(if (and (list? login-res)
;; 		 (car login-res))
;; 	    (begin
;; 	      ;; (print "LOGIN_OK")
;; 	      (if do-exit (exit 0))
;; 	      #t)
;; 	    (begin
;; 	      ;; (print "LOGIN_FAILED")
;; 	      (if do-exit (exit 1))
;; 	      #f))))
;;      (else 
;;       (if host:port
;; 	  (debug:print 0 *default-log-port*  "ERROR: bad host:port "host:port))
;;       (if do-exit
;; 	  (exit 1)
;; 	  #f)))))
;; 
;; ;; run ping in separate process, safest way in some cases
;; ;;
;; (define (server:ping-server ifaceport)
;;   (with-input-from-pipe 
;;    (conc (common:get-megatest-exe) " -ping " ifaceport)
;;    (lambda ()
;;      (let loop ((inl (read-line))
;; 		(res "NOREPLY"))
;;        (if (eof-object? inl)
;; 	   (case (string->symbol res)
;; 	     ((NOREPLY)  #f)
;; 	     ((LOGIN_OK) #t)
;; 	     (else       #f))
;; 	   (loop (read-line) inl))))))
;; 
;; ;; NOT USED (well, ok, reference in rpc-transport but otherwise not used).
;; ;;
;; (define (server:login toppath)
;;   (lambda (toppath)
;;     (set! *db-last-access* (current-seconds)) ;; might not be needed.
;;     (if (equal? *toppath* toppath)
;; 	#t
;; 	#f)))

;; timeout is hms string: 1h 5m 3s, default is 1 minute
;; This is currently broken. Just use the number of hours with no unit.
;; Default is 60 seconds.
;;
(define (server:expiration-timeout)
  (let* ((tmo (configf:lookup *configdat* "server" "timeout")))

Modified synchash.scm from [6d4566e942] to [6e3717b1e0].

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(use format)
(use srfi-1 srfi-69 sqlite3)
(import (prefix sqlite3 sqlite3:))

(declare (unit synchash))
(declare (uses db))
(declare (uses server))


(include "db_records.scm")



(define (synchash:make)
   (make-hash-table))

;; given an alist of objects '((id obj) ...) 
;;   1. remove unchanged objects from the list
;;   2. create a list of removed objects by id







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(use format)
(use srfi-1 srfi-69 sqlite3)
(import (prefix sqlite3 sqlite3:))

(declare (unit synchash))
(declare (uses db))
(declare (uses server))
(declare (uses rmtmod))

(include "db_records.scm")

(import rmtmod)

(define (synchash:make)
   (make-hash-table))

;; given an alist of objects '((id obj) ...) 
;;   1. remove unchanged objects from the list
;;   2. create a list of removed objects by id

Modified tasks.scm from [a5276386f9] to [f46ae320c0].

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;;  strftime('%m/%d/%Y %H:%M:%S','now','localtime')

(declare (unit tasks))
(declare (uses debugprint))
(declare (uses dbfile))
(declare (uses db))
(declare (uses rmt))

(declare (uses common))
(declare (uses pgdb))
(declare (uses commonmod))
(declare (uses mtargs))

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

(import commonmod
	debugprint

	(prefix mtargs args:))

(import dbfile)
;; (import pgdb) ;; pgdb is a module

(include "task_records.scm")
(include "db_records.scm")







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;;  strftime('%m/%d/%Y %H:%M:%S','now','localtime')

(declare (unit tasks))
(declare (uses debugprint))
(declare (uses dbfile))
(declare (uses db))
(declare (uses rmt))
(declare (uses rmtmod))
(declare (uses common))
(declare (uses pgdb))
(declare (uses commonmod))
(declare (uses mtargs))

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

(import commonmod
	debugprint
	rmtmod
	(prefix mtargs args:))

(import dbfile)
;; (import pgdb) ;; pgdb is a module

(include "task_records.scm")
(include "db_records.scm")

Modified tcmt.scm from [b22bc233eb] to [2cd967b1fa].

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;;
;;  1. Run the megatest process and pass it all the needed parameters
;;  2. Every five seconds check for state/status changes and print the info
;;

(declare (uses mtargs))
(declare (uses rmt))

(declare (uses common))
;; (declare (uses megatest-version))
(declare (uses commonmod))

(use srfi-1 posix srfi-69 srfi-18 regex defstruct)

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

(import commonmod

	(prefix mtargs args:))

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

(define origargs (cdr (argv)))







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;;
;;  1. Run the megatest process and pass it all the needed parameters
;;  2. Every five seconds check for state/status changes and print the info
;;

(declare (uses mtargs))
(declare (uses rmt))
(declare (uses rmtmod))
(declare (uses common))
;; (declare (uses megatest-version))
(declare (uses commonmod))

(use srfi-1 posix srfi-69 srfi-18 regex defstruct)

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

(import commonmod
	rmtmod
	(prefix mtargs args:))

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

(define origargs (cdr (argv)))

Modified tdb.scm from [a4bdcfd23f] to [9e1aed8275].

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

(declare (unit tdb))
(declare (uses debugprint))
(declare (uses common))
(declare (uses keys))
(declare (uses ods))
(declare (uses client))
(declare (uses mt))
(declare (uses db))
(declare (uses commonmod))
(declare (uses mtargs))


(require-extension (srfi 18) extras tcp)
(use sqlite3 srfi-1 posix regex regex-case srfi-69 csv-xml s11n md5 message-digest base64)
(import (prefix sqlite3 sqlite3:))
(import (prefix base64 base64:))

(import commonmod
	debugprint

	(prefix mtargs args:))

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








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

(declare (unit tdb))
(declare (uses debugprint))
(declare (uses common))
(declare (uses keys))
(declare (uses ods))

(declare (uses mt))
(declare (uses db))
(declare (uses commonmod))
(declare (uses mtargs))
(declare (uses rmtmod))

(require-extension (srfi 18) extras tcp)
(use sqlite3 srfi-1 posix regex regex-case srfi-69 csv-xml s11n md5 message-digest base64)
(import (prefix sqlite3 sqlite3:))
(import (prefix base64 base64:))

(import commonmod
	debugprint
	rmtmod
	(prefix mtargs args:))

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

Modified tests.scm from [d000d0a092] to [1a4573f7da].

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

;;======================================================================
;; Tests
;;======================================================================

(declare (unit tests))
(declare (uses lock-queue))
(declare (uses db))
(declare (uses tdb))
(declare (uses debugprint))
(declare (uses common))
(declare (uses commonmod))
;; (declare (uses dcommon)) ;; needed for the steps processing
(declare (uses items))
(declare (uses runconfig))
;; (declare (uses sdb))
(declare (uses server))
;;(declare (uses stml2))
(declare (uses mtargs))

(use sqlite3 srfi-1 posix regex regex-case srfi-69 dot-locking tcp directory-utils)
(import (prefix sqlite3 sqlite3:))
(import commonmod
	(prefix mtargs args:)
	debugprint)

(require-library stml)

(include "common_records.scm")
(include "key_records.scm")
(include "db_records.scm")
(include "run_records.scm")
(include "test_records.scm")







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

;;======================================================================
;; Tests
;;======================================================================

(declare (unit tests))

(declare (uses db))
(declare (uses tdb))
(declare (uses debugprint))
(declare (uses common))
(declare (uses commonmod))

(declare (uses items))
(declare (uses runconfig))

(declare (uses server))
(declare (uses mtargs))
(declare (uses rmtmod))

(use sqlite3 srfi-1 posix regex regex-case srfi-69 dot-locking tcp directory-utils)
(import (prefix sqlite3 sqlite3:))
(import commonmod
	(prefix mtargs args:)
	debugprint
	rmtmod)
(require-library stml)

(include "common_records.scm")
(include "key_records.scm")
(include "db_records.scm")
(include "run_records.scm")
(include "test_records.scm")

Deleted 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")
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Added utils/plot-uses.scm version [74e9dea5a4].































































































































































































































































































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#!/mfs/pkgs/chicken/4.8.0.5/bin/csi -nbq

;;  Copyright 2006-2017, 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/>.
;;

;; Coming soon (right?) Usage: plot-code file1.scm,file2.scm "fun1,fun2,x*" *.scm > plot.dot
;; Usage: plot-code file1.scm,file2.scm *.scm > plot.dot
;;        dot -Tpdf plot.dot > plot.pdf
;; first param is comma separated list of files to include in the map, use - to do all
;; second param is list of regexs for functions to include in the map
;; third param is list of files to scan

(module plot-uses
	*

(import scheme chicken)

(use regex srfi-69 srfi-13)
(use matchable data-structures ports extras)

(define unituses-rx (regexp "^\\(declare \\((unit|uses) ([^\\(\\)]+)\\).*"))

(define (print-err . data)
  (with-output-to-port (current-error-port)
    (lambda ()
      (apply print data))))

(define (process-file fname)
  (with-input-from-file fname
    (lambda ()
      (let loop ((modname "DUMMYMOD"))
	(let* ((inl (read-line)))
	  (if (eof-object? inl)
	      #t
	      (match (string-search unituses-rx inl)
 	         ((_ dtype unitname)
		  (if (equal? dtype "unit")
		      (loop unitname)
		      (begin
			(if (equal? dtype "uses")
			    (if (not (member modname '("DUMMYMOD")))
				(print "  \""unitname"\" -> \""modname"\";"))
			    (print-err "ERROR: bad declare line \""inl"\""))
			(loop modname))))
		 (else
		  (loop modname)))))))))

(define (main)
  (match (command-line-arguments)
    (("todot" . files)
     (print-err "Making graph for files: " (string-intersperse files ", "))
     (print "digraph uses_unit {")
     (for-each
      (lambda (fname)
	(print "// Filename: "fname)
	(process-file fname))
      files)
     (print "}"))
    (else
     (print-err "Usage: plot-uses file1.scm ..."))))

(main)

)
;; 
;; ;; Gather the usages
;; (print "digraph G {")
;; (define curr-cluster-num 0)
;; (define function-calls '())
;; 
;; (for-each
;;  (lambda (fname)
;;    (let ((last-func #f))
;;      (print-err "Processing file " fname)
;;      (print "subgraph cluster_" curr-cluster-num " {")
;;      (set! curr-cluster-num (+ curr-cluster-num 1))
;;      (with-input-from-file fname
;;        (lambda ()
;; 	 (with-output-to-port (current-error-port)
;; 	   (lambda ()
;; 	     (print "Analyzing file " fname)))
;; 	 (print "label=\"" fname "\";")
;; 	 (let loop ((inl    (read-line))
;; 		    (fnname "toplevel")
;; 		    (allcalls '()))
;; 	   (if (eof-object? inl)
;; 	       (begin
;; 		 (set! function-calls (cons (list fnname allcalls) function-calls))
;; 		 (for-each 
;; 		  (lambda (call-name)
;; 		    (hash-table-set! breadcrumbs call-name #t))
;; 		  allcalls)
;; 		 (print-err "function: " fnname " allcalls: " allcalls))
;; 	       (let ((match (string-match defn-rx inl)))
;; 		 (if match
;; 		     (let ((func-name (cadr match)))
;; 		       (if last-func
;; 			   (print "\"" func-name "\" -> \"" last-func "\";")
;; 			   (print "\"" func-name "\";"))
;; 		       (set! last-func func-name)
;; 		       (hash-table-set! breadcrumbs func-name #t)
;; 		       (loop (read-line)
;; 			     func-name
;; 			     allcalls))
;; 		     (let ((calls (look-for-all-calls inl fnname)))
;; 		       (loop (read-line) fnname (append allcalls calls)))))))))
;;      (print "}")))
;;  targs)
;; 
;; (print-err "breadcrumbs: " (hash-table-keys breadcrumbs))
;; (print-err "function-calls: " function-calls)
;; 
;; (for-each 
;;  (lambda (function-call)
;;    (print-err "function-call: " function-call)
;;    (let ((fnname (car function-call))
;; 	 (calls  (cadr function-call)))
;;      (for-each
;;       (lambda (callname)
;; 	(print (if (hash-table-ref/default breadcrumbs callname #f) "" "// ")
;; 	       "\"" fnname "\" -> \"" callname "\";"))
;;       calls)))
;;  function-calls)
;; 
;; (print "}")
;; 
;; (exit)
;;