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;;======================================================================
;; Copyright 2006-2012, Matthew Welland.
;;
;; This program is made available under the GNU GPL version 2.0 or
;; greater. See the accompanying file COPYING for details.
;;
;; This program is distributed WITHOUT ANY WARRANTY; without even the
;; implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
;; PURPOSE.
;;======================================================================
(use srfi-1 posix regex-case base64 format dot-locking csv-xml z3 sql-de-lite hostinfo md5 message-digest typed-records directory-utils stack
matchable)
(require-extension regex posix)
(require-extension (srfi 18) extras tcp rpc)
(import (prefix sqlite3 sqlite3:))
(import (prefix base64 base64:))
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;;======================================================================
;; Copyright 2006-2012, Matthew Welland.
;;
;; This program is made available under the GNU GPL version 2.0 or
;; greater. See the accompanying file COPYING for details.
;;
;; This program is distributed WITHOUT ANY WARRANTY; without even the
;; implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
;; PURPOSE.
;;======================================================================
(use srfi-1 data-structures posix regex-case base64 format dot-locking csv-xml z3 sql-de-lite hostinfo md5 message-digest typed-records directory-utils stack
matchable)
(require-extension regex posix)
(require-extension (srfi 18) extras tcp rpc)
(import (prefix sqlite3 sqlite3:))
(import (prefix base64 base64:))
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;; (define old-exit exit)
;;
;; (define (exit . code)
;; (if (null? code)
;; (old-exit)
;; (old-exit code)))
(define getenv get-environment-variable)
(define (safe-setenv key val)
(if (and (string? val)(string? key))
(handle-exceptions
exn
(debug:print-error 0 *default-log-port* "bad value for setenv, key=" key ", value=" val)
(setenv key val))
(debug:print-error 0 *default-log-port* "bad value for setenv, key=" key ", value=" val)))
;; GLOBAL GLETCHES
;; CONTEXTS
(defstruct cxt
(taskdb #f)
(cmutex (make-mutex)))
(define *contexts* (make-hash-table))
(define *context-mutex* (make-mutex))
;; safe method for accessing a context given a toppath
;;
(define (common:with-cxt toppath proc)
(mutex-lock! *context-mutex*)
(let ((cxt (hash-table-ref/default *contexts* toppath #f)))
(if (not cxt)
(set! cxt (let ((x (make-cxt)))(hash-table-set! *contexts* toppath x) x)))
(let ((cxt-mutex (cxt-mutex cxt)))
(mutex-unlock! *context-mutex*)
(mutex-lock! cxt-mutex)
(let ((res (proc cxt)))
(mutex-unlock! cxt-mutex)
res))))
(define *db-keys* #f)
(define *configinfo* #f) ;; raw results from setup, includes toppath and table from megatest.config
(define *runconfigdat* #f) ;; run configs data
(define *configdat* #f) ;; megatest.config data
(define *configstatus* #f) ;; status of data; 'fulldata : all processing done, #f : no data yet, 'partialdata : partial read done
(define *toppath* #f)
(define *already-seen-runconfig-info* #f)
(define *test-meta-updated* (make-hash-table))
(define *globalexitstatus* 0) ;; attempt to work around possible thread issues
(define *passnum* 0) ;; when running track calls to run-tests or similar
(define *alt-log-file* #f) ;; used by -log
(define *common:denoise* (make-hash-table)) ;; for low noise printing
(define *default-log-port* (current-error-port))
(define *time-zero* (current-seconds)) ;; for the watchdog
;; DATABASE
(define *dbstruct-db* #f) ;; used to cache the dbstruct in db:setup. Goal is to remove this.
;; db stats
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;; (define old-exit exit)
;;
;; (define (exit . code)
;; (if (null? code)
;; (old-exit)
;; (old-exit code)))
;; execute thunk, return value. If exception thrown, trap exception, return #f, and emit nonfatal condition note to *default-log-port* .
;; arguments - thunk, message
(define (common:fail-safe thunk warning-message-on-exception)
(handle-exceptions
exn
(begin
(debug:print-info 0 *default-log-port* "notable but nonfatal condition - "warning-message-on-exception)
(debug:print-info 0 *default-log-port*
(string-substitute "\n?Error:" "nonfatal condition:"
(with-output-to-string
(lambda ()
(print-error-message exn) ))))
(debug:print-info 0 *default-log-port* " -- continuing after nonfatal condition...")
#f)
(thunk)))
(define getenv get-environment-variable)
(define (safe-setenv key val)
(if (substring-index ":" key) ;; variables containing : are for internal use and cannot be environment variables.
(debug:print-error 4 *default-log-port* "skip setting internal use only variables containing \":\"")
(if (and (string? val)
(string? key))
(handle-exceptions
exn
(debug:print-error 0 *default-log-port* "bad value for setenv, key=" key ", value=" val)
(setenv key val))
(debug:print-error 0 *default-log-port* "bad value for setenv, key=" key ", value=" val))))
(define home (getenv "HOME"))
(define user (getenv "USER"))
;; returns list of fd count, socket count
(define (get-file-descriptor-count #!key (pid (current-process-id )))
(list
(length (glob (conc "/proc/" pid "/fd/*")))
(length (filter identity (map socket? (glob (conc "/proc/" pid "/fd/*")))))
)
)
;; GLOBALS
;; CONTEXTS
(defstruct cxt
(taskdb #f)
(cmutex (make-mutex)))
;; (define *contexts* (make-hash-table))
;; (define *context-mutex* (make-mutex))
;; ;; safe method for accessing a context given a toppath
;; ;;
;; (define (common:with-cxt toppath proc)
;; (mutex-lock! *context-mutex*)
;; (let ((cxt (hash-table-ref/default *contexts* toppath #f)))
;; (if (not cxt)
;; (set! cxt (let ((x (make-cxt)))(hash-table-set! *contexts* toppath x) x)))
;; (let ((cxt-mutex (cxt-mutex cxt)))
;; (mutex-unlock! *context-mutex*)
;; (mutex-lock! cxt-mutex)
;; (let ((res (proc cxt)))
;; (mutex-unlock! cxt-mutex)
;; res))))
;; A hash table that can be accessed by #{scheme ...} calls in
;; config files. Allows communicating between confgs
;;
(define *user-hash-data* (make-hash-table))
(define *db-keys* #f)
(define *configinfo* #f) ;; raw results from setup, includes toppath and table from megatest.config
(define *runconfigdat* #f) ;; run configs data
(define *configdat* #f) ;; megatest.config data
(define *configstatus* #f) ;; status of data; 'fulldata : all processing done, #f : no data yet, 'partialdata : partial read done
(define *toppath* #f)
(define *already-seen-runconfig-info* #f)
(define *test-meta-updated* (make-hash-table))
(define *globalexitstatus* 0) ;; attempt to work around possible thread issues
(define *passnum* 0) ;; when running track calls to run-tests or similar
;; (define *alt-log-file* #f) ;; used by -log
(define *common:denoise* (make-hash-table)) ;; for low noise printing
(define *default-log-port* (current-error-port))
(define *time-zero* (current-seconds)) ;; for the watchdog
;; DATABASE
(define *dbstruct-db* #f) ;; used to cache the dbstruct in db:setup. Goal is to remove this.
;; db stats
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(define *task-db* #f) ;; (vector db path-to-db)
(define *db-access-allowed* #t) ;; flag to allow access
(define *db-access-mutex* (make-mutex))
(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)
(define *time-to-exit* #f)
(define *server-run* #t)
(define *run-id* #f)
(define *server-kind-run* (make-hash-table))
(define *home-host* #f)
(define *total-non-write-delay* 0)
(define *heartbeat-mutex* (make-mutex))
(define *api-process-request-count* 0)
(define *max-api-process-requests* 0)
;; client
(define *rmt-mutex* (make-mutex)) ;; remote access calls mutex
;; RPC transport
(define *rpc:listener* #f)
;; KEY info
(define *target* (make-hash-table)) ;; cache the target here; target is keyval1/keyval2/.../keyvalN
(define *keys* (make-hash-table)) ;; cache the keys here
(define *keyvals* (make-hash-table))
(define *toptest-paths* (make-hash-table)) ;; cache toptest path settings here
(define *test-paths* (make-hash-table)) ;; cache test-id to test run paths here
(define *test-ids* (make-hash-table)) ;; cache run-id, testname, and item-path => test-id
(define *test-info* (make-hash-table)) ;; cache the test info records, update the state, status, run_duration etc. from testdat.db
(define *run-info-cache* (make-hash-table)) ;; run info is stable, no need to reget
(define *launch-setup-mutex* (make-mutex)) ;; need to be able to call launch:setup often so mutex it and re-call the real deal only if *toppath* not set
(define *homehost-mutex* (make-mutex))
(defstruct remote
(hh-dat (common:get-homehost)) ;; homehost record ( addr . hhflag )
(server-url (if *toppath* (server:check-if-running *toppath*))) ;; (server:check-if-running *toppath*) #f))
(last-server-check 0) ;; last time we checked to see if the server was alive
(conndat #f)
(transport *transport-type*)
(server-timeout (or (server:get-timeout) 100))) ;; default to 100 seconds
;; launching and hosts
(defstruct host
(reachable #f)
(last-update 0)
(last-used 0)
(last-cpuload 1))
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(define *task-db* #f) ;; (vector db path-to-db)
(define *db-access-allowed* #t) ;; flag to allow access
(define *db-access-mutex* (make-mutex))
(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)
;; no sync db
(define *no-sync-db* #f)
;; 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)
(define *server-run* #t)
(define *run-id* #f)
(define *server-kind-run* (make-hash-table))
(define *home-host* #f)
;; (define *total-non-write-delay* 0)
(define *heartbeat-mutex* (make-mutex))
(define *api-process-request-count* 0)
(define *max-api-process-requests* 0)
(define *server-overloaded* #f)
;; client
(define *rmt-mutex* (make-mutex)) ;; remote access calls mutex
;; RPC transport
(define *rpc:listener* #f)
;; KEY info
(define *target* (make-hash-table)) ;; cache the target here; target is keyval1/keyval2/.../keyvalN
(define *keys* (make-hash-table)) ;; cache the keys here
(define *keyvals* (make-hash-table))
(define *toptest-paths* (make-hash-table)) ;; cache toptest path settings here
(define *test-paths* (make-hash-table)) ;; cache test-id to test run paths here
(define *test-ids* (make-hash-table)) ;; cache run-id, testname, and item-path => test-id
(define *test-info* (make-hash-table)) ;; cache the test info records, update the state, status, run_duration etc. from testdat.db
(define *run-info-cache* (make-hash-table)) ;; run info is stable, no need to reget
(define *launch-setup-mutex* (make-mutex)) ;; need to be able to call launch:setup often so mutex it and re-call the real deal only if *toppath* not set
(define *homehost-mutex* (make-mutex))
;; Miscellaneous
(define *triggers-mutex* (make-mutex)) ;; block overlapping processing of triggers
(defstruct remote
(hh-dat (common:get-homehost)) ;; homehost record ( addr . hhflag )
(server-url (if *toppath* (server:check-if-running *toppath*))) ;; (server:check-if-running *toppath*) #f))
(last-server-check 0) ;; last time we checked to see if the server was alive
(conndat #f)
(transport *transport-type*)
(server-timeout (server:expiration-timeout))
(force-server #f)
(ro-mode #f)
(ro-mode-checked #f)) ;; flag that indicates we have checked for ro-mode
;; launching and hosts
(defstruct host
(reachable #f)
(last-update 0)
(last-used 0)
(last-cpuload 1))
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(define (common:get-last-run-version-number)
(string->number
(substring (common:get-last-run-version) 0 6)))
(define (common:set-last-run-version)
(rmt:set-var "MEGATEST_VERSION" (common:version-signature)))
(define (common:version-changed?)
(not (equal? (common:get-last-run-version)
(common:version-signature))))
(define (common:cleanup-db dbstruct)
(db:multi-db-sync
dbstruct
;; 'new2old
'killservers
'dejunk
;; 'adj-testids
'schema)
(if (common:version-changed?)
(common:set-last-run-version)))
;; Rotate logs, logic:
;; if > 500k and older than 1 week:
;; remove previous compressed log and compress this log
;; WARNING: This proc operates assuming that it is in the directory above the
;; logs directory you wish to log-rotate.
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(define (common:get-last-run-version-number)
(string->number
(substring (common:get-last-run-version) 0 6)))
(define (common:set-last-run-version)
(rmt:set-var "MEGATEST_VERSION" (common:version-signature)))
;; postive number if megatest version > db version
;; negative number if megatest version < db version
(define (common:version-db-delta)
(- megatest-version (common:get-last-run-version-number)))
(define (common:version-changed?)
(not (equal? (common:get-last-run-version)
(common:version-signature))))
(define (common:api-changed?)
(not (equal? (substring (->string megatest-version) 0 4)
(substring (conc (common:get-last-run-version)) 0 4))))
;; Move me elsewhere ...
;; RADT => Why do we meed the version check here, this is called only if version misma
;;
(define (common:cleanup-db dbstruct #!key (full #f))
(apply db:multi-db-sync
dbstruct
'schema
;; 'new2old
'killservers
'adj-target
;; 'old2new
'new2old
;; (if full
'(dejunk)
;; '())
)
(if (common:api-changed?)
(common:set-last-run-version)))
;; Rotate logs, logic:
;; if > 500k and older than 1 week:
;; remove previous compressed log and compress this log
;; WARNING: This proc operates assuming that it is in the directory above the
;; logs directory you wish to log-rotate.
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(file-age (- (current-seconds)(file-modification-time fullname))))
(if (or (and (string-match "^.*.log" file)
(> (file-size fullname) 200000))
(and (string-match "^server-.*.log" file)
(> (- (current-seconds) (file-modification-time fullname))
(* 8 60 60))))
(let ((gzfile (conc fullname ".gz")))
(if (file-exists? gzfile)
(begin
(debug:print-info 0 *default-log-port* "removing " gzfile)
(delete-file gzfile)))
(debug:print-info 0 *default-log-port* "compressing " file)
(system (conc "gzip " fullname)))
(if (> file-age (* (string->number (or (configf:lookup *configdat* "setup" "log-expire-days") "30")) 24 3600))
(handle-exceptions
exn
#f
(delete-file fullname)))))))
'()
"logs"))
;; Force a megatest cleanup-db if version is changed and skip-version-check not specified
;;
(define (common:exit-on-version-changed)
(if (common:version-changed?)
(if (common:on-homehost?)
(let ((mtconf (conc (get-environment-variable "MT_RUN_AREA_HOME") "/megatest.config"))
(dbstruct (db:setup)))
(if (and (file-exists? mtconf)
(eq? (current-user-id)(file-owner mtconf))) ;; safe to run -cleanup-db
(begin
(debug:print 0 *default-log-port* " I see you are the owner of megatest.config, attempting to cleanup and reset to new version")
(handle-exceptions
exn
(begin
(debug:print 0 *default-log-port* "Failed to switch versions.")
(debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
(print-call-chain (current-error-port))
(exit 1))
(common:cleanup-db dbstruct)))
(begin
(debug:print 0 *default-log-port* " to switch versions you can run: \"megatest -cleanup-db\"")
(exit 1))))
(begin
(debug:print 0 *default-log-port* "ERROR: cannot migrate version unless on homehost. Exiting.")
(exit 1)))))
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(file-age (- (current-seconds)(file-modification-time fullname))))
(if (or (and (string-match "^.*.log" file)
(> (file-size fullname) 200000))
(and (string-match "^server-.*.log" file)
(> (- (current-seconds) (file-modification-time fullname))
(* 8 60 60))))
(let ((gzfile (conc fullname ".gz")))
(if (common:file-exists? gzfile)
(begin
(debug:print-info 0 *default-log-port* "removing " gzfile)
(delete-file gzfile)))
(debug:print-info 0 *default-log-port* "compressing " file)
(system (conc "gzip " fullname)))
(if (> file-age (* (string->number (or (configf:lookup *configdat* "setup" "log-expire-days") "30")) 24 3600))
(handle-exceptions
exn
#f
(delete-file fullname)))))))
'()
"logs"))
;; Force a megatest cleanup-db if version is changed and skip-version-check not specified
;; Do NOT check if not on homehost!
;;
(define (common:exit-on-version-changed)
(if (common:on-homehost?)
(if (common:api-changed?)
(let* ((mtconf (conc (get-environment-variable "MT_RUN_AREA_HOME") "/megatest.config"))
(dbfile (conc (get-environment-variable "MT_RUN_AREA_HOME") "/megatest.db"))
(read-only (not (file-write-access? dbfile)))
(dbstruct (db:setup #t)))
(debug:print 0 *default-log-port*
"WARNING: Version mismatch!\n"
" expected: " (common:version-signature) "\n"
" got: " (common:get-last-run-version))
(cond
((get-environment-variable "MT_SKIP_DB_MIGRATE") #t)
((and (common:file-exists? mtconf) (common:file-exists? dbfile) (not read-only)
(eq? (current-user-id)(file-owner mtconf))) ;; safe to run -cleanup-db
(debug:print 0 *default-log-port* " I see you are the owner of megatest.config, attempting to cleanup and reset to new version")
(handle-exceptions
exn
(begin
(debug:print 0 *default-log-port* "Failed to switch versions.")
(debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
(print-call-chain (current-error-port))
(exit 1))
(common:cleanup-db dbstruct)))
((not (common:file-exists? mtconf))
(debug:print 0 *default-log-port* " megatest.config does not exist in this area. Cannot proceed with megatest version migration.")
(exit 1))
((not (common:file-exists? dbfile))
(debug:print 0 *default-log-port* " megatest.db does not exist in this area. Cannot proceed with megatest version migration.")
(exit 1))
((not (eq? (current-user-id)(file-owner mtconf)))
(debug:print 0 *default-log-port* " You do not own megatest.db in this area. Cannot proceed with megatest version migration.")
(exit 1))
(read-only
(debug:print 0 *default-log-port* " You have read-only access to this area. Cannot proceed with megatest version migration.")
(exit 1))
(else
(debug:print 0 *default-log-port* " to switch versions you can run: \"megatest -cleanup-db\"")
(exit 1)))))))
;; (begin
;; (debug:print 0 *default-log-port* "ERROR: cannot migrate version unless on homehost. Exiting.")
;; (exit 1))))
;;======================================================================
;; S P A R S E A R R A Y S
;;======================================================================
(define (make-sparse-array)
(let ((a (make-sparse-vector)))
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(read (open-input-string (z3:decode-buffer (base64:base64-decode instr))))))
;; dot-locking egg seems not to work, using this for now
;; if lock is older than expire-time then remove it and try again
;; to get the lock
;;
(define (common:simple-file-lock fname #!key (expire-time 300))
(if (file-exists? fname)
(if (> (- (current-seconds)(file-modification-time fname)) expire-time)
(begin
(delete-file* fname)
(common:simple-file-lock fname expire-time: expire-time))
#f)
(let ((key-string (conc (get-host-name) "-" (current-process-id))))
(with-output-to-file fname
(lambda ()
(print key-string)))
(thread-sleep! 0.25)
(if (file-exists? fname)
(with-input-from-file fname
(lambda ()
(equal? key-string (read-line))))
#f))))
(define (common:simple-file-release-lock fname)
(delete-file* fname))
;;======================================================================
;; S T A T E S A N D S T A T U S E S
;;======================================================================
(define *common:std-states*
'((0 "ARCHIVED")
(1 "STUCK")
(2 "KILLREQ")
(3 "KILLED")
(4 "NOT_STARTED")
(5 "COMPLETED")
(6 "LAUNCHED")
(7 "REMOTEHOSTSTART")
(8 "RUNNING")
))
(define *common:std-statuses*
'(;; (0 "DELETED")
(1 "n/a")
(2 "PASS")
(3 "CHECK")
(4 "SKIP")
(5 "WARN")
(6 "WAIVED")
(8 "FAIL")
(9 "ABORT")))
(define *common:ended-states* ;; states which indicate the test is stopped and will not proceed
'("COMPLETED" "ARCHIVED" "KILLED" "KILLREQ" "STUCK" "INCOMPLETE"))
(define *common:badly-ended-states* ;; these roll up as CHECK, i.e. results need to be checked
'("KILLED" "KILLREQ" "STUCK" "INCOMPLETE" "DEAD"))
(define *common:running-states* ;; test is either running or can be run
'("RUNNING" "REMOTEHOSTSTART" "LAUNCHED"))
(define *common:cant-run-states* ;; These are stopping conditions that prevent a test from being run
'("COMPLETED" "KILLED" "UNKNOWN" "INCOMPLETE" "ARCHIVED"))
(define *common:not-started-ok-statuses* ;; if not one of these statuses when in not_started state treat as dead
'("n/a" "na" "PASS" "FAIL" "WARN" "CHECK" "WAIVED" "DEAD" "SKIP"))
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(read (open-input-string (z3:decode-buffer (base64:base64-decode instr))))))
;; dot-locking egg seems not to work, using this for now
;; if lock is older than expire-time then remove it and try again
;; to get the lock
;;
(define (common:simple-file-lock fname #!key (expire-time 300))
(handle-exceptions
exn
#f ;; don't really care what went wrong right now. NOTE: I have not seen this one actually fail.
(if (common:file-exists? fname)
(if (> (- (current-seconds)(file-modification-time fname)) expire-time)
(begin
(delete-file* fname)
(common:simple-file-lock fname expire-time: expire-time))
#f)
(let ((key-string (conc (get-host-name) "-" (current-process-id))))
(with-output-to-file fname
(lambda ()
(print key-string)))
(thread-sleep! 0.25)
(if (common:file-exists? fname)
(with-input-from-file fname
(lambda ()
(equal? key-string (read-line))))
#f)))))
(define (common:simple-file-lock-and-wait fname #!key (expire-time 300))
(let ((end-time (+ expire-time (current-seconds))))
(let loop ((got-lock (common:simple-file-lock fname expire-time: expire-time)))
(if got-lock
#t
(if (> end-time (current-seconds))
(begin
(thread-sleep! 3)
(loop (common:simple-file-lock fname expire-time: expire-time)))
#f)))))
(define (common:simple-file-release-lock fname)
(handle-exceptions
exn
#f ;; I don't really care why this failed (at least for now)
(delete-file* fname)))
;;======================================================================
;; S T A T E S A N D S T A T U S E S
;;======================================================================
;; BBnote: *common:std-states* - dashboard filter control and test control state buttons defined here; used in set-fields-panel and dboard:make-controls
(define *common:std-states* ;; for toggle buttons in dashboard
'((0 "ARCHIVED")
(1 "STUCK")
(2 "KILLREQ")
(3 "KILLED")
(4 "NOT_STARTED")
(5 "COMPLETED")
(6 "LAUNCHED")
(7 "REMOTEHOSTSTART")
(8 "RUNNING")
))
;; BBnote: *common:std-statuses* dashboard filter control and test control status buttons defined here; used in set-fields-panel and dboard:make-controls
(define *common:std-statuses*
'(;; (0 "DELETED")
(1 "n/a")
(2 "PASS")
(3 "SKIP")
(4 "WARN")
(5 "WAIVED")
(6 "CHECK")
(7 "STUCK/DEAD")
(8 "DEAD")
(9 "FAIL")
(10 "PREQ_FAIL")
(11 "PREQ_DISCARDED")
(12 "ABORT")))
(define *common:ended-states* ;; states which indicate the test is stopped and will not proceed
'("COMPLETED" "ARCHIVED" "KILLED" "KILLREQ" "STUCK" "INCOMPLETE" ))
(define *common:badly-ended-states* ;; these roll up as CHECK, i.e. results need to be checked
'("KILLED" "KILLREQ" "STUCK" "INCOMPLETE" "DEAD"))
(define *common:well-ended-states* ;; an item's prereq in this state allows item to proceed
'("PASS" "WARN" "CHECK" "WAIVED" "SKIP"))
;; BBnote: *common:running-states* used from db:set-state-status-and-roll-up-items
(define *common:running-states* ;; test is either running or can be run
'("RUNNING" "REMOTEHOSTSTART" "LAUNCHED" "STARTED"))
(define *common:cant-run-states* ;; These are stopping conditions that prevent a test from being run
'("COMPLETED" "KILLED" "UNKNOWN" "INCOMPLETE" "ARCHIVED"))
(define *common:not-started-ok-statuses* ;; if not one of these statuses when in not_started state treat as dead
'("n/a" "na" "PASS" "FAIL" "WARN" "CHECK" "WAIVED" "DEAD" "SKIP"))
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(if val val default)))
(define (assoc/default key lst . default)
(let ((res (assoc key lst)))
(if res (cadr res)(if (null? default) #f (car default)))))
(define (common:get-testsuite-name)
(or (configf:lookup *configdat* "setup" "testsuite" )
(if *toppath*
(pathname-file *toppath*)
(pathname-file (current-directory)))))
(define (common:get-db-tmp-area)
(if *db-cache-path*
*db-cache-path*
(let ((dbpath (create-directory (conc "/tmp/" (current-user-name)
"/megatest_localdb/"
(common:get-testsuite-name) "/"
(string-translate *toppath* "/" ".")) #t)))
(set! *db-cache-path* dbpath)
dbpath)))
;;;; run-ids
;; if #f use *db-local-sync* : or 'local-sync-flags
;; if #t use timestamps : or 'timestamps
(define (common:sync-to-megatest.db dbstruct)
(let ((start-time (current-seconds))
(res (db:multi-db-sync dbstruct 'new2old)))
(let ((sync-time (- (current-seconds) start-time)))
(debug:print-info 3 *default-log-port* "Sync of newdb to olddb completed in " sync-time " seconds pid="(current-process-id))
(if (common:low-noise-print 30 "sync new to old")
(debug:print-info 0 *default-log-port* "Sync of newdb to olddb completed in " sync-time " seconds pid="(current-process-id))))
res))
(define (common:watchdog)
(thread-sleep! 0.05) ;; delay for startup
(let ((legacy-sync (common:run-sync?))
(debug-mode (debug:debug-mode 1))
(last-time (current-seconds))
(this-wd-num (begin (mutex-lock! *wdnum*mutex) (let ((x *wdnum*)) (set! *wdnum* (add1 *wdnum*)) (mutex-unlock! *wdnum*mutex) x))))
(debug:print-info 3 *default-log-port* "watchdog starting. legacy-sync is " legacy-sync" pid="(current-process-id)" this-wd-num="this-wd-num)
(if (and legacy-sync (not *time-to-exit*))
(let* ((dbstruct (db:setup))
(mtdb (dbr:dbstruct-mtdb dbstruct))
(mtpath (db:dbdat-get-path mtdb)))
(debug:print-info 0 *default-log-port* "Server running, periodic sync started.")
(let loop ()
;; sync for filesystem local db writes
;;
(mutex-lock! *db-multi-sync-mutex*)
(let* ((need-sync (>= *db-last-access* *db-last-sync*)) ;; no sync since last write
(sync-in-progress *db-sync-in-progress*)
(should-sync (and (not *time-to-exit*)
(> (- (current-seconds) *db-last-sync*) 5))) ;; sync every five seconds minimum
(start-time (current-seconds))
(mt-mod-time (file-modification-time mtpath))
(recently-synced (> (- start-time mt-mod-time) 4))
(will-sync (and (or need-sync should-sync)
(not sync-in-progress)
(not recently-synced))))
;; (if recently-synced (debug:print-info 0 *default-log-port* "Skipping sync due to recently-synced flag=" recently-synced))
;; (debug:print-info 0 *default-log-port* "need-sync: " need-sync " sync-in-progress: " sync-in-progress " should-sync: " should-sync " will-sync: " will-sync)
(if will-sync (set! *db-sync-in-progress* #t))
(mutex-unlock! *db-multi-sync-mutex*)
(if will-sync
(let ((res (common:sync-to-megatest.db dbstruct))) ;; did we sync any data? If so need to set the db touched flag to keep the server alive
(if (> res 0) ;; some records were transferred, keep the db alive
(begin
(mutex-lock! *heartbeat-mutex*)
(set! *db-last-access* (current-seconds))
(mutex-unlock! *heartbeat-mutex*)
(debug:print-info 0 *default-log-port* "sync called, " res " records transferred."))
(debug:print-info 2 *default-log-port* "sync called but zero records transferred"))))
(if will-sync
(begin
(mutex-lock! *db-multi-sync-mutex*)
(set! *db-sync-in-progress* #f)
(set! *db-last-sync* start-time)
(mutex-unlock! *db-multi-sync-mutex*)))
(if (and debug-mode
(> (- start-time last-time) 60))
(begin
(set! last-time start-time)
(debug:print-info 4 *default-log-port* "timestamp -> " (seconds->time-string (current-seconds)) ", time since start -> " (seconds->hr-min-sec (- (current-seconds) *time-zero*))))))
;; keep going unless time to exit
;;
(if (not *time-to-exit*)
(let delay-loop ((count 0))
;;(BB> "delay-loop top; count="count" pid="(current-process-id)" this-wd-num="this-wd-num" *time-to-exit*="*time-to-exit*)
(if (and (not *time-to-exit*)
(< count 4)) ;; was 11, changing to 4.
(begin
(thread-sleep! 1)
(delay-loop (+ count 1))))
(if (not *time-to-exit*) (loop))))
(if (common:low-noise-print 30)
(debug:print-info 0 *default-log-port* "Exiting watchdog timer, *time-to-exit* = " *time-to-exit*" pid="(current-process-id)" this-wd-num="this-wd-num)))))))
;;(BB> "std-exit-procedure called; *time-to-exit*="*time-to-exit*)
(let ((no-hurry (if *time-to-exit* ;; hurry up
#f
(begin
(set! *time-to-exit* #t)
#t))))
(debug:print-info 4 *default-log-port* "starting exit process, finalizing databases.")
(if (and no-hurry (debug:debug-mode 18))
(rmt:print-db-stats))
(let ((th1 (make-thread (lambda () ;; thread for cleaning up, give it five seconds
(if *dbstruct-db* (db:close-all *dbstruct-db*)) ;; one second allocated
(if *task-db*
(let ((db (cdr *task-db*)))
(if (sqlite3:database? db)
(begin
(sqlite3:interrupt! db)
(sqlite3:finalize! db #t)
;; (vector-set! *task-db* 0 #f)
(set! *task-db* #f)))))
(if (and *runremote*
(remote-conndat *runremote*))
(begin
(http-client#close-all-connections!))) ;; for http-client
(if (not (eq? *default-log-port* (current-error-port)))
(close-output-port *default-log-port*))
(set! *default-log-port* (current-error-port))) "Cleanup db exit thread"))
(th2 (make-thread (lambda ()
(debug:print 4 *default-log-port* "Attempting clean exit. Please be patient and wait a few seconds...")
(if no-hurry
(begin
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(if val val default)))
(define (assoc/default key lst . default)
(let ((res (assoc key lst)))
(if res (cadr res)(if (null? default) #f (car default)))))
(define (common:get-testsuite-name)
(or (configf:lookup *configdat* "setup" "area-name") ;; megatest is a flexible tool, testsuite is too limiting a description.
(configf:lookup *configdat* "setup" "testsuite" )
(getenv "MT_TESTSUITE_NAME")
(if (string? *toppath* )
(pathname-file *toppath*)
#f))) ;; (pathname-file (current-directory)))))
(define common:get-area-name common:get-testsuite-name)
(define (common:get-db-tmp-area . junk)
(if *db-cache-path*
*db-cache-path*
(if *toppath* ;; common:get-create-writeable-dir
(handle-exceptions
exn
(begin
(debug:print-error 0 *default-log-port* "Couldn't create path to " dbdir)
(exit 1))
(let ((dbpath (common:get-create-writeable-dir
(list (conc "/tmp/" (current-user-name)
"/megatest_localdb/"
(common:get-testsuite-name) "/"
(string-translate *toppath* "/" ".")))))) ;; #t))))
(set! *db-cache-path* dbpath)
dbpath))
#f)))
(define (common:get-area-path-signature)
(message-digest-string (md5-primitive) *toppath*))
(define (common:get-signature str)
(message-digest-string (md5-primitive) str))
;;======================================================================
;; E X I T H A N D L I N G
;;======================================================================
(define (common:run-sync?)
(and (common:on-homehost?)
(args:get-arg "-server")))
;; (let ((ohh (common:on-homehost?))
;; (srv (args:get-arg "-server")))
;; (and ohh srv)))
;; (debug:print-info 0 *default-log-port* "common:run-sync? ohh=" ohh ", srv=" srv)
(define *wdnum* 0)
(define *wdnum*mutex (make-mutex))
;; currently the primary job of the watchdog is to run the sync back to megatest.db from the db in /tmp
;; if we are on the homehost and we are a server (by definition we are on the homehost if we are a server)
;;
(define (common:readonly-watchdog dbstruct)
(thread-sleep! 0.05) ;; delay for startup
(debug:print-info 13 *default-log-port* "common:readonly-watchdog entered.")
;; sync megatest.db to /tmp/.../megatst.db
(let* ((sync-cool-off-duration 3)
(golden-mtdb (dbr:dbstruct-mtdb dbstruct))
(golden-mtpath (db:dbdat-get-path golden-mtdb))
(tmp-mtdb (dbr:dbstruct-tmpdb dbstruct))
(tmp-mtpath (db:dbdat-get-path tmp-mtdb)))
(debug:print-info 0 *default-log-port* "Read-only periodic sync thread started.")
(let loop ((last-sync-time 0))
(debug:print-info 13 *default-log-port* "loop top tmp-mtpath="tmp-mtpath" golden-mtpath="golden-mtpath)
(let* ((duration-since-last-sync (- (current-seconds) last-sync-time)))
(debug:print-info 13 *default-log-port* "duration-since-last-sync="duration-since-last-sync)
(if (and (not *time-to-exit*)
(< duration-since-last-sync sync-cool-off-duration))
(thread-sleep! (- sync-cool-off-duration duration-since-last-sync)))
(if (not *time-to-exit*)
(let ((golden-mtdb-mtime (file-modification-time golden-mtpath))
(tmp-mtdb-mtime (file-modification-time tmp-mtpath)))
(if (> golden-mtdb-mtime tmp-mtdb-mtime)
(if (< golden-mtdb-mtime (- (current-seconds) 3)) ;; file has NOT been touched in past three seconds, this way multiple servers won't fight to sync back
(let ((res (db:multi-db-sync dbstruct 'old2new)))
(debug:print-info 13 *default-log-port* "rosync called, " res " records transferred."))))
(loop (current-seconds)))
#t)))
(debug:print-info 0 *default-log-port* "Exiting readonly-watchdog timer, *time-to-exit* = " *time-to-exit*" pid="(current-process-id)" mtpath="golden-mtpath)))
;; TODO: for multiple areas, we will have multiple watchdogs; and multiple threads to manage
(define (common:watchdog)
(debug:print-info 13 *default-log-port* "common:watchdog entered.")
(if (launch:setup)
(if (common:on-homehost?)
(let ((dbstruct (db:setup #t)))
(debug:print-info 13 *default-log-port* "after db:setup with dbstruct=" dbstruct)
(cond
((dbr:dbstruct-read-only dbstruct)
(debug:print-info 13 *default-log-port* "loading read-only watchdog")
(common:readonly-watchdog dbstruct))
(else
(debug:print-info 13 *default-log-port* "loading writable-watchdog.")
(server:writable-watchdog dbstruct)))
(debug:print-info 13 *default-log-port* "watchdog done."))
(debug:print-info 13 *default-log-port* "no need for watchdog on non-homehost"))))
(define (std-exit-procedure)
(on-exit (lambda () 0))
;;(debug:print-info 13 *default-log-port* "std-exit-procedure called; *time-to-exit*="*time-to-exit*)
(let ((no-hurry (if *time-to-exit* ;; hurry up
#f
(begin
(set! *time-to-exit* #t)
#t))))
(debug:print-info 4 *default-log-port* "starting exit process, finalizing databases.")
(if (and no-hurry (debug:debug-mode 18))
(rmt:print-db-stats))
(let ((th1 (make-thread (lambda () ;; thread for cleaning up, give it five seconds
(if *dbstruct-db* (db:close-all *dbstruct-db*)) ;; one second allocated
(if *task-db*
(let ((db (cdr *task-db*)))
(if (sqlite3:database? db)
(begin
(sqlite3:interrupt! db)
(sqlite3:finalize! db #t)
;; (vector-set! *task-db* 0 #f)
(set! *task-db* #f)))))
(http-client#close-all-connections!)
;; (if (and *runremote*
;; (remote-conndat *runremote*))
;; (begin
;; (http-client#close-all-connections!))) ;; for http-client
(if (not (eq? *default-log-port* (current-error-port)))
(close-output-port *default-log-port*))
(set! *default-log-port* (current-error-port))) "Cleanup db exit thread"))
(th2 (make-thread (lambda ()
(debug:print 4 *default-log-port* "Attempting clean exit. Please be patient and wait a few seconds...")
(if no-hurry
(begin
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)
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(define (std-signal-handler signum)
;; (signal-mask! signum)
(set! *time-to-exit* #t)
;;(BB> "got signal "signum)
(debug:print-error 0 *default-log-port* "Received signal " signum " exiting promptly")
;; (std-exit-procedure) ;; shouldn't need this since we are exiting and it will be called anyway
(exit))
(set-signal-handler! signal/int std-signal-handler) ;; ^C
(set-signal-handler! signal/term std-signal-handler)
;; (set-signal-handler! signal/stop std-signal-handler) ;; ^Z NO, do NOT handle ^Z!
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(define (std-signal-handler signum)
;; (signal-mask! signum)
(set! *time-to-exit* #t)
;;(debug:print-info 13 *default-log-port* "got signal "signum)
(debug:print-error 0 *default-log-port* "Received signal " signum " exiting promptly")
;; (std-exit-procedure) ;; shouldn't need this since we are exiting and it will be called anyway
(exit))
(set-signal-handler! signal/int std-signal-handler) ;; ^C
(set-signal-handler! signal/term std-signal-handler)
;; (set-signal-handler! signal/stop std-signal-handler) ;; ^Z NO, do NOT handle ^Z!
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(define (common:which cmds)
(if (null? cmds)
#f
(let loop ((hed (car cmds))
(tal (cdr cmds)))
(let ((res (with-input-from-pipe (conc "which " hed) read-line)))
(if (and (string? res)
(file-exists? res))
res
(if (null? tal)
#f
(loop (car tal)(cdr tal))))))))
(define (common:get-install-area)
(let ((exe-path (car (argv))))
(if (file-exists? exe-path)
(handle-exceptions
exn
#f
(pathname-directory
(pathname-directory
(pathname-directory exe-path))))
#f)))
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(define (common:which cmds)
(if (null? cmds)
#f
(let loop ((hed (car cmds))
(tal (cdr cmds)))
(let ((res (with-input-from-pipe (conc "which " hed) read-line)))
(if (and (string? res)
(common:file-exists? res))
res
(if (null? tal)
#f
(loop (car tal)(cdr tal))))))))
(define (common:get-install-area)
(let ((exe-path (car (argv))))
(if (common:file-exists? exe-path)
(handle-exceptions
exn
#f
(pathname-directory
(pathname-directory
(pathname-directory exe-path))))
#f)))
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(file-modification-time fname))))
(if (> curmod last-mod)
(list curmod fname)
res)))
'(0 "n/a")
all-files)))
;;======================================================================
;; T A R G E T S , S T A T E , S T A T U S ,
;; R U N N A M E A N D T E S T P A T T
;;======================================================================
;; (map print (map car (hash-table->alist (read-config "runconfigs.config" #f #t))))
;;
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(file-modification-time fname))))
(if (> curmod last-mod)
(list curmod fname)
res)))
'(0 "n/a")
all-files)))
;; use bash to expand a glob. Does NOT handle paths with spaces!
;;
(define (common:bash-glob instr)
(string-split
(with-input-from-pipe
(conc "/bin/bash -c \"echo " instr "\"")
read-line)))
;;======================================================================
;; T A R G E T S , S T A T E , S T A T U S ,
;; R U N N A M E A N D T E S T P A T T
;;======================================================================
;; (map print (map car (hash-table->alist (read-config "runconfigs.config" #f #t))))
;;
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(define (common:args-get-testpatt rconf)
(let* (;; (tagexpr (args:get-arg "-tagexpr"))
;; (tags-testpatt (if tagexpr (string-join (runs:get-tests-matching-tags tagexpr) ",") #f))
(testpatt-key (if (args:get-arg "--modepatt") (args:get-arg "--modepatt") "TESTPATT"))
(args-testpatt (or (args:get-arg "-testpatt") (args:get-arg "-runtests") "%"))
(rtestpatt (if rconf (runconfigs-get rconf testpatt-key) #f)))
(cond
;; (tags-testpatt
;; (debug:print-info 0 *default-log-port* "-tagexpr "tagexpr" selects testpatt "tags-testpatt)
;; tags-testpatt)
((and (equal? args-testpatt "%") rtestpatt)
(debug:print-info 0 *default-log-port* "testpatt defined in "testpatt-key" from runconfigs: " rtestpatt)
rtestpatt)
(else args-testpatt))))
(configf:lookup *configdat* "setup" "linktree"))))
(define (common:args-get-runname)
(let ((res (or (args:get-arg "-runname")
(args:get-arg ":runname")
(getenv "MT_RUNNAME"))))
;; (if res (set-environment-variable "MT_RUNNAME" res)) ;; not sure if this is a good idea. side effect and all ...
res))
(define (common:args-get-target #!key (split #f))
(let* ((keys (if (hash-table? *configdat*) (keys:config-get-fields *configdat*) '()))
(numkeys (length keys))
(target (or (args:get-arg "-reqtarg")
(args:get-arg "-target")
(getenv "MT_TARGET")))
(tlist (if target (string-split target "/" #t) '()))
(valid (if target
(or (null? keys) ;; probably don't know our keys yet
(and (not (null? tlist))
(eq? numkeys (length tlist))
(null? (filter string-null? tlist))))
#f)))
(if valid
(if split
tlist
target)
(if target
(begin
(debug:print-error 0 *default-log-port* "Invalid target, spaces or blanks not allowed \"" target "\", target should be: " (string-intersperse keys "/") ", have " tlist " for elements")
#f)
#f))))
;; logic for getting homehost. Returns (host . at-home)
;; IF *toppath* is not set, wait up to five seconds trying every two seconds
;; (this is to accomodate the watchdog)
;;
(define (common:get-homehost #!key (trynum 5))
;; called often especially at start up. use mutex to eliminate collisions
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(define (common:args-get-testpatt rconf)
(let* (;; (tagexpr (args:get-arg "-tagexpr"))
;; (tags-testpatt (if tagexpr (string-join (runs:get-tests-matching-tags tagexpr) ",") #f))
(testpatt-key (if (args:get-arg "--modepatt") (args:get-arg "--modepatt") "TESTPATT"))
(args-testpatt (or (args:get-arg "-testpatt") (args:get-arg "-runtests") "%"))
(rtestpatt (if rconf (runconfigs-get rconf testpatt-key) #f)))
(cond
((args:get-arg "--modepatt") ;; modepatt is a forced setting, when set it MUST refer to an existing PATT in the runconfig
(if rconf
(runconfigs-get rconf testpatt-key)
#f)) ;; We do NOT fall back to "%"
;; (tags-testpatt
;; (debug:print-info 0 *default-log-port* "-tagexpr "tagexpr" selects testpatt "tags-testpatt)
;; tags-testpatt)
((and (equal? args-testpatt "%") rtestpatt)
(debug:print-info 0 *default-log-port* "testpatt defined in "testpatt-key" from runconfigs: " rtestpatt)
rtestpatt)
(else args-testpatt))))
(define (common:false-on-exception thunk #!key (message #f))
(handle-exceptions exn
(begin
(if message
(debug:print-info 0 *default-log-port* message))
#f) (thunk) ))
(define (common:file-exists? path-string)
;; this avoids stack dumps in the case where
;;;; TODO: catch permission denied exceptions and emit appropriate warnings, eg: system error while trying to access file: "/nfs/pdx/disks/icf_env_disk001/bjbarcla/gwa/issues/mtdev/randy-slow/reproduce/q...
(common:false-on-exception (lambda () (file-exists? path-string))
message: (conc "Unable to access path: " path-string)
))
(define (common:directory-exists? path-string)
;;;; TODO: catch permission denied exceptions and emit appropriate warnings, eg: system error while trying to access file: "/nfs/pdx/disks/icf_env_disk001/bjbarcla/gwa/issues/mtdev/randy-slow/reproduce/q...
(common:false-on-exception (lambda () (directory-exists? path-string))
message: (conc "Unable to access path: " path-string)
))
;; does the directory exist and do we have write access?
;;
;; returns the directory or #f
;;
(define (common:directory-writable? path-string)
(handle-exceptions
exn
#f
(if (and (directory-exists? path-string)
(file-write-access? path-string))
path-string
#f)))
(define (common:get-linktree)
(or (getenv "MT_LINKTREE")
(if *configdat*
(configf:lookup *configdat* "setup" "linktree")
(if *toppath*
(conc *toppath* "/lt")
#f))))
(define (common:args-get-runname)
(let ((res (or (args:get-arg "-runname")
(args:get-arg ":runname")
(getenv "MT_RUNNAME"))))
;; (if res (set-environment-variable "MT_RUNNAME" res)) ;; not sure if this is a good idea. side effect and all ...
res))
(define (common:args-get-target #!key (split #f)(exit-if-bad #f))
(let* ((keys (if (hash-table? *configdat*) (keys:config-get-fields *configdat*) '()))
(numkeys (length keys))
(target (or (args:get-arg "-reqtarg")
(args:get-arg "-target")
(getenv "MT_TARGET")))
(tlist (if target (string-split target "/" #t) '()))
(valid (if target
(or (null? keys) ;; probably don't know our keys yet
(and (not (null? tlist))
(eq? numkeys (length tlist))
(null? (filter string-null? tlist))))
#f)))
(if valid
(if split
tlist
target)
(if target
(begin
(debug:print-error 0 *default-log-port* "Invalid target, spaces or blanks not allowed \"" target "\", target should be: " (string-intersperse keys "/") ", have " tlist " for elements")
(if exit-if-bad (exit 1))
#f)
#f))))
;; looking only (at least for now) at the MT_ variables craft the full testname
;;
(define (common:get-full-test-name)
(if (getenv "MT_TEST_NAME")
(if (and (getenv "MT_ITEMPATH")
(not (equal? (getenv "MT_ITEMPATH") "")))
(getenv "MT_TEST_NAME")
(conc (getenv "MT_TEST_NAME") "/" (getenv "MT_ITEMPATH")))
#f))
;; logic for getting homehost. Returns (host . at-home)
;; IF *toppath* is not set, wait up to five seconds trying every two seconds
;; (this is to accomodate the watchdog)
;;
(define (common:get-homehost #!key (trynum 5))
;; called often especially at start up. use mutex to eliminate collisions
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(common:get-homehost trynum: (- trynum 1)))
#f))
(else
(let* ((currhost (get-host-name))
(bestadrs (server:get-best-guess-address currhost))
;; first look in config, then look in file .homehost, create it if not found
(homehost (or (configf:lookup *configdat* "server" "homehost" )
(let ((hhf (conc *toppath* "/.homehost")))
(if (file-exists? hhf)
(with-input-from-file hhf read-line)
(if (file-write-access? *toppath*)
(begin
(with-output-to-file hhf
(lambda ()
(print bestadrs)))
(begin
(mutex-unlock! *homehost-mutex*)
(car (common:get-homehost))))
#f)))))
(at-home (or (equal? homehost currhost)
(equal? homehost bestadrs))))
(set! *home-host* (cons homehost at-home))
(mutex-unlock! *homehost-mutex*)
*home-host*))))
;; am I on the homehost?
;;
(define (common:on-homehost?)
(let ((hh (common:get-homehost)))
(if hh
(cdr hh)
#f)))
;;======================================================================
;; M I S C L I S T S
;;======================================================================
;; items in lista are matched value and position in listb
;; return the remaining items in listb or #f
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(common:get-homehost trynum: (- trynum 1)))
#f))
(else
(let* ((currhost (get-host-name))
(bestadrs (server:get-best-guess-address currhost))
;; first look in config, then look in file .homehost, create it if not found
(homehost (or (configf:lookup *configdat* "server" "homehost" )
(handle-exceptions
exn
(if (> trynum 0)
(let ((delay-time (* (- 5 trynum) 5)))
(mutex-unlock! *homehost-mutex*)
(debug:print 0 *default-log-port* "ERROR: Failed to read .homehost file, delaying " delay-time " seconds and trying again, message: " ((condition-property-accessor 'exn 'message) exn))
(thread-sleep! delay-time)
(common:get-homehost trynum: (- trynum 1)))
(begin
(mutex-unlock! *homehost-mutex*)
(debug:print 0 *default-log-port* "ERROR: Failed to read .homehost file after trying five times. Giving up and exiting, message: " ((condition-property-accessor 'exn 'message) exn))
(exit 1)))
(let ((hhf (conc *toppath* "/.homehost")))
(if (common:file-exists? hhf)
(with-input-from-file hhf read-line)
(if (file-write-access? *toppath*)
(begin
(with-output-to-file hhf
(lambda ()
(print bestadrs)))
(begin
(mutex-unlock! *homehost-mutex*)
(car (common:get-homehost))))
#f))))))
(at-home (or (equal? homehost currhost)
(equal? homehost bestadrs))))
(set! *home-host* (cons homehost at-home))
(mutex-unlock! *homehost-mutex*)
*home-host*))))
;; am I on the homehost?
;;
(define (common:on-homehost?)
(let ((hh (common:get-homehost)))
(if hh
(cdr hh)
#f)))
;; do we honor the caches of the config files?
;;
(define (common:use-cache?)
(let ((res #t)) ;; priority by order of evaluation
(if *configdat* ;; sillyness here. can't use setup/use-cache to know if we can use the cached files!
(if (equal? (configf:lookup *configdat* "setup" "use-cache") "no")
(set! res #f)
(if (equal? (configf:lookup *configdat* "setup" "use-cache") "yes")
(set! res #t))))
(if (args:get-arg "-no-cache")(set! res #f)) ;; overrides setting in "setup"
(if (getenv "MT_USE_CACHE")
(if (equal? (getenv "MT_USE_CACHE") "yes")
(set! res #t)
(if (equal? (getenv "MT_USE_CACHE") "no")
(set! res #f)))) ;; overrides -no-cache switch
res))
;; force use of server?
;;
(define (common:force-server?)
(let* ((force-setting (configf:lookup *configdat* "server" "force"))
(force-type (if force-setting (string->symbol force-setting) #f))
(force-result (case force-type
((#f) #f)
((always) #t)
((test) (if (args:get-arg "-execute") ;; we are in a test
#t
#f))
(else
(debug:print 0 *default-log-port* "ERROR: Bad server force setting " force-setting ", forcing server.")
#t)))) ;; default to requiring server
(if force-result
(begin
(debug:print-info 0 *default-log-port* "forcing use of server, force setting is \"" force-setting "\".")
#t)
#f)))
;;======================================================================
;; M I S C L I S T S
;;======================================================================
;; items in lista are matched value and position in listb
;; return the remaining items in listb or #f
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;; S Y S T E M S T U F F
;;======================================================================
;; lazy-safe get file mod time. on any error (file not existing etc.) return 0
;;
(define (common:lazy-modification-time fpath)
(handle-exceptions
exn
0
(file-modification-time fpath)))
;; find timestamp of newest file associated with a sqlite db file
(define (common:lazy-sqlite-db-modification-time fpath)
(let* ((glob-list (handle-exceptions
exn
'("/no/such/file")
(glob (conc fpath "*"))))
'("/no/such/file")
glob-list)))
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;; S Y S T E M S T U F F
;;======================================================================
;; lazy-safe get file mod time. on any error (file not existing etc.) return 0
;;
(define (common:lazy-modification-time fpath)
(handle-exceptions
exn
0
(file-modification-time fpath)))
;; find timestamp of newest file associated with a sqlite db file
(define (common:lazy-sqlite-db-modification-time fpath)
(let* ((glob-list (handle-exceptions
exn
`(,(conc "/no/such/file, message: " ((condition-property-accessor 'exn 'message) exn)))
(glob (conc fpath "*"))))
(file-list (if (eq? 0 (length glob-list))
'("/no/such/file")
glob-list)))
(apply max
(map
common:lazy-modification-time
file-list))))
;; return a nice clean pathname made absolute
(define (common:nice-path dir)
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((< (+ load (/ (random 250) 1000)) ;; add a random factor to keep from getting in a rut
(+ best-load (/ (random 250) 1000)) )
(set! best-load load)
(set! best-host hostname)))))
hosts)
best-host))
(debug:print-info 0 *default-log-port* "waiting " waitdelay " seconds due to load " first " exceeding max of " adjload (if msg msg ""))
(thread-sleep! waitdelay)
(common:wait-for-cpuload maxload numcpus waitdelay count: (- count 1)))
((and (> loadjmp numcpus)
(> count 0))
(debug:print-info 0 *default-log-port* "waiting " waitdelay " seconds due to load jump " loadjmp " > numcpus " numcpus (if msg msg ""))
(thread-sleep! waitdelay)
(common:wait-for-cpuload maxload numcpus waitdelay count: (- count 1))))))
(define (common:get-num-cpus remote-host)
(let ((proc (lambda ()
(let loop ((numcpu 0)
(inl (read-line)))
(if (eof-object? inl)
numcpu
(loop (if (string-match "^processor\\s+:\\s+\\d+$" inl)
(+ numcpu 1)
numcpu)
(read-line)))))))
(if remote-host
(with-input-from-pipe
(conc "ssh " remote-host " cat /proc/cpuinfo")
proc)
(with-input-from-file "/proc/cpuinfo" proc))))
;; wait for normalized cpu load to drop below maxload
;;
(define (common:wait-for-normalized-load maxload #!key (msg #f)(remote-host #f))
(let ((num-cpus (common:get-num-cpus remote-host)))
(common:wait-for-cpuload maxload num-cpus 15 msg: msg)))
(define (get-uname . params)
(let* ((uname-res (process:cmd-run->list (conc "uname " (if (null? params) "-a" (car params)))))
(uname #f))
(if (null? (car uname-res))
"unknown"
(caar uname-res))))
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((< (+ load (/ (random 250) 1000)) ;; add a random factor to keep from getting in a rut
(+ best-load (/ (random 250) 1000)) )
(set! best-load load)
(set! best-host hostname)))))
hosts)
best-host))
(define (common:wait-for-cpuload maxload numcpus waitdelay #!key (count 1000) (msg #f)(remote-host #f))
(let* ((loadavg (common:get-cpu-load remote-host))
(first (car loadavg))
(next (cadr loadavg))
(adjload (* maxload numcpus))
(loadjmp (- first next)))
(cond
((and (> first adjload)
(> count 0))
(debug:print-info 0 *default-log-port* "server start delayed " waitdelay " seconds due to load " first " exceeding max of " adjload " on server " (or remote-host (get-host-name)) " (normalized load-limit: " maxload ") " (if msg msg ""))
(thread-sleep! waitdelay)
(common:wait-for-cpuload maxload numcpus waitdelay count: (- count 1) msg: msg remote-host: remote-host))
((and (> loadjmp numcpus)
(> count 0))
(debug:print-info 0 *default-log-port* "waiting " waitdelay " seconds due to load jump " loadjmp " > numcpus " numcpus (if msg msg ""))
(thread-sleep! waitdelay)
(common:wait-for-cpuload maxload numcpus waitdelay count: (- count 1) msg: msg remote-host: remote-host)))))
(define (common:wait-for-homehost-load maxload msg)
(let* ((hh-dat (if (common:on-homehost?) ;; if we are on the homehost then pass in #f so the calls are local.
#f
(common:get-homehost)))
(hh (if hh-dat (car hh-dat) #f))
(numcpus (common:get-num-cpus hh)))
(common:wait-for-normalized-load maxload msg hh)))
(define (common:get-num-cpus remote-host)
(let ((proc (lambda ()
(let loop ((numcpu 0)
(inl (read-line)))
(if (eof-object? inl)
numcpu
(loop (if (string-match "^processor\\s+:\\s+\\d+$" inl)
(+ numcpu 1)
numcpu)
(read-line)))))))
(if remote-host
(with-input-from-pipe
(conc "ssh " remote-host " cat /proc/cpuinfo")
proc)
(with-input-from-file "/proc/cpuinfo" proc))))
;; wait for normalized cpu load to drop below maxload
;;
(define (common:wait-for-normalized-load maxload msg remote-host)
(let ((num-cpus (common:get-num-cpus remote-host)))
(common:wait-for-cpuload maxload num-cpus 15 msg: msg remote-host: remote-host)))
(define (get-uname . params)
(let* ((uname-res (process:cmd-run->list (conc "uname " (if (null? params) "-a" (car params)))))
(uname #f))
(if (null? (car uname-res))
"unknown"
(caar uname-res))))
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(if (and best (> bestsize minsize))
best
#f))) ;; #f means no disk candidate found
;;======================================================================
;; E N V I R O N M E N T V A R S
;;======================================================================
(with-output-to-file (conc fname ".csh")
(print (if (member key ignorevars)
"# setenv "
"setenv ")
key " " delim (mungeval val) delim)))
envvars)))
(with-output-to-file (conc fname ".sh")
(lambda ()
(for-each (lambda (keyval)
(let* ((key (car keyval))
(val (cdr keyval))
(delim (if (string-search whitesp val)
"\""
"")))
(print (if (member key ignorevars)
"# export "
"export ")
key "=" delim (mungeval val) delim)))
envvars)))))
;; set some env vars from an alist, return an alist with original values
;; (("VAR" "value") ...)
(define (alist->env-vars lst)
(if (list? lst)
(let ((res '()))
(for-each (lambda (p)
(let* ((var (car p))
(val (cadr p))
(prv (get-environment-variable var)))
(set! res (cons (list var prv) res))
(if val
(setenv var (->string val))
(unsetenv var))))
lst)
res)
'()))
;; clear vars matching pattern, run proc, set vars back
;; if proc is a string run that string as a command with
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(if (and best (> bestsize minsize))
best
#f))) ;; #f means no disk candidate found
;;======================================================================
;; E N V I R O N M E N T V A R S
;;======================================================================
(define (bb-check-path #!key (msg "check-path: "))
(let ((path (or (get-environment-variable "PATH") "none")))
(debug:print-info 0 *default-log-port* (conc msg" : $PATH="path))
(if (string-match "^.*/isoenv-core/.*" path)
(debug:print-error 0 *default-log-port* (conc msg" : !!ISOENV PRESENT!!")) ;; remove for prod
(debug:print-info 1 *default-log-port* (conc msg" : **no isoenv present**")))))
(define (save-environment-as-files fname #!key (ignorevars (list "USER" "HOME" "DISPLAY" "LS_COLORS" "XKEYSYMDB" "EDITOR" "MAKEFLAGS" "MAKEF" "MAKEOVERRIDES")))
;;(bb-check-path msg: "save-environment-as-files entry")
(let ((envvars (get-environment-variables))
(whitesp (regexp "[^a-zA-Z0-9_\\-:,.\\/%$]"))
(mungeval (lambda (val)
(cond
((eq? val #t) "") ;; convert #t to empty string
((eq? val #f) #f) ;; convert #f to itself (still thinking about this one
(else val)))))
(with-output-to-file (conc fname ".csh")
(lambda ()
(for-each (lambda (keyval)
(let* ((key (car keyval))
(val (cdr keyval))
(delim (if (string-search whitesp val)
"\""
"")))
(print (if (or (member key ignorevars)
(string-search whitesp key))
"# setenv "
"setenv ")
key " " delim (mungeval val) delim)))
envvars)))
(with-output-to-file (conc fname ".sh")
(lambda ()
(for-each (lambda (keyval)
(let* ((key (car keyval))
(val (cdr keyval))
(delim (if (string-search whitesp val)
"\""
"")))
(print (if (or (member key ignorevars)
(string-search whitesp key)
(string-search ":" key)) ;; internal only values to be skipped.
"# export "
"export ")
key "=" delim (mungeval val) delim)))
envvars)))))
;; set some env vars from an alist, return an alist with original values
;; (("VAR" "value") ...)
(define (alist->env-vars lst)
(if (list? lst)
(let ((res '()))
(for-each (lambda (p)
(let* ((var (car p))
(val (cadr p))
(prv (get-environment-variable var)))
(set! res (cons (list var prv) res))
(if val
(safe-setenv var (->string val))
(unsetenv var))))
lst)
res)
'()))
;; clear vars matching pattern, run proc, set vars back
;; if proc is a string run that string as a command with
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"%m"))
((1 2 3) 1)
((4 5 6) 2)
((7 8 9) 3)
((10 11 12) 4)
(else #f)))
;; given span of seconds tstart to tend
;; find start time to mark and mark delta
;;
(define (common:find-start-mark-and-mark-delta tstart tend)
(let* ((deltat (- (max tend (+ tend 10)) tstart)) ;; can't handle runs of less than 4 seconds. Pad it to 10 seconds ...
(result #f)
(min 60)
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"%m"))
((1 2 3) 1)
((4 5 6) 2)
((7 8 9) 3)
((10 11 12) 4)
(else #f)))
;; basic ISO8601 format (e.g. "2017-02-28 06:02:54") date time => Unix epoch
;;
(define (common:date-time->seconds datetime)
(local-time->seconds (string->time datetime "%Y-%m-%d %H:%M:%S")))
;; given span of seconds tstart to tend
;; find start time to mark and mark delta
;;
(define (common:find-start-mark-and-mark-delta tstart tend)
(let* ((deltat (- (max tend (+ tend 10)) tstart)) ;; can't handle runs of less than 4 seconds. Pad it to 10 seconds ...
(result #f)
(min 60)
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(list yr mo wk day hr min 1)
'( y mo w d h m s))))
(list 8 6 5 2 1)))
'(5 10 15 20 30 40 50 500))
(if values
(apply values result)
(values 0 day 1 0 'd))))
;; given a cron string and the last time event was processed return #t to run or #f to not run
;;
;; min hour dayofmonth month dayofweek
;; 0-59 0-23 1-31 1-12 0-6 ### NOTE: dayofweek does not include 7
;;
;; #t => yes, run the job
;; #f => no, do not run the job
;;
(define (common:cron-event cron-str now-seconds-in last-done) ;; ref-seconds = #f is NOW.
(let* ((cron-items (map string->number (string-split cron-str)))
(now-seconds (or now-seconds-in (current-seconds)))
(now-time (seconds->local-time now-seconds))
(last-done-time (seconds->local-time last-done))
(all-times (make-hash-table)))
(print "cron-items: " cron-items "(length cron-items): " (length cron-items))
(if (not (eq? (length cron-items) 5)) ;; don't even try to figure out junk strings
#f
(match-let ((( cmin chour cdayofmonth cmonth cdayofweek)
cron-items)
;; 0 1 2 3 4 5 6
((nsec nmin nhour ndayofmonth nmonth nyr ndayofweek n7 n8 n9)
(vector->list now-time))
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|
(list yr mo wk day hr min 1)
'( y mo w d h m s))))
(list 8 6 5 2 1)))
'(5 10 15 20 30 40 50 500))
(if values
(apply values result)
(values 0 day 1 0 'd))))
;; given x y lim return the cron expansion
;;
(define (common:expand-cron-slash x y lim)
(let loop ((curr x)
(res `()))
(if (< curr lim)
(loop (+ curr y) (cons curr res))
(reverse res))))
;; expand a complex cron string to a list of cron strings
;;
;; x/y => x, x+y, x+2y, x+3y while x+Ny<max_for_field
;; a,b,c => a, b ,c
;;
;; NOTE: with flatten a lot of the crud below can be factored down.
;;
(define (common:cron-expand cron-str)
(if (list? cron-str)
(flatten
(fold (lambda (x res)
(if (list? x)
(let ((newres (map common:cron-expand x)))
(append x newres))
(cons x res)))
'()
cron-str)) ;; (map common:cron-expand cron-str))
(let ((cron-items (string-split cron-str))
(slash-rx (regexp "(\\d+)/(\\d+)"))
(comma-rx (regexp ".*,.*"))
(max-vals '((min . 60)
(hour . 24)
(dayofmonth . 28) ;;; BUG!!!! This will be a bug for some combinations
(month . 12)
(dayofweek . 7))))
(if (< (length cron-items) 5) ;; bad spec
cron-str ;; `(,cron-str) ;; just return the string, something downstream will fix it
(let loop ((hed (car cron-items))
(tal (cdr cron-items))
(type 'min)
(type-tal '(hour dayofmonth month dayofweek))
(res '()))
(regex-case
hed
(slash-rx ( _ base incr ) (let* ((basen (string->number base))
(incrn (string->number incr))
(expanded-vals (common:expand-cron-slash basen incrn (alist-ref type max-vals)))
(new-list-crons (fold (lambda (x myres)
(cons (conc (if (null? res)
""
(conc (string-intersperse res " ") " "))
x " " (string-intersperse tal " "))
myres))
'() expanded-vals)))
;; (print "new-list-crons: " new-list-crons)
;; (fold (lambda (x res)
;; (if (list? x)
;; (let ((newres (map common:cron-expand x)))
;; (append x newres))
;; (cons x res)))
;; '()
(flatten (map common:cron-expand new-list-crons))))
;; (map common:cron-expand (map common:cron-expand new-list-crons))))
(else (if (null? tal)
cron-str
(loop (car tal)(cdr tal)(car type-tal)(cdr type-tal)(append res (list hed)))))))))))
;; given a cron string and the last time event was processed return #t to run or #f to not run
;;
;; min hour dayofmonth month dayofweek
;; 0-59 0-23 1-31 1-12 0-6 ### NOTE: dayofweek does not include 7
;;
;; #t => yes, run the job
;; #f => no, do not run the job
;;
(define (common:cron-event cron-str now-seconds-in last-done) ;; ref-seconds = #f is NOW.
(let* ((cron-items (map string->number (string-split cron-str)))
(now-seconds (or now-seconds-in (current-seconds)))
(now-time (seconds->local-time now-seconds))
(last-done-time (seconds->local-time last-done))
(all-times (make-hash-table)))
;; (print "cron-items: " cron-items "(length cron-items): " (length cron-items))
(if (not (eq? (length cron-items) 5)) ;; don't even try to figure out junk strings
#f
(match-let ((( cmin chour cdayofmonth cmonth cdayofweek)
cron-items)
;; 0 1 2 3 4 5 6
((nsec nmin nhour ndayofmonth nmonth nyr ndayofweek n7 n8 n9)
(vector->list now-time))
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(is-in #f))
(for-each
(lambda (moment)
(if (and before
(<= before now-seconds)
(>= moment now-seconds))
(begin
(print)
(print "Before: " (time->string (seconds->local-time before)))
(print "Now: " (time->string (seconds->local-time now-seconds)))
(print "After: " (time->string (seconds->local-time moment)))
(print "Last: " (time->string (seconds->local-time last-done)))
(if (< last-done before)
(set! is-in before))
))
(set! before moment))
(sort (hash-table-keys all-times) <))
is-in)))))
;;======================================================================
;; C O L O R S
;;======================================================================
(define (common:name->iup-color name)
(case (string->symbol (string-downcase name))
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(is-in #f))
(for-each
(lambda (moment)
(if (and before
(<= before now-seconds)
(>= moment now-seconds))
(begin
;; (print)
;; (print "Before: " (time->string (seconds->local-time before)))
;; (print "Now: " (time->string (seconds->local-time now-seconds)))
;; (print "After: " (time->string (seconds->local-time moment)))
;; (print "Last: " (time->string (seconds->local-time last-done)))
(if (< last-done before)
(set! is-in before))
))
(set! before moment))
(sort (hash-table-keys all-times) <))
is-in)))))
(define (common:extended-cron cron-str now-seconds-in last-done)
(let ((expanded-cron (common:cron-expand cron-str)))
(if (string? expanded-cron)
(common:cron-event expanded-cron now-seconds-in last-done)
(let loop ((hed (car expanded-cron))
(tal (cdr expanded-cron)))
(if (common:cron-event hed now-seconds-in last-done)
#t
(if (null? tal)
#f
(loop (car tal)(cdr tal))))))))
;;======================================================================
;; C O L O R S
;;======================================================================
(define (common:name->iup-color name)
(case (string->symbol (string-downcase name))
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(string-intersperse
(map (lambda (x)
(number->string x 16))
(map string->number
(string-split instr)))
"/"))
(define (common:get-color-from-status status)
(cond
((equal? status "PASS") "green")
((equal? status "FAIL") "red")
((equal? status "WARN") "orange")
((equal? status "KILLED") "orange")
((equal? status "KILLREQ") "purple")
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(string-intersperse
(map (lambda (x)
(number->string x 16))
(map string->number
(string-split instr)))
"/"))
;;======================================================================
;; L O C K I N G M E C H A N I S M S
;;======================================================================
;; faux-lock is deprecated. Please use simple-lock below
;;
(define (common:faux-lock keyname #!key (wait-time 8)(allow-lock-steal #t))
(if (rmt:no-sync-get/default keyname #f) ;; do not be tempted to compare to pid. locking is a one-shot action, if already locked for this pid it doesn't actually count
(if (> wait-time 0)
(begin
(thread-sleep! 1)
(if (eq? wait-time 1) ;; only one second left, steal the lock
(begin
(debug:print-info 0 *default-log-port* "stealing lock for " keyname)
(common:faux-unlock keyname force: #t)))
(common:faux-lock keyname wait-time: (- wait-time 1)))
#f)
(begin
(rmt:no-sync-set keyname (conc (current-process-id)))
(equal? (conc (current-process-id)) (conc (rmt:no-sync-get/default keyname #f))))))
(define (common:faux-unlock keyname #!key (force #f))
(if (or force (equal? (conc (current-process-id)) (conc (rmt:no-sync-get/default keyname #f))))
(begin
(if (rmt:no-sync-get/default keyname #f) (rmt:no-sync-del! keyname))
#t)
#f))
;; simple lock. improve and converge on this one.
;;
(define (common:simple-lock keyname)
(rmt:no-sync-get-lock keyname))
;;======================================================================
;;
;;======================================================================
(define (common:in-running-test?)
(and (args:get-arg "-execute") (get-environment-variable "MT_CMDINFO")))
(define (common:get-color-from-status status)
(cond
((equal? status "PASS") "green")
((equal? status "FAIL") "red")
((equal? status "WARN") "orange")
((equal? status "KILLED") "orange")
((equal? status "KILLREQ") "purple")
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;; first read ~/views.config if it exists, then read $MTRAH/views.config if it exists
;;
(define (common:load-views-config)
(let* ((view-cfgdat (make-hash-table))
(home-cfgfile (conc (get-environment-variable "HOME") "/.mtviews.config"))
(mthome-cfgfile (conc *toppath* "/.mtviews.config")))
(if (file-exists? mthome-cfgfile)
(read-config mthome-cfgfile view-cfgdat #t))
;; we load the home dir file AFTER the MTRAH file so the user can clobber settings when running the dashboard in read-only areas
(if (file-exists? home-cfgfile)
(read-config home-cfgfile view-cfgdat #t))
view-cfgdat))
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;; first read ~/views.config if it exists, then read $MTRAH/views.config if it exists
;;
(define (common:load-views-config)
(let* ((view-cfgdat (make-hash-table))
(home-cfgfile (conc (get-environment-variable "HOME") "/.mtviews.config"))
(mthome-cfgfile (conc *toppath* "/.mtviews.config")))
(if (common:file-exists? mthome-cfgfile)
(read-config mthome-cfgfile view-cfgdat #t))
;; we load the home dir file AFTER the MTRAH file so the user can clobber settings when running the dashboard in read-only areas
(if (common:file-exists? home-cfgfile)
(read-config home-cfgfile view-cfgdat #t))
view-cfgdat))
;; accept an alist or hash table containing envvar/env value pairs (value of #f causes unset)
;; execute thunk in context of environment modified as per this list
;; restore env to prior state then return value of eval'd thunk.
;; ** this is not thread safe **
(define (common:with-env-vars delta-env-alist-or-hash-table thunk)
(let* ((delta-env-alist (if (hash-table? delta-env-alist-or-hash-table)
(hash-table->alist delta-env-alist-or-hash-table)
delta-env-alist-or-hash-table))
(restore-thunks
(filter
identity
(map (lambda (env-pair)
(let* ((env-var (car env-pair))
(new-val (cadr env-pair))
(current-val (get-environment-variable env-var))
(restore-thunk
(cond
((not current-val) (lambda () (unsetenv env-var)))
((not (string? new-val)) #f)
((eq? current-val new-val) #f)
(else
(lambda () (setenv env-var current-val))))))
;;(when (not (string? new-val))
;; (debug:print 0 *default-log-port* " PROBLEM: not a string: "new-val"\n from env-alist:\n"delta-env-alist)
;; (pp delta-env-alist)
;; (exit 1))
(cond
((not new-val) ;; modify env here
(unsetenv env-var))
((string? new-val)
(setenv env-var new-val)))
restore-thunk))
delta-env-alist))))
(let ((rv (thunk)))
(for-each (lambda (x) (x)) restore-thunks) ;; restore env to original state
rv)))
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