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(sqlite3:execute db (conc "PRAGMA synchronous = " (or syncprag 1) ";"))))
;; open an sql database inside a file lock
;;
;; returns: db existed-prior-to-opening
;;
(define (db:lock-create-open fname initproc area-dat)
(if (file-exists? fname)
(let ((db (sqlite3:open-database fname)))
(sqlite3:set-busy-handler! db (make-busy-timeout 136000))
(db:set-sync db area-dat) ;; (sqlite3:execute db "PRAGMA synchronous = 0;")
db)
(let* ((parent-dir (pathname-directory fname))
(dir-writable (file-write-access? parent-dir)))
(if dir-writable
(let ((exists (file-exists? fname))
(lock (obtain-dot-lock fname 1 5 10))
(db (sqlite3:open-database fname)))
(sqlite3:set-busy-handler! db (make-busy-timeout 136000))
(db:set-sync db area-dat) ;; (sqlite3:execute db "PRAGMA synchronous = 0;")
(if (not exists)(initproc db))
(release-dot-lock fname)
db)
(begin
(debug:print 0 "ERROR: no such db in non-writable dir " fname)
(sqlite3:open-database fname))))))
;; This routine creates the db. It is only called if the db is not already opened
;;
(define (db:open-rundb dbstruct area-dat run-id #!key (attemptnum 0)(do-not-open #f)) ;; (conc toppath "/megatest.db") (car configinfo)))
(let* ((local (dbr:dbstruct-get-local dbstruct))
(rdb (if local
(dbr:dbstruct-get-localdb dbstruct run-id)
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(sqlite3:execute db (conc "PRAGMA synchronous = " (or syncprag 1) ";"))))
;; open an sql database inside a file lock
;;
;; returns: db existed-prior-to-opening
;;
(define (db:lock-create-open fname initproc area-dat)
;; (if (file-exists? fname)
;; (let ((db (sqlite3:open-database fname)))
;; (sqlite3:set-busy-handler! db (make-busy-timeout 136000))
(db:set-sync db area-dat) ;; (sqlite3:execute db "PRAGMA synchronous = 0;")
;; db)
(let* ((parent-dir (pathname-directory fname))
(dir-writable (file-write-access? parent-dir))
(file-exists (file-exists? fname))
(file-write (if file-exists
(file-write-access? fname)
dir-writable )))
(if file-write ;; dir-writable
(let (;; (lock (obtain-dot-lock fname 1 5 10))
(db (sqlite3:open-database fname)))
(sqlite3:set-busy-handler! db (make-busy-timeout 136000))
(db:set-sync db area-dat) ;; (sqlite3:execute db "PRAGMA synchronous = 0;")
(if (not file-exists)(initproc db))
;; (release-dot-lock fname)
db)
(begin
(debug:print 2 "WARNING: opening db in non-writable dir " fname)
(sqlite3:open-database fname))))) ;; )
;; This routine creates the db. It is only called if the db is not already opened
;;
(define (db:open-rundb dbstruct area-dat run-id #!key (attemptnum 0)(do-not-open #f)) ;; (conc toppath "/megatest.db") (car configinfo)))
(let* ((local (dbr:dbstruct-get-local dbstruct))
(rdb (if local
(dbr:dbstruct-get-localdb dbstruct run-id)
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(inmem (if local #f (db:open-inmem-db)))
(refdb (if local #f (db:open-inmem-db)))
(db (db:lock-create-open dbpath ;; this is the database physically on disk
(lambda (db)
(handle-exceptions
exn
(begin
(release-dot-lock dbpath)
(if (> attemptnum 2)
(debug:print 0 "ERROR: tried twice, cannot create/initialize db for run-id " run-id ", at path " dbpath)
(db:open-rundb dbstruct area-dat run-id attemptnum (+ attemptnum 1))))
(db:initialize-run-id-db db)
(sqlite3:execute
db
"INSERT OR IGNORE INTO tests (id,run_id,testname,event_time,item_path,state,status) VALUES (?,?,'bogustest',strftime('%s','now'),'nowherepath','DELETED','n/a');"
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(inmem (if local #f (db:open-inmem-db)))
(refdb (if local #f (db:open-inmem-db)))
(db (db:lock-create-open dbpath ;; this is the database physically on disk
(lambda (db)
(handle-exceptions
exn
(begin
;; (release-dot-lock dbpath)
(if (> attemptnum 2)
(debug:print 0 "ERROR: tried twice, cannot create/initialize db for run-id " run-id ", at path " dbpath)
(db:open-rundb dbstruct area-dat run-id attemptnum (+ attemptnum 1))))
(db:initialize-run-id-db db)
(sqlite3:execute
db
"INSERT OR IGNORE INTO tests (id,run_id,testname,event_time,item_path,state,status) VALUES (?,?,'bogustest',strftime('%s','now'),'nowherepath','DELETED','n/a');"
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'("description" #f)
'("reviewed" #f)
'("iterated" #f)
'("avg_runtime" #f)
'("avg_disk" #f)
'("tags" #f)
'("jobgroup" #f)))))
;; tbls is ( ("tablename" ( "field1" [#f|proc1] ) ( "field2" [#f|proc2] ) .... ) )
;; db's are dbdat's
;;
(define (db:sync-tables area-dat tbls fromdb todb . slave-dbs)
(mutex-lock! *db-sync-mutex*)
(handle-exceptions
exn
(begin
(debug:print 0 "EXCEPTION: database probably overloaded or unreadable in db:sync-tables.")
(print-call-chain (current-error-port))
(debug:print 0 " message: " ((condition-property-accessor 'exn 'message) exn))
(print "exn=" (condition->list exn))
(debug:print 0 " status: " ((condition-property-accessor 'sqlite3 'status) exn))
(debug:print 0 " src db: " (db:dbdat-get-path fromdb))
(for-each (lambda (dbdat)
(debug:print 0 " dbpath: " (db:dbdat-get-path dbdat)))
(cons todb slave-dbs))
(if *server-run* ;; we are inside a server, throw a sync-failed error
(signal (make-composite-condition
(make-property-condition 'sync-failed 'message "db:sync-tables failed in a server context.")))
0)) ;; return zero for num synced
;; (set! *time-to-exit* #t) ;; let watch dog know that it is time to die.
;; (tasks:server-set-state! (db:delay-if-busy tdbdat) server-id "shutting-down")
;; (portlogger:open-run-close portlogger:set-port port "released")
;; (exit 1)))
(cond
((not fromdb) (debug:print 3 "WARNING: db:sync-tables called with fromdb missing") -1)
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'("description" #f)
'("reviewed" #f)
'("iterated" #f)
'("avg_runtime" #f)
'("avg_disk" #f)
'("tags" #f)
'("jobgroup" #f)))))
;; use bunch of Unix commands to try to break the lock and recreate the db
;;
(define (db:move-and-recreate-db dbdat)
(let* ((dbpath (db:dbdat-get-path dbdat))
(dbdir (pathname-directory dbpath))
(fname (pathname-strip-directory dbpath))
(fnamejnl (conc fname "-journal"))
(tmpname (conc fname "." (current-process-id)))
(tmpjnl (conc fnamejnl "." (current-process-id))))
(debug:print 0 "ERROR: " fname " appears corrupted. Making backup \"old/" fname "\"")
(system (conc "cd " dbdir ";mkdir -p old;cat " fname " > old/" tmpname))
(system (conc "rm -f " dbpath))
(if (file-exists? fnamejnl)
(begin
(debug:print 0 "ERROR: " fnamejnl " found, moving it to old dir as " tmpjnl)
(system (conc "cd " dbdir ";mkdir -p old;cat " fnamejnl " > old/" tmpjnl))
(system (conc "rm -f " dbdir "/" fnamejnl))))
;; attempt to recreate database
(system (conc "cd " dbdir ";sqlite3 old/" tmpname " .dump | sqlite3 " fname))))
;; return #f to indicate the dbdat should be closed/reopened
;; else return dbdat
;;
(define (db:repair-db dbdat #!key (numtries 1))
(let* ((dbpath (db:dbdat-get-path dbdat))
(dbdir (pathname-directory dbpath))
(fname (pathname-strip-directory dbpath)))
(debug:print-info 0 "Checking db " dbpath " for errors.")
(cond
((not (file-write-access? dbdir))
(debug:print 0 "WARNING: can't write to " dbdir ", can't fix " fname)
#f)
;; handle special cases, megatest.db and monitor.db
;;
;; NOPE: apply this same approach to all db files
;;
(else ;; ((equal? fname "megatest.db") ;; this file can be regenerated if needed
(handle-exceptions
exn
(begin
;; (db:move-and-recreate-db dbdat)
(if (> numtries 0)
(db:repair-db dbdat numtries: (- numtries 1))
#f)
(debug:print 0 "FATAL: file " dbpath " was found corrupted, an attempt to fix has been made but you must start over.")
(debug:print 0
" check the following:\n"
" 1. full directories, look in ~/ /tmp and " dbdir "\n"
" 2. write access to " dbdir "\n\n"
" if the automatic recovery failed you may be able to recover data by doing \""
(if (member fname '("megatest.db" "monitor.db"))
"megatest -cleanup-db"
"megatest -import-megatest.db;megatest -cleanup-db")
"\"\n")
(exit) ;; we can not safely continue when a db was corrupted - even if fixed.
)
;; test read/write access to the database
(let ((db (sqlite3:open-database dbpath)))
(cond
((equal? fname "megatest.db")
(sqlite3:execute db "DELETE FROM tests WHERE state='DELETED';"))
((equal? fname "main.db")
(sqlite3:execute db "DELETE FROM runs WHERE state='deleted';"))
((string-match "\\d.db" fname)
(sqlite3:execute db "UPDATE tests SET state='DELETED' WHERE state='DELETED';"))
((equal? fname "monitor.db")
(sqlite3:execute "DELETE FROM servers WHERE state LIKE 'defunct%';"))
(else
(sqlite3:execute db "vacuum;")))
(finalize! db)
#t))))))
;; tbls is ( ("tablename" ( "field1" [#f|proc1] ) ( "field2" [#f|proc2] ) .... ) )
;; db's are dbdat's
;;
(define (db:sync-tables area-dat tbls fromdb todb . slave-dbs)
(mutex-lock! *db-sync-mutex*)
(handle-exceptions
exn
(begin
(mutex-unlock! *db-sync-mutex*)
(debug:print 0 "EXCEPTION: database probably overloaded or unreadable in db:sync-tables.")
(print-call-chain (current-error-port))
(debug:print 0 " message: " ((condition-property-accessor 'exn 'message) exn))
(print "exn=" (condition->list exn))
(debug:print 0 " status: " ((condition-property-accessor 'sqlite3 'status) exn))
(debug:print 0 " src db: " (db:dbdat-get-path fromdb))
(for-each (lambda (dbdat)
(let ((dbpath (db:dbdat-get-path dbdat)))
(debug:print 0 " dbpath: " dbpath)
(if (not (db:repair-db dbdat))
(begin
(debug:print 0 "ERROR: Failed to rebuild " dbpath ", exiting now.")
(exit)))))
(cons todb slave-dbs))
0)
;; (if *server-run* ;; we are inside a server, throw a sync-failed error
;; (signal (make-composite-condition
;; (make-property-condition 'sync-failed 'message "db:sync-tables failed in a server context.")))
;; 0)) ;; return zero for num synced
;; (set! *time-to-exit* #t) ;; let watch dog know that it is time to die.
;; (tasks:server-set-state! (db:delay-if-busy tdbdat) server-id "shutting-down")
;; (portlogger:open-run-close portlogger:set-port port "released")
;; (exit 1)))
(cond
((not fromdb) (debug:print 3 "WARNING: db:sync-tables called with fromdb missing") -1)
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(lambda (a . x)
(set! res (cons (apply vector a x) res)))
db
qrystr
)))
(debug:print-info 11 "db:get-runs END qrystr: " qrystr " keypatts: " keypatts " offset: " offset " limit: " count)
(vector header res)))
;; db:get-runs-by-patt
;; get runs by list of criteria
;; register a test run with the db
;;
;; Use: (db:get-value-by-header (db:get-header runinfo)(db:get-rows runinfo))
;; to extract info from the structure returned
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(lambda (a . x)
(set! res (cons (apply vector a x) res)))
db
qrystr
)))
(debug:print-info 11 "db:get-runs END qrystr: " qrystr " keypatts: " keypatts " offset: " offset " limit: " count)
(vector header res)))
(define (db:get-changed-run-ids since-time)
(let* ((dbdir (db:dbfile-path #f)) ;; (configf:lookup *configdat* "setup" "dbdir"))
(alldbs (glob (conc dbdir "/[0-9]*.db")))
(changed (filter (lambda (dbfile)
(> (file-modification-time dbfile) since-time))
alldbs)))
(delete-duplicates
(map (lambda (dbfile)
(let* ((res (string-match ".*\\/(\\d)*\\.db" dbfile)))
(if res
(string->number (cadr res))
(begin
(debug:print 2 "WARNING: Failed to process " dbfile " for run-id")
0))))
changed))))
;; db:get-runs-by-patt
;; get runs by list of criteria
;; register a test run with the db
;;
;; Use: (db:get-value-by-header (db:get-header runinfo)(db:get-rows runinfo))
;; to extract info from the structure returned
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(runs-info '()))
;; First get all the runname/run-ids
(db:delay-if-busy dbdat area-dat)
(sqlite3:for-each-row
(lambda (run-id runname)
(set! runs-info (cons (list run-id runname) runs-info)))
db
"SELECT id,runname FROM runs WHERE state != 'deleted';")
;; for each run get stats data
(for-each
(lambda (run-info)
;; get the net state/status counts for this run
(let* ((run-id (car run-info))
(run-name (cadr run-info)))
(db:with-db
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(runs-info '()))
;; First get all the runname/run-ids
(db:delay-if-busy dbdat area-dat)
(sqlite3:for-each-row
(lambda (run-id runname)
(set! runs-info (cons (list run-id runname) runs-info)))
db
"SELECT id,runname FROM runs WHERE state != 'deleted' ORDER BY event_time DESC;") ;; If you change this to the more logical ASC please adjust calls to db:get-run-stats
;; for each run get stats data
(for-each
(lambda (run-info)
;; get the net state/status counts for this run
(let* ((run-id (car run-info))
(run-name (cadr run-info)))
(db:with-db
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;; db:get-runs-by-patt
;; get runs by list of criteria
;; register a test run with the db
;;
;; Use: (db:get-value-by-header (db:get-header runinfo)(db:get-rows runinfo))
;; to extract info from the structure returned
;;
(define (db:get-runs-by-patt dbstruct area-dat keys runnamepatt targpatt offset limit) ;; test-name)
(let* ((tmp (runs:get-std-run-fields keys '("id" "runname" "state" "status" "owner" "event_time")))
(keystr (car tmp))
(header (cadr tmp))
(res '())
(key-patt "")
(runwildtype (if (substring-index "%" runnamepatt) "like" "glob"))
(qry-str #f)
(keyvals (if targpatt (keys:target->keyval keys targpatt) '())))
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;; db:get-runs-by-patt
;; get runs by list of criteria
;; register a test run with the db
;;
;; Use: (db:get-value-by-header (db:get-header runinfo)(db:get-rows runinfo))
;; to extract info from the structure returned
;;
(define (db:get-runs-by-patt dbstruct area-dat keys runnamepatt targpatt offset limit fields) ;; test-name)
;; (define (db:get-runs-by-patt dbstruct keys runnamepatt targpatt offset limit fields) ;; test-name)
(let* ((tmp (runs:get-std-run-fields keys (or fields '("id" "runname" "state" "status" "owner" "event_time"))))
(keystr (car tmp))
(header (cadr tmp))
(res '())
(key-patt "")
(runwildtype (if (substring-index "%" runnamepatt) "like" "glob"))
(qry-str #f)
(keyvals (if targpatt (keys:target->keyval keys targpatt) '())))
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