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(dbh #f)
(stmt-cache (make-hash-table))
(read-only #f))
(define *dbstruct-dbs* #f)
(define *db-access-mutex* (make-mutex))
(define *no-sync-db* #f)
(define *db-sync-in-progress* #f)
(define *db-with-db-mutex* (make-mutex))
(define *max-api-process-requests* 0)
(define *api-process-request-count* 0)
(define *db-write-access* #t)
(define *db-last-sync* 0) ;; last time the sync to megatest.db happened
(define *db-multi-sync-mutex* (make-mutex)) ;; protect access to *db-sync-in-progress*, *db-last-sync*
(define (db:generic-error-printout exn . message)
(print-call-chain (current-error-port))
(apply dbfile:print-err message)
(dbfile:print-err
", error: " ((condition-property-accessor 'exn 'message) exn)
", arguments: " ((condition-property-accessor 'exn 'arguments) exn)
", location: " ((condition-property-accessor 'exn 'location) exn)
))
(define (dbfile:run-id->key run-id)
(or run-id 'main))
(define (db:safely-close-sqlite3-db db stmt-cache #!key (try-num 3))
(if (<= try-num 0)
#f
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;; succeeds (returns (#t . lock-creation-time)
;; use (db:no-sync-del! db keyname) to release the lock
;;
(define (db:no-sync-get-lock db keyname)
(sqlite3:with-transaction
db
(lambda ()
(condition-case
`(#f . ,(sqlite3:first-result db "SELECT val FROM no_sync_metadat WHERE var=?;" keyname))
(handle-exceptions
exn
(let ((lock-time (current-seconds)))
;; (debug:print-info 2 *default-log-port* "db:no-sync-get-lock keyname=" keyname ", lock-time=" lock-time ", exn=" exn)
(sqlite3:execute db "INSERT INTO no_sync_metadat (var,val) VALUES(?,?);" keyname lock-time)
`(#t . ,lock-time))
`(#f . ,(sqlite3:first-result db "SELECT val FROM no_sync_metadat WHERE var=?;" keyname))))))
(exn (io-error) (dbfile:print-err "ERROR: i/o error with no-sync db. Check permissions, disk space etc. and try again."))
(exn (corrupt) (dbfile:print-err "ERROR: database no-sync db is corrupt. Repair it to proceed."))
(exn (busy) (dbfile:print-err "ERROR: database no-sync db is locked. Try copying to another location, remove original and copy back."))
(exn (permission)(dbfile:print-err "ERROR: database no-sync db has some permissions problem."))
(exn (done)
(let ((lock-time (current-seconds)))
;; (debug:print-info 2 *default-log-port* "db:no-sync-get-lock keyname=" keyname ", lock-time=" lock-time ", exn=" exn)
(sqlite3:execute db "INSERT OR REPLACE INTO no_sync_metadat (var,val) VALUES(?,?);" keyname lock-time)
`(#t . ,lock-time)))
(exn ()
(dbfile:print-err "ERROR: Unknown error with database no-sync db message: exn="(condition->list exn)", \n" ((condition-property-accessor 'exn 'message) exn))
`(#f . ,(current-seconds)))))))
(define (db:no-sync-get-lock-timeout db keyname timeout)
(let* ((lockdat (db:no-sync-get-lock db keyname)))
(match lockdat
((#f . lock-time)
(if (> (- (current-seconds) (if (string? lock-time)(string->number lock-time)lock-time)) timeout)
(let ((lock-time (current-seconds)))
;; (debug:print-info 2 *default-log-port* "db:no-sync-get-lock keyname=" keyname ", lock-time=" lock-time ", exn=" exn)
(sqlite3:execute db "INSERT OR REPLACE INTO no_sync_metadat (var,val) VALUES(?,?);" keyname lock-time)
`(#t . ,lock-time))
lockdat))
(else lockdat))))
;;======================================================================
;; sync back functions pulled from db.scm
;;======================================================================
;; Get a lock from the no-sync-db for the from-db, then delta sync the from-db to the to-db, otherwise return #f
;;
(define (db:lock-and-delta-sync no-sync-db dbstruct from-db-file runid keys dbinit)
(assert (not *db-sync-in-progress*) "FATAL: db:lock-and-sync called while a sync is in progress.")
;; (dbfile:print-err *default-log-port* "db:lock-and-delta-sync")
(let* ((lock-file (conc from-db-file ".lock")))
(if (common:simple-file-lock lock-file)
(begin
(dbfile:print-err "INFO: db:lock-and-delta-sync copying db "runid" at "(current-seconds))
(set! *db-sync-in-progress* #t)
(db:sync-touched dbstruct runid keys dbinit)
(set! *db-sync-in-progress* #f)
(delete-file* lock-file)
#t)
(begin
(dbfile:print-err "INFO: could not get lock for " from-db-file ", sync likely in progress.")
#f
))))
;; ;; Get a lock from the no-sync-db for the from-db, then delta sync the from-db to the to-db, otherwise return #f
;; ;;
;; (define (db:lock-and-delta-sync-orig no-sync-db dbstruct from-db-file runid keys dbinit)
;; (assert (not *db-sync-in-progress*) "FATAL: db:lock-and-sync called while a sync is in progress.")
;; ;; (dbfile:print-err *default-log-port* "db:lock-and-delta-sync")
;; (let* ((lockdat (db:no-sync-get-lock-timeout no-sync-db from-db-file 60))
;; (gotlock (car lockdat))
;; (locktime (cdr lockdat)))
;; ;; (debug:print-info 3 *default-log-port* "db:lock-and-delta-sync: got lock?")
;;
;; (if gotlock
;; (begin
;; (dbfile:print-err "INFO: db:lock-and-delta-sync copying db "runid" at "(current-seconds))
;; (set! *db-sync-in-progress* #t)
;; (db:sync-touched dbstruct runid keys dbinit)
;; (set! *db-sync-in-progress* #f)
;; (db:no-sync-del! no-sync-db from-db-file)
;; #t)
;; (begin
;; (dbfile:print-err "ERROR: could not get lock for " from-db-file " from no-sync-db")
;; #f
;; ))))
;; sync run from tmp disk to nfs disk if touched
;;
;; call with dbinit=db:initialize-main-db
;;
(define (db:sync-touched dbstruct run-id keys #!key dbinit (force-sync #f))
(dbfile:print-err "db:sync-touched Syncing: " (conc (if run-id run-id "main") ".db"))
(let* (;; the subdb is needed to access the mtdbdat
(subdb (or (dbfile:get-subdb dbstruct run-id)
(dbfile:init-subdb dbstruct run-id dbinit)))
(tmpdbfile (dbr:subdb-tmpdbfile subdb))
(mtdb (dbr:subdb-mtdbdat subdb))
(tmpdb (dbfile:open-db dbstruct run-id dbinit)) ;; sqlite3-db tmpdbfile #f))
(start-t (current-seconds)))
(mutex-lock! *db-multi-sync-mutex*)
(let ((update_info (cons "last_update" (if force-sync 0 *db-last-sync*) )))
(mutex-unlock! *db-multi-sync-mutex*)
(db:sync-tables (db:sync-all-tables-list dbstruct keys) update_info tmpdb mtdb))
(mutex-lock! *db-multi-sync-mutex*)
(set! *db-last-sync* start-t)
(set! *db-last-access* start-t)
(mutex-unlock! *db-multi-sync-mutex*)
(dbfile:add-dbdat dbstruct run-id tmpdb)
#t))
;; just tests, test_steps and test_data tables
(define db:sync-tests-only
(list
;; (list "strs"
;; '("id" #f)
;; '("str" #f))
(list "tests"
'("id" #f)
'("run_id" #f)
'("testname" #f)
'("host" #f)
'("cpuload" #f)
'("diskfree" #f)
'("uname" #f)
'("rundir" #f)
'("shortdir" #f)
'("item_path" #f)
'("state" #f)
'("status" #f)
'("attemptnum" #f)
'("final_logf" #f)
'("logdat" #f)
'("run_duration" #f)
'("comment" #f)
'("event_time" #f)
'("fail_count" #f)
'("pass_count" #f)
'("archived" #f)
'("last_update" #f))
(list "test_steps"
'("id" #f)
'("test_id" #f)
'("stepname" #f)
'("state" #f)
'("status" #f)
'("event_time" #f)
'("comment" #f)
'("logfile" #f)
'("last_update" #f))
(list "test_data"
'("id" #f)
'("test_id" #f)
'("category" #f)
'("variable" #f)
'("value" #f)
'("expected" #f)
'("tol" #f)
'("units" #f)
'("comment" #f)
'("status" #f)
'("type" #f)
'("last_update" #f))))
;; needs db to get keys, this is for syncing all tables
;;
(define (db:sync-main-list dbstruct keys)
(let ((keys keys)) ;; (db:get-keys dbstruct)))
(list
(list "keys"
'("id" #f)
'("fieldname" #f)
'("fieldtype" #f))
(list "metadat" '("var" #f) '("val" #f))
(append (list "runs"
'("id" #f))
(map (lambda (k)(list k #f))
(append keys
(list "runname" "state" "status" "owner" "event_time" "comment" "fail_count" "pass_count" "contour" "last_update"))))
(list "archive_disks"
'("id" #f)
'("archive_area_name" #f)
'("disk_path" #f)
'("last_df" #f)
'("last_df_time" #f)
'("creation_time" #f))
(list "archive_blocks"
'("id" #f)
'("archive_disk_id" #f)
'("disk_path" #f)
'("last_du" #f)
'("last_du_time" #f)
'("creation_time" #f))
(list "test_meta"
'("id" #f)
'("testname" #f)
'("owner" #f)
'("description" #f)
'("reviewed" #f)
'("iterated" #f)
'("avg_runtime" #f)
'("avg_disk" #f)
'("tags" #f)
'("jobgroup" #f)))))
(define (db:sync-all-tables-list dbstruct keys)
(append (db:sync-main-list dbstruct keys)
db:sync-tests-only))
;; tbls is ( ("tablename" ( "field1" [#f|proc1] ) ( "field2" [#f|proc2] ) .... ) )
;; db's are dbdat's
;;
;; if last-update specified ("field-name" . time-in-seconds)
;; then sync only records where field-name >= time-in-seconds
;; IFF field-name exists
;;
(define (db:sync-tables tbls last-update fromdb todb . slave-dbs)
(handle-exceptions
exn
(begin
(dbfile:print-err "EXCEPTION: database probably overloaded or unreadable in db:sync-tables.")
(print-call-chain (current-error-port))
(dbfile:print-err " message: " ((condition-property-accessor 'exn 'message) exn))
(dbfile:print-err "exn=" (condition->list exn))
(dbfile:print-err " status: " ((condition-property-accessor 'sqlite3 'status) exn))
(dbfile:print-err " src db: " (dbr:dbdat-dbfile fromdb))
(for-each (lambda (dbdat)
(let ((dbpath (dbr:dbdat-dbfile dbdat)))
(dbfile:print-err " dbpath: " dbpath)
(if #t ;; (not (db:repair-db dbdat))
(begin
(dbfile:print-err "Failed to rebuild (repair is turned off) " dbpath ", exiting now.")
(exit)))))
(cons todb slave-dbs))
0)
;; this is the work to be done")
(cond
((not fromdb) (dbfile:print-err "WARNING: db:sync-tables called with fromdb missing")
-1)
((not todb) (dbfile:print-err "WARNING: db:sync-tables called with todb missing")
-2)
((not (sqlite3:database? (dbr:dbdat-dbh fromdb)))
(dbfile:print-err "db:sync-tables called with fromdb not a database " fromdb)
-3)
((not (sqlite3:database? (dbr:dbdat-dbh todb)))
(dbfile:print-err "db:sync-tables called with todb not a database " todb)
-4)
((not (file-write-access? (dbr:dbdat-dbfile todb)))
(dbfile:print-err "db:sync-tables called with todb not a read-only database " todb)
-5)
((not (null? (let ((readonly-slave-dbs
(filter
(lambda (dbdat)
(not (file-write-access? (dbr:dbdat-dbfile todb))))
slave-dbs)))
(for-each
(lambda (bad-dbdat)
(dbfile:print-err "db:sync-tables called with todb not a read-only database " bad-dbdat))
readonly-slave-dbs)
readonly-slave-dbs))) -6)
(else
(dbfile:print-err "db:sync-tables: args are good")
(let ((stmts (make-hash-table)) ;; table-field => stmt
(all-stmts '()) ;; ( ( stmt1 value1 ) ( stml2 value2 ))
(numrecs (make-hash-table))
(start-time (current-milliseconds))
(tot-count 0))
(for-each ;; table
(lambda (tabledat)
(let* ((tablename (car tabledat))
(fields (cdr tabledat))
(has-last-update (member "last_update" fields))
(use-last-update (cond
((and has-last-update
(member "last_update" fields))
#t) ;; if given a number, just use it for all fields
((number? last-update) #f) ;; if not matched first entry then ignore last-update for this table
((and (pair? last-update)
(member (car last-update) ;; last-update field name
(map car fields)))
#t)
((and last-update (not (pair? last-update)) (not (number? last-update)))
(dbfile:print-err "ERROR: parameter last-update for db:sync-tables must be a pair or a number, received: " last-update);; found in fields
#f)
(else
#f)))
(last-update-value (if use-last-update ;; no need to check for has-last-update - it is already accounted for
(if (number? last-update)
last-update
(cdr last-update))
#f))
(last-update-field (if use-last-update
(if (number? last-update)
"last_update"
(car last-update))
#f))
(num-fields (length fields))
(field->num (make-hash-table))
(num->field (apply vector (map car fields))) ;; BBHERE
(full-sel (conc "SELECT " (string-intersperse (map car fields) ",")
" FROM " tablename (if use-last-update ;; apply last-update criteria
(conc " WHERE " last-update-field " >= " last-update-value)
"")
";"))
(full-ins (conc "INSERT OR REPLACE INTO " tablename " ( " (string-intersperse (map car fields) ",") " ) "
" VALUES ( " (string-intersperse (make-list num-fields "?") ",") " );"))
(fromdat '())
(fromdats '())
(totrecords 0)
(batch-len 100) ;; (string->number (or (configf:lookup *configdat* "sync" "batchsize") "100")))
(todat (make-hash-table))
(count 0)
(field-names (map car fields))
(delay-handicap 0) ;; (string->number (or (configf:lookup *configdat* "sync" "delay-handicap") "0")))
)
;; set up the field->num table
(for-each
(lambda (field)
(hash-table-set! field->num field count)
(set! count (+ count 1)))
fields)
;; read the source table
;; store a list of all rows in the table in fromdat, up to batch-len.
;; Then add fromdat to the fromdats list, clear fromdat and repeat.
(sqlite3:for-each-row
(lambda (a . b)
(set! fromdat (cons (apply vector a b) fromdat))
(if (> (length fromdat) batch-len)
(begin
(set! fromdats (cons fromdat fromdats))
(set! fromdat '())
(set! totrecords (+ totrecords 1)))
)
)
(dbr:dbdat-dbh fromdb)
full-sel)
;; Count less than batch-len as a record
(if (> (length fromdat) 0)
(set! totrecords (+ totrecords 1)))
;; tack on remaining records in fromdat
(if (not (null? fromdat))
(set! fromdats (cons fromdat fromdats)))
(if (common:low-noise-print 120 "sync-records")
(dbfile:print-err "found " totrecords " records to sync"))
(sqlite3:for-each-row
(lambda (a . b)
(hash-table-set! todat a (apply vector a b)))
(dbr:dbdat-dbh todb)
full-sel)
(when (and delay-handicap (> delay-handicap 0))
(dbfile:print-err "imposing synthetic sync delay of "delay-handicap" seconds since sync/delay-handicap is configured")
(thread-sleep! delay-handicap)
(dbfile:print-err "synthetic sync delay of "delay-handicap" seconds completed")
)
;; first pass implementation, just insert all changed rows
(for-each
(lambda (targdb)
(let* ((db (dbr:dbdat-dbh targdb))
(drp-trigger (if (member "last_update" field-names)
(db:drop-trigger db tablename)
#f))
(has-last-update (member "last_update" field-names))
(is-trigger-dropped (if has-last-update
(db:is-trigger-dropped db tablename)
#f))
(stmth (sqlite3:prepare db full-ins))
(changed-rows 0))
;; (db:delay-if-busy targdb) ;; NO WAITING
(if (and
has-last-update
(common:low-noise-print 120 "is-trigger-dropped"))
(dbfile:print-err "is-trigger-dropped: " is-trigger-dropped))
(for-each
(lambda (fromdat-lst)
(sqlite3:with-transaction
db
(lambda ()
(for-each ;;
(lambda (fromrow)
(let* ((a (vector-ref fromrow 0))
(curr (hash-table-ref/default todat a #f))
(same #t))
(let loop ((i 0))
(if (or (not curr)
(not (equal? (vector-ref fromrow i)(vector-ref curr i))))
(set! same #f))
(if (and same
(< i (- num-fields 1)))
(loop (+ i 1))))
(if (not same)
(begin
(apply sqlite3:execute stmth (vector->list fromrow))
(hash-table-set! numrecs tablename (+ 1 (hash-table-ref/default numrecs tablename 0)))
(set! changed-rows (+ changed-rows 1))
)
)
))
fromdat-lst))))
fromdats)
(if (> changed-rows 0)
(dbfile:print-err "table " tablename " changed rows: " changed-rows)
)
(sqlite3:finalize! stmth)
(if (member "last_update" field-names)
(db:create-trigger db tablename))))
(append (list todb) slave-dbs)
)
)
)
tbls)
(let* ((runtime (- (current-milliseconds) start-time))
(should-print (or ;; (debug:debug-mode 12)
(common:low-noise-print 120 "db sync" (> runtime 500))))) ;; low and high sync times treated as separate.
(if should-print (dbfile:print-err "INFO: db sync, total run time " runtime " ms"))
(for-each
(lambda (dat)
(let ((tblname (car dat))
(count (cdr dat)))
(set! tot-count (+ tot-count count))
(if (> count 0)
(if should-print (dbfile:print-err "FIXME: tblname: " tblname", count: "count" "))))) ;; (format #f " ~10a ~5a" tblname count))))))
(sort (hash-table->alist numrecs)(lambda (a b)(> (cdr a)(cdr b))))))
tot-count)))))
;;======================================================================
;; trigger setup/takedown
;;======================================================================
(define db:trigger-list
(list (list "update_runs_trigger" "CREATE TRIGGER IF NOT EXISTS update_runs_trigger AFTER UPDATE ON runs
FOR EACH ROW
BEGIN
UPDATE runs SET last_update=(strftime('%s','now'))
WHERE id=old.id;
END;" )
(list "update_run_stats_trigger" "CREATE TRIGGER IF NOT EXISTS update_run_stats_trigger AFTER UPDATE ON run_stats
FOR EACH ROW
BEGIN
UPDATE run_stats SET last_update=(strftime('%s','now'))
WHERE id=old.id;
END;" )
(list "update_tests_trigger" "CREATE TRIGGER IF NOT EXISTS update_tests_trigger AFTER UPDATE ON tests
FOR EACH ROW
BEGIN
UPDATE tests SET last_update=(strftime('%s','now'))
WHERE id=old.id;
END;" )
(list "update_teststeps_trigger" "CREATE TRIGGER IF NOT EXISTS update_teststeps_trigger AFTER UPDATE ON test_steps
FOR EACH ROW
BEGIN
UPDATE test_steps SET last_update=(strftime('%s','now'))
WHERE id=old.id;
END;" )
(list "update_test_data_trigger" "CREATE TRIGGER IF NOT EXISTS update_test_data_trigger AFTER UPDATE ON test_data
FOR EACH ROW
BEGIN
UPDATE test_data SET last_update=(strftime('%s','now'))
WHERE id=old.id;
END;" )))
;;
;; ADD run-id SUPPORT
;;
(define (db:create-all-triggers dbstruct)
(db:with-db
dbstruct #f #f
(lambda (dbdat db)
(db:create-triggers db))))
(define (db:create-triggers db)
(for-each (lambda (key)
(sqlite3:execute db (cadr key)))
db:trigger-list))
(define (db:drop-all-triggers dbstruct)
(db:with-db
dbstruct #f #f
(lambda (dbdat db)
(db:drop-triggers db))))
(define (db:is-trigger-dropped db tbl-name)
(let* ((trigger-name (if (equal? tbl-name "test_steps")
"update_teststeps_trigger"
(conc "update_" tbl-name "_trigger")))
(res #f))
(sqlite3:for-each-row
(lambda (name)
(if (equal? name trigger-name)
(set! res #t)))
db
"SELECT name FROM sqlite_master WHERE type = 'trigger' ;")
res))
(define (db:drop-triggers db)
(for-each
(lambda (key)
(sqlite3:execute db (conc "drop trigger if exists " (car key))))
db:trigger-list))
(define (db:drop-trigger db tbl-name)
(let* ((trigger-name (if (equal? tbl-name "test_steps")
"update_teststeps_trigger"
(conc "update_" tbl-name "_trigger"))))
(for-each
(lambda (key)
(if (equal? (car key) trigger-name)
(sqlite3:execute db (conc "drop trigger if exists " trigger-name))))
db:trigger-list)))
(define (db:create-trigger db tbl-name)
(let* ((trigger-name (if (equal? tbl-name "test_steps")
"update_teststeps_trigger"
(conc "update_" tbl-name "_trigger"))))
(for-each (lambda (key)
(if (equal? (car key) trigger-name)
(sqlite3:execute db (cadr key))))
db:trigger-list)))
;;======================================================================
;; db access stuff
;;======================================================================
;; call with dbinit=db:initialize-main-db
;;
(define (db:open-db dbstruct run-id dbinit)
(let* ((dbdat (dbfile:open-db dbstruct run-id dbinit)))
(set! *db-write-access* (not (dbr:dbdat-read-only dbdat)))
dbdat))
(define dbfile:db-init-proc (make-parameter #f))
;; (db:with-db dbstruct run-id sqlite3:exec "select blah fgrom blaz;")
;; r/w is a flag to indicate if the db is modified by this query #t = yes, #f = no
;;
(define (db:with-db dbstruct run-id r/w proc . params)
(let* ((have-struct (dbr:dbstruct? dbstruct))
(dbdat (if have-struct ;; this stuff just allows us to call with a db handle directly
(db:open-db dbstruct run-id (dbfile:db-init-proc)) ;; (dbfile:get-subdb dbstruct run-id)
#f))
(db (if have-struct ;; this stuff just allows us to call with a db handle directly
(dbr:dbdat-dbh dbdat)
dbstruct))
(fname (if dbdat
(dbr:dbdat-dbfile dbdat)
"nofilenameavailable"))
#;(subdb (if have-struct
(dbfile:get-subdb dbstruct run-id)
#f))
(use-mutex (> *api-process-request-count* 25))) ;; was 25
(if (and use-mutex
(common:low-noise-print 120 "over-50-parallel-api-requests"))
(dbfile:print-err *api-process-request-count* " parallel api requests being processed in process " (current-process-id) ", throttling access"))
(if (common:low-noise-print 600 (conc "parallel-api-requests" *max-api-process-requests*))
(dbfile:print-err "Parallel api request count: " *api-process-request-count* " max parallel requests: " *max-api-process-requests*))
(condition-case
(begin
(if use-mutex (mutex-lock! *db-with-db-mutex*))
(let ((res (apply proc dbdat db params)))
(if use-mutex (mutex-unlock! *db-with-db-mutex*))
;; (if (vector? dbstruct)(db:done-with dbstruct run-id r/w))
(if dbdat
(dbfile:add-dbdat dbstruct run-id dbdat))
res))
(exn (io-error)
(db:generic-error-printout exn "ERROR: i/o error with " fname ". Check permissions, disk space etc. and try again."))
(exn (corrupt)
(db:generic-error-printout exn "ERROR: database " fname " is corrupt. Repair it to proceed."))
(exn (busy)
(db:generic-error-printout exn "ERROR: database " fname
" is locked. Try copying to another location, remove original and copy back."))
(exn (permission)(db:generic-error-printout exn "ERROR: database " fname " has some permissions problem."))
(exn ()
(db:generic-error-printout exn "ERROR: Unknown error with database " fname " message: "
((condition-property-accessor 'exn 'message) exn))))))
;;======================================================================
;; file utils
;;======================================================================
;;======================================================================
;; lazy-safe get file mod time. on any error (file not existing etc.) return 0
|