Megatest

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

;;======================================================================
;; Database access
;;======================================================================

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

(declare (unit db))
(declare (uses common))
(declare (uses keys))
(declare (uses ods))







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

;;======================================================================
;; Database access
;;======================================================================

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

(declare (unit db))
(declare (uses common))
(declare (uses keys))
(declare (uses ods))
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     exn
     (begin
       (debug:print 0 "ERROR: Couldn't create path to " dbdir)
       (exit 1))
     (if (not (directory? dbdir))(create-directory dbdir #t)))
    (conc dbdir fname)))
	       





















;; This routine creates the db. It is only called if the db is not already opened
;; 
(define (db:open-rundb dbstruct run-id) ;;  (conc *toppath* "/megatest.db") (car *configinfo*)))
  (let* ((local  (dbr:dbstruct-get-local dbstruct))
	 (rdb    (if local
		     (dbr:dbstruct-get-localdb dbstruct run-id)
		     (dbr:dbstruct-get-inmem dbstruct)))) ;; (dbr:dbstruct-get-runrec dbstruct run-id 'inmem)))
    (if rdb
	rdb
	(let* ((dbpath       (db:dbfile-path run-id)) ;; (conc toppath "/db/" run-id ".db"))
	       (dbexists     (file-exists? dbpath))
	       (inmem        (if local #f (db:open-inmem-db)))
	       (refdb        (if local #f (db:open-inmem-db)))









	       (db           (sqlite3:open-database dbpath))
	       (olddb        (db:open-megatest-db))
	       (write-access (file-write-access? dbpath))
	       (handler      (make-busy-timeout 136000)))
	  (if (and dbexists (not write-access))
	      (set! *db-write-access* #f)) ;; only unset so other db's also can use this control
	  (if write-access
	      (begin
		(if (not dbexists)
		    (begin
		      (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');"
		       (* run-id 30000) ;; allow for up to 30k tests per run
		       run-id)
		      )) ;; add strings db to rundb, not in use yet
		(sqlite3:set-busy-handler! db handler)
		(sqlite3:execute db "PRAGMA synchronous = 0;"))) ;; was 0 but 0 is a gamble, changed back to 0
	  (dbr:dbstruct-set-rundb!  dbstruct db)
	  (dbr:dbstruct-set-inuse!  dbstruct #t)
	  (dbr:dbstruct-set-olddb!  dbstruct olddb)
	  ;; (dbr:dbstruct-set-run-id! dbstruct run-id)
	  (if local
	      (begin
		(dbr:dbstruct-set-localdb! dbstruct run-id db) ;; (dbr:dbstruct-set-inmem! dbstruct db) ;; direct access ...







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     exn
     (begin
       (debug:print 0 "ERROR: Couldn't create path to " dbdir)
       (exit 1))
     (if (not (directory? dbdir))(create-directory dbdir #t)))
    (conc dbdir fname)))
	       
;; open an sql database inside a file lock
;;
;; returns: db existed-prior-to-opening
;;
(define (db:lock-create-open fname initproc)
  (if (file-exists? fname)
      ;; (values 
      (sqlite3:open-database fname) ;; #t)
      (let* ((parent-dir   (pathname-directory fname))
	     (dir-writable (file-write-access? parent-dir)))
	(if dir-writable
	    (begin
	      (obtain-dot-lock fname 1 5 10)
	      (let ((db (sqlite3:open-database fname)))
		(initproc db)
		(release-dot-lock fname)
		db)) ;; (values db #f)))
	    #f ;;(values #f #f)
	    ))))
	 

;; This routine creates the db. It is only called if the db is not already opened
;; 
(define (db:open-rundb dbstruct run-id) ;;  (conc *toppath* "/megatest.db") (car *configinfo*)))
  (let* ((local  (dbr:dbstruct-get-local dbstruct))
	 (rdb    (if local
		     (dbr:dbstruct-get-localdb dbstruct run-id)
		     (dbr:dbstruct-get-inmem dbstruct)))) ;; (dbr:dbstruct-get-runrec dbstruct run-id 'inmem)))
    (if rdb
	rdb
	(let* ((dbpath       (db:dbfile-path run-id)) ;; (conc toppath "/db/" run-id ".db"))
	       (dbexists     (file-exists? dbpath))
	       (inmem        (if local #f (db:open-inmem-db)))
	       (refdb        (if local #f (db:open-inmem-db)))
	       (db           (db:lock-create-open dbpath 
						  (lambda (db)
						    (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');"
						     (* run-id 30000) ;; allow for up to 30k tests per run
						     run-id)
						    ))) ;; add strings db to rundb, not in use yet
	       ;;   )) ;; (sqlite3:open-database dbpath))
	       (olddb        (db:open-megatest-db))
	       (write-access (file-write-access? dbpath))
	       (handler      (make-busy-timeout 136000)))
	  (if (and dbexists (not write-access))
	      (set! *db-write-access* #f)) ;; only unset so other db's also can use this control
	  ;;(if write-access
	  ;;    (begin
	  ;;      (if (not dbexists)
	  ;;          (begin
	  ;;            (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');"
	  ;;             (* run-id 30000) ;; allow for up to 30k tests per run
	  ;;             run-id)
	  ;;            )) ;; add strings db to rundb, not in use yet
	  ;;      (sqlite3:set-busy-handler! db handler)
	  ;;      (sqlite3:execute db "PRAGMA synchronous = 0;"))) ;; was 0 but 0 is a gamble, changed back to 0
	  (dbr:dbstruct-set-rundb!  dbstruct db)
	  (dbr:dbstruct-set-inuse!  dbstruct #t)
	  (dbr:dbstruct-set-olddb!  dbstruct olddb)
	  ;; (dbr:dbstruct-set-run-id! dbstruct run-id)
	  (if local
	      (begin
		(dbr:dbstruct-set-localdb! dbstruct run-id db) ;; (dbr:dbstruct-set-inmem! dbstruct db) ;; direct access ...