Megatest

	  ;; (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 ...
		db)
	      (begin
		(dbr:dbstruct-set-inmem!  dbstruct inmem)
		;; dec 14, 2014 - keep deleted records available. hunch is that they are needed for id placeholders
		;; (sqlite3:execute db "DELETE FROM tests WHERE state='DELETED';") ;; they just slow us down in this context
		(db:sync-tables db:sync-tests-only db inmem)
		(db:delay-if-busy refdb) ;; dbpath: (db:dbdat-get-path refdb)) ;; What does delaying here achieve? 
		(dbr:dbstruct-set-refdb!  dbstruct refdb)
		(db:sync-tables db:sync-tests-only inmem refdb) ;; use inmem as the reference, don't read again from db
		;; sync once more to deal with delays?
		;; (db:sync-tables db:sync-tests-only db inmem)
		;; (db:sync-tables db:sync-tests-only inmem refdb)
		inmem))))))

;; This routine creates the db. It is only called if the db is not already ls opened
;;
(define (db:open-main dbstruct) ;;  (conc *toppath* "/megatest.db") (car *configinfo*)))
  (let ((mdb (dbr:dbstruct-get-main dbstruct)))
    (if mdb

	(inmem  (dbr:dbstruct-get-inmem dbstruct))
	(maindb (dbr:dbstruct-get-main  dbstruct))
	(refdb  (dbr:dbstruct-get-refdb dbstruct))
	(olddb  (dbr:dbstruct-get-olddb dbstruct))
	;; (runid  (dbr:dbstruct-get-run-id dbstruct))
	)
    (debug:print-info 4 "Syncing for run-id: " run-id)
    ;; (mutex-lock! *http-mutex*)
    (if (eq? run-id 0)
	;; runid equal to 0 is main.db
	(if maindb
	    (if (or (not (number? mtime))
		    (not (number? stime))
		    (> mtime stime)
		    force-sync)

	(if (or (not (number? mtime))
		(not (number? stime))
		(> mtime stime)
		force-sync)
	    (begin
	      (db:delay-if-busy rundb)
	      (db:delay-if-busy olddb)

	      (dbr:dbstruct-set-stime! dbstruct (current-milliseconds))
	      (let ((num-synced (db:sync-tables db:sync-tests-only inmem refdb rundb olddb)))
		;; (mutex-unlock! *http-mutex*)
		num-synced)
	      (begin
		;; (mutex-unlock! *http-mutex*)
		0))))))

(define (db:close-main dbstruct)
  (let ((maindb (dbr:dbstruct-get-main dbstruct)))
    (if maindb
	(begin
	  (sqlite3:finalize! (db:dbdat-get-db maindb))

     (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.")))))

	 ;; (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)
    ((not todb)   (debug:print 3 "WARNING: db:sync-tables called with todb missing") -2)
    ((not (sqlite3:database? (db:dbdat-get-db fromdb)))
     (debug:print 0 "ERROR: db:sync-tables called with fromdb not a database " fromdb) -3)
    ((not (sqlite3:database? (db:dbdat-get-db todb)))
     (debug:print 0 "ERROR: db:sync-tables called with todb not a database " todb) -4)

	       (if (> (length fromdat) batch-len)
		   (begin
		     (set! fromdats (cons fromdat fromdats))
		     (set! fromdat  '())
		     (set! totrecords (+ totrecords 1)))))
	     (db:dbdat-get-db fromdb)
	     full-sel)
	    
	    ;; tack on remaining records in fromdat
	    (if (not (null? fromdat))
		(set! fromdats (cons fromdat fromdats)))

	    (debug:print-info 2 "found " totrecords " records to sync")

	    ;; read the target table
	    (sqlite3:for-each-row
	     (lambda (a . b)
	       (hash-table-set! todat a (apply vector a b)))

;;
;;  run-ids: '(1 2 3 ...) or #f (for all)
;;
(define (db:multi-db-sync run-ids . options)
  (let* ((toppath  (launch:setup-for-run))
	 (dbstruct (if toppath (make-dbr:dbstruct path: toppath) #f))
	 (mtdb     (if toppath (db:open-megatest-db)))
	 (allow-cleanup (if run-ids #f #t))
	 (run-ids  (if run-ids 
		       run-ids
		       (if toppath (begin
				     (db:delay-if-busy mtdb)
				     (db:get-all-run-ids mtdb)))))
	 (tdbdat  (tasks:open-db))
	 (servers (tasks:get-all-servers (db:delay-if-busy tdbdat))))

		   (dbstruct (if toppath (make-dbr:dbstruct path: toppath local: #t) #f)))
	       (debug:print 0 "INFO: Propagating " (length testrecs) " records for run-id=" run-id " to run specific db")
	       (db:replace-test-records dbstruct run-id testrecs)
	       (sqlite3:finalize! (db:dbdat-get-db (dbr:dbstruct-get-rundb dbstruct)))))
	   run-ids)))

    ;; now ensure all newdb data are synced to megatest.db
    ;; do not use the run-ids list passed in to the function
    ;;
    (if (member 'new2old options)
	(let* ((maindb      (make-dbr:dbstruct path: toppath local: #t))
	       (src-run-ids (db:get-all-run-ids (db:dbdat-get-db (db:get-db maindb 0))))
	       (all-run-ids (sort (delete-duplicates (cons 0 src-run-ids)) <))
	       (count       1)
	       (total       (length all-run-ids))
	       (dead-runs  '()))
	  (for-each
	   (lambda (run-id)
	     (debug:print 0 "Processing run " (if (eq? run-id 0) " main.db " run-id) ", " count " of " total)
	     (set! count (+ count 1))
	     (let* ((fromdb (if toppath (make-dbr:dbstruct path: toppath local: #t) #f))
		    (frundb (db:dbdat-get-db (db:get-db fromdb run-id))))
	       ;; (db:delay-if-busy frundb)
	       ;; (db:delay-if-busy mtdb)
	       ;; (db:clean-up frundb)
	       (if (eq? run-id 0)
		   (begin
		     (db:sync-tables (db:sync-main-list dbstruct) (db:get-db fromdb #f) mtdb)
		     (set! dead-runs (db:clean-up-maindb (db:get-db fromdb #f))))
		   (begin
		     ;; NB// must sync first to ensure deleted tests get marked as such in megatest.db
		     (db:sync-tables db:sync-tests-only (db:get-db fromdb run-id) mtdb)
		     (db:clean-up-rundb (db:get-db fromdb run-id))
		     ))))
	   all-run-ids)
	  ;; removed deleted runs
	  (let ((dbdir (tasks:get-task-db-path)))
	    (for-each (lambda (run-id)
			(let ((fullname (conc dbdir "/" run-id ".db")))
			  (if (file-exists? fullname)
			      (begin
				(debug:print 0 "Removing database file for deleted run " fullname)
				(delete-file fullname)))))
		      dead-runs))))
    ;; (db:close-all dbstruct)
    ;; (sqlite3:finalize! mdb)
    ))

;; keeping it around for debugging purposes only
(define (open-run-close-no-exception-handling  proc idb . params)
  (debug:print-info 11 "open-run-close-no-exception-handling START given a db=" (if idb "yes " "no ") ", params=" params)

                                     reviewed    TIMESTAMP,
                                     iterated    TEXT DEFAULT '',
                                     avg_runtime REAL,
                                     avg_disk    REAL,
                                     tags        TEXT DEFAULT '',
                                     jobgroup    TEXT DEFAULT 'default',
                                CONSTRAINT test_meta_constraint UNIQUE (testname));")
       (sqlite3:execute db "CREATE TABLE IF NOT EXISTS tasks_queue (id INTEGER PRIMARY KEY,
                                action TEXT DEFAULT '',
                                owner TEXT,
                                state TEXT DEFAULT 'new',
                                target TEXT DEFAULT '',
                                name TEXT DEFAULT '',
                                testpatt TEXT DEFAULT '',
                                keylock TEXT,
                                params TEXT,
                                creation_time TIMESTAMP DEFAULT (strftime('%s','now')),
                                execution_time TIMESTAMP);")
       ;; archive disk areas, cached info from [archive-disks]
       (sqlite3:execute db "CREATE TABLE IF NOT EXISTS archive_disks (
                                id INTEGER PRIMARY KEY,
                                archive_area_name TEXT,
                                disk_path TEXT,
                                last_df INTEGER DEFAULT -1,
                                last_df_time TIMESTAMP DEFAULT (strftime('%s','now')),
                                creation_time TIMESTAMP DEFAULT (strftime('%','now')));")
       ;; individual bup (or tar) data chunks
       (sqlite3:execute db "CREATE TABLE IF NOT EXISTS archive_blocks (
                                id INTEGER PRIMARY KEY,
                                archive_disk_id INTEGER,
                                disk_path TEXT,
                                last_du INTEGER DEFAULT -1,
                                last_du_time TIMESTAMP DEFAULT (strftime('%s','now')),
                                creation_time TIMESTAMP DEFAULT (strftime('%','now')));")
       ;; tests allocated to what chunks. reusing a chunk for a test/item_path is very efficient
       ;; NB// the per run/test recording of where the archive is stored is done in the test
       ;;      record. 
       (sqlite3:execute db "CREATE TABLE IF NOT EXISTS archive_allocations (
                                id INTEGER PRIMARY KEY,
                                archive_block_id INTEGER,
                                testname TEXT,
                                item_path TEXT,
                                creation_time TIMESTAMP DEFAULT (strftime('%','now')));")
       ;; move this clean up call somewhere else
       (sqlite3:execute db "DELETE FROM tasks_queue WHERE state='done' AND creation_time < ?;" (- (current-seconds)(* 24 60 60))) ;; remove older than 24 hrs
       (sqlite3:execute db (conc "CREATE INDEX IF NOT EXISTS runs_index ON runs (runname" (if havekeys "," "") keystr ");"))
       ;; (sqlite3:execute db "CREATE VIEW runs_tests AS SELECT * FROM runs INNER JOIN tests ON runs.id=tests.run_id;")
       (sqlite3:execute db "CREATE TABLE IF NOT EXISTS extradat (id INTEGER PRIMARY KEY, run_id INTEGER, key TEXT, val TEXT);")
       (sqlite3:execute db "CREATE TABLE IF NOT EXISTS metadat (id INTEGER PRIMARY KEY, var TEXT, val TEXT,
                                  CONSTRAINT metadat_constraint UNIQUE (var));")
       (sqlite3:execute db "CREATE TABLE IF NOT EXISTS access_log (id INTEGER PRIMARY KEY, user TEXT, accessed TIMESTAMP, args TEXT);")
       ;; Must do this *after* running patch db !! No more. 

                     final_logf   TEXT      DEFAULT 'logs/final.log',
                     logdat       TEXT      DEFAULT '', 
                     run_duration INTEGER   DEFAULT 0,
                     comment      TEXT      DEFAULT '',
                     event_time   TIMESTAMP DEFAULT (strftime('%s','now')),
                     fail_count   INTEGER   DEFAULT 0,
                     pass_count   INTEGER   DEFAULT 0,
                     archived     INTEGER   DEFAULT 0, -- 0=no, > 1=archive block id where test data can be found
                        CONSTRAINT testsconstraint UNIQUE (run_id, testname, item_path));")
     (sqlite3:execute db "CREATE INDEX IF NOT EXISTS tests_index ON tests (run_id, testname, item_path);")
     (sqlite3:execute db "CREATE TABLE IF NOT EXISTS test_steps 
                              (id INTEGER PRIMARY KEY,
                               test_id INTEGER, 
                               stepname TEXT, 
                               state TEXT DEFAULT 'NOT_STARTED', 

     (sqlite3:execute db "CREATE TABLE IF NOT EXISTS test_rundat (
                              id           INTEGER PRIMARY KEY,
                              test_id      INTEGER,
                              update_time  TIMESTAMP,
                              cpuload      INTEGER DEFAULT -1,
                              diskfree     INTEGER DEFAULT -1,
                              diskusage    INTGER DEFAULT -1,
                              run_duration INTEGER DEFAULT 0);")
     (sqlite3:execute db "CREATE TABLE IF NOT EXISTS archives (
                              id           INTEGER PRIMARY KEY,
                              test_id      INTEGER,
                              state        TEXT DEFAULT 'new',
                              status       TEXT DEFAULT 'n/a',
                              archive_type TEXT DEFAULT 'bup',
                              du           INTEGER,
                              archive_path TEXT);")))
  db)

;;======================================================================
;; A R C H I V E S
;;======================================================================

;; dneeded is minimum space needed, scan for existing archives that 
;; are on disks with adequate space and already have this test/itempath
;; archived
;;
(define (db:archive-get-allocations dbstruct testname itempath dneeded)
  (let* ((dbdat        (db:get-db dbstruct #f)) ;; archive tables are in main.db
	 (db           (db:dbdat-get-db dbdat))
	 (res          '())
	 (blocks       '())) ;; a block is an archive chunck that can be added too if there is space
    (sqlite3:for-each-row
     (lambda (id archive-disk-id disk-path last-du last-du-time)
       (set! res (cons (vector id archive-disk-id disk-path last-du last-du-time) res)))
     db
     "SELECT b.id,b.archive_disk_id,b.disk_path,b.last_du,b.last_du_time FROM archive_blocks AS b
        INNER JOIN archive_allocations AS a ON a.archive_block_id=b.id
        WHERE a.testname=? AND a.item_path=?;" 
     testname itempath)
    ;; Now res has list of candidate paths, look in archive_disks for candidate with potential free space
    (if (null? res)
	'()
	(sqlite3:for-each-row
	 (lambda (id archive-area-name disk-path last-df last-df-time)
	   (set! blocks (cons (vector id archive-area-name disk-path last-df last-df-time) blocks)))
	 db 
	 (conc
	  "SELECT d.id,d.archive_area_name,disk_path,last_df,last_df_time FROM archive_disks AS d
             INNER JOIN archive_blocks AS b ON d.id=b.archive_disk_id
             WHERE b.id IN (" (string-intersperse (map conc res) ",") ") AND
         last_df > ?;")
	 dneeded))
    blocks))
    
;; returns id of the record, register a disk allocated to archiving and record it's last known
;; available space
;;
(define (db:archive-register-disk dbstruct bdisk-name bdisk-path df)
  (let* ((dbdat        (db:get-db dbstruct #f)) ;; archive tables are in main.db
	 (db           (db:dbdat-get-db dbdat))
	 (res          #f))
    (sqlite3:for-each-row
     (lambda (id)
       (set! res id))
     db
     "SELECT id FROM archive_disks WHERE archive_area_name=? AND disk_path=?;"
     bdisk-name bdisk-path)
    (if res ;; record exists, update df and return id
	(begin
	  (sqlite3:execute db "UPDATE archive_disks SET last_df=?,last_df_time=(strftime('%s','now'))
                                  WHERE archive_area_name=? AND disk_path=?;"
			   df bdisk-name bdisk-path)
	  res)
	(begin
	  (sqlite3:execute
	   db
	   "INSERT OR REPLACE INTO archive_disks (archive_area_name,disk_path,last_df)
                VALUES (?,?,?);"
	   bdisk-name bdisk-path df)
	  (db:archive-register-disk dbstruct bdisk-name bdisk-path df)))))

;; record an archive path created on a given archive disk (identified by it's bdisk-id)
;; if path starts with / then it is full, otherwise it is relative to the archive disk
;; preference is to store the relative path.
;;
(define (db:archive-register-block-name dbstruct bdisk-id archive-path #!key (du #f))
  (let* ((dbdat        (db:get-db dbstruct #f)) ;; archive tables are in main.db
	 (db           (db:dbdat-get-db dbdat))
	 (res          #f))
    ;; first look to see if this path is already registered
    (sqlite3:for-each-row
     (lambda (id)
       (set! res id))
     db
     "SELECT id FROM archive_blocks WHERE archive_disk_id=? AND disk_path=?;"
     bdisk-id archive-path)
    (if res ;; record exists, update du if applicable and return res
	(begin
	  (if du (sqlite3:exectute db "UPDATE archive_blocks SET last_du=?,last_du_time=(strftime('%s','now'))
                                          WHERE archive_disk_id=? AND disk_path=?;"
				   bdisk-id archive-path du))
	  res)
	(begin
	  (sqlite3:execute db "INSERT OR REPLACE INTO archive_blocks (archive_disk_id,disk_path,last_du)
                                                        VALUES (?,?,?);"
			   bdisk-id archive-path (or du 0))
	  (db:archive-register-block-name dbstruct bdisk-id archive-path du: du)))))


;; The "archived" field in tests is overloaded; 0 = not archived, > 0 archived in block with given id
;;
(define (db:test-set-archive-block-id dbstruct run-id test-id archive-block-id)
  (db:with-db
   dbstruct
   run-id
   #f
   (lambda (db)
     (sqlite3:execute db "UPDATE tests SET archived=? WHERE id=?;"
		      archive-block-id test-id))))
 

;; (define (db:archive-allocate-testsuite/area-to-block block-id testsuite-name areakey)
;;   (let* ((dbdat        (db:get-db dbstruct #f)) ;; archive tables are in main.db
;; 	 (db           (db:dbdat-get-db dbdat))
;; 	 (res          '())
;; 	 (blocks       '())) ;; a block is an archive chunck that can be added too if there is space
;;     (sqlite3:for-each-row  #f)

;;======================================================================
;; L O G G I N G    D B 
;;======================================================================

(define (open-logging-db) ;;  (conc *toppath* "/megatest.db") (car *configinfo*)))
  (let* ((dbpath    (conc (if *toppath* (conc *toppath* "/") "") "logging.db")) ;; fname)

;;======================================================================
;; D B   U T I L S
;;======================================================================

;;======================================================================
;; M A I N T E N A N C E
;;======================================================================

(define (db:have-incompletes? dbstruct run-id ovr-deadtime)
  (let* ((dbdat        (db:get-db dbstruct run-id))
	 (db           (db:dbdat-get-db dbdat))
	 (incompleted '())
	 (oldlaunched '())
	 (toplevels   '())
	 (deadtime-str (configf:lookup *configdat* "setup" "deadtime"))
	 (deadtime     (if (and deadtime-str
				(string->number deadtime-str))
			   (string->number deadtime-str)
			   7200))) ;; two hours
    (if (number? ovr-deadtime)(set! deadtime ovr-deadtime))
    
    ;; in RUNNING or REMOTEHOSTSTART for more than 10 minutes
    ;;
    ;; HOWEVER: this code in run:test seems to work fine
    ;;              (> (- (current-seconds)(+ (db:test-get-event_time testdat)
    ;;                     (db:test-get-run_duration testdat)))
    ;;                    600) 
    (db:delay-if-busy dbdat)
    (sqlite3:for-each-row 
     (lambda (test-id run-dir uname testname item-path)
       (if (and (equal? uname "n/a")
		(equal? item-path "")) ;; this is a toplevel test
	   ;; what to do with toplevel? call rollup?
	   (begin
	     (set! toplevels   (cons (list test-id run-dir uname testname item-path run-id) toplevels))
	     (debug:print-info 0 "Found old toplevel test in RUNNING state, test-id=" test-id))
	   (set! incompleted (cons (list test-id run-dir uname testname item-path run-id) incompleted))))
     db
     "SELECT id,rundir,uname,testname,item_path FROM tests WHERE run_id=? AND (strftime('%s','now') - event_time) > (run_duration + ?) AND state IN ('RUNNING','REMOTEHOSTSTART');"
     run-id deadtime)

    ;; in LAUNCHED for more than one day. Could be long due to job queues TODO/BUG: Need override for this in config
    ;;
    (db:delay-if-busy dbdat)
    (sqlite3:for-each-row
     (lambda (test-id run-dir uname testname item-path)
       (if (and (equal? uname "n/a")
		(equal? item-path "")) ;; this is a toplevel test
	   ;; what to do with toplevel? call rollup?
	   (set! toplevels   (cons (list test-id run-dir uname testname item-path run-id) toplevels))
	   (set! oldlaunched (cons (list test-id run-dir uname testname item-path run-id) oldlaunched))))
     db
     "SELECT id,rundir,uname,testname,item_path FROM tests WHERE run_id=? AND (strftime('%s','now') - event_time) > 86400 AND state IN ('LAUNCHED');"
     run-id)
    
    (debug:print-info 18 "Found " (length oldlaunched) " old LAUNCHED items, " (length toplevels) " old LAUNCHED toplevel tests and " (length incompleted) " tests marked RUNNING but apparently dead.")
    (if (and (null? incompleted)
	     (null? oldlaunched)
	     (null? toplevels))
	#f
	#t)))

;;  select end_time-now from
;;      (select testname,item_path,event_time+run_duration as
;;                          end_time,strftime('%s','now') as now from tests where state in
;;      ('RUNNING','REMOTEHOSTSTART','LAUNCED'));

(define (db:find-and-mark-incomplete dbstruct run-id ovr-deadtime)

;;    a. If test dir exists, set the the test to state='UNKNOWN', Set the run to 'unknown'
;;    b. If test dir gone, delete the test record
;; 2. Look at run records
;;    a. If have tests that are not deleted, set state='unknown'
;;    b. ....
;;
(define (db:clean-up dbdat)
  ;; (debug:print 0 "WARNING: db clean up not fully ported to v1.60, cleanup action will be on megatest.db")
  (let* ((db         (db:dbdat-get-db dbdat))
	 (count-stmt (sqlite3:prepare db "SELECT (SELECT count(id) FROM tests)+(SELECT count(id) FROM runs);"))
	(statements
	 (map (lambda (stmt)
		(sqlite3:prepare db stmt))
	      (list
	       ;; delete all tests that belong to runs that are 'deleted'

			       (debug:print-info 0 "Records count after  clean: " tot))
			     count-stmt)))
    (map sqlite3:finalize! statements)
    (sqlite3:finalize! count-stmt)
    ;; (db:find-and-mark-incomplete db)
    (db:delay-if-busy dbdat)
    (sqlite3:execute db "VACUUM;")))

;; Clean out old junk and vacuum the database
;;
;; Ultimately do something like this:
;;
;; 1. Look at test records either deleted or part of deleted run:
;;    a. If test dir exists, set the the test to state='UNKNOWN', Set the run to 'unknown'
;;    b. If test dir gone, delete the test record
;; 2. Look at run records
;;    a. If have tests that are not deleted, set state='unknown'
;;    b. ....
;;
(define (db:clean-up-rundb dbdat)
  ;; (debug:print 0 "WARNING: db clean up not fully ported to v1.60, cleanup action will be on megatest.db")
  (let* ((db         (db:dbdat-get-db dbdat))
	 (count-stmt (sqlite3:prepare db "SELECT (SELECT count(id) FROM tests);"))
	(statements
	 (map (lambda (stmt)
		(sqlite3:prepare db stmt))
	      (list
	       ;; delete all tests that belong to runs that are 'deleted'
	       ;; (conc "DELETE FROM tests WHERE run_id NOT IN (" (string-intersperse (map conc valid-runs) ",") ");")
	       ;; delete all tests that are 'DELETED'
	       "DELETE FROM tests WHERE state='DELETED';"
	       ))))
    (db:delay-if-busy dbdat)
    (sqlite3:with-transaction 
     db
     (lambda ()
       (sqlite3:for-each-row (lambda (tot)
			       (debug:print-info 0 "Records count before clean: " tot))
			     count-stmt)
       (map sqlite3:execute statements)
       (sqlite3:for-each-row (lambda (tot)
			       (debug:print-info 0 "Records count after  clean: " tot))
			     count-stmt)))
    (map sqlite3:finalize! statements)
    (sqlite3:finalize! count-stmt)
    ;; (db:find-and-mark-incomplete db)
    (db:delay-if-busy dbdat)
    (sqlite3:execute db "VACUUM;")))

;; Clean out old junk and vacuum the database
;;
;; Ultimately do something like this:
;;
;; 1. Look at test records either deleted or part of deleted run:
;;    a. If test dir exists, set the the test to state='UNKNOWN', Set the run to 'unknown'
;;    b. If test dir gone, delete the test record
;; 2. Look at run records
;;    a. If have tests that are not deleted, set state='unknown'
;;    b. ....
;;
(define (db:clean-up-maindb dbdat)
  ;; (debug:print 0 "WARNING: db clean up not fully ported to v1.60, cleanup action will be on megatest.db")
  (let* ((db         (db:dbdat-get-db dbdat))
	 (count-stmt (sqlite3:prepare db "SELECT (SELECT count(id) FROM runs);"))
	 (statements
	  (map (lambda (stmt)
		 (sqlite3:prepare db stmt))
	       (list
		;; delete all tests that belong to runs that are 'deleted'
		;; (conc "DELETE FROM tests WHERE run_id NOT IN (" (string-intersperse (map conc valid-runs) ",") ");")
		;; delete all tests that are 'DELETED'
		"DELETE FROM runs WHERE state='deleted';"
		)))
	 (dead-runs '()))
    (sqlite3:for-each-row
     (lambda (run-id)
       (set! dead-runs (cons run-id dead-runs)))
       db
       "SELECT id FROM runs WHERE state='deleted';")
    (db:delay-if-busy dbdat)
    (sqlite3:with-transaction 
     db
     (lambda ()
       (sqlite3:for-each-row (lambda (tot)
			       (debug:print-info 0 "Records count before clean: " tot))
			     count-stmt)
       (map sqlite3:execute statements)
       (sqlite3:for-each-row (lambda (tot)
			       (debug:print-info 0 "Records count after  clean: " tot))
			     count-stmt)))
    (map sqlite3:finalize! statements)
    (sqlite3:finalize! count-stmt)
    ;; (db:find-and-mark-incomplete db)
    (db:delay-if-busy dbdat)
    (sqlite3:execute db "VACUUM;")
    dead-runs))

;;======================================================================
;; M E T A   G E T   A N D   S E T   V A R S
;;======================================================================

;; returns number if string->number is successful, string otherwise
;; also updates *global-delta*

       res))))

;;======================================================================
;; QUEUE UP META, TEST STATUS AND STEPS REMOTE ACCESS
;;======================================================================

;; NOTE: Can remove the regex and base64 encoding for zmq
(define (db:obj->string obj #!key (transport 'http))
  (case transport
    ;; ((fs) obj)
    ((http fs)
     (string-substitute
      (regexp "=") "_"
      (base64:base64-encode 
       (z3:encode-buffer
	(with-output-to-string
	  (lambda ()(serialize obj)))))
      #t))
    ((zmq nmsg)(with-output-to-string (lambda ()(serialize obj))))
    (else obj)))

(define (db:string->obj msg #!key (transport 'http))
  (case transport
    ;; ((fs) msg)
    ((http fs)
     (if (string? msg)
	 (with-input-from-string 
	     (z3:decode-buffer
	      (base64:base64-decode
	       (string-substitute 
		(regexp "_") "=" msg #t)))
	   (lambda ()(deserialize)))
	 (begin
	   (debug:print 0 "ERROR: reception failed. Received " msg " but cannot translate it.")
	   msg))) ;; crude reply for when things go awry
    ((zmq nmsg)(with-input-from-string msg (lambda ()(deserialize))))
    (else msg)))

(define (db:test-set-status-state dbstruct run-id test-id status state msg)
  (let ((dbdat  (db:get-db dbstruct run-id)))
    (if (member state '("LAUNCHED" "REMOTEHOSTSTART"))
	(db:general-call dbdat 'set-test-start-time (list test-id)))
    (if msg

	    (db:general-call dbdat 'top-test-set-running (list test-name))
	    (if (equal? status "LAUNCHED")
		(db:general-call dbdat 'top-test-set (list "LAUNCHED" test-name))
		(db:general-call dbdat 'top-test-set-per-pf-counts (list test-name run-id test-name test-name test-name))))
	#f)
      #f))









(define (db:test-get-logfile-info dbstruct run-id test-name)
  (db:with-db
   dbstruct
   run-id
   #f
   (lambda (db)
     (let ((res #f))