Megatest

;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

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

(declare (unit dbmod))

(declare (uses debugprint))
(declare (uses commonmod))
(declare (uses configfmod))
(declare (uses mtargs))
(declare (uses mtver))
(declare (uses csv-xml))
(declare (uses keysmod))
(declare (uses mtmod))
(declare (uses pkts))
(declare (uses dbi))

(module dbmod
	*
	
(import scheme
	(prefix sqlite3 sqlite3:)
	chicken.base
	chicken.condition
	chicken.eval
	chicken.file
	chicken.file.posix
	chicken.format
	chicken.io
	chicken.pathname
	chicken.port
	chicken.pretty-print
	chicken.process
	chicken.process-context
	chicken.process-context.posix
	chicken.sort
	chicken.string
	chicken.time
	chicken.time.posix
	system-information
	
	(prefix base64 base64:)
	csv-xml
	directory-utils
	matchable
	regex
	s11n
	srfi-1
	srfi-13
	srfi-18
	srfi-69
	stack
	typed-records
	z3

	(prefix mtargs args:)
	commonmod
	configfmod
	debugprint
	keysmod
	mtmod
	mtver
	pkts
	(prefix dbi dbi:)
	)


(include "key_records.scm")

;;======================================================================
;;  R E C O R D S
;;======================================================================

;; each db entry in the hash is a dbr:dbdat
;; this record will evolve into the area record
;;
(defstruct dbr:dbstruct 
  (mtdb        #f)
  (dbdats      (make-hash-table)) ;; id => dbdat
  (read-only   #f)                ;; the area is read-only
  (stmt-cache  (make-hash-table)))

(defstruct dbr:dbdat
  (db          #f)    ;; should rename this to oddb for on disk db
  (inmem       #f)
  (last-sync   0)
  (last-write  (current-seconds))
  (run-id      #f)
  (fname       #f))
  
;; Returns the dbdat for a particular run-id from dbstruct
;;
(define (dbr:dbstruct-get-dbdat v run-id)
  (hash-table-ref/default (dbr:dbstruct-dbdats v) run-id #f))

(define (dbr:dbstruct-dbdat-put! v run-id db)
  (hash-table-set! (dbr:dbstruct-dbdats v) run-id db))

(define (db:run-id->first-num run-id)
  (let* ((s (number->string run-id))
	 (l (string-length s)))
    (substring s (- l 1) l)))

;; 1234 => 4/1234.db
;;   #f => 0/main.db
;;   (abandoned the idea of num/db)
;; 
(define (db:run-id->path apath run-id)
  (conc apath"/"(db:run-id->dbname run-id)))

(define (db:dbname->path apath dbname)
  (conc apath"/"dbname))

;;  (let ((firstnum (if run-id
;; 		      (db:run-id->first-num run-id)
;; 		      "0")))
;;    (conc *toppath* "/.dbs/" ;; firstnum"/"
;; 	  (or run-id "main")".db")))

(define (db:run-id->dbname run-id)
  (if (number? run-id)
      (conc ".db/" (modulo run-id 100) ".db")
      (conc ".db/main.db")))
  

;; record for keeping state,status and count for doing roll-ups in
;; iterated tests
;;
(defstruct dbr:counts
  (state #f)
  (status #f)
  (count  0)) 

;; Retrieve a dbdat given dbfile, open and setup both inmemory and
;; db file if needed
;;
;;    if run-id => get run specific db
;;    if #f     => get main.db
;;    if db already open - return inmem
;;    if db not open, open inmem, rundb and sync then return inmem
;;    inuse gets set automatically for rundb's
;;
(define (db:get-dbdat dbstruct apath dbfile)
  (let ((dbdat (dbr:dbstruct-get-dbdat dbstruct dbfile))) ;; run-id)))
    (if dbdat
	dbdat
	(let* (;; (dbfile   (db:run-id->path apath run-id))
	       (newdbdat (db:open-dbdat apath dbfile db:initialize-db)))
	  (dbr:dbstruct-dbdat-put! dbstruct dbfile newdbdat)
	  newdbdat))))

;; get the inmem db for actual db operations
;;
(define (db:get-inmem dbstruct apath dbfile)
  (dbr:dbdat-inmem (db:get-dbdat dbstruct apath dbfile)))

;; get the handle for the on-disk db
;;
(define (db:get-ddb dbstruct apath dbfile)
  (dbr:dbdat-db (db:get-dbdat dbstruct apath dbfile)))

;; open or create the disk db file
;; create and fill the inmemory db
;; assemble into dbr:dbdat struct and return
;; 
(define (db:open-dbdat apath dbfile dbinit-proc)
  (let* (;; (dbfile   (db:run-id->path apath run-id))
	 (db       (db:open-run-db dbfile dbinit-proc))
	 (inmem    (db:open-inmem-db dbinit-proc))
	 (dbdat    (make-dbr:dbdat
		    db:     db
		    inmem:  inmem
		    ;; run-id: run-id  ;; no can do, there are many run-id values that point to single db
		    fname:  dbfile)))
    ;; now sync the disk file data into the inmemory db
    (db:sync-tables (db:sync-all-tables-list) #f db inmem)
    dbdat))

;; open the disk database file
;; NOTE: May need to add locking to file create process here
;; returns an sqlite3 database handle
;;
(define (db:open-run-db dbfile dbinit-proc)
  (let* ((parent-dir (pathname-directory dbfile)))
    (if (not (directory-exists? parent-dir))
	(create-directory parent-dir #t))
    (let* ((exists  (file-exists? dbfile))
	   (db      (sqlite3:open-database dbfile))
	   (handler (sqlite3:make-busy-timeout 3600)))
      (sqlite3:set-busy-handler! db handler)
      (db:set-sync db)
      (if (not exists)
	  (dbinit-proc db))
      db)))
    
;; open and initialize the inmem db
;; NOTE: Does NOT sync in the data from the disk db
;;
(define (db:open-inmem-db dbinit-proc)
  (let* ((db      (sqlite3:open-database ":memory:"))
	 (handler (sqlite3:make-busy-timeout 3600)))
    (sqlite3:set-busy-handler! db handler)
    (dbinit-proc db) ;; NOTE: inmem must always be initialized (db:initialize-db db)
    db))

;; get and initalize dbstruct for a given run-id
;;
;;  - uses db:initialize-db to create the schema
;;
;; Make the dbstruct, call for main db at least once
;; sync disk db to inmem
;;
;; called in http-transport and replicated in rmt.scm for *local* access. 
;;
(define (db:setup run-id)
  (assert *toppath* "FATAL: db:setup called before toppath is available.")
  (let* ((dbstruct (or *dbstruct-db* (make-dbr:dbstruct)))
	 (db-file  (db:run-id->path *toppath* run-id)))
    (db:get-dbdat dbstruct *toppath* db-file)
    (if (not *dbstruct-db*)(set! *dbstruct-db* dbstruct))
    dbstruct))

;;======================================================================
;; setting/getting a lock on the db for only one server per db
;;
;;  NOTE:
;;       These operate directly on the disk file, NOT on the inmemory db
;;       The lockname is the filename (can have many to one, run-id to fname 
;;======================================================================

;; only use for main.db - need to re-write some of this :(
;;
(define (db:get-main-lock dbfile)
  (db:with-lock-db dbfile
		(lambda (dbh dbfile)
		  (db:get-iam-server-lock dbh dbfile))))

(define (db:with-lock-db dbfile proc)
  (let* ((dbh (db:open-run-db dbfile db:initialize-db))
	 (res (proc dbh dbfile)))
    (sqlite3:finalize! dbh)
    res))

;; called before db is open?
;;
(define (db:get-iam-server-lock dbh dbfname)
  (sqlite3:with-transaction
   dbh
   (lambda ()
     (let* ((locker (db:get-locker dbh dbfname)))
       (if locker
	   #f
	   (db:take-lock dbh dbfname))))))
	     
;; (exn sqlite3) 
(define (db:get-locker dbh dbfname)
  (condition-case
   (sqlite3:first-row dbh "SELECT owner_pid,owner_host,event_time FROM locks WHERE lockname=?;" dbfname)
   (exn (sqlite3) #f)))

;; should never fail because it is run in a transaction with a test for the lock
;;
(define (db:take-lock dbh dbfname)
  ;; (condition-case
  ;;  (begin
     (sqlite3:execute dbh "INSERT INTO locks (lockname,owner_pid,owner_host) VALUES (?,?,?);" dbfname (current-process-id) (get-host-name))
   ;;   #t)
     ;; (exn (sqlite3) #f)))
     #t)

(define (db:release-lock dbh dbfname)
  (sqlite3:execute dbh "DELETE FROM locks WHERE lockname=?;" dbfname))

;;======================================================================
;; SQLITE3 HELPERS
;;======================================================================

(define (db:general-sqlite-error-dump exn stmt . params)
  (let ((err-status ((condition-property-accessor 'sqlite3 'status #f) exn))) ;; RADT ... how does this work?
    ;; check for (exn sqlite3) ((condition-property-accessor 'exn 'message) exn)
    ;; (print "err-status: " err-status)
    (debug:print-error 0 *default-log-port* " query " stmt " failed, params: " params ", error: " ((condition-property-accessor 'exn 'message) exn))
    (print-call-chain (current-error-port))))

;; convert to -inline 
;;
(define (db:first-result-default db stmt default . params)
  (handle-exceptions
   exn
   (let ((err-status ((condition-property-accessor 'sqlite3 'status #f) exn)))
     ;; check for (exn sqlite3) ((condition-property-accessor 'exn 'message) exn)
     (if (eq? err-status 'done)
	 default
	 (begin
	   (debug:print-error 0 *default-log-port* " query " stmt " failed, params: " params ", error: " ((condition-property-accessor 'exn 'message) exn) ", exn=" exn)
	   (print-call-chain (current-error-port))
	   default)))
   (apply sqlite3:first-result db stmt params)))

(define (db:generic-error-printout exn . message)
  (print-call-chain (current-error-port))
  (apply debug:print-error 0 *default-log-port* message)
  (debug:print-error 0 *default-log-port* ;; "   params: " params
		     ", error: "     ((condition-property-accessor 'exn 'message)   exn)
		     ", arguments: " ((condition-property-accessor 'exn 'arguments) exn)
		     ", location: "  ((condition-property-accessor 'exn 'location)  exn)
		     ))

;; (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)
  (assert (dbr:dbstruct? dbstruct) "FATAL: db:with-db called with bad dbstruct")
  (let* ((dbpath    (db:run-id->dbname run-id))
	 (dbdat     (db:get-dbdat dbstruct *toppath* dbpath))
	 (db        (dbr:dbdat-inmem dbdat))
	 (fname     (dbr:dbdat-fname dbdat))
	 (use-mutex (> *api-process-request-count* 25))) ;; was 25
    #;(if (and use-mutex
	     (common:low-noise-print 120 "over-50-parallel-api-requests"))
	(debug:print-info 0 *default-log-port* *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*))
	(debug:print-info 2 *default-log-port* "Parallel api request count: " *api-process-request-count* " max parallel requests: " *max-api-process-requests*))
     (apply proc db params)
    #;(condition-case
     (begin
       (if use-mutex (mutex-lock! *db-with-db-mutex*))
       (let ((res (apply proc db params)))
	 (if use-mutex (mutex-unlock! *db-with-db-mutex*))
	 ;; (if (vector? dbstruct)(db:done-with dbstruct run-id r/w))
	 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))))))
      
(define (db:set-sync db)
  (let ((syncprag (configf:lookup *configdat* "setup" "sychronous")))
    (sqlite3:execute db (conc "PRAGMA synchronous = " (or syncprag 0) ";")))) 

;; get last time a record was updated in either tests or runs table
;;
;;    NOTE: Takes a sqlite3 db handle, not dbstruct or dbdat
;;
(define (db:get-last-update-time db)
  (let ((last-update-time #f))
    (sqlite3:for-each-row 
     (lambda (lup) 
       (set! last-update-time lup))     
     db    
     "select max(lup) from ( select max(last_update) as lup  from tests union select max(last_update) as lup from runs);")
    last-update-time))

;; NOTE: opens the legacy megatest.db at the top of *toppath* ==> deprecate and use export
;;       from previous version instead
;;
;;  - NOT ready for use
;;
;; ;; (define (db:open-legacy-megatest-db fname)
;; ;;   (let* ((dbexists     (if (equal? fname ":inmem:")
;; ;; 			   #f
;; ;; 			   (common:file-exists? dbpath)))
;; ;; 	 ;; TODO, replace use of lock with a transaction around the db initalization
;; ;; 	 (db           (db:initialize-main-db db) #;(db:lock-create-open dbpath
;; ;; 					    (lambda (db)
;; ;;                                               (db:initialize-main-db db)
;; ;; 					      ;;(db:initialize-run-id-db db)
;; ;; 					      )))
;; ;; 	 (write-access (file-writable? dbpath)))
;; ;;     (debug:print-info 13 *default-log-port* "db:open-megatest-db "dbpath)
;; ;;     (if (and dbexists (not write-access))
;; ;; 	(set! *db-write-access* #f))
;; ;;     (cons db dbpath)))

;; ;; ;; sync run to disk if touched
;; ;; ;;
;; ;; (define (db:sync-touched dbstruct run-id #!key (force-sync #f))
;; ;;   (let ((tmpdb   (db:get-db dbstruct))
;; ;; 	(mtdb    (dbr:dbstruct-mtdb   dbstruct))
;; ;;         (refndb  (dbr:dbstruct-refndb dbstruct))
;; ;; 	(start-t (current-seconds)))
;; ;;     (debug:print-info 4 *default-log-port* "Syncing for run-id: " run-id)
;; ;;     (mutex-lock! *db-multi-sync-mutex*)
;; ;;     (let ((update_info (cons (if force-sync 0 *db-last-sync*) "last_update")))
;; ;;       (mutex-unlock! *db-multi-sync-mutex*)
;; ;;       (db:sync-tables (db:sync-all-tables-list dbstruct) update_info tmpdb refndb 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*)
;; ;;     (stack-push! (dbr:dbstruct-dbstack dbstruct) tmpdb)))

;; NOTE: touched logic is disabled/not done
;; sync run to disk if touched
;;
(define (db:sync-inmem->disk dbstruct apath dbfile #!key (force-sync #f))
  (let* ((dbdat       (db:get-dbdat dbstruct apath dbfile))
	 (db          (dbr:dbdat-db dbdat))
	 (inmem       (dbr:dbdat-inmem dbdat))
	 (start-t     (current-seconds))
	 (last-update (dbr:dbdat-last-write dbdat))
	 (last-sync   (dbr:dbdat-last-sync dbdat)))
    (debug:print-info 4 *default-log-port* "Syncing for dbfile: " dbfile)
    (mutex-lock! *db-multi-sync-mutex*)
    (let* ((update_info (cons (if force-sync 0 last-update) "last_update"))
    	   (need-sync   (or force-sync (>= last-update last-sync))))
       (if need-sync
	  (db:sync-tables (db:sync-all-tables-list) update_info inmem db)
	  (debug:print 0 *default-log-port* "Skipping sync as nothing touched.")))
    (dbr:dbdat-last-sync-set! dbdat start-t)
    (mutex-unlock! *db-multi-sync-mutex*)))

;; TODO: Add final sync to this
;;
(define (db:safely-close-sqlite3-db db stmt-cache #!key (try-num 3))
  (if (<= try-num 0)
      #f
      (handle-exceptions
	  exn
	(begin
	  (print "Attempt to safely close sqlite3 db failed. Trying again. exn=" exn)
	  (thread-sleep! 3)
	  (sqlite3:interrupt! db)
	  (db:safely-close-sqlite3-db db stmt-cache try-num: (- try-num 1)))
	(if (sqlite3:database? db)
	    (let* ((stmts (and stmt-cache (hash-table-ref/default stmt-cache db #f))))
	      (if stmts (map sqlite3:finalize! (hash-table-values stmts)))
	      (sqlite3:finalize! db)
	      #t)
	    #f))))

;; close all opened run-id dbs
(define (db:close-all dbstruct)
  (assert (dbr:dbstruct? dbstruct) "FATAL: db:close-all called with dbstruct not set up.")
  (handle-exceptions
   exn
   (begin
     (debug:print 0 *default-log-port* "WARNING: Finalizing failed, "  ((condition-property-accessor 'exn 'message) exn) ", note - exn=" exn)
     (print-call-chain *default-log-port*))
   ;; (db:sync-touched dbstruct 0 force-sync: #t) ;; NO. Do not do this here. Instead we rely on a server to be started when there are writes, even if the server itself is not going to be used as a server.
   (let ((tdbs       (map dbr:dbdat-db 
			  (hash-table-values (dbr:dbstruct-dbdats dbstruct))))
	 (stmt-cache (dbr:dbstruct-stmt-cache dbstruct)))
     (map (lambda (db)
	    (db:safely-close-sqlite3-db db stmt-cache))
	  tdbs))))

;; 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)
  (let ((keys  (common:get-fields *configdat*))) ;; (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)
  (append (db:sync-main-list)
	  db:sync-tests-only))

;; use bunch of Unix commands to try to break the lock and recreate the db
;;
(define (db:move-and-recreate-db dbdat)
  (let* ((dbpath   (dbr:dbdat-fname           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-error 0 *default-log-port* "" fname " appears corrupted. Making backup \"old/" fname "\"")
    (system (conc "cd " dbdir ";mkdir -p old;cat " fname " > old/" tmpname))
    (system (conc "rm -f " dbpath))
    (if (common:file-exists? fnamejnl)
	(begin
	  (debug:print-error 0 *default-log-port* "" 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   (dbr:dbdat-fname           dbdat))
	 (dbdir    (pathname-directory       dbpath))
	 (fname    (pathname-strip-directory dbpath)))
    (debug:print-info 0 *default-log-port* "Checking db " dbpath " for errors.")
    (cond
     ((not (file-writable? dbdir))
      (debug:print 0 *default-log-port* "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
	 (print "Problems trying to repair the db, exn=" exn)
	 ;; (db:move-and-recreate-db dbdat)
	 (if (> numtries 0)
	     (db:repair-db dbdat numtries: (- numtries 1))
	     #f)
	 (debug:print 0 *default-log-port* "FATAL: file " dbpath " was found corrupted, an attempt to fix has been made but you must start over.")
	 (debug:print 0 *default-log-port*
		      "   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)))
	 (sqlite3:set-busy-handler! db (sqlite3:make-busy-timeout 136000))
	 (sqlite3:execute db "PRAGMA synchronous = 0;")
	 (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;")))
	 
	 (sqlite3:finalize! db)
	 #t))))))

(define (db:sync-one-table fromdb todb tabledat last-update numrecs)
  (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)
			    (last-update
			     (debug:print 0 *default-log-port* "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  (string->number (or (configf:lookup *configdat* "sync" "batchsize") "100")))
	 (todat      (make-hash-table))
	 (count      0)
	 (field-names (map car fields))
	 ;; (delay-handicap  (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
    (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)))))
     fromdb ;; (dbr:dbdat-db fromdb)
     full-sel)
    
    ;; tack on remaining records in fromdat
    (if (not (null? fromdat))
	(set! fromdats (cons fromdat fromdats)))
    
    (if (common:low-noise-print 120 "sync-records")
	(debug:print-info 4 *default-log-port* "found " totrecords " records to sync"))
    
    ;; read the target table; BBHERE
    (sqlite3:for-each-row
     (lambda (a . b)
       (hash-table-set! todat a (apply vector a b)))
     todb ;; (dbr:dbdat-db todb)
     full-sel)
    
    ;; delay stuff was here
    
    ;; first pass implementation, just insert all changed rows
    (let* ((db                 todb) ;; (dbr:dbdat-db targdb))
	   (drp-trigger        (if (member "last_update" field-names)
				   (db:drop-trigger db tablename) 
				   #f))
	   (is-trigger-dropped (if (member "last_update" field-names)
				   (db:is-trigger-dropped db tablename)
				   #f)) 
	   (stmth  (sqlite3:prepare db full-ins)))
      ;; (db:delay-if-busy targdb) ;; NO WAITING
      (if (member "last_update" field-names)
	  (debug:print-info 3 *default-log-port* "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)))))))
	     fromdat-lst))))
       fromdats)
      (sqlite3:finalize! stmth)
      (if (member "last_update" field-names)
	  (db:create-trigger db tablename)))))

;; tbls is ( ("tablename" ( "field1" [#f|proc1] ) ( "field2" [#f|proc2] ) .... ) )
;; db's are sqlite3 handles
;;
;; 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)

  ;; NOTE: I'm moving all the checking OUT of this routine. Check for read/write access, existance, etc
  ;;       BEFORE calling this sync
  
  (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)
       (db:sync-one-table fromdb todb tabledat last-update numrecs))
     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 (debug:print 3 *default-log-port* "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 (debug:print 0 *default-log-port* (format #f "    ~10a ~5a" tblname count))))))
       (sort (hash-table->alist numrecs)(lambda (a b)(> (cdr a)(cdr b))))))
    tot-count))

(define (db:patch-schema-rundb frundb)
  ;;
  ;; remove this some time after September 2016 (added in version v1.6031
  ;;
  (for-each
   (lambda (table-name)
     (handle-exceptions
      exn
      (if (string-match ".*duplicate.*" ((condition-property-accessor 'exn 'message) exn))
          (debug:print 0 *default-log-port* "Column last_update already added to " table-name " table")
          (db:general-sqlite-error-dump exn "alter table " table-name " ..." #f "none"))
      (sqlite3:execute
       frundb
       (conc "ALTER TABLE " table-name " ADD COLUMN last_update INTEGER DEFAULT 0")))
     (sqlite3:execute
      frundb
      (conc "DROP TRIGGER IF EXISTS update_" table-name "_trigger;"))
     (sqlite3:execute
      frundb
      (conc "CREATE TRIGGER IF NOT EXISTS update_" table-name "_trigger AFTER UPDATE ON " table-name "
                             FOR EACH ROW
                               BEGIN 
                                 UPDATE " table-name " SET last_update=(strftime('%s','now'))
                                   WHERE id=old.id;
                               END;"))
     )
   '("tests" "test_steps" "test_data")))

(define (db:patch-schema-maindb maindb)
  ;;
  ;; remove all these some time after september 2016 (added in v1.6031
  ;;
  (for-each
   (lambda (column type default)
     (handle-exceptions
	 exn
	 (if (string-match ".*duplicate.*" ((condition-property-accessor 'exn 'message) exn))
	     (debug:print 0 *default-log-port* "Column " column " already added to runs table")
	     (db:general-sqlite-error-dump exn "alter table runs ..." #f "none"))
       (sqlite3:execute
	maindb
	(conc "ALTER TABLE runs ADD COLUMN " column " " type " DEFAULT " default))))
   (list "last_update" "contour")
   (list "INTEGER"     "TEXT"   )
   (list "0"           "''"   ))
  ;; these schema changes don't need exception handling
  (sqlite3:execute
   maindb
   "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;")
  (sqlite3:execute maindb "CREATE TABLE IF NOT EXISTS run_stats (
                              id     INTEGER PRIMARY KEY,
                              run_id INTEGER,
                              state  TEXT,
                              status TEXT,
                              count  INTEGER,
                              last_update INTEGER DEFAULT (strftime('%s','now')))")
  (sqlite3:execute maindb "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;")
  (sqlite3:execute maindb "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);"))

(define (db:adj-target db)
  (let ((fields    (configf:get-section *configdat* "fields"))
	(field-num 0))
    ;; because we will be refreshing the keys table it is best to clear it here
    (sqlite3:execute db "DELETE FROM keys;")
    (for-each
     (lambda (field)
       (let ((column (car field))
	     (spec   (cadr field)))
	 (handle-exceptions
	  exn
	  (if (string-match ".*duplicate.*" ((condition-property-accessor 'exn 'message) exn))
	      (debug:print 0 *default-log-port* "Target field " column " already exists in the runs table")
	      (db:general-sqlite-error-dump exn "alter table runs ..." #f "none"))
	  ;; Add the column if needed
	  (sqlite3:execute
	   db
	   (conc "ALTER TABLE runs ADD COLUMN " column " " spec)))
	 ;; correct the entry in the keys column
	 (sqlite3:execute
	  db
	  "INSERT INTO keys (id,fieldname,fieldtype) VALUES (?,?,?);"
	  field-num column spec)
	 ;; fill in blanks (not allowed as it would be part of the path
	 (sqlite3:execute
	  db
	  (conc "UPDATE runs SET " column "='x' WHERE " column "='';"))
	 (set! field-num (+ field-num 1))))
     fields)))
  
(define (db:get-access-mode)
  (if (args:get-arg "-use-db-cache") 'cached 'rmt))

;; Add db direct
;;
(define (db:dispatch-query access-mode rmt-cmd db-cmd . params)
  (if (eq? access-mode 'cached)
      (debug:print 2 *default-log-port* "not doing cached calls right now"))
;;      (apply db:call-with-cached-db db-cmd params)
      (apply rmt-cmd params))
;;)

;; ;; ;; return the target db handle so it can be used
;; ;; ;;
;; ;; (define (db:cache-for-read-only source target #!key (use-last-update #f))
;; ;;   (assert *toppath* "ERROR: db:cache-for-read-only called before launch:setup. This is fatal.")
;; ;;   (if (and (hash-table-ref/default *global-db-store* target #f)
;; ;; 	   (>= (file-modification-time target)(file-modification-time source)))
;; ;;       (hash-table-ref *global-db-store* target)
;; ;;       (let* ((toppath  *toppath*) ;;  (launch:setup))
;; ;; 	     (targ-db-last-mod (if (common:file-exists? target)
;; ;; 				   (file-modification-time target)
;; ;; 				   0))
;; ;; 	     (cache-db  (or (hash-table-ref/default *global-db-store* target #f)
;; ;; 			    (db:open-megatest-db path: target)))
;; ;; 	     (source-db (db:open-megatest-db path: source))
;; ;; 	     (curr-time (current-seconds))
;; ;; 	     (res      '())
;; ;; 	     (last-update (if use-last-update (cons "last_update" targ-db-last-mod) #f)))
;; ;; 	(db:sync-tables (db:sync-main-list source-db) last-update source-db cache-db)
;; ;; 	(db:sync-tables db:sync-tests-only last-update source-db cache-db)
;; ;; 	(hash-table-set! *global-db-store* target cache-db)
;; ;; 	cache-db)))

;; ;; call a proc with a cached db
;; ;;
;; (define (db:call-with-cached-db proc . params)
;;   ;; first cache the db in /tmp
;;   (let* ((cname-part (conc "megatest_cache/" (common:get-area-name)))
;; 	 (fname      (conc  (common:get-area-path-signature) ".db"))
;; 	 (cache-dir  (common:get-create-writeable-dir
;; 		      (list (conc "/tmp/" (current-user-name) "/" cname-part)
;; 			    (conc "/tmp/" (current-user-name) "-" cname-part)
;; 			     (conc "/tmp/" (current-user-name) "_" cname-part))))
;; 	 (megatest-db (conc *toppath* "/megatest.db")))
;;     ;; (debug:print-info 0 *default-log-port* "Using cache dir " cache-dir)
;;     (if (not cache-dir)
;; 	(begin
;; 	  (debug:print 0 *default-log-port* "ERROR: Failed to find an area to write the cache db")
;; 	  (exit 1))
;; 	(let* ((th1      (make-thread
;; 			  (lambda ()
;; 			    (if (and (common:file-exists? megatest-db)
;; 				     (file-writable? megatest-db))
;; 				(begin
;; 				  (db:sync-to-megatest.db dbstruct 'timestamps) ;; internally mutexes on *db-local-sync*
;; 				  (debug:print-info 2 *default-log-port* "Done syncing to megatest.db"))))
;; 			  "call-with-cached-db sync-to-megatest.db"))
;; 	       (cache-db (db:cache-for-read-only
;; 			  megatest-db
;; 			  (conc cache-dir "/" fname)
;; 			  use-last-update: #t)))
;; 	  (thread-start! th1)
;; 	  (apply proc cache-db params)
;; 	  ))))

;; options:
;;
;;  'killservers  - kills all servers
;;  'dejunk       - removes junk records
;;  'adj-testids  - move test-ids into correct ranges
;;  'old2new      - sync megatest.db to /tmp/.../megatest.db and /tmp/.../megatest_ref.db
;;  'new2old      - sync /tmp/.../megatest.db to megatest.db and /tmp/.../megatest_ref.db (and update data_synced)
;;  'closeall     - close all opened dbs
;;  'schema       - attempt to apply schema changes
;;  run-ids: '(1 2 3 ...) or #f (for all)
;;
;; ;; (define (db:multi-db-sync dbstruct . options)
;; ;;   ;; (if (not (launch:setup))
;; ;;   ;;    (debug:print 0 *default-log-port* "ERROR: not able to setup up for megatest.")
;; ;;   (let* ((mtdb     (dbr:dbstruct-mtdb dbstruct))
;; ;; 	 (tmpdb    (db:get-db dbstruct))
;; ;; 	 (refndb   (dbr:dbstruct-refndb dbstruct))
;; ;; 	 (allow-cleanup #t) ;; (if run-ids #f #t))
;; ;; 	 (servers (server:get-list *toppath*)) ;; (tasks:get-all-servers (db:delay-if-busy tdbdat)))
;; ;; 	 (data-synced 0)) ;; count of changed records (I hope)
;; ;;     
;; ;;     (for-each
;; ;;      (lambda (option)
;; ;; 
;; ;;        (case option
;; ;; 	 ;; kill servers
;; ;; 	 ((killservers)
;; ;; 	  (for-each
;; ;; 	   (lambda (server)
;; ;;              (handle-exceptions
;; ;;              exn
;; ;;              (begin 
;; ;;                (debug:print-info 0 *default-log-port*  "Unable to get host and/or port from " server ", exn=" exn)     
;; ;;                #f)
;; ;; 	     (match-let (((mod-time host port start-time server-id pid) server))
;; ;; 	       (if (and host pid)
;; ;; 		   (tasks:kill-server host pid)))))
;; ;; 	   servers)
;; ;; 
;; ;;           ;; /tmp/bjbarcla/megatest_localdb/fullrun/.nfs.pdx.disks.icf_env_disk001.bjbarcla.gwa.issues.mtdev.matt-bisect.megatest.ext-tests.runs.all.v1.65.1.6524.dev.bb-24-justrollup-f8.rollup.fullrun/megatest.db.lock
;; ;;           (delete-file* (common:get-sync-lock-filepath))
;; ;;           )
;; ;; 	 
;; ;; 	 ;; clear out junk records
;; ;; 	 ;;
;; ;; 	 ((dejunk)
;; ;; 	  ;; (db:delay-if-busy mtdb) ;; ok to delay on mtdb
;; ;; 	  (when (file-writable? (db:dbdat-get-path mtdb)) (db:clean-up mtdb))
;; ;; 	  (db:clean-up tmpdb)
;; ;; 	  (db:clean-up refndb))
;; ;; 
;; ;; 	 ;; sync runs, test_meta etc.
;; ;; 	 ;;
;; ;; 	 ((old2new)
;; ;; 	  (set! data-synced
;; ;; 	    (+ (db:sync-tables (db:sync-all-tables-list dbstruct) #f mtdb tmpdb refndb)
;; ;; 	       data-synced)))
;; ;; 	 
;; ;; 	 ;; now ensure all newdb data are synced to megatest.db
;; ;; 	 ;; do not use the run-ids list passed in to the function
;; ;; 	 ;;
;; ;; 	 ((new2old)
;; ;; 	  (set! data-synced
;; ;; 	    (+ (db:sync-tables (db:sync-all-tables-list dbstruct) #f tmpdb refndb mtdb)
;; ;; 	       data-synced)))
;; ;; 
;; ;; 	 ((adj-target)
;; ;; 	  (db:adj-target (db:dbdat-get-db mtdb))
;; ;; 	  (db:adj-target (db:dbdat-get-db tmpdb))
;; ;; 	  (db:adj-target (db:dbdat-get-db refndb)))
;; ;; 	 
;; ;; 	 ((schema)
;; ;; 	  (db:patch-schema-maindb (db:dbdat-get-db mtdb))
;; ;; 	  (db:patch-schema-maindb (db:dbdat-get-db tmpdb))
;; ;; 	  (db:patch-schema-maindb (db:dbdat-get-db refndb))
;; ;; 	  (db:patch-schema-rundb  (db:dbdat-get-db mtdb))
;; ;; 	  (db:patch-schema-rundb  (db:dbdat-get-db tmpdb))
;; ;; 	  (db:patch-schema-rundb  (db:dbdat-get-db refndb))))
;; ;;        
;; ;;        (stack-push! (dbr:dbstruct-dbstack dbstruct) tmpdb))
;; ;;      options)
;; ;;     data-synced))
;; ;; 
;; ;; (define (db:tmp->megatest.db-sync dbstruct last-update)
;; ;;   (let* ((mtdb        (dbr:dbstruct-mtdb dbstruct))
;; ;; 	 (tmpdb       (db:get-db dbstruct))
;; ;; 	 (refndb      (dbr:dbstruct-refndb dbstruct))
;; ;; 	 (res         (db:sync-tables (db:sync-all-tables-list dbstruct) last-update tmpdb refndb mtdb)))
;; ;;     (stack-push! (dbr:dbstruct-dbstack dbstruct) tmpdb)
;; ;;     res))
;; ;; 
;; ;; ;;;; run-ids
;; ;; ;;    if #f use *db-local-sync* : or 'local-sync-flags
;; ;; ;;    if #t use timestamps      : or 'timestamps
;; ;; ;;
;; ;; ;;  NB// no-sync-db is the db handle, not a flag!
;; ;; ;;
;; ;; (define (db:sync-to-megatest.db dbstruct #!key (no-sync-db #f)) 
;; ;;   (let* ((start-time         (current-seconds))
;; ;; 	 (last-full-update   (if no-sync-db
;; ;; 				 (db:no-sync-get/default no-sync-db "LAST_FULL_UPDATE" 0)
;; ;; 				 0))
;; ;; 	 (full-sync-needed   (> (- start-time last-full-update) 3600)) ;; every hour do a full sync
;; ;; 	 (last-update        (if full-sync-needed
;; ;; 				 0
;; ;; 				 (if no-sync-db
;; ;; 				     (db:no-sync-get/default no-sync-db "LAST_UPDATE" 0)
;; ;; 				     0))) ;; (or (db:get-var dbstruct "LAST_UPDATE") 0))
;; ;; 	 (sync-needed        (> (- start-time last-update) 6))
;; ;; 	 (res                (if (or sync-needed ;; don't sync if a sync already occurred in the past 6 seconds
;; ;; 				     full-sync-needed)
;; ;; 				 (begin
;; ;; 				   (if no-sync-db
;; ;; 				       (begin
;; ;; 					 (if full-sync-needed (db:no-sync-set no-sync-db "LAST_FULL_UPDATE" start-time))
;; ;; 					 (db:no-sync-set no-sync-db "LAST_UPDATE" start-time)))
;; ;; 				   (db:tmp->megatest.db-sync dbstruct last-update))
;; ;; 				 0))
;; ;; 	 (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")
;; ;;           (if sync-needed
;; ;;               (debug:print-info 0 *default-log-port* "Sync of " res " records from newdb to olddb completed in " sync-time " seconds pid="(current-process-id))
;; ;;               (debug:print-info 0 *default-log-port* "No sync needed, last updated " (- start-time last-update) " seconds ago")))
;; ;;       res))

;; keeping it around for debugging purposes only
#;(define (open-run-close-no-exception-handling  proc idb . params)
  (debug:print-info 11 *default-log-port* "open-run-close-no-exception-handling START given a db=" (if idb "yes " "no ") ", params=" params)
  (print "I don't work anymore. open-run-close-no-exception-handling needs fixing or removing...")
  (exit)
  (if (or *db-write-access*
	  (not #t)) ;; was: (member proc * db:all-write-procs *)))
      (let* ((db (cond
		  ((pair? idb)                 (db:dbdat-get-db idb))
		  ((sqlite3:database? idb)     idb)
		  ((not idb)                   (debug:print-error 0 *default-log-port* "cannot open-run-close with #f anymore"))
		  ((procedure? idb)            (idb))
		  (else   	               (debug:print-error 0 *default-log-port* "cannot open-run-close with #f anymore"))))
	     (res #f))
	(set! res (apply proc db params))
	(if (not idb)(sqlite3:finalize! dbstruct))
	(debug:print-info 11 *default-log-port* "open-run-close-no-exception-handling END" )
	res)
      #f))

#;(define (open-run-close-exception-handling proc idb . params)
  (handle-exceptions
   exn
   (let ((sleep-time (pseudo-random-integer 30))
	 (err-status ((condition-property-accessor 'sqlite3 'status #f) exn)))
     (case err-status
       ((busy)
	(thread-sleep! sleep-time))
       (else
	(debug:print 0 *default-log-port* "EXCEPTION: database probably overloaded or unreadable.")
	(debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
	(debug:print 5 *default-log-port* "exn=" (condition->list exn))
	(debug:print 0 *default-log-port* " status:  " ((condition-property-accessor 'sqlite3 'status) exn))
	(print-call-chain (current-error-port))
	(thread-sleep! sleep-time)
	(debug:print-info 0 *default-log-port* "trying db call one more time....this may never recover, if necessary kill process " (current-process-id) " on host " (get-host-name) " to clean up")))
     (apply open-run-close-exception-handling proc idb params))
   (apply open-run-close-no-exception-handling proc idb params)))

;; (define open-run-close 
#;(define open-run-close open-run-close-exception-handling)
		;;	   open-run-close-no-exception-handling
;;			   open-run-close-exception-handling)
;;)

(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;" )))

(define (db:create-all-triggers dbstruct)
(db:with-db
   dbstruct #f #f
   (lambda (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 (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' ;" 
     )))

(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))) 


(define (db:initialize-db db)
  (assert *configinfo* "ERROR: db:initialize-db called before configfiles loaded. This is fatal.")
  (let* ((configdat (car *configinfo*))  ;; tut tut, global warning...
	 (keys     (keys:config-get-fields configdat))
	 (havekeys (> (length keys) 0))
	 (keystr   (keys->keystr keys))
	 (fieldstr (keys:make-key/field-string configdat))
	 #;(db       (dbr:dbdat-db dbdat)))
    (for-each (lambda (key)
		(let ((keyn key))
		  (if (member (string-downcase keyn)
			      (list "runname" "state" "status" "owner" "event_time" "comment" "fail_count"
				    "pass_count" "contour"))
		      (begin
			(print "ERROR: your key cannot be named " keyn " as this conflicts with the same named field in the runs table, you must remove your megatest.db and <linktree>/.db before trying again.")
			(exit 1)))))
	      keys)
    (sqlite3:with-transaction
     db
     (lambda ()
       (sqlite3:execute db "CREATE TABLE IF NOT EXISTS locks
                                   (id INTEGER PRIMARY KEY,
                                    lockname TEXT,
                                    owner_pid INTEGER,
                                    owner_host TEXT,
                                    event_time TIMESTAMP DEFAULT (strftime('%s','now')),
                               CONSTRAINT lock_constraint UNIQUE (lockname));")

       ;; maps to *srvpktspec* from http-transportmod
       (sqlite3:execute db "CREATE TABLE IF NOT EXISTS servers
                                   (id INTEGER PRIMARY KEY,
                                    host TEXT,
                                    port INTEGER,
                                    servkey TEXT,
                                    pid TEXT,
                                    ipaddr TEXT,
                                    apath TEXT,
                                    dbname TEXT,
                                    event_time TIMESTAMP DEFAULT (strftime('%s','now')),
                               CONSTRAINT servers_constraint UNIQUE (apath,dbname));")

       (sqlite3:execute db "CREATE TABLE IF NOT EXISTS keys
                                    (id INTEGER PRIMARY KEY,
                                     fieldname TEXT,
                                     fieldtype TEXT,
                                CONSTRAINT keyconstraint UNIQUE (fieldname));")
       
       (for-each (lambda (key)
		   (sqlite3:execute db "INSERT OR REPLACE INTO keys (fieldname,fieldtype) VALUES (?,?);" key "TEXT"))
		 keys)

       (sqlite3:execute db (conc 
			    "CREATE TABLE IF NOT EXISTS runs (id INTEGER PRIMARY KEY, \n			 " 
			     fieldstr (if havekeys "," "") "
			 runname    TEXT DEFAULT 'norun',
                         contour    TEXT DEFAULT '',
			 state      TEXT DEFAULT '',
			 status     TEXT DEFAULT '',
			 owner      TEXT DEFAULT '',
			 event_time TIMESTAMP DEFAULT (strftime('%s','now')),
			 comment    TEXT DEFAULT '',
			 fail_count INTEGER DEFAULT 0,
			 pass_count INTEGER DEFAULT 0,
                         last_update INTEGER DEFAULT (strftime('%s','now')),
			 CONSTRAINT runsconstraint UNIQUE (runname" (if havekeys "," "") keystr "));"))
       
	(sqlite3:execute db "CREATE TABLE IF NOT EXISTS run_stats (
                              id     INTEGER PRIMARY KEY,
                              run_id INTEGER,
                              state  TEXT,
                              status TEXT,
                              count  INTEGER,
                              last_update INTEGER DEFAULT (strftime('%s','now')))")
	(sqlite3:execute db "CREATE TABLE IF NOT EXISTS test_meta (
                                     id          INTEGER PRIMARY KEY,
                                     testname    TEXT DEFAULT '',
                                     author      TEXT DEFAULT '',
                                     owner       TEXT DEFAULT '',
                                     description TEXT DEFAULT '',
                                     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('%s','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('%s','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('%s','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. 
	;; cannot use db:set-var since it will deadlock, hardwire the code here
	(sqlite3:execute db "INSERT OR REPLACE INTO metadat (var,val) VALUES (?,?);" "MEGATEST_VERSION" (common:version-signature))
	(debug:print-info 11 *default-log-port* "db:initialize END") ;; ))))

	;;======================================================================
	;; R U N   S P E C I F I C   D B 
	;;======================================================================
	
	(sqlite3:execute db "CREATE TABLE IF NOT EXISTS tests 
                    (id INTEGER PRIMARY KEY,
                     run_id       INTEGER   DEFAULT -1,
                     testname     TEXT      DEFAULT 'noname',
                     host         TEXT      DEFAULT 'n/a',
                     cpuload      REAL      DEFAULT -1,
                     diskfree     INTEGER   DEFAULT -1,
                     uname        TEXT      DEFAULT 'n/a', 
                     rundir       TEXT      DEFAULT '/tmp/badname',
                     shortdir     TEXT      DEFAULT '/tmp/badname',
                     item_path    TEXT      DEFAULT '',
                     state        TEXT      DEFAULT 'NOT_STARTED',
                     status       TEXT      DEFAULT 'FAIL',
                     attemptnum   INTEGER   DEFAULT 0,
                     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
                     last_update  INTEGER DEFAULT (strftime('%s','now')),
                        CONSTRAINT testsconstraint UNIQUE (run_id, testname, item_path));")
	;; deprecated -- (sqlite3:execute db "CREATE INDEX IF NOT EXISTS tests_index ON tests (run_id, testname, item_path, uname);")
        
        (sqlite3:execute db "CREATE INDEX IF NOT EXISTS tests_run_id_index ON tests (run_id);")  ;; new
        (sqlite3:execute db "CREATE INDEX IF NOT EXISTS tests_testname_index ON tests (testname,item_path);") ;; new
        (sqlite3:execute db "CREATE INDEX IF NOT EXISTS tests_state_status_index ON tests (state, status); ") ;; new
	(sqlite3:execute db "CREATE TABLE IF NOT EXISTS test_steps 
                              (id INTEGER PRIMARY KEY,
                               test_id INTEGER, 
                               stepname TEXT, 
                               state TEXT DEFAULT 'NOT_STARTED', 
                               status TEXT DEFAULT 'n/a',
                               event_time TIMESTAMP,
                               comment TEXT DEFAULT '',
                               logfile TEXT DEFAULT '',
                               last_update  INTEGER DEFAULT (strftime('%s','now')),
                               CONSTRAINT test_steps_constraint UNIQUE (test_id,stepname,state));")
	(sqlite3:execute db "CREATE INDEX IF NOT EXISTS teststeps_index ON tests (run_id, testname, item_path);")
	(sqlite3:execute db "CREATE TABLE IF NOT EXISTS test_data (id INTEGER PRIMARY KEY,
                                test_id INTEGER,
                                category TEXT DEFAULT '',
                                variable TEXT,
	                        value REAL,
	                        expected REAL,
	                        tol REAL,
                                units TEXT,
                                comment TEXT DEFAULT '',
                                status TEXT DEFAULT 'n/a',
                                type TEXT DEFAULT '',
                                last_update  INTEGER DEFAULT (strftime('%s','now')),
                              CONSTRAINT test_data_constraint UNIQUE (test_id,category,variable));")
	(sqlite3:execute db "CREATE INDEX IF NOT EXISTS test_data_index ON test_data (test_id);")
	(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);")))
         (print "creating triggers from init") 
        (db:create-triggers db)    
     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* ((db           (db:get-inmem dbstruct #f)) ;; archive tables are in main.db
	 (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
;;
;; NEEDS WORK! THIS WILL LIKELY NOT WORK AS IS!
;;
(define (db:archive-register-disk dbstruct bdisk-name bdisk-path df)
  (let* ((db           (db:get-inmem dbstruct #f)) ;; archive tables are in main.db
	 (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* ((db           (db:get-inmem dbstruct #f)) ;; archive tables are in main.db
	 (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
	(if du (sqlite3:execute 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))
	(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))
	  (set! res (db:archive-register-block-name dbstruct bdisk-id archive-path du: du))))
    res))


;; 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))))
 
;; Look up the archive block info given a block-id
;;
(define (db:test-get-archive-block-info dbstruct archive-block-id)
  (db:with-db
   dbstruct
   #f
   #f
   (lambda (db)
     (let ((res #f))
       (sqlite3:for-each-row 
	;;        0         1           2        3          4           5
	(lambda (id archive-disk-id disk-path last-du last-du-time creation-time)
	  (set! res (vector id archive-disk-id disk-path last-du last-du-time creation-time)))
	db
	"SELECT id,archive_disk_id,disk_path,last_du,last_du_time,creation_time FROM archive_blocks WHERE id=?;"
	archive-block-id)
       res))))

;; (define (db:archive-allocate-testsuite/area-to-block block-id testsuite-name areakey)
;;   (let* ((dbdat        (db:get-inmem 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)
  (let* ((dbpath    (conc (if *toppath* (conc *toppath* "/") "") "logging.db")) ;; fname)
	 (dbexists  (common:file-exists? dbpath))
	 (db        (sqlite3:open-database dbpath))
	 (handler   (sqlite3:make-busy-timeout (if (args:get-arg "-override-timeout")
					   (string->number (args:get-arg "-override-timeout"))
					   136000)))) ;; 136000)))
    (sqlite3:set-busy-handler! db handler)
    (if (not dbexists)
	(begin
	  (sqlite3:execute db "CREATE TABLE IF NOT EXISTS log (id INTEGER PRIMARY KEY,event_time TIMESTAMP DEFAULT (strftime('%s','now')),logline TEXT,pwd TEXT,cmdline TEXT,pid INTEGER);")
	  (db:set-sync db) ;; (sqlite3:execute db (conc "PRAGMA synchronous = 0;"))
	  ))
    db))

(define (db:log-local-event . loglst)
  (let ((logline (apply conc loglst)))
    (db:log-event logline)))

(define (db:log-event logline)
  (let ((db (open-logging-db)))
    (sqlite3:execute db "INSERT INTO log (logline,pwd,cmdline,pid) VALUES (?,?,?,?);"
		     logline
		     (current-directory)
		     (string-intersperse (argv) " ")
		     (current-process-id))
    (sqlite3:finalize! db)
    logline))

;;======================================================================
;; 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* ((incompleted '())
	 (oldlaunched '())
	 (toplevels   '())
	 (deadtime-str (configf:lookup *configdat* "setup" "deadtime"))
	 (deadtime     (if (and deadtime-str
				(string->number deadtime-str))
			   (string->number deadtime-str)
			   72000))) ;; twenty hours
    (db:with-db
     dbstruct #f #f
     (lambda (db)
       (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 *default-log-port* "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 *default-log-port* "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)))))

(define (db:get-status-from-final-status-file run-dir)
  (let ((infile (conc run-dir "/.final-status")))
    ;; first verify we are able to write the output file
    (if (not (file-readable? infile))
        (begin 
	  (debug:print 0 *default-log-port* "ERROR: cannot read " infile)
          (debug:print 0 *default-log-port* "ERROR: run-dir is " run-dir)
          #f
          )
        (with-input-from-file infile read-lines)
	)))

;;  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','LAUNCHED'));

(define (db:find-and-mark-incomplete dbstruct run-id ovr-deadtime)
  (let* ((incompleted '())
	 (oldlaunched '())
	 (toplevels   '())
          ;; The default running-deadtime is 720 seconds = 12 minutes.
          ;; "(running-deadtime-default (+ server-start-allowance (* 2 launch-monitor-period)))" = 200 + (2 * (200 + 30 + 30))
         (deadtime-trim (or ovr-deadtime (configf:lookup-number *configdat* "setup" "deadtime")))
         (server-start-allowance 200)
         (server-overloaded-budget 200)
         (launch-monitor-off-time (or (configf:lookup-number *configdat* "setup" "test-stats-update-period") 30))
         (launch-monitor-on-time-budget 30)
         (launch-monitor-period (+ launch-monitor-off-time launch-monitor-on-time-budget server-overloaded-budget))
         (remotehoststart-deadtime-default (+ server-start-allowance server-overloaded-budget 30))
         (remotehoststart-deadtime (or deadtime-trim remotehoststart-deadtime-default))
         (running-deadtime-default (+ server-start-allowance (* 2 launch-monitor-period)))
         (running-deadtime (or deadtime-trim running-deadtime-default)) ;; two minutes (30 seconds between updates, this leaves 3x grace period)
         )
    (debug:print-info 4  *default-log-port* "running-deadtime = " running-deadtime)
    (debug:print-info 4  *default-log-port* "deadtime-trim = " deadtime-trim)

    (db:with-db 
     dbstruct #f #f
     (lambda (db)
       (let* ((stmth1 (db:get-cache-stmth
		       dbstruct db
		       "SELECT id,rundir,uname,testname,item_path,event_time,run_duration FROM tests 
                           WHERE run_id=? AND (strftime('%s','now') - event_time) > (run_duration + ?)
                                          AND state IN ('RUNNING');"))
	      (stmth2 (db:get-cache-stmth
		       dbstruct db
		       "SELECT id,rundir,uname,testname,item_path,event_time,run_duration FROM tests 
                           WHERE run_id=? AND (strftime('%s','now') - event_time) > (run_duration + ?)
                                          AND state IN ('REMOTEHOSTSTART');"))
	      (stmth3 (db:get-cache-stmth
		       dbstruct db
		       "SELECT id,rundir,uname,testname,item_path FROM tests
                           WHERE run_id=? AND (strftime('%s','now') - event_time) > 86400
                                          AND state IN ('LAUNCHED');")))
	 ;; 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 event-time run-duration)
	    (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 *default-log-port* "Found old toplevel test in RUNNING state, test-id=" test-id))
		(begin
		  (set! incompleted (cons (list test-id run-dir uname testname item-path run-id) incompleted))
		  (debug:print-info 0 *default-log-port* "Found old test in RUNNING state, test-id="
				    test-id" exceeded running-deadtime "running-deadtime" now="(current-seconds)
				    " event-time="event-time" run-duration="run-duration))))
	  stmth1
	  run-id running-deadtime) ;; default time 720 seconds
       
	 (sqlite3:for-each-row 
	  (lambda (test-id run-dir uname testname item-path event-time run-duration)
	    (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 *default-log-port* "Found old toplevel test in RUNNING state, test-id=" test-id))
		(begin
		  (debug:print-info 0 *default-log-port* "Found old test in REMOTEHOSTSTART state, test-id=" test-id
				    " exceeded running-deadtime "running-deadtime" now="(current-seconds)" event-time="event-time
				    " run-duration="run-duration)
		  (set! incompleted (cons (list test-id run-dir uname testname item-path run-id) incompleted)))))
	  stmth2
	  run-id remotehoststart-deadtime) ;; default time 230 seconds
	 
	 ;; 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))
		(begin
		  (debug:print-info 0 *default-log-port* "Found old test in LAUNCHED state, test-id=" test-id
				    " 1 day since event_time marked")
                (set! oldlaunched (cons (list test-id run-dir uname testname item-path run-id) oldlaunched)))))
	  stmth3
	  run-id)
       
	 (debug:print-info 18 *default-log-port* "Found " (length oldlaunched) " old LAUNCHED items, "
			   (length toplevels) " old LAUNCHED toplevel tests and "
			   (length incompleted) " tests marked RUNNING but apparently dead."))

	 ;; These are defunct tests, do not do all the overhead of set-state-status. Force them to INCOMPLETE.
       ;;
	 ;; (db:delay-if-busy dbdat)
	 (let* ((min-incompleted-ids (map car incompleted)) ;; do 'em all
		(all-ids             (append min-incompleted-ids (map car oldlaunched))))
	   (if (> (length all-ids) 0)
	       (begin
		 ;; (launch:is-test-alive "localhost" 435)
		 (debug:print 0 *default-log-port* "WARNING: Marking test(s); " (string-intersperse (map conc all-ids) ", ")
			      " as DEAD")
		 (for-each
                  (lambda (test-id)
                    (let* (;; (run-dir (db:test-get-rundir-from-test-id dbstruct run-id test-id))
			   (tinfo   (db:get-test-info-by-id dbstruct run-id test-id))
			   (run-dir (db:test-get-rundir     tinfo))
			   (host    (db:test-get-host       tinfo))
			   (pid     (db:test-get-process_id tinfo))
			   (result (db:get-status-from-final-status-file run-dir)))
		      (if (and (list? result) (> (length result) 1) (equal? "PASS" (cadr result)) (equal? "COMPLETED" (car result))) 
			  (begin
			    (debug:print 0 *default-log-port* "INFO: test " test-id " actually passed, so marking PASS not DEAD")
			    (db:set-state-status-and-roll-up-items
			     dbstruct run-id test-id 'foo "COMPLETED" "PASS"
			     "Test stopped responding but it has PASSED; marking it PASS in the DB."))
			  (let ((is-alive (and (not (eq? pid 0))  ;; 0 is default in re-used field "attemptnum" where pid stored.
					       (launch:is-test-alive host pid))))
			    (if is-alive
				(debug:print 0 *default-log-port* "INFO: test " test-id " on host " host
					     " has a process on pid " pid ", NOT setting to DEAD.")
				(begin
				  (debug:print 0 *default-log-port* "INFO: test " test-id
					       " final state/status is not COMPLETED/PASS. It is " result)
				  (db:set-state-status-and-roll-up-items
				   dbstruct run-id test-id 'foo "COMPLETED" "DEAD"
				   "Test stopped responding while in RUNNING or REMOTEHOSTSTART; presumed dead.")))))))
		  ;; call end of eud of run detection for posthook - from merge, is it needed?
		  ;; (launch:end-of-run-check run-id)
		  all-ids)
		 ;;call end of eud of run detection for posthook
		 ;; MATT: Moving this to rmt.scm - call right after calling find-and-mark-complete
		 ;; (launch:end-of-run-check run-id)
		 )))))))

;; BUG: Probably broken - does not explicitly use run-id in the query
;;
(define (db:top-test-set-per-pf-counts dbstruct run-id test-name)
  (db:general-call dbstruct 'top-test-set-per-pf-counts (list test-name test-name test-name test-name test-name test-name test-name test-name test-name test-name test-name test-name test-name test-name test-name test-name test-name)))

;; 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 dbdat run-id)
  ;; (debug:print 0 *default-log-port* "WARNING: db clean up not fully ported to v1.60, cleanup action will be on megatest.db")
  (let* ((keep-record-age ( - (current-seconds) (common:hms-string->seconds (or (configf:lookup *configdat* "setup" "delete-record-age") "30d"))))
	 (db         (db:get-inmem dbdat run-id))
	 (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'
	       (conc "DELETE FROM tests WHERE run_id in (SELECT id FROM runs WHERE state='deleted') and last_update < " keep-record-age ";")
	       ;; delete all tests that are 'DELETED'
	       (conc "DELETE FROM tests WHERE state='DELETED' and last_update < " keep-record-age " ;")
	       ;; delete all tests that have no run
	       (conc "DELETE FROM tests WHERE run_id NOT IN (SELECT DISTINCT id FROM runs) and last_update < " keep-record-age "; ")
	       ;; delete all runs that are state='deleted'
	       (conc "DELETE FROM runs WHERE state='deleted' and last_update < " keep-record-age ";")
	       ;; delete empty runs
	       (conc "DELETE FROM runs WHERE id NOT IN (SELECT DISTINCT r.id FROM runs AS r INNER JOIN tests AS t ON t.run_id=r.id) and last_update < " keep-record-age ";")
	       ;; remove orphaned test_rundat entries
	       (conc "DELETE FROM test_rundat where test_id NOT IN (SELECT id FROM tests);")
	       ;; remove orphaned test_steps entries
	       (conc "DELETE FROM test_steps WHERE test_id NOT IN (SELECT id FROM tests);")
               ;; remove orphaned test_dat entries
	       (conc "DELETE FROM test_data WHERE test_id NOT IN (SELECT id FROM tests);")

	       ))))
    ;; (db:delay-if-busy dbdat)
    ;(debug:print-info 0 *default-log-port*  statements) 
    (sqlite3:with-transaction 
     db
     (lambda ()
       (sqlite3:for-each-row (lambda (tot)
			       (debug:print-info 0 *default-log-port* "Records count before clean: " tot))
			     count-stmt)
       (map sqlite3:execute statements)
       (sqlite3:for-each-row (lambda (tot)
			       (debug:print-info 0 *default-log-port* "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 run-id)
  ;; (debug:print 0 *default-log-port* "WARNING: db clean up not fully ported to v1.60, cleanup action will be on megatest.db")
  (let* ((db         (db:get-inmem dbdat run-id))
	 (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 *default-log-port* "Records count before clean: " tot))
			     count-stmt)
       (map sqlite3:execute statements)
       (sqlite3:for-each-row (lambda (tot)
			       (debug:print-info 0 *default-log-port* "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 *default-log-port* "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 *default-log-port* "Records count before clean: " tot))
;; 			     count-stmt)
;;        (map sqlite3:execute statements)
;;        (sqlite3:for-each-row (lambda (tot)
;; 			       (debug:print-info 0 *default-log-port* "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*
;;
(define (db:get-var dbstruct var)
  (let* ((res      #f))
    (db:with-db
     dbstruct #f #f
     (lambda (db)
       (sqlite3:for-each-row
        (lambda (val)
          (set! res val))
        db
        "SELECT val FROM metadat WHERE var=?;" var)
       ;; convert to number if can
       (if (string? res)
           (let ((valnum (string->number res)))
             (if valnum (set! res valnum))))
       res))))

(define (db:inc-var dbstruct var)
  (db:with-db dbstruct #f #t 
	      (lambda (db)
		(sqlite3:execute db "UPDATE metadat SET val=val+1 WHERE var=?;" var))))

(define (db:dec-var dbstruct var)
  (db:with-db dbstruct #f #t 
	      (lambda (db)
		(sqlite3:execute db "UPDATE metadat SET val=val-1 WHERE var=?;" var))))

;; This was part of db:get-var. It was used to estimate the load on
;; the database files.
;;
;; scale by 10, average with current value.
;;     (set! *global-delta* (/ (+ *global-delta* (* (- (current-milliseconds) start-ms)
;; 						 (if throttle throttle 0.01)))
;; 			    2))
;;     (if (> (abs (- *last-global-delta-printed* *global-delta*)) 0.08) ;; don't print all the time, only if it changes a bit
;; 	(begin
;; 	  (debug:print-info 4 *default-log-port* "launch throttle factor=" *global-delta*)
;; 	  (set! *last-global-delta-printed* *global-delta*)))

(define (db:set-var dbstruct var val)
  (db:with-db dbstruct #f #t 
	      (lambda (db)
		(sqlite3:execute db "INSERT OR REPLACE INTO metadat (var,val) VALUES (?,?);" var val))))

(define (db:add-var dbstruct var val)
  (db:with-db dbstruct #f #t 
	      (lambda (db)
		(sqlite3:execute db "UPDATE metadat SET val=val+? WHERE var=?;" val var))))

(define (db:del-var dbstruct var)
  (db:with-db dbstruct #f #t 
	      (lambda (db)
		(sqlite3:execute db "DELETE FROM metadat WHERE var=?;" var))))

;;======================================================================
;; no-sync.db - small bits of data to be shared between servers
;;======================================================================

(define (db:open-no-sync-db)
  (let* ((dbpath (common:get-db-tmp-area))
	 (dbname (conc dbpath "/no-sync.db"))
	 (db-exists (common:file-exists? dbname))
	 (db     (sqlite3:open-database dbname)))
    (sqlite3:set-busy-handler! db (sqlite3:make-busy-timeout 136000))
    (if (not db-exists)
	(begin
	  (sqlite3:execute db "PRAGMA synchronous = 0;")
	  (sqlite3:execute db "CREATE TABLE IF NOT EXISTS no_sync_metadat (var TEXT,val TEXT, CONSTRAINT no_sync_metadat_constraint UNIQUE (var));")
	  (sqlite3:execute db "PRAGMA journal_mode=WAL;")))
    db))

;; if we are not a server create a db handle. this is not finalized
;; so watch for problems. I'm still not clear if it is needed to manually
;; finalize sqlite3 dbs with the sqlite3 egg.
;;
(define (db:no-sync-db db-in)
  (mutex-lock! *db-access-mutex*)
  (let ((res (if db-in
                 db-in
                 (let ((db (db:open-no-sync-db)))
                   (set! *no-sync-db* db)
                   db))))
    (mutex-unlock! *db-access-mutex*)
    res))

(define (db:no-sync-set db var val)
  (sqlite3:execute (db:no-sync-db db) "INSERT OR REPLACE INTO no_sync_metadat (var,val) VALUES (?,?);" var val))

(define (db:no-sync-del! db var)
  (sqlite3:execute (db:no-sync-db db) "DELETE FROM no_sync_metadat WHERE var=?;" var))

(define (db:no-sync-get/default db var default)
  (let ((res default))
    (sqlite3:for-each-row
     (lambda (val)
       (set! res val))
     (db:no-sync-db db)
     "SELECT val FROM no_sync_metadat WHERE var=?;"
     var)
    (if res
        (let ((newres (if (string? res)
			  (string->number res)
			  #f)))
          (if newres
              newres
              res))
        res)))

(define (db:no-sync-close-db db stmt-cache)
  (db:safely-close-sqlite3-db db stmt-cache))

;; transaction protected lock aquisition
;; either:
;;    fails    returns  (#f . lock-creation-time)
;;    succeeds (returns (#t . lock-creation-time)
;; use (db:no-sync-del! db keyname) to release the lock
;;
(define (db:no-sync-get-lock db-in keyname)
  (let ((db (db:no-sync-db db-in)))
    (sqlite3:with-transaction
     db
     (lambda ()
       (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)))))))



;; use a global for some primitive caching, it is just silly to
;; re-read the db over and over again for the keys since they never
;; change

;; why get the keys from the db? why not get from the *configdat*
;; using keys:config-get-fields?

(define (db:get-keys dbstruct)
  (if *db-keys* *db-keys* 
      (let ((res '()))
	(db:with-db dbstruct #f #f
		    (lambda (db)
		      (sqlite3:for-each-row 
		       (lambda (key)
			 (set! res (cons key res)))
		       db
		       "SELECT fieldname FROM keys ORDER BY id DESC;")))
	(set! *db-keys* res)
	res)))

;; extract index number given a header/data structure
(define (db:get-index-by-header header field)
  (list-index (lambda (x)(equal? x field)) header))

;; look up values in a header/data structure
(define (db:get-value-by-header row header field)
  (if (or (null? header) (not row))
      #f
      (let loop ((hed (car header))
                 (tal (cdr header))
                 (n   0))
        (if (equal? hed field)
            (handle-exceptions
             exn
             (begin
               (debug:print 0 *default-log-port* "WARNING: attempt to read non-existant field, row="
			    row " header=" header " field=" field ", exn=" exn)
               #f)
             (vector-ref row n))
	    (if (null? tal) #f (loop (car tal)(cdr tal)(+ n 1)))))))

;; Accessors for the header/data structure
;; get rows and header from 
(define (db:get-header vec)(vector-ref vec 0))
(define (db:get-rows   vec)(vector-ref vec 1))

;;======================================================================
;;  R U N S
;;======================================================================





(define (db:get-run-times dbstruct run-patt target-patt)
(let ((res `())
           (qry 	(conc "select runname, (max(end_time)-min(event_time))/60 as runtime, target from (select runname, run_id,tests.event_time,tests.event_time+run_duration AS end_time, " (string-join (db:get-keys dbstruct) " || '/' || ") " as target from tests inner join runs on tests.run_id = runs.id where runs.runname like ? and target like ?) group by run_id ;")))
;(print qry)
(db:with-db 
   dbstruct
   #f ;; this is for the main runs db
   #f ;; does not modify db
   (lambda (db)
            (sqlite3:for-each-row
	(lambda (runname runtime target )
	  (set! res (cons (vector runname runtime target) res)))
	db
        qry 
	run-patt target-patt)
       
       res))))



(define (db:get-run-name-from-id dbstruct run-id)
  (db:with-db 
   dbstruct
   #f ;; this is for the main runs db
   #f ;; does not modify db
   (lambda (db)
     (let ((res #f))
       (sqlite3:for-each-row
	(lambda (runname)
	  (set! res runname))
	db
	"SELECT runname FROM runs WHERE id=?;"
	run-id)
       res))))

(define (db:get-run-key-val dbstruct run-id key)
  (db:with-db
   dbstruct
   #f
   #f
   (lambda (db)
     (let ((res #f))
       (sqlite3:for-each-row
	(lambda (val)
	  (set! res val))
	db
	(conc "SELECT " key " FROM runs WHERE id=?;")
	run-id)
       res))))

;; keys list to key1,key2,key3 ...
(define (runs:get-std-run-fields keys remfields)
  (let* ((header    (append keys remfields))
	 (keystr    (conc (keys->keystr keys) ","
			  (string-intersperse remfields ","))))
    (list keystr header)))

;; register a test run with the db, this accesses the main.db and does NOT
;; use server api
;;
(define (db:register-run dbstruct keyvals runname state status user contour-in)
  (let* ((keys      (map car keyvals))
	 (keystr    (keys->keystr keys))
	 (contour   (or contour-in ""))  ;; empty string to force no hierarcy and be backwards compatible.
	 (comma     (if (> (length keys) 0) "," ""))
	 (andstr    (if (> (length keys) 0) " AND " ""))
	 (valslots  (keys->valslots keys)) ;; ?,?,? ...
	 (allvals   (append (list runname state status user contour) (map cadr keyvals)))
	 (qryvals   (append (list runname) (map cadr keyvals)))
	 (key=?str  (string-intersperse (map (lambda (k)(conc k "=?")) keys) " AND ")))
    (debug:print 3 *default-log-port* "keys: " keys " allvals: " allvals " keyvals: " keyvals " key=?str is " key=?str)
    (debug:print 2 *default-log-port* "NOTE: using target " (string-intersperse (map cadr keyvals) "/") " for this run")
    (if (and runname (null? (filter (lambda (x)(not x)) keyvals))) ;; there must be a better way to "apply and"
	(db:with-db
	 dbstruct #f #f
	 (lambda (db)
	   (let ((res #f))
	     (apply sqlite3:execute db (conc "INSERT OR IGNORE INTO runs (runname,state,status,owner,event_time,contour" comma keystr ") VALUES (?,?,?,?,strftime('%s','now'),?" comma valslots ");")
		    allvals)
	     (apply sqlite3:for-each-row 
		    (lambda (id)
		      (set! res id))
		    db
		    (let ((qry (conc "SELECT id FROM runs WHERE (runname=? " andstr key=?str ");")))
		      qry)
		    qryvals)
	     (sqlite3:execute db "UPDATE runs SET state=?,status=?,event_time=strftime('%s','now') WHERE id=? AND state='deleted';" state status res)
	     res))) 
	(begin
	  (debug:print-error 0 *default-log-port* "Called without all necessary keys")
	  #f))))

;; replace header and keystr with a call to runs:get-std-run-fields
;;
;; keypatts: ( (KEY1 "abc%def")(KEY2 "%") )
;; runpatts: patt1,patt2 ...
;;
(define (db:get-runs dbstruct runpatt count offset keypatts)
  (let* ((res       '())
	 (keys       (db:get-keys dbstruct))
	 (runpattstr (db:patt->like "runname" runpatt))
	 (remfields  (list "id" "runname" "state" "status" "owner" "event_time"))
	 (header     (append keys remfields))
	 (keystr     (conc (keys->keystr keys) ","
			   (string-intersperse remfields ",")))
	 (qrystr     (conc "SELECT " keystr " FROM runs WHERE (" runpattstr ") " ;; runname LIKE ? "
			   ;; Generate: " AND x LIKE 'keypatt' ..."
			   (if (null? keypatts) ""
			       (conc " AND "
				     (string-join 
				      (map (lambda (keypatt)
					     (let ((key  (car keypatt))
						   (patt (cadr keypatt)))
					       (db:patt->like key patt)))
					   keypatts)
				      " AND ")))
			   " AND state != 'deleted' ORDER BY event_time DESC "
			   (if (number? count)
			       (conc " LIMIT " count)
			       "")
			   (if (number? offset)
			       (conc " OFFSET " offset)
			       ""))))
    (debug:print-info 11 *default-log-port* "db:get-runs START qrystr: " qrystr " keypatts: " keypatts " offset: " offset " limit: " count)
    (db:with-db dbstruct #f #f
		(lambda (db)		
		  (sqlite3:for-each-row
		   (lambda (a . x)
		     (set! res (cons (apply vector a x) res)))
		   db
		   qrystr
		   )))
    (debug:print-info 11 *default-log-port* "db:get-runs END qrystr: " qrystr " keypatts: " keypatts " offset: " offset " limit: " count)
    (vector header res)))


(define-record simple-run target id runname state status owner event_time)
(define-record-printer (simple-run x out)
  (fprintf out "#,(simple-run ~S ~S ~S ~S)"
	   (simple-run-target x) (simple-run-id x) (simple-run-runname x) (time->string (seconds->local-time (simple-run-event_time x) ))))

;; simple get-runs
;;
(define (db:simple-get-runs dbstruct runpatt count offset target last-update)
    (let* ((res       '())
	   (keys       (db:get-keys dbstruct))
	   (runpattstr (db:patt->like "runname" runpatt))
	   (remfields  (list "id" "runname" "state" "status" "owner" "event_time"))
	   (targstr    (string-intersperse keys "||'/'||"))
	   (keystr     (conc targstr " AS target,"
			     (string-intersperse remfields ",")))
	   (qrystr     (conc "SELECT " keystr " FROM runs WHERE (" runpattstr ") " ;; runname LIKE ? "
			     ;; Generate: " AND x LIKE 'keypatt' ..."
			     " AND target LIKE '" target "'"
			     " AND state != 'deleted' "
			     (if (number? last-update)
				 (conc " AND last_update >= " last-update)
				 "")
			     " ORDER BY event_time DESC "
			     (if (number? count)
				 (conc " LIMIT " count)
				 "")
			     (if (number? offset)
				 (conc " OFFSET " offset)
				 "")))
	   )
    (debug:print-info 11 *default-log-port* "db:get-runs START qrystr: " qrystr " target: " target " offset: " offset " limit: " count)
    (db:with-db dbstruct #f #f
		(lambda (db)		
		  (sqlite3:for-each-row
		   (lambda (target id runname state status owner event_time)
		     (set! res (cons (make-simple-run target id runname state status owner event_time) res)))
		   db
		   qrystr
		   )))
    (debug:print-info 11 *default-log-port* "db:get-runs END qrystr: " qrystr " target: " target " offset: " offset " limit: " count)
    res))

;; TODO: Switch this to use max(update_time) from each run db? Then if using a server there is no disk traffic (using inmem db)
;;
(define (db:get-changed-run-ids since-time)
  (let* ((dbdir      (common:get-db-tmp-area)) ;; (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 *default-log-port* "WARNING: Failed to process " dbfile " for run-id")
		    0))))
	  changed))))

;; Get all targets from the db
;;
(define (db:get-targets dbstruct)
  (let* ((res       '())
	 (keys       (db:get-keys dbstruct))
	 (header     keys) ;; (map key:get-fieldname keys))
	 (keystr     (keys->keystr keys))
	 (qrystr     (conc "SELECT " keystr " FROM runs WHERE state != 'deleted';"))
	 (seen       (make-hash-table)))
    (db:with-db
     dbstruct
     #f
     #f
     (lambda (db)
       (sqlite3:for-each-row
	(lambda (a . x)
	  (let ((targ (cons a x)))
	    (if (not (hash-table-ref/default seen targ #f))
		(begin
		  (hash-table-set! seen targ #t)
		  (set! res (cons (apply vector targ) res))))))
	db
	qrystr)
       (debug:print-info 11 *default-log-port* "db:get-targets END qrystr: " qrystr )
       (vector header res)))))

;; just get count of runs
(define (db:get-num-runs dbstruct runpatt)
  (db:with-db
   dbstruct
   #f
   #f
   (lambda (db)
     (let ((numruns 0))
       (debug:print-info 11 *default-log-port* "db:get-num-runs START " runpatt)
       (sqlite3:for-each-row 
	(lambda (count)
	  (set! numruns count))
	db
	"SELECT COUNT(id) FROM runs WHERE runname LIKE ? AND state != 'deleted';" runpatt)
       (debug:print-info 11 *default-log-port* "db:get-num-runs END " runpatt)
       numruns))))

;; just get count of runs
(define (db:get-runs-cnt-by-patt dbstruct runpatt targetpatt keys)
  (db:with-db
   dbstruct
   #f
   #f
   (lambda (db)
     (let ((numruns 0)
           (qry-str #f)
           (key-patt "")
	     	   (keyvals  (if targetpatt (keys:target->keyval keys targetpatt) '())))
     
    (for-each (lambda (keyval)
		(let* ((key    (car keyval))
		       (patt   (cadr keyval))
		       (fulkey (conc ":" key))
		       (wildtype (if (substring-index "%" patt) "like" "glob")))
         
		  (if patt
		      (set! key-patt (conc key-patt " AND " key " " wildtype " '" patt "'"))
		      (begin
			(debug:print-error 0 *default-log-port* "searching for runs with no pattern set for " fulkey)
			(exit 6)))))
	      keyvals)
    ;(print  runpatt " -- " key-patt)
    (set! qry-str (conc "SELECT COUNT(id) FROM runs WHERE state != 'deleted' AND runname  like '" runpatt "'" key-patt))
    ;(print qry-str )
       
       (sqlite3:for-each-row 
					 (lambda (count)
	  			    (set! numruns count))
				db
				qry-str)
       (debug:print-info 11 *default-log-port* "db:get-num-runs END " runpatt)
       numruns))))


;; (sqlite3#fold-row proc3670 init3671 db-or-stmt3672 . params3673)>
;; 
(define (db:get-raw-run-stats dbstruct run-id)
  (db:with-db
   dbstruct
   run-id
   #f
   (lambda (db)
     (sqlite3:fold-row
	(lambda (res state status count)
	  (cons (list state status count) res))
	'()
	db
	"SELECT state,status,count(id) AS count FROM tests WHERE run_id=? AND NOT(uname='n/a' AND item_path='') GROUP BY state,status;"
	run-id))))

;; Update run_stats for given run_id
;; input data is a list (state status count)
;;
(define (db:update-run-stats dbstruct run-id stats)
  ;; (mutex-lock! *db-transaction-mutex*)
  (db:with-db
   dbstruct
   #f
   #f

   (lambda (db)
     ;; remove previous data
     
     (let* ((stmt1 (sqlite3:prepare db "DELETE FROM run_stats WHERE run_id=? AND state=? AND status=?;"))
	    (stmt2 (sqlite3:prepare db "INSERT INTO run_stats (run_id,state,status,count) VALUES (?,?,?,?);"))
	    (res
	     (sqlite3:with-transaction
	      db
	      (lambda ()
		(for-each
		 (lambda (dat)
		   (sqlite3:execute stmt1 run-id (car dat)(cadr dat))
		   (apply sqlite3:execute stmt2 run-id dat))
		 stats)))))
       (sqlite3:finalize! stmt1)
       (sqlite3:finalize! stmt2)
       ;; (mutex-unlock! *db-transaction-mutex*)
       res))))

(define (db:get-main-run-stats dbstruct run-id)
  (db:with-db
   dbstruct
   #f ;; this data comes from main
   #f
   (lambda (db)
     (sqlite3:fold-row
	(lambda (res state status count)
	  (cons (list state status count) res))
	'()
	db
	"SELECT state,status,count FROM run_stats WHERE run_id=? AND run_id IN (SELECT id FROM runs WHERE state NOT IN ('DELETED','deleted'));"
	run-id))))

(define (db:print-current-query-stats)
  ;; generate stats from *db-api-call-time*
  (let ((ordered-keys (sort (hash-table-keys *db-api-call-time*)
			    (lambda (a b)
			      (let ((sum-a (common:sum (hash-table-ref *db-api-call-time* a)))
				    (sum-b (common:sum (hash-table-ref *db-api-call-time* b))))
				(> sum-a sum-b)))))
	(total        0))
    (for-each
     (lambda (cmd-key)
       (let* ((dat  (hash-table-ref *db-api-call-time* cmd-key))
	      (num  (length dat))
	      (avg  (if (> num 0)
			(/ (common:sum dat)(length dat)))))
	 (set! total (+ total num))
	 (debug:print-info 0 *default-log-port* cmd-key "\tavg: "avg
			   " max: " (common:max dat) " min: "
			   (common:min-max < dat) " num: " (length dat))))
     ordered-keys)
    (debug:print-info 0 *default-log-port* "TOTAL: "total
		      " api calls since start.")))

(define (db:get-all-run-ids dbstruct)
  (db:with-db
   dbstruct
   #f
   #f
   (lambda (db)
     (let ((run-ids '()))
       (sqlite3:for-each-row
	(lambda (run-id)
	  (set! run-ids (cons run-id run-ids)))
	db
	"SELECT id FROM runs WHERE state != 'deleted' ORDER BY event_time DESC;")
    (reverse run-ids)))))

;; get some basic run stats
;;
;; data structure:
;;
;; ( (runname (( state  count ) ... ))
;;   (   ...
;;
(define (db:get-run-stats dbstruct)
  (let* ((totals       (make-hash-table))
	 (curr         (make-hash-table))
	 (res          '())
	 (runs-info    '()))
    ;; First get all the runname/run-ids
    (db:with-db
     dbstruct #f #f
     (lambda (db)
       (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
	  dbstruct
	  run-id
	  #f
	  (lambda (db)
	    (sqlite3:for-each-row
	     (lambda (state status count)
	       (let ((netstate (if (equal? state "COMPLETED") status state)))
		 (if (string? netstate)
		     (begin
		       (hash-table-set! totals netstate (+ (hash-table-ref/default totals netstate 0) count))
		       (hash-table-set! curr   netstate (+ (hash-table-ref/default curr   netstate 0) count))))))
	     db
	     "SELECT state,status,count(id) FROM tests AS t WHERE run_id=? GROUP BY state,status ORDER BY state,status DESC;"
             run-id)
	    ;; add the per run counts to res
	    (for-each (lambda (state)
			(set! res (cons (list run-name state (hash-table-ref curr state)) res)))
		      (sort (hash-table-keys curr) string>=))
	    (set! curr (make-hash-table))))))
     runs-info)
    (for-each (lambda (state)
		(set! res (cons (list "Totals" state (hash-table-ref totals state)) res)))
	      (sort (hash-table-keys totals) string>=))
    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
;;
(define (db:get-runs-by-patt dbstruct keys runnamepatt targpatt offset limit fields last-update  sort-order ) ;; 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))
	 (key-patt "")
	 (runwildtype (if (substring-index "%" runnamepatt) "like" "glob"))
	 (qry-str  #f)
	 (keyvals  (if targpatt (keys:target->keyval keys targpatt) '())))
    (for-each (lambda (keyval)
		(let* ((key    (car keyval))
		       (patt   (cadr keyval))
		       (fulkey (conc ":" key))
		       (wildtype (if (substring-index "%" patt) "like" "glob")))
		  (if patt
		      (set! key-patt (conc key-patt " AND " key " " wildtype " '" patt "'"))
		      (begin
			(debug:print-error 0 *default-log-port* "searching for runs with no pattern set for " fulkey)
			(exit 6)))))
	      keyvals)
    (set! qry-str (conc "SELECT " keystr " FROM runs WHERE state != 'deleted' AND runname " runwildtype " ? " key-patt 
			(if last-update
			       (conc " AND last_update >= " last-update " ")
			       " ")
			" ORDER BY event_time " sort-order " " 
			(if limit  (conc " LIMIT " limit)   "")
			(if offset (conc " OFFSET " offset) "")
			";"))
    (debug:print-info 4 *default-log-port* "runs:get-runs-by-patt qry=" qry-str " " runnamepatt)
    ;(print "runs:get-runs-by-patt qry=" qry-str " " runnamepatt)

    (vector header 
            (reverse
             (db:with-db dbstruct #f #f ;; reads db, does not write to it.
                         (lambda (db)
                           (sqlite3:fold-row
                            (lambda (res . r)
                              (cons (list->vector r) res))
                            '()
                            db
                            qry-str
                            runnamepatt)))))))

;; use (get-value-by-header (db:get-header runinfo)(db:get-rows runinfo))
;; NOTE: Does NOT return a list of rows (or one row) for the first slot of the vector
;;       this is inconsistent with get-runs but it makes some sense.
;;
(define (db:get-run-info dbstruct run-id)
  ;;(if (hash-table-ref/default *run-info-cache* run-id #f)
  ;;    (hash-table-ref *run-info-cache* run-id)
  (let* ((res       (vector #f #f #f #f))
	 (keys      (db:get-keys dbstruct))
	 (remfields (list "id" "runname" "state" "status" "owner" "event_time" "comment" "fail_count" "pass_count" "contour" "last_update")) ;;  "area_id"))
	 (header    (append keys remfields))
	 (keystr    (conc (keys->keystr keys) ","
			  (string-intersperse remfields ","))))
    (debug:print-info 11 *default-log-port* "db:get-run-info run-id: " run-id " header: " header " keystr: " keystr)
    
    (db:with-db
     dbstruct #f #f
     (lambda (db)
       (sqlite3:for-each-row
	(lambda (a . x)
	  (set! res (apply vector a x)))
	db 
	(conc "SELECT " keystr " FROM runs WHERE id=?;")
	run-id)))
    (debug:print-info 11 *default-log-port* "db:get-run-info run-id: " run-id " header: " header " keystr: " keystr)
    (let ((finalres (vector header res)))
      ;; (hash-table-set! *run-info-cache* run-id finalres)
      finalres)))

(define (db:set-comment-for-run dbstruct run-id comment)
  (db:with-db
   dbstruct #f #f
   (lambda (db)
     (sqlite3:execute db "UPDATE runs SET comment=? WHERE id=?;" comment ;; (sdb:qry 'getid comment)
		      run-id))))

;; does not (obviously!) removed dependent data. But why not!!?
(define (db:delete-run dbstruct run-id)
  (db:with-db
   dbstruct #f #f
   (lambda (db)
     (sqlite3:with-transaction
      db
      (lambda ()
        (sqlite3:execute db "DELETE FROM test_steps WHERE test_id IN (SELECT id FROM tests WHERE run_id=?);" run-id)
        (sqlite3:execute db "DELETE FROM test_data WHERE test_id IN (SELECT id FROM tests WHERE run_id=?);"  run-id)
        (sqlite3:execute db "UPDATE tests SET state='DELETED',comment='' WHERE run_id=?;" run-id)
        ;; (db:delay-if-busy dbdat)
        (sqlite3:execute db "UPDATE runs SET state='deleted',comment='' WHERE id=?;" run-id))))))

(define (db:update-run-event_time dbstruct run-id)
  (db:with-db
   dbstruct #f #t
   (lambda (db)
     (sqlite3:execute db "UPDATE runs SET event_time=strftime('%s','now') WHERE id=?;" run-id))))

(define (db:lock/unlock-run dbstruct run-id lock unlock user)
  (db:with-db
   dbstruct #f #t
   (lambda (db)
     (let ((newlockval (if lock "locked"
			   (if unlock
			       "unlocked"
			       "locked")))) ;; semi-failsafe
       (sqlite3:execute db "UPDATE runs SET state=? WHERE id=?;" newlockval run-id)
       (sqlite3:execute db "INSERT INTO access_log (user,accessed,args) VALUES(?,strftime('%s','now'),?);"
			user (conc newlockval " " run-id))
       (debug:print-info 1 *default-log-port* "" newlockval " run number " run-id)))))

(define (db:set-run-status dbstruct run-id status msg)
  (db:with-db
   dbstruct #f #f
   (lambda (db)
       (if msg
         (sqlite3:execute db "UPDATE runs SET status=?,comment=? WHERE id=?;" status msg run-id)
         (sqlite3:execute db "UPDATE runs SET status=? WHERE id=?;" status run-id)))))

(define (db:set-run-state-status dbstruct run-id state status )
  (db:with-db
   dbstruct #f #f
   (lambda (db)
          (sqlite3:execute db "UPDATE runs SET status=?,state=? WHERE id=?;" status state run-id))))



(define (db:get-run-status dbstruct run-id)
  (let ((res "n/a"))
    (db:with-db
     dbstruct #f #f
     (lambda (db)
       (sqlite3:for-each-row 
	(lambda (status)
	  (set! res status))
	db
	"SELECT status FROM runs WHERE id=?;" 
	run-id)
       res))))

(define (db:get-run-state dbstruct run-id)
  (let ((res "n/a"))
    (db:with-db
     dbstruct #f #f
     (lambda (db)
       (sqlite3:for-each-row 
	(lambda (status)
	  (set! res status))
	db
	"SELECT state FROM runs WHERE id=?;" 
	run-id)
       res))))


;;======================================================================
;; K E Y S
;;======================================================================

;; get key val pairs for a given run-id
;; ( (FIELDNAME1 keyval1) (FIELDNAME2 keyval2) ... )
(define (db:get-key-val-pairs dbstruct run-id)
  (let* ((keys (db:get-keys dbstruct))
	 (res  '()))
    (db:with-db
     dbstruct #f #f
     (lambda (db)
       (for-each 
	(lambda (key)
	  (let ((qry (conc "SELECT " key " FROM runs WHERE id=?;")))
	    (sqlite3:for-each-row 
	     (lambda (key-val)
	       (set! res (cons (list key (if (string? key-val) key-val "")) res))) ;; replace non-string bad values with empty string to prevent crashes. This scenario can happen when Megatest is killed on updating the db
	     db qry run-id)))
	keys)))
       (reverse res)))

;; get key vals for a given run-id
(define (db:get-key-vals dbstruct run-id)
  (let* ((keys (db:get-keys dbstruct))
	 (res  '()))
    (db:with-db
     dbstruct #f #f
     (lambda (db)
       (for-each 
	(lambda (key)
	  (let ((qry (conc "SELECT " key " FROM runs WHERE id=?;")))
	    ;; (db:delay-if-busy dbdat)
	    (sqlite3:for-each-row 
	     (lambda (key-val)
	       (set! res (cons (if (string? key-val) key-val "") res))) ;; check that the key-val is a string for cases where a crash injected bad data in the megatest.db
	     db qry run-id)))
	keys)))
    (let ((final-res (reverse res)))
      (hash-table-set! *keyvals* run-id final-res)
      final-res)))

;; The target is keyval1/keyval2..., cached in *target* as it is used often
(define (db:get-target dbstruct run-id)
  (let* ((keyvals (db:get-key-vals dbstruct run-id))
	 (thekey  (string-intersperse (map (lambda (x)(if x x "-na-")) keyvals) "/")))
    thekey))

;; Get run-ids for runs with same target but different runnames and NOT run-id
;;
(define (db:get-prev-run-ids dbstruct run-id)
  (let* ((keyvals (db:get-key-val-pairs dbstruct run-id))
	 (kvalues (map cadr keyvals))
	 (keys    (db:get-keys dbstruct))
	 (qrystr  (string-intersperse (map (lambda (x)(conc x "=?")) keys) " AND ")))
    (let ((prev-run-ids '()))
      (if (null? keyvals)
          '()
          (begin
            (db:with-db dbstruct #f #f ;; #f means work with the zeroth db - i.e. the runs db
                        (lambda (db)
                          (apply sqlite3:for-each-row
                                 (lambda (id)
                                   (set! prev-run-ids (cons id prev-run-ids)))
                                 db
                                 (conc "SELECT id FROM runs WHERE " qrystr " AND state != 'deleted' AND id != ?;")
                                 (append kvalues (list run-id)))))
            prev-run-ids)))))

;;======================================================================
;;  T E S T S
;;======================================================================

;; states and statuses are lists, turn them into ("PASS","FAIL"...) and use NOT IN
;; i.e. these lists define what to NOT show.
;; states and statuses are required to be lists, empty is ok
;; not-in #t = above behaviour, #f = must match
;; mode:
;;  'dashboard - use state = 'COMPLETED' AND status in ( statuses ) OR state in ( states )
;;
(define (db:get-tests-for-run dbstruct run-id testpatt states statuses offset limit not-in sort-by sort-order qryvals last-update mode)
  (let* ((qryvalstr       (case qryvals
			    ((shortlist) "id,run_id,testname,item_path,state,status")
			    ((#f)        db:test-record-qry-selector) ;; "id,run_id,testname,state,status,event_time,host,cpuload,diskfree,uname,rundir,item_path,run_duration,final_logf,comment")
			    (else        qryvals)))
	 (res            '())
	 ;; if states or statuses are null then assume match all when not-in is false
	 (states-qry      (if (null? states) 
			      #f
			      (conc " state "  
				    (if (eq? mode 'dashboard)
					" IN ('"
					(if not-in
					    " NOT IN ('"
					    " IN ('")) 
				    (string-intersperse states   "','")
				    "')")))
	 (statuses-qry    (if (null? statuses)
			      #f
			      (conc " status "
				    (if (eq? mode 'dashboard)
					" IN ('"
					(if not-in 
					    " NOT IN ('"
					    " IN ('") )
				    (string-intersperse statuses "','")
				    "')")))
	 (interim-qry       (conc " AND " (if not-in "NOT " "") "( state='COMPLETED' " (if statuses-qry (conc " AND " statuses-qry " ) ") " ) ")
				  (if states-qry
				      (conc (if not-in " AND " " OR ") states-qry ) ;; " ) ")
				      "")))
	 (states-statuses-qry 
	  (cond 
	   ((and states-qry statuses-qry)
	    (case mode
	      ((dashboard) 
	       (if not-in
		   (conc " AND (state='COMPLETED' AND status NOT IN ('" (string-intersperse statuses "','") "')) "
			 " OR (state != 'COMPLETED' AND state NOT IN ('" (string-intersperse states "','") "')) ")
		   (conc " AND (state='COMPLETED' AND status IN ('" (string-intersperse statuses "','") "')) "
			 " OR (state NOT IN ('COMPLETED','DELETED') AND state IN ('" (string-intersperse states "','") "')) ")))
	      (else       (conc " AND ( " states-qry " AND " statuses-qry " ) "))))
	   (states-qry  
	    (case mode
	      ((dashboard) (conc " AND " (if not-in "NOT " "") " state IN ('" (string-intersperse states    "','") "') ")) ;; interim-qry)
	      (else        (conc " AND " states-qry))))
	   (statuses-qry 
	    (case mode
	      ((dashboard) (conc " AND " (if not-in "NOT " "") " status IN ('" (string-intersperse statuses "','") "') ")) ;; interim-qry)
	      (else        (conc " AND " statuses-qry))))
	   (else "")))
	 (tests-match-qry (tests:match->sqlqry testpatt))
	 (qry             (conc "SELECT " qryvalstr
				(if run-id
				    " FROM tests WHERE run_id=? "
				    " FROM tests WHERE ? > 0 ") ;; should work?
				(if last-update " " " AND state != 'DELETED' ") ;; if using last-update we want deleted tests?
				states-statuses-qry
				(if tests-match-qry (conc " AND (" tests-match-qry ") ") "")
				(if last-update (conc " AND last_update >= " last-update " ") "")
				(case sort-by
				  ((rundir)      " ORDER BY length(rundir) ")
				  ((testname)    (conc " ORDER BY testname " (if sort-order (conc sort-order ",") "") " item_path "))
				  ((statestatus) (conc " ORDER BY state " (if  sort-order (conc sort-order ",") "") " status "))
				  ((event_time)  " ORDER BY event_time ")
				  (else          (if (string? sort-by)
						     (conc " ORDER BY " sort-by " ")
						     " ")))
				(if sort-order sort-order " ")
				(if limit  (conc " LIMIT " limit)   " ")
				(if offset (conc " OFFSET " offset) " ")
				";"
				)))
    (debug:print-info 8 *default-log-port* "db:get-tests-for-run run-id=" run-id ", qry=" qry)
    (let* ((res (db:with-db dbstruct run-id #f
			    (lambda (db)
			      ;; (let* ((stmth (db:get-cache-stmth dbstruct db qry))) ;; due to use of last-update we can't efficiently cache this query
				(reverse
				 (sqlite3:fold-row
				  (lambda (res . row)
				    ;; id run-id testname state status event-time host cpuload
				    ;;     diskfree uname rundir item-path run-duration final-logf comment)
				    (cons (list->vector row) res))
				  '()
				  db qry ;; stmth
				  (or run-id 1) ;; 1 > 0 , for the case where we are seeking tests matching criteral for all runs
				  ))))))
      (case qryvals
	((shortlist)(map db:test-short-record->norm res))
	((#f)       res)
	(else       res)))))

(define (db:test-short-record->norm inrec)
  ;;  "id,run_id,testname,item_path,state,status"
  ;;  "id,run_id,testname,state,status,event_time,host,cpuload,diskfree,uname,rundir,item_path,run_duration,final_logf,comment
  (vector (vector-ref inrec 0) ;; id
	  (vector-ref inrec 1) ;; run_id
	  (vector-ref inrec 2) ;; testname
	  (vector-ref inrec 4) ;; state
	  (vector-ref inrec 5) ;; status
	  -1 "" -1 -1 "" "-" 
	  (vector-ref inrec 3) ;; item-path
	  -1 "-" "-"))

;;
;; 1. cache tests-match-qry
;; 2. compile qry and store in hash
;; 3. convert for-each-row to fold
;;
;; (define (db:get-tests-for-run-state-status dbstruct run-id testpatt)
;;   (db:with-db
;;    dbstruct run-id #f
;;    (lambda (db)
;;      (let* ((res            '())
;; 	    (stmt-cache      (dbr:dbstruct-stmt-cache dbstruct))
;; 	    (stmth           (let* ((sh (db:hoh-get stmt-cache db testpatt)))
;; 			       (or sh
;; 				   (let* ((tests-match-qry (tests:match->sqlqry testpatt))
;; 					  (qry             (conc "SELECT id,testname,item_path,state,status FROM tests WHERE run_id=? " 
;; 								 (if tests-match-qry (conc " AND (" tests-match-qry ") ") "")))
;; 					  (newsh           (sqlite3:prepare db qry)))
;; 				     (debug:print-info 8 *default-log-port* "db:get-tests-for-run qry=" qry)
;; 				     (db:hoh-set! stmt-cache db testpatt newsh)
;; 				     newsh)))))
;;        (reverse
;; 	(sqlite3:fold-row
;; 	 (lambda (res id testname item-path state status)
;; 	   ;;  id,run_id,testname,state,status,event_time,host,cpuload,diskfree,uname,rundir,item_path,run_duration,final_logf,comment
;; 	   (cons (vector id run-id testname state status -1         ""     -1      -1       ""    "-"  item-path -1           "-"         "-") res))
;; 	 '()
;; 	 stmth
;; 	 run-id))))))

(define (db:get-tests-for-run-state-status dbstruct run-id testpatt #!optional (last-update 0))
  (let* ((res            '())
	 (tests-match-qry (tests:match->sqlqry testpatt))
	 (qry             (conc "SELECT id,testname,item_path,state,status,event_time,run_duration FROM tests WHERE run_id=? " 
				" AND last_update > ? "
				(if tests-match-qry (conc " AND (" tests-match-qry ") ") "")
				)))
    (debug:print-info 8 *default-log-port* "db:get-tests-for-run qry=" qry)
    (db:with-db dbstruct run-id #f
		(lambda (db)
		  (sqlite3:fold-row
		   (lambda (res id testname item-path state status event-time run-duration)
		     ;;            id,run_id,testname,state,status,event_time,host,cpuload,diskfree,uname,rundir,item_path,run_duration,final_logf,comment
		     (cons (vector id run-id testname state status event-time  ""     -1      -1       ""    "-"  item-path run-duration  "-"         "-") res))
		   '()
		   db 
		   qry
		   run-id
		   (or last-update 0))))))

(define (db:get-testinfo-state-status dbstruct run-id test-id)
  (let ((res            #f))
    (db:with-db dbstruct run-id #f
		(lambda (db)
		  (sqlite3:for-each-row
		   (lambda (run-id testname item-path state status)
		     ;; id,run_id,testname,state,status,event_time,host,cpuload,diskfree,uname,rundir,item_path,run_duration,final_logf,comment
		     (set! res (vector test-id run-id testname state status -1 "" -1 -1 "" "-" item-path -1 "-" "-")))
		   db 
		   "SELECT run_id,testname,item_path,state,status FROM tests WHERE id=?;" 
		   test-id)))
    res))

;; get a useful subset of the tests data (used in dashboard
;; use db:mintest-get-{id ,run_id,testname ...}
;;
(define (db:get-tests-for-run-mindata dbstruct run-id testpatt states statuses not-in)
  (db:get-tests-for-run dbstruct run-id testpatt states statuses #f #f not-in #f #f "id,run_id,testname,state,status,event_time,item_path" 0 #f))

;; do not use.
;;
(define (db:get-tests-for-runs dbstruct run-ids testpatt states statuses #!key (not-in #f)(qryvals #f))
  ;; (db:delay-if-busy)
  (let ((res '()))
    (for-each 
     (lambda (run-id)
       (set! res (append 
		  res 
		  (db:get-tests-for-run dbstruct run-id testpatt states statuses #f #f not-in #f #f qryvals #f 'normal))))
     (if run-ids
	 run-ids
	 (db:get-all-run-ids dbstruct)))
    res))

;; Convert calling routines to get list of run-ids and loop, do not use the get-tests-for-runs
;;

(define (db:delete-test-records dbstruct run-id test-id)
  (db:general-call dbstruct 'delete-test-step-records (list test-id))
  (db:general-call dbstruct 'delete-test-data-records (list test-id))
  (db:with-db
   dbstruct #f #f
   (lambda (db)
     (sqlite3:execute db "UPDATE tests SET state='DELETED',status='n/a',comment='' WHERE id=?;" test-id))))

;; 
(define (db:delete-old-deleted-test-records dbstruct)
  (let ((targtime (- (current-seconds)
		     (or (configf:lookup-number *configdat* "setup" "keep-deleted-records")
			 (* 30 24 60 60))))) ;; one month in the past
    (db:with-db
     dbstruct
     0
     #t
     (lambda (db)
       (sqlite3:with-transaction
	db
	(lambda ()
	  (sqlite3:execute db "DELETE FROM test_steps WHERE test_id IN (SELECT id FROM tests WHERE state='DELETED' AND event_time<?);" targtime)
	  (sqlite3:execute db "DELETE FROM test_data WHERE test_id IN (SELECT id FROM tests WHERE state='DELETED' AND event_time<?);" targtime)
	  (sqlite3:execute db "DELETE FROM tests WHERE state='DELETED' AND event_time<?;" targtime)))))))

;; set tests with state currstate and status currstatus to newstate and newstatus
;; use currstate = #f and or currstatus = #f to apply to any state or status respectively
;; WARNING: SQL injection risk. NB// See new but not yet used "faster" version below
;;
;;  AND NOT (item_path='' AND testname in (SELECT DISTINCT testname FROM tests WHERE testname=? AND item_path != ''));")))
;;  (debug:print 0 *default-log-port* "QRY: " qry)
;;  (db:delay-if-busy)
;;
;; NB// This call only operates on toplevel tests. Consider replacing it with more general call
;;
(define (db:set-tests-state-status dbstruct run-id testnames currstate currstatus newstate newstatus)
  (let ((test-ids '()))
    (for-each
     (lambda (testname)
       (let ((qry (conc "UPDATE tests SET state=?,status=? WHERE "
			(if currstate  (conc "state='" currstate "' AND ") "")
			(if currstatus (conc "status='" currstatus "' AND ") "")
			" run_id=? AND testname LIKE ?;"))
	     (test-id (db:get-test-id dbstruct run-id testname "")))
	 (db:with-db
	  dbstruct
	  run-id
	  #t
	  (lambda (db)
	    (sqlite3:execute db qry
			     (or newstate  currstate "NOT_STARTED")
			     (or newstatus currstate "UNKNOWN")
			     run-id testname)))
	 (if test-id
	     (begin
	       (set! test-ids (cons test-id test-ids))
	       (mt:process-triggers dbstruct run-id test-id newstate newstatus)))))
     testnames)
    test-ids))

;; ;; speed up for common cases with a little logic
;; ;; NB// Ultimately this will be deprecated in deference to mt:test-set-state-status-by-id
;;
;;      NOTE: run-id is not used
;; ;;
(define (db:test-set-state-status dbstruct run-id test-id newstate newstatus newcomment)
  (db:with-db
   dbstruct
   ;; run-id
   #f
   #t
   (lambda (db)
     (cond
      ((and newstate newstatus newcomment)
       (sqlite3:execute db "UPDATE tests SET state=?,status=?,comment=? WHERE id=?;" newstate newstatus newcomment ;; (sdb:qry 'getid newcomment)
			test-id))
      ((and newstate newstatus)
       (sqlite3:execute db "UPDATE tests SET state=?,status=? WHERE id=?;" newstate newstatus test-id))
      (else
       (if newstate   (sqlite3:execute db "UPDATE tests SET state=?   WHERE id=?;" newstate   test-id))
       (if newstatus  (sqlite3:execute db "UPDATE tests SET status=?  WHERE id=?;" newstatus  test-id))
       (if newcomment (sqlite3:execute db "UPDATE tests SET comment=? WHERE id=?;" newcomment ;; (sdb:qry 'getid newcomment)
				       test-id))))))
  (mt:process-triggers dbstruct run-id test-id newstate newstatus))

;; NEW BEHAVIOR: Count tests running in all runs!
;;
(define (db:get-count-tests-running dbstruct run-id) ;; fastmode)
  (let* ((qry ;; (if fastmode
		;;   "SELECT count(id) FROM tests WHERE state in ('RUNNING','LAUNCHED','REMOTEHOSTSTART') AND NOT (uname = 'n/a' AND item_path = '') LIMIT 1;"
		  "SELECT count(id) FROM tests WHERE state in ('RUNNING','LAUNCHED','REMOTEHOSTSTART') AND NOT (uname = 'n/a' AND item_path = '');")) ;; )
  (db:with-db
   dbstruct
   run-id
   #f
   (lambda (db)
     (let* ((stmth (db:get-cache-stmth dbstruct  db qry)))
       (sqlite3:first-result stmth))))))

;; NEW BEHAVIOR: Count tests running in only one run!
;;
(define (db:get-count-tests-actually-running dbstruct run-id)
  (db:with-db
   dbstruct
   run-id
   #f
   (lambda (db)
     (sqlite3:first-result
      db
      ;; WARNING BUG EDIT ME - merged from v1.55 - not sure what is right here ...
      ;; "SELECT count(id) FROM tests WHERE state in ('RUNNING','LAUNCHED','REMOTEHOSTSTART') AND run_id NOT IN (SELECT id FROM runs WHERE state='deleted') AND NOT (uname = 'n/a' AND item_path = '');")
      "SELECT count(id) FROM tests WHERE state in ('RUNNING','REMOTEHOSTSTART','LAUNCHED') AND run_id=?;" 
      run-id)))) ;; NOT IN (SELECT id FROM runs WHERE state='deleted');")

;; NEW BEHAVIOR: Look only at single run with run-id
;; 
;; (define (db:get-running-stats dbstruct run-id)
(define (db:get-count-tests-running-for-run-id dbstruct run-id) ;; fastmode)
  (let* ((qry ;; (if fastmode
		 ;;  "SELECT count(id) FROM tests WHERE state in ('RUNNING','LAUNCHED','REMOTEHOSTSTART') AND run_id=? LIMIT 1;"
		  "SELECT count(id) FROM tests WHERE state in ('RUNNING','LAUNCHED','REMOTEHOSTSTART') AND run_id=?;")) ;; )
    (db:with-db
     dbstruct
     run-id
     #f
     (lambda (db)
       (let* ((stmth (db:get-cache-stmth dbstruct db qry)))
	 (sqlite3:first-result stmth run-id))))))

;; For a given testname how many items are running? Used to determine
;; probability for regenerating html
;;
(define (db:get-count-tests-running-for-testname dbstruct run-id testname)
  (db:with-db
   dbstruct
   run-id
   #f
   (lambda (db)
     (let* ((stmt "SELECT count(id) FROM tests WHERE state in ('RUNNING','LAUNCHED','REMOTEHOSTSTART') AND run_id=? AND NOT (uname = 'n/a' AND item_path = '') AND testname=?;")
	    (stmth (db:get-cache-stmth dbstruct db stmt)))
       (sqlite3:first-result
	stmth run-id testname)))))

(define (db:get-not-completed-cnt dbstruct run-id)
(db:with-db
   dbstruct
   run-id
   #f
   (lambda (db)
      ;(print "SELECT count(id) FROM tests WHERE state not in ('COMPLETED', 'DELETED') AND run_id=" run-id)  
     (sqlite3:first-result
      db
      "SELECT count(id) FROM tests WHERE state not in ('COMPLETED', 'DELETED') AND run_id=?;" run-id))))

(define (db:get-count-tests-running-in-jobgroup dbstruct run-id jobgroup)
  (if (not jobgroup)
      0 ;; 
      (let ((testnames '()))
	;; get the testnames
	(db:with-db
	 dbstruct #f #f
	 (lambda (db)
	   (sqlite3:for-each-row
	    (lambda (testname)
	      (set! testnames (cons testname testnames)))
	    db
	    "SELECT testname FROM test_meta WHERE jobgroup=?"
	    jobgroup)))
	;; get the jobcount NB// EXTEND THIS TO OPPERATE OVER ALL RUNS?
	(if (not (null? testnames))
	    (db:with-db
	     dbstruct
	     run-id
	     #f
	     (lambda (db)
	       (sqlite3:first-result
		db
		(conc "SELECT count(id) FROM tests WHERE state in ('RUNNING','LAUNCHED','REMOTEHOSTSTART') AND testname in ('"
		      (string-intersperse testnames "','")
		      "') AND NOT (uname = 'n/a' AND item_path='');")) ;; should this include the (uname = 'n/a' ...) ???
	       ))
	    0))))

;; tags: '("tag%" "tag2" "%ag6")
;;

;; done with run when:
;;   0 tests in LAUNCHED, NOT_STARTED, REMOTEHOSTSTART, RUNNING
(define (db:estimated-tests-remaining dbstruct run-id)
  (db:with-db
   dbstruct
   run-id
   #f
   (lambda (db)
     (sqlite3:first-result
      db
      "SELECT count(id) FROM tests WHERE state in ('LAUNCHED','NOT_STARTED','REMOTEHOSTSTART','RUNNING','KILLREQ') AND run_id=?;")
     run-id)))

;; map run-id, testname item-path to test-id
(define (db:get-test-id dbstruct run-id testname item-path)
  (db:with-db
   dbstruct
   run-id
   #f
   (lambda (db)
     (db:first-result-default
      db
      "SELECT id FROM tests WHERE testname=? AND item_path=? AND run_id=?;"
      #f ;; the default
      testname item-path run-id))))

;; overload the unused attemptnum field for the process id of the runscript or 
;; ezsteps step script in progress
;;
(define (db:test-set-top-process-pid dbstruct run-id test-id pid)
  (db:with-db
   dbstruct
   run-id
   #f
   (lambda (db)
     (sqlite3:execute db "UPDATE tests SET attemptnum=? WHERE id=?;"
		      pid test-id))))

(define (db:test-get-top-process-pid dbstruct run-id test-id)
  (db:with-db
   dbstruct
   run-id
   #f
   (lambda (db)
     (db:first-result-default 
      db
      "SELECT attemptnum FROM tests WHERE id=?;"
      #f
      test-id))))

(define db:test-record-fields '("id"           "run_id"        "testname"  "state"      "status"      "event_time"
				"host"         "cpuload"       "diskfree"  "uname"      "rundir"      "item_path"
                                "run_duration" "final_logf"    "comment"   "shortdir"   "attemptnum"  "archived" "last_update"))

;; fields *must* be a non-empty list
;;
(define (db:field->number fieldname fields)
  (if (null? fields)
      #f
      (let loop ((hed  (car fields))
		 (tal  (cdr fields))
		 (indx 0))
	(if (equal? fieldname hed)
	    indx
	    (if (null? tal)
		#f
		(loop (car tal)(cdr tal)(+ indx 1)))))))

;; CONVERT THIS TO A FUNCTION!
(define db:test-record-qry-selector (string-intersperse db:test-record-fields ","))

(define (db:update-tesdata-on-repilcate-db dbstruct old-lt new-lt)
  (db:with-db
   dbstruct   #f   #f
   (lambda (db)
     (sqlite3:execute db "UPDATE tests SET rundir= replace(rundir,?,?), shortdir=replace(shortdir,?,?);"
		      old-lt new-lt  old-lt new-lt))))

;; NOTE: Use db:test-get* to access records
;; NOTE: This needs rundir decoding? Decide, decode here or where used? For the moment decode where used.
(define (db:get-all-tests-info-by-run-id dbstruct run-id)
  (let* ((res '()))
    (db:with-db
     dbstruct #f #f
     (lambda (db)
       (sqlite3:for-each-row
	(lambda (id run-id testname state status event-time host cpuload diskfree uname rundir item-path run-duration final-logf comment shortdir attemptnum archived)
	  ;;                 0    1       2      3      4        5       6      7        8     9     10      11          12          13       14     15        16
	  (set! res (cons (vector id run-id testname state status event-time host cpuload diskfree uname rundir item-path run-duration final-logf comment shortdir attemptnum archived)
			  res)))
	db
	(conc "SELECT " db:test-record-qry-selector " FROM tests WHERE state != 'DELETED' AND run_id=?;")
	run-id)))
    res))

(define (db:replace-test-records dbstruct run-id testrecs)
  (db:with-db dbstruct run-id #t 
	      (lambda (db)
		(let* ((qmarks (string-intersperse (make-list (length db:test-record-fields) "?") ","))
		       (qrystr (conc "INSERT OR REPLACE INTO tests (" db:test-record-qry-selector ") VALUES (" qmarks ") WHERE run_id=?;"))
		       (qry    (sqlite3:prepare db qrystr)))
		  (debug:print 0 *default-log-port* "INFO: migrating test records for run with id " run-id)
		  (sqlite3:with-transaction
		   db
		   (lambda ()
		     (for-each 
		      (lambda (rec)
			;; (debug:print 0 *default-log-port* "INFO: Inserting values: " (string-intersperse (map conc (vector->list rec)) ",") "\n")
			(apply sqlite3:execute qry (append (vector->list rec)(list run-id))))
		      testrecs)))
		  (sqlite3:finalize! qry)))))

;; ;; ;; map a test-id into the proper range
;; ;; ;;
;; ;; (define (db:adj-test-id mtdb min-test-id test-id)
;; ;;   (if (>= test-id min-test-id)
;; ;;       test-id
;; ;;       (let loop ((new-id min-test-id))
;; ;; 	(let ((test-id-found #f))
;; ;; 	  (sqlite3:for-each-row 
;; ;; 	   (lambda (id)
;; ;; 	     (set! test-id-found id))
;; ;; 	   (db:dbdat-get-db mtdb)
;; ;; 	   "SELECT id FROM tests WHERE id=?;"
;; ;; 	   new-id)
;; ;; 	  ;; if test-id-found then need to try again
;; ;; 	  (if test-id-found
;; ;; 	      (loop (+ new-id 1))
;; ;; 	      (begin
;; ;; 		(debug:print-info 0 *default-log-port* "New test id " new-id " selected for test with id " test-id)
;; ;; 		(sqlite3:execute mtdb "UPDATE tests SET id=? WHERE id=?;" new-id test-id)))))))

;; ;; ;; move test ids into the 30k * run_id range
;; ;; ;;
;; ;; (define (db:prep-megatest.db-adj-test-ids mtdb run-id testrecs)
;; ;;   (debug:print-info 0 *default-log-port* "Adjusting test ids in megatest.db for run " run-id)
;; ;;   (let ((min-test-id (* run-id 30000)))
;; ;;     (for-each 
;; ;;      (lambda (testrec)
;; ;;        (let* ((test-id (vector-ref testrec (db:field->number "id" db:test-record-fields))))
;; ;; 	 (db:adj-test-id (db:dbdat-get-db mtdb) min-test-id test-id)))
;; ;;      testrecs)))
	
;; ;; ;; 1. move test ids into the 30k * run_id range
;; ;; ;; 2. move step ids into the 30k * run_id range
;; ;; ;;
;; ;; (define (db:prep-megatest.db-for-migration mtdb)
;; ;;   (let* ((run-ids (db:get-all-run-ids mtdb)))
;; ;;     (for-each 
;; ;;      (lambda (run-id)
;; ;;        (let ((testrecs (db:get-all-tests-info-by-run-id mtdb run-id)))
;; ;; 	 (db:prep-megatest.db-adj-test-ids (db:dbdat-get-db mtdb) run-id testrecs)))
;; ;;      run-ids)))

;; Get test data using test_id
;; 
(define (db:get-test-info-by-id dbstruct run-id test-id)
  (db:with-db
   dbstruct
   run-id
   #f
   (lambda (db)
     (let ((res #f))
       (sqlite3:for-each-row ;; attemptnum added to hold pid of top process (not Megatest) controlling a test
	(lambda (id run-id testname state status event-time host cpuload diskfree uname rundir-id item-path run_duration final-logf-id comment short-dir-id attemptnum archived last-update)
	  ;;                0    1       2      3      4        5       6      7        8     9     10      11          12          13           14         15          16
	  (set! res (vector id run-id testname state status event-time host cpuload diskfree uname rundir-id item-path run_duration final-logf-id comment short-dir-id attemptnum archived last-update)))
	db
	(conc "SELECT " db:test-record-qry-selector " FROM tests WHERE id=?;")
	test-id)
       res))))

;; Use db:test-get* to access
;; Get test data using test_ids. NB// Only works within a single run!!
;;
(define (db:get-test-info-by-ids dbstruct run-id test-ids)
  (db:with-db
   dbstruct
   run-id
   #f
   (lambda (db)
     (let ((res '()))
       (sqlite3:for-each-row
	(lambda (a . b)
	  ;;                 0    1       2      3      4        5       6      7        8     9     10      11          12          13       14
	  (set! res (cons (apply vector a b) res)))
	db
	(conc "SELECT " db:test-record-qry-selector " FROM tests WHERE id in ("
	      (string-intersperse (map conc test-ids) ",") ");"))
       res))))

(define (db:get-test-info dbstruct run-id test-name item-path)
  (db:with-db
   dbstruct
   run-id
   #f
   (lambda (db)
     (let ((res #f))
       (sqlite3:for-each-row
	(lambda (a . b)
	  (set! res (apply vector a b)))
	db
	(conc "SELECT " db:test-record-qry-selector " FROM tests WHERE testname=? AND item_path=? AND run_id=?;")
	test-name item-path run-id)
       res))))

(define (db:test-get-rundir-from-test-id dbstruct run-id test-id)
  (db:with-db
   dbstruct
   run-id
   #f
   (lambda (db)
     (db:first-result-default
      db
      "SELECT rundir FROM tests WHERE id=?;"
      #f ;; default result
      test-id))))

(define (db:get-test-times dbstruct run-name target)
  (let ((res `())
        (qry 	(conc "select testname, item_path, run_duration, "
		      (string-join (db:get-keys dbstruct) " || '/' || ")
		      " as target from tests inner join runs on tests.run_id = runs.id where runs.runname = ? and target = ?  ;")))
  (db:with-db 
    dbstruct
    #f ;; this is for the main runs db
    #f ;; does not modify db
    (lambda (db)
            (sqlite3:for-each-row
	(lambda (test-name item-path test-time target )
	  (set! res (cons (vector test-name item-path test-time) res)))
	db
        qry 
	run-name target)
       res))))

;;======================================================================
;; S T E P S
;;======================================================================

(define (db:teststep-set-status! dbstruct run-id test-id teststep-name state-in status-in comment logfile)
  (db:with-db
   dbstruct
   run-id
   #t
   (lambda (db)
     (sqlite3:execute 
      db
      "INSERT OR REPLACE into test_steps (test_id,stepname,state,status,event_time,comment,logfile) VALUES(?,?,?,?,?,?,?);"
      test-id teststep-name state-in status-in (current-seconds)
      (if comment comment "")
      (if logfile logfile "")))))



(define (db:delete-steps-for-test! dbstruct run-id test-id)
  ;; TODO: figure out why status is the key field rather than state (note:  CONSTRAINT test_steps_constraint UNIQUE (test_id,stepname,state) )
  (db:with-db
   dbstruct
   run-id
   #t
   (lambda (db)
     (sqlite3:execute 
      db
      "UPDATE test_steps set status='DELETED' where test_id=?" ;;  and run_id=? !! - run_id not in table (bummer) TODO: get run_id into schema for test_steps
      test-id))))


;; db-get-test-steps-for-run
(define (db:get-steps-for-test dbstruct run-id test-id)
  (db:with-db
   dbstruct
   run-id
   #f
   (lambda (db)
     (let* ((res '()))
       (sqlite3:for-each-row 
	(lambda (id test-id stepname state status event-time logfile comment)
	  (set! res (cons (vector id test-id stepname state status event-time (if (string? logfile) logfile "") comment) res)))
	db
	"SELECT id,test_id,stepname,state,status,event_time,logfile,comment FROM test_steps WHERE status != 'DELETED' AND test_id=? ORDER BY id ASC;" ;; event_time DESC,id ASC;
	test-id)
       (reverse res)))))

 (define (db:get-steps-info-by-id dbstruct  test-step-id)
   (db:with-db
    dbstruct
    #f 
    #f
    (lambda (db)
      (let* ((res (vector #f #f #f #f #f #f #f #f #f)))
        (sqlite3:for-each-row 
       (lambda (id test-id stepname state status event-time logfile comment last-update)
         (set! res (vector id test-id stepname state status event-time (if (string? logfile) logfile "") comment last-update)))
       db
       "SELECT id,test_id,stepname,state,status,event_time,logfile,comment,last_update FROM test_steps WHERE id=? ORDER BY id ASC;" ;; event_time DESC,id ASC;
       test-step-id)
        res))))

(define (db:get-steps-data dbstruct run-id test-id)
  (db:with-db
   dbstruct
   run-id
   #f
   (lambda (db)
     (let ((res '()))
       (sqlite3:for-each-row 
	(lambda (id test-id stepname state status event-time logfile)
	  (set! res (cons (vector id test-id stepname state status event-time (if (string? logfile) logfile "")) res)))
	db
	"SELECT id,test_id,stepname,state,status,event_time,logfile FROM test_steps WHERE status != 'DELETED' AND test_id=? ORDER BY id ASC;" ;; event_time DESC,id ASC;
	test-id)
       (reverse res)))))

;;======================================================================
;; T E S T  D A T A 
;;======================================================================

(define (db:get-data-info-by-id dbstruct  test-data-id)
  (let* ((stmt        "SELECT id,test_id, category, variable, value, expected, tol, units, comment, status, type, last_update FROM test_data WHERE id=? ORDER BY id ASC;")) ;; event_time DESC,id ASC;
    (db:with-db
     dbstruct
     #f 
     #f
     (lambda (db)
       (let* ((stmth (db:get-cache-stmth dbstruct db stmt))
	      (res   (sqlite3:fold-row
		      (lambda (res id test-id  category variable value expected tol units comment status type last-update)
			(vector id test-id  category variable value expected tol units comment status type last-update))
		      (vector #f #f #f #f #f #f #f #f #f #f #f #f)
		      stmth
		      test-data-id)))
        res)))))

;; WARNING: Do NOT call this for the parent test on an iterated test
;; Roll up test_data pass/fail results
;; look at the test_data status field, 
;;    if all are pass (any case) and the test status is PASS or NULL or '' then set test status to PASS.
;;    if one or more are fail (any case) then set test status to PASS, non "pass" or "fail" are ignored
(define (db:test-data-rollup dbstruct run-id test-id status)
  (let* ((fail-count 0)
	 (pass-count 0))
    (db:with-db
     dbstruct #f #f
     (lambda (db)
       (sqlite3:for-each-row
	(lambda (fcount pcount)
	  (set! fail-count fcount)
	  (set! pass-count pcount))
	db 
	"SELECT (SELECT count(id) FROM test_data WHERE test_id=? AND status like 'fail') AS fail_count,
             (SELECT count(id) FROM test_data WHERE test_id=? AND status like 'pass') AS pass_count;"
	test-id test-id)
       ;; Now rollup the counts to the central megatest.db
       (db:general-call dbstruct 'pass-fail-counts (list pass-count fail-count test-id))
       ;; if the test is not FAIL then set status based on the fail and pass counts.
       (db:general-call dbstruct 'test_data-pf-rollup (list test-id test-id test-id test-id))))))

;; each section is a rule except "final" which is the final result
;;
;; [rule-5]
;; operator in
;; section LogFileBody
;; desc Output voltage
;; status OK
;; expected 1.9
;; measured 1.8
;; type +/-
;; tolerance 0.1
;; pass 1
;; fail 0
;; 
;; [final]
;; exit-code 6
;; exit-status SKIP
;; message If flagged we are asking for this to exit with code 6
;;
;; recorded in steps table:
;;   category: stepname
;;   variable: rule-N
;;   value:    measured
;;   expected: expected
;;   tol:      tolerance
;;   units:    -
;;   comment:  desc or message
;;   status:   status
;;   type:     type
;; 
(define (db:logpro-dat->csv dat stepname)
  (let ((res '()))
    (for-each
     (lambda (entry-name)
       (if (equal? entry-name "final")
	   (set! res (append 
		      res
		      (list
		       (list stepname
			     entry-name
			     (configf:lookup dat entry-name "exit-code")    ;; 0 ;; Value
			     0                                              ;; 1 ;; Expected
			     0                                              ;; 2 ;; Tolerance
			     "n/a"					    ;; 3 ;; Units
			     (configf:lookup dat entry-name "message")      ;; 4 ;; Comment
			     (configf:lookup dat entry-name "exit-status")  ;; 5 ;; Status
			     "logpro"                                       ;; 6 ;; Type
			     ))))
	   (let* ((value     (or (configf:lookup dat entry-name "measured")  "n/a"))
		  (expected  (or (configf:lookup dat entry-name "expected")  0.0))
		  (tolerance (or (configf:lookup dat entry-name "tolerance") 0.0))
		  (comment   (or (configf:lookup dat entry-name "comment")
				 (configf:lookup dat entry-name "desc")      "n/a"))
		  (status    (or (configf:lookup dat entry-name "status")    "n/a"))
		  (type      (or (configf:lookup dat entry-name "expected")  "n/a")))
	     (set! res (append
			res  
			(list (list stepname
				    entry-name 
				    value        ;; 0
				    expected     ;; 1
				    tolerance    ;; 2
				    "n/a"        ;; 3 Units
				    comment      ;; 4
				    status       ;; 5
				    type         ;; 6
				    )))))))
     (hash-table-keys dat))
    res))

;; $MT_MEGATEST -load-test-data << EOF
;; foo,bar,   1.2,  1.9, >
;; foo,rab, 1.0e9, 10e9, 1e9
;; foo,bla,   1.2,  1.9, <
;; foo,bal,   1.2,  1.2, <   ,     ,Check for overload
;; foo,alb,   1.2,  1.2, <=  , Amps,This is the high power circuit test
;; foo,abl,   1.2,  1.3, 0.1
;; foo,bra,   1.2, pass, silly stuff
;; faz,bar,    10,  8mA,     ,     ,"this is a comment"
;; EOF

(define (db:csv->test-data dbstruct run-id test-id csvdata)
  (debug:print 4 *default-log-port* "test-id " test-id ", csvdata: " csvdata)
  (db:with-db
   dbstruct #f #f
   (lambda (db)
     (let* ((csvlist (csv->list (make-csv-reader
				 (open-input-string csvdata)
				 '((strip-leading-whitespace? #t)
				   (strip-trailing-whitespace? #t)))))) ;; (csv->list csvdata)))
       (for-each
	(lambda (csvrow)
	  (let* ((padded-row  (take (append csvrow (list #f #f #f #f #f #f #f #f #f)) 9))
		 (category    (list-ref padded-row 0))
		 (variable    (list-ref padded-row 1))
		 (value       (any->number-if-possible (list-ref padded-row 2)))
		 (expected    (any->number-if-possible (list-ref padded-row 3)))
		 (tol         (any->number-if-possible (list-ref padded-row 4))) ;; >, <, >=, <=, or a number
		 (units       (list-ref padded-row 5))
		 (comment     (list-ref padded-row 6))
		 (status      (let ((s (list-ref padded-row 7)))
				(if (and (string? s)(or (string-match (regexp "^\\s*$") s)
							(string-match (regexp "^n/a$") s)))
				    #f
				    s))) ;; if specified on the input then use, else calculate
		 (type        (list-ref padded-row 8)))
	    ;; look up expected,tol,units from previous best fit test if they are all either #f or ''
	    (debug:print 4 *default-log-port* "BEFORE: category: " category " variable: " variable " value: " value 
			 ", expected: " expected " tol: " tol " units: " units " status: " status " comment: " comment " type: " type)
	    
	    (if (and (or (not expected)(equal? expected ""))
		     (or (not tol)     (equal? expected ""))
		     (or (not units)   (equal? expected "")))
		(let-values (((new-expected new-tol new-units)(tdb:get-prev-tol-for-test #f test-id category variable)))
		  (set! expected new-expected)
		  (set! tol      new-tol)
		  (set! units    new-units)))
	    
	    (debug:print 4 *default-log-port* "AFTER:  category: " category " variable: " variable " value: " value 
			 ", expected: " expected " tol: " tol " units: " units " status: " status " comment: " comment)
	    ;; calculate status if NOT specified
	    (if (and (not status)(number? expected)(number? value)) ;; need expected and value to be numbers
		(if (number? tol) ;; if tol is a number then we do the standard comparison
		    (let* ((max-val (+ expected tol))
			   (min-val (- expected tol))
			   (result  (and (>=  value min-val)(<= value max-val))))
		      (debug:print 4 *default-log-port* "max-val: " max-val " min-val: " min-val " result: " result)
		      (set! status (if result "pass" "fail")))
		    (set! status ;; NB// need to assess each one (i.e. not return operator since need to act if not valid op.
		      (case (string->symbol tol) ;; tol should be >, <, >=, <=
			((>)  (if (>  value expected) "pass" "fail"))
			((<)  (if (<  value expected) "pass" "fail"))
			((>=) (if (>= value expected) "pass" "fail"))
			((<=) (if (<= value expected) "pass" "fail"))
			(else (conc "ERROR: bad tol comparator " tol))))))
	    (debug:print 4 *default-log-port* "AFTER2: category: " category " variable: " variable " value: " value 
			 ", expected: " expected " tol: " tol " units: " units " status: " status " comment: " comment)
	    ;; (db:delay-if-busy dbdat)
	    (sqlite3:execute db "INSERT OR REPLACE INTO test_data (test_id,category,variable,value,expected,tol,units,comment,status,type) VALUES (?,?,?,?,?,?,?,?,?,?);"
			     test-id category variable value expected tol units (if comment comment "") status type)))
	csvlist)))))

;; This routine moved from tdb.scm, tdb:read-test-data
;;
(define (db:read-test-data dbstruct run-id test-id categorypatt)
  (let* ((res '()))
    (db:with-db
     dbstruct #f #f
     (lambda (db)
       (sqlite3:for-each-row 
	(lambda (id test_id category variable value expected tol units comment status type)
	  (set! res (cons (vector id test_id category variable value expected tol units comment status type) res)))
	db
	"SELECT id,test_id,category,variable,value,expected,tol,units,comment,status,type FROM test_data WHERE test_id=? AND category LIKE ? ORDER BY category,variable;" test-id categorypatt)
       (reverse res)))))

;; This routine moved from tdb.scm, :read-test-data
;;
(define (db:read-test-data-varpatt dbstruct run-id test-id categorypatt varpatt)
  (let* ((res '()))
    (db:with-db
     dbstruct #f #f
     (lambda (db)
       (sqlite3:for-each-row 
	(lambda (id test_id category variable value expected tol units comment status type)
	  (set! res (cons (vector id test_id category variable value expected tol units comment status type) res)))
	db
	"SELECT id,test_id,category,variable,value,expected,tol,units,comment,status,type FROM test_data WHERE test_id=? AND category LIKE ? AND variable LIKE ? ORDER BY category,variable;" test-id categorypatt varpatt)
       (reverse res)))))


;;======================================================================
;; Misc. test related queries
;;======================================================================

(define (db:get-run-ids-matching-target dbstruct keynames target res runname testpatt statepatt statuspatt)
  (db:with-db
   dbstruct #f #f
   (lambda (db)
     (let* ((row-ids '())
	    (keystr (string-intersperse 
		     (map (lambda (key val)
			    (conc key " like '" val "'"))
			  keynames 
			  (string-split target "/"))
		     " AND "))
	    ;; (testqry (tests:match->sqlqry testpatt))
	    (runsqry (sqlite3:prepare db (conc "SELECT id FROM runs WHERE " keystr " AND runname LIKE '" runname "';"))))
       ;; (debug:print 8 *default-log-port* "db:test-get-paths-matching-keynames-target-new\n  runsqry=" runsqry "\n  tstsqry=" testqry)
       (sqlite3:for-each-row
	(lambda (rid)
	  (set! row-ids (cons rid row-ids)))
	runsqry)
       (sqlite3:finalize! runsqry)
       row-ids))))

;; finds latest matching all patts for given run-id
;;
(define (db:test-get-paths-matching-keynames-target-new dbstruct run-id keynames target res testpatt statepatt statuspatt runname)
  (let* ((testqry (tests:match->sqlqry testpatt))
	 (tstsqry (conc "SELECT rundir FROM tests WHERE run_id=? AND " testqry " AND state LIKE '" statepatt "' AND status LIKE '" statuspatt "' ORDER BY event_time ASC;")))
    (db:with-db
     dbstruct
     run-id
     #f
     (lambda (db)
       (sqlite3:for-each-row 
	(lambda (p)
	  (set! res (cons p res)))
	db
	tstsqry
	run-id)
       res))))

(define (db:test-toplevel-num-items dbstruct run-id testname)
  (db:with-db
   dbstruct
   run-id
   #f
   (lambda (db)
     (let ((res 0))
       (sqlite3:for-each-row
	(lambda (num-items)
	  (set! res num-items))
	db
	"SELECT count(id) FROM tests WHERE run_id=? AND testname=? AND item_path != '' AND state NOT IN ('DELETED');"
	run-id
	testname)
       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))))) ;; BB: serialize - this is what causes problems between different builds of megatest communicating.  serialize is sensitive to binary image of mtest.
      #t))
    ((zmq nmsg)(with-output-to-string (lambda ()(serialize obj))))
    (else obj))) ;; rpc

(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-error 0 *default-log-port* "reception failed. Received \"" msg "\" but cannot translate it.")
           (print-call-chain (current-error-port))
	   msg))) ;; crude reply for when things go awry
    ((zmq nmsg)(with-input-from-string msg (lambda ()(deserialize))))
    (else msg))) ;; rpc

;; ; This is to be the big daddy call NOPE: Replaced by db:set-state-status-and-roll-up-items
;; ;
;; define (db:test-set-state-status dbstruct run-id test-id state status msg)
;;  (let ((dbdat  (db:get-dbdat 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 'state-status-msg (list state status msg test-id))
;;    ;; 	(db:general-call dbdat 'state-status     (list state status test-id)))
;;    (db:set-state-status-and-roll-up-items dbstruct run-id test-id #f state status msg)
;;    ;; process the test_data table
;;    (if (and test-id state status (equal? status "AUTO")) 
;; 	(db:test-data-rollup dbstruct run-id test-id status))
;;    (mt:process-triggers dbstruct run-id test-id state status)))

;; state is the priority rollup of all states
;; status is the priority rollup of all completed statesfu
;;
;; if test-name is an integer work off that instead of test-name test-path
;;
(define (db:set-state-status-and-roll-up-items dbstruct run-id test-name item-path state status comment)
  ;; establish info on incoming test followed by info on top level test
  ;; BBnote - for mode itemwait, linkage between upstream test & matching item status is propagated to run queue in db:prereqs-not-met
  (let* ((testdat      (if (number? test-name)
			   (db:get-test-info-by-id dbstruct run-id test-name) ;; test-name is actually a test-id
			   (db:get-test-info       dbstruct run-id test-name item-path)))
	 (test-id      (db:test-get-id testdat))
	 (test-name    (if (number? test-name)
			   (db:test-get-testname testdat)
			   test-name))
	 (item-path    (db:test-get-item-path testdat))
         (tl-testdat   (db:get-test-info dbstruct run-id test-name ""))
         (tl-test-id   (if tl-testdat
			   (db:test-get-id tl-testdat)
			   #f)))
    (if (member state '("LAUNCHED" "REMOTEHOSTSTART")) 
	(db:general-call dbstruct 'set-test-start-time (list test-id)))
    (mutex-lock! *db-transaction-mutex*)
    (db:with-db
     dbstruct #f #f
     (lambda (db)
       (let ((tr-res
              (sqlite3:with-transaction
               db
               (lambda ()
                 ;; NB// Pass the db so it is part fo the transaction
                 (db:test-set-state-status db run-id test-id state status comment) ;; this call sets the item state/status
                 (if (not (equal? item-path "")) ;; only roll up IF incoming test is an item
                     (let* ((state-status-counts  (db:get-all-state-status-counts-for-test dbstruct run-id test-name item-path state status)) ;; item-path is used to exclude current state/status of THIS test
			      						  (state-stauses (db:roll-up-rules state-status-counts state status))
                          (newstate (car state-stauses))
                          (newstatus (cadr state-stauses)))
                       (debug:print 4 *default-log-port* "BB> tl-test-id="tl-test-id" ; "test-name":"item-path" newstate="newstate" newstatus="newstatus" len(sscs)="(length state-status-counts)  " state-status-counts: "
							(apply conc
                  (map (lambda (x)
                     (conc
                     		(with-output-to-string (lambda () (pp (dbr:counts->alist x)))) " | "))
                              state-status-counts))); end debug:print
   
                       (if tl-test-id
			   (db:test-set-state-status db run-id tl-test-id newstate newstatus #f)) ;; we are still in the transaction - must access the db and not the dbstruct
		       ))))))
         (mutex-unlock! *db-transaction-mutex*)
         (if (and test-id state status (equal? status "AUTO")) 
             (db:test-data-rollup dbstruct run-id test-id status))
         tr-res)))))

(define (db:roll-up-rules state-status-counts state status)
		(let* ((running     (length (filter (lambda (x)
                          (member (dbr:counts-state x) *common:running-states*))
                                 state-status-counts)))
           (bad-not-started      (length (filter (lambda (x)
                                      (and (equal? (dbr:counts-state x) "NOT_STARTED") 
                                        (not (member (dbr:counts-status x)  *common:not-started-ok-statuses*))))
																	state-status-counts)))
           (all-curr-states      (common:special-sort  ;; worst -> best (sort of)
                                    (delete-duplicates
                                      (if (and state (not (member state *common:dont-roll-up-states*)))
                                          (cons state (map dbr:counts-state state-status-counts))
                                          (map dbr:counts-state state-status-counts)))
                                                  *common:std-states* >))
           (all-curr-statuses    (common:special-sort  ;; worst -> best
                                    (delete-duplicates
                                      (if (and state status (not (member state *common:dont-roll-up-states*)))
                                          (cons status (map dbr:counts-status state-status-counts))
                                          (map dbr:counts-status state-status-counts)))
                                                   *common:std-statuses* >))
           (non-completes        (filter (lambda (x)
							 										 (not (member x (cons "COMPLETED" *common:dont-roll-up-states*))))
						       									all-curr-states))
			     (preq-fails        (filter (lambda (x)
							 								(equal? x "PREQ_FAIL"))
						       							all-curr-statuses))
           (num-non-completes (length non-completes))
 					 (newstate          (cond
															((> running 0)           "RUNNING")            ;; anything running, call the situation running
                              ((> (length preq-fails) 0) "NOT_STARTED")
															((> bad-not-started 0)   "COMPLETED")          ;; we have an ugly situation, it is completed in the sense we cannot do more.
															((> num-non-completes 0) (car non-completes))  ;;  (remove (lambda (x)(equal? "COMPLETED" x)) all-curr-states))) ;; only rollup DELETED if all DELETED
															(else                    (car all-curr-states))))
           (newstatus         (cond
                              ((> (length preq-fails) 0)  "PREQ_FAIL")
                              ((or (> bad-not-started 0)
                                   (and (equal? newstate "NOT_STARTED")
                                      (> num-non-completes 0)))
                                            "STARTED")
                              (else (car all-curr-statuses)))))
 					(debug:print-info 2 *default-log-port*
                                         "\n--> probe db:set-state-status-and-roll-up-items: "
                                         "\n--> state-status-counts: "(map dbr:counts->alist state-status-counts)
                                         "\n--> running:             "running
                                         "\n--> bad-not-started:     "bad-not-started
                                         "\n--> non-non-completes:   "num-non-completes
                                         "\n--> non-completes:       "non-completes
                                         "\n--> all-curr-states:     "all-curr-states
                                         "\n--> all-curr-statuses:     "all-curr-statuses
                                         "\n--> newstate              "newstate
                                         "\n--> newstatus            "newstatus
                                         "\n\n")

                        ;; NB// Pass the db so it is part of the transaction
         (list newstate newstatus)))

(define (db:set-state-status-and-roll-up-run dbstruct run-id curr-state curr-status)
    (mutex-lock! *db-transaction-mutex*)
    (db:with-db
     dbstruct #f #f
     (lambda (db)
       (let ((tr-res
              (sqlite3:with-transaction
               db
               (lambda ()
                   (let* ((state-status-counts  (db:get-all-state-status-counts-for-run dbstruct run-id))
													(state-stauses (db:roll-up-rules state-status-counts #f #f ))
                          (newstate (car state-stauses))
                          (newstatus (cadr state-stauses))) 
                    (if (or (not (eq? newstate curr-state)) (not (eq?  newstatus curr-status)))
                   (db:set-run-state-status dbstruct run-id newstate newstatus )))))))
         (mutex-unlock! *db-transaction-mutex*)
         tr-res))))


(define (db:get-all-state-status-counts-for-run dbstruct run-id)
 (let* ((test-count-recs (db:with-db
                                  dbstruct #f #f
                                  (lambda (db)
                                    (sqlite3:map-row
                                     (lambda (state status count)
                                        (make-dbr:counts state: state status: status count: count))
                                     db
                                     "SELECT state,status,count(id) FROM tests WHERE run_id=?  GROUP BY state,status;"
                                     run-id )))))
   test-count-recs))


;; BBnote: db:get-all-state-status-counts-for-test returns dbr:counts object aggregating state and status of items of a given test, *not including rollup state/status*
;;
;; NOTE: This is called within a transaction
;;
(define (db:get-all-state-status-counts-for-test dbstruct run-id test-name item-path item-state-in item-status-in)
  (let* ((test-info   (db:get-test-info dbstruct run-id test-name item-path))
         (item-state  (or item-state-in (db:test-get-state test-info))) 
         (item-status (or item-status-in (db:test-get-status test-info)))
         (other-items-count-recs (db:with-db
                                  dbstruct #f #f
                                  (lambda (db)
                                    (sqlite3:map-row
                                     (lambda (state status count)
                                       (make-dbr:counts state: state status: status count: count))
                                     db
                                     ;; ignore current item because we have changed its value in the current transation so this select will see the old value.
                                     "SELECT state,status,count(id) FROM tests WHERE run_id=? AND testname=? AND item_path != '' AND item_path !=? GROUP BY state,status;"
                                     run-id test-name item-path))))

         ;; add current item to tally outside of sql query
         (match-countrec-lambda (lambda (countrec) 
                                  (and (equal? (dbr:counts-state  countrec) item-state)
                                       (equal? (dbr:counts-status countrec) item-status))))

         (already-have-count-rec-list
          (filter match-countrec-lambda other-items-count-recs)) ;; will have either 0 or 1 count recs depending if another item shares this item's state/status
         
         (updated-count-rec    (if (null? already-have-count-rec-list)
                                   (make-dbr:counts state: item-state status: item-status count: 1)
                                   (let* ((our-count-rec (car already-have-count-rec-list))
                                          (new-count (add1 (dbr:counts-count our-count-rec))))
                                     (make-dbr:counts state: item-state status: item-status count: new-count))))

         (nonmatch-countrec-lambda (lambda (countrec) (not (match-countrec-lambda countrec))))
         
         (unrelated-rec-list   
          (filter nonmatch-countrec-lambda other-items-count-recs)))
    
    (cons updated-count-rec unrelated-rec-list)))

;; (define (db:get-all-item-states db run-id test-name)
;;   (sqlite3:map-row 
;;    (lambda (a) a)
;;    db
;;    "SELECT DISTINCT state FROM tests WHERE item_path != '' AND state != 'DELETED' AND run_id=? AND testname=?"
;;    run-id test-name))
;; 
;; (define (db:get-all-item-statuses db run-id test-name)
;;   (sqlite3:map-row 
;;    (lambda (a) a)
;;    db
;;    "SELECT DISTINCT status FROM tests WHERE item_path != '' AND state != 'DELETED' AND state='COMPLETED' AND run_id=? AND testname=?"
;;    run-id test-name))

(define (db:test-get-logfile-info dbstruct run-id test-name)
  (db:with-db
   dbstruct
   run-id
   #f
   (lambda (db)
     (let ((res #f))
       (sqlite3:for-each-row 
	(lambda (path final_logf)
	  ;; (let ((path       (sdb:qry 'getstr path-id))
	  ;;       (final_logf (sdb:qry 'getstr final_logf-id)))
	  (set! logf final_logf)
	  (set! res (list path final_logf))
	  (if (directory? path)
	      (debug:print 2 *default-log-port* "Found path: " path)
	      (debug:print 2 *default-log-port* "No such path: " path))) ;; )
	db
	"SELECT rundir,final_logf FROM tests WHERE testname=? AND item_path='' AND run_id=?;"
	test-name run-id)
       res))))

;;======================================================================
;; A G R E G A T E D   T R A N S A C T I O N   D B   W R I T E S 
;;======================================================================

(define db:queries 
  (list '(update-run-duration     "UPDATE tests SET run_duration=? WHERE id=?;")

	;; TESTS
	'(register-test          "INSERT OR IGNORE INTO tests (run_id,testname,event_time,item_path,state,status) VALUES (?,?,strftime('%s','now'),?,'NOT_STARTED','n/a');")
	;; Test state and status
	'(set-test-state         "UPDATE tests SET state=?   WHERE id=?;")
	'(set-test-status        "UPDATE tests SET state=?   WHERE id=?;")
	'(state-status           "UPDATE tests SET state=?,status=? WHERE id=?;") ;; D/ONE
	'(state-status-msg       "UPDATE tests SET state=?,status=?,comment=? WHERE id=?;") ;; DONE
	;; Test comment
	'(set-test-comment       "UPDATE tests SET comment=? WHERE id=?;")
	'(set-test-start-time    "UPDATE tests SET event_time=strftime('%s','now') WHERE id=?;") ;; DONE
	'(pass-fail-counts       "UPDATE tests SET pass_count=?,fail_count=? WHERE id=?;")
	;; test_data-pf-rollup is used to set a tests PASS/FAIL based on the pass/fail info from the steps
	'(test_data-pf-rollup    "UPDATE tests
                                    SET status=CASE WHEN (SELECT fail_count FROM tests WHERE id=?) > 0 
                                      THEN 'FAIL'
                                    WHEN (SELECT pass_count FROM tests WHERE id=?) > 0 AND 
                                      (SELECT status FROM tests WHERE id=?) NOT IN ('WARN','FAIL')
                                    THEN 'PASS'
                                    ELSE status
                                    END WHERE id=?;") ;; DONE
	'(test-set-log            "UPDATE tests SET final_logf=? WHERE id=?;")      ;; DONE
	;; '(test-set-rundir-by-test-id "UPDATE tests SET rundir=? WHERE id=?")        ;; DONE
	;; '(test-set-rundir         "UPDATE tests SET rundir=? AND testname=? AND item_path=?;") ;; DONE
	'(test-set-rundir-shortdir "UPDATE tests SET rundir=?,shortdir=? WHERE testname=? AND item_path=? AND run_id=?;")    ;; BROKEN!!! NEEDS run-id
	'(delete-tests-in-state   ;; "DELETE FROM tests WHERE state=?;")                  ;; DONE
	  "UPDATE tests SET state='DELETED' WHERE state=?")
	'(tests:test-set-toplog   "UPDATE tests SET final_logf=? WHERE run_id=? AND testname=? AND item_path='';")
	'(update-cpuload-diskfree "UPDATE tests SET cpuload=?,diskfree=? WHERE id=?;") ;; DONE
	'(update-uname-host       "UPDATE tests SET uname=?,host=? WHERE id=?;")       ;; DONE
        '(update-test-rundat      "INSERT INTO test_rundat (test_id,update_time,cpuload,diskfree,diskusage,run_duration) VALUES (?,?,?,?,?,?);")
	'(update-test-state       "UPDATE tests SET state=? WHERE state=? AND run_id=? AND testname=? AND NOT (item_path='' AND testname IN (SELECT DISTINCT testname FROM tests WHERE testname=? AND item_path != ''));")
	'(update-test-status      "UPDATE tests SET status=? WHERE status like ? AND run_id=? AND testname=? AND NOT (item_path='' AND testname IN (SELECT DISTINCT testname FROM tests WHERE testname=? AND item_path != ''));")
	;; stuff for set-state-status-and-roll-up-items
	'(update-pass-fail-counts "UPDATE tests 
             SET fail_count=(SELECT count(id) FROM tests WHERE testname=? AND item_path != '' AND status IN ('FAIL','CHECK','INCOMPLETE','ABORT')),
                 pass_count=(SELECT count(id) FROM tests WHERE testname=? AND item_path != '' AND status IN ('PASS','WARN','WAIVED'))
             WHERE testname=? AND item_path='' AND run_id=?;") ;; DONE  ;; BROKEN!!! NEEDS run-id
	'(top-test-set-running  "UPDATE tests SET state='RUNNING' WHERE testname=? AND item_path='' AND run_id=?;") ;; DONE   ;; BROKEN!!! NEEDS run-id

	;; NOT USED
	;;
	;; Might be the following top-test-set-per-pf-counts query could be better based off of something like this:
	;;
	;; select state,status,count(state) from tests where run_id=59 AND testname='runfirst' group by state,status;
	;;
	'(top-test-set-per-pf-counts "UPDATE tests
                       SET state=CASE 
                                   WHEN (SELECT count(id) FROM tests 
                                                WHERE testname=?
                                                     AND item_path != '' 
                                                     AND status NOT IN ('n/a')
                                                     AND state in ('NOT_STARTED')) > 0 THEN 'UNKNOWN'
                                   WHEN (SELECT count(id) FROM tests 
                                                WHERE testname=?
                                                     AND item_path != '' 
                                                     AND (status NOT IN ('TEN_STRIKES','BLOCKED') OR status IN ('INCOMPLETE'))
                                                     AND state in ('RUNNING','NOT_STARTED','LAUNCHED','REMOTEHOSTSTART')) > 0 THEN 'RUNNING'
                                   WHEN (SELECT count(id) FROM tests 
                                                WHERE testname=?
                                                     AND item_path != '' 
                                                     AND state NOT IN ('COMPLETED','DELETED')) = 0 THEN 'COMPLETED'
                                   WHEN (SELECT count(id) FROM tests 
                                                WHERE testname=?
                                                     AND item_path != '' 
                                                     AND state = 'NOT_STARTED') > 0 THEN 'NOT_STARTED'
                                   ELSE 'UNKNOWN' END,
                            status=CASE 
                                  WHEN fail_count > 0 THEN 'FAIL' 
                                  WHEN (SELECT count(id) FROM tests
                                         WHERE testname=?
                                              AND item_path != ''
                                              AND state IN ('BLOCKED','INCOMPLETE')) > 0 THEN 'FAIL'
                                  WHEN (SELECT count(id) FROM tests
                                         WHERE testname=?
                                              AND item_path != ''
                                              AND state NOT IN ('DELETED')
                                              AND status IN ('INCOMPLETE','ABORT')) > 0 THEN 'ABORT'
                                  WHEN (SELECT count(id) FROM tests
                                         WHERE testname=?
                                              AND item_path != ''
                                              AND state NOT IN ('DELETED')
                                              AND status = 'AUTO') > 0 THEN 'AUTO'
                                  WHEN (SELECT count(id) FROM tests
                                         WHERE testname=?
                                              AND item_path != ''
                                              AND state NOT IN ('DELETED')
                                              AND status IN ('STUCK/INCOMPLETE', 'INCOMPLETE')) > 0 THEN 'INCOMPLETE'
                                  WHEN (SELECT count(id) FROM tests
                                         WHERE testname=?
                                              AND item_path != ''
                                              AND state IN ('COMPLETED','STUCK/INCOMPLETE','INCOMPLETE')
                                              AND status = 'FAIL') > 0 THEN 'FAIL'
                                  WHEN (SELECT count(id) FROM tests
                                         WHERE testname=?
                                              AND item_path != ''
                                              AND state NOT IN ('DELETED')
                                              AND status = 'CHECK') > 0 THEN 'CHECK'
                                  WHEN (SELECT count(id) FROM tests
                                         WHERE testname=?
                                              AND item_path != ''
                                              AND state NOT IN ('DELETED')
                                              AND status = 'SKIP') > 0 THEN 'SKIP'
                                  WHEN (SELECT count(id) FROM tests
                                         WHERE testname=?
                                              AND item_path != ''
                                              AND state NOT IN ('DELETED')
                                              AND status = 'WARN') > 0 THEN 'WARN'
                                  WHEN (SELECT count(id) FROM tests
                                         WHERE testname=?
                                              AND item_path != ''
                                              AND state NOT IN ('DELETED')
                                              AND status = 'WAIVED') > 0 THEN 'WAIVED'
                                  WHEN (SELECT count(id) FROM tests
                                         WHERE testname=? 
                                              AND item_path != ''
                                              AND state NOT IN ('DELETED')
                                              AND status NOT IN ('PASS','FAIL','WARN','WAIVED')) > 0 THEN 'ABORT'
                                  WHEN (SELECT count(id) FROM tests
                                         WHERE testname=?
                                              AND item_path != ''
                                              AND state='NOT_STARTED') > 0 THEN 'n/a'
                                  WHEN (SELECT count(id) FROM tests
                                         WHERE testname=?
                                              AND item_path != ''
                                              AND state = 'COMPLETED'
                                              AND status = 'PASS') > 0 THEN 'PASS'
                                  WHEN pass_count > 0 AND fail_count=0 THEN 'PASS' 
                                  ELSE 'UNKNOWN' END
                       WHERE testname=? AND item_path='';") ;; DONE  ;; BROKEN!!! NEEDS run-id

	;; STEPS
	'(delete-test-step-records "UPDATE test_steps SET status='DELETED' WHERE test_id=?;")
	'(delete-test-data-records "UPDATE test_data  SET status='DELETED' WHERE test_id=?;") ;; using status since no state field
	))

(define (db:lookup-query qry-name)
  (let ((q (alist-ref qry-name db:queries)))
    (if q (car q) #f)))

;; do not run these as part of the transaction
(define db:special-queries   '(rollup-tests-pass-fail
			       ;; db:set-state-status-and-roll-up-items  ;; WHY NOT!?
			       login
			       immediate
			       flush
			       sync
			       set-verbosity
			       killserver
			       ))

(define (db:login dbstruct calling-path calling-version client-signature)
   (cond 
   ((not (equal? calling-path *toppath*))
    (list #f "Login failed due to mismatch paths: " calling-path ", " *toppath*))
   ;; ((not (equal? *run-id* run-id))
   ;;  (list #f "Login failed due to mismatch run-id: " run-id ", " *run-id*))
   ((not (equal? megatest-version calling-version))
    (list #t (conc "Login warning due to mismatch megatest version: " calling-version ", " megatest-version)))
   
    (else
    (hash-table-set! *logged-in-clients* client-signature (current-seconds))
    '(#t "successful login"))))

(define (db:general-call dbstruct stmtname params)
  (let ((query (let ((q (alist-ref (if (string? stmtname)
				       (string->symbol stmtname)
				       stmtname)
				   db:queries)))
 		 (if q (car q) #f))))
    (db:with-db
     dbstruct #f #f
     (lambda (db)
       (apply sqlite3:execute db query params)
       #t))))

;; get a summary of state and status counts to calculate a rollup
;;
(define (db:get-state-status-summary dbstruct run-id testname)
  (let ((res   '()))
    (db:with-db
     dbstruct #f #f
     (lambda (db)
       (sqlite3:for-each-row
	(lambda (state status count)
	  (set! res (cons (vector state status count) res)))
	db
	"SELECT state,status,count(state) FROM tests WHERE run_id=? AND testname=? AND item_path='' GROUP BY state,status;"
	run-id testname)
       res))))

(define (db:get-latest-host-load dbstruct raw-hostname)
  (let* ((hostname (string-substitute "\\..*$" "" raw-hostname))
         (res  (cons -1 0)))
    (db:with-db
     dbstruct #f #f
     (lambda (db)
       (sqlite3:for-each-row
        (lambda (cpuload update-time)  (set! res (cons cpuload update-time)))
        db
        "SELECT tr.cpuload, tr.update_time FROM test_rundat tr, tests t WHERE t.host=? AND tr.cpuload != -1  AND tr.test_id=t.id ORDER BY tr.update_time DESC LIMIT 1;"
        hostname))) res ))

(define (db:set-top-level-from-items dbstruct run-id testname)
  (let* ((summ  (db:get-state-status-summary dbstruct run-id testname))
	 (find  (lambda (state status)
		  (if (null? summ) 
		      #f
		      (let loop ((hed (car summ))
				 (tal (cdr summ)))
			(if (and (string-match state  (vector-ref hed 0))
				 (string-match status (vector-ref hed 1)))
			    hed
			    (if (null? tal)
				#f
				(loop (car tal)(cdr tal)))))))))


      ;;;     E D I T M E ! !


    (cond
     ((> (find "COMPLETED" ".*") 0) #f))))
		   
    

;; get the previous records for when these tests were run where all keys match but runname
;; NB// Merge this with test:get-previous-test-run-records? This one looks for all matching tests
;; can use wildcards. Also can likely be factored in with get test paths?
;;
;; Run this remotely!!
;;
(define (db:get-matching-previous-test-run-records dbstruct run-id test-name item-path)
  (let* ((keys    (db:get-keys dbstruct))
	 (selstr  (string-intersperse keys ","))
	 (qrystr  (string-intersperse (map (lambda (x)(conc x "=?")) keys) " AND "))
	 (keyvals #f)
	 (tests-hash (make-hash-table)))
    ;; first look up the key values from the run selected by run-id
    (db:with-db
     dbstruct #f #f
     (lambda (db)
       (sqlite3:for-each-row 
	(lambda (a . b)
	  (set! keyvals (cons a b)))
	db
	(conc "SELECT " selstr " FROM runs WHERE id=? ORDER BY event_time DESC;") run-id)))
    (if (not keyvals)
	'()
	(let ((prev-run-ids '()))
	  (db:with-db
	   dbstruct #f #f
	   (lambda (db)
	     (apply sqlite3:for-each-row
		    (lambda (id)
		      (set! prev-run-ids (cons id prev-run-ids)))
		    db
		    (conc "SELECT id FROM runs WHERE " qrystr " AND id != ?;") (append keyvals (list run-id)))))
	  ;; collect all matching tests for the runs then
	  ;; extract the most recent test and return that.
	  (debug:print 4 *default-log-port* "selstr: " selstr ", qrystr: " qrystr ", keyvals: " keyvals 
		       ", previous run ids found: " prev-run-ids)
	  (if (null? prev-run-ids) '()  ;; no previous runs? return null
	      (let loop ((hed (car prev-run-ids))
			 (tal (cdr prev-run-ids)))
		(let ((results (db:get-tests-for-run dbstruct hed (conc test-name "/" item-path) '() '() #f #f #f #f #f #f #f 'normal)))
		  (debug:print 4 *default-log-port* "Got tests for run-id " run-id ", test-name " test-name 
			       ", item-path " item-path " results: " (intersperse results "\n"))
		  ;; Keep only the youngest of any test/item combination
		  (for-each 
		   (lambda (testdat)
		     (let* ((full-testname (conc (db:test-get-testname testdat) "/" (db:test-get-item-path testdat)))
			    (stored-test   (hash-table-ref/default tests-hash full-testname #f)))
		       (if (or (not stored-test)
			       (and stored-test
				    (> (db:test-get-event_time testdat)(db:test-get-event_time stored-test))))
			   ;; this test is younger, store it in the hash
			   (hash-table-set! tests-hash full-testname testdat))))
		   results)
		  (if (null? tal)
		      (map cdr (hash-table->alist tests-hash)) ;; return a list of the most recent tests
		      (loop (car tal)(cdr tal))))))))))

;; Function recursively checks if <db>.journal exists; if yes means db busy; call itself after delayed interval
;; return the sqlite3 db handle if possible
;; 
;; ;; (define (db:delay-if-busy dbdat #!key (count 6))
;; ;;   (if (not (configf:lookup *configdat* "server" "delay-on-busy")) 
;; ;;       (and dbdat (db:dbdat-get-db dbdat))
;; ;;       (if dbdat
;; ;; 	  (let* ((dbpath (db:dbdat-get-path dbdat))
;; ;; 		 (db     (db:dbdat-get-db   dbdat)) ;; we'll return this so (db:delay--if-busy can be called inline
;; ;; 		 (dbfj   (conc dbpath "-journal")))
;; ;; 	    (if (handle-exceptions
;; ;; 		 exn
;; ;; 		 (begin
;; ;; 		   (debug:print-info 0 *default-log-port* "WARNING: failed to test for existance of " dbfj ", exn=" exn)
;; ;; 		   (thread-sleep! 1)
;; ;; 		   (db:delay-if-busy count (- count 1))) 
;; ;; 		 (common:file-exists? dbfj))
;; ;; 		(case count
;; ;; 		  ((6)
;; ;; 		   (thread-sleep! 0.2)
;; ;; 		   (db:delay-if-busy count: 5))
;; ;; 		  ((5)
;; ;; 		   (thread-sleep! 0.4)
;; ;; 		   (db:delay-if-busy count: 4))
;; ;; 		  ((4)
;; ;; 		   (thread-sleep! 0.8)
;; ;; 		   (db:delay-if-busy count: 3))
;; ;; 		  ((3)
;; ;; 		   (thread-sleep! 1.6)
;; ;; 		   (db:delay-if-busy count: 2))
;; ;; 		  ((2)
;; ;; 		   (thread-sleep! 3.2)
;; ;; 		   (db:delay-if-busy count: 1))
;; ;; 		  ((1)
;; ;; 		   (thread-sleep! 6.4)
;; ;; 		   (db:delay-if-busy count: 0))
;; ;; 		  (else
;; ;; 		   (debug:print-info 0 *default-log-port* "delaying db access due to high database load.")
;; ;; 		   (thread-sleep! 12.8))))
;; ;; 	    db) 
;; ;; 	  "bogus result from db:delay-if-busy")))

(define (db:test-get-records-for-index-file dbstruct run-id test-name)
  (let ((res '()))
    (db:with-db
     dbstruct
     run-id
     #f
     (lambda (db)
       (sqlite3:for-each-row 
	(lambda (id itempath state status run_duration logf comment)
	  (set! res (cons (vector id itempath state status run_duration logf comment) res)))
	db
	"SELECT id,item_path,state,status,run_duration,final_logf,comment FROM tests WHERE testname=? AND item_path != '' AND run_id=?;" ;; BUG! WHY NO run_id?
	test-name
	run-id)
       res))))

;;======================================================================
;; Tests meta data
;;======================================================================

;; returns a hash table of tags to tests
;;
(define (db:get-tests-tags dbstruct)
  (db:with-db
   dbstruct #f #f
   (lambda (db)
     (let* ((res     (make-hash-table)))
       (sqlite3:for-each-row
	(lambda (testname tags-in)
	  (let ((tags (string-split tags-in ",")))
	    (for-each
	     (lambda (tag)
	       (hash-table-set! res tag
				(delete-duplicates
				 (cons testname (hash-table-ref/default res tag '())))))
	     tags)))
	db
	"SELECT testname,tags FROM test_meta")
       (hash-table->alist res)))))

;; read the record given a testname
(define (db:testmeta-get-record dbstruct testname)
  (let ((res   #f))
    (db:with-db
     dbstruct
     #f
     #f
     (lambda (db)
       (sqlite3:for-each-row
	(lambda (id testname author owner description reviewed iterated avg_runtime avg_disk tags jobgroup)
	  (set! res (vector id testname author owner description reviewed iterated avg_runtime avg_disk tags jobgroup)))
	db
	"SELECT id,testname,author,owner,description,reviewed,iterated,avg_runtime,avg_disk,tags,jobgroup FROM test_meta WHERE testname=?;"
	testname)
       res))))

;; create a new record for a given testname
(define (db:testmeta-add-record dbstruct testname)
  (db:with-db dbstruct #f #f 
	      (lambda (db)
		(sqlite3:execute 
		 db
		 "INSERT OR IGNORE INTO test_meta (testname,author,owner,description,reviewed,iterated,avg_runtime,avg_disk,tags) VALUES (?,'','','','','','','','');" testname))))

;; update one of the testmeta fields
(define (db:testmeta-update-field dbstruct testname field value)
  (db:with-db dbstruct #f #f 
	      (lambda (db)
		(sqlite3:execute 
		 db
		 (conc "UPDATE test_meta SET " field "=? WHERE testname=?;") value testname))))

(define (db:testmeta-get-all dbstruct)
  (db:with-db dbstruct #f #f 
	      (lambda (db)
		(let ((res '()))
		  (sqlite3:for-each-row
		   (lambda (a . b)
		     (set! res (cons (apply vector a b) res)))
		   db
		   "SELECT id,testname,author,owner,description,reviewed,iterated,avg_runtime,avg_disk,tags,jobgroup FROM test_meta;")
		  res))))

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

;; A routine to map itempaths using a itemmap
;; patha and pathb must be strings or this will fail
;;
;; path-b is waiting on path-a
;;
(define (db:compare-itempaths test-b-name path-a path-b itemmaps )
  (debug:print-info 6 *default-log-port* "ITEMMAPS: " itemmaps)
  (let* ((itemmap    (tests:lookup-itemmap itemmaps test-b-name)))
    (if itemmap
	(let ((path-b-mapped (db:multi-pattern-apply path-b itemmap)))
	  (debug:print-info 6 *default-log-port* "ITEMMAP is " itemmap ", path: " path-b ", mapped path: " path-b-mapped)
	  (equal? path-a path-b-mapped))
	(equal? path-b path-a))))

;; A routine to convert test/itempath using a itemmap
;; NOTE: to process only an itempath (i.e. no prepended testname)
;;       just call db:multi-pattern-apply
;;
(define (db:convert-test-itempath path-in itemmap)
  (debug:print-info 6 *default-log-port* "ITEMMAP is " itemmap)
  (let* ((path-parts  (string-split path-in "/"))
	 (test-name   (if (null? path-parts) "" (car path-parts)))
	 (item-path   (string-intersperse (if (null? path-parts) '() (cdr path-parts)) "/")))
    (conc test-name "/" 
	  (db:multi-pattern-apply item-path itemmap))))

;; patterns are:
;;    "rx1"  "replacement1"\n
;;    "rx2"  "replacement2"
;; etc.
;;
(define (db:multi-pattern-apply item-path itemmap)
  (let ((all-patts (string-split itemmap "\n")))
    (if (null? all-patts)
	item-path
	(let loop ((hed (car all-patts))
		   (tal (cdr all-patts))
		   (res item-path))
	  (let* ((parts (string-split hed))
		 (patt  (car parts))

		 (repl  (if (> (length parts) 1)(cadr parts) ""))

		 (newr  (if (and patt repl)
			    (begin
                              (handle-exceptions
                               exn
                               (begin
                                  (debug:print 0 *default-log-port*
                                  "WARNING: itemmap has problem \"" itemmap "\", patt: " patt ", repl: " repl ", exn=" exn)
                                 res)
                              (string-substitute patt repl res))


                              )
			    (begin
                              (debug:print 0 *default-log-port*
                               "WARNING: itemmap has problem \"" itemmap "\", patt: " patt ", repl: " repl)
			      res))))
	    (if (null? tal)
		newr
		(loop (car tal)(cdr tal) newr)))))))




;; the new prereqs calculation, looks also at itempath if specified
;; all prereqs must be met
;;    if prereq test with itempath='' is COMPLETED and PASS, WARN, CHECK, or WAIVED then prereq is met
;;    if prereq test with itempath=ref-item-path and COMPLETED with PASS, WARN, CHECK, or WAIVED then prereq is met
;;
;; Note: mode 'normal means that tests must be COMPLETED and ok (i.e. PASS, WARN, CHECK, SKIP or WAIVED)
;;       mode 'toplevel means that tests must be COMPLETED only
;;       mode 'itemmatch or 'itemwait means that tests items must be COMPLETED and (PASS|WARN|WAIVED|CHECK) [[ NB// NOT IMPLEMENTED YET ]]
;;       mode 'exclusive means this test/item cannot run if the same test/item is LAUNCHED,REMOTEHOSTSTART or RUNNING
;;
;; IDEA for consideration:
;;    1. collect all tests "upstream"
;;    2. any NOT completed and good? if yes => return those as prereqs not met, if no => return null list
;; 
;; (define (db:get-prereqs-not-met dbstruct run-id waitons ref-item-path mode)
(define (db:get-prereqs-not-met dbstruct run-id waitons ref-test-name ref-item-path mode itemmaps) ;; #!key (mode '(normal))(itemmap #f))
  ;; BBnote - rollup of an itemized test's overall state/status done in db:set-state-status-and-roll-up-items
  (append
   (if (member 'exclusive mode)
       (let ((running-tests (db:get-tests-for-run dbstruct
						  #f  ;; run-id of #f means for all runs. 
						  (if (string=? ref-item-path "")   ;; testpatt
						      ref-test-name
						      (conc ref-test-name "/" ref-item-path))
						  '("LAUNCHED" "REMOTEHOSTSTART" "RUNNING") ;; states
						  '()          ;; statuses
						  #f           ;; offset
						  #f           ;; limit
						  #f           ;; not-in
						  #f           ;; sort by
						  #f           ;; sort order
						  'shortlist   ;; query type
						  0            ;; last update, beginning of time ....
						  #f           ;; mode
						  )))
	;;(map (lambda (testdat)
	;;	(if (equal? (db:test-get-item-path testdat) "")
	;;	    (db:test-get-testname testdat)
	;;	    (conc (db:test-get-testname testdat)
	;;		  "/"
	;;		  (db:test-get-item-path testdat))))
	 running-tests) ;; calling functions want the entire data
       '())

   ;; collection of: for each waiton -
   ;;   if this ref-test-name is an item in an itemized test and mode is itemwait/itemmatch:
   ;;     if waiton is not itemized - if waiton is not both completed and in ok status, add as unmet prerequisite
   ;;     if waiton is itemized:
   ;;           and waiton's items are not expanded, add as unmet prerequisite
   ;;           else if matching waiton item is not both completed and in an ok status, add as unmet prerequisite
   ;;   else
   ;;    if waiton toplevel is not in both completed and ok status, add as unmet prerequisite

   (if (or (not waitons)
	   (null? waitons))
       '()
       (let* ((ref-test-itemized-mode (not (null? (lset-intersection eq? mode '(itemmatch itemwait))))) ;; how is this different from using member?
              (ref-test-toplevel-mode (not (null? (lset-intersection eq? mode '(toplevel)))))
              (ref-test-is-toplevel   (equal? ref-item-path ""))
              (ref-test-is-item       (not ref-test-is-toplevel))
              (unmet-pre-reqs '())
	      (result         '())
              (unmet-prereq-items '())
              )
	 (for-each  ; waitons
	  (lambda (waitontest-name)
	    ;; by getting the tests with matching name we are looking only at the matching test 
	    ;; and related sub items
	    ;; next should be using mt:get-tests-for-run?

            (let (;(waiton-is-itemized ...)
                  ;(waiton-items-are-expanded ...)
                  (waiton-tests             (db:get-tests-for-run-state-status dbstruct run-id waitontest-name))
		  (ever-seen         #f)
		  (parent-waiton-met #f)
		  (item-waiton-met   #f)

                  )
	      (for-each ; test expanded from waiton
	       (lambda (waiton-test) 
		 (let* ((waiton-state             (db:test-get-state waiton-test))
			(waiton-status            (db:test-get-status waiton-test))
			(waiton-item-path         (db:test-get-item-path waiton-test)) ;; BB- this is the upstream itempath
			(waiton-test-name         (db:test-get-testname waiton-test))
                        (waiton-is-toplevel       (equal? waiton-item-path ""))
                        (waiton-is-item           (not waiton-is-toplevel))
			(waiton-is-completed      (member waiton-state  *common:ended-states*))
			(waiton-is-running        (member waiton-state  *common:running-states*))
			(waiton-is-killed         (member waiton-state  *common:badly-ended-states*))
			(waiton-is-ok             (member waiton-status *common:well-ended-states*)) 
			;;                                              testname-b    path-a    path-b
			(same-itempath            (db:compare-itempaths ref-test-name waiton-item-path ref-item-path itemmaps)) ;; (equal? ref-item-path waiton-item-path)))
			(real-ref-test-name       (car (string-split ref-test-name "/"))) ;; I THINK ref-test-name SHOULD NEVER HAVE THE ITEM_PATH!
			(test-and-ref-are-same    (equal? real-ref-test-name waiton-test-name)))
		   (debug:print 4 *default-log-port* "waiton-test-name " waiton-test-name " ref-test-name: " ref-test-name " test-and-ref-are-same: " test-and-ref-are-same)
		   (set! ever-seen #t)
                   ;;(BB> "***consider waiton "waiton-test"/"waiton-item-path"***")
                   (cond
                    ;; case 0 - toplevel of an itemized test, at least one item in prereq has completed
                    ((and waiton-is-item ref-test-is-toplevel ref-test-itemized-mode waiton-is-completed)
                     (set! parent-waiton-met #t))

                    ;; case 1, non-item (parent test) is 
		    ((and waiton-is-toplevel ;; this is the parent test of the waiton being examined
			  waiton-is-completed
                          ;;(BB> "cond1")
			  (or waiton-is-ok ref-test-toplevel-mode)) ;;  itemmatch itemwait))))))
		     (set! parent-waiton-met #t))
		    ;; Special case for toplevel and KILLED
		    ((and waiton-is-toplevel ;; this is the parent test
			  waiton-is-killed
			  (member 'toplevel mode))
                     ;;(BB> "cond2")
		     (set! parent-waiton-met #t))
		    ;; For itemwait mode IFF the previous matching item is good the set parent-waiton-met
                    ((and ref-test-itemized-mode ref-test-is-item same-itempath)
                     ;;(BB> "cond3")
		     (if (and waiton-is-completed (or waiton-is-ok ref-test-toplevel-mode)) 
                         (set! item-waiton-met #t)
                         (set! unmet-prereq-items (cons waiton-test unmet-prereq-items)))
                     (if (and waiton-is-toplevel ;; if upstream rollup test is completed, parent-waiton-met is set
			      (or waiton-is-completed waiton-is-running))
			 (set! parent-waiton-met #t)))
		    ;; normal checking of parent items, any parent or parent item not ok blocks running
		    ((and waiton-is-completed
			  (or waiton-is-ok 
			      (member 'toplevel mode))              ;; toplevel does not block on FAIL
			  (and waiton-is-ok (member 'itemmatch mode) ;; itemmatch blocks on not ok ;; TODO: THIS IS PROBABLY A BUG.  ITEMMATCH AND ITEMWAIT ARE SYNONYMS!! WHAT HAPPENED OT ITEMWAIT???
                               ))
                     ;;(BB> "cond4")
		     (set! item-waiton-met #t))
                    ((and waiton-is-completed waiton-is-ok same-itempath)
                     ;;(BB> "cond5")
                     (set! item-waiton-met #t))
		    ((and waiton-is-completed waiton-is-ok test-and-ref-are-same) ;; probably from [waitons] table
		     (set! item-waiton-met #t))
                    (else
                     #t
                     ;;(BB> "condelse")
                     ))))
               waiton-tests)
	      ;; both requirements, parent and item-waiton must be met to NOT add item to
	      ;; prereq's not met list
               ;; (BB>
               ;;  "\n* waiton-tests           "waiton-tests
               ;;  "\n* parent-waiton-met      "parent-waiton-met
               ;;  "\n* item-waiton-met        "item-waiton-met
               ;;  "\n* ever-seen              "ever-seen
               ;;  "\n* ref-test-itemized-mode "ref-test-itemized-mode
               ;;  "\n* unmet-prereq-items     "unmet-prereq-items
               ;;  "\n* result (pre)           "result
               ;;  "\n* ever-seen              "ever-seen
               ;;  "\n")

              (cond
               ((and ref-test-itemized-mode ref-test-is-item (not (null? unmet-prereq-items)))
                (set! result (append unmet-prereq-items result)))
               ((not (or parent-waiton-met item-waiton-met))
                (set! result (append (if (null? waiton-tests) (list waitontest-name) waiton-tests) result))) ;; appends the string if the full record is not available
	      ;; if the test is not found then clearly the waiton is not met...
	      ;; (if (not ever-seen)(set! result (cons waitontest-name result)))))
               ((not ever-seen)
                (set! result (append (if (null? waiton-tests)(list waitontest-name) waiton-tests) result))))))
	  waitons)
	 (delete-duplicates result)))))

;;======================================================================
;; To sync individual run
;;======================================================================
(define (db:get-run-record-ids dbstruct target run keynames test-patt)
(let ((backcons (lambda (lst item)(cons item lst))))
    (db:with-db
     dbstruct #f #f 
     (lambda (db)
        (let* ((keystr (string-intersperse 
		     (map (lambda (key val)
			    (conc key " like '" val "'"))
			  keynames 
			  (string-split target "/"))
		     " AND "))
         (run-qry (conc "SELECT id FROM runs  WHERE " keystr  " and runname='" run"'"))
         (test-qry (conc "SELECT id FROM tests WHERE run_id in (" run-qry ") and testname like '" test-patt "'")))
         (print run-qry)
         (print test-qry) 
	 `((runs       . ,(sqlite3:fold-row backcons '() db run-qry))
	   (tests      . ,(sqlite3:fold-row backcons '() db test-qry))
	   (test_steps . ,(sqlite3:fold-row backcons '() db (conc "SELECT id FROM test_steps WHERE test_id in (" test-qry ")")))
	   (test_data  . ,(sqlite3:fold-row backcons '() db (conc "SELECT id FROM test_data  WHERE test_id in (" test-qry ")" )))
	   ))))))

;;======================================================================
;; Just for sync, procedures to make sync easy
;;======================================================================

;; get an alist of record ids changed since time since-time
;;   '((runs . (1 2 3 ...))(steps . (5 6 7 ...) ...))
;;
(define (db:get-changed-record-ids dbstruct since-time)
  ;; no transaction, allow the db to be accessed between the big queries
  (let ((backcons (lambda (lst item)(cons item lst))))
    (db:with-db
     dbstruct #f #f 
     (lambda (db)
       `((runs       . ,(sqlite3:fold-row backcons '() db "SELECT id FROM runs  WHERE last_update>=?" since-time))
	 (tests      . ,(sqlite3:fold-row backcons '() db "SELECT id FROM tests WHERE last_update>=?" since-time))
	 (test_steps . ,(sqlite3:fold-row backcons '() db "SELECT id FROM test_steps WHERE last_update>=?" since-time))
	 (test_data  . ,(sqlite3:fold-row backcons '() db "SELECT id FROM test_data  WHERE last_update>=?" since-time))
	 ;; (test_meta  . ,(fold-row backcons '() db "SELECT id FROM test_meta  WHERE last_update>?" since-time))
	 (run_stats  . ,(sqlite3:fold-row backcons '() db "SELECT id FROM run_stats  WHERE last_update>=?" since-time))
	 ))))

  )




;;======================================================================
;; tdb stuff
;;======================================================================


;;======================================================================
;; 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)
;; (import (prefix sqlite3 sqlite3:))
;; (import (prefix base64 base64:))
;; 
;; (declare (unit tdb))
;; (declare (uses common))
;; (declare (uses keys))
;; (declare (uses ods))
;; (declare (uses client))
;; (declare (uses mt))
;; (declare (uses db))
;; 
;; (include "common_records.scm")
;; (include "db_records.scm")
;; (include "key_records.scm")
;; (include "run_records.scm")

;;======================================================================
;;
;; T E S T   D A T A B A S E S
;;
;;======================================================================

;;======================================================================
;; T E S T   S P E C I F I C   D B 
;;======================================================================

;; Create the sqlite db for the individual test(s)
;;
;; Moved these tables into <runid>.db
;; THIS CODE TO BE REMOVED
;;
;; (define (open-test-db work-area) 
;;   (debug:print-info 11 *default-log-port* "open-test-db " work-area)
;;   (if (and work-area 
;; 	   (directory? work-area)
;; 	   (file-readable? work-area))
;;       (let* ((dbpath              (conc work-area "/testdat.db"))
;; 	     (dbexists            (common:file-exists? dbpath))
;; 	     (work-area-writeable (file-writable? work-area))
;; 	     (db                  (handle-exceptions  ;; open the db if area writeable or db pre-existing. open in-mem otherwise. if exception, open in-mem
;; 				   exn
;; 				   (begin
;; 				     (print-call-chain (current-error-port))
;; 				     (debug:print 2 *default-log-port* "ERROR: problem accessing test db " work-area ", you probably should clean and re-run this test"
;; 						  ((condition-property-accessor 'exn 'message) exn))
;; 				     (set! dbexists #f) ;; must force re-creation of tables, more tom-foolery
;; 				     (sqlite3:open-database ":memory:")) ;; open an in-memory db to allow readonly access 
;; 				   (if (or work-area-writeable
;; 					   dbexists)
;; 				       (sqlite3:open-database dbpath)
;; 				       (sqlite3:open-database ":memory:"))))
;; 	     (tdb-writeable       (and (file-writable? work-area)
;; 				       (file-writable? dbpath)))
;; 	     (handler   (sqlite3:make-busy-timeout (if (args:get-arg "-override-timeout")
;; 						       (string->number (args:get-arg "-override-timeout"))
;; 						       136000))))
;; 	
;; 	(if (and tdb-writeable
;; 		 *db-write-access*)
;; 	    (sqlite3:set-busy-handler! db handler))
;; 	(if (not dbexists)
;; 	    (begin
;; 	      (db:set-sync db) ;; (sqlite3:execute db "PRAGMA synchronous = FULL;")
;; 	      (debug:print-info 11 *default-log-port* "Initialized test database " dbpath)
;; 	      (tdb:testdb-initialize db)))
;; 	;; (sqlite3:execute db "PRAGMA synchronous = 0;")
;; 	(debug:print-info 11 *default-log-port* "open-test-db END (sucessful)" work-area)
;; 	;; now let's test that everything is correct
;; 	(handle-exceptions
;; 	 exn
;; 	 (begin
;; 	   (print-call-chain (current-error-port))
;; 	   (debug:print-error 0 *default-log-port* "problem accessing test db " work-area ", you probably should clean and re-run this test or remove the file " 
;; 			dbpath ".\n  "
;; 			((condition-property-accessor 'exn 'message) exn))
;; 	   #f)
;; 	 ;; Is there a cheaper single line operation that will check for existance of a table
;; 	 ;; and raise an exception ?
;; 	 (sqlite3:execute db "SELECT id FROM test_data LIMIT 1;"))
;; 	db)
;;       ;; no work-area or not readable - create a placeholder to fake rest of world out
;;       (let ((baddb (sqlite3:open-database ":memory:")))
;;  	(debug:print-info 11 *default-log-port* "open-test-db END (unsucessful)" work-area)
;;  	;; provide an in-mem db (this is dangerous!)
;;  	(tdb:testdb-initialize baddb)
;;  	baddb)))

;; ;; find and open the testdat.db file for an existing test
;; (define (tdb:open-test-db-by-test-id test-id #!key (work-area #f))
;;   (let* ((test-path (if work-area
;; 			work-area
;; 			(rmt:test-get-rundir-from-test-id test-id))))
;;     (debug:print 3 *default-log-port* "TEST PATH: " test-path)
;;     (open-test-db test-path)))
;; 
;; ;; find and open the testdat.db file for an existing test
;; (define (tdb:open-test-db-by-test-id-local dbstruct run-id test-id #!key (work-area #f))
;;   (let* ((test-path (if work-area
;; 			work-area
;; 			(db:test-get-rundir-from-test-id dbstruct run-id test-id))))
;;     (debug:print 3 *default-log-port* "TEST PATH: " test-path)
;;     (open-test-db test-path)))
;; 
;; ;; find and open the testdat.db file for an existing test
;; (define (tdb:open-run-close-db-by-test-id-local dbstruct run-id test-id work-area proc . params)
;;   (let* ((test-path (if work-area
;; 			work-area
;; 			(db:test-get-rundir-from-test-id dbstruct run-id test-id)))
;; 	 (tdb        (open-test-db test-path)))
;;     (apply proc tdb params)))

;; (define (tdb:testdb-initialize db)
;;   (debug:print 11 *default-log-port* "db:testdb-initialize START")
;;   (sqlite3:with-transaction
;;    db
;;    (lambda ()
;;      (for-each
;;       (lambda (sqlcmd)
;; 	(sqlite3:execute db sqlcmd))
;;       (list "CREATE TABLE IF NOT EXISTS test_rundat (
;;               id INTEGER PRIMARY KEY,
;;               update_time TIMESTAMP,
;;               cpuload INTEGER DEFAULT -1,
;;               diskfree INTEGER DEFAULT -1,
;;               diskusage INTGER DEFAULT -1,
;;               run_duration INTEGER DEFAULT 0);"
;; 	    "CREATE TABLE IF NOT EXISTS test_data (
;;               id INTEGER PRIMARY KEY,
;;               test_id INTEGER,
;;               category TEXT DEFAULT '',
;;               variable TEXT,
;; 	      value REAL,
;; 	      expected REAL,
;; 	      tol REAL,
;;               units TEXT,
;;               comment TEXT DEFAULT '',
;;               status TEXT DEFAULT 'n/a',
;;               type TEXT DEFAULT '',
;;               CONSTRAINT test_data_constraint UNIQUE (test_id,category,variable));"
;; 	    "CREATE TABLE IF NOT EXISTS test_steps (
;;               id INTEGER PRIMARY KEY,
;;               test_id INTEGER, 
;;               stepname TEXT, 
;;               state TEXT DEFAULT 'NOT_STARTED', 
;;               status TEXT DEFAULT 'n/a',
;;               event_time TIMESTAMP,
;;               comment TEXT DEFAULT '',
;;               logfile TEXT DEFAULT '',
;;               CONSTRAINT test_steps_constraint UNIQUE (test_id,stepname,state));"
;; 	    ;; test_meta can be used for handing commands to the test
;; 	    ;; e.g. KILLREQ
;; 	    ;;      the ackstate is set to 1 once the command has been completed
;; 	    "CREATE TABLE IF NOT EXISTS test_meta (
;;               id INTEGER PRIMARY KEY,
;;               var TEXT,
;;               val TEXT,
;;               ackstate INTEGER DEFAULT 0,
;;               CONSTRAINT metadat_constraint UNIQUE (var));"))))
;;   (debug:print 11 *default-log-port* "db:testdb-initialize END"))

;; This routine moved to db:read-test-data
;;
(define (tdb:read-test-data tdb test-id categorypatt)
  (let ((res '()))
    (sqlite3:for-each-row 
     (lambda (id test_id category variable value expected tol units comment status type)
       (set! res (cons (vector id test_id category variable value expected tol units comment status type) res)))
     tdb
     "SELECT id,test_id,category,variable,value,expected,tol,units,comment,status,type FROM test_data WHERE test_id=? AND category LIKE ? ORDER BY category,variable;" test-id categorypatt)
    (sqlite3:finalize! tdb)
    (reverse res)))

;;======================================================================
;; T E S T   D A T A 
;;======================================================================

;; ;; get a list of test_data records matching categorypatt
;; (define (tdb:read-test-data test-id categorypatt #!key (work-area #f))
;;   (let ((tdb  (tdb:open-test-db-by-test-id test-id work-area: work-area)))
;;     (if (sqlite3:database? tdb)
;; 	(let ((res '()))
;; 	  (sqlite3:for-each-row 
;; 	   (lambda (id test_id category variable value expected tol units comment status type)
;; 	     (set! res (cons (vector id test_id category variable value expected tol units comment status type) res)))
;; 	   tdb
;; 	   "SELECT id,test_id,category,variable,value,expected,tol,units,comment,status,type FROM test_data WHERE test_id=? AND category LIKE ? ORDER BY category,variable;" test-id categorypatt)
;; 	  (sqlite3:finalize! tdb)
;; 	  (reverse res))
;; 	'())))

(define (tdb:get-prev-tol-for-test tdb test-id category variable)
  ;; Finish me?
  (values #f #f #f))

;;======================================================================
;; S T E P S 
;;======================================================================

(define (tdb:step-get-time-as-string vec)
  (seconds->time-string (tdb:step-get-event_time vec)))

;; get a pretty table to summarize steps
;; 
;; NOT USED, WILL BE REMOVED
;;
(define (tdb:get-steps-table steps);; organise the steps for better readability
  (let ((res (make-hash-table)))
    (for-each 
     (lambda (step)
       (debug:print 6 *default-log-port* "step=" step)
       (let ((record (hash-table-ref/default 
		      res 
		      (tdb:step-get-stepname step) 
		      ;;        stepname                start end status Duration  Logfile 
		      (vector (tdb:step-get-stepname step) ""   "" ""     ""        ""))))
	 (debug:print 6 *default-log-port* "record(before) = " record 
		      "\nid:       " (tdb:step-get-id step)
		      "\nstepname: " (tdb:step-get-stepname step)
		      "\nstate:    " (tdb:step-get-state step)
		      "\nstatus:   " (tdb:step-get-status step)
		      "\ntime:     " (tdb:step-get-event_time step))
	 (case (string->symbol (tdb:step-get-state step))
	   ((start)(vector-set! record 1 (tdb:step-get-event_time step))
	    (vector-set! record 3 (if (equal? (vector-ref record 3) "")
				      (tdb:step-get-status step)))
	    (if (> (string-length (tdb:step-get-logfile step))
		   0)
		(vector-set! record 5 (tdb:step-get-logfile step))))
	   ((end)  
	    (vector-set! record 2 (any->number (tdb:step-get-event_time step)))
	    (vector-set! record 3 (tdb:step-get-status step))
	    (vector-set! record 4 (let ((startt (any->number (vector-ref record 1)))
					(endt   (any->number (vector-ref record 2))))
				    (debug:print 4 *default-log-port* "record[1]=" (vector-ref record 1) 
						 ", startt=" startt ", endt=" endt
						 ", get-status: " (tdb:step-get-status step))
				    (if (and (number? startt)(number? endt))
					(seconds->hr-min-sec (- endt startt)) "-1")))
	    (if (> (string-length (tdb:step-get-logfile step))
		   0)
		(vector-set! record 5 (tdb:step-get-logfile step))))
	   (else
	    (vector-set! record 2 (tdb:step-get-state step))
	    (vector-set! record 3 (tdb:step-get-status step))
	    (vector-set! record 4 (tdb:step-get-event_time step))))
	 (hash-table-set! res (tdb:step-get-stepname step) record)
	 (debug:print 6 *default-log-port* "record(after)  = " record 
		      "\nid:       " (tdb:step-get-id step)
		      "\nstepname: " (tdb:step-get-stepname step)
		      "\nstate:    " (tdb:step-get-state step)
		      "\nstatus:   " (tdb:step-get-status step)
		      "\ntime:     " (tdb:step-get-event_time step))))
     ;; (else   (vector-set! record 1 (tdb:step-get-event_time step)))
     (sort steps (lambda (a b)
		   (cond
		    ((<   (tdb:step-get-event_time a)(tdb:step-get-event_time b)) #t)
		    ((eq? (tdb:step-get-event_time a)(tdb:step-get-event_time b)) 
		     (<   (tdb:step-get-id a)        (tdb:step-get-id b)))
		    (else #f)))))
    res))

;; Move this to steps.scm
;;
;; get a pretty table to summarize steps
;;
(define (tdb:get-steps-table-list steps)
  ;; organise the steps for better readability
  (let ((res (make-hash-table)))
    (for-each 
     (lambda (step)
       (debug:print 6 *default-log-port* "step=" step)
       (let ((record (hash-table-ref/default 
		      res 
		      (tdb:step-get-stepname step) 
		      ;;        stepname                start end status    
		      (vector (tdb:step-get-stepname step) ""   "" ""     "" ""))))
	 (debug:print 6 *default-log-port* "record(before) = " record 
		      "\nid:       " (tdb:step-get-id step)
		      "\nstepname: " (tdb:step-get-stepname step)
		      "\nstate:    " (tdb:step-get-state step)
		      "\nstatus:   " (tdb:step-get-status step)
		      "\ntime:     " (tdb:step-get-event_time step))
	 (case (string->symbol (tdb:step-get-state step))
	   ((start)(vector-set! record 1 (tdb:step-get-event_time step))
	    (vector-set! record 3 (if (equal? (vector-ref record 3) "")
				      (tdb:step-get-status step)))
	    (if (> (string-length (tdb:step-get-logfile step))
		   0)
		(vector-set! record 5 (tdb:step-get-logfile step))))
	   ((end)  
	    (vector-set! record 2 (any->number (tdb:step-get-event_time step)))
	    (vector-set! record 3 (tdb:step-get-status step))
	    (vector-set! record 4 (let ((startt (any->number (vector-ref record 1)))
					(endt   (any->number (vector-ref record 2))))
				    (debug:print 4 *default-log-port* "record[1]=" (vector-ref record 1) 
						 ", startt=" startt ", endt=" endt
						 ", get-status: " (tdb:step-get-status step))
				    (if (and (number? startt)(number? endt))
					(seconds->hr-min-sec (- endt startt)) "-1")))
	    (if (> (string-length (tdb:step-get-logfile step))
		   0)
		(vector-set! record 5 (tdb:step-get-logfile step))))
	   (else
	    (vector-set! record 2 (tdb:step-get-state step))
	    (vector-set! record 3 (tdb:step-get-status step))
	    (vector-set! record 4 (tdb:step-get-event_time step))))
	 (hash-table-set! res (tdb:step-get-stepname step) record)
	 (debug:print 6 *default-log-port* "record(after)  = " record 
		      "\nid:       " (tdb:step-get-id step)
		      "\nstepname: " (tdb:step-get-stepname step)
		      "\nstate:    " (tdb:step-get-state step)
		      "\nstatus:   " (tdb:step-get-status step)
		      "\ntime:     " (tdb:step-get-event_time step))))
     ;; (else   (vector-set! record 1 (tdb:step-get-event_time step)))
     (sort steps (lambda (a b)
		   (cond
		    ((<   (tdb:step-get-event_time a)(tdb:step-get-event_time b)) #t)
		    ((eq? (tdb:step-get-event_time a)(tdb:step-get-event_time b)) 
		     (<   (tdb:step-get-id a)        (tdb:step-get-id b)))
		    (else #f)))))
    res))

;;
;; Move to steps.scm
;;
(define (tdb:get-compressed-steps comprsteps) ;; from tdb:get-steps-table
  (map (lambda (x)
	 ;; take advantage of the \n on time->string
	 (vector
	  (vector-ref x 0)
	  (let ((s (vector-ref x 1)))
	    (if (number? s)(seconds->time-string s) s))
	  (let ((s (vector-ref x 2)))
	    (if (number? s)(seconds->time-string s) s))
	  (vector-ref x 3)    ;; status
	  (vector-ref x 4)
	  (vector-ref x 5)))  ;; time delta
       (sort (hash-table-values comprsteps)
	     (lambda (a b)
	       (let ((time-a (vector-ref a 1))
		     (time-b (vector-ref b 1)))
		 (if (and (number? time-a)(number? time-b))
		     (if (< time-a time-b)
			 #t
			 (if (eq? time-a time-b)
			     (string<? (conc (vector-ref a 2))
				       (conc (vector-ref b 2)))
			     #f))
		     (string<? (conc time-a)(conc time-b))))))))

;; 
;; (define (tdb:remote-update-testdat-meta-info run-id test-id work-area cpuload diskfree minutes)
;;   (let ((tdb         (rmt:open-test-db-by-test-id run-id test-id work-area: work-area)))
;;     (if (sqlite3:database? tdb)
;; 	(begin
;; 	  (sqlite3:execute tdb "INSERT INTO test_rundat (update_time,cpuload,diskfree,run_duration) VALUES (strftime('%s','now'),?,?,?);"
;; 			   cpuload diskfree minutes)
;; 	  (sqlite3:finalize! tdb))
;; 	(debug:print 2 *default-log-port* "Can't update testdat.db for test " test-id " read-only or non-existant"))))
;;     
;; 

;;======================================================================
;;  T R I G G E R S
;;======================================================================

(define (mt:run-trigger cmd test-id test-rundir trigger logname test-name item-path event-time actual-state actual-status)
  ;; Putting the commandline into ( )'s means no control over the shell. 
  ;; stdout and stderr will be caught in the NBFAKE or mt_launch.log files
  ;; or equivalent. No need to do this. Just run it?
  (let* ((fullcmd (conc "nbfake "
			cmd           " "
			test-id       " "
			test-rundir   " "
			trigger       " "
			test-name     " "
			item-path     " " ;; has / prepended to deal with toplevel tests
			actual-state  " "
			actual-status " "
			event-time
			))
	 (prev-nbfake-log (get-environment-variable "NBFAKE_LOG")))
    (setenv "NBFAKE_LOG" (conc (cond
				((and (directory-exists? test-rundir)
				      (file-writable? test-rundir))
				 test-rundir)
				((and (directory-exists? *toppath*)
				      (file-writable? *toppath*))
				 *toppath*)
				(else (conc "/tmp/" (current-user-name))))
			       "/" logname))
    (debug:print-info 0 *default-log-port* "TRIGGERED on " trigger ", running command " fullcmd " output at " (get-environment-variable "NBFAKE_LOG"))
    ;; (call-with-environment-variables
    ;;  `(("NBFAKE_LOG" . ,(conc test-rundir "/" logname)))
    ;;  (lambda ()
    (process-run fullcmd)
    (if prev-nbfake-log
	(setenv "NBFAKE_LOG" prev-nbfake-log)
	(unsetenv "NBFAKE_LOG"))
    )) ;; ))

(define (mt:process-triggers dbstruct run-id test-id newstate newstatus)
  (if test-id 
      (let* ((test-dat      (db:get-test-info-by-id dbstruct run-id test-id)))
	(if test-dat
	    (let* ((test-rundir   (db:test-get-rundir       test-dat)) ;; ) ;; )
		   (test-name     (db:test-get-testname     test-dat))
		   (item-path     (db:test-get-item-path    test-dat))
		   (duration      (db:test-get-run_duration test-dat))
		   (comment       (db:test-get-comment      test-dat))
		   (event-time    (db:test-get-event_time   test-dat))
		   (tconfig       #f)
		   (state         (if newstate  newstate  (db:test-get-state  test-dat)))
		   (status        (if newstatus newstatus (db:test-get-status test-dat))))
	      ;; (mutex-lock! *triggers-mutex*)
              (handle-exceptions
               exn
               (begin
                 (debug:print-error 0 *default-log-port* " Exception in mt:process-triggers for run-id="run-id" test-id="test-id" newstate="newstate" newstatus="newstatus
                                    "\n   error: " ((condition-property-accessor 'exn 'message) exn) ", exn=" exn
                                    "\n   test-rundir="test-rundir
                                    "\n   test-name="test-name
                                    "\n   item-path="item-path
                                    "\n   state="state
                                    "\n   status="status
                                    "\n")
                 (print-call-chain (current-error-port))
                 #f)
               (if (and test-name
                        test-rundir)   ;; #f means no dir set yet
                   ;; (common:file-exists? test-rundir)
                   ;; (directory? test-rundir))
                   (call-with-environment-variables
                    (list (cons "MT_TEST_NAME"    (or test-name "no such test"))
                          (cons "MT_TEST_RUN_DIR" (or test-rundir "no test directory yet"))
                          (cons "MT_ITEMPATH"     (or item-path "")))
                    (lambda ()
                      (if (directory-exists? test-rundir)
                          (push-directory test-rundir)
                          (push-directory *toppath*))
                      (set! tconfig (mt:lazy-read-test-config test-name))
                      (for-each (lambda (trigger)
                                  (let* ((munged-trigger (string-translate trigger "/ " "--"))
					(logname        (conc "last-trigger-" munged-trigger ".log")))
                                    ;; first any triggers from the testconfig
                                    (let ((cmd  (configf:lookup tconfig "triggers" trigger)))
                                      (if cmd (mt:run-trigger cmd test-id test-rundir trigger (conc "tconfig-" logname) test-name item-path event-time state status)))
                                    ;; next any triggers from megatest.config
                                    (let ((cmd  (configf:lookup *configdat* "triggers" trigger)))
                                      (if cmd (mt:run-trigger cmd test-id test-rundir trigger (conc "mtconfig-" logname) test-name item-path event-time state status)))))
                                (list
                                 (conc state "/" status)
                                 (conc state "/")
                                 (conc "/" status)))
		     (pop-directory))
                    )))
	      ;; (mutex-unlock! *triggers-mutex*)
	      )))))


(define (mt:lazy-read-test-config test-name)
  (let ((tconf (hash-table-ref/default *testconfigs* test-name #f)))
    (if tconf
	tconf
	(let ((test-dirs (tests:get-tests-search-path *configdat*)))
	  (let loop ((hed (car test-dirs))
		     (tal (cdr test-dirs)))
	    ;; Setting MT_LINKTREE here is almost certainly unnecessary. 
	    (let ((tconfig-file (conc hed "/" test-name "/testconfig")))
	      (if (and (common:file-exists? tconfig-file)
		       (file-readable? tconfig-file))
		  (let ((link-tree-path (common:get-linktree)) ;; (configf:lookup *configdat* "setup" "linktree"))
			(old-link-tree  (get-environment-variable "MT_LINKTREE"))
			(bigmodenv      (module-environment 'bigmod)))
		    (if link-tree-path (setenv "MT_LINKTREE" link-tree-path))
		    (let ((newtcfg (configf:read-config tconfig-file #f #f env-to-use: bigmodenv))) ;; NOTE: Does NOT run [system ...]
		      (hash-table-set! *testconfigs* test-name newtcfg)
		      (if old-link-tree 
			  (setenv "MT_LINKTREE" old-link-tree)
			  (unsetenv "MT_LINKTREE"))
		      newtcfg))
		  (if (null? tal)
		      (begin
			(debug:print-error 0 *default-log-port* "No readable testconfig found for " test-name)
			#f)
		      (loop (car tal)(cdr tal))))))))))


(define (mt:get-run-stats dbstruct run-id)
;;  Get run stats from local access, move this ... but where?
  (db:get-run-stats dbstruct run-id))


;; When using zmq this would send the message back (two step process)
;; with spiffy or rpc this simply returns the return data to be returned
;; 
(define (server:reply return-addr query-sig success/fail result)
  (debug:print-info 11 *default-log-port* "server:reply return-addr=" return-addr ", result=" result)
  (db:obj->string (vector success/fail query-sig result)))


(define (common:with-queue-db mtconf proc #!key (use-lt #f)(toppath-in #f))
  (let* ((pktsdirs (common:get-pkts-dirs mtconf use-lt))
	 (pktsdir  (if pktsdirs (car pktsdirs) #f))
	 (toppath  (or (configf:lookup mtconf "scratchdat" "toppath")
		       toppath-in))
	 (pdbpath  (or (configf:lookup mtconf "setup"  "pdbpath") pktsdir)))
    (cond
     ((not (and  pktsdir toppath pdbpath))
      (debug:print 0 *default-log-port* "ERROR: settings are missing in your megatest.config for area management.")
      (debug:print  0 *default-log-port* "  you need to have pktsdirs in the [setup] section."))
     ((not (common:file-exists? pktsdir))
      (debug:print 0 *default-log-port* "ERROR: pkts directory not found " pktsdir))
     ((not (equal? (file-owner pktsdir)(current-effective-user-id)))
      (debug:print 0 *default-log-port* "ERROR: directory " pktsdir " is not owned by " (current-effective-user-name)))
     (else
	(let* ((pdb  (open-queue-db pdbpath "pkts.db"
				    schema: '("CREATE TABLE groups (id INTEGER PRIMARY KEY,groupname TEXT, CONSTRAINT group_constraint UNIQUE (groupname));"))))
	  (proc pktsdirs pktsdir pdb)
	  (dbi:close pdb))))))

(define (common:load-pkts-to-db mtconf #!key (use-lt #f))
  (common:with-queue-db
   mtconf
   (lambda (pktsdirs pktsdir pdb)
     (for-each
      (lambda (pktsdir) ;; look at all
	(cond
	 ((not (common:file-exists? pktsdir))
	  (debug:print 0 *default-log-port* "ERROR: packets directory " pktsdir " does not exist."))
	 ((not (directory? pktsdir))
	  (debug:print 0 *default-log-port* "ERROR: packets directory path " pktsdir " is not a directory."))
	 ((not (file-readable? pktsdir))
	  (debug:print 0 *default-log-port* "ERROR: packets directory path " pktsdir " is not readable."))
	 (else
	  (debug:print-info 0 *default-log-port* "Loading packets found in " pktsdir)
	  (let ((pkts (glob (conc pktsdir "/*.pkt"))))
	    (for-each
	     (lambda (pkt)
	       (let* ((uuid    (cadr (string-match ".*/([0-9a-f]+).pkt" pkt)))
		      (exists  (lookup-by-uuid pdb uuid #f)))
		 (if (not exists)
		     (let* ((pktdat (string-intersperse
				     (with-input-from-file pkt read-lines)
				     "\n"))
			    (apkt   (pkt->alist pktdat))
			    (ptype  (alist-ref 'T apkt)))
		       (add-to-queue pdb pktdat uuid (or ptype 'cmd) #f 0)
		       (debug:print 4 *default-log-port* "Added " uuid " of type " ptype " to queue"))
		     (debug:print 4 *default-log-port* "pkt: " uuid " exists, skipping...")
		     )))
	     pkts)))))
      pktsdirs))
   use-lt: use-lt))

;; ;; open an sql database inside a file lock
;; ;; returns: db existed-prior-to-opening
;; ;; RA => Returns a db handler; sets the lock if opened in writable mode
;; ;;
;; ;; (define *db-open-mutex* (make-mutex))
;; 
;; (define (db:lock-create-open fname initproc)
;;   (let* ((parent-dir   (or (pathname-directory fname)(current-directory))) ;; no parent? go local
;;          (raw-fname    (pathname-file fname))
;; 	 (dir-writable (file-writable? parent-dir))
;; 	 (file-exists  (common:file-exists? fname))
;; 	 (file-write   (if file-exists
;; 			   (file-writable? fname)
;; 			   dir-writable )))
;;     ;; (mutex-lock! *db-open-mutex*) ;; tried this mutex, not clear it helped.
;;     (if file-write ;; dir-writable
;; 	(condition-case
;;          (let* ((lockfname   (conc fname ".lock"))
;;                 (readyfname  (conc parent-dir "/.ready-" raw-fname))
;;                 (readyexists (common:file-exists? readyfname)))
;;            (if (not readyexists)
;;                (common:simple-file-lock-and-wait lockfname))
;;            (let ((db      (sqlite3:open-database fname)))
;;              (sqlite3:set-busy-handler! db (sqlite3:make-busy-timeout 136000))
;;              (sqlite3:execute db "PRAGMA synchronous = 0;")
;;              #;(if (and (configf:lookup *configdat* "setup" "tmp_mode") (string-match "^/tmp/.*" fname))
;;                  (begin
;;                    ;;(print "DEBUG: Setting tmp_mode for " fname) 
;;                    (sqlite3:execute db (configf:lookup *configdat* "setup" "tmp_mode"))
;;                    )
;;                  )  
;;              #;(if (and (configf:lookup *configdat* "setup" "nfs_mode") (not (string-match "^/tmp/.*" fname)))
;;                  (begin
;;                    ;;(print "DEBUG: Setting nfs_mode for " fname)
;;                    (sqlite3:execute db (configf:lookup *configdat* "setup" "nfs_mode"))
;;                    )
;;                  )  
;;              #;(if (and (not (or (configf:lookup *configdat* "setup" "tmp_mode") (configf:lookup *configdat* "setup" "nfs_mode")))  
;;                       (configf:lookup *configdat* "setup" "use-wal")
;;                       (string-match "^/tmp/.*" fname)) ;; this is a file in /tmp
;;                  (sqlite3:execute db "PRAGMA journal_mode=WAL;")
;;                  (debug:print 2 *default-log-port* "Creating " fname " in NON-WAL mode."))
;;              (if (not file-exists)
;;                  (initproc db))
;;              (if (not readyexists)
;;                  (begin
;;                    (common:simple-file-release-lock lockfname)
;;                    (with-output-to-file
;;                        readyfname
;;                      (lambda ()
;;                        (print "Ready at " 
;;                               (seconds->year-work-week/day-time 
;;                                (current-seconds)))))))
;;              db))
;;          (exn (io-error)  (debug:print 0 *default-log-port* "ERROR: i/o error with " fname ". Check permissions, disk space etc. and try again."))
;;          (exn (corrupt)   (debug:print 0 *default-log-port* "ERROR: database " fname " is corrupt. Repair it to proceed."))
;;          (exn (busy)      (debug:print 0 *default-log-port* "ERROR: database " fname " is locked. Try copying to another location, remove original and copy back."))
;;          (exn (permission)(debug:print 0 *default-log-port* "ERROR: database " fname " has some permissions problem."))
;;          (exn () (debug:print 0 *default-log-port* "ERROR: Unknown error with database " fname " message: " ((condition-property-accessor 'exn 'message) exn))))
;;         
;; 	(condition-case
;;          (begin
;;            (debug:print 2 *default-log-port* "WARNING: opening db in non-writable dir " fname)
;;            (let ((db (sqlite3:open-database fname)))
;;              (sqlite3:set-busy-handler! db (sqlite3:make-busy-timeout 136000))
;;              (sqlite3:execute db "PRAGMA synchronous = 0;")
;; 	     ;; (mutex-unlock! *db-open-mutex*)
;;              db))
;;          (exn (io-error)  (debug:print 0 *default-log-port* "ERROR: i/o error with " fname ". Check permissions, disk space etc. and try again."))
;;          (exn (corrupt)   (debug:print 0 *default-log-port* "ERROR: database " fname " is corrupt. Repair it to proceed."))
;;          (exn (busy)      (debug:print 0 *default-log-port* "ERROR: database " fname " is locked. Try copying to another location, remove original and copy back."))
;;          (exn (permission)(debug:print 0 *default-log-port* "ERROR: database " fname " has some permissions problem."))
;;          (exn () (debug:print 0 *default-log-port* "ERROR: Unknown error with database " fname " message: " ((condition-property-accessor 'exn 'message) exn))))
;; 	)))


;; ;; This routine creates the db if not already present. It is only called if the db is not already opened
;; ;;
;; (define (db:open-db dbstruct run-id)
;;   (let* ((max-stale-tmp (configf:lookup-number *configdat* "server" "filling-db-max-stale-seconds" default: 10))
;; 	 (dbpath       (common:get-db-tmp-area ))      ;; path to tmp db area
;; 	 (dbexists     (common:file-exists? dbpath))
;; 	 (tmpdbfname   (conc dbpath "/megatest.db"))
;; 	 (dbfexists    (common:file-exists? tmpdbfname))  ;; (conc dbpath "/megatest.db")))
;; 	 (mtdbexists   (common:file-exists? (conc *toppath* "/megatest.db")))
;; 	 
;; 	 (mtdbmodtime  (if mtdbexists (common:lazy-sqlite-db-modification-time (conc *toppath* "/megatest.db"))   #f))
;; 	 (tmpdbmodtime (if dbfexists  (common:lazy-sqlite-db-modification-time tmpdbfname) #f)) 
;; 	 (mtdb         (db:open-megatest-db))
;; 	 (mtdbpath     (db:dbdat-get-path mtdb))
;; 	 (tmpdb        (db:open-megatest-db path: dbpath)) ;; lock-create-open dbpath db:initialize-main-db))
;; 	 (refndb       (db:open-megatest-db path: dbpath name: "megatest_ref.db"))
;; 	 (write-access (file-writable? mtdbpath))
;; 	 (modtimedelta (and mtdbmodtime tmpdbmodtime (- mtdbmodtime tmpdbmodtime))))
;; 
;;           (when write-access
;;             (sqlite3:execute (car mtdb) "drop trigger if exists update_tests_trigger")
;;             (sqlite3:execute (car mtdb) "drop trigger if exists update_runs_trigger"))
;;           
;; 	  (if (and dbexists (not write-access))
;;               (begin
;;                 (set! *db-write-access* #f)
;;                 (dbr:dbstruct-read-only-set! dbstruct #t)))
;;           (dbr:dbstruct-mtdb-set!   dbstruct mtdb)
;;           (dbr:dbstruct-tmpdb-set!  dbstruct tmpdb)
;;           (if (and  (or (not dbfexists)
;; 			(and modtimedelta
;; 			     (> modtimedelta max-stale-tmp))) ;; if db in tmp is over ten seconds older than the file in MTRA then do a sync back
;; 		    do-sync)
;; 	      (begin
;; 		(debug:print 1 *default-log-port* "filling db " (db:dbdat-get-path tmpdb) " with data \n    from " (db:dbdat-get-path mtdb) " mod time delta: " modtimedelta)
;; 		(db:sync-tables (db:sync-all-tables-list dbstruct) #f mtdb refndb tmpdb)
;; 		;; touch tmp db to avoid wal mode wierdness  
;; 		(set-file-times! tmpdbfname (current-seconds))  
;;                 (debug:print-info 13 *default-log-port* "db:sync-all-tables-list done.")
;;                 )
;; 	      (debug:print 4 *default-log-port* " db, " (db:dbdat-get-path tmpdb) " already exists or fresh enough, not propogating data from\n     " (db:dbdat-get-path mtdb) " mod time delta: " modtimedelta) )
;; 	  ;; (db:multi-db-sync dbstruct 'old2new))  ;; migrate data from megatest.db automatically
;;           tmpdb))))

;; Open the classic megatest.db file (defaults to open in toppath)
;;
;;   NOTE: returns a dbdat not a dbstruct!
;;

;;(define (db:reopen-megatest-db

;;======================================================================
;; K E E P   F I L E D B   I N   dbstruct
;;======================================================================

;; (define (db:get-filedb dbstruct run-id)
;;   (let ((db (vector-ref dbstruct 2)))
;;     (if db
;; 	db
;; 	(let ((fdb (filedb:open-db (conc *toplevel* "/db/files.db"))))
;; 	  (vector-set! dbstruct 2 fdb)
;; 	  fdb))))
;; 
;; ;; Can also be used to save arbitrary strings
;; ;;
;; (define (db:save-path dbstruct path)
;;   (let ((fdb (db:get-filedb dbstruct)))b
;;     (filedb:register-path fdb path)))
;; 
;; ;; Use to get a path. To get an arbitrary string see next define
;; ;;
;; (define (db:get-path dbstruct id)
;;   (let ((fdb (db:get-filedb dbstruct)))
;;     (filedb:get-path db id)))

;;======================================================================
;; alist-of-alists
;;======================================================================
;; 
;; (define (db:aa-set! dat key1 key2 val)
;;   (let loop ((

;;======================================================================
;; hash of hashs
;;======================================================================

(define (db:hoh-set! dat key1 key2 val)
  (let* ((subhash (hash-table-ref/default dat key1 #f)))
    (if subhash
	(hash-table-set! subhash key2 val)
	(begin
	  (hash-table-set! dat key1 (make-hash-table))
	  (db:hoh-set! dat key1 key2 val)))))

(define (db:hoh-get dat key1 key2)
  (let* ((subhash (hash-table-ref/default dat key1 #f)))
    (and subhash
	 (hash-table-ref/default subhash key2 #f))))

(define (db:get-cache-stmth dbstruct db stmt)
  (let* ((stmt-cache        (dbr:dbstruct-stmt-cache dbstruct))
	 (stmth             (db:hoh-get stmt-cache db stmt)))
    (or stmth
	(let* ((newstmth (sqlite3:prepare db stmt)))
	  (db:hoh-set! stmt-cache db stmt newstmth)
	  newstmth))))

;;======================================================================
;; S E R V E R   R E C O R D S
;;======================================================================

;; these are all intended to be run against main.db

;; run this one in a transaction where first check if host:port is taken
(define (db:register-server dbstruct host port servkey pid ipaddr apath dbname)
  (db:with-db
   dbstruct
   #f #f
   (lambda (db)
     (sqlite3:with-transaction
      db
      (lambda ()
	(let* ((sinfo      (db:get-server-info dbstruct apath dbname)))
	  (if sinfo
	      (begin
		(debug:print-info 0 *default-log-port* "Server already running at "sinfo ", while trying to register server " host":"port)
		#f) ;; server already registered
	      (begin
		(sqlite3:execute db "INSERT INTO servers (host,port,servkey,pid,ipaddr,apath,dbname) VALUES (?,?,?,?,?,?,?);"
				 host port servkey pid ipaddr apath dbname)
		(db:get-server-info dbstruct apath dbname)))))))))
  
(define (db:get-server-info dbstruct apath dbname)
  (db:with-db
   dbstruct
   #f #f
   (lambda (db)
     (sqlite3:fold-row
      (lambda (res host port servkey pid ipaddr apath dbpath)
	(list host port servkey pid ipaddr apath dbpath))
      #f
      db
      "SELECT host,port,servkey,pid,ipaddr,apath,dbname FROM servers WHERE apath=? AND dbname=?;"
      apath dbname))))

)