Megatest

dboard : $(OFILES) $(GOFILES) dashboard.scm $(MOFILES) $(MOIMPFILES) megatest-version.scm megatest-fossil-hash.scm
	csc $(CSCOPTS) $(OFILES) dashboard.scm $(GOFILES) $(MOFILES) $(MOIMPFILES) -o dboard

mtut: $(OFILES) $(MOFILES) megatest-fossil-hash.scm mtut.scm megatest-version.scm
	csc $(CSCOPTS) $(OFILES) $(MOFILES) mtut.scm -o mtut

# include makefile.inc


TCMTOBJS = \
	api.o \
	archive.o \
	cgisetup/models/pgdb.o \
	client.o \
	common.o \

    ((not (vector? dat))                    ;; it is an error to not receive a vector
     (vector #f (vector #f "remote must be called with a vector")))
    ((> *api-process-request-count* 20) ;; 20)
     (debug:print 0 *default-log-port* "WARNING: api:execute-requests received an overloaded message.")
     (set! *server-overloaded* #t)
     (vector #f (vector #f 'overloaded))) ;; the inner vector is what gets returned. nope, don't know why. please refactor!
    (else  
     (let* ((cmd-in            (vector-ref dat 0))
            (cmd               (if (symbol? cmd-in)
				   cmd-in
				   (string->symbol cmd-in)))
            (params            (vector-ref dat 1))
            (start-t           (current-milliseconds))
            (readonly-mode     (dbr:dbstruct-read-only dbstruct))
            (readonly-command  (member cmd api:read-only-queries))
            (writecmd-in-readonly-mode (and readonly-mode (not readonly-command)))
            #;(foo               (begin
                                 #;(common:telemetry-log (conc "api-in:"(->string cmd))
                                                       payload: `((params . ,params)))

		   ((no-sync-job-records-clean) (apply db:no-sync-job-records-clean *no-sync-db* params))
		   
                   ;; ARCHIVES
                   ;; ((archive-get-allocations)   
                   ((archive-register-disk)     (apply db:archive-register-disk dbstruct params))
                   ((archive-register-block-name)(apply db:archive-register-block-name dbstruct params))
                   ;; ((archive-allocate-testsuite/area-to-block)(apply db:archive-allocate-testsuite/area-to-block dbstruct block-id testsuite-name areakey))

                   ;;======================================================================
                   ;; READ ONLY QUERIES
                   ;;======================================================================

                   ;; KEYS
                   ((get-key-val-pairs)               (apply db:get-key-val-pairs dbstruct params))
                   ((get-keys)                        (db:get-keys dbstruct))

;;
(define (api:process-request dbstruct $) ;; the $ is the request vars proc
  (debug:print 4 *default-log-port* "server-id:"  *server-id*)
  (let* ((cmd     ($ 'cmd))
	 (paramsj ($ 'params))
         (key     ($ 'key))   
	 (params  (db:string->obj paramsj transport: 'http))) ;; incoming data from the POST (or is it a GET?)


    (debug:print 4 *default-log-port* "cmd:" cmd " with params " params "key " key)
    (if (equal? key *server-id*)
      (begin
        (set! *api-process-request-count* (+ *api-process-request-count* 1))
 	(let* ((resdat  (api:execute-requests dbstruct (vector cmd params))) ;; process the request, resdat = #( flag result )
	       (success (vector-ref resdat 0))
	       (res     (vector-ref resdat 1))) ;; (vector flag payload), get the payload, ignore the flag (why?)

	  ;;          (number? res)
	  ;;          (boolean? res))
	  ;;      res 
	  ;;      (list "ERROR, not string, list, number or boolean" 1 cmd params res)))))
	  (db:obj->string res transport: 'http)))
	(begin
	  (debug:print 0 *default-log-port*   "Server refused to process request. Sever id mismatch. recived " key " expected:  " *server-id* ".\nOther arguments recived: cmd=" cmd " params = " params) 
	  (db:obj->string (conc "Server refused to process request server-id mismatch: " key ", " *server-id*) transport: 'http)))))

	    (debug:print-info 13 *default-log-port* "after db:setup with dbstruct=" dbstruct)
	    (cond
	     ((dbr:dbstruct-read-only dbstruct)
	      (debug:print-info 13 *default-log-port* "loading read-only watchdog")
	      (common:readonly-watchdog dbstruct))
	     (else
	      (debug:print-info 13 *default-log-port* "loading writable-watchdog.")
              (let* ((syncer (or (configf:lookup *configdat* "server" "sync-method") "brute-force-sync")))
                (cond
                 ((equal? syncer "brute-force-sync")
                  (server:writable-watchdog-bruteforce dbstruct))
                 ((equal? syncer "delta-sync")
                  (server:writable-watchdog-deltasync dbstruct))
                 (else
                  (debug:print-error 0 *default-log-port* "Unknown server/sync-method specified ("syncer") - valid values are brute-force-sync and delta-sync.")

                        ;;                                             userdata: (conc "run-id: " run-id))))
                        (hash-table-set! (dboard:tabdat-path-run-ids tabdat) run-path run-id)
                        ;; (set! colnum (+ colnum 1))
                        ))))
	      run-ids)))

(define (dashboard:tests-ht->tests-dat tests-ht)
  (reverse
   (sort
    (hash-table-values tests-ht)
    (lambda (a b) 
      (let ((a-test-name  (db:test-get-testname a))
            (a-item-path  (db:test-get-item-path a))
            (b-test-name  (db:test-get-testname b))
            (b-item-path  (db:test-get-item-path b))
            (a-event-time (db:test-get-event_time a))
            (b-event-time (db:test-get-event_time b)))
        (if (not (equal? a-test-name b-test-name))
            (> a-event-time b-event-time)
            (cond
             ((< 0 (string-compare3 a-test-name b-test-name)) #t)
             ((> 0 (string-compare3 a-test-name b-test-name)) #f)
             ((< 0 (string-compare3 a-item-path b-item-path)) #t)
             (else #f))))))))
  #;(let ((oldest-item (make-hash-table))) ;;
    ;; populate the oldest-item table
    (for-each
     (lambda (tdat)
       (let ((tname (db:test-get-testname tdat))
	     (etime (db:test-get-event_time tdat)))
	 (if (hash-table-exists? oldest-item tname)
	     (if (< (hash-table-ref oldest-item tname) etime)

	      (b-test-name  (db:test-get-testname b))
	      (b-item-path  (db:test-get-item-path b))
	      (a-event-time (db:test-get-event_time a))
	      (b-event-time (db:test-get-event_time b)))
	  (if (equal? a-test-name b-test-name)
	      (> a-event-time b-event-time)
	      (> (hash-table-ref oldest-item a-test-name)
		 (hash-table-ref oldest-item b-test-name))))))))
;;	  (if (not (equal? a-test-name b-test-name))
;;	      (> a-event-time b-event-time)
;;	      (cond
;;	       ((< 0 (string-compare3 a-test-name b-test-name)) #t)
;;	       ((> 0 (string-compare3 a-test-name b-test-name)) #f)
;;	       ((< 0 (string-compare3 a-item-path b-item-path)) #t)
;;	       (else #f)))))))))


(define (dashboard:run-id->tests-mindat run-id tabdat runs-hash)
  (let* ((run          (hash-table-ref/default runs-hash run-id #f))
         (key-vals     (rmt:get-key-vals run-id))
         (testnamepatt (or (dboard:tabdat-test-patts tabdat) "%/%"))
         (tests-ht     (dboard:get-tests-for-run-duplicate tabdat run-id run testnamepatt key-vals))
         (tests-dat    (dashboard:tests-ht->tests-dat tests-ht)) 

                (for-each (lambda (ind)
                            (let* ((name (car ind))
                                   (num  (cadr ind))
                                   (key  (conc "0:" num)))
                              (if (not (equal? (iup:attribute run-matrix key) name))
                                  (begin
                                    (set! changed #t)
                                    (iup:attribute-set! run-matrix key name)
                                    (if (<= num max-col)
                                        (iup:attribute-set! run-matrix "FITTOTEXT" (conc "C" num)))))))
                          col-indices)
                
                (if (and (eq? pass-num 0) changed)
                    (loop 1 #t)) ;; force second pass due to column labels changing
                
                ;; (debug:print 0 *default-log-port* "runs-summary-updater, changed: " changed " pass-num: " pass-num)

  (let* ((dbpath (db:dbfile-path))
	 (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;")))
    ;; MOVE THIS TABLE CREATION TO THE (begin above in about six months (it is Sep 2020 right now).
    (sqlite3:execute db "CREATE TABLE IF NOT EXISTS jobs_queue (id INTEGER PRIMARY KEY, host_type TEXT, cores INTEGER, memory TEXT, vars TEXT, exekey TEXT, cmdline TEXT, state TEXT, event_time INTEGER, last_update INTEGER);")
    ;; not sure I'll use this next one. I prefer if tests simply append to a file:
    ;;    last-update-seconds cpuload tmpspace rundirspace
    (sqlite3:execute db "CREATE TABLE IF NOT EXISTS test_extra_data (id INTEGER PRIMARY KEY, run_id INTEGER, test_id INTEGER, last_seen_running INTEGER);") 

  -sync-to dest           : sync to new postgresql central style database
  -update-meta            : update the tests metadata for all tests
  -setvars VAR1=val1,VAR2=val2 : Add environment variables to a run NB// these are
                                 overwritten by values set in config files.
  -server -|hostname      : start the server (reduces contention on megatest.db), use
                            - to automatically figure out hostname
  -adjutant host-type     : start the server/adjutant with given host-type

  -transport http|rpc     : use http or rpc for transport (default is http) 
  -log logfile            : send stdout and stderr to logfile
  -list-servers           : list the servers 
  -kill-servers           : kill all servers
  -repl                   : start a repl (useful for extending megatest)
  -load file.scm          : load and run file.scm
  -mark-incompletes       : find and mark incomplete tests

				  (vector #t '())) ;; should always get a vector but if something goes wrong return a dummy
				(if (and (vector? v)
					 (> (vector-length v) 1))
				    (let ((newvec (vector (vector-ref v 0)(vector-ref v 1))))
				      newvec)           ;; by copying the vector while inside the error handler we should force the detection of a corrupted record
				    (vector #t '()))))  ;; we could also check that the returned types are valid
			     (vector #t '())))
	 (success        (vector-ref resdat 0))
	 (res            (vector-ref resdat 1))
	 (duration       (- (current-milliseconds) start)))
    (if (and read-only qry-is-write)
        (debug:print 0 *default-log-port* "ERROR: attempt to write to read-only database ignored. cmd=" cmd))
    (if (not success)
	(if (> remretries 0)
	    (begin
	      (debug:print-error 0 *default-log-port* "local query failed. Trying again.")

;; if it then has the wrong server key, wait <idle time> + 1 and call this function recursively.
;;
(define (server:wait-for-server-start-last-flag areapath)
  (let* ((start-flag (conc areapath "/logs/server-start-last"))
	 ;;; THIS INTERACTS WITH [server] timeout. Suggest using 0.1 or above for timeout (6 seconds)
	 (idletime    (configf:lookup-number *configdat* "server" "idletime" default: 4))
	 (server-key (conc (get-host-name) "-" (current-process-id))))

    (if (file-exists? start-flag)
	(let* ((fmodtime (file-modification-time start-flag))
	       (delta    (- (current-seconds) fmodtime))
	       (old-enough   (> delta idletime))
               (new-server-key "")
              )