Megatest

    ((get-keys-write)                        (db:get-keys dbstruct)) ;; force a dummy "write" query to force server; for debug in -repl
    
    ;; SERVERS
    ;; ((start-server)                    (apply server:kind-run params))
    ((kill-server)                       (set! *server-run* #f))
    ((get-server)                        (api:start-server dbstruct params))
    ((register-server)                   (apply db:register-server dbstruct params) );; dbstruct host port servkey pid ipaddr dbpath)
    ((deregister-server)                 (apply db:deregister-server dbstruct params) );; dbstruct host port servkey pid ipaddr dbpath)
    ((get-count-servers)                 (apply db:get-count-servers dbstruct params))

    ;; TESTS

    ;;((test-set-state-status-by-id)     (apply mt:test-set-state-status-by-id dbstruct params))
    ;;BB - commented out above because it was calling below, eventually, incorrectly (dbstruct passed to mt:test-set-state-status-by-id, which previosly did more, but now only passes thru to db:set-state-status-and-roll-up-items.
    ((test-set-state-status-by-id)

    ((set-state-status-and-roll-up-items) (apply db:set-state-status-and-roll-up-items dbstruct params))
    ((set-state-status-and-roll-up-run) (apply db:set-state-status-and-roll-up-run dbstruct params)) 
    ((top-test-set-per-pf-counts)      (apply db:top-test-set-per-pf-counts dbstruct params))
    ((test-set-archive-block-id)       (apply db:test-set-archive-block-id dbstruct params))

    ;; RUNS
    ((register-run)                 (apply db:register-run dbstruct params))
    ((insert-run)                   (apply db:insert-run dbstruct params))
    ((set-tests-state-status)       (apply db:set-tests-state-status dbstruct params))
    ((delete-run)                   (apply db:delete-run dbstruct params))
    ((lock/unlock-run)              (apply db:lock/unlock-run dbstruct params))
    ((update-run-event_time)        (apply db:update-run-event_time dbstruct params))
    ((update-run-stats)             (apply db:update-run-stats dbstruct params))
    ((set-var)                      (apply db:set-var dbstruct params))
    ((inc-var)                      (apply db:inc-var dbstruct params))

(define *home-host*         #f)
;; (define *total-non-write-delay* 0)
(define *heartbeat-mutex*   (make-mutex))
(define *api-process-request-count* 0)
(define *max-api-process-requests* 0)
(define *server-overloaded*  #f)
(define *writes-total-delay*  0)
(define *unclean-shutdown*  #t) ;; flag to clear on clean shutdown

;; client
(define *rmt-mutex*         (make-mutex))     ;; remote access calls mutex 

;; RPC transport
(define *rpc:listener*      #f)

;; KEY info
;; (define *target*            (make-hash-table)) ;; cache the target here; target is keyval1/keyval2/.../keyvalN
(define *keys*              (make-hash-table)) ;; cache the keys here
(define *keyvals*           (make-hash-table))
(define *toptest-paths*     (make-hash-table)) ;; cache toptest path settings here
(define *test-paths*        (make-hash-table)) ;; cache test-id to test run paths here
(define *test-ids*          (make-hash-table)) ;; cache run-id, testname, and item-path => test-id

;; timeout is hms string: 1h 5m 3s, default is 10 minutes
;;
(define (server:expiration-timeout)
  (let ((tmo (configf:lookup *configdat* "server" "timeout")))
    (if (and (string? tmo)
	     (common:hms-string->seconds tmo)) ;; BUG: hms-string->seconds is broken, if given "10" returns 0. Also, it doesn't belong in this logic unless the string->number is changed below
        (* 3600 (string->number tmo))
	600))) ;; default is ten minutes
	60))) ;; default is one minute

(define (runs:get-mt-env-alist run-id runname target testname itempath)
  ;;(bb-check-path msg: "runs:set-megatest-env-vars entry")
  `(("MT_TEST_NAME"     . ,testname)
    
    ("MT_ITEMPATH"      . ,itempath)

	chicken.file
	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.eval
	
	debugprint
	(prefix mtargs args:)

		     (cmd     (list-ref matchdat 3))
		     (poststr (list-ref matchdat 4))
		     (result  #f)
		     (start-time (current-seconds))
		     (cmdsym  (string->symbol cmdtype))
		     (fullcmd
		      (conc  configf:std-imports
			     "(import chicken.process-context.posix)"
			     "(define setenv set-environment-variable)"
			     (case cmdsym
			       ((scheme scm) (conc "(lambda (ht)" cmd ")"))
			       ((system)     (conc "(lambda (ht)(configf:system ht \"" cmd "\"))"))
			       ((shell sh)   (conc "(lambda (ht)(string-translate (shell \""  cmd "\") \"\n\" \" \"))"))
			       ((realpath rp)(conc "(lambda (ht)(common:nice-path \"" cmd "\"))"))
			       ((getenv gv)  (conc "(lambda (ht)(get-environment-variable \"" cmd "\"))"))
			       ((mtrah)      (conc "(lambda (ht)"

;; 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))
	 ;; (inmem    (db:open-inmem-db dbinit-proc))
	 (dbdat    (make-dbr:dbdat
		    db:     db
		    inmem:  inmem
		    db:     #f ;; db
		    inmem:  db ;; 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)
    ;; (db:sync-tables (db:sync-all-tables-list) '("last_update" . 0) db inmem)
    ;; (sqlite3:finalize! db) ;; open and close every sync
    dbdat))
;; (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:     #f ;; 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) '("last_update" . 0) db inmem)
;;     (sqlite3:finalize! db) ;; open and close every sync
;;     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)
      ;; (db:set-sync db) ;; we don't mind that this is slow?
      (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))

;; for debugging we have a local mode. these routines support that mode
(define *dbcache* (make-hash-table))

(define (db:cache-get-dbstruct rid apath)
  (let* ((dbname (db:run-id->dbname rid))
	 (dbfile (db:dbname->path apath dbname)))
    (or (hash-table-ref/default *dbcache* dbfile #f)
	(let* ((dbstruct (db:setup dbfile))) ;; (db:open-dbdat apath dbfile db:initialize-db)))
	  (hash-table-set! *dbcache* dbfile dbstruct)
	  dbstruct))))

(define (db:finalize-all-cache-dbstruct)
  #f)
	  

;; 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)
(define (db:setup db-file) ;; 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-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
;;

  (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)
    ;; (sqlite3:finalize! dbh)
    res))

;; called before db is open?
;;
(define (db:get-iam-server-lock dbh dbfname)
  (sqlite3:with-transaction
   dbh

;; ;;     (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))
  #f) ;; disabled
  (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*)))
;;   (let* ((dbdat       (db:get-dbdat dbstruct apath dbfile))
;; 	 (dbfullname  (conc apath "/" dbfile))
;; 	 (db          (db:open-run-db dbfullname db:initialize-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 0 *default-log-port* "Syncing for dbfile: "dbfile", last-update: "last-update", last-sync: "last-sync)
;;     (mutex-lock! *db-multi-sync-mutex*)
;;     (let* ((update_info (cons "last_update" (if force-sync 0 last-update))) ;;  "last_update"))
;;     	   (need-sync   (or force-sync (>= last-update last-sync))))
;;       (if need-sync
;; 	  (begin
;; 	    (db:sync-tables (db:sync-all-tables-list) update_info inmem db)
;; 	    (dbr:dbdat-last-sync-set! dbdat start-t))
;; 	  (debug:print 0 *default-log-port* "Skipping sync as nothing touched.")))
;;     (sqlite3:finalize! db)
;;     (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))
#;(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)
#;(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.

	   (sqlite3:execute "DELETE FROM servers WHERE state LIKE 'defunct%';"))
	  (else
	   (sqlite3:execute db "vacuum;")))
	 
	 (sqlite3:finalize! db)
	 #t))))))

;; last-update is *always* a pair ( fieldname|#f . last-update-seconds|#f)
(define (db:sync-one-table fromdb todb tabledat last-update numrecs)
  (assert (pair? last-update) "FATAL: last-update must always be a pair.")
  (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))
	 (last-update-field (or (car last-update)
				(if has-last-update
				    "last_update"
			     #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)))
				    #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))
	 (has-field         (member last-update-field fields))
	 (last-update-value (cdr last-update))
				#f))
	 (last-update-field (if use-last-update
	 (use-last-update   (and has-field last-update-field last-update-value))
				(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)
						  "")

			   (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
		       (debug:print 0 *default-log-port* "applying data "fromrow"to table "tablename", numrecs="numrecs)
		       (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)

  (assert (pair? last-update) "FATAL: last-update must always be a pair")
  ;; 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))

      (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))))))
	       (if should-print (debug:print 0 *default-log-port* "   "tblname" "count))))) ;; (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
  ;;

			  (string->number res)
			  #f)))
          (if newres
              newres
              res))
        res)))

(define (db:no-sync-close-db db stmt-cache)
#;(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

    (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))))

;; register a test run with the db, this accesses the main.db and does NOT
;; use server api
;;
(define (db:insert-run dbstruct run-id 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 (id,runname,state,status,owner,event_time,contour" comma keystr ") VALUES (?,?,?,?,?,strftime('%s','now'),?" comma valslots ");")
		    run-id
		    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)

		(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)))))))))
  
;; run this one in a transaction where first check if host:port is taken
(define (db:deregister-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 (not sinfo)
	      (begin
		(debug:print-info 0 *default-log-port* "Server already removed for "apath", "dbname) ;; at "sinfo ", while trying to register server " host":"port)
		#f) ;; server already deregistered
	      (begin
		(sqlite3:execute db "DELETE FROM servers WHERE apath=? AND dbname=?;" ;; (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))))

(define (db:get-count-servers dbstruct apath)
  (db:with-db
   dbstruct
   #f #f
   (lambda (db)
     (sqlite3:fold-row
      (lambda (res count)
	(max res count))
      0
      db
      "SELECT count(*) FROM servers WHERE apath=?;"
      apath))))
)

)

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

    subgraph cluster_1 {
        node [style=filled,shape=box];

	rmt:send-receive -> "init-*remote* if needed" -> rmt:general-open-connection ->
	  rmt:send-receive-real;
	

	check_available_queue       -> remove_entries_over_10s_old;
	remove_entries_over_10s_old -> set_available [label="num_avail < 3"];
	remove_entries_over_10s_old -> exit [label="num_avail > 2"];

	set_available               -> delay_2s;
	delay_2s          -> check_place_in_queue;

	check_place_in_queue        -> "http:transport-launch" [label="at head"];
	check_place_in_queue        -> exit [label="not at head"];

	"client:login"              -> "server:shutdown" [label="login failed"];
	"server:shutdown"           -> exit;	

	subgraph cluster_2 {
		"http:transport-launch"       -> "http:transport-run";
		"http:transport-launch"       -> "http:transport-keep-running";

		"http:transport-keep-running" -> "tests running?";
		"tests running?"              -> "client:login" [label=yes];
		"tests running?"              -> "server:shutdown" [label=no];
		"client:login"                -> delay_5s [label="login ok"];
		delay_5s                      -> "http:transport-keep-running";
//	check_available_queue       -> remove_entries_over_10s_old;
//	remove_entries_over_10s_old -> set_available [label="num_avail < 3"];
//	remove_entries_over_10s_old -> exit [label="num_avail > 2"];
//
//	set_available               -> delay_2s;
//	delay_2s          -> check_place_in_queue;
//
//	check_place_in_queue        -> "http:transport-launch" [label="at head"];
//	check_place_in_queue        -> exit [label="not at head"];
//
//	"client:login"              -> "server:shutdown" [label="login failed"];
//	"server:shutdown"           -> exit;	
//
//	subgraph cluster_2 {
//		"http:transport-launch"       -> "http:transport-run";
//		"http:transport-launch"       -> "http:transport-keep-running";
//
//		"http:transport-keep-running" -> "tests running?";
//		"tests running?"              -> "client:login" [label=yes];
//		"tests running?"              -> "server:shutdown" [label=no];
//		"client:login"                -> delay_5s [label="login ok"];
//		delay_5s                      -> "http:transport-keep-running";
	}

//	}
	// start_server -> "server_running?";
	// "server_running?" -> set_available [label="no"];
	// "server_running?" -> delay_2s [label="yes"];
	// delay_2s -> "still_running?";
	// "still_running?" -> ping_server [label=yes];
	// "still_running?" -> set_available [label=no];
	// ping_server -> exit [label=alive];
	// ping_server -> remove_server_record [label=dead];
	// remove_server_record -> set_available;
	// set_available -> avail_delay [label="delay 3s"];
	// avail_delay -> "first_in_queue?";
	// 
	// "first_in_queue?" -> set_running [label=yes];
	// set_running -> get_next_port -> handle_requests;
	// "first_in_queue?" -> "dead_entry_in_queue?" [label=no];
	// "dead_entry_in_queue?" -> "server_running?" [label=no];
	// "dead_entry_in_queue?" -> "remove_dead_entries" [label=yes];
	// remove_dead_entries -> "server_running?";
	// 
	// handle_requests -> start_shutdown [label="no traffic\nno running tests"];
	// handle_requests -> shutdown_request;
	// start_shutdown -> shutdown_delay;
	// shutdown_request -> shutdown_delay;
	// shutdown_delay -> exit;
	
        label = "server:launch";
        color=brown;
//
//	// start_server -> "server_running?";
//	// "server_running?" -> set_available [label="no"];
//	// "server_running?" -> delay_2s [label="yes"];
//	// delay_2s -> "still_running?";
//	// "still_running?" -> ping_server [label=yes];
//	// "still_running?" -> set_available [label=no];
//	// ping_server -> exit [label=alive];
//	// ping_server -> remove_server_record [label=dead];
//	// remove_server_record -> set_available;
//	// set_available -> avail_delay [label="delay 3s"];
//	// avail_delay -> "first_in_queue?";
//	// 
//	// "first_in_queue?" -> set_running [label=yes];
//	// set_running -> get_next_port -> handle_requests;
//	// "first_in_queue?" -> "dead_entry_in_queue?" [label=no];
//	// "dead_entry_in_queue?" -> "server_running?" [label=no];
//	// "dead_entry_in_queue?" -> "remove_dead_entries" [label=yes];
//	// remove_dead_entries -> "server_running?";
//	// 
//	// handle_requests -> start_shutdown [label="no traffic\nno running tests"];
//	// handle_requests -> shutdown_request;
//	// start_shutdown -> shutdown_delay;
//	// shutdown_request -> shutdown_delay;
//	// shutdown_delay -> exit;
//	
//        label = "server:launch";
//        color=brown;
    }

//     client_start_server -> start_server;
//     handle_requests -> read_write;
//     read_write -> handle_requests;
}

  (let* ((start-time (current-seconds))
	 (am-server  (args:get-arg "-server"))
	 (dbfile     (args:get-arg "-db"))
	 (apath      *toppath*))
    (let loop ()
      (thread-sleep! 5) ;; add control / setting for this
      (if am-server
	  (if (not  *dbstruct-db*)
	  (if (not  *dbstruct-db*) ;; skip syncing until db is setup
	      (loop)
	      (begin
		;; (debug:print-info 0 *default-log-port* "syncing "apath" "dbfile" at "(current-seconds))
	      (db:sync-inmem->disk *dbstruct-db* *toppath* dbfile))))))
		;; (db:sync-inmem->disk *dbstruct-db* apath dbfile)
		(loop)))))))
  
;; 
;; (let ((dbstruct 
;; 	    (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")

(include "env.scm")
(include "diff-report.scm")
(include "ods.scm")

(define *usage-log-file* #f)    ;; put path to file for logging usage in this var in the ~/.megatestrc file
(define *usage-use-seconds* #t) ;; for Epoc seconds in usage logging change this to #t in ~/.megatestrc file

     ;;======================================================================
     ;; Test commands (i.e. for use inside tests)
     ;;======================================================================
     
     (define (megatest:step step state status logfile msg)
       (if (not (getenv "MT_CMDINFO"))
           (begin
;;======================================================================
;; Test commands (i.e. for use inside tests)
;;======================================================================

(define (megatest:step step state status logfile msg)
  (if (not (getenv "MT_CMDINFO"))
      (begin
     	(debug:print-error 0 *default-log-port* "MT_CMDINFO env var not set, -step must be called *inside* a megatest invoked environment!")
     	(exit 5))
           (let* ((cmdinfo   (common:read-encoded-string (getenv "MT_CMDINFO")))
      (let* ((cmdinfo   (common:read-encoded-string (getenv "MT_CMDINFO")))
     	     (transport (assoc/default 'transport cmdinfo))
     	     (testpath  (assoc/default 'testpath  cmdinfo))
     	     (test-name (assoc/default 'test-name cmdinfo))
     	     (runscript (assoc/default 'runscript cmdinfo))
     	     (db-host   (assoc/default 'db-host   cmdinfo))
     	     (run-id    (assoc/default 'run-id    cmdinfo))
     	     (test-id   (assoc/default 'test-id   cmdinfo))

     	    (let ((comment (launch:load-logpro-dat run-id test-id step)))
     	      ;; (rmt:test-set-log! run-id test-id (conc stepname ".html"))))
     	      (rmt:teststep-set-status! run-id test-id step state status (or comment msg) logfile))
     	    (begin
     	      (debug:print-error 0 *default-log-port* "You must specify :state and :status with every call to -step")
     	      (exit 6))))))

     ;;======================================================================
     ;; full run
     ;;======================================================================
     
     (define (handle-run-requests target runname keys keyvals need-clean)	 
       (if (or (args:get-arg "-kill-rerun") (args:get-arg "-rerun-clean")) ;; first set states/statuses correct
           ;; For rerun-clean do we or do we not support the testpatt?
           (let ((states   (or (configf:lookup *configdat* "validvalues" "cleanrerun-states")
;;======================================================================
;; full run
;;======================================================================

(define (handle-run-requests target runname keys keyvals need-clean)	 
  (if (or (args:get-arg "-kill-rerun") (args:get-arg "-rerun-clean")) ;; first set states/statuses correct
      ;; For rerun-clean do we or do we not support the testpatt?
      (let ((states   (or (configf:lookup *configdat* "validvalues" "cleanrerun-states")
     			  "KILLREQ,KILLED,UNKNOWN,INCOMPLETE,STUCK,NOT_STARTED"))
     	    (statuses (or (configf:lookup *configdat* "validvalues" "cleanrerun-statuses")
     			  "FAIL,INCOMPLETE,ABORT,CHECK,DEAD,PREQ_FAIL,PREQ_DISCARDED")))
     	(hash-table-set! args:arg-hash "-preclean" #t)
     	(runs:operate-on 'set-state-status
     			 target
     			 (common:args-get-runname)  ;; (or (args:get-arg "-runname")(args:get-arg ":runname"))

     			 target
     			 (common:args-get-runname)  ;; (or (args:get-arg "-runname")(args:get-arg ":runname"))
     			 ;; "%" ;; (common:args-get-testpatt #f) ;; (args:get-arg "-testpatt")
     			 (common:args-get-testpatt #f) ;; (args:get-arg "-testpatt")
     			 ;; state:  states
     			 status: statuses
     			 new-state-status: "NOT_STARTED,n/a")))
       ;; RERUN ALL
       (if (args:get-arg "-rerun-all") ;; first set states/statuses correct
           (let* ((rconfig (full-runconfigs-read)))
  ;; RERUN ALL
  (if (args:get-arg "-rerun-all") ;; first set states/statuses correct
      (let* ((rconfig (full-runconfigs-read)))
     	(hash-table-set! args:arg-hash "-preclean" #t)
     	(runs:operate-on 'set-state-status
     			 target
     			 (common:args-get-runname)  ;; (or (args:get-arg "-runname")(args:get-arg ":runname"))
     			 (common:args-get-testpatt rconfig) ;; (args:get-arg "-testpatt")
     			 state:  #f
     			 ;; status: statuses
     			 new-state-status: "NOT_STARTED,n/a")
     	(runs:clean-cache target runname *toppath*)
     	(runs:operate-on 'set-state-status
     			 target
     			 (common:args-get-runname)  ;; (or (args:get-arg "-runname")(args:get-arg ":runname"))
     			 (common:args-get-testpatt rconfig) ;; (args:get-arg "-testpatt")
     			 ;; state:  states
     			 status: #f
     			 new-state-status: "NOT_STARTED,n/a")))
       (let* ((config-reruns      (let ((x (configf:lookup *configdat* "setup" "reruns")))
  (let* ((config-reruns      (let ((x (configf:lookup *configdat* "setup" "reruns")))
     			       (if x (string->number x) #f)))
     	 (rerun-cnt (if config-reruns
     			config-reruns
     			1)))
     
         (runs:run-tests target
    
    (runs:run-tests target
     		    runname
     		    #f ;; (common:args-get-testpatt #f)
     		    ;; (or (args:get-arg "-testpatt")
     		    ;;     "%")
     		    (bdat-user *bdat*)
     		    args:arg-hash
     		    run-count: rerun-cnt)))

     ;; csv processing record
     (define (make-refdb:csv)
       (vector 
        (make-sparse-array)
        (make-hash-table)
        (make-hash-table)
        0
        0))
     (define-inline (refdb:csv-get-svec     vec)    (vector-ref  vec 0))
     (define-inline (refdb:csv-get-rows     vec)    (vector-ref  vec 1))
     (define-inline (refdb:csv-get-cols     vec)    (vector-ref  vec 2))
     (define-inline (refdb:csv-get-maxrow   vec)    (vector-ref  vec 3))
     (define-inline (refdb:csv-get-maxcol   vec)    (vector-ref  vec 4))
     (define-inline (refdb:csv-set-svec!    vec val)(vector-set! vec 0 val))
     (define-inline (refdb:csv-set-rows!    vec val)(vector-set! vec 1 val))
     (define-inline (refdb:csv-set-cols!    vec val)(vector-set! vec 2 val))
     (define-inline (refdb:csv-set-maxrow!  vec val)(vector-set! vec 3 val))
     (define-inline (refdb:csv-set-maxcol!  vec val)(vector-set! vec 4 val))
     
     (define (get-dat results sheetname)
       (or (hash-table-ref/default results sheetname #f)
           (let ((tmp-vec  (make-refdb:csv)))
;; csv processing record
(define (make-refdb:csv)
  (vector 
   (make-sparse-array)
   (make-hash-table)
   (make-hash-table)
   0
   0))
(define-inline (refdb:csv-get-svec     vec)    (vector-ref  vec 0))
(define-inline (refdb:csv-get-rows     vec)    (vector-ref  vec 1))
(define-inline (refdb:csv-get-cols     vec)    (vector-ref  vec 2))
(define-inline (refdb:csv-get-maxrow   vec)    (vector-ref  vec 3))
(define-inline (refdb:csv-get-maxcol   vec)    (vector-ref  vec 4))
(define-inline (refdb:csv-set-svec!    vec val)(vector-set! vec 0 val))
(define-inline (refdb:csv-set-rows!    vec val)(vector-set! vec 1 val))
(define-inline (refdb:csv-set-cols!    vec val)(vector-set! vec 2 val))
(define-inline (refdb:csv-set-maxrow!  vec val)(vector-set! vec 3 val))
(define-inline (refdb:csv-set-maxcol!  vec val)(vector-set! vec 4 val))

(define (get-dat results sheetname)
  (or (hash-table-ref/default results sheetname #f)
      (let ((tmp-vec  (make-refdb:csv)))
     	(hash-table-set! results sheetname tmp-vec)
     	tmp-vec)))
     
     ;; bracket open-output-file with code to make leading directory if it does not exist and handle exceptions
     (define (open-logfile logpath-in)
       (condition-case
        (let* ((log-dir (or (pathname-directory logpath-in) "."))

;; bracket open-output-file with code to make leading directory if it does not exist and handle exceptions
(define (open-logfile logpath-in)
  (condition-case
   (let* ((log-dir (or (pathname-directory logpath-in) "."))
     	  (fname   (pathname-strip-directory logpath-in))
     	  (logpath (if (> (string-length fname) 250)
     		       (let ((newlogf (conc log-dir "/" (common:get-signature fname) ".log")))
     			 (debug:print 0 *default-log-port* "WARNING: log file " logpath-in " path too long, converted to " newlogf)
     			 newlogf)
     		       logpath-in)))
          (if (not (directory-exists? log-dir))
              (system (conc "mkdir -p " log-dir)))
          (open-output-file logpath))
        (exn ()
             (debug:print-error 0 *default-log-port* "Could not open log file for write: "logpath-in)
             (define *didsomething* #t)  
             (exit 1))))
     (if (not (directory-exists? log-dir))
	 (system (conc "mkdir -p " log-dir)))
     (open-output-file logpath))
   (exn ()
	(debug:print-error 0 *default-log-port* "Could not open log file for write: "logpath-in)
	(define *didsomething* #t)  
	(exit 1))))

(define (debug:setup)
  (let ((debugstr (or (args:get-arg "-debug")
      		      (args:get-arg "-debug-noprop")
      		      (getenv "MT_DEBUG_MODE"))))
    (set! *verbosity* (debug:calc-verbosity debugstr 'q))
    (debug:check-verbosity *verbosity* debugstr)

     	#f)
      #t))

;; Disabled help items
;;  -rollup                 : (currently disabled) fill run (set by :runname)  with latest test(s)
;;                            from prior runs with same keys
;;  -daemonize              : fork into background and disconnect from stdin/out
     

(define help (conc "
Megatest, documentation at http://www.kiatoa.com/fossils/megatest
  version " megatest-version "
  license GPL, Copyright Matt Welland 2006-2017
 
Usage: megatest [options]
  -h                      : this help

     ;; immediately set MT_TARGET if -reqtarg or -target are available
     ;;
     (let ((targ (or (args:get-arg "-reqtarg")(args:get-arg "-target"))))
       (if targ (setenv "MT_TARGET" targ)))
     
     ;; The watchdog is to keep an eye on things like db sync etc.
     ;;
(init-watchdog)
;; (init-watchdog)
  
;;      (define (debug:debug-mode n)
;;        (cond
;;         ((and (number? *verbosity*)   ;; number number
;;      	 (number? n))
;;          (<= n *verbosity*))
;;         ((and (list? *verbosity*)     ;; list   number

         (let ((newval (conc (args:get-arg "-testpatt") "/" (args:get-arg "-itempatt"))))
           (debug:print 0 *default-log-port* "WARNING: -itempatt has been deprecated, please use -testpatt testpatt/itempatt method, new testpatt is "newval)
           (hash-table-set! args:arg-hash "-testpatt" newval)
           (hash-table-delete! args:arg-hash "-itempatt")))
     
     (if (args:get-arg "-runtests")
         (debug:print 0 *default-log-port* "WARNING: \"-runtests\" is deprecated. Use \"-run\" with \"-testpatt\" instead"))
     
     (on-exit std-exit-procedure)

     (debug:print 0 *default-log-port* "on-exit disabled. Please re-enable")
     ;; (on-exit std-exit-procedure)
     
     ;;======================================================================
     ;; Misc general calls
     ;;======================================================================

;; TODO: Restore this functionality

	
	directory-utils
	;; http-client
	;; intarweb
	matchable
	md5
	message-digest
	nanomsg
	(prefix base64 base64:)
	(prefix sqlite3 sqlite3:)
	regex
	s11n
	;; spiffy
	;; spiffy-directory-listing
	;; spiffy-request-vars
	srfi-1
	srfi-13
	srfi-18
	srfi-69
	stack
	system-information
	tcp6
	;; tcp6
	typed-records
	uri-common
	z3
       
	apimod
	commonmod
	configfmod

;; info about me as a server
;;
(defstruct servdat
  (host #f)
  (port #f)
  (uuid #f)
  (rep  #f)
  (dbfile #f)
  (api-url #f)
  (api-uri #f)
  (api-req #f)
  (status 'starting)
  (trynum 0) ;; count the number of ports we've tried
  ) 

		#t)
	      (start-main-srv)))
	(start-main-srv))))

;; NB// remote is a rmt:remote struct
;;
(define (rmt:general-open-connection remote apath dbname #!key (num-tries 5))
  (let ((mdbname (db:run-id->dbname #f)))
  (let* ((mdbname (db:run-id->dbname #f))
	 (mconn   (rmt:get-conn remote apath mdbname)))
    (cond
     ((not (rmt:get-conn remote apath mdbname)) ;; no channel open to main? 
     ((or (not mconn) ;; no channel open to main?
	  (< (rmt:conn-expires mconn)(+ (current-seconds) 2))) ;; restablish connection if less than 2 seconds on the lease
      (rmt:open-main-connection remote apath)
      (thread-sleep! 2)
      (rmt:general-open-connection remote apath mdbname))
     ((not (rmt:get-conn remote apath dbname))                 ;; no channel open to dbname?     
      (let* ((res (rmt:send-receive-real remote apath mdbname 'get-server `(,apath ,dbname))))
	(case res
	  ((server-started)
	   (if (> num-tries 0)
	       (begin
		 (thread-sleep! 2)
		 (rmt:general-open-connection remote apath dbname num-tries: (- num-tries 1)))
	       (begin
		 (debug:print-error 0 *default-log-port* "Failed to start servers needed or open channel to "apath", "dbname)
		 (exit 1))))
	  (else
	   (if (list? res) ;; server has been registered and the info was returned. pass it on.
	       (begin ;;  ("192.168.0.9" 53817
		      ;;  "5e34239f48e8973b3813221e54701a01" "24310"
		      ;;  "192.168.0.9"
		      ;;  "/home/matt/data/megatest/tests/simplerun"
		 ;;  ".db/1.db")
		 (match
	       res
		  res
		  ((host port servkey pid ipaddr apath dbname)
		   (debug:print-info 0 *default-log-port* "got "res)
		   (hash-table-set! (rmt:remote-conns remote)
				    dbname
				    (make-rmt:conn
				     apath: apath
				     dbname: dbname
				     hostport: (conc host":"port)
				     ipaddr: ipaddr
				     port: port
				     srvkey: servkey
				     lastmsg: (current-seconds)
				     expires: (+ (current-seconds) 60))))
		  (else
		   (debug:print-info 0 *default-log-port* "return data from starting server did not match host port servkey pid ipaddr apath dbname " res)))
		 res)
	       (begin
		 (debug:print-info 0 *default-log-port* "Unexpected result: " res)
		 res)))))))))
		 res))))))
     

     )))

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

;; FOR DEBUGGING SET TO #t
(define *localmode* #t)

;; Defaults to current area
;;
(define (rmt:send-receive cmd rid params #!key (attemptnum 1)(area-dat #f))
  (if (not *rmt:remote*)(set! *rmt:remote* (make-rmt:remote)))
  (let* ((apath *toppath*)
	 (conns *rmt:remote*)
	 (dbname (db:run-id->dbname rid)))
    (rmt:general-open-connection conns apath dbname)
    (rmt:send-receive-real conns apath dbname cmd params)))
  (let* ((apath      *toppath*)
	 (conns      *rmt:remote*)
	 (dbname     (db:run-id->dbname rid)))
    (if *localmode*
	(let* ((dbstruct (db:cache-get-dbstruct rid apath))
	       (indat    `((cmd . ,cmd)(params . ,params))))
	  (api:process-request dbstruct indat))
	(begin
	  (rmt:general-open-connection conns apath dbname)
	  (rmt:send-receive-real conns apath dbname cmd params)))))

#;(define (rmt:send-receive-setup conn)
  (if (not (rmt:conn-inport conn))
      (let-values (((i o) (tcp-connect (rmt:conn-ipaddr conn)
				       (rmt:conn-port conn))))
	(rmt:conn-inport-set! conn i)
	(rmt:conn-outport-set! conn o))))
  
;; db is at apath/.db/dbname, rid is an intermediary solution and will be removed
;; sometime in the future
;;
(define (rmt:send-receive-real remote apath dbname cmd params)
  (let* ((conn (rmt:get-conn remote apath dbname)))
    (assert conn "FATAL: rmt:send-receive-real called without the needed channels opened")
    (pp (rmt:conn->alist conn))
    (let* ((key     #f)
    ;; (rmt:send-receive-setup conn)
    (let-values (((i o) (tcp-connect (rmt:conn-ipaddr conn)
				     (rmt:conn-port conn))))
	   (host    (rmt:conn-ipaddr conn))
	   (port    (rmt:conn-port   conn))
      (let* ((key     #f)
	     (payload `((cmd    . ,cmd)
			(key    . ,(rmt:conn-srvkey conn))
			(params . ,params)))
	     (res      (begin
	   (payload `((cmd    . ,cmd)
		      (key    . ,(rmt:conn-srvkey conn))
		      (params . ,params)))
	   (res      (open-send-receive-nn (conc host":"port)
			 (write payload o) ;; (rmt:conn-outport conn))
			 (with-input-from-port
			     i ;; (rmt:conn-inport conn)
			   read))))
					   (sexpr->string payload))))
	(close-input-port i)
	(close-output-port o)
	res))))
;;  (if (string? res)
;; 	  (string->sexpr res)
      (string->sexpr res))))
;; 	  res))))



;; db is at apath/.db/dbname, rid is an intermediary solution and will be removed
;; sometime in the future.
;;
;; Purpose - call the main.db server and request a server be started
;; for the given area path and dbname
;;
;; (define (rmt:send-receive-server-start remote apath dbname)
;;   (let* ((conn (rmt:get-conn remote apath dbname)))
;;     (assert conn "FATAL: Unable to connect to db "apath"/"dbname)
;;     #;(let* ((res      (with-input-from-request
;; 		      (rmt:conn->uri conn "api") 
;; 		      `((params . (,apath ,dbname)))
;; 		      read-string)))
;;       (string->sexpr res))))

(define (rmt:print-db-stats)
  (let ((fmtstr "~40a~7-d~9-d~20,2-f")) ;; "~20,2-f"
    (debug:print 18 *default-log-port* "DB Stats\n========")
    (debug:print 18 *default-log-port* "DB Stats, "(seconds->year-week/day-time (current-seconds))"\n=====================")
    (debug:print 18 *default-log-port* (format #f "~40a~8a~10a~10a" "Cmd" "Count" "TotTime" "Avg"))
    (for-each (lambda (cmd)
		(let ((cmd-dat (hash-table-ref *db-stats* cmd)))
		  (debug:print 18 *default-log-port* (format #f fmtstr cmd (vector-ref cmd-dat 0) (vector-ref cmd-dat 1) (/ (vector-ref cmd-dat 1)(vector-ref cmd-dat 0))))))
	      (sort (hash-table-keys *db-stats*)
		    (lambda (a b)
		      (> (vector-ref (hash-table-ref *db-stats* a) 0)

;; Use the special run-id == #f scenario here since there is no run yet
(define (rmt:register-run keyvals runname state status user contour)
  ;; first register in main.db (thus the #f)
  (let* ((run-id (rmt:send-receive 'register-run #f (list keyvals runname state status user contour))))
    ;; now register in the run db itself

    ;; NEED A RECORD INSERT INCLUDING SETTING id
    (rmt:send-receive 'register-run run-id (list keyvals runname state status user contour))
    (rmt:send-receive 'insert-run run-id (list run-id keyvals runname state status user contour))
    
    run-id))
  
(define (rmt:get-run-name-from-id run-id)
  (rmt:send-receive 'get-run-name-from-id run-id (list run-id)))

(define (rmt:delete-run run-id)
  (rmt:send-receive 'delete-run run-id (list run-id)))

(define (common:version-changed?)
  (not (equal? (common:get-last-run-version)
               (common:version-signature))))

(define (common:api-changed?)
  (not (equal? (substring (->string megatest-version) 0 4)
               (substring (conc (common:get-last-run-version)) 0 4))))

(define (rmt:server-shutdown)
  (let ((dbfile   (servdat-dbfile *server-info*)))
    (debug:print-info 0 *default-log-port* "dbfile is "dbfile)
    (if dbfile
	(let* ((am-server  (args:get-arg "-server"))
	       (dbfile     (args:get-arg "-db"))
	       (apath      *toppath*)
	       (dbdat      (db:get-dbdat *dbstruct-db* apath dbfile))
	       (db         (dbr:dbdat-db dbdat))
	       (inmem      (dbr:dbdat-db dbdat))
	       )
	  ;; do a final sync here
	  (debug:print-info 0 *default-log-port* "Doing final sync for "apath" "dbfile" at "(current-seconds))
	  (db:sync-inmem->disk *dbstruct-db* apath dbfile force-sync: #t)
	  ;; let's finalize here
	  (debug:print-info 0 *default-log-port* "Finalizing db and inmem")
	  (sqlite3:finalize! db)
	  (sqlite3:finalize! inmem)
	  (debug:print-info 0 *default-log-port* "Finalizing db and inmem complete")
	  (if am-server
	      (if (string-match ".*/main.db$" dbfile)
		  (let ((pkt-file (conc (get-pkts-dir *toppath*)
					"/" (servdat-uuid *server-info*)
					".pkt")))
		    (debug:print-info 0 *default-log-port* "removing pkt "pkt-file)
		    (delete-file* pkt-file)
		    (debug:print-info 0 *default-log-port* "Releasing lock for "dbfile)
		    (db:with-lock-db (servdat-dbfile *server-info*)
				     (lambda (dbh dbfile)
				       (db:release-lock dbh dbfile))))
		  (let* ((sdat *server-info*) ;; we have a run-id server
			 (host (servdat-host sdat))
			 (port (servdat-port sdat))
			 (uuid (servdat-uuid sdat)))
		    (if (not (string-match ".db/main.db" (args:get-arg "-db")))
			(let* ((res (rmt:deregister-server *rmt:remote* ;; TODO/BUG: why is this requiring *rmt:remote*?
							   *toppath*
							   (servdat-host *server-info*)   ;; iface
							   (servdat-port *server-info*)
							   (servdat-uuid *server-info*)
							   (current-process-id)
							   )))
			  (debug:print-info 0 *default-log-port* "deregistered-server, res="res)))
		    
		    (debug:print-info 0 *default-log-port* "deregistering server "host":"port" with uuid "uuid)
		    )))))))

(define (std-exit-procedure)
  ;;(common:telemetry-log-close)
  (on-exit (lambda () 0))
  ;;(debug:print-info 13 *default-log-port* "std-exit-procedure called; *time-to-exit*="*time-to-exit*)
  (let ((no-hurry  (if (bdat-time-to-exit *bdat*) ;; hurry up
		       #f
		       (begin
			 (bdat-time-to-exit-set! *bdat* #t)
			 #t))))
    (debug:print-info 4 *default-log-port* "starting exit process, finalizing databases.")
    (if (and no-hurry (debug:debug-mode 18))
	(rmt:print-db-stats))
    (let ((th1 (make-thread
    (let ((th1 (make-thread (lambda () ;; thread for cleaning up, give it five seconds
                              (if *server-info*
		(lambda () ;; thread for cleaning up, give it five seconds
		  (let* ((start-time (current-seconds)))
		    (if (and *server-info*
				  (let ((pkt-file (conc (get-pkts-dir *toppath*)
							"/" (servdat-uuid *server-info*)
							".pkt"))
					(dbfile   (servdat-dbfile *server-info*)))
				    (if dbfile
					(begin

			     *unclean-shutdown*)
					  ;; do a final sync here
					  
					(if (string-match ".*/main.db$" dbfile)
					    (begin
					      (debug:print-info 0 *default-log-port* "removing pkt "pkt-file)
			(begin
			  (debug:print-info 0 *default-log-port* "Unclean server exit, calling server-shtudown")
					      (delete-file* pkt-file)
					      (debug:print-info 0 *default-log-port* "Releasing lock for "dbfile)
			  (rmt:server-shutdown)))
		    (debug:print-info 0 *default-log-port* "Shutdown activities completed in "(- (current-seconds) start-time)" seconds"))
					      (db:with-lock-db (servdat-dbfile *server-info*)
							       (lambda (dbh dbfile)
								 (db:release-lock dbh dbfile))))
					    (let* ((sdat *server-info*)) ;; we have a run-id server
					      (rmt:send-receive-real *rmt:remote* *toppath*
								     (db:run-id->dbname #f)
								     'deregister-server
								     `(,(servdat-uuid sdat)
								       ,(current-process-id)
								       ,(servdat-host sdat)   ;; iface
								       ,(servdat-port sdat)))))))))
			      (if *dbstruct-db* (db:close-all *dbstruct-db*)) ;; one second allocated
			      (if (bdat-task-db *bdat*)    ;; TODO: Check that this is correct for task db
				  (let ((db (cdr (bdat-task-db *bdat*))))
				    (if (sqlite3:database? db)
					(begin
					  (sqlite3:interrupt! db)
					  (sqlite3:finalize! db #t)
					  (bdat-task-db-set! *bdat* #f)))))
                              #;(http-client#close-idle-connections!)
                              (if (not (eq? *default-log-port* (current-error-port)))
                                  (close-output-port *default-log-port*))
			      (set! *default-log-port* (current-error-port))) "Cleanup db exit thread"))
		  ;; (if *dbstruct-db* (db:close-all *dbstruct-db*)) ;; one second allocated
		  #;(if (bdat-task-db *bdat*)    ;; TODO: Check that this is correct for task db
		  (let ((db (cdr (bdat-task-db *bdat*))))
		  (if (sqlite3:database? db)
		  (begin
		  (debug:print-info 0 *default-log-port* "Closing down task db "db)
		  (sqlite3:interrupt! db)
		  (sqlite3:finalize! db #t)
		  (bdat-task-db-set! *bdat* #f)))))
		  #;(http-client#close-idle-connections!)
		  (if (not (eq? *default-log-port* (current-error-port)))
		      (close-output-port *default-log-port*))
		  (set! *default-log-port* (current-error-port))) "Cleanup db exit thread"))
	  (th2 (make-thread (lambda ()
			      (debug:print 4 *default-log-port* "Attempting clean exit. Please be patient and wait a few seconds...")
			      (debug:print 4 *default-log-port* "Attempting clean exit. Mode="(if no-hurry "no-hurry" "normal")
					   " Please be patient and wait a few seconds...")
			      (if no-hurry
                                  (begin
                                    (thread-sleep! 5)) ;; give the clean up few seconds to do it's stuff
                                  (begin
      				  (thread-sleep! 2)))
				    (thread-sleep! 2)))
      			      (debug:print 4 *default-log-port* " ... done")
      			      )
			    "clean exit")))
      (thread-start! th1)
      (thread-start! th2)
      (thread-join! th1)
      )

      #f
      (conc "http://" (car hostport) ":" (cadr hostport))))

;;======================================================================
;; S E R V E R
;; ======================================================================

;; NOTE: http-transport:launch is the entry point
;;          -> http-transport:run
;;             -> http-transport:try-start-server -> http-transport:try-start-server (until success)

(define (http-get-function fnkey)
  (hash-table-ref/default *http-functions* fnkey (lambda () "nothing here yet")))

#;(define (rmt:launch-server hostn port)
   (if *server-info*
	(begin
	  (servdat-host-set! *server-info* hostn)
	  (servdat-port-set! *server-info* port)
	  (servdat-status-set! *server-info* 'trying-port)
	  (servdat-trynum-set! *server-info* (+ (servdat-trynum *server-info*) 1)))
	(set! *server-info* (make-servdat host: ipaddrstr port: portnum)))
   (let* ((l        (tcp-listen port))
	 (dbstruct #f))
    (let-values (((i o) (tcp-accept l)))
      ;; (write-line "Hello!" o)
      (let loop ((indat (read i)))
	(let* ((res (api:process-request dbstruct indat)))
	  (case res
	    ((quit)
	     (close-input-port i)
	     (close-output-port o))
	    (else
	     (write res o))))))))

(define (rmt:run hostn)
  ;;  ;; Configurations for server
  ;;  (tcp-buffer-size 2048)
  ;;  (max-connections 2048) 
  (debug:print 2 *default-log-port* "Attempting to start the server ...")
  (let* ((db              #f) ;;        (open-db)) ;; we don't want the server to be opening and closing the db unnecesarily
	 (hostname        (get-host-name))
	 (ipaddrstr       (let ((ipstr (if (string=? "-" hostn)
					   ;; (string-intersperse (map number->string (u8vector->list (hostname->ip hostname))) ".")
					   (server:get-best-guess-address hostname)
					   #f)))
			    (if ipstr ipstr hostn))) ;; hostname))) 
	 (port            (portlogger:open-run-close portlogger:find-port))
	 (link-tree-path  (common:get-linktree))
	 (tmp-area        (common:get-db-tmp-area))
	 ;; (tmp-area        (common:get-db-tmp-area))
	 #;(start-file      (conc tmp-area "/.server-start")))
    (debug:print-info 0 *default-log-port* "portlogger recommended port: " port)
    (if *server-info*
	(begin
	  (servdat-host-set! *server-info* ipaddrstr)
	  (servdat-port-set! *server-info* port)
	  (servdat-status-set! *server-info* 'trying-port)
	  (servdat-trynum-set! *server-info* (+ (servdat-trynum *server-info*) 1)))
	(set! *server-info* (make-servdat host: ipaddrstr port: port)))
    (let* ((l        (rmt:try-start-server ipaddrstr port)))
      (let oloop ()
	(let-values (((i o) (tcp-accept l)))
	  ;; (write-line "Hello!" o)
	  (let loop ((indat (read i)))
	    (if (eof-object? indat)
		(begin
    (let* ((rep (rmt:try-start-server ipaddrstr port)))
      (let loop ((instr (nn-recv rep)))
	(let* ((data   (string->sexpr instr))
	       (res    (case data
			 ((quit) 'quit)
			 (else    (api:process-request *dbstruct-db* data))))
	       (resdat (sexpr->string res)))
	  (if (not (eq? res 'quit))
	      (begin
		  (close-input-port i)
		  (close-output-port o)
		  (oloop))
		(let* ((res (api:process-request *dbstruct-db* indat)))
		  (set! *db-last-access* (current-seconds))
		  (write res o)
		  (loop (read i))))))))
		(set! *db-last-access* (current-seconds))
		(nn-send rep resdat)
		(loop (nn-recv rep)))))))
    (debug:print-info 0 *default-log-port* "After server, should never see this")
    ;; server exit stuff here
    (let* ((portnum (servdat-port *server-info*)))
      (portlogger:open-run-close portlogger:set-port portnum "released")
      (rmt:server-shutdown)
      ;; (bdat-time-to-exit-set! *bdat* #t) ;; tell on-exit to be fast as we've already cleaned up
      (portlogger:open-run-close portlogger:set-port port "released") ;; done in rmt:run
      ;; (debug:print-info 0 *default-log-port* "Max cached queries was    " *max-cache-size*)
      ;; (debug:print-info 0 *default-log-port* "Number of cached writes   " *number-of-writes*)
      ;; (debug:print-info 0 *default-log-port* "Average cached write time "
      ;; 		      (if (eq? *number-of-writes* 0)
      ;; 			  "n/a (no writes)"
      ;; 			  (/ *writes-total-delay*
      ;; 			     *number-of-writes*))
      ;; 		      " ms")
      ;; (debug:print-info 0 *default-log-port* "Number non-cached queries "  *number-non-write-queries*)
      ;; (debug:print-info 0 *default-log-port* "Average non-cached time   "
      ;; 		      (if (eq? *number-non-write-queries* 0)
      ;; 			  "n/a (no queries)"
      ;; 			  (/ *total-non-write-delay* 
      ;; 			     *number-non-write-queries*))
      ;; 		      " ms")
      (debug:print 1 *default-log-port* "INFO: server has been stopped"))))
      
      (db:print-current-query-stats)
      (debug:print-info 0 *default-log-port* "Server shutdown complete. Exiting")
      )))

(define (rmt:try-start-server ipaddrstr portnum)
  (if *server-info*
  (if *server-info* ;; update the server info as we might be trying next port
      (begin
	(servdat-host-set! *server-info* ipaddrstr)
	(servdat-port-set! *server-info* portnum)
	(servdat-status-set! *server-info* 'trying-port)
	(servdat-trynum-set! *server-info* (+ (servdat-trynum *server-info*) 1)))
	(servdat-trynum-set! *server-info*
			     (+ (servdat-trynum *server-info*) 1)))
      (set! *server-info* (make-servdat host: ipaddrstr port: portnum)))
  (debug:print-info 0 *default-log-port* "rmt:try-start-server time="
		    (seconds->time-string (current-seconds))
		    " ipaddrsstr=" ipaddrstr
		    " portnum=" portnum)
  (if (is-port-in-use portnum)
      (begin
	(portlogger:open-run-close portlogger:set-failed portnum)
	(debug:print 0 *default-log-port* "WARNING: failed to start on portnum: " portnum ", trying next port")
	;; (thread-sleep! 0.1)
	(rmt:try-start-server ipaddrstr
			      (portlogger:open-run-close
			       portlogger:find-port)))
      (begin
	(if (not *server-info*)
	    (set! *server-info* (make-servdat
				 host: ipaddrstr
				 port: portnum)))
	(servdat-status-set! *server-info* 'starting)
	(servdat-port-set!   *server-info* portnum)
	(if (not (servdat-rep *server-info*))
	    (servdat-rep-set!    *server-info*  (nn-socket 'rep)))
	(let* ((rep (servdat-rep *server-info*)))
	  (debug:print 0 *default-log-port* "INFO: Trying to start server on " ipaddrstr ":" portnum)
  (handle-exceptions
   exn
   (begin
     (print-error-message exn)
     (if (< portnum 64000)
	 (begin 
	   (debug:print 0 *default-log-port* "WARNING: attempt to start server failed. Trying again ...")
	   (debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
	   (debug:print 5 *default-log-port* "exn=" (condition->list exn))
	   (portlogger:open-run-close portlogger:set-failed portnum)
	   (debug:print 0 *default-log-port* "WARNING: failed to start on portnum: " portnum ", trying next port")
	   ;; (thread-sleep! 0.1)
	   (rmt:try-start-server ipaddrstr
				 (portlogger:open-run-close portlogger:find-port)))
	 (begin
	   (print "ERROR: Tried and tried but could not start the server"))))
	  (handle-exceptions
	   exn
	   (begin
	     (print-error-message exn)
	     (if (< portnum 64000)
		 (begin 
		   (debug:print 0 *default-log-port* "WARNING: attempt to start server failed. Trying again ...")
		   (debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
		   (debug:print 5 *default-log-port* "exn=" (condition->list exn))
		   (portlogger:open-run-close portlogger:set-failed portnum)
		   (debug:print 0 *default-log-port* "WARNING: failed to start on portnum: " portnum ", trying next port")
		   ;; (thread-sleep! 0.1)
		   (rmt:try-start-server ipaddrstr
					 (portlogger:open-run-close portlogger:find-port)))
		 (begin
		   (print "ERROR: Tried and tried but could not start the server, stopping at port "portnum))))
   ;; any error in following steps will result in a retry
   (if *server-info*
       (servdat-status-set! *server-info* 'starting)
       (set! *server-info* (make-servdat host: ipaddrstr port: portnum)))
   
	   (nn-bind rep (conc "tcp://*:" portnum))
   (debug:print 0 *default-log-port* "INFO: Trying to start server on " ipaddrstr ":" portnum)
   (tcp-listen portnum)))
	   rep)))))

;;======================================================================
;; S E R V E R   U T I L I T I E S 
;;======================================================================

;;======================================================================
;; C L I E N T S

	 all-pkt-files)))

(define (server-address srv-pkt)
  (conc (alist-ref 'host srv-pkt) ":"
	(alist-ref 'port srv-pkt)))
	
(define (server-ready? host port key) ;; server-address is host:port
  (let-values (((i o)(handle-exceptions
		      exn
		      (values #f #f)
		      (tcp-connect host port))))
    (if (and i o)
;;  (let-values (((i o)(handle-exceptions
;;		      exn
;;		      (values #f #f)
;;		      (tcp-connect host port))))
;;    (if (and i o)
	(begin
	  (write `((cmd . ping)
		   (key . ,key)
		   (params . ())) o)
	  (let ((res (with-input-from-port i
		       read)))
	    (close-output-port o)
	    (close-input-port i)
	    res))
  (let* ((data (sexpr->string  `((cmd . ping)
				 (key . ,key)
				 (params . ()))))
	 (res  (open-send-receive-nn (conc host ":" port) data)))
    (string->sexpr res)))

;; (let ((res (with-input-from-port i
;; 		       read)))
;; 	    (close-output-port o)
;; 	    (close-input-port i)
;; 	    res))
;; 	    (if (string? res)
;; 		(string->sexpr res)
;; 		res)))
	(begin ;; connection failed
	  (debug:print-info 0 *default-log-port* "Server at "host":"port" is not responding.")
	  #f))))
 	      
;;     (begin ;; connection failed
;; 	  (debug:print-info 0 *default-log-port* "Server at "host":"port" is not responding.")
;; 	  #f))))

;; (define (loop-test host port data) ;; server-address is host:port
;;   ;; ping the server and ask it
;;   ;; if it ready
;;   ;; (let* ((sdat (servdat-init #f host port #f)))
;;   ;;   (http-transport:send-receive sdat "abc" 'ping '())))
;;   (let* ((payload (sexpr->string data))
;; 	 (res     (with-input-from-request

		    (exit))
		  (loop start-time
			(equal? sdat last-sdat)
			sdat))))))))

(define (rmt:register-server remote apath iface port server-key dbname)
  (rmt:open-main-connection remote apath) ;; we need a channel to main.db
  (rmt:send-receive-real remote apath ;; params: host port servkey pid ipaddr dbpath
			 (db:run-id->dbname #f) 'register-server `(,iface
								   ,port
								   ,server-key
								   ,(current-process-id)
								   ,iface
								   ,apath
								   ,dbname)))
  (rmt:send-receive-real remote apath      ;; params: host port servkey pid ipaddr dbpath
			 (db:run-id->dbname #f)
			 'register-server `(,iface
					    ,port
					    ,server-key
					    ,(current-process-id)
					    ,iface
					    ,apath
					    ,dbname)))

(define (rmt:get-count-servers remote apath)
  (rmt:open-main-connection remote apath) ;; we need a channel to main.db
  (rmt:send-receive-real remote apath      ;; params: host port servkey pid ipaddr dbpath
			 (db:run-id->dbname #f)
			 'get-count-servers `(,apath
					      )))

(define (rmt:deregister-server remote apath iface port server-key dbname)
  (rmt:open-main-connection remote apath) ;; we need a channel to main.db
  (rmt:send-receive-real remote apath      ;; params: host port servkey pid ipaddr dbpath
                         (db:run-id->dbname #f)
                         'deregister-server `(,iface
                                              ,port
                                              ,server-key
                                              ,(current-process-id)
                                              ,iface
                                              ,apath
                                              ,dbname)))

(define (http-transport:wait-for-stable-interface #!optional (num-tries-allowed 100))
  ;; wait until *server-info* stops changing
  (let* ((stime (current-seconds)))
    (let loop ((last-host  #f)
	       (last-port  #f)
	       (tries 0))

    ;; main and run db servers have both got wait logic (could/should merge it)
    (if is-main
	(http-transport:wait-for-server pkts-dir dbname server-key)
	(http-transport:wait-for-stable-interface))
    ;; this is our forever loop
    (let* ((iface             (servdat-host *server-info*))
	   (port              (servdat-port *server-info*)))
      (let loop ((count         0)
      (let loop ((count          0)
		 (bad-sync-count 0)
		 (start-time     (current-milliseconds)))
	
	(if (not is-main)
	(if (and (not is-main)
		 (common:low-noise-print 60 "servdat-status"))
	    (debug:print-info 0 *default-log-port* "servdat-status is " (servdat-status *server-info*)))

	;; set up the database handle
	(mutex-lock! *heartbeat-mutex*)
	(if (not *dbstruct-db*) ;; no db opened yet, open the db and register with main if appropriate
	    (let ((watchdog (bdat-watchdog *bdat*)))		 
	      (debug:print 0 *default-log-port* "SERVER: dbprep")

			(begin 
			  (debug:print 0 *default-log-port* "We are not the server for "dbname", exiting.")
			  (exit)))))
	      (debug:print 0 *default-log-port*
			   "SERVER: running, db "dbname" opened, megatest version: "
			   (common:get-full-version))
	      ;; start the watchdog

	      ;; is this really needed?
	      
	      (if watchdog
	      #;(if watchdog
		  (if (not (member (thread-state watchdog)
				   '(ready running blocked
					   sleeping dead)))
		      (begin
			(debug:print-info 0 *default-log-port* "Starting watchdog thread (in state "(thread-state watchdog)")")
			(thread-start! watchdog))
		      (debug:print-info 0 *default-log-port* "Not starting watchdog thread (in state "(thread-state watchdog)")"))
		  (debug:print 0 *default-log-port* "ERROR: *watchdog* not setup, cannot start it."))
	      #;(loop (+ count 1) bad-sync-count start-time)))
	      #;(loop (+ count 1) bad-sync-count start-time)
	      ))

	(debug:print-info 0 *default-log-port* "syncing "*toppath*" "dbname" at "(current-seconds))
	(db:sync-inmem->disk *dbstruct-db* *toppath* dbname force-sync: #t)
	
	(mutex-unlock! *heartbeat-mutex*)
	
	;; when things go wrong we don't want to be doing the various
	;; queries too often so we strive to run this stuff only every
	;; four seconds or so.
	(let* ((sync-time (- (current-milliseconds) start-time))
	       (rem-time  (quotient (- 4000 sync-time) 1000)))

	    (begin
	      (debug:print 0 *default-log-port* "Server stats:")
	      (db:print-current-query-stats)))
	(let* ((hrs-since-start  (/ (- (current-seconds) server-start-time) 3600)))
	  (cond
	   ((and *server-run*
		 (> (+ last-access server-timeout)
		    (current-seconds)))
		    (current-seconds))
		 (if is-main
		     (> (rmt:get-count-servers *rmt:remote* *toppath*) 1)
		     #t))
	    (if (common:low-noise-print 120 "server continuing")
		(debug:print-info 0 *default-log-port* "Server continuing, seconds since last db access: " (- (current-seconds) last-access)))
	    (loop 0 bad-sync-count (current-milliseconds)))
	   (else
	    (set! *unclean-shutdown* #f)
	    (debug:print-info 0 *default-log-port* "Server timed out. seconds since last db access: " (- (current-seconds) last-access))
	    (http-transport:server-shutdown port))))))))

(define (http-transport:server-shutdown port)
  (begin
    ;;(BB> "http-transport:server-shutdown called")
    (debug:print-info 0 *default-log-port* "Starting to shutdown the server. pid="(current-process-id))
	    (debug:print-info 0 *default-log-port* "Starting to shutdown the server. pid="(current-process-id))
    ;;
    ;; start_shutdown
	    (rmt:server-shutdown)
    ;;

    ;; deregister the server

    
    (bdat-time-to-exit-set! *bdat* #t) ;; tell on-exit to be fast as we've already cleaned up
    (portlogger:open-run-close portlogger:set-port port "released")
	    (portlogger:open-run-close portlogger:set-port port "released")
    (thread-sleep! 1)

	    (exit)
    ;; (debug:print-info 0 *default-log-port* "Max cached queries was    " *max-cache-size*)
    ;; (debug:print-info 0 *default-log-port* "Number of cached writes   " *number-of-writes*)
    ;; (debug:print-info 0 *default-log-port* "Average cached write time "
	    #;(debug:print-info 0 *default-log-port* "Sending 'quit to server, received: "
    ;; 		      (if (eq? *number-of-writes* 0)
    ;; 			  "n/a (no writes)"
    ;; 			  (/ *writes-total-delay*
    ;; 			     *number-of-writes*))
    ;; 		      " ms")
    ;; (debug:print-info 0 *default-log-port* "Number non-cached queries "  *number-non-write-queries*)
    ;; (debug:print-info 0 *default-log-port* "Average non-cached time   "
    ;; 		      (if (eq? *number-non-write-queries* 0)
    ;; 			  "n/a (no queries)"
    ;; 			  (/ *total-non-write-delay* 
    ;; 			     *number-non-write-queries*))
    ;; 		      " ms")
    
			      (open-send-receive-nn (conc iface":"port)      ;; do this here and not in server-shutdown
    (db:print-current-query-stats)
    (common:save-pkt `((action . exit)
                       (T      . server)
						    (sexpr->string 'quit)))
                       (pid    . ,(current-process-id)))
                     *configdat* #t)
    (debug:print-info 0 *default-log-port* "Server shutdown complete. Exiting")
    (exit)))
	    )))))))

;; Call this to start the actual server
;;
;; all routes though here end in exit ...
;;
;; This is the point at which servers are started
;;
(define (rmt:server-launch dbname)
  (debug:print-info 0 *default-log-port* "Entered rmt:server-launch")
  (let* ((th2 (make-thread (lambda ()
			     (debug:print-info 0 *default-log-port* "Server run thread started")
			     (rmt:run (if (args:get-arg "-server")
					  (args:get-arg "-server")
					  "-")
				      )) "Server run"))
	 (th3 (make-thread (lambda ()
			     (debug:print-info 0 *default-log-port* "Server monitor thread started")
			     (rmt:keep-running dbname)
			     "Keep running"))))
    (thread-start! th2)
    (thread-sleep! 0.252) ;; give the server time to settle before starting the keep-running monitor.
    (thread-start! th3)
    (set! *didsomething* #t)
    (thread-join! th2)
    (thread-join! th3)
  (exit))

    ;; (exit))
  )
  #f
  )
	    
;; Generate a unique signature for this process, used at both client and
;; server side
(define (rmt:mk-signature)
  (message-digest-string (md5-primitive) 
			 (with-output-to-string
			   (lambda ()
			     (write (list (current-directory)
                                          (current-process-id)
					  (argv)))))))

(define (rmt:get-signature) 
  (if *my-signature* *my-signature*
      (let ((sig (rmt:mk-signature)))
        (set! *my-signature* sig)
        *my-signature*)))

;;======================================================================
;; Nanomsg transport
;;======================================================================

(define (is-port-in-use port-num)
  (let* ((ret #f))
    (let-values (((inp oup pid)
		  (process "netstat" (list  "-tulpn" ))))
      (let loop ((inl (read-line inp)))
        (if (not (eof-object? inl))
            (begin 
	      (if (string-search (regexp (conc ":" port-num)) inl)
		  (begin
					;(print "Output: "  inl)
		    (set! ret  #t))
		  (loop (read-line inp)))))))
    ret))

;;start a server, returns the connection
;;
(define (start-nn-server portnum )
  (let ((rep (nn-socket 'rep)))
    (handle-exceptions
     exn
     (let ((emsg ((condition-property-accessor 'exn 'message) exn)))
       (print "ERROR: Failed to start server \"" emsg "\"")
       (exit 1))
      
     (nn-bind rep (conc "tcp://*:" portnum)))
    rep))

;; open connection to server, send message, close connection
;;
(define (open-send-close-nn host-port msg #!key (timeout 3) ) ;; default timeout is 3 seconds
  (let ((req  (nn-socket 'req))
        (uri  (conc "tcp://" host-port))
        (res  #f)
        ;; (contacts (alist-ref 'contact attrib))
        ;; (mode (alist-ref 'mode attrib))
	) 
    (handle-exceptions
     exn
     (let ((emsg ((condition-property-accessor 'exn 'message) exn)))
       ;; Send notification       
       (debug:print 0 *default-log-port* "ERROR: Failed to connect / send to " uri " message was \"" emsg "\"" )
       #f)
     (nn-connect req uri)
     ;; (print "Connected to the server " )
     (nn-send req msg)
     ;; (print "Request Sent")  
     (let* ((th1  (make-thread (lambda ()
                                 (let ((resp (nn-recv req)))
                                   (nn-close req)
                                   (set! res (if (equal? resp "ok")
                                                 #t
                                                 #f))))
                               "recv thread"))
            (th2 (make-thread (lambda ()
                                (thread-sleep! timeout)
                                (thread-terminate! th1))
			      "timer thread")))
       (thread-start! th1)
       (thread-start! th2)
       (thread-join! th1)
       res))))

(define (open-send-receive-nn host-port msg #!key (timeout 3) ) ;; default timeout is 3 seconds
  (let ((req  (nn-socket 'req))
        (uri  (conc "tcp://" host-port))
        (res  #f)
	;;        (contacts (alist-ref 'contact attrib))
        ;; (mode (alist-ref 'mode attrib))
	) 
    (handle-exceptions
     exn
     (let ((emsg ((condition-property-accessor 'exn 'message) exn)))
       ;; Send notification      
       (debug:print 0 *default-log-port* "ERROR: Failed to connect / send to " uri " message was \"" emsg "\", exn=" exn)
       #f)
     (nn-connect req uri)
     ;; (print "Connected to the server " )
     (nn-send req msg)
     ;; (print "Request Sent")  
     ;; receive code here
     ;;(print (nn-recv req))
     (let* ((th1  (make-thread (lambda ()
                                 (let ((resp (nn-recv req)))
                                   (nn-close req)
                                   (print resp)
                                   (set! res resp)))
                               "recv thread"))
            (th2 (make-thread (lambda ()
                                (thread-sleep! timeout)
                                (thread-terminate! th1))
                             "timer thread")))
       (thread-start! th1)
       (thread-start! th2)
       (thread-join! th1)
       res))))

;;======================================================================
;; S E R V E R   U T I L I T I E S 
;;======================================================================

;; run ping in separate process, safest way in some cases
;;

;;            
(define (runs:run-tests target runname test-patts user flags #!key (run-count 1)) ;; test-names
  (let* ((keys               (keys:config-get-fields *configdat*))
	 (keyvals            (keys:target->keyval keys target))
	 (run-id             (rmt:register-run keyvals runname "new" "n/a" user (args:get-arg "-contour")))  ;;  test-name)))
	 ;; (deferred          '()) ;; delay running these since they have a waiton clause
	 (runconfigf         (conc  *toppath* "/runconfigs.config"))
         (dbfile             (conc  *toppath* "/megatest.db"))
         (dbfile             (conc  *toppath* "/.db/main.db"))
         (readonly-mode      (not (file-writable? dbfile)))
	 (test-records       (make-hash-table))
	 ;; need to process runconfigs before generating these lists
	 (all-tests-registry #f)  ;; (tests:get-all)) ;; (tests:get-valid-tests (make-hash-table) test-search-path)) ;; all valid tests to check waiton names
	 (all-test-names     #f)  ;; (hash-table-keys all-tests-registry))
	 (test-names         #f)  ;; Generated by a call to (tests:filter-test-names all-test-names test-patts))
	 (required-tests     #f)  ;; Put fully qualified test/testpath names in this list to be done

;; (for-each (lambda (tdat)
;; 	    (test #f tdat (loop-test (rmt:conn-ipaddr *main*)
;; 				     (rmt:conn-port *main*) tdat)))
;; 	  (list 'a
;; 		'(a "b" 123 1.23 )))
(test #f #t (rmt:send-receive 'ping #f 'hello))

(define *db* (db:setup #f))
(define *db* (db:setup ".db/main.db"))

;; these let me cut and paste from source easily
(define apath *toppath*)
(define dbname ".db/2.db")
(define remote *rmt:remote*)
(define keyvals  '(("SYSTEM" "a")("RELEASE" "b")))

 ;; db:get-dbdat
 ;; rmt:find-main-server
;;  rmt:send-receive-real
;;  rmt:send-receive
 ;; sexpr->string
 ;; server-ready?
 ;; rmt:register-server
 ;;  rmt:deregister-server
 ;; rmt:open-main-connection
 ;; rmt:general-open-connection
 ;; rmt:get-conny
 ;; rmt:get-conn
 ;; common:watchdog
 ;; rmt:find-main-server
 ;; get-all-server-pkts
 ;; get-viable-servers
 ;; get-best-candidate
 ;; api:run-server-process
 ;; api:process-request
 ;; rmt:run
 ;; rmt:try-start-server
 )

(define *db* (db:setup #f))
(define *db* (db:setup ".db/main.db"))

;; these let me cut and paste from source easily
(define apath *toppath*)
(define dbname ".db/2.db")
(define remote *rmt:remote*)
(define keyvals  '(("SYSTEM" "a")("RELEASE" "b")))

(test #f #t (rmt:open-main-connection remote apath))
(test #f #t (rmt:conn? (rmt:get-conn *rmt:remote* *toppath* ".db/main.db")))
(test #f #t (rmt:conn? (rmt:get-conn *rmt:remote* *toppath* ".db/main.db")))
(test #f 'server-started (rmt:send-receive-real *rmt:remote* *toppath* ".db/main.db" 'get-server `(,apath ,dbname)))

(thread-sleep! 2)
(test #f #t (list? (rmt:general-open-connection *rmt:remote* *toppath* ".db/2.db")))

(test #f '("SYSTEM" "RELEASE") (rmt:get-keys))
(test #f 1 (rmt:send-receive 'register-run #f (list keyvals "run1" "new" "n/a" "justme" #f)))
(print "Got here.")
(test #t 1 (rmt:send-receive 'register-run 1 (list keyvals "run2" "new" "n/a" "justme" #f)))

(test #f 1 (rmt:register-run keyvals "run2" "new" "n/a" "justme" #f))

(test #f 1 (rmt:send-receive 'register-run 1 (list keyvals "run1" "new" "n/a" "justme" #f)))
;; (delete-file* "logs/1.log")
;; (define run-id 1)

;; (test "setup for run" #t (begin (launch:setup)
;;  				(string? (getenv "MT_RUN_AREA_HOME"))))
;; 
;; (test #f #t (and (server:kind-run *toppath*) #t))
;; 
;; 
;; (define user    (current-user-name))
;; (define runname "mytestrun")
;; (define keys    (rmt:get-keys))
;; (define runinfo #f)
;; (define keyvals '(("SYSTEM" "abc")("RELEASE" "def")))
;; (define header  (list "SYSTEM" "RELEASE" "id" "runname" "state" "status" "owner" "event_time"))
;; 
;; ;; Setup
;; ;;
;; ;; (test #f #f  (not (client:setup run-id)))
;; ;; (test #f #f  (not (hash-table-ref/default *runremote* run-id #f)))
;; 
;; ;; Login
;; ;;
;; (test #f'(#t "successful login")
;;       (rmt:login run-id))
;; 
;; ;; Keys
;; ;;
;; (test #f '("SYSTEM" "RELEASE")  (rmt:get-keys))
;; 
;; ;; No data in db
;; ;;
;; (test #f '() (rmt:get-all-run-ids))
;; (test #f #f  (rmt:get-run-name-from-id run-id))
;; (test #f 
;;       (vector
;;        header
;;        (vector #f #f #f #f))
;;       (rmt:get-run-info run-id))
;; 
;; ;; Insert data into db
;; ;;
;; (test #f 1 (rmt:register-run keyvals runname "new" "n/a" user))
(test #f 2 (rmt:register-run keyvals "run2" "new" "n/a" "justme" #f))
;; ;; (test #f #f (rmt:get-runs-by-patt keys runname))
;; (test #f #t (rmt:general-call 'register-test run-id run-id "test-one" ""))
;; (define test-one-id #f)
;; (test #f 1  (let ((test-id (rmt:get-test-id run-id "test-one" "")))
;; 	      (set! test-one-id test-id)
;; 	      test-id))
;; (define test-one-rec #f)
;; (test #f "test-one" (let ((test-rec (rmt:get-test-info-by-id run-id test-one-id)))
;; 		      (set! test-one-rec test-rec)
;; 		      (vector-ref test-rec 2)))
;; 
;; ;; With data in db
;; ;;
;; (print "Using runame=" runname)
;; (test #f '(1)    (rmt:get-all-run-ids))
;; (test #f runname (rmt:get-run-name-from-id run-id))
;; (test #f 
;; (test #f 2 (rmt:deregister-server *rmt:remote* *toppath* iface port server-key dbname
;;       runname
;;       (let ((run-info (rmt:get-run-info run-id)))
;; 	(db:get-value-by-header (db:get-rows run-info)
;; 				(db:get-header run-info)
;; 				"runname")))
;; 
;; ;; test killing server
;; ;;
;; (for-each
;;  (lambda (run-id)
;;    (test #f #t (and (tasks:kill-server-run-id run-id) #t))
;;    (test #f #f (tasks:server-running-or-starting? (db:delay-if-busy (tasks:open-db)) run-id)))
;;  (list 0 1))
;; 
;; ;; Tests to assess reading/writing while servers are starting/stopping
;; ;; NO LONGER APPLICABLE
;; 
;; ;; Server tests go here
;; (define (server-tests-dont-run-right-now)
;; (for-each
;;  (lambda (run-id)
;;    (test #f #f (tasks:server-running-or-starting? (db:delay-if-busy (tasks:open-db)) run-id))
;;    (server:kind-run run-id)
;;    (test "did server start within 20 seconds?"
;; 	 #t
;; 	 (let loop ((remtries 20)
;; 		    (running (tasks:server-running-or-starting? (db:delay-if-busy
;; 								 (tasks:open-db))
;; 								run-id)))
;; 	   (if running 
;; 	       (> running 0)
;; 	       (if (> remtries 0)
;; 		   (begin
;; 		     (thread-sleep! 1)
;; 		     (loop (- remtries 1)
;; 			   (tasks:server-running-or-starting? (db:delay-if-busy
;; 							       (tasks:open-db))
;; 							      run-id)))))))
;;    
;;    (test "did server become available" #t
;; 	 (let loop ((remtries 10)
;; 		    (res      (tasks:get-server (db:delay-if-busy (tasks:open-db)) run-id)))
;; 	   (if res
;; 	       (vector? res)
;; 	       (begin
;; 		 (if (> remtries 0)
;; 		     (begin
;; 		       (thread-sleep! 1.1)
;; 		       (loop (- remtries 1)(tasks:get-server (db:delay-if-busy (tasks:open-db)) run-id)))
;; 		     res)))))
;;    )
;;  (list 0 1)))
;; 
;; (define start-time (current-seconds))
;; (define (reading-writing-while-server-starting-stopping-dont-run-now)
;; (let loop ((test-state 'start))
;;   (let* ((server-dats (tasks:get-server-records (db:delay-if-busy (tasks:open-db)) run-id))
;; 	 (first-dat   (if (not (null? server-dats))
;; 			  (car server-dats)
;; 			  #f)))
;;     (map (lambda (dat)
;; 	   (apply print (intersperse (vector->list dat) ", ")))
;; 	 server-dats)
;;     (test #f test-one-rec (rmt:get-test-info-by-id run-id test-one-id))
;;     (thread-sleep! 1)
;;     (case test-state
;;       ((start)
;;        (print "Trying to start server")
;;        (server:kind-run run-id)
;;        (loop 'server-started))
;;       ((server-started)
;;        (case (if first-dat (vector-ref first-dat 0) 'blah)
;; 	 ((running)
;; 	  (print "Server appears to be running. Now ask it to shutdown")
;; 	  (rmt:kill-server run-id)
;; 	  (loop 'server-shutdown))
;; 	 ((shutting-down)
;; 	  (loop test-state))
;; 	 (else (print "Don't know what to do if get here"))))
;;       ((server-shutdown)
;;        (loop test-state)))))
;; )

;;======================================================================
;; END OF TESTS
;;======================================================================

(test #f 2 (rmt:get-count-servers *rmt:remote* *toppath*))

;; (test #f #f (client:setup run-id))

;; (set! *transport-type* 'http)
;; 
;; (test "setup for run" #t (begin (launch:setup-for-run)
;; 				(string? (getenv "MT_RUN_AREA_HOME"))))
;; 
;; (test "server-register, get-best-server" #t (let ((res #f))
;; 					      (open-run-close tasks:server-register tasks:open-db 1 "bob" 1234 100 'live 'http)
;; 					      (set! res (open-run-close tasks:get-best-server tasks:open-db))
;; 					      (number? (vector-ref res 3))))
;; 
;; (test "de-register server" #f (let ((res #f))
;; 				(open-run-close tasks:server-deregister tasks:open-db "bob" port: 1234)
;; 				(vector? (open-run-close tasks:get-best-server tasks:open-db))))
;; 
;; (define server-pid #f)
;; 
;; ;; Not sure how the following should work, replacing it with system of megatest -server
;; ;; (test "launch server" #t (let ((pid (process-fork (lambda ()
;; ;; 						    ;; (daemon:ize)
;; ;; 						    (server:launch 'http)))))
;; ;; 			   (set! server-pid pid)
;; ;; 			   (number? pid)))
;; (system "../../bin/megatest -server - -debugbcom 22 > server.log 2> server.log &")
;; 
;; (let loop ((n 10))
;;   (thread-sleep! 1) ;; need to wait for server to start.
;;   (let ((res (open-run-close tasks:get-best-server tasks:open-db)))
;;     (print "tasks:get-best-server returned " res)
;;     (if (and (not res)
;; 	     (> n 0))
;; 	(loop (- n 1)))))
;; 
;; (test "get-best-server" #t (begin 
;; 			     (client:launch)
;; 			     (let ((dat (open-run-close tasks:get-best-server tasks:open-db)))
;; 			       (vector? dat))))
;; 
;; (define *keys*               (keys:config-get-fields *configdat*))
;; (define *keyvals*            (keys:target->keyval *keys* "a/b/c"))
;; 
;; (test #f #t                       (string? (car *runremote*)))
;; (test #f '(#t "successful login") (rmt:login)) ;;  *runremote* *toppath* *my-client-signature*)))
;; 
;; (test #f #f                       (rmt:get-test-info-by-id 99)) ;; get non-existant test
;; 
;; ;; RUNS
;; (test #f 1                        (rmt:register-run  *keyvals* "firstrun" "new" "n/a" (current-user-name)))
;; (test "get run info"  "firstrun"  (let ((rinfo (rmt:get-run-info 1)))
;; 				    (vector-ref (vector-ref rinfo 1) 3)))
;; (test "get runname from id" "firstrun" (rmt:get-run-name-from-id 1))
(test #f "run2" (rmt:get-run-name-from-id 2))
;; 
;; ;; TESTS
;; (test "get tests (no data)" '()   (rmt:get-tests-for-run 1 "%" '() '() #f #f #f #f #f #f))
;; (test "register test"       #t    (rmt:general-call 'register-test 1 "test1" ""))
;; (test "get tests (some data)"  1  (length (rmt:get-tests-for-run 1 "%" '() '() #f #f #f #f #f #f)))
;; (test "get test id"            1  (rmt:get-test-id 1 "test1" ""))
;; (test "sync back"              #t (> (rmt:sync-inmem->db) 0))
;; (test "get test id from main"  1  (db:get-test-id *db* 1 "test1" ""))
;; (test "get keys"               #t (list? (rmt:get-keys)))
;; (test "set comment"            #t (begin (rmt:general-call 'set-test-comment "this is a comment" 1) #t))
;; (test "get comment" "this is a comment" (let ((trec (rmt:get-test-info-by-id 1)))
;; 					  (db:test-get-comment trec)))
;; 
;; ;; MORE RUNS
;; (test "get runs"  #t (let* ((runs   (rmt:get-runs "%" #f #f '()))
;; 			    (header (vector-ref runs 0))
;; 			    (data   (vector-ref runs 1)))
;; 		       (and (list?   header)
;; 			    (list?   data)
;; 			    (vector? (car data)))))
;; 
;; (test "get local testinfo" "test1" (vector-ref (db:get-testinfo-state-status *db* 1) 2))
;; (test "get testinfo"       "test1" (vector-ref (rmt:get-testinfo-state-status 1) 2))
;; 
;; ;;======================================================================
;; ;; D B
;; ;;======================================================================
;; 
;; (test "pass fail counts" #t (rmt:general-call 'pass-fail-counts 10 9 1))
;; (test "get pass fail counts" 19 (let ((dat (rmt:get-test-info-by-id 1)))
;; 				  (+ (db:test-get-pass_count dat)
;; 				     (db:test-get-fail_count dat))))
;; 
;; (define testregistry (make-hash-table))
;; (for-each
;;  (lambda (tname)
;;    (for-each
;;     (lambda (itempath)
;;       (let ((tkey  (conc tname "/" itempath))
;; 	    (rpass (random 10))
;; 	    (rfail (random 10)))
;; 	(hash-table-set! testregistry tkey (list tname itempath))
;; 	(rmt:general-call 'register-test 1 tname itempath)
;; 	(let* ((tid  (rmt:get-test-id 1 tname itempath))
;; 	       (tdat (rmt:get-test-info-by-id tid)))
;; 	  (rmt:general-call 'pass-fail-counts rpass rfail (db:test-get-id tdat))
;; 	  (let* ((resdat (rmt:get-test-info-by-id tid)))
;; 	    (test "set/get pass fail counts" (list rpass rfail)
;; 		  (list (db:test-get-pass_count resdat)
;; 			(db:test-get-fail_count resdat)))))))
;;     (list "" "a" "b" "c" "d" "e" "f" "g" "h" "i" "j")))
;;  (list "test1" "test2" "test3" "test4" "test5"))
;; 
;; 
;; (test #f '(#t "exit process started") (rmt:kill-server)) ;; *toppath* *my-client-signature* #f)))
;; 

;; (exit)


;; all old stuff below




(delete-file* "logs/1.log")
(define run-id 1)

(test "setup for run" #t (begin (launch:setup-for-run)
 				(string? (getenv "MT_RUN_AREA_HOME"))))

;; Insert data into db
;;
(define user    (current-user-name))
(define runname "mytestrun")
(define keys    (rmt:get-keys))
(define runinfo #f)
(define keyvals '(("SYSTEM" "abc")("RELEASE" "def")))
(define header  (list "SYSTEM" "RELEASE" "id" "runname" "state" "status" "owner" "event_time"))

(test #f 1 (rmt:register-run keyvals runname "new" "n/a" user))
;; (test #f #f (rmt:get-runs-by-patt keys runname))
(test #f #t (rmt:general-call 'register-test run-id run-id "test-one" ""))
(define test-one-id #f)
(test #f 30001  (let ((test-id (rmt:get-test-id run-id "test-one" "")))
	      (set! test-one-id test-id)
	      test-id))
(define test-one-rec #f)
(test #f "test-one" (let ((test-rec (rmt:get-test-info-by-id run-id test-one-id)))
		      (set! test-one-rec test-rec)
		      (vector-ref test-rec 2)))

(use trace)
(import trace)
;; (trace
;;  rmt:send-receive
;;  rmt:open-qry-close-locally
;; )

;; Tests to assess reading/writing while servers are starting/stopping
(define start-time (current-seconds))
(let loop ((test-state 'start))
  (let* ((server-dats (tasks:get-server-records (db:delay-if-busy (tasks:open-db)) run-id))
	 (first-dat   (if (not (null? server-dats))
			  (car server-dats)
			  #f))
	 (server-state (or (and first-dat (string->symbol (vector-ref first-dat 8))) 'no-dat)))
    (if first-dat
	(map (lambda (dat)
	       (apply print (intersperse (vector->list dat) ", ")))
	     server-dats)
	(print "No server"))
    (test #f test-one-rec (rmt:get-test-info-by-id run-id test-one-id))
    (thread-sleep! 1)
    (case test-state
      ((start)
       (print "Trying to start server")
       (server:kind-run run-id)
       (loop 'server-started))
      ((server-started)
       (case server-state 
	 ((running)
	  (print "Server appears to be running. Now ask it to shutdown")
	  (rmt:kill-server run-id)
	  ;; (trace rmt:open-qry-close-locally rmt:send-receive)
	  (loop 'shutdown-started))
	 ((available)
	  (loop test-state))
	 ((shutting-down)
	  (loop test-state))
	 ((no-dat)
	  (loop test-state))
	 (else (print "Don't know what to do if get here"))))
      ((shutdown-started)
       (case server-state 
	 ((no-dat)
	  (print "Server appears to have shutdown, ending this test"))
	 (else
	  (loop test-state)))))))

(exit)	 
       
;; (set! *transport-type* 'http)
;; 
;; (test "setup for run" #t (begin (setup-for-run)
;; 				(string? (getenv "MT_RUN_AREA_HOME"))))
;; 
;; (test "server-register, get-best-server" #t (let ((res #f))
;; 					      (open-run-close tasks:server-register tasks:open-db 1 "bob" 1234 100 'live 'http)
;; 					      (set! res (open-run-close tasks:get-best-server tasks:open-db))
;; 					      (number? (vector-ref res 3))))
;; 
;; (test "de-register server" #f (let ((res #f))
;; 				(open-run-close tasks:server-deregister tasks:open-db "bob" port: 1234)
;; 				(vector? (open-run-close tasks:get-best-server tasks:open-db))))
;; 
;; (define server-pid #f)
;; 
;; ;; Not sure how the following should work, replacing it with system of megatest -server
;; ;; (test "launch server" #t (let ((pid (process-fork (lambda ()
;; ;; 						    ;; (daemon:ize)
;; ;; 						    (server:launch 'http)))))
;; ;; 			   (set! server-pid pid)
;; ;; 			   (number? pid)))
;; (system "../../bin/megatest -server - -debug 22 > server.log 2> server.log &")
;; 
;; (let loop ((n 10))
;;   (thread-sleep! 1) ;; need to wait for server to start.
;;   (let ((res (open-run-close tasks:get-best-server tasks:open-db)))
;;     (print "tasks:get-best-server returned " res)
;;     (if (and (not res)
;; 	     (> n 0))
;; 	(loop (- n 1)))))
;; 
;; (test "get-best-server" #t (begin 
;; 			     (client:launch)
;; 			     (let ((dat (open-run-close tasks:get-best-server tasks:open-db)))
;; 			       (vector? dat))))
;; 
;; (define *keys*               (keys:config-get-fields *configdat*))
;; (define *keyvals*            (keys:target->keyval *keys* "a/b/c"))
;; 
;; (test #f #t                       (string? (car *runremote*)))
;; (test #f '(#t "successful login") (rmt:login)) ;;  *runremote* *toppath* *my-client-signature*)))
;; 
;; (test #f #f                       (rmt:get-test-info-by-id 1 99)) ;; get non-existant test
;; 
;; ;; RUNS
;; (test #f 1                        (rmt:register-run  *keyvals* "firstrun" "new" "n/a" (current-user-name)))
;; (test "get run info"  "firstrun"  (let ((rinfo (rmt:get-run-info 1)))
;; 				    (vector-ref (vector-ref rinfo 1) 3)))
;; (test "get runname from id" "firstrun" (rmt:get-run-name-from-id 1))
;; 
;; ;; TESTS
;; (test "get tests (no data)" '()   (rmt:get-tests-for-run 1 "%" '() '() #f #f #f #f #f #f))
;; (test "register test"       #t    (rmt:general-call 'register-test 1 1 "test1" ""))
;; (test "get tests (some data)"  1  (length (rmt:get-tests-for-run 1 "%" '() '() #f #f #f #f #f #f)))
;; (test "get test id"            1  (rmt:get-test-id 1 "test1" ""))
;; 
;; (test "sync back"              #t (> (rmt:sync-inmem->db) 0))
;; (test "get test id from main"  1  (db:get-test-id *db* 1 "test1" ""))
;; 
;; (test "get keys"               #t (list? (rmt:get-keys)))
;; (test "set comment"            #t (begin (rmt:general-call 'set-test-comment 1 "this is a comment" 1) #t))
;; (test "get comment" "this is a comment" (let ((trec (rmt:get-test-info-by-id 1 1)))
;; 					  (db:test-get-comment trec)))
;; 
;; ;; MORE RUNS
;; (test "get runs"  #t (let* ((runs   (rmt:get-runs "%" #f #f '()))
;; 			    (header (vector-ref runs 0))
;; 			    (data   (vector-ref runs 1)))
;; 		       (and (list?   header)
;; 			    (list?   data)
;; 			    (vector? (car data)))))
;; 
;; (test "get local testinfo" "test1" (vector-ref (db:get-testinfo-state-status *db* 1 1) 2))
;; (test "get testinfo"       "test1" (vector-ref (rmt:get-testinfo-state-status 1 1) 2))
;; 
;; ;;======================================================================
;; ;; D B
;; ;;======================================================================
;; 
;; (test "pass fail counts" #t (rmt:general-call 'pass-fail-counts 10 9 1))
;; (test "get pass fail counts" 19 (let ((dat (rmt:get-test-info-by-id 1)))
;; 				  (+ (db:test-get-pass_count dat)
;; 				     (db:test-get-fail_count dat))))
;; 
;; (define testregistry (make-hash-table))
;; (for-each
;;  (lambda (tname)
;;    (for-each
;;     (lambda (itempath)
;;       (let ((tkey  (conc tname "/" itempath))
;; 	    (rpass (random 10))
;; 	    (rfail (random 10)))
;; 	(hash-table-set! testregistry tkey (list tname itempath))
;; 	(rmt:general-call 'register-test 1 tname itempath)
;; 	(let* ((tid  (rmt:get-test-id 1 tname itempath))
;; 	       (tdat (rmt:get-test-info-by-id tid)))
;; 	  (rmt:general-call 'pass-fail-counts rpass rfail (db:test-get-id tdat))
;; 	  (let* ((resdat (rmt:get-test-info-by-id tid)))
;; 	    (test "set/get pass fail counts" (list rpass rfail)
;; 		  (list (db:test-get-pass_count resdat)
;; 			(db:test-get-fail_count resdat)))))))
;;     (list "" "a" "b" "c" "d" "e" "f" "g" "h" "i" "j")))
;;  (list "test1" "test2" "test3" "test4" "test5"))
;; 
;; 
;; (test #f '(#t "exit process started") (rmt:kill-server)) ;; *toppath* *my-client-signature* #f)))
;;