Megatest

tests.o db.o launch.o runs.o dashboard-tests.o dashboard-guimonitor.o dashboard-main.o monitor.o dashboard.o  \
archive.o megatest.o : db_records.scm
tests.o runs.o dashboard.o dashboard-tests.o dashboard-main.o  : run_records.scm
db.o ezsteps.o keys.o launch.o megatest.o monitor.o runs-for-ref.o runs.o tests.o : key_records.scm
tests.o tasks.o dashboard-tasks.o : task_records.scm
runs.o : test_records.scm
megatest.o : megatest-fossil-hash.scm
rmt.scm client.scm common.scm configf.scm dashboard-guimonitor.scm dashboard-tests.scm dashboard.scm db.scm dcommon.scm ezsteps.scm fs-transport.scm http-transport.scm index-tree.scm items.scm keys.scm launch.scm megatest.scm monitor.scm mt.scm newdashboard.scm runconfig.scm runs.scm server.scm tdb.scm tests.scm tree.scm : common_records.scm rpc-transport.scm
common_records.scm : altdb.scm
vg.o dashboard.o : vg_records.scm
dcommon.o : run_records.scm
# Temporary while transitioning to new routine
# runs.o : run-tests-queue-classic.scm  run-tests-queue-new.scm

megatest-fossil-hash.scm : $(SRCFILES) megatest.scm *_records.scm

		     (hostname  (tasks:hostinfo-get-hostname  server-dat))
		     (port      (tasks:hostinfo-get-port      server-dat))
		     (start-res (case *transport-type*
				  ((http)(http-transport:client-connect iface port))
				  ;;((nmsg)(nmsg-transport:client-connect hostname port))
                                  ))
		     (ping-res  (case *transport-type* 
				  ((http)(rmt:login-no-auto-client-setup start-res))
				  ;; ((nmsg)(let ((logininfo (rmt:login-no-auto-client-setup start-res run-id)))
 				  ;;          (if logininfo
 				  ;;              (car (vector-ref logininfo 1))
 				  ;;              #f)))
                                  
                                  )))
		(if (and start-res
			 ping-res)
		    (begin
		      (remote-conndat-set! *runremote* start-res) ;; (hash-table-set! *runremote* run-id start-res)
		      (debug:print-info 2 *default-log-port* "connected to " (http-transport:server-dat-make-url start-res))
		      start-res)
		    (begin    ;; login failed but have a server record, clean out the record and try again
		      (debug:print-info 0 *default-log-port* "client:setup, login failed, will attempt to start server ... start-res=" start-res ", run-id=" run-id ", server-dat=" server-dat)
		      (case *transport-type* 
			((http)(http-transport:close-connections run-id)))
		      (remote-conndat-set! *runremote* #f)  ;; (hash-table-delete! *runremote* run-id)
		      (tasks:kill-server-run-id run-id)
		      (tasks:server-force-clean-run-record (db:delay-if-busy tdbdat)
							   run-id 
							   (tasks:hostinfo-get-interface server-dat)
							   (tasks:hostinfo-get-port      server-dat)
							   " client:setup (server-dat = #t)")
		      (if (> remaining-tries 8)

(define *server-run*        #t)
(define *run-id*            #f)
(define *server-kind-run*   (make-hash-table))
(define *home-host*         #f)
(define *total-non-write-delay* 0)
(define *heartbeat-mutex*   (make-mutex))

;; 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))

			      (if *dbstruct-db* (db:close-all *dbstruct-db*)) ;; one second allocated
			      (if *task-db*    
				  (let ((db (cdr *task-db*)))
				    (if (sqlite3:database? db)
					(begin
					  (sqlite3:interrupt! db)
					  (sqlite3:finalize! db #t)
					  ;; (vector-set! *task-db* 0 #f)
					  (set! *task-db* #f)))))
			      (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...")
			      (if no-hurry
				  (thread-sleep! 5) ;; give the clean up few seconds to do it's stuff
				  (thread-sleep! 2))

     (print-call-chain (current-error-port))
     (with-output-to-port (current-error-port)
       (lambda ()
	 (print ((condition-property-accessor 'exn 'message) exn))
	 (print "Callback error in " procname)
	 (print "Full condition info:\n" (condition->list exn)))))
   (proc)))

;; Need a mutex protected way to get and set values
;; or use (define-simple-syntax ??
;;
(define-inline (with-mutex mtx accessor record . val)
  (mutex-lock! mtx)
  (let ((res (apply accessor record val)))
    (mutex-unlock! mtx)
    res))

;; this was cached based on results from profiling but it turned out the profiling
;; somehow went wrong - perhaps too many processes writing to it. Leaving the caching
;; in for now but can probably take it out later.
;;
(define (debug:calc-verbosity vstr)
  (or (hash-table-ref/default *verbosity-cache* vstr #f)

(define *number-non-write-queries* 0)

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

;; each db entry is a pair ( db . dbfilepath )
;; I propose this record evolves into the area record
;;
(defstruct dbr:dbstruct 
  (tmpdb       #f)
  (mtdb        #f)
  (refndb      #f)
  (homehost    #f) ;; not used yet
  (on-homehost #f) ;; not used yet
  )                ;; goal is to converge on one struct for an area but for now it is too confusing
  

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

(declare (uses common))
(declare (uses db))
(declare (uses tests))
(declare (uses tasks)) ;; tasks are where stuff is maintained about what is running.
(declare (uses server))
(declare (uses daemon))
(declare (uses portlogger))
(declare (uses rmt))

(include "common_records.scm")
(include "db_records.scm")

(define (http-transport:make-server-url hostport)
  (if (not hostport)
      #f

			 (http-transport:server-dat-get-api-req serverdat)
			 (begin
			   (debug:print 0 *default-log-port* "FATAL ERROR: http-transport:client-api-send-receive called with no server info")
			   (exit 1))))
	 (res        #f)
	 (success    #t)
	 (sparams    (db:obj->string params transport: 'http)))


















       (debug:print-info 11 *default-log-port* "fullurl=" fullurl ", cmd=" cmd ", params=" params ", run-id=" run-id "\n")
       ;; set up the http-client here
       (max-retry-attempts 1)
       ;; consider all requests indempotent
       (retry-request? (lambda (request)
			 #f))
       ;; send the data and get the response

					 (db:string->obj 
					  (handle-exceptions
					   exn
					   (begin
					     (set! success #f)
					     (debug:print 0 *default-log-port* "WARNING: failure in with-input-from-request to " fullurl ".")
					     (debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
					     (if *runremote*
                                                 (remote-conndat-set! *runremote* #f))
					     ;; Killing associated server to allow clean retry.")
					     ;; (tasks:kill-server-run-id run-id)  ;; better to kill the server in the logic that called this routine?
					     (mutex-unlock! *http-mutex*)
					     ;;; (signal (make-composite-condition
					     ;;;          (make-property-condition 'commfail 'message "failed to connect to server")))
					     ;;; "communications failed"
					     (db:obj->string #f))
					   (with-input-from-request ;; was dat
					    fullurl 
					    (list (cons 'key "thekey")
						  (cons 'cmd cmd)
						  (cons 'params sparams))
					    read-string)
                                           transport: 'http))
                                         0)) ;; added this speculatively
			      ;; Shouldn't this be a call to the managed call-all-connections stuff above?
			      (close-all-connections!)
			      (mutex-unlock! *http-mutex*)
			      ))
	      (time-out     (lambda ()
			      (thread-sleep! 45)
			      #f))

		 res
		 (begin ;; note: this code also called in nmsg-transport - consider consolidating it
		   (debug:print-error 0 *default-log-port* "error occured at server, info=" (vector-ref res 2))
		   (debug:print 0 *default-log-port* " client call chain:")
		   (print-call-chain (current-error-port))
		   (debug:print 0 *default-log-port* " server call chain:")
		   (pp (vector-ref res 1) (current-error-port))
		   (signal (vector-ref res 0))))
	     (signal (make-composite-condition
		      (make-property-condition 
		       'timeout
		       'message "nmsg-transport:client-api-send-receive-raw timed out talking to server")))))))

;; careful closing of connections stored in *runremote*
;;
(define (http-transport:close-connections run-id)
  (let* ((server-dat (if *runremote*
                         (remote-conndat *runremote*)
                         #f))) ;; (hash-table-ref/default *runremote* run-id #f)))
    (if (vector? server-dat)
	(let ((api-dat (http-transport:server-dat-get-api-uri server-dat)))
	  (close-connection! api-dat)
	  #t)
	#f)))

;; 	     (> rem-time 0))
;; 	(thread-sleep! rem-time)
;; 	(thread-sleep! 4))) ;; fallback for if the math is changed ...

(define (http-transport:server-shutdown server-id port)
  (let ((tdbdat (tasks:open-db)))
    (debug:print-info 0 *default-log-port* "Starting to shutdown the server.")



    ;;
    ;; start_shutdown
    ;;
    (tasks:server-set-state! (db:delay-if-busy tdbdat) server-id "shutting-down")
    (set! *time-to-exit* #t) ;; tell on-exit to be fast as we've already cleaned up
    (portlogger:open-run-close portlogger:set-port port "released")
    (thread-sleep! 5)
    (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)"

		(else
		 (pp data))))))
      (if out-file (close-output-port out-port))
      (exit) ;; yes, bending the rules here - need to exit since this is a utility
      ))

(if (args:get-arg "-ping")
    (let* ((server-id     (string->number (args:get-arg "-ping"))) ;; extract run-id (i.e. no ":"
	   (host:port     (args:get-arg "-ping")))
      (server:ping (or server-id host:port) do-exit: #t)))

;;======================================================================
;; Capture, save and manipulate environments
;;======================================================================

;; NOTE: Keep these above the section where the server or client code is setup

;; fakeout readline
(include "readline-fix.scm")

(if (or (getenv "MT_RUNSCRIPT")
	(args:get-arg "-repl")
	(args:get-arg "-load"))
    (let* ((toppath (launch:setup))
	   (dbstruct (if (and toppath
                              (common:on-homehost?))
                         (db:setup)
                         #f))) ;; make-dbr:dbstruct path: toppath local: (args:get-arg "-local")) #f)))
      (if *toppath*
	  (cond
	   ((getenv "MT_RUNSCRIPT")
	    ;; How to run megatest scripts
	    ;;
	    ;; #!/bin/bash
	    ;;
	    ;; export MT_RUNSCRIPT=yes

                  (mutex-unlock! mtx)
                  (car (string-split result)))
                #f)
            (loop (read-line inp)))))))

(define *max-running* 40)

(define my-mutex-lock! conc)
(define my-mutex-unlock! conc)
;; (define my-mutex-lock! mutex-lock!)
;; (define my-mutex-unlock! mutex-unlock!)

(define (gather-dir-info path)
  (let ((mtx1     (make-mutex))
        (threads  (make-hash-table))
        (last-num 0)
        (req      (nn-socket 'req)))
    (print "starting client with pid " (current-process-id))
    (nn-connect req
                ;; "tcp://localhost:5559")
                "ipc:///tmp/test-ipc")
    (find-files 
     path 
     ;; test: #t
     action: (lambda (p res)
               (let ((info (cond
                            ((not (file-read-access? p)) '(cant-read))
                            ((directory? p)              '(dir))
                            ((symbolic-link? p)          (list 'symlink (read-symbolic-link p)))
                            (else                        '(data)))))
                 (if (eq? (car info) 'data)
                     (let loop ((start-time (current-seconds)))
                       (my-mutex-lock! mtx1)
                       (let* ((num-threads (hash-table-size threads))
                              (ok-to-run   (> *max-running* num-threads)))
                         ;; (if (> (abs (- num-threads last-num)) 2)
                         ;;     (begin
                         ;;       ;; (print "num-threads:" num-threads)
                         ;;       (set! last-num num-threads)))
                         (my-mutex-unlock! mtx1)
                         (if ok-to-run
                             (let ((run-time-start (current-seconds)))
                               ;; (print "num threads: " num-threads)
                               (let ((th1  (make-thread
                                            (lambda ()
                                              (let ((cksum (checksum mtx1 p cmd: "md5sum"))
                                                    (run-time (- (current-seconds) run-time-start)))
                                                (my-mutex-lock! mtx1)
                                                (client-send-receive req (conc p " " cksum))
                                                (my-mutex-unlock! mtx1))
                                              (let loop2 ()
                                                (my-mutex-lock! mtx1)
                                                (let ((registered (hash-table-exists? threads p)))
                                                  (if registered
                                                      (begin
                                                        ;; (print "deleting thread reference for " p)
                                                        (hash-table-delete! threads p))) ;; delete myself
                                                  (my-mutex-unlock! mtx1)
                                                  (if (not registered)
                                                      (begin
                                                        (thread-sleep! 0.5)
                                                        (loop2))))))
                                            p)))
                                 (thread-start! th1)
                                 ;; (thread-sleep! 0.05) ;; give things a little time to get going
                                 ;; (thread-join! th1) ;; 
                                 (my-mutex-lock! mtx1)
                                 (hash-table-set! threads p th1)
                                 (my-mutex-unlock! mtx1)
                                 )) ;; thread is launched
                             (let ((run-time (- (current-seconds) start-time))) ;; couldn't launch yet
                               (cond
                                ((< run-time 5)) ;; blast on through
                                ((< run-time 30)(thread-sleep! 0.1))
                                ((< run-time 60)(thread-sleep! 2))
                                ((< run-time 120)(thread-sleep! 3))

;;======================================================================
;; Copyright 2006-2013, Matthew Welland.
;; 
;;  This program is made available under the GNU GPL version 2.0 or
;;  greater. See the accompanying file COPYING for details.
;; 
;;  This program is distributed WITHOUT ANY WARRANTY; without even the
;;  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
;;  PURPOSE.
;;======================================================================
;;
(use format typed-records) ;; RADT => purpose of json format??

(declare (unit rmt))
(declare (uses api))
(declare (uses tdb))
(declare (uses http-transport))
;;(declare (uses nmsg-transport))
(include "common_records.scm")

;;
;; THESE ARE ALL CALLED ON THE CLIENT SIDE!!!
;;










;; generate entries for ~/.megatestrc with the following
;;
;;  grep define ../rmt.scm | grep rmt: |perl -pi -e 's/\(define\s+\((\S+)\W.*$/\1/'|sort -u

(defstruct remote
  (hh-dat            (common:get-homehost)) ;; homehost record ( addr . hhflag )
  (server-url        (if *toppath* (server:check-if-running *toppath*) #f))
  (last-server-check 0)  ;; last time we checked to see if the server was alive
  (conndat           #f)
  (transport         *transport-type*)
  (server-timeout    (or (server:get-timeout) 100))) ;; default to 100 seconds

;;======================================================================
;;  S U P P O R T   F U N C T I O N S
;;======================================================================

;; thread-safe interface to *runremote* hash
(define *rrr-mutex* (make-mutex))

;; if a server is either running or in the process of starting call client:setup
;; else return #f to let the calling proc know that there is no server available
;;
(define (rmt:get-connection-info run-id)
  (let ((cinfo (remote-conndat *runremote*)))
    (if cinfo
	cinfo
	(if (tasks:server-running-or-starting? (db:delay-if-busy (tasks:open-db)) run-id)
	    (client:setup run-id)
	    #f))))

(define *send-receive-mutex* (make-mutex)) ;; should have separate mutex per run-id

;; RA => e.g. usage (rmt:send-receive 'get-var #f (list varname))
;;
(define (rmt:send-receive cmd rid params #!key (attemptnum 1)) ;; start attemptnum at 1 so the modulo below works as expected

  ;; do all the prep locked under the rmt-mutex
  (mutex-lock! *rmt-mutex*)

  ;; 1. check if server is started IFF cmd is a write OR if we are not on the homehost, store in *runremote*
  ;; 2. check the age of the connections. refresh the connection if it is older than timeout-20 seconds.
  ;; 3. do the query, if on homehost use local access
  ;;

  (let* ((start-time (current-seconds))) ;; snapshot time so all use cases get same value
    (cond
     ;; give up if more than 15 attempts
     ((> attemptnum 15)
      (debug:print 0 *default-log-port* "ERROR: 15 tries to start/connect to server. Giving up.")
      (exit 1))
     ;; ensure we have a record for our connection for given area
     ((not *runremote*)                     
      (set! *runremote* (make-remote))
      (mutex-unlock! *rmt-mutex*)
      (print "case 1")
      (rmt:send-receive cmd rid params attemptnum: attemptnum))
     ;; ensure we have a homehost record
     ((not (pair? (remote-hh-dat *runremote*)))  ;; have a homehost record?
      (thread-sleep! 0.1) ;; since we shouldn't get here, delay a little
      (remote-hh-dat-set! *runremote* (common:get-homehost))
      (mutex-unlock! *rmt-mutex*)
      (print "case 2")
      (rmt:send-receive cmd rid params attemptnum: attemptnum))
     ;; on homehost and this is a read
     ((and (cdr (remote-hh-dat *runremote*))   ;; on homehost
           (member cmd api:read-only-queries)) ;; this is a read
      (mutex-unlock! *rmt-mutex*)
      (print "case 3")
      (rmt:open-qry-close-locally cmd 0 params))
     ;; on homehost and this is a write, we already have a server
     ((and (cdr (remote-hh-dat *runremote*))         ;; on homehost
           (not (member cmd api:read-only-queries))  ;; this is a write
           (remote-server-url *runremote*))          ;; have a server
      (mutex-unlock! *rmt-mutex*)
      (print "case 4")
      (rmt:open-qry-close-locally cmd 0 params))
     ;; no server contact made and this is a write, passively start a server 
     ((and (not (remote-server-url *runremote*))
	   (not (member cmd api:read-only-queries)))
      (print "case 5")
      (let ((serverconn (server:check-if-running *toppath*)))
	(if serverconn
	    (remote-server-url-set! *runremote* serverconn) ;; the string can be consumed by the client setup if needed
	    (if (not (server:start-attempted? *toppath*))
		(server:kind-run *toppath*))))
      (if (cdr (remote-hh-dat *runremote*)) ;; we are on the homehost, just do the call
          (begin
            (mutex-unlock! *rmt-mutex*)
	    (print "case 5.1")
            (rmt:open-qry-close-locally cmd 0 params))







          (begin








            (mutex-unlock! *rmt-mutex*)
	    (print "case 5.2")
	    (tasks:start-and-wait-for-server (tasks:open-db) 0 15)
            (rmt:send-receive cmd rid params attemptnum: attemptnum))))


     ;; if not on homehost ensure we have a connection to a live server
     ;; NOTE: we *have* a homehost record by now

     ((and (not (cdr (remote-hh-dat *runremote*)))        ;; are we on a homehost?


           (not (remote-conndat *runremote*)))            ;; and no connection

      (print "case 6  hh-dat: " (remote-hh-dat *runremote*) " conndat: " (remote-conndat *runremote*))
      (mutex-unlock! *rmt-mutex*)
      (tasks:start-and-wait-for-server (tasks:open-db) 0 15)


      (remote-conndat-set! *runremote* (rmt:get-connection-info 0))



      (rmt:send-receive cmd rid params attemptnum: attemptnum))






     ;; all set up if get this far, dispatch the query
     ((cdr (remote-hh-dat *runremote*)) ;; we are on homehost
      (mutex-unlock! *rmt-mutex*)
      (print "case 7")

      (rmt:open-qry-close-locally cmd (if rid rid 0) params))
     ;; reset the connection if it has been unused too long

     ((and (remote-conndat *runremote*)

	   (let ((expire-time (- start-time (remote-server-timeout *runremote*))))
	     (< (http-transport:server-dat-get-last-access (remote-conndat *runremote*)) expire-time)))
      (print "case 8")

      (remote-conndat-set! *runremote* #f))






     ;; not on homehost, do server query






     (else









      (mutex-unlock! *rmt-mutex*)

      (print "case 9")
      (let* ((conninfo (remote-conndat *runremote*))
	     (dat      (case (remote-transport *runremote*)
			 ((http) (condition-case ;; handling here has caused a lot of problems. However it is needed to deal with attemtped communication to servers that have gone away
                                  (http-transport:client-api-send-receive 0 conninfo cmd params)
                                  ((commfail)(vector #f "communications fail"))
                                  ((exn)(vector #f "other fail" (print-call-chain)))))
			 (else
			  (debug:print 0 *default-log-port* "ERROR: transport " (remote-transport *runremote*) " not supported")
			  (exit))))

	     (success  (if (vector? dat) (vector-ref dat 0) #f))
	     (res      (if (vector? dat) (vector-ref dat 1) #f)))
	(if (vector? conninfo)(http-transport:server-dat-update-last-access conninfo)) ;; refresh access time
        (print "case 9. conninfo=" conninfo " dat=" dat)


	(if success
	    (case (remote-transport *runremote*)
	      ((http) res)
	      (else
	       (debug:print 0 *default-log-port* "ERROR: transport " (remote-transport *runremote*) " is unknown")
	       (exit 1)))
	    (begin
	      (debug:print 0 *default-log-port* "WARNING: communication failed. Trying again, try num: " attemptnum)

	      (remote-conndat-set!    *runremote* #f)
	      (remote-server-url-set! *runremote* #f)
              (print "case 9.1")
	      (tasks:start-and-wait-for-server (tasks:open-db) 0 15)
	      (rmt:send-receive cmd rid params attemptnum: (+ attemptnum 1)))))))))

(define (rmt:update-db-stats run-id rawcmd params duration)
  (mutex-lock! *db-stats-mutex*)
  (handle-exceptions
   exn
   (begin
     (debug:print 0 *default-log-port* "WARNING: stats collection failed in update-db-stats")

		(mutex-lock! *db-multi-sync-mutex*)
		(set! *db-last-write* start-time) ;; the oldest "write"
                (mutex-unlock! *db-multi-sync-mutex*)))))
    res))

(define (rmt:send-receive-no-auto-client-setup connection-info cmd run-id params)
  (let* ((run-id   (if run-id run-id 0))

	 (res  	   (handle-exceptions
		    exn
		    #f
		    (http-transport:client-api-send-receive run-id connection-info cmd params))))

    (if (and res (vector-ref res 0))
	(vector-ref res 1) ;;; YES!! THIS IS CORRECT!! CHANGE IT HERE, THEN CHANGE rmt:send-receive ALSO!!!
	#f)))





;; ;; Wrap json library for strings (why the ports crap in the first place?)
;; (define (rmt:dat->json-str dat)
;;   (with-output-to-string 
;;     (lambda ()
;;       (json-write dat))))
;; 
;; (define (rmt:json-str->dat json-str)
;;   (with-input-from-string json-str
;;     (lambda ()
;;       (json-read))))

;;======================================================================
;;
;; A C T U A L   A P I   C A L L S  
;;
;;======================================================================

  (rmt:send-receive 'start-server 0 (list run-id)))

;;======================================================================
;;  M I S C
;;======================================================================

(define (rmt:login run-id)
  (rmt:send-receive 'login run-id (list *toppath* megatest-version *my-client-signature*)))

;; This login does no retries under the hood - it acts a bit like a ping.
;; Deprecated for nmsg-transport.
;;
(define (rmt:login-no-auto-client-setup connection-info)
  (case *transport-type* ;; run-id of 0 is just a placeholder
    ((http)(rmt:send-receive-no-auto-client-setup connection-info 'login 0 (list *toppath* megatest-version *my-client-signature*)))

;;    (if (eq? run-id 0)
;;        (server:run run-id)
;;        (rmt:start-server run-id)))
(define server:try-running server:run) ;; there is no more per-run servers ;; REMOVE ME. BUG.

(define (server:start-attempted? areapath)
  (let ((flagfile (conc areapath "/.starting-server")))
    (handle-exceptions
     exn
     #f  ;; if things go wrong pretend we can't see the file
     (and (file-exists? flagfile)
	  (< (- (current-seconds)
		(file-modification-time flagfile))
	     15))))) ;; exists and less than 15 seconds old
    
(define (server:read-dotserver areapath)
  (let ((dotfile (conc areapath "/.server")))
    (handle-exceptions
     exn
     #f  ;; if things go wrong pretend we can't see the file
     (if (and (file-exists? dotfile)
	      (file-read-access? dotfile))
	 (with-input-from-file
	     dotfile
	   (lambda ()
	     (read-line)))
	 #f))))

;; write a .server file in *toppath* with hostport
;; return #t on success, #f otherwise
;;
(define (server:write-dotserver areapath hostport)
  (let ((lock-file   (conc areapath "/.server.lock"))
	(server-file (conc areapath "/.server")))

	#f)))

;; called in megatest.scm, host-port is string hostname:port
;;
;; NOTE: This is NOT called directly from clients as not all transports support a client running
;;       in the same process as the server.
;;
(define (server:ping host-port-in #!key (do-exit #f))
  (let ((host:port (if (number? host-port-in) ;; we were handed a server-id
		       (let ((srec (tasks:get-server-by-id (db:delay-if-busy (tasks:open-db)) host-port-in)))
			 ;; (print "srec: " srec " host-port-in: " host-port-in)
			 (if srec
			     (conc (vector-ref srec 3) ":" (vector-ref srec 4))
			     (conc "no such server-id " host-port-in)))
		       host-port-in)))
    (let* ((host-port (let ((slst (string-split   host:port ":")))
			(if (eq? (length slst) 2)
			    (list (car slst)(string->number (cadr slst)))
			    #f)))
	   (toppath       (launch:setup)))
      ;; (print "host-port=" host-port)
      (if (not host-port)
	  (begin
	    (debug:print 0 *default-log-port*  "ERROR: bad host:port")
	    (if do-exit (exit 1)))
	  (let* ((iface      (car host-port))
		 (port       (cadr host-port))
		 (server-dat (http-transport:client-connect iface port))
		 (login-res  (rmt:login-no-auto-client-setup server-dat)))
	    (if (and (list? login-res)
		     (car login-res))
		(begin
		  (print "LOGIN_OK")
		  (if do-exit (exit 0)))
		(begin
		  (print "LOGIN_FAILED")
		  (if do-exit (exit 1)))))))))

;; run ping in separate process, safest way in some cases
;;
(define (server:ping-server ifaceport)
  (with-input-from-pipe 
   (conc (common:get-megatest-exe) " -ping " ifaceport)
   (lambda ()

     (lambda (id pid hostname interface port pubport start-time priority state mt-version last-update transport run-id)
       ;;                       0  1     2         3      4     5          6        7     8          9          10        11     12
       (set! res (cons (vector id pid hostname interface port pubport start-time priority state mt-version last-update transport run-id) res)))
     mdb
     "SELECT id,pid,hostname,interface,port,pubport,start_time,priority,state,mt_version,strftime('%s','now')-heartbeat AS last_update,transport,run_id 
        FROM servers WHERE state NOT LIKE 'defunct%' ORDER BY start_time DESC;")
    res))

(define (tasks:get-server-by-id mdb id)
  (let ((res #f))
    (sqlite3:for-each-row
     (lambda (id pid hostname interface port pubport start-time priority state mt-version last-update transport run-id)
       ;;                       0  1     2         3      4     5          6        7     8          9          10        11     12
       (set! res (vector id pid hostname interface port pubport start-time priority state mt-version last-update transport run-id)))
     mdb
     "SELECT id,pid,hostname,interface,port,pubport,start_time,priority,state,mt_version,strftime('%s','now')-heartbeat AS last_update,transport,run_id 
        FROM servers WHERE id=?;"
     id)
    res))

(define (tasks:get-server-records mdb run-id)
  (let ((res '()))
    (sqlite3:for-each-row
     (lambda (id pid hostname interface port pubport start-time priority state mt-version last-update transport run-id)
       ;;                       0  1     2         3      4     5          6        7     8          9          10        11     12
       (set! res (cons (vector id pid hostname interface port pubport start-time priority state mt-version last-update transport run-id) res)))

		      (debug:print-info 1 *default-log-port* "Caching testconfig for " test-name " in " tpath)
		      (configf:write-alist tcfg tpath)))
		tcfg))))))
  
;; sort tests by priority and waiton
;; Move test specific stuff to a test unit FIXME one of these days
(define (tests:sort-by-priority-and-waiton test-records)
  (if (eq? (hash-table-size test-records) 0)
      '()
      (let* ((mungepriority (lambda (priority)
			      (if priority
				  (let ((tmp (any->number priority)))
				    (if tmp tmp (begin (debug:print-error 0 *default-log-port* "bad priority value " priority ", using 0") 0)))
				  0)))
	     (all-tests      (hash-table-keys test-records))
	     (all-waited-on  (let loop ((hed (car all-tests))
					(tal (cdr all-tests))
					(res '()))
			       (let* ((trec    (hash-table-ref test-records hed))
				      (waitons (or (tests:testqueue-get-waitons trec) '())))
				 (if (null? tal)
				     (append res waitons)
				     (loop (car tal)(cdr tal)(append res waitons))))))
	     (sort-fn1 
	      (lambda (a b)
		(let* ((a-record   (hash-table-ref test-records a))
		       (b-record   (hash-table-ref test-records b))
		       (a-waitons  (or (tests:testqueue-get-waitons a-record) '()))
		       (b-waitons  (or (tests:testqueue-get-waitons b-record) '()))
		       (a-config   (tests:testqueue-get-testconfig  a-record))
		       (b-config   (tests:testqueue-get-testconfig  b-record))
		       (a-raw-pri  (config-lookup a-config "requirements" "priority"))
		       (b-raw-pri  (config-lookup b-config "requirements" "priority"))
		       (a-priority (mungepriority a-raw-pri))
		       (b-priority (mungepriority b-raw-pri)))
		  (tests:testqueue-set-priority! a-record a-priority)
		  (tests:testqueue-set-priority! b-record b-priority)
		  ;; (debug:print 0 *default-log-port* "a=" a ", b=" b ", a-waitons=" a-waitons ", b-waitons=" b-waitons)
		  (cond
		   ;; is 
		   ((member a b-waitons)          ;; is b waiting on a?
		    ;; (debug:print 0 *default-log-port* "case1")
		    #t)
		   ((member b a-waitons)          ;; is a waiting on b?
		    ;; (debug:print 0 *default-log-port* "case2")
		    #f)
		   ((and (not (null? a-waitons))  ;; both have waitons - do not disturb
			 (not (null? b-waitons)))
		    ;; (debug:print 0 *default-log-port* "case2.1")
		    #t)
		   ((and (null? a-waitons)        ;; no waitons for a but b has waitons
			 (not (null? b-waitons)))
		    ;; (debug:print 0 *default-log-port* "case3")
		    #f)
		   ((and (not (null? a-waitons))  ;; a has waitons but b does not
			 (null? b-waitons)) 
		    ;; (debug:print 0 *default-log-port* "case4")
		    #t)
		   ((not (eq? a-priority b-priority)) ;; use
		    (> a-priority b-priority))
		   (else
		    ;; (debug:print 0 *default-log-port* "case5")
		    (string>? a b))))))
	     
	     (sort-fn2
	      (lambda (a b)
		(> (mungepriority (tests:testqueue-get-priority (hash-table-ref test-records a)))
		   (mungepriority (tests:testqueue-get-priority (hash-table-ref test-records b)))))))
	;; (let ((dot-res (tests:run-dot (tests:tests->dot test-records) "plain")))
	;;   (debug:print "dot-res=" dot-res))
	;; (let ((data (map cdr (filter
	;;     		  (lambda (x)(equal? "node" (car x)))
	;;     		  (map string-split (tests:easy-dot test-records "plain"))))))
	;;   (map car (sort data (lambda (a b)
	;;     		    (> (string->number (caddr a))(string->number (caddr b)))))))
	;; ))
	(sort all-tests sort-fn1)))) ;; avoid dealing with deleted tests, look at the hash table

(define (tests:easy-dot test-records outtype)
  (let-values (((fd temp-path) (file-mkstemp (conc "/tmp/" (current-user-name) ".XXXXXX"))))
    (let ((all-testnames (hash-table-keys test-records))
	  (temp-port     (open-output-file* fd)))
      ;; (format temp-port "This file is ~A.~%" temp-path)
      (format temp-port "digraph tests {\n")

#!/bin/bash

# Usage: rununittest.sh testname debuglevel
#
banner $1

# put megatest on path from correct location
mtbindir=$(readlink -f ../bin)

export PATH="${mtbindir}:$PATH"

# Clean setup
#
dbdir=$(echo /tmp/$USER/megatest_localdb/simplerun/.[a-zA-Z]*/)
echo "dbdir=$dbdir"
rm -f simplerun/megatest.db simplerun/monitor.db simplerun/db/monitor.db $dbdir
rm -rf simplelinks/ simpleruns/ simplerun/db/ $dbdir
mkdir -p simplelinks simpleruns
(cd simplerun;cp ../../*_records.scm .;perl -pi.bak -e 's/define-inline/define/' *_records.scm)
(cd simplerun;cp ../../altdb.scm .)

# Run the test $1 is the unit test to run
cd simplerun;echo '(load "../tests.scm")' | ../../bin/megatest -repl -debug $2 $1

(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 #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 
      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)

	       (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) ", ")))

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

(define keys (rmt:get-keys))

(test #f #t (and (server:kind-run *toppath*) #t))

(test "get all legal tests" (list "test1" "test2") (sort (hash-table-keys (tests:get-all)) string<=?))

(test "register-run" #t (number?
			 (rmt:register-run 
					  '(("SYSTEM" "key1")("RELEASE" "key2"))
					  "myrun" 
					  "new"
					  "n/a" 
					  "bob")))

(test #f #t             (rmt:register-test 1 "nada" ""))
(test #f 1              (rmt:get-test-id 1 "nada" ""))
(test #f "NOT_STARTED"  (vector-ref (rmt:get-test-info-by-id 1 1) 3))

(test #f "FOO LIKE 'abc%def'" (db:patt->like "FOO" "abc%def"))
(test #f "key2" (vector-ref (car (vector-ref (mt:get-runs-by-patt '("SYSTEM" "RELEASE") "%" "key1/key2") 1)) 1))

(test #f "SYSTEM,RELEASE,id,runname,state,status,owner,event_time" (car (runs:get-std-run-fields keys '("id" "runname" "state" "status" "owner" "event_time"))))
(test #f #t (runs:operate-on 'print "%" "%" "%"))

;; force keepgoing
; (hash-table-set! args:arg-hash "-keepgoing" #t)
(hash-table-set! args:arg-hash "-itempatt" "%")
(hash-table-set! args:arg-hash "-testpatt" "%")
(hash-table-set! args:arg-hash "-target" "ubuntu/r1.2") ;; SYSTEM/RELEASE
(hash-table-set! args:arg-hash "-runname" "testrun")
(test "Setup for a run"       #t (string? (launch:setup)))

(define *tdb* #f)
(define keyvals #f)
(test "target->keyval" #t (let ((kv (keys:target->keyval keys (args:get-arg "-target"))))
			    (print "keyvals=" kv ", keys=" keys)
			    (set! keyvals kv)(list? keyvals)))

   '("ABORT"     "FAIL"      "FAIL"       "FAIL"       "PASS"    "FAIL"    "ABORT"     "AUTO")))


(test "launch-test" #t
      (string? 
       (file-exists?
	;; (launch-test test-id run-id run-info keyvals runname test-conf test-name test-path itemdat params)
	(launch-test 1 1 rinfo keyvals "run1" tconfig "test1" test-path '() (make-hash-table)))))

;;======================================================================
;; M O R E   R E M O T E   C A L  L S
;;======================================================================

(test #f '("COMPLETED" "PASS")
      (begin
	(rmt:set-tests-state-status 1 '("rollup") "COMPLETED" "AUTO" "COMPLETED" "PASS")
	(get-state-status 1 "rollup" "")))
(test #f #t (rmt:top-test-set-per-pf-counts 1 "rollup"))

;;======================================================================
;; T E S T   I T E M M A P
;;======================================================================

(test #f "a/b/c"       (db:multi-pattern-apply   "d/e/f" "d a\ne b\nf c"))
(test #f "blah/foo/bar/baz" (db:convert-test-itempath "blah/baz/bar/foo" "^([^/]+)/([^/]+)/([^/]+)$ \\3/\\2/\\1"))
(define itemmaps (alist->hash-table
		  '(("test1" "ghi def")
		    ("test2" ".*/")
		    ("test3" ".*/ some/"))))

(test #f #t (db:compare-itempaths "test1" "abc/def/123" "abc/ghi/123" itemmaps))
(test #f #f (db:compare-itempaths "test2" "some/5" "item/5" ".*/" itemmaps))
(test #f #t (db:compare-itempaths "test3" "some/5" "item/5" ".*/ some/" itemmaps))

(test #f '() (rmt:get-prereqs-not-met 1 '("rollup") "some/5" mode: '(toplevel)  itemmap: ".*/" "/"))
(test #f '() (rmt:get-prereqs-not-met 1 '("rollup") "some/5" mode: '(normal)    itemmap: ".*/" "/"))
(test #f '() (rmt:get-prereqs-not-met 1 '("rollup") "some/5" mode: '(itemmatch) itemmap: ".*/" "/"))
(test #f '() (rmt:get-prereqs-not-met 1 '("rollup") "some/5" mode: '(itemwait)  itemmap: ".*/" "/"))

(exit 1)