Megatest

  (servinf-file #f)
  (last-serv-start 0)
  )

(define (tt:make-remote areapath)
  (make-tt areapath: areapath))

;; 1 ... or #f
(define (tt:valid-run-id run-id)
  (or (number? run-id)
      (not run-id)))

;; do all the busy work of finding and setting up conn for
;; connecting to a server
;; 
(define (tt:client-connect-to-server ttdat dbfname run-id testsuite)
  (assert (tt:valid-run-id run-id) "FATAL: invalid run-id "run-id)
  (let* ((conn (hash-table-ref/default (tt-conns ttdat) dbfname #f))
	 (server-start-proc (lambda ()
			      (tt:server-process-run
			       (tt-areapath ttdat)
			       testsuite ;; (dbfile:testsuite-name)
			       (common:find-local-megatest)
			       run-id))))

;; try running on that host
;;   incidental: rotate logs in logs/ dir.
;;
(define  (tt:server-process-run areapath testsuite mtexe run-id #!key (profile-mode "")) ;; areapath is *toppath* for a given testsuite area
  (assert areapath  "FATAL: tt:server-process-run called without areapath defined.")
  (assert testsuite "FATAL: tt:server-process-run called without testsuite defined.")
  (assert mtexe     "FATAL: tt:server-process-run called without mtexe defined.")
  (let* ((load (get-normalized-cpu-load))
	 (nrun (number-of-processes-running "mtest.*server")))
    (cond
     ((> load 2.0)
      (debug:print 0 *default-log-port* "Normalized load "load" is over the limit of 2.0. Not starting a server.")
      (thread-sleep! 1))
     ((> nrun 40)
      (debug:print 0 *default-log-port* nrun" servers running on this host, not starting another.")
      (thread-sleep! 1))
     (else
      (if (not (file-exists? (conc areapath"/logs")))
	      (create-directory (conc areapath"/logs") #t))
	  (let* ((logfile   (conc areapath "/logs/server.log")) ;; -" curr-pid "-" target-host ".log"))
		 (cmdln     (conc
			     mtexe
			     " -server - ";; (or target-host "-")
			     " -m testsuite:" testsuite
			     ;; " -run-id " (or run-id "main") ;; NO, we do NOT want to have run id as part of this
			     " -db "  (dbmod:run-id->dbfname run-id)
			     " " profile-mode
			     ))) ;; (conc " >> " logfile " 2>&1 &")))))
	    ;; we want the remote server to start in *toppath* so push there
	    ;; (push-directory areapath) ;; use cd in the command line instead
	    (debug:print 0 *default-log-port* "INFO: Trying to start server in tcp mode (" cmdln ") at "(common:human-time)"...")
	    ;; (debug:print 0 *default-log-port* "INFO: starting server at " (common:human-time))
	    (setenv "NBFAKE_QUIET" "yes") ;; BUG: change to with-environment-variable ...
	    (setenv "NBFAKE_LOG" logfile)
	    (system (conc "cd "areapath" ; nbfake " cmdln))
	    (unsetenv "NBFAKE_QUIET")
	    (unsetenv "NBFAKE_LOG")
	    ;;(pop-directory)
	    )))))

;;======================================================================
;; tcp connection stuff
;;======================================================================

;; find a port and start tcp-server. This only starts the tcp portion of
;; the server, look at (tt:start-server ...) above for the entry point