Megatest

  ;; server last used then start shutdown
  ;; This thread waits for the server to come alive
  (let* ((server-info (let loop ((start-time (current-seconds))
				 (changed    #t)
				 (last-sdat  "not this"))
                        (let ((sdat #f))
			  (thread-sleep! 0.01)
			  (debug:print-info 0 "Waiting for server alive signal")
			  (debug:print-info 0 "Waiting for server alive signature")
                          (mutex-lock! *heartbeat-mutex*)
                          (set! sdat *server-info*)
                          (mutex-unlock! *heartbeat-mutex*)
                          (if (and sdat
				   (not changed)
				   (> (- (current-seconds) start-time) 2))
			      sdat
                              (begin
				(debug:print-info 0 "Still waiting, last-sdat=" last-sdat)
                                (sleep 4)
				(if (> (- (current-seconds) start-time) 120) ;; been waiting for two minutes
				    (let ((tdb  (tasks:open-db)))
				      (debug:print 0 "ERROR: transport appears to have died, exiting server " server-id " for run " run-id)
				      (tasks:server-delete-record tdb server-id "failed to start, never received server alive signature")
				      (sqlite3:finalize! tdb)
				      (exit))
                                (loop start-time
				      (equal? sdat last-sdat)
				      sdat))))))
				    (loop start-time
					  (equal? sdat last-sdat)
					  sdat)))))))
         (iface       (car server-info))
         (port        (cadr server-info))
         (last-access 0)
	 (tdb         (tasks:open-db))
	 (server-timeout (let ((tmo (configf:lookup  *configdat* "server" "timeout")))
			   (if (and (string? tmo)
				    (string->number tmo))

			  (process-signal pid signal/int)
			  (thread-sleep! 5)
			  (if (process:alive? pid)
			      (process-signal pid signal/kill)))))
		   ;;  (call-with-environment-variables
		   (let ((old-targethost (getenv "TARGETHOST")))
		     (setenv "TARGETHOST" hostname)
		     (setenv "TARGETHOST_LOGF" "server-kills.log")
		     (system (conc "nbfake kill " pid))
		     (if old-targethost (setenv "TARGETHOST" old-targethost))
		     (unsetenv "TARGETHOST")
		     (unsetenv "TARGETHOST"))))
		     (unsetenv "TARGETHOST_LOGF"))))
	     (debug:print 0 "ERROR: no record or improper record for " target "/" run-name " in tasks_queue in monitor.db"))))
     records)))


;;======================================================================
;; The routines to process tasks
;;======================================================================