Megatest

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

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

(define (rmt:kill-server run-id)
  (rmt:send-receive 'kill-server #f (list run-id)))

(define (rmt:start-server run-id)
  (rmt:send-receive 'start-server #f (list run-id)))

(define (rmt:get-server-info apath dbname)
  (rmt:send-receive 'get-server-info #f (list apath dbname)))

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

					    ,dbname)))

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

(define (rmt:get-servers-info apath)
  (rmt:send-receive 'get-servers-info #f `(,apath)))

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

  (let* ((remdat            *remotedat*)
	 (server-start-time (current-seconds))
	 (pkts-dir          (get-pkts-dir))
	 (server-key        (rmt:get-signature)) ;; This servers key
	 (is-main           (equal? (args:get-arg "-db") ".db/main.db"))
	 (last-access       0)
	 (server-timeout    (server:expiration-timeout))
	 (shutdown-server-sequence (lambda (port)
				     (set! *unclean-shutdown* #f)
				     (debug:print-info 0 *default-log-port* "Starting to shutdown the server. pid="(current-process-id))
				     (rmt:server-shutdown)
				     (portlogger:open-run-close portlogger:set-port port "released")
				     (exit)))
	 (timed-out?        (lambda ()
			      (<= (+ last-access server-timeout)
				 (current-seconds)))))
    ;; main and run db servers have both got wait logic (could/should merge it)
    (if is-main
	(rmt:wait-for-server pkts-dir dbname server-key)
	(rmt:wait-for-stable-interface))
    ;; this is our forever loop
    (let* ((iface             (servdat-host *server-info*))
	   (port              (servdat-port *server-info*)))

	
	(if (common:low-noise-print 60 "dbstats")
	    (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
	   ((not *server-run*)
	    (debug:print-info 0 *default-log-port* "*server-run* set to #f. Shutting down.")
	    (shutdown-server-sequence port))
	   ((timed-out?)
	    (debug:print-info 0 *default-log-port* "Server timed out. seconds since last db access: " (- (current-seconds) last-access))
	    (shutdown-server-sequence port))
	   ((and *server-run*
		 (not (timed-out?))

		 #;(if is-main ;; intention here was to exit main server quickly. 
		     (> (rmt:get-count-servers remdat *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))

	    (shutdown-server-sequence port)


	    #;(debug:print-info 0 *default-log-port* "Sending 'quit to server, received: "
			      (open-send-receive-nn (conc iface":"port)      ;; do this here and not in server-shutdown
						    (sexpr->string 'quit)))
	    )))))))

;; Call this to start the actual server
;;