134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
|
;; The heavy lifting
;;
;; make-vector-record cdb packet client-sig qtype immediate query-sig params qtime
;;
(let loop ((queue-lst '()))
(let* ((rawmsg (receive-message* pull-socket))
(packet (db:string->obj rawmsg)))
(debug:print-info 12 "server=> received packet=" packet)
(if #t ;; (cdb:packet-get-immediate packet) ;; process immediately or put in queue
(begin
(open-run-close db:process-queue #f pub-socket (cons packet queue-lst))
(loop '()))
(loop (cons packet queue-lst)))))))
(define (server:reply pubsock target query-sig success/fail result)
|
|
>
>
>
>
>
>
|
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
|
;; The heavy lifting
;;
;; make-vector-record cdb packet client-sig qtype immediate query-sig params qtime
;;
(let loop ((queue-lst '()))
(let* ((rawmsg (receive-message* pull-socket))
(packet (db:string->obj rawmsg))
(qtype (cdb:packet-get-qtype packet)))
(debug:print-info 12 "server=> received packet=" packet)
(if (not (member qtype '(sync ping)))
(begin
(mutex-lock! *heartbeat-mutex*)
(set! *last-db-access* (current-seconds))
(mutex-unlock! *heartbeat-mutex*)))
(if #t ;; (cdb:packet-get-immediate packet) ;; process immediately or put in queue
(begin
(open-run-close db:process-queue #f pub-socket (cons packet queue-lst))
(loop '()))
(loop (cons packet queue-lst)))))))
(define (server:reply pubsock target query-sig success/fail result)
|
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
|
(begin
(sleep 4)
(loop))))))
(iface (cadr server-info))
(pullport (caddr server-info))
(pubport (cadddr server-info)) ;; id interface pullport pubport)
(zmq-sockets (server:client-connect iface pullport pubport))
)
(let loop ((count 0))
(thread-sleep! 4) ;; no need to do this very often
;; NB// sync currently does NOT return queue-length
(let ((queue-len (cdb:client-call zmq-sockets 'sync #t 1)))
;; (print "Server running, count is " count)
(if (< count 1) ;; 3x3 = 9 secs aprox
(loop (+ count 1)))
;; NOTE: Get rid of this mechanism! It really is not needed...
(open-run-close tasks:server-update-heartbeat tasks:open-db (car server-info))
;; (if ;; (or (> numrunning 0) ;; stay alive for two days after last access
(if (> (+ *last-db-access*
(* 50 60 60) ;; 48 hrs
;; 60 ;; one minute
;; (* 60 60) ;; one hour
)
(current-seconds))
(begin
(debug:print-info 2 "Server continuing, seconds since last db access: " (- (current-seconds) *last-db-access*))
(loop 0))
(begin
(debug:print-info 0 "Starting to shutdown the server.")
;; need to delete only *my* server entry (future use)
(set! *time-to-exit* #t)
(open-run-close tasks:server-deregister-self tasks:open-db (get-host-name))
(thread-sleep! 1)
|
|
>
|
>
>
|
|
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
|
(begin
(sleep 4)
(loop))))))
(iface (cadr server-info))
(pullport (caddr server-info))
(pubport (cadddr server-info)) ;; id interface pullport pubport)
(zmq-sockets (server:client-connect iface pullport pubport))
(last-access 0))
(let loop ((count 0))
(thread-sleep! 4) ;; no need to do this very often
;; NB// sync currently does NOT return queue-length
(let ((queue-len (cdb:client-call zmq-sockets 'sync #t 1)))
;; (print "Server running, count is " count)
(if (< count 1) ;; 3x3 = 9 secs aprox
(loop (+ count 1)))
;; NOTE: Get rid of this mechanism! It really is not needed...
(open-run-close tasks:server-update-heartbeat tasks:open-db (car server-info))
;; (if ;; (or (> numrunning 0) ;; stay alive for two days after last access
(mutex-lock! *heartbeat-mutex*)
(set! last-access *last-db-access*)
(mutex-unlock! *heartbeat-mutex*)
(if (> (+ last-access
(* 50 60 60) ;; 48 hrs
;; 60 ;; one minute
;; (* 60 60) ;; one hour
)
(current-seconds))
(begin
(debug:print-info 2 "Server continuing, seconds since last db access: " (- (current-seconds) last-access))
(loop 0))
(begin
(debug:print-info 0 "Starting to shutdown the server.")
;; need to delete only *my* server entry (future use)
(set! *time-to-exit* #t)
(open-run-close tasks:server-deregister-self tasks:open-db (get-host-name))
(thread-sleep! 1)
|