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directory-utils
;; http-client
;; intarweb
matchable
md5
message-digest
nanomsg
nng ;; nanomsg
(prefix base64 base64:)
(prefix sqlite3 sqlite3:)
regex
s11n
;; spiffy
;; spiffy-directory-listing
;; spiffy-request-vars
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(begin
(servdat-host-set! *server-info* ipaddrstr)
(servdat-port-set! *server-info* port)
(servdat-status-set! *server-info* 'trying-port)
(servdat-trynum-set! *server-info* (+ (servdat-trynum *server-info*) 1)))
(set! *server-info* (make-servdat host: ipaddrstr port: port)))
(let* ((rep (rmt:try-start-server ipaddrstr port)))
(let loop ((instr (nn-recv rep)))
(let loop ((instr (nng-recv rep)))
(let* ((data (string->sexpr instr))
(res (case data
((quit) 'quit)
(else (api:process-request *dbstruct-db* data))))
(resdat (sexpr->string res)))
(if (not (eq? res 'quit))
(begin
(set! *db-last-access* (current-seconds))
(nn-send rep resdat)
(loop (nn-recv rep)))))))
(nng-send rep resdat)
(loop (nng-recv rep)))))))
(debug:print-info 0 *default-log-port* "After server, should never see this")
;; server exit stuff here
(let* ((portnum (servdat-port *server-info*)))
(portlogger:open-run-close portlogger:set-port portnum "released")
(rmt:server-shutdown)
;; (bdat-time-to-exit-set! *bdat* #t) ;; tell on-exit to be fast as we've already cleaned up
(portlogger:open-run-close portlogger:set-port port "released") ;; done in rmt:run
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(if (not *server-info*)
(set! *server-info* (make-servdat
host: ipaddrstr
port: portnum)))
(servdat-status-set! *server-info* 'starting)
(servdat-port-set! *server-info* portnum)
(if (not (servdat-rep *server-info*))
(let ((rep (make-rep-socket)))
(servdat-rep-set! *server-info* (nn-socket 'rep)))
(servdat-rep-set! *server-info* rep)
(socket-set! rep 'nng/recvtimeo 2000)))
(let* ((rep (servdat-rep *server-info*)))
(debug:print 0 *default-log-port* "INFO: Trying to start server on " ipaddrstr ":" portnum)
(handle-exceptions
exn
(begin
(print-error-message exn)
(if (< portnum 64000)
(begin
(debug:print 0 *default-log-port* "WARNING: attempt to start server failed. Trying again ...")
(debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
(debug:print 5 *default-log-port* "exn=" (condition->list exn))
(portlogger:open-run-close portlogger:set-failed portnum)
(debug:print 0 *default-log-port* "WARNING: failed to start on portnum: " portnum ", trying next port")
;; (thread-sleep! 0.1)
(rmt:try-start-server ipaddrstr
(portlogger:open-run-close portlogger:find-port)))
(begin
(print "ERROR: Tried and tried but could not start the server, stopping at port "portnum))))
(nn-bind rep (conc "tcp://*:" portnum))
(nng-listen rep (conc "tcp://*:" portnum))
rep)))))
;;======================================================================
;; S E R V E R U T I L I T I E S
;;======================================================================
;;======================================================================
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(set! ret #t))
(loop (read-line inp)))))))
ret))
;;start a server, returns the connection
;;
(define (start-nn-server portnum )
(let ((rep (nn-socket 'rep)))
(let ((rep (make-rep-socket))) ;; (nn-socket 'rep)))
(socket-set! rep 'nng/recvtimeo 2000)
(handle-exceptions
exn
(let ((emsg ((condition-property-accessor 'exn 'message) exn)))
(print "ERROR: Failed to start server \"" emsg "\"")
(exit 1))
(nn-bind rep (conc "tcp://*:" portnum)))
(nng-dial #;nn-bind rep (conc "tcp://*:" portnum)))
rep))
;; open connection to server, send message, close connection
;;
(define (open-send-close-nn host-port msg #!key (timeout 3) ) ;; default timeout is 3 seconds
(let ((req (nn-socket 'req))
(let ((req (make-req-socket 'req))
(uri (conc "tcp://" host-port))
(res #f)
;; (contacts (alist-ref 'contact attrib))
;; (mode (alist-ref 'mode attrib))
)
)
(socket-set! req 'nng/recvtimeo 2000)
(handle-exceptions
exn
(let ((emsg ((condition-property-accessor 'exn 'message) exn)))
;; Send notification
(debug:print 0 *default-log-port* "ERROR: Failed to connect / send to " uri " message was \"" emsg "\"" )
#f)
(nn-connect req uri)
(nng-dial req uri)
;; (print "Connected to the server " )
(nn-send req msg)
(nng-send req msg)
;; (print "Request Sent")
(let* ((th1 (make-thread (lambda ()
(let ((resp (nn-recv req)))
(nn-close req)
(let ((resp (nng-recv req)))
(nng-close! req)
(set! res (if (equal? resp "ok")
#t
#f))))
"recv thread"))
(th2 (make-thread (lambda ()
(thread-sleep! timeout)
(thread-terminate! th1))
"timer thread")))
(thread-start! th1)
(thread-start! th2)
(thread-join! th1)
res))))
(define (open-send-receive-nn host-port msg #!key (timeout 3) ) ;; default timeout is 3 seconds
(let ((req (nn-socket 'req))
(let ((req (make-req-socket))
(uri (conc "tcp://" host-port))
(res #f)
;; (contacts (alist-ref 'contact attrib))
;; (mode (alist-ref 'mode attrib))
)
(handle-exceptions
exn
(let ((emsg ((condition-property-accessor 'exn 'message) exn)))
;; Send notification
(debug:print 0 *default-log-port* "ERROR: Failed to connect / send to " uri " message was \"" emsg "\", exn=" exn)
#f)
(nn-connect req uri)
(nng-dial req uri)
;; (print "Connected to the server " )
(nn-send req msg)
(nng-send req msg)
;; (print "Request Sent")
;; receive code here
;;(print (nn-recv req))
(let* ((th1 (make-thread (lambda ()
(let ((resp (nn-recv req)))
(nn-close req)
(let ((resp (nng-recv req)))
(nng-close! req)
(print resp)
(set! res resp)))
"recv thread"))
(th2 (make-thread (lambda ()
(thread-sleep! timeout)
(thread-terminate! th1))
"timer thread")))
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