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(debug:print 0 "Attempting to start the server ...")
(if (not *toppath*)
(if (not (setup-for-run))
(begin
(debug:print 0 "ERROR: cannot find megatest.config, cannot start server, exiting")
(exit))))
(let* ((zmq-socket #f)
(hostname (if (string=? "-" hostn)
(get-host-name)
hostn))
(ipaddrstr (let ((ipstr (if (string=? "-" hostn)
(string-intersperse (map number->string (u8vector->list (hostname->ip hostname))) ".")
#f)))
(if ipstr ipstr hostname))))
(set! zmq-socket (server:find-free-port-and-open ipaddrstr zmq-socket 5555 0))
(set! *cache-on* #t)
;; what to do when we quit
;;
(on-exit (lambda ()
(if (and *toppath* *server-id*)
(begin
(open-run-close tasks:server-deregister-self tasks:open-db #f))
(let loop ()
(let ((queue-len 0))
(thread-sleep! (random 5))
(mutex-lock! *incoming-mutex*)
(set! queue-len (length *incoming-data*))
(mutex-unlock! *incoming-mutex*)
(if (> queue-len 0)
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(debug:print 0 "Attempting to start the server ...")
(if (not *toppath*)
(if (not (setup-for-run))
(begin
(debug:print 0 "ERROR: cannot find megatest.config, cannot start server, exiting")
(exit))))
(let* ((zmq-socket #f)
(iface (if (string=? "-" hostn)
"*" ;; (get-host-name)
hostn))
(hostname (get-host-name))
(ipaddrstr (let ((ipstr (if (string=? "-" hostn)
(string-intersperse (map number->string (u8vector->list (hostname->ip hostname))) ".")
#f)))
(if ipstr ipstr hostname))))
;; (set! zmq-socket (server:find-free-port-and-open iface zmq-socket 5555 0))
(set! zmq-socket (server:find-free-port-and-open ipaddrstr zmq-socket 5555 0))
(set! *cache-on* #t)
;; what to do when we quit
;;
(on-exit (lambda ()
(if (and *toppath* *server-id*)
(begin
(open-run-close tasks:server-deregister-self tasks:open-db ipaddrstr))
(let loop ()
(let ((queue-len 0))
(thread-sleep! (random 5))
(mutex-lock! *incoming-mutex*)
(set! queue-len (length *incoming-data*))
(mutex-unlock! *incoming-mutex*)
(if (> queue-len 0)
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(set! *time-to-exit* #t)
(open-run-close tasks:server-deregister-self tasks:open-db)
(thread-sleep! 1)
(debug:print-info 0 "Max cached queries was " *max-cache-size*)
(debug:print-info 0 "Server shutdown complete. Exiting")
(exit)))))))
(define (server:find-free-port-and-open host s port #!key (trynum 50))
(let ((s (if s s (make-socket 'rep)))
(p (if (number? port) port 5555)))
(handle-exceptions
exn
(begin
(debug:print 0 "Failed to bind to port " p ", trying next port")
(debug:print 0 " EXCEPTION: " ((condition-property-accessor 'exn 'message) exn))
(if (> trynum 0)
(server:find-free-port-and-open host s (+ p 1) trynum: (- trynum 1))
(debug:print-info 0 "Tried ports from " (- p trynum) " to " p
" but all were in use. Please try a different port range by starting the server with parameter \" -port N\" where N is the starting port number to use")))
(let ((zmq-url (conc "tcp://" host ":" p)))
(print "Trying to start server on " zmq-url)
(bind-socket s zmq-url)
(set! *runremote* #f)
(debug:print 0 "Server started on " zmq-url)
(set! *server-id* (open-run-close tasks:server-register tasks:open-db (current-process-id) host p 0 'live))
s))))
(define (server:mk-signature)
(message-digest-string (md5-primitive)
(with-output-to-string
(lambda ()
(write (list (current-directory)
(argv)))))))
(define (server:get-client-signature)
(if *my-client-signature* *my-client-signature*
(let ((sig (server:mk-signature)))
(set! *my-client-signature* sig)
*my-client-signature*)))
;;
(define (server:client-connect host port #!key (context #f))
(debug:print 3 "client-connect " host ":" port)
(let ((connect-ok #f)
(zmq-socket (if context
(make-socket 'req context)
(make-socket 'req)))
(conurl (server:make-server-url (list host port))))
(if (socket? zmq-socket)
(begin
(connect-socket zmq-socket conurl)
zmq-socket)
#f)))
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(set! *time-to-exit* #t)
(open-run-close tasks:server-deregister-self tasks:open-db)
(thread-sleep! 1)
(debug:print-info 0 "Max cached queries was " *max-cache-size*)
(debug:print-info 0 "Server shutdown complete. Exiting")
(exit)))))))
(define (server:find-free-port-and-open iface s port #!key (trynum 50))
(let ((s (if s s (make-socket 'rep)))
(p (if (number? port) port 5555))
(old-handler (current-exception-handler)))
(handle-exceptions
exn
(begin
(debug:print 0 "Failed to bind to port " p ", trying next port")
(debug:print 0 " EXCEPTION: " ((condition-property-accessor 'exn 'message) exn))
;; (old-handler)
;; (print-call-chain)
(if (> trynum 0)
(server:find-free-port-and-open iface s (+ p 1) trynum: (- trynum 1))
(debug:print-info 0 "Tried ports up to " p
" but all were in use. Please try a different port range by starting the server with parameter \" -port N\" where N is the starting port number to use")))
(let ((zmq-url (conc "tcp://" iface ":" p)))
(print "Trying to start server on " zmq-url)
(bind-socket s zmq-url)
(set! *runremote* #f)
(debug:print 0 "Server started on " zmq-url)
(set! *server-id* (open-run-close tasks:server-register tasks:open-db (current-process-id) iface p 0 'live))
s))))
(define (server:mk-signature)
(message-digest-string (md5-primitive)
(with-output-to-string
(lambda ()
(write (list (current-directory)
(argv)))))))
(define (server:get-client-signature)
(if *my-client-signature* *my-client-signature*
(let ((sig (server:mk-signature)))
(set! *my-client-signature* sig)
*my-client-signature*)))
;;
(define (server:client-connect iface port #!key (context #f))
(debug:print 3 "client-connect " iface ":" port)
(let ((connect-ok #f)
(zmq-socket (if context
(make-socket 'req context)
(make-socket 'req)))
(conurl (server:make-server-url (list iface port))))
(if (socket? zmq-socket)
(begin
(connect-socket zmq-socket conurl)
zmq-socket)
#f)))
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(if (not *toppath*)
(if (not (setup-for-run))
(begin
(debug:print 0 "ERROR: failed to find megatest.config, exiting")
(exit))))
(let ((hostinfo (open-run-close tasks:get-best-server tasks:open-db do-ping: do-ping)))
(if hostinfo
(let ((host (car hostinfo))
(port (cadr hostinfo)))
;; (zsocket (caddr hostinfo)))
;; (set! *runremote* zsocket))
(let* ((host (car hostinfo))
(port (cadr hostinfo)))
(debug:print-info 2 "Setting up to connect to " hostinfo)
(handle-exceptions
exn
(begin
(debug:print 0 "ERROR: Failed to open a connection to the server at: " hostinfo)
(debug:print 0 " EXCEPTION: " ((condition-property-accessor 'exn 'message) exn))
(debug:print 0 " perhaps jobs killed with -9? Removing server records")
(open-run-close tasks:server-deregister tasks:open-db host port: port)
#f)
(let* ((zmq-socket (server:client-connect host port))
(login-res (server:client-login zmq-socket))
(connect-ok (if (null? login-res) #f (car login-res)))
(conurl (server:make-server-url hostinfo)))
(if connect-ok
(begin
(debug:print-info 2 "Logged in and connected to " conurl)
(set! *runremote* zmq-socket)
#t)
(begin
(debug:print-info 2 "Failed to login or connect to " conurl)
(set! *runremote* #f)
#f))))))
(if (> numtries 0)
(let ((exe (car (argv))))
(debug:print-info 1 "No server available, attempting to start one...")
(process-run exe (list "-server" "-" "-debug" (conc *verbosity*)))
(sleep 2)
;; not doing ping, assume the server started and registered itself
(server:client-setup numtries: (- numtries 1) do-ping: #f))
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(if (not *toppath*)
(if (not (setup-for-run))
(begin
(debug:print 0 "ERROR: failed to find megatest.config, exiting")
(exit))))
(let ((hostinfo (open-run-close tasks:get-best-server tasks:open-db do-ping: do-ping)))
(if hostinfo
(let ((host (car hostinfo))
(iface (cadr hostinfo))
(port (caddr hostinfo)))
(debug:print-info 2 "Setting up to connect to " hostinfo)
(handle-exceptions
exn
(begin
(debug:print 0 "ERROR: Failed to open a connection to the server at: " hostinfo)
(debug:print 0 " EXCEPTION: " ((condition-property-accessor 'exn 'message) exn))
(debug:print 0 " perhaps jobs killed with -9? Removing server records")
(open-run-close tasks:server-deregister tasks:open-db host port: port)
#f)
(let* ((zmq-socket (server:client-connect iface port))
(login-res (server:client-login zmq-socket))
(connect-ok (if (null? login-res) #f (car login-res)))
(conurl (server:make-server-url (list iface port))))
(if connect-ok
(begin
(debug:print-info 2 "Logged in and connected to " conurl)
(set! *runremote* zmq-socket)
#t)
(begin
(debug:print-info 2 "Failed to login or connect to " conurl)
(set! *runremote* #f)
#f)))))
(if (> numtries 0)
(let ((exe (car (argv))))
(debug:print-info 1 "No server available, attempting to start one...")
(process-run exe (list "-server" "-" "-debug" (conc *verbosity*)))
(sleep 2)
;; not doing ping, assume the server started and registered itself
(server:client-setup numtries: (- numtries 1) do-ping: #f))
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