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;; PURPOSE.
(require-extension (srfi 18) extras tcp s11n)
(use sqlite3 srfi-1 posix regex regex-case srfi-69 hostinfo md5 message-digest)
(import (prefix sqlite3 sqlite3:))
(use spiffy awful http-client)
(tcp-buffer-size 2048)
(declare (unit server))
(declare (uses common))
(declare (uses db))
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;; PURPOSE.
(require-extension (srfi 18) extras tcp s11n)
(use sqlite3 srfi-1 posix regex regex-case srfi-69 hostinfo md5 message-digest)
(import (prefix sqlite3 sqlite3:))
(use spiffy uri-common intarweb http-client spiffy-request-vars)
(tcp-buffer-size 2048)
(declare (unit server))
(declare (uses common))
(declare (uses db))
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;;======================================================================
;; S E R V E R
;;======================================================================
;; Call this to start the actual server
;;
(define (server:run hostn)
(debug:print 2 "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* (;; (iface (if (string=? "-" hostn)
;; #f ;; (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 hostn))) ;; hostname)))
(start-port (if (args:get-arg "-port")
(string->number (args:get-arg "-port"))
(+ 5000 (random 1001)))))
(set! *cache-on* #t)
(server:try-start-server ipaddrstr start-port)))
(define (server:main-loop)
(print "INFO: Exectuing main server loop")
(access-log "megatest-http.log")
(server-bind-address #f)
(define-page (main-page-path)
(lambda ()
(let ((dat ($ "dat")))
;; (with-request-variables (dat)
(debug:print-info 12 "Got dat=" dat)
(let* ((packet (db:string->obj dat))
(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*)))
(let ((res (open-run-close db:process-queue-item open-db packet)))
(debug:print-info 11 "Return value from db:process-queue-item is " res)
res))))))
;;; (use spiffy uri-common intarweb)
;;;
;;; (root-path "/var/www")
;;;
;;; (vhost-map `(((* any) . ,(lambda (continue)
;;; (if (equal? (uri-path (request-uri (current-request)))
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;;======================================================================
;; S E R V E R
;;======================================================================
;; Call this to start the actual server
;;
(define *db:process-queue-mutex* (make-mutex))
(define (server:run hostn)
(debug:print 2 "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* (;; (iface (if (string=? "-" hostn)
;; #f ;; (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 hostn))) ;; hostname)))
(start-port (if (args:get-arg "-port")
(string->number (args:get-arg "-port"))
(+ 5000 (random 1001))))
(link-tree-path (config-lookup *configdat* "setup" "linktree")))
(set! *cache-on* #t)
(root-path (if link-tree-path
link-tree-path
(current-directory))) ;; WARNING: SECURITY HOLE. FIX ASAP!
(vhost-map `(((* any) . ,(lambda (continue)
(let* (($ (request-vars source: 'both))
(dat ($ 'dat))
(res #f))
(cond
((equal? (uri-path (request-uri (current-request)))
'(/ "hey"))
(send-response body: "hey there!\n"
headers: '((content-type text/plain))))
((equal? (uri-path (request-uri (current-request)))
'(/ "ctrl"))
(let* ((packet (db:string->obj dat))
(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*)))
(mutex-lock! *db:process-queue-mutex*) ;; trying a mutex
(set! res (open-run-close db:process-queue-item open-db packet))
(mutex-unlock! *db:process-queue-mutex*)
(debug:print-info 11 "Return value from db:process-queue-item is " res)
(send-response body: (conc "<head>ctrl data</head>\n<body>"
res
"</body>")
headers: '((content-type text/plain)))))
(else (continue))))))))
(server:try-start-server ipaddrstr start-port)))
;; (define (server:main-loop)
;; (print "INFO: Exectuing main server loop")
;; (access-log "megatest-http.log")
;; (server-bind-address #f)
;; (define-page (main-page-path)
;; (lambda ()
;; (let ((dat ($ "dat")))
;; ;; (with-request-variables (dat)
;; (debug:print-info 12 "Got dat=" dat)
;; (let* ((packet (db:string->obj dat))
;; (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*)))
;; (let ((res (open-run-close db:process-queue-item open-db packet)))
;; (debug:print-info 11 "Return value from db:process-queue-item is " res)
;; res))))))
;;; (use spiffy uri-common intarweb)
;;;
;;; (root-path "/var/www")
;;;
;;; (vhost-map `(((* any) . ,(lambda (continue)
;;; (if (equal? (uri-path (request-uri (current-request)))
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(set! *runremote* (list ipaddrstr portnum))
(open-run-close tasks:remove-server-records tasks:open-db)
(open-run-close tasks:server-register
tasks:open-db
(current-process-id)
ipaddrstr portnum 0 'live)
(print "INFO: Trying to start server on " ipaddrstr ":" portnum)
(awful-start server:main-loop port: portnum) ;; ip-address: ipaddrstr
(print "INFO: server has been stopped")))
(define (server:mk-signature)
(message-digest-string (md5-primitive)
(with-output-to-string
(lambda ()
(write (list (current-directory)
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(set! *runremote* (list ipaddrstr portnum))
(open-run-close tasks:remove-server-records tasks:open-db)
(open-run-close tasks:server-register
tasks:open-db
(current-process-id)
ipaddrstr portnum 0 'live)
(print "INFO: Trying to start server on " ipaddrstr ":" portnum)
;; (awful-start server:main-loop port: portnum) ;; ip-address: ipaddrstr
(start-server port: portnum)
(print "INFO: server has been stopped")))
(define (server:mk-signature)
(message-digest-string (md5-primitive)
(with-output-to-string
(lambda ()
(write (list (current-directory)
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*my-client-signature*)))
;; <html>
;; <head></head>
;; <body>1 Hello, world! Goodbye Dolly</body></html>
;; Send msg to serverdat and receive result
(define (server:client-send-receive serverdat msg)
(let* ((url (server:make-server-url serverdat))
(fullurl url)) ;; (conc url "/?dat=" msg)))
(debug:print-info 11 "fullurl=" fullurl "\n")
(let* ((res (with-input-from-request fullurl
;; #f
;; msg
(list (cons 'dat msg))
read-string)))
(debug:print-info 11 "got res=" res)
(let ((match (string-search (regexp "<body>(.*)<.body>") res)))
(debug:print-info 11 "match=" match)
(let ((final (cadr match)))
(debug:print-info 11 "final=" final)
final)))))
(define (server:client-login serverdat)
(cdb:login serverdat *toppath* (server:get-client-signature)))
;; Not currently used! But, I think it *should* be used!!!
(define (server:client-logout serverdat)
(let ((ok (and (socket? serverdat)
(cdb:logout serverdat *toppath* (server:get-client-signature)))))
;; (close-socket serverdat)
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*my-client-signature*)))
;; <html>
;; <head></head>
;; <body>1 Hello, world! Goodbye Dolly</body></html>
;; Send msg to serverdat and receive result
(define (server:client-send-receive serverdat msg)
(let* ((url (server:make-server-url serverdat))
(fullurl (conc url "/ctrl")) ;; (conc url "/?dat=" msg)))
(numretries 0))
(handle-exceptions
exn
(if (< numretries 200)
(server:client-send-receive serverdat msg))
(begin
(debug:print-info 11 "fullurl=" fullurl "\n")
(max-retry-attempts 100)
(retry-request? (lambda (request)
(thread-sleep! (/ (if (> numretries 100) 100 numretries) 10))
(set! numretries (+ numretries 1))
#t))
(let* ((res (with-input-from-request fullurl
;; #f
;; msg
(list (cons 'dat msg))
read-string)))
(debug:print-info 11 "got res=" res)
(let ((match (string-search (regexp "<body>(.*)<.body>") res)))
(debug:print-info 11 "match=" match)
(let ((final (cadr match)))
(debug:print-info 11 "final=" final)
final)))))))
(define (server:client-login serverdat)
(max-retry-attempts 100)
(cdb:login serverdat *toppath* (server:get-client-signature)))
;; Not currently used! But, I think it *should* be used!!!
(define (server:client-logout serverdat)
(let ((ok (and (socket? serverdat)
(cdb:logout serverdat *toppath* (server:get-client-signature)))))
;; (close-socket serverdat)
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