Megatest

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Comment:http sucks version. well, my implementation using spiffy and http-client sucks.
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SHA1: f7d6060988651d72fe51ee0062434686e908b6c8
User & Date: mrwellan on 2013-01-17 12:05:56
Other Links: branch diff | manifest | tags
Context
2013-01-25
23:55
Got http-server running clean against test1 check-in: d294210580 user: matt tags: http-transport
2013-01-17
12:05
http sucks version. well, my implementation using spiffy and http-client sucks. check-in: f7d6060988 user: mrwellan tags: http-transport
01:04
Added basic client/server example using spiffy instead of awful check-in: 2763433f17 user: matt tags: http-transport
Changes
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Modified Makefile from [be8dc8c4a5] to [a4b44c1e54].

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ADTLSCR=mt_laststep mt_runstep mt_ezstep
HELPERS=$(addprefix $(PREFIX)/bin/,$(ADTLSCR))
DEPLOYHELPERS=$(addprefix $(DEPLOYTARG)/,$(ADTLSCR))
MTESTHASH=$(shell fossil info|grep checkout:| awk '{print $$2}')
all : mtest dboard

mtest: $(OFILES) megatest.o
	csc -heap-size 1m $(CSCOPTS) $(OFILES) megatest.o -o mtest

dboard : $(OFILES) $(GOFILES)
	csc $(OFILES) $(GOFILES) -o dboard

$(DEPLOYTARG)/megatest : $(OFILES) megatest.o
	csc -deployed $(CSCOPTS) $(OFILES) megatest.o -o $(DEPLOYTARG)/megatest









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ADTLSCR=mt_laststep mt_runstep mt_ezstep
HELPERS=$(addprefix $(PREFIX)/bin/,$(ADTLSCR))
DEPLOYHELPERS=$(addprefix $(DEPLOYTARG)/,$(ADTLSCR))
MTESTHASH=$(shell fossil info|grep checkout:| awk '{print $$2}')
all : mtest dboard

mtest: $(OFILES) megatest.o
	csc $(CSCOPTS) $(OFILES) megatest.o -o mtest

dboard : $(OFILES) $(GOFILES)
	csc $(OFILES) $(GOFILES) -o dboard

$(DEPLOYTARG)/megatest : $(OFILES) megatest.o
	csc -deployed $(CSCOPTS) $(OFILES) megatest.o -o $(DEPLOYTARG)/megatest
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Modified server.scm from [a4f710adb8] to [0b00fa3bb5].

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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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Modified testhttp/testserver.scm from [732291ecba] to [02c28bc9cb]. 

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(use spiffy uri-common intarweb spiffy-request-vars)

(root-path "/var/www")

(vhost-map `(((* any) . ,(lambda (continue)
                           (let (($ (request-vars source: 'both)))
                           (print ($ 'dat))
                           (if (equal? (uri-path (request-uri (current-request))) 
                                       '(/ "hey"))
                               (send-response body: "hey there!\n"
                                              headers: '((content-type text/plain)))
                               (continue)))))))

(start-server port: 12345)









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(use spiffy uri-common intarweb spiffy-request-vars)

(root-path "/var/www")

(vhost-map `(((* any) . ,(lambda (continue)
                           (let (($ (request-vars source: 'both)))
			     (print ($ 'dat))
			     (if (equal? (uri-path (request-uri (current-request))) 
					 '(/ "hey"))
				 (send-response body: "hey there!\n"
						headers: '((content-type text/plain)))
				 (continue)))))))

(start-server port: 12345)

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