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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 uri-common intarweb)
;; Configurations for server
(tcp-buffer-size 2048)
(max-connections 2048)
(declare (unit http-transport))
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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 uri-common intarweb spiffy-directory-listing)
;; Configurations for server
(tcp-buffer-size 2048)
(max-connections 2048)
(declare (unit http-transport))
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(string->number (config-lookup *configdat* "server" "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!
;; Setup the web server and a /ctrl interface
;;
(vhost-map `(((* any) . ,(lambda (continue)
;; open the db on the first call
(if (not db)(set! db (open-db)))
(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))))
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(string->number (config-lookup *configdat* "server" "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!
(handle-directory spiffy-directory-listing)
;; http-transport:handle-directory) ;; simple-directory-handler)
;; Setup the web server and a /ctrl interface
;;
(vhost-map `(((* any) . ,(lambda (continue)
;; open the db on the first call
(if (not db)(set! db (open-db)))
(let* (($ (request-vars source: 'both))
(dat ($ 'dat))
(res #f))
(cond
;; This is the /ctrl path where data is handed to the server and
;; responses
((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)
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(set! res (db:process-queue-item 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))))))))
(http-transport:try-start-server ipaddrstr start-port)))
;; This is recursively run by http-transport:run until sucessful
;;
(define (http-transport:try-start-server ipaddrstr portnum)
(handle-exceptions
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(set! res (db:process-queue-item 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)))))
((equal? (uri-path (request-uri (current-request)))
'(/ ""))
(send-response body: (http-transport:main-page)))
((equal? (uri-path (request-uri (current-request)))
'(/ "runs"))
(send-response body: (http-transport:main-page)))
((equal? (uri-path (request-uri (current-request)))
'(/ any))
(send-response body: "hey there!\n"
headers: '((content-type text/plain))))
((equal? (uri-path (request-uri (current-request)))
'(/ "hey"))
(send-response body: "hey there!\n"
headers: '((content-type text/plain))))
(else (continue))))))))
(http-transport:try-start-server ipaddrstr start-port)))
;; This is recursively run by http-transport:run until sucessful
;;
(define (http-transport:try-start-server ipaddrstr portnum)
(handle-exceptions
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(thread-sleep! 3) ;; give the flush three seconds to do it's stuff
(debug:print 0 " Done.")
(exit 4))
"exit on ^C timer")))
(thread-start! th2)
(thread-start! th1)
(thread-join! th2))))
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(thread-sleep! 3) ;; give the flush three seconds to do it's stuff
(debug:print 0 " Done.")
(exit 4))
"exit on ^C timer")))
(thread-start! th2)
(thread-start! th1)
(thread-join! th2))))
;;======================================================================
;; web pages
;;======================================================================
(define (http-transport:main-page)
(let ((linkpath (root-path)))
(conc "<head><h1>" (pathname-strip-directory *toppath*) "</h1></head>"
"<body>"
"Run area: " *toppath*
"<h2>Server Stats</h2>"
(http-transport:stats-table)
"<hr>"
(http-transport:runs linkpath)
"<hr>"
(http-transport:run-stats)
"</body>"
)))
(define (http-transport:stats-table)
(mutex-lock! *heartbeat-mutex*)
(let ((res
(conc "<table>"
"<tr><td>Max cached queries</td> <td>" *max-cache-size* "</td></tr>"
"<tr><td>Number of cached writes</td> <td>" *number-of-writes* "</td></tr>"
"<tr><td>Average cached write time</td> <td>" (if (eq? *number-of-writes* 0)
"n/a (no writes)"
(/ *writes-total-delay*
*number-of-writes*))
" ms</td></tr>"
"<tr><td>Number non-cached queries</td> <td>" *number-non-write-queries* "</td></tr>"
"<tr><td>Average non-cached time</td> <td>" (if (eq? *number-non-write-queries* 0)
"n/a (no queries)"
(/ *total-non-write-delay*
*number-non-write-queries*))
" ms</td></tr>"
"<tr><td>Last access</td><td>" (seconds->time-string *last-db-access*) "</td></tr>"
"</table>")))
(mutex-unlock! *heartbeat-mutex*)
res))
(define (http-transport:runs linkpath)
(conc "<h3>Runs</h3>"
(string-intersperse
(let ((files (map pathname-strip-directory (glob (conc linkpath "/*")))))
(map (lambda (p)
(conc "<a href=\"" p "\">" p "</a><br>"))
files))
" ")))
(define (http-transport:run-stats)
(let ((stats (open-run-close db:get-running-stats #f)))
(conc "<table>"
(string-intersperse
(map (lambda (stat)
(conc "<tr><td>" (car stat) "</td><td>" (cadr stat) "</td></tr>"))
stats)
" ")
"</table>")))
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