Be more flexible with paths; use $SUNETHOME and $SSAXPATH if set or
reasonable default values if not. In particular, work around the dependency of config on cwd.
This commit is contained in:
interp
parent
1abbed29f0
commit
7dde62cd1a
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@ -1,11 +1,37 @@
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; reads package description in the right order
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; in the end, the server can be started via (main '())
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; in the end, the server can be started via (server)
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(batch 'on)
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(config)
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(load "/home/andreas/hiwi/sunet/packages.scm")
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(load "/home/andreas/hiwi/sunet/SSAX/lib/packages.scm")
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(load "/home/andreas/hiwi/sunet/httpd/servlets/packages.scm")
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(load "/home/andreas/hiwi/sunet/httpd/servlets/start-servlet-server")
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(define *ASSUMED-SUNET-HOME*
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(in 'scsh '(run (match:substring
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(regexp-search (rx (submatch (* any) "sunet")) (cwd))
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1))))
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(define *SUNET-PACKAGE*
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(in 'scsh `(run (string-append
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(or (getenv "SUNETHOME")
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,*ASSUMED-SUNET-HOME*)
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"/packages.scm"))))
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(define *SSAX-PACKAGE*
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(in 'scsh `(run (string-append
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(or (getenv "SSAXPATH")
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(string-append ,*ASSUMED-SUNET-HOME* "/SSAX"))
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"/lib/packages.scm"))))
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(define *SERLVET-PACKAGE*
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(in 'scsh `(run (string-append
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(or (getenv "SUNETHOME")
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,*ASSUMED-SUNET-HOME*)
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"/httpd/servlets/packages.scm"))))
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(define *SERVLET-SERVER*
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(in 'scsh `(run (string-append
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(or (getenv "SUNETHOME")
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,*ASSUMED-SUNET-HOME*)
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"/httpd/servlets/start-servlet-server"))))
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(config `(load ,*SUNET-PACKAGE*))
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(config `(load ,*SSAX-PACKAGE*))
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(config `(load ,*SERLVET-PACKAGE*))
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(config `(load ,*SERVLET-SERVER*))
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(user)
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(open 'servlet-server)
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(batch 'off)
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(in 'scsh '(run (display "type (server) to start the server\n")))
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@ -1,10 +1,17 @@
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#!/bin/sh
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echo "Loading..."
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exec scsh -lm ${SUNETHOME:-../..}/packages.scm -lm ${SUNETHOME:-../..}/httpd/servlets/packages.scm -lm ${SSAXPATH:-${SUNETHOME:-../..}/SSAX}/lib/packages.scm -dm -o servlet-server -e main -s "$0" "$@"
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fullpath=`which $0`
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# $sunet is either $SUNETHOME or created out of fullpath
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# Kind of a hack, I know.
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sunet=${SUNETHOME:-`dirname $fullpath`/../..}
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ssax=${SSAXPATH:-$sunet/SSAX} # path to SSAX
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exec scsh -lm $sunet/packages.scm -lm $ssax/lib/packages.scm -lm $sunet/httpd/servlets/packages.scm -dm -o servlet-server -e main -s "$0" "$@"
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!#
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(define-structure servlet-server
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(export main)
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(export main ; sh jump entry point
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server) ; scsh entry point
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(open httpd-core
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httpd-make-options
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httpd-basic-handlers
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@ -22,15 +29,15 @@ exec scsh -lm ${SUNETHOME:-../..}/packages.scm -lm ${SUNETHOME:-../..}/httpd/ser
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(define (usage)
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(format #f
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"Usage: start-web-server [-h htdocs-dir] [-c cgi-bin-dir] [-p port]
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"Usage: start-web-server [-h htdocs-dir] [-s servlet-dir] [-p port]
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[-l log-file-name] [-r requests] [--help]
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with
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htdocs-dir directory of html files (default: web-server/root/htdocs)
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cgi-bin-dir directory of cgi files (default: web-server/root/cgi-bin)
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htdocs-dir directory of html files (default: ./web-server/root/htdocs)
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servlet-dir directory of servlet files (default: ./web-server/root/servlets)
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port port server is listening to (default: 8080)
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log-file-name directory where to store the logfile in CLF
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(default: web-server/httpd.log)
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(default: ./web-server/httpd.log)
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requests maximal amount of simultaneous requests (default 5)
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--help show this help
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@ -39,7 +46,7 @@ exec scsh -lm ${SUNETHOME:-../..}/packages.scm -lm ${SUNETHOME:-../..}/httpd/ser
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))
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(define htdocs-dir #f)
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(define cgi-bin-dir #f)
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; (define cgi-bin-dir #f)
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(define port #f)
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(define log-file-name #f)
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(define root #f)
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@ -47,14 +54,22 @@ exec scsh -lm ${SUNETHOME:-../..}/packages.scm -lm ${SUNETHOME:-../..}/httpd/ser
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(define simultaneous-requests #f)
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(define (init)
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(set! htdocs-dir "web-server/root/htdocs")
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(set! cgi-bin-dir "web-server/root/cgi-bin")
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(set! htdocs-dir "./web-server/root/htdocs")
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; (set! cgi-bin-dir "./web-server/root/cgi-bin")
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(set! port "8088")
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(set! log-file-name "web-server/httpd.log")
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(set! root "web-server/root")
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(set! servlet-dir "web-server/root/servlets")
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(set! log-file-name "./web-server/httpd.log")
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(set! root "./web-server/root")
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(set! servlet-dir "./web-server/root/servlets")
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(set! simultaneous-requests "5"))
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(define (normalize-options)
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(set! htdocs-dir (absolute-file-name htdocs-dir))
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(set! log-file-name (absolute-file-name log-file-name))
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; (set! cgi-bin-dir (absolute-file-name cgi-bin-dir))
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(set! port (string->number port))
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(set! servlet-dir (absolute-file-name servlet-dir))
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(set! simultaneous-requests (string->number simultaneous-requests)))
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(define get-options
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(let* ((unknown-option-error
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(lambda (option)
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@ -71,13 +86,7 @@ exec scsh -lm ${SUNETHOME:-../..}/packages.scm -lm ${SUNETHOME:-../..}/httpd/ser
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(lambda (options)
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(let loop ((options options))
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(if (null? options)
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(begin
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(set! htdocs-dir (absolute-file-name htdocs-dir))
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(set! log-file-name (absolute-file-name log-file-name))
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(set! cgi-bin-dir (absolute-file-name cgi-bin-dir))
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(set! port (string->number port))
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(set! servlet-dir (absolute-file-name servlet-dir))
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(set! simultaneous-requests (string->number simultaneous-requests)))
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(normalize-options)
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(cond
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((string=? (car options) "-h")
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(if (null? (cdr options))
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@ -123,6 +132,10 @@ exec scsh -lm ${SUNETHOME:-../..}/packages.scm -lm ${SUNETHOME:-../..}/httpd/ser
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(else
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(unknown-option-error (car options)))))))))
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(define (server . args)
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(if (pair? args)
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(main `(main ,@(car args)))
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(main '(main))))
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(define (main args)
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(init)
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@ -134,7 +147,7 @@ exec scsh -lm ${SUNETHOME:-../..}/packages.scm -lm ${SUNETHOME:-../..}/httpd/ser
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(format #t "Going to run Servlet server with:
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htdocs-dir: ~a
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cgi-bin-dir: ~a
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servlet-dir: ~a
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port: ~a
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log-file-name: ~a
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a maximum of ~a simultaneous requests, syslogging activated,
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@ -143,13 +156,13 @@ exec scsh -lm ${SUNETHOME:-../..}/packages.scm -lm ${SUNETHOME:-../..}/httpd/ser
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NOTE: This is the Servlet server. It does not support cgi.
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"
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htdocs-dir
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cgi-bin-dir
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servlet-dir
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port
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log-file-name
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simultaneous-requests)
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(httpd (with-port port
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; (with-root-directory (absolute-file-name "./web-server/root")
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(with-root-directory (cwd)
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(with-simultaneous-requests simultaneous-requests
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(with-syslog? #t
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(with-logfile log-file-name
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@ -163,7 +176,7 @@ exec scsh -lm ${SUNETHOME:-../..}/packages.scm -lm ${SUNETHOME:-../..}/httpd/ser
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; "Generated by info-gateway"))
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; (cons "cgi-bin" (cgi-handler cgi-bin-dir))
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(cons "servlet" (servlet-handler servlet-dir)))
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(rooted-file-or-directory-handler htdocs-dir)))))))))
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(rooted-file-or-directory-handler htdocs-dir))))))))))
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))
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;; EOF
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@ -34,14 +34,14 @@
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(lambda (path req)
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(if (pair? path) ; need at least one element
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(let ((request-method (request:method req))
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(full-path (uri-path-list->path path)))
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(path-string (uri-path-list->path path)))
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(cond
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((string=? full-path "profile") ; triggers profiling
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((string=? path-string "profile") ; triggers profiling
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(http-syslog (syslog-level debug)
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"profiling: triggered in servlet-handler [~a]"
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(profile-space)) ; PROFILE
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(make-http-error-response http-status/accepted req "profiled"))
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((string=? full-path "reset") ; triggers cache clearing
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((string=? path-string "reset") ; triggers cache clearing
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(http-syslog (syslog-level debug)
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"servlet-handler: clearing plugin cache")
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(reset-plugin-cache!)
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@ -52,26 +52,24 @@
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((or (string=? request-method "GET")
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; (string=? request-method "POST")) ; do this at later time
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)
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(with-cwd
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servlet-path
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(if (resume-url? full-path)
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(resume-url full-path req)
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(launch-new-instance full-path req))))
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(if (resume-url? path-string)
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(resume-url path-string servlet-path req)
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(launch-new-instance path-string servlet-path req)))
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(else
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(make-http-error-response http-status/method-not-allowed req
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request-method))))
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(make-http-error-response http-status/bad-request req
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(format #f "Bad path: ~s" path)))))
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(define (launch-new-instance full-path req)
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(if (file-not-exists? full-path)
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(make-http-error-response http-status/not-found req full-path)
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(define (launch-new-instance path-string servlet-path req)
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(if (file-not-exists? (absolute-file-name path-string servlet-path))
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(make-http-error-response http-status/not-found req path-string)
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(begin
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(obtain-lock *instance-table-lock*)
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;; no access to instance table until new instance-id is saved
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(let ((instance-id (generate-new-table-id *instance-table*)))
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(table-set! *instance-table* instance-id
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(make-instance full-path ; used to make
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(make-instance path-string ; used to make
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; redirections to origin
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(make-integer-table) ; continuation table
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(make-lock) ; continuation table lock
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@ -82,23 +80,25 @@
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(instance-delete! instance-id)
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(decline))
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(lambda ()
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(get-plugin-rt-structure full-path)))))
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(get-plugin-rt-structure path-string servlet-path)))))
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(reset
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(begin
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(register-session! instance-id 'no-return)
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(with-cwd
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servlet-path
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(with-names-from-rt-structure
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plugin plugin-interface
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(main req)))))))))
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(main req))))))))))
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;; try to get continuation-table and then the continuation
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(define resume-url
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(let ((bad-request
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(lambda (full-path req)
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(lambda (path-string req)
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(make-http-error-response
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http-status/bad-request req
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(format #f "The servlet does not accept any requests any more or your URL is illformed.<BR>
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You can try starting at the <A HREF=~a>beginning</a>."
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(resume-url-servlet-name full-path)))))
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(resume-url-servlet-name path-string)))))
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(lookup-continuation-table
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(lambda (instance continuation-table continuation-id)
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(let ((continuation-table-lock (instance-continuation-table-lock instance)))
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@ -107,22 +107,23 @@ You can try starting at the <A HREF=~a>beginning</a>."
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(release-lock continuation-table-lock)
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result)))))
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(lambda (full-path req)
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(lambda (path-string servlet-path req)
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(receive (instance-id continuation-id)
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(resume-url-ids full-path)
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(resume-url-ids path-string)
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(let ((instance (instance-lookup instance-id)))
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(if instance
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(let* ((continuation-table (instance-continuation-table instance))
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(resume (lookup-continuation-table instance continuation-table
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continuation-id)))
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(if resume
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(with-cwd
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servlet-path
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(reset
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(begin
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(register-session! instance-id 'no-return)
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; (error "This may never return." ; for debugging
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(resume req)))
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(bad-request full-path req)))
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(bad-request full-path req)))
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(resume req))))
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(bad-request path-string req)))
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(bad-request path-string req)))
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))))
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@ -182,12 +183,13 @@ You can try starting at the <A HREF=~a>beginning</a>."
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; PLUGINs CACHE
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(define *plugin-table* (make-string-table)) ; full-path is index
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(define *plugin-table* (make-string-table)) ; path-string is index
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(define *plugin-table-lock* (make-lock))
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;; PLUGIN-NAME is like "news-dir/latest-news.scm"
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(define (get-plugin-rt-structure plugin-name)
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(let ((load-plugin
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(define (get-plugin-rt-structure plugin-name directory)
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(let* ((full-plugin-name (absolute-file-name plugin-name directory))
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(load-plugin
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(lambda ()
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(with-fatal-error-handler*
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(lambda (condition decline)
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@ -196,21 +198,22 @@ You can try starting at the <A HREF=~a>beginning</a>."
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(lambda ()
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;; load-config-file does not care about cwd(?)
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;; --> absolute file name needed
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(load-config-file (absolute-file-name plugin-name))
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(load-config-file full-plugin-name)
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;; plugin-structure to load must be named "plugin"
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(let ((plugin-structure (reify-structure 'plugin)))
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(format #t "cwd: ~s~%" (cwd))
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(load-structure plugin-structure)
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(table-set! *plugin-table* plugin-name
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(table-set! *plugin-table* full-plugin-name
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(cons plugin-structure
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(file-last-mod plugin-name)))
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(file-last-mod full-plugin-name)))
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;; only now the lock may be released
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(release-lock *plugin-table-lock*)
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plugin-structure))))))
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(obtain-lock *plugin-table-lock*)
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(let ((plugin (table-ref *plugin-table* plugin-name)))
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(let ((plugin (table-ref *plugin-table* full-plugin-name)))
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(if plugin
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(if (equal? (file-last-mod plugin-name)
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(if (equal? (file-last-mod full-plugin-name)
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(cdr plugin))
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(begin
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(release-lock *plugin-table-lock*)
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@ -263,8 +266,8 @@ You can try starting at the <A HREF=~a>beginning</a>."
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";k" (submatch (* digit)) ; Instance-ID
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";c" (+ digit) "-" (submatch (* digit)))) ; Continuation-ID
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(define (make-resume-url full-path instance-id continuation-counter continuation-id)
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(string-append full-path
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(define (make-resume-url path-string instance-id continuation-counter continuation-id)
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(string-append path-string
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";k" (number->string (session-instance-id))
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";c" (number->string continuation-counter)
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"-" (number->string continuation-id)))
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@ -134,7 +134,7 @@ exec scsh -lm packages.scm -dm -o http-test -e main -s "$0" "$@"
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simultaneous-requests)
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(httpd (with-port port
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; (with-root-directory (absolute-file-name "./web-server/root")
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(with-root-directory (cwd)
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(with-simultaneous-requests simultaneous-requests
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(with-syslog? #t
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(with-logfile log-file-name
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@ -147,8 +147,9 @@ exec scsh -lm packages.scm -dm -o http-test -e main -s "$0" "$@"
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(cons "info" (info-handler #f #f #f
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"Generated by info-gateway"))
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(cons "cgi-bin" (cgi-handler cgi-bin-dir)))
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(rooted-file-or-directory-handler htdocs-dir)))))))))
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(rooted-file-or-directory-handler htdocs-dir))))))))))
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))
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;; EOF
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;;; Local Variables:
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@ -119,13 +119,14 @@ exec scsh -lm packages.scm -dm -o http-test -e main -s "$0" "$@"
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log-file-name)
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(httpd (with-port port
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(with-root-directory (cwd)
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(with-syslog? #t
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(with-logfile log-file-name
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(with-request-handler
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(tilde-home-dir-handler "public_html"
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(alist-path-dispatcher
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(list (cons "cgi" (cgi-handler cgi-bin-dir)))
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(rooted-file-or-directory-handler htdocs-dir)))))))))
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(rooted-file-or-directory-handler htdocs-dir))))))))))
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))
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;; EOF
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Reference in New Issue