1 ;;; riece-async.el --- connect to IRC server via asynchronous proxy
2 ;; Copyright (C) 1998-2003 Daiki Ueno
4 ;; Author: Daiki Ueno <ueno@unixuser.org>
5 ;; Keywords: IRC, riece
7 ;; This file is part of Riece.
9 ;; This program is free software; you can redistribute it and/or modify
10 ;; it under the terms of the GNU General Public License as published by
11 ;; the Free Software Foundation; either version 2, or (at your option)
14 ;; This program is distributed in the hope that it will be useful,
15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 ;; GNU General Public License for more details.
19 ;; You should have received a copy of the GNU General Public License
20 ;; along with GNU Emacs; see the file COPYING. If not, write to the
21 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
22 ;; Boston, MA 02111-1307, USA.
26 ;; This program allows to connect IRC server via asynchronous proxy
27 ;; which responds to PING request from server in background.
29 ;; To use, add the following line to your ~/.riece/init.el:
30 ;; (add-to-list 'riece-addons 'riece-async)
32 ;; If you want to enable this feature to per server, write the server
34 ;; (add-to-list 'riece-server-alist
35 ;; '("async" :host "irc.tokyo.wide.ad.jp"
36 ;; :function riece-async-open-network-stream))
40 (defgroup riece-async nil
41 "Connect to IRC server via asynchronous proxy"
45 (defcustom riece-async-ruby-command "ruby"
46 "Command name for Ruby interpreter."
50 (defcustom riece-async-server-program
52 socket = TCPSocket.new(" host ", " service ")
53 $stdout.write(\"NOTICE CONNECTED\r\n\")
56 rfds, = select([socket, $stdin])
57 if rfds.delete(socket)
58 line = socket.gets(\"\r\n\")
60 if line =~ /^(?::[^ ]+ +)?PING +(.+)\r\n/i
61 socket.write(\"PONG #{$1}\r\n\")
68 if rfds.delete($stdin)
69 line = $stdin.gets(\"\r\n\")
78 "Ruby program of asynchronous proxy"
82 (defun riece-async-substitute-variables (program variable value)
83 (setq program (copy-sequence program))
84 (let ((pointer program))
86 (setq pointer (memq variable program))
88 (setcar pointer value)))
92 (defun riece-async-open-network-stream (name buffer host service)
93 (let* ((process-connection-type nil)
94 (process (start-process name buffer "ruby" "-rsocket")))
95 (process-kill-without-query process)
96 (process-send-string process
98 (riece-async-substitute-variables
99 (riece-async-substitute-variables
100 riece-async-server-program
102 (concat "'" host "'"))
104 (if (numberp service)
105 (number-to-string service)
106 (concat "'" service "'")))))
107 (process-send-string process "\0\n") ;input to process is needed
110 (set-buffer (process-buffer process))
111 (while (and (eq (process-status process) 'run)
113 (goto-char (point-min))
114 (not (looking-at "NOTICE CONNECTED"))))
115 (accept-process-output process))))
118 (defun riece-async-insinuate ()
119 (setq riece-default-open-connection-function
120 #'riece-async-open-network-stream))
122 (provide 'riece-async)
124 ;;; riece-rdcc.el ends here