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 to an IRC server via local proxy
27 ;; which responds to PING requests from server.
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 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 (require 'riece-options)
41 (require 'riece-ruby) ;riece-ruby-command,
42 ;riece-ruby-substitute-variables
44 (defgroup riece-async nil
45 "Connect to IRC server via asynchronous proxy"
49 (defcustom riece-async-server-program
51 orequire 'io/nonblock'
52 socket = TCPSocket.new(" host ", " service ")
53 $stdout.write(\"NOTICE CONNECTED #{$$}\\r\\n\")
55 $stdout.nonblock = true
56 trap('STOP', 'IGNORE')
57 trap('TSTP', 'IGNORE')
61 rfds, wfds, = select([socket, $stdin], wfds_in)
63 until buf.length <= " max-buffer-size "
64 i = buf.index(\"\\r\\n\")
66 buf.slice!(0 .. i + 1)
70 len = $stdout.syswrite(buf)
77 if rfds.include?(socket)
78 line = socket.gets(\"\\r\\n\")
80 if line =~ /^(?::[^ ]+ +)?PING +(.+)\\r\\n/i
81 socket.write(\"PONG #{$1}\\r\\n\")
88 if rfds.include?($stdin)
89 line = $stdin.gets(\"\\r\\n\")
97 "Ruby program of asynchronous proxy."
101 (defcustom riece-async-max-buffer-size 65535
102 "Maximum size of the write buffer."
106 (defconst riece-async-description
107 "Keep IRC connection with external process")
110 (defun riece-async-open-network-stream (name buffer host service)
111 (let* ((process-connection-type nil)
112 (process (start-process name buffer riece-ruby-command "-rsocket")))
113 (process-kill-without-query process)
114 (process-send-string process
115 (riece-ruby-substitute-variables
117 (concat "'" host "'"))
119 (if (numberp service)
120 (number-to-string service)
121 (concat "'" service "'")))
122 (cons 'max-buffer-size
124 riece-async-max-buffer-size)))))
125 (process-send-string process "\0\n") ;input to process is needed
128 (set-buffer (process-buffer process))
129 (while (and (eq (process-status process) 'run)
131 (goto-char (point-min))
132 (not (looking-at (format "NOTICE CONNECTED %d"
133 (process-id process))))))
134 (accept-process-output process))))
137 (defun riece-async-insinuate ()
138 (setq riece-default-open-connection-function
139 #'riece-async-open-network-stream))
141 (provide 'riece-async)
143 ;;; riece-rdcc.el ends here