1 ;;; riece-server.el --- functions to open and close servers
2 ;; Copyright (C) 1998-2003 Daiki Ueno
4 ;; Author: Daiki Ueno <ueno@unixuser.org>
6 ;; Keywords: IRC, riece
8 ;; This file is part of Riece.
10 ;; This program is free software; you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation; either version 2, or (at your option)
15 ;; This program is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
27 (require 'riece-options)
28 (require 'riece-globals) ;for server local variables.
29 (require 'riece-coding) ;riece-default-coding-system
30 (require 'riece-identity)
31 (require 'riece-compat)
34 (defvar riece-server-keyword-map
37 (:nickname riece-nickname)
38 (:username riece-username)
40 (:function #'open-network-stream)
41 (:coding riece-default-coding-system))
42 "Mapping from keywords to default values.
43 All keywords that can be used must be listed here."))
45 (defmacro riece-server-keyword-bind (plist &rest body)
46 "Return a `let' form that binds all variables in PLIST.
47 After this is done, BODY will be executed in the scope
50 The variables bound and their default values are described by
51 the `riece-server-keyword-map' variable."
54 (list (intern (substring (symbol-name (car keyword)) 1))
56 `(or (plist-get ,plist ',(car keyword))
58 `(plist-get ,plist ',(car keyword)))))
59 riece-server-keyword-map)
62 (put 'riece-server-keyword-bind 'lisp-indent-function 1)
63 (put 'riece-server-keyword-bind 'edebug-form-spec '(form body))
65 (defun riece-server-parse-string (string)
66 "Convert a STRING set as `riece-server' and return a property list."
67 (when (or (string-match "^\\[\\([^]]+\\)\\]:?\\([0-9]*\\)" string)
68 (string-match "^\\([^:]+\\):?\\([0-9]*\\)" string))
69 (let ((host (match-string 1 string))
70 (service (match-string 2 string))
71 (password (substring string (match-end 0)))
73 (setq plist (cons `(:host ,host) plist))
74 (unless (equal service "")
75 (setq plist (cons `(:service ,(string-to-int service)) plist)))
76 (unless (equal password "")
77 (setq plist (cons `(:password ,(substring password 1)) plist)))
78 (apply #'nconc plist))))
80 (defun riece-server-name-to-server (server-name)
81 (let ((entry (assoc server-name riece-server-alist)))
83 (unless (listp (cdr entry))
84 (setcdr entry (riece-server-parse-string (cdr entry))))
85 (setq entry (cons server-name (riece-server-parse-string server-name))
86 riece-server-alist (cons entry riece-server-alist)
87 riece-save-variables-are-dirty t))
90 (defun riece-server-process-name (server-name)
91 (if (equal server-name "")
93 (format "IRC<%s>" server-name)))
95 (defun riece-server-process (server-name)
96 (cdr (assoc server-name riece-server-process-alist)))
98 (defmacro riece-with-server-buffer (server-name &rest body)
99 `(let ((process (riece-server-process ,server-name)))
101 (with-current-buffer (process-buffer process)
103 (error "Server closed"))))
105 (put 'riece-with-server-buffer 'lisp-indent-function 1)
107 (defun riece-process-send-string (process string)
108 (with-current-buffer (process-buffer process)
109 (process-send-string process (riece-encode-coding-string string))))
111 (defun riece-current-server-name ()
112 (or riece-overriding-server-name
113 ;already in the server buffer
114 (if (local-variable-p 'riece-server-name (current-buffer))
116 (if riece-current-channel
117 (riece-identity-server riece-current-channel)
118 (if (riece-server-opened "")
121 (defun riece-send-string (string)
122 (let* ((server-name (riece-current-server-name))
123 (process (riece-server-process server-name)))
125 (error "%s" (substitute-command-keys
126 "Type \\[riece-command-open-server] to open server.")))
127 (riece-process-send-string process string)))
129 (defun riece-open-server (server server-name)
130 (riece-server-keyword-bind server
131 (let (selective-display
132 (coding-system-for-read 'binary)
133 (coding-system-for-write 'binary)
135 (if (equal server-name "")
136 (message "Connecting to IRC server...")
137 (message "Connecting to %s..." server-name))
139 (funcall function (riece-server-process-name server-name)
140 (concat " *IRC*" server-name)
142 (if (equal server-name "")
143 (message "Connecting to IRC server...done")
144 (message "Connecting to %s...done" server-name))
145 (riece-reset-process-buffer process)
146 (with-current-buffer (process-buffer process)
147 (setq riece-server-name server-name))
148 (set-process-sentinel process 'riece-sentinel)
149 (set-process-filter process 'riece-filter)
150 (if (equal server-name "")
151 (message "Logging in to IRC server...")
152 (message "Logging in to %s..." server-name))
153 (if riece-reconnect-with-password ;password incorrect or not set.
155 ;; XEmacs signals an error when the keyboard cannot be grabbed.
157 (setq password (riece-read-passwd "Password: "))
159 (setq riece-reconnect-with-password nil)))
161 (riece-process-send-string process
162 (format "PASS %s\r\n" password)))
163 (riece-process-send-string process
164 (format "USER %s * * :%s\r\n"
165 (user-real-login-name)
167 "No information given")))
168 (riece-process-send-string process (format "NICK %s\r\n" nickname))
169 (with-current-buffer (process-buffer process)
170 (setq riece-last-nickname riece-real-nickname
171 riece-nick-accepted 'sent
172 riece-coding-system coding))
173 (setq riece-server-process-alist
174 (cons (cons server-name process)
175 riece-server-process-alist)))))
177 (defun riece-reset-process-buffer (process)
179 (set-buffer (process-buffer process))
180 (if (fboundp 'set-buffer-multibyte)
181 (set-buffer-multibyte nil))
182 (kill-all-local-variables)
183 (make-local-variable 'riece-real-nickname)
184 (make-local-variable 'riece-last-nickname)
185 (make-local-variable 'riece-nick-accepted)
186 (make-local-variable 'riece-real-server-name)
187 (make-local-variable 'riece-real-userhost)
188 (make-local-variable 'riece-user-at-host)
189 (make-local-variable 'riece-user-at-host-type)
190 (make-local-variable 'riece-supported-user-modes)
191 (make-local-variable 'riece-supported-channel-modes)
192 (make-local-variable 'riece-channel-filter)
193 (make-local-variable 'riece-server-name)
194 (make-local-variable 'riece-read-point)
195 (setq riece-read-point (point-min))
196 (make-local-variable 'riece-obarray)
197 (setq riece-obarray (make-vector riece-obarray-size 0))
198 (make-local-variable 'riece-coding-system)
199 (buffer-disable-undo)
202 (defun riece-close-server-process (process)
204 (delete-process process)
205 (kill-buffer (process-buffer process)))
206 (setq riece-server-process-alist
207 (delq (rassq process riece-server-process-alist)
208 riece-server-process-alist)))
210 (defun riece-server-process-opened (process)
211 (not (null (memq (process-status process) '(open run)))))
213 (defun riece-server-opened (&optional server-name)
215 (let ((process (riece-server-process server-name)))
217 (riece-server-process-opened process)))
218 (let ((alist riece-server-process-alist))
221 (if (riece-server-process-opened (cdr (car alist)))
223 (setq alist (cdr alist)))))))
226 (autoload 'riece-exit "riece"))
227 (defun riece-quit-server-process (process &optional message)
228 (run-at-time riece-quit-timeout nil
230 (when (rassq process riece-server-process-alist)
231 (riece-close-server-process process)
232 ;; If no server process is available, exit.
233 (unless riece-server-process-alist
236 (riece-process-send-string process
238 (format "QUIT :%s\r\n" message)
241 (provide 'riece-server)
243 ;;; riece-server.el ends here