cgit.sxemacs.org Git - riece/blob - lisp/riece-server.el

   1 ;;; riece-server.el --- functions to open and close servers
   2 ;; Copyright (C) 1998-2003 Daiki Ueno
   3
   4 ;; Author: Daiki Ueno <ueno@unixuser.org>
   5 ;; Created: 1998-09-28
   6 ;; Keywords: IRC, riece
   7
   8 ;; This file is part of Riece.
   9
  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)
  13 ;; any later version.
  14
  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.
  19
  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.
  24
  25 ;;; Code:
  26
  27 (require 'riece-options)
  28 (require 'riece-globals)                ;for server local variables.
  29 (require 'riece-coding)                 ;riece-default-coding-system
  30
  31 (eval-and-compile
  32   (defvar riece-server-keyword-map
  33     '((:host)
  34       (:service 6667)
  35       (:nickname riece-nickname)
  36       (:username riece-username)
  37       (:password)
  38       (:function #'open-network-stream)
  39       (:coding riece-default-coding-system))
  40     "Mapping from keywords to default values.
  41 All keywords that can be used must be listed here."))
  42
  43 (defmacro riece-server-keyword-bind (plist &rest body)
  44   "Return a `let' form that binds all variables in PLIST.
  45 After this is done, BODY will be executed in the scope
  46 of the `let' form.
  47
  48 The variables bound and their default values are described by
  49 the `riece-server-keyword-map' variable."
  50   `(let ,(mapcar
  51           (lambda (keyword)
  52             (list (intern (substring (symbol-name (car keyword)) 1))
  53                   (if (cadr keyword)
  54                       `(or (plist-get ,plist ',(car keyword))
  55                            ,(cadr keyword))
  56                     `(plist-get ,plist ',(car keyword)))))
  57           riece-server-keyword-map)
  58      ,@body))
  59
  60 (put 'riece-server-keyword-bind 'lisp-indent-function 1)
  61 (put 'riece-server-keyword-bind 'edebug-form-spec '(form body))
  62
  63 (defun riece-clear-system ()
  64   (while riece-buffer-list
  65     (if (and (get-buffer (car riece-buffer-list))
  66              (buffer-live-p (car riece-buffer-list)))
  67         (funcall riece-buffer-dispose-function (car riece-buffer-list)))
  68     (setq riece-buffer-list (cdr riece-buffer-list)))
  69   (setq riece-current-channels nil
  70         riece-current-channel nil
  71         riece-user-indicator nil
  72         riece-channel-indicator "None"
  73         riece-channel-list-indicator "No channel"
  74         riece-away-indicator "-"
  75         riece-operator-indicator "-"
  76         riece-freeze-indicator "-")
  77   (delete-other-windows))
  78
  79 (defun riece-server-parse-string (string)
  80   "Convert a STRING set as `riece-server' and return a property list."
  81   (when (or (string-match "^\\[\\([^]]+\\)\\]:?\\([0-9]*\\)" string)
  82             (string-match "^\\([^:]+\\):?\\([0-9]*\\)" string))
  83     (let ((host (match-string 1 string))
  84           (service (match-string 2 string))
  85           (password (substring string (match-end 0)))
  86           plist)
  87       (setq plist (cons `(:host ,host) plist))
  88       (unless (equal service "")
  89         (setq plist (cons `(:service ,(string-to-int service)) plist)))
  90       (unless (equal password "")
  91         (setq plist (cons `(:password ,(substring password 1)) plist)))
  92       (apply #'nconc plist))))
  93
  94 (defun riece-server-name-to-server (server-name)
  95   (let ((entry (assoc server-name riece-server-alist)))
  96     (if entry
  97         (unless (listp (cdr entry))
  98           (setcdr entry (riece-server-parse-string (cdr entry))))
  99       (setq entry (cons server-name (riece-server-parse-string server-name))
 100             riece-server-alist (cons entry riece-server-alist)
 101             riece-save-variables-are-dirty t))
 102     (cdr entry)))
 103
 104 (defun riece-server-process-name (server-name)
 105   (if (equal server-name "")
 106       "IRC"
 107     (format "IRC<%s>" server-name)))
 108
 109 (defun riece-server-process (server-name)
 110   (get-process (riece-server-process-name server-name)))
 111
 112 (defmacro riece-with-server-buffer (server-name &rest body)
 113   `(let ((process (riece-server-process ,server-name)))
 114      (if process
 115          (with-current-buffer (process-buffer process)
 116            ,@body)
 117        (error "Server closed"))))
 118
 119 (put 'riece-with-server-buffer 'lisp-indent-function 1)
 120
 121 (defun riece-process-send-string (process string)
 122   (with-current-buffer (process-buffer process)
 123     (process-send-string process (riece-encode-coding-string string))))
 124
 125 (defun riece-send-string (string)
 126   (let* ((server-name
 127           (or riece-overriding-server-name
 128                                         ;already in the server buffer
 129               (if (local-variable-p 'riece-server-name (current-buffer))
 130                   riece-server-name
 131                 (if riece-current-channel
 132                     (riece-identity-server riece-current-channel)
 133                   (if (riece-server-opened "")
 134                       "")))))
 135          (process (riece-server-process server-name)))
 136     (unless process
 137       (error "%s" (substitute-command-keys
 138                    "Type \\[riece-command-open-server] to open server.")))
 139     (riece-process-send-string process string)))
 140
 141 (defun riece-open-server (server server-name)
 142   (if (equal server-name "")
 143       (message "Connecting to IRC server...")
 144     (message "Connecting to %s..." server-name))
 145   (riece-server-keyword-bind server
 146     (let* (selective-display
 147            (coding-system-for-read 'binary)
 148            (coding-system-for-write 'binary)
 149            (process
 150             (funcall function (riece-server-process-name server-name)
 151                      (concat " *IRC*" server-name)
 152                      host service)))
 153       (riece-reset-process-buffer process)
 154       (with-current-buffer (process-buffer process)
 155         (setq riece-server-name server-name))
 156       (set-process-sentinel process 'riece-sentinel)
 157       (set-process-filter process 'riece-filter)
 158       (if (or password
 159               riece-reconnect-with-password)
 160           (riece-process-send-string process
 161                                      (format "PASS %s\r\n"
 162                                              (or password
 163                                                  (riece-read-passwd
 164                                                   "Password: ")))))
 165       (riece-process-send-string process
 166                                  (format "USER %s * * :%s\r\n"
 167                                          (user-real-login-name)
 168                                          (or username
 169                                              "No information given")))
 170       (riece-process-send-string process (format "NICK %s\r\n" nickname))
 171       (with-current-buffer (process-buffer process)
 172         (setq riece-last-nickname riece-real-nickname
 173               riece-nick-accepted 'sent
 174               riece-coding-system coding))
 175       (setq riece-process-list
 176             (cons process riece-process-list))))
 177   (if (equal server-name "")
 178       (message "Connecting to IRC server...done")
 179     (message "Connecting to %s...done" server-name)))
 180
 181 (defun riece-reset-process-buffer (process)
 182   (save-excursion
 183     (set-buffer (process-buffer process))
 184     (if (fboundp 'set-buffer-multibyte)
 185         (set-buffer-multibyte nil))
 186     (kill-all-local-variables)
 187     (make-local-variable 'riece-real-nickname)
 188     (make-local-variable 'riece-last-nickname)
 189     (make-local-variable 'riece-nick-accepted)
 190     (make-local-variable 'riece-real-server-name)
 191     (make-local-variable 'riece-real-userhost)
 192     (make-local-variable 'riece-user-at-host)
 193     (make-local-variable 'riece-user-at-host-type)
 194     (make-local-variable 'riece-supported-user-modes)
 195     (make-local-variable 'riece-supported-channel-modes)
 196     (make-local-variable 'riece-channel-filter)
 197     (make-local-variable 'riece-server-name)
 198     (make-local-variable 'riece-read-point)
 199     (setq riece-read-point (point-min))
 200     (make-local-variable 'riece-obarray)
 201     (setq riece-obarray (make-vector riece-obarray-size 0))
 202     (make-local-variable 'riece-coding-system)
 203     (buffer-disable-undo)
 204     (erase-buffer)))
 205
 206 (defun riece-close-server-process (process)
 207   (if riece-debug
 208       (delete-process process)
 209     (kill-buffer (process-buffer process)))
 210   (setq riece-process-list (delq process riece-process-list)))
 211
 212 (defun riece-server-opened (&optional server-name)
 213   (let ((process-list riece-process-list))
 214     (catch 'found
 215       (while process-list
 216         (if (memq (process-status (car process-list)) '(open run))
 217             (throw 'found t))
 218         (setq process-list (cdr process-list))))))
 219
 220 (provide 'riece-server)
 221
 222 ;;; riece-server.el ends here