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

   1 ;;; riece-keepalive.el --- keep an IRC connection
   2 ;; Copyright (C) 1998-2004 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 ;;; Commentary:
  26
  27 ;; To use, add the following line to your ~/.riece/init.el:
  28 ;; (add-to-list 'riece-addons 'riece-keepalive)
  29
  30 ;;; Code:
  31
  32 (defvar riece-keepalive-ping-repeat 120)
  33 (defvar riece-keepalive-timer nil)
  34
  35 (defun riece-keepalive-after-login-hook ()
  36   (make-local-variable 'riece-keepalive-timer)
  37   (unless riece-keepalive-timer
  38     (setq riece-keepalive-timer
  39           (riece-run-at-time
  40            riece-keepalive-ping-repeat riece-keepalive-ping-repeat
  41            (lambda (buffer)
  42              (save-excursion
  43                (set-buffer buffer)
  44                (riece-send-string "PING riece-keepalive\r\n")))
  45            (current-buffer)))))
  46
  47 (defun riece-keepalive-after-close-hook ()
  48   (when riece-keepalive-timer
  49     (riece-cancel-timer riece-keepalive-timer)
  50     (setq riece-keepalive-timer nil)))
  51
  52 (defun riece-keepalive-insinuate ()
  53   (add-hook 'riece-after-login-hook #'riece-keepalive-after-login-hook)
  54   (add-hook 'riece-after-close-hook #'riece-keepalive-after-close-hook))
  55
  56 (provide 'riece-keepalive)
  57
  58 ;;; riece-ignore.el ends here