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 ;; NOTE: This is an add-on module for Riece.
  28
  29 ;;; Code:
  30
  31 (require 'riece-options)
  32
  33 (defgroup riece-keepalive nil
  34   "Keep an IRC connection."
  35   :prefix "riece-"
  36   :group 'riece)
  37
  38 (defcustom riece-keepalive-ping-repeat 120
  39   "Interval for sending PING to server."
  40   :type 'integer
  41   :group 'riece-keepalive)
  42
  43 (defvar riece-keepalive-timer nil)
  44
  45 (defconst riece-keepalive-description
  46   "Keep an IRC connection.")
  47
  48 (defun riece-keepalive-after-login-hook ()
  49   (make-local-variable 'riece-keepalive-timer)
  50   (unless riece-keepalive-timer
  51     (setq riece-keepalive-timer
  52           (riece-run-at-time
  53            riece-keepalive-ping-repeat riece-keepalive-ping-repeat
  54            (lambda (buffer)
  55              (save-excursion
  56                (set-buffer buffer)
  57                (riece-send-string "PING riece-keepalive\r\n")))
  58            (current-buffer)))))
  59
  60 (defun riece-keepalive-after-close-hook ()
  61   (when riece-keepalive-timer
  62     (riece-cancel-timer riece-keepalive-timer)
  63     (setq riece-keepalive-timer nil)))
  64
  65 (defun riece-keepalive-insinuate ()
  66   (add-hook 'riece-after-login-hook 'riece-keepalive-after-login-hook)
  67   (add-hook 'riece-after-close-hook 'riece-keepalive-after-close-hook))
  68
  69 (defun riece-keepalive-uninstall ()
  70   (remove-hook 'riece-after-login-hook 'riece-keepalive-after-login-hook)
  71   (remove-hook 'riece-after-close-hook 'riece-keepalive-after-close-hook))
  72
  73 (provide 'riece-keepalive)
  74
  75 ;;; riece-ignore.el ends here