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115 lines
2.9 KiB
115 lines
2.9 KiB
/*
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* $Id$
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*
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* Copyright (C) 2006 Voice System SRL
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*
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* This file is part of Kamailio, a free SIP server.
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*
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* Kamailio is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version
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*
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* Kamailio is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* History:
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* --------
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* 2006-04-14 initial version (bogdan)
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*/
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/*!
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* \file
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* \brief Timer related functions for the dialog module
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* \ingroup dialog
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* Module: \ref dialog
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*/
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#ifndef _DIALOG_DLG_TIMER_H_
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#define _DIALOG_DLG_TIMER_H_
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#include "../../locking.h"
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/*! dialog timeout list */
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struct dlg_tl
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{
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struct dlg_tl *next;
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struct dlg_tl *prev;
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volatile unsigned int timeout; /*!< timeout in seconds */
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};
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/*! dialog timer */
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struct dlg_timer
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{
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struct dlg_tl first; /*!< dialog timeout list */
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gen_lock_t *lock; /*!< lock for the list */
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};
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/*! dialog timer handler */
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typedef void (*dlg_timer_handler)(struct dlg_tl *);
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/*!
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* \brief Initialize the dialog timer handler
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* Initialize the dialog timer handler, allocate the lock and a global
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* timer in shared memory. The global timer handler will be set on success.
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* \param hdl dialog timer handler
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* \return 0 on success, -1 on failure
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*/
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int init_dlg_timer(dlg_timer_handler);
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/*!
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* \brief Destroy global dialog timer
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*/
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void destroy_dlg_timer(void);
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/*!
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* \brief Insert a dialog timer to the list
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* \param tl dialog timer list
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* \param interval timeout value in seconds
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* \return 0 on success, -1 when the input timer list is invalid
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*/
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int insert_dlg_timer(struct dlg_tl *tl, int interval);
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/*!
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* \brief Remove a dialog timer from the list
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* \param tl dialog timer that should be removed
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* \return 1 when the input timer is empty, 0 when the timer was removed,
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* -1 when the input timer list is invalid
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*/
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int remove_dialog_timer(struct dlg_tl *tl);
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/*!
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* \brief Update a dialog timer on the list
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* \param tl dialog timer
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* \param timeout new timeout value in seconds
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* \return 0 on success, -1 when the input list is invalid
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* \note the update is implemented as a remove, insert
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*/
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int update_dlg_timer(struct dlg_tl *tl, int timeout);
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/*!
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* \brief Timer routine for expiration of dialogs
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* Timer handler for expiration of dialogs, runs the global timer handler on them.
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* \param time for expiration checks
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* \param attr unused
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*/
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void dlg_timer_routine(unsigned int ticks , void * attr);
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#endif
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