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98 lines
3.9 KiB
98 lines
3.9 KiB
/*
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* $Id$
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*
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* Copyright (C) 2012 Smile Communications, jason.penton@smilecoms.com
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* Copyright (C) 2012 Smile Communications, richard.good@smilecoms.com
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*
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* The initial version of this code was written by Dragos Vingarzan
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* (dragos(dot)vingarzan(at)fokus(dot)fraunhofer(dot)de and the
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* Fruanhofer Institute. It was and still is maintained in a separate
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* branch of the original SER. We are therefore migrating it to
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* Kamailio/SR and look forward to maintaining it from here on out.
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* 2011/2012 Smile Communications, Pty. Ltd.
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* ported/maintained/improved by
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* Jason Penton (jason(dot)penton(at)smilecoms.com and
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* Richard Good (richard(dot)good(at)smilecoms.com) as part of an
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* effort to add full IMS support to Kamailio/SR using a new and
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* improved architecture
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*
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* NB: Alot of this code was originally part of OpenIMSCore,
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* FhG Fokus.
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* Copyright (C) 2004-2006 FhG Fokus
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* Thanks for great work! This is an effort to
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* break apart the various CSCF functions into logically separate
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* components. We hope this will drive wider use. We also feel
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* that in this way the architecture is more complete and thereby easier
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* to manage in the Kamailio/SR environment
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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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*/
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#ifndef __TRANSACTION_H_
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#define __TRANSACTION_H_
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#include <time.h>
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#include "utils.h"
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#include "diameter.h"
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#include "diameter_api.h"
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/** Diameter Transaction representation */
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typedef struct _cdp_trans_t{
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struct timeval started; /**< Time the transaction was created - used to measure response times */
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AAAMsgIdentifier endtoendid; /**< End-to-end id of the messages */
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AAAMsgIdentifier hopbyhopid; /**< Hop-by-hop id of the messages */
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AAATransactionCallback_f *cb; /**< transactional callback function */
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void **ptr; /**< generic pointer to pass to the callback */
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AAAMessage *ans; /**< answer for the transaction */
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time_t expires; /**< time of expiration, when a time-out event will happen */
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int auto_drop; /**< if to drop automatically the transaction on event or to let the app do it later */
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struct _cdp_trans_t *next; /**< the next transaction in the transaction list */
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struct _cdp_trans_t *prev; /**< the previous transaction in the transaction list */
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} cdp_trans_t;
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/** Diameter Transaction list */
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typedef struct {
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gen_lock_t *lock; /**< lock for list operations */
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cdp_trans_t *head,*tail; /**< first, last transactions in the list */
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} cdp_trans_list_t;
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int cdp_trans_init();
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int cdp_trans_destroy();
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inline cdp_trans_t* cdp_add_trans(AAAMessage *msg,AAATransactionCallback_f *cb, void *ptr,int timeout,int auto_drop);
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void del_trans(AAAMessage *msg);
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inline cdp_trans_t* cdp_take_trans(AAAMessage *msg);
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inline void cdp_free_trans(cdp_trans_t *x);
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int cdp_trans_timer(time_t now, void* ptr);
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/* API Exported */
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/** Timeout for Diameter transactions (this is quite big,
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* but increase in case that you have a slow peer) */
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AAATransaction *AAACreateTransaction(AAAApplicationId app_id,AAACommandCode cmd_code);
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typedef AAATransaction * (*AAACreateTransaction_f)(AAAApplicationId app_id,AAACommandCode cmd_code);
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int AAADropTransaction(AAATransaction *trans);
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typedef int (*AAADropTransaction_f)(AAATransaction *trans);
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#endif /*TRANSACTION_H_*/
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