/usr/include/kannel/wap/wtp_tid.h is in kannel-dev 1.4.4-2build1.
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* The Kannel Software License, Version 1.0
*
* Copyright (c) 2001-2014 Kannel Group
* Copyright (c) 1998-2001 WapIT Ltd.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Kannel Group (http://www.kannel.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Kannel" and "Kannel Group" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please
* contact org@kannel.org.
*
* 5. Products derived from this software may not be called "Kannel",
* nor may "Kannel" appear in their name, without prior written
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*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Kannel Group. For more information on
* the Kannel Group, please see <http://www.kannel.org/>.
*
* Portions of this software are based upon software originally written at
* WapIT Ltd., Helsinki, Finland for the Kannel project.
*/
/*
* wtp_tid.h - tid verification implementation header
*
* By Aarno Syvänen for WapIT Ltd
*/
#ifndef WTP_TID_H
#define WTP_TID_H
typedef struct WTPCached_tid WTPCached_tid;
#include <math.h>
#include <stdlib.h>
#include "gwlib/gwlib.h"
#include "wap_events.h"
#include "wtp_resp.h"
#define WTP_TID_WINDOW_SIZE (1L << 14)
/*
* Constants defining the result of tid validation
*/
enum {
no_cached_tid,
ok,
fail
};
/*
* Tid cache item consists of initiator identifier and cached tid.
*/
struct WTPCached_tid {
WAPAddrTuple *addr_tuple;
long tid;
};
/*
* Initialize tid cache. MUST be called before calling other functions in this
* module.
*/
void wtp_tid_cache_init(void);
/*
* Shut down the tid cache. MUST be called after tid cache isn't used anymore.
*/
void wtp_tid_cache_shutdown(void);
/*
* Does the tid validation test, by using a simple window mechanism
*
* Returns: no_cached_tid, if the peer has no cached last tid, or the result
* of the test (ok, fail);
*/
int wtp_tid_is_valid(WAPEvent *event, WTPRespMachine *machine);
/*
* Changes the tid value belonging to an existing initiator
*/
void wtp_tid_set_by_machine(WTPRespMachine *machine, long tid);
#endif
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