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Copy pathSipTransactionList.cpp
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147 lines (121 loc) · 3.97 KB
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/*
* Copyright (C) 2012 Yee Young Han <websearch@naver.com> (http://blog.naver.com/websearch)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "SipTransactionList.h"
#include "MemoryDebug.h"
int CSipTransactionList::m_arrICTReSendTime[MAX_ICT_RESEND_COUNT] = { 500
, 1500
, 3500
, 7500
, 11500
, 15500
, 19500
, 23500
, 27500
, 31500
, 32000 };
CSipTransactionList::CSipTransactionList() : m_pclsSipStack(NULL)
{
}
CSipTransactionList::~CSipTransactionList()
{
}
/**
* @ingroup SipStack
* @brief Transaction List 를 포함한 CSipStack 객체의 포인터를 저장한다. 재전송 기능을 위해서 CSipStack 객체가 필요하다.
* @param pclsSipStack CSipStack 객체의 포인터
*/
void CSipTransactionList::SetSipStack( CSipStack * pclsSipStack )
{
m_pclsSipStack = pclsSipStack;
}
/**
* @ingroup SipStack
* @brief Transaction List 에 저장할 키를 가져온다.
* @param pclsMessage SIP 메시지 저장 구조체
* @param strKey Transaction List 에 저장할 키
* @returns 성공하면 true 를 리턴하고 그렇지 않으면 false 를 리턴한다.
*/
bool CSipTransactionList::GetKey( CSipMessage * pclsMessage, std::string & strKey )
{
strKey.clear();
if( pclsMessage == NULL ) return false;
SIP_VIA_LIST::iterator itList = pclsMessage->m_clsViaList.begin();
if( itList == pclsMessage->m_clsViaList.end() ) return false;
const char * pszBranch = itList->SelectParamValue( SIP_BRANCH );
if( pszBranch )
{
if( !strncmp( pszBranch, VIA_PREFIX, VIA_PREFIX_LEN ) )
{
strKey.append( pszBranch + VIA_PREFIX_LEN );
strKey.append( " " );
char szNum[11];
snprintf( szNum, sizeof(szNum), "%d", pclsMessage->m_clsCSeq.m_iDigit );
strKey.append( szNum );
if( !strcmp( pclsMessage->m_clsCSeq.m_strMethod.c_str(), SIP_METHOD_ACK ) )
{
strKey.append( SIP_METHOD_INVITE );
}
else
{
strKey.append( pclsMessage->m_clsCSeq.m_strMethod );
}
}
}
if( strKey.empty() )
{
char szCallId[255];
if( pclsMessage->m_clsCallId.ToString( szCallId, sizeof(szCallId) ) == -1 ) return false;
strKey = szCallId;
}
return true;
}
/**
* @ingroup SipStack
* @brief Transaction List 에 저장할 키를 가져온다.
* @param pclsMessage SIP 메시지 저장 구조체
* @param pszMethod SIP Via branch 로 키를 생성할 경우 사용할 SIP 메소드
* @param strKey Transaction List 에 저장할 키
* @returns 성공하면 true 를 리턴하고 그렇지 않으면 false 를 리턴한다.
*/
bool CSipTransactionList::GetKey( CSipMessage * pclsMessage, const char * pszMethod, std::string & strKey )
{
strKey.clear();
if( pclsMessage == NULL ) return false;
SIP_VIA_LIST::iterator itList = pclsMessage->m_clsViaList.begin();
if( itList == pclsMessage->m_clsViaList.end() ) return false;
const char * pszBranch = itList->SelectParamValue( SIP_BRANCH );
if( pszBranch )
{
if( !strncmp( pszBranch, VIA_PREFIX, VIA_PREFIX_LEN ) )
{
strKey.append( pszBranch + VIA_PREFIX_LEN );
strKey.append( " " );
char szNum[11];
snprintf( szNum, sizeof(szNum), "%d", pclsMessage->m_clsCSeq.m_iDigit );
strKey.append( szNum );
strKey.append( pszMethod );
}
}
if( strKey.empty() )
{
char szCallId[255];
if( pclsMessage->m_clsCallId.ToString( szCallId, sizeof(szCallId) ) == -1 ) return false;
strKey = szCallId;
}
return true;
}