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SipCallMap.cpp
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511 lines (438 loc) · 14.9 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 "SipCallMap.h"
#include "Log.h"
#include "RtpMap.h"
#include "SipCallDumpSetup.h"
#include "TimeString.h"
#include "MemoryDebug.h"
CSipCallMap gclsCallMap;
extern std::string gstrPhone;
CSipRtpInfo::CSipRtpInfo() : m_iPort(0)
{
}
CSipCallInfo::CSipCallInfo() : m_psttPcap(NULL), m_iInviteTime(0), m_iCancelTime(0), m_iStartTime(0), m_iByeTime(0)
{
}
/**
* @ingroup SipCallDump
* @brief SDP 메시지를 RTP 정보에 저장한다.
* @param pclsSdp SDP 메시지
* @param clsRtpInfo RTP 정보
*/
static void SetRtpInfo( CSdpMessage * pclsSdp, CSipRtpInfo & clsRtpInfo )
{
bool bFound = false;
CSdpMedia * pclsMedia;
clsRtpInfo.m_strIp = pclsSdp->m_clsConnection.m_strAddr;
if( pclsSdp->SelectMedia( "audio", &pclsMedia ) == false )
{
CLog::Print( LOG_ERROR, "%s audio media is not found in SDP", __FUNCTION__ );
return;
}
clsRtpInfo.m_iPort = pclsMedia->m_iPort;
// media 에 connection 정보가 존재하면 이를 RTP 세션의 IP 주소로 설정한다.
if( pclsMedia->m_clsConnection.Empty() == false )
{
clsRtpInfo.m_strIp = pclsMedia->m_clsConnection.m_strAddr;
}
}
/**
* @ingroup SipCallDump
* @brief SIP 메시지에서 SDP 메시지를 가져온다.
* @param clsMessage SIP 메시지
* @param clsSdp [out] SDP 메시지
* @returns 성공하면 true 를 리턴하고 실패하면 false 를 리턴한다.
*/
static bool GetSdp( CSipMessage & clsMessage, CSdpMessage & clsSdp )
{
if( clsMessage.m_iContentLength > 0 )
{
if( clsMessage.m_clsContentType.IsEqual( "application", "sdp" ) )
{
if( clsSdp.Parse( clsMessage.m_strBody.c_str(), clsMessage.m_strBody.length() ) > 0 )
{
return true;
}
}
else
{
CLog::Print( LOG_ERROR, "%s Content-Type is not application/sdp", __FUNCTION__ );
}
}
return false;
}
CSipCallMap::CSipCallMap()
{
}
CSipCallMap::~CSipCallMap()
{
}
/**
* @ingroup SipCallDump
* @brief SIP 패킷을 저장한다.
* @param psttPcap 패킷 캡처 중인 pcap 구조체의 포인터
* @param psttHeader 패킷 캡처한 헤더
* @param pszData 패킷 캡처한 패킷
* @param pszUdpBody UDP body
* @param iUdpBodyLen UDP body 길이
* @returns 성공하면 true 를 리턴하고 실패하면 false 를 리턴한다.
*/
bool CSipCallMap::Insert( pcap_t * psttPcap, struct pcap_pkthdr * psttHeader, const u_char * pszData, const char * pszUdpBody, int iUdpBodyLen )
{
CSipMessage clsMessage;
CLog::Print( LOG_NETWORK, "Sip[%.*s]", iUdpBodyLen, pszUdpBody );
if( clsMessage.Parse( pszUdpBody, iUdpBodyLen ) == false )
{
CLog::Print( LOG_ERROR, "sip parse error" );
return false;
}
return Insert( psttPcap, psttHeader, pszData, &clsMessage );
}
/**
* @ingroup SipCallDump
* @brief SIP 패킷을 저장한다.
* @param psttPcap 패킷 캡처 중인 pcap 구조체의 포인터
* @param psttHeader 패킷 캡처한 헤더
* @param pszData 패킷 캡처한 패킷
* @param pclsMessage SIP 메시지 객체의 포인터
* @returns 성공하면 true 를 리턴하고 실패하면 false 를 리턴한다.
*/
bool CSipCallMap::Insert( pcap_t * psttPcap, struct pcap_pkthdr * psttHeader, const u_char * pszData, CSipMessage * pclsMessage )
{
if( pclsMessage->IsRequest() )
{
if( pclsMessage->IsMethod( "INVITE" ) )
{
CSdpMessage clsSdp;
if( GetSdp( *pclsMessage, clsSdp ) == false )
{
/*
std::string strCallId;
pclsMessage->m_clsCallId.ToString( strCallId );
CLog::Print( LOG_ERROR, "%s INVITE no SDP callid(%s)", __FUNCTION__, strCallId.c_str() );
*/
return false;
}
InsertInvite( psttPcap, psttHeader, pszData, pclsMessage, &clsSdp );
}
else
{
Insert( psttHeader, pszData, pclsMessage );
}
}
else
{
if( pclsMessage->IsMethod( "INVITE" ) )
{
CSdpMessage clsSdp;
if( GetSdp( *pclsMessage, clsSdp ) == false )
{
Insert( psttHeader, pszData, pclsMessage );
}
else
{
InsertInviteResponse( psttHeader, pszData, pclsMessage, &clsSdp );
}
}
else
{
Insert( psttHeader, pszData, pclsMessage );
}
}
return true;
}
/**
* @ingroup SipCallDump
* @brief RTP 패킷을 저장한다.
* @param pszCallId SIP Call-ID
* @param psttHeader 패킷 캡처한 헤더
* @param pszData 패킷 캡처한 패킷
* @returns 성공하면 true 를 리턴하고 실패하면 false 를 리턴한다.
*/
bool CSipCallMap::Insert( const char * pszCallId, struct pcap_pkthdr * psttHeader, const u_char * pszData )
{
SIP_CALL_MAP::iterator itMap;
bool bRes = false;
m_clsMutex.acquire();
itMap = m_clsMap.find( pszCallId );
if( itMap != m_clsMap.end() )
{
bRes = true;
}
m_clsMutex.release();
return bRes;
}
/**
* @ingroup SipCallDump
* @brief 통화 정보를 삭제한다.
* @param pszCallId SIP Call-ID
* @returns 성공하면 true 를 리턴하고 실패하면 false 를 리턴한다.
*/
bool CSipCallMap::Delete( const char * pszCallId )
{
SIP_CALL_MAP::iterator itMap;
bool bRes = false;
m_clsMutex.acquire();
itMap = m_clsMap.find( pszCallId );
if( itMap != m_clsMap.end() )
{
Erase( itMap );
bRes = true;
}
m_clsMutex.release();
return bRes;
}
/**
* @ingroup SipCallDump
* @brief 모든 통화 정보를 삭제한다.
*/
void CSipCallMap::DeleteAll( )
{
SIP_CALL_MAP::iterator itMap, itNext;
m_clsMutex.acquire();
for( itMap = m_clsMap.begin(); itMap != m_clsMap.end(); ++itMap )
{
gclsRtpMap.Delete( itMap->second.m_clsFromRtp.m_strIp.c_str(), itMap->second.m_clsFromRtp.m_iPort );
gclsRtpMap.Delete( itMap->second.m_clsToRtp.m_strIp.c_str(), itMap->second.m_clsToRtp.m_iPort );
}
m_clsMap.clear();
m_clsMutex.release();
}
/**
* @ingroup SipCallDump
* @brief SIP INVITE 요청 메시지 정보를 저장한다.
* @param psttPcap 패킷 캡처 중인 pcap 구조체의 포인터
* @param psttHeader 패킷 캡처한 헤더
* @param pszData 패킷 캡처한 패킷
* @param pclsMessage SIP 메시지
* @param pclsSdp SDP 메시지
* @returns 성공하면 true 를 리턴하고 실패하면 false 를 리턴한다.
*/
bool CSipCallMap::InsertInvite( pcap_t * psttPcap, struct pcap_pkthdr * psttHeader, const u_char * pszData, CSipMessage * pclsMessage, CSdpMessage * pclsSdp )
{
SIP_CALL_MAP::iterator itMap;
std::string strCallId;
if( pclsMessage->GetCallId( strCallId ) == false )
{
CLog::Print( LOG_ERROR, "%s pclsMessage->GetCallId() error", __FUNCTION__ );
return false;
}
if( gstrPhone.empty() == false )
{
if( strcmp( pclsMessage->m_clsFrom.m_clsUri.m_strUser.c_str(), gstrPhone.c_str() ) && strcmp( pclsMessage->m_clsTo.m_clsUri.m_strUser.c_str(), gstrPhone.c_str() ) )
{
return false;
}
}
m_clsMutex.acquire();
itMap = m_clsMap.find( strCallId );
if( itMap == m_clsMap.end() )
{
CSipCallInfo clsCallInfo;
clsCallInfo.m_strFromId = pclsMessage->m_clsFrom.m_clsUri.m_strUser;
clsCallInfo.m_strToId = pclsMessage->m_clsTo.m_clsUri.m_strUser;
SetRtpInfo( pclsSdp, clsCallInfo.m_clsFromRtp );
time( &clsCallInfo.m_iInviteTime );
m_clsMap.insert( SIP_CALL_MAP::value_type( strCallId, clsCallInfo ) );
}
else
{
CSipRtpInfo clsRtpInfo;
SetRtpInfo( pclsSdp, clsRtpInfo );
if( !strcmp( itMap->second.m_strFromId.c_str(), pclsMessage->m_clsFrom.m_clsUri.m_strUser.c_str() ) )
{
if( itMap->second.m_clsFromRtp.Equal( clsRtpInfo ) == false )
{
char szLog[1024];
snprintf( szLog, sizeof(szLog), "caller rtp change (%s:%d) => (%s:%d)\n", itMap->second.m_clsFromRtp.m_strIp.c_str(), itMap->second.m_clsFromRtp.m_iPort, clsRtpInfo.m_strIp.c_str(), clsRtpInfo.m_iPort );
itMap->second.m_strLog.append( szLog );
gclsRtpMap.Delete( itMap->second.m_clsFromRtp.m_strIp.c_str(), itMap->second.m_clsFromRtp.m_iPort );
itMap->second.m_clsFromRtp = clsRtpInfo;
gclsRtpMap.Insert( itMap->second.m_clsFromRtp.m_strIp.c_str(), itMap->second.m_clsFromRtp.m_iPort, strCallId.c_str() );
}
}
else
{
if( itMap->second.m_clsToRtp.Equal( clsRtpInfo ) == false )
{
char szLog[1024];
snprintf( szLog, sizeof(szLog), "callee rtp change (%s:%d) => (%s:%d)\n", itMap->second.m_clsToRtp.m_strIp.c_str(), itMap->second.m_clsToRtp.m_iPort, clsRtpInfo.m_strIp.c_str(), clsRtpInfo.m_iPort );
itMap->second.m_strLog.append( szLog );
gclsRtpMap.Delete( itMap->second.m_clsToRtp.m_strIp.c_str(), itMap->second.m_clsToRtp.m_iPort );
itMap->second.m_clsToRtp = clsRtpInfo;
gclsRtpMap.Insert( itMap->second.m_clsToRtp.m_strIp.c_str(), itMap->second.m_clsToRtp.m_iPort, strCallId.c_str() );
}
}
}
m_clsMutex.release();
return true;
}
/**
* @ingroup SipCallDump
* @brief SIP INVITE 응답 메시지 정보를 저장한다.
* @param psttHeader 패킷 캡처한 헤더
* @param pszData 패킷 캡처한 패킷
* @param pclsMessage SIP 메시지
* @param pclsSdp SDP 메시지
* @returns 성공하면 true 를 리턴하고 실패하면 false 를 리턴한다.
*/
bool CSipCallMap::InsertInviteResponse( struct pcap_pkthdr * psttHeader, const u_char * pszData, CSipMessage * pclsMessage, CSdpMessage * pclsSdp )
{
SIP_CALL_MAP::iterator itMap;
std::string strCallId;
if( pclsMessage->GetCallId( strCallId ) == false )
{
CLog::Print( LOG_ERROR, "%s pclsMessage->GetCallId() error", __FUNCTION__ );
return false;
}
m_clsMutex.acquire();
itMap = m_clsMap.find( strCallId );
if( itMap != m_clsMap.end() )
{
if( itMap->second.m_iStartTime == 0 )
{
// ReINVITE 응답을 처리하지 않는다.
time( &itMap->second.m_iStartTime );
if( itMap->second.m_clsToRtp.m_iPort )
{
gclsRtpMap.Delete( itMap->second.m_clsToRtp.m_strIp.c_str(), itMap->second.m_clsToRtp.m_iPort );
}
SetRtpInfo( pclsSdp, itMap->second.m_clsToRtp );
gclsRtpMap.Insert( itMap->second.m_clsFromRtp.m_strIp.c_str(), itMap->second.m_clsFromRtp.m_iPort, strCallId.c_str() );
gclsRtpMap.Insert( itMap->second.m_clsToRtp.m_strIp.c_str(), itMap->second.m_clsToRtp.m_iPort, strCallId.c_str() );
}
else
{
CSipRtpInfo clsRtpInfo;
SetRtpInfo( pclsSdp, clsRtpInfo );
if( !strcmp( itMap->second.m_strFromId.c_str(), pclsMessage->m_clsFrom.m_clsUri.m_strUser.c_str() ) )
{
if( itMap->second.m_clsToRtp.Equal( clsRtpInfo ) == false )
{
char szLog[1024];
snprintf( szLog, sizeof(szLog), "callee rtp change (%s:%d) => (%s:%d)\n", itMap->second.m_clsToRtp.m_strIp.c_str(), itMap->second.m_clsToRtp.m_iPort, clsRtpInfo.m_strIp.c_str(), clsRtpInfo.m_iPort );
itMap->second.m_strLog.append( szLog );
gclsRtpMap.Delete( itMap->second.m_clsToRtp.m_strIp.c_str(), itMap->second.m_clsToRtp.m_iPort );
itMap->second.m_clsToRtp = clsRtpInfo;
gclsRtpMap.Insert( itMap->second.m_clsToRtp.m_strIp.c_str(), itMap->second.m_clsToRtp.m_iPort, strCallId.c_str() );
}
}
else
{
if( itMap->second.m_clsFromRtp.Equal( clsRtpInfo ) == false )
{
char szLog[1024];
snprintf( szLog, sizeof(szLog), "caller rtp change (%s:%d) => (%s:%d)\n", itMap->second.m_clsFromRtp.m_strIp.c_str(), itMap->second.m_clsFromRtp.m_iPort, clsRtpInfo.m_strIp.c_str(), clsRtpInfo.m_iPort );
itMap->second.m_strLog.append( szLog );
gclsRtpMap.Delete( itMap->second.m_clsFromRtp.m_strIp.c_str(), itMap->second.m_clsFromRtp.m_iPort );
itMap->second.m_clsFromRtp = clsRtpInfo;
gclsRtpMap.Insert( itMap->second.m_clsFromRtp.m_strIp.c_str(), itMap->second.m_clsFromRtp.m_iPort, strCallId.c_str() );
}
}
}
}
m_clsMutex.release();
return true;
}
/**
* @ingroup SipCallDump
* @brief INVITE 요청/응답을 제외한 SIP 패킷을 저장한다.
* @param psttHeader 패킷 캡처한 헤더
* @param pszData 패킷 캡처한 패킷
* @param pclsMessage SIP 메시지
* @returns 성공하면 true 를 리턴하고 실패하면 false 를 리턴한다.
*/
bool CSipCallMap::Insert( struct pcap_pkthdr * psttHeader, const u_char * pszData, CSipMessage * pclsMessage )
{
SIP_CALL_MAP::iterator itMap;
std::string strCallId;
bool bRes = false;
if( pclsMessage->GetCallId( strCallId ) == false )
{
CLog::Print( LOG_ERROR, "%s pclsMessage->GetCallId() error", __FUNCTION__ );
return false;
}
m_clsMutex.acquire();
itMap = m_clsMap.find( strCallId );
if( itMap != m_clsMap.end() )
{
bool bDelete = false;
if( pclsMessage->IsRequest() )
{
if( pclsMessage->IsMethod( "CANCEL" ) )
{
time( &itMap->second.m_iCancelTime );
}
else if( pclsMessage->IsMethod( "ACK" ) )
{
if( itMap->second.m_iCancelTime )
{
bDelete = true;
}
}
else if( pclsMessage->IsMethod( "BYE" ) )
{
time( &itMap->second.m_iByeTime );
}
}
else
{
if( pclsMessage->IsMethod( "BYE" ) )
{
bDelete = true;
}
}
if( bDelete )
{
Erase( itMap );
}
bRes = true;
}
m_clsMutex.release();
return bRes;
}
/**
* @ingroup SipCallDump
* @brief 자료구조에서 삭제한다.
* @param itMap 삭제 대상 iterator
*/
void CSipCallMap::Erase( SIP_CALL_MAP::iterator & itMap )
{
CRtpInfo clsFromRtp, clsToRtp;
if( gclsRtpMap.Select( itMap->second.m_clsFromRtp.m_strIp.c_str(), itMap->second.m_clsFromRtp.m_iPort, clsFromRtp ) == false )
{
CLog::Print( LOG_ERROR, "from rtp(%s:%d) is not found", itMap->second.m_clsFromRtp.m_strIp.c_str(), itMap->second.m_clsFromRtp.m_iPort );
}
if( gclsRtpMap.Select( itMap->second.m_clsToRtp.m_strIp.c_str(), itMap->second.m_clsToRtp.m_iPort, clsToRtp ) == false )
{
CLog::Print( LOG_ERROR, "to rtp(%s:%d) is not found", itMap->second.m_clsToRtp.m_strIp.c_str(), itMap->second.m_clsToRtp.m_iPort );
}
printf( "callid[%s] from[%s] to[%s]\n", itMap->first.c_str(), itMap->second.m_strFromId.c_str(), itMap->second.m_strToId.c_str() );
printf( " - rtp(%s:%d)=>(%s:%d) count(%d)\n", itMap->second.m_clsToRtp.m_strIp.c_str(), itMap->second.m_clsToRtp.m_iPort
, itMap->second.m_clsFromRtp.m_strIp.c_str(), itMap->second.m_clsFromRtp.m_iPort, clsFromRtp.m_iRtpCount );
printf( " - rtp(%s:%d)=>(%s:%d) count(%d)\n", itMap->second.m_clsFromRtp.m_strIp.c_str(), itMap->second.m_clsFromRtp.m_iPort
, itMap->second.m_clsToRtp.m_strIp.c_str(), itMap->second.m_clsToRtp.m_iPort, clsToRtp.m_iRtpCount );
if( itMap->second.m_strLog.empty() == false )
{
printf( " - log[%s]\n", itMap->second.m_strLog.c_str() );
}
gclsRtpMap.Delete( itMap->second.m_clsFromRtp.m_strIp.c_str(), itMap->second.m_clsFromRtp.m_iPort );
gclsRtpMap.Delete( itMap->second.m_clsToRtp.m_strIp.c_str(), itMap->second.m_clsToRtp.m_iPort );
m_clsMap.erase( itMap );
}