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SipStack.cpp
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460 lines (391 loc) · 11.4 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 "SipStack.h"
#include "SipStackThread.h"
#include "SipDeleteQueue.h"
#include "SipTcpMessage.h"
#include "SipTlsMessage.h"
#include "SipQueue.h"
#include "TimeUtility.h"
#include "Log.h"
#include "MemoryDebug.h"
#include "SipStackCallBack.hpp"
#include "SipStackComm.hpp"
/**
* @ingroup SipStack
* @brief 생성자 - 내부 변수를 초기화시키고 transaction list 와 SIP stack 을 연결시킨다.
*/
CSipStack::CSipStack()
{
m_bStopEvent = false;
m_bStackThreadRun = false;
m_hUdpSocket = INVALID_SOCKET;
m_hTcpSocket = INVALID_SOCKET;
#ifdef USE_TLS
m_hTlsSocket = INVALID_SOCKET;
#endif
m_bStarted = false;
m_iUdpThreadRunCount = 0;
m_iTcpThreadRunCount = 0;
m_clsICT.SetSipStack( this );
m_clsNICT.SetSipStack( this );
m_clsIST.SetSipStack( this );
m_clsNIST.SetSipStack( this );
m_pclsSecurityCallBack = NULL;
}
/**
* @ingroup SipStack
* @brief 소멸자
*/
CSipStack::~CSipStack()
{
}
/**
* @ingroup SipStack
* @brief SIP stack 을 시작한다. SIP stack 쓰레드와 network 수신 쓰레드를 시작한다.
* @param clsSetup SIP stack 설정 항목 저장 객체
* @returns 성공하면 true 를 리턴하고 실패하면 false 를 리턴한다.
*/
bool CSipStack::Start( CSipStackSetup & clsSetup )
{
if( m_bStarted || m_bStopEvent ) return false;
if( clsSetup.Check() == false ) return false;
m_clsSetup = clsSetup;
m_clsICT.SetTimerD( m_clsSetup.m_iTimerD );
m_clsNIST.SetTimerJ( m_clsSetup.m_iTimerJ );
m_clsTcpConnectMap.SetStateful( m_clsSetup.m_bStateful );
#ifdef USE_TLS
m_clsTlsConnectMap.SetStateful( m_clsSetup.m_bStateful );
#endif
InitNetwork();
if( m_clsSetup.m_iLocalUdpPort > 0 )
{
m_hUdpSocket = UdpListen( m_clsSetup.m_iLocalUdpPort, NULL, m_clsSetup.m_bIpv6 );
if( m_hUdpSocket == INVALID_SOCKET ) return false;
if( m_clsSetup.m_iUdpBufSize > 0 )
{
int iBufSize = 0;
int iIntSize = sizeof(iBufSize);
getsockopt( m_hUdpSocket, SOL_SOCKET, SO_SNDBUF, (char *)&iBufSize, (socklen_t*)&iIntSize );
CLog::Print( LOG_DEBUG, "UDP SendBufferSize = %d", iBufSize );
setsockopt( m_hUdpSocket, SOL_SOCKET, SO_SNDBUF, (char *)&m_clsSetup.m_iUdpBufSize, iIntSize );
iBufSize = 0;
getsockopt( m_hUdpSocket, SOL_SOCKET, SO_SNDBUF, (char *)&iBufSize, (socklen_t*)&iIntSize );
CLog::Print( LOG_SYSTEM, "UDP SendBufferSize = %d", iBufSize );
iBufSize = 0;
getsockopt( m_hUdpSocket, SOL_SOCKET, SO_RCVBUF, (char *)&iBufSize, (socklen_t*)&iIntSize );
CLog::Print( LOG_DEBUG, "UDP RecvBufferSize = %d", iBufSize );
setsockopt( m_hUdpSocket, SOL_SOCKET, SO_RCVBUF, (char *)&m_clsSetup.m_iUdpBufSize, iIntSize );
iBufSize = 0;
getsockopt( m_hUdpSocket, SOL_SOCKET, SO_RCVBUF, (char *)&iBufSize, (socklen_t*)&iIntSize );
CLog::Print( LOG_SYSTEM, "UDP RecvBufferSize = %d", iBufSize );
}
}
if( m_clsSetup.m_iLocalTcpPort > 0 )
{
m_hTcpSocket = TcpListen( m_clsSetup.m_iLocalTcpPort, 255, NULL, m_clsSetup.m_bIpv6 );
if( m_hTcpSocket == INVALID_SOCKET )
{
CLog::Print( LOG_ERROR, "TcpListen(%d) error", m_clsSetup.m_iLocalTcpPort );
_Stop();
return false;
}
m_clsTcpThreadList.SetMaxSocketPerThread( m_clsSetup.m_iTcpMaxSocketPerThread );
if( m_clsTcpThreadList.Init( m_clsSetup.m_iTcpThreadCount, m_clsSetup.m_iTcpThreadCount, SipTcpThread, this ) == false )
{
_Stop();
return false;
}
if( StartSipTcpListenThread( this ) == false )
{
_Stop();
return false;
}
}
#ifdef USE_TLS
if( m_clsSetup.m_iLocalTlsPort > 0 )
{
if( SSLServerStart( m_clsSetup.m_strCertFile.c_str(), m_clsSetup.m_strCaCertFile.c_str() ) == false )
{
_Stop();
return false;
}
m_hTlsSocket = TcpListen( m_clsSetup.m_iLocalTlsPort, 255, NULL, m_clsSetup.m_bIpv6 );
if( m_hTlsSocket == INVALID_SOCKET )
{
CLog::Print( LOG_ERROR, "TcpListen(%d) error", m_clsSetup.m_iLocalTlsPort );
_Stop();
return false;
}
m_clsTlsThreadList.SetMaxSocketPerThread( m_clsSetup.m_iTcpMaxSocketPerThread );
if( m_clsTlsThreadList.Init( m_clsSetup.m_iTcpThreadCount, m_clsSetup.m_iTcpThreadCount, SipTlsThread, this ) == false )
{
_Stop();
return false;
}
if( StartSipTlsListenThread( this ) == false )
{
_Stop();
return false;
}
}
else if( m_clsSetup.m_bTlsClient )
{
if( SSLClientStart( ) == false )
{
_Stop();
return false;
}
m_clsTlsThreadList.SetMaxSocketPerThread( m_clsSetup.m_iTcpMaxSocketPerThread );
if( m_clsTlsThreadList.Init( m_clsSetup.m_iTcpThreadCount, m_clsSetup.m_iTcpThreadCount, SipTlsThread, this ) == false )
{
_Stop();
return false;
}
}
#endif
if( m_clsSetup.m_iLocalUdpPort > 0 )
{
if( StartSipUdpThread( this ) == false )
{
_Stop();
return false;
}
}
if( m_clsSetup.m_bStateful )
{
if( StartSipStackThread( this ) == false )
{
_Stop();
return false;
}
}
if( m_clsSetup.m_iTcpCallBackThreadCount > 0 )
{
for( int i = 0; i < m_clsSetup.m_iTcpCallBackThreadCount; ++i )
{
if( StartSipQueueThread( this ) == false )
{
_Stop();
return false;
}
}
}
m_bStarted = true;
return true;
}
/**
* @ingroup SipStack
* @brief SIP stack 을 중지시킨다.
* @returns 성공하면 true 를 리턴하고 SIP stack 이 실행되지 않았거나 종료 이벤트 처리 중이면 false 를 리턴한다.
*/
bool CSipStack::Stop( )
{
if( m_bStarted == false || m_bStopEvent ) return false;
_Stop();
m_clsCallBackList.clear();
m_bStarted = false;
return true;
}
/**
* @ingroup SipStack
* @brief SIP stack 을 실행한다.
* SIP stack 이 관리하는 Transaction List 를 주기적으로 점검하여서 Re-Transmit 또는 Timeout 등을 처리하기 위해서 본 함수를 20ms 간격으로 호출해 주어야 한다.
* @param psttTime 현재 시간
* @returns true 를 리턴한다.
*/
bool CSipStack::Execute( struct timeval * psttTime )
{
m_clsICT.Execute( psttTime );
m_clsIST.Execute( psttTime );
m_clsNICT.Execute( psttTime );
m_clsNIST.Execute( psttTime );
return true;
}
/**
* @ingroup SipStack
* @brief UDP SIP 메시지 수신 쓰레드 개수를 증가시킨다.
* @param iThreadId UDP SIP 메시지 수신 쓰레드 개수를 증가시키기 전에 UDP SIP 메시지 수신 쓰레드 개수를 저장할 변수
*/
void CSipStack::IncreateUdpThreadCount( int & iThreadId )
{
m_clsMutex.acquire();
iThreadId = m_iUdpThreadRunCount;
++m_iUdpThreadRunCount;
m_clsMutex.release();
}
/**
* @ingroup SipStack
* @brief UDP SIP 메시지 수신 쓰레드 개수를 감소시킨다.
*/
void CSipStack::DecreateUdpThreadCount()
{
m_clsMutex.acquire();
--m_iUdpThreadRunCount;
m_clsMutex.release();
}
/**
* @ingroup SipStack
* @brief TCP SIP 메시지 수신 쓰레드 개수를 증가시킨다.
* @param iThreadId UDP SIP 메시지 수신 쓰레드 개수를 증가시키기 전에 UDP SIP 메시지 수신 쓰레드 개수를 저장할 변수
*/
void CSipStack::IncreateTcpThreadCount( int & iThreadId )
{
m_clsMutex.acquire();
iThreadId = m_iTcpThreadRunCount;
++m_iTcpThreadRunCount;
m_clsMutex.release();
}
/**
* @ingroup SipStack
* @brief TCP SIP 메시지 수신 쓰레드 개수를 감소시킨다.
*/
void CSipStack::DecreateTcpThreadCount()
{
m_clsMutex.acquire();
--m_iTcpThreadRunCount;
m_clsMutex.release();
}
/**
* @ingroup SipStack
* @brief Transaction List 의 정보를 문자열에 저장한다.
* @param strBuf 문자열 변수
*/
void CSipStack::GetString( CMonitorString & strBuf )
{
strBuf.Clear();
strBuf.AddCol( m_clsICT.GetSize() );
strBuf.AddCol( m_clsNICT.GetSize() );
strBuf.AddCol( m_clsIST.GetSize() );
strBuf.AddCol( m_clsNIST.GetSize() );
strBuf.AddCol( gclsSipDeleteQueue.GetSize() );
strBuf.AddCol( gclsSipDeleteQueue.GetCacheSize() );
strBuf.AddCol( m_clsICT.GetCallIdCount() );
strBuf.AddRow( m_clsIST.GetCallIdCount() );
}
/**
* @ingroup SipStack
* @brief Invite Client Transaction 정보를 문자열에 저장한다.
* @param strBuf 문자열 변수
*/
void CSipStack::GetICTString( CMonitorString & strBuf )
{
m_clsICT.GetString( strBuf );
}
/**
* @ingroup SipStack
* @brief 프로세스가 종료될 때에 최종적으로 실행하여서 openssl 메모리 누수를 출력하지 않는다.
*/
void CSipStack::Final()
{
#ifdef USE_TLS
SSLFinal();
#endif
}
/**
* @ingroup SipStack
* @brief 모든 SIP transaction 을 삭제한다.
*/
void CSipStack::DeleteAllTransaction()
{
m_clsICT.DeleteAll();
m_clsNICT.DeleteAll();
m_clsIST.DeleteAll();
m_clsNIST.DeleteAll();
gclsSipDeleteQueue.DeleteAll();
}
/**
* @ingroup SipStack
* @brief ICT transcation map 을 가져온다.
* @param clsMap [out] transcation map 저장 변수
*/
void CSipStack::GetICTMap( INVITE_TRANSACTION_MAP & clsMap )
{
m_clsICT.GetTransactionMap( clsMap );
}
void CSipStack::PrintReSendCount()
{
printf( "ReSendCount ICT(%u) IST(%u) NICT(%u) NIST(%u)\n", m_clsICT.GetReSendCount(), m_clsIST.GetReSendCount(), m_clsNICT.GetReSendCount(), m_clsNIST.GetReSendCount() );
}
/**
* @ingroup SipStack
* @brief UDP SIP 메시지 수신 쓰레드에 종료 SIP 메시지를 전송하고 SIP stack 쓰레드에 종료 이벤트를 설정한 후, 모든 쓰레드가 종료할 때까지 대기한 후,
* 소켓 핸들을 종료시킨다.
* @returns true 를 리턴한다.
*/
bool CSipStack::_Stop( )
{
m_bStopEvent = true;
if( m_clsSetup.m_iLocalUdpPort > 0 )
{
// SIP 메시지 수신 쓰레드가 N 개 실행되므로 N 초 대기하는 것을 방지하기 위한 코드이다.
Socket hSocket = UdpSocket();
if( hSocket != INVALID_SOCKET )
{
for( int i = 0; i < m_clsSetup.m_iUdpThreadCount; ++i )
{
UdpSend( hSocket, "\r\n", 2, "127.0.0.1", m_clsSetup.m_iLocalUdpPort );
}
closesocket( hSocket );
}
}
gclsSipQueue.BroadCast();
// 모든 쓰레드가 종료할 때까지 대기한다.
while( m_iUdpThreadRunCount > 0 || m_iTcpThreadRunCount > 0 || m_bStackThreadRun || GetTcpConnectingCount() > 0 )
{
MiliSleep( 20 );
}
if( m_hUdpSocket != INVALID_SOCKET )
{
closesocket( m_hUdpSocket );
m_hUdpSocket = INVALID_SOCKET;
}
if( m_hTcpSocket != INVALID_SOCKET )
{
closesocket( m_hTcpSocket );
m_hTcpSocket = INVALID_SOCKET;
}
m_clsTcpThreadList.Final();
m_clsTcpSocketMap.DeleteAll();
#ifdef USE_TLS
if( m_hTlsSocket != INVALID_SOCKET )
{
closesocket( m_hTlsSocket );
m_hTlsSocket = INVALID_SOCKET;
}
m_clsTlsThreadList.Final();
m_clsTlsSocketMap.DeleteAll();
SSLServerStop();
#endif
DeleteAllTransaction();
m_bStopEvent = false;
return true;
}
/**
* @ingroup SipStack
* @brief TCP/TLS 연결 진행중인 쓰레드 개수를 리턴한다.
* @returns TCP/TLS 연결 진행중인 쓰레드 개수를 리턴한다.
*/
int CSipStack::GetTcpConnectingCount( )
{
int iCount = m_clsTcpConnectMap.GetSize();
#ifdef USE_TLS
iCount += m_clsTlsConnectMap.GetSize();
#endif
return iCount;
}