143 lines
3.4 KiB
C++
143 lines
3.4 KiB
C++
![]() |
/**
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* engine.cpp
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* Yet Another SIP Stack
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* This file is part of the YATE Project http://YATE.null.ro
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*
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* Yet Another Telephony Engine - a fully featured software PBX and IVR
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* Copyright (C) 2004 Null Team
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*
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* This program 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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* This program 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., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <telengine.h>
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#include <string.h>
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#include <stdlib.h>
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#include <ysip.h>
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using namespace TelEngine;
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SIPParty::SIPParty()
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{
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Debug(DebugAll,"SIPParty::SIPParty() [%p]",this);
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}
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SIPParty::~SIPParty()
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{
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Debug(DebugAll,"SIPParty::~SIPParty() [%p]",this);
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}
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SIPEvent::SIPEvent(SIPMessage* message, SIPTransaction* transaction)
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: m_message(message), m_transaction(transaction),
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m_state(SIPTransaction::Invalid)
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{
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Debug(DebugAll,"SIPEvent::SIPEvent(%p,%p) [%p]",message,transaction,this);
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if (m_message)
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m_message->ref();
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if (m_transaction) {
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m_transaction->ref();
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m_state = m_transaction->getState();
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}
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}
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SIPEvent::~SIPEvent()
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{
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Debugger debug(DebugAll,"SIPEvent::~SIPEvent"," [%p]",this);
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if (m_transaction)
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m_transaction->deref();
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if (m_message)
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m_message->deref();
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}
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SIPEngine::SIPEngine()
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{
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Debug(DebugInfo,"SIPEngine::SIPEngine() [%p]",this);
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}
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SIPEngine::~SIPEngine()
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{
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Debug(DebugInfo,"SIPEngine::~SIPEngine() [%p]",this);
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}
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bool SIPEngine::addMessage(SIPParty* ep, const char *buf, int len)
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{
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Debug("SIPEngine",DebugInfo,"addMessage(%p,%d) [%p]",buf,len,this);
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SIPMessage* msg = SIPMessage::fromParsing(ep,buf,len);
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if (ep)
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ep->deref();
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if (msg) {
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bool ok = addMessage(msg);
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msg->deref();
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return ok;
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}
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return false;
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}
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bool SIPEngine::addMessage(SIPMessage* message)
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{
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Debug("SIPEngine",DebugInfo,"addMessage(%p) [%p]",message,this);
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Lock lock(m_mutex);
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ObjList* l = &TransList;
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for (; l; l = l->next()) {
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SIPTransaction* t = static_cast<SIPTransaction*>(l->get());
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if (t && t->processMessage(message))
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return true;
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}
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if (message->isAnswer()) {
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Debug("SIPEngine",DebugInfo,"Message %p was an unhandled answer [%p]",message,this);
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return false;
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}
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new SIPTransaction(message,this,false);
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return true;
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}
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bool SIPEngine::process()
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{
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SIPEvent* e = getEvent();
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if (!e)
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return false;
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Debug("SIPEngine",DebugInfo,"process() got event %p",e);
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processEvent(e);
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return true;
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}
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SIPEvent* SIPEngine::getEvent()
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{
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Lock lock(m_mutex);
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ObjList* l = &TransList;
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for (; l; l = l->next()) {
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SIPTransaction* t = static_cast<SIPTransaction*>(l->get());
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if (t) {
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SIPEvent* e = t->getEvent();
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if (e)
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return e;
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}
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}
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return 0;
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}
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void SIPEngine::processEvent(SIPEvent *event)
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{
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Lock lock(m_mutex);
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if (event) {
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if (event->isOutgoing() && event->getParty())
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event->getParty()->transmit(event);
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delete event;
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}
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}
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/* vi: set ts=8 sw=4 sts=4 noet: */
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