yate/contrib/yiax/engine.cpp

123 lines
2.9 KiB
C++

/**
* engine.cpp
* Yet Another IAX2 Stack
* This file is part of the YATE Project http://YATE.null.ro
*
* Yet Another Telephony Engine - a fully featured software PBX and IVR
* Copyright (C) 2004-2006 Null Team
*
* 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 2 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <yateiax.h>
#include <yateversn.h>
using namespace TelEngine;
IAXEngine::IAXEngine(int transCount)
: Mutex(true), m_transList(0), m_transListCount(0)
{
if (transCount < 4)
transCount = 4;
else if (transCount > 256)
transCount = 256;
m_transList = new ObjList* [transCount];
for (int i = 0; i < transCount; i++)
m_transList[i] = new ObjList;
m_transListCount = transCount;
}
IAXEngine::~IAXEngine()
{
for (int i = 0; i < m_transListCount; i++)
delete m_transList[i];
delete[] m_transList;
}
IAXTransaction* IAXEngine::addFrame(const SocketAddr& addr, IAXFrame* frame)
{
if (!frame)
return 0;
for (int i = 0; i < m_transListCount; i++) {
ObjList* l = m_transList[i];
for (; l; l = l->next()) {
IAXTransaction* tr = static_cast<IAXTransaction*>(l->get());
if (tr && tr->process(addr,frame))
return tr;
}
}
}
IAXTransaction* IAXEngine::addFrame(const SocketAddr& addr, const unsigned char* buf, unsigned int len)
{
IAXFrame* frame = IAXFrame::parse(buf,len,this,&addr);
if (!frame)
return 0;
IAXTransaction* tr = addFrame(addr,frame);
frame->deref();
return tr;
}
IAXEvent* IAXEngine::getEvent()
{
Lock lock(this);
for (int i = 0; i < m_transListCount; i++) {
ObjList* l = m_transList[i];
for (; l; l = l->next()) {
IAXTransaction* tr = static_cast<IAXTransaction*>(l->get());
if (!tr)
continue;
IAXEvent* ev = tr->getEvent();
if (ev)
return ev;
}
}
return 0;
}
void IAXEngine::processEvent(IAXEvent* event)
{
delete event;
}
bool IAXEngine::process()
{
bool ok = false;
for (;;) {
IAXEvent* ev = getEvent();
if (!ev)
break;
processEvent(ev);
ok = true;
}
return ok;
}
IAXEvent::IAXEvent(Type type, bool final, IAXTransaction* transaction)
: m_type(type), m_final(final), m_transaction(0)
{
if (transaction && transaction->ref())
m_transaction = transaction;
}
IAXEvent::~IAXEvent()
{
if (m_transaction)
m_transaction->deref();
}
/* vi: set ts=8 sw=4 sts=4 noet: */