135 lines
3.5 KiB
C++
135 lines
3.5 KiB
C++
/**
|
|
* lateroute.cpp
|
|
* This file is part of the YATE Project http://YATE.null.ro
|
|
*
|
|
* Last chance routing in call.execute messages.
|
|
*
|
|
* 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 <yatephone.h>
|
|
|
|
using namespace TelEngine;
|
|
namespace { // anonymous
|
|
|
|
class LateRouter : public Plugin
|
|
{
|
|
public:
|
|
LateRouter();
|
|
~LateRouter();
|
|
virtual void initialize();
|
|
};
|
|
|
|
class LateHandler : public MessageHandler
|
|
{
|
|
public:
|
|
inline LateHandler(unsigned priority)
|
|
: MessageHandler("call.execute",priority)
|
|
{ }
|
|
virtual bool received(Message& msg);
|
|
};
|
|
|
|
static Regexp s_regexp;
|
|
static String s_called;
|
|
static Mutex s_mutex;
|
|
static LateHandler* s_handler = 0;
|
|
|
|
INIT_PLUGIN(LateRouter);
|
|
|
|
UNLOAD_PLUGIN(unloadNow)
|
|
{
|
|
if (unloadNow) {
|
|
if (!s_mutex.lock(500000))
|
|
return false;
|
|
TelEngine::destruct(s_handler);
|
|
s_mutex.unlock();
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool LateHandler::received(Message& msg)
|
|
{
|
|
String dest = msg.getValue("callto");
|
|
if (dest.null() || !msg.getBoolValue("lateroute",true))
|
|
return false;
|
|
Lock lock(s_mutex);
|
|
if (s_called.null() || !dest.matches(s_regexp))
|
|
return false;
|
|
String callto = dest;
|
|
dest = dest.replaceMatches(s_called);
|
|
msg.replaceParams(dest);
|
|
if (dest.trimBlanks().null())
|
|
return false;
|
|
|
|
String called = msg.getValue("called");
|
|
msg.clearParam("callto");
|
|
msg.setParam("called",dest);
|
|
msg.setParam("lateroute",String::boolText(false));
|
|
msg = "call.route";
|
|
bool ok = Engine::dispatch(msg);
|
|
dest = msg.retValue();
|
|
msg.retValue().clear();
|
|
msg = "call.execute";
|
|
ok = ok && dest && (dest != "-") && (dest != "error");
|
|
if (ok && (dest == callto)) {
|
|
Debug(DebugMild,"Call to '%s' late routed back to itself!",callto.c_str());
|
|
ok = false;
|
|
}
|
|
if (!ok) {
|
|
// restore most of what we changed and let it pass through
|
|
msg.setParam("called",called);
|
|
msg.setParam("callto",callto);
|
|
msg.clearParam("lateroute");
|
|
return false;
|
|
}
|
|
Debug(DebugInfo,"Late routing call to '%s' via '%s'",callto.c_str(),dest.c_str());
|
|
// let it pass through to the new target
|
|
msg.setParam("callto",dest);
|
|
return false;
|
|
}
|
|
|
|
|
|
LateRouter::LateRouter()
|
|
: Plugin("lateroute")
|
|
{
|
|
Output("Loaded module Late Router");
|
|
}
|
|
|
|
LateRouter::~LateRouter()
|
|
{
|
|
Output("Unloading module Late Router");
|
|
}
|
|
|
|
void LateRouter::initialize()
|
|
{
|
|
Output("Initializing module Late Router");
|
|
Configuration cfg(Engine::configFile("lateroute"));
|
|
s_mutex.lock();
|
|
s_regexp = cfg.getValue("general","regexp");
|
|
s_called = cfg.getValue("general","called","\\0");
|
|
s_mutex.unlock();
|
|
if (!s_handler && cfg.getBoolValue("general","enabled",(s_regexp && s_called))) {
|
|
s_handler = new LateHandler(cfg.getIntValue("general","priority",75));
|
|
Engine::install(s_handler);
|
|
}
|
|
}
|
|
|
|
}; // anonymous namespace
|
|
|
|
/* vi: set ts=8 sw=4 sts=4 noet: */
|