yate/modules/test/msgdelay.cpp

113 lines
2.6 KiB
C++

/**
* msgdelay.cpp
* This file is part of the YATE Project http://YATE.null.ro
*
* An arbitrary message delayer
*
* Yet Another Telephony Engine - a fully featured software PBX and IVR
* Copyright (C) 2011-2023 Null Team
*
* This software is distributed under multiple licenses;
* see the COPYING file in the main directory for licensing
* information for this specific distribution.
*
* This use of this software may be subject to additional restrictions.
* See the LEGAL file in the main directory for details.
*
* 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.
*/
#include <yatengine.h>
using namespace TelEngine;
namespace { // anonymous
class DelayHandler : public MessageHandler
{
public:
DelayHandler(int prio, const char* trackName) : MessageHandler(0,prio,trackName) { }
virtual bool received(Message &msg);
};
class MsgDelay : public Plugin
{
public:
MsgDelay();
virtual ~MsgDelay();
virtual void initialize();
bool unload();
private:
DelayHandler* m_handler;
};
INIT_PLUGIN(MsgDelay);
UNLOAD_PLUGIN(unloadNow)
{
if (unloadNow)
return __plugin.unload();
return true;
}
bool DelayHandler::received(Message &msg)
{
NamedString* p = msg.getParam(YSTRING("message_delay"));
if (!p)
return false;
int ms = p->toInteger();
// make sure we don't get here again
msg.clearParam(p);
if (ms > 0 && !Engine::exiting()) {
// delay maximum 10s
if (ms > 10000)
ms = 10000;
Debug(DebugAll,"Delaying '%s' by %d ms in thread '%s'",msg.safe(),ms,Thread::currentName());
unsigned int n = (ms + Thread::idleMsec() - 1) / Thread::idleMsec();
while (n-- && !Engine::exiting())
Thread::idle();
}
return false;
};
MsgDelay::MsgDelay()
: Plugin("msgdelay","misc"),
m_handler(0)
{
Output("Loaded module MsgDelay");
}
MsgDelay::~MsgDelay()
{
Output("Unloading module MsgDelay");
}
bool MsgDelay::unload()
{
if (m_handler) {
Engine::uninstall(m_handler);
TelEngine::destruct(m_handler);
}
return true;
}
void MsgDelay::initialize()
{
if (!m_handler) {
int prio = Engine::config().getIntValue("general","msgdelay",50);
if (prio > 0) {
Output("Initializing module MsgDelay priority %d",prio);
m_handler = new DelayHandler(prio,"msgdelay");
m_handler->setFilter(new NamedPointer("message_delay",new Regexp("^[1-9]")));
Engine::install(m_handler);
}
}
}
}; // anonymous namespace
/* vi: set ts=8 sw=4 sts=4 noet: */