sdrangel/sdrbase/pipes/messagepipesgcworker.cpp

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3.3 KiB
C++
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///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2020 Edouard Griffiths, F4EXB //
// //
// 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 as 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 V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#include "channel/channelapi.h"
#include "feature/feature.h"
#include "util/messagequeue.h"
#include "maincore.h"
#include "messagepipescommon.h"
#include "messagepipesgcworker.h"
bool MessagePipesGCWorker::MessagePipesGC::existsProducer(const PipeEndPoint *pipeEndPoint)
{
// Not overly sure about casting to both types here, but currently safeish as the
// existing functions only use the pointer address - and I presume these
// may be pointers to deleted objects anyway?
return MainCore::instance()->existsChannel((const ChannelAPI *)pipeEndPoint)
|| MainCore::instance()->existsFeature((const Feature *)pipeEndPoint);
}
bool MessagePipesGCWorker::MessagePipesGC::existsConsumer(const Feature *feature)
{
return MainCore::instance()->existsFeature(feature);
}
void MessagePipesGCWorker::MessagePipesGC::sendMessageToConsumer(
const MessageQueue *messageQueue,
MessagePipesCommon::ChannelRegistrationKey channelKey,
Feature *feature)
{
MessagePipesCommon::MsgReportChannelDeleted *msg = MessagePipesCommon::MsgReportChannelDeleted::create(
messageQueue, channelKey);
feature->getInputMessageQueue()->push(msg);
}
MessagePipesGCWorker::MessagePipesGCWorker() :
m_running(false)
{}
MessagePipesGCWorker::~MessagePipesGCWorker()
{}
void MessagePipesGCWorker::startWork()
{
connect(&m_gcTimer, SIGNAL(timeout()), this, SLOT(processGC()));
m_gcTimer.start(10000); // collect garbage every 10s
m_running = true;
}
void MessagePipesGCWorker::stopWork()
{
m_running = false;
m_gcTimer.stop();
disconnect(&m_gcTimer, SIGNAL(timeout()), this, SLOT(processGC()));
}
void MessagePipesGCWorker::addMessageQueueToDelete(MessageQueue *messageQueue)
{
if (messageQueue)
{
m_gcTimer.start(10000); // restart GC to make sure deletion is postponed
m_messagePipesGC.addElementToDelete(messageQueue);
}
}
void MessagePipesGCWorker::processGC()
{
// qDebug("MessagePipesGCWorker::processGC");
m_messagePipesGC.processGC();
}