mirror of
https://github.com/f4exb/sdrangel.git
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116 lines
4.2 KiB
C++
116 lines
4.2 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2020 Edouard Griffiths, F4EXB //
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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 as version 3 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 V3 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, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#include "feature/feature.h"
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#include "maincore.h"
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#include "messagepipescommon.h"
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#include "messagepipesgcworker.h"
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MessagePipesGCWorker::MessagePipesGCWorker() :
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m_running(false),
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m_c2fMutex(nullptr),
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m_c2fQueues(nullptr),
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m_c2fFeatures(nullptr)
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{}
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MessagePipesGCWorker::~MessagePipesGCWorker()
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{}
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void MessagePipesGCWorker::startWork()
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{
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connect(&m_gcTimer, SIGNAL(timeout()), this, SLOT(processGC()));
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m_gcTimer.start(10000); // collect garbage every 10s
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m_running = true;
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}
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void MessagePipesGCWorker::stopWork()
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{
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m_running = false;
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m_gcTimer.stop();
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disconnect(&m_gcTimer, SIGNAL(timeout()), this, SLOT(processGC()));
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}
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void MessagePipesGCWorker::processGC()
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{
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// qDebug("MessagePipesGCWorker::processGC");
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if (m_c2fMutex)
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{
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QMutexLocker mlock(m_c2fMutex);
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QMap<MessagePipesCommon::ChannelRegistrationKey, QList<Feature*>>::iterator fIt = m_c2fFeatures->begin();
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// check deleted channels and features
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for (;fIt != m_c2fFeatures->end(); ++fIt)
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{
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MessagePipesCommon::ChannelRegistrationKey channelKey = fIt.key();
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const ChannelAPI *channel = channelKey.m_channel;
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if (MainCore::instance()->existsChannel(channel)) // look for deleted features
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{
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QList<Feature*>& features = fIt.value();
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int i = 0;
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while (i < features.size())
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{
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if (MainCore::instance()->existsFeature(features[i])) {
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i++;
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}
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else
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{
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features.removeAt(i);
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m_c2fQueues->operator[](channelKey).removeAt(i);
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}
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}
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}
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else // channel was destroyed
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{
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QList<Feature*>& features = fIt.value();
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for (int i = 0; i < features.size(); i++)
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{
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MessagePipesCommon::MsgReportChannelDeleted *msg = MessagePipesCommon::MsgReportChannelDeleted::create(
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m_c2fQueues->operator[](channelKey)[i], channelKey);
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features[i]->getInputMessageQueue()->push(msg);
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}
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}
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}
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// remove keys with empty features
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fIt = m_c2fFeatures->begin();
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while (fIt != m_c2fFeatures->end())
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{
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if (fIt.value().size() == 0) {
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fIt = m_c2fFeatures->erase(fIt);
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} else {
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++fIt;
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}
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}
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// remove keys with empty message queues
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QMap<MessagePipesCommon::ChannelRegistrationKey, QList<MessageQueue*>>::iterator qIt = m_c2fQueues->begin();
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while (qIt != m_c2fQueues->end())
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{
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if (qIt.value().size() == 0) {
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qIt = m_c2fQueues->erase(qIt);
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} else {
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++qIt;
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}
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}
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}
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}
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