mirror of https://github.com/f4exb/sdrangel.git
134 lines
4.0 KiB
C++
134 lines
4.0 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 <QGlobalStatic>
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#include "messagepipesgcworker.h"
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#include "messagepipes.h"
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MessagePipes::MessagePipes() :
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m_typeCount(0),
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m_c2fMutex(QMutex::Recursive)
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{
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m_gcWorker = new MessagePipesGCWorker();
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m_gcWorker->setC2FRegistrations(&m_c2fMutex, &m_c2fQueues, &m_c2fFEatures);
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m_gcWorker->moveToThread(&m_gcThread);
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startGC();
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}
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MessagePipes::~MessagePipes()
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{
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if (m_gcWorker->isRunning()) {
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stopGC();
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}
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QMap<MessagePipesCommon::ChannelRegistrationKey, QList<MessageQueue*>>::iterator mit = m_c2fQueues.begin();
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for (; mit != m_c2fQueues.end(); ++mit)
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{
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QList<MessageQueue*>::iterator lit = mit->begin();
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for (; lit != mit->end(); ++lit) {
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delete *lit;
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}
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}
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}
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MessageQueue *MessagePipes::registerChannelToFeature(const ChannelAPI *source, Feature *feature, const QString& type)
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{
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int typeId;
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QMutexLocker mlock(&m_c2fMutex);
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if (m_typeIds.contains(type))
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{
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typeId = m_typeIds.value(type);
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}
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else
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{
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typeId++;
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m_typeIds.insert(type, typeId);
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}
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const MessagePipesCommon::ChannelRegistrationKey regKey = MessagePipesCommon::ChannelRegistrationKey{source, typeId};
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MessageQueue *messageQueue;
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if (m_c2fFEatures[regKey].contains(feature))
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{
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int i = m_c2fFEatures[regKey].indexOf(feature);
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messageQueue = m_c2fQueues[regKey][i];
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}
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else
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{
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messageQueue = new MessageQueue();
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m_c2fQueues[regKey].append(messageQueue);
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m_c2fFEatures[regKey].append(feature);
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}
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return messageQueue;
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}
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void MessagePipes::unregisterChannelToFeature(const ChannelAPI *source, Feature *feature, const QString& type)
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{
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if (m_typeIds.contains(type))
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{
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int typeId = m_typeIds.value(type);
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const MessagePipesCommon::ChannelRegistrationKey regKey = MessagePipesCommon::ChannelRegistrationKey{source, typeId};
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if (m_c2fFEatures.contains(regKey) && m_c2fFEatures[regKey].contains(feature))
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{
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QMutexLocker mlock(&m_c2fMutex);
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int i = m_c2fFEatures[regKey].indexOf(feature);
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m_c2fFEatures[regKey].removeAt(i);
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MessageQueue *messageQueue = m_c2fQueues[regKey][i];
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delete messageQueue;
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m_c2fQueues[regKey].removeAt(i);
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}
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}
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}
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QList<MessageQueue*>* MessagePipes::getMessageQueues(const ChannelAPI *source, const QString& type)
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{
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if (!m_typeIds.contains(type)) {
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return nullptr;
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}
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QMutexLocker mlock(&m_c2fMutex);
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const MessagePipesCommon::ChannelRegistrationKey regKey = MessagePipesCommon::ChannelRegistrationKey{source, m_typeIds.value(type)};
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if (m_c2fQueues.contains(regKey)) {
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return &m_c2fQueues[regKey];
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} else {
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return nullptr;
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}
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}
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void MessagePipes::startGC()
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{
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qDebug("MessagePipes::startGC");
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m_gcWorker->startWork();
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m_gcThread.start();
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}
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void MessagePipes::stopGC()
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{
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qDebug("MessagePipes::stopGC");
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m_gcWorker->stopWork();
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m_gcThread.quit();
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m_gcThread.wait();
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}
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