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sdrangel/sdrbase/pipes/messagepipesgcworker.cpp
Jon Beniston 0ab857c358 Add PipeEndPoint class, that both ChannelAPI and Feature can inherit
from, to allow either to be used as pipe sources.
Add MsgMapItem, MsgPacket and MsgTargetAzimuthElevation messages that
can be passed between channels and features via pipes.
2021-01-13 17:07:38 +00:00

84 lines
3.3 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// 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();
}