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sdrangel/sdrbase/channel/remotedataqueue.cpp

89 lines
3.2 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
// written by Christian Daniel //
// Copyright (C) 2015-2019, 2021 Edouard Griffiths, F4EXB <f4exb06@gmail.com> //
// Copyright (C) 2015 John Greb <hexameron@spam.no> //
// Copyright (C) 2022 Jiří Pinkava <jiri.pinkava@rossum.ai> //
// //
// Remtoe sink channel (Rx) data blocks queue //
// //
// SDRangel can serve as a remote SDR front end that handles the interface //
// with a physical device and sends or receives the I/Q samples stream via UDP //
// to or from another SDRangel instance or any program implementing the same //
// protocol. The remote SDRangel is controlled via its Web REST API. //
// //
// 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/remotedatablock.h>
#include <channel/remotedataqueue.h>
#include <QDebug>
#include <QMutexLocker>
RemoteDataQueue::RemoteDataQueue(QObject* parent) :
QObject(parent),
m_queue()
{
}
RemoteDataQueue::~RemoteDataQueue()
{
RemoteDataFrame* data;
while ((data = pop()) != nullptr)
{
qDebug() << "RemoteDataQueue::~RemoteDataQueue: data block was still in queue";
delete data;
}
}
void RemoteDataQueue::push(RemoteDataFrame* data, bool emitSignal)
{
if (data)
{
m_lock.lock();
m_queue.enqueue(data);
// qDebug("RemoteDataQueue::push: %d", m_queue.size());
m_lock.unlock();
}
if (emitSignal) {
emit dataBlockEnqueued();
}
}
RemoteDataFrame* RemoteDataQueue::pop()
{
QMutexLocker locker(&m_lock);
if (m_queue.isEmpty()) {
return nullptr;
} else {
return m_queue.dequeue();
}
}
int RemoteDataQueue::size()
{
QMutexLocker locker(&m_lock);
return m_queue.size();
}
void RemoteDataQueue::clear()
{
QMutexLocker locker(&m_lock);
m_queue.clear();
}