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			87 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
		
		
			
		
	
	
			87 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
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								///////////////////////////////////////////////////////////////////////////////////
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								// Copyright (C) 2018 Edouard Griffiths, F4EXB.                                  //
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								//                                                                               //
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								// SDRdaemon sink channel (Rx) data blocks queue                                 //
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								//                                                                               //
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								// SDRdaemon is a detached SDR front end that handles the interface with a       //
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								// physical device and sends or receives the I/Q samples stream to or from a     //
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								// SDRangel instance via UDP. It is controlled via a Web REST API.               //
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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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								//                                                                               //
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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 <QDebug>
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								#include <QMutexLocker>
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								#include "channel/sdrdaemondataqueue.h"
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								#include "channel/sdrdaemondatablock.h"
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								SDRDaemonDataQueue::SDRDaemonDataQueue(QObject* parent) :
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									QObject(parent),
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									m_lock(QMutex::Recursive),
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									m_queue()
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								{
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								}
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								SDRDaemonDataQueue::~SDRDaemonDataQueue()
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								{
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									SDRDaemonDataBlock* data;
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									while ((data = pop()) != 0)
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									{
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										qDebug() << "SDRDaemonDataQueue::~SDRDaemonDataQueue: data block was still in queue";
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										delete data;
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									}
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								}
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								void SDRDaemonDataQueue::push(SDRDaemonDataBlock* data, bool emitSignal)
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								{
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									if (data)
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									{
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										m_lock.lock();
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										m_queue.append(data);
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										m_lock.unlock();
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									}
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									if (emitSignal)
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									{
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										emit dataBlockEnqueued();
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									}
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								}
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								SDRDaemonDataBlock* SDRDaemonDataQueue::pop()
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								{
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									QMutexLocker locker(&m_lock);
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									if (m_queue.isEmpty())
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									{
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										return 0;
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									}
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									else
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									{
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										return m_queue.takeFirst();
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									}
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								}
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								int SDRDaemonDataQueue::size()
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								{
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									QMutexLocker locker(&m_lock);
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									return m_queue.size();
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								}
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								void SDRDaemonDataQueue::clear()
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								{
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									QMutexLocker locker(&m_lock);
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									m_queue.clear();
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								}
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