124 lines
4.2 KiB
C++
124 lines
4.2 KiB
C++
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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*
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* Copyright 2013 - 2020, nymea GmbH
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* Contact: contact@nymea.io
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*
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* This file is part of nymea.
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* This project including source code and documentation is protected by
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* copyright law, and remains the property of nymea GmbH. All rights, including
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* reproduction, publication, editing and translation, are reserved. The use of
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* this project is subject to the terms of a license agreement to be concluded
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* with nymea GmbH in accordance with the terms of use of nymea GmbH, available
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* under https://nymea.io/license
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*
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* GNU Lesser General Public License Usage
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* Alternatively, this project may be redistributed and/or modified under the
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* terms of the GNU Lesser General Public License as published by the Free
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* Software Foundation; version 3. This project is distributed in the hope that
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* it will be useful, but WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this project. If not, see <https://www.gnu.org/licenses/>.
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*
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* For any further details and any questions please contact us under
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* contact@nymea.io or see our FAQ/Licensing Information on
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* https://nymea.io/license/faq
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*
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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#include "tcpsocket.h"
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#include "extern-plugininfo.h"
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TcpSocket::TcpSocket(const QHostAddress address, const quint16 &port, QObject *parent) :
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QObject(parent),
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m_port(port),
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m_address(address)
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{
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m_tcpSocket = new QTcpSocket(this);
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connect(m_tcpSocket, &QTcpSocket::connected, this, &TcpSocket::onConnected);
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connect(m_tcpSocket, &QTcpSocket::disconnected, this, &TcpSocket::onDisconnected);
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connect(m_tcpSocket, &QTcpSocket::bytesWritten, this, &TcpSocket::onBytesWritten);
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connect(m_tcpSocket, SIGNAL(error(QAbstractSocket::SocketError)), this, SLOT(onTcpSocketError(QAbstractSocket::SocketError)));
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}
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void TcpSocket::sendCommand(QByteArray command)
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{
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if (m_pendingCommands.isEmpty()) {
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m_pendingCommands.append(command);
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m_tcpSocket->abort();
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m_tcpSocket->connectToHost(m_address, m_port);
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} else {
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m_pendingCommands.append(command);
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}
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}
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void TcpSocket::connectionTest()
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{
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QTcpSocket *testSocket = new QTcpSocket(this);
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connect(testSocket, &QTcpSocket::connected, this,[this, testSocket] {
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emit connectionTestFinished(true);
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testSocket->deleteLater();
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});
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connect(testSocket, static_cast<void (QTcpSocket::*) (QAbstractSocket::SocketError)>(&QTcpSocket::error), this, [this, testSocket] {
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emit connectionTestFinished(false);
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testSocket->deleteLater();
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});
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testSocket->connectToHost(m_address, m_port);
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}
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void TcpSocket::onConnected()
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{
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qDebug(dcTCPCommander()) << "Socket connected" ;
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if (!m_pendingCommands.isEmpty()) {
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QByteArray data = m_pendingCommands.takeLast();
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qDebug(dcTCPCommander()) << "Writing data:" << data;
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m_tcpSocket->write(data + "\n");
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} else {
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m_tcpSocket->disconnectFromHost();
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}
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emit connectionChanged(true);
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}
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void TcpSocket::onDisconnected()
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{
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qDebug(dcTCPCommander()) << "Socket disconnected" ;
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emit connectionChanged(false);
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}
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void TcpSocket::onBytesWritten()
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{
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emit commandSent(true);
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if (!m_pendingCommands.isEmpty()){
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m_tcpSocket->write(m_pendingCommands.takeFirst());
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} else {
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m_tcpSocket->close();
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}
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}
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void TcpSocket::onError(QAbstractSocket::SocketError error)
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{
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qWarning(dcTCPCommander()) << "Socket Error" << m_tcpSocket->errorString();
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switch (error) {
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case QAbstractSocket::RemoteHostClosedError:
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break;
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case QAbstractSocket::HostNotFoundError:
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break;
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case QAbstractSocket::ConnectionRefusedError:
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break;
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default:
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;
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}
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emit commandSent(false);
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emit connectionChanged(false);
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m_pendingCommands.clear(); //undefined socket state needs to clear command buffer.
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if (m_tcpSocket->isOpen()) {
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m_tcpSocket->disconnectFromHost();
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}
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}
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