nymea-plugins/tcpcommander/tcpserver.cpp

122 lines
4.1 KiB
C++

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* Copyright 2013 - 2020, nymea GmbH
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* reproduction, publication, editing and translation, are reserved. The use of
* this project is subject to the terms of a license agreement to be concluded
* with nymea GmbH in accordance with the terms of use of nymea GmbH, available
* under https://nymea.io/license
*
* GNU Lesser General Public License Usage
* Alternatively, this project may be redistributed and/or modified under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; version 3. This project 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
* Lesser General Public License for more details.
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#include "tcpserver.h"
#include "extern-plugininfo.h"
#include <QNetworkInterface>
TcpServer::TcpServer(const QHostAddress address, const quint16 &port, QObject *parent) :
QObject(parent)
{
m_tcpServer = new QTcpServer(this);
connect(m_tcpServer, &QTcpServer::newConnection, this, &TcpServer::newConnection);
qDebug(dcTCPCommander()) << "TCP Server on Port: " << port << "Address: " << address.toString();
if (!m_tcpServer->listen(address, port)) {
qWarning(dcTCPCommander()) << "Unable to start the server: " << m_tcpServer->errorString();
return;
}
}
TcpServer::TcpServer(const quint16 &port, QObject *parent) :
QObject(parent)
{
m_tcpServer = new QTcpServer(this);
connect(m_tcpServer, &QTcpServer::newConnection, this, &TcpServer::newConnection);
qDebug(dcTCPCommander()) << "TCP Server on Port: " << port;
if (!m_tcpServer->listen(QHostAddress::Any, port)) {
qWarning(dcTCPCommander()) << "Unable to start the server: " << m_tcpServer->errorString();
return;
}
}
TcpServer::~TcpServer()
{
}
bool TcpServer::isValid()
{
return m_tcpServer->isListening();
}
QHostAddress TcpServer::serverAddress()
{
return m_tcpServer->serverAddress();
}
int TcpServer::serverPort()
{
return m_tcpServer->serverPort();
}
int TcpServer::connectionCount()
{
return m_connectionCount;
}
void TcpServer::newConnection()
{
qDebug(dcTCPCommander()) << "TCP Server new Connection request";
QTcpSocket *socket = m_tcpServer->nextPendingConnection();
socket->flush();
m_connectionCount++;
emit connectionCountChanged(m_connectionCount);
connect(socket, &QTcpSocket::disconnected, this, &TcpServer::onDisconnected);
connect(socket, &QTcpSocket::readyRead, this, &TcpServer::readData);
// Note: error signal will be interpreted as function, not as signal in C++11
connect(socket, SIGNAL(error(QAbstractSocket::SocketError)), this, SLOT(onError(QAbstractSocket::SocketError)));
}
void TcpServer::onDisconnected()
{
qDebug(dcTCPCommander()) << "TCP Server connection aborted";
m_connectionCount--;
if (m_connectionCount < 0)
m_connectionCount = 0;
emit connectionCountChanged(m_connectionCount);
}
void TcpServer::readData()
{
QTcpSocket *socket = static_cast<QTcpSocket *>(sender());
QByteArray data = socket->readAll();
qDebug(dcTCPCommander()) << "TCP Server data received: " << data;
socket->write("OK\n");
emit commandReceived(data);
}
void TcpServer::onError(QAbstractSocket::SocketError error)
{
QTcpSocket *socket = static_cast<QTcpSocket *>(sender());
qWarning(dcTCPCommander()) << "Socket Error" << socket->errorString() << error;
}