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/**
* @file EchoServer.cpp
* @brief Simple TCP echo server for a single port.
*/
#include "EchoServer.h"
#include <QTcpSocket>
EchoServer::EchoServer (quint16 port, const char *name, QObject *parent)
: QTcpServer (parent), m_name (name), m_port (port)
{
connect (this, &QTcpServer::newConnection, this,
&EchoServer::onNewConnection);
if (!listen (QHostAddress::Any, port))
qCritical ("Failed to listen on %s port %d: %s", m_name, m_port,
qPrintable (errorString ()));
else
qInfo ("Listening on %s port %d", m_name, m_port);
}
void
EchoServer::onNewConnection ()
{
while (auto *sock = nextPendingConnection ())
{
qInfo ("[%s:%d] client connected", m_name, m_port);
connect (sock, &QTcpSocket::readyRead, this,
&EchoServer::onClientReadyRead);
connect (sock, &QTcpSocket::disconnected, this,
&EchoServer::onClientDisconnected);
}
}
void
EchoServer::onClientReadyRead ()
{
auto *sock = qobject_cast<QTcpSocket *> (sender ());
QByteArray data = sock->readAll ();
qInfo ("[%s:%d] echo %lld bytes", m_name, m_port, data.size ());
sock->write (data);
}
void
EchoServer::onClientDisconnected ()
{
auto *sock = qobject_cast<QTcpSocket *> (sender ());
qInfo ("[%s:%d] client disconnected", m_name, m_port);
sock->deleteLater ();
}
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