Implemented basic listening functionality

messagingserver/client.cpp

@@ -0,0 +1,42 @@
+#include "client.h"
+
+#include <QTcpSocket>
+#include <QDebug>
+
+#include "server.h"
+
+Client::Client(QTcpSocket *socket, Server *server) :
+    QObject(server), m_socket(socket)
+{
+    qDebug() << this << "connected";
+
+    m_socket->setParent(this);
+
+    connect(m_socket, &QIODevice::readyRead, this, &Client::readyRead);
+    connect(m_socket, &QAbstractSocket::disconnected, this, &QObject::deleteLater);
+}
+
+Client::~Client()
+{
+    qDebug() << this << "disconnected";
+}
+
+qint64 Client::write(const char *data, qint64 len)
+{
+    return m_socket->write(data, len);
+}
+
+qint64 Client::write(const char *data)
+{
+    return m_socket->write(data);
+}
+
+qint64 Client::write(const QByteArray &data)
+{
+    return m_socket->write(data);
+}
+
+void Client::readyRead()
+{
+    qDebug() << this << "readyRead" << m_socket->readAll();
+}