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#include "nettcpconnection.h"
NetTcpConnection::NetTcpConnection(QObject *parent)
: NetConnection(parent)
, m_socket(new QTcpSocket(this))
, m_last_state(QAbstractSocket::UnconnectedState)
{
#if QT_VERSION < QT_VERSION_CHECK(5, 15, 0)
connect(m_socket, QOverload<QAbstractSocket::SocketError>::of(&QAbstractSocket::error), this, &NetTcpConnection::onErrorOccurred);
#else
connect(m_socket, &QTcpSocket::errorOccurred, this, &NetTcpConnection::onErrorOccurred);
#endif
connect(m_socket, &QTcpSocket::stateChanged, this, &NetTcpConnection::onStateChanged);
connect(m_socket, &QTcpSocket::readyRead, this, &NetTcpConnection::onReadyRead);
}
NetTcpConnection::~NetTcpConnection()
{
m_socket->disconnect(this);
disconnectFromServer();
}
bool NetTcpConnection::isConnected()
{
return m_last_state == QAbstractSocket::ConnectedState;
}
void NetTcpConnection::connectToServer(ServerInfo &server)
{
disconnectedFromServer();
m_socket->connectToHost(server.ip, server.port);
}
void NetTcpConnection::disconnectFromServer()
{
m_socket->abort();
}
void NetTcpConnection::sendPacket(AOPacket packet)
{
if (!isConnected())
{
qWarning().noquote() << QObject::tr("Cannot send packet, not connected to server");
return;
}
m_socket->write(packet.toString(true).toUtf8());
}
void NetTcpConnection::onErrorOccurred()
{
Q_EMIT errorOccurred(m_socket->errorString());
}
void NetTcpConnection::onStateChanged(QAbstractSocket::SocketState state)
{
m_last_state = state;
switch (state)
{
default:
break;
case QAbstractSocket::ConnectedState:
m_cached_data.clear();
Q_EMIT connectedToServer();
break;
case QAbstractSocket::UnconnectedState:
Q_EMIT disconnectFromServer();
break;
}
}
void NetTcpConnection::onReadyRead()
{
m_cached_data += QString::fromUtf8(m_socket->readAll());
if (!m_cached_data.endsWith('%'))
{
return;
}
QStringList raw_packet_list = m_cached_data.split('%', Qt::SkipEmptyParts);
m_cached_data.clear();
for (QString raw_packet : raw_packet_list)
{
if (!raw_packet.endsWith('#'))
{
Q_EMIT errorOccurred(QObject::tr("Malformed packet received %1").arg(raw_packet));
continue;
}
raw_packet.chop(1);
QStringList raw_content = raw_packet.split('#');
const QString header = raw_content.takeFirst();
for (QString &data : raw_content)
{
data = AOPacket::decode(data);
}
Q_EMIT receivedPacket(AOPacket(header, raw_content));
}
}
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