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powersync-mqtt/libnymea-mqtt/transports/mqttwebsocketclienttransport.cpp
2025-08-21 15:20:05 +02:00

111 lines
4.1 KiB
C++

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Copyright 2013 - 2022, nymea GmbH
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* GNU Lesser General Public License Usage
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#include "mqttwebsocketclienttransport.h"
MqttWebSocketClientTransport::MqttWebSocketClientTransport(const QNetworkRequest &request, QObject *parent):
MqttClientTransport(parent),
m_request(request)
{
m_socket = new QWebSocket(QString(), QWebSocketProtocol::VersionLatest, this);
connect(m_socket, &QWebSocket::connected, this, &MqttClientTransport::connected);
connect(m_socket, &QWebSocket::disconnected, this, &MqttClientTransport::disconnected);
connect(m_socket, &QWebSocket::stateChanged, this, &MqttClientTransport::stateChanged);
connect(m_socket, &QWebSocket::sslErrors, this, &MqttClientTransport::sslErrors);
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
connect(m_socket, &QWebSocket::errorOccurred, this, &MqttClientTransport::errorSignal);
#else
typedef void (QWebSocket:: *errorSignal)(QAbstractSocket::SocketError);
connect(m_socket, static_cast<errorSignal>(&QWebSocket::error), this, &MqttClientTransport::errorSignal);
#endif
connect(m_socket, &QWebSocket::textMessageReceived, this, &MqttWebSocketClientTransport::onTextMessageReceived);
connect(m_socket, &QWebSocket::binaryMessageReceived, this, &MqttWebSocketClientTransport::onBinaryMessageReceived);
}
void MqttWebSocketClientTransport::connectToHost()
{
#if QT_VERSION < QT_VERSION_CHECK(5, 6, 0)
if (!m_request.rawHeaderList().isEmpty()) {
qCWarning(dbgClient) << "Qt versions older than 5.6 do not support HTTP request headers with web sockets. The connection may fail.";
}
m_socket->open(m_request.url());
#else
m_socket->open(m_request);
#endif
}
void MqttWebSocketClientTransport::abort()
{
m_socket->abort();
}
bool MqttWebSocketClientTransport::isOpen() const
{
return m_socket->isValid();
}
bool MqttWebSocketClientTransport::write(const QByteArray &data)
{
int ret = m_socket->sendBinaryMessage(data);
return ret == data.length();
}
void MqttWebSocketClientTransport::flush()
{
m_socket->flush();
}
void MqttWebSocketClientTransport::disconnectFromHost()
{
m_socket->close();
}
QAbstractSocket::SocketState MqttWebSocketClientTransport::state() const
{
return m_socket->state();
}
void MqttWebSocketClientTransport::ignoreSslErrors()
{
m_socket->ignoreSslErrors();
}
void MqttWebSocketClientTransport::onTextMessageReceived(const QString &message)
{
qCDebug(dbgClient()) << "Text message received:" << message;
qCWarning(dbgClient()) << "Received a text message from the server. Doesn't look like MQTT. Closing connection.";
m_socket->close(QWebSocketProtocol::CloseCodeProtocolError);
}
void MqttWebSocketClientTransport::onBinaryMessageReceived(const QByteArray &message)
{
emit dataReceived(message);
}