mirror of
https://github.com/f4exb/sdrangel.git
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102 lines
3.7 KiB
C++
102 lines
3.7 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2022 Jon Beniston, M7RCE <jon@beniston.com> //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#include <QJsonDocument>
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#include "websocketserver.h"
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WebSocketServer::WebSocketServer(QObject *parent) :
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QObject(parent),
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m_socket("", QWebSocketServer::NonSecureMode, this),
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m_client(nullptr)
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{
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connect(&m_socket, &QWebSocketServer::newConnection, this, &WebSocketServer::onNewConnection);
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int port = 0;
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if (!m_socket.listen(QHostAddress::Any, port)) {
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qCritical() << "WebSocketServer - Unable to listen on port " << port;
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}
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}
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quint16 WebSocketServer::serverPort()
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{
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return m_socket.serverPort();
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}
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void WebSocketServer::onNewConnection()
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{
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QWebSocket *socket = m_socket.nextPendingConnection();
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connect(socket, &QWebSocket::textMessageReceived, this, &WebSocketServer::processTextMessage);
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connect(socket, &QWebSocket::binaryMessageReceived, this, &WebSocketServer::processBinaryMessage);
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connect(socket, &QWebSocket::disconnected, this, &WebSocketServer::socketDisconnected);
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m_client = socket;
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emit connected();
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}
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void WebSocketServer::processTextMessage(QString message)
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{
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//QWebSocket *client = qobject_cast<QWebSocket *>(sender());
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//qDebug() << "WebSocketServer::processTextMessage - Received text " << message;
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QJsonParseError error;
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QJsonDocument doc = QJsonDocument::fromJson(message.toUtf8(), &error);
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if (!doc.isNull() && doc.isObject()) {
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emit received(doc.object());
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} else {
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qDebug() << "WebSocketServer::processTextMessage: " << error.errorString();
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}
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}
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void WebSocketServer::processBinaryMessage(QByteArray message)
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{
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//QWebSocket *client = qobject_cast<QWebSocket *>(sender());
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// Shouldn't receive any binary messages for now
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qDebug() << "WebSocketServer::processBinaryMessage - Received binary " << message;
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}
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void WebSocketServer::socketDisconnected()
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{
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QWebSocket *client = qobject_cast<QWebSocket *>(sender());
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if (client) {
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client->deleteLater();
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m_client = nullptr;
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}
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}
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bool WebSocketServer::isConnected()
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{
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return m_client != nullptr;
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}
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void WebSocketServer::send(const QJsonObject &obj)
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{
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if (m_client)
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{
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QJsonDocument doc(obj);
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QByteArray bytes = doc.toJson();
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qint64 bytesSent = m_client->sendTextMessage(bytes);
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m_client->flush(); // Try to reduce latency
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if (bytesSent != bytes.size()) {
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qDebug() << "WebSocketServer::update - Sent only " << bytesSent << " bytes out of " << bytes.size();
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}
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//qDebug() << obj;
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}
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}
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