124 lines
2.9 KiB
C++
124 lines
2.9 KiB
C++
// system includes
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#include <stdexcept>
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// project includes
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#include <jsonserver/JsonServer.h>
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#include "JsonClientConnection.h"
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// bonjour include
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#include <bonjour/bonjourserviceregister.h>
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#include <utils/NetOrigin.h>
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// qt includes
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#include <QTcpServer>
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#include <QTcpSocket>
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#include <QJsonDocument>
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#include <QByteArray>
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JsonServer::JsonServer(const QJsonDocument& config)
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: QObject()
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, _server(new QTcpServer(this))
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, _openConnections()
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, _log(Logger::getInstance("JSONSERVER"))
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, _netOrigin(NetOrigin::getInstance())
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{
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Debug(_log, "Created instance");
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// Set trigger for incoming connections
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connect(_server, SIGNAL(newConnection()), this, SLOT(newConnection()));
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// init
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handleSettingsUpdate(settings::JSONSERVER, config);
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}
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JsonServer::~JsonServer()
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{
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foreach (JsonClientConnection * connection, _openConnections) {
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delete connection;
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}
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}
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void JsonServer::start()
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{
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if(_server->isListening())
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return;
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if (!_server->listen(QHostAddress::Any, _port))
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{
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Error(_log,"Could not bind to port '%d', please use an available port", _port);
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return;
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}
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Info(_log, "Started on port %d", _port);
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if(_serviceRegister == nullptr)
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{
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_serviceRegister = new BonjourServiceRegister(this);
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_serviceRegister->registerService("_hyperiond-json._tcp", _port);
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}
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else if( _serviceRegister->getPort() != _port)
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{
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delete _serviceRegister;
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_serviceRegister = new BonjourServiceRegister(this);
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_serviceRegister->registerService("_hyperiond-json._tcp", _port);
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}
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}
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void JsonServer::stop()
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{
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if(!_server->isListening())
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return;
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_server->close();
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Info(_log, "Stopped");
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}
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void JsonServer::handleSettingsUpdate(const settings::type& type, const QJsonDocument& config)
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{
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if(type == settings::JSONSERVER)
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{
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QJsonObject obj = config.object();
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if(_port != obj["port"].toInt())
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{
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_port = obj["port"].toInt();
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stop();
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start();
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}
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}
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}
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uint16_t JsonServer::getPort() const
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{
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return _port;
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}
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void JsonServer::newConnection()
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{
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while(_server->hasPendingConnections())
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{
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if (QTcpSocket * socket = _server->nextPendingConnection())
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{
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if(_netOrigin->accessAllowed(socket->peerAddress(), socket->localAddress()))
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{
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Debug(_log, "New connection from: %s ",socket->localAddress().toString().toStdString().c_str());
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JsonClientConnection * connection = new JsonClientConnection(socket, _netOrigin->isLocalAddress(socket->peerAddress(), socket->localAddress()));
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_openConnections.insert(connection);
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// register slot for cleaning up after the connection closed
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connect(connection, &JsonClientConnection::connectionClosed, this, &JsonServer::closedConnection);
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}
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else
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socket->close();
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}
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}
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}
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void JsonServer::closedConnection(void)
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{
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JsonClientConnection* connection = qobject_cast<JsonClientConnection*>(sender());
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Debug(_log, "Connection closed");
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_openConnections.remove(connection);
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// schedule to delete the connection object
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connection->deleteLater();
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}
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