Move JsonProcessing from JsonClientConnection to own class (#444)

* update

* Tell me why...

include/hyperion/Hyperion.h

@@ -182,8 +182,6 @@ public:
 
 	QJsonObject getConfig() { return _qjsonConfig; };
 
-	QString getConfigFile() { return _configFile; };
-
 	/// unique id per instance
 	QString id;
 
@@ -273,6 +271,9 @@ public slots:
 	///
 	Hyperion::BonjourRegister getHyperionSessions();
 
+	/// Slot which is called, when state of hyperion has been changed
+	void hyperionStateChanged();
+
 public:
 	static Hyperion *_hyperion;
 
@@ -311,8 +312,11 @@ signals:
 	void emitImage(int priority, const Image<ColorRgb> & image, const int timeout_ms);
 	void closing();
 
-	/// Signal which is emitted, when state of config or bonjour or priorityMuxer changed
+	/// Signal which is emitted, when a new json message should be forwarded
-	void hyperionStateChanged();
+	void forwardJsonMessage(QJsonObject);
+
+	/// Signal which is emitted, after the hyperionStateChanged has been processed with a emit count blocker (250ms interval)
+	void sendServerInfo();
 
 private slots:
 	///
@@ -417,4 +421,8 @@ private:
 	/// holds the current states of configWriteable and modified
 	bool _configMod = false;
 	bool _configWrite = true;
+
+	/// timers to handle severinfo blocking
+	QTimer _fsi_timer;
+	QTimer _fsi_blockTimer; 
 };

include/jsonserver/JsonServer.h

@@ -6,7 +6,6 @@
 // Qt includes
 #include <QTcpServer>
 #include <QSet>
-#include <QTimer>
 
 // Hyperion includes
 #include <hyperion/Hyperion.h>
@@ -37,15 +36,12 @@ public:
 	///
 	uint16_t getPort() const;
 
+
 private slots:
 	///
 	/// Slot which is called when a client tries to create a new connection
 	///
 	void newConnection();
-	///
-	/// Slot which is called when a new forced serverinfo should be pushed
-	///
-	void pushReq();
 
 	///
 	/// Slot which is called when a client closes a connection
@@ -53,11 +49,25 @@ private slots:
 	///
 	void closedConnection(JsonClientConnection * connection);
 
+	/// forward message to all json slaves
+	void forwardJsonMessage(const QJsonObject &message);
+
+public slots:
+	/// process current forwarder state
+	void componentStateChanged(const hyperion::Components component, bool enable);
+
+	///
+	/// forward message to a single json slaves
+	///
+	/// @param message The JSON message to send
+	///
+	void sendMessage(const QJsonObject & message, QTcpSocket * socket);
+
 private:
 	/// The TCP server object
 	QTcpServer _server;
 
-	/// Link to Hyperion to get hyperion state emiter
+	/// Link to Hyperion to get config state emiter
 	Hyperion * _hyperion;
 
 	/// List with open connections
@@ -66,6 +76,6 @@ private:
 	/// the logger instance
 	Logger * _log;
 
-	QTimer _timer;
+	/// Flag if forwarder is enabled
-	QTimer _blockTimer;
+	bool _forwarder_enabled = true;
 };

include/utils/JsonProcessor.h

@@ -0,0 +1,268 @@
+#pragma once
+
+// hyperion includes
+#include <utils/Logger.h>
+#include <utils/jsonschema/QJsonSchemaChecker.h>
+#include <utils/Components.h>
+#include <hyperion/Hyperion.h>
+
+// qt includess
+#include <QTimer>
+#include <QJsonObject>
+#include <QMutex>
+#include <QString>
+
+// createEffect helper
+struct find_schema: std::unary_function<EffectSchema, bool>
+{
+	QString pyFile;
+	find_schema(QString pyFile):pyFile(pyFile) { }
+	bool operator()(EffectSchema const& schema) const
+	{
+		return schema.pyFile == pyFile;
+	}
+};
+
+// deleteEffect helper
+struct find_effect: std::unary_function<EffectDefinition, bool>
+{
+	QString effectName;
+	find_effect(QString effectName) :effectName(effectName) { }
+	bool operator()(EffectDefinition const& effectDefinition) const
+	{
+		return effectDefinition.name == effectName;
+	}
+};
+
+class ImageProcessor;
+
+class JsonProcessor : public QObject
+{
+	Q_OBJECT
+
+public:
+	JsonProcessor(QString peerAddress);
+	~JsonProcessor();
+
+	///
+	/// Handle an incoming JSON message
+	///
+	/// @param message the incoming message as string
+	///
+	void handleMessage(const QString & message);
+
+	///
+	/// send a forced serverinfo to a client
+	///
+	void forceServerInfo();
+
+public slots:
+	/// _timer_ledcolors requests ledcolor updates (if enabled)
+	void streamLedcolorsUpdate();
+
+	/// push images whenever hyperion emits (if enabled)
+	void setImage(int priority, const Image<ColorRgb> & image, int duration_ms);
+
+	/// process and push new log messages from logger (if enabled)
+	void incommingLogMessage(Logger::T_LOG_MESSAGE);
+
+signals:
+	///
+	/// Signal which is emitted when a sendSuccessReply() has been executed
+	///
+	void pushReq();
+	///
+	/// Signal emits with the reply message provided with handleMessage()
+	///
+	void callbackMessage(QJsonObject);
+
+	///
+	/// Signal emits whenever a jsonmessage should be forwarded
+	///
+	void forwardJsonMessage(QJsonObject);
+
+private:
+    /// The peer address of the client
+    QString _peerAddress;
+
+	/// Log instance
+	Logger* _log;
+
+	/// Hyperion instance
+	Hyperion* _hyperion;
+
+	/// The processor for translating images to led-values
+	ImageProcessor * _imageProcessor;
+
+    /// holds the state before off state
+    static std::map<hyperion::Components, bool> _componentsPrevState;
+
+	/// returns if hyperion is on or off
+	inline bool hyperionIsActive() { return JsonProcessor::_componentsPrevState.empty(); };
+
+	/// timer for ledcolors streaming
+	QTimer _timer_ledcolors;
+
+	// streaming buffers
+	QJsonObject _streaming_leds_reply;
+	QJsonObject _streaming_image_reply;
+	QJsonObject _streaming_logging_reply;
+
+	/// flag to determine state of log streaming
+	bool _streaming_logging_activated;
+
+	/// mutex to determine state of image streaming
+	QMutex _image_stream_mutex;
+
+	/// timeout for live video refresh
+	volatile qint64 _image_stream_timeout;
+
+	///
+	/// Handle an incoming JSON Color message
+	///
+	/// @param message the incoming message
+	///
+	void handleColorCommand(const QJsonObject & message, const QString &command, const int tan);
+
+	///
+	/// Handle an incoming JSON Image message
+	///
+	/// @param message the incoming message
+	///
+	void handleImageCommand(const QJsonObject & message, const QString &command, const int tan);
+
+	///
+	/// Handle an incoming JSON Effect message
+	///
+	/// @param message the incoming message
+	///
+	void handleEffectCommand(const QJsonObject & message, const QString &command, const int tan);
+
+	///
+	/// Handle an incoming JSON Effect message (Write JSON Effect)
+	///
+	/// @param message the incoming message
+	///
+	void handleCreateEffectCommand(const QJsonObject & message, const QString &command, const int tan);
+
+	///
+	/// Handle an incoming JSON Effect message (Delete JSON Effect)
+	///
+	/// @param message the incoming message
+	///
+	void handleDeleteEffectCommand(const QJsonObject & message, const QString &command, const int tan);
+
+	///
+	/// Handle an incoming JSON System info message
+	///
+	/// @param message the incoming message
+	///
+	void handleSysInfoCommand(const QJsonObject & message, const QString &command, const int tan);
+
+	///
+	/// Handle an incoming JSON Server info message
+	///
+	/// @param message the incoming message
+	///
+	void handleServerInfoCommand(const QJsonObject & message, const QString &command, const int tan);
+
+	///
+	/// Handle an incoming JSON Clear message
+	///
+	/// @param message the incoming message
+	///
+	void handleClearCommand(const QJsonObject & message, const QString &command, const int tan);
+
+	///
+	/// Handle an incoming JSON Clearall message
+	///
+	/// @param message the incoming message
+	///
+	void handleClearallCommand(const QJsonObject & message, const QString &command, const int tan);
+
+	///
+	/// Handle an incoming JSON Adjustment message
+	///
+	/// @param message the incoming message
+	///
+	void handleAdjustmentCommand(const QJsonObject & message, const QString &command, const int tan);
+
+	///
+	/// Handle an incoming JSON SourceSelect message
+	///
+	/// @param message the incoming message
+	///
+	void handleSourceSelectCommand(const QJsonObject & message, const QString &command, const int tan);
+
+	/// Handle an incoming JSON GetConfig message and check subcommand
+	///
+	/// @param message the incoming message
+	///
+	void handleConfigCommand(const QJsonObject & message, const QString &command, const int tan);
+
+	/// Handle an incoming JSON GetConfig message from handleConfigCommand()
+	///
+	/// @param message the incoming message
+	///
+	void handleSchemaGetCommand(const QJsonObject & message, const QString &command, const int tan);
+
+	/// Handle an incoming JSON GetConfig message from handleConfigCommand()
+	///
+	/// @param message the incoming message
+	///
+	void handleConfigGetCommand(const QJsonObject & message, const QString &command, const int tan);
+
+	///
+	/// Handle an incoming JSON Component State message
+	///
+	/// @param message the incoming message
+	///
+	void handleComponentStateCommand(const QJsonObject & message, const QString &command, const int tan);
+
+	/// Handle an incoming JSON Led Colors message
+	///
+	/// @param message the incoming message
+	///
+	void handleLedColorsCommand(const QJsonObject & message, const QString &command, const int tan);
+
+	/// Handle an incoming JSON Logging message
+	///
+	/// @param message the incoming message
+	///
+	void handleLoggingCommand(const QJsonObject & message, const QString &command, const int tan);
+
+	/// Handle an incoming JSON Proccessing message
+	///
+	/// @param message the incoming message
+	///
+	void handleProcessingCommand(const QJsonObject & message, const QString &command, const int tan);
+
+	///
+	/// Handle an incoming JSON message of unknown type
+	///
+	void handleNotImplemented();
+
+	///
+	/// Send a standard reply indicating success
+	///
+	void sendSuccessReply(const QString &command="", const int tan=0);
+
+	///
+	/// Send an error message back to the client
+	///
+	/// @param error String describing the error
+	///
+	void sendErrorReply(const QString & error, const QString &command="", const int tan=0);
+
+	///
+	/// Check if a JSON messag is valid according to a given JSON schema
+	///
+	/// @param message JSON message which need to be checked
+	/// @param schemaResource Qt Resource identifier with the JSON schema
+	/// @param errors Output error message
+	/// @param ignoreRequired ignore the required value in JSON schema
+	///
+	/// @return true if message conforms the given JSON schema
+	///
+	bool checkJson(const QJsonObject & message, const QString &schemaResource, QString & errors, bool ignoreRequired = false);
+};

libsrc/hyperion/Hyperion.cpp

@@ -450,9 +450,14 @@ Hyperion::Hyperion(const QJsonObject &qjsonConfig, const QString configFile)
         QObject::connect(&_cTimer, SIGNAL(timeout()), this, SLOT(checkConfigState()));
         _cTimer.start(2000);
 
-	// pipe muxer signal for effect/color timerunner to hyperionStateChanged signal
+	// pipe muxer signal for effect/color timerunner to hyperionStateChanged slot
 	QObject::connect(&_muxer, &PriorityMuxer::timerunner, this, &Hyperion::hyperionStateChanged);
 
+	// prepare processing of hyperionStateChanged for forced serverinfo
+	connect(&_fsi_timer, SIGNAL(timeout()), this, SLOT(hyperionStateChanged()));
+	_fsi_timer.setSingleShot(true);
+	_fsi_blockTimer.setSingleShot(true);
+
 	const QJsonObject & generalConfig = qjsonConfig["general"].toObject();
 	_configVersionId = generalConfig["configVersion"].toInt(-1);
 
@@ -784,6 +789,19 @@ void Hyperion::setLedMappingType(int mappingType)
 	emit imageToLedsMappingChanged(mappingType);
 }
 
+void Hyperion::hyperionStateChanged()
+{
+	if(_fsi_blockTimer.isActive())
+	{
+		_fsi_timer.start(300);
+	}
+	else
+	{
+		emit sendServerInfo();
+		_fsi_blockTimer.start(250);
+	}
+}
+
 void Hyperion::update()
 {
 	// Update the muxer, cleaning obsolete priorities

libsrc/jsonserver/JsonClientConnection.h

@@ -5,7 +5,6 @@
 // Qt includes
 #include <QByteArray>
 #include <QTcpSocket>
-#include <QMutex>
 #include <QHostAddress>
 #include <QString>
 
@@ -13,12 +12,8 @@
 #include <hyperion/Hyperion.h>
 
 // util includes
-#include <utils/jsonschema/QJsonSchemaChecker.h>
 #include <utils/Logger.h>
-#include <utils/Components.h>
+#include <utils/JsonProcessor.h>
-
-class ImageProcessor;
-
 
 /// Constants and utility functions related to WebSocket opcodes
 /**
@@ -74,26 +69,6 @@ namespace OPCODE {
 	}
 }
 
-struct find_schema: std::unary_function<EffectSchema, bool>
-{
-	QString pyFile;
-	find_schema(QString pyFile):pyFile(pyFile) { }
-	bool operator()(EffectSchema const& schema) const
-	{
-		return schema.pyFile == pyFile;
-	}
-};
-
-struct find_effect: std::unary_function<EffectDefinition, bool>
-{
-	QString effectName;
-	find_effect(QString effectName) :effectName(effectName) { }
-	bool operator()(EffectDefinition const& effectDefinition) const
-	{
-		return effectDefinition.name == effectName;
-	}
-};
-
 ///
 /// The Connection object created by \a JsonServer when a new connection is establshed
 ///
@@ -105,7 +80,6 @@ public:
 	///
 	/// Constructor
 	/// @param socket The Socket object for this connection
-	/// @param hyperion The Hyperion server
 	///
 	JsonClientConnection(QTcpSocket * socket);
 
@@ -114,16 +88,8 @@ public:
 	///
 	~JsonClientConnection();
 
-	///
-	/// send a forced serverinfo to a client
-	///
-	void forceServerInfo();
-
 public slots:
-	void componentStateChanged(const hyperion::Components component, bool enable);
+	void sendMessage(QJsonObject);
-	void streamLedcolorsUpdate();
-	void incommingLogMessage(Logger::T_LOG_MESSAGE);
-	void setImage(int priority, const Image<ColorRgb> & image, int duration_ms);
 
 signals:
 	///
@@ -132,11 +98,6 @@ signals:
 	///
 	void connectionClosed(JsonClientConnection * connection);
 
-	///
-	/// Signal which is emitted when a sendSuccessReply() has been executed
-	///
-	void pushReq();
-
 private slots:
 	///
 	/// Slot called when new data has arrived
@@ -150,157 +111,8 @@ private slots:
 
 
 private:
-	///
+	/// new instance of JsonProcessor
-	/// Handle an incoming JSON message
+	JsonProcessor * _jsonProcessor;
-	///
-	/// @param message the incoming message as string
-	///
-	void handleMessage(const QString & message);
-
-	///
-	/// Handle an incoming JSON Color message
-	///
-	/// @param message the incoming message
-	///
-	void handleColorCommand(const QJsonObject & message, const QString &command, const int tan);
-
-	///
-	/// Handle an incoming JSON Image message
-	///
-	/// @param message the incoming message
-	///
-	void handleImageCommand(const QJsonObject & message, const QString &command, const int tan);
-
-	///
-	/// Handle an incoming JSON Effect message
-	///
-	/// @param message the incoming message
-	///
-	void handleEffectCommand(const QJsonObject & message, const QString &command, const int tan);
-
-	///
-	/// Handle an incoming JSON Effect message (Write JSON Effect)
-	///
-	/// @param message the incoming message
-	///
-	void handleCreateEffectCommand(const QJsonObject & message, const QString &command, const int tan);
-
-	///
-	/// Handle an incoming JSON Effect message (Delete JSON Effect)
-	///
-	/// @param message the incoming message
-	///
-	void handleDeleteEffectCommand(const QJsonObject & message, const QString &command, const int tan);
-
-	///
-	/// Handle an incoming JSON Server info message
-	///
-	/// @param message the incoming message
-	///
-	void handleServerInfoCommand(const QJsonObject & message, const QString &command, const int tan);
-
-	///
-	/// Handle an incoming JSON System info message
-	///
-	/// @param message the incoming message
-	///
-	void handleSysInfoCommand(const QJsonObject & message, const QString &command, const int tan);
-
-	///
-	/// Handle an incoming JSON Clear message
-	///
-	/// @param message the incoming message
-	///
-	void handleClearCommand(const QJsonObject & message, const QString &command, const int tan);
-
-	///
-	/// Handle an incoming JSON Clearall message
-	///
-	/// @param message the incoming message
-	///
-	void handleClearallCommand(const QJsonObject & message, const QString &command, const int tan);
-
-	///
-	/// Handle an incoming JSON Adjustment message
-	///
-	/// @param message the incoming message
-	///
-	void handleAdjustmentCommand(const QJsonObject & message, const QString &command, const int tan);
-
-	///
-	/// Handle an incoming JSON SourceSelect message
-	///
-	/// @param message the incoming message
-	///
-	void handleSourceSelectCommand(const QJsonObject & message, const QString &command, const int tan);
-	
-	/// Handle an incoming JSON GetConfig message
-	///
-	/// @param message the incoming message
-	///
-	void handleConfigCommand(const QJsonObject & message, const QString &command, const int tan);
-
-	/// Handle an incoming JSON GetConfig message
-	///
-	/// @param message the incoming message
-	///
-	void handleSchemaGetCommand(const QJsonObject & message, const QString &command, const int tan);
-
-	/// Handle an incoming JSON GetConfig message
-	///
-	/// @param message the incoming message
-	///
-	void handleConfigGetCommand(const QJsonObject & message, const QString &command, const int tan);
-
-	///
-	/// Handle an incoming JSON Component State message
-	///
-	/// @param message the incoming message
-	///
-	void handleComponentStateCommand(const QJsonObject & message, const QString &command, const int tan);
-
-	/// Handle an incoming JSON Led Colors message
-	///
-	/// @param message the incoming message
-	///
-	void handleLedColorsCommand(const QJsonObject & message, const QString &command, const int tan);
-
-	/// Handle an incoming JSON Logging message
-	///
-	/// @param message the incoming message
-	///
-	void handleLoggingCommand(const QJsonObject & message, const QString &command, const int tan);
-
-	/// Handle an incoming JSON Proccessing message
-	///
-	/// @param message the incoming message
-	///
-	void handleProcessingCommand(const QJsonObject & message, const QString &command, const int tan);
-
-	///
-	/// Handle an incoming JSON message of unknown type
-	///
-	void handleNotImplemented();
-
-	///
-	/// Send a message to the connected client
-	///
-	/// @param message The JSON message to send
-	///
-	void sendMessage(const QJsonObject & message);
-	void sendMessage(const QJsonObject & message, QTcpSocket * socket);
-
-	///
-	/// Send a standard reply indicating success
-	///
-	void sendSuccessReply(const QString &command="", const int tan=0);
-
-	///
-	/// Send an error message back to the client
-	///
-	/// @param error String describing the error
-	///
-	void sendErrorReply(const QString & error, const QString &command="", const int tan=0);
 
 	///
 	/// Do handshake for a websocket connection
@@ -312,32 +124,9 @@ private:
 	///
 	void handleWebSocketFrame();
 
-	///
-	/// forward json message
-	///
-	void forwardJsonMessage(const QJsonObject & message);
-
-	///
-	/// Check if a JSON messag is valid according to a given JSON schema
-	///
-	/// @param message JSON message which need to be checked
-	/// @param schemaResource Qt Resource identifier with the JSON schema
-	/// @param errors Output error message
-	/// @param ignoreRequired ignore the required value in JSON schema
-	///
-	/// @return true if message conforms the given JSON schema
-	///
-	bool checkJson(const QJsonObject & message, const QString &schemaResource, QString & errors, bool ignoreRequired = false);
-
-	/// returns if hyperion is on or off
-	inline bool hyperionIsActive() { return JsonClientConnection::_componentsPrevState.empty(); };
-	
 	/// The TCP-Socket that is connected tot the Json-client
 	QTcpSocket * _socket;
 
-	/// The processor for translating images to led-values
-	ImageProcessor * _imageProcessor;
-
 	/// Link to Hyperion for writing led-values to a priority channel
 	Hyperion * _hyperion;
 
@@ -350,32 +139,9 @@ private:
 	/// The logger instance
 	Logger * _log;
 
-	/// Flag if forwarder is enabled
-	bool _forwarder_enabled;
-	
-	/// timer for ledcolors streaming
-	QTimer _timer_ledcolors;
-
-	// streaming buffers
-	QJsonObject _streaming_leds_reply;
-	QJsonObject _streaming_image_reply;
-	QJsonObject _streaming_logging_reply;
-
-	/// flag to determine state of log streaming
-	bool _streaming_logging_activated;
-
-	/// mutex to determine state of image streaming
-	QMutex _image_stream_mutex;
-
-	/// timeout for live video refresh
-	volatile qint64 _image_stream_timeout;
-
 	/// address of client
 	QHostAddress _clientAddress;
 
-	/// holds the state before off state
-	static std::map<hyperion::Components, bool> _componentsPrevState;
-
 	// masks for fields in the basic header
 	static uint8_t const BHB0_OPCODE = 0x0F;
 	static uint8_t const BHB0_RSV3   = 0x10;

libsrc/jsonserver/JsonServer.cpp

@@ -5,6 +5,14 @@
 #include <jsonserver/JsonServer.h>
 #include "JsonClientConnection.h"
 
+// hyperion include
+#include <hyperion/MessageForwarder.h>
+
+// qt includes
+#include <QTcpSocket>
+#include <QJsonDocument>
+#include <QByteArray>
+
 JsonServer::JsonServer(uint16_t port)
 	: QObject()
 	, _server()
@@ -28,17 +36,14 @@ JsonServer::JsonServer(uint16_t port)
 	// Set trigger for incoming connections
 	connect(&_server, SIGNAL(newConnection()), this, SLOT(newConnection()));
 
-	// connect delay timer and setup
-	connect(&_timer, SIGNAL(timeout()), this, SLOT(pushReq()));
-	_timer.setSingleShot(true);
-	_blockTimer.setSingleShot(true);
-
-	// register for hyprion state changes (bonjour, config, prioritymuxer, register/unregister source)
-	connect(_hyperion, SIGNAL(hyperionStateChanged()), this, SLOT(pushReq()));
-
 	// make sure the resources are loaded (they may be left out after static linking
 	Q_INIT_RESOURCE(JsonSchemas);
 
+	// receive state of forwarder
+	connect(_hyperion, &Hyperion::componentStateChanged, this, &JsonServer::componentStateChanged);
+
+	// initial connect TODO get initial state from config to stop messing
+	connect(_hyperion, &Hyperion::forwardJsonMessage, this, &JsonServer::forwardJsonMessage);
 }
 
 JsonServer::~JsonServer()
@@ -63,9 +68,6 @@ void JsonServer::newConnection()
 		JsonClientConnection * connection = new JsonClientConnection(socket);
 		_openConnections.insert(connection);
 
-		// register for JSONClientConnection events
-		connect(connection, SIGNAL(pushReq()), this, SLOT(pushReq()));
-
 		// register slot for cleaning up after the connection closed
 		connect(connection, SIGNAL(connectionClosed(JsonClientConnection*)), this, SLOT(closedConnection(JsonClientConnection*)));
 	}
@@ -80,17 +82,75 @@ void JsonServer::closedConnection(JsonClientConnection *connection)
 	connection->deleteLater();
 }
 
-void JsonServer::pushReq()
+void JsonServer::componentStateChanged(const hyperion::Components component, bool enable)
 {
-	if(_blockTimer.isActive())
+	if (component == hyperion::COMP_FORWARDER && _forwarder_enabled != enable)
 	{
-		_timer.start(250);
+		_forwarder_enabled = enable;
-	}
+		Info(_log, "forwarder change state to %s", (enable ? "enabled" : "disabled") );
-	else
+		if(_forwarder_enabled)
-	{
+		{
-		foreach (JsonClientConnection * connection, _openConnections) {
+			connect(_hyperion, &Hyperion::forwardJsonMessage, this, &JsonServer::forwardJsonMessage);
-			connection->forceServerInfo();
+		}
+		else
+		{
+			disconnect(_hyperion, &Hyperion::forwardJsonMessage, this, &JsonServer::forwardJsonMessage);
 		}
-		_blockTimer.start(250);
 	}
 }
+
+void JsonServer::forwardJsonMessage(const QJsonObject &message)
+{
+	QTcpSocket client;
+	QList<MessageForwarder::JsonSlaveAddress> list = _hyperion->getForwarder()->getJsonSlaves();
+
+	for ( int i=0; i<list.size(); i++ )
+	{
+		client.connectToHost(list.at(i).addr, list.at(i).port);
+		if ( client.waitForConnected(500) )
+		{
+			sendMessage(message,&client);
+			client.close();
+		}
+	}
+}
+
+void JsonServer::sendMessage(const QJsonObject & message, QTcpSocket * socket)
+{
+	// serialize message
+	QJsonDocument writer(message);
+	QByteArray serializedMessage = writer.toJson(QJsonDocument::Compact) + "\n";
+
+	// write message
+	socket->write(serializedMessage);
+	if (!socket->waitForBytesWritten())
+	{
+		Debug(_log, "Error while writing data to host");
+		return;
+	}
+
+	// read reply data
+	QByteArray serializedReply;
+	while (!serializedReply.contains('\n'))
+	{
+		// receive reply
+		if (!socket->waitForReadyRead())
+		{
+			Debug(_log, "Error while writing data from host");
+			return;
+		}
+
+		serializedReply += socket->readAll();
+	}
+
+	// parse reply data
+	QJsonParseError error;
+	QJsonDocument reply = QJsonDocument::fromJson(serializedReply ,&error);
+
+	if (error.error != QJsonParseError::NoError)
+	{
+		Error(_log, "Error while parsing reply: invalid json");
+		return;
+	}
+
+}

libsrc/utils/CMakeLists.txt

@@ -6,6 +6,7 @@ SET(CURRENT_SOURCE_DIR ${CMAKE_SOURCE_DIR}/libsrc/utils)
 SET(Utils_QT_HEADERS
 	${CURRENT_HEADER_DIR}/Logger.h
 	${CURRENT_HEADER_DIR}/Stats.h
+	${CURRENT_HEADER_DIR}/JsonProcessor.h
 )
 
 SET(Utils_HEADERS
@@ -46,6 +47,7 @@ SET(Utils_SOURCES
 	${CURRENT_SOURCE_DIR}/RgbToRgbw.cpp
 	${CURRENT_SOURCE_DIR}/SysInfo.cpp
 	${CURRENT_SOURCE_DIR}/Stats.cpp
+	${CURRENT_SOURCE_DIR}/JsonProcessor.cpp
 	${CURRENT_SOURCE_DIR}/jsonschema/QJsonSchemaChecker.cpp
 )
 

libsrc/utils/Stats.cpp

@@ -23,7 +23,7 @@ Stats::Stats()
 	{
 		if (!(interface.flags() & QNetworkInterface::IsLoopBack))
 		{
-			_hyperion->id = QString(QCryptographicHash::hash(interface.hardwareAddress().toLocal8Bit().append(_hyperion->getConfigFile().toLocal8Bit()),QCryptographicHash::Sha1).toHex());
+			_hyperion->id = QString(QCryptographicHash::hash(interface.hardwareAddress().toLocal8Bit().append(_hyperion->getConfigFileName().toLocal8Bit()),QCryptographicHash::Sha1).toHex());
 			_hash = QString(QCryptographicHash::hash(interface.hardwareAddress().toLocal8Bit(),QCryptographicHash::Sha1).toHex());
 			break;
 		}
@@ -34,7 +34,7 @@ Stats::Stats()
 	{
 		Warning(_log, "No interface found, abort");
 		// fallback id
-		_hyperion->id = QString(QCryptographicHash::hash(_hyperion->getConfigFile().toLocal8Bit(),QCryptographicHash::Sha1).toHex());
+		_hyperion->id = QString(QCryptographicHash::hash(_hyperion->getConfigFileName().toLocal8Bit(),QCryptographicHash::Sha1).toHex());
 		return;
 	}