Websocket auto serverinfo responder (#443)

* serverinfo cb

* remove webui cron

* missing header file

* tcp connection should trigger to

assets/webconfig/content/connection_lost.html

@@ -51,7 +51,6 @@ function connectionLostAction()
 {
 	if(!connectionLost)
 	{
-		window.clearInterval(cronId);
 		connectionLost = true;
 		connectionTimer = window.setInterval(tryReconnect, 4000);
 	}

assets/webconfig/content/restart.html

@@ -37,7 +37,6 @@ function restartAction()
 {
 	if(!connectionLost)
 	{
-		window.clearInterval(cronId);
 		connectionLost = true;
 		connectionTimer = window.setInterval(tryReconnect, 1000);
 	}

assets/webconfig/js/hyperion.js

@@ -15,7 +15,6 @@ var jsonPort = 19444;
 var websocket = null;
 var hyperion = {};
 var wsTan = 1;
-var cronId = 0;
 var ledStreamActive  = false;
 var imageStreamActive = false;
 var loggingStreamActive = false;
@@ -32,13 +31,6 @@ function initRestart()
 	connectionLostDetection('restart');
 }
 
-function cron()
-{
-	requestServerInfo();
-	$(hyperion).trigger({type:"cron"});
-}
-
-
 function connectionLostDetection(type)
 {
 	if ( watchdog > 2 )
@@ -82,7 +74,6 @@ function initWebSocket()
 					$(hyperion).on("cmd-serverinfo", function(event) {
 						watchdog = 0;
 					});
-					cronId = window.setInterval(cron,2000);
 				};
 
 				websocket.onclose = function (event) {

include/hyperion/Hyperion.h

@@ -13,6 +13,7 @@
 #include <QJsonObject>
 #include <QJsonValue>
 #include <QJsonArray>
+#include <QTimer>
 
 // hyperion-utils includes
 #include <utils/Image.h>
@@ -170,9 +171,9 @@ public:
 
 	ComponentRegister& getComponentRegister() { return _componentRegister; };
 
-	bool configModified();
+	bool configModified() { return _configMod; };
 
-	bool configWriteable();
+	bool configWriteable() { return _configWrite; };
 
 	/// gets the methode how image is maped to leds
 	int getLedMappingType() { return _ledMAppingType; };
@@ -308,6 +309,9 @@ 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
+	void hyperionStateChanged();
+
 private slots:
 	///
 	/// Updates the priority muxer with the current time and (re)writes the led color with applied
@@ -316,9 +320,12 @@ private slots:
 	void update();
 
 	void currentBonjourRecordsChanged(const QList<BonjourRecord> &list);
-    void bonjourRecordResolved(const QHostInfo &hostInfo, int port);
+	void bonjourRecordResolved(const QHostInfo &hostInfo, int port);
 	void bonjourResolve();
 
+	/// check for configWriteable and modified changes, called by _cTimer timeout()
+	void checkConfigState();
+
 private:
 	
 	///
@@ -335,6 +342,7 @@ private:
 	LedString _ledStringClone;
 
 	std::vector<ColorOrder> _ledStringColorOrder;
+	
 	/// The priority muxer
 	PriorityMuxer _muxer;
 
@@ -356,7 +364,7 @@ private:
 	// json configuration
 	const QJsonObject& _qjsonConfig;
 
-	// the name of config file
+	/// the name of config file
 	QString _configFile;
 
 	/// The timer for handling priority channel timeouts
@@ -396,4 +404,15 @@ private:
 	BonjourServiceResolver _bonjourResolver;
 	BonjourRegister        _hyperionSessions;
 	QString                _bonjourCurrentServiceToResolve;
+
+	/// Interval timer to check config write and mod
+	QTimer _cTimer;
+
+	/// holds the prev states of configWriteable and modified
+	bool _prevConfigMod = false;
+	bool _prevConfigWrite = true;
+
+	/// holds the current states of configWriteable and modified
+	bool _configMod = false;
+	bool _configWrite = true;
 };

include/hyperion/PriorityMuxer.h

@@ -8,6 +8,8 @@
 
 // QT includes
 #include <QMap>
+#include <QObject>
+#include <QTimer>
 
 // Utils includes
 #include <utils/ColorRgb.h>
@@ -18,8 +20,9 @@
 /// and the muxer keeps track of all active priorities. The current priority can be queried and per
 /// priority the led colors.
 ///
-class PriorityMuxer
+class PriorityMuxer : public QObject
 {
+	Q_OBJECT
 public:
 	///
 	/// The information structure for a single priority channel
@@ -118,6 +121,18 @@ public:
 	///
 	void setCurrentTime(const int64_t& now);
 
+signals:
+	///
+	/// Signal which is called, when a effect or color with timeout is running, once per second
+	///
+	void timerunner();
+
+private slots:
+	///
+	/// Slots which is called to adapt to 1s interval for signal timerunner()
+	///
+	void emitReq();
+
 private:
 	/// The current priority (lowest value in _activeInputs)
 	int _currentPriority;
@@ -128,4 +143,7 @@ private:
 	/// The information of the lowest priority channel
 	InputInfo _lowestPriorityInfo;
 
+	QTimer _timer;
+	QTimer _blockTimer;
+
 };

include/jsonserver/JsonServer.h

@@ -6,6 +6,7 @@
 // Qt includes
 #include <QTcpServer>
 #include <QSet>
+#include <QTimer>
 
 // Hyperion includes
 #include <hyperion/Hyperion.h>
@@ -41,6 +42,10 @@ 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
@@ -52,9 +57,15 @@ private:
 	/// The TCP server object
 	QTcpServer _server;
 
+	/// Link to Hyperion to get hyperion state emiter
+	Hyperion * _hyperion;
+
 	/// List with open connections
 	QSet<JsonClientConnection *> _openConnections;
 
 	/// the logger instance
 	Logger * _log;
+
+	QTimer _timer;
+	QTimer _blockTimer;
 };

libsrc/hyperion/CMakeLists.txt

@@ -11,13 +11,13 @@ SET(Hyperion_QT_HEADERS
 	${CURRENT_SOURCE_DIR}/LinearColorSmoothing.h
 	${CURRENT_HEADER_DIR}/GrabberWrapper.h
 	${CURRENT_HEADER_DIR}/ComponentRegister.h
+	${CURRENT_HEADER_DIR}/PriorityMuxer.h
 )
 
 SET(Hyperion_HEADERS
 	${CURRENT_HEADER_DIR}/ImageProcessorFactory.h
 	${CURRENT_HEADER_DIR}/ImageToLedsMap.h
 	${CURRENT_HEADER_DIR}/LedString.h
-	${CURRENT_HEADER_DIR}/PriorityMuxer.h
 
 	${CURRENT_SOURCE_DIR}/MultiColorAdjustment.h
 	${CURRENT_HEADER_DIR}/MessageForwarder.h

libsrc/hyperion/Hyperion.cpp

@@ -4,6 +4,7 @@
 #include <exception>
 #include <sstream>
 #include <unistd.h>
+#include <iostream>
 
 // QT includes
 #include <QDateTime>
@@ -444,9 +445,13 @@ Hyperion::Hyperion(const QJsonObject &qjsonConfig, const QString configFile)
 	Debug(_log,"configured leds: %d hw leds: %d", getLedCount(), _hwLedCount);
 	WarningIf(hwLedCount < getLedCount(), _log, "more leds configured than available. check 'ledCount' in 'device' section");
 
-	WarningIf(!configWriteable(), _log, "Your config is not writeable - you won't be able to use the web ui for configuration.");
-	// initialize hash of current config
-	configModified();
+	// setup interval timer for config state checks	and initial shot
+	checkConfigState();
+        QObject::connect(&_cTimer, SIGNAL(timeout()), this, SLOT(checkConfigState()));
+        _cTimer.start(2000);
+
+	// pipe muxer signal for effect/color timerunner to hyperionStateChanged signal
+	QObject::connect(&_muxer, &PriorityMuxer::timerunner, this, &Hyperion::hyperionStateChanged);
 
 	const QJsonObject & generalConfig = qjsonConfig["general"].toObject();
 	_configVersionId = generalConfig["configVersion"].toInt(-1);
@@ -511,6 +516,9 @@ void Hyperion::bonjourRecordResolved(const QHostInfo &hostInfo, int port)
 		_hyperionSessions[_bonjourCurrentServiceToResolve].port     = port;
 		_hyperionSessions[_bonjourCurrentServiceToResolve].address  = hostInfo.addresses().isEmpty() ? "" : hostInfo.addresses().first().toString();
 		Debug(_log, "found hyperion session: %s:%d",QSTRING_CSTR(hostInfo.hostName()), port);
+
+		//emit change
+		emit hyperionStateChanged();
 	}
 }
 
@@ -532,9 +540,9 @@ Hyperion::BonjourRegister Hyperion::getHyperionSessions()
 	return _hyperionSessions;
 }
 
-bool Hyperion::configModified()
+void Hyperion::checkConfigState()
 {
-	bool isModified = false;
+	// Check config modifications	
 	QFile f(_configFile);
 	if (f.open(QFile::ReadOnly))
 	{
@@ -545,25 +553,29 @@ bool Hyperion::configModified()
 			{
 				_configHash = hash.result();
 			}
-			else
-			{
-				isModified = _configHash != hash.result();
-			}
+			_configMod = _configHash != hash.result() ? true : false;
 		}
 	}
 	f.close();
 
-	return isModified;
-}
+	if(_prevConfigMod != _configMod)
+	{
+		emit hyperionStateChanged();
+		_prevConfigMod = _configMod;
+	}
 
-bool Hyperion::configWriteable()
-{
+	// Check config writeable
 	QFile file(_configFile);
 	QFileInfo fileInfo(file);
-	return fileInfo.isWritable() && fileInfo.isReadable();
+	_configWrite = fileInfo.isWritable() && fileInfo.isReadable() ? true : false;
+	
+	if(_prevConfigWrite != _configWrite)
+	{	
+		emit hyperionStateChanged();
+		_prevConfigWrite = _configWrite;
+	}
 }
 
-
 void Hyperion::registerPriority(const QString &name, const int priority/*, const QString &origin*/)
 {
 	Info(_log, "Register new input source named '%s' for priority channel '%d'", QSTRING_CSTR(name), priority );
@@ -575,12 +587,14 @@ void Hyperion::registerPriority(const QString &name, const int priority/*, const
 	}
 
 	_priorityRegister.insert(name, priority);
+	emit hyperionStateChanged();
 }
 
 void Hyperion::unRegisterPriority(const QString &name)
 {
 	Info(_log, "Unregister input source named '%s' from priority register", QSTRING_CSTR(name));
 	_priorityRegister.remove(name);
+	emit hyperionStateChanged();
 }
 
 void Hyperion::setSourceAutoSelectEnabled(bool enabled)
@@ -868,7 +882,8 @@ void Hyperion::update()
 	else
 	{
 		int timeout_ms = std::max(0, int(priorityInfo.timeoutTime_ms - QDateTime::currentMSecsSinceEpoch()));
-		_timer.start(timeout_ms);
+		// std::min() 200ms forced refresh if color is active to update priorityMuxer properly for forced serverinfo push
+		_timer.start(std::min(timeout_ms, 200));
 	}
 
 }

libsrc/hyperion/PriorityMuxer.cpp

@@ -1,4 +1,4 @@
-
+#include <iostream>
 // STL includes
 #include <algorithm>
 #include <stdexcept>
@@ -18,6 +18,11 @@ PriorityMuxer::PriorityMuxer(int ledCount)
 	_lowestPriorityInfo.origin         = "System";
 
 	_activeInputs[_currentPriority] = _lowestPriorityInfo;
+
+	// do a reuqest after blocking timer runs out
+	connect(&_timer, SIGNAL(timeout()), this, SLOT(emitReq()));
+	_timer.setSingleShot(true);
+	_blockTimer.setSingleShot(true);
 }
 
 PriorityMuxer::~PriorityMuxer()
@@ -96,9 +101,28 @@ void PriorityMuxer::setCurrentTime(const int64_t& now)
 			infoIt = _activeInputs.erase(infoIt);
 		}
 		else
-		{
+		{			
 			_currentPriority = std::min(_currentPriority, infoIt->priority);
+			
+			// call emitReq when effect or color is running with timeout > -1, blacklist prio 255
+			if(infoIt->priority < 254 && infoIt->timeoutTime_ms > -1 && (infoIt->componentId == hyperion::COMP_EFFECT || infoIt->componentId == hyperion::COMP_COLOR))
+			{
+				emitReq();
+			}
 			++infoIt;
 		}
 	}
 }
+
+void PriorityMuxer::emitReq()
+{
+	if(_blockTimer.isActive())
+	{
+		_timer.start(500);
+	}
+	else
+	{
+		emit timerunner();
+		_blockTimer.start(1000);
+	}
+}

libsrc/jsonserver/JsonClientConnection.cpp

@@ -48,7 +48,6 @@
 
 using namespace hyperion;
 
-int _connectionCounter = 0;
 std::map<hyperion::Components, bool> JsonClientConnection::_componentsPrevState;
 
 JsonClientConnection::JsonClientConnection(QTcpSocket *socket)
@@ -83,7 +82,7 @@ JsonClientConnection::~JsonClientConnection()
 void JsonClientConnection::readData()
 {
 	_receiveBuffer += _socket->readAll();
-	
+
 	if (_webSocketHandshakeDone)
 	{
 		// websocket mode, data frame
@@ -237,6 +236,7 @@ void JsonClientConnection::doWebSocketHandshake()
 
 	_socket->write(h.str().c_str());
 	_socket->flush();
+
 	// we are in WebSocket mode, data frames should follow next
 	_webSocketHandshakeDone = true;
 }
@@ -1394,6 +1394,14 @@ void JsonClientConnection::sendSuccessReply(const QString &command, const int ta
 
 	// send reply
 	sendMessage(reply);
+
+	// blacklisted commands for emitter
+	QVector<QString> vector;
+	vector << "ledcolors-imagestream-stop" << "ledcolors-imagestream-start" << "ledcolors-ledstream-stop" << "ledcolors-ledstream-start" << "logging-start" << "logging-stop";
+	if(vector.indexOf(command) == -1)
+	{
+		emit pushReq();
+	}
 }
 
 void JsonClientConnection::sendErrorReply(const QString &error, const QString &command, const int tan)
@@ -1510,4 +1518,11 @@ void JsonClientConnection::setImage(int priority, const Image<ColorRgb> & image,
 	}
 }
 
+void JsonClientConnection::forceServerInfo()
+{
+	const QString command("serverinfo");
+	const int tan = 1;
+	const QJsonObject obj;
+	handleServerInfoCommand(obj,command,tan);
+}
 

libsrc/jsonserver/JsonClientConnection.h

@@ -114,6 +114,11 @@ public:
 	///
 	~JsonClientConnection();
 
+	///
+	/// send a forced serverinfo to a client
+	///
+	void forceServerInfo();
+
 public slots:
 	void componentStateChanged(const hyperion::Components component, bool enable);
 	void streamLedcolorsUpdate();
@@ -127,6 +132,11 @@ 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

libsrc/jsonserver/JsonServer.cpp

@@ -8,6 +8,7 @@
 JsonServer::JsonServer(uint16_t port)
 	: QObject()
 	, _server()
+	, _hyperion(Hyperion::getInstance())
 	, _openConnections()
 	, _log(Logger::getInstance("JSONSERVER"))
 {
@@ -27,6 +28,14 @@ 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);
 
@@ -50,10 +59,13 @@ void JsonServer::newConnection()
 
 	if (socket != nullptr)
 	{
-		Debug(_log, "New connection");
+		Debug(_log, "New connection from: %s ",socket->localAddress().toString().toStdString().c_str());
 		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*)));
 	}
@@ -67,3 +79,18 @@ void JsonServer::closedConnection(JsonClientConnection *connection)
 	// schedule to delete the connection object
 	connection->deleteLater();
 }
+
+void JsonServer::pushReq()
+{
+	if(_blockTimer.isActive())
+	{
+		_timer.start(250);
+	}
+	else
+	{
+		foreach (JsonClientConnection * connection, _openConnections) {
+			connection->forceServerInfo();
+		}
+		_blockTimer.start(250);
+	}
+}