mDNS Support (#1452)

* Allow build, if no grabbers are enabled

* Align available functions to right Qt version

* Update to next development version

* Align available functions to right Qt version

* fix workflows (apt/nightly)

* Disable QNetworkConfigurationManager deprecation warnings

* Initial go on Smart Pointers

* Add Deallocation

* Correct QT_WARNING_DISABLE_DEPRECATED (available since 5.9)

* Cluster Build Variables

* Hyperion Light

* Address build warnings

* Hyperion Light - UI

* Update Protobuf to latest master

* Removed compiler warnings

* Added restart ability to systray

* Correct Protobuf

* Ignore 'no-return' warning on protobuf build

* hyperion-remote: Fix auto discovery of hyperion server

* Fix Qt version override

* Update changelog

* Remove Grabber Components, if no Grabber exists

* Standalone Grabber - Fix fps default

* Remote Control - Have Source Selction accrosswhole screen

* Enable Blackborder detection only, if relevant input sources available

* Enable Blackborder detection only, if relevant input sources available

* Remote UI - rearrange containers

* Checkout

* Fix compilation on windows

* Re-added qmdnsengine template cmake

* chrono added for linux

* Removed existing AVAHI/Bonjour, allow to enable/disable mDNS

* hyperiond macos typo fix

* Fix macOS Bundle build

* Fix macOS bundle info details

* Correct CMake files

* Removed existing AVAHI/Bonjour (2)

* Share hyperion's services via mDNS

* Add mDNS Browser and mDNS for LED-Devices

* Support mDNS discovery for standalone grabbers

* Remove ZLib Dependency & Cleanup

* mDNS - hanle 2.local2 an ".local." domains equally

* Hue - Link discovery to bridge class, workaround port 443 for mDNS discovery

* Fix save button state when switching between devices

* Removed sessions (of other hyperions)

* mDNS Publisher - Simplify service naming

* mDNS refactoring & Forwarder discovery

* mDNS Updates to use device service name

* Consistency of standalone grabbers with mDNS Service Registry

* Merge branch 'hyperion-project:master' into mDNS

* Start JSON and WebServers only after Instance 0 is available

* Remove bespoke qDebug Output again

* MDNS updates and refactor Forwarder

* Minor updates

* Upgrade to CMake 3.1

* typo

* macOS fix

* Correct merge

* - Remove dynamic linker flag from standalone dispmanX Grabber
- Added ability to use system qmdns libs

* Cec handler library will load at runtime

* typo fix

* protobuf changes

* mDNS changes for Windows/macOS

* test window build qmdnsengine

* absolute path to protobuf cmake dir

* Rework Hue Wizard supporting mDNS

* LED-Devices - Retry support + Refactoring (excl. Hue)

* LED-Devices - Refactoring/Retry support Hue + additional alignments

* Address LGTM findings

* Fix CI-Build, revert test changes

* Build Windows in Release mode to avoid python problem

* Correct that WebServerObject is available earlier

* Ensure that instance name in logs for one instance are presented

* Update content LEDs

* Rework mDNS Address lookup

* Fix LED UI

* Fix for non mDNS Services (ignore default port)

* Disbale device when now input is available

* Revert back some updates, ensure last color is updated when switched on

* Handle reopening case and changed IP, port for API-calls

* Add UPD-DDP Device

* WLED support for DDP

* Fix printout

* LEDDevice - Allow more retries, udapte defaults

* LED-Net Devices - Select Custom device, if configured

Co-authored-by: Paulchen Panther <16664240+Paulchen-Panther@users.noreply.github.com>
Co-authored-by: Paulchen Panther <Paulchen-Panter@protonmail.com>

libsrc/leddevice/dev_net/ProviderUdpSSL.h

@@ -23,19 +23,6 @@
 
 #if defined(MBEDTLS_PLATFORM_C)
 #include <mbedtls/platform.h>
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_time         time
-#define mbedtls_time_t       time_t
-#define mbedtls_printf       printf
-#define mbedtls_fprintf      fprintf
-#define mbedtls_snprintf     snprintf
-#define mbedtls_calloc       calloc
-#define mbedtls_free         free
-#define mbedtls_exit         exit
-#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
 #endif
 
 #include <string.h>
@@ -50,12 +37,6 @@
 #include <mbedtls/error.h>
 #include <mbedtls/debug.h>
 
-//----------- END mbedtls
-
-constexpr std::chrono::milliseconds STREAM_SSL_HANDSHAKE_TIMEOUT_MIN{400};
-constexpr std::chrono::milliseconds STREAM_SSL_HANDSHAKE_TIMEOUT_MAX{1000};
-constexpr std::chrono::milliseconds STREAM_SSL_READ_TIMEOUT{0};
-
 class ProviderUdpSSL : public LedDevice
 {
 	Q_OBJECT
@@ -71,6 +52,11 @@ public:
 	///
 	~ProviderUdpSSL() override;
 
+	///
+	QString      _hostName;
+	QHostAddress _address;
+	int          _port;
+
 protected:
 
 	///
@@ -102,6 +88,18 @@ protected:
 	///
 	bool initNetwork();
 
+	///
+	/// @brief Start astreaming connection
+	///
+	/// @return True, if success
+	///
+	bool startConnection();
+
+	///
+	/// @brief Stop the streaming connection
+	///
+	void stopConnection();
+
 	///
 	/// Writes the given bytes/bits to the UDP-device and sleeps the latch time to ensure that the
 	/// values are latched.
@@ -109,7 +107,7 @@ protected:
 	/// @param[in] size The length of the data
 	/// @param[in] data The data
 	///
-	void writeBytes(unsigned int size, const uint8_t *data);
+	void writeBytes(unsigned int size, const uint8_t* data, bool flush = false);
 
 	///
 	/// get ciphersuites list from mbedtls_ssl_list_ciphersuites
@@ -118,36 +116,16 @@ protected:
 	///
 	virtual const int * getCiphersuites() const;
 
-	void sslLog(const QString &msg, const char* errorType = "debug");
-	void sslLog(const char* msg, const char* errorType = "debug");
-	void configLog(const char* msg, const char* type, ...);
-
-	/**
-	 * Debug callback for mbed TLS
-	 * Just prints on the USB serial port
-	 */
-	static void ProviderUdpSSLDebug(void* ctx, int level, const char* file, int line, const char* str);
-
-	/**
-	 * Certificate verification callback for mbed TLS
-	 * Here we only use it to display information on each cert in the chain
-	 */
-	static int ProviderUdpSSLVerify(void* data, mbedtls_x509_crt* crt, int depth, uint32_t* flags);
-
-	///
-	/// closeSSLNotify and freeSSLConnection
-	///
-	void closeSSLConnection();
-
 private:
 
 	bool initConnection();
+
 	bool seedingRNG();
 	bool setupStructure();
-	bool startUPDConnection();
+
 	bool setupPSK();
 	bool startSSLHandshake();
-	void handleReturn(int ret);
+
 	QString errorMsg(int ret);
 	void closeSSLNotify();
 	void freeSSLConnection();
@@ -160,24 +138,19 @@ private:
 	mbedtls_ctr_drbg_context     ctr_drbg;
 	mbedtls_timing_delay_context timer;
 
-	QMutex       _hueMutex;
 	QString      _transport_type;
 	QString      _custom;
-	QHostAddress _address;
-	QString      _defaultHost;
-	int          _port;
 	int          _ssl_port;
 	QString      _server_name;
 	QString      _psk;
 	QString      _psk_identity;
-	uint32_t     _read_timeout;
+
+	int          _handshake_attempts;
 	uint32_t     _handshake_timeout_min;
 	uint32_t     _handshake_timeout_max;
-	unsigned int _handshake_attempts;
-	int          _retry_left;
-	bool         _stopConnection;
-	bool         _debugStreamer;
-	int          _debugLevel;
+
+	bool         _streamReady;
+	bool         _streamPaused;
 };
 
 #endif // PROVIDERUDPSSL_H