Change Aurora device support to cover additional Nanoleaf devices

* Support Nanoleaf LightPanels (aka Aurora) and Canvas
* Add Nanoleaf Device discovery
* Update SSDPDiscover to be generic for given services

libsrc/leddevice/dev_net/LedDeviceNanoleaf.h

@@ -0,0 +1,148 @@
+#pragma once
+
+// Leddevice includes
+#include <leddevice/LedDevice.h>
+#include "ProviderUdp.h"
+
+// ssdp discover
+#include <ssdp/SSDPDiscover.h>
+
+// Qt includes
+#include <QString>
+#include <QNetworkAccessManager>
+
+///
+/// Implementation of the LedDevice interface for sending to
+/// Nanoleaf devices via network by using the 'external control' protocol.
+///
+class LedDeviceNanoleaf : public ProviderUdp
+{
+public:
+    ///
+    /// Constructs the LedDevice for Nanoleaf LightPanels (aka Aurora) or Canvas
+    ///
+    /// following code shows all config options
+    /// @code
+    /// "device" :
+    /// {
+    ///     "type"   : "nanoleaf"
+    ///     "output" : "hostname or IP", // Optional. If empty, device is tried to be discovered
+    ///     "token"  : "Authentication Token",
+    /// },
+    ///@endcode
+    ///
+    /// @param deviceConfig json config for nanoleaf
+    ///
+    LedDeviceNanoleaf(const QJsonObject &deviceConfig);
+
+    ///
+    /// Destructor of the LedDevice; closes the tcp client
+    ///
+    virtual ~LedDeviceNanoleaf();
+
+    /// Constructs leddevice
+    static LedDevice* construct(const QJsonObject &deviceConfig);
+
+    /// Switch the leds on
+    virtual int switchOn();
+
+    /// Switch the leds off
+    virtual int switchOff();
+
+protected:
+
+    ///
+    /// Writes the led color values to the led-device
+    ///
+    /// @param ledValues The color-value per led
+    /// @return Zero on succes else negative
+    ///
+    virtual int write(const std::vector<ColorRgb> & ledValues);
+
+    ///
+    /// Identifies a Nanoleaf device's panel configuration,
+    /// sets device into External Control (UDP) mode
+    ///
+    /// @param deviceConfig the json device config
+    /// @return true if success
+    /// @exception runtime_error in case device cannot be initialised
+    /// e.g. more LEDs configured than device has panels or network problems
+    ///
+    bool init(const QJsonObject &deviceConfig);
+
+private:
+    // QNetworkAccessManager object for sending requests.
+    QNetworkAccessManager* _networkmanager;
+
+    QString _hostname;
+    QString _api_port;
+    QString _auth_token;
+
+    //Nanoleaf device details
+    QString _deviceModel;
+    QString _deviceFirmwareVersion;
+    ushort _extControlVersion;
+    /// The number of panels with leds
+    int _panelLedCount;
+    /// Array of the pannel ids.
+    std::vector<uint> _panelIds;
+
+    ///
+    /// Discover Nanoleaf device via SSDP identifiers
+    ///
+    /// @return True, if Nanoleaf device was found
+    ///
+    bool discoverNanoleafDevice();
+
+    ///
+    /// Change Nanoleaf device to External Control (UDP) mode
+    ///
+    /// @return Response from device
+    ///
+    QJsonDocument changeToExternalControlMode();
+
+    ///
+    /// Get command to switch Nanoleaf device on or off
+    ///
+    /// @param isOn True, if to switch on device
+    /// @return Command to switch device on/off
+    ///
+    QString getOnOffRequest (bool isOn ) const;
+
+    ///
+    /// Get command as url
+    ///
+    /// @param host Hostname or IP
+    /// @param port IP-Port
+    /// @param _auth_token Authorization token
+    /// @param Endpoint command for request
+    /// @return Url to execute endpoint/command
+    ///
+    QString getUrl(QString host, QString port, QString auth_token, QString endpoint) const;
+
+    ///
+    /// Execute GET request
+    ///
+    /// @param url GET request for url
+    /// @return Response from device
+    ///
+    QJsonDocument getJson(QString url) const;
+
+    ///
+    /// Execute PUT request
+    ///
+    /// @param Url for PUT request
+    /// @param json Command for request
+    /// @return Response from device
+    ///
+    QJsonDocument putJson(QString url, QString json) const;
+
+    ///
+    /// Handle replys for GET and PUT requests
+    ///
+    /// @param reply Network reply
+    /// @return Response for request, if no error
+    /// @exception runtime_error for network or request errors
+    ///
+    QJsonDocument handleReply(QNetworkReply* const &reply ) const;
+};