/// <summary>
/// Handler for CpDeviceList if devices are removed from the network (they should
/// send a bye if they went offline, or announcement keep alive is over).
/// </summary>
/// <param name="aList"></param>
/// <param name="aDevice"></param>
private void DeviceRemoved(OpenHome.Net.ControlPoint.CpDeviceList aList, OpenHome.Net.ControlPoint.CpDevice aDevice)
{
String udn = aDevice.Udn();
try
{
UPnPDevice dev = deviceList [udn];
lock (deviceList)
{
deviceList [udn].Free();
deviceList.Remove(udn);
}
PrintDeviceInfo("Removed", aDevice);
OnDeviceRemoved(dev);
} catch (KeyNotFoundException)
{
Utils.Logger.Log(Utils.Logger.Level.Error, "Wanted to remove a UPnP-Device from my list but it's already gone!? :/");
}
}
/// <summary>
/// Prints some device information.
/// </summary>
/// <param name="aPrologue"></param>
/// <param name="aDevice"></param>
private void PrintDeviceInfo(string aPrologue, OpenHome.Net.ControlPoint.CpDevice aDevice)
{
string location;
aDevice.GetAttribute("Upnp.Location", out location);
string friendlyName;
aDevice.GetAttribute("Upnp.FriendlyName", out friendlyName);
Utils.Logger.Log(Utils.Logger.Level.Debug,
aPrologue +
"\n udn = " + aDevice.Udn() +
"\n location = " + location +
"\n name = " + friendlyName
);
}
/// <summary>
/// Handler for CpDeviceList if devices are found on the network.
/// </summary>
/// <param name="aList"></param>
/// <param name="aDevice"></param>
private void DeviceAdded(OpenHome.Net.ControlPoint.CpDeviceList aList, OpenHome.Net.ControlPoint.CpDevice aDevice)
{
lock (deviceList)
{
PrintDeviceInfo("Found", aDevice);
string deviceXml;
aDevice.GetAttribute("Upnp.DeviceXml", out deviceXml);
XmlDocument xmlDeviceDescription = new XmlDocument();
xmlDeviceDescription.LoadXml(deviceXml);
if (UPnPTools.isMediaRenderer(xmlDeviceDescription))
{
deviceList.Add(aDevice.Udn(), new UPnPDevice(aDevice, xmlDeviceDescription));
Utils.Logger.Log(Utils.Logger.Level.Debug, "Found usefull MediaRenderer: " + deviceList [aDevice.Udn()].FriendlyName);
OnDeviceDiscovered(deviceList [aDevice.Udn()]);
}
}
}