protected void CheckConnect(ClientDescriptor clientDescriptor)
{
// Check if client is attached and connect if it is an attached client
string clientSystemId = clientDescriptor.MPFrontendServerUUID;
lock (_networkTracker.SharedControlPointData.SyncObj)
{
if (!_attachedClientSystemIds.Contains(clientSystemId))
return;
if (_clientConnections.ContainsKey(clientSystemId))
return;
}
DeviceConnection connection;
try
{
connection = _controlPoint.Connect(clientDescriptor.ClientDeviceDescriptor.RootDescriptor, clientSystemId,
UPnPExtendedDataTypes.ResolveDataType);
}
catch (Exception e)
{
ServiceRegistration.Get<ILogger>().Warn(
"UPnPServerControlPoint: Error connecting to UPnP MP2 frontend server '{0}'", e, clientSystemId);
return;
}
try
{
ClientConnection clientConnection = new ClientConnection(_controlPoint, connection, clientDescriptor);
lock (_networkTracker.SharedControlPointData.SyncObj)
_clientConnections.Add(clientDescriptor.MPFrontendServerUUID, clientConnection);
clientConnection.ClientDeviceDisconnected += OnClientDisconnected;
}
catch (Exception e)
{
ServiceRegistration.Get<ILogger>().Warn(
"UPnPServerControlPoint: Error connecting to services of UPnP MP2 frontend server '{0}'", e, clientSystemId);
_controlPoint.Disconnect(connection);
return;
}
InvokeClientConnected(clientDescriptor);
}
protected void InvokeClientDeviceDisconnected(ClientConnection connection)
{
ClientDeviceDisconnectedDlgt dlgt = ClientDeviceDisconnected;
if (dlgt != null)
dlgt(this);
}
void OnClientDisconnected(ClientConnection clientConnection)
{
ClientDescriptor descriptor = clientConnection.Descriptor;
lock (_networkTracker.SharedControlPointData.SyncObj)
{
string deviceUuid = descriptor.MPFrontendServerUUID;
if (!_clientConnections.ContainsKey(deviceUuid))
return;
_clientConnections.Remove(deviceUuid);
}
InvokeClientDisconnected(descriptor);
}