public ClientConnection(UPnPControlPoint controlPoint, DeviceConnection connection, ClientDescriptor clientDescriptor)
{
_controlPoint = controlPoint;
_connection = connection;
_clientDescriptor = clientDescriptor;
_connection.DeviceDisconnected += OnUPnPDeviceDisconnected;
try
{
CpService ccsStub = connection.Device.FindServiceByServiceId(UPnPTypesAndIds.CLIENT_CONTROLLER_SERVICE_ID);
if (ccsStub == null)
{
throw new InvalidDataException("ClientController service not found in device '{0}' of type '{1}:{2}'",
clientDescriptor.MPFrontendServerUUID,
UPnPTypesAndIds.FRONTEND_SERVER_DEVICE_TYPE, UPnPTypesAndIds.FRONTEND_SERVER_DEVICE_TYPE_VERSION);
}
lock (_connection.CPData.SyncObj)
_clientController = new UPnPClientControllerServiceProxy(ccsStub);
// TODO: other services
}
catch (Exception)
{
_connection.DeviceDisconnected -= OnUPnPDeviceDisconnected;
throw;
}
}
protected void CompleteClientConnection(ClientDescriptor client)
{
if (!ValidateAttachmentState(client))
return;
UpdateClientSystem(client.MPFrontendServerUUID, client.System, client.ClientName);
ClientManagerMessaging.SendConnectionStateChangedMessage(ClientManagerMessaging.MessageType.ClientOnline, client);
}
void OnClientConnected(ClientDescriptor client)
{
UpdateClientSetOnline(client.MPFrontendServerUUID, client.System);
// This method is called as a result of our control point's attempt to connect to the (allegedly attached) client;
// But maybe the client isn't attached any more to this server (it could have detached while the server wasn't online).
// So we will validate if the client is still attached.
ServiceRegistration.Get<IThreadPool>().Add(() => CompleteClientConnection(client));
}
public override bool Equals(object obj)
{
ClientDescriptor other = obj as ClientDescriptor;
if (obj == null)
{
return(false);
}
return(other == this);
}
protected bool ValidateAttachmentState(ClientDescriptor client)
{
string clientSystemId = client.MPFrontendServerUUID;
ServiceRegistration.Get<ILogger>().Info("ClientManager: Validating attachment state of client '{0}' (system ID '{1}')",
client.ClientName, clientSystemId);
ClientConnection connection = _controlPoint.GetClientConnection(clientSystemId);
if (connection != null)
{
string homeServerSystemId = connection.ClientController.GetHomeServerSystemId();
ISystemResolver systemResolver = ServiceRegistration.Get<ISystemResolver>();
if (homeServerSystemId != systemResolver.LocalSystemId)
{
ServiceRegistration.Get<ILogger>().Info(
"ClientManager: Client '{0}' is no longer attached to this server, cleaning up client data", clientSystemId);
DetachClientAndRemoveShares(clientSystemId);
return false;
}
}
return true;
}
public ClientConnection(UPnPControlPoint controlPoint, DeviceConnection connection, ClientDescriptor clientDescriptor)
{
_controlPoint = controlPoint;
_connection = connection;
_clientDescriptor = clientDescriptor;
_connection.DeviceDisconnected += OnUPnPDeviceDisconnected;
try
{
CpService ccsStub = connection.Device.FindServiceByServiceId(UPnPTypesAndIds.CLIENT_CONTROLLER_SERVICE_ID);
if (ccsStub == null)
throw new InvalidDataException("ClientController service not found in device '{0}' of type '{1}:{2}'",
clientDescriptor.MPFrontendServerUUID,
UPnPTypesAndIds.FRONTEND_SERVER_DEVICE_TYPE, UPnPTypesAndIds.FRONTEND_SERVER_DEVICE_TYPE_VERSION);
lock (_connection.CPData.SyncObj)
_clientController = new UPnPClientControllerServiceProxy(ccsStub);
// TODO: other services
}
catch (Exception)
{
_connection.DeviceDisconnected -= OnUPnPDeviceDisconnected;
throw;
}
}
void OnClientDisconnected(ClientDescriptor client)
{
UpdateClientSetOffline(client.MPFrontendServerUUID);
ClientManagerMessaging.SendConnectionStateChangedMessage(ClientManagerMessaging.MessageType.ClientOffline, client);
}
public const string CLIENT_SYSTEM = "ClientSystemId"; // Contains a string with the system ID of a client
/// <summary>
/// Sends a message concerning a client.
/// </summary>
/// <param name="messageType">One of the <see cref="MessageType"/> messages.</param>
/// <param name="client">Descriptor describing the client which is affected.</param>
public static void SendConnectionStateChangedMessage(MessageType messageType, ClientDescriptor client)
{
SystemMessage msg = new SystemMessage(messageType);
msg.MessageData[CLIENT_DESCRIPTOR] = client;
ServiceRegistration.Get <IMessageBroker>().Send(CHANNEL, msg);
}
protected void InvokeClientDisconnected(ClientDescriptor clientDescriptor)
{
ClientStateChangedDlgt dlgt = ClientDisconnected;
if (dlgt != null)
dlgt(clientDescriptor);
}
protected void InvokeClientUnavailable(ClientDescriptor clientDescriptor)
{
ClientStateChangedDlgt dlgt = ClientUnavailable;
if (dlgt != null)
dlgt(clientDescriptor);
}
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);
}
public const string CLIENT_SYSTEM = "ClientSystemId"; // Contains a string with the system ID of a client
/// <summary>
/// Sends a message concerning a client.
/// </summary>
/// <param name="messageType">One of the <see cref="MessageType"/> messages.</param>
/// <param name="client">Descriptor describing the client which is affected.</param>
public static void SendConnectionStateChangedMessage(MessageType messageType, ClientDescriptor client)
{
SystemMessage msg = new SystemMessage(messageType);
msg.MessageData[CLIENT_DESCRIPTOR] = client;
ServiceRegistration.Get<IMessageBroker>().Send(CHANNEL, msg);
}