protected IResourceInformationService TryGetResourceInformationService(RootDescriptor rootDescriptor)
{
DeviceConnection connection;
using (_networkTracker.SharedControlPointData.Lock.EnterRead())
{
object service;
if (rootDescriptor.SSDPRootEntry.ClientProperties.TryGetValue(KEY_RESOURCE_INFORMATION_SERVICE, out service))
{
return(service as IResourceInformationService);
}
}
DeviceDescriptor rootDevice = DeviceDescriptor.CreateRootDeviceDescriptor(rootDescriptor);
DeviceDescriptor frontendServerDevice = rootDevice.FindFirstDevice(
UPnPTypesAndIds.BACKEND_SERVER_DEVICE_TYPE, UPnPTypesAndIds.BACKEND_SERVER_DEVICE_TYPE_VERSION) ??
rootDevice.FindFirstDevice(UPnPTypesAndIds.FRONTEND_SERVER_DEVICE_TYPE, UPnPTypesAndIds.FRONTEND_SERVER_DEVICE_TYPE_VERSION);
if (frontendServerDevice == null)
{
return(null);
}
string deviceUuid = frontendServerDevice.DeviceUUID;
try
{
connection = _controlPoint.Connect(rootDescriptor, deviceUuid, UPnPExtendedDataTypes.ResolveDataType);
}
catch (Exception e)
{
ServiceRegistration.Get <ILogger>().Warn("Error connecting to UPnP MP2 device '{0}'", e, deviceUuid);
return(null);
}
try
{
CpService rasStub = connection.Device.FindServiceByServiceId(UPnPTypesAndIds.RESOURCE_INFORMATION_SERVICE_ID);
if (rasStub == null)
{
throw new InvalidDataException("ResourceAccess service not found in device '{0}'", deviceUuid);
}
IResourceInformationService ris = new UPnPResourceInformationServiceProxy(rasStub);
using (_networkTracker.SharedControlPointData.Lock.EnterWrite())
rootDescriptor.SSDPRootEntry.ClientProperties[KEY_RESOURCE_INFORMATION_SERVICE] = ris;
return(ris);
}
catch (Exception e)
{
ServiceRegistration.Get <ILogger>().Warn("Error connecting to services of UPnP MP2 device '{0}'", e, deviceUuid);
_controlPoint.Disconnect(deviceUuid);
return(null);
}
}
void OnUPnPDeviceDisconnected(DeviceConnection connection)
{
IEnumerable<UPnPServiceProxyBase> servicesToDispose;
lock (_networkTracker.SharedControlPointData.SyncObj)
{
_connection = null;
_contentDirectoryService = null;
_resourceInformationService = null;
_serverControllerService = null;
servicesToDispose = _additionalServices;
_additionalServices.Clear();
}
// Dispose all additional services if possible, to allow proper shutdown and cleanup
foreach (UPnPServiceProxyBase service in servicesToDispose)
{
IDisposable disposable = service as IDisposable;
if (disposable == null)
continue;
try
{
disposable.Dispose();
}
catch (Exception e)
{
ServiceRegistration.Get<ILogger>().Warn("UPnPClientControlPoint: Error disposing additional service '{0}'", service, e);
}
}
InvokeBackendServerDeviceDisconnected(connection);
}
protected void TryConnect(RootDescriptor rootDescriptor)
{
DeviceConnection connection;
string deviceUuid;
lock (_networkTracker.SharedControlPointData.SyncObj)
{
if (_connection != null)
return;
DeviceDescriptor rootDeviceDescriptor = DeviceDescriptor.CreateRootDeviceDescriptor(rootDescriptor);
DeviceDescriptor backendServerDescriptor = rootDeviceDescriptor.FindFirstDevice(
UPnPTypesAndIds.BACKEND_SERVER_DEVICE_TYPE, UPnPTypesAndIds.BACKEND_SERVER_DEVICE_TYPE_VERSION);
if (backendServerDescriptor == null)
return;
deviceUuid = backendServerDescriptor.DeviceUUID;
string friendlyName = backendServerDescriptor.FriendlyName;
SystemName system = new SystemName(new Uri(rootDescriptor.SSDPRootEntry.PreferredLink.DescriptionLocation).Host);
if (deviceUuid == _homeServerSystemId)
ServiceRegistration.Get<ILogger>().Debug("UPnPClientControlPoint: Found MP2 home server '{0}' (system ID '{1}') at host '{2}' (IP address: '{3}')",
friendlyName, deviceUuid, system.HostName, system.Address);
else
{
ServiceRegistration.Get<ILogger>().Debug("UPnPClientControlPoint: Found foreign MP2 server '{0}' (system ID '{1}') at host '{2}' (IP address: '{3}')",
friendlyName, deviceUuid, system.HostName, system.Address);
return;
}
try
{
connection = _connection = _controlPoint.Connect(rootDescriptor, deviceUuid, UPnPExtendedDataTypes.ResolveDataType);
}
catch (Exception e)
{
ServiceRegistration.Get<ILogger>().Warn("UPnPClientControlPoint: Error connecting to UPnP MP2 backend server '{0}'", e, deviceUuid);
return;
}
}
connection.DeviceDisconnected += OnUPnPDeviceDisconnected;
try
{
CpService cdsStub = connection.Device.FindServiceByServiceId(UPnPTypesAndIds.CONTENT_DIRECTORY_SERVICE_ID);
if (cdsStub == null)
throw new InvalidDataException("ContentDirectory service not found in device '{0}' of type '{1}:{2}'",
deviceUuid, UPnPTypesAndIds.BACKEND_SERVER_DEVICE_TYPE, UPnPTypesAndIds.BACKEND_SERVER_DEVICE_TYPE_VERSION);
CpService risStub = connection.Device.FindServiceByServiceId(UPnPTypesAndIds.RESOURCE_INFORMATION_SERVICE_ID);
if (risStub == null)
throw new InvalidDataException("ResourceAccess service not found in device '{0}' of type '{1}:{2}'",
deviceUuid, UPnPTypesAndIds.BACKEND_SERVER_DEVICE_TYPE, UPnPTypesAndIds.BACKEND_SERVER_DEVICE_TYPE_VERSION);
CpService scsStub = connection.Device.FindServiceByServiceId(UPnPTypesAndIds.SERVER_CONTROLLER_SERVICE_ID);
if (scsStub == null)
throw new InvalidDataException("ServerController service not found in device '{0}' of type '{1}:{2}'",
deviceUuid, UPnPTypesAndIds.BACKEND_SERVER_DEVICE_TYPE, UPnPTypesAndIds.BACKEND_SERVER_DEVICE_TYPE_VERSION);
CpService updmStub = connection.Device.FindServiceByServiceId(UPnPTypesAndIds.USER_PROFILE_DATA_MANAGEMENT_SERVICE_ID);
if (updmStub == null)
throw new InvalidDataException("UserProfileDataManagement service not found in device '{0}' of type '{1}:{2}'",
deviceUuid, UPnPTypesAndIds.BACKEND_SERVER_DEVICE_TYPE, UPnPTypesAndIds.BACKEND_SERVER_DEVICE_TYPE_VERSION);
lock (_networkTracker.SharedControlPointData.SyncObj)
{
_contentDirectoryService = new UPnPContentDirectoryServiceProxy(cdsStub);
_resourceInformationService = new UPnPResourceInformationServiceProxy(risStub);
_serverControllerService = new UPnPServerControllerServiceProxy(scsStub);
_userProfileDataManagementService = new UPnPUserProfileDataManagementServiceProxy(updmStub);
}
ICollection<UPnPServiceProxyBase> additionalServices = new List<UPnPServiceProxyBase>();
foreach (AdditionalServiceRegisterDlgt additionalServiceRegistration in _additionalServiceRegistrations)
{
try
{
additionalServices.Add(additionalServiceRegistration(connection));
}
catch (Exception e)
{
ServiceRegistration.Get<ILogger>().Warn("UPnPClientControlPoint: Error registering user service for UPnP MP2 backend server '{0}'", e, deviceUuid);
}
}
lock (_networkTracker.SharedControlPointData.SyncObj)
_additionalServices = additionalServices;
}
catch (Exception e)
{
ServiceRegistration.Get<ILogger>().Warn("UPnPClientControlPoint: Error connecting to services of UPnP MP2 backend server '{0}'", e, deviceUuid);
connection.DeviceDisconnected -= OnUPnPDeviceDisconnected;
_controlPoint.Disconnect(deviceUuid);
return;
}
InvokeBackendServerDeviceConnected(connection);
}
public void Stop()
{
_contentDirectoryService = null;
_resourceInformationService = null;
_serverControllerService = null;
_networkTracker.Close();
_controlPoint.Close(); // Close the control point after the network tracker was closed. See docs of Close() method.
}
protected IResourceInformationService TryGetResourceInformationService(RootDescriptor rootDescriptor)
{
DeviceConnection connection;
lock (_networkTracker.SharedControlPointData.SyncObj)
{
object service;
if (rootDescriptor.SSDPRootEntry.ClientProperties.TryGetValue(KEY_RESOURCE_INFORMATION_SERVICE, out service))
return service as IResourceInformationService;
}
DeviceDescriptor rootDevice = DeviceDescriptor.CreateRootDeviceDescriptor(rootDescriptor);
DeviceDescriptor frontendServerDevice = rootDevice.FindFirstDevice(
UPnPTypesAndIds.BACKEND_SERVER_DEVICE_TYPE, UPnPTypesAndIds.BACKEND_SERVER_DEVICE_TYPE_VERSION) ??
rootDevice.FindFirstDevice(UPnPTypesAndIds.FRONTEND_SERVER_DEVICE_TYPE, UPnPTypesAndIds.FRONTEND_SERVER_DEVICE_TYPE_VERSION);
if (frontendServerDevice == null)
return null;
string deviceUuid = frontendServerDevice.DeviceUUID;
try
{
connection = _controlPoint.Connect(rootDescriptor, deviceUuid, UPnPExtendedDataTypes.ResolveDataType);
}
catch (Exception e)
{
ServiceRegistration.Get<ILogger>().Warn("Error connecting to UPnP MP2 device '{0}'", e, deviceUuid);
return null;
}
try
{
CpService rasStub = connection.Device.FindServiceByServiceId(UPnPTypesAndIds.RESOURCE_INFORMATION_SERVICE_ID);
if (rasStub == null)
throw new InvalidDataException("ResourceAccess service not found in device '{0}'", deviceUuid);
IResourceInformationService ris = new UPnPResourceInformationServiceProxy(rasStub);
lock (_networkTracker.SharedControlPointData.SyncObj)
rootDescriptor.SSDPRootEntry.ClientProperties[KEY_RESOURCE_INFORMATION_SERVICE] = ris;
return ris;
}
catch (Exception e)
{
ServiceRegistration.Get<ILogger>().Warn("Error connecting to services of UPnP MP2 device '{0}'", e, deviceUuid);
_controlPoint.Disconnect(deviceUuid);
return null;
}
}
