/// <summary>
/// Constructs a DefaultRemoteManager listening on the specified address and any
/// available port.
/// </summary>
/// <param name="localAddress">The address to listen on</param>
/// <param name="port">The port to listen on</param>
/// <param name="codec">The codec used for serializing messages</param>
public DefaultRemoteManager(IPAddress localAddress, int port, ICodec <T> codec)
{
if (localAddress == null)
{
throw new ArgumentNullException("localAddress");
}
if (port < 0)
{
throw new ArgumentException("Listening port must be greater than or equal to zero");
}
if (codec == null)
{
throw new ArgumentNullException("codec");
}
_observerContainer = new ObserverContainer <T>();
_codec = new RemoteEventCodec <T>(codec);
_cachedClients = new Dictionary <IPEndPoint, ProxyObserver>();
IPEndPoint localEndpoint = new IPEndPoint(localAddress, port);
// Begin to listen for incoming messages
_server = new TransportServer <IRemoteEvent <T> >(localEndpoint, _observerContainer, _codec);
_server.Run();
LocalEndpoint = _server.LocalEndpoint;
Identifier = new SocketRemoteIdentifier(LocalEndpoint);
}
/// <summary>
/// Returns an IObserver used to send messages to the remote host at
/// the specified IPEndpoint.
/// </summary>
/// <param name="remoteEndpoint">The IPEndpoint of the remote host</param>
/// <returns>An IObserver used to send messages to the remote host</returns>
public IObserver <T> GetRemoteObserver(RemoteEventEndPoint <T> remoteEndpoint)
{
if (remoteEndpoint == null)
{
throw new ArgumentNullException("remoteEndpoint");
}
SocketRemoteIdentifier id = remoteEndpoint.Id as SocketRemoteIdentifier;
if (id == null)
{
throw new ArgumentException("ID not supported");
}
return(GetRemoteObserver(id.Addr));
}
/// <summary>
/// Registers an IObserver used to handle incoming messages from the remote host
/// at the specified IPEndPoint.
/// The IDisposable that is returned can be used to unregister the IObserver.
/// </summary>
/// <param name="remoteEndpoint">The IPEndPoint of the remote host</param>
/// <param name="observer">The IObserver to handle incoming messages</param>
/// <returns>An IDisposable used to unregister the observer with</returns>
public IDisposable RegisterObserver(RemoteEventEndPoint <T> remoteEndpoint, IObserver <T> observer)
{
if (remoteEndpoint == null)
{
throw new ArgumentNullException("remoteEndpoint");
}
SocketRemoteIdentifier id = remoteEndpoint.Id as SocketRemoteIdentifier;
if (id == null)
{
throw new ArgumentException("ID not supported");
}
return(RegisterObserver(id.Addr, observer));
}
/// <summary>
/// Constructs a DefaultRemoteManager. Does not listen for incoming messages.
/// </summary>
/// <param name="codec">The codec used for serializing messages</param>
public DefaultRemoteManager(ICodec <T> codec)
{
using (LOGGER.LogFunction("DefaultRemoteManager::DefaultRemoteManager"))
{
if (codec == null)
{
throw new ArgumentNullException("codec");
}
_observerContainer = new ObserverContainer <T>();
_codec = new RemoteEventCodec <T>(codec);
_cachedClients = new Dictionary <IPEndPoint, ProxyObserver>();
LocalEndpoint = new IPEndPoint(NetworkUtils.LocalIPAddress, 0);
Identifier = new SocketRemoteIdentifier(LocalEndpoint);
}
}
/// <summary>
/// Look up the IObserver for the registered IPEndPoint or event type
/// and execute the IObserver.
/// </summary>
/// <param name="transportEvent">The incoming remote event</param>
public void OnNext(TransportEvent <IRemoteEvent <T> > transportEvent)
{
IRemoteEvent <T> remoteEvent = transportEvent.Data;
remoteEvent.LocalEndPoint = transportEvent.Link.LocalEndpoint;
remoteEvent.RemoteEndPoint = transportEvent.Link.RemoteEndpoint;
T value = remoteEvent.Value;
bool handled = false;
IObserver <T> observer1;
IObserver <IRemoteMessage <T> > observer2;
if (_universalObserver != null)
{
_universalObserver.OnNext(value);
handled = true;
}
if (_endpointMap.TryGetValue(remoteEvent.RemoteEndPoint, out observer1))
{
// IObserver was registered by IPEndpoint
observer1.OnNext(value);
handled = true;
}
else if (_typeMap.TryGetValue(value.GetType(), out observer2))
{
// IObserver was registered by event type
IRemoteIdentifier id = new SocketRemoteIdentifier(remoteEvent.RemoteEndPoint);
IRemoteMessage <T> remoteMessage = new DefaultRemoteMessage <T>(id, value);
observer2.OnNext(remoteMessage);
handled = true;
}
if (!handled)
{
throw new WakeRuntimeException("Unrecognized Wake RemoteEvent message");
}
}
