public void Subscribe(string objectId, IEventDescription eventDescription, ISerializer serializer,
Delegate handler, object proxy)
{
if (_disposed)
{
throw new ObjectDisposedException(nameof(EventHandlersRepository));
}
var eventId = new EventId
{
ObjectId = objectId,
EventName = eventDescription.Name
};
lock (_events)
{
if (!_events.TryGetValue(eventId, out var subscriptionRepository))
{
var subscribeMessage = new SubscribeEventMessage(_clientHostAddress, objectId, eventDescription.Name);
_outputChannel.SendWithAck(subscribeMessage);
subscriptionRepository = new SubscriptionRepository(eventDescription, serializer, _eloquentClient);
_events.Add(eventId, subscriptionRepository);
}
subscriptionRepository.Subscribe(handler, proxy);
}
}
/// <inheritdoc />
public object Connect(Type type, string objectId)
{
var contractDescription = _contractDescriptionFactory.Create(type);
//Send ConnectObjectMessage to ensure that object is hosted
var connectObjectMessage = new ConnectMessage(_clientHostAddress, objectId);
_outputChannel.SendWithAck(connectObjectMessage);
var knownTypes = contractDescription.GetTypes();
var serializer = _serializerFactory.Create(typeof(object), knownTypes);
var interceptor = new ClientInterceptor(contractDescription);
var proxy = _proxyGenerator.CreateInterfaceProxyWithoutTarget(type, interceptor);
var connection = new Connection(objectId, proxy, _eventHandlersRepository, contractDescription, serializer, this, _outputChannel, _clientHostAddress);
interceptor.Subscribe(connection);
lock (_objectIds)
{
RemoveDeadObjectIds();
_objectIds.Add(new Tuple <string, WeakReference>(objectId, new WeakReference(proxy)));
}
return(proxy);
}
/// <summary>
/// Creates an EloquentObjects client with ability to specify custom settings and dependencies.
/// </summary>
/// <param name="serverAddress">Address of the server that hosts object. Can be prefixed with 'tcp://' for TCP binding or 'pipe://' for Named Pipes binding</param>
/// <param name="clientAddress">Client-side address that is used to send server-to-client events. Can be prefixed with 'tcp://' for TCP binding or 'pipe://' for Named Pipes binding</param>
/// <param name="settings">Custom settings</param>
/// <param name="serializerFactory">Factory that can create serializer to be used for serializing/deserializing data sent between server and client</param>
/// <exception cref="ArgumentException">Client Uri scheme should match server Uri scheme</exception>
public EloquentClient(string serverAddress, string clientAddress, EloquentSettings settings, [CanBeNull] ISerializerFactory serializerFactory = null)
{
_serializerFactory = serializerFactory ?? new DefaultSerializerFactory();
var serverUri = new Uri(serverAddress);
var clientUri = new Uri(clientAddress);
var serverScheme = serverUri.GetComponents(UriComponents.Scheme, UriFormat.Unescaped);
var clientScheme = clientUri.GetComponents(UriComponents.Scheme, UriFormat.Unescaped);
if (serverScheme != clientScheme)
{
throw new ArgumentException("Client Uri scheme should match server Uri scheme");
}
var binding = new BindingFactory().Create(serverScheme, settings);
var serverHostAddress = HostAddress.CreateFromUri(serverUri);
_clientHostAddress = HostAddress.CreateFromUri(clientUri);
_contractDescriptionFactory = new CachedContractDescriptionFactory(new ContractDescriptionFactory());
_proxyGenerator = new ProxyGenerator();
try
{
_inputChannel = binding.CreateInputChannel(_clientHostAddress);
}
catch (Exception e)
{
throw new IOException("Failed creating input channel", e);
}
try
{
_outputChannel = binding.CreateOutputChannel(serverHostAddress);
}
catch (Exception e)
{
throw new IOException("Connection failed. Server not found.", e);
}
_inputChannel.Start();
//Send HelloMessage to create a session
var helloMessage = new HelloMessage(_clientHostAddress);
_outputChannel.SendWithAck(helloMessage);
_eventHandlersRepository = new EventHandlersRepository(_outputChannel, _clientHostAddress, this);
_sessionAgent = new SessionAgent(binding, _inputChannel, _outputChannel, _clientHostAddress, _eventHandlersRepository);
}
