public static async Task <QbservableProtocol> NegotiateServerAsync(NetworkStream stream, IRemotingFormatter formatter, QbservableServiceOptions serviceOptions, CancellationToken cancel)
{
// TODO: Enable protocol registration and implement actual protocol negotiation
var protocol = new DefaultQbservableProtocol(stream, formatter, serviceOptions, cancel);
var buffer = new byte[4];
await protocol.ReceiveAsync(buffer, 0, 4).ConfigureAwait(false);
await protocol.SendAsync(buffer, 0, 4).ConfigureAwait(false);
return(protocol);
}
public static async Task <QbservableProtocol> NegotiateClientAsync(NetworkStream stream, IRemotingFormatter formatter, CancellationToken cancel)
{
// TODO: Enable protocol registration and implement actual protocol negotiation
var protocol = new DefaultQbservableProtocol(stream, formatter, cancel);
const int ping = 123;
var buffer = BitConverter.GetBytes(ping);
await protocol.SendAsync(buffer, 0, 4).ConfigureAwait(false);
await protocol.ReceiveAsync(buffer, 0, 4).ConfigureAwait(false);
Contract.Assume(BitConverter.ToInt32(buffer, 0) == ping);
return(protocol);
}
public static DuplexQbservableMessage CreateEnumeratorError(DuplexCallbackId id, Exception error, DefaultQbservableProtocol protocol)
{
return(new DuplexQbservableMessage(QbservableProtocolMessageKind.DuplexEnumeratorErrorResponse, id, error, Serialize(id, error, protocol)));
}
public static DuplexQbservableMessage CreateEnumeratorResponse(DuplexCallbackId id, bool result, object current, DefaultQbservableProtocol protocol)
{
var value = Tuple.Create(result, current);
return(new DuplexQbservableMessage(QbservableProtocolMessageKind.DuplexEnumeratorResponse, id, value, Serialize(id, value, protocol)));
}
public static DuplexQbservableMessage CreateGetEnumeratorResponse(DuplexCallbackId id, int clientEnumeratorId, DefaultQbservableProtocol protocol)
{
return(new DuplexQbservableMessage(QbservableProtocolMessageKind.DuplexGetEnumeratorResponse, id, clientEnumeratorId, Serialize(id, clientEnumeratorId, protocol)));
}
public static DuplexQbservableMessage CreateGetEnumerator(DuplexCallbackId id, DefaultQbservableProtocol protocol)
{
return(CreateWithoutValue(QbservableProtocolMessageKind.DuplexGetEnumerator, id, protocol));
}
public DefaultServerDuplexQbservableProtocolSink(DefaultQbservableProtocol protocol)
{
this.protocol = protocol;
}
public DefaultClientDuplexQbservableProtocolSink(DefaultQbservableProtocol protocol)
{
this.protocol = protocol;
}