protected override IDuplexProtocolMessage TryParseDuplexMessage(StreamMessage message)
{
DuplexStreamMessage duplexMessage;
return(DuplexStreamMessage.TryParse(message, protocol, out duplexMessage)
? duplexMessage
: null);
}
public static bool TryParse(StreamMessage message, StreamQbservableProtocol protocol, out DuplexStreamMessage duplexMessage)
{
Contract.Requires(message != null);
Contract.Requires(protocol != null);
Contract.Ensures(Contract.Result <bool>() == (Contract.ValueAtReturn(out duplexMessage) != null));
switch (message.Kind)
{
case QbservableProtocolMessageKind.DuplexInvoke:
case QbservableProtocolMessageKind.DuplexResponse:
case QbservableProtocolMessageKind.DuplexSubscribeResponse:
case QbservableProtocolMessageKind.DuplexGetEnumeratorResponse:
case QbservableProtocolMessageKind.DuplexEnumeratorResponse:
case QbservableProtocolMessageKind.DuplexOnNext:
// The following cases are handled the same as the above cases to ensure that extra data is read, though it's unexpected.
case QbservableProtocolMessageKind.DuplexOnCompleted:
case QbservableProtocolMessageKind.DuplexSubscribe:
case QbservableProtocolMessageKind.DuplexDisposeSubscription:
case QbservableProtocolMessageKind.DuplexGetEnumerator:
case QbservableProtocolMessageKind.DuplexMoveNext:
case QbservableProtocolMessageKind.DuplexResetEnumerator:
case QbservableProtocolMessageKind.DuplexDisposeEnumerator:
duplexMessage = new DuplexStreamMessage(
message.Kind,
BitConverter.ToInt64(message.Data, 0),
protocol.Deserialize <object>(message.Data, offset: DuplexCallbackId.Size),
message.Data,
message.Length);
return(true);
case QbservableProtocolMessageKind.DuplexErrorResponse:
case QbservableProtocolMessageKind.DuplexGetEnumeratorErrorResponse:
case QbservableProtocolMessageKind.DuplexEnumeratorErrorResponse:
case QbservableProtocolMessageKind.DuplexOnError:
duplexMessage = new DuplexStreamMessage(
message.Kind,
BitConverter.ToInt64(message.Data, 0),
ExceptionDispatchInfo.Capture(protocol.Deserialize <Exception>(message.Data, offset: DuplexCallbackId.Size)),
message.Data,
message.Length);
return(true);
default:
duplexMessage = null;
return(false);
}
}
protected override StreamMessage CreateResetEnumerator(DuplexCallbackId enumeratorId) => DuplexStreamMessage.CreateResetEnumerator(enumeratorId, protocol);
protected override StreamMessage CreateMoveNext(DuplexCallbackId enumeratorId) => DuplexStreamMessage.CreateMoveNext(enumeratorId, protocol);
protected override StreamMessage CreateInvoke(DuplexCallbackId clientId, object[] arguments) => DuplexStreamMessage.CreateInvoke(clientId, arguments, protocol);
protected override StreamMessage CreateDisposeSubscription(int subscriptionId) => DuplexStreamMessage.CreateDisposeSubscription(subscriptionId, protocol);
protected override StreamMessage CreateSubscribe(DuplexCallbackId clientId) => DuplexStreamMessage.CreateSubscribe(clientId, protocol);
protected override StreamMessage CreateDisposeEnumerator(int enumeratorId) => DuplexStreamMessage.CreateDisposeEnumerator(enumeratorId, protocol);
protected override StreamMessage CreateEnumeratorError(DuplexCallbackId id, ExceptionDispatchInfo error) => DuplexStreamMessage.CreateEnumeratorError(id, error, protocol);
protected override StreamMessage CreateGetEnumeratorResponse(DuplexCallbackId id, int clientEnumeratorId) => DuplexStreamMessage.CreateGetEnumeratorResponse(id, clientEnumeratorId, protocol);
protected override StreamMessage CreateEnumeratorResponse(DuplexCallbackId id, bool result, object current) => DuplexStreamMessage.CreateEnumeratorResponse(id, result, current, protocol);
protected override StreamMessage CreateOnCompleted(DuplexCallbackId id) => DuplexStreamMessage.CreateOnCompleted(id, protocol);
protected override StreamMessage CreateOnNext(DuplexCallbackId id, object value) => DuplexStreamMessage.CreateOnNext(id, value, protocol);
protected override StreamMessage CreateSubscribeResponse(DuplexCallbackId id, int clientSubscriptionId) => DuplexStreamMessage.CreateSubscribeResponse(id, clientSubscriptionId, protocol);
protected override StreamMessage CreateErrorResponse(DuplexCallbackId id, ExceptionDispatchInfo error) => DuplexStreamMessage.CreateErrorResponse(id, error, protocol);
protected override StreamMessage CreateResponse(DuplexCallbackId id, object result) => DuplexStreamMessage.CreateResponse(id, result, protocol);