public async Task <ServiceCallResult> DispatchAsync(TService service, RpcMessage message)
{
if (!AsyncOperationCodesMap.TryGetValue(message.OperationCode, out var operation))
{
_logger.LogError(
$"Method with operation code {message.OperationCode} was not found in service with code {message.ServiceCode}");
return(ServiceCallResult.CreateServiceCallResultWithException(
ExceptionsSerializer.Instance.Serialize(
new RpcDispatchingException(message.ServiceCode, message.OperationCode))));
}
try
{
var asyncOperationCallResult = operation(service, message.ArgumentsData);
if (asyncOperationCallResult.IsVoid)
{
await asyncOperationCallResult.Task;
return(ServiceCallResult.GetVoidServiceCallResult());
}
await asyncOperationCallResult.Task.ConfigureAwait(false);
return(asyncOperationCallResult.GetResult(asyncOperationCallResult.Task));
}
catch (Exception exception)
{
return(ServiceCallResult.CreateServiceCallResultWithException(
ExceptionsSerializer.Instance.Serialize(exception)));
}
}
public async Task Handle()
{
try
{
var stream = GetNetworkStream();
var message = await stream.ReadMessageAsync();
while (message.Any() && !message.IsEndOfSessionMessage())
{
var deserializedMessage = _messageSerializer.Deserialize(message);
ServiceCallResult serviceCallResult = deserializedMessage.IsAsyncOperation
? await _serviceDispatcher.DispatchAsync(_serviceInstance, deserializedMessage)
: _serviceDispatcher.Dispatch(_serviceInstance, deserializedMessage);
if (serviceCallResult.HasReturnValue || serviceCallResult.HasException)
{
var returnData = _serviceCallResultSerializer.Serialize(serviceCallResult);
_logger.LogDebug($"Sending {returnData.Length} bytes to caller");
await stream.WriteMessageAsync(returnData);
}
message = await stream.ReadMessageAsync();
}
_logger.LogDebug("EndOfSession message received. Closing client.");
stream.Close();
}
catch (Exception exception)
{
_logger.LogError(exception, "Error working with channel");
throw;
}
}
public ServiceCallResult Dispatch(TService serviceInstance, RpcMessage message)
{
if (!OperationCodesMap.TryGetValue(message.OperationCode, out var operation))
{
_logger.LogError(
$"Method with operation code {message.OperationCode} was not found in service with code {message.ServiceCode}");
return(ServiceCallResult.CreateServiceCallResultWithException(
ExceptionsSerializer.Instance.Serialize(
new RpcDispatchingException(message.ServiceCode, message.OperationCode))));
}
try
{
return(operation(serviceInstance, message.ArgumentsData));
}
catch (Exception exception)
{
return(ServiceCallResult.CreateServiceCallResultWithException(
ExceptionsSerializer.Instance.Serialize(exception)));
}
}