/// <summary>
/// Should be invoked by the concrete bus implementation whenever there is a message arrived on the reply to topic name.
/// </summary>
/// <param name="reponse"></param>
/// <param name="name"></param>
/// <param name="requestId"></param>
/// <param name="errorMessage"></param>
/// <returns></returns>
public virtual Task <Exception> OnResponseArrived(byte[] responsePayload, string name, string requestId, string errorMessage, object response = null)
{
var requestState = PendingRequestStore.GetById(requestId);
if (requestState == null)
{
_logger.LogDebug("The response message for request id {0} arriving on name {1} will be disregarded. Either the request had already expired, had been cancelled or it was already handled (this response message is a duplicate).", requestId, name);
// ToDo: add and API hook to these kind of situation
return(Task.FromResult <Exception>(null));
}
try
{
if (_logger.IsEnabled(LogLevel.Debug))
{
var tookTimespan = CurrentTime.Subtract(requestState.Created);
_logger.LogDebug("Response arrived for {0} on name {1} (time: {2} ms)", requestState, name, tookTimespan);
}
if (errorMessage != null)
{
// error response arrived
_logger.LogDebug("Response arrived for {0} on name {1} with error: {2}", requestState, name, errorMessage);
var e = new RequestHandlerFaultedMessageBusException(errorMessage);
requestState.TaskCompletionSource.TrySetException(e);
}
else
{
// response arrived
try
{
// deserialize the response message
response = responsePayload != null?DeserializeResponse(requestState.ResponseType, responsePayload) : response;
// resolve the response
requestState.TaskCompletionSource.TrySetResult(response);
}
catch (Exception e)
{
_logger.LogDebug("Could not deserialize the response message for {0} arriving on name {1}: {2}", requestState, name, e);
requestState.TaskCompletionSource.TrySetException(e);
}
}
}
finally
{
// remove the request from the queue
PendingRequestStore.Remove(requestId);
}
return(Task.FromResult <Exception>(null));
}
/// <summary>
/// Should be invoked by the concrete bus implementation whenever there is a message arrived on the reply to topic name.
/// </summary>
/// <param name="payload"></param>
/// <param name="name"></param>
/// <param name="requestId"></param>
/// <param name="errorMessage"></param>
/// <returns></returns>
public virtual Task OnResponseArrived(byte[] payload, string name, string requestId, string errorMessage)
{
var requestState = PendingRequestStore.GetById(requestId);
if (requestState == null)
{
Log.DebugFormat(CultureInfo.InvariantCulture, "The response message for request id {0} arriving on name {1} will be disregarded. Either the request had already expired, had been cancelled or it was already handled (this response message is a duplicate).", requestId, name);
// ToDo: add and API hook to these kind of situation
return(Task.CompletedTask);
}
try
{
if (Log.IsDebugEnabled)
{
var tookTimespan = CurrentTime.Subtract(requestState.Created);
Log.DebugFormat(CultureInfo.InvariantCulture, "Response arrived for {0} on name {1} (time: {2} ms)", requestState, name, tookTimespan);
}
if (errorMessage != null)
{
// error response arrived
Log.DebugFormat(CultureInfo.InvariantCulture, "Response arrived for {0} on name {1} with error: {2}", requestState, name, errorMessage);
var e = new RequestHandlerFaultedMessageBusException(errorMessage);
requestState.TaskCompletionSource.TrySetException(e);
}
else
{
// response arrived
try
{
// deserialize the response message
var response = Settings.Serializer.Deserialize(requestState.ResponseType, payload);
// resolve the response
requestState.TaskCompletionSource.TrySetResult(response);
}
catch (Exception e)
{
Log.DebugFormat(CultureInfo.InvariantCulture, "Could not deserialize the response message for {0} arriving on name {1}: {2}", requestState, name, e);
requestState.TaskCompletionSource.TrySetException(e);
}
}
}
finally
{
// remove the request from the queue
PendingRequestStore.Remove(requestId);
}
return(Task.CompletedTask);
}
