public void ThrowNoNodesAttempted(RequestData requestData, List <PipelineException> seenExceptions)
{
var clientException = new TransportException(PipelineFailure.NoNodesAttempted, RequestPipelineStatics.NoNodesAttemptedMessage, (Exception)null);
using (Audit(NoNodesAttempted))
throw new UnexpectedTransportException(clientException, seenExceptions)
{
Request = requestData,
AuditTrail = AuditTrail
};
}
public void BadResponse <TResponse>(ref TResponse response, IApiCallDetails callDetails, RequestData data,
TransportException exception
)
where TResponse : class, ITransportResponse, new()
{
if (response == null)
{
//make sure we copy over the error body in case we disabled direct streaming.
var s = callDetails?.ResponseBodyInBytes == null ? Stream.Null : _memoryStreamFactory.Create(callDetails.ResponseBodyInBytes);
var m = callDetails?.ResponseMimeType ?? RequestData.MimeType;
response = ResponseBuilder.ToResponse <TResponse>(data, exception, callDetails?.HttpStatusCode, null, s, m);
}
response.ApiCall.AuditTrail = AuditTrail;
}
public TransportException CreateClientException <TResponse>(
TResponse response, IApiCallDetails callDetails, RequestData data, List <PipelineException> pipelineExceptions
)
where TResponse : class, ITransportResponse, new()
{
if (callDetails?.Success ?? false)
{
return(null);
}
var pipelineFailure = data.OnFailurePipelineFailure;
var innerException = callDetails?.OriginalException;
if (pipelineExceptions.HasAny(out var exs))
{
pipelineFailure = exs.Last().FailureReason;
innerException = exs.AsAggregateOrFirst();
}
var statusCode = callDetails?.HttpStatusCode != null?callDetails.HttpStatusCode.Value.ToString() : "unknown";
var resource = callDetails == null
? "unknown resource"
: $"Status code {statusCode} from: {callDetails.HttpMethod} {callDetails.Uri.PathAndQuery}";
var exceptionMessage = innerException?.Message ?? "Request failed to execute";
if (IsTakingTooLong)
{
pipelineFailure = PipelineFailure.MaxTimeoutReached;
Audit(MaxTimeoutReached);
exceptionMessage = "Maximum timeout reached while retrying request";
}
else if (Retried >= MaxRetries && MaxRetries > 0)
{
pipelineFailure = PipelineFailure.MaxRetriesReached;
Audit(MaxRetriesReached);
exceptionMessage = "Maximum number of retries reached";
var now = _dateTimeProvider.Now();
var activeNodes = _connectionPool.Nodes.Count(n => n.IsAlive || n.DeadUntil <= now);
if (Retried >= activeNodes)
{
Audit(FailedOverAllNodes);
exceptionMessage += ", failed over to all the known alive nodes before failing";
}
}
exceptionMessage += $". Call: {resource}";
if (response != null && _productRegistration.TryGetServerErrorReason(response, out var reason))
{
exceptionMessage += $". ServerError: {reason}";
}
var clientException = new TransportException(pipelineFailure, exceptionMessage, innerException)
{
Request = data,
Response = callDetails,
AuditTrail = AuditTrail
};
return(clientException);
}