/// <summary>
/// Sends an HTTP get request to cluster http gateway.
/// </summary>
/// <param name="requestFunc">Func to create HttpRequest to send.</param>
/// <param name="relativeUri">The relative URI.</param>
/// <param name="requestId">Request Id for corelation</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>The payload of the GET response.</returns>
/// <exception cref="ServiceFabricException">When the response is not a success.</exception>
private async Task <HttpResponseMessage> SendAsyncHandleUnsuccessfulResponse(
Func <HttpRequestMessage> requestFunc,
string relativeUri,
string requestId,
CancellationToken cancellationToken)
{
var response = await this.SendAsyncHandleSecurityExceptions(relativeUri, requestId, requestFunc, cancellationToken);
if (response.IsSuccessStatusCode)
{
return(response);
}
var message = string.Format(
SR.ErrorHttpOperationUnsuccessfulFormatString,
relativeUri,
response.StatusCode,
response.ReasonPhrase,
response.RequestMessage);
ServiceFabricHttpClientEventSource.Current.ErrorResponse($"{this.ClientId}:{requestId}", message);
if (response.Content != null)
{
FabricError error = null;
try
{
var contentStream = await response.Content.ReadAsStreamAsync();
using (var streamReader = new StreamReader(contentStream))
{
using (var reader = new JsonTextReader(streamReader))
{
error = FabricErrorConverter.Deserialize(reader);
}
}
}
catch (JsonReaderException)
{
throw new ServiceFabricException(
$"Server returned error while processing the request but did not provide a meaningful error response. Response Error Code {response.StatusCode}");
}
if (error != null)
{
throw new ServiceFabricException($"{error.Error.Code.ToString()}. {error.Error.Message}");
}
}
else
{
throw new ServiceFabricException(
$"Server returned error while processing the request but did not provide a meaningful error response. Response Error Code {response.StatusCode}");
}
return(response);
}
/// <summary>
/// Sends an HTTP get request to cluster http gateway.
/// </summary>
/// <param name="requestFunc">Func to create HttpRequest to send.</param>
/// <param name="requestUri">Request Uri.</param>
/// <param name="clientRequestId">Request Id for corelation</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>The payload of the GET response.</returns>
/// <exception cref="ServiceFabricException">When the response is not a success.</exception>
private async Task <HttpResponseMessage> SendAsyncHandleUnsuccessfulResponse(
Func <HttpRequestMessage> requestFunc,
Uri requestUri,
string clientRequestId,
CancellationToken cancellationToken)
{
HttpRequestMessage FinalRequestFunc()
{
var request = requestFunc.Invoke();
request.RequestUri = requestUri;
// Add claims token to request if needed.
this.bearerTokenHandler.AddTokenToRequest(request);
// Add client request id to header for corelation on server.
request.Headers.Add(Constants.ServiceFabricHttpRequestIdHeaderName, $"{clientRequestId}");
request.Headers.Add(Constants.ServiceFabricHttpClientTypeHeaderName, $"{this.ClientTypeHeaderValue}");
return(request);
}
var response = await this.SendAsyncHandleSecurityExceptions(FinalRequestFunc, clientRequestId, cancellationToken);
if (response.IsSuccessStatusCode)
{
return(response);
}
// Continue with handling the unsuccessful response.
var message = string.Format(
SR.ErrorHttpOperationUnsuccessfulFormatString,
requestUri.ToString(),
response.StatusCode,
response.ReasonPhrase,
response.RequestMessage);
ServiceFabricHttpClientEventSource.Current.ErrorResponse($"{clientRequestId}", message);
// Try to get Fabric Error Code if present in response body.
if (response.Content != null)
{
FabricError error = null;
try
{
var contentStream = await response.Content.ReadAsStreamAsync();
if (contentStream.Length != 0)
{
using (var streamReader = new StreamReader(contentStream))
{
using (var reader = new JsonTextReader(streamReader))
{
error = FabricErrorConverter.Deserialize(reader);
}
}
}
}
catch (JsonReaderException ex)
{
ServiceFabricHttpClientEventSource.Current.ErrorMessage($"{clientRequestId}", $"Request Url: {requestUri} JsonReaderException: {ex.ToString()}");
throw new ServiceFabricException(string.Format(SR.ServerErrorNoMeaningFulResponse, response.StatusCode));
}
if (error != null)
{
throw new ServiceFabricException(error.Message, error.ErrorCode ?? FabricErrorCodes.UNKNOWN, false);
}
else
{
// Handle NotFound 404, without any ErrorCode.
if (response.StatusCode.Equals(HttpStatusCode.NotFound))
{
throw new ServiceFabricException(SR.ErrorMessageHTTP404, FabricErrorCodes.FABRIC_E_DOES_NOT_EXIST, false);
}
}
}
// Couldn't determine FabricError code, throw exception with status code.
throw new ServiceFabricException(string.Format(SR.ServerErrorNoMeaningFulResponse, response.StatusCode));
}
