/// <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="cancellationToken">The cancellation token.</param>
/// <returns>The payload of the GET response.</returns>
private async Task <HttpResponseMessage> SendAsyncHandleUnsuccessfulResponse(
Func <HttpRequestMessage> requestFunc,
string relativeUri,
CancellationToken cancellationToken)
{
HttpRequestMessage FinalRequestFunc()
{
var request = requestFunc.Invoke();
request.RequestUri = new Uri($"http://{DaprEndpoint}:{this.daprPort}/{relativeUri}");
return(request);
}
var response = await this.SendAsyncHandleSecurityExceptions(FinalRequestFunc, cancellationToken);
if (response.IsSuccessStatusCode)
{
return(response);
}
// TODO Log Unsuccessful Response.
// Try to get Error Information if present in response body.
if (response.Content != null)
{
DaprError error = null;
try
{
var contentStream = await response.Content.ReadAsStreamAsync();
if (contentStream.Length != 0)
{
error = await JsonSerializer.DeserializeAsync <DaprError>(contentStream, jsonSerializerOptions);
}
}
catch (Exception ex)
{
throw new DaprApiException(string.Format("ServerErrorNoMeaningFulResponse", response.StatusCode), ex);
}
if (error != null)
{
throw new DaprApiException(error.Message, error.ErrorCode, false);
}
else
{
// Handle NotFound 404, without any ErrorCode.
if (response.StatusCode.Equals(HttpStatusCode.NotFound))
{
throw new DaprApiException("ErrorMessageHTTP404", Constants.ErrorDoesNotExist, false);
}
}
}
// Couldn't determine Error information from response., throw exception with status code.
throw new DaprApiException(string.Format("ServerErrorNoMeaningFulResponse", response.StatusCode));
}
/// <summary>
/// Sends an HTTP get request to cluster http gateway.
/// </summary>
/// <param name="requestFunc">Func to create HttpRequest to send.</param>
/// <param name="relativeUri">The relative URI.</param>
/// <param name="requestId">Request Id for corelation.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>The payload of the GET response.</returns>
private async Task <HttpResponseMessage> SendAsyncHandleUnsuccessfulResponse(
Func <HttpRequestMessage> requestFunc,
string relativeUri,
string requestId,
CancellationToken cancellationToken)
{
HttpRequestMessage FinalRequestFunc()
{
var request = requestFunc.Invoke();
request.RequestUri = new Uri($"http://{DaprEndpoint}:{this.daprPort}/{relativeUri}");
// Add correlation IDs.
request.Headers.Add(Constants.RequestIdHeaderName, this.GetClientRequestIdWithCorrelation(requestId));
return(request);
}
var response = await this.SendAsyncHandleSecurityExceptions(FinalRequestFunc, cancellationToken);
if (response.IsSuccessStatusCode)
{
return(response);
}
// TODO Log Unsuccessful Response.
// Try to get Error Information if present in response body.
if (response.Content != null)
{
DaprError error = null;
try
{
var contentStream = await response.Content.ReadAsStreamAsync();
if (contentStream.Length != 0)
{
using var streamReader = new StreamReader(contentStream);
var json = await streamReader.ReadToEndAsync();
error = JsonConvert.DeserializeObject <DaprError>(json);
}
}
catch (Exception ex)
{
throw new DaprException(string.Format("ServerErrorNoMeaningFulResponse", response.StatusCode), ex);
}
if (error != null)
{
throw new DaprException(error.Message, error.ErrorCode ?? DaprErrorCodes.UNKNOWN, false);
}
else
{
// Handle NotFound 404, without any ErrorCode.
if (response.StatusCode.Equals(HttpStatusCode.NotFound))
{
throw new DaprException("ErrorMessageHTTP404", DaprErrorCodes.ERR_DOES_NOT_EXIST, false);
}
}
}
// Couldn't determine Error information from response., throw exception with status code.
throw new DaprException(string.Format("ServerErrorNoMeaningFulResponse", response.StatusCode));
}
