async Task <HttpResponseMessage> SendInternalAsync(FeignHttpRequestMessage request, CancellationToken cancellationToken)
{
var current = request.RequestUri;
CancellationTokenSource cts = null;
try
{
#region BuildingRequest
BuildingRequestEventArgs <TService> buildingArgs = new BuildingRequestEventArgs <TService>(_feignClient, request.Method.ToString(), request.RequestUri, new Dictionary <string, string>(), request.FeignClientRequest);
_feignClient.OnBuildingRequest(buildingArgs);
//request.Method = new HttpMethod(buildingArgs.Method);
request.RequestUri = buildingArgs.RequestUri;
if (buildingArgs.Headers != null && buildingArgs.Headers.Count > 0)
{
foreach (var item in buildingArgs.Headers)
{
request.Headers.TryAddWithoutValidation(item.Key, item.Value);
}
}
#endregion
request.RequestUri = LookupRequestUri(request);
#region SendingRequest
SendingRequestEventArgs <TService> sendingArgs = new SendingRequestEventArgs <TService>(_feignClient, request, cancellationToken);
_feignClient.OnSendingRequest(sendingArgs);
if (sendingArgs.IsTerminated)
{
//请求被终止
throw new TerminatedRequestException();
}
if (sendingArgs._cancellationTokenSource != null)
{
cts = sendingArgs._cancellationTokenSource;
cancellationToken = cts.Token;
}
request = sendingArgs.RequestMessage;
if (request == null)
{
_logger?.LogError($"SendingRequest is null;");
return(new HttpResponseMessage(System.Net.HttpStatusCode.ExpectationFailed)
{
Content = new StringContent(""),
//Headers = new System.Net.Http.Headers.HttpResponseHeaders(),
RequestMessage = request
});
}
#endregion
#region CannelRequest
CancelRequestEventArgs <TService> cancelArgs = new CancelRequestEventArgs <TService>(_feignClient, request, cancellationToken);
_feignClient.OnCancelRequest(cancelArgs);
#endregion
return(await base.SendAsync(request, cancelArgs.CancellationToken)
#if CONFIGUREAWAIT_FALSE
.ConfigureAwait(false)
#endif
);
}
catch (Exception e)
{
if (!e.IsSkipLog())
{
_logger?.LogError(e, "Exception during SendAsync()");
}
if (e is HttpRequestException)
{
FeignHttpRequestException feignHttpRequestException = new FeignHttpRequestException(_feignClient, request, (HttpRequestException)e);
ExceptionDispatchInfo exceptionDispatchInfo = ExceptionDispatchInfo.Capture(feignHttpRequestException);
exceptionDispatchInfo.Throw();
}
throw;
}
finally
{
request.RequestUri = current;
if (cts != null)
{
cts.Dispose();
}
}
}
/// <summary>
///
/// </summary>
/// <param name="request"></param>
/// <param name="cancellationToken"></param>
/// <returns></returns>
protected override async Task <HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
{
FeignHttpRequestMessage feignRequest = request as FeignHttpRequestMessage;
var current = request.RequestUri;
try
{
#region BuildingRequest
BuildingRequestEventArgs buildingArgs = new BuildingRequestEventArgs(_feignClient, request.Method.ToString(), request.RequestUri, new Dictionary <string, string>());
_feignClient.OnBuildingRequest(buildingArgs);
//request.Method = new HttpMethod(buildingArgs.Method);
request.RequestUri = buildingArgs.RequestUri;
if (buildingArgs.Headers != null && buildingArgs.Headers.Count > 0)
{
foreach (var item in buildingArgs.Headers)
{
request.Headers.TryAddWithoutValidation(item.Key, item.Value);
}
}
#endregion
request.RequestUri = LookupRequestUri(request.RequestUri);
#region SendingRequest
SendingRequestEventArgs sendingArgs = new SendingRequestEventArgs(_feignClient, feignRequest);
_feignClient.OnSendingRequest(sendingArgs);
if (sendingArgs.IsTerminated)
{
throw new TerminatedRequestException();
}
request = sendingArgs.RequestMessage;
if (request == null)
{
_logger?.LogError($"SendingRequest is null;");
return(new HttpResponseMessage(System.Net.HttpStatusCode.ExpectationFailed)
{
Content = new StringContent(""),
//Headers = new System.Net.Http.Headers.HttpResponseHeaders(),
RequestMessage = request
});
}
#endregion
#region CannelRequest
CancelRequestEventArgs cancelArgs = new CancelRequestEventArgs(_feignClient, cancellationToken);
_feignClient.OnCancelRequest(cancelArgs);
#endregion
return(await base.SendAsync(request, cancellationToken));
}
catch (Exception e)
{
if (!e.IsSkipLog())
{
_logger?.LogError(e, "Exception during SendAsync()");
}
if (e is HttpRequestException)
{
FeignHttpRequestException feignHttpRequestException = new FeignHttpRequestException(_feignClient, feignRequest, (HttpRequestException)e);
ExceptionDispatchInfo exceptionDispatchInfo = ExceptionDispatchInfo.Capture(feignHttpRequestException);
exceptionDispatchInfo.Throw();
}
throw;
}
finally
{
request.RequestUri = current;
}
}
