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;
}
/// <inheritdoc cref="IConnection.Request{TResponse}"/>>
public virtual TResponse Request <TResponse>(RequestData requestData)
where TResponse : class, ITransportResponse, new()
{
int?statusCode = null;
IEnumerable <string> warnings = null;
Stream responseStream = null;
Exception ex = null;
string mimeType = null;
ReadOnlyDictionary <TcpState, int> tcpStats = null;
ReadOnlyDictionary <string, ThreadPoolStatistics> threadPoolStats = null;
try
{
var request = CreateHttpWebRequest(requestData);
var data = requestData.PostData;
if (data != null)
{
using (var stream = request.GetRequestStream())
{
if (requestData.HttpCompression)
{
using var zipStream = new GZipStream(stream, CompressionMode.Compress);
data.Write(zipStream, requestData.ConnectionSettings);
}
else
{
data.Write(stream, requestData.ConnectionSettings);
}
}
}
requestData.MadeItToResponse = true;
if (requestData.TcpStats)
{
tcpStats = TcpStats.GetStates();
}
if (requestData.ThreadPoolStats)
{
threadPoolStats = ThreadPoolStats.GetStats();
}
//http://msdn.microsoft.com/en-us/library/system.net.httpwebresponse.getresponsestream.aspx
//Either the stream or the response object needs to be closed but not both although it won't
//throw any errors if both are closed atleast one of them has to be Closed.
//Since we expose the stream we let closing the stream determining when to close the connection
var httpWebResponse = (HttpWebResponse)request.GetResponse();
HandleResponse(httpWebResponse, out statusCode, out responseStream, out mimeType);
//response.Headers.HasKeys() can return false even if response.Headers.AllKeys has values.
if (httpWebResponse.SupportsHeaders && httpWebResponse.Headers.Count > 0 && httpWebResponse.Headers.AllKeys.Contains("Warning"))
{
warnings = httpWebResponse.Headers.GetValues("Warning");
}
}
catch (WebException e)
{
ex = e;
if (e.Response is HttpWebResponse httpWebResponse)
{
HandleResponse(httpWebResponse, out statusCode, out responseStream, out mimeType);
}
}
responseStream ??= Stream.Null;
var response = ResponseBuilder.ToResponse <TResponse>(requestData, ex, statusCode, warnings, responseStream, mimeType);
// set TCP and threadpool stats on the response here so that in the event the request fails after the point of
// gathering stats, they are still exposed on the call details. Ideally these would be set inside ResponseBuilder.ToResponse,
// but doing so would be a breaking change in 7.x
response.ApiCall.TcpStats = tcpStats;
response.ApiCall.ThreadPoolStats = threadPoolStats;
return(response);
}
