private static void UpdateMetric(IRequestTimeMetric metric, long value, int numberOfRequests)
{
for (var i = 0; i < numberOfRequests; i++)
{
metric.Update(value);
}
}
private Task <RavenJToken> SendRequestInternal(Func <HttpRequestMessage> getRequestMessage, bool readErrorString = true)
{
if (isRequestSentToServer && Debugger.IsAttached == false)
{
throw new InvalidOperationException("Request was already sent to the server, cannot retry request.");
}
isRequestSentToServer = true;
return(RunWithAuthRetry(async() =>
{
try
{
var requestMessage = getRequestMessage();
CopyHeadersToHttpRequestMessage(requestMessage);
var sp = Stopwatch.StartNew();
try
{
Response = await httpClient.SendAsync(requestMessage).ConfigureAwait(false);
}
catch (OperationCanceledException e)
{
throw new TimeoutException(string.Format("Request for {0} timed out after {1:#,#;;0} ms", requestMessage.RequestUri, sp.ElapsedMilliseconds), e);
}
SetResponseHeaders(Response);
AssertServerVersionSupported();
ResponseStatusCode = Response.StatusCode;
}
catch (HttpRequestException e)
{
if (Response == null) //something bad happened and httpClient.SendAsync failed -> i.e. server down, network down
{
e.Data.Add(Constants.RequestFailedExceptionMarker, true);
}
throw ErrorResponseException.FromHttpRequestException(e);
}
finally
{
sp.Stop();
if (requestTimeMetric != null)
{
requestTimeMetric.Update((int)sp.Elapsed.TotalMilliseconds);
}
}
// throw the conflict exception
return await CheckForErrorsAndReturnCachedResultIfAnyAsync(readErrorString).ConfigureAwait(false);
}));
}
private Task <RavenJToken> SendRequestInternal(Func <HttpRequestMessage> getRequestMessage, bool readErrorString = true)
{
if (isRequestSentToServer && Debugger.IsAttached == false)
{
throw new InvalidOperationException("Request was already sent to the server, cannot retry request.");
}
isRequestSentToServer = true;
return(RunWithAuthRetry(async() =>
{
try
{
var requestMessage = getRequestMessage();
CopyHeadersToHttpRequestMessage(requestMessage);
Response = await httpClient.SendAsync(requestMessage).ConfigureAwait(false);
SetResponseHeaders(Response);
AssertServerVersionSupported();
ResponseStatusCode = Response.StatusCode;
}
catch (HttpRequestException e)
{
var exception = ErrorResponseException.FromException(e);
exception.Data.Add(Constants.RequestFailedExceptionMarker, true);
Response = exception.Response;
ResponseStatusCode = Response.StatusCode;
throw exception;
}
catch (TaskCanceledException e)
{
var exception = ErrorResponseException.FromException(e);
exception.Data.Add(Constants.RequestFailedExceptionMarker, true);
Response = exception.Response;
ResponseStatusCode = Response.StatusCode;
throw exception;
}
finally
{
sp.Stop();
if (requestTimeMetric != null)
{
requestTimeMetric.Update((int)sp.Elapsed.TotalMilliseconds);
}
}
// throw the conflict exception
return await CheckForErrorsAndReturnCachedResultIfAnyAsync(readErrorString).ConfigureAwait(false);
}));
}
public void Update(long requestTimeInMilliseconds)
{
var rate = RequestTimeMetric.Rate();
var maxRate = MaxDecreasingRatio * rate;
var minRate = MinDecreasingRatio * rate;
var decreasingRate = rate - requestTimeInMilliseconds;
if (decreasingRate > maxRate)
{
decreasingRate = maxRate;
}
if (decreasingRate < minRate)
{
decreasingRate = minRate;
}
RequestTimeMetric.Update((long)decreasingRate);
}
