public bool TryQueryGSDConfig(bool logErrors, out ServerGSDConfig serverGSDConfig, out HttpStatusCode?httpStatus, out string errorMessage)
{
serverGSDConfig = null;
httpStatus = null;
errorMessage = null;
Uri gvfsConfigEndpoint;
string gvfsConfigEndpointString = this.repoUrl + GSDConstants.Endpoints.GSDConfig;
try
{
gvfsConfigEndpoint = new Uri(gvfsConfigEndpointString);
}
catch (UriFormatException e)
{
EventMetadata metadata = new EventMetadata();
metadata.Add("Method", nameof(this.TryQueryGSDConfig));
metadata.Add("Exception", e.ToString());
metadata.Add("Url", gvfsConfigEndpointString);
this.Tracer.RelatedError(metadata, "UriFormatException when constructing Uri", Keywords.Network);
return(false);
}
long requestId = HttpRequestor.GetNewRequestId();
RetryWrapper <ServerGSDConfig> retrier = new RetryWrapper <ServerGSDConfig>(this.RetryConfig.MaxAttempts, CancellationToken.None);
if (logErrors)
{
retrier.OnFailure += RetryWrapper <ServerGSDConfig> .StandardErrorHandler(this.Tracer, requestId, "QueryGvfsConfig");
}
RetryWrapper <ServerGSDConfig> .InvocationResult output = retrier.Invoke(
tryCount =>
{
using (GitEndPointResponseData response = this.SendRequest(
requestId,
gvfsConfigEndpoint,
HttpMethod.Get,
requestContent: null,
cancellationToken: CancellationToken.None))
{
if (response.HasErrors)
{
return(new RetryWrapper <ServerGSDConfig> .CallbackResult(response.Error, response.ShouldRetry));
}
try
{
string configString = response.RetryableReadToEnd();
ServerGSDConfig config = JsonConvert.DeserializeObject <ServerGSDConfig>(configString);
return(new RetryWrapper <ServerGSDConfig> .CallbackResult(config));
}
catch (JsonReaderException e)
{
return(new RetryWrapper <ServerGSDConfig> .CallbackResult(e, shouldRetry: false));
}
}
});
if (output.Succeeded)
{
serverGSDConfig = output.Result;
httpStatus = HttpStatusCode.OK;
return(true);
}
GitObjectsHttpException httpException = output.Error as GitObjectsHttpException;
if (httpException != null)
{
httpStatus = httpException.StatusCode;
errorMessage = httpException.Message;
}
if (logErrors)
{
this.Tracer.RelatedError(
new EventMetadata
{
{ "Exception", output.Error.ToString() }
},
$"{nameof(this.TryQueryGSDConfig)} failed");
}
return(false);
}
public virtual List <GitObjectSize> QueryForFileSizes(IEnumerable <string> objectIds, CancellationToken cancellationToken)
{
long requestId = HttpRequestor.GetNewRequestId();
string objectIdsJson = ToJsonList(objectIds);
Uri cacheServerEndpoint = new Uri(this.CacheServer.SizesEndpointUrl);
Uri originEndpoint = new Uri(this.enlistment.RepoUrl + GSDConstants.Endpoints.GSDSizes);
EventMetadata metadata = new EventMetadata();
metadata.Add("RequestId", requestId);
int objectIdCount = objectIds.Count();
if (objectIdCount > 10)
{
metadata.Add("ObjectIdCount", objectIdCount);
}
else
{
metadata.Add("ObjectIdJson", objectIdsJson);
}
this.Tracer.RelatedEvent(EventLevel.Informational, "QueryFileSizes", metadata, Keywords.Network);
RetryWrapper <List <GitObjectSize> > retrier = new RetryWrapper <List <GitObjectSize> >(this.RetryConfig.MaxAttempts, cancellationToken);
retrier.OnFailure += RetryWrapper <List <GitObjectSize> > .StandardErrorHandler(this.Tracer, requestId, "QueryFileSizes");
RetryWrapper <List <GitObjectSize> > .InvocationResult requestTask = retrier.Invoke(
tryCount =>
{
Uri gvfsEndpoint;
if (this.nextCacheServerAttemptTime < DateTime.Now)
{
gvfsEndpoint = cacheServerEndpoint;
}
else
{
gvfsEndpoint = originEndpoint;
}
using (GitEndPointResponseData response = this.SendRequest(requestId, gvfsEndpoint, HttpMethod.Post, objectIdsJson, cancellationToken))
{
if (response.StatusCode == HttpStatusCode.NotFound)
{
this.nextCacheServerAttemptTime = DateTime.Now.AddDays(1);
return(new RetryWrapper <List <GitObjectSize> > .CallbackResult(response.Error, true));
}
if (response.HasErrors)
{
return(new RetryWrapper <List <GitObjectSize> > .CallbackResult(response.Error, response.ShouldRetry));
}
string objectSizesString = response.RetryableReadToEnd();
List <GitObjectSize> objectSizes = JsonConvert.DeserializeObject <List <GitObjectSize> >(objectSizesString);
return(new RetryWrapper <List <GitObjectSize> > .CallbackResult(objectSizes));
}
});
return(requestTask.Result ?? new List <GitObjectSize>(0));
}