public bool TryQueryScalarConfig(bool logErrors, out ServerScalarConfig serverScalarConfig, out HttpStatusCode?httpStatus, out string errorMessage)
{
Uri scalarConfigEndpoint;
if (!this.TryCreateRepoEndpointUri(this.repoUrl, ScalarConstants.Endpoints.ScalarConfig, out scalarConfigEndpoint, out errorMessage))
{
serverScalarConfig = null;
httpStatus = null;
return(false);
}
long requestId = HttpRequestor.GetNewRequestId();
RetryWrapper <ServerScalarConfig> retrier = new RetryWrapper <ServerScalarConfig>(this.RetryConfig.MaxAttempts, CancellationToken.None);
if (logErrors)
{
retrier.OnFailure += RetryWrapper <ServerScalarConfig> .StandardErrorHandler(this.Tracer, requestId, "QueryGvfsConfig");
}
RetryWrapper <ServerScalarConfig> .InvocationResult output = retrier.Invoke(
tryCount =>
{
using (GitEndPointResponseData response = this.SendRequest(
requestId,
scalarConfigEndpoint,
HttpMethod.Get,
requestContent: null,
cancellationToken: CancellationToken.None))
{
if (response.HasErrors)
{
return(new RetryWrapper <ServerScalarConfig> .CallbackResult(response.Error, response.ShouldRetry));
}
try
{
string configString = response.RetryableReadToEnd();
ServerScalarConfig config = JsonConvert.DeserializeObject <ServerScalarConfig>(configString);
return(new RetryWrapper <ServerScalarConfig> .CallbackResult(config));
}
catch (JsonReaderException e)
{
return(new RetryWrapper <ServerScalarConfig> .CallbackResult(e, shouldRetry: false));
}
}
});
if (output.Succeeded)
{
serverScalarConfig = output.Result;
httpStatus = HttpStatusCode.OK;
return(true);
}
httpStatus = null;
GitObjectsHttpException httpException = output.Error as GitObjectsHttpException;
if (httpException != null)
{
httpStatus = httpException.StatusCode;
}
errorMessage = output.Error.Message;
if (logErrors)
{
this.Tracer.RelatedError(
new EventMetadata
{
{ "Exception", output.Error.ToString() }
},
$"{nameof(this.TryQueryScalarConfig)} failed");
}
serverScalarConfig = null;
return(false);
}
public bool TryQueryRepoInfo(bool logErrors, out VstsInfoData vstsInfo, out string errorMessage)
{
Uri repoInfoEndpoint;
if (!this.TryCreateRepoEndpointUri(this.repoUrl, ScalarConstants.Endpoints.RepoInfo, out repoInfoEndpoint, out errorMessage))
{
vstsInfo = null;
return(false);
}
long requestId = HttpRequestor.GetNewRequestId();
RetryWrapper <VstsInfoData> retrier = new RetryWrapper <VstsInfoData>(this.RetryConfig.MaxAttempts, CancellationToken.None);
retrier.OnFailure += RetryWrapper <VstsInfoData> .StandardErrorHandler(
this.Tracer,
requestId,
"QueryVstsInfo",
forceLogAsWarning : true); // Not all servers support /vsts/info
RetryWrapper <VstsInfoData> .InvocationResult output = retrier.Invoke(
tryCount =>
{
using (GitEndPointResponseData response = this.SendRequest(
requestId,
repoInfoEndpoint,
HttpMethod.Get,
requestContent: null,
cancellationToken: CancellationToken.None))
{
if (response.HasErrors)
{
return(new RetryWrapper <VstsInfoData> .CallbackResult(response.Error, response.ShouldRetry));
}
try
{
string configString = response.RetryableReadToEnd();
VstsInfoData vstsInfoData = JsonConvert.DeserializeObject <VstsInfoData>(
configString,
new JsonSerializerSettings
{
MissingMemberHandling = MissingMemberHandling.Ignore
});
return(new RetryWrapper <VstsInfoData> .CallbackResult(vstsInfoData));
}
catch (JsonReaderException e)
{
return(new RetryWrapper <VstsInfoData> .CallbackResult(e, shouldRetry: false));
}
}
});
if (output.Succeeded)
{
vstsInfo = output.Result;
errorMessage = null;
return(true);
}
GitObjectsHttpException httpException = output.Error as GitObjectsHttpException;
HttpStatusCode? httpStatusCode = httpException?.StatusCode;
vstsInfo = null;
EventMetadata metadata = new EventMetadata();
metadata.Add(nameof(httpStatusCode), httpStatusCode.ToString());
metadata.Add(nameof(this.IsAnonymous), this.IsAnonymous);
if (httpStatusCode == HttpStatusCode.NotFound ||
(httpStatusCode == HttpStatusCode.Unauthorized && this.IsAnonymous))
{
errorMessage = null;
this.Tracer.RelatedEvent(
EventLevel.Informational,
$"{nameof(this.TryQueryRepoInfo)}_NoVstsInfo",
metadata);
// These failures are OK because not all servers support /vsts/info
return(true);
}
metadata.Add("Exception", output.Error.ToString());
this.Tracer.RelatedError(metadata, $"{nameof(this.TryQueryRepoInfo)} failed");
errorMessage = output.Error.Message;
return(false);
}