private async Task <Stream> SendTargetedNotificationsRequestAsync(IEnumerable <string> previouslyCachedRuleIds)
{
Stream stream = null;
apiTimer = Stopwatch.StartNew();
try
{
CancellationTokenSource tokenSource = new CancellationTokenSource();
Task.Delay(10000).ContinueWith(delegate
{
tokenSource.Cancel();
});
CancellationToken cancelToken = CancellationTokenSource.CreateLinkedTokenSource(tokenSource.Token, cancellationTokenSource.Token).Token;
string parameters = await BuildRequestParametersAsync(previouslyCachedRuleIds).ConfigureAwait(false);
IHttpWebRequestFactory httpWebRequestFactory = webRequestFactory;
IHttpWebRequest request = httpWebRequestFactory.Create(await ResolveUrlRedirect("https://go.microsoft.com/fwlink/?LinkId=690387", cancelToken).ConfigureAwait(false));
request.ContentType = "application/json";
request.Method = "POST";
logger.LogVerbose("Sending request to TN backend", parameters);
byte[] postData = Encoding.UTF8.GetBytes(parameters);
request.ContentLength = postData.Length;
Stream postStream = await request.GetRequestStreamAsync().ConfigureAwait(false);
await postStream.WriteAsync(postData, 0, postData.Length, cancelToken).ConfigureAwait(false);
postStream.Close();
IHttpWebResponse httpWebResponse = await request.GetResponseAsync(cancelToken).ConfigureAwait(false);
apiTimer.Stop();
if (httpWebResponse.ErrorCode == ErrorCode.NoError)
{
stream = httpWebResponse.GetResponseStream();
}
else
{
string eventName = "VS/Core/TargetedNotifications/ApiRequestFailed";
string description = "Request failed.";
Dictionary <string, object> dictionary = new Dictionary <string, object>
{
{
"VS.Core.TargetedNotifications.ErrorCode",
httpWebResponse.ErrorCode
},
{
"VS.Core.TargetedNotifications.ApiResponseMs",
apiTimer?.ElapsedMilliseconds
},
{
"VS.Core.TargetedNotifications.Iteration",
queryIteration
}
};
if (httpWebResponse.ErrorCode == ErrorCode.WebExceptionThrown)
{
dictionary.Add("VS.Core.TargetedNotifications.WebExceptionCode", httpWebResponse.ExceptionCode);
}
targetedNotificationsTelemetry.PostDiagnosticFault(eventName, description, null, dictionary);
}
return(stream);
}
catch (Exception exception)
{
apiTimer.Stop();
string eventName2 = "VS/Core/TargetedNotifications/ApiRequestException";
string text = "Sending request to TN backend failed";
Dictionary <string, object> additionalProperties = new Dictionary <string, object>
{
{
"VS.Core.TargetedNotifications.ApiResponseMs",
apiTimer?.ElapsedMilliseconds
},
{
"VS.Core.TargetedNotifications.Iteration",
queryIteration
}
};
logger.LogError(text, exception);
targetedNotificationsTelemetry.PostDiagnosticFault(eventName2, text, exception, additionalProperties);
return(stream);
}
}
