private async Task EnsureDiagnostics()
{
if (_diagCache == null)
{
var resp = await _searchClient.GetDiagnostics();
if (!resp.IsSuccessStatusCode)
{
Trace.Error("HTTP Error when retrieving diagnostics: " + ((int)resp.StatusCode).ToString());
_diagCache = new JObject();
}
else
{
_diagCache = await resp.ReadContent();
}
}
}