private async Task <List <string> > CheckUpdateConfigStr(string probeUpdateString, bool isInitializingCacheList)
{
var parameters = new Dictionary <string, string>(2)
{
[Constants.PROBE_MODIFY_REQUEST] = probeUpdateString
};
var headers = new Dictionary <string, string>(2);
headers["Long-Pulling-Timeout"] = _timeout.ToString();
// told server do not hang me up if new initializing cacheData added in
if (isInitializingCacheList)
{
headers["Long-Pulling-Timeout-No-Hangup"] = "true";
}
if (probeUpdateString.IsNullOrWhiteSpace())
{
return(new List <string>());
}
try
{
AssembleHttpParams(parameters, headers);
// In order to prevent the server from handling the delay of the client's long task,
// increase the client's read timeout to avoid this problem.
long readTimeoutMs = _timeout + (long)Math.Round((_timeout >> 1) * 1d);
var result = await _agent.HttpPost(Constants.CONFIG_CONTROLLER_PATH + "/listener", headers, parameters, "", readTimeoutMs);
if (result.IsSuccessStatusCode)
{
_isHealthServer = true;
var data = await result.Content.ReadAsStringAsync();
return(ParseUpdateDataIdResponse(data));
}
else
{
_isHealthServer = false;
_logger?.LogError("[{0}] [check-update] get changed dataId error, code: {1}", _agent.GetName(), result.StatusCode.ToString());
}
}
catch (Exception ex)
{
_isHealthServer = false;
_logger?.LogError(ex, "[{0}] [check-update] get changed dataId exception", _agent.GetName());
throw;
}
return(null);
}
