public DISIngestionClient(string disConfigFile)
{
_disConfig = DISConfig.BuildConfig(disConfigFile);
_credentials = new BasicCredentials(_disConfig.GetAK(), _disConfig.GetSK());
_region = _disConfig.GetRegion();
}
protected T DoRequest <T>(object requestContent)
{
int retryCount = -1;
ExponentialBackOff backOff = null;
do
{
retryCount++;
if (retryCount > 0)
{
// 等待一段时间再发起重试
if (backOff == null)
{
backOff = new ExponentialBackOff(250, 2.0, disConfig.GetBackOffMaxIntervalMs(),
ExponentialBackOff.DEFAULT_MAX_ELAPSED_TIME);
}
backOff.backOff(backOff.getNextBackOff());
}
try
{
requestObs.Headers.Remove(HttpHeaderKeys.Authorization);
requestObs.Headers.Remove(HttpHeaderKeys.SdkData);
requestObs.Headers.Remove(HttpHeaderKeys.SdkShaContent);
requestObs.Headers.Remove(HttpHeaderKeys.HostHeader);
// 每次重传需要重新签名
requestObs = SignUtil.Sign(requestObs, disConfig.GetAK(), disConfig.GetSK(), disConfig.GetRegion());
return(DoRequest <T>(requestObs, requestContent));
}
catch (Exception t)
{
String errorMsg = t.Message;
int statusCode = int.Parse(errorMsg.Split('\n')[0]);
// 如果不是可以重试的异常 或者 已达到重试次数，则直接抛出异常
if (!Utils.Utils.IsRetriableSendException(statusCode) || retryCount >= disConfig.GetExceptionRetries())
{
throw new Exception(errorMsg.Substring(statusCode.ToString().Length + 1), t);
}
logger.WarnFormat("Find Retriable Exception {0}, url [{1} {2}], currRetryCount is {3}",
errorMsg.Replace("\r\n", ""), requestObs.HttpMethod, requestObs.Endpoint.Host.Trim('/') + requestObs.ResourcePath, retryCount);
}
} while (retryCount < disConfig.GetExceptionRetries());
return(default(T));
}
public DISIngestionClient()
{
_disConfig = DISConfig.buildDefaultConfig();
_credentials = new BasicCredentials(_disConfig.GetAK(), _disConfig.GetSK());
_region = _disConfig.GetRegion();
}