private static async Task <TOut> RequestRetryPolicy <TOut>(FlurlHttpException flurlException, IFlurlRequest flurlRequest, WebRequestContext requestContext)
{
TOut result = default;
if (flurlException.Call.Response != null &&
flurlException.Call.Response.StatusCode == System.Net.HttpStatusCode.ServiceUnavailable)
{
_exceptionHandler?.Invoke(flurlException);
}
else if (flurlException.Call.Response != null)// 재시도
{
if (requestContext.NeedEncrypt)
{
result = await EncryptSendAsync <TOut>(flurlRequest, requestContext);
}
else
{
result = await SendAsync <TOut>(flurlRequest, requestContext);
}
}
return(result);
}
public static T Try <T>(int howHard, Func <T> createFunc, ExceptionHandlerDelegate exceptionHandler)
{
var failCount = 0;
while (true)
{
try
{
return(createFunc());
}
catch (Exception e)
{
failCount++;
var timeToThrow = failCount >= howHard;
exceptionHandler?.Invoke(e, failCount, howHard, timeToThrow);
if (timeToThrow)
{
throw;
}
}
}
}
public static void Try(int howHard, Action createAction, ExceptionHandlerDelegate exceptionHandler)
{
var failCount = 0;
while (true)
{
try
{
createAction();
return;
}
catch (Exception e)
{
failCount++;
var timeToThrow = failCount >= howHard;
exceptionHandler?.Invoke(e, failCount, howHard, timeToThrow);
if (timeToThrow)
{
throw;
}
}
}
}
private static async Task <TOut> SendAsync <TOut>(IFlurlRequest flurlRequest, WebRequestContext requestContext)
{
TOut result = default;
try
{
requestContext.AttemptCnt++;
if (requestContext.MethodType == WebMethodType.GET)
{
if (requestContext.SerializeType == SerializeType.Json)
{
result = await flurlRequest.GetJsonAsync <TOut>();
}
else
{
var rawData = await flurlRequest.GetBytesAsync();
result = MessagePackSerializer.Deserialize <TOut>(rawData);
}
}
else if (requestContext.MethodType == WebMethodType.POST)
{
if (requestContext.SerializeType == SerializeType.Json)
{
result = await flurlRequest
.PostJsonAsync((string)requestContext)
.ReceiveJson <TOut>();
}
else
{
var rawData = await flurlRequest
.PostAsync(new ByteArrayContent(requestContext))
.ReceiveBytes();
result = MessagePackSerializer.Deserialize <TOut>(rawData);
}
}
}
catch (FlurlHttpException flurlException)
{
if (requestContext.AttemptCnt < WebConfig.ReTryCount)
{
result = await RequestRetryPolicy <TOut>(flurlException, flurlRequest, requestContext);
}
else
{
if (_exceptionHandler != null)
{
await _exceptionHandler.Invoke(flurlException);
}
}
}
catch (Exception ex)
{
if (_exceptionHandler != null)
{
await _exceptionHandler.Invoke(ex);
}
}
return(result);
}
