private async Task <T> DoWithRetry <T>(DoConnection <T> func, string LogPrefix = "DoWithRetry")
{
Random rnd = new Random();
var retry = 0;
string error_str = "";
while (++retry < 30)
{
try
{
return(await func());
}
catch (HttpRequestException ex)
{
error_str = ex.Message;
Config.Log.LogOut("\t[" + LogPrefix + "] " + error_str);
if (ex.Message.Contains("401 (Unauthorized)") ||
ex.Message.Contains("429 (Too Many Requests)") ||
ex.Message.Contains("500 (Internal Server Error)") ||
ex.Message.Contains("503 (Service Unavailable)"))
{
var waitsec = rnd.Next((int)Math.Pow(2, Math.Min(retry - 1, 8)));
Config.Log.LogOut("\t[" + LogPrefix + "] wait " + waitsec.ToString() + " sec");
await Task.Delay(waitsec * 1000);
}
else
{
break;
}
}
catch (OperationCanceledException)
{
throw;
}
catch (Exception ex)
{
error_str = ex.ToString();
Config.Log.LogOut("\t[" + LogPrefix + "] " + error_str);
break;
}
}
throw new SystemException(LogPrefix + " Failed. " + error_str);
}
private async Task <T> DoWithRetry <T>(DoConnection <T> func, CancellationToken ct = default(CancellationToken), string LogPrefix = "DoWithRetry")
{
Random rnd = new Random();
var retry = 0;
string error_str = "";
while (++retry < 30)
{
ct.ThrowIfCancellationRequested();
try
{
return(await func());
}
catch (HttpRequestException ex)
{
error_str = ex.Message;
Log(LogPrefix, error_str);
if (ex.Message.Contains("429") ||
ex.Message.Contains("500") ||
ex.Message.Contains("503"))
{
var waitsec = rnd.Next((int)Math.Pow(2, Math.Min(retry - 1, 8)));
Log(LogPrefix, "wait " + waitsec.ToString() + " sec");
await Task.Delay(waitsec * 1000).ConfigureAwait(false);
}
else if (ex.Message.Contains("401"))
{
Log(LogPrefix, "auth failed.");
var retry_auth = 5;
while (retry_auth-- > 0)
{
ct.ThrowIfCancellationRequested();
Auth = await RefreshAuthorizationCode(Auth, ct).ConfigureAwait(false);
await EnsureEndpoint(ct).ConfigureAwait(false);
if (await GetAccountInfo(ct).ConfigureAwait(false))
{
Log(LogPrefix, "Refresh sucess.");
AuthTimer = DateTime.Now;
break;
}
await Task.Delay(1000, ct).ConfigureAwait(false);
}
if (retry_auth > 0)
{
continue;
}
Log(LogPrefix, "Refresh failed.");
break;
}
else
{
break;
}
}
catch (WebException ex)
{
Log(LogPrefix, ex.ToString());
Log(LogPrefix, ex.Status.ToString());
var waitsec = rnd.Next((int)Math.Pow(2, Math.Min(retry - 1, 8)));
Log(LogPrefix, "wait " + waitsec.ToString() + " sec");
await Task.Delay(waitsec * 1000).ConfigureAwait(false);
}
catch (OperationCanceledException)
{
throw;
}
catch (Exception ex)
{
error_str = ex.ToString();
Log(LogPrefix, error_str);
break;
}
}
throw new SystemException(LogPrefix + " Failed. " + error_str);
}
