private void RefreshQuotaIfNeeded()
{
if (!IsRefreshNeeded())
{
return;
}
lock (locker)
{
if (IsRefreshNeeded())//Double check
{
Log.DebugFormat("refreshing qouta. interval: {0} Last refresh was at: {1}", refreshTimeout, lastRefresh);
//Do quota refresh
lastRefresh = DateTime.UtcNow.AddMinutes(1);
try
{
var r = new GetSendQuotaRequest();
quota = ses.GetSendQuotaAsync(r).Result;
sendWindow = TimeSpan.FromSeconds(1.0 / quota.MaxSendRate);
Log.DebugFormat("quota: {0}/{1} at {2} mps. send window:{3}", quota.SentLast24Hours, quota.Max24HourSend, quota.MaxSendRate, sendWindow);
}
catch (Exception e)
{
Log.Error("error refreshing quota", e);
}
}
}
}
protected virtual void GetAmazonQuota()
{
_amazonLimitsReceived = false;
//quota request also increments messages sent counter
InsertTime();
using (var client = new AmazonSimpleEmailServiceClient(_credentials.AwsAccessKey,
_credentials.AwsSecretKey, _credentials.RegionEndpoint))
{
try
{
GetSendQuotaResponse response = client.GetSendQuotaAsync().Result;
_max24HourSend.Limit = (int)response.Max24HourSend;
_max24HourSend.Period = TimeSpan.FromHours(24);
_maxSecondSend.Limit = (int)response.MaxSendRate;
_maxSecondSend.Period = TimeSpan.FromSeconds(1);
_amazonLimitsReceived = true;
}
catch (Exception sesException)
{
_logger.LogError(sesException, "Exceptions while AWS SES quota request");
}
}
}
public async Task InitializeAsync(
CancellationToken ct)
{
amazonSES = new AmazonSimpleEmailServiceClient(
options.AwsAccessKeyId,
options.AwsSecretAccessKey,
RegionEndpoint.GetBySystemName(options.Region));
await amazonSES.GetSendQuotaAsync(ct);
}
