internal PauseToken(PauseTokenSource source)
{
_source = source;
}
internal PauseToken(PauseTokenSource source)
{
_source = source;
}
public async Task SendBulkMailAsync(IEnumerable<MailMessage> emails)
{
_pauseTokenSource = new PauseTokenSource();
_cancellationTokenSource = new CancellationTokenSource();
var ct = _cancellationTokenSource.Token;
var mails = emails.ToArray();
var sentMail = 0;
var sendDelay = Task.Delay(1000, ct);
var sendComplete = 0;
foreach (var mail in mails)
{
await SendMailAsync(mail);
// Report finish after
OnSendBulkMailProgress(++sendComplete, mails.Length);
// Check send rate
sentMail++;
if (sentMail >= MaxSendRate)
{
await sendDelay;
sentMail = 0;
sendDelay = Task.Delay(1000, ct);
}
// Cancel
if (ct.IsCancellationRequested)
{
break;
}
// Pause
await _pauseTokenSource.Token.WaitWhilePausedAsync();
}
}