public bool QueueSend(MailUnit unit)
{
lock (_lockObject)
{
if (_mailQueue.Count >= MaxMailQueueLength)
{
return(false);
}
else
{
_mailQueue.Enqueue(unit);
return(true);
}
}
}
private void Process()
{
while (_working)
{
try
{
lock (_lockObject)
{
if (_mailQueue.Count > 0)
{
MailUnit mailUnit = _mailQueue.Peek();
switch (mailUnit.SendState)
{
case MailUnit.State.Init:
mailUnit.AsyncSendMail();
break;
case MailUnit.State.Doing:
mailUnit.AsyncSendMailCheck();
break;
case MailUnit.State.Done:
_mailQueue.Dequeue();
mailUnit.Dispose(); //释放非托管资源，否则会导致附件文件被占用
break;
default:
_mailQueue.Dequeue();
IO.Logger.Write("MailUnit State Error : State - " + mailUnit.SendState.ToString());
break;
}
}
else
{
_working = false;
break;
}
}
}
catch (Exception ex)
{
IO.Logger.Write(ex.ToString());
}
System.Threading.Thread.Sleep(1000); //5秒
}
}