public void AddCommand(AtCmd cmd)
{
lock (cmd_table) {
// do nothing if cmd's timeout is earlier than DateTime.Now
if (cmd.Timeout < DateTime.Now)
return;
// insert at first if cmd's timeout is the earliest
else if (cmd.Timeout < cmd_table.First().Timeout)
cmd_table.Insert(0, cmd);
// insert behind the one whose timeout is earlier than cmd's
else {
for (int i = cmd_table.Count - 1; i >= 0; i--) {
if (cmd_table[i].Timeout <= cmd.Timeout) {
cmd_table.Insert(i + 1, cmd);
break;
}
}
}
}
}
public void DelCommand(AtCmd cmd)
{
lock (cmd_table) {
cmd_table.Remove(cmd);
}
}