private enumErrorCode SendScheduleHandler(int machineId, byte[] buff, int userId, string infoType)
{
string strUserKey = string.Format("{0}-{1}", userId, DateTime.Now.ToString("yyyyMMddHHmmssFFF"));
client.EnqueueItemOnList(PAGE_SEND_CONTENT, strUserKey);
client.Set <int>(PRE_DOWN_INFO_MACHINE + strUserKey, machineId);
client.Set(PRE_DOWN_INFO + strUserKey, buff);
client.Set <string>(infoType + machineId.ToString(), strUserKey);
enumErrorCode result = App_Start.TcpProtocolClient.WaittingSendForResp(strUserKey);
client.Remove(PRE_DOWN_INFO_MACHINE + strUserKey);
client.Remove(PRE_DOWN_INFO + strUserKey);
client.Remove(infoType + machineId.ToString());
return(result);
}