CgwMonitorManage.T28181.SipStackAdapter.GetDeviceList C# (CSharp) Method

        public void GetDeviceList(string serverSignalGateway, string deviceID)
        {
            NLogEx.LoggerEx logEx = new NLogEx.LoggerEx(log);
            logEx.Trace("Enter: SipStackAdapter.GetDeviceList deviceID = {0}.", deviceID);

            try
            {
                //设备总数清空
                if (deviceItemOperateLock.TryEnterWriteLock(CgwConst.ENTER_LOCK_WAIT_TIME))
                {
                    deviceNum = 0;
                    deviceList.Clear();
                }
            }
            finally
            {
                deviceItemOperateLock.ExitWriteLock();
            }

            try
            {
                //设备目录查询消息体
                string xmlstr = "<?xml version='1.0'?>" +
                    "<Query><CmdType>Catalog</CmdType><SN>" + iCateLogSN + "</SN><DeviceID>" + deviceID + "</DeviceID></Query>";

                iCateLogSN++;
                EM_SIP_RESULT iRet = SipSDKInterface.SIP_SDK_MESSAGE(serverSignalGateway, xmlstr);
                if (iRet != EM_SIP_RESULT.RET_SUCCESS)
                {
                    logEx.Error("SipStackAdapter.GetDeviceList Error = {0}.", Enum.GetName(typeof(EM_SIP_RESULT), iRet));
                    isRefreshSucess = false;
                }
                logEx.Trace("Leave: SipStackAdapter.GetDeviceList deviceID = {0}.", deviceID);
            }
            catch (System.Exception ex)
            {
                logEx.Error("SipStackAdapter.GetDeviceList Error = {0}.", ex.ToString());
                isRefreshSucess = false;
            }
        }