Cgw.MonitorManageAdapter.CgwMonitorManageAdapter.Connect C# (CSharp) Method

        public Cgw.SmcError.SmcErr Connect(string monitorPwd)
        {
            NLogEx.LoggerEx logEx = new NLogEx.LoggerEx(log);
            logEx.Info("Enter: CgwMonitorManageAdapter.Connect");
            Cgw.SmcError.SmcErr err = new Cgw.SmcError.SmcErr();
            try
            {
                if (serviceControl.MonitorServiceRun())
                {
                    logEx.Info("CgwMonitorManageAdapter.Connect Opened");
                    client = new MonitorManageServiceClient();
                    CgwMonitorManageServiceReference.SmcErr serviceErr = client.Connect(out monitorPwd);

                    sessionID = monitorPwd;
                    client.Close();
                    if (serviceErr.ErrNo != Cgw.SmcError.CgwError.ERR_MONITOR_MANAGE_SERVICE_SUCCESS)
                    {
                        logEx.Error("CgwMonitorManageAdapter.Connect failed. ErrNo = {0} ", serviceErr.ErrNo);
                        err = SetCgwErrNo(serviceErr);
                    }
                }
                else
                {
                    logEx.Info("CgwMonitorManageAdapter.Connect MonitorServiceStart");
                    err.SetErrorNo(Cgw.SmcError.CgwError.ERR_MONITOR_MANAGE_SERVICE_RESTARTING);
                    serviceControl.MonitorServiceStart();//自动重连监控服务

                }
            }
            catch (System.Exception ex)
            {
                err.SetErrorNo(Cgw.SmcError.CgwError.ERR_MONITOR_MANAGE_SERVICE_RESTARTING);
                logEx.Error("CgwMonitorManageServiceReference.Connect failed. Exception is {0} ", ex.ToString());
            }
            return err;
        }