func uiShowNumaTopologyHelpMsg(ui *gui.DialogUi) {
	msg := "CPU Pinning Help\n"
	msg += "----------------\n\n"
	msg += "Example 1 : one to one pinning\n\n"
	msg += " _____________________________________\n"
	msg += "| VA vNUMA ID : 0_____________________|\n"
	msg += "| Host CPU(s) : 0_____________________|\n"
	msg += "|_____________________________________|\n\n"
	msg += " __________________ CPU/NUMA Topology ________________\n"
	msg += "|____________ VA ___________|_________ Host __________|\n"
	msg += "|____ vCPU ___|___ vNUMA ___|_________CPU(s) _________|\n"
	msg += "|______ 0 ____|_____ 0 _____|__________ 0 ____________|\n\n"
	msg += "VA CPU 0 will be pinned to the host CPU 0\n\n\n"
	msg += "Example 2 : pinning to a range of the host CPUs\n\n"
	msg += " _____________________________________\n"
	msg += "| VA vNUMA ID : 0_____________________|\n"
	msg += "| Host CPU(s) : 0-3___________________|\n"
	msg += "|_____________________________________|\n\n"
	msg += " __________________ CPU/NUMA Topology ________________\n"
	msg += "|____________ VA ___________|_________ Host __________|\n"
	msg += "|____ vCPU ___|___ vNUMA ___|_________CPU(s) _________|\n"
	msg += "|______ 0 ____|_____ 0 _____|__________ 0,1,2,3_______|\n\n"
	msg += "VA CPUs will be pinned to the host CPUs 0,1,2 and 3\n\n\n"
	msg += "Example 3 : pinning to a list of the host CPUs\n\n"
	msg += " _____________________________________\n"
	msg += "| VA vNUMA ID : 0_____________________|\n"
	msg += "| Host CPU(s) : 0,1,2,3,8_____________|\n"
	msg += "|_____________________________________|\n\n"
	msg += " __________________ CPU/NUMA Topology ________________\n"
	msg += "|____________ VA ___________|_________ Host __________|\n"
	msg += "|____ vCPU ___|___ vNUMA ___|_________CPU(s) _________|\n"
	msg += "|______ 0 ____|_____ 0 _____|_______ 0,1,2,3,8 _______|\n\n"
	msg += "VA CPUs will be pinned to the host CPUs 0,1,2,3 and 8\n\n"
	ui.Msgbox(msg)
}

// UiEulaMsg prints out appropriate EULA message
func UiEulaMsg(ui *gui.DialogUi, pathToEula string) {
	ui.SetOkLabel("Agree")
	ui.SetExtraLabel("Disagree")
	ui.SetTitle("End User License Agreement")
	ui.SetSize(30, 80)
	if err := ui.Textbox(pathToEula); err != nil {
		os.Exit(1)
	}
}

func uiDiskNotOK(ui *gui.DialogUi, selectedDiskInMb, minDiskInMb, maxDiskInMb int) bool {
	if selectedDiskInMb < minDiskInMb {
		ui.Output(gui.Warning, fmt.Sprintf("Minimum disk size requirement is %dGB.", minDiskInMb/1024), "Press <OK> to return to menu.")
		return true
	}
	if selectedDiskInMb > maxDiskInMb {
		ui.Output(gui.Warning, fmt.Sprintf("Maximum disk size requirement is %dGB.", maxDiskInMb/1024), "Press <OK> to return to menu.")
		return true
	}
	return false
}

func uiHeaderSelectNics(ui *gui.DialogUi) int {
	str := " ___________________________________________________________________________________________________________________________"
	width := len(str)
	str += "\n|____________________________________________________HOST__________________________________________________________|___VM___|"

	str += fmt.Sprintf("\n|________%s________|__%s__|_______________ %s _________________|__%s__|__%s__|", "Port Name", "PCI Address", "Network Interface Description", "NUMA", "Port")
	ui.SetLabel(str)
	ui.SetExtraLabel("Next")
	ui.SetOkLabel("Select")
	ui.HelpButton(true)
	ui.SetHelpLabel("Back")
	return width
}

func uiNUMATopologyHeader(ui *gui.DialogUi, c *guest.Config) string {
	ui.HelpButton(true)
	ui.SetHelpLabel("Back")
	ui.SetTitle("VA NUMA Configuration")
	ui.SetExtraLabel("Edit")

	var hdr string
	for _, n := range c.NUMAs {
		for _, nic := range n.NICs {
			if nic.HostNIC.Type == host.NicTypePhys || nic.HostNIC.Type == host.NicTypePhysVF {
				hdr += fmt.Sprintf("\nNUMA %d: %s", nic.HostNIC.NUMANode, nic.HostNIC.PCIAddr)
			}
		}
	}

	hdr += "\n"
	if hdr != "\n" {
		hdr = " \n---------------- PCI Devices Topology ---------------" + hdr
		hdr += "-----------------------------------------------------\n\n"
	}

	hdr += " __________________ CPU/NUMA Topology ________________\n"
	hdr += "|____________ VA ___________|_________ Host __________|\n"
	hdr += "|____ vCPU ___|___ vNUMA ___|_________CPU(s) _________|"
	return hdr
}

func UiGatherHWInfo(ui *gui.DialogUi, hidriver deployer.HostinfoDriver, remote bool) error {
	errCh := make(chan error)
	defer close(errCh)
	go func() {
		errCh <- hidriver.Init()
	}()

	var msg string
	if remote {
		msg = "Gathering harwdare information from remote host.\nPlease wait..."
	} else {
		msg = "Gathering hardware information from local host.\nPlease wait..."
	}
	return ui.Wait(msg, time.Second*2, 0, errCh)
}

func uiCpuNotOK(ui *gui.DialogUi, selectedCpus, installedCpus, minCpus, maxCpus int) bool {
	if selectedCpus < minCpus {
		ui.Output(gui.Warning, fmt.Sprintf("Minimum vCPUs requirement is %d.", minCpus), "Press <OK> to return to menu.")
		return true
	}
	if selectedCpus > maxCpus {
		ui.Output(gui.Warning, fmt.Sprintf("Amount of vCPUs exceeds maximum supported vCPUs(%d).", maxCpus), "Press <OK> to return to menu.")
		return true
	}
	if selectedCpus > installedCpus {
		if !UiVCPUsOvercommit(ui, installedCpus) {
			return true
		}
	}
	return false
}

func UiImagePath(ui *gui.DialogUi, defaultLocation string, remote bool) (string, error) {
	if remote {
		return ui.GetFromInput("Select directory on remote server to install the VA image on", defaultLocation, "Back", "")
	}

	var location string
	var err error

	for {
		location, err = ui.GetPathToDirFromInput("Select directory to install the VA image on", defaultLocation, "Back", "")
		if err != nil {
			return "", err
		}
		if _, err := os.Stat(location); err == nil {
			break
		}
	}
	return location, nil
}

func UiRemoteMode(ui *gui.DialogUi) (bool, error) {
	ui.SetTitle("Deployment Mode")
	ui.SetSize(9, 28)
	answer, err := ui.Menu(2, "1", "Local", "2", "Remote")
	if err != nil {
		return false, err
	}
	if answer == "1" {
		return false, nil
	}

	if _, err := exec.LookPath("sshfs"); err != nil {
		ui.Output(gui.Error, "sshfs utility is not installed")
	}
	return true, nil
}

func uiBundleConfig(ui *gui.DialogUi, configs []*Config, advancedConfig bool) (*Config, error) {
	var temp []string
	index := 0
	for _, c := range configs {
		index += 1
		temp = append(temp, strconv.Itoa(index),
			fmt.Sprintf("%-15s [ vCPU %-2d | RAM %-3dMB]", c.Name, c.CPUs, c.RAM))
	}

	advIndex := index + 1
	temp = append(temp, strconv.Itoa(advIndex), "Custom configuration")

	sliceLength := len(temp)
	var configNumStr string
	var err error
	for {
		ui.SetSize(sliceLength+6, 50)
		ui.SetLabel("Select Virtual Machine configuration")
		configNumStr, err = ui.Menu(sliceLength+6, temp[0:]...)
		if err != nil {
			return nil, err
		}
		if configNumStr != "" {
			break
		}
	}

	configNumInt, err := strconv.Atoi(configNumStr)
	if err != nil {
		return nil, utils.FormatError(err)
	}
	if configNumInt == advIndex {
		return nil, nil
	}
	return configs[configNumInt-1], nil
}

func uiRamNotOK(ui *gui.DialogUi, selectedRamInMb, installedRamMb, minRamInMb, maxRamInMb int) bool {
	if selectedRamInMb > installedRamMb {
		ui.Output(gui.Warning, "Required RAM exceeds host machine available memory.", "Press <OK> to return to menu.")
		return true
	}
	if selectedRamInMb < minRamInMb {
		ui.Output(gui.Warning, fmt.Sprintf("Minimum RAM requirement is %0.1fGB.", float64(minRamInMb)/1024), "Press <OK> to return to menu.")
		return true
	}
	if selectedRamInMb > maxRamInMb {
		ui.Output(gui.Warning, fmt.Sprintf("Maximum RAM requirement is %0.1fGB.", float64(maxRamInMb)/1024), "Press <OK> to return to menu.")
		return true
	}
	return false
}

func UiVCPUsOvercommit(ui *gui.DialogUi, installedCpus int) bool {
	ui.SetSize(8, 75)
	ui.SetTitle(gui.Warning)
	ui.SetLabel(fmt.Sprintf("\nThe host only has %d CPUs.Overcommitting vCPUs can reduce performance!\nWould you like to proceed?", installedCpus))
	return ui.Yesno()
}

func UiApplianceName(ui *gui.DialogUi, defaultName string, driver deployer.EnvDriver) (string, error) {
	var name string
	var err error

	for {
		ui.SetSize(8, len(defaultName)+10)
		ui.SetTitle("Virtual machine name")
		ui.HelpButton(true)
		ui.SetHelpLabel("Back")
		name, err = ui.Inputbox(defaultName)
		if err != nil {
			return "", err
		}
		if name != "" {
			name = strings.Replace(name, ".", "-", -1)
			if driver != nil {
				if driver.DomainExists(name) {
					ui.Output(gui.Warning, "domain "+name+" already exists.", "Press <OK> to return to menu.")
					continue
				}
			}
			break
		}
	}
	return name, nil
}

func UiNUMATopology(ui *gui.DialogUi, c *guest.Config, d deployer.EnvDriver, totalCpusOnHost int) (bool, error) {
	var list []string

	// file, err := os.Create("/tmp/UiNUMATopology.txt")
	// if err != nil {
	// 	return false, nil
	// }
	// defer file.Close()

	isChanged := false
	hCPUnotOnce := ""
	CheckIfCPUdoubleUsed := true

MainLoop:
	for {
		// file.WriteString("[UiNUMATopology] MainLoop: \n")
		list = make([]string, 0)
		tempData := make(map[int]map[int]string)
		// file.WriteString("[UiNUMATopology] totalCpusOnHost: " + strconv.Itoa(totalCpusOnHost) + " \n")
		for _, n := range c.NUMAs {
			// file.WriteString("[UiNUMATopology] c.NUMAs\n")
			// file.WriteString("[UiNUMATopology] len(n.CPUPin): " + strconv.Itoa(len(n.CPUPin)) + "\n")
			keys := make([]int, 0)
			for vcpu, _ := range n.CPUPin {
				keys = append(keys, vcpu)
				// file.WriteString("[UiNUMATopology] vcpu: " + strconv.Itoa(vcpu) + "\n")
			}

			sort.Ints(keys)
			var hostCpu string
			for _, k := range keys {
				if len(n.CPUPin[k]) > 1 {
					if len(n.CPUPin[k]) == totalCpusOnHost {
						CheckIfCPUdoubleUsed = false
						hostCpu = "0-" + strconv.Itoa(totalCpusOnHost-1)
					} else {
						var tmpStrSlice []string
						for _, c := range n.CPUPin[k] {
							tmpStrSlice = append(tmpStrSlice, strconv.Itoa(c))
						}
						hostCpu = strings.Join(tmpStrSlice, ",")
					}
				} else {
					hostCpu = strconv.Itoa(n.CPUPin[k][0])
				}
				// file.WriteString("[UiNUMATopology] hostCpu: " + hostCpu + "\n")
				tempData[k] = make(map[int]string)
				tempData[k][n.CellID] = hostCpu

				// file.WriteString("tempData[" + strconv.Itoa(k) + "][" + strconv.Itoa(n.CellID) + "] = " + hostCpu + "  \n")
			}
		}

		// we need to represent sorted vCPU IDs and not vNUMA IDs
		keys := make([]int, 0)
		for k, _ := range tempData {
			keys = append(keys, k)
		}

		duplicate_frequency := make(map[string]int)
		sort.Ints(keys)
		for _, key := range keys {
			for k, v := range tempData[key] {
				list = append(list, strconv.Itoa(key), fmt.Sprintf("%-10s%-18d%-7s", " ", k, v))
				temphCPU := v
				_, exist := duplicate_frequency[temphCPU]
				if exist {
					duplicate_frequency[temphCPU] += 1 // increase counter by 1 if already in the map
				} else {
					duplicate_frequency[temphCPU] = 1 // else start counting from 1
				}
				// file.WriteString("k: " + strconv.Itoa(k) + " v: " + v + "  \n")
			}
		}

		hCPUnotOnce = ""
		for k_dup, v_dup := range duplicate_frequency {
			if v_dup > 1 {
				hCPUnotOnce = k_dup
				break
			}
		}

		ui.SetLabel(uiNUMATopologyHeader(ui, c))
		result, err := ui.Menu(len(list), list[0:]...)
		// file.WriteString("[UiNUMATopology] result: " + result + " err: " + err.Error() + " len(list): " + strconv.Itoa(len(list)) + " \n")

		if err == nil {
			if hCPUnotOnce != "" && isChanged && CheckIfCPUdoubleUsed {
				ui.Output(gui.Warning, "CPU "+hCPUnotOnce+" is assigned to more than one vCPU")
				continue
			}
			break
		}
		if err.Error() != gui.DialogNext {
			// file.WriteString("[UiNUMATopology] err.Error() != gui.DialogNext " + err.Error() + " \n")
			return isChanged, err
		}

	InternalLoop:
//.........这里部分代码省略.........

func UiWarningOnOptimizationFailure(ui *gui.DialogUi, warningStr string) bool {
	ui.SetTitle(gui.Warning)
	ui.SetSize(10, 80)
	ui.SetLabel("Virtual machine configuration can not be optimized.\n" + warningStr + "\n\nDo you want to continue?")
	return ui.Yesno()
}

func UiDeploymentResult(ui *gui.DialogUi, msg string, err error) {
	if err != nil {
		ui.Output(gui.Error, err.Error())
	}
	ui.Output(gui.Success, msg)
}

func UiSshConfig(ui *gui.DialogUi) (*sshconf.Config, error) {
	cfg := new(sshconf.Config)
	cfg.Port = "22"
	cfg.User = "root"
	origlist := []string{"IP      : ", "1", "1", "", "1", "10", "22", "0", "0",
		"SSH Port: ", "2", "1", cfg.Port, "2", "10", "22", "0", "0",
		"Username: ", "3", "1", cfg.User, "3", "10", "22", "0", "0"}

MainLoop:
	for {
		ui.HelpButton(true)
		ui.SetHelpLabel("Back")
		reslist, err := ui.Mixedform("Remote session configuration", false, origlist[0:]...)
		if err != nil {
			return nil, err
		}
		if len(reslist) < 3 {
			continue
		}
		if net.ParseIP(reslist[0]) == nil {
			continue
		}
		cfg.Host = reslist[0]

		portDig, err := strconv.Atoi(reslist[1])
		if err != nil {
			return nil, utils.FormatError(err)
		}
		if portDig > 65535 {
			continue
		}

	AuthLoop:
		for {
			ui.SetTitle("Authentication method")
			ui.SetSize(9, 18)
			ui.HelpButton(true)
			ui.SetHelpLabel("Back")
			val, err := ui.Menu(2, "1", "Password", "2", "Private key")
			if err != nil {
				switch err.Error() {
				case gui.DialogMoveBack:
					continue MainLoop
				case gui.DialogExit:
					os.Exit(1)
				}
			}

			switch val {
			case "1":
				cfg.Password, err = ui.GetPasswordFromInput(cfg.Host, cfg.User, "Back", "", false)
			case "2":
				cfg.PrvtKeyFile, err = ui.GetPathToFileFromInput("Path to ssh private key file", "Back", "")
			}
			if err != nil {
				switch err.Error() {
				case gui.DialogMoveBack:
					continue AuthLoop
				case gui.DialogExit:
					os.Exit(1)
				}
			}
			break MainLoop
		}
	}

	run := utils.RunFunc(cfg)
	errCh := make(chan error)
	defer close(errCh)
	go func() {
		// verifying that user is able execute a command by using sudo
		_, err := run("uname")
		errCh <- err
	}()

	if err := ui.Wait("Trying to establish SSH connection to remote host.\nPlease wait...", time.Second*1, time.Second*5, errCh); err != nil {
		ui.Output(gui.Warning, "Unable to establish SSH connection.", "Press <OK> to return to menu.")
		goto MainLoop
	}
	return cfg, nil
}

func UiNetworks(ui *gui.DialogUi, data *xmlinput.XMLInputData, allowedNics host.NICList, gconf *guest.Config) error {
	guestPciSlotCounter := data.GuestNic.PCI.FirstSlot
	lastGuestPciSlotCounter := guestPciSlotCounter
	portCounter := 1
	lastPortCounter := portCounter
	i := 0

MainLoop:
	for i < len(data.Networks.Configs) {
		net := data.Networks.Configs[i]
	PolicyLoop:
		for {
			var modes []xmlinput.ConnectionMode

			if net.UiModeBinding == nil || len(net.UiModeBinding) == 0 {
				for _, mode := range net.Modes {
					modes = append(modes, mode.Type)
				}
			} else {
				var err error
				modes, err = uiNetworkPolicySelector(ui, net)
				if err != nil {
					switch err.Error() {
					case gui.DialogMoveBack:
						gconf.Networks = gconf.Networks[:i]
						gconf.NICLists = gconf.NICLists[:i]
						portCounter = lastPortCounter - 1
						guestPciSlotCounter = lastGuestPciSlotCounter - 1
						if i == 0 {
							return err
						}
						i--
						continue MainLoop
					case gui.DialogNext:
						i++
						continue MainLoop
					case gui.DialogExit:
						os.Exit(1)
					default:
						return err
					}

				}
			}

			retainedNics, err := host_hwfilter.NicsByType(allowedNics, modes)
			if err != nil {
				return utils.FormatError(err)
			}
			if len(retainedNics) == 0 {
				ui.Output(gui.Warning, "No interfaces have been found.", "Press <OK> to return to menu.")
				continue MainLoop
			}
			if net.UiResetCounter {
				portCounter = 1
			}
			list, err := uiNicSelectMenu(ui, data, &portCounter, &guestPciSlotCounter, retainedNics, net, i)
			if err != nil {
				switch err.Error() {
				case gui.DialogMoveBack:
					if i == 0 {
						return err
					}
					gconf.Networks = gconf.Networks[:i]
					gconf.NICLists = gconf.NICLists[:i]
					continue PolicyLoop
				case gui.DialogExit:
					os.Exit(1)
				}
			}

			gconf.Networks = append(gconf.Networks, net)
			gconf.NICLists = append(gconf.NICLists, list)
			lastPortCounter = portCounter
			lastGuestPciSlotCounter = guestPciSlotCounter
			i++
			break
		}
	}
	return nil
}

// UiValidateUser intended for validate the ID
// of the user executing deployer binary
func UiValidateUser(ui *gui.DialogUi, userId int) {
	if err := infrautils.ValidateUserID(userId); err != nil {
		ui.Output(gui.Error, err.Error())
	}
}

func UiNumaRamNotOK(ui *gui.DialogUi, driver deployer.HostinfoDriver, c *guest.Config, selectedRamInMb int) (bool, error) {
	// file, err := os.Create("/tmp/_setNUMATuneData.txt")
	// defer file.Close()

	numas, err := driver.NUMAInfo()
	if err != nil {
		return true, utils.FormatError(err)
	}
	NumaForCheck := make([]int, 0)
	// file.WriteString("uiNumaRamNotOK\n")
	for _, n := range c.NUMAs {
		// file.WriteString("c.NUMAs\n")
		for _, nic := range n.NICs {
			if nic.HostNIC.Type == host.NicTypePhys || nic.HostNIC.Type == host.NicTypePhysVF {
				isAdd := true
				for _, v := range NumaForCheck {
					if v == nic.HostNIC.NUMANode {
						isAdd = false
					}
				}
				if isAdd {
					NumaForCheck = append(NumaForCheck, nic.HostNIC.NUMANode)
					// file.WriteString("NumaForCheck: [" + strconv.Itoa(nic.HostNIC.NUMANode) + "]\n")
				}
			}
		}
	}
	// selectedRamInMb = 1
	var requiredMemory float64
	var freeRam float64
	numberOfNumas := len(NumaForCheck)
	if numberOfNumas < 1 {
		numberOfNumas = 1
	}
	requiredMemoryMB := selectedRamInMb / numberOfNumas
	requiredMemory = float64(selectedRamInMb / numberOfNumas)
	requiredMemoryStr := strconv.FormatFloat((requiredMemory / 1024), 'f', 1, 64)
	// file.WriteString("requiredMemoryStr: " + requiredMemoryStr + " selectedRamInMb:" + strconv.Itoa(selectedRamInMb) + " \n")
	for _, node := range numas {
		for _, CellID := range NumaForCheck {
			// file.WriteString("CellID: " + strconv.Itoa(CellID) + " node.CellID: " + strconv.Itoa(node.CellID) + "\n")
			if node.CellID != CellID {
				continue
			}
			numafreeRamMb := node.FreeRAM / 1024

			// file.WriteString("requiredMemoryMB: " + strconv.Itoa(requiredMemoryMB) + " node.FreeRAM:" + strconv.Itoa(numafreeRamMb) + " \n")
			// numafreeRamMb = 0
			if numafreeRamMb < requiredMemoryMB {
				freeRam = float64(node.FreeRAM / (1024 * 1024))
				freeRamStr := strconv.FormatFloat(freeRam, 'f', 1, 64)
				ui.SetTitle(gui.Warning)
				ui.SetSize(10, 80)
				ui.SetLabel("Virtual machine configuration can not be optimized.\n" + requiredMemoryStr + " GB RAM are required on NUMA " + strconv.Itoa(node.CellID) + " but just " + freeRamStr + "Gb are available\n\nDo you want to continue?")
				return ui.Yesno(), nil
			}
		}
	}

	return true, nil

}