host

var DisplayFields = map[string]func(h *pb.Host) string{

	"ID": func(h *pb.Host) string {
		if h.Status != nil && h.Status.State == "up" {
			return color.HiGreenString(display.FormatSmallID(h.Id))
		}
		return display.FormatSmallID(h.Id)
	},
	"Hostnames": func(h *pb.Host) string {
		var hostnames []string
		for _, hn := range h.Hostnames {
			hostnames = append(hostnames, hn.Name)
		}
		return strings.Join(hostnames, "\n")
	},
	"OS Name": func(h *pb.Host) string {
		osName, _ := GetOperatingSystem(h)
		return osName
	},
	"OS Family": func(h *pb.Host) string {
		_, fam := GetOperatingSystem(h)
		return fam
	},
	"Addresses": func(h *pb.Host) string {
		var addresses []string
		for _, hn := range h.Addresses {
			addresses = append(addresses, hn.Addr)
		}
		return strings.Join(addresses, "\n")
	},
	"Status": func(h *pb.Host) string {
		if h.Status == nil {
			return ""
		}
		switch h.Status.State {
		case "up":
			return color.HiGreenString(h.Status.State)
		case "down":
			return color.HiRedString(h.Status.State)
		default:
			return h.Status.State
		}
	},
	"Hops": func(h *pb.Host) string {
		if h.Trace == nil {
			return ""
		}

		return fmt.Sprint(len(h.Trace.Hops))
	},
	"Extra Ports": func(h *pb.Host) string {
		ports := ""
		for _, port := range h.ExtraPorts {
			ports += printExtraPorts(port, 1)
		}

		return ports
	},
	"Arch": getProbableCPU,
	"MAC":  func(h *pb.Host) string { return h.MAC },
	"Purpose": func(h *pb.Host) string {
		if h.OS == nil {
			return ""
		}

		if h.Purpose != "" {
			return h.Purpose
		}

		times := map[string]int{}

		for _, m := range h.OS.Matches {
			for _, c := range m.Classes {
				if c.Type != "" {
					times[c.Type]++
				}
			}
		}

		var purposes []string
		for name, times := range times {
			typeStr := name + display.Dim + fmt.Sprintf("(%d)", times)
			purposes = append(purposes, typeStr)
		}

		return strings.Join(purposes, " | ")
	},

	"Route": func(h *pb.Host) string {
		if h.Trace == nil {
			return ""
		}

		routes := "\n" + display.Reset

		for i := len(h.Trace.Hops) - 1; i >= 0; i-- {
			hop := h.Trace.Hops[i]
			line := display.Dim + "  |_ "
			rtt := display.Dim + fmt.Sprintf("%*s", 6, hop.RTT) + display.Reset
			ipPad := fmt.Sprintf("%*s  ", 18, hop.IPAddr)
			line += rtt + ipPad + display.Bold + display.FgYellow + hop.Host + display.Reset
			routes += line + "\n"
		}

		return strings.TrimSuffix(routes, "\n")
	},
	"Scripts": func(h *pb.Host) string {
		return ""
	},
	"Sources": func(h *pb.Host) string {
		return provenance.Tools(h.GetSources())
	},
	"Virtual Host": func(h *pb.Host) string {
		return h.VirtualHost
	},
	"Comment": func(h *pb.Host) string {
		return h.Comment
	},
}