Files
NTrace-core/printer/printer.go
T
tsosunchia b663e69343 improve: 在本地对部分IP做了过滤
IANA Reserved Address Space
2023-01-24 01:37:29 +08:00

111 lines
2.3 KiB
Go

package printer
import (
"fmt"
"strings"
"github.com/xgadget-lab/nexttrace/trace"
"github.com/xgadget-lab/nexttrace/ipgeo"
)
// var dataOrigin string
// func TraceroutePrinter(res *trace.Result) {
// for i, hop := range res.Hops {
// fmt.Print(i + 1)
// for _, h := range hop {
// HopPrinter(h)
// }
// }
// }
const (
RED_PREFIX = "\033[1;31m"
GREEN_PREFIX = "\033[1;32m"
YELLOW_PREFIX = "\033[1;33m"
BLUE_PREFIX = "\033[1;34m"
CYAN_PREFIX = "\033[1;36m"
RESET_PREFIX = "\033[0m"
)
func HopPrinter(h trace.Hop, info HopInfo) {
if h.Address == nil {
fmt.Println("\t*")
} else {
txt := "\t"
if h.Hostname == "" {
txt += fmt.Sprint(h.Address, " ", fmt.Sprintf("%.2f", h.RTT.Seconds()*1000), "ms")
} else {
txt += fmt.Sprint(h.Hostname, " (", h.Address, ") ", fmt.Sprintf("%.2f", h.RTT.Seconds()*1000), "ms")
}
if h.Geo != nil {
txt += " " + formatIpGeoData(h.Address.String(), h.Geo)
}
switch info {
case IXP:
fmt.Print(CYAN_PREFIX)
case PoP:
fmt.Print(CYAN_PREFIX)
case Peer:
fmt.Print(YELLOW_PREFIX)
case Aboard:
fmt.Print(GREEN_PREFIX)
}
fmt.Println(txt)
if info != General {
fmt.Print(RESET_PREFIX)
}
}
}
func formatIpGeoData(ip string, data *ipgeo.IPGeoData) string {
var res = make([]string, 0, 10)
if data.Asnumber == "" {
res = append(res, "*")
} else {
res = append(res, "AS"+data.Asnumber)
}
// TODO: 判断阿里云和腾讯云内网,数据不足,有待进一步完善
// TODO: 移动IDC判断到Hop.fetchIPData函数,减少API调用
//if strings.HasPrefix(ip, "9.") {
// res = append(res, "LAN Address")
//} else if strings.HasPrefix(ip, "11.") {
// res = append(res, "LAN Address")
//} else if data.Country == "" {
// res = append(res, "LAN Address")
if false {
} else {
// 有些IP的归属信息为空,这个时候将ISP的信息填入
if data.Owner == "" {
data.Owner = data.Isp
}
if data.Prov == "" && data.City == "" {
// anyCast或是骨干网数据不应该有国家信息
data.Owner = data.Owner + ", " + data.Owner
} else {
// 非骨干网正常填入IP的国家信息数据
res = append(res, data.Country)
}
if data.Prov != "" {
res = append(res, data.Prov)
}
if data.City != "" {
res = append(res, data.City)
}
if data.Owner != "" {
res = append(res, data.Owner)
}
}
return strings.Join(res, ", ")
}