提供不间断运行环境变量

cmd/cmd.go

@@ -236,6 +236,15 @@ func Excute() {
 		conf.AsyncPrinter = nil
 	}
 
+	if util.Uninterrupted != "" || *rawPrint {
+		for {
+			_, err := trace.Traceroute(m, conf)
+			if err != nil {
+				fmt.Println(err)
+			}
+		}
+	}
+
 	res, err := trace.Traceroute(m, conf)
 
 	if err != nil {

ipgeo/leo.go

@@ -58,7 +58,7 @@ func receiveParse() {
 		m := make(map[string][]string)
 		err := json.Unmarshal([]byte(res.Get("router").String()), &m)
 		if err != nil {
-			return
+			// 此处是正常的，因为有些IP没有路由信息
 		}
 
 		lat, _ := strconv.ParseFloat(res.Get("lat").String(), 32)

util/latency.go

@@ -14,8 +14,12 @@ var (
 	result  string
 	results = make(chan string)
 )
+var FastIpCache = ""
 
 func GetFastIP(domain string, port string, enableOutput bool) string {
+	if FastIpCache != "" {
+		return FastIpCache
+	}
 
 	ips, err := net.LookupIP(domain)
 	if err != nil {
@@ -44,7 +48,7 @@ func GetFastIP(domain string, port string, enableOutput bool) string {
 			)
 		}
 	}
-
+	FastIpCache = res[0]
 	return res[0]
 }
 

util/util.go

@@ -13,6 +13,7 @@ import (
 	"github.com/fatih/color"
 )
 
+var Uninterrupted = GetenvDefault("NEXTTRACE_UNINTERRUPTED", "")
 var EnvToken = GetenvDefault("NEXTTRACE_TOKEN", "")
 var UserAgent = fmt.Sprintf("NextTrace %s/%s/%s", config.Version, runtime.GOOS, runtime.GOARCH)