update: 优化逻辑，废弃 realtime 参数

This reverts commit 126115c04e.

README.md

@@ -78,15 +78,15 @@ nexttrace -rdns www.bbix.net
 # Route-Path图示例：
 # AS6453 塔塔通信「Singapore『Singapore』」
 #  ╭╯
-# ╰AS9299 Philippine Long Distance Telephone Co.「Philippines『Metro Manila』」
-# ╭╯
-# ╰AS36776 Five9 Inc.「Philippines『Metro Manila』」
-# ╭╯
-# ╰AS37963 阿里云「ALIDNS.COM『ALIDNS.COM』」
+#  ╰AS9299 Philippine Long Distance Telephone Co.「Philippines『Metro Manila』」
+#  ╭╯
+#  ╰AS36776 Five9 Inc.「Philippines『Metro Manila』」
+#  ╭╯
+#  ╰AS37963 阿里云「ALIDNS.COM『ALIDNS.COM』」
 nexttrace -report www.time.com.my
 ```
 
-`NextTrace`支持用户自主选择 IP 数据库（目前支持：`LeoMoeAPI`, `IP.SB`, `IPInfo`, `IPInsight`）
+`NextTrace`支持用户自主选择 IP 数据库（目前支持：`LeoMoeAPI`, `IP.SB`, `IPInfo`, `IPInsight`, `IPAPI.com`）
 
 ```bash
 # 可以自行指定IP数据库[此处为IP.SB]，不指定则默认为LeoMoeAPI
@@ -94,6 +94,7 @@ nexttrace -d IP.SB
 ## 特别的：其中 ipinfo API 需要从ipinfo自行购买服务，如有需要可以clone本项目添加其提供的token自行编译
 ##        TOKEN填写路径：ipgeo/tokens.go
 ## 另外：由于IP.SB被滥用比较严重，会经常出现无法查询的问题，请知悉。
+##      IPAPI.com限制调用较为严格，如有查询不到的情况，请几分钟后再试。
 ```
 
 `NextTrace`支持参数混合使用
@@ -122,7 +123,7 @@ Options:
   -U    Use UDP Package for tracerouting (default port is 53 in UDP)
   -V    Check Version
   -d string
-        Choose IP Geograph Data Provider [LeoMoeAPI, IP.SB, IPInfo, IPInsight] (default "LeoMoeAPI")
+        Choose IP Geograph Data Provider [LeoMoeAPI, IP.SB, IPInfo, IPInsight, IPAPI.com] (default "LeoMoeAPI")
   -m int
         Set the max number of hops (max TTL to be reached). (default 30)
   -p int

ipgeo/ipapicom.go

@@ -0,0 +1,43 @@
+package ipgeo
+
+import (
+	"errors"
+	"io/ioutil"
+	"log"
+	"net/http"
+	"regexp"
+	"time"
+
+	"github.com/tidwall/gjson"
+)
+
+func IPApiCom(ip string) (*IPGeoData, error) {
+	url := "http://ip-api.com/json/" + ip + "?fields=status,message,country,regionName,city,isp,as"
+	client := &http.Client{
+		// 2 秒超时
+		Timeout: 2 * time.Second,
+	}
+	req, _ := http.NewRequest("GET", url, nil)
+	req.Header.Set("User-Agent", "Mozilla/5.0 (X11; Linux x86_64; rv:100.0) Gecko/20100101 Firefox/100.0")
+	content, err := client.Do(req)
+	if err != nil {
+		log.Println("ip-api.com 请求超时(2s)，请切换其他API使用")
+		return nil, err
+	}
+	body, _ := ioutil.ReadAll(content.Body)
+	res := gjson.ParseBytes(body)
+
+	if res.Get("status").String() != "success" {
+		return &IPGeoData{}, errors.New("超过API阈值")
+	}
+
+	re := regexp.MustCompile("[0-9]+")
+
+	return &IPGeoData{
+		Asnumber: re.FindString(res.Get("as").String()),
+		Country:  res.Get("country").String(),
+		City:     res.Get("city").String(),
+		Prov:     res.Get("regionName").String(),
+		Isp:      res.Get("isp").String(),
+	}, nil
+}

ipgeo/ipgeo.go

@@ -24,6 +24,8 @@ func GetSource(s string) Source {
 		return IPSB
 	case "IPINSIGHT":
 		return IPInSight
+	case "IPAPI.COM":
+		return IPApiCom
 	default:
 		return nil
 	}

ipgeo/ipgeo_test.go

@@ -41,3 +41,12 @@ func TestIPInSight(t *testing.T) {
 	// 这个库有时候不提供城市信息，返回值为""
 	//assert.NotEmpty(t, res.City)
 }
+
+func TestIPApiCom(t *testing.T) {
+	res, err := IPApiCom("1.1.1.1")
+	assert.Nil(t, err)
+	assert.NotNil(t, res)
+	assert.NotEmpty(t, res.Country)
+	assert.NotEmpty(t, res.City)
+	assert.NotEmpty(t, res.Prov)
+}

main.go

@@ -22,15 +22,14 @@ var port = flag.Int("p", 80, "Set SYN Traceroute Port")
 var numMeasurements = fSet.Int("q", 3, "Set the number of probes per each hop.")
 var parallelRequests = fSet.Int("r", 18, "Set ParallelRequests number. It should be 1 when there is a multi-routing.")
 var maxHops = fSet.Int("m", 30, "Set the max number of hops (max TTL to be reached).")
-var dataOrigin = fSet.String("d", "LeoMoeAPI", "Choose IP Geograph Data Provider [LeoMoeAPI, IP.SB, IPInfo, IPInsight]")
+var dataOrigin = fSet.String("d", "LeoMoeAPI", "Choose IP Geograph Data Provider [LeoMoeAPI, IP.SB, IPInfo, IPInsight, IPAPI.com]")
 var rdnsenable = fSet.Bool("rdns", false, "Set whether rDNS will be display")
 var routePath = fSet.Bool("report", false, "Route Path")
-var realtimePrint = fSet.Bool("realtime", false, "Output trace results in runtime")
 var tablePrint = fSet.Bool("table", false, "Output trace results as table")
 var ver = fSet.Bool("V", false, "Check Version")
 
 func printArgHelp() {
-	fmt.Println("\nArgs Error\nUsage : 'nexttrace [option...] <hostname>' or 'nexttrace <hostname> [option...]'\nOPTIONS: [-VTU] [-d DATAORIGIN.STR ] [ -m TTL ] [ -p PORT ] [ -q PROBES.COUNT ] [ -r PARALLELREQUESTS.COUNT ] [-rdns] [ -realtime | -table ] -report")
+	fmt.Println("\nArgs Error\nUsage : 'nexttrace [option...] HOSTNAME' or 'nexttrace HOSTNAME [option...]'\nOPTIONS: [-VTU] [-d DATAORIGIN.STR ] [ -m TTL ] [ -p PORT ] [ -q PROBES.COUNT ] [ -r PARALLELREQUESTS.COUNT ] [-rdns] [ -realtime | -table ] -report")
 	fSet.PrintDefaults()
 	os.Exit(2)
 }
@@ -105,25 +104,14 @@ func main() {
 		log.Fatalln(err)
 	}
 
+	if (*tcpSYNFlag && *udpPackageFlag) || *tablePrint {
+		printer.TracerouteTablePrinter(res)
+	} else if *tcpSYNFlag || *udpPackageFlag {
+		printer.TraceroutePrinter(res)
+	}
+
 	if *routePath {
-		// 如果为TCP SYN，也打印路由跟踪结果
-		if *tcpSYNFlag {
-			printer.TracerouteTablePrinter(res)
-		}
 		r := reporter.New(res, ip.String())
 		r.Print()
-		return
-	}
-
-	if m == trace.ICMPTrace && *tablePrint {
-		printer.TracerouteTablePrinter(res)
-	}
-
-	if m == trace.TCPTrace || m == trace.UDPTrace {
-		if *realtimePrint {
-			printer.TraceroutePrinter(res)
-		} else {
-			printer.TracerouteTablePrinter(res)
-		}
 	}
 }

nt_install.sh

@@ -9,63 +9,27 @@ fi
 
 usrPath="/usr/local/bin"
 
-function red(){
-    echo -e "\e[1;31m$1\e[0m"
+function red() {
+    echo -e "\033[31m"${1}"\033[0m"
 }
 
 checkRootPermit() {
     [[ $EUID -ne 0 ]] && red "请使用sudo/root权限运行本脚本" && exit 1
 }
-ask_if()
-{
-    local choice=""
-    while [ "$choice" != "y" ] && [ "$choice" != "n" ]
-    do
-        red $1
-        read choice
-    done
-    [ $choice == y ] && return 0
-    return 1
-}
-#检查脚本更新
-check_script_update()
-{
-    [ "$(md5sum "${BASH_SOURCE[0]}" | awk '{print $1}')" == "$(md5sum <(curl -sL "https://github.com/xgadget-lab/nexttrace/raw/main/nt_install.sh") | awk '{print $1}')" ] && return 1 || return 0
-}
-#更新脚本
-update_script()
-{
-    if curl -sL -o "${BASH_SOURCE[0]}" "https://github.com/xgadget-lab/nexttrace/raw/main/nt_install.sh" || curl -sL -o "${BASH_SOURCE[0]}" "https://github.com/xgadget-lab/nexttrace/raw/main/nt_install.sh"; then
-        red "脚本更新完成，正在重启脚本..."
-        exec bash ${BASH_SOURCE[0]} --auto
-    else
-        red "更新脚本失败！"
-        exit 1
-    fi
-}
-ask_update_script()
-{
-    if check_script_update; then
-        red "脚本可升级"
-        [[ $auto == True ]] && update_script
-        ask_if "是否升级脚本？(y/n)" && update_script
-    else
-        red "脚本已经是最新版本"
-    fi
-}
+
 checkSystemArch() {
     arch=$(uname -m)
     case $arch in
-      'x86_64')
+    'x86_64')
         archParam='amd64'
         ;;
-      'mips')
+    'mips')
         archParam='mips'
         ;;
-      'arm64'|'aarch64')
+    'arm64' | 'aarch64')
         archParam="arm64"
         ;;
-      *)
+    *)
         red "未知的系统架构，请联系开发者."
         exit 1
         ;;
@@ -89,6 +53,43 @@ checkSystemDistribution() {
     esac
 }
 
+ask_if() {
+    local choice=""
+    red $1
+    read choice
+    [[ $choice == y ]] && return 0 || return 1
+}
+
+#检查脚本更新
+check_script_update() {
+    if [[ ${osDistribution} == "darwin" ]]; then
+        [ "$(cat "${BASH_SOURCE[0]}" | md5)" == "$(curl -sL "https://github.com/xgadget-lab/nexttrace/raw/main/nt_install.sh" | md5)" ] && return 1 || return 0
+    else
+        [ "$(md5sum "${BASH_SOURCE[0]}" | awk '{print $1}')" == "$(md5sum <(curl -sL "https://github.com/xgadget-lab/nexttrace/raw/main/nt_install.sh") | awk '{print $1}')" ] && return 1 || return 0
+    fi
+}
+
+#更新脚本
+update_script() {
+    if curl -sL -o "${BASH_SOURCE[0]}" "https://github.com/xgadget-lab/nexttrace/raw/main/nt_install.sh" || curl -sL -o "${BASH_SOURCE[0]}" "https://github.com/xgadget-lab/nexttrace/raw/main/nt_install.sh"; then
+        red "脚本更新完成，正在重启脚本..."
+        exec bash ${BASH_SOURCE[0]} --auto
+    else
+        red "更新脚本失败！"
+        exit 1
+    fi
+}
+
+ask_update_script() {
+    if check_script_update; then
+        red "脚本可升级"
+        [[ $auto == True ]] && update_script
+        ask_if "是否升级脚本？(n/y)：[n]" && update_script
+    else
+        red "脚本已经是最新版本"
+    fi
+}
+
 getLocation() {
     red "正在获取地理位置信息..."
     countryCode=$(curl -s "http://ip-api.com/line/?fields=countryCode")
@@ -96,43 +97,44 @@ getLocation() {
 
 checkPackageManger() {
     if [[ "$(which brew)" ]]; then #务必将brew置于第一位,macOS的apt是假的
-    brew update
-      PACKAGE_MANAGEMENT_INSTALL='brew install'
-      PACKAGE_MANAGEMENT_REMOVE='brew uninstall'
+        # brew update
+        PACKAGE_MANAGEMENT_INSTALL='brew install'
+        PACKAGE_MANAGEMENT_REMOVE='brew uninstall'
     elif [[ "$(which apt)" ]]; then
-       apt-get update
-      PACKAGE_MANAGEMENT_INSTALL='apt-get -y --no-install-recommends install'
-      PACKAGE_MANAGEMENT_REMOVE='apt-get purge'
+        apt-get update
+        PACKAGE_MANAGEMENT_INSTALL='apt-get -y --no-install-recommends install'
+        PACKAGE_MANAGEMENT_REMOVE='apt-get purge'
     elif [[ "$(which dnf)" ]]; then
-    dnf check-update
-      PACKAGE_MANAGEMENT_INSTALL='dnf -y install'
-      PACKAGE_MANAGEMENT_REMOVE='dnf remove'
+        dnf check-update
+        PACKAGE_MANAGEMENT_INSTALL='dnf -y install'
+        PACKAGE_MANAGEMENT_REMOVE='dnf remove'
     elif [[ "$(which yum)" ]]; then
-      PACKAGE_MANAGEMENT_INSTALL='yum -y install'
-      PACKAGE_MANAGEMENT_REMOVE='yum remove'
+        PACKAGE_MANAGEMENT_INSTALL='yum -y install'
+        PACKAGE_MANAGEMENT_REMOVE='yum remove'
     elif [[ "$(which zypper)" ]]; then
-    zypper refresh
-      PACKAGE_MANAGEMENT_INSTALL='zypper install -y --no-recommends'
-      PACKAGE_MANAGEMENT_REMOVE='zypper remove'
+        zypper refresh
+        PACKAGE_MANAGEMENT_INSTALL='zypper install -y --no-recommends'
+        PACKAGE_MANAGEMENT_REMOVE='zypper remove'
     elif [[ "$(which pacman)" ]]; then
-      PACKAGE_MANAGEMENT_INSTALL='pacman -Syu --noconfirm'
-      PACKAGE_MANAGEMENT_REMOVE='pacman -Rsn'
+        PACKAGE_MANAGEMENT_INSTALL='pacman -Syu --noconfirm'
+        PACKAGE_MANAGEMENT_REMOVE='pacman -Rsn'
     else
-      red "error: The script does not support the package manager in this operating system."
-      exit 1
+        red "error: The script does not support the package manager in this operating system."
+        exit 1
     fi
 }
 
 install_software() {
-  package_name="$1"
-  which "$package_name" > /dev/null 2>&1 && return
-  red "${package_name} 正在安装中...(此步骤时间可能较长，请耐心等待)"
-  if ${PACKAGE_MANAGEMENT_INSTALL} "$package_name"; then
-    red "info: $package_name is installed."
-  else
-    red "error: Installation of $package_name failed, please check your network."
-    exit 1
-  fi
+    package_name="$1"
+    which "$package_name" >/dev/null 2>&1 && return
+    [[ ${osDistribution} == "darwin" ]] && echo -e "由于macOS brew的权限限制，请以非root权限执行下面一行提示的命令后再次运行本脚本(注意不要在该命令加sudo!):\nbrew update && ${PACKAGE_MANAGEMENT_INSTALL} $package_name " && exit 0
+    red "${package_name} 正在安装中...(此步骤时间可能较长，请耐心等待)"
+    if ${PACKAGE_MANAGEMENT_INSTALL} "$package_name"; then
+        red "info: $package_name is installed."
+    else
+        red "error: Installation of $package_name failed, please check your network."
+        exit 1
+    fi
 }
 
 checkVersion() {
@@ -146,7 +148,7 @@ checkVersion() {
         red "获取版本失败，请检查网络连接"
         exit 1
     fi
-    currentVersion=$(nexttrace -V | head -n 1 | awk '{print $2}') &> /dev/null
+    currentVersion=$(nexttrace -V | head -n 1 | awk '{print $2}') &>/dev/null
     if [[ $currentVersion == $version ]]; then
         red "当前版本已是最新版本"
         exit 0
@@ -156,7 +158,7 @@ checkVersion() {
     if [[ $auto == True ]]; then
         return 0
     fi
-    read -r -p "是否更新软件? (y/n)" input
+    read -r -p "是否更新软件? (n/y)：[n]" input
     case $input in
     [yY][eE][sS] | [yY])
         return 0
@@ -174,14 +176,14 @@ checkVersion() {
 downloadBinrayFile() {
     red "正在获取最新版的 NextTrace 发行版文件信息..."
     # 简单说明一下，Github提供了一个API，可以获取最新发行版本的二进制文件下载地址（对应的是browser_download_url），根据刚刚测得的osDistribution、archParam，获取对应的下载地址
-        # red nexttrace_${osDistribution}_${archParam}
-        latestURL=$(curl -s https://api.github.com/repos/xgadget-lab/nexttrace/releases/latest | jq ".assets[] | select(.name == \"nexttrace_${osDistribution}_${archParam}\") | .browser_download_url")
-        latestURL=${latestURL:1:-1}
+    # red nexttrace_${osDistribution}_${archParam}
+    latestURL=$(curl -s https://api.github.com/repos/xgadget-lab/nexttrace/releases/latest | jq ".assets[] | select(.name == \"nexttrace_${osDistribution}_${archParam}\") | .browser_download_url")
+    latestURL=${latestURL:1:$((${#latestURL} - 1 - 1))}
     if [ "$countryCode" == "CN" ]; then
         if [[ $auto == True ]]; then
             latestURL="https://ghproxy.com/"$latestURL
         else
-            read -r -p "检测到国内网络环境，是否使用镜像下载以加速(y/n)" input
+            read -r -p "检测到国内网络环境，是否使用镜像下载以加速(n/y)[y]" input
             case $input in
             [yY][eE][sS] | [yY])
                 latestURL="https://ghproxy.com/"$latestURL
@@ -223,7 +225,7 @@ runBinrayFileHelp() {
 }
 
 addCronTask() {
-    read -r -p "是否添加自动更新任务？(y/n)" input
+    read -r -p "是否添加自动更新任务？(n/y)：[n]" input
     case $input in
     [yY][eE][sS] | [yY])
         if [[ ${osDistribution} == "darwin" ]]; then
@@ -251,9 +253,9 @@ addCronTask() {
 
 # Check Procedure
 checkRootPermit
-ask_update_script
 checkSystemDistribution
 checkSystemArch
+ask_update_script
 checkPackageManger
 install_software wget
 install_software jq

printer/realtime_printer.go

@@ -7,7 +7,7 @@ import (
 )
 
 func RealtimePrinter(res *trace.Result, ttl int) {
-	fmt.Print(ttl)
+	fmt.Print(ttl + 1)
 	for i := range res.Hops[ttl] {
 		HopPrinter(res.Hops[ttl][i])
 	}

quicklytest.sh

@@ -19,31 +19,50 @@ ${Font_suffix}"
 check_root() {
     [[ "$(id -u)" != "0" ]] && echo -e "${Error} must be root user !" && exit 1
 }
+
 checkNexttrace() {
     echo -e "${Info} 正在检查Nexttrace..."
     if curl -sL -O "https://github.com/xgadget-lab/nexttrace/raw/main/nt_install.sh" || curl -sL -O "https://github.com/xgadget-lab/nexttrace/raw/main/nt_install.sh"; then
-    bash nt_install.sh --auto > /dev/null
+        bash nt_install.sh --auto >/dev/null
     fi
-} 
-ask_if()
-{
+}
+
+ask_if() {
     local choice=""
-    while [ "$choice" != "y" ] && [ "$choice" != "n" ]
-    do
-        echo -e "${Info} $1"
-        read choice
-    done
-    [ $choice == y ] && return 0
+    echo -e "${Info} $1"
+    read choice
+    [[ $choice == y ]] && return 0
     return 1
 }
-#检查脚本更新
-check_script_update()
-{
-    [ "$(md5sum "${BASH_SOURCE[0]}" | awk '{print $1}')" == "$(md5sum <(curl -sL "https://github.com/xgadget-lab/nexttrace/raw/main/quicklytest.sh") | awk '{print $1}')" ] && return 1 || return 0
+
+checkSystemDistribution() {
+    case "$OSTYPE" in
+    darwin*)
+        osDistribution="darwin"
+        downPath="/var/tmp/nexttrace"
+        ;;
+    linux*)
+        osDistribution="linux"
+        downPath="/var/tmp/nexttrace"
+        ;;
+    *)
+        red "unknown: $OSTYPE"
+        exit 1
+        ;;
+    esac
 }
+
+#检查脚本更新
+check_script_update() {
+    if [[ ${osDistribution} == "darwin" ]]; then
+        [ "$(cat "${BASH_SOURCE[0]}" | md5)" == "$(curl -sL "https://github.com/xgadget-lab/nexttrace/raw/main/nt_install.sh" | md5)" ] && return 1 || return 0
+    else
+        [ "$(md5sum "${BASH_SOURCE[0]}" | awk '{print $1}')" == "$(md5sum <(curl -sL "https://github.com/xgadget-lab/nexttrace/raw/main/nt_install.sh") | awk '{print $1}')" ] && return 1 || return 0
+    fi
+}
+
 #更新脚本
-update_script()
-{
+update_script() {
     if curl -sL -o "${BASH_SOURCE[0]}" "https://github.com/xgadget-lab/nexttrace/raw/main/quicklytest.sh" || curl -sL -o "${BASH_SOURCE[0]}" "https://github.com/xgadget-lab/nexttrace/raw/main/quicklytest.sh"; then
         echo -e "${Info} 脚本更新完成，正在重启脚本..."
         exec bash ${BASH_SOURCE[0]}
@@ -52,15 +71,16 @@ update_script()
         exit 1
     fi
 }
-ask_update_script()
-{
+
+ask_update_script() {
     if check_script_update; then
         echo -e "${Info} 脚本可升级"
-        ask_if "是否升级脚本？(y/n)" && update_script
+        ask_if "是否升级脚本？(n/y)[n]" && update_script
     else
         echo -e "${Info} 脚本已经是最新版本"
     fi
 }
+
 check_mode() {
     echo -e "${Info} Nexttrace目前支持以下三种协议发起Traceroute请求:\n1.ICMP\n2.TCP(速度最快,但部分节点不支持)\n3.UDP\n(IPv6暂只支持ICMP模式)" && read -p "输入数字以选择:" node
 
@@ -73,25 +93,23 @@ check_mode() {
     [[ "${node}" == "2" ]] && TRACECMD="nexttrace -T"
     [[ "${node}" == "3" ]] && TRACECMD="nexttrace -U"
 
-
-    echo -e "${Info} 结果是否制表?(制表模式为非实时显示)" 
-    if ask_if "输入y/n以选择模式:" ; then
-                TRACECMD=${TRACECMD}" -rdns -table"
-                ##Route-Path功能还未完善,临时替代:
-                [[ "${node}" == "2" ]] && TRACECMD=${TRACECMD}" -report"
-                ##
-    else        
-                TRACECMD=${TRACECMD}" -rdns -realtime"
-                ##Route-Path功能还未完善,临时替代:
-                [[ "${node}" == "1" ]] && TRACECMD=${TRACECMD}" -report"
-                ##
+    echo -e "${Info} 结果是否制表?(制表模式为非实时显示)"
+    if ask_if "输入n/y以选择模式:[n]"; then
+        TRACECMD=${TRACECMD}" -rdns -table"
+        ##Route-Path功能还未完善,临时替代:
+        [[ "${node}" == "2" ]] && TRACECMD=${TRACECMD}" -report"
+        ##
+    else
+        TRACECMD=${TRACECMD}" -rdns -realtime"
+        ##Route-Path功能还未完善,临时替代:
+        [[ "${node}" == "1" ]] && TRACECMD=${TRACECMD}" -report"
+        [[ "${node}" == "2" ]] && TRACECMD=${TRACECMD}" -report"
+        ##
     fi
-    
-    #echo -e "${Info} 是否输出Route-Path?" 
-    #ask_if "输入y/n以选择模式:" && TRACECMD=${TRACECMD}" -report"
-    
-    
-    
+
+    #echo -e "${Info} 是否输出Route-Path?"
+    #ask_if "输入n/y以选择模式:[n]" && TRACECMD=${TRACECMD}" -report"
+
 }
 
 test_single() {
@@ -107,12 +125,13 @@ test_single() {
 
     repeat_test_single
 }
+
 repeat_test_single() {
-    echo -e "${Info} 是否继续测试其他目标 ip ?" 
-    if ask_if "输入y/n以选择:" ; then
-                test_single
+    echo -e "${Info} 是否继续测试其他目标 ip ?"
+    if ask_if "输入n/y以选择:[n]"; then
+        test_single
     else
-                echo -e "${Info} 退出脚本 ..." && exit 0
+        echo -e "${Info} 退出脚本 ..." && exit 0
     fi
 }
 
@@ -121,6 +140,7 @@ test_alternative() {
     set_alternative
     result_alternative
 }
+
 select_alternative() {
     echo -e "${Info} 选择需要测速的目标网络: \n1.中国电信\n2.中国联通\n3.中国移动\n4.教育网"
     read -p "输入数字以选择:" ISP
@@ -130,12 +150,14 @@ select_alternative() {
         echo -e "${Info} 请重新选择" && read -p "输入数字以选择:" ISP
     done
 }
+
 set_alternative() {
     [[ "${ISP}" == "1" ]] && node_1
     [[ "${ISP}" == "2" ]] && node_2
     [[ "${ISP}" == "3" ]] && node_3
     [[ "${ISP}" == "4" ]] && node_4
 }
+
 node_1() {
     echo -e "1.上海电信(天翼云)\n2.厦门电信CN2\n3.北京电信\n4.江苏电信\n5.广东深圳电信\n6.广州电信(天翼云)\n7.浙江电信" && read -p "输入数字以选择:" node
 
@@ -152,6 +174,7 @@ node_1() {
     [[ "${node}" == "6" ]] && ISP_name="广州电信(天翼云)" && ip=14.215.116.1
     [[ "${node}" == "7" ]] && ISP_name="浙江电信" && ip=115.236.169.86
 }
+
 node_2() {
     echo -e "1.上海联通\n2.重庆联通\n3.北京联通\n4.安徽合肥联通\n5.江苏南京联通\n6.浙江杭州联通\n7.广东联通" && read -p "输入数字以选择:" node
 
@@ -168,6 +191,7 @@ node_2() {
     [[ "${node}" == "6" ]] && ISP_name="浙江联通" && ip=60.12.214.156
     [[ "${node}" == "7" ]] && ISP_name="广东联通" && ip=58.252.2.194
 }
+
 node_3() {
     echo -e "1.上海移动\n2.四川成都移动\n3.北京移动\n4.浙江杭州移动\n5.广东移动\n6.江苏移动\n7.浙江移动" && read -p "输入数字以选择:" node
 
@@ -184,9 +208,11 @@ node_3() {
     [[ "${node}" == "6" ]] && ISP_name="江苏移动" && ip=120.195.6.129
     [[ "${node}" == "7" ]] && ISP_name="浙江移动" && ip=183.246.69.139
 }
+
 node_4() {
     ISP_name="北京教育网" && ip=211.68.69.240
 }
+
 result_alternative() {
     echo -e "${Info} 测试路由 到 ${ISP_name} 中 ..."
     ${TRACECMD} ${ip} | grep -v -E 'NextTrace|XGadget-lab|Data\ Provider'
@@ -194,12 +220,13 @@ result_alternative() {
 
     repeat_test_alternative
 }
+
 repeat_test_alternative() {
-    echo -e "${Info} 是否继续测试其他节点?" 
-    if ask_if "输入y/n以选择:" ; then
-                test_alternative
+    echo -e "${Info} 是否继续测试其他节点?"
+    if ask_if "输入n/y以选择:[n]"; then
+        test_alternative
     else
-                echo -e "${Info} 退出脚本 ..." && exit 0
+        echo -e "${Info} 退出脚本 ..." && exit 0
     fi
 }
 
@@ -216,6 +243,7 @@ test_all() {
 
     echo -e "${Info} 四网路由快速测试 已完成 ！"
 }
+
 result_all() {
     ISP_name=$2
     echo -e "${Info} 测试路由 到 ${ISP_name} 中 ..."
@@ -224,6 +252,7 @@ result_all() {
 }
 
 check_root
+checkSystemDistribution
 ask_update_script
 checkNexttrace
 check_mode

reporter/reporter.go

@@ -130,7 +130,16 @@ func (r *reporter) InitialBaseData() Reporter {
 func (r *reporter) Print() {
 	var beforeActiveTTL uint16 = 0
 	r.InitialBaseData()
-	for i := uint16(1); i < r.targetTTL; i++ {
+	// 尝试首个有效 TTL
+	for i := uint16(0); i < r.targetTTL; i++ {
+		if len(r.routeReport[i]) != 0 {
+			beforeActiveTTL = i
+			// 找到以后便不再循环
+			break
+		}
+	}
+
+	for i := beforeActiveTTL; i < r.targetTTL; i++ {
 		// 计算该TTL内的数据长度，如果为0，则代表没有有效数据
 		if len(r.routeReport[i]) == 0 {
 			// 跳过改跃点的数据整理
@@ -138,7 +147,7 @@ func (r *reporter) Print() {
 		}
 		nodeReport := r.routeReport[i][0]
 
-		if i == 1 {
+		if i == beforeActiveTTL {
 			fmt.Printf("AS%s %s「%s『%s", nodeReport.asn, nodeReport.isp, nodeReport.geo[0], nodeReport.geo[1])
 		} else {
 			nodeReportBefore := r.routeReport[beforeActiveTTL][0]