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tcping 命令，centos本身就支持，可以通过yum install 安装，但是只能测试通跟不通，并没有显示延时，看到有脚本可以结合 tcptraceroute 实现延时

https://cloud.tencent.com/developer/article/2101992?from=15425  但是脚本 报错，估计是脚本里面的文字信息给错版了。




以下是修正后的脚本







#!/bin/sh

ver="v1.7"

format="%Y%m%d%H%M%S"

d="no"

c="no"

C="no"

ttl=255

seq=0

q=1

r=1

w=3

topts=""

target=""

usage () {

    name=$(basename "$0")

    echo "tcpping $ver Richard van den Berg"

    echo

    echo "Usage: $name [-d] [-c] [-C] [-w sec] [-q num] [-x count] ipaddress [port]"

    echo

    echo "  -d   print timestamp before every result"

    echo "  -c   print a columned result line"

    echo "  -C   print in the same format as fping's -C option"

    echo "  -w   wait time in seconds (defaults to 3)"

    echo "  -r   repeat every n seconds (defaults to 1)"

    echo "  -x   repeat n times (defaults to unlimited)"

    echo

    echo "See also: man tcptraceroute"

    echo

}

_checksite() {

    ttr=$(tcptraceroute -f "${ttl}" -m "${ttl}" -q "${q}" -w "${w}" "$@" 2>&1)

    if echo "${ttr}" | grep -Eiq "(bad destination|got roo)"; then

        echo "${ttr}"

        exit

    fi

}

_testsite() {

    myseq="${1}"

    shift

    nows=""

    nowd=""

    [ "${c}" = "yes" ] && nows=$(date +"${format}")

    [ "${d}" = "yes" ] && nowd=$(date)

    ttr=$(tcptraceroute -f "${ttl}" -m "${ttl}" -q "${q}" -w "${w}" "$@" 2>/dev/null)

    host=$(echo "${ttr}" | awk '{print $2 " " $3}')

    rtt=$(echo "${ttr}" | sed 's/.*] //' | awk '{print $1}')

    not=$(echo "${rtt}" | tr -d ".0123456789")

    [ "${d}" = "yes" ] && echo "$nowd"

    if [ "${c}" = "yes" ]; then

        if [ -n "${rtt}" ] && [ -z "${not}" ]; then

            echo "$myseq $nows $rtt $host"

        else

            echo "$myseq $nows $max $host"

        fi

    elif [ "${C}" = "yes" ]; then

        if [ "$myseq" = "0" ]; then

            echo -n "$1 :"

        fi

        if [ -n "${rtt}" ] && [ -z "${not}" ]; then

            echo -n " $rtt"

        else

            echo -n " -"

        fi

        [ "$x" = "1" ] && echo

    else

        echo "${ttr}" | sed -e "s/^.*.$/seq $myseq: no response (time out)/" -e "s/^$ttl /seq $myseq: tcp response from/"

    fi

    echo "${ttr}"

}

while getopts dhq:w:cr:nNFSAEi:f:l:m:p:s:x:C opt; do

    case "$opt" in

        d|c|C) eval $opt="yes" ;;

        q|w|r|x) eval $opt="$OPTARG" ;;

        n|N|F|S|A|E) topts="$topts -$opt" ;;

        i|l|p|s) topts="$topts -$opt $OPTARG" ;;

        f|m) ttl="$OPTARG" ;;

        ?) usage; exit ;;

    esac

done

shift $((OPTIND - 1))

# Check if IP address is provided

if [ -z "$1" ]; then

    echo "Error: IP address is required."

    usage

    exit 1

fi

# Store the target IP address and port

target="$1"

port="${2:-80}"  # Default port is 80 if not provided

# max 为默认超时时间的毫秒数

max=$(echo "${w} * 1000" | bc)

# Output some debug info

echo "Target: $target"

echo "Port: $port"

echo "Max wait time: ${max}ms"

# Call the _testsite function with the target and port

_testsite "$seq" "$target" "$port"






















tcpping命令，需要单独下载，http://www.vdberg.org/~richard/tcpping   并且需要搭载 yum install  tcptraceroute，否则显示就是空白







1、将rpm文件上传到tcping文件夹中

2、cd tcping目录，然后执行rpm -Uvh --force --nodeps *.rpm，部署依赖

4、给tcping文件授权  chmod +x tcping

5、执行命令后台运行tcping：./tcpping -d -r 3 ip port> test.txt &

备注：rpm包下载不了的，可以自己来这个网站下载：

https://centos.pkgs.org/7/centos-x86_64/traceroute-2.0.22-2.el7.x86_64.rpm.html

tcping文件下载地址：

https://soft.mengclaw.com/Bash/TCP-PING 

下载后，直接将TCP-PING重命名为tcping，然后授权可用

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