Created
August 28, 2025 09:32
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断流检查
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| #!/bin/bash | |
| # 检查参数是否为空 | |
| if [ $# -eq 0 ]; then | |
| echo "用法: $0 <目标地址>" | |
| echo "示例: $0 8.8.8.8" | |
| echo " $0 www.example.com" | |
| echo "功能: 持续ping指定目标，按Ctrl+C显示统计结果" | |
| exit 1 | |
| fi | |
| TARGET=$1 | |
| # 初始化计数器 | |
| total_packets=0 | |
| timeout_packets=0 | |
| # 定义中断处理函数 | |
| cleanup() { | |
| echo -e "\n===== 测试结果 =====" | |
| echo "目标地址: $TARGET" | |
| echo "累计请求次数: $total_packets" | |
| echo "超时次数: $timeout_packets" | |
| # 计算错误比例 | |
| if [ $total_packets -gt 0 ]; then | |
| error_rate=$(echo "scale=2; $timeout_packets / $total_packets * 100" | bc) | |
| echo "错误比例: $error_rate%" | |
| else | |
| echo "错误比例: 0%" | |
| fi | |
| exit 0 | |
| } | |
| # 捕获SIGINT信号(ctrl+c) | |
| trap cleanup SIGINT | |
| # 提示信息 | |
| echo "开始网络断流测试，按Ctrl+C结束..." | |
| echo "目标地址: $TARGET" | |
| echo "----------------------------------------" | |
| # 持续ping测试 | |
| while true; do | |
| # 发送一个ping包，超时时间为2秒 | |
| ping -c 1 -W 2 $TARGET > /dev/null 2>&1 | |
| # 检查ping命令的退出状态 | |
| if [ $? -ne 0 ]; then | |
| echo "$(date '+%Y-%m-%d %H:%M:%S') - 超时" | |
| ((timeout_packets++)) | |
| else | |
| echo "$(date '+%Y-%m-%d %H:%M:%S') - 正常" | |
| fi | |
| ((total_packets++)) | |
| # 每秒钟发送一个ping包 | |
| sleep 1 | |
| done |
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