4566704
a4920a6a8e
- IP→MAC 查询(AutoRefresh 后台刷新/Search/Table), 新增依赖 mostlygeek/arp - 附测试、examples/arp 例程与包 README
41 lines
826 B
Go
41 lines
826 B
Go
//go:build !linux && !windows
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// +build !linux,!windows
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// only tested on OSX
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// decided to go with exec.Command after I couldn't figure
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// out how to extract the arp cache out of the kernel with
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// golang's syscall or Sysctl()
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//
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// ... Help appreciated :)
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package arp
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import (
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"os/exec"
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"strings"
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)
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// Table 通过 arp -an 命令读取 ARP 表（类 Unix 平台，仅在 OSX 测试过）
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func Table() ArpTable {
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data, err := exec.Command("arp", "-an").Output()
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if err != nil {
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return nil
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}
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var table = make(ArpTable)
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for _, line := range strings.Split(string(data), "\n") {
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fields := strings.Fields(line)
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if len(fields) < 3 {
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continue
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}
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// strip brackets around IP
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ip := strings.Replace(fields[1], "(", "", -1)
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ip = strings.Replace(ip, ")", "", -1)
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table[ip] = fields[3]
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}
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return table
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}
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