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
44 lines
563 B
Go
44 lines
563 B
Go
//go:build linux
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// +build linux
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package arp
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import (
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"bufio"
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"os"
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"strings"
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)
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const (
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f_IPAddr int = iota
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f_HWType
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f_Flags
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f_HWAddr
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f_Mask
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f_Device
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)
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// Table 读取 Linux 内核 ARP 表（/proc/net/arp）
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func Table() ArpTable {
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f, err := os.Open("/proc/net/arp")
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if err != nil {
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return nil
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}
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defer f.Close()
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s := bufio.NewScanner(f)
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s.Scan() // skip the field descriptions
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var table = make(ArpTable)
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for s.Scan() {
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line := s.Text()
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fields := strings.Fields(line)
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table[fields[f_IPAddr]] = fields[f_HWAddr]
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}
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return table
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}
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