mirror of
https://gitee.com/shikong-sk/gofiber-study
synced 2025-02-25 00:02:17 +08:00
67 lines
1.3 KiB
Go
67 lines
1.3 KiB
Go
package wol
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import (
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"bytes"
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"encoding/hex"
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"net"
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"strings"
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"testing"
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)
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func TestWol(t *testing.T) {
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udpAddr, err := net.ResolveUDPAddr("udp", "255.255.255.255:9")
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if err != nil {
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t.Fatal(err)
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}
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t.Logf("%v", udpAddr)
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interfaces, err := net.Interfaces()
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if err != nil {
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t.Fatal(err)
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}
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mac := "00-E0-4C-84-50-EB"
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mac = strings.Replace(strings.Replace(mac, ":", "", -1), "-", "", -1)
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macHex, _ := hex.DecodeString(mac)
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// 广播MAC地址 FF:FF:FF:FF:FF:FF
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var broadcast = []byte{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}
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var buffer bytes.Buffer
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buffer.Write(broadcast)
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for i := 0; i < 16; i++ {
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buffer.Write(macHex)
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}
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wolPackage := buffer.Bytes()
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for _, i := range interfaces {
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if i.Flags&net.FlagUp == 0 {
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t.Logf("%s 未启用", i.Name)
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continue
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}
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t.Logf("%s 已启用", i.Name)
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addrs, err := i.Addrs()
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if err != nil {
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t.Fatal(err)
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}
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for _, addr := range addrs {
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if ip, ok := addr.(*net.IPNet); ok {
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if ipv4 := ip.IP.To4(); ipv4 != nil {
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t.Logf("\t ipv4: %s", ipv4.String())
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conn, err := net.DialUDP("udp", &net.UDPAddr{IP: ipv4}, udpAddr)
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defer func() {
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_ = conn.Close()
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}()
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if err != nil {
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t.Errorf("wol 幻数据包发送失败 %s", err)
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}
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_, _ = conn.Write(wolPackage)
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t.Logf("wol 幻数据包发送成功, %s %s %s", i.Name, ipv4.String(), mac)
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}
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}
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}
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}
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}
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