Mercurial > mercurial > hgweb_golang.cgi
view src/magicpacket.go @ 39:523416ca4b83
diet magicpacket.go
author | pyon@macmini |
---|---|
date | Tue, 04 Feb 2020 21:31:50 +0900 |
parents | 90659c7171ed |
children | c6df3bae683e |
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package main import ( "bytes" "fmt" "net" "log" "os" ) func main() { if len(os.Args) < 2 { fmt.Fprintln(os.Stderr, "magicpacket mac-address1 mac-address2 ...") os.Exit(1) } for _, mac := range os.Args[1:] { hw, err := net.ParseMAC(mac) if err != nil { log.Fatal(err) } b := [][]byte{bytes.Repeat([]byte{255}, 6), bytes.Repeat([]byte(hw), 16)} pkt := bytes.Join(b, nil) conn, err := net.Dial("udp", "255.255.255.255:9") if err != nil { log.Fatal(err) } defer conn.Close() conn.Write(pkt) } }