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53 lines
920 B
53 lines
920 B
package discovery
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import (
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"fmt"
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"net"
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"os"
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"strings"
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"xtcfs/config"
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)
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// 分隔符
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const separator = "|"
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func Listen() {
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// 创建udp
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addr, err := net.ResolveUDPAddr("udp", config.G.LocalIP)
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ChkError(err)
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//
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conn, err := net.ListenUDP("updp", addr)
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ChkError(err)
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// 延迟关闭
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defer conn.Close()
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buf := make([]byte, 1024)
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for {
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//
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n, src, err := conn.ReadFromUDP(buf)
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remoteAddr := src.IP.String() + ":" + config.G.Port
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if err != nil {
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fmt.Printf("Failed to read from %s: %v\n", remoteAddr, err)
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continue
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}
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message := string(buf[:n])
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parts := strings.Split(message, separator)
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if len(parts) != 2 {
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fmt.Printf("Received malformed message from %s: %s\n", remoteAddr, message)
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continue
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}
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// 切割
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fmt.Print("parts from udp read :%v", parts)
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}
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}
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func ChkError(err error) {
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if err != nil {
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fmt.Fprint(os.Stderr, "Faltat error", err.Error())
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os.Exit(1)
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}
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}
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