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| package broadcast
|
| import (
| "basic.com/valib/logger.git"
| "github.com/gogf/greuse"
| "strconv"
| "vamicro/config"
| "vamicro/system-service/sys"
| )
|
| var (
| port = 31995
| )
|
| //开启广播的接收端
| func StartServer() error {
| localIp, _, _ := sys.GetLocalIP(config.Server.NetworkAdapter)
| if localIp == "" {
| localIp = "0.0.0.0"
| }
|
| conn, err := greuse.ListenPacket("udp", localIp+":"+strconv.Itoa(port))
| if err != nil {
| logger.Debug("ListenPacket err:", err)
| return err
| }
|
| defer conn.Close()
| buf := make([]byte, 1024)
| for {
| n, remoteAddr, err := conn.ReadFrom(buf)
| if err != nil {
| logger.Debug("read from broadcast buf err:", err)
| continue
| }
| logger.Debug("receive msg from broadcast:", string(buf[:n]))
| wn, we := conn.WriteTo([]byte("hello"), remoteAddr)
| logger.Debug("write broadcast resp err:", we, " wn:", wn)
|
| }
| }
|
|
