talksik
38 lines
537 B
Go
38 lines
537 B
Go
package main
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import (
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"fmt"
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"log"
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"net"
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)
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func main() {
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// udp listen
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conn, err := net.ListenUDP("udp", &net.UDPAddr{IP: net.IPv4(0, 0, 0, 0), Port: 5000})
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if err != nil {
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panic(err)
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}
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go func() {
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log.Println("SERVER | listening on port 5000")
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}()
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for {
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// read
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buf := make([]byte, 512)
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n, addr, err := conn.ReadFromUDP(buf)
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if err != nil {
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panic(err)
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}
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fmt.Println("SERVER | received message from ", addr)
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// write
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_, err = conn.WriteToUDP(buf[:n], addr)
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if err != nil {
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panic(err)
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}
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}
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}
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