storj/examples/udp-forwarder/forwarder.go
JT Olio b2f4cf5fab
udp-forwarding: demo week work! (#84)
* server udp communication
 * goimports
 * goimports
2018-06-15 00:03:16 -06:00

61 lines
1.0 KiB
Go

// Copyright (C) 2018 Storj Labs, Inc.
// See LICENSE for copying information.
package main
import (
"fmt"
"net"
)
func main() {
serverAddr, err := net.ResolveUDPAddr("udp", "127.0.0.1:10001")
if err != nil {
fmt.Println(err.Error())
return
}
receiver1, err := net.ResolveUDPAddr("udp", "127.0.0.1:7777")
if err != nil {
fmt.Println(err.Error())
return
}
receiver2, err := net.ResolveUDPAddr("udp", "127.0.0.1:8888")
if err != nil {
fmt.Println(err.Error())
return
}
conn, err := net.ListenUDP("udp", serverAddr)
if err != nil {
fmt.Println(err.Error())
return
}
defer conn.Close()
buf := make([]byte, 1024*10)
for {
n, addr, err := conn.ReadFrom(buf)
if err != nil {
fmt.Println(err.Error())
return
}
fmt.Println("Received ", string(buf[0:n]), " from ", addr)
_, err = conn.WriteTo(buf[0:n], receiver1)
if err != nil {
fmt.Println(err.Error())
return
}
_, err = conn.WriteTo(buf[0:n], receiver2)
if err != nil {
fmt.Println(err.Error())
return
}
}
}