package main import ( "fmt" "net" "os" "time" ) const rateLimit = 100 // Packets per second const serverCount = 3 // Number of servers to load balance func main() { // Listen to incoming UDP packets ln, err := net.ListenPacket("udp", ":8080") if err != nil { fmt.Println(err) os.Exit(1) } defer ln.Close() // Create a buffer to hold incoming data buf := make([]byte, 1024) servers := []string{ "server1.example.com:8080", "server2.example.com:8080", "server3.example.com:8080", } for { // Read incoming data n, addr, err := ln.ReadFrom(buf) if err != nil { fmt.Println(err) continue } // Load balance the incoming data to different servers go func(n int, buf []byte, addr net.Addr) { for i, server := range servers { // Connect to the remote server conn, err := net.Dial("udp", server) if err != nil { fmt.Println(err) continue } defer conn.Close() // Write the incoming data to the remote server with rate limit for i := 0; i < n; i += rateLimit { _, err = conn.Write(buf[i : i+rateLimit]) if err != nil { fmt.Println(err) return } time.Sleep(time.Second / rateLimit / serverCount) } } }(n, buf, addr) } }