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Advanced Techniques in Go Programming

Developing a UDP Client

Explore how to develop a UDP client in Go to interact with UDP services. Understand how to establish connections with UDP servers, send and receive messages, and manage connection termination. This lesson equips you with practical knowledge to implement UDP clients using Go's net package.

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This lesson demonstrates how to develop a UDP client that can interact with UDP services.

Coding example

The code of udpC.go is as follows:

Go (1.19.0)
package main
import (
	"bufio"
	"fmt"
	"net"
	"os"
	"strings"
)
func main() {
	arguments := os.Args
	if len(arguments) == 1 {
		fmt.Println("Please provide a host:port string")
		return
	}
	CONNECT := arguments[1]

This is how we get the UDP server details from the user.

Go (1.19.0)
	s, err := net.ResolveUDPAddr("udp4", CONNECT)
	c, err := net.DialUDP("udp4", nil, s)

The above two lines declare that we are using UDP and that we want to connect to the UDP server that is specified by the return value of net.ResolveUDPAddr(). The actual connection is initiated ...