Listens for dogstatsd metrics on localhost:8125 and prints them to stdout

fake-dogstatsd.go

package main

import (
	"fmt"
	"net"
	"time"
)

func main() {
	// Address to listen for incoming UDP packets
	addr, err := net.ResolveUDPAddr("udp", "localhost:8125")
	if err != nil {
		fmt.Println("Error resolving UDP address:", err)
		return
	}

	// Create a UDP connection
	conn, err := net.ListenUDP("udp", addr)
	if err != nil {
		fmt.Println("Error creating UDP connection:", err)
		return
	}
	defer conn.Close()

	fmt.Println("UDP server listening on localhost:8125...")

	// Buffer to hold incoming data
	buffer := make([]byte, 1024)

	for {
		// Read data from UDP connection
		n, _, err := conn.ReadFromUDP(buffer)
		if err != nil {
			fmt.Println("Error reading data:", err)
			continue
		}

		hms := time.Now()
		// Process the received data (you can add your own custom logic here)
		data := string(buffer[:n])
		fmt.Printf("[%v] Received: %s\n", hms, data)
	}
}