post image January 6, 2022 | 1 min Read

Go simple TCP server

package main


import (
	"fmt"
	"time"
	"log"
	"net"
	"bufio"
)

func main()  {
	li, err := net.Listen("tcp", ":8080")
	if err != nil {
		log.Panic(err)

	}

	defer li.Close()

	for {
		conn, err := li.Accept()
		if err != nil {
			log.Println(err)
		}

		go handle(conn)
	}
}

func handle(conn net.Conn)  {
	err := conn.SetDeadline(time.Now().Add(10 * time.Second))
	if err != nil {
		log.Println("Connection timeout!")
	}

	scanner := bufio.NewScanner(conn)

	for scanner.Scan() {
		ln := scanner.Text()
		fmt.Println(ln)
		fmt.Fprintf(conn, "I heard you say: %s\n", ln)
	}

	defer conn.Close()

	fmt.Println("Code got here.")
}
author image

Jan Toth

I have been in DevOps related jobs for past 6 years dealing mainly with Kubernetes in AWS and on-premise as well. I spent quite a lot …

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