Golang golang-httpd (snippet)

Go programming example 'golang-httpd'

golang-httpd

Golang beginners example: golang-httpd

package main

import (
    "fmt"
    "log"
    "net/http"
    "strconv"
    "strings"
)

var requestcounter int

func handler(w http.ResponseWriter, r *http.Request) {
    url := r.URL.Path
    if r.URL.RawQuery != "" {
        url = strings.Join([]string{url, "?", r.URL.RawQuery}, "")
    }
    fmt.Fprintf(w, "Hello World\nYou requested: %s\n", url)
    fmt.Fprintf(w, "this is request number %s\n", strconv.Itoa(requestcounter))
    log.Println(url)
    requestcounter++
}

func main() {
    http.HandleFunc("/", handler)
    err := http.ListenAndServe(":8080", nil)
    if err != nil {
        log.Fatal("ListenAndServe: ", err)
    }
}

Useful links

• Learn Go: https://golangr.com
• Download Go: https://golang.org