simple_http_server_dump.go

package main

import (
	"flag"
	"fmt"
	"io/ioutil"
	"log"
	"net/http"
	"strings"
)

var port = 8080

func main() {

	flag.IntVar(&port, "port", port, "Listen port")
	flag.Parse()
	fmt.Printf("Simple Http Server listen on: %d\nOpen: http://127.0.0.1:%d\nAuthor: %s\n", port, port, "[email protected]")
	fmt.Println("-------------------------------------------")

	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
		fmt.Println("------------------Header--------------------")
		fmt.Printf("%s %s\n", r.Method, r.URL.String())
		for key, val := range r.Header {
			fmt.Printf("%s: %s\n", key, strings.Join(val, ";"))
		}
		fmt.Printf("\n")
		fmt.Println("-------------------Body---------------------")
		c, err := ioutil.ReadAll(r.Body)
		if err != nil {
			panic(err)
		}
		fmt.Printf("%s\n", string(c))

		fmt.Fprintf(w, "ok")
	})

	log.Fatal(http.ListenAndServe(fmt.Sprintf(":%d", port), nil))
}