sw/main.go

package main

import (
	"compress/gzip"
	"flag"
	"fmt"
	"io"
	"net/http"
	"time"
)

var port = flag.String("port", "3000", "listen on port")
var body = flag.Bool("body", true, "print body")
var header = flag.Bool("header", true, "print headers")

func requestHandler(w http.ResponseWriter, r *http.Request) {
	fmt.Printf("%s %s from %s", r.Method, r.RequestURI, r.RemoteAddr)

	if *body {
		var requestbody []byte

		r.Body = http.MaxBytesReader(w, r.Body, 1048576)
		if r.Header.Get("Content-Encoding") == "gzip" {
			gzipreader, _ := gzip.NewReader(r.Body)
			requestbody, _ = io.ReadAll(gzipreader)
		} else {
			requestbody, _ = io.ReadAll(r.Body)
		}
		fmt.Printf("\n--- BODY ---\n%s\n--- ENDBODY ---\n", string(requestbody))
	}

	if *header {
		fmt.Println(r.Header)
	}

	fmt.Fprintf(w, "The current time is: %s\n", time.Now())
}

func main() {
	flag.Parse()

	srv := http.Server{
		Addr:              ":" + *port,
		WriteTimeout:      10 * time.Second,
		ReadHeaderTimeout: 10 * time.Second,
		Handler:           http.HandlerFunc(requestHandler),
	}

	fmt.Printf("Starting server on port %s\n", *port)
	//srv.HandleFunc("/", requestHandler)
	err := srv.ListenAndServe()
	if err != nil {
		fmt.Println("ListenAndServe:", err)
	}
}