server.go

package main

import (
	"fmt"
	"net/http"
	"time"
)

func handler(w http.ResponseWriter, r *http.Request) {
	// Check the network connectivity
	if err := r.Body.(*http.Request).ParseForm(); err != nil {
		http.Error(w, "Bad Request: Network connectivity issue", http.StatusBadRequest)
		return
	}

	// Increase the server's read timeout
	r.Body.(*http.Request).Header.Set("Timeout", "30")
	r.Body.(*http.Request).Header.Set("Keep-Alive", "timeout=30")

	buf := make([]byte, 1024)
	_, err := r.Body.Read(buf)
	if err != nil {
		if err.Error() == "unexpected EOF" {
			// Check the size of the request body
			http.Error(w, "Bad Request: Request body is too short", http.StatusBadRequest)
			return
		}
		fmt.Println("Error:", err)
		http.Error(w, "Internal Server Error", http.StatusInternalServerError)
		return
	}
	fmt.Fprint(w, "Hello, world!")
}

func main() {
	http.HandleFunc("/", handler)

	// Check the client implementation
	srv := &http.Server{
		Addr:         ":8080",
		ReadTimeout:  5 * time.Minute,
		WriteTimeout: 10 * time.Minute,
		IdleTimeout:  15 * time.Minute,
	}
	if err := srv.ListenAndServe(); err != nil {
		panic(err)
	}
}