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httpserver.go
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httpserver.go
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package main
import (
"fmt"
"log"
"net/http"
"strconv"
"time"
)
func webRoot(resp http.ResponseWriter, req *http.Request) {
resp.Header().Add("Content-Type", "text/plain")
if req.Method == "GET" {
resp.Write([]byte("Welcome to the site\n"))
resp.Write([]byte("Request Method: " + req.Method + "\n"))
resp.Write([]byte("Request Host: " + req.Host + "\n"))
resp.Write([]byte("Request Header: " + fmt.Sprintf("%+v", req.Header) + "\n"))
resp.Write([]byte("Request Protocol: " + req.Proto + "\n"))
resp.Write([]byte("Request Remote Address: " + req.RemoteAddr + "\n"))
resp.Write([]byte("Request Request URI: " + req.RequestURI + "\n"))
}
}
func webUUID(resp http.ResponseWriter, req *http.Request) {
resp.Header().Add("Content-Type", "text/plain")
if req.Method == "GET" {
resp.Write([]byte("Please enjoy this free UUID: " + uuidV5Gen(1000, time.Now().Local().Format("2006-01-02 15:04:05")) + "\n"))
}
}
func webListener(port int) {
ws := http.NewServeMux()
srv := &http.Server{
Addr: ":" + strconv.Itoa(port),
Handler: ws,
// time to read request headers
ReadTimeout: time.Duration(15 * time.Second),
// time from accept to end of response
WriteTimeout: time.Duration(10 * time.Second),
// time a Keep-Alive connection will be kept idle
IdleTimeout: time.Duration(120 * time.Second),
}
ws.HandleFunc("/", webRoot)
ws.HandleFunc("/uuid", webUUID)
if err := srv.ListenAndServe(); err != nil {
log.Fatal(err)
}
}