gopl.io/ch1/server3/main.go

38 lines
836 B
Go
Raw Normal View History

2015-10-16 06:12:59 -07:00
// Copyright © 2016 Alan A. A. Donovan & Brian W. Kernighan.
// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
// See page 21.
// Server3 is an "echo" server that displays request parameters.
2015-10-16 06:12:59 -07:00
package main
import (
"fmt"
"log"
"net/http"
)
func main() {
http.HandleFunc("/", handler)
log.Fatal(http.ListenAndServe("localhost:8000", nil))
}
//!+handler
// handler echoes the HTTP request.
func handler(w http.ResponseWriter, r *http.Request) {
fmt.Fprintf(w, "%s %s %s\n", r.Method, r.URL, r.Proto)
for k, v := range r.Header {
fmt.Fprintf(w, "Header[%q] = %q\n", k, v)
}
fmt.Fprintf(w, "Host = %q\n", r.Host)
fmt.Fprintf(w, "RemoteAddr = %q\n", r.RemoteAddr)
if err := r.ParseForm(); err != nil {
log.Print(err)
}
for k, v := range r.Form {
fmt.Fprintf(w, "Form[%q] = %q\n", k, v)
}
}
//!-handler