mirror of
https://github.com/autc04/Retro68.git
synced 2024-11-28 21:49:33 +00:00
112 lines
3.2 KiB
Go
112 lines
3.2 KiB
Go
// Copyright 2012 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package http_test
|
|
|
|
import (
|
|
"fmt"
|
|
"io"
|
|
"io/ioutil"
|
|
"log"
|
|
"net/http"
|
|
)
|
|
|
|
func ExampleHijacker() {
|
|
http.HandleFunc("/hijack", func(w http.ResponseWriter, r *http.Request) {
|
|
hj, ok := w.(http.Hijacker)
|
|
if !ok {
|
|
http.Error(w, "webserver doesn't support hijacking", http.StatusInternalServerError)
|
|
return
|
|
}
|
|
conn, bufrw, err := hj.Hijack()
|
|
if err != nil {
|
|
http.Error(w, err.Error(), http.StatusInternalServerError)
|
|
return
|
|
}
|
|
// Don't forget to close the connection:
|
|
defer conn.Close()
|
|
bufrw.WriteString("Now we're speaking raw TCP. Say hi: ")
|
|
bufrw.Flush()
|
|
s, err := bufrw.ReadString('\n')
|
|
if err != nil {
|
|
log.Printf("error reading string: %v", err)
|
|
return
|
|
}
|
|
fmt.Fprintf(bufrw, "You said: %q\nBye.\n", s)
|
|
bufrw.Flush()
|
|
})
|
|
}
|
|
|
|
func ExampleGet() {
|
|
res, err := http.Get("http://www.google.com/robots.txt")
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
robots, err := ioutil.ReadAll(res.Body)
|
|
res.Body.Close()
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
fmt.Printf("%s", robots)
|
|
}
|
|
|
|
func ExampleFileServer() {
|
|
// Simple static webserver:
|
|
log.Fatal(http.ListenAndServe(":8080", http.FileServer(http.Dir("/usr/share/doc"))))
|
|
}
|
|
|
|
func ExampleFileServer_stripPrefix() {
|
|
// To serve a directory on disk (/tmp) under an alternate URL
|
|
// path (/tmpfiles/), use StripPrefix to modify the request
|
|
// URL's path before the FileServer sees it:
|
|
http.Handle("/tmpfiles/", http.StripPrefix("/tmpfiles/", http.FileServer(http.Dir("/tmp"))))
|
|
}
|
|
|
|
func ExampleStripPrefix() {
|
|
// To serve a directory on disk (/tmp) under an alternate URL
|
|
// path (/tmpfiles/), use StripPrefix to modify the request
|
|
// URL's path before the FileServer sees it:
|
|
http.Handle("/tmpfiles/", http.StripPrefix("/tmpfiles/", http.FileServer(http.Dir("/tmp"))))
|
|
}
|
|
|
|
type apiHandler struct{}
|
|
|
|
func (apiHandler) ServeHTTP(http.ResponseWriter, *http.Request) {}
|
|
|
|
func ExampleServeMux_Handle() {
|
|
mux := http.NewServeMux()
|
|
mux.Handle("/api/", apiHandler{})
|
|
mux.HandleFunc("/", func(w http.ResponseWriter, req *http.Request) {
|
|
// The "/" pattern matches everything, so we need to check
|
|
// that we're at the root here.
|
|
if req.URL.Path != "/" {
|
|
http.NotFound(w, req)
|
|
return
|
|
}
|
|
fmt.Fprintf(w, "Welcome to the home page!")
|
|
})
|
|
}
|
|
|
|
// HTTP Trailers are a set of key/value pairs like headers that come
|
|
// after the HTTP response, instead of before.
|
|
func ExampleResponseWriter_trailers() {
|
|
mux := http.NewServeMux()
|
|
mux.HandleFunc("/sendstrailers", func(w http.ResponseWriter, req *http.Request) {
|
|
// Before any call to WriteHeader or Write, declare
|
|
// the trailers you will set during the HTTP
|
|
// response. These three headers are actually sent in
|
|
// the trailer.
|
|
w.Header().Set("Trailer", "AtEnd1, AtEnd2")
|
|
w.Header().Add("Trailer", "AtEnd3")
|
|
|
|
w.Header().Set("Content-Type", "text/plain; charset=utf-8") // normal header
|
|
w.WriteHeader(http.StatusOK)
|
|
|
|
w.Header().Set("AtEnd1", "value 1")
|
|
io.WriteString(w, "This HTTP response has both headers before this text and trailers at the end.\n")
|
|
w.Header().Set("AtEnd2", "value 2")
|
|
w.Header().Set("AtEnd3", "value 3") // These will appear as trailers.
|
|
})
|
|
}
|