-
Notifications
You must be signed in to change notification settings - Fork 493
/
echo.go
63 lines (51 loc) · 1.28 KB
/
echo.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
package main
import (
"fmt"
"io"
"net/http"
"os"
"time"
)
// TeeWriter is an io.Writer wapper.
type TeeWriter struct {
writers []io.Writer
}
// NewTeeWriter returns a TeeWriter.
func NewTeeWriter(writers ...io.Writer) *TeeWriter {
return &TeeWriter{writers: writers}
}
// Write writes the data.
func (tw *TeeWriter) Write(p []byte) (n int, err error) {
for _, w := range tw.writers {
w.Write(p)
}
return len(p), nil
}
func main() {
echoHandler := func(w http.ResponseWriter, req *http.Request) {
time.Sleep(10 * time.Millisecond)
body, err := io.ReadAll(req.Body)
if err != nil {
body = []byte(fmt.Sprintf("<read failed: %v>", err))
}
tw := NewTeeWriter(w, os.Stdout)
url := req.URL.Path
if req.URL.Query().Encode() != "" {
url += "?" + req.URL.Query().Encode()
}
fmt.Fprintln(tw, "Your Request")
fmt.Fprintln(tw, "==============")
fmt.Fprintln(tw, "Method:", req.Method)
fmt.Fprintln(tw, "Host:", req.Host)
fmt.Fprintln(tw, "URL :", url)
fmt.Fprintln(tw, "Header:")
for k, v := range req.Header {
fmt.Fprintf(tw, " %s: %v\n", k, v)
}
fmt.Fprintln(tw, "Body :", string(body))
}
http.HandleFunc("/", echoHandler)
http.HandleFunc("/pipeline", echoHandler)
http.ListenAndServe(":9095", nil)
fmt.Println("listen and serve failed")
}