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
|
package caddylog
import (
"log"
"net/http"
"time"
"bitbucket.org/lightcodelabs/caddy2"
"bitbucket.org/lightcodelabs/caddy2/modules/caddyhttp"
)
func init() {
caddy2.RegisterModule(caddy2.Module{
Name: "http.middleware.log",
New: func() interface{} { return new(Log) },
})
}
// Log implements a simple logging middleware.
type Log struct {
Filename string
counter int
}
func (l *Log) ServeHTTP(w http.ResponseWriter, r *http.Request, next caddyhttp.Handler) error {
start := time.Now()
// TODO: An example of returning errors
// return caddyhttp.Error(http.StatusBadRequest, fmt.Errorf("this is a basic error"))
// return caddyhttp.Error(http.StatusBadGateway, caddyhttp.HandlerError{
// Err: fmt.Errorf("this is a detailed error"),
// Message: "We had trouble doing the thing.",
// Recommendations: []string{
// "Try reconnecting the gizbop.",
// "Turn off the Internet.",
// },
// })
if err := next.ServeHTTP(w, r); err != nil {
return err
}
log.Println("latency:", time.Now().Sub(start), l.counter)
return nil
}
// Interface guard
var _ caddyhttp.MiddlewareHandler = (*Log)(nil)
|