-
Notifications
You must be signed in to change notification settings - Fork 0
/
main.go
89 lines (75 loc) · 1.81 KB
/
main.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
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
package main
import (
"bufio"
"flag"
"fmt"
"log"
"net/http"
"os"
"path/filepath"
"strings"
)
type config struct {
addr string
logRequest bool
logResponse bool
}
func main() {
var serverPort int
var cfg config
flag.Usage = printUsageMessage
flag.IntVar(&serverPort, "p", 7777, "port")
flag.BoolVar(&cfg.logRequest, "r", false, "log request")
flag.BoolVar(&cfg.logResponse, "s", false, "log response")
flag.Parse()
filename := filepath.Clean(flag.Arg(0))
cfg.addr = fmt.Sprintf(":%d", serverPort)
if filename == "" {
err := serveReader(cfg)
if err != nil {
log.Fatal(err)
}
} else {
fi, err := os.Stat(filename)
if err == nil {
if fi.Mode().IsDir() {
err = serveDirectory(cfg, filename)
} else {
err = serveFile(cfg, filename)
}
}
if err != nil {
log.Fatalln(err.Error())
}
}
}
// serveReader reads from mock file from <stdin>
func serveReader(cfg config) error {
// read input from stdin
info, err := os.Stdin.Stat()
if err != nil {
return err
}
if info.Mode()&os.ModeCharDevice != 0 || info.Size() <= 0 {
flag.Usage()
os.Exit(1)
}
mock := newMockReader(cfg, bufio.NewReader(os.Stdin))
return mock.Server.ListenAndServe()
}
// serveFile serves mock file passed in from command line
func serveFile(cfg config, fn string) error {
mock := newMockFile(cfg, fn)
return mock.Server.ListenAndServe()
}
// serveDirectory serves directory of standard html files
func serveDirectory(cfg config, fn string) error {
fn = strings.ReplaceAll(fn, " ", "\\ ")
log.Printf("Serving %q on localhost%s\n", fn, cfg.addr)
return http.ListenAndServe(cfg.addr, http.FileServer(http.Dir(fn)))
}
func printUsageMessage() {
message := "Start mock MockServer with mock file, directory or <stdin>.\nmock [flags] [input_file]"
fmt.Fprintln(os.Stderr, message)
flag.PrintDefaults()
}