-
Notifications
You must be signed in to change notification settings - Fork 3
/
config.go
84 lines (69 loc) · 1.78 KB
/
config.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
package main
import (
"errors"
"flag"
"strings"
"time"
)
var errInvalidFlag error = errors.New("Invalid flag")
type duration time.Duration
func (d *duration) String() string {
return time.Duration(*d).String()
}
func (d *duration) Set(s string) error {
dur, err := time.ParseDuration(s)
*d = duration(dur)
return err
}
type stringSlice []string
func (s *stringSlice) String() string {
return strings.Join(*s, ",")
}
func (s *stringSlice) Set(n string) error {
if n == "" {
return errInvalidFlag
}
*s = append(*s, n)
return nil
}
type config struct {
keys indexKey
listen string
root string
agent string
interval duration
}
func newConfig() *config {
keys := makeIndexKeys()
keys.add("", keyTypeNormal)
keys.add("from", keyTypeAddr)
keys.add("to", keyTypeAddr)
return &config{
keys: keys,
root: ".",
interval: duration(2 * time.Second),
}
}
func (c *config) parseFlags() {
headers := stringSlice(make([]string, 0))
addrs := stringSlice(make([]string, 0))
parts := stringSlice(make([]string, 0))
flag.Var(&headers, "H", "Header to index as-is")
flag.Var(&addrs, "A", "Header containing addresses (defaults to 'From' and 'To')")
flag.Var(&parts, "P", "Header that can be matched by a substring")
flag.Var(&c.interval, "i", "Interval between runs of the crawler")
flag.StringVar(&c.listen, "s", "0.0.0.0:8888", "Where to listen from (default: 0.0.0.0:8888)")
flag.StringVar(&c.agent, "a", "MAILER-DAEMON-PERSO", "What to write after 'From ' in mbox format")
flag.Parse()
// TODO: All these should be "normalized" and validated!
for i := range headers {
c.keys.add(headers[i], keyTypeNormal)
}
for i := range addrs {
c.keys.add(addrs[i], keyTypeAddr)
}
for i := range parts {
c.keys.add(parts[i], keyTypePart)
}
c.root = flag.Arg(0)
}