-
Notifications
You must be signed in to change notification settings - Fork 0
/
store.go
70 lines (55 loc) · 1.14 KB
/
store.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
package redis
import (
"bytes"
"github.com/simonz05/godis/redis"
"io"
"io/ioutil"
"net/url"
"path"
"simplex.sh/store"
)
func init() {
store.Register("redis", Open)
}
type store_t struct {
conn *redis.Client
prefix string
}
type setter struct {
io.Writer
conn *redis.Client
key string
}
func Open(u *url.URL) (store.Store, error) {
var (
addr = "tcp:" + u.Host
pass = ""
prefix = "sx:"
conn *redis.Client
)
if ui := u.User; ui != nil {
pass, _ = ui.Password()
}
prefix += u.Path
prefix = path.Clean(prefix)
conn = redis.New(addr, 0, pass)
return &store_t{conn, prefix}, nil
}
func (s *store_t) GetBlob(name string) (io.ReadCloser, error) {
key := path.Join(s.prefix, name)
elem, err := s.conn.Get(key)
if err != nil {
return nil, err
}
if elem == nil {
return nil, store.NotFoundError(name)
}
return ioutil.NopCloser(bytes.NewReader(elem.Bytes())), err
}
func (s *store_t) SetBlob(name string) (io.WriteCloser, error) {
key := path.Join(s.prefix, name)
return &setter{bytes.NewBuffer(nil), s.conn, key}, nil
}
func (s *setter) Close() error {
return s.conn.Set(s.key, s.Writer.(*bytes.Buffer).Bytes())
}