|
1
|
|
|
package memcached |
|
2
|
|
|
|
|
3
|
|
|
import ( |
|
4
|
|
|
"context" |
|
5
|
|
|
"github.com/arazmj/gerdu/cache" |
|
6
|
|
|
mc "github.com/arazmj/gomemcached" |
|
7
|
|
|
log "github.com/sirupsen/logrus" |
|
8
|
|
|
"strconv" |
|
9
|
|
|
) |
|
10
|
|
|
|
|
11
|
|
|
func MemcachedServe(host string, gerdu cache.UnImplementedCache) { |
|
|
|
|
|
|
12
|
|
|
mockServer := mc.NewServer(host) |
|
13
|
|
|
mockServer.RegisterFunc("get", func(ctx context.Context, req *mc.Request, res *mc.Response) error { |
|
14
|
|
|
return getHandler(ctx, req, res, gerdu) |
|
15
|
|
|
}) |
|
16
|
|
|
mockServer.RegisterFunc("gets", func(ctx context.Context, req *mc.Request, res *mc.Response) error { |
|
17
|
|
|
return getHandler(ctx, req, res, gerdu) |
|
18
|
|
|
}) |
|
19
|
|
|
mockServer.RegisterFunc("set", func(ctx context.Context, req *mc.Request, res *mc.Response) error { |
|
20
|
|
|
return setHandler(ctx, req, res, gerdu) |
|
21
|
|
|
}) |
|
22
|
|
|
mockServer.RegisterFunc("delete", func(ctx context.Context, req *mc.Request, res *mc.Response) error { |
|
23
|
|
|
return deleteHandler(ctx, req, res, gerdu) |
|
24
|
|
|
|
|
25
|
|
|
}) |
|
26
|
|
|
mockServer.RegisterFunc("incr", func(ctx context.Context, req *mc.Request, res *mc.Response) error { |
|
27
|
|
|
return incrHandler(ctx, req, res, gerdu) |
|
28
|
|
|
}) |
|
29
|
|
|
mockServer.RegisterFunc("flush_all", func(ctx context.Context, req *mc.Request, res *mc.Response) error { |
|
30
|
|
|
return flushAllHandler(ctx, req, res, gerdu) |
|
31
|
|
|
}) |
|
32
|
|
|
mockServer.RegisterFunc("version", func(ctx context.Context, req *mc.Request, res *mc.Response) error { |
|
33
|
|
|
return versionHandler(ctx, req, res, gerdu) |
|
34
|
|
|
}) |
|
35
|
|
|
mockServer.Start() |
|
36
|
|
|
} |
|
37
|
|
|
|
|
38
|
|
|
func getHandler(ctx context.Context, req *mc.Request, res *mc.Response, gerdu cache.UnImplementedCache) error { |
|
39
|
|
|
for _, key := range req.Keys { |
|
40
|
|
|
value, ok := gerdu.Get(key) |
|
41
|
|
|
if ok { |
|
42
|
|
|
|
|
43
|
|
|
log.Printf("Memcached RETRIEVED Key: %s Value: %s\n", key, value) |
|
44
|
|
|
} |
|
45
|
|
|
res.Values = append(res.Values, mc.Value{Key: key, Flags: "0", Data: []byte(value)}) |
|
46
|
|
|
} |
|
47
|
|
|
|
|
48
|
|
|
res.Response = mc.RespEnd |
|
49
|
|
|
return nil |
|
50
|
|
|
} |
|
51
|
|
|
|
|
52
|
|
|
func setHandler(ctx context.Context, req *mc.Request, res *mc.Response, gerdu cache.UnImplementedCache) error { |
|
53
|
|
|
key := req.Key |
|
54
|
|
|
value := req.Data |
|
55
|
|
|
created := gerdu.Put(key, string(value)) |
|
56
|
|
|
if !created { |
|
57
|
|
|
log.Printf("Memcached UPDATE Key: %s Value: %s\n", key, value) |
|
58
|
|
|
} else { |
|
59
|
|
|
log.Printf("Memcached INSERT Key: %s Value: %s\n", key, value) |
|
60
|
|
|
} |
|
61
|
|
|
res.Response = mc.RespStored |
|
62
|
|
|
return nil |
|
63
|
|
|
} |
|
64
|
|
|
|
|
65
|
|
|
func deleteHandler(ctx context.Context, req *mc.Request, res *mc.Response, gerdu cache.UnImplementedCache) error { |
|
66
|
|
|
count := 0 |
|
67
|
|
|
for _, key := range req.Keys { |
|
68
|
|
|
if _, exists := gerdu.Get(key); exists { |
|
69
|
|
|
ok := gerdu.Delete(key) |
|
70
|
|
|
if ok { |
|
71
|
|
|
log.Printf("Memcached DELETE Key: %s\n", key) |
|
72
|
|
|
} |
|
73
|
|
|
count++ |
|
74
|
|
|
} else { |
|
75
|
|
|
log.Printf("Memcached DELETE Key not found: %s\n", key) |
|
76
|
|
|
} |
|
77
|
|
|
} |
|
78
|
|
|
if count > 0 { |
|
79
|
|
|
res.Response = mc.RespDeleted |
|
80
|
|
|
} else { |
|
81
|
|
|
res.Response = mc.RespNotFound |
|
82
|
|
|
} |
|
83
|
|
|
return nil |
|
84
|
|
|
} |
|
85
|
|
|
|
|
86
|
|
|
func incrHandler(ctx context.Context, req *mc.Request, res *mc.Response, gerdu cache.UnImplementedCache) error { |
|
87
|
|
|
key := req.Key |
|
88
|
|
|
increment := req.Value |
|
89
|
|
|
var base int64 |
|
90
|
|
|
if value, exists := gerdu.Get(key); exists { |
|
91
|
|
|
var err error |
|
92
|
|
|
base, err = strconv.ParseInt(value, 10, 64) |
|
93
|
|
|
if err != nil { |
|
94
|
|
|
return err |
|
95
|
|
|
} |
|
96
|
|
|
} |
|
97
|
|
|
|
|
98
|
|
|
value := strconv.FormatInt(base+increment, 10) |
|
99
|
|
|
gerdu.Put(key, value) |
|
100
|
|
|
|
|
101
|
|
|
res.Response = value |
|
102
|
|
|
return nil |
|
103
|
|
|
} |
|
104
|
|
|
|
|
105
|
|
|
func flushAllHandler(ctx context.Context, req *mc.Request, res *mc.Response, gerdu cache.UnImplementedCache) error { |
|
106
|
|
|
|
|
107
|
|
|
log.Fatalln("Memcached not implemented flush all") |
|
108
|
|
|
res.Response = mc.RespOK |
|
109
|
|
|
return nil |
|
110
|
|
|
} |
|
111
|
|
|
|
|
112
|
|
|
func versionHandler(ctx context.Context, req *mc.Request, res *mc.Response, gerdu cache.UnImplementedCache) error { |
|
113
|
|
|
res.Response = "Gerdu VERSION 0.1" |
|
114
|
|
|
return nil |
|
115
|
|
|
} |
|
116
|
|
|
|
arazmj /
gerdu
Loading history...