joker
/
godns
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

memory cache with map[string]string

This commit is contained in:
kenshin 2013-07-24 18:48:43 +08:00
parent 57304bf910
commit 51be27eee9
2 changed files with 14 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
cache.go
View File

@ -39,7 +39,7 @@ func (e SerializerError) Error() string {
}
type Cache interface {
Get(string) ([]byte, error)
Get(string) (*dns.Msg, error)
Set(string, *dns.Msg) error
Exists(string) bool
Remove()
@ -53,20 +53,19 @@ type MemoryCache struct {
maxcount int
}
func (c *MemoryCache) Get(key string) ([]byte, error) {
func (c *MemoryCache) Get(key string) (*dns.Msg, error) {
fmt.Println(c.backend)
data, ok := c.backend[key]
if !ok {
return nil, KeyNotFound{key}
}
return []byte(data), nil
// mesg := new(dns.Msg)
// if err := c.serializer.Loads([]byte(data), &mesg); err != nil {
// fmt.Println(err)
// return nil, SerializerError{}
// }
// return mesg, nil
mesg := new(dns.Msg)
if err := c.serializer.Loads([]byte(data), &mesg); err != nil {
fmt.Println(err)
return nil, SerializerError{}
}
return mesg, nil
}
@ -74,13 +73,13 @@ func (c *MemoryCache) Set(key string, mesg *dns.Msg) error {
if c.Full() && !c.Exists(key) {
return CacheIsFull{}
}
// data, err := c.serializer.Dumps(mesg)
data, err := c.serializer.Dumps(mesg)
// if err != nil {
// return SerializerError{}
// }
if err != nil {
return SerializerError{}
}
c.backend[key] = mesg.String()
c.backend[key] = string(data)
return nil
}

3
handler.go
View File

@ -79,8 +79,7 @@ func (h *GODNSHandler) do(net string, w dns.ResponseWriter, req *dns.Msg) {
Debug("%s didn't hit cache: %s", Q.String(), err)
} else {
Debug("%s hit cache", Q.String())
fmt.Println(string(mesg))
w.Write(mesg)
w.WriteMsg(mesg)
return
}