Commit 0b42e557 authored by Pengfei Xue's avatar Pengfei Xue

align memcache operations with redis

parent a369b15e
...@@ -21,7 +21,11 @@ func NewMemCache() *MemcacheCache { ...@@ -21,7 +21,11 @@ func NewMemCache() *MemcacheCache {
// get value from memcache. // get value from memcache.
func (rc *MemcacheCache) Get(key string) interface{} { func (rc *MemcacheCache) Get(key string) interface{} {
if rc.c == nil { if rc.c == nil {
rc.c = rc.connectInit() var err error
rc.c, err = rc.connectInit()
if err != nil {
return err
}
} }
v, err := rc.c.Get(key) v, err := rc.c.Get(key)
if err != nil { if err != nil {
...@@ -39,7 +43,11 @@ func (rc *MemcacheCache) Get(key string) interface{} { ...@@ -39,7 +43,11 @@ func (rc *MemcacheCache) Get(key string) interface{} {
// put value to memcache. only support string. // put value to memcache. only support string.
func (rc *MemcacheCache) Put(key string, val interface{}, timeout int64) error { func (rc *MemcacheCache) Put(key string, val interface{}, timeout int64) error {
if rc.c == nil { if rc.c == nil {
rc.c = rc.connectInit() var err error
rc.c, err = rc.connectInit()
if err != nil {
return err
}
} }
v, ok := val.(string) v, ok := val.(string)
if !ok { if !ok {
...@@ -55,7 +63,11 @@ func (rc *MemcacheCache) Put(key string, val interface{}, timeout int64) error { ...@@ -55,7 +63,11 @@ func (rc *MemcacheCache) Put(key string, val interface{}, timeout int64) error {
// delete value in memcache. // delete value in memcache.
func (rc *MemcacheCache) Delete(key string) error { func (rc *MemcacheCache) Delete(key string) error {
if rc.c == nil { if rc.c == nil {
rc.c = rc.connectInit() var err error
rc.c, err = rc.connectInit()
if err != nil {
return err
}
} }
_, err := rc.c.Delete(key) _, err := rc.c.Delete(key)
return err return err
...@@ -76,7 +88,11 @@ func (rc *MemcacheCache) Decr(key string) error { ...@@ -76,7 +88,11 @@ func (rc *MemcacheCache) Decr(key string) error {
// check value exists in memcache. // check value exists in memcache.
func (rc *MemcacheCache) IsExist(key string) bool { func (rc *MemcacheCache) IsExist(key string) bool {
if rc.c == nil { if rc.c == nil {
rc.c = rc.connectInit() var err error
rc.c, err = rc.connectInit()
if err != nil {
return false
}
} }
v, err := rc.c.Get(key) v, err := rc.c.Get(key)
if err != nil { if err != nil {
...@@ -93,7 +109,11 @@ func (rc *MemcacheCache) IsExist(key string) bool { ...@@ -93,7 +109,11 @@ func (rc *MemcacheCache) IsExist(key string) bool {
// clear all cached in memcache. // clear all cached in memcache.
func (rc *MemcacheCache) ClearAll() error { func (rc *MemcacheCache) ClearAll() error {
if rc.c == nil { if rc.c == nil {
rc.c = rc.connectInit() var err error
rc.c, err = rc.connectInit()
if err != nil {
return err
}
} }
err := rc.c.FlushAll() err := rc.c.FlushAll()
return err return err
...@@ -109,20 +129,21 @@ func (rc *MemcacheCache) StartAndGC(config string) error { ...@@ -109,20 +129,21 @@ func (rc *MemcacheCache) StartAndGC(config string) error {
return errors.New("config has no conn key") return errors.New("config has no conn key")
} }
rc.conninfo = cf["conn"] rc.conninfo = cf["conn"]
rc.c = rc.connectInit() var err error
if rc.c == nil { rc.c, err = rc.connectInit()
if err != nil {
return errors.New("dial tcp conn error") return errors.New("dial tcp conn error")
} }
return nil return nil
} }
// connect to memcache and keep the connection. // connect to memcache and keep the connection.
func (rc *MemcacheCache) connectInit() *memcache.Connection { func (rc *MemcacheCache) connectInit() (*memcache.Connection, error) {
c, err := memcache.Connect(rc.conninfo) c, err := memcache.Connect(rc.conninfo)
if err != nil { if err != nil {
return nil return nil, err
} }
return c return c, nil
} }
func init() { func init() {
......
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