Create & Init Project...

app/service/main/open/dao/memcache.go

@@ -0,0 +1,64 @@
+package dao
+
+import (
+	"context"
+	"encoding/json"
+
+	"go-common/library/cache/memcache"
+	"go-common/library/ecode"
+	"go-common/library/log"
+)
+
+const (
+	//appkeys represents key name
+	_asspkeys = "sappkeys"
+)
+
+// pingMC ping memcache .
+func (d *Dao) pingMC(c context.Context) (err error) {
+	conn := d.mc.Get(c)
+	defer conn.Close()
+	if err = conn.Set(&memcache.Item{Key: "ping", Value: []byte{1}, Expiration: 0}); err != nil {
+		log.Error("conn.Store(set, ping, 1) error (%v)", err)
+	}
+	return
+}
+
+// AppkeyCache .
+func (d *Dao) AppkeyCache(c context.Context) (res map[string]string, err error) {
+	var (
+		conn memcache.Conn
+		item *memcache.Item
+	)
+	conn = d.mc.Get(c)
+	defer conn.Close()
+	if item, err = conn.Get(_asspkeys); err != nil {
+		if err == memcache.ErrNotFound {
+			err = ecode.NothingFound
+		}
+		return
+	}
+	res = make(map[string]string)
+	err = json.Unmarshal([]byte(item.Value), &res)
+	return
+}
+
+// SetAppkeyCache .
+func (d *Dao) SetAppkeyCache(c context.Context, newData map[string]string) (err error) {
+	var (
+		conn         memcache.Conn
+		item         *memcache.Item
+		jsonAppCache []byte
+	)
+	if jsonAppCache, err = json.Marshal(newData); err != nil {
+		return
+	}
+	conn = d.mc.Get(c)
+	defer conn.Close()
+	item = &memcache.Item{
+		Key:   _asspkeys,
+		Value: jsonAppCache,
+	}
+	err = conn.Set(item)
+	return
+}