104 lines
2.4 KiB
Go
104 lines
2.4 KiB
Go
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package dao
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import (
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"context"
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"fmt"
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"go-common/app/service/main/spy/model"
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"go-common/library/cache/memcache"
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"go-common/library/log"
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)
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const (
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_userKey = "u_%d"
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)
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// pingMC ping memcache.
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func (d *Dao) pingMC(c context.Context) (err error) {
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conn := d.mcUser.Get(c)
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defer conn.Close()
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if err = conn.Set(&memcache.Item{Key: "ping", Value: []byte{1}, Expiration: 0}); err != nil {
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log.Error("conn.Store(set,ping,1) error(%v)", err)
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}
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return
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}
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func userInfoCacheKey(mid int64) string {
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return fmt.Sprintf(_userKey, mid)
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}
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// UserInfoCache get user info to cache.
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func (d *Dao) UserInfoCache(c context.Context, mid int64) (ui *model.UserInfo, err error) {
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var (
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key = userInfoCacheKey(mid)
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conn = d.mcUser.Get(c)
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)
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defer conn.Close()
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reply, err := conn.Get(key)
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if err != nil {
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if err == memcache.ErrNotFound {
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err = nil
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return
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}
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log.Error("conn.Get(get, %s) error(%v)", key, err)
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return
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}
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ui = &model.UserInfo{}
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if err = conn.Scan(reply, ui); err != nil {
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log.Error("reply.Scan(%s) error(%v)", string(reply.Value), err)
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}
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return
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}
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// AddUserInfoCache add info to cache , return err if key is exist already.
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func (d *Dao) AddUserInfoCache(c context.Context, ui *model.UserInfo) (err error) {
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if ui == nil {
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return fmt.Errorf("AddUserInfoCache got nil *model.UserInfo")
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}
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var (
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key = userInfoCacheKey(ui.Mid)
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conn = d.mcUser.Get(c)
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)
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defer conn.Close()
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if err = conn.Add(&memcache.Item{Key: key, Object: ui, Expiration: d.mcUserExpire, Flags: memcache.FlagJSON}); err != nil {
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log.Error("conn.Add(%s, %v) error(%v)", key, ui, err)
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return
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}
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return
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}
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// SetUserInfoCache set info cache.
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func (d *Dao) SetUserInfoCache(c context.Context, ui *model.UserInfo) (err error) {
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if ui == nil {
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return fmt.Errorf("SetUserInfoCache got nil *model.UserInfo")
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}
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var (
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key = userInfoCacheKey(ui.Mid)
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conn = d.mcUser.Get(c)
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)
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defer conn.Close()
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if err = conn.Set(&memcache.Item{Key: key, Object: ui, Expiration: d.mcUserExpire, Flags: memcache.FlagJSON}); err != nil {
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log.Error("conn.Set(%s, %v) error(%v)", key, ui, err)
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}
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return
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}
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// DelInfoCache delete info cache.
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func (d *Dao) DelInfoCache(c context.Context, mid int64) (err error) {
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var (
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key = userInfoCacheKey(mid)
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conn = d.mcUser.Get(c)
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)
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defer conn.Close()
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if err = conn.Delete(key); err != nil {
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if err == memcache.ErrNotFound {
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err = nil
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return
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}
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log.Error("conn.Delete(%s) error(%v)", key, err)
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}
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return
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}
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