116 lines
2.6 KiB
Go
116 lines
2.6 KiB
Go
package dao
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import (
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"context"
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"fmt"
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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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_prefixUUID = "uuid_%d_%s"
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_prefixCD = "cd_%d_%d"
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)
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func uuidKey(biz int64, uuid string) string {
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return fmt.Sprintf(_prefixUUID, biz, uuid)
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}
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func cdKey(app, mid int64) string {
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return fmt.Sprintf(_prefixCD, app, mid)
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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.mc.Get(c)
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defer conn.Close()
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item := memcache.Item{Key: "ping", Value: []byte{1}, Expiration: d.mcUUIDExpire}
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err = conn.Set(&item)
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return
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}
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// ExistsUUIDCache gets uuid from cache.
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func (d *Dao) ExistsUUIDCache(c context.Context, biz int64, uuid string) (exist bool, err error) {
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var (
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conn = d.mc.Get(c)
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key = uuidKey(biz, uuid)
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)
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defer conn.Close()
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if _, err = conn.Get(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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PromError("mc:get uuid")
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log.Error("ExistsUUIDCache() conn.Get(%s) error(%v)", key, err)
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return
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}
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exist = true
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return
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}
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// AddUUIDCache adds uuid cache.
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func (d *Dao) AddUUIDCache(c context.Context, biz int64, uuid string) (err error) {
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var (
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conn = d.mc.Get(c)
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key = uuidKey(biz, uuid)
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item = &memcache.Item{Key: key, Value: []byte{}, Expiration: d.mcUUIDExpire}
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)
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defer conn.Close()
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if err = conn.Set(item); err != nil {
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PromError("mc:add uuid")
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log.Error("AddUUIDCache() conn.Set(%+v) error(%v)", item, err)
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}
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return
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}
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// DelUUIDCache delete uuid cache.
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func (d *Dao) DelUUIDCache(c context.Context, biz int64, uuid string) (err error) {
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var (
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conn = d.mc.Get(c)
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key = uuidKey(biz, uuid)
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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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PromError("mc:del uuid")
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log.Error("DelUUIDCache(%s) error(%v)", key, err)
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}
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return
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}
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// ExistsCDCache gets cd from cache.
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func (d *Dao) ExistsCDCache(ctx context.Context, app, mid int64) (exist bool, err error) {
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var (
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conn = d.mc.Get(ctx)
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key = cdKey(app, mid)
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)
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defer conn.Close()
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if _, err = conn.Get(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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PromError("mc:get cd")
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log.Error("ExistsCDCache() conn.Get(%s) error(%v)", key, err)
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return
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}
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exist = true
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return
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}
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// AddCDCache adds cd cache.
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func (d *Dao) AddCDCache(ctx context.Context, app, mid int64) (err error) {
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var (
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conn = d.mc.Get(ctx)
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key = cdKey(app, mid)
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item = &memcache.Item{Key: key, Value: []byte{}, Expiration: d.mcCDExpire}
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)
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defer conn.Close()
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if err = conn.Set(item); err != nil {
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PromError("mc:add cd")
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log.Error("AddCDCache() conn.Set(%+v) error(%v)", item, err)
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}
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return
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}
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