bilibili-backup/app/service/main/coupon/dao/dao.go

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2019-04-22 10:59:20 +08:00
package dao
import (
"context"
"time"
"go-common/app/service/main/coupon/conf"
"go-common/library/cache/memcache"
xsql "go-common/library/database/sql"
bm "go-common/library/net/http/blademaster"
"go-common/library/stat/prom"
)
// Dao dao
type Dao struct {
c *conf.Config
mc *memcache.Pool
db *xsql.DB
errProm *prom.Prom
mcExpire int32
prizeExpire int32
client *bm.Client
}
// New init mysql db
func New(c *conf.Config) (dao *Dao) {
dao = &Dao{
c: c,
mc: memcache.NewPool(c.Memcache.Config),
db: xsql.NewMySQL(c.MySQL),
errProm: prom.BusinessErrCount,
mcExpire: int32(time.Duration(c.Memcache.Expire) / time.Second),
prizeExpire: int32(time.Duration(c.Memcache.PrizeExpire) / time.Second),
client: bm.NewClient(c.HTTPClient),
}
return
}
// Close close the resource.
func (d *Dao) Close() {
d.mc.Close()
d.db.Close()
}
// Ping dao ping
func (d *Dao) Ping(c context.Context) (err error) {
if err = d.db.Ping(c); err != nil {
d.errProm.Incr("ping_db")
return
}
err = d.pingMC(c)
return
}
// pingMc ping
func (d *Dao) pingMC(c context.Context) (err error) {
conn := d.mc.Get(c)
defer conn.Close()
item := memcache.Item{Key: "ping", Value: []byte{1}, Expiration: d.mcExpire}
return conn.Set(&item)
}