bilibili-backup/app/service/main/share/dao/dao.go
2019-04-22 02:59:20 +00:00

74 lines
1.5 KiB
Go

package dao
import (
"context"
"go-common/app/service/main/share/conf"
"go-common/library/cache"
"go-common/library/cache/redis"
"go-common/library/database/sql"
"go-common/library/log"
"go-common/library/queue/databus"
)
// Dao is redis dao.
type Dao struct {
c *conf.Config
db *sql.DB
rds *redis.Pool
// cache chan
cacheCh chan func()
// databus
databus *databus.Databus
// archiveDatabus
archiveDatabus *databus.Databus
// sources
sources map[int64]struct{}
// asyncCache
asyncCache *cache.Cache
}
// New is new redis dao.
func New(c *conf.Config) (d *Dao) {
d = &Dao{
c: c,
db: sql.NewMySQL(c.DB),
rds: redis.NewPool(c.Redis),
cacheCh: make(chan func(), 1024),
databus: databus.New(c.Databus),
archiveDatabus: databus.New(c.ArchiveDatabus),
sources: make(map[int64]struct{}, len(c.Sources)),
asyncCache: cache.New(c.Worker, 1024),
}
for _, s := range c.Sources {
d.sources[s] = struct{}{}
}
return d
}
// BeginTran begin transcation.
func (d *Dao) BeginTran(c context.Context) (tx *sql.Tx, err error) {
return d.db.Begin(c)
}
// Close close
func (d *Dao) Close() {
d.db.Close()
d.rds.Close()
}
// Ping ping
func (d *Dao) Ping() (err error) {
if err = d.db.Ping(context.Background()); err != nil {
log.Error("d.db.Ping error(%v)", err)
return
}
conn := d.rds.Get(context.Background())
defer conn.Close()
if _, err = conn.Do("SET", "ping", "pong"); err != nil {
log.Error("redis.Set error(%v)", err)
return
}
return
}