82 lines
1.7 KiB
Go
82 lines
1.7 KiB
Go
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package dao
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import (
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"context"
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"time"
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"go-common/app/job/main/dm/conf"
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"go-common/library/cache/memcache"
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"go-common/library/cache/redis"
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"go-common/library/database/sql"
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"go-common/library/log"
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)
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const (
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_subjectSharding = 100
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_indexSharding = 1000
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)
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// Dao dao struct.
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type Dao struct {
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// redis
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redis *redis.Pool
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redisExpire int32
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// memcache
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mc *memcache.Pool
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mcExpire int32
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// mysql
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dmReader *sql.DB
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dmWriter *sql.DB
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}
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// New return dm dao instance.
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func New(c *conf.Config) (d *Dao) {
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d = &Dao{
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// redis
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redis: redis.NewPool(c.Redis.Config),
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redisExpire: int32(time.Duration(c.Redis.Expire) / time.Second),
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// memcache
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mc: memcache.NewPool(c.Memcache.Config),
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mcExpire: int32(time.Duration(c.Memcache.Expire) / time.Second),
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// mysql
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dmReader: sql.NewMySQL(c.DB.DMReader),
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dmWriter: sql.NewMySQL(c.DB.DMWriter),
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}
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return
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}
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func (d *Dao) hitSubject(oid int64) int64 {
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return oid % _subjectSharding
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}
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func (d *Dao) hitIndex(oid int64) int64 {
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return oid % _indexSharding
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}
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// Ping dm dao ping.
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func (d *Dao) Ping(c context.Context) (err error) {
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if err = d.dmWriter.Ping(c); err != nil {
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log.Error("dmWriter.Ping() error(%v)", err)
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return
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}
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if err = d.dmReader.Ping(c); err != nil {
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log.Error("dmReader.Ping() error(%v)", err)
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return
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}
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// mc
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mconn := d.mc.Get(c)
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defer mconn.Close()
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if err = mconn.Set(&memcache.Item{Key: "ping", Value: []byte("pong"), Expiration: 0}); err != nil {
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log.Error("mc.Set error(%v)", err)
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return
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}
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// dm redis
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rconn := d.redis.Get(c)
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defer rconn.Close()
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if _, err = rconn.Do("SET", "ping", "pong"); err != nil {
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rconn.Close()
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log.Error("redis.Set error(%v)", err)
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}
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return
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}
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