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81 lines
1.7 KiB
81 lines
1.7 KiB
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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