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66 lines
1.4 KiB
66 lines
1.4 KiB
package archive |
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import ( |
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"context" |
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"fmt" |
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"go-common/library/cache/redis" |
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"go-common/library/log" |
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) |
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const ( |
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_videoJamTime = "va_v_jam_time" |
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_editlock = "edit_lock_aid_%d" |
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) |
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func lockKey(aid int64) string { |
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return fmt.Sprintf(_editlock, aid) |
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} |
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// GetVideoJam get video traffic jam time |
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func (d *Dao) GetVideoJam(c context.Context) (seconds int, err error) { |
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var conn = d.redis.Get(c) |
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defer conn.Close() |
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if seconds, err = redis.Int(conn.Do("GET", _videoJamTime)); err != nil { |
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log.Error("conn.Do(GET,%s) error(%v)", _videoJamTime, err) |
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} |
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return |
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} |
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//SetNXLock redis lock. |
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func (d *Dao) SetNXLock(c context.Context, aid int64, times int64) (res bool, err error) { |
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var ( |
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key = lockKey(aid) |
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conn = d.redis.Get(c) |
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) |
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defer conn.Close() |
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if res, err = redis.Bool(conn.Do("SETNX", key, "1")); err != nil { |
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if err == redis.ErrNil { |
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err = nil |
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} else { |
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res = true |
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log.Error("conn.Do(SETNX(%s)) error(%v)", key, err) |
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return |
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} |
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} |
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if res { |
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if _, err = redis.Bool(conn.Do("EXPIRE", key, times)); err != nil { |
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log.Error("conn.Do(EXPIRE, %s, %d) error(%v)", key, times, err) |
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return |
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} |
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} |
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return |
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} |
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//DelLock del lock. |
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func (d *Dao) DelLock(c context.Context, aid int64) (err error) { |
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var ( |
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key = lockKey(aid) |
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conn = d.redis.Get(c) |
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) |
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defer conn.Close() |
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if _, err = conn.Do("DEL", key); err != nil { |
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log.Error("conn.Do(del,%v) err(%v)", key, err) |
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} |
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return |
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}
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