1 // (c) Bernhard Tittelbach, 2013
8 pubsub "github.com/tuxychandru/pubsub"
14 func MetaEventRoutine_Movement(ps *pubsub.PubSub, granularity, gran_duration int , threshold uint32) {
15 var last_movement int64
16 movement_window := ring.New(granularity+1)
17 events_chan := ps.Sub("movement")
18 myticker := time.NewTicker(time.Duration(gran_duration) * time.Second)
21 case event := <- events_chan:
23 case r3events.MovementSensorUpdate:
24 movement_window.Value = (uint32) (movement_window.Value.(uint32) + 1)
27 movement_window.Prev().Value = (uint32) (0)
28 movement_window = movement_window.Next()
30 movement_window.Do(func(v interface{}){if v != nil {movsum += v.(uint32)}})
31 ts := time.Now().Unix()
32 if movsum > threshold {
33 ps.Pub( r3events.SomethingReallyIsMoving{true,ts}, "movement")
37 if last_movement > 0 && ts - last_movement < 3600*6 && ts - last_movement > 3600*3 {
39 ps.Pub( r3events.SomethingReallyIsMoving{false, ts}, "movement")