lotus/extern/sector-storage/request_queue.go

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package sectorstorage
import "sort"
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type requestQueue []*workerRequest
func (q requestQueue) Len() int { return len(q) }
func (q requestQueue) Less(i, j int) bool {
oneMuchLess, muchLess := q[i].taskType.MuchLess(q[j].taskType)
if oneMuchLess {
return muchLess
}
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if q[i].priority != q[j].priority {
return q[i].priority > q[j].priority
}
if q[i].taskType != q[j].taskType {
return q[i].taskType.Less(q[j].taskType)
}
return q[i].sector.Number < q[j].sector.Number // optimize minerActor.NewSectors bitfield
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}
func (q requestQueue) Swap(i, j int) {
q[i], q[j] = q[j], q[i]
q[i].index = i
q[j].index = j
}
func (q *requestQueue) Push(x *workerRequest) {
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n := len(*q)
item := x
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item.index = n
*q = append(*q, item)
sort.Sort(q)
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}
func (q *requestQueue) Remove(i int) *workerRequest {
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old := *q
n := len(old)
item := old[i]
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old[i] = old[n-1]
old[n-1] = nil
item.index = -1
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*q = old[0 : n-1]
sort.Sort(q)
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return item
}