51 lines
872 B
Go
51 lines
872 B
Go
package torrent
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import (
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rbm "github.com/RoaringBitmap/roaring"
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roaring "github.com/RoaringBitmap/roaring/BitSliceIndexing"
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)
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type pendingRequests struct {
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m *roaring.BSI
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}
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func (p *pendingRequests) Dec(r RequestIndex) {
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_r := uint64(r)
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prev, _ := p.m.GetValue(_r)
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if prev <= 0 {
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panic(prev)
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}
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p.m.SetValue(_r, prev-1)
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}
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func (p *pendingRequests) Inc(r RequestIndex) {
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_r := uint64(r)
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prev, _ := p.m.GetValue(_r)
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p.m.SetValue(_r, prev+1)
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}
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func (p *pendingRequests) Init(maxIndex RequestIndex) {
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p.m = roaring.NewDefaultBSI()
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}
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var allBits rbm.Bitmap
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func init() {
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allBits.AddRange(0, rbm.MaxRange)
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}
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func (p *pendingRequests) AssertEmpty() {
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if p.m == nil {
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panic(p.m)
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}
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sum, _ := p.m.Sum(&allBits)
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if sum != 0 {
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panic(sum)
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}
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}
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func (p *pendingRequests) Get(r RequestIndex) int {
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count, _ := p.m.GetValue(uint64(r))
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return int(count)
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}
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