53 lines
1.1 KiB
Go
53 lines
1.1 KiB
Go
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package types
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import (
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pp "github.com/anacrolix/torrent/peer_protocol"
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)
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type PieceIndex = int
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type ChunkSpec struct {
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Begin, Length pp.Integer
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}
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type Request struct {
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Index pp.Integer
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ChunkSpec
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}
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func (r Request) ToMsg(mt pp.MessageType) pp.Message {
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return pp.Message{
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Type: mt,
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Index: r.Index,
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Begin: r.Begin,
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Length: r.Length,
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}
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}
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// Describes the importance of obtaining a particular piece.
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type PiecePriority byte
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func (pp *PiecePriority) Raise(maybe PiecePriority) bool {
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if maybe > *pp {
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*pp = maybe
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return true
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}
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return false
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}
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// Priority for use in PriorityBitmap
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func (me PiecePriority) BitmapPriority() int {
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return -int(me)
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}
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const (
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PiecePriorityNone PiecePriority = iota // Not wanted. Must be the zero value.
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PiecePriorityNormal // Wanted.
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PiecePriorityHigh // Wanted a lot.
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PiecePriorityReadahead // May be required soon.
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// Succeeds a piece where a read occurred. Currently the same as Now,
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// apparently due to issues with caching.
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PiecePriorityNext
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PiecePriorityNow // A Reader is reading in this piece. Highest urgency.
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)
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