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When metainfo isn't complete, treat peers that don't support ut_metadata as useless

This commit is contained in:
Matt Joiner 2014-12-01 03:27:52 -06:00
parent 54ea32ddc4
commit e6ffa95fb4
1 changed files with 17 additions and 6 deletions
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21
worst_conns.go
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@ -26,21 +26,32 @@ func (me *worstConns) Push(x interface{}) {
}
type worstConnsSortKey struct {
level int
// Peer has something we want.
useless bool
// A fabricated duration since peer was last helpful.
age time.Duration
}
func (me worstConnsSortKey) Less(other worstConnsSortKey) bool {
if me.level != other.level {
return me.level > other.level
if me.useless != other.useless {
return me.useless
}
return me.age > other.age
}
func (me worstConns) key(i int) (key worstConnsSortKey) {
c := me.c[i]
if time.Now().Sub(c.completedHandshake) >= 30*time.Second && !me.t.connHasWantedPieces(c) {
key.level = 1
// Peer has had time to declare what they have.
if time.Now().Sub(c.completedHandshake) >= 30*time.Second {
if !me.t.haveInfo() {
if _, ok := c.PeerExtensionIDs["ut_metadata"]; !ok {
key.useless = true
}
} else {
if !me.t.connHasWantedPieces(c) {
key.useless = true
}
}
}
key.age = time.Duration(1+3*c.UnwantedChunksReceived) * time.Now().Sub(func() time.Time {
if !c.lastUsefulChunkReceived.IsZero() {