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storage/memorybysubnet: fix TODOs

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This commit is contained in:
Jimmy Zelinskie 2017-02-02 20:22:00 -05:00
parent 7f7c79bdf1
commit bd02be6ab5
1 changed files with 27 additions and 7 deletions
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34
storage/memorybysubnet/peer_store.go
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@ -238,8 +238,7 @@ func (s *peerStore) DeleteSeeder(ih bittorrent.InfoHash, p bittorrent.Peer) erro
delete(shard.swarms[ih].seeders[mask], pk)
// TODO(jzelinskie): fix this to sum all peers in all subnets
if len(shard.swarms[ih].seeders)|len(shard.swarms[ih].leechers) == 0 {
if shard.swarms[ih].lenSeeders()|shard.swarms[ih].lenLeechers() == 0 {
delete(shard.swarms, ih)
recordInfohashesDelta(-1)
}
@ -303,8 +302,7 @@ func (s *peerStore) DeleteLeecher(ih bittorrent.InfoHash, p bittorrent.Peer) err
delete(shard.swarms[ih].leechers[mask], pk)
// TODO(jzelinskie): fix this to sum all peers in all subnets
if len(shard.swarms[ih].seeders)|len(shard.swarms[ih].leechers) == 0 {
if shard.swarms[ih].lenSeeders()|shard.swarms[ih].lenLeechers() == 0 {
delete(shard.swarms, ih)
recordInfohashesDelta(-1)
}
@ -345,7 +343,6 @@ func (s *peerStore) GraduateLeecher(ih bittorrent.InfoHash, p bittorrent.Peer) e
return nil
}
// TODO(jzelinskie): update iterations to be over
func (s *peerStore) AnnouncePeers(ih bittorrent.InfoHash, seeder bool, numWant int, announcer bittorrent.Peer) (peers []bittorrent.Peer, err error) {
select {
case <-s.closed:
@ -379,6 +376,10 @@ func (s *peerStore) AnnouncePeers(ih bittorrent.InfoHash, seeder bool, numWant i
// Append the rest of the leechers.
if numWant > 0 {
for subnet := range shard.swarms[ih].leechers {
if subnet == mask {
continue
}
for p := range shard.swarms[ih].leechers[subnet] {
if numWant == 0 {
break
@ -403,9 +404,25 @@ func (s *peerStore) AnnouncePeers(ih bittorrent.InfoHash, seeder bool, numWant i
numWant--
}
// Append as many close leechers as possible.
closestLeechers := shard.swarms[ih].leechers[mask]
for p := range closestLeechers {
if numWant == 0 {
break
}
decodedPeer := decodePeerKey(p)
peers = append(peers, decodedPeer)
numWant--
}
// Append as the rest of the seeders.
if numWant > 0 {
for subnet := range shard.swarms[ih].seeders {
if subnet == mask {
continue
}
for p := range shard.swarms[ih].seeders[subnet] {
if numWant == 0 {
break
@ -418,10 +435,13 @@ func (s *peerStore) AnnouncePeers(ih bittorrent.InfoHash, seeder bool, numWant i
}
}
// Append leechers until we reach numWant.
// TODO(jzelinskie): do we want close leechers before random seeders?
// Append the rest of the leechers.
if numWant > 0 {
for subnet := range shard.swarms[ih].leechers {
if subnet == mask {
continue
}
for p := range shard.swarms[ih].leechers[subnet] {
if numWant == 0 {
break