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dht: comment for asyncQueryBuffer

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This commit is contained in:
Juan Batiz-Benet 2014-12-08 21:55:51 -08:00
parent 93872a52fc
commit 26a44fcc06
1 changed files with 7 additions and 1 deletions
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8
routing/dht/routing.go
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@ -13,6 +13,12 @@ import (
u "github.com/jbenet/go-ipfs/util"
)
// asyncQueryBuffer is the size of buffered channels in async queries. This
// buffer allows multiple queries to execute simultaneously, return their
// results and continue querying closer peers. Note that different query
// results will wait for the channel to drain.
var asyncQueryBuffer = 10
// This file implements the Routing interface for the IpfsDHT struct.
// Basic Put/Get
@ -272,7 +278,7 @@ func (dht *IpfsDHT) FindPeer(ctx context.Context, id peer.ID) (peer.Peer, error)
// FindPeersConnectedToPeer searches for peers directly connected to a given peer.
func (dht *IpfsDHT) FindPeersConnectedToPeer(ctx context.Context, id peer.ID) (<-chan peer.Peer, error) {
peerchan := make(chan peer.Peer, 10)
peerchan := make(chan peer.Peer, asyncQueryBuffer)
peersSeen := map[string]peer.Peer{}
routeLevel := 0