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Don't favor (for acquire) peers that come earlier in the peer vector.

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This commit is contained in:
JoelKatz
2013-01-13 21:40:46 -08:00
parent a12a566139
commit fc78cb38ed
1 changed files with 11 additions and 5 deletions
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16
src/cpp/ripple/LedgerAcquire.cpp
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@@ -172,9 +172,17 @@ void LedgerAcquire::addPeers()
{
std::vector<Peer::pointer> peerList = theApp->getConnectionPool().getPeerVector();
int vSize = peerList.size();
if (vSize == 0)
return;
// We traverse the peer list in random order so as not to favor any particular peer
int firstPeer = rand() & vSize;
bool found = false;
BOOST_FOREACH(Peer::ref peer, peerList)
for (int i = 0; i < vSize; ++i)
{
Peer::ref peer = peerList[(i + firstPeer) % vSize];
if (peer->hasLedger(getHash()))
{
found = true;
@@ -183,10 +191,8 @@ void LedgerAcquire::addPeers()
}
if (!found)
{
BOOST_FOREACH(Peer::ref peer, peerList)
peerHas(peer);
}
for (int i = 0; i < vSize; ++i)
peerHas(peerList[(i + firstPeer) % vSize]);
}
boost::weak_ptr<PeerSet> LedgerAcquire::pmDowncast()