Fix a bug where a node doesn't get a chance to finish acquiring a TX set

before all nodes forget it because they're done with it, leaving a node
behind the consensus.
This commit is contained in:
JoelKatz
2012-12-27 20:25:12 -08:00
parent 9f072fcac6
commit a169167030
3 changed files with 27 additions and 1 deletions

View File

@@ -827,7 +827,6 @@ SHAMap::pointer LedgerConsensus::getTransactionTree(const uint256& hash, bool do
SHAMap::pointer currentMap = theApp->getLedgerMaster().getCurrentLedger()->peekTransactionMap();
if (currentMap->getHash() == hash)
{
cLog(lsINFO) << "node proposes our open transaction set";
currentMap = currentMap->snapShot(false);
mapComplete(hash, currentMap, false);
return currentMap;
@@ -1193,6 +1192,9 @@ uint32 LedgerConsensus::roundCloseTime(uint32 closeTime)
void LedgerConsensus::accept(SHAMap::ref set, LoadEvent::pointer)
{
if (set->getHash().isNonZero())
theApp->getOPs().takePosition(mPreviousLedger->getLedgerSeq(), set);
boost::recursive_mutex::scoped_lock masterLock(theApp->getMasterLock());
assert(set->getHash() == mOurPosition->getCurrentHash());

View File

@@ -906,11 +906,32 @@ void NetworkOPs::processTrustedProposal(LedgerProposal::pointer proposal,
SHAMap::pointer NetworkOPs::getTXMap(const uint256& hash)
{
std::map<uint256, std::pair<int, SHAMap::pointer> >::iterator it = mRecentPositions.find(hash);
if (it != mRecentPositions.end())
return it->second.second;
if (!haveConsensusObject())
return SHAMap::pointer();
return mConsensus->getTransactionTree(hash, false);
}
void NetworkOPs::takePosition(int seq, SHAMap::ref position)
{
mRecentPositions[position->getHash()] = std::make_pair(seq, position);
if (mRecentPositions.size() > 4)
{
std::map<uint256, std::pair<int, SHAMap::pointer> >::iterator it = mRecentPositions.begin();
while (it != mRecentPositions.end())
{
if (it->second.first < (seq - 2))
{
mRecentPositions.erase(it);
return;
}
++it;
}
}
}
SMAddNode NetworkOPs::gotTXData(const boost::shared_ptr<Peer>& peer, const uint256& hash,
const std::list<SHAMapNode>& nodeIDs, const std::list< std::vector<unsigned char> >& nodeData)
{

View File

@@ -88,6 +88,8 @@ protected:
uint32 mLastValidationTime;
SerializedValidation::pointer mLastValidation;
// Recent positions taken
std::map<uint256, std::pair<int, SHAMap::pointer> > mRecentPositions;
// XXX Split into more locks.
boost::recursive_mutex mMonitorLock;
@@ -209,6 +211,7 @@ public:
SMAddNode gotTXData(const boost::shared_ptr<Peer>& peer, const uint256& hash,
const std::list<SHAMapNode>& nodeIDs, const std::list< std::vector<unsigned char> >& nodeData);
bool recvValidation(const SerializedValidation::pointer& val);
void takePosition(int seq, SHAMap::ref position);
SHAMap::pointer getTXMap(const uint256& hash);
bool hasTXSet(const boost::shared_ptr<Peer>& peer, const uint256& set, ripple::TxSetStatus status);
void mapComplete(const uint256& hash, SHAMap::ref map);