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Break the ripple line cache into its own structure

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This commit is contained in:
JoelKatz
2013-04-30 15:57:11 -07:00
parent 297f68f371
commit 9df93f4202
3 changed files with 27 additions and 10 deletions
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11
src/cpp/ripple/Pathfinder.cpp
View File

@@ -138,7 +138,7 @@ static int getEffectiveLength(const STPath& spPath)
return length;
}
Pathfinder::Pathfinder(Ledger::ref ledger,
Pathfinder::Pathfinder(Ledger::ref ledger, RLCache::ref cache,
const RippleAddress& uSrcAccountID, const RippleAddress& uDstAccountID,
const uint160& uSrcCurrencyID, const uint160& uSrcIssuerID, const STAmount& saDstAmount, bool& bValid)
: mSrcAccountID(uSrcAccountID.getAccountID()),
@@ -147,7 +147,7 @@ Pathfinder::Pathfinder(Ledger::ref ledger,
mSrcCurrencyID(uSrcCurrencyID),
mSrcIssuerID(uSrcIssuerID),
mSrcAmount(uSrcCurrencyID, uSrcIssuerID, 1u, 0, true),
mLedger(ledger)
mLedger(ledger), mRLCache(cache)
{
if (((mSrcAccountID == mDstAccountID) && (mSrcCurrencyID == mDstAmount.getCurrency())) || mDstAmount.isZero())
@@ -443,7 +443,7 @@ bool Pathfinder::findPaths(const unsigned int iMaxSteps, const unsigned int iMax
bool bRequireAuth = isSetBit(sleEnd->getFieldU32(sfFlags), lsfRequireAuth);
bool dstCurrency = speEnd.mCurrencyID == mDstAmount.getCurrency();
AccountItems& rippleLines(getRippleLines(speEnd.mAccountID));
AccountItems& rippleLines(mRLCache->getRippleLines(speEnd.mAccountID));
std::vector< std::pair<int, uint160> > candidates;
candidates.reserve(rippleLines.getItems().size());
@@ -776,8 +776,9 @@ boost::unordered_set<uint160> usAccountDestCurrencies(const RippleAddress& raAcc
return usCurrencies;
}
AccountItems& Pathfinder::getRippleLines(const uint160& accountID)
AccountItems& RLCache::getRippleLines(const uint160& accountID)
{
boost::mutex::scoped_lock sl(mLock);
boost::unordered_map<uint160, AccountItems::pointer>::iterator it = mRLMap.find(accountID);
if (it == mRLMap.end())
it = mRLMap.insert(std::make_pair(accountID, boost::make_shared<AccountItems>
@@ -799,7 +800,7 @@ int Pathfinder::getPathsOut(const uint160& currencyID, const uint160& accountID,
return it->second;
int count = 0;
AccountItems& rippleLines(getRippleLines(accountID));
AccountItems& rippleLines(mRLCache->getRippleLines(accountID));
BOOST_FOREACH(AccountItem::ref item, rippleLines.getItems())
{
RippleState* rspEntry = (RippleState*) item.get();

20
src/cpp/ripple/Pathfinder.h
View File

@@ -35,6 +35,21 @@ public:
};
#endif
class RLCache
{
protected:
boost::mutex mLock;
Ledger::pointer mLedger;
boost::unordered_map<uint160, AccountItems::pointer> mRLMap;
public:
typedef boost::shared_ptr<RLCache> pointer;
typedef const pointer& ref;
RLCache(Ledger::ref l) : mLedger(l) { ; }
AccountItems& getRippleLines(const uint160& accountID);
};
class Pathfinder
{
uint160 mSrcAccountID;
@@ -47,6 +62,7 @@ class Pathfinder
Ledger::pointer mLedger;
PathState::pointer mPsDefault;
LoadEvent::pointer mLoadMonitor;
RLCache::pointer mRLCache;
boost::unordered_map<uint160, AccountItems::pointer> mRLMap;
boost::unordered_map<std::pair<uint160, uint160>, int> mPOMap;
@@ -63,13 +79,11 @@ class Pathfinder
bool matchesOrigin(const uint160& currency, const uint160& issuer);
AccountItems& getRippleLines(const uint160& accountID);
int getPathsOut(const uint160& currency, const uint160& accountID,
bool isAuthRequired, bool isDestCurrency, const uint160& dest);
public:
Pathfinder(Ledger::ref ledger,
Pathfinder(Ledger::ref ledger, RLCache::ref cache,
const RippleAddress& srcAccountID, const RippleAddress& dstAccountID,
const uint160& srcCurrencyID, const uint160& srcIssuerID, const STAmount& dstAmount, bool& bValid);

6
src/cpp/ripple/RPCHandler.cpp
View File

@@ -180,7 +180,8 @@ Json::Value RPCHandler::transactionSign(Json::Value jvRequest, bool bSubmit)
{
ScopedUnlock su(theApp->getMasterLock());
bool bValid;
Pathfinder pf(lSnapshot, raSrcAddressID, dstAccountID,
RLCache::pointer cache = boost::make_shared<RLCache>(lSnapshot);
Pathfinder pf(lSnapshot, cache, raSrcAddressID, dstAccountID,
saSendMax.getCurrency(), saSendMax.getIssuer(), saSend, bValid);
if (!bValid || !pf.findPaths(theConfig.PATH_SEARCH_SIZE, 3, spsPaths))
@@ -1304,6 +1305,7 @@ Json::Value RPCHandler::doRipplePathFind(Json::Value jvRequest, int& cost, Scope
jvResult["destination_account"] = raDst.humanAccountID();
Json::Value jvArray(Json::arrayValue);
RLCache::pointer cache = boost::make_shared<RLCache>(lSnapShot);
for (unsigned int i=0; i != jvSrcCurrencies.size(); ++i) {
Json::Value jvSource = jvSrcCurrencies[i];
@@ -1339,7 +1341,7 @@ Json::Value RPCHandler::doRipplePathFind(Json::Value jvRequest, int& cost, Scope
STPathSet spsComputed;
bool bValid;
Pathfinder pf(lSnapShot, raSrc, raDst, uSrcCurrencyID, uSrcIssuerID, saDstAmount, bValid);
Pathfinder pf(lSnapShot, cache, raSrc, raDst, uSrcCurrencyID, uSrcIssuerID, saDstAmount, bValid);
if (!bValid || !pf.findPaths(theConfig.PATH_SEARCH_SIZE, 3, spsComputed))
{