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80 lines
2.6 KiB
C++
80 lines
2.6 KiB
C++
//------------------------------------------------------------------------------
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/*
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Copyright (c) 2011-2013, OpenCoin, Inc.
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*/
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//==============================================================================
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#ifndef ORDERBOOK_DB_H
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#define ORDERBOOK_DB_H
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//
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// XXX Eventually make this cached and just update it as transactions come in.
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// But, for now it is probably faster to just generate it each time.
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//
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typedef std::pair<uint160, uint160> currencyIssuer_t;
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#ifdef C11X
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typedef std::pair<const uint160&, const uint160&> currencyIssuer_ct;
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#else
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typedef std::pair<uint160, uint160> currencyIssuer_ct; // C++ defect 106
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#endif
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class BookListeners
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{
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public:
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typedef boost::shared_ptr<BookListeners> pointer;
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BookListeners ();
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void addSubscriber (InfoSub::ref sub);
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void removeSubscriber (uint64 sub);
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void publish (Json::Value& jvObj);
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private:
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typedef RippleRecursiveMutex LockType;
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typedef LockType::ScopedLockType ScopedLockType;
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LockType mLock;
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boost::unordered_map<uint64, InfoSub::wptr> mListeners;
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};
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class OrderBookDB : LeakChecked <OrderBookDB>
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{
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public:
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OrderBookDB ();
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void setup (Ledger::ref ledger);
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void invalidate ();
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// return list of all orderbooks that want this issuerID and currencyID
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void getBooksByTakerPays (const uint160& issuerID, const uint160& currencyID,
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std::vector<OrderBook::pointer>& bookRet);
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void getBooksByTakerGets (const uint160& issuerID, const uint160& currencyID,
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std::vector<OrderBook::pointer>& bookRet);
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BookListeners::pointer getBookListeners (const uint160& currencyPays, const uint160& currencyGets,
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const uint160& issuerPays, const uint160& issuerGets);
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BookListeners::pointer makeBookListeners (const uint160& currencyPays, const uint160& currencyGets,
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const uint160& issuerPays, const uint160& issuerGets);
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// see if this txn effects any orderbook
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void processTxn (Ledger::ref ledger, const AcceptedLedgerTx& alTx, Json::Value& jvObj);
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private:
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boost::unordered_map< currencyIssuer_t, std::vector<OrderBook::pointer> > mSourceMap; // by ci/ii
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typedef RippleRecursiveMutex LockType;
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typedef LockType::ScopedLockType ScopedLockType;
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LockType mLock;
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boost::unordered_map< currencyIssuer_t, std::vector<OrderBook::pointer> > mDestMap; // by co/io
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// issuerPays, issuerGets, currencyPays, currencyGets
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std::map<uint160, std::map<uint160, std::map<uint160, std::map<uint160, BookListeners::pointer> > > > mListeners;
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uint32 mSeq;
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};
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#endif
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// vim:ts=4
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