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71 lines
1.6 KiB
C++
71 lines
1.6 KiB
C++
#ifndef __HASHEDOBJECT__
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#define __HASHEDOBJECT__
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#include <vector>
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#include <boost/thread/mutex.hpp>
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#include <boost/thread/condition_variable.hpp>
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#include "types.h"
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#include "uint256.h"
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#include "ScopedLock.h"
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#include "TaggedCache.h"
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#include "InstanceCounter.h"
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DEFINE_INSTANCE(HashedObject);
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enum HashedObjectType
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{
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hotUNKNOWN = 0,
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hotLEDGER = 1,
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hotTRANSACTION = 2,
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hotACCOUNT_NODE = 3,
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hotTRANSACTION_NODE = 4
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};
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class HashedObject : private IS_INSTANCE(HashedObject)
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{
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public:
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typedef boost::shared_ptr<HashedObject> pointer;
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HashedObjectType mType;
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uint256 mHash;
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uint32 mLedgerIndex;
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std::vector<unsigned char> mData;
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HashedObject(HashedObjectType type, uint32 index, const std::vector<unsigned char>& data, const uint256& hash) :
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mType(type), mHash(hash), mLedgerIndex(index), mData(data) { ; }
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const std::vector<unsigned char>& getData() { return mData; }
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const uint256& getHash() { return mHash; }
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HashedObjectType getType() { return mType; }
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uint32 getIndex() { return mLedgerIndex; }
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};
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class HashedObjectStore
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{
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protected:
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TaggedCache<uint256, HashedObject> mCache;
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boost::mutex mWriteMutex;
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boost::condition_variable mWriteCondition;
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std::vector< boost::shared_ptr<HashedObject> > mWriteSet;
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bool mWritePending;
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public:
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HashedObjectStore(int cacheSize, int cacheAge);
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bool store(HashedObjectType type, uint32 index, const std::vector<unsigned char>& data,
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const uint256& hash);
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HashedObject::pointer retrieve(const uint256& hash);
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void bulkWrite();
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void waitWrite();
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void sweep() { mCache.sweep(); }
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};
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#endif
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