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99 lines
2.7 KiB
C++
99 lines
2.7 KiB
C++
//------------------------------------------------------------------------------
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/*
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This file is part of rippled: https://github.com/ripple/rippled
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Copyright (c) 2012, 2013 Ripple Labs Inc.
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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#ifndef RIPPLE_RIPPLELINECACHE_H
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#define RIPPLE_RIPPLELINECACHE_H
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#include <ripple/app/paths/RippleState.h>
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#include <ripple/basics/hardened_hash.h>
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#include <cstddef>
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#include <memory>
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#include <vector>
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namespace ripple {
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// Used by Pathfinder
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class RippleLineCache
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{
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public:
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typedef std::vector <RippleState::pointer> RippleStateVector;
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typedef std::shared_ptr <RippleLineCache> pointer;
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typedef pointer const& ref;
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explicit RippleLineCache (Ledger::ref l);
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Ledger::ref getLedger () // VFALCO TODO const?
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{
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return mLedger;
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}
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std::vector<RippleState::pointer> const&
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getRippleLines (Account const& accountID);
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private:
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typedef RippleMutex LockType;
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typedef std::lock_guard <LockType> ScopedLockType;
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LockType mLock;
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ripple::hardened_hash<> hasher_;
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Ledger::pointer mLedger;
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struct AccountKey
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{
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Account account_;
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std::size_t hash_value_;
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AccountKey (Account const& account, std::size_t hash)
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: account_ (account)
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, hash_value_ (hash)
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{ }
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AccountKey (AccountKey const& other) = default;
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AccountKey&
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operator=(AccountKey const& other) = default;
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bool operator== (AccountKey const& lhs) const
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{
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return hash_value_ == lhs.hash_value_ && account_ == lhs.account_;
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}
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std::size_t
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get_hash () const
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{
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return hash_value_;
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}
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struct Hash
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{
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std::size_t
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operator () (AccountKey const& key) const noexcept
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{
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return key.get_hash ();
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}
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};
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};
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hash_map <AccountKey, RippleStateVector, AccountKey::Hash> mRLMap;
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};
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} // ripple
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#endif
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