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122 lines
3.3 KiB
C++
122 lines
3.3 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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#include <ripple/app/ledger/TransactionMaster.h>
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#include <ripple/app/misc/Transaction.h>
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#include <ripple/app/main/Application.h>
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#include <ripple/protocol/STTx.h>
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#include <ripple/basics/Log.h>
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#include <ripple/basics/chrono.h>
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namespace ripple {
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TransactionMaster::TransactionMaster (Application& app)
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: mApp (app)
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, mCache ("TransactionCache", 65536, 1800, stopwatch(),
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mApp.journal("TaggedCache"))
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{
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}
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bool TransactionMaster::inLedger (uint256 const& hash, std::uint32_t ledger)
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{
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auto txn = mCache.fetch (hash);
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if (!txn)
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return false;
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txn->setStatus (COMMITTED, ledger);
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return true;
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}
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std::shared_ptr<Transaction>
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TransactionMaster::fetch (uint256 const& txnID, bool checkDisk)
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{
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auto txn = mCache.fetch (txnID);
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if (!checkDisk || txn)
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return txn;
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txn = Transaction::load (txnID, mApp);
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if (!txn)
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return txn;
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mCache.canonicalize (txnID, txn);
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return txn;
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}
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std::shared_ptr<STTx const>
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TransactionMaster::fetch (std::shared_ptr<SHAMapItem> const& item,
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SHAMapTreeNode::TNType type,
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bool checkDisk, std::uint32_t uCommitLedger)
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{
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std::shared_ptr<STTx const> txn;
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auto iTx = fetch (item->key(), false);
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if (!iTx)
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{
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if (type == SHAMapTreeNode::tnTRANSACTION_NM)
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{
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SerialIter sit (item->slice());
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txn = std::make_shared<STTx const> (std::ref (sit));
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}
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else if (type == SHAMapTreeNode::tnTRANSACTION_MD)
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{
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auto blob = SerialIter{item->data(), item->size()}.getVL();
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txn = std::make_shared<STTx const>(SerialIter{blob.data(), blob.size()});
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}
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}
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else
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{
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if (uCommitLedger)
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iTx->setStatus (COMMITTED, uCommitLedger);
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txn = iTx->getSTransaction ();
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}
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return txn;
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}
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void
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TransactionMaster::canonicalize(std::shared_ptr<Transaction>* pTransaction)
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{
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uint256 const tid = (*pTransaction)->getID();
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if (tid != beast::zero)
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{
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auto txn = *pTransaction;
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// VFALCO NOTE canonicalize can change the value of txn!
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mCache.canonicalize(tid, txn);
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*pTransaction = txn;
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}
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}
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void TransactionMaster::sweep (void)
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{
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mCache.sweep ();
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}
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TaggedCache <uint256, Transaction>& TransactionMaster::getCache()
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{
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return mCache;
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}
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} // ripple
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