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d1ce07ef5d
* Load scaling functions are free, and take `Fees`. * Move LoadFeeTrack to app/misc. * Update naming convention.
72 lines
2.2 KiB
C++
72 lines
2.2 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) 2012-2014 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 <BeastConfig.h>
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#include <ripple/app/main/Application.h>
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#include <ripple/app/misc/LoadFeeTrack.h>
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#include <ripple/core/Job.h>
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#include <ripple/core/JobQueue.h>
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#include <ripple/rpc/impl/LegacyPathFind.h>
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#include <ripple/rpc/impl/Tuning.h>
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namespace ripple {
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namespace RPC {
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LegacyPathFind::LegacyPathFind (bool isAdmin, Application& app) : m_isOk (false)
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{
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if (isAdmin)
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{
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++inProgress;
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m_isOk = true;
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return;
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}
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auto const& jobCount = app.getJobQueue ().getJobCountGE (jtCLIENT);
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if (jobCount > Tuning::maxPathfindJobCount || app.getFeeTrack().isLoadedLocal ())
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return;
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while (true)
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{
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int prevVal = inProgress.load();
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if (prevVal >= Tuning::maxPathfindsInProgress)
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return;
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if (inProgress.compare_exchange_strong (
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prevVal,
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prevVal + 1,
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std::memory_order_release,
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std::memory_order_relaxed))
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{
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m_isOk = true;
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return;
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}
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}
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}
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LegacyPathFind::~LegacyPathFind ()
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{
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if (m_isOk)
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--inProgress;
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}
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std::atomic <int> LegacyPathFind::inProgress (0);
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} // RPC
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} // ripple
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