Davide Pesavento
115 lines
3.1 KiB
C++
115 lines
3.1 KiB
C++
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2014-2019, Regents of the University of California,
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* Arizona Board of Regents,
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* Colorado State University,
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* University Pierre & Marie Curie, Sorbonne University,
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* Washington University in St. Louis,
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* Beijing Institute of Technology,
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* The University of Memphis.
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*
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* This file is part of NFD (Named Data Networking Forwarding Daemon).
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* See AUTHORS.md for complete list of NFD authors and contributors.
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*
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* NFD is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Foundation,
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* either version 3 of the License, or (at your option) any later version.
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*
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* NFD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* NFD, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "tests/daemon/limited-io.hpp"
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#include "tests/test-common.hpp"
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#include "common/global.hpp"
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#include <boost/exception/diagnostic_information.hpp>
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namespace nfd {
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namespace tests {
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const int LimitedIo::UNLIMITED_OPS = std::numeric_limits<int>::max();
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const time::nanoseconds LimitedIo::UNLIMITED_TIME = time::nanoseconds::min();
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LimitedIo::LimitedIo(GlobalIoTimeFixture* fixture)
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: m_fixture(fixture)
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{
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}
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LimitedIo::StopReason
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LimitedIo::run(int nOpsLimit, time::nanoseconds timeLimit, time::nanoseconds tick)
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{
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BOOST_ASSERT(!m_isRunning);
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if (nOpsLimit <= 0) {
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return EXCEED_OPS;
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}
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m_isRunning = true;
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m_reason = NO_WORK;
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m_nOpsRemaining = nOpsLimit;
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if (timeLimit >= 0_ns) {
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m_timeout = getScheduler().schedule(timeLimit, [this] { afterTimeout(); });
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}
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try {
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if (m_fixture == nullptr) {
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getGlobalIoService().run();
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}
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else {
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// timeLimit is enforced by afterTimeout
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m_fixture->advanceClocks(tick, time::nanoseconds::max());
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}
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}
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catch (const StopException&) {
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}
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catch (...) {
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BOOST_WARN_MESSAGE(false, boost::current_exception_diagnostic_information());
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m_reason = EXCEPTION;
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m_lastException = std::current_exception();
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}
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getGlobalIoService().reset();
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m_timeout.cancel();
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m_isRunning = false;
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return m_reason;
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}
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void
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LimitedIo::afterOp()
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{
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if (!m_isRunning) {
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// Do not proceed further if .afterOp() is invoked out of .run(),
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return;
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}
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--m_nOpsRemaining;
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if (m_nOpsRemaining <= 0) {
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m_reason = EXCEED_OPS;
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getGlobalIoService().stop();
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if (m_fixture != nullptr) {
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NDN_THROW(StopException());
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}
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}
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}
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void
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LimitedIo::afterTimeout()
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{
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m_reason = EXCEED_TIME;
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getGlobalIoService().stop();
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if (m_fixture != nullptr) {
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NDN_THROW(StopException());
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}
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}
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} // namespace tests
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} // namespace nfd
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