blob: 2779b2464179463f0b0993c2756f0288ef67b03b [file] [log] [blame]
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2014-2019, Regents of the University of California,
* Arizona Board of Regents,
* Colorado State University,
* University Pierre & Marie Curie, Sorbonne University,
* Washington University in St. Louis,
* Beijing Institute of Technology,
* The University of Memphis.
*
* This file is part of NFD (Named Data Networking Forwarding Daemon).
* See AUTHORS.md for complete list of NFD authors and contributors.
*
* NFD is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Foundation,
* either version 3 of the License, or (at your option) any later version.
*
* NFD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* NFD, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
*/
#include "limited-io.hpp"
#include "core/logger.hpp"
#include "daemon/global.hpp"
#include <boost/exception/diagnostic_information.hpp>
namespace nfd {
namespace tests {
NFD_LOG_INIT(tests.LimitedIo);
const int LimitedIo::UNLIMITED_OPS = std::numeric_limits<int>::max();
const time::nanoseconds LimitedIo::UNLIMITED_TIME = time::nanoseconds::min();
LimitedIo::LimitedIo(UnitTestTimeFixture* uttf)
: m_uttf(uttf)
{
}
LimitedIo::StopReason
LimitedIo::run(int nOpsLimit, const time::nanoseconds& timeLimit, const time::nanoseconds& tick)
{
BOOST_ASSERT(!m_isRunning);
if (nOpsLimit <= 0) {
return EXCEED_OPS;
}
m_isRunning = true;
m_reason = NO_WORK;
m_nOpsRemaining = nOpsLimit;
if (timeLimit >= 0_ns) {
m_timeout = getScheduler().schedule(timeLimit, [this] { afterTimeout(); });
}
try {
if (m_uttf == nullptr) {
getGlobalIoService().run();
}
else {
// timeLimit is enforced by afterTimeout
m_uttf->advanceClocks(tick, time::nanoseconds::max());
}
}
catch (const StopException&) {
}
catch (const std::exception& ex) {
NFD_LOG_ERROR("LimitedIo::run: " << boost::diagnostic_information(ex));
m_reason = EXCEPTION;
m_lastException = std::current_exception();
}
getGlobalIoService().reset();
m_timeout.cancel();
m_isRunning = false;
return m_reason;
}
void
LimitedIo::afterOp()
{
if (!m_isRunning) {
// Do not proceed further if .afterOp() is invoked out of .run(),
return;
}
--m_nOpsRemaining;
if (m_nOpsRemaining <= 0) {
m_reason = EXCEED_OPS;
getGlobalIoService().stop();
if (m_uttf != nullptr) {
NDN_THROW(StopException());
}
}
}
void
LimitedIo::afterTimeout()
{
m_reason = EXCEED_TIME;
getGlobalIoService().stop();
if (m_uttf != nullptr) {
NDN_THROW(StopException());
}
}
} // namespace tests
} // namespace nfd