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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/**
* Copyright (c) 2013-2016 Regents of the University of California.
*
* This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
*
* ndn-cxx library is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later version.
*
* ndn-cxx library 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 Lesser General Public License for more details.
*
* You should have received copies of the GNU General Public License and GNU Lesser
* General Public License along with ndn-cxx, e.g., in COPYING.md file. If not, see
* <http://www.gnu.org/licenses/>.
*
* See AUTHORS.md for complete list of ndn-cxx authors and contributors.
*
*
* Parts of this implementation is based on daemondo command of MacPorts
* (https://www.macports.org/):
*
* Copyright (c) 2005-2007 James Berry <jberry@macports.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of The MacPorts Project nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "ndn-cxx-config.hpp"
#ifdef NDN_CXX_HAVE_COREFOUNDATION_COREFOUNDATION_H
#include "network-monitor-impl-osx.hpp"
namespace ndn {
namespace util {
NetworkMonitor::Impl::Impl(NetworkMonitor& nm, boost::asio::io_service& io)
: m_nm(nm)
, m_scheduler(io)
, m_cfLoopEvent(m_scheduler)
{
scheduleCfLoop();
// Potentially useful System Configuration regex patterns:
//
// State:/Network/Interface/.*/Link
// State:/Network/Interface/.*/IPv4
// State:/Network/Interface/.*/IPv6
//
// State:/Network/Global/DNS
// State:/Network/Global/IPv4
//
// Potentially useful notifications from Darwin Notify Center:
//
// com.apple.system.config.network_change
//
CFNotificationCenterAddObserver(CFNotificationCenterGetDarwinNotifyCenter(),
static_cast<void*>(this),
&Impl::afterNotificationCenterEvent,
CFSTR("com.apple.system.config.network_change"),
nullptr, // object to observe
CFNotificationSuspensionBehaviorDeliverImmediately);
}
NetworkMonitor::Impl::~Impl()
{
CFNotificationCenterRemoveEveryObserver(CFNotificationCenterGetDarwinNotifyCenter(),
static_cast<void*>(this));
}
void
NetworkMonitor::Impl::afterNotificationCenterEvent(CFNotificationCenterRef center,
void *observer,
CFStringRef name,
const void *object,
CFDictionaryRef userInfo)
{
static_cast<Impl*>(observer)->m_nm.onNetworkStateChanged();
}
void
NetworkMonitor::Impl::scheduleCfLoop()
{
// poll each second for new events
m_cfLoopEvent = m_scheduler.scheduleEvent(time::seconds(1), bind(&Impl::pollCfLoop, this));
}
void
NetworkMonitor::Impl::pollCfLoop()
{
// this should dispatch ready events and exit
CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0, true);
scheduleCfLoop();
}
} // namespace util
} // namespace ndn
#endif // NDN_CXX_HAVE_COREFOUNDATION_COREFOUNDATION_H