chromium/net/base/address_tracker_linux.h

// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef NET_BASE_ADDRESS_TRACKER_LINUX_H_
#define NET_BASE_ADDRESS_TRACKER_LINUX_H_

#include <sys/socket.h>  // Needed to include netlink.

// Mask superfluous definition of |struct net|. This is fixed in Linux 2.6.38.

#define net …
#include <linux/rtnetlink.h>
#undef net
#include <stddef.h>

#include <map>
#include <memory>
#include <string>
#include <unordered_set>

#include "base/compiler_specific.h"
#include "base/files/file_descriptor_watcher_posix.h"
#include "base/files/scoped_file.h"
#include "base/functional/callback.h"
#include "base/gtest_prod_util.h"
#include "base/memory/raw_ref.h"
#include "base/sequence_checker.h"
#include "base/synchronization/condition_variable.h"
#include "base/synchronization/lock.h"
#include "base/task/sequenced_task_runner.h"
#include "base/thread_annotations.h"
#include "net/base/address_map_linux.h"
#include "net/base/ip_address.h"
#include "net/base/net_export.h"
#include "net/base/network_change_notifier.h"

namespace net::test {
class AddressTrackerLinuxTest;
}

namespace net::internal {

// Keeps track of network interface addresses using rtnetlink. Used by
// NetworkChangeNotifier to provide signals to registered IPAddressObservers.
//
// In tracking mode, this class should mostly be used on a single sequence,
// except GetAddressMap() and GetOnlineLinks() (AddressMapOwnerLinux overrides)
// which can be called on any thread. The main sequence should be able to block
// (e.g. use a base::SequencedTaskRunner with base::MayBlock()).
//
// In non-tracking mode this should be used on a single thread.
class NET_EXPORT_PRIVATE AddressTrackerLinux : public AddressMapOwnerLinux { … };

}  // namespace net::internal

#endif  // NET_BASE_ADDRESS_TRACKER_LINUX_H_