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// 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_NETWORK_CHANGE_NOTIFIER_APPLE_H_
#define NET_BASE_NETWORK_CHANGE_NOTIFIER_APPLE_H_
#include <SystemConfiguration/SystemConfiguration.h>
#include <memory>
#include <optional>
#include "base/apple/scoped_cftyperef.h"
#include "base/compiler_specific.h"
#include "base/functional/callback_forward.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/scoped_refptr.h"
#include "base/synchronization/condition_variable.h"
#include "base/synchronization/lock.h"
#include "build/build_config.h"
#include "net/base/net_export.h"
#include "net/base/network_change_notifier.h"
#include "net/base/network_config_watcher_apple.h"
#include "net/base/network_interfaces.h"
#include "net/log/net_log_with_source.h"
namespace net {
class NET_EXPORT_PRIVATE NetworkChangeNotifierApple
: public NetworkChangeNotifier {
public:
NetworkChangeNotifierApple();
NetworkChangeNotifierApple(const NetworkChangeNotifierApple&) = delete;
NetworkChangeNotifierApple& operator=(const NetworkChangeNotifierApple&) = delete;
~NetworkChangeNotifierApple() override;
// NetworkChangeNotifier implementation:
ConnectionType GetCurrentConnectionType() const override;
// Forwarder just exists to keep the NetworkConfigWatcherApple API out of
// NetworkChangeNotifierApple's public API.
class Forwarder : public NetworkConfigWatcherApple::Delegate {
public:
explicit Forwarder(NetworkChangeNotifierApple* net_config_watcher)
: net_config_watcher_(net_config_watcher) {}
Forwarder(const Forwarder&) = delete;
Forwarder& operator=(const Forwarder&) = delete;
// NetworkConfigWatcherApple::Delegate implementation:
void Init() override;
void StartReachabilityNotifications() override;
void SetDynamicStoreNotificationKeys(
base::apple::ScopedCFTypeRef<SCDynamicStoreRef> store) override;
void OnNetworkConfigChange(CFArrayRef changed_keys) override;
void CleanUpOnNotifierThread() override;
private:
const raw_ptr<NetworkChangeNotifierApple> net_config_watcher_;
};
private:
friend class NetworkChangeNotifierAppleTest;
// Called on the main thread on startup, afterwards on the notifier thread.
static ConnectionType CalculateConnectionType(SCNetworkConnectionFlags flags);
// Methods directly called by the NetworkConfigWatcherApple::Delegate:
void StartReachabilityNotifications();
void SetDynamicStoreNotificationKeys(
base::apple::ScopedCFTypeRef<SCDynamicStoreRef> store);
void OnNetworkConfigChange(CFArrayRef changed_keys);
void CleanUpOnNotifierThread();
void SetInitialConnectionType();
static void ReachabilityCallback(SCNetworkReachabilityRef target,
SCNetworkConnectionFlags flags,
void* notifier);
static NetworkChangeCalculatorParams NetworkChangeCalculatorParamsMac();
#if BUILDFLAG(IS_MAC)
void SetCallbacksForTest(
base::OnceClosure initialized_callback,
base::RepeatingCallback<bool(NetworkInterfaceList*, int)>
get_network_list_callback,
base::RepeatingCallback<std::string(SCDynamicStoreRef)>
get_ipv4_primary_interface_name_callback,
base::RepeatingCallback<std::string(SCDynamicStoreRef)>
get_ipv6_primary_interface_name_callback);
#endif // BUILDFLAG(IS_MAC)
// These must be constructed before config_watcher_ to ensure
// the lock is in a valid state when Forwarder::Init is called.
ConnectionType connection_type_ = CONNECTION_UNKNOWN;
bool connection_type_initialized_ = false;
mutable base::Lock connection_type_lock_;
mutable base::ConditionVariable initial_connection_type_cv_;
base::apple::ScopedCFTypeRef<SCNetworkReachabilityRef> reachability_;
base::apple::ScopedCFTypeRef<CFRunLoopRef> run_loop_;
Forwarder forwarder_;
std::unique_ptr<NetworkConfigWatcherApple> config_watcher_;
#if BUILDFLAG(IS_MAC)
const bool reduce_ip_address_change_notification_;
base::apple::ScopedCFTypeRef<SCDynamicStoreRef> store_;
std::optional<NetworkInterfaceList> interfaces_for_network_change_check_;
std::string ipv4_primary_interface_name_;
std::string ipv6_primary_interface_name_;
base::OnceClosure initialized_callback_for_test_;
base::RepeatingCallback<bool(NetworkInterfaceList*, int)>
get_network_list_callback_;
base::RepeatingCallback<std::string(SCDynamicStoreRef)>
get_ipv4_primary_interface_name_callback_;
base::RepeatingCallback<std::string(SCDynamicStoreRef)>
get_ipv6_primary_interface_name_callback_;
#endif // BUILDFLAG(IS_MAC)
NetLogWithSource net_log_;
};
} // namespace net
#endif // NET_BASE_NETWORK_CHANGE_NOTIFIER_APPLE_H_
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