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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_MAC_H_
#define NET_BASE_NETWORK_CHANGE_NOTIFIER_MAC_H_
#include <SystemConfiguration/SystemConfiguration.h>
#include <memory>
#include "base/apple/scoped_cftyperef.h"
#include "base/compiler_specific.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/network_change_notifier.h"
#include "net/base/network_config_watcher_mac.h"
namespace net {
class NetworkChangeNotifierMac: public NetworkChangeNotifier {
public:
NetworkChangeNotifierMac();
NetworkChangeNotifierMac(const NetworkChangeNotifierMac&) = delete;
NetworkChangeNotifierMac& operator=(const NetworkChangeNotifierMac&) = delete;
~NetworkChangeNotifierMac() override;
// NetworkChangeNotifier implementation:
ConnectionType GetCurrentConnectionType() const override;
// Forwarder just exists to keep the NetworkConfigWatcherMac API out of
// NetworkChangeNotifierMac's public API.
class Forwarder : public NetworkConfigWatcherMac::Delegate {
public:
explicit Forwarder(NetworkChangeNotifierMac* net_config_watcher)
: net_config_watcher_(net_config_watcher) {}
Forwarder(const Forwarder&) = delete;
Forwarder& operator=(const Forwarder&) = delete;
// NetworkConfigWatcherMac::Delegate implementation:
void Init() override;
void StartReachabilityNotifications() override;
void SetDynamicStoreNotificationKeys(SCDynamicStoreRef store) override;
void OnNetworkConfigChange(CFArrayRef changed_keys) override;
private:
const raw_ptr<NetworkChangeNotifierMac> net_config_watcher_;
};
private:
// Called on the main thread on startup, afterwards on the notifier thread.
static ConnectionType CalculateConnectionType(SCNetworkConnectionFlags flags);
// Methods directly called by the NetworkConfigWatcherMac::Delegate:
void StartReachabilityNotifications();
void SetDynamicStoreNotificationKeys(SCDynamicStoreRef store);
void OnNetworkConfigChange(CFArrayRef changed_keys);
void SetInitialConnectionType();
static void ReachabilityCallback(SCNetworkReachabilityRef target,
SCNetworkConnectionFlags flags,
void* notifier);
static NetworkChangeCalculatorParams NetworkChangeCalculatorParamsMac();
// 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<const NetworkConfigWatcherMac> config_watcher_;
};
} // namespace net
#endif // NET_BASE_NETWORK_CHANGE_NOTIFIER_MAC_H_
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