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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef NET_BASE_NETWORK_CHANGE_NOTIFIER_MAC_H_ | |
6 #define NET_BASE_NETWORK_CHANGE_NOTIFIER_MAC_H_ | |
7 | |
8 #include <SystemConfiguration/SystemConfiguration.h> | |
9 | |
10 #include "base/basictypes.h" | |
11 #include "base/compiler_specific.h" | |
12 #include "base/mac/scoped_cftyperef.h" | |
13 #include "base/memory/scoped_ptr.h" | |
14 #include "base/synchronization/condition_variable.h" | |
15 #include "base/synchronization/lock.h" | |
16 #include "net/base/network_change_notifier.h" | |
17 #include "net/base/network_config_watcher_mac.h" | |
18 | |
19 namespace net { | |
20 | |
21 class NetworkChangeNotifierMac: public NetworkChangeNotifier { | |
22 public: | |
23 NetworkChangeNotifierMac(); | |
24 ~NetworkChangeNotifierMac() override; | |
25 | |
26 // NetworkChangeNotifier implementation: | |
27 ConnectionType GetCurrentConnectionType() const override; | |
28 | |
29 // Forwarder just exists to keep the NetworkConfigWatcherMac API out of | |
30 // NetworkChangeNotifierMac's public API. | |
31 class Forwarder : public NetworkConfigWatcherMac::Delegate { | |
32 public: | |
33 explicit Forwarder(NetworkChangeNotifierMac* net_config_watcher) | |
34 : net_config_watcher_(net_config_watcher) {} | |
35 | |
36 // NetworkConfigWatcherMac::Delegate implementation: | |
37 void Init() override; | |
38 void StartReachabilityNotifications() override; | |
39 void SetDynamicStoreNotificationKeys(SCDynamicStoreRef store) override; | |
40 void OnNetworkConfigChange(CFArrayRef changed_keys) override; | |
41 | |
42 private: | |
43 NetworkChangeNotifierMac* const net_config_watcher_; | |
44 DISALLOW_COPY_AND_ASSIGN(Forwarder); | |
45 }; | |
46 | |
47 private: | |
48 class DnsConfigServiceThread; | |
49 | |
50 // Methods directly called by the NetworkConfigWatcherMac::Delegate: | |
51 void StartReachabilityNotifications(); | |
52 void SetDynamicStoreNotificationKeys(SCDynamicStoreRef store); | |
53 void OnNetworkConfigChange(CFArrayRef changed_keys); | |
54 | |
55 void SetInitialConnectionType(); | |
56 | |
57 static void ReachabilityCallback(SCNetworkReachabilityRef target, | |
58 SCNetworkConnectionFlags flags, | |
59 void* notifier); | |
60 | |
61 static NetworkChangeCalculatorParams NetworkChangeCalculatorParamsMac(); | |
62 | |
63 // These must be constructed before config_watcher_ to ensure | |
64 // the lock is in a valid state when Forwarder::Init is called. | |
65 ConnectionType connection_type_; | |
66 bool connection_type_initialized_; | |
67 mutable base::Lock connection_type_lock_; | |
68 mutable base::ConditionVariable initial_connection_type_cv_; | |
69 base::ScopedCFTypeRef<SCNetworkReachabilityRef> reachability_; | |
70 base::ScopedCFTypeRef<CFRunLoopRef> run_loop_; | |
71 | |
72 Forwarder forwarder_; | |
73 scoped_ptr<const NetworkConfigWatcherMac> config_watcher_; | |
74 | |
75 scoped_ptr<DnsConfigServiceThread> dns_config_service_thread_; | |
76 | |
77 DISALLOW_COPY_AND_ASSIGN(NetworkChangeNotifierMac); | |
78 }; | |
79 | |
80 } // namespace net | |
81 | |
82 #endif // NET_BASE_NETWORK_CHANGE_NOTIFIER_MAC_H_ | |
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