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 CHROMEOS_NETWORK_NETWORK_CHANGE_NOTIFIER_CHROMEOS_H_
6#define CHROMEOS_NETWORK_NETWORK_CHANGE_NOTIFIER_CHROMEOS_H_
7
8#include <string>
9
10#include "base/basictypes.h"
11#include "base/gtest_prod_util.h"
12#include "base/memory/scoped_ptr.h"
13#include "chromeos/chromeos_export.h"
14#include "chromeos/dbus/power_manager_client.h"
15#include "chromeos/network/network_state_handler_observer.h"
16#include "net/base/network_change_notifier.h"
17
18namespace chromeos {
19
20class CHROMEOS_EXPORT NetworkChangeNotifierChromeos
21    : public net::NetworkChangeNotifier,
22      public chromeos::PowerManagerClient::Observer,
23      public chromeos::NetworkStateHandlerObserver {
24 public:
25  NetworkChangeNotifierChromeos();
26  virtual ~NetworkChangeNotifierChromeos();
27
28  // Starts observing changes from the network state handler.
29  void Initialize();
30
31  // Stops observing changes from the network state handler.
32  void Shutdown();
33
34  // NetworkChangeNotifier overrides.
35  virtual net::NetworkChangeNotifier::ConnectionType
36      GetCurrentConnectionType() const OVERRIDE;
37
38  // PowerManagerClient::Observer overrides.
39  virtual void SuspendDone(const base::TimeDelta& sleep_duration) OVERRIDE;
40
41  // NetworkStateHandlerObserver overrides.
42  virtual void DefaultNetworkChanged(
43      const chromeos::NetworkState* default_network) OVERRIDE;
44
45 private:
46  FRIEND_TEST_ALL_PREFIXES(NetworkChangeNotifierChromeosTest,
47                           ConnectionTypeFromShill);
48  friend class NetworkChangeNotifierChromeosUpdateTest;
49
50  class DnsConfigService;
51
52  // Updates the notifier state based on a default network update.
53  // |connection_type_changed| is set to true if we must report a connection
54  // type change.
55  // |ip_address_changed| is set to true if we must report an IP address change.
56  // |dns_changed| is set to true if we must report a DNS config change.
57  void UpdateState(const chromeos::NetworkState* default_network,
58                   bool* connection_type_changed,
59                   bool* ip_address_changed,
60                   bool* dns_changed);
61
62  // Maps the shill network type and technology to its NetworkChangeNotifier
63  // equivalent.
64  static net::NetworkChangeNotifier::ConnectionType
65      ConnectionTypeFromShill(const std::string& type,
66                              const std::string& technology);
67
68  // Calculates parameters used for network change notifier online/offline
69  // signals.
70  static net::NetworkChangeNotifier::NetworkChangeCalculatorParams
71      NetworkChangeCalculatorParamsChromeos();
72
73  NetworkChangeNotifier::ConnectionType connection_type_;
74  // IP address for the current default network.
75  std::string ip_address_;
76  // DNS servers for the current default network.
77  std::vector<std::string> dns_servers_;
78  // Service path for the current default network.
79  std::string service_path_;
80
81  scoped_ptr<DnsConfigService> dns_config_service_;
82
83  DISALLOW_COPY_AND_ASSIGN(NetworkChangeNotifierChromeos);
84};
85
86}  // namespace chromeos
87
88#endif  // CHROMEOS_NETWORK_NETWORK_CHANGE_NOTIFIER_CHROMEOS_H_
89