Upstream version 10.39.225.0
[platform/framework/web/crosswalk.git] / src / components / metrics / net / network_metrics_provider.h
1 // Copyright 2014 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 COMPONENTS_METRICS_NET_NETWORK_METRICS_PROVIDER_H_
6 #define COMPONENTS_METRICS_NET_NETWORK_METRICS_PROVIDER_H_
7
8 #include "base/basictypes.h"
9 #include "base/memory/scoped_ptr.h"
10 #include "base/memory/weak_ptr.h"
11 #include "components/metrics/metrics_provider.h"
12 #include "components/metrics/net/wifi_access_point_info_provider.h"
13 #include "components/metrics/proto/system_profile.pb.h"
14 #include "net/base/net_util.h"
15 #include "net/base/network_change_notifier.h"
16
17 // Registers as observer with net::NetworkChangeNotifier and keeps track of
18 // the network environment.
19 class NetworkMetricsProvider
20     : public metrics::MetricsProvider,
21       public net::NetworkChangeNotifier::ConnectionTypeObserver {
22  public:
23   // Creates a NetworkMetricsProvider, where |io_task_runner| is used to post
24   // network info collection tasks.
25   explicit NetworkMetricsProvider(base::TaskRunner* io_task_runner);
26   virtual ~NetworkMetricsProvider();
27
28  private:
29   // metrics::MetricsProvider:
30   virtual void OnDidCreateMetricsLog() OVERRIDE;
31   virtual void ProvideSystemProfileMetrics(
32       metrics::SystemProfileProto* system_profile) OVERRIDE;
33
34   // ConnectionTypeObserver:
35   virtual void OnConnectionTypeChanged(
36       net::NetworkChangeNotifier::ConnectionType type) OVERRIDE;
37
38   metrics::SystemProfileProto::Network::ConnectionType
39   GetConnectionType() const;
40   metrics::SystemProfileProto::Network::WifiPHYLayerProtocol
41   GetWifiPHYLayerProtocol() const;
42
43   // Posts a call to net::GetWifiPHYLayerProtocol on the blocking pool.
44   void ProbeWifiPHYLayerProtocol();
45   // Callback from the blocking pool with the result of
46   // net::GetWifiPHYLayerProtocol.
47   void OnWifiPHYLayerProtocolResult(net::WifiPHYLayerProtocol mode);
48
49   // Writes info about the wireless access points that this system is
50   // connected to.
51   void WriteWifiAccessPointProto(
52       const WifiAccessPointInfoProvider::WifiAccessPointInfo& info,
53       metrics::SystemProfileProto::Network* network_proto);
54
55   // Task runner used for blocking file I/O.
56   base::TaskRunner* io_task_runner_;
57
58   // True if |connection_type_| changed during the lifetime of the log.
59   bool connection_type_is_ambiguous_;
60   // The connection type according to net::NetworkChangeNotifier.
61   net::NetworkChangeNotifier::ConnectionType connection_type_;
62
63   // True if |wifi_phy_layer_protocol_| changed during the lifetime of the log.
64   bool wifi_phy_layer_protocol_is_ambiguous_;
65   // The PHY mode of the currently associated access point obtained via
66   // net::GetWifiPHYLayerProtocol.
67   net::WifiPHYLayerProtocol wifi_phy_layer_protocol_;
68
69   // Helper object for retrieving connected wifi access point information.
70   scoped_ptr<WifiAccessPointInfoProvider> wifi_access_point_info_provider_;
71
72   base::WeakPtrFactory<NetworkMetricsProvider> weak_ptr_factory_;
73
74   DISALLOW_COPY_AND_ASSIGN(NetworkMetricsProvider);
75 };
76
77 #endif  // COMPONENTS_METRICS_NET_NETWORK_METRICS_PROVIDER_H_