| // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CHROME_BROWSER_METRICS_METRICS_NETWORK_OBSERVER_H_ |
| #define CHROME_BROWSER_METRICS_METRICS_NETWORK_OBSERVER_H_ |
| |
| #include "base/basictypes.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/memory/weak_ptr.h" |
| #include "chrome/common/metrics/proto/system_profile.pb.h" |
| #include "net/base/net_util.h" |
| #include "net/base/network_change_notifier.h" |
| |
| using metrics::SystemProfileProto; |
| |
| // Registers as observer with net::NetworkChangeNotifier and keeps track of |
| // the network environment. |
| class MetricsNetworkObserver |
| : public net::NetworkChangeNotifier::ConnectionTypeObserver { |
| public: |
| MetricsNetworkObserver(); |
| virtual ~MetricsNetworkObserver(); |
| |
| // Resets the "ambiguous" flags. Call when the environment is recorded. |
| void Reset(); |
| |
| // ConnectionTypeObserver: |
| virtual void OnConnectionTypeChanged( |
| net::NetworkChangeNotifier::ConnectionType type) OVERRIDE; |
| |
| bool connection_type_is_ambiguous() const { |
| return connection_type_is_ambiguous_; |
| } |
| |
| SystemProfileProto::Network::ConnectionType connection_type() const; |
| |
| bool wifi_phy_layer_protocol_is_ambiguous() const { |
| return wifi_phy_layer_protocol_is_ambiguous_; |
| } |
| |
| SystemProfileProto::Network::WifiPHYLayerProtocol |
| wifi_phy_layer_protocol() const; |
| |
| private: |
| // Posts a call to net::GetWifiPHYLayerProtocol on the blocking pool. |
| void ProbeWifiPHYLayerProtocol(); |
| // Callback from the blocking pool with the result of |
| // net::GetWifiPHYLayerProtocol. |
| void OnWifiPHYLayerProtocolResult(net::WifiPHYLayerProtocol mode); |
| |
| base::WeakPtrFactory<MetricsNetworkObserver> weak_ptr_factory_; |
| |
| // True if |connection_type_| changed during the lifetime of the log. |
| bool connection_type_is_ambiguous_; |
| // The connection type according to net::NetworkChangeNotifier. |
| net::NetworkChangeNotifier::ConnectionType connection_type_; |
| |
| // True if |wifi_phy_layer_protocol_| changed during the lifetime of the log. |
| bool wifi_phy_layer_protocol_is_ambiguous_; |
| // The PHY mode of the currently associated access point obtained via |
| // net::GetWifiPHYLayerProtocol. |
| net::WifiPHYLayerProtocol wifi_phy_layer_protocol_; |
| |
| DISALLOW_COPY_AND_ASSIGN(MetricsNetworkObserver); |
| }; |
| |
| #endif // CHROME_BROWSER_METRICS_METRICS_NETWORK_OBSERVER_H_ |