| // Copyright 2014 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_NETWORK_METRICS_PROVIDER_H_ |
| #define CHROME_BROWSER_METRICS_NETWORK_METRICS_PROVIDER_H_ |
| |
| #include "base/basictypes.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/memory/weak_ptr.h" |
| #include "components/metrics/metrics_provider.h" |
| #include "components/metrics/proto/system_profile.pb.h" |
| #include "net/base/net_util.h" |
| #include "net/base/network_change_notifier.h" |
| |
| // Registers as observer with net::NetworkChangeNotifier and keeps track of |
| // the network environment. |
| class NetworkMetricsProvider |
| : public metrics::MetricsProvider, |
| public net::NetworkChangeNotifier::ConnectionTypeObserver { |
| public: |
| NetworkMetricsProvider(); |
| virtual ~NetworkMetricsProvider(); |
| |
| // metrics::MetricsProvider: |
| virtual void ProvideSystemProfileMetrics( |
| metrics::SystemProfileProto* system_profile) OVERRIDE; |
| |
| // ConnectionTypeObserver: |
| virtual void OnConnectionTypeChanged( |
| net::NetworkChangeNotifier::ConnectionType type) OVERRIDE; |
| |
| private: |
| metrics::SystemProfileProto::Network::ConnectionType |
| GetConnectionType() const; |
| metrics::SystemProfileProto::Network::WifiPHYLayerProtocol |
| GetWifiPHYLayerProtocol() const; |
| |
| // 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); |
| |
| // 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_; |
| |
| base::WeakPtrFactory<NetworkMetricsProvider> weak_ptr_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(NetworkMetricsProvider); |
| }; |
| |
| #endif // CHROME_BROWSER_METRICS_NETWORK_METRICS_PROVIDER_H_ |