Tether: record each type of host connection result.

chromeos/components/tether/tether_connector.h

 // Copyright 2016 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 CHROMEOS_COMPONENTS_TETHER_TETHER_CONNECTOR_H_
 #define CHROMEOS_COMPONENTS_TETHER_TETHER_CONNECTOR_H_
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "chromeos/components/tether/connect_tethering_operation.h"
+#include "chromeos/components/tether/host_connection_metrics_logger.h"
 #include "chromeos/network/network_connection_handler.h"
 
 namespace chromeos {
 
 class NetworkStateHandler;
 
 namespace tether {
 
 class ActiveHost;
 class BleConnectionManager;
@@ skipping 13 matching lines @@
  public:
   TetherConnector(
       NetworkStateHandler* network_state_handler,
       WifiHotspotConnector* wifi_hotspot_connector,
       ActiveHost* active_host,
       TetherHostFetcher* tether_host_fetcher,
       BleConnectionManager* connection_manager,
       TetherHostResponseRecorder* tether_host_response_recorder,
       DeviceIdTetherNetworkGuidMap* device_id_tether_network_guid_map,
       HostScanCache* host_scan_cache,
-      NotificationPresenter* notification_presenter);
+      NotificationPresenter* notification_presenter,
+      HostConnectionMetricsLogger* host_connection_metrics_logger);
   virtual ~TetherConnector();
 
   virtual void ConnectToNetwork(
       const std::string& tether_network_guid,
       const base::Closure& success_callback,
       const network_handler::StringResultCallback& error_callback);
 
   // Returns whether the connection attempt was successfully canceled.
   virtual bool CancelConnectionAttempt(const std::string& tether_network_guid);
 
   // ConnectTetheringOperation::Observer:
   void OnSuccessfulConnectTetheringResponse(
       const cryptauth::RemoteDevice& remote_device,
       const std::string& ssid,
       const std::string& password) override;
   void OnConnectTetheringFailure(
       const cryptauth::RemoteDevice& remote_device,
       ConnectTetheringResponse_ResponseCode error_code) override;
 
  private:
   friend class TetherConnectorTest;
 
-  void SetConnectionFailed(const std::string& error_name);
+  void SetConnectionFailed(const std::string& error_name,
+                           HostConnectionMetricsLogger::ConnectionToHostResult
+                               connection_to_host_result);
   void SetConnectionSucceeded(const std::string& device_id,
                               const std::string& wifi_network_guid);
 
   void OnTetherHostToConnectFetched(
       const std::string& device_id,
       std::unique_ptr<cryptauth::RemoteDevice> tether_host_to_connect);
   void OnWifiConnection(const std::string& device_id,
                         const std::string& wifi_network_guid);
+  HostConnectionMetricsLogger::ConnectionToHostResult
+  GetConnectionToHostResultFromErrorCode(
+      const std::string& device_id,
+      ConnectTetheringResponse_ResponseCode error_code);
 
   NetworkConnectionHandler* network_connection_handler_;
   NetworkStateHandler* network_state_handler_;
   WifiHotspotConnector* wifi_hotspot_connector_;
   ActiveHost* active_host_;
   TetherHostFetcher* tether_host_fetcher_;
   BleConnectionManager* connection_manager_;
   TetherHostResponseRecorder* tether_host_response_recorder_;
   DeviceIdTetherNetworkGuidMap* device_id_tether_network_guid_map_;
   HostScanCache* host_scan_cache_;
   NotificationPresenter* notification_presenter_;
+  HostConnectionMetricsLogger* host_connection_metrics_logger_;
 
   std::string device_id_pending_connection_;
   base::Closure success_callback_;
   network_handler::StringResultCallback error_callback_;
   std::unique_ptr<ConnectTetheringOperation> connect_tethering_operation_;
   base::WeakPtrFactory<TetherConnector> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(TetherConnector);
 };
 
 }  // namespace tether
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_COMPONENTS_TETHER_TETHER_CONNECTOR_H_