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Side by Side Diff: components/proximity_auth/ble/bluetooth_low_energy_connection_finder.h

Issue 2561203002: Migrate weave-related classes from proximity_auth/ble to cryptauth/ble. (Closed)
Patch Set: Moved all general classes from proximity_auth to cryptauth. Created 4 years ago
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1 // Copyright 2015 The Chromium Authors. All rights reserved. 1 // Copyright 2015 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef COMPONENTS_PROXIMITY_AUTH_BLE_BLUETOOTH_LOW_ENERGY_CONNECTION_FINDER_H 5 #ifndef COMPONENTS_PROXIMITY_AUTH_BLE_BLUETOOTH_LOW_ENERGY_CONNECTION_FINDER_H
6 #define COMPONENTS_PROXIMITY_AUTH_BLE_BLUETOOTH_LOW_ENERGY_CONNECTION_FINDER_H 6 #define COMPONENTS_PROXIMITY_AUTH_BLE_BLUETOOTH_LOW_ENERGY_CONNECTION_FINDER_H
7 7
8 #include <memory> 8 #include <memory>
9 #include <set> 9 #include <set>
10 #include <string> 10 #include <string>
11 11
12 #include "base/callback.h" 12 #include "base/callback.h"
13 #include "base/macros.h" 13 #include "base/macros.h"
14 #include "base/memory/ref_counted.h" 14 #include "base/memory/ref_counted.h"
15 #include "base/memory/weak_ptr.h" 15 #include "base/memory/weak_ptr.h"
16 #include "components/cryptauth/bluetooth_throttler.h"
17 #include "components/cryptauth/connection.h"
18 #include "components/cryptauth/connection_observer.h"
16 #include "components/cryptauth/remote_device.h" 19 #include "components/cryptauth/remote_device.h"
17 #include "components/proximity_auth/connection.h"
18 #include "components/proximity_auth/connection_finder.h" 20 #include "components/proximity_auth/connection_finder.h"
19 #include "components/proximity_auth/connection_observer.h"
20 #include "device/bluetooth/bluetooth_adapter.h" 21 #include "device/bluetooth/bluetooth_adapter.h"
21 #include "device/bluetooth/bluetooth_device.h" 22 #include "device/bluetooth/bluetooth_device.h"
22 #include "device/bluetooth/bluetooth_discovery_session.h" 23 #include "device/bluetooth/bluetooth_discovery_session.h"
23 #include "device/bluetooth/bluetooth_gatt_connection.h" 24 #include "device/bluetooth/bluetooth_gatt_connection.h"
24 25
25 namespace proximity_auth { 26 namespace proximity_auth {
26 27
27 class BluetoothLowEnergyDeviceWhitelist; 28 class BluetoothLowEnergyDeviceWhitelist;
28 class BluetoothThrottler;
29 29
30 // This ConnectionFinder implementation is specialized in finding a Bluetooth 30 // This ConnectionFinder implementation is specialized in finding a Bluetooth
31 // Low Energy remote device. 31 // Low Energy remote device.
32 class BluetoothLowEnergyConnectionFinder 32 class BluetoothLowEnergyConnectionFinder
33 : public ConnectionFinder, 33 : public ConnectionFinder,
34 public ConnectionObserver, 34 public cryptauth::ConnectionObserver,
35 public device::BluetoothAdapter::Observer { 35 public device::BluetoothAdapter::Observer {
36 public: 36 public:
37 enum FinderStrategy { FIND_PAIRED_DEVICE, FIND_ANY_DEVICE }; 37 enum FinderStrategy { FIND_PAIRED_DEVICE, FIND_ANY_DEVICE };
38 38
39 // Finds (and connects) to a Bluetooth low energy device. There are two 39 // Finds (and connects) to a Bluetooth low energy device. There are two
40 // possible search strategies depending on |finder_strategy|: 40 // possible search strategies depending on |finder_strategy|:
41 // (i) |FIND_PAIRED_DEVICE| searches for the unique paired bluetooth 41 // (i) |FIND_PAIRED_DEVICE| searches for the unique paired bluetooth
42 // |remote_device|; 42 // |remote_device|;
43 // (ii) |FIND_ANY_DEVICE| searches for any device advertising 43 // (ii) |FIND_ANY_DEVICE| searches for any device advertising
44 // |remote_service_uuid|. 44 // |remote_service_uuid|.
45 // 45 //
46 // |remote_device|: The BLE remote device. |remote_device.bluetooth_adress| 46 // |remote_device|: The BLE remote device. |remote_device.bluetooth_adress|
47 // should be empty when |has_public_bluetooth_address| is false. 47 // should be empty when |has_public_bluetooth_address| is false.
48 // |remote_service_uuid|: The UUID of the service used to send/receive data in 48 // |remote_service_uuid|: The UUID of the service used to send/receive data in
49 // remote device. 49 // remote device.
50 // |bluetooth_throttler|: The reconnection throttler. 50 // |bluetooth_throttler|: The reconnection throttler.
51 // |max_number_of_tries|: Maximum number attempts to send a message before 51 // |max_number_of_tries|: Maximum number attempts to send a message before
52 // disconnecting. 52 // disconnecting.
53 // TODO(sacomoto): Remove |device_whitelist| when ProximityAuthBleSystem is 53 // TODO(sacomoto): Remove |device_whitelist| when ProximityAuthBleSystem is
54 // not needed anymore. 54 // not needed anymore.
55 BluetoothLowEnergyConnectionFinder( 55 BluetoothLowEnergyConnectionFinder(
56 const cryptauth::RemoteDevice remote_device, 56 const cryptauth::RemoteDevice remote_device,
57 const std::string& remote_service_uuid, 57 const std::string& remote_service_uuid,
58 const FinderStrategy finder_strategy, 58 const FinderStrategy finder_strategy,
59 const BluetoothLowEnergyDeviceWhitelist* device_whitelist, 59 const BluetoothLowEnergyDeviceWhitelist* device_whitelist,
60 BluetoothThrottler* bluetooth_throttler, 60 cryptauth::BluetoothThrottler* bluetooth_throttler,
61 int max_number_of_tries); 61 int max_number_of_tries);
62 62
63 ~BluetoothLowEnergyConnectionFinder() override; 63 ~BluetoothLowEnergyConnectionFinder() override;
64 64
65 // Finds a connection to the remote device. 65 // Finds a connection to the remote device.
66 void Find(const ConnectionCallback& connection_callback) override; 66 void Find(const ConnectionCallback& connection_callback) override;
67 67
68 // proximity_auth::ConnectionObserver: 68 // cryptauth::ConnectionObserver:
69 void OnConnectionStatusChanged(Connection* connection, 69 void OnConnectionStatusChanged(
70 Connection::Status old_status, 70 cryptauth::Connection* connection,
71 Connection::Status new_status) override; 71 cryptauth::Connection::Status old_status,
72 cryptauth::Connection::Status new_status) override;
72 73
73 // device::BluetoothAdapter::Observer: 74 // device::BluetoothAdapter::Observer:
74 void AdapterPoweredChanged(device::BluetoothAdapter* adapter, 75 void AdapterPoweredChanged(device::BluetoothAdapter* adapter,
75 bool powered) override; 76 bool powered) override;
76 void DeviceAdded(device::BluetoothAdapter* adapter, 77 void DeviceAdded(device::BluetoothAdapter* adapter,
77 device::BluetoothDevice* device) override; 78 device::BluetoothDevice* device) override;
78 void DeviceChanged(device::BluetoothAdapter* adapter, 79 void DeviceChanged(device::BluetoothAdapter* adapter,
79 device::BluetoothDevice* device) override; 80 device::BluetoothDevice* device) override;
80 81
81 protected: 82 protected:
82 // Creates a proximity_auth::Connection with the device given by 83 // Creates a proximity_auth::Connection with the device given by
83 // |device_address|. Exposed for testing. 84 // |device_address|. Exposed for testing.
84 virtual std::unique_ptr<Connection> CreateConnection( 85 virtual std::unique_ptr<cryptauth::Connection> CreateConnection(
85 const std::string& device_address); 86 const std::string& device_address);
86 87
87 private: 88 private:
88 // Callback to be called when the Bluetooth adapter is initialized. 89 // Callback to be called when the Bluetooth adapter is initialized.
89 void OnAdapterInitialized(scoped_refptr<device::BluetoothAdapter> adapter); 90 void OnAdapterInitialized(scoped_refptr<device::BluetoothAdapter> adapter);
90 91
91 // Checks if |remote_device| contains |remote_service_uuid| and creates a 92 // Checks if |remote_device| contains |remote_service_uuid| and creates a
92 // connection in that case. 93 // connection in that case.
93 void HandleDeviceUpdated(device::BluetoothDevice* remote_device); 94 void HandleDeviceUpdated(device::BluetoothDevice* remote_device);
94 95
(...skipping 39 matching lines...) Expand 10 before | Expand all | Expand 10 after
134 const FinderStrategy finder_strategy_; 135 const FinderStrategy finder_strategy_;
135 136
136 // Devices in |device_whitelist_| don't need to have |remote_service_uuid_| 137 // Devices in |device_whitelist_| don't need to have |remote_service_uuid_|
137 // cached or advertised. Not owned, must outlive this instance. 138 // cached or advertised. Not owned, must outlive this instance.
138 // TODO(sacomoto): Remove |device_whitelist_| when ProximityAuthBleSystem is 139 // TODO(sacomoto): Remove |device_whitelist_| when ProximityAuthBleSystem is
139 // not needed anymore. 140 // not needed anymore.
140 const BluetoothLowEnergyDeviceWhitelist* device_whitelist_; 141 const BluetoothLowEnergyDeviceWhitelist* device_whitelist_;
141 142
142 // Throttles repeated connection attempts to the same device. This is a 143 // Throttles repeated connection attempts to the same device. This is a
143 // workaround for crbug.com/508919. Not owned, must outlive this instance. 144 // workaround for crbug.com/508919. Not owned, must outlive this instance.
144 BluetoothThrottler* bluetooth_throttler_; 145 cryptauth::BluetoothThrottler* bluetooth_throttler_;
145 146
146 // The Bluetooth adapter over which the Bluetooth connection will be made. 147 // The Bluetooth adapter over which the Bluetooth connection will be made.
147 scoped_refptr<device::BluetoothAdapter> adapter_; 148 scoped_refptr<device::BluetoothAdapter> adapter_;
148 149
149 // The discovery session associated to this object. 150 // The discovery session associated to this object.
150 std::unique_ptr<device::BluetoothDiscoverySession> discovery_session_; 151 std::unique_ptr<device::BluetoothDiscoverySession> discovery_session_;
151 152
152 // The connection with |remote_device|. 153 // The connection with |remote_device|.
153 std::unique_ptr<Connection> connection_; 154 std::unique_ptr<cryptauth::Connection> connection_;
154 155
155 // Callback called when the connection is established. 156 // Callback called when the connection is established.
156 // device::BluetoothDevice::GattConnectionCallback connection_callback_; 157 // device::BluetoothDevice::GattConnectionCallback connection_callback_;
157 ConnectionCallback connection_callback_; 158 ConnectionCallback connection_callback_;
158 159
159 // BluetoothLowEnergyConnection parameter. 160 // BluetoothLowEnergyConnection parameter.
160 int max_number_of_tries_; 161 int max_number_of_tries_;
161 162
162 base::WeakPtrFactory<BluetoothLowEnergyConnectionFinder> weak_ptr_factory_; 163 base::WeakPtrFactory<BluetoothLowEnergyConnectionFinder> weak_ptr_factory_;
163 164
164 DISALLOW_COPY_AND_ASSIGN(BluetoothLowEnergyConnectionFinder); 165 DISALLOW_COPY_AND_ASSIGN(BluetoothLowEnergyConnectionFinder);
165 }; 166 };
166 167
167 } // namespace proximity_auth 168 } // namespace proximity_auth
168 169
169 #endif // COMPONENTS_PROXIMITY_AUTH_BLE_BLUETOOTH_CONNECTION_FINDER_H 170 #endif // COMPONENTS_PROXIMITY_AUTH_BLE_BLUETOOTH_CONNECTION_FINDER_H
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