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

Issue 1898643002: Refactor device::BluetoothGattXXX classes to split into remote/local. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 8 months 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_H_ 5 #ifndef COMPONENTS_PROXIMITY_AUTH_BLE_BLUETOOTH_LOW_ENERGY_CONNECTION_H_
6 #define COMPONENTS_PROXIMITY_AUTH_BLE_BLUETOOTH_LOW_ENERGY_CONNECTION_H_ 6 #define COMPONENTS_PROXIMITY_AUTH_BLE_BLUETOOTH_LOW_ENERGY_CONNECTION_H_
7 7
8 #include <stddef.h> 8 #include <stddef.h>
9 #include <stdint.h> 9 #include <stdint.h>
10 10
11 #include <queue> 11 #include <queue>
12 #include <string> 12 #include <string>
13 13
14 #include "base/macros.h" 14 #include "base/macros.h"
15 #include "base/memory/ref_counted.h" 15 #include "base/memory/ref_counted.h"
16 #include "base/memory/scoped_ptr.h" 16 #include "base/memory/scoped_ptr.h"
17 #include "base/memory/weak_ptr.h" 17 #include "base/memory/weak_ptr.h"
18 #include "base/time/time.h" 18 #include "base/time/time.h"
19 #include "components/proximity_auth/ble/bluetooth_low_energy_characteristics_fin der.h" 19 #include "components/proximity_auth/ble/bluetooth_low_energy_characteristics_fin der.h"
20 #include "components/proximity_auth/ble/fake_wire_message.h" 20 #include "components/proximity_auth/ble/fake_wire_message.h"
21 #include "components/proximity_auth/ble/remote_attribute.h" 21 #include "components/proximity_auth/ble/remote_attribute.h"
22 #include "components/proximity_auth/connection.h" 22 #include "components/proximity_auth/connection.h"
23 #include "device/bluetooth/bluetooth_adapter.h" 23 #include "device/bluetooth/bluetooth_adapter.h"
24 #include "device/bluetooth/bluetooth_device.h" 24 #include "device/bluetooth/bluetooth_device.h"
25 #include "device/bluetooth/bluetooth_gatt_characteristic.h"
26 #include "device/bluetooth/bluetooth_gatt_notify_session.h" 25 #include "device/bluetooth/bluetooth_gatt_notify_session.h"
26 #include "device/bluetooth/bluetooth_remote_gatt_characteristic.h"
27 #include "device/bluetooth/bluetooth_uuid.h" 27 #include "device/bluetooth/bluetooth_uuid.h"
28 28
29 namespace base { 29 namespace base {
30 class TaskRunner; 30 class TaskRunner;
31 } 31 }
32 32
33 namespace proximity_auth { 33 namespace proximity_auth {
34 34
35 class BluetoothThrottler; 35 class BluetoothThrottler;
36 36
(...skipping 82 matching lines...) Expand 10 before | Expand all | Expand 10 after
119 // proximity_auth::Connection: 119 // proximity_auth::Connection:
120 void SendMessageImpl(scoped_ptr<WireMessage> message) override; 120 void SendMessageImpl(scoped_ptr<WireMessage> message) override;
121 121
122 // device::BluetoothAdapter::Observer: 122 // device::BluetoothAdapter::Observer:
123 void DeviceChanged(device::BluetoothAdapter* adapter, 123 void DeviceChanged(device::BluetoothAdapter* adapter,
124 device::BluetoothDevice* device) override; 124 device::BluetoothDevice* device) override;
125 void DeviceRemoved(device::BluetoothAdapter* adapter, 125 void DeviceRemoved(device::BluetoothAdapter* adapter,
126 device::BluetoothDevice* device) override; 126 device::BluetoothDevice* device) override;
127 void GattCharacteristicValueChanged( 127 void GattCharacteristicValueChanged(
128 device::BluetoothAdapter* adapter, 128 device::BluetoothAdapter* adapter,
129 device::BluetoothGattCharacteristic* characteristic, 129 device::BluetoothRemoteGattCharacteristic* characteristic,
130 const std::vector<uint8_t>& value) override; 130 const std::vector<uint8_t>& value) override;
131 131
132 private: 132 private:
133 // Represents a request to write |value| to a some characteristic. 133 // Represents a request to write |value| to a some characteristic.
134 // |is_last_write_for_wire_messsage| indicates whether this request 134 // |is_last_write_for_wire_messsage| indicates whether this request
135 // corresponds to the last write request for some wire message. 135 // corresponds to the last write request for some wire message.
136 // A WireMessage corresponds to exactly two WriteRequest: the first containing 136 // A WireMessage corresponds to exactly two WriteRequest: the first containing
137 // a kSendSignal + the size of the WireMessage, and the second containing a 137 // a kSendSignal + the size of the WireMessage, and the second containing a
138 // SendStatusSignal + the serialized WireMessage. 138 // SendStatusSignal + the serialized WireMessage.
139 struct WriteRequest { 139 struct WriteRequest {
(...skipping 60 matching lines...) Expand 10 before | Expand all | Expand 10 after
200 // (OnRemoteCharacteristicWritten()); 200 // (OnRemoteCharacteristicWritten());
201 // 4) |request| is not dequeued if it fails 201 // 4) |request| is not dequeued if it fails
202 // (OnWriteRemoteCharacteristicError()), it remains on the queue and will be 202 // (OnWriteRemoteCharacteristicError()), it remains on the queue and will be
203 // retried. |request| will remain on the queue until it succeeds or it 203 // retried. |request| will remain on the queue until it succeeds or it
204 // triggers a Disconnect() call (after |max_number_of_tries_|). 204 // triggers a Disconnect() call (after |max_number_of_tries_|).
205 void WriteRemoteCharacteristic(WriteRequest request); 205 void WriteRemoteCharacteristic(WriteRequest request);
206 206
207 // Processes the next request in |write_requests_queue_|. 207 // Processes the next request in |write_requests_queue_|.
208 void ProcessNextWriteRequest(); 208 void ProcessNextWriteRequest();
209 209
210 // Called when the BluetoothGattCharacteristic::RemoteCharacteristicWrite() is 210 // Called when the
211 // BluetoothRemoteGattCharacteristic::RemoteCharacteristicWrite() is
211 // successfully complete. 212 // successfully complete.
212 void OnRemoteCharacteristicWritten(bool run_did_send_message_callback); 213 void OnRemoteCharacteristicWritten(bool run_did_send_message_callback);
213 214
214 // Called when there is an error writing to the remote characteristic 215 // Called when there is an error writing to the remote characteristic
215 // |to_peripheral_char_|. 216 // |to_peripheral_char_|.
216 void OnWriteRemoteCharacteristicError( 217 void OnWriteRemoteCharacteristicError(
217 bool run_did_send_message_callback, 218 bool run_did_send_message_callback,
218 device::BluetoothGattService::GattErrorCode error); 219 device::BluetoothRemoteGattService::GattErrorCode error);
219 220
220 // Builds the value to be written on |to_peripheral_char_|. The value 221 // Builds the value to be written on |to_peripheral_char_|. The value
221 // corresponds to |signal| concatenated with |payload|. 222 // corresponds to |signal| concatenated with |payload|.
222 WriteRequest BuildWriteRequest(const std::vector<uint8_t>& signal, 223 WriteRequest BuildWriteRequest(const std::vector<uint8_t>& signal,
223 const std::vector<uint8_t>& bytes, 224 const std::vector<uint8_t>& bytes,
224 bool is_last_message_for_wire_message); 225 bool is_last_message_for_wire_message);
225 226
226 // Prints the time elapsed since |Connect()| was called. 227 // Prints the time elapsed since |Connect()| was called.
227 void PrintTimeElapsed(); 228 void PrintTimeElapsed();
228 229
229 // Returns the device corresponding to |remote_device_address_|. 230 // Returns the device corresponding to |remote_device_address_|.
230 device::BluetoothDevice* GetRemoteDevice(); 231 device::BluetoothDevice* GetRemoteDevice();
231 232
232 // Returns the service corresponding to |remote_service_| in the current 233 // Returns the service corresponding to |remote_service_| in the current
233 // device. 234 // device.
234 device::BluetoothGattService* GetRemoteService(); 235 device::BluetoothRemoteGattService* GetRemoteService();
235 236
236 // Returns the characteristic corresponding to |identifier| in the current 237 // Returns the characteristic corresponding to |identifier| in the current
237 // service. 238 // service.
238 device::BluetoothGattCharacteristic* GetGattCharacteristic( 239 device::BluetoothRemoteGattCharacteristic* GetGattCharacteristic(
239 const std::string& identifier); 240 const std::string& identifier);
240 241
241 // Convert the first 4 bytes from a byte vector to a uint32_t. 242 // Convert the first 4 bytes from a byte vector to a uint32_t.
242 uint32_t ToUint32(const std::vector<uint8_t>& bytes); 243 uint32_t ToUint32(const std::vector<uint8_t>& bytes);
243 244
244 // Convert an uint32_t to a byte vector. 245 // Convert an uint32_t to a byte vector.
245 const std::vector<uint8_t> ToByteVector(uint32_t value); 246 const std::vector<uint8_t> ToByteVector(uint32_t value);
246 247
247 // The Bluetooth adapter over which the Bluetooth connection will be made. 248 // The Bluetooth adapter over which the Bluetooth connection will be made.
248 scoped_refptr<device::BluetoothAdapter> adapter_; 249 scoped_refptr<device::BluetoothAdapter> adapter_;
(...skipping 28 matching lines...) Expand all
277 // Indicates a receiving operation is in progress. This is set after a 278 // Indicates a receiving operation is in progress. This is set after a
278 // ControlSignal::kSendSignal was received from the remote device. 279 // ControlSignal::kSendSignal was received from the remote device.
279 bool receiving_bytes_; 280 bool receiving_bytes_;
280 281
281 // Total number of bytes expected for the current receive operation. 282 // Total number of bytes expected for the current receive operation.
282 std::size_t expected_number_of_incoming_bytes_; 283 std::size_t expected_number_of_incoming_bytes_;
283 284
284 // Bytes already received for the current receive operation. 285 // Bytes already received for the current receive operation.
285 std::string incoming_bytes_buffer_; 286 std::string incoming_bytes_buffer_;
286 287
287 // Indicates there is a BluetoothGattCharacteristic::WriteRemoteCharacteristic 288 // Indicates there is a
289 // BluetoothRemoteGattCharacteristic::WriteRemoteCharacteristic
288 // operation pending. 290 // operation pending.
289 bool write_remote_characteristic_pending_; 291 bool write_remote_characteristic_pending_;
290 292
291 std::queue<WriteRequest> write_requests_queue_; 293 std::queue<WriteRequest> write_requests_queue_;
292 294
293 // Maximum number of tries to send any write request. 295 // Maximum number of tries to send any write request.
294 int max_number_of_write_attempts_; 296 int max_number_of_write_attempts_;
295 297
296 // Maximum number of bytes that fit in a single chunk to be written in 298 // Maximum number of bytes that fit in a single chunk to be written in
297 // |to_peripheral_char_|. Ideally, this should be the maximum value the 299 // |to_peripheral_char_|. Ideally, this should be the maximum value the
298 // peripheral supports and it should be agreed when the GATT connection is 300 // peripheral supports and it should be agreed when the GATT connection is
299 // created. Currently, there is no API to find this value. The implementation 301 // created. Currently, there is no API to find this value. The implementation
300 // uses a hard-coded constant. 302 // uses a hard-coded constant.
301 int max_chunk_size_; 303 int max_chunk_size_;
302 304
303 // Stores when the instace was created. 305 // Stores when the instace was created.
304 base::TimeTicks start_time_; 306 base::TimeTicks start_time_;
305 307
306 base::WeakPtrFactory<BluetoothLowEnergyConnection> weak_ptr_factory_; 308 base::WeakPtrFactory<BluetoothLowEnergyConnection> weak_ptr_factory_;
307 309
308 DISALLOW_COPY_AND_ASSIGN(BluetoothLowEnergyConnection); 310 DISALLOW_COPY_AND_ASSIGN(BluetoothLowEnergyConnection);
309 }; 311 };
310 312
311 } // namespace proximity_auth 313 } // namespace proximity_auth
312 314
313 #endif // COMPONENTS_PROXIMITY_AUTH_BLE_BLUETOOTH_LOW_ENERGY_CONNECTION_H_ 315 #endif // COMPONENTS_PROXIMITY_AUTH_BLE_BLUETOOTH_LOW_ENERGY_CONNECTION_H_
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