1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
|
// Copyright 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.
#include "device/bluetooth/bluez/bluetooth_device_bluez.h"
#include <stdio.h>
#include <algorithm>
#include <memory>
#include <utility>
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/memory/ptr_util.h"
#include "base/metrics/histogram_macros.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_util.h"
#include "components/device_event_log/device_event_log.h"
#include "dbus/bus.h"
#include "device/bluetooth/bluetooth_socket.h"
#include "device/bluetooth/bluetooth_socket_thread.h"
#include "device/bluetooth/bluetooth_uuid.h"
#include "device/bluetooth/bluez/bluetooth_adapter_bluez.h"
#include "device/bluetooth/bluez/bluetooth_gatt_connection_bluez.h"
#include "device/bluetooth/bluez/bluetooth_pairing_bluez.h"
#include "device/bluetooth/bluez/bluetooth_remote_gatt_service_bluez.h"
#include "device/bluetooth/bluez/bluetooth_service_record_bluez.h"
#include "device/bluetooth/bluez/bluetooth_socket_bluez.h"
#include "device/bluetooth/dbus/bluetooth_adapter_client.h"
#include "device/bluetooth/dbus/bluetooth_device_client.h"
#include "device/bluetooth/dbus/bluetooth_gatt_service_client.h"
#include "device/bluetooth/dbus/bluetooth_input_client.h"
#include "device/bluetooth/dbus/bluez_dbus_manager.h"
#include "third_party/cros_system_api/dbus/service_constants.h"
using device::BluetoothDevice;
using device::BluetoothRemoteGattService;
using device::BluetoothSocket;
using device::BluetoothUUID;
namespace {
// The unit for connection interval values are in multiples of 1.25ms.
const uint16_t MIN_CONNECTION_INTERVAL_LOW = 6;
const uint16_t MAX_CONNECTION_INTERVAL_LOW = 6;
const uint16_t MIN_CONNECTION_INTERVAL_MEDIUM = 40;
const uint16_t MAX_CONNECTION_INTERVAL_MEDIUM = 56;
const uint16_t MIN_CONNECTION_INTERVAL_HIGH = 80;
const uint16_t MAX_CONNECTION_INTERVAL_HIGH = 100;
// Histogram enumerations for pairing results.
enum UMAPairingResult {
UMA_PAIRING_RESULT_SUCCESS,
UMA_PAIRING_RESULT_INPROGRESS,
UMA_PAIRING_RESULT_FAILED,
UMA_PAIRING_RESULT_AUTH_FAILED,
UMA_PAIRING_RESULT_AUTH_CANCELED,
UMA_PAIRING_RESULT_AUTH_REJECTED,
UMA_PAIRING_RESULT_AUTH_TIMEOUT,
UMA_PAIRING_RESULT_UNSUPPORTED_DEVICE,
UMA_PAIRING_RESULT_UNKNOWN_ERROR,
// NOTE: Add new pairing results immediately above this line. Make sure to
// update the enum list in tools/histogram/histograms.xml accordinly.
UMA_PAIRING_RESULT_COUNT
};
void ParseModalias(const dbus::ObjectPath& object_path,
BluetoothDevice::VendorIDSource* vendor_id_source,
uint16_t* vendor_id,
uint16_t* product_id,
uint16_t* device_id) {
bluez::BluetoothDeviceClient::Properties* properties =
bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->GetProperties(
object_path);
DCHECK(properties);
std::string modalias = properties->modalias.value();
BluetoothDevice::VendorIDSource source_value;
int vendor_value, product_value, device_value;
if (sscanf(modalias.c_str(), "bluetooth:v%04xp%04xd%04x", &vendor_value,
&product_value, &device_value) == 3) {
source_value = BluetoothDevice::VENDOR_ID_BLUETOOTH;
} else if (sscanf(modalias.c_str(), "usb:v%04xp%04xd%04x", &vendor_value,
&product_value, &device_value) == 3) {
source_value = BluetoothDevice::VENDOR_ID_USB;
} else {
return;
}
if (vendor_id_source != nullptr)
*vendor_id_source = source_value;
if (vendor_id != nullptr)
*vendor_id = vendor_value;
if (product_id != nullptr)
*product_id = product_value;
if (device_id != nullptr)
*device_id = device_value;
}
void RecordPairingResult(BluetoothDevice::ConnectErrorCode error_code) {
UMAPairingResult pairing_result;
switch (error_code) {
case BluetoothDevice::ERROR_INPROGRESS:
pairing_result = UMA_PAIRING_RESULT_INPROGRESS;
break;
case BluetoothDevice::ERROR_FAILED:
pairing_result = UMA_PAIRING_RESULT_FAILED;
break;
case BluetoothDevice::ERROR_AUTH_FAILED:
pairing_result = UMA_PAIRING_RESULT_AUTH_FAILED;
break;
case BluetoothDevice::ERROR_AUTH_CANCELED:
pairing_result = UMA_PAIRING_RESULT_AUTH_CANCELED;
break;
case BluetoothDevice::ERROR_AUTH_REJECTED:
pairing_result = UMA_PAIRING_RESULT_AUTH_REJECTED;
break;
case BluetoothDevice::ERROR_AUTH_TIMEOUT:
pairing_result = UMA_PAIRING_RESULT_AUTH_TIMEOUT;
break;
case BluetoothDevice::ERROR_UNSUPPORTED_DEVICE:
pairing_result = UMA_PAIRING_RESULT_UNSUPPORTED_DEVICE;
break;
default:
pairing_result = UMA_PAIRING_RESULT_UNKNOWN_ERROR;
}
UMA_HISTOGRAM_ENUMERATION("Bluetooth.PairingResult", pairing_result,
UMA_PAIRING_RESULT_COUNT);
}
BluetoothDevice::ConnectErrorCode DBusErrorToConnectError(
const std::string& error_name) {
BluetoothDevice::ConnectErrorCode error_code = BluetoothDevice::ERROR_UNKNOWN;
if (error_name == bluetooth_device::kErrorConnectionAttemptFailed) {
error_code = BluetoothDevice::ERROR_FAILED;
} else if (error_name == bluetooth_device::kErrorFailed) {
error_code = BluetoothDevice::ERROR_FAILED;
} else if (error_name == bluetooth_device::kErrorAuthenticationFailed) {
error_code = BluetoothDevice::ERROR_AUTH_FAILED;
} else if (error_name == bluetooth_device::kErrorAuthenticationCanceled) {
error_code = BluetoothDevice::ERROR_AUTH_CANCELED;
} else if (error_name == bluetooth_device::kErrorAuthenticationRejected) {
error_code = BluetoothDevice::ERROR_AUTH_REJECTED;
} else if (error_name == bluetooth_device::kErrorAuthenticationTimeout) {
error_code = BluetoothDevice::ERROR_AUTH_TIMEOUT;
}
return error_code;
}
} // namespace
namespace bluez {
BluetoothDeviceBlueZ::BluetoothDeviceBlueZ(
BluetoothAdapterBlueZ* adapter,
const dbus::ObjectPath& object_path,
scoped_refptr<base::SequencedTaskRunner> ui_task_runner,
scoped_refptr<device::BluetoothSocketThread> socket_thread)
: BluetoothDevice(adapter),
object_path_(object_path),
num_connecting_calls_(0),
ui_task_runner_(ui_task_runner),
socket_thread_(socket_thread),
weak_ptr_factory_(this) {
bluez::BluezDBusManager::Get()->GetBluetoothGattServiceClient()->AddObserver(
this);
// If GATT Services have already been discovered update the list of Gatt
// Services.
if (IsGattServicesDiscoveryComplete()) {
UpdateGattServices(object_path_);
} else {
BLUETOOTH_LOG(DEBUG)
<< "Gatt services have not been fully resolved for device "
<< object_path_.value();
}
// Update all the data that we cache within Chrome and do not pull from
// properties every time. TODO(xiaoyinh): Add a test for this. See
// http://crbug.com/688566.
UpdateServiceData();
UpdateManufacturerData();
UpdateAdvertisingDataFlags();
}
BluetoothDeviceBlueZ::~BluetoothDeviceBlueZ() {
bluez::BluezDBusManager::Get()
->GetBluetoothGattServiceClient()
->RemoveObserver(this);
// Copy the GATT services list here and clear the original so that when we
// send GattServiceRemoved(), GetGattServices() returns no services.
GattServiceMap gatt_services_swapped;
gatt_services_swapped.swap(gatt_services_);
for (const auto& iter : gatt_services_swapped) {
DCHECK(adapter());
adapter()->NotifyGattServiceRemoved(
static_cast<BluetoothRemoteGattServiceBlueZ*>(iter.second.get()));
}
}
uint32_t BluetoothDeviceBlueZ::GetBluetoothClass() const {
bluez::BluetoothDeviceClient::Properties* properties =
bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->GetProperties(
object_path_);
DCHECK(properties);
return properties->bluetooth_class.value();
}
device::BluetoothTransport BluetoothDeviceBlueZ::GetType() const {
bluez::BluetoothDeviceClient::Properties* properties =
bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->GetProperties(
object_path_);
DCHECK(properties);
if (!properties->type.is_valid())
return device::BLUETOOTH_TRANSPORT_INVALID;
std::string type = properties->type.value();
if (type == bluez::BluetoothDeviceClient::kTypeBredr) {
return device::BLUETOOTH_TRANSPORT_CLASSIC;
} else if (type == bluez::BluetoothDeviceClient::kTypeLe) {
return device::BLUETOOTH_TRANSPORT_LE;
} else if (type == bluez::BluetoothDeviceClient::kTypeDual) {
return device::BLUETOOTH_TRANSPORT_DUAL;
}
NOTREACHED();
return device::BLUETOOTH_TRANSPORT_INVALID;
}
void BluetoothDeviceBlueZ::CreateGattConnectionImpl() {
// BlueZ implementation does not use the default CreateGattConnection
// implementation.
NOTIMPLEMENTED();
}
void BluetoothDeviceBlueZ::SetGattServicesDiscoveryComplete(bool complete) {
// BlueZ implementation already tracks service discovery state.
NOTIMPLEMENTED();
}
bool BluetoothDeviceBlueZ::IsGattServicesDiscoveryComplete() const {
bluez::BluetoothDeviceClient::Properties* properties =
bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->GetProperties(
object_path_);
DCHECK(properties);
return properties->services_resolved.value();
}
void BluetoothDeviceBlueZ::DisconnectGatt() {
// There isn't currently a good way to manage the ownership of a connection
// between Chrome and bluetoothd plugins/profiles. Until a proper reference
// count is kept in bluetoothd, we might unwittingly kill a connection to a
// device the user is still interested in, e.g. a mouse. A device's paired
// status is usually a good indication that the device is being used by other
// parts of the system and therefore we leak these connections.
// TODO(crbug.com/630586): Call disconnect for all devices.
// IsPaired() returns true if we've connected to the device before. So we
// check the dbus property directly.
// TODO(crbug.com/649651): Use IsPaired once it returns true only for paired
// devices.
bluez::BluetoothDeviceClient::Properties* properties =
bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->GetProperties(
object_path_);
DCHECK(properties);
if (properties->paired.value()) {
BLUETOOTH_LOG(ERROR) << "Leaking connection to paired device.";
return;
}
Disconnect(base::DoNothing(), base::DoNothing());
}
std::string BluetoothDeviceBlueZ::GetAddress() const {
bluez::BluetoothDeviceClient::Properties* properties =
bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->GetProperties(
object_path_);
DCHECK(properties);
return CanonicalizeAddress(properties->address.value());
}
BluetoothDevice::VendorIDSource BluetoothDeviceBlueZ::GetVendorIDSource()
const {
VendorIDSource vendor_id_source = VENDOR_ID_UNKNOWN;
ParseModalias(object_path_, &vendor_id_source, nullptr, nullptr, nullptr);
return vendor_id_source;
}
uint16_t BluetoothDeviceBlueZ::GetVendorID() const {
uint16_t vendor_id = 0;
ParseModalias(object_path_, nullptr, &vendor_id, nullptr, nullptr);
return vendor_id;
}
uint16_t BluetoothDeviceBlueZ::GetProductID() const {
uint16_t product_id = 0;
ParseModalias(object_path_, nullptr, nullptr, &product_id, nullptr);
return product_id;
}
uint16_t BluetoothDeviceBlueZ::GetDeviceID() const {
uint16_t device_id = 0;
ParseModalias(object_path_, nullptr, nullptr, nullptr, &device_id);
return device_id;
}
uint16_t BluetoothDeviceBlueZ::GetAppearance() const {
bluez::BluetoothDeviceClient::Properties* properties =
bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->GetProperties(
object_path_);
DCHECK(properties);
if (!properties->appearance.is_valid())
return kAppearanceNotPresent;
return properties->appearance.value();
}
base::Optional<std::string> BluetoothDeviceBlueZ::GetName() const {
bluez::BluetoothDeviceClient::Properties* properties =
bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->GetProperties(
object_path_);
DCHECK(properties);
if (properties->name.is_valid())
return properties->name.value();
else
return base::nullopt;
}
bool BluetoothDeviceBlueZ::IsPaired() const {
bluez::BluetoothDeviceClient::Properties* properties =
bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->GetProperties(
object_path_);
DCHECK(properties);
// The Paired property reflects the successful pairing for BR/EDR/LE. The
// value of the Paired property is always false for the devices that don't
// support pairing. Once a device is paired successfully, both Paired and
// Trusted properties will be set to true.
return properties->paired.value();
}
bool BluetoothDeviceBlueZ::IsConnected() const {
bluez::BluetoothDeviceClient::Properties* properties =
bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->GetProperties(
object_path_);
DCHECK(properties);
return properties->connected.value();
}
bool BluetoothDeviceBlueZ::IsGattConnected() const {
// Bluez uses the same attribute for GATT Connections and Classic BT
// Connections.
return IsConnected();
}
bool BluetoothDeviceBlueZ::IsConnectable() const {
bluez::BluetoothInputClient::Properties* input_properties =
bluez::BluezDBusManager::Get()->GetBluetoothInputClient()->GetProperties(
object_path_);
// GetProperties returns nullptr when the device does not implement the given
// interface. Non HID devices are normally connectable.
if (!input_properties)
return true;
return input_properties->reconnect_mode.value() != "device";
}
bool BluetoothDeviceBlueZ::IsConnecting() const {
return num_connecting_calls_ > 0;
}
BluetoothDevice::UUIDSet BluetoothDeviceBlueZ::GetUUIDs() const {
bluez::BluetoothDeviceClient::Properties* properties =
bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->GetProperties(
object_path_);
DCHECK(properties);
UUIDSet uuids;
const std::vector<std::string>& dbus_uuids = properties->uuids.value();
for (const std::string& dbus_uuid : dbus_uuids) {
device::BluetoothUUID uuid(dbus_uuid);
DCHECK(uuid.IsValid());
uuids.insert(std::move(uuid));
}
return uuids;
}
base::Optional<int8_t> BluetoothDeviceBlueZ::GetInquiryRSSI() const {
bluez::BluetoothDeviceClient::Properties* properties =
bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->GetProperties(
object_path_);
DCHECK(properties);
if (!properties->rssi.is_valid())
return base::nullopt;
// BlueZ uses int16_t because there is no int8_t for DBus, so we should never
// get an int16_t that cannot be represented by an int8_t. But just in case
// clamp the value.
return ClampPower(properties->rssi.value());
}
base::Optional<int8_t> BluetoothDeviceBlueZ::GetInquiryTxPower() const {
bluez::BluetoothDeviceClient::Properties* properties =
bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->GetProperties(
object_path_);
DCHECK(properties);
if (!properties->tx_power.is_valid())
return base::nullopt;
// BlueZ uses int16_t because there is no int8_t for DBus, so we should never
// get an int16_t that cannot be represented by an int8_t. But just in case
// clamp the value.
return ClampPower(properties->tx_power.value());
}
bool BluetoothDeviceBlueZ::ExpectingPinCode() const {
return pairing_.get() && pairing_->ExpectingPinCode();
}
bool BluetoothDeviceBlueZ::ExpectingPasskey() const {
return pairing_.get() && pairing_->ExpectingPasskey();
}
bool BluetoothDeviceBlueZ::ExpectingConfirmation() const {
return pairing_.get() && pairing_->ExpectingConfirmation();
}
void BluetoothDeviceBlueZ::GetConnectionInfo(
const ConnectionInfoCallback& callback) {
// DBus method call should gracefully return an error if the device is not
// currently connected.
bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->GetConnInfo(
object_path_,
base::Bind(&BluetoothDeviceBlueZ::OnGetConnInfo,
weak_ptr_factory_.GetWeakPtr(), callback),
base::Bind(&BluetoothDeviceBlueZ::OnGetConnInfoError,
weak_ptr_factory_.GetWeakPtr(), callback));
}
void BluetoothDeviceBlueZ::SetConnectionLatency(
ConnectionLatency connection_latency,
const base::Closure& callback,
const ErrorCallback& error_callback) {
uint16_t min_connection_interval = MIN_CONNECTION_INTERVAL_MEDIUM;
uint16_t max_connection_interval = MAX_CONNECTION_INTERVAL_MEDIUM;
switch (connection_latency) {
case ConnectionLatency::CONNECTION_LATENCY_LOW:
min_connection_interval = MIN_CONNECTION_INTERVAL_LOW;
max_connection_interval = MAX_CONNECTION_INTERVAL_LOW;
break;
case ConnectionLatency::CONNECTION_LATENCY_MEDIUM:
min_connection_interval = MIN_CONNECTION_INTERVAL_MEDIUM;
max_connection_interval = MAX_CONNECTION_INTERVAL_MEDIUM;
break;
case ConnectionLatency::CONNECTION_LATENCY_HIGH:
min_connection_interval = MIN_CONNECTION_INTERVAL_HIGH;
max_connection_interval = MAX_CONNECTION_INTERVAL_HIGH;
break;
default:
NOTREACHED();
break;
}
BLUETOOTH_LOG(EVENT) << "Setting LE connection parameters: min="
<< min_connection_interval
<< ", max=" << max_connection_interval;
bluez::BluetoothDeviceClient::ConnectionParameters connection_parameters;
connection_parameters.min_connection_interval = min_connection_interval;
connection_parameters.max_connection_interval = max_connection_interval;
bluez::BluetoothDeviceClient* client =
bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient();
client->SetLEConnectionParameters(
object_path_, connection_parameters,
base::Bind(&BluetoothDeviceBlueZ::OnSetLEConnectionParameters,
weak_ptr_factory_.GetWeakPtr(), callback),
base::Bind(&BluetoothDeviceBlueZ::OnSetLEConnectionParametersError,
weak_ptr_factory_.GetWeakPtr(), error_callback));
}
void BluetoothDeviceBlueZ::Connect(
BluetoothDevice::PairingDelegate* pairing_delegate,
const base::Closure& callback,
const ConnectErrorCallback& error_callback) {
if (num_connecting_calls_++ == 0)
adapter()->NotifyDeviceChanged(this);
BLUETOOTH_LOG(EVENT) << object_path_.value() << ": Connecting, "
<< num_connecting_calls_ << " in progress";
if (IsPaired() || !pairing_delegate) {
// No need to pair, or unable to, skip straight to connection.
bluez::BluezDBusManager::Get()->GetBluetoothAdapterClient()->PauseDiscovery(
adapter()->object_path(),
base::Bind(&BluetoothDeviceBlueZ::ConnectInternal,
weak_ptr_factory_.GetWeakPtr(), false, callback,
error_callback),
base::Bind(
[](base::WeakPtr<BluetoothDeviceBlueZ> weak_ptr,
const base::Closure& callback,
const ConnectErrorCallback& error_callback,
const std::string& error_name,
const std::string& error_message) {
if (weak_ptr)
weak_ptr->ConnectInternal(false, callback, error_callback);
},
weak_ptr_factory_.GetWeakPtr(), callback, error_callback));
} else {
// Initiate high-security connection with pairing.
BeginPairing(pairing_delegate);
bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->Pair(
object_path_,
base::Bind(&BluetoothDeviceBlueZ::OnPairDuringConnect,
weak_ptr_factory_.GetWeakPtr(), callback, error_callback),
base::Bind(&BluetoothDeviceBlueZ::OnPairDuringConnectError,
weak_ptr_factory_.GetWeakPtr(), error_callback));
}
}
void BluetoothDeviceBlueZ::Pair(
BluetoothDevice::PairingDelegate* pairing_delegate,
const base::Closure& callback,
const ConnectErrorCallback& error_callback) {
DCHECK(pairing_delegate);
BeginPairing(pairing_delegate);
bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->Pair(
object_path_,
base::Bind(&BluetoothDeviceBlueZ::OnPair, weak_ptr_factory_.GetWeakPtr(),
callback),
base::Bind(&BluetoothDeviceBlueZ::OnPairError,
weak_ptr_factory_.GetWeakPtr(), error_callback));
}
void BluetoothDeviceBlueZ::SetPinCode(const std::string& pincode) {
if (!pairing_.get())
return;
pairing_->SetPinCode(pincode);
}
void BluetoothDeviceBlueZ::SetPasskey(uint32_t passkey) {
if (!pairing_.get())
return;
pairing_->SetPasskey(passkey);
}
void BluetoothDeviceBlueZ::ConfirmPairing() {
if (!pairing_.get())
return;
pairing_->ConfirmPairing();
}
void BluetoothDeviceBlueZ::RejectPairing() {
if (!pairing_.get())
return;
pairing_->RejectPairing();
}
void BluetoothDeviceBlueZ::CancelPairing() {
bool canceled = false;
BLUETOOTH_LOG(EVENT) << object_path_.value() << ": CancelPairing";
// If there is a callback in progress that we can reply to then use that
// to cancel the current pairing request.
if (pairing_.get() && pairing_->CancelPairing())
canceled = true;
// If not we have to send an explicit CancelPairing() to the device instead.
if (!canceled) {
BLUETOOTH_LOG(DEBUG) << object_path_.value()
<< ": No pairing context or callback. "
<< "Sending explicit cancel";
bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->CancelPairing(
object_path_, base::DoNothing(),
base::Bind(&BluetoothDeviceBlueZ::OnCancelPairingError,
weak_ptr_factory_.GetWeakPtr()));
}
// Since there is no callback to this method it's possible that the pairing
// delegate is going to be freed before things complete (indeed it's
// documented that this is the method you should call while freeing the
// pairing delegate), so clear our the context holding on to it.
EndPairing();
}
void BluetoothDeviceBlueZ::Disconnect(const base::Closure& callback,
const ErrorCallback& error_callback) {
BLUETOOTH_LOG(EVENT) << object_path_.value() << ": Disconnecting";
bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->Disconnect(
object_path_,
base::Bind(&BluetoothDeviceBlueZ::OnDisconnect,
weak_ptr_factory_.GetWeakPtr(), callback),
base::Bind(&BluetoothDeviceBlueZ::OnDisconnectError,
weak_ptr_factory_.GetWeakPtr(), error_callback));
}
void BluetoothDeviceBlueZ::Forget(const base::Closure& callback,
const ErrorCallback& error_callback) {
BLUETOOTH_LOG(EVENT) << object_path_.value() << ": Removing device";
bluez::BluezDBusManager::Get()->GetBluetoothAdapterClient()->RemoveDevice(
adapter()->object_path(), object_path_, callback,
base::Bind(&BluetoothDeviceBlueZ::OnForgetError,
weak_ptr_factory_.GetWeakPtr(), error_callback));
}
void BluetoothDeviceBlueZ::ConnectToService(
const BluetoothUUID& uuid,
const ConnectToServiceCallback& callback,
const ConnectToServiceErrorCallback& error_callback) {
BLUETOOTH_LOG(EVENT) << object_path_.value()
<< ": Connecting to service: " << uuid.canonical_value();
scoped_refptr<BluetoothSocketBlueZ> socket =
BluetoothSocketBlueZ::CreateBluetoothSocket(ui_task_runner_,
socket_thread_);
socket->Connect(this, uuid, BluetoothSocketBlueZ::SECURITY_LEVEL_MEDIUM,
base::Bind(callback, socket), error_callback);
}
void BluetoothDeviceBlueZ::ConnectToServiceInsecurely(
const BluetoothUUID& uuid,
const ConnectToServiceCallback& callback,
const ConnectToServiceErrorCallback& error_callback) {
BLUETOOTH_LOG(EVENT) << object_path_.value()
<< ": Connecting insecurely to service: "
<< uuid.canonical_value();
scoped_refptr<BluetoothSocketBlueZ> socket =
BluetoothSocketBlueZ::CreateBluetoothSocket(ui_task_runner_,
socket_thread_);
socket->Connect(this, uuid, BluetoothSocketBlueZ::SECURITY_LEVEL_LOW,
base::Bind(callback, socket), error_callback);
}
void BluetoothDeviceBlueZ::CreateGattConnection(
const GattConnectionCallback& callback,
const ConnectErrorCallback& error_callback) {
// TODO(sacomoto): Workaround to retrieve the connection for already connected
// devices. Currently, BluetoothGattConnection::Disconnect doesn't do
// anything, the unique underlying physical GATT connection is kept. This
// should be removed once the correct behavour is implemented and the GATT
// connections are reference counted (see todo below).
if (IsConnected()) {
OnCreateGattConnection(callback);
return;
}
// TODO(crbug.com/630586): Until there is a way to create a reference counted
// GATT connection in bluetoothd, simply do a regular connect.
Connect(nullptr,
base::Bind(&BluetoothDeviceBlueZ::OnCreateGattConnection,
weak_ptr_factory_.GetWeakPtr(), callback),
error_callback);
}
void BluetoothDeviceBlueZ::GetServiceRecords(
const GetServiceRecordsCallback& callback,
const GetServiceRecordsErrorCallback& error_callback) {
bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->GetServiceRecords(
object_path_, callback,
base::Bind(&BluetoothDeviceBlueZ::OnGetServiceRecordsError,
weak_ptr_factory_.GetWeakPtr(), error_callback));
}
#if defined(OS_CHROMEOS)
void BluetoothDeviceBlueZ::ExecuteWrite(
const base::Closure& callback,
const ExecuteWriteErrorCallback& error_callback) {
bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->ExecuteWrite(
object_path_, callback,
base::Bind(&BluetoothDeviceBlueZ::OnExecuteWriteError,
weak_ptr_factory_.GetWeakPtr(), error_callback));
}
void BluetoothDeviceBlueZ::AbortWrite(
const base::Closure& callback,
const AbortWriteErrorCallback& error_callback) {
bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->AbortWrite(
object_path_, callback,
base::Bind(&BluetoothDeviceBlueZ::OnAbortWriteError,
weak_ptr_factory_.GetWeakPtr(), error_callback));
}
#endif
void BluetoothDeviceBlueZ::UpdateServiceData() {
bluez::BluetoothDeviceClient::Properties* properties =
bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->GetProperties(
object_path_);
if (!properties || !properties->service_data.is_valid())
return;
service_data_.clear();
for (const auto& pair : properties->service_data.value())
service_data_[BluetoothUUID(pair.first)] = pair.second;
}
void BluetoothDeviceBlueZ::UpdateManufacturerData() {
bluez::BluetoothDeviceClient::Properties* properties =
bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->GetProperties(
object_path_);
if (!properties || !properties->manufacturer_data.is_valid())
return;
manufacturer_data_.clear();
if (properties->manufacturer_data.is_valid()) {
for (const auto& pair : properties->manufacturer_data.value())
manufacturer_data_[pair.first] = pair.second;
}
}
void BluetoothDeviceBlueZ::UpdateAdvertisingDataFlags() {
bluez::BluetoothDeviceClient::Properties* properties =
bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->GetProperties(
object_path_);
if (!properties || !properties->advertising_data_flags.is_valid())
return;
// The advertising data flags property is a vector<uint8> because the
// Supplement to Bluetooth Core Specification Version 6 page 13 said that
// "The Flags field may be zero or more octets long." However, only the first
// byte of that is needed because there is only 5 bits of data defined there.
advertising_data_flags_ = properties->advertising_data_flags.value()[0];
}
BluetoothPairingBlueZ* BluetoothDeviceBlueZ::BeginPairing(
BluetoothDevice::PairingDelegate* pairing_delegate) {
pairing_.reset(new BluetoothPairingBlueZ(this, pairing_delegate));
return pairing_.get();
}
void BluetoothDeviceBlueZ::EndPairing() {
pairing_.reset();
}
BluetoothPairingBlueZ* BluetoothDeviceBlueZ::GetPairing() const {
return pairing_.get();
}
BluetoothAdapterBlueZ* BluetoothDeviceBlueZ::adapter() const {
return static_cast<BluetoothAdapterBlueZ*>(adapter_);
}
void BluetoothDeviceBlueZ::GattServiceAdded(
const dbus::ObjectPath& object_path) {
if (GetGattService(object_path.value())) {
BLUETOOTH_LOG(DEBUG) << "Remote GATT service already exists: "
<< object_path.value();
return;
}
bluez::BluetoothGattServiceClient::Properties* properties =
bluez::BluezDBusManager::Get()
->GetBluetoothGattServiceClient()
->GetProperties(object_path);
DCHECK(properties);
if (properties->device.value() != object_path_) {
BLUETOOTH_LOG(DEBUG)
<< "Remote GATT service does not belong to this device.";
return;
}
BLUETOOTH_LOG(EVENT) << "Adding new remote GATT service for device: "
<< GetAddress();
BluetoothRemoteGattServiceBlueZ* service =
new BluetoothRemoteGattServiceBlueZ(adapter(), this, object_path);
gatt_services_[service->GetIdentifier()] = base::WrapUnique(service);
DCHECK(service->object_path() == object_path);
DCHECK(service->GetUUID().IsValid());
DCHECK(adapter());
adapter()->NotifyGattServiceAdded(service);
}
void BluetoothDeviceBlueZ::GattServiceRemoved(
const dbus::ObjectPath& object_path) {
auto iter = gatt_services_.find(object_path.value());
if (iter == gatt_services_.end()) {
VLOG(3) << "Unknown GATT service removed: " << object_path.value();
return;
}
BluetoothRemoteGattServiceBlueZ* service =
static_cast<BluetoothRemoteGattServiceBlueZ*>(iter->second.get());
BLUETOOTH_LOG(EVENT) << "Removing remote GATT service with UUID: '"
<< service->GetUUID().canonical_value()
<< "' from device: " << GetAddress();
DCHECK(service->object_path() == object_path);
std::unique_ptr<BluetoothRemoteGattService> scoped_service =
std::move(gatt_services_[object_path.value()]);
gatt_services_.erase(iter);
DCHECK(adapter());
discovery_complete_notified_.erase(service);
adapter()->NotifyGattServiceRemoved(service);
}
void BluetoothDeviceBlueZ::UpdateGattServices(
const dbus::ObjectPath& object_path) {
if (object_path != object_path_) {
// No need to update map if update is for a different device.
return;
}
DCHECK(IsGattServicesDiscoveryComplete());
VLOG(3) << "Updating the list of GATT services associated with device "
<< object_path_.value();
const std::vector<dbus::ObjectPath> service_paths =
bluez::BluezDBusManager::Get()
->GetBluetoothGattServiceClient()
->GetServices();
for (const auto& service_path : service_paths) {
// Add all previously unknown GATT services associated with the device.
GattServiceAdded(service_path);
// If the service does not belong in this device, there is nothing left to
// do.
BluetoothRemoteGattService* service = GetGattService(service_path.value());
if (service == nullptr) {
return;
}
// Notify of GATT discovery complete if we haven't before.
auto notified_pair = discovery_complete_notified_.insert(service);
if (notified_pair.second) {
adapter()->NotifyGattDiscoveryComplete(service);
}
}
}
void BluetoothDeviceBlueZ::OnGetConnInfo(const ConnectionInfoCallback& callback,
int16_t rssi,
int16_t transmit_power,
int16_t max_transmit_power) {
callback.Run(ConnectionInfo(rssi, transmit_power, max_transmit_power));
}
void BluetoothDeviceBlueZ::OnGetConnInfoError(
const ConnectionInfoCallback& callback,
const std::string& error_name,
const std::string& error_message) {
BLUETOOTH_LOG(ERROR) << object_path_.value()
<< ": Failed to get connection info: " << error_name
<< ": " << error_message;
callback.Run(ConnectionInfo());
}
void BluetoothDeviceBlueZ::OnSetLEConnectionParameters(
const base::Closure& callback) {
callback.Run();
}
void BluetoothDeviceBlueZ::OnSetLEConnectionParametersError(
const ErrorCallback& callback,
const std::string& error_name,
const std::string& error_message) {
BLUETOOTH_LOG(ERROR) << object_path_.value()
<< ": Failed to set connection parameters: "
<< error_name << ": " << error_message;
callback.Run();
}
void BluetoothDeviceBlueZ::OnGetServiceRecordsError(
const GetServiceRecordsErrorCallback& error_callback,
const std::string& error_name,
const std::string& error_message) {
BLUETOOTH_LOG(EVENT) << object_path_.value()
<< ": Failed to get service records: " << error_name
<< ": " << error_message;
BluetoothServiceRecordBlueZ::ErrorCode code =
BluetoothServiceRecordBlueZ::ErrorCode::UNKNOWN;
if (error_name == bluetooth_device::kErrorNotConnected) {
code = BluetoothServiceRecordBlueZ::ErrorCode::ERROR_DEVICE_DISCONNECTED;
}
error_callback.Run(code);
}
#if defined(OS_CHROMEOS)
void BluetoothDeviceBlueZ::OnExecuteWriteError(
const ExecuteWriteErrorCallback& error_callback,
const std::string& error_name,
const std::string& error_message) {
BLUETOOTH_LOG(EVENT) << object_path_.value()
<< ": Failed to execute write: " << error_name << ": "
<< error_message;
error_callback.Run(
BluetoothGattServiceBlueZ::DBusErrorToServiceError(error_name));
}
void BluetoothDeviceBlueZ::OnAbortWriteError(
const AbortWriteErrorCallback& error_callback,
const std::string& error_name,
const std::string& error_message) {
BLUETOOTH_LOG(EVENT) << object_path_.value()
<< ": Failed to abort write: " << error_name << ": "
<< error_message;
error_callback.Run(
BluetoothGattServiceBlueZ::DBusErrorToServiceError(error_name));
}
#endif
void BluetoothDeviceBlueZ::ConnectInternal(
bool after_pairing,
const base::Closure& callback,
const ConnectErrorCallback& error_callback) {
BLUETOOTH_LOG(EVENT) << object_path_.value() << ": Connecting";
bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->Connect(
object_path_,
base::Bind(&BluetoothDeviceBlueZ::OnConnect,
weak_ptr_factory_.GetWeakPtr(), after_pairing, callback),
base::Bind(&BluetoothDeviceBlueZ::OnConnectError,
weak_ptr_factory_.GetWeakPtr(), after_pairing,
error_callback));
}
void BluetoothDeviceBlueZ::OnConnect(bool after_pairing,
const base::Closure& callback) {
bluez::BluezDBusManager::Get()->GetBluetoothAdapterClient()->UnpauseDiscovery(
adapter()->object_path(), base::DoNothing(), base::DoNothing());
if (--num_connecting_calls_ == 0)
adapter()->NotifyDeviceChanged(this);
DCHECK(num_connecting_calls_ >= 0);
BLUETOOTH_LOG(EVENT) << object_path_.value() << ": Connected, "
<< num_connecting_calls_ << " still in progress";
SetTrusted();
if (after_pairing)
UMA_HISTOGRAM_ENUMERATION("Bluetooth.PairingResult",
UMA_PAIRING_RESULT_SUCCESS,
UMA_PAIRING_RESULT_COUNT);
callback.Run();
}
void BluetoothDeviceBlueZ::OnCreateGattConnection(
const GattConnectionCallback& callback) {
std::unique_ptr<device::BluetoothGattConnection> conn(
new BluetoothGattConnectionBlueZ(adapter_, GetAddress(), object_path_));
callback.Run(std::move(conn));
}
void BluetoothDeviceBlueZ::OnConnectError(
bool after_pairing,
const ConnectErrorCallback& error_callback,
const std::string& error_name,
const std::string& error_message) {
bluez::BluezDBusManager::Get()->GetBluetoothAdapterClient()->UnpauseDiscovery(
adapter()->object_path(), base::DoNothing(), base::DoNothing());
if (--num_connecting_calls_ == 0)
adapter()->NotifyDeviceChanged(this);
DCHECK(num_connecting_calls_ >= 0);
BLUETOOTH_LOG(ERROR) << object_path_.value()
<< ": Failed to connect device: " << error_name << ": "
<< error_message;
BLUETOOTH_LOG(DEBUG) << object_path_.value() << ": " << num_connecting_calls_
<< " still in progress";
// Determine the error code from error_name.
ConnectErrorCode error_code = ERROR_UNKNOWN;
if (error_name == bluetooth_device::kErrorFailed) {
error_code = ERROR_FAILED;
} else if (error_name == bluetooth_device::kErrorInProgress) {
error_code = ERROR_INPROGRESS;
} else if (error_name == bluetooth_device::kErrorNotSupported) {
error_code = ERROR_UNSUPPORTED_DEVICE;
}
if (after_pairing)
RecordPairingResult(error_code);
error_callback.Run(error_code);
}
void BluetoothDeviceBlueZ::OnPairDuringConnect(
const base::Closure& callback,
const ConnectErrorCallback& error_callback) {
BLUETOOTH_LOG(EVENT) << object_path_.value() << ": Paired";
EndPairing();
ConnectInternal(true, callback, error_callback);
}
void BluetoothDeviceBlueZ::OnPairDuringConnectError(
const ConnectErrorCallback& error_callback,
const std::string& error_name,
const std::string& error_message) {
if (--num_connecting_calls_ == 0)
adapter()->NotifyDeviceChanged(this);
DCHECK(num_connecting_calls_ >= 0);
BLUETOOTH_LOG(ERROR) << object_path_.value()
<< ": Failed to pair device: " << error_name << ": "
<< error_message;
BLUETOOTH_LOG(DEBUG) << object_path_.value() << ": " << num_connecting_calls_
<< " still in progress";
EndPairing();
// Determine the error code from error_name.
ConnectErrorCode error_code = DBusErrorToConnectError(error_name);
RecordPairingResult(error_code);
error_callback.Run(error_code);
}
void BluetoothDeviceBlueZ::OnPair(const base::Closure& callback) {
BLUETOOTH_LOG(EVENT) << object_path_.value() << ": Paired";
EndPairing();
callback.Run();
}
void BluetoothDeviceBlueZ::OnPairError(
const ConnectErrorCallback& error_callback,
const std::string& error_name,
const std::string& error_message) {
BLUETOOTH_LOG(ERROR) << object_path_.value()
<< ": Failed to pair device: " << error_name << ": "
<< error_message;
EndPairing();
ConnectErrorCode error_code = DBusErrorToConnectError(error_name);
RecordPairingResult(error_code);
error_callback.Run(error_code);
}
void BluetoothDeviceBlueZ::OnCancelPairingError(
const std::string& error_name,
const std::string& error_message) {
BLUETOOTH_LOG(ERROR) << object_path_.value()
<< ": Failed to cancel pairing: " << error_name << ": "
<< error_message;
}
void BluetoothDeviceBlueZ::SetTrusted() {
// Unconditionally send the property change, rather than checking the value
// first; there's no harm in doing this and it solves any race conditions
// with the property becoming true or false and this call happening before
// we get the D-Bus signal about the earlier change.
bluez::BluezDBusManager::Get()
->GetBluetoothDeviceClient()
->GetProperties(object_path_)
->trusted.Set(true, base::Bind(&BluetoothDeviceBlueZ::OnSetTrusted,
weak_ptr_factory_.GetWeakPtr()));
}
void BluetoothDeviceBlueZ::OnSetTrusted(bool success) {
device_event_log::LogLevel log_level =
success ? device_event_log::LOG_LEVEL_DEBUG
: device_event_log::LOG_LEVEL_ERROR;
DEVICE_LOG(device_event_log::LOG_TYPE_BLUETOOTH, log_level)
<< object_path_.value() << ": OnSetTrusted: " << success;
}
void BluetoothDeviceBlueZ::OnDisconnect(const base::Closure& callback) {
BLUETOOTH_LOG(EVENT) << object_path_.value() << ": Disconnected";
callback.Run();
}
void BluetoothDeviceBlueZ::OnDisconnectError(
const ErrorCallback& error_callback,
const std::string& error_name,
const std::string& error_message) {
BLUETOOTH_LOG(ERROR) << object_path_.value()
<< ": Failed to disconnect device: " << error_name
<< ": " << error_message;
error_callback.Run();
}
void BluetoothDeviceBlueZ::OnForgetError(const ErrorCallback& error_callback,
const std::string& error_name,
const std::string& error_message) {
BLUETOOTH_LOG(ERROR) << object_path_.value()
<< ": Failed to remove device: " << error_name << ": "
<< error_message;
error_callback.Run();
}
} // namespace bluez
|