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Issue 1367663002: Add Linux support for the Bluetooth API. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@refactor_dbus
Patch Set: rebase Created 5 years, 2 months ago
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1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "device/bluetooth/bluetooth_adapter_chromeos.h"
6
7 #include <string>
8
9 #include "base/bind.h"
10 #include "base/location.h"
11 #include "base/logging.h"
12 #include "base/metrics/histogram.h"
13 #include "base/sequenced_task_runner.h"
14 #include "base/single_thread_task_runner.h"
15 #include "base/thread_task_runner_handle.h"
16 #include "chromeos/system/devicetype.h"
17 #include "device/bluetooth/bluetooth_adapter_profile_chromeos.h"
18 #include "device/bluetooth/bluetooth_advertisement_chromeos.h"
19 #include "device/bluetooth/bluetooth_audio_sink_chromeos.h"
20 #include "device/bluetooth/bluetooth_device.h"
21 #include "device/bluetooth/bluetooth_device_chromeos.h"
22 #include "device/bluetooth/bluetooth_discovery_session_outcome.h"
23 #include "device/bluetooth/bluetooth_pairing_chromeos.h"
24 #include "device/bluetooth/bluetooth_remote_gatt_characteristic_chromeos.h"
25 #include "device/bluetooth/bluetooth_remote_gatt_descriptor_chromeos.h"
26 #include "device/bluetooth/bluetooth_remote_gatt_service_chromeos.h"
27 #include "device/bluetooth/bluetooth_socket_chromeos.h"
28 #include "device/bluetooth/bluetooth_socket_thread.h"
29 #include "device/bluetooth/bluetooth_uuid.h"
30 #include "device/bluetooth/dbus/bluetooth_adapter_client.h"
31 #include "device/bluetooth/dbus/bluetooth_agent_manager_client.h"
32 #include "device/bluetooth/dbus/bluetooth_agent_service_provider.h"
33 #include "device/bluetooth/dbus/bluetooth_device_client.h"
34 #include "device/bluetooth/dbus/bluetooth_input_client.h"
35 #include "device/bluetooth/dbus/bluez_dbus_manager.h"
36 #include "third_party/cros_system_api/dbus/service_constants.h"
37
38 using device::BluetoothAdapter;
39 using device::BluetoothAudioSink;
40 using device::BluetoothDevice;
41 using device::BluetoothDiscoveryFilter;
42 using device::BluetoothSocket;
43 using device::BluetoothUUID;
44 using device::UMABluetoothDiscoverySessionOutcome;
45
46 namespace {
47
48 // The agent path is relatively meaningless since BlueZ only permits one to
49 // exist per D-Bus connection, it just has to be unique within Chromium.
50 const char kAgentPath[] = "/org/chromium/bluetooth_agent";
51
52 void OnUnregisterAgentError(const std::string& error_name,
53 const std::string& error_message) {
54 // It's okay if the agent didn't exist, it means we never saw an adapter.
55 if (error_name == bluetooth_agent_manager::kErrorDoesNotExist)
56 return;
57
58 LOG(WARNING) << "Failed to unregister pairing agent: "
59 << error_name << ": " << error_message;
60 }
61
62 UMABluetoothDiscoverySessionOutcome TranslateDiscoveryErrorToUMA(
63 const std::string& error_name) {
64 if (error_name == bluez::BluetoothAdapterClient::kUnknownAdapterError) {
65 return UMABluetoothDiscoverySessionOutcome::CHROMEOS_DBUS_UNKNOWN_ADAPTER;
66 } else if (error_name == bluez::BluetoothAdapterClient::kNoResponseError) {
67 return UMABluetoothDiscoverySessionOutcome::CHROMEOS_DBUS_NO_RESPONSE;
68 } else if (error_name == bluetooth_device::kErrorInProgress) {
69 return UMABluetoothDiscoverySessionOutcome::CHROMEOS_DBUS_IN_PROGRESS;
70 } else if (error_name == bluetooth_device::kErrorNotReady) {
71 return UMABluetoothDiscoverySessionOutcome::CHROMEOS_DBUS_NOT_READY;
72 } else if (error_name == bluetooth_device::kErrorFailed) {
73 return UMABluetoothDiscoverySessionOutcome::FAILED;
74 } else {
75 LOG(WARNING) << "Can't histogram DBus error " << error_name;
76 return UMABluetoothDiscoverySessionOutcome::UNKNOWN;
77 }
78 }
79
80 } // namespace
81
82 namespace device {
83
84 // static
85 base::WeakPtr<BluetoothAdapter> BluetoothAdapter::CreateAdapter(
86 const InitCallback& init_callback) {
87 return chromeos::BluetoothAdapterChromeOS::CreateAdapter();
88 }
89
90 } // namespace device
91
92 namespace chromeos {
93
94 // static
95 base::WeakPtr<BluetoothAdapter> BluetoothAdapterChromeOS::CreateAdapter() {
96 BluetoothAdapterChromeOS* adapter = new BluetoothAdapterChromeOS();
97 return adapter->weak_ptr_factory_.GetWeakPtr();
98 }
99
100 void BluetoothAdapterChromeOS::Shutdown() {
101 if (dbus_is_shutdown_)
102 return;
103 DCHECK(bluez::BluezDBusManager::IsInitialized())
104 << "Call BluetoothAdapterFactory::Shutdown() before "
105 "BluezDBusManager::Shutdown().";
106
107 if (IsPresent())
108 RemoveAdapter(); // Also deletes devices_.
109 DCHECK(devices_.empty());
110 // profiles_ is empty because all BluetoothSockets have been notified
111 // that this adapter is disappearing.
112 DCHECK(profiles_.empty());
113
114 for (auto& it : profile_queues_)
115 delete it.second;
116 profile_queues_.clear();
117
118 bluez::BluezDBusManager::Get()->GetBluetoothAdapterClient()->RemoveObserver(
119 this);
120 bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->RemoveObserver(
121 this);
122 bluez::BluezDBusManager::Get()->GetBluetoothInputClient()->RemoveObserver(
123 this);
124
125 VLOG(1) << "Unregistering pairing agent";
126 bluez::BluezDBusManager::Get()
127 ->GetBluetoothAgentManagerClient()
128 ->UnregisterAgent(dbus::ObjectPath(kAgentPath),
129 base::Bind(&base::DoNothing),
130 base::Bind(&OnUnregisterAgentError));
131
132 agent_.reset();
133 dbus_is_shutdown_ = true;
134 }
135
136 BluetoothAdapterChromeOS::BluetoothAdapterChromeOS()
137 : dbus_is_shutdown_(false),
138 num_discovery_sessions_(0),
139 discovery_request_pending_(false),
140 weak_ptr_factory_(this) {
141 ui_task_runner_ = base::ThreadTaskRunnerHandle::Get();
142 socket_thread_ = device::BluetoothSocketThread::Get();
143
144 bluez::BluezDBusManager::Get()->GetBluetoothAdapterClient()->AddObserver(
145 this);
146 bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->AddObserver(this);
147 bluez::BluezDBusManager::Get()->GetBluetoothInputClient()->AddObserver(this);
148
149 // Register the pairing agent.
150 dbus::Bus* system_bus = bluez::BluezDBusManager::Get()->GetSystemBus();
151 agent_.reset(bluez::BluetoothAgentServiceProvider::Create(
152 system_bus, dbus::ObjectPath(kAgentPath), this));
153 DCHECK(agent_.get());
154
155 std::vector<dbus::ObjectPath> object_paths = bluez::BluezDBusManager::Get()
156 ->GetBluetoothAdapterClient()
157 ->GetAdapters();
158
159 if (!object_paths.empty()) {
160 VLOG(1) << object_paths.size() << " Bluetooth adapter(s) available.";
161 SetAdapter(object_paths[0]);
162 }
163 }
164
165 BluetoothAdapterChromeOS::~BluetoothAdapterChromeOS() {
166 Shutdown();
167 }
168
169 std::string BluetoothAdapterChromeOS::GetAddress() const {
170 if (!IsPresent())
171 return std::string();
172
173 bluez::BluetoothAdapterClient::Properties* properties =
174 bluez::BluezDBusManager::Get()
175 ->GetBluetoothAdapterClient()
176 ->GetProperties(object_path_);
177 DCHECK(properties);
178
179 return BluetoothDevice::CanonicalizeAddress(properties->address.value());
180 }
181
182 std::string BluetoothAdapterChromeOS::GetName() const {
183 if (!IsPresent())
184 return std::string();
185
186 bluez::BluetoothAdapterClient::Properties* properties =
187 bluez::BluezDBusManager::Get()
188 ->GetBluetoothAdapterClient()
189 ->GetProperties(object_path_);
190 DCHECK(properties);
191
192 return properties->alias.value();
193 }
194
195 void BluetoothAdapterChromeOS::SetName(const std::string& name,
196 const base::Closure& callback,
197 const ErrorCallback& error_callback) {
198 if (!IsPresent()) {
199 error_callback.Run();
200 return;
201 }
202
203 bluez::BluezDBusManager::Get()
204 ->GetBluetoothAdapterClient()
205 ->GetProperties(object_path_)
206 ->alias.Set(
207 name,
208 base::Bind(&BluetoothAdapterChromeOS::OnPropertyChangeCompleted,
209 weak_ptr_factory_.GetWeakPtr(), callback, error_callback));
210 }
211
212 bool BluetoothAdapterChromeOS::IsInitialized() const {
213 return true;
214 }
215
216 bool BluetoothAdapterChromeOS::IsPresent() const {
217 return !dbus_is_shutdown_ && !object_path_.value().empty();
218 }
219
220 bool BluetoothAdapterChromeOS::IsPowered() const {
221 if (!IsPresent())
222 return false;
223
224 bluez::BluetoothAdapterClient::Properties* properties =
225 bluez::BluezDBusManager::Get()
226 ->GetBluetoothAdapterClient()
227 ->GetProperties(object_path_);
228
229 return properties->powered.value();
230 }
231
232 void BluetoothAdapterChromeOS::SetPowered(
233 bool powered,
234 const base::Closure& callback,
235 const ErrorCallback& error_callback) {
236 if (!IsPresent()) {
237 error_callback.Run();
238 return;
239 }
240
241 bluez::BluezDBusManager::Get()
242 ->GetBluetoothAdapterClient()
243 ->GetProperties(object_path_)
244 ->powered.Set(
245 powered,
246 base::Bind(&BluetoothAdapterChromeOS::OnPropertyChangeCompleted,
247 weak_ptr_factory_.GetWeakPtr(), callback, error_callback));
248 }
249
250 bool BluetoothAdapterChromeOS::IsDiscoverable() const {
251 if (!IsPresent())
252 return false;
253
254 bluez::BluetoothAdapterClient::Properties* properties =
255 bluez::BluezDBusManager::Get()
256 ->GetBluetoothAdapterClient()
257 ->GetProperties(object_path_);
258
259 return properties->discoverable.value();
260 }
261
262 void BluetoothAdapterChromeOS::SetDiscoverable(
263 bool discoverable,
264 const base::Closure& callback,
265 const ErrorCallback& error_callback) {
266 if (!IsPresent()) {
267 error_callback.Run();
268 return;
269 }
270
271 bluez::BluezDBusManager::Get()
272 ->GetBluetoothAdapterClient()
273 ->GetProperties(object_path_)
274 ->discoverable.Set(
275 discoverable,
276 base::Bind(&BluetoothAdapterChromeOS::OnSetDiscoverable,
277 weak_ptr_factory_.GetWeakPtr(), callback, error_callback));
278 }
279
280 bool BluetoothAdapterChromeOS::IsDiscovering() const {
281 if (!IsPresent())
282 return false;
283
284 bluez::BluetoothAdapterClient::Properties* properties =
285 bluez::BluezDBusManager::Get()
286 ->GetBluetoothAdapterClient()
287 ->GetProperties(object_path_);
288
289 return properties->discovering.value();
290 }
291
292 void BluetoothAdapterChromeOS::CreateRfcommService(
293 const BluetoothUUID& uuid,
294 const ServiceOptions& options,
295 const CreateServiceCallback& callback,
296 const CreateServiceErrorCallback& error_callback) {
297 DCHECK(!dbus_is_shutdown_);
298 VLOG(1) << object_path_.value() << ": Creating RFCOMM service: "
299 << uuid.canonical_value();
300 scoped_refptr<BluetoothSocketChromeOS> socket =
301 BluetoothSocketChromeOS::CreateBluetoothSocket(
302 ui_task_runner_, socket_thread_);
303 socket->Listen(this,
304 BluetoothSocketChromeOS::kRfcomm,
305 uuid,
306 options,
307 base::Bind(callback, socket),
308 error_callback);
309 }
310
311 void BluetoothAdapterChromeOS::CreateL2capService(
312 const BluetoothUUID& uuid,
313 const ServiceOptions& options,
314 const CreateServiceCallback& callback,
315 const CreateServiceErrorCallback& error_callback) {
316 DCHECK(!dbus_is_shutdown_);
317 VLOG(1) << object_path_.value() << ": Creating L2CAP service: "
318 << uuid.canonical_value();
319 scoped_refptr<BluetoothSocketChromeOS> socket =
320 BluetoothSocketChromeOS::CreateBluetoothSocket(
321 ui_task_runner_, socket_thread_);
322 socket->Listen(this,
323 BluetoothSocketChromeOS::kL2cap,
324 uuid,
325 options,
326 base::Bind(callback, socket),
327 error_callback);
328 }
329
330 void BluetoothAdapterChromeOS::RegisterAudioSink(
331 const BluetoothAudioSink::Options& options,
332 const device::BluetoothAdapter::AcquiredCallback& callback,
333 const BluetoothAudioSink::ErrorCallback& error_callback) {
334 VLOG(1) << "Registering audio sink";
335 if (!this->IsPresent()) {
336 error_callback.Run(BluetoothAudioSink::ERROR_INVALID_ADAPTER);
337 return;
338 }
339 scoped_refptr<BluetoothAudioSinkChromeOS> audio_sink(
340 new BluetoothAudioSinkChromeOS(this));
341 audio_sink->Register(
342 options, base::Bind(&BluetoothAdapterChromeOS::OnRegisterAudioSink,
343 weak_ptr_factory_.GetWeakPtr(), callback,
344 error_callback, audio_sink),
345 error_callback);
346 }
347
348 void BluetoothAdapterChromeOS::RegisterAdvertisement(
349 scoped_ptr<device::BluetoothAdvertisement::Data> advertisement_data,
350 const CreateAdvertisementCallback& callback,
351 const CreateAdvertisementErrorCallback& error_callback) {
352 scoped_refptr<BluetoothAdvertisementChromeOS> advertisement(
353 new BluetoothAdvertisementChromeOS(advertisement_data.Pass(), this));
354 advertisement->Register(base::Bind(callback, advertisement), error_callback);
355 }
356
357 void BluetoothAdapterChromeOS::RemovePairingDelegateInternal(
358 BluetoothDevice::PairingDelegate* pairing_delegate) {
359 // Check if any device is using the pairing delegate.
360 // If so, clear the pairing context which will make any responses no-ops.
361 for (DevicesMap::iterator iter = devices_.begin();
362 iter != devices_.end(); ++iter) {
363 BluetoothDeviceChromeOS* device_chromeos =
364 static_cast<BluetoothDeviceChromeOS*>(iter->second);
365
366 BluetoothPairingChromeOS* pairing = device_chromeos->GetPairing();
367 if (pairing && pairing->GetPairingDelegate() == pairing_delegate)
368 device_chromeos->EndPairing();
369 }
370 }
371
372 void BluetoothAdapterChromeOS::AdapterAdded(
373 const dbus::ObjectPath& object_path) {
374 // Set the adapter to the newly added adapter only if no adapter is present.
375 if (!IsPresent())
376 SetAdapter(object_path);
377 }
378
379 void BluetoothAdapterChromeOS::AdapterRemoved(
380 const dbus::ObjectPath& object_path) {
381 if (object_path == object_path_)
382 RemoveAdapter();
383 }
384
385 void BluetoothAdapterChromeOS::AdapterPropertyChanged(
386 const dbus::ObjectPath& object_path,
387 const std::string& property_name) {
388 if (object_path != object_path_)
389 return;
390 DCHECK(IsPresent());
391
392 bluez::BluetoothAdapterClient::Properties* properties =
393 bluez::BluezDBusManager::Get()
394 ->GetBluetoothAdapterClient()
395 ->GetProperties(object_path_);
396
397 if (property_name == properties->powered.name()) {
398 PoweredChanged(properties->powered.value());
399 } else if (property_name == properties->discoverable.name()) {
400 DiscoverableChanged(properties->discoverable.value());
401 } else if (property_name == properties->discovering.name()) {
402 DiscoveringChanged(properties->discovering.value());
403 }
404 }
405
406 void BluetoothAdapterChromeOS::DeviceAdded(
407 const dbus::ObjectPath& object_path) {
408 DCHECK(bluez::BluezDBusManager::Get());
409 bluez::BluetoothDeviceClient::Properties* properties =
410 bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->GetProperties(
411 object_path);
412 if (!properties || properties->adapter.value() != object_path_)
413 return;
414 DCHECK(IsPresent());
415
416 BluetoothDeviceChromeOS* device_chromeos =
417 new BluetoothDeviceChromeOS(this,
418 object_path,
419 ui_task_runner_,
420 socket_thread_);
421 DCHECK(devices_.find(device_chromeos->GetAddress()) == devices_.end());
422
423 devices_[device_chromeos->GetAddress()] = device_chromeos;
424
425 FOR_EACH_OBSERVER(BluetoothAdapter::Observer, observers_,
426 DeviceAdded(this, device_chromeos));
427 }
428
429 void BluetoothAdapterChromeOS::DeviceRemoved(
430 const dbus::ObjectPath& object_path) {
431 for (DevicesMap::iterator iter = devices_.begin();
432 iter != devices_.end(); ++iter) {
433 BluetoothDeviceChromeOS* device_chromeos =
434 static_cast<BluetoothDeviceChromeOS*>(iter->second);
435 if (device_chromeos->object_path() == object_path) {
436 devices_.erase(iter);
437
438 FOR_EACH_OBSERVER(BluetoothAdapter::Observer, observers_,
439 DeviceRemoved(this, device_chromeos));
440 delete device_chromeos;
441 return;
442 }
443 }
444 }
445
446 void BluetoothAdapterChromeOS::DevicePropertyChanged(
447 const dbus::ObjectPath& object_path,
448 const std::string& property_name) {
449 BluetoothDeviceChromeOS* device_chromeos = GetDeviceWithPath(object_path);
450 if (!device_chromeos)
451 return;
452
453 bluez::BluetoothDeviceClient::Properties* properties =
454 bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->GetProperties(
455 object_path);
456
457 if (property_name == properties->address.name()) {
458 for (auto iter = devices_.begin(); iter != devices_.end(); ++iter) {
459 if (iter->second->GetAddress() == device_chromeos->GetAddress()) {
460 std::string old_address = iter->first;
461 VLOG(1) << "Device changed address, old: " << old_address
462 << " new: " << device_chromeos->GetAddress();
463 devices_.erase(iter);
464
465 DCHECK(devices_.find(device_chromeos->GetAddress()) == devices_.end());
466 devices_[device_chromeos->GetAddress()] = device_chromeos;
467 NotifyDeviceAddressChanged(device_chromeos, old_address);
468 break;
469 }
470 }
471 }
472
473 if (property_name == properties->bluetooth_class.name() ||
474 property_name == properties->address.name() ||
475 property_name == properties->alias.name() ||
476 property_name == properties->paired.name() ||
477 property_name == properties->trusted.name() ||
478 property_name == properties->connected.name() ||
479 property_name == properties->uuids.name() ||
480 property_name == properties->rssi.name() ||
481 property_name == properties->tx_power.name()) {
482 NotifyDeviceChanged(device_chromeos);
483 }
484
485 // When a device becomes paired, mark it as trusted so that the user does
486 // not need to approve every incoming connection
487 if (property_name == properties->paired.name() &&
488 properties->paired.value() && !properties->trusted.value()) {
489 device_chromeos->SetTrusted();
490 }
491
492 // UMA connection counting
493 if (property_name == properties->connected.name()) {
494 // PlayStation joystick tries to reconnect after disconnection from USB.
495 // If it is still not trusted, set it, so it becomes available on the
496 // list of known devices.
497 if (properties->connected.value() && device_chromeos->IsTrustable() &&
498 !properties->trusted.value())
499 device_chromeos->SetTrusted();
500
501 int count = 0;
502
503 for (DevicesMap::iterator iter = devices_.begin();
504 iter != devices_.end(); ++iter) {
505 if (iter->second->IsPaired() && iter->second->IsConnected())
506 ++count;
507 }
508
509 UMA_HISTOGRAM_COUNTS_100("Bluetooth.ConnectedDeviceCount", count);
510 }
511 }
512
513 void BluetoothAdapterChromeOS::InputPropertyChanged(
514 const dbus::ObjectPath& object_path,
515 const std::string& property_name) {
516 BluetoothDeviceChromeOS* device_chromeos = GetDeviceWithPath(object_path);
517 if (!device_chromeos)
518 return;
519
520 bluez::BluetoothInputClient::Properties* properties =
521 bluez::BluezDBusManager::Get()->GetBluetoothInputClient()->GetProperties(
522 object_path);
523
524 // Properties structure can be removed, which triggers a change in the
525 // BluetoothDevice::IsConnectable() property, as does a change in the
526 // actual reconnect_mode property.
527 if (!properties || property_name == properties->reconnect_mode.name()) {
528 NotifyDeviceChanged(device_chromeos);
529 }
530 }
531
532 void BluetoothAdapterChromeOS::Released() {
533 VLOG(1) << "Release";
534 if (!IsPresent())
535 return;
536 DCHECK(agent_.get());
537
538 // Called after we unregister the pairing agent, e.g. when changing I/O
539 // capabilities. Nothing much to be done right now.
540 }
541
542 void BluetoothAdapterChromeOS::RequestPinCode(
543 const dbus::ObjectPath& device_path,
544 const PinCodeCallback& callback) {
545 DCHECK(IsPresent());
546 DCHECK(agent_.get());
547 VLOG(1) << device_path.value() << ": RequestPinCode";
548
549 BluetoothPairingChromeOS* pairing = GetPairing(device_path);
550 if (!pairing) {
551 callback.Run(REJECTED, "");
552 return;
553 }
554
555 pairing->RequestPinCode(callback);
556 }
557
558 void BluetoothAdapterChromeOS::DisplayPinCode(
559 const dbus::ObjectPath& device_path,
560 const std::string& pincode) {
561 DCHECK(IsPresent());
562 DCHECK(agent_.get());
563 VLOG(1) << device_path.value() << ": DisplayPinCode: " << pincode;
564
565 BluetoothPairingChromeOS* pairing = GetPairing(device_path);
566 if (!pairing)
567 return;
568
569 pairing->DisplayPinCode(pincode);
570 }
571
572 void BluetoothAdapterChromeOS::RequestPasskey(
573 const dbus::ObjectPath& device_path,
574 const PasskeyCallback& callback) {
575 DCHECK(IsPresent());
576 DCHECK(agent_.get());
577 VLOG(1) << device_path.value() << ": RequestPasskey";
578
579 BluetoothPairingChromeOS* pairing = GetPairing(device_path);
580 if (!pairing) {
581 callback.Run(REJECTED, 0);
582 return;
583 }
584
585 pairing->RequestPasskey(callback);
586 }
587
588 void BluetoothAdapterChromeOS::DisplayPasskey(
589 const dbus::ObjectPath& device_path,
590 uint32 passkey,
591 uint16 entered) {
592 DCHECK(IsPresent());
593 DCHECK(agent_.get());
594 VLOG(1) << device_path.value() << ": DisplayPasskey: " << passkey
595 << " (" << entered << " entered)";
596
597 BluetoothPairingChromeOS* pairing = GetPairing(device_path);
598 if (!pairing)
599 return;
600
601 if (entered == 0)
602 pairing->DisplayPasskey(passkey);
603
604 pairing->KeysEntered(entered);
605 }
606
607 void BluetoothAdapterChromeOS::RequestConfirmation(
608 const dbus::ObjectPath& device_path,
609 uint32 passkey,
610 const ConfirmationCallback& callback) {
611 DCHECK(IsPresent());
612 DCHECK(agent_.get());
613 VLOG(1) << device_path.value() << ": RequestConfirmation: " << passkey;
614
615 BluetoothPairingChromeOS* pairing = GetPairing(device_path);
616 if (!pairing) {
617 callback.Run(REJECTED);
618 return;
619 }
620
621 pairing->RequestConfirmation(passkey, callback);
622 }
623
624 void BluetoothAdapterChromeOS::RequestAuthorization(
625 const dbus::ObjectPath& device_path,
626 const ConfirmationCallback& callback) {
627 DCHECK(IsPresent());
628 DCHECK(agent_.get());
629 VLOG(1) << device_path.value() << ": RequestAuthorization";
630
631 BluetoothPairingChromeOS* pairing = GetPairing(device_path);
632 if (!pairing) {
633 callback.Run(REJECTED);
634 return;
635 }
636
637 pairing->RequestAuthorization(callback);
638 }
639
640 void BluetoothAdapterChromeOS::AuthorizeService(
641 const dbus::ObjectPath& device_path,
642 const std::string& uuid,
643 const ConfirmationCallback& callback) {
644 DCHECK(IsPresent());
645 DCHECK(agent_.get());
646 VLOG(1) << device_path.value() << ": AuthorizeService: " << uuid;
647
648 BluetoothDeviceChromeOS* device_chromeos = GetDeviceWithPath(device_path);
649 if (!device_chromeos) {
650 callback.Run(CANCELLED);
651 return;
652 }
653
654 // We always set paired devices to Trusted, so the only reason that this
655 // method call would ever be called is in the case of a race condition where
656 // our "Set('Trusted', true)" method call is still pending in the Bluetooth
657 // daemon because it's busy handling the incoming connection.
658 if (device_chromeos->IsPaired()) {
659 callback.Run(SUCCESS);
660 return;
661 }
662
663 // TODO(keybuk): reject service authorizations when not paired, determine
664 // whether this is acceptable long-term.
665 LOG(WARNING) << "Rejecting service connection from unpaired device "
666 << device_chromeos->GetAddress() << " for UUID " << uuid;
667 callback.Run(REJECTED);
668 }
669
670 void BluetoothAdapterChromeOS::Cancel() {
671 DCHECK(IsPresent());
672 DCHECK(agent_.get());
673 VLOG(1) << "Cancel";
674 }
675
676 void BluetoothAdapterChromeOS::OnRegisterAgent() {
677 VLOG(1) << "Pairing agent registered, requesting to be made default";
678
679 bluez::BluezDBusManager::Get()
680 ->GetBluetoothAgentManagerClient()
681 ->RequestDefaultAgent(
682 dbus::ObjectPath(kAgentPath),
683 base::Bind(&BluetoothAdapterChromeOS::OnRequestDefaultAgent,
684 weak_ptr_factory_.GetWeakPtr()),
685 base::Bind(&BluetoothAdapterChromeOS::OnRequestDefaultAgentError,
686 weak_ptr_factory_.GetWeakPtr()));
687 }
688
689 void BluetoothAdapterChromeOS::OnRegisterAgentError(
690 const std::string& error_name,
691 const std::string& error_message) {
692 // Our agent being already registered isn't an error.
693 if (error_name == bluetooth_agent_manager::kErrorAlreadyExists)
694 return;
695
696 LOG(WARNING) << ": Failed to register pairing agent: "
697 << error_name << ": " << error_message;
698 }
699
700 void BluetoothAdapterChromeOS::OnRequestDefaultAgent() {
701 VLOG(1) << "Pairing agent now default";
702 }
703
704 void BluetoothAdapterChromeOS::OnRequestDefaultAgentError(
705 const std::string& error_name,
706 const std::string& error_message) {
707 LOG(WARNING) << ": Failed to make pairing agent default: "
708 << error_name << ": " << error_message;
709 }
710
711 void BluetoothAdapterChromeOS::OnRegisterAudioSink(
712 const device::BluetoothAdapter::AcquiredCallback& callback,
713 const device::BluetoothAudioSink::ErrorCallback& error_callback,
714 scoped_refptr<BluetoothAudioSink> audio_sink) {
715 if (!IsPresent()) {
716 VLOG(1) << "Failed to register audio sink, adapter not present";
717 error_callback.Run(BluetoothAudioSink::ERROR_INVALID_ADAPTER);
718 return;
719 }
720 DCHECK(audio_sink.get());
721 callback.Run(audio_sink);
722 }
723
724 BluetoothDeviceChromeOS*
725 BluetoothAdapterChromeOS::GetDeviceWithPath(
726 const dbus::ObjectPath& object_path) {
727 if (!IsPresent())
728 return nullptr;
729
730 for (DevicesMap::iterator iter = devices_.begin(); iter != devices_.end();
731 ++iter) {
732 BluetoothDeviceChromeOS* device_chromeos =
733 static_cast<BluetoothDeviceChromeOS*>(iter->second);
734 if (device_chromeos->object_path() == object_path)
735 return device_chromeos;
736 }
737
738 return nullptr;
739 }
740
741 BluetoothPairingChromeOS* BluetoothAdapterChromeOS::GetPairing(
742 const dbus::ObjectPath& object_path) {
743 DCHECK(IsPresent());
744 BluetoothDeviceChromeOS* device_chromeos = GetDeviceWithPath(object_path);
745 if (!device_chromeos) {
746 LOG(WARNING) << "Pairing Agent request for unknown device: "
747 << object_path.value();
748 return nullptr;
749 }
750
751 BluetoothPairingChromeOS* pairing = device_chromeos->GetPairing();
752 if (pairing)
753 return pairing;
754
755 // The device doesn't have its own pairing context, so this is an incoming
756 // pairing request that should use our best default delegate (if we have one).
757 BluetoothDevice::PairingDelegate* pairing_delegate = DefaultPairingDelegate();
758 if (!pairing_delegate)
759 return nullptr;
760
761 return device_chromeos->BeginPairing(pairing_delegate);
762 }
763
764 void BluetoothAdapterChromeOS::SetAdapter(const dbus::ObjectPath& object_path) {
765 DCHECK(!IsPresent());
766 DCHECK(!dbus_is_shutdown_);
767 object_path_ = object_path;
768
769 VLOG(1) << object_path_.value() << ": using adapter.";
770
771 VLOG(1) << "Registering pairing agent";
772 bluez::BluezDBusManager::Get()
773 ->GetBluetoothAgentManagerClient()
774 ->RegisterAgent(
775 dbus::ObjectPath(kAgentPath),
776 bluetooth_agent_manager::kKeyboardDisplayCapability,
777 base::Bind(&BluetoothAdapterChromeOS::OnRegisterAgent,
778 weak_ptr_factory_.GetWeakPtr()),
779 base::Bind(&BluetoothAdapterChromeOS::OnRegisterAgentError,
780 weak_ptr_factory_.GetWeakPtr()));
781
782 SetDefaultAdapterName();
783
784 bluez::BluetoothAdapterClient::Properties* properties =
785 bluez::BluezDBusManager::Get()
786 ->GetBluetoothAdapterClient()
787 ->GetProperties(object_path_);
788
789 PresentChanged(true);
790
791 if (properties->powered.value())
792 PoweredChanged(true);
793 if (properties->discoverable.value())
794 DiscoverableChanged(true);
795 if (properties->discovering.value())
796 DiscoveringChanged(true);
797
798 std::vector<dbus::ObjectPath> device_paths =
799 bluez::BluezDBusManager::Get()
800 ->GetBluetoothDeviceClient()
801 ->GetDevicesForAdapter(object_path_);
802
803 for (std::vector<dbus::ObjectPath>::iterator iter = device_paths.begin();
804 iter != device_paths.end(); ++iter) {
805 DeviceAdded(*iter);
806 }
807 }
808
809 void BluetoothAdapterChromeOS::SetDefaultAdapterName() {
810 DCHECK(IsPresent());
811
812 std::string alias;
813 switch (chromeos::GetDeviceType()) {
814 case DeviceType::kChromebase:
815 alias = "Chromebase";
816 break;
817 case DeviceType::kChromebit:
818 alias = "Chromebit";
819 break;
820 case DeviceType::kChromebook:
821 alias = "Chromebook";
822 break;
823 case DeviceType::kChromebox:
824 alias = "Chromebox";
825 break;
826 case DeviceType::kUnknown:
827 alias = "Chromebook";
828 break;
829 }
830
831 SetName(alias, base::Bind(&base::DoNothing), base::Bind(&base::DoNothing));
832 }
833
834 void BluetoothAdapterChromeOS::RemoveAdapter() {
835 DCHECK(IsPresent());
836 VLOG(1) << object_path_.value() << ": adapter removed.";
837
838 bluez::BluetoothAdapterClient::Properties* properties =
839 bluez::BluezDBusManager::Get()
840 ->GetBluetoothAdapterClient()
841 ->GetProperties(object_path_);
842
843 object_path_ = dbus::ObjectPath("");
844
845 if (properties->powered.value())
846 PoweredChanged(false);
847 if (properties->discoverable.value())
848 DiscoverableChanged(false);
849 if (properties->discovering.value())
850 DiscoveringChanged(false);
851
852 // Copy the devices list here and clear the original so that when we
853 // send DeviceRemoved(), GetDevices() returns no devices.
854 DevicesMap devices = devices_;
855 devices_.clear();
856
857 for (DevicesMap::iterator iter = devices.begin();
858 iter != devices.end(); ++iter) {
859 FOR_EACH_OBSERVER(BluetoothAdapter::Observer, observers_,
860 DeviceRemoved(this, iter->second));
861 delete iter->second;
862 }
863
864 PresentChanged(false);
865 }
866
867 void BluetoothAdapterChromeOS::PoweredChanged(bool powered) {
868 FOR_EACH_OBSERVER(BluetoothAdapter::Observer, observers_,
869 AdapterPoweredChanged(this, powered));
870 }
871
872 void BluetoothAdapterChromeOS::DiscoverableChanged(bool discoverable) {
873 FOR_EACH_OBSERVER(BluetoothAdapter::Observer, observers_,
874 AdapterDiscoverableChanged(this, discoverable));
875 }
876
877 void BluetoothAdapterChromeOS::DiscoveringChanged(
878 bool discovering) {
879 // If the adapter stopped discovery due to a reason other than a request by
880 // us, reset the count to 0.
881 VLOG(1) << "Discovering changed: " << discovering;
882 if (!discovering && !discovery_request_pending_ &&
883 num_discovery_sessions_ > 0) {
884 VLOG(1) << "Marking sessions as inactive.";
885 num_discovery_sessions_ = 0;
886 MarkDiscoverySessionsAsInactive();
887 }
888 FOR_EACH_OBSERVER(BluetoothAdapter::Observer, observers_,
889 AdapterDiscoveringChanged(this, discovering));
890 }
891
892 void BluetoothAdapterChromeOS::PresentChanged(bool present) {
893 FOR_EACH_OBSERVER(BluetoothAdapter::Observer, observers_,
894 AdapterPresentChanged(this, present));
895 }
896
897 void BluetoothAdapterChromeOS::NotifyDeviceChanged(
898 BluetoothDeviceChromeOS* device) {
899 DCHECK(device);
900 DCHECK(device->adapter_ == this);
901
902 FOR_EACH_OBSERVER(BluetoothAdapter::Observer, observers_,
903 DeviceChanged(this, device));
904 }
905
906 void BluetoothAdapterChromeOS::NotifyDeviceAddressChanged(
907 BluetoothDeviceChromeOS* device,
908 const std::string& old_address) {
909 DCHECK(device->adapter_ == this);
910
911 FOR_EACH_OBSERVER(BluetoothAdapter::Observer, observers_,
912 DeviceAddressChanged(this, device, old_address));
913 }
914
915 void BluetoothAdapterChromeOS::NotifyGattServiceAdded(
916 BluetoothRemoteGattServiceChromeOS* service) {
917 DCHECK_EQ(service->GetAdapter(), this);
918 DCHECK_EQ(
919 static_cast<BluetoothDeviceChromeOS*>(service->GetDevice())->adapter_,
920 this);
921
922 FOR_EACH_OBSERVER(BluetoothAdapter::Observer,
923 observers_,
924 GattServiceAdded(this, service->GetDevice(), service));
925 }
926
927 void BluetoothAdapterChromeOS::NotifyGattServiceRemoved(
928 BluetoothRemoteGattServiceChromeOS* service) {
929 DCHECK_EQ(service->GetAdapter(), this);
930 DCHECK_EQ(
931 static_cast<BluetoothDeviceChromeOS*>(service->GetDevice())->adapter_,
932 this);
933
934 FOR_EACH_OBSERVER(BluetoothAdapter::Observer,
935 observers_,
936 GattServiceRemoved(this, service->GetDevice(), service));
937 }
938
939 void BluetoothAdapterChromeOS::NotifyGattServiceChanged(
940 BluetoothRemoteGattServiceChromeOS* service) {
941 DCHECK_EQ(service->GetAdapter(), this);
942
943 FOR_EACH_OBSERVER(BluetoothAdapter::Observer,
944 observers_,
945 GattServiceChanged(this, service));
946 }
947
948 void BluetoothAdapterChromeOS::NotifyGattDiscoveryComplete(
949 BluetoothRemoteGattServiceChromeOS* service) {
950 DCHECK_EQ(service->GetAdapter(), this);
951
952 FOR_EACH_OBSERVER(BluetoothAdapter::Observer,
953 observers_,
954 GattDiscoveryCompleteForService(this, service));
955 }
956
957 void BluetoothAdapterChromeOS::NotifyGattCharacteristicAdded(
958 BluetoothRemoteGattCharacteristicChromeOS* characteristic) {
959 DCHECK_EQ(static_cast<BluetoothRemoteGattServiceChromeOS*>(
960 characteristic->GetService())->GetAdapter(),
961 this);
962
963 FOR_EACH_OBSERVER(BluetoothAdapter::Observer,
964 observers_,
965 GattCharacteristicAdded(this, characteristic));
966 }
967
968 void BluetoothAdapterChromeOS::NotifyGattCharacteristicRemoved(
969 BluetoothRemoteGattCharacteristicChromeOS* characteristic) {
970 DCHECK_EQ(static_cast<BluetoothRemoteGattServiceChromeOS*>(
971 characteristic->GetService())->GetAdapter(),
972 this);
973
974 FOR_EACH_OBSERVER(BluetoothAdapter::Observer,
975 observers_,
976 GattCharacteristicRemoved(this, characteristic));
977 }
978
979 void BluetoothAdapterChromeOS::NotifyGattDescriptorAdded(
980 BluetoothRemoteGattDescriptorChromeOS* descriptor) {
981 DCHECK_EQ(static_cast<BluetoothRemoteGattServiceChromeOS*>(
982 descriptor->GetCharacteristic()->GetService())->GetAdapter(),
983 this);
984
985 FOR_EACH_OBSERVER(BluetoothAdapter::Observer,
986 observers_,
987 GattDescriptorAdded(this, descriptor));
988 }
989
990 void BluetoothAdapterChromeOS::NotifyGattDescriptorRemoved(
991 BluetoothRemoteGattDescriptorChromeOS* descriptor) {
992 DCHECK_EQ(static_cast<BluetoothRemoteGattServiceChromeOS*>(
993 descriptor->GetCharacteristic()->GetService())->GetAdapter(),
994 this);
995
996 FOR_EACH_OBSERVER(BluetoothAdapter::Observer,
997 observers_,
998 GattDescriptorRemoved(this, descriptor));
999 }
1000
1001 void BluetoothAdapterChromeOS::NotifyGattCharacteristicValueChanged(
1002 BluetoothRemoteGattCharacteristicChromeOS* characteristic,
1003 const std::vector<uint8>& value) {
1004 DCHECK_EQ(static_cast<BluetoothRemoteGattServiceChromeOS*>(
1005 characteristic->GetService())->GetAdapter(),
1006 this);
1007
1008 FOR_EACH_OBSERVER(
1009 BluetoothAdapter::Observer,
1010 observers_,
1011 GattCharacteristicValueChanged(this, characteristic, value));
1012 }
1013
1014 void BluetoothAdapterChromeOS::NotifyGattDescriptorValueChanged(
1015 BluetoothRemoteGattDescriptorChromeOS* descriptor,
1016 const std::vector<uint8>& value) {
1017 DCHECK_EQ(static_cast<BluetoothRemoteGattServiceChromeOS*>(
1018 descriptor->GetCharacteristic()->GetService())->GetAdapter(),
1019 this);
1020
1021 FOR_EACH_OBSERVER(BluetoothAdapter::Observer,
1022 observers_,
1023 GattDescriptorValueChanged(this, descriptor, value));
1024 }
1025
1026 void BluetoothAdapterChromeOS::UseProfile(
1027 const BluetoothUUID& uuid,
1028 const dbus::ObjectPath& device_path,
1029 const bluez::BluetoothProfileManagerClient::Options& options,
1030 bluez::BluetoothProfileServiceProvider::Delegate* delegate,
1031 const ProfileRegisteredCallback& success_callback,
1032 const ErrorCompletionCallback& error_callback) {
1033 DCHECK(delegate);
1034
1035 if (!IsPresent()) {
1036 VLOG(2) << "Adapter not present, erroring out";
1037 error_callback.Run("Adapter not present");
1038 return;
1039 }
1040
1041 if (profiles_.find(uuid) != profiles_.end()) {
1042 // TODO(jamuraa) check that the options are the same and error when they are
1043 // not.
1044 SetProfileDelegate(uuid, device_path, delegate, success_callback,
1045 error_callback);
1046 return;
1047 }
1048
1049 if (profile_queues_.find(uuid) == profile_queues_.end()) {
1050 BluetoothAdapterProfileChromeOS::Register(
1051 uuid, options,
1052 base::Bind(&BluetoothAdapterChromeOS::OnRegisterProfile, this, uuid),
1053 base::Bind(&BluetoothAdapterChromeOS::OnRegisterProfileError, this,
1054 uuid));
1055
1056 profile_queues_[uuid] = new std::vector<RegisterProfileCompletionPair>();
1057 }
1058
1059 profile_queues_[uuid]->push_back(std::make_pair(
1060 base::Bind(&BluetoothAdapterChromeOS::SetProfileDelegate, this, uuid,
1061 device_path, delegate, success_callback, error_callback),
1062 error_callback));
1063 }
1064
1065 void BluetoothAdapterChromeOS::ReleaseProfile(
1066 const dbus::ObjectPath& device_path,
1067 BluetoothAdapterProfileChromeOS* profile) {
1068 VLOG(2) << "Releasing Profile: " << profile->uuid().canonical_value()
1069 << " from " << device_path.value();
1070 profile->RemoveDelegate(
1071 device_path, base::Bind(&BluetoothAdapterChromeOS::RemoveProfile,
1072 weak_ptr_factory_.GetWeakPtr(), profile->uuid()));
1073 }
1074
1075 void BluetoothAdapterChromeOS::RemoveProfile(const BluetoothUUID& uuid) {
1076 VLOG(2) << "Remove Profile: " << uuid.canonical_value();
1077
1078 if (profiles_.find(uuid) != profiles_.end()) {
1079 delete profiles_[uuid];
1080 profiles_.erase(uuid);
1081 }
1082 }
1083
1084 void BluetoothAdapterChromeOS::OnRegisterProfile(
1085 const BluetoothUUID& uuid,
1086 scoped_ptr<BluetoothAdapterProfileChromeOS> profile) {
1087 profiles_[uuid] = profile.release();
1088
1089 if (profile_queues_.find(uuid) == profile_queues_.end())
1090 return;
1091
1092 for (auto& it : *profile_queues_[uuid])
1093 it.first.Run();
1094 delete profile_queues_[uuid];
1095 profile_queues_.erase(uuid);
1096 }
1097
1098 void BluetoothAdapterChromeOS::SetProfileDelegate(
1099 const BluetoothUUID& uuid,
1100 const dbus::ObjectPath& device_path,
1101 bluez::BluetoothProfileServiceProvider::Delegate* delegate,
1102 const ProfileRegisteredCallback& success_callback,
1103 const ErrorCompletionCallback& error_callback) {
1104 if (profiles_.find(uuid) == profiles_.end()) {
1105 error_callback.Run("Cannot find profile!");
1106 return;
1107 }
1108
1109 if (profiles_[uuid]->SetDelegate(device_path, delegate)) {
1110 success_callback.Run(profiles_[uuid]);
1111 return;
1112 }
1113 // Already set
1114 error_callback.Run(bluetooth_agent_manager::kErrorAlreadyExists);
1115 }
1116
1117 void BluetoothAdapterChromeOS::OnRegisterProfileError(
1118 const BluetoothUUID& uuid,
1119 const std::string& error_name,
1120 const std::string& error_message) {
1121 VLOG(2) << object_path_.value() << ": Failed to register profile: "
1122 << error_name << ": " << error_message;
1123 if (profile_queues_.find(uuid) == profile_queues_.end())
1124 return;
1125
1126 for (auto& it : *profile_queues_[uuid])
1127 it.second.Run(error_message);
1128
1129 delete profile_queues_[uuid];
1130 profile_queues_.erase(uuid);
1131 }
1132
1133 void BluetoothAdapterChromeOS::OnSetDiscoverable(
1134 const base::Closure& callback,
1135 const ErrorCallback& error_callback,
1136 bool success) {
1137 if (!IsPresent()) {
1138 error_callback.Run();
1139 return;
1140 }
1141
1142 // Set the discoverable_timeout property to zero so the adapter remains
1143 // discoverable forever.
1144 bluez::BluezDBusManager::Get()
1145 ->GetBluetoothAdapterClient()
1146 ->GetProperties(object_path_)
1147 ->discoverable_timeout.Set(
1148 0,
1149 base::Bind(&BluetoothAdapterChromeOS::OnPropertyChangeCompleted,
1150 weak_ptr_factory_.GetWeakPtr(), callback, error_callback));
1151 }
1152
1153 void BluetoothAdapterChromeOS::OnPropertyChangeCompleted(
1154 const base::Closure& callback,
1155 const ErrorCallback& error_callback,
1156 bool success) {
1157 if (IsPresent() && success) {
1158 callback.Run();
1159 } else {
1160 error_callback.Run();
1161 }
1162 }
1163
1164 void BluetoothAdapterChromeOS::AddDiscoverySession(
1165 BluetoothDiscoveryFilter* discovery_filter,
1166 const base::Closure& callback,
1167 const DiscoverySessionErrorCallback& error_callback) {
1168 if (!IsPresent()) {
1169 error_callback.Run(
1170 UMABluetoothDiscoverySessionOutcome::ADAPTER_NOT_PRESENT);
1171 return;
1172 }
1173 VLOG(1) << __func__;
1174 if (discovery_request_pending_) {
1175 // The pending request is either to stop a previous session or to start a
1176 // new one. Either way, queue this one.
1177 DCHECK(num_discovery_sessions_ == 1 || num_discovery_sessions_ == 0);
1178 VLOG(1) << "Pending request to start/stop device discovery. Queueing "
1179 << "request to start a new discovery session.";
1180 discovery_request_queue_.push(
1181 std::make_tuple(discovery_filter, callback, error_callback));
1182 return;
1183 }
1184
1185 // The adapter is already discovering.
1186 if (num_discovery_sessions_ > 0) {
1187 DCHECK(IsDiscovering());
1188 DCHECK(!discovery_request_pending_);
1189 num_discovery_sessions_++;
1190 SetDiscoveryFilter(BluetoothDiscoveryFilter::Merge(
1191 GetMergedDiscoveryFilter().get(), discovery_filter),
1192 callback, error_callback);
1193 return;
1194 }
1195
1196 // There are no active discovery sessions.
1197 DCHECK_EQ(num_discovery_sessions_, 0);
1198
1199 if (discovery_filter) {
1200 discovery_request_pending_ = true;
1201
1202 scoped_ptr<BluetoothDiscoveryFilter> df(new BluetoothDiscoveryFilter(
1203 BluetoothDiscoveryFilter::Transport::TRANSPORT_DUAL));
1204 df->CopyFrom(*discovery_filter);
1205 SetDiscoveryFilter(
1206 df.Pass(),
1207 base::Bind(&BluetoothAdapterChromeOS::OnPreSetDiscoveryFilter,
1208 weak_ptr_factory_.GetWeakPtr(), callback, error_callback),
1209 base::Bind(&BluetoothAdapterChromeOS::OnPreSetDiscoveryFilterError,
1210 weak_ptr_factory_.GetWeakPtr(), callback, error_callback));
1211 return;
1212 } else {
1213 current_filter_.reset();
1214 }
1215
1216 // This is the first request to start device discovery.
1217 discovery_request_pending_ = true;
1218 bluez::BluezDBusManager::Get()->GetBluetoothAdapterClient()->StartDiscovery(
1219 object_path_,
1220 base::Bind(&BluetoothAdapterChromeOS::OnStartDiscovery,
1221 weak_ptr_factory_.GetWeakPtr(), callback, error_callback),
1222 base::Bind(&BluetoothAdapterChromeOS::OnStartDiscoveryError,
1223 weak_ptr_factory_.GetWeakPtr(), callback, error_callback));
1224 }
1225
1226 void BluetoothAdapterChromeOS::RemoveDiscoverySession(
1227 BluetoothDiscoveryFilter* discovery_filter,
1228 const base::Closure& callback,
1229 const DiscoverySessionErrorCallback& error_callback) {
1230 if (!IsPresent()) {
1231 error_callback.Run(
1232 UMABluetoothDiscoverySessionOutcome::ADAPTER_NOT_PRESENT);
1233 return;
1234 }
1235
1236 VLOG(1) << __func__;
1237 // There are active sessions other than the one currently being removed.
1238 if (num_discovery_sessions_ > 1) {
1239 DCHECK(IsDiscovering());
1240 DCHECK(!discovery_request_pending_);
1241 num_discovery_sessions_--;
1242
1243 SetDiscoveryFilter(GetMergedDiscoveryFilterMasked(discovery_filter),
1244 callback, error_callback);
1245 return;
1246 }
1247
1248 // If there is a pending request to BlueZ, then queue this request.
1249 if (discovery_request_pending_) {
1250 VLOG(1) << "Pending request to start/stop device discovery. Queueing "
1251 << "request to stop discovery session.";
1252 error_callback.Run(
1253 UMABluetoothDiscoverySessionOutcome::REMOVE_WITH_PENDING_REQUEST);
1254 return;
1255 }
1256
1257 // There are no active sessions. Return error.
1258 if (num_discovery_sessions_ == 0) {
1259 // TODO(armansito): This should never happen once we have the
1260 // DiscoverySession API. Replace this case with an assert once it's
1261 // the deprecated methods have been removed. (See crbug.com/3445008).
1262 VLOG(1) << "No active discovery sessions. Returning error.";
1263 error_callback.Run(
1264 UMABluetoothDiscoverySessionOutcome::ACTIVE_SESSION_NOT_IN_ADAPTER);
1265 return;
1266 }
1267
1268 // There is exactly one active discovery session. Request BlueZ to stop
1269 // discovery.
1270 DCHECK_EQ(num_discovery_sessions_, 1);
1271 discovery_request_pending_ = true;
1272 bluez::BluezDBusManager::Get()->GetBluetoothAdapterClient()->StopDiscovery(
1273 object_path_, base::Bind(&BluetoothAdapterChromeOS::OnStopDiscovery,
1274 weak_ptr_factory_.GetWeakPtr(), callback),
1275 base::Bind(&BluetoothAdapterChromeOS::OnStopDiscoveryError,
1276 weak_ptr_factory_.GetWeakPtr(), error_callback));
1277 }
1278
1279 void BluetoothAdapterChromeOS::SetDiscoveryFilter(
1280 scoped_ptr<BluetoothDiscoveryFilter> discovery_filter,
1281 const base::Closure& callback,
1282 const DiscoverySessionErrorCallback& error_callback) {
1283 if (!IsPresent()) {
1284 error_callback.Run(UMABluetoothDiscoverySessionOutcome::ADAPTER_REMOVED);
1285 return;
1286 }
1287
1288 // If old and new filter are equal (null) then don't make request, just call
1289 // succes callback
1290 if (!current_filter_ && !discovery_filter.get()) {
1291 callback.Run();
1292 return;
1293 }
1294
1295 // If old and new filter are not null and equal then don't make request, just
1296 // call succes callback
1297 if (current_filter_ && discovery_filter &&
1298 current_filter_->Equals(*discovery_filter)) {
1299 callback.Run();
1300 return;
1301 }
1302
1303 current_filter_.reset(discovery_filter.release());
1304
1305 bluez::BluetoothAdapterClient::DiscoveryFilter dbus_discovery_filter;
1306
1307 if (current_filter_.get()) {
1308 uint16_t pathloss;
1309 int16_t rssi;
1310 uint8_t transport;
1311 std::set<device::BluetoothUUID> uuids;
1312
1313 if (current_filter_->GetPathloss(&pathloss))
1314 dbus_discovery_filter.pathloss.reset(new uint16_t(pathloss));
1315
1316 if (current_filter_->GetRSSI(&rssi))
1317 dbus_discovery_filter.rssi.reset(new int16_t(rssi));
1318
1319 transport = current_filter_->GetTransport();
1320 if (transport == BluetoothDiscoveryFilter::Transport::TRANSPORT_LE) {
1321 dbus_discovery_filter.transport.reset(new std::string("le"));
1322 } else if (transport ==
1323 BluetoothDiscoveryFilter::Transport::TRANSPORT_CLASSIC) {
1324 dbus_discovery_filter.transport.reset(new std::string("bredr"));
1325 } else if (transport ==
1326 BluetoothDiscoveryFilter::Transport::TRANSPORT_DUAL) {
1327 dbus_discovery_filter.transport.reset(new std::string("auto"));
1328 }
1329
1330 current_filter_->GetUUIDs(uuids);
1331 if (uuids.size()) {
1332 dbus_discovery_filter.uuids =
1333 scoped_ptr<std::vector<std::string>>(new std::vector<std::string>);
1334
1335 for (const auto& it : uuids)
1336 dbus_discovery_filter.uuids.get()->push_back(it.value());
1337 }
1338 }
1339
1340 bluez::BluezDBusManager::Get()
1341 ->GetBluetoothAdapterClient()
1342 ->SetDiscoveryFilter(
1343 object_path_, dbus_discovery_filter,
1344 base::Bind(&BluetoothAdapterChromeOS::OnSetDiscoveryFilter,
1345 weak_ptr_factory_.GetWeakPtr(), callback, error_callback),
1346 base::Bind(&BluetoothAdapterChromeOS::OnSetDiscoveryFilterError,
1347 weak_ptr_factory_.GetWeakPtr(), callback, error_callback));
1348 }
1349
1350 void BluetoothAdapterChromeOS::OnStartDiscovery(
1351 const base::Closure& callback,
1352 const DiscoverySessionErrorCallback& error_callback) {
1353 // Report success on the original request and increment the count.
1354 VLOG(1) << __func__;
1355 DCHECK(discovery_request_pending_);
1356 DCHECK_EQ(num_discovery_sessions_, 0);
1357 discovery_request_pending_ = false;
1358 num_discovery_sessions_++;
1359 if (IsPresent()) {
1360 callback.Run();
1361 } else {
1362 error_callback.Run(UMABluetoothDiscoverySessionOutcome::ADAPTER_REMOVED);
1363 }
1364
1365 // Try to add a new discovery session for each queued request.
1366 ProcessQueuedDiscoveryRequests();
1367 }
1368
1369 void BluetoothAdapterChromeOS::OnStartDiscoveryError(
1370 const base::Closure& callback,
1371 const DiscoverySessionErrorCallback& error_callback,
1372 const std::string& error_name,
1373 const std::string& error_message) {
1374 LOG(WARNING) << object_path_.value() << ": Failed to start discovery: "
1375 << error_name << ": " << error_message;
1376
1377 // Failed to start discovery. This can only happen if the count is at 0.
1378 DCHECK_EQ(num_discovery_sessions_, 0);
1379 DCHECK(discovery_request_pending_);
1380 discovery_request_pending_ = false;
1381
1382 // Discovery request may fail if discovery was previously initiated by Chrome,
1383 // but the session were invalidated due to the discovery state unexpectedly
1384 // changing to false and then back to true. In this case, report success.
1385 if (IsPresent() && error_name == bluetooth_device::kErrorInProgress &&
1386 IsDiscovering()) {
1387 VLOG(1) << "Discovery previously initiated. Reporting success.";
1388 num_discovery_sessions_++;
1389 callback.Run();
1390 } else {
1391 error_callback.Run(TranslateDiscoveryErrorToUMA(error_name));
1392 }
1393
1394 // Try to add a new discovery session for each queued request.
1395 ProcessQueuedDiscoveryRequests();
1396 }
1397
1398 void BluetoothAdapterChromeOS::OnStopDiscovery(const base::Closure& callback) {
1399 // Report success on the original request and decrement the count.
1400 VLOG(1) << __func__;
1401 DCHECK(discovery_request_pending_);
1402 DCHECK_EQ(num_discovery_sessions_, 1);
1403 discovery_request_pending_ = false;
1404 num_discovery_sessions_--;
1405 callback.Run();
1406
1407 current_filter_.reset();
1408
1409 // Try to add a new discovery session for each queued request.
1410 ProcessQueuedDiscoveryRequests();
1411 }
1412
1413 void BluetoothAdapterChromeOS::OnStopDiscoveryError(
1414 const DiscoverySessionErrorCallback& error_callback,
1415 const std::string& error_name,
1416 const std::string& error_message) {
1417 LOG(WARNING) << object_path_.value() << ": Failed to stop discovery: "
1418 << error_name << ": " << error_message;
1419
1420 // Failed to stop discovery. This can only happen if the count is at 1.
1421 DCHECK(discovery_request_pending_);
1422 DCHECK_EQ(num_discovery_sessions_, 1);
1423 discovery_request_pending_ = false;
1424 error_callback.Run(TranslateDiscoveryErrorToUMA(error_name));
1425
1426 // Try to add a new discovery session for each queued request.
1427 ProcessQueuedDiscoveryRequests();
1428 }
1429
1430 void BluetoothAdapterChromeOS::OnPreSetDiscoveryFilter(
1431 const base::Closure& callback,
1432 const DiscoverySessionErrorCallback& error_callback) {
1433 // This is the first request to start device discovery.
1434 DCHECK(discovery_request_pending_);
1435 DCHECK_EQ(num_discovery_sessions_, 0);
1436
1437 bluez::BluezDBusManager::Get()->GetBluetoothAdapterClient()->StartDiscovery(
1438 object_path_,
1439 base::Bind(&BluetoothAdapterChromeOS::OnStartDiscovery,
1440 weak_ptr_factory_.GetWeakPtr(), callback, error_callback),
1441 base::Bind(&BluetoothAdapterChromeOS::OnStartDiscoveryError,
1442 weak_ptr_factory_.GetWeakPtr(), callback, error_callback));
1443 }
1444
1445 void BluetoothAdapterChromeOS::OnPreSetDiscoveryFilterError(
1446 const base::Closure& callback,
1447 const DiscoverySessionErrorCallback& error_callback,
1448 UMABluetoothDiscoverySessionOutcome outcome) {
1449 LOG(WARNING) << object_path_.value()
1450 << ": Failed to pre set discovery filter.";
1451
1452 // Failed to start discovery. This can only happen if the count is at 0.
1453 DCHECK_EQ(num_discovery_sessions_, 0);
1454 DCHECK(discovery_request_pending_);
1455 discovery_request_pending_ = false;
1456
1457 error_callback.Run(outcome);
1458
1459 // Try to add a new discovery session for each queued request.
1460 ProcessQueuedDiscoveryRequests();
1461 }
1462
1463 void BluetoothAdapterChromeOS::OnSetDiscoveryFilter(
1464 const base::Closure& callback,
1465 const DiscoverySessionErrorCallback& error_callback) {
1466 // Report success on the original request and increment the count.
1467 VLOG(1) << __func__;
1468 if (IsPresent()) {
1469 callback.Run();
1470 } else {
1471 error_callback.Run(UMABluetoothDiscoverySessionOutcome::ADAPTER_REMOVED);
1472 }
1473 }
1474
1475 void BluetoothAdapterChromeOS::OnSetDiscoveryFilterError(
1476 const base::Closure& callback,
1477 const DiscoverySessionErrorCallback& error_callback,
1478 const std::string& error_name,
1479 const std::string& error_message) {
1480 LOG(WARNING) << object_path_.value()
1481 << ": Failed to set discovery filter: " << error_name << ": "
1482 << error_message;
1483
1484 UMABluetoothDiscoverySessionOutcome outcome =
1485 TranslateDiscoveryErrorToUMA(error_name);
1486 if (outcome == UMABluetoothDiscoverySessionOutcome::FAILED) {
1487 // bluez/doc/adapter-api.txt says "Failed" is returned from
1488 // SetDiscoveryFilter when the controller doesn't support the requested
1489 // transport.
1490 outcome = UMABluetoothDiscoverySessionOutcome::
1491 CHROMEOS_DBUS_FAILED_MAYBE_UNSUPPORTED_TRANSPORT;
1492 }
1493 error_callback.Run(outcome);
1494
1495 // Try to add a new discovery session for each queued request.
1496 ProcessQueuedDiscoveryRequests();
1497 }
1498
1499 void BluetoothAdapterChromeOS::ProcessQueuedDiscoveryRequests() {
1500 while (!discovery_request_queue_.empty()) {
1501 VLOG(1) << "Process queued discovery request.";
1502 DiscoveryParamTuple params = discovery_request_queue_.front();
1503 discovery_request_queue_.pop();
1504 AddDiscoverySession(std::get<0>(params), std::get<1>(params),
1505 std::get<2>(params));
1506
1507 // If the queued request resulted in a pending call, then let it
1508 // asynchonously process the remaining queued requests once the pending
1509 // call returns.
1510 if (discovery_request_pending_)
1511 return;
1512 }
1513 }
1514
1515 } // namespace chromeos
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