File: bluetooth_remote_gatt_service_mac.mm

package info (click to toggle)
chromium 139.0.7258.127-1
  • links: PTS, VCS
  • area: main
  • in suites:
  • size: 6,122,068 kB
  • sloc: cpp: 35,100,771; ansic: 7,163,530; javascript: 4,103,002; python: 1,436,920; asm: 946,517; xml: 746,709; pascal: 187,653; perl: 88,691; sh: 88,436; objc: 79,953; sql: 51,488; cs: 44,583; fortran: 24,137; makefile: 22,147; tcl: 15,277; php: 13,980; yacc: 8,984; ruby: 7,485; awk: 3,720; lisp: 3,096; lex: 1,327; ada: 727; jsp: 228; sed: 36
file content (204 lines) | stat: -rw-r--r-- 7,485 bytes parent folder | download | duplicates (3)
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
// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "device/bluetooth/bluetooth_remote_gatt_service_mac.h"

#import <CoreBluetooth/CoreBluetooth.h>

#include <algorithm>
#include <vector>

#include "base/logging.h"
#include "base/memory/ptr_util.h"
#include "base/notimplemented.h"
#include "base/strings/sys_string_conversions.h"
#include "device/bluetooth/bluetooth_low_energy_adapter_apple.h"
#include "device/bluetooth/bluetooth_low_energy_device_mac.h"
#include "device/bluetooth/bluetooth_remote_gatt_characteristic_mac.h"
#include "device/bluetooth/public/cpp/bluetooth_uuid.h"

namespace device {

BluetoothRemoteGattServiceMac::BluetoothRemoteGattServiceMac(
    BluetoothLowEnergyDeviceMac* bluetooth_device_mac,
    CBService* service,
    bool is_primary)
    : bluetooth_device_mac_(bluetooth_device_mac),
      service_(service),
      is_primary_(is_primary),
      discovery_pending_count_(0) {
  uuid_ =
      BluetoothLowEnergyAdapterApple::BluetoothUUIDWithCBUUID([service_ UUID]);
  identifier_ = base::SysNSStringToUTF8([NSString
      stringWithFormat:@"%s-%p", uuid_.canonical_value().c_str(), service_]);
}

BluetoothRemoteGattServiceMac::~BluetoothRemoteGattServiceMac() {}

std::string BluetoothRemoteGattServiceMac::GetIdentifier() const {
  return identifier_;
}

BluetoothUUID BluetoothRemoteGattServiceMac::GetUUID() const {
  return uuid_;
}

bool BluetoothRemoteGattServiceMac::IsPrimary() const {
  return is_primary_;
}

BluetoothDevice* BluetoothRemoteGattServiceMac::GetDevice() const {
  return bluetooth_device_mac_;
}

std::vector<BluetoothRemoteGattService*>
BluetoothRemoteGattServiceMac::GetIncludedServices() const {
  NOTIMPLEMENTED();
  return std::vector<BluetoothRemoteGattService*>();
}

void BluetoothRemoteGattServiceMac::DiscoverCharacteristics() {
  DVLOG(1) << *this << ": DiscoverCharacteristics.";
  SetDiscoveryComplete(false);
  ++discovery_pending_count_;
  [GetCBPeripheral() discoverCharacteristics:nil forService:GetService()];
}

void BluetoothRemoteGattServiceMac::DidDiscoverCharacteristics() {
  if (IsDiscoveryComplete() || discovery_pending_count_ == 0) {
    // This should never happen, just in case it happens with a device, this
    // notification should be ignored.
    DVLOG(1)
        << *this
        << ": Unmatch DiscoverCharacteristics and DidDiscoverCharacteristics.";
    return;
  }
  DVLOG(1) << *this << ": DidDiscoverCharacteristics.";
  --discovery_pending_count_;
  std::unordered_set<std::string> characteristic_identifier_to_remove;
  for (const auto& iter : characteristics_) {
    characteristic_identifier_to_remove.insert(iter.first);
  }

  for (CBCharacteristic* cb_characteristic in GetService().characteristics) {
    BluetoothRemoteGattCharacteristicMac* gatt_characteristic_mac =
        GetBluetoothRemoteGattCharacteristicMac(cb_characteristic);
    if (gatt_characteristic_mac) {
      DVLOG(1) << *gatt_characteristic_mac
               << ": Known characteristic, properties "
               << gatt_characteristic_mac->GetProperties();
      const std::string& identifier = gatt_characteristic_mac->GetIdentifier();
      characteristic_identifier_to_remove.erase(identifier);
      gatt_characteristic_mac->DiscoverDescriptors();
      continue;
    }
    gatt_characteristic_mac =
        new BluetoothRemoteGattCharacteristicMac(this, cb_characteristic);
    bool result = AddCharacteristic(base::WrapUnique(gatt_characteristic_mac));
    DCHECK(result);
    DVLOG(1) << *gatt_characteristic_mac << ": New characteristic, properties "
             << gatt_characteristic_mac->GetProperties();
    if (discovery_pending_count_ == 0) {
      gatt_characteristic_mac->DiscoverDescriptors();
    }
    GetLowEnergyAdapter()->NotifyGattCharacteristicAdded(
        gatt_characteristic_mac);
  }

  for (const std::string& identifier : characteristic_identifier_to_remove) {
    auto pair_to_remove = characteristics_.find(identifier);
    auto characteristic_to_remove = std::move(pair_to_remove->second);
    DVLOG(1) << static_cast<BluetoothRemoteGattCharacteristicMac&>(
                    *characteristic_to_remove)
             << ": Removed characteristic.";
    characteristics_.erase(pair_to_remove);
    GetLowEnergyAdapter()->NotifyGattCharacteristicRemoved(
        characteristic_to_remove.get());
  }
  SendNotificationIfComplete();
}

void BluetoothRemoteGattServiceMac::DidDiscoverDescriptors(
    CBCharacteristic* characteristic) {
  if (IsDiscoveryComplete()) {
    // This should never happen, just in case it happens with a device, this
    // notification should be ignored.
    DVLOG(1) << *this
             << ": Discovery complete, ignoring DidDiscoverDescriptors.";
    return;
  }
  BluetoothRemoteGattCharacteristicMac* gatt_characteristic =
      GetBluetoothRemoteGattCharacteristicMac(characteristic);
  DCHECK(gatt_characteristic);
  gatt_characteristic->DidDiscoverDescriptors();
  SendNotificationIfComplete();
}

void BluetoothRemoteGattServiceMac::SendNotificationIfComplete() {
  DCHECK(!IsDiscoveryComplete());
  // Notify when all characteristics have been fully discovered.
  SetDiscoveryComplete(
      discovery_pending_count_ == 0 &&
      std::ranges::all_of(characteristics_, [](const auto& pair) {
        return static_cast<BluetoothRemoteGattCharacteristicMac*>(
                   pair.second.get())
            ->IsDiscoveryComplete();
      }));
  if (IsDiscoveryComplete()) {
    DVLOG(1) << *this << ": Discovery complete.";
    GetLowEnergyAdapter()->NotifyGattServiceChanged(this);
  }
}

BluetoothLowEnergyAdapterApple*
BluetoothRemoteGattServiceMac::GetLowEnergyAdapter() const {
  return bluetooth_device_mac_->GetLowEnergyAdapter();
}

CBPeripheral* BluetoothRemoteGattServiceMac::GetCBPeripheral() const {
  return bluetooth_device_mac_->GetPeripheral();
}

CBService* BluetoothRemoteGattServiceMac::GetService() const {
  return service_;
}

BluetoothRemoteGattCharacteristicMac*
BluetoothRemoteGattServiceMac::GetBluetoothRemoteGattCharacteristicMac(
    CBCharacteristic* cb_characteristic) const {
  for (const auto& pair : characteristics_) {
    auto* characteristic_mac =
        static_cast<BluetoothRemoteGattCharacteristicMac*>(pair.second.get());
    if (characteristic_mac->GetCBCharacteristic() == cb_characteristic)
      return characteristic_mac;
  }

  return nullptr;
}

BluetoothRemoteGattDescriptorMac*
BluetoothRemoteGattServiceMac::GetBluetoothRemoteGattDescriptorMac(
    CBDescriptor* cb_descriptor) const {
  CBCharacteristic* cb_characteristic = [cb_descriptor characteristic];
  BluetoothRemoteGattCharacteristicMac* gatt_characteristic_mac =
      GetBluetoothRemoteGattCharacteristicMac(cb_characteristic);
  if (!gatt_characteristic_mac) {
    return nullptr;
  }
  return gatt_characteristic_mac->GetBluetoothRemoteGattDescriptorMac(
      cb_descriptor);
}

DEVICE_BLUETOOTH_EXPORT std::ostream& operator<<(
    std::ostream& out,
    const BluetoothRemoteGattServiceMac& service) {
  const BluetoothLowEnergyDeviceMac* bluetooth_device_mac_ =
      static_cast<const BluetoothLowEnergyDeviceMac*>(service.GetDevice());
  return out << "<BluetoothRemoteGattServiceMac "
             << service.GetUUID().canonical_value() << "/" << &service
             << ", device: " << bluetooth_device_mac_->GetAddress() << "/"
             << bluetooth_device_mac_ << ">";
}

}  // namespace device