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| 1 // Copyright 2014 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_pairing_bluez.h" | |
| 6 | |
| 7 #include "base/logging.h" | |
| 8 #include "base/metrics/histogram.h" | |
| 9 #include "device/bluetooth/bluetooth_device.h" | |
| 10 #include "device/bluetooth/bluetooth_device_bluez.h" | |
| 11 | |
| 12 using device::BluetoothDevice; | |
| 13 | |
| 14 namespace { | |
| 15 | |
| 16 // Histogram enumerations for pairing methods. | |
| 17 enum UMAPairingMethod { | |
| 18 UMA_PAIRING_METHOD_NONE, | |
| 19 UMA_PAIRING_METHOD_REQUEST_PINCODE, | |
| 20 UMA_PAIRING_METHOD_REQUEST_PASSKEY, | |
| 21 UMA_PAIRING_METHOD_DISPLAY_PINCODE, | |
| 22 UMA_PAIRING_METHOD_DISPLAY_PASSKEY, | |
| 23 UMA_PAIRING_METHOD_CONFIRM_PASSKEY, | |
| 24 // NOTE: Add new pairing methods immediately above this line. Make sure to | |
| 25 // update the enum list in tools/histogram/histograms.xml accordingly. | |
| 26 UMA_PAIRING_METHOD_COUNT | |
| 27 }; | |
| 28 | |
| 29 // Number of keys that will be entered for a passkey, six digits plus the | |
| 30 // final enter. | |
| 31 const uint16_t kPasskeyMaxKeysEntered = 7; | |
| 32 | |
| 33 } // namespace | |
| 34 | |
| 35 namespace bluez { | |
| 36 | |
| 37 BluetoothPairingBlueZ::BluetoothPairingBlueZ( | |
| 38 BluetoothDeviceBlueZ* device, | |
| 39 BluetoothDevice::PairingDelegate* pairing_delegate) | |
| 40 : device_(device), | |
| 41 pairing_delegate_(pairing_delegate), | |
| 42 pairing_delegate_used_(false) { | |
| 43 VLOG(1) << "Created BluetoothPairingBlueZ for " << device_->GetAddress(); | |
| 44 } | |
| 45 | |
| 46 BluetoothPairingBlueZ::~BluetoothPairingBlueZ() { | |
| 47 VLOG(1) << "Destroying BluetoothPairingBlueZ for " << device_->GetAddress(); | |
| 48 | |
| 49 if (!pairing_delegate_used_) { | |
| 50 UMA_HISTOGRAM_ENUMERATION("Bluetooth.PairingMethod", | |
| 51 UMA_PAIRING_METHOD_NONE, | |
| 52 UMA_PAIRING_METHOD_COUNT); | |
| 53 } | |
| 54 | |
| 55 if (!pincode_callback_.is_null()) { | |
| 56 pincode_callback_.Run( | |
| 57 bluez::BluetoothAgentServiceProvider::Delegate::CANCELLED, ""); | |
| 58 } | |
| 59 | |
| 60 if (!passkey_callback_.is_null()) { | |
| 61 passkey_callback_.Run( | |
| 62 bluez::BluetoothAgentServiceProvider::Delegate::CANCELLED, 0); | |
| 63 } | |
| 64 | |
| 65 if (!confirmation_callback_.is_null()) { | |
| 66 confirmation_callback_.Run( | |
| 67 bluez::BluetoothAgentServiceProvider::Delegate::CANCELLED); | |
| 68 } | |
| 69 | |
| 70 pairing_delegate_ = NULL; | |
| 71 } | |
| 72 | |
| 73 void BluetoothPairingBlueZ::RequestPinCode( | |
| 74 const bluez::BluetoothAgentServiceProvider::Delegate::PinCodeCallback& | |
| 75 callback) { | |
| 76 UMA_HISTOGRAM_ENUMERATION("Bluetooth.PairingMethod", | |
| 77 UMA_PAIRING_METHOD_REQUEST_PINCODE, | |
| 78 UMA_PAIRING_METHOD_COUNT); | |
| 79 | |
| 80 ResetCallbacks(); | |
| 81 pincode_callback_ = callback; | |
| 82 pairing_delegate_used_ = true; | |
| 83 pairing_delegate_->RequestPinCode(device_); | |
| 84 } | |
| 85 | |
| 86 bool BluetoothPairingBlueZ::ExpectingPinCode() const { | |
| 87 return !pincode_callback_.is_null(); | |
| 88 } | |
| 89 | |
| 90 void BluetoothPairingBlueZ::SetPinCode(const std::string& pincode) { | |
| 91 if (pincode_callback_.is_null()) | |
| 92 return; | |
| 93 | |
| 94 pincode_callback_.Run(bluez::BluetoothAgentServiceProvider::Delegate::SUCCESS, | |
| 95 pincode); | |
| 96 pincode_callback_.Reset(); | |
| 97 | |
| 98 // If this is not an outgoing connection to the device, clean up the pairing | |
| 99 // context since the pairing is done. The outgoing connection case is cleaned | |
| 100 // up in the callback for the underlying Pair() call. | |
| 101 if (!device_->IsConnecting()) | |
| 102 device_->EndPairing(); | |
| 103 } | |
| 104 | |
| 105 void BluetoothPairingBlueZ::DisplayPinCode(const std::string& pincode) { | |
| 106 UMA_HISTOGRAM_ENUMERATION("Bluetooth.PairingMethod", | |
| 107 UMA_PAIRING_METHOD_DISPLAY_PINCODE, | |
| 108 UMA_PAIRING_METHOD_COUNT); | |
| 109 | |
| 110 ResetCallbacks(); | |
| 111 pairing_delegate_used_ = true; | |
| 112 pairing_delegate_->DisplayPinCode(device_, pincode); | |
| 113 | |
| 114 // If this is not an outgoing connection to the device, the pairing context | |
| 115 // needs to be cleaned up again as there's no reliable indication of | |
| 116 // completion of incoming pairing. | |
| 117 if (!device_->IsConnecting()) | |
| 118 device_->EndPairing(); | |
| 119 } | |
| 120 | |
| 121 void BluetoothPairingBlueZ::RequestPasskey( | |
| 122 const bluez::BluetoothAgentServiceProvider::Delegate::PasskeyCallback& | |
| 123 callback) { | |
| 124 UMA_HISTOGRAM_ENUMERATION("Bluetooth.PairingMethod", | |
| 125 UMA_PAIRING_METHOD_REQUEST_PASSKEY, | |
| 126 UMA_PAIRING_METHOD_COUNT); | |
| 127 | |
| 128 ResetCallbacks(); | |
| 129 passkey_callback_ = callback; | |
| 130 pairing_delegate_used_ = true; | |
| 131 pairing_delegate_->RequestPasskey(device_); | |
| 132 } | |
| 133 | |
| 134 bool BluetoothPairingBlueZ::ExpectingPasskey() const { | |
| 135 return !passkey_callback_.is_null(); | |
| 136 } | |
| 137 | |
| 138 void BluetoothPairingBlueZ::SetPasskey(uint32_t passkey) { | |
| 139 if (passkey_callback_.is_null()) | |
| 140 return; | |
| 141 | |
| 142 passkey_callback_.Run(bluez::BluetoothAgentServiceProvider::Delegate::SUCCESS, | |
| 143 passkey); | |
| 144 passkey_callback_.Reset(); | |
| 145 | |
| 146 // If this is not an outgoing connection to the device, clean up the pairing | |
| 147 // context since the pairing is done. The outgoing connection case is cleaned | |
| 148 // up in the callback for the underlying Pair() call. | |
| 149 if (!device_->IsConnecting()) | |
| 150 device_->EndPairing(); | |
| 151 } | |
| 152 | |
| 153 void BluetoothPairingBlueZ::DisplayPasskey(uint32_t passkey) { | |
| 154 UMA_HISTOGRAM_ENUMERATION("Bluetooth.PairingMethod", | |
| 155 UMA_PAIRING_METHOD_DISPLAY_PASSKEY, | |
| 156 UMA_PAIRING_METHOD_COUNT); | |
| 157 | |
| 158 ResetCallbacks(); | |
| 159 pairing_delegate_used_ = true; | |
| 160 pairing_delegate_->DisplayPasskey(device_, passkey); | |
| 161 } | |
| 162 | |
| 163 void BluetoothPairingBlueZ::KeysEntered(uint16_t entered) { | |
| 164 pairing_delegate_used_ = true; | |
| 165 pairing_delegate_->KeysEntered(device_, entered); | |
| 166 | |
| 167 // If this is not an outgoing connection to the device, the pairing context | |
| 168 // needs to be cleaned up again as there's no reliable indication of | |
| 169 // completion of incoming pairing. | |
| 170 if (entered >= kPasskeyMaxKeysEntered && !device_->IsConnecting()) | |
| 171 device_->EndPairing(); | |
| 172 } | |
| 173 | |
| 174 void BluetoothPairingBlueZ::RequestConfirmation( | |
| 175 uint32_t passkey, | |
| 176 const bluez::BluetoothAgentServiceProvider::Delegate::ConfirmationCallback& | |
| 177 callback) { | |
| 178 UMA_HISTOGRAM_ENUMERATION("Bluetooth.PairingMethod", | |
| 179 UMA_PAIRING_METHOD_CONFIRM_PASSKEY, | |
| 180 UMA_PAIRING_METHOD_COUNT); | |
| 181 | |
| 182 ResetCallbacks(); | |
| 183 confirmation_callback_ = callback; | |
| 184 pairing_delegate_used_ = true; | |
| 185 pairing_delegate_->ConfirmPasskey(device_, passkey); | |
| 186 } | |
| 187 | |
| 188 void BluetoothPairingBlueZ::RequestAuthorization( | |
| 189 const bluez::BluetoothAgentServiceProvider::Delegate::ConfirmationCallback& | |
| 190 callback) { | |
| 191 UMA_HISTOGRAM_ENUMERATION("Bluetooth.PairingMethod", UMA_PAIRING_METHOD_NONE, | |
| 192 UMA_PAIRING_METHOD_COUNT); | |
| 193 | |
| 194 ResetCallbacks(); | |
| 195 confirmation_callback_ = callback; | |
| 196 pairing_delegate_used_ = true; | |
| 197 pairing_delegate_->AuthorizePairing(device_); | |
| 198 } | |
| 199 | |
| 200 bool BluetoothPairingBlueZ::ExpectingConfirmation() const { | |
| 201 return !confirmation_callback_.is_null(); | |
| 202 } | |
| 203 | |
| 204 void BluetoothPairingBlueZ::ConfirmPairing() { | |
| 205 if (confirmation_callback_.is_null()) | |
| 206 return; | |
| 207 | |
| 208 confirmation_callback_.Run( | |
| 209 bluez::BluetoothAgentServiceProvider::Delegate::SUCCESS); | |
| 210 confirmation_callback_.Reset(); | |
| 211 | |
| 212 // If this is not an outgoing connection to the device, clean up the pairing | |
| 213 // context since the pairing is done. The outgoing connection case is cleaned | |
| 214 // up in the callback for the underlying Pair() call. | |
| 215 if (!device_->IsConnecting()) | |
| 216 device_->EndPairing(); | |
| 217 } | |
| 218 | |
| 219 bool BluetoothPairingBlueZ::RejectPairing() { | |
| 220 return RunPairingCallbacks( | |
| 221 bluez::BluetoothAgentServiceProvider::Delegate::REJECTED); | |
| 222 } | |
| 223 | |
| 224 bool BluetoothPairingBlueZ::CancelPairing() { | |
| 225 return RunPairingCallbacks( | |
| 226 bluez::BluetoothAgentServiceProvider::Delegate::CANCELLED); | |
| 227 } | |
| 228 | |
| 229 BluetoothDevice::PairingDelegate* BluetoothPairingBlueZ::GetPairingDelegate() | |
| 230 const { | |
| 231 return pairing_delegate_; | |
| 232 } | |
| 233 | |
| 234 void BluetoothPairingBlueZ::ResetCallbacks() { | |
| 235 pincode_callback_.Reset(); | |
| 236 passkey_callback_.Reset(); | |
| 237 confirmation_callback_.Reset(); | |
| 238 } | |
| 239 | |
| 240 bool BluetoothPairingBlueZ::RunPairingCallbacks( | |
| 241 bluez::BluetoothAgentServiceProvider::Delegate::Status status) { | |
| 242 pairing_delegate_used_ = true; | |
| 243 | |
| 244 bool callback_run = false; | |
| 245 if (!pincode_callback_.is_null()) { | |
| 246 pincode_callback_.Run(status, ""); | |
| 247 pincode_callback_.Reset(); | |
| 248 callback_run = true; | |
| 249 } | |
| 250 | |
| 251 if (!passkey_callback_.is_null()) { | |
| 252 passkey_callback_.Run(status, 0); | |
| 253 passkey_callback_.Reset(); | |
| 254 callback_run = true; | |
| 255 } | |
| 256 | |
| 257 if (!confirmation_callback_.is_null()) { | |
| 258 confirmation_callback_.Run(status); | |
| 259 confirmation_callback_.Reset(); | |
| 260 callback_run = true; | |
| 261 } | |
| 262 | |
| 263 // If this is not an outgoing connection to the device, clean up the pairing | |
| 264 // context since the pairing is done. The outgoing connection case is cleaned | |
| 265 // up in the callback for the underlying Pair() call. | |
| 266 if (!device_->IsConnecting()) | |
| 267 device_->EndPairing(); | |
| 268 | |
| 269 return callback_run; | |
| 270 } | |
| 271 | |
| 272 } // namespace bluez | |
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Chromium Code Reviews
Issue 1898643002:
Refactor device::BluetoothGattXXX classes to split into remote/local. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master