blob: cc2fafb6e2632aa9bb6e1fdce078457a7a287035 [file] [log] [blame]
// 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/bluetooth_classic_device_mac.h"
#include <string>
#include "base/bind.h"
#include "base/hash.h"
#include "base/mac/sdk_forward_declarations.h"
#include "base/sequenced_task_runner.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_util.h"
#include "base/strings/sys_string_conversions.h"
#include "base/time/time.h"
#include "device/bluetooth/bluetooth_socket_mac.h"
#include "device/bluetooth/bluetooth_uuid.h"
// Undocumented API for accessing the Bluetooth transmit power level.
// Similar to the API defined here [ http://goo.gl/20Q5vE ].
@interface IOBluetoothHostController (UndocumentedAPI)
- (IOReturn)
BluetoothHCIReadTransmitPowerLevel:(BluetoothConnectionHandle)connection
inType:(BluetoothHCITransmitPowerLevelType)type
outTransmitPowerLevel:(BluetoothHCITransmitPowerLevel*)level;
@end
namespace device {
namespace {
const char kApiUnavailable[] = "This API is not implemented on this platform.";
// Returns the first (should be, only) UUID contained within the
// |service_class_data|. Returns an invalid (empty) UUID if none is found.
BluetoothUUID ExtractUuid(IOBluetoothSDPDataElement* service_class_data) {
NSArray* inner_elements = [service_class_data getArrayValue];
IOBluetoothSDPUUID* sdp_uuid = nil;
for (IOBluetoothSDPDataElement* inner_element in inner_elements) {
if ([inner_element getTypeDescriptor] == kBluetoothSDPDataElementTypeUUID) {
sdp_uuid = [[inner_element getUUIDValue] getUUIDWithLength:16];
break;
}
}
if (!sdp_uuid)
return BluetoothUUID();
const uint8_t* uuid_bytes =
reinterpret_cast<const uint8_t*>([sdp_uuid bytes]);
std::string uuid_str = base::HexEncode(uuid_bytes, 16);
DCHECK_EQ(uuid_str.size(), 32U);
uuid_str.insert(8, "-");
uuid_str.insert(13, "-");
uuid_str.insert(18, "-");
uuid_str.insert(23, "-");
return BluetoothUUID(uuid_str);
}
} // namespace
BluetoothClassicDeviceMac::BluetoothClassicDeviceMac(
BluetoothAdapterMac* adapter,
IOBluetoothDevice* device)
: BluetoothDeviceMac(adapter), device_([device retain]) {}
BluetoothClassicDeviceMac::~BluetoothClassicDeviceMac() {
}
uint32_t BluetoothClassicDeviceMac::GetBluetoothClass() const {
return [device_ classOfDevice];
}
void BluetoothClassicDeviceMac::CreateGattConnectionImpl() {
// Classic devices do not support GATT connection.
DidFailToConnectGatt(ERROR_UNSUPPORTED_DEVICE);
}
void BluetoothClassicDeviceMac::DisconnectGatt() {}
std::string BluetoothClassicDeviceMac::GetAddress() const {
return GetDeviceAddress(device_);
}
BluetoothDevice::VendorIDSource BluetoothClassicDeviceMac::GetVendorIDSource()
const {
return VENDOR_ID_UNKNOWN;
}
uint16_t BluetoothClassicDeviceMac::GetVendorID() const {
return 0;
}
uint16_t BluetoothClassicDeviceMac::GetProductID() const {
return 0;
}
uint16_t BluetoothClassicDeviceMac::GetDeviceID() const {
return 0;
}
uint16_t BluetoothClassicDeviceMac::GetAppearance() const {
// TODO(crbug.com/588083): Implementing GetAppearance()
// on mac, win, and android platforms for chrome
NOTIMPLEMENTED();
return 0;
}
base::Optional<std::string> BluetoothClassicDeviceMac::GetName() const {
if ([device_ name])
return base::SysNSStringToUTF8([device_ name]);
return base::nullopt;
}
bool BluetoothClassicDeviceMac::IsPaired() const {
return [device_ isPaired];
}
bool BluetoothClassicDeviceMac::IsConnected() const {
return [device_ isConnected];
}
bool BluetoothClassicDeviceMac::IsGattConnected() const {
return false; // Classic devices do not support GATT connection.
}
bool BluetoothClassicDeviceMac::IsConnectable() const {
return false;
}
bool BluetoothClassicDeviceMac::IsConnecting() const {
return false;
}
BluetoothDevice::UUIDSet BluetoothClassicDeviceMac::GetUUIDs() const {
UUIDSet uuids;
for (IOBluetoothSDPServiceRecord* service_record in [device_ services]) {
IOBluetoothSDPDataElement* service_class_data =
[service_record getAttributeDataElement:
kBluetoothSDPAttributeIdentifierServiceClassIDList];
if ([service_class_data getTypeDescriptor] ==
kBluetoothSDPDataElementTypeDataElementSequence) {
BluetoothUUID uuid = ExtractUuid(service_class_data);
if (uuid.IsValid())
uuids.insert(uuid);
}
}
return uuids;
}
base::Optional<int8_t> BluetoothClassicDeviceMac::GetInquiryRSSI() const {
return base::nullopt;
}
base::Optional<int8_t> BluetoothClassicDeviceMac::GetInquiryTxPower() const {
return base::nullopt;
}
bool BluetoothClassicDeviceMac::ExpectingPinCode() const {
NOTIMPLEMENTED();
return false;
}
bool BluetoothClassicDeviceMac::ExpectingPasskey() const {
NOTIMPLEMENTED();
return false;
}
bool BluetoothClassicDeviceMac::ExpectingConfirmation() const {
NOTIMPLEMENTED();
return false;
}
void BluetoothClassicDeviceMac::GetConnectionInfo(
const ConnectionInfoCallback& callback) {
ConnectionInfo connection_info;
if (![device_ isConnected]) {
callback.Run(connection_info);
return;
}
connection_info.rssi = [device_ rawRSSI];
// The API guarantees that +127 is returned in case the RSSI is not readable:
// http://goo.gl/bpURYv
if (connection_info.rssi == 127)
connection_info.rssi = kUnknownPower;
connection_info.transmit_power =
GetHostTransmitPower(kReadCurrentTransmitPowerLevel);
connection_info.max_transmit_power =
GetHostTransmitPower(kReadMaximumTransmitPowerLevel);
callback.Run(connection_info);
}
void BluetoothClassicDeviceMac::Connect(
PairingDelegate* pairing_delegate,
const base::Closure& callback,
const ConnectErrorCallback& error_callback) {
NOTIMPLEMENTED();
}
void BluetoothClassicDeviceMac::SetPinCode(const std::string& pincode) {
NOTIMPLEMENTED();
}
void BluetoothClassicDeviceMac::SetPasskey(uint32_t passkey) {
NOTIMPLEMENTED();
}
void BluetoothClassicDeviceMac::ConfirmPairing() {
NOTIMPLEMENTED();
}
void BluetoothClassicDeviceMac::RejectPairing() {
NOTIMPLEMENTED();
}
void BluetoothClassicDeviceMac::CancelPairing() {
NOTIMPLEMENTED();
}
void BluetoothClassicDeviceMac::Disconnect(
const base::Closure& callback,
const ErrorCallback& error_callback) {
NOTIMPLEMENTED();
}
void BluetoothClassicDeviceMac::Forget(const base::Closure& callback,
const ErrorCallback& error_callback) {
NOTIMPLEMENTED();
}
void BluetoothClassicDeviceMac::ConnectToService(
const BluetoothUUID& uuid,
const ConnectToServiceCallback& callback,
const ConnectToServiceErrorCallback& error_callback) {
scoped_refptr<BluetoothSocketMac> socket = BluetoothSocketMac::CreateSocket();
socket->Connect(device_.get(), uuid, base::Bind(callback, socket),
error_callback);
}
void BluetoothClassicDeviceMac::ConnectToServiceInsecurely(
const BluetoothUUID& uuid,
const ConnectToServiceCallback& callback,
const ConnectToServiceErrorCallback& error_callback) {
error_callback.Run(kApiUnavailable);
}
void BluetoothClassicDeviceMac::CreateGattConnection(
const GattConnectionCallback& callback,
const ConnectErrorCallback& error_callback) {
// TODO(armansito): Implement.
error_callback.Run(ERROR_UNSUPPORTED_DEVICE);
}
base::Time BluetoothClassicDeviceMac::GetLastUpdateTime() const {
return base::Time::FromDoubleT(
[[device_ getLastInquiryUpdate] timeIntervalSince1970]);
}
int BluetoothClassicDeviceMac::GetHostTransmitPower(
BluetoothHCITransmitPowerLevelType power_level_type) const {
IOBluetoothHostController* controller =
[IOBluetoothHostController defaultController];
// Bail if the undocumented API is unavailable on this machine.
SEL selector = @selector(BluetoothHCIReadTransmitPowerLevel:
inType:
outTransmitPowerLevel:);
if (![controller respondsToSelector:selector])
return kUnknownPower;
BluetoothHCITransmitPowerLevel power_level;
IOReturn result =
[controller BluetoothHCIReadTransmitPowerLevel:[device_ connectionHandle]
inType:power_level_type
outTransmitPowerLevel:&power_level];
if (result != kIOReturnSuccess)
return kUnknownPower;
return power_level;
}
// static
std::string BluetoothClassicDeviceMac::GetDeviceAddress(
IOBluetoothDevice* device) {
return CanonicalizeAddress(base::SysNSStringToUTF8([device addressString]));
}
} // namespace device