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//
// Copyright 2015 Google, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at:
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#include "service/ipc/binder/bluetooth_binder_server.h"
#include <base/logging.h>
#include "service/ipc/binder/bluetooth_a2dp_sink_binder_server.h"
#include "service/ipc/binder/bluetooth_a2dp_source_binder_server.h"
#include "service/ipc/binder/bluetooth_avrcp_control_binder_server.h"
#include "service/ipc/binder/bluetooth_avrcp_target_binder_server.h"
#include "service/ipc/binder/bluetooth_gatt_client_binder_server.h"
#include "service/ipc/binder/bluetooth_gatt_server_binder_server.h"
#include "service/ipc/binder/bluetooth_le_advertiser_binder_server.h"
#include "service/ipc/binder/bluetooth_le_scanner_binder_server.h"
#include "service/ipc/binder/bluetooth_low_energy_binder_server.h"
#include "service/hal/bluetooth_interface.h"
using android::sp;
using android::String8;
using android::String16;
using android::bluetooth::IBluetoothCallback;
using android::bluetooth::IBluetoothGattClient;
using android::bluetooth::IBluetoothGattServer;
namespace ipc {
namespace binder {
BluetoothBinderServer::BluetoothBinderServer(bluetooth::Adapter* adapter)
: adapter_(adapter) {
CHECK(adapter_);
adapter_->AddObserver(this);
}
BluetoothBinderServer::~BluetoothBinderServer() {
adapter_->RemoveObserver(this);
}
// binder::BnBluetooth overrides:
Status BluetoothBinderServer::IsEnabled(bool* _aidl_return) {
VLOG(2) << __func__;
*_aidl_return = adapter_->IsEnabled();
return Status::ok();
}
Status BluetoothBinderServer::GetState(int32_t* _aidl_return) {
VLOG(2) << __func__;
*_aidl_return = adapter_->GetState();
return Status::ok();
}
Status BluetoothBinderServer::Enable(bool* _aidl_return) {
VLOG(2) << __func__;
*_aidl_return = adapter_->Enable();
return Status::ok();
}
Status BluetoothBinderServer::EnableNoAutoConnect(bool* _aidl_return) {
VLOG(2) << __func__;
// TODO(armansito): Implement.
*_aidl_return = false;
return Status::ok();
}
Status BluetoothBinderServer::Disable(bool* _aidl_return) {
VLOG(2) << __func__;
*_aidl_return = adapter_->Disable();
return Status::ok();
}
Status BluetoothBinderServer::GetAddress(::android::String16* _aidl_return) {
VLOG(2) << __func__;
*_aidl_return = String16(String8(adapter_->GetAddress().c_str()));
return Status::ok();
}
Status BluetoothBinderServer::GetUUIDs(
::std::vector<::android::bluetooth::UUID>* _aidl_return) {
VLOG(2) << __func__;
// TODO(armansito): Implement.
*_aidl_return = std::vector<android::bluetooth::UUID>();
return Status::ok();
}
Status BluetoothBinderServer::SetName(const ::android::String16& name,
bool* _aidl_return) {
VLOG(2) << __func__;
*_aidl_return = adapter_->SetName(std::string(String8(name).string()));
return Status::ok();
}
Status BluetoothBinderServer::GetName(::android::String16* _aidl_return) {
VLOG(2) << __func__;
*_aidl_return = String16(String8(adapter_->GetName().c_str()));
return Status::ok();
}
Status BluetoothBinderServer::SetScanMode(int32_t scan_mode,
bool* _aidl_return) {
VLOG(2) << __func__;
*_aidl_return = adapter_->SetScanMode(scan_mode);
return Status::ok();
}
Status BluetoothBinderServer::SetScanEnable(bool scan_enable,
bool* _aidl_return) {
VLOG(2) << __func__;
*_aidl_return = adapter_->SetScanEnable(scan_enable);
return Status::ok();
}
Status BluetoothBinderServer::SspReply(
const ::android::String16& device_address, int32_t variant, bool accept,
int32_t passkey, bool* _aidl_return) {
VLOG(2) << __func__;
*_aidl_return = adapter_->SspReply(String8(device_address).string(), variant,
accept, passkey);
return Status::ok();
}
Status BluetoothBinderServer::CreateBond(
const ::android::String16& device_address, int32_t transport,
bool* _aidl_return) {
VLOG(2) << __func__;
*_aidl_return =
adapter_->CreateBond(String8(device_address).string(), transport);
return Status::ok();
}
Status BluetoothBinderServer::GetBondedDevices(bool* _aidl_return) {
VLOG(2) << __func__;
*_aidl_return = adapter_->GetBondedDevices();
return Status::ok();
}
Status BluetoothBinderServer::RemoveBond(
const ::android::String16& device_address, bool* _aidl_return) {
VLOG(2) << __func__;
*_aidl_return = adapter_->RemoveBond(String8(device_address).string());
return Status::ok();
}
Status BluetoothBinderServer::GetRemoteDeviceProperties(
const ::android::String16& device_address, bool* _aidl_return) {
VLOG(2) << __func__;
*_aidl_return =
adapter_->GetRemoteDeviceProperties(String8(device_address).string());
return Status::ok();
}
Status BluetoothBinderServer::RegisterCallback(
const ::android::sp<IBluetoothCallback>& callback) {
VLOG(2) << __func__;
if (!callback.get()) {
LOG(ERROR) << "RegisterCallback called with NULL binder. Ignoring.";
return Status::ok();
}
callbacks_.Register(callback);
return Status::ok();
}
Status BluetoothBinderServer::UnregisterCallback(
const ::android::sp<IBluetoothCallback>& callback) {
VLOG(2) << __func__;
if (!callback.get()) {
LOG(ERROR) << "UnregisterCallback called with NULL binder. Ignoring.";
return Status::ok();
}
callbacks_.Unregister(callback);
return Status::ok();
}
Status BluetoothBinderServer::IsMultiAdvertisementSupported(
bool* _aidl_return) {
VLOG(2) << __func__;
*_aidl_return = adapter_->IsMultiAdvertisementSupported();
return Status::ok();
}
Status BluetoothBinderServer::GetA2dpSinkInterface(
::android::sp<IBluetoothA2dpSink>* _aidl_return) {
VLOG(2) << __func__;
if (!adapter_->IsEnabled()) {
LOG(ERROR) << "Cannot obtain IBluetoothA2dpSink interface while disabled";
*_aidl_return = nullptr;
return Status::ok();
}
if (!a2dp_sink_interface_.get())
a2dp_sink_interface_ = new BluetoothA2dpSinkBinderServer(adapter_);
if (a2dp_sink_interface_->HasInstance()) {
LOG(ERROR) << "Only one A2dpSink interface allowed at a time";
*_aidl_return = nullptr;
return Status::ok();
}
*_aidl_return = a2dp_sink_interface_;
return Status::ok();
}
Status BluetoothBinderServer::GetA2dpSourceInterface(
::android::sp<IBluetoothA2dpSource>* _aidl_return) {
VLOG(2) << __func__;
if (!adapter_->IsEnabled()) {
LOG(ERROR) << "Cannot obtain IBluetoothA2dpSource interface while disabled";
*_aidl_return = nullptr;
return Status::ok();
}
if (!a2dp_source_interface_.get())
a2dp_source_interface_ = new BluetoothA2dpSourceBinderServer(adapter_);
if (a2dp_source_interface_->HasInstance()) {
LOG(ERROR) << "Only one A2dpSource interface allowed at a time";
*_aidl_return = nullptr;
return Status::ok();
}
*_aidl_return = a2dp_source_interface_;
return Status::ok();
}
Status BluetoothBinderServer::GetLowEnergyInterface(
::android::sp<IBluetoothLowEnergy>* _aidl_return) {
VLOG(2) << __func__;
if (!adapter_->IsEnabled()) {
LOG(ERROR) << "Cannot obtain IBluetoothLowEnergy interface while disabled";
*_aidl_return = NULL;
return Status::ok();
}
if (!low_energy_interface_.get())
low_energy_interface_ = new BluetoothLowEnergyBinderServer(adapter_);
*_aidl_return = low_energy_interface_;
return Status::ok();
}
Status BluetoothBinderServer::GetLeAdvertiserInterface(
::android::sp<IBluetoothLeAdvertiser>* _aidl_return) {
VLOG(2) << __func__;
if (!adapter_->IsEnabled()) {
LOG(ERROR)
<< "Cannot obtain IBluetoothLeAdvertiser interface while disabled";
*_aidl_return = NULL;
return Status::ok();
}
if (!le_advertiser_interface_.get())
le_advertiser_interface_ = new BluetoothLeAdvertiserBinderServer(adapter_);
*_aidl_return = le_advertiser_interface_;
return Status::ok();
}
Status BluetoothBinderServer::GetLeScannerInterface(
::android::sp<IBluetoothLeScanner>* _aidl_return) {
VLOG(2) << __func__;
if (!adapter_->IsEnabled()) {
LOG(ERROR) << "Cannot obtain IBluetoothLeScanner interface while disabled";
*_aidl_return = NULL;
return Status::ok();
}
if (!le_scanner_interface_.get())
le_scanner_interface_ = new BluetoothLeScannerBinderServer(adapter_);
*_aidl_return = le_scanner_interface_;
return Status::ok();
}
Status BluetoothBinderServer::GetGattClientInterface(
::android::sp<IBluetoothGattClient>* _aidl_return) {
VLOG(2) << __func__;
if (!adapter_->IsEnabled()) {
LOG(ERROR) << "Cannot obtain IBluetoothGattClient interface while disabled";
*_aidl_return = NULL;
return Status::ok();
}
if (!gatt_client_interface_.get())
gatt_client_interface_ = new BluetoothGattClientBinderServer(adapter_);
*_aidl_return = gatt_client_interface_;
return Status::ok();
}
Status BluetoothBinderServer::GetGattServerInterface(
::android::sp<IBluetoothGattServer>* _aidl_return) {
VLOG(2) << __func__;
if (!adapter_->IsEnabled()) {
LOG(ERROR) << "Cannot obtain IBluetoothGattServer interface while disabled";
*_aidl_return = NULL;
return Status::ok();
}
if (!gatt_server_interface_.get())
gatt_server_interface_ = new BluetoothGattServerBinderServer(adapter_);
*_aidl_return = gatt_server_interface_;
return Status::ok();
}
Status BluetoothBinderServer::GetAvrcpControlInterface(
::android::sp<IBluetoothAvrcpControl>* _aidl_return) {
VLOG(2) << __func__;
if (!adapter_->IsEnabled()) {
LOG(ERROR)
<< "Cannot obtain IBluetoothAvrcpControl interface while disabled";
*_aidl_return = NULL;
return Status::ok();
}
if (!avrcp_control_interface_.get())
avrcp_control_interface_ = new BluetoothAvrcpControlBinderServer(adapter_);
*_aidl_return = avrcp_control_interface_;
return Status::ok();
}
Status BluetoothBinderServer::GetAvrcpTargetInterface(
::android::sp<IBluetoothAvrcpTarget>* _aidl_return) {
VLOG(2) << __func__;
if (!adapter_->IsEnabled()) {
LOG(ERROR)
<< "Cannot obtain IBluetoothAvrcpTarget interface while disabled";
*_aidl_return = NULL;
return Status::ok();
}
if (!avrcp_target_interface_.get())
avrcp_target_interface_ = new BluetoothAvrcpTargetBinderServer(adapter_);
if (avrcp_target_interface_->HasInstance()) {
LOG(ERROR) << "Only one AVRCP target interface allowed at a time";
*_aidl_return = nullptr;
return Status::ok();
}
*_aidl_return = avrcp_target_interface_;
return Status::ok();
}
android::status_t BluetoothBinderServer::dump(
int fd, const android::Vector<android::String16>& args) {
VLOG(2) << __func__ << " called with fd " << fd;
if (args.size() > 0) {
// TODO (jamuraa): Parse arguments and switch on --proto, --proto_text
for (const auto& x : args) {
VLOG(2) << __func__ << "argument: " << x.string();
}
}
// TODO (jamuraa): enumerate profiles and dump profile information
const bt_interface_t* iface =
bluetooth::hal::BluetoothInterface::Get()->GetHALInterface();
iface->dump(fd, NULL);
return android::NO_ERROR;
}
void BluetoothBinderServer::OnAdapterStateChanged(
bluetooth::Adapter* adapter, bluetooth::AdapterState prev_state,
bluetooth::AdapterState new_state) {
CHECK_EQ(adapter, adapter_);
VLOG(2) << "Received adapter state update - prev: " << prev_state
<< " new: " << new_state;
callbacks_.ForEach([prev_state, new_state](IBluetoothCallback* callback) {
callback->OnBluetoothStateChange(prev_state, new_state);
});
}
void BluetoothBinderServer::OnDeviceConnectionStateChanged(
bluetooth::Adapter* adapter, const std::string& device_address,
bool connected) {
CHECK_EQ(adapter, adapter_);
auto addr_s16 = String16(device_address.c_str(), device_address.size());
callbacks_.ForEach([&addr_s16, connected](IBluetoothCallback* callback) {
callback->OnDeviceConnectionStateChanged(addr_s16, connected);
});
}
void BluetoothBinderServer::OnScanEnableChanged(bluetooth::Adapter* adapter,
bool scan_enabled) {
CHECK_EQ(adapter, adapter_);
callbacks_.ForEach([scan_enabled](IBluetoothCallback* callback) {
callback->OnScanEnableChanged(scan_enabled);
});
}
void BluetoothBinderServer::OnSspRequest(bluetooth::Adapter* adapter,
const std::string& device_address,
const std::string& device_name,
int cod, int pairing_variant,
int pass_key) {
CHECK_EQ(adapter, adapter_);
VLOG(2) << "Received ssp request: device_address: " << device_address
<< ", device_name: " << device_name << ", cod: " << cod
<< ", pairing_variant: " << pairing_variant
<< ", pass_key: " << pass_key;
android::String16 addr_s16(device_address.c_str());
android::String16 name_s16(device_name.c_str());
callbacks_.ForEach([&addr_s16, &name_s16, cod, pairing_variant,
pass_key](IBluetoothCallback* callback) {
callback->OnSspRequest(addr_s16, name_s16, cod, pairing_variant, pass_key);
});
}
void BluetoothBinderServer::OnBondStateChanged(
bluetooth::Adapter* adapter, int status, const std::string& device_address,
int state) {
CHECK_EQ(adapter, adapter_);
VLOG(2) << "Received " << __func__ << " "
<< "status: " << status << ", device_address: " << device_address
<< ", state: " << state;
android::String16 addr_s16(device_address.c_str(), device_address.size());
callbacks_.ForEach([status, &addr_s16, state](IBluetoothCallback* callback) {
callback->OnBondStateChanged(status, addr_s16, state);
});
}
void BluetoothBinderServer::OnGetBondedDevices(
bluetooth::Adapter* adapter, int status,
const std::vector<std::string>& bonded_devices) {
CHECK_EQ(adapter, adapter_);
VLOG(2) << "Received " << __func__;
std::vector<android::String16> devices_s16;
devices_s16.reserve(bonded_devices.size());
for (const auto& device : bonded_devices)
devices_s16.emplace_back(device.c_str(), device.size());
callbacks_.ForEach([status, &devices_s16](IBluetoothCallback* callback) {
callback->OnGetBondedDevices(status, devices_s16);
});
}
void BluetoothBinderServer::OnGetRemoteDeviceProperties(
bluetooth::Adapter* adapter, int status, const std::string& device_address,
const bluetooth::RemoteDeviceProps& properties) {
CHECK_EQ(adapter, adapter_);
VLOG(2) << "Received " << __func__ << " "
<< "status: " << status << ", device_address: " << device_address;
android::String16 addr_s16(device_address.c_str(), device_address.size());
auto binder_props =
android::bluetooth::BluetoothRemoteDeviceProps(properties);
callbacks_.ForEach(
[status, &addr_s16, &binder_props](IBluetoothCallback* callback) {
callback->OnGetRemoteDeviceProperties(status, addr_s16, binder_props);
});
}
void BluetoothBinderServer::OnDeviceFound(
bluetooth::Adapter* adapter,
const bluetooth::RemoteDeviceProps& properties) {
CHECK_EQ(adapter, adapter_);
VLOG(2) << "Received " << __func__ << " ";
auto binder_props =
android::bluetooth::BluetoothRemoteDeviceProps(properties);
callbacks_.ForEach([&binder_props](IBluetoothCallback* callback) {
callback->OnDeviceFound(binder_props);
});
}
} // namespace binder
} // namespace ipc