* Copyright (C) 2022 Huawei Device Co., Ltd.
* 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.
*/
#ifndef LOG_TAG
#define LOG_TAG "bt_fwk_his_host"
#endif
#include "bluetooth_hid_host.h"
#include <unistd.h>
#include "bluetooth_device.h"
#include "bluetooth_host.h"
#include "bluetooth_profile_manager.h"
#include "bluetooth_log.h"
#include "bluetooth_observer_list.h"
#include "bluetooth_hid_host_observer_stub.h"
#include "bluetooth_utils.h"
#include "i_bluetooth_hid_host.h"
#include "i_bluetooth_host.h"
#include "iservice_registry.h"
#include "system_ability_definition.h"
namespace OHOS {
namespace Bluetooth {
std::mutex g_hidProxyMutex;
class HidHostInnerObserver : public BluetoothHidHostObserverStub {
public:
explicit HidHostInnerObserver(BluetoothObserverList<HidHostObserver> &observers) : observers_(observers)
{
HILOGD("Enter!");
}
~HidHostInnerObserver() override
{
HILOGD("Enter!");
}
ErrCode OnConnectionStateChanged(const BluetoothRawAddress &device, int32_t state, int32_t cause) override
{
HILOGD("hid conn state, device: %{public}s, state: %{public}s, cause: %{public}d",
GET_ENCRYPT_RAW_ADDR(device), GetProfileConnStateName(state).c_str(), cause);
BluetoothRemoteDevice remoteDevice(device.GetAddress(), 0);
observers_.ForEach([remoteDevice, state, cause](std::shared_ptr<HidHostObserver> observer) {
observer->OnConnectionStateChanged(remoteDevice, state, cause);
});
return NO_ERROR;
}
private:
BluetoothObserverList<HidHostObserver> &observers_;
BLUETOOTH_DISALLOW_COPY_AND_ASSIGN(HidHostInnerObserver);
};
struct HidHost::impl {
impl();
~impl();
int32_t GetDevicesByStates(std::vector<int> states, std::vector<BluetoothRemoteDevice>& result)
{
HILOGI("Enter!");
std::vector<BluetoothRawAddress> rawDevices;
std::vector<int32_t> tmpStates;
for (int32_t state : states) {
tmpStates.push_back((int32_t)state);
}
sptr<IBluetoothHidHost> proxy = GetRemoteProxy<IBluetoothHidHost>(PROFILE_HID_HOST_SERVER);
CHECK_AND_RETURN_LOG_RET(proxy != nullptr, BT_ERR_SERVICE_DISCONNECTED, "failed: no proxy");
int32_t ret = proxy->GetDevicesByStates(tmpStates, rawDevices);
if (ret != BT_NO_ERROR) {
HILOGE("inner error.");
return ret;
}
for (BluetoothRawAddress rawDevice : rawDevices) {
BluetoothRemoteDevice remoteDevice(rawDevice.GetAddress(), 1);
result.push_back(remoteDevice);
}
return BT_NO_ERROR;
}
int32_t GetDeviceState(const BluetoothRemoteDevice &device, int32_t &state)
{
HILOGI("enter, device: %{public}s", GET_ENCRYPT_ADDR(device));
sptr<IBluetoothHidHost> proxy = GetRemoteProxy<IBluetoothHidHost>(PROFILE_HID_HOST_SERVER);
if (proxy == nullptr || !device.IsValidBluetoothRemoteDevice()) {
HILOGE("invalid param.");
return BT_ERR_INVALID_PARAM;
}
return proxy->GetDeviceState(BluetoothRawAddress(device.GetDeviceAddr()), state);
}
int32_t Connect(const BluetoothRemoteDevice &device)
{
sptr<IBluetoothHidHost> proxy = GetRemoteProxy<IBluetoothHidHost>(PROFILE_HID_HOST_SERVER);
if (proxy == nullptr || !device.IsValidBluetoothRemoteDevice()) {
HILOGE("invalid param.");
return BT_ERR_INVALID_PARAM;
}
HILOGI("hid connect remote device: %{public}s", GET_ENCRYPT_ADDR(device));
return proxy->Connect(BluetoothRawAddress(device.GetDeviceAddr()));
}
int32_t Disconnect(const BluetoothRemoteDevice &device)
{
HILOGI("hid disconnect remote device: %{public}s", GET_ENCRYPT_ADDR(device));
sptr<IBluetoothHidHost> proxy = GetRemoteProxy<IBluetoothHidHost>(PROFILE_HID_HOST_SERVER);
if (proxy == nullptr || !device.IsValidBluetoothRemoteDevice()) {
HILOGE("invalid param.");
return BT_ERR_INVALID_PARAM;
}
return proxy->Disconnect(BluetoothRawAddress(device.GetDeviceAddr()));
}
void RegisterObserver(std::shared_ptr<HidHostObserver> observer)
{
HILOGD("Enter!");
observers_.Register(observer);
}
void DeregisterObserver(std::shared_ptr<HidHostObserver> observer)
{
HILOGI("Enter!");
observers_.Deregister(observer);
}
void HidHostVCUnplug(std::string device, uint8_t id, uint16_t size, uint8_t type)
{
HILOGI("Enter!");
int result;
sptr<IBluetoothHidHost> proxy = GetRemoteProxy<IBluetoothHidHost>(PROFILE_HID_HOST_SERVER);
if (proxy != nullptr) {
proxy->HidHostVCUnplug(device, id, size, type, result);
}
}
void HidHostSendData(std::string device, uint8_t id, uint16_t size, uint8_t type)
{
HILOGI("Enter!");
int result;
sptr<IBluetoothHidHost> proxy = GetRemoteProxy<IBluetoothHidHost>(PROFILE_HID_HOST_SERVER);
if (proxy != nullptr) {
proxy->HidHostSendData(device, id, size, type, result);
}
}
void HidHostSetReport(std::string device, uint8_t type, std::string &report)
{
HILOGI("Enter!");
int result;
sptr<IBluetoothHidHost> proxy = GetRemoteProxy<IBluetoothHidHost>(PROFILE_HID_HOST_SERVER);
if (proxy != nullptr) {
proxy->HidHostSetReport(device, type, report, result);
}
}
void HidHostGetReport(std::string device, uint8_t id, uint16_t size, uint8_t type)
{
HILOGI("Enter!");
int result;
sptr<IBluetoothHidHost> proxy = GetRemoteProxy<IBluetoothHidHost>(PROFILE_HID_HOST_SERVER);
if (proxy != nullptr && IS_BT_ENABLED()) {
proxy->HidHostGetReport(device, id, size, type, result);
}
}
int SetConnectStrategy(const BluetoothRemoteDevice &device, int strategy)
{
HILOGI("enter");
sptr<IBluetoothHidHost> proxy = GetRemoteProxy<IBluetoothHidHost>(PROFILE_HID_HOST_SERVER);
CHECK_AND_RETURN_LOG_RET(proxy != nullptr, BT_ERR_UNAVAILABLE_PROXY, "failed: no proxy");
return proxy->SetConnectStrategy(BluetoothRawAddress(device.GetDeviceAddr()), strategy);
}
int GetConnectStrategy(const BluetoothRemoteDevice &device, int &strategy) const
{
HILOGI("enter");
sptr<IBluetoothHidHost> proxy = GetRemoteProxy<IBluetoothHidHost>(PROFILE_HID_HOST_SERVER);
CHECK_AND_RETURN_LOG_RET(proxy != nullptr, BT_ERR_UNAVAILABLE_PROXY, "failed: no proxy");
return proxy->GetConnectStrategy(BluetoothRawAddress(device.GetDeviceAddr()), strategy);
}
int32_t profileRegisterId = 0;
private:
BluetoothObserverList<HidHostObserver> observers_;
sptr<HidHostInnerObserver> innerObserver_;
};
HidHost::impl::impl()
{
innerObserver_ = new HidHostInnerObserver(observers_);
profileRegisterId = BluetoothProfileManager::GetInstance().RegisterFunc(PROFILE_HID_HOST_SERVER,
[this](sptr<IRemoteObject> remote) {
sptr<IBluetoothHidHost> proxy = iface_cast<IBluetoothHidHost>(remote);
CHECK_AND_RETURN_LOG(proxy != nullptr, "failed: no proxy");
proxy->RegisterObserver(innerObserver_);
});
}
HidHost::impl::~impl()
{
HILOGD("start");
BluetoothProfileManager::GetInstance().DeregisterFunc(profileRegisterId);
sptr<IBluetoothHidHost> proxy = GetRemoteProxy<IBluetoothHidHost>(PROFILE_HID_HOST_SERVER);
CHECK_AND_RETURN_LOG(proxy != nullptr, "failed: no proxy");
proxy->DeregisterObserver(innerObserver_);
}
HidHost::HidHost()
{
pimpl = std::make_unique<impl>();
}
HidHost::~HidHost() {}
HidHost *HidHost::GetProfile()
{
#ifdef DTFUZZ_TEST
static BluetoothNoDestructor<HidHost> instance;
return instance.get();
#else
static HidHost instance;
return &instance;
#endif
}
int32_t HidHost::GetDevicesByStates(std::vector<int> states, std::vector<BluetoothRemoteDevice> &result)
{
if (!IS_BT_ENABLED()) {
HILOGE("bluetooth is off.");
return BT_ERR_INVALID_STATE;
}
sptr<IBluetoothHidHost> proxy = GetRemoteProxy<IBluetoothHidHost>(PROFILE_HID_HOST_SERVER);
CHECK_AND_RETURN_LOG_RET(proxy != nullptr, BT_ERR_UNAVAILABLE_PROXY, "failed: no proxy");
return pimpl->GetDevicesByStates(states, result);
}
int32_t HidHost::GetDeviceState(const BluetoothRemoteDevice &device, int32_t &state)
{
if (!IS_BT_ENABLED()) {
HILOGE("bluetooth is off.");
return BT_ERR_INVALID_STATE;
}
sptr<IBluetoothHidHost> proxy = GetRemoteProxy<IBluetoothHidHost>(PROFILE_HID_HOST_SERVER);
CHECK_AND_RETURN_LOG_RET(proxy != nullptr, BT_ERR_UNAVAILABLE_PROXY, "failed: no proxy");
return pimpl->GetDeviceState(device, state);
}
int32_t HidHost::Connect(const BluetoothRemoteDevice &device)
{
if (!IS_BT_ENABLED()) {
HILOGE("bluetooth is off.");
return BT_ERR_INVALID_STATE;
}
sptr<IBluetoothHidHost> proxy = GetRemoteProxy<IBluetoothHidHost>(PROFILE_HID_HOST_SERVER);
CHECK_AND_RETURN_LOG_RET(proxy != nullptr, BT_ERR_UNAVAILABLE_PROXY, "failed: no proxy");
return pimpl->Connect(device);
}
int32_t HidHost::Disconnect(const BluetoothRemoteDevice &device)
{
if (!IS_BT_ENABLED()) {
HILOGE("bluetooth is off.");
return BT_ERR_INVALID_STATE;
}
sptr<IBluetoothHidHost> proxy = GetRemoteProxy<IBluetoothHidHost>(PROFILE_HID_HOST_SERVER);
CHECK_AND_RETURN_LOG_RET(proxy != nullptr, BT_ERR_UNAVAILABLE_PROXY, "failed: no proxy");
return pimpl->Disconnect(device);
}
int HidHost::SetConnectStrategy(const BluetoothRemoteDevice &device, int strategy)
{
HILOGI("enter, device: %{public}s, strategy: %{public}d", GET_ENCRYPT_ADDR(device), strategy);
if (!IS_BT_ENABLED()) {
HILOGE("bluetooth is off.");
return BT_ERR_INVALID_STATE;
}
sptr<IBluetoothHidHost> proxy = GetRemoteProxy<IBluetoothHidHost>(PROFILE_HID_HOST_SERVER);
CHECK_AND_RETURN_LOG_RET(proxy != nullptr, BT_ERR_UNAVAILABLE_PROXY, "failed: no proxy");
if ((!device.IsValidBluetoothRemoteDevice()) || (
(strategy != static_cast<int>(BTStrategyType::CONNECTION_ALLOWED)) &&
(strategy != static_cast<int>(BTStrategyType::CONNECTION_FORBIDDEN)))) {
HILOGI("input parameter error.");
return BT_ERR_INVALID_PARAM;
}
return pimpl->SetConnectStrategy(device, strategy);
}
int HidHost::GetConnectStrategy(const BluetoothRemoteDevice &device, int &strategy) const
{
HILOGI("enter, device: %{public}s", GET_ENCRYPT_ADDR(device));
if (!IS_BT_ENABLED()) {
HILOGE("bluetooth is off.");
return BT_ERR_INVALID_STATE;
}
sptr<IBluetoothHidHost> proxy = GetRemoteProxy<IBluetoothHidHost>(PROFILE_HID_HOST_SERVER);
CHECK_AND_RETURN_LOG_RET(proxy != nullptr, BT_ERR_UNAVAILABLE_PROXY, "failed: no proxy");
if (!device.IsValidBluetoothRemoteDevice()) {
HILOGI("input parameter error.");
return BT_ERR_INVALID_PARAM;
}
return pimpl->GetConnectStrategy(device, strategy);
}
void HidHost::RegisterObserver(std::shared_ptr<HidHostObserver> observer)
{
HILOGD("enter");
CHECK_AND_RETURN_LOG(pimpl != nullptr, "pimpl is null.");
CHECK_AND_RETURN_LOG(observer != nullptr, "observer is null.");
pimpl->RegisterObserver(observer);
}
void HidHost::DeregisterObserver(std::shared_ptr<HidHostObserver> observer)
{
HILOGD("enter");
CHECK_AND_RETURN_LOG(pimpl != nullptr, "pimpl is null.");
pimpl->DeregisterObserver(observer);
}
void HidHost::HidHostVCUnplug(std::string device, uint8_t id, uint16_t size, uint8_t type)
{
if (!IS_BT_ENABLED()) {
HILOGE("bluetooth is off.");
return;
}
sptr<IBluetoothHidHost> proxy = GetRemoteProxy<IBluetoothHidHost>(PROFILE_HID_HOST_SERVER);
CHECK_AND_RETURN_LOG(proxy != nullptr, "failed: no proxy");
return pimpl->HidHostVCUnplug(device, id, size, type);
}
void HidHost::HidHostSendData(std::string device, uint8_t id, uint16_t size, uint8_t type)
{
if (!IS_BT_ENABLED()) {
HILOGE("bluetooth is off.");
return;
}
sptr<IBluetoothHidHost> proxy = GetRemoteProxy<IBluetoothHidHost>(PROFILE_HID_HOST_SERVER);
CHECK_AND_RETURN_LOG(proxy != nullptr, "failed: no proxy");
return pimpl->HidHostSendData(device, id, size, type);
}
void HidHost::HidHostSetReport(std::string device, uint8_t type, std::string &report)
{
if (!IS_BT_ENABLED()) {
HILOGE("bluetooth is off.");
return;
}
sptr<IBluetoothHidHost> proxy = GetRemoteProxy<IBluetoothHidHost>(PROFILE_HID_HOST_SERVER);
CHECK_AND_RETURN_LOG(proxy != nullptr, "failed: no proxy");
return pimpl->HidHostSetReport(device, type, report);
}
void HidHost::HidHostGetReport(std::string device, uint8_t id, uint16_t size, uint8_t type)
{
if (!IS_BT_ENABLED()) {
HILOGE("bluetooth is off.");
return;
}
sptr<IBluetoothHidHost> proxy = GetRemoteProxy<IBluetoothHidHost>(PROFILE_HID_HOST_SERVER);
CHECK_AND_RETURN_LOG(proxy != nullptr, "failed: no proxy");
return pimpl->HidHostGetReport(device, id, size, type);
}
}
}