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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 "adapter/bluetooth_test.h"
#include <binder/ProcessState.h>
#include <stdio.h>
#include <mutex>
#include "btcore/include/property.h"
#include "types/raw_address.h"
namespace {
// Mutex lock used by callbacks to protect |callback_semaphores_| from
// racey behaviour caused when Wait and Notify are called at the same time
std::mutex callback_lock;
} // namespace
namespace bttest {
void BluetoothTest::SetUp() {
android::ProcessState::self()->startThreadPool();
bt_interface_ = nullptr;
state_ = BT_STATE_OFF;
properties_changed_count_ = 0;
last_changed_properties_ = nullptr;
remote_device_properties_changed_count_ = 0;
remote_device_last_changed_properties_ = nullptr;
discovery_state_ = BT_DISCOVERY_STOPPED;
acl_state_ = BT_ACL_STATE_DISCONNECTED;
bond_state_ = BT_BOND_STATE_NONE;
remove("/data/misc/bluedroid/bt_config.conf.encrypted-checksum");
remove("/data/misc/bluedroid/bt_config.bak.encrypted-checksum");
bluetooth::hal::BluetoothInterface::Initialize();
ASSERT_TRUE(bluetooth::hal::BluetoothInterface::IsInitialized());
adapter_properties_callback_sem_ = semaphore_new(0);
remote_device_properties_callback_sem_ = semaphore_new(0);
adapter_state_changed_callback_sem_ = semaphore_new(0);
discovery_state_changed_callback_sem_ = semaphore_new(0);
auto bt_hal_interface = bluetooth::hal::BluetoothInterface::Get();
bt_hal_interface->AddObserver(this);
bt_interface_ = bt_hal_interface->GetHALInterface();
ASSERT_NE(nullptr, bt_interface_) << "bt_interface is null.";
}
void BluetoothTest::TearDown() {
semaphore_free(adapter_properties_callback_sem_);
semaphore_free(remote_device_properties_callback_sem_);
semaphore_free(adapter_state_changed_callback_sem_);
semaphore_free(discovery_state_changed_callback_sem_);
auto bt_hal_interface = bluetooth::hal::BluetoothInterface::Get();
bt_hal_interface->RemoveObserver(this);
bt_hal_interface->CleanUp();
ASSERT_FALSE(bt_hal_interface->IsInitialized());
}
void BluetoothTest::ClearSemaphore(semaphore_t* sem) {
while (semaphore_try_wait(sem))
;
}
const bt_interface_t* BluetoothTest::bt_interface() { return bt_interface_; }
bt_state_t BluetoothTest::GetState() { return state_; }
int BluetoothTest::GetPropertiesChangedCount() {
return properties_changed_count_;
}
bt_property_t* BluetoothTest::GetProperty(bt_property_type_t type) {
for (int i = 0; i < properties_changed_count_; ++i) {
if (last_changed_properties_[i].type == type) {
return &last_changed_properties_[i];
}
}
return nullptr;
}
bt_property_t* BluetoothTest::GetRemoteDeviceProperty(const RawAddress* addr,
bt_property_type_t type) {
if (curr_remote_device_ != *addr) return nullptr;
for (int i = 0; i < remote_device_properties_changed_count_; i++) {
if (remote_device_last_changed_properties_[i].type == type) {
return &remote_device_last_changed_properties_[i];
}
}
return nullptr;
}
bt_discovery_state_t BluetoothTest::GetDiscoveryState() {
return discovery_state_;
}
bt_acl_state_t BluetoothTest::GetAclState() { return acl_state_; }
// Returns the device bond state.
bt_bond_state_t BluetoothTest::GetBondState() { return bond_state_; }
// callback
void BluetoothTest::AdapterStateChangedCallback(bt_state_t new_state) {
state_ = new_state;
semaphore_post(adapter_state_changed_callback_sem_);
}
// callback
void BluetoothTest::AdapterPropertiesCallback(bt_status_t status,
int num_properties,
bt_property_t* new_properties) {
property_free_array(last_changed_properties_, properties_changed_count_);
last_changed_properties_ =
property_copy_array(new_properties, num_properties);
properties_changed_count_ = num_properties;
semaphore_post(adapter_properties_callback_sem_);
}
// callback
void BluetoothTest::RemoteDevicePropertiesCallback(bt_status_t status,
RawAddress* remote_bd_addr,
int num_properties,
bt_property_t* properties) {
curr_remote_device_ = *remote_bd_addr;
property_free_array(remote_device_last_changed_properties_,
remote_device_properties_changed_count_);
remote_device_last_changed_properties_ =
property_copy_array(properties, num_properties);
remote_device_properties_changed_count_ = num_properties;
semaphore_post(remote_device_properties_callback_sem_);
}
// callback
void BluetoothTest::DiscoveryStateChangedCallback(bt_discovery_state_t state) {
discovery_state_ = state;
semaphore_post(discovery_state_changed_callback_sem_);
}
} // bttest
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