//
// Copyright (C) 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.
//
#pragma once
#include <base/macros.h>
#include <base/observer_list.h>
#include "service/hal/bluetooth_gatt_interface.h"
namespace bluetooth {
namespace hal {
class FakeBluetoothGattInterface : public BluetoothGattInterface {
public:
// Handles HAL Bluetooth GATT client API calls for testing. Test code can
// provide a fake or mock implementation of this and all calls will be routed
// to it.
class TestClientHandler {
public:
virtual ~TestClientHandler() = default;
virtual bt_status_t RegisterClient(bt_uuid_t* app_uuid) = 0;
virtual bt_status_t UnregisterClient(int client_if) = 0;
virtual bt_status_t Connect(int client_if, const bt_bdaddr_t* bd_addr,
bool is_direct, int transport) = 0;
virtual bt_status_t Disconnect(int client_if, const bt_bdaddr_t* bd_addr,
int conn_id) = 0;
};
// Handles HAL Bluetooth GATT server API calls for testing. Test code can
// provide a fake or mock implementation of this and all calls will be routed
// to it.
class TestServerHandler {
public:
virtual ~TestServerHandler() = default;
virtual bt_status_t RegisterServer(bt_uuid_t* app_uuid) = 0;
virtual bt_status_t UnregisterServer(int server_if) = 0;
virtual bt_status_t AddService(
int server_if, std::vector<btgatt_db_element_t> service) = 0;
virtual bt_status_t DeleteService(int server_if, int srvc_handle) = 0;
virtual bt_status_t SendIndication(int server_if, int attribute_handle,
int conn_id, int confirm,
std::vector<uint8_t> value) = 0;
virtual bt_status_t SendResponse(int conn_id, int trans_id, int status,
btgatt_response_t* response) = 0;
};
// Constructs the fake with the given handlers. Implementations can
// provide their own handlers or simply pass "nullptr" for the default
// behavior in which BT_STATUS_FAIL will be returned from all calls.
FakeBluetoothGattInterface(
std::shared_ptr<BleAdvertiserInterface> advertiser_handler,
std::shared_ptr<BleScannerInterface> scanner_handler,
std::shared_ptr<TestClientHandler> client_handler,
std::shared_ptr<TestServerHandler> server_handler);
~FakeBluetoothGattInterface();
// The methods below can be used to notify observers with certain events and
// given parameters.
void NotifyRegisterScannerCallback(int status, int client_if,
const bt_uuid_t& app_uuid);
void NotifyScanResultCallback(const bt_bdaddr_t& bda, int rssi,
std::vector<uint8_t> adv_data);
// Client callbacks:
void NotifyRegisterClientCallback(int status, int client_if,
const bt_uuid_t& app_uuid);
void NotifyConnectCallback(int conn_id, int status, int client_if,
const bt_bdaddr_t& bda);
void NotifyDisconnectCallback(int conn_id, int status, int client_if,
const bt_bdaddr_t& bda);
// Server callbacks:
void NotifyRegisterServerCallback(int status, int server_if,
const bt_uuid_t& app_uuid);
void NotifyServerConnectionCallback(int conn_id, int server_if, int connected,
const bt_bdaddr_t& bda);
void NotifyServiceAddedCallback(int status, int server_if,
std::vector<btgatt_db_element_t> srvc);
void NotifyCharacteristicAddedCallback(int status, int server_if,
const bt_uuid_t& uuid, int srvc_handle,
int char_handle);
void NotifyDescriptorAddedCallback(int status, int server_if,
const bt_uuid_t& uuid, int srvc_handle,
int desc_handle);
void NotifyServiceStartedCallback(int status, int server_if, int srvc_handle);
void NotifyRequestReadCharacteristicCallback(int conn_id, int trans_id,
const bt_bdaddr_t& bda,
int attr_handle, int offset,
bool is_long);
void NotifyRequestReadDescriptorCallback(int conn_id, int trans_id,
const bt_bdaddr_t& bda,
int attr_handle, int offset,
bool is_long);
void NotifyRequestWriteCharacteristicCallback(int conn_id, int trans_id,
const bt_bdaddr_t& bda,
int attr_handle, int offset,
bool need_rsp, bool is_prep,
std::vector<uint8_t> value);
void NotifyRequestWriteDescriptorCallback(int conn_id, int trans_id,
const bt_bdaddr_t& bda,
int attr_handle, int offset,
bool need_rsp, bool is_prep,
std::vector<uint8_t> value);
void NotifyRequestExecWriteCallback(int conn_id, int trans_id,
const bt_bdaddr_t& bda, int exec_write);
void NotifyIndicationSentCallback(int conn_id, int status);
// BluetoothGattInterface overrides:
void AddScannerObserver(ScannerObserver* observer) override;
void RemoveScannerObserver(ScannerObserver* observer) override;
void AddClientObserver(ClientObserver* observer) override;
void RemoveClientObserver(ClientObserver* observer) override;
void AddServerObserver(ServerObserver* observer) override;
void RemoveServerObserver(ServerObserver* observer) override;
BleAdvertiserInterface* GetAdvertiserHALInterface() const override;
BleScannerInterface* GetScannerHALInterface() const override;
const btgatt_client_interface_t* GetClientHALInterface() const override;
const btgatt_server_interface_t* GetServerHALInterface() const override;
private:
base::ObserverList<ScannerObserver> scanner_observers_;
base::ObserverList<ClientObserver> client_observers_;
base::ObserverList<ServerObserver> server_observers_;
std::shared_ptr<BleScannerInterface> scanner_handler_;
std::shared_ptr<TestClientHandler> client_handler_;
std::shared_ptr<TestServerHandler> server_handler_;
DISALLOW_COPY_AND_ASSIGN(FakeBluetoothGattInterface);
};
} // namespace hal
} // namespace bluetooth