/******************************************************************************
*
* Copyright 2018 The Android Open Source Project
*
* 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 <set>
#include "types/raw_address.h"
/* connection_manager takes care of all the low-level details of LE connection
* initiation. It accept requests from multiple subsystems to connect to
* devices, and multiplex them into whitelist add/remove, and scan parameter
* changes.
*
* There is no code for app_id generation. GATT clients use their GATT_IF, and
* L2CAP layer uses CONN_MGR_ID_L2CAP as fixed app_id. In case any further
* subsystems also use connection_manager, we should consider adding a proper
* mechanism for app_id generation.
*/
namespace connection_manager {
using tAPP_ID = uint8_t;
/* for background connection */
extern bool background_connect_add(tAPP_ID app_id, const RawAddress& address);
extern bool background_connect_remove(tAPP_ID app_id,
const RawAddress& address);
extern bool remove_unconditional(const RawAddress& address);
extern void reset(bool after_reset);
extern void on_app_deregistered(tAPP_ID app_id);
extern void on_connection_complete(const RawAddress& address);
extern std::set<tAPP_ID> get_apps_connecting_to(const RawAddress& remote_bda);
extern bool direct_connect_add(tAPP_ID app_id, const RawAddress& address);
extern bool direct_connect_remove(tAPP_ID app_id, const RawAddress& address);
extern void dump(int fd);
/* This callback will be executed when direct connect attempt fails due to
* timeout. It must be implemented by users of connection_manager */
extern void on_connection_timed_out(uint8_t app_id, const RawAddress& address);
} // namespace connection_manager