/****************************************************************************** * * 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