gd/shim/il2cap.h

/*
 * Copyright 2019 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 <cstdint>
#include <functional>
#include <future>
#include <string>
#include <vector>

/**
 * The gd API exported to the legacy api
 */
namespace bluetooth {
namespace shim {

using ConnectionClosedCallback = std::function<void(uint16_t cid, int error_code)>;
using ConnectionOpenCallback = std::function<void(std::string string_address, uint16_t psm, uint16_t cid)>;
using ReadDataReadyCallback = std::function<void(uint16_t cid, std::vector<const uint8_t> data)>;

struct IL2cap {
  virtual void RegisterService(uint16_t psm, ConnectionOpenCallback on_open, std::promise<void> completed) = 0;
  virtual void UnregisterService(uint16_t psm) = 0;

  virtual void CreateConnection(uint16_t psm, const std::string address, ConnectionOpenCallback on_open,
                                std::promise<uint16_t> completed) = 0;
  virtual void CloseConnection(uint16_t cid) = 0;

  virtual void SetReadDataReadyCallback(uint16_t cid, ReadDataReadyCallback on_data_ready) = 0;
  virtual void SetConnectionClosedCallback(uint16_t cid, ConnectionClosedCallback on_closed) = 0;

  virtual void Write(uint16_t cid, const uint8_t* data, size_t len) = 0;
  virtual void WriteFlushable(uint16_t cid, const uint8_t* data, size_t len) = 0;
  virtual void WriteNonFlushable(uint16_t cid, const uint8_t* data, size_t len) = 0;

  virtual void SendLoopbackResponse(std::function<void()>) = 0;
  virtual ~IL2cap() {}
};

}  // namespace shim
}  // namespace bluetooth