84 lines
3.8 KiB
C++

/****************************************************************************
*
* Copyright (c) 2025-2026 ModalAI, inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name PX4 nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#include <modal_pipe.h>
#pragma once
class MPA
{
public:
static int Initialize();
typedef void (*mpa_data_cb_t)(char *data, int bytes);
typedef void (*mpa_control_cb_t)(int ch, char *data, int bytes, void *context);
static int PipeClient(const char *pipe_name, int size, mpa_data_cb_t cb);
static int PipeCreate(char *pipe_name, int flags = 0);
static int PipeWrite(int ch, const void *data, int bytes);
static int PipeServerSetControlCb(int ch, mpa_control_cb_t cb, void *context);
static void PipeServerClose(int ch);
private:
static void HelperCB(__attribute__((unused)) int ch, char *data, int bytes, __attribute__((unused)) void *context);
static void DisconnectCB(__attribute__((unused)) int ch, __attribute__((unused)) void *context);
static void ConnectCB(__attribute__((unused)) int ch, __attribute__((unused)) void *context);
typedef int (*pipe_client_set_simple_helper_cb_t)(int ch, client_simple_cb *cb, void *context);
typedef int (*pipe_client_set_connect_cb_t)(int ch, client_connect_cb *cb, void *context);
typedef int (*pipe_client_set_disconnect_cb_t)(int ch, client_disc_cb *cb, void *context);
typedef int (*pipe_client_open_t)(int ch, const char *name_or_location, const char *client_name, int flags, int buf_len);
typedef int (*pipe_server_create_t)(int ch, pipe_info_t info, int flags);
typedef int (*pipe_server_write_t)(int ch, const void *data, int bytes);
typedef int (*pipe_server_set_control_cb_t)(int ch, server_control_cb *cb, void *context);
typedef void (*pipe_server_close_t)(int ch);
static pipe_client_set_simple_helper_cb_t helper_cb;
static pipe_client_set_connect_cb_t connect_cb;
static pipe_client_set_disconnect_cb_t disconnect_cb;
static pipe_client_open_t open_pipe;
static pipe_server_create_t create_pipe;
static pipe_server_write_t write_pipe;
static pipe_server_set_control_cb_t set_control_cb;
static pipe_server_close_t close_pipe;
static bool initialized;
static void *handle;
static int current_client;
static int current_server;
static const int MAX_MPA_CLIENTS{8};
static mpa_data_cb_t data_cb[MAX_MPA_CLIENTS];
};