fred_msg.h

/*
 * Fred for Linux. Experimental support.
 *
 * Copyright (C) 2018-2021, Marco Pagani, ReTiS Lab.
 * <marco.pag(at)outlook.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2.
*/

#ifndef FRED_MSG_H_
#define FRED_MSG_H_

#include <stdint.h>

//-------------------------------------------------------------------------------

enum msg_head_ {
	// Client requests
	FRED_MSG_INIT   = 101,
	FRED_MSG_BIND   = 201,
	FRED_MSG_RUN    = 301,
	FRED_MSG_DONE   = 401,
	// Server Replies
	FRED_MSG_ACK    = 501,
	FRED_MSG_BUFFS  = 601,
	FRED_MSG_ERROR  = 701,	// Client request error
	// Server notices
	FRED_MSG_CRIT   = 801,	// Server internal error
};

struct fred_msg {
	enum msg_head_ head;
	uint32_t arg;
};

//-------------------------------------------------------------------------------

static inline
int fred_msg_get_head(const struct fred_msg *msg)
{
	return msg->head;
}

static inline
void fred_msg_set_head(struct fred_msg *msg, int head)
{
	msg->head = head;
}

static inline
uint32_t fred_msg_get_arg(const struct fred_msg *msg)
{
	return msg->arg;
}

static inline
void fred_msg_set_arg(struct fred_msg *msg, uint32_t arg)
{
	msg->arg = arg;
}

//-------------------------------------------------------------------------------

#endif /* FRED_MSG_H_ */