/* MMMUX - a device access multiplexing library

*

* 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 of the License, or

* (at your option) any later version.

*

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

* GNU General Public License for more details.

*

* You should have received a copy of the GNU General Public License

* along with this program; if not, write to the Free Software

* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

*

* Copyright (C) 2012,2013 Soeren Heisrath (forename at surename dot org)

*/

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <errno.h>

#include <sys/un.h>

#include <sys/socket.h>

#include <netinet/in.h>

#include <netdb.h>

#include <arpa/inet.h>

#include <sys/wait.h>

#include <sys/stat.h>

#include <signal.h>

#include <unistd.h>

#include <sys/types.h>

#include <fcntl.h>

#include <stdint.h>

#include <endian.h>

#pragma once

#include "muxd_config.h"

#define SOCKNAME_DEFAULT "/tmp/mmmuxd.sock"

#ifndef MIN

#define MIN(a,b) ((a>b)?b:a)

#endif

extern int v;

#define dbg(f, a...) dprintf (v, "% 20s:% 22s:% 5i:\t" f "\n", __FILE__, __func__, __LINE__, ##a)

#define err(f, a...) fprintf (stderr, "% 20s:% 22s:% 5i:\t" f "\n", __FILE__, __func__, __LINE__, ##a)

#ifndef MAX

#define MAX(a,b) ((a>b)?a:b)

#endif

#define MDBG_STDOUT -1

#define MDBG_NONE 0

#define MDBG_STDERR -2

#define MDBG_FILE -3

typedef enum

{

fs,

tcp,

hw

} mmmux_socktype_t;

typedef enum

{

client,

server

} mmmux_mode_t;

#pragma pack(push)

#pragma pack(1)

typedef enum

{

mode_normal = 0x00,

mode_ook = 0x01

} mmmux_ctrl_t;

typedef enum

{

data = 0x0000,

management = 0x0001,

} mmmux_packettype_t;

typedef struct

{

mmmux_ctrl_t ctrlcode;

} mmmux_ctrl_packet_t;

typedef struct

{

uint8_t version;

mmmux_packettype_t type;

} mmmux_hdr_t;

#pragma pack(pop)

typedef struct

{

int listenfd;

int debugfd;

mmmux_socktype_t type;

mmmux_mode_t mode;

struct sockaddr_un sl;

struct sockaddr_un sr;

/* read, write, master fd sets */

fd_set fds_read;

fd_set fds_write;

fd_set fds_master;

int nfds;

int nclients;

char sockname[256];

char chdir[256];

int pfds_sock[2];

int fds_hw[256];

} mmmux_sctx_t;

mmmux_sctx_t* mmmuxd_init (int in_debug, char* in_sockname);