defines.h

这个程序实现了FLUTE协议

/* $Author: peltotas $ $Date: 2006/03/15 12:46:00 $ $Revision: 1.134 $ */
/*
 *   MAD-ALCLIB: Implementation of ALC/LCT protocols, Compact No-Code FEC,
 *   Simple XOR FEC, Reed-Solomon FEC, and RLC Congestion Control protocol.
 *   Copyright (c) 2003-2006 TUT - Tampere University of Technology
 *   main authors/contacts: [e-mail] and [e-mail]
 *
 *   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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <sys/types.h>

#ifndef _DEFINES_H_
#define _DEFINES_H_

/**** Defines ****/

/* Receiver socket buffer size */
#define RECEIVER_SOCKET_BUFFER_SIZE 2000000

/* Release version & date */
#define MAD_FCL_RELEASE_VERSION "1.4"
#define MAD_FCL_RELEASE_DATE "March 21, 2006"

/* SSM support for WIN XP (IPv4) or for Linux (IPv4 and IPv6) without GNU libc updates */
#define SSM

/* Use ZLIB compression library */
#define USE_ZLIB

/* bit field order is compiler/OS dependant */
#if defined(LINUX) || defined(WIN32)
#define _BIT_FIELDS_LTOH
#undef _BIT_FIELDS_HTOL
#elif defined(SOLARIS)
#undef _BIT_FIELDS_LTOH
#define _BIT_FIELDS_HTOL
#endif

#define FDT_TOI		0				/* TOI for FDT */	
#define EXT_FDT		192				/* Extension header defined by FLUTE */
#define EXT_CENC	193				/* Extension header defined by FLUTE */

/* ALC version */
#define ALC_VERSION	1
#define FLUTE_VERSION	1

/* FEC schemes */ 
#define COM_NO_C_FEC_ENC_ID		0
#define SIMPLE_XOR_FEC_ENC_ID	2
#define SB_LB_E_FEC_ENC_ID		128
#define SB_SYS_FEC_ENC_ID		129
#define COM_FEC_ENC_ID			130

/* FEC algorithms */
#define REED_SOL_FEC_INST_ID	0

/* Congestion Control mechanism */
#define Null 0
#define RLC	1

/* for RLC */
#define RLC_SP_CYCLE		250     /* 250 ms, for fast layer addition */
#define RLC_WAIT_AFTER_SP	2
#define RLC_DEAF_PERIOD		10000	/* 10000 ms, due to IGMP leave latency */
#define RLC_LATE_ACCEPTED	0
#define RLC_LOSS_ACCEPTED	0
#define RLC_PKT_TIMEOUT		500     /* 500 ms */
#define RLC_LOSS_LIMIT		1
#define RLC_LOSS_TIMEOUT	20
#define RLC_MAX_LATES		100

/* Extension headers defined by LCT */
#define EXT_NOP		0
#define	EXT_AUTH	1

/* Extension header defined by ALC */
#define	EXT_FTI		64

/* Operation modes */
#define SENDER		0
#define RECEIVER	1
#define TRANCEIVER	2	

/* Maximum values for some parameters */
#define MAX_ALC_SESSIONS	        100
#define MAX_CHANNELS_IN_SESSION		10

#define MAX_PACKET_LENGTH	1500
#define MAX_LENGTH		100

/* Others */
#define OK					4
#define EMPTY_PACKET		3
#define HDR_ERROR			2
#define MEM_ERROR			1
#define DUP_PACKET			0

#ifndef MAX_PATH
  #define MAX_PATH 1024
#endif

#define MAX_LENGTH 100

#define MAX_TX_QUEUE_SIZE 1000 /* default == 1000 */

/* Content Encoding Algoriths */

#define ZLIB 1
#define DEFLATE 2
#define GZIP 3
#define PAD 4

#ifdef USE_ZLIB

#define ZLIB_BUFLEN 16384

#define GZ_SUFFIX "~gz"
#define GZ_SUFFIX_LEN (sizeof(GZ_SUFFIX)-1)

#define ZLIB_FDT 1
#define ZLIB_FDT_AND_GZIP_FILES 2

#endif

#define PAD_FILES 3
#define PAD_SUFFIX "~pad"                
#define PAD_SUFFIX_LEN (sizeof(PAD_SUFFIX)-1)

#endif