mad.h

这个程序实现了FLUTE协议

/* $Author: peltotas $ $Date: 2006/03/16 13:45:54 $ $Revision: 1.18 $ */
/*
 *   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
 */

#ifndef _MAD_H_
#define _MAD_H_

#include "inc.h"

/**** Macros for min and max if not defined in Operation System ****/

#ifndef min
	#define min(a,b)	((a) <= (b) ? (a) : (b))
#endif

#ifndef max
	#define max(a,b)	((a) >= (b) ? (a) : (b))
#endif

/**** Define bool, true and false if not defined in Operation System ****/

#ifndef bool
	#define bool int
#endif

#ifndef true
	#define true 1
#endif

#ifndef false
	#define false 0
#endif

/**** Global variables ****/

extern bool lib_init;
/**** Functions ****/

void alc_init(void);
double sec(void);
int ushort_ipv6addr(char *ipv6, unsigned short *ipv6addr, int *nb_ipv6_part);
int randomloss(double lossprob);

#ifdef WIN32
typedef struct {
  LONGLONG quot;
  LONGLONG rem;
}lldiv_t;
#endif

#ifdef WIN32
lldiv_t lldiv(LONGLONG num, LONGLONG denom);
#endif

/**** Typedefs *****/

typedef struct alc_arguments {
  
#ifdef WIN32
  ULONGLONG tsi;                          /* Transport Session Identifier */
  ULONGLONG start_time;                    /* Session start time */
  ULONGLONG stop_time;                     /* Session stop time */
#else
  unsigned long long tsi;                 /* Transport Session Identifier */
  unsigned long long start_time;           /* Session start time */
  unsigned long long stop_time;            /* Session stop time */
#endif
  
  char *port;                                     /* Base channel port number  */
  char *addr;                                     /* Base channel Mcast address */
  char *intface;                                  /* Local interface to bind */
  char *intface_name;                             /* Name/index of local interface for IPv6 multicast join */
  unsigned int addr_family;                       /* Address family */
  unsigned char addr_type;                        /* multicast or unicast */
  unsigned char mode;                             /* Sender or receiver? */
  unsigned char nb_channel;                       /* Number of channels */
  unsigned char cc_id;                            /* Congestion control */
  unsigned char rx_memory_mode;                   /* Receivers rx_memory_mod */
  int verbosity;                        /* Verbosity level */
  char *src_addr;                                  /* Source address for filtering traffic */
  char base_dir[MAX_LENGTH];                      /* Base directory for downloaded files */
  bool accept_expired_fdt_inst;
  
#ifdef SSM
  bool use_ssm;                           /* Use Source Specific Multicast */
#endif
    
  unsigned int tx_rate;                    /* Transmission rate in kbit/s */
  unsigned char ttl;                      /* Time to Live */
  unsigned short nb_tx;                   /* How many times to send the file/directory? */
  bool simul_losses;                      /* Simulate packet losses */
  double loss_ratio1;                     /* Packet loss ratio 1 */
  double loss_ratio2;                     /* Packet loss ratio 2 */
  unsigned short fec_ratio;               /* FEC ratio percent */
  unsigned short es_len;                   /* Encoding symbol length */
  unsigned int max_sb_len;                 /* Maximum Source block length */
  unsigned char fec_enc_id;               /* FEC Encoding ID*/
  unsigned short fec_inst_id;             /* FEC Instance ID*/
  bool use_fec_oti_ext_hdr;               /* Include FEC OTI extension header to FLUTE header */
  unsigned char encode_content;           /* Encode content using zlib library 0 = no, 1 = FDT, 2 = FDT and files */
  bool half_word;
  bool optimize_tx_rate;					/*  if true, optimize transmission rate (use more CPU) */
  bool calculate_session_size;

} alc_arguments_t;

#endif