fdt.h

这个程序实现了FLUTE协议

/* $Author: peltotal $ $Date: 2006/02/17 11:12:37 $ $Revision: 1.3 $ */
/*
 *   MAD-FLUTELIB: Implementation of FLUTE 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 _FDT_H_
#define _FDT_H_

/**** Typedefs ****/

typedef struct file {
	
	struct file *prev;
	struct file *next;

	int is_downloaded; /* 0 = not, 1 = downloading, 2 = downloaded */

#ifdef WIN32
	ULONGLONG toi;
	ULONGLONG expires;
	ULONGLONG toi_len;	
	ULONGLONG file_len;
#else
	unsigned long long toi;
	unsigned long long expires;
	unsigned long long toi_len;
	unsigned long long file_len;
#endif

	char *location;
	char *type;
	char *md5;
	char *encoding;

/* FEC OTI */

	short fec_enc_id;
	int fec_inst_id;
	unsigned int max_sb_len;
	unsigned short es_len;
	unsigned short max_nb_of_es;

} file_t;

typedef struct fdt {
#ifdef WIN32
	ULONGLONG expires;
#else
	unsigned long long expires;  /* fdt expiration time in NTP-time */
#endif
	bool complete;
	file_t *file_list;
	unsigned int nb_of_files;

	/* Other common parameters */

	char *type;
	char *encoding;

	/* FEC OTI */

	short fec_enc_id;
	int fec_inst_id;
	unsigned int max_sb_len;
	unsigned short es_len;
	unsigned short max_nb_of_es;
} fdt_t;

typedef struct fdt_th_args{
  int s_id;
  fdt_t *fdt;
  int rx_automatic;				/* Download files defined in fdt automatically */
  char *filetoken;				/* wild card filetoken */
  int accept_expired_fdt_inst;	/* Accept expired FDT Instances in receiver */
  int verbosity;
} fdt_th_args_t;

/**** Functions ****/

fdt_t* decode_fdt_payload(char *fdt_payload);
void FreeFDT(fdt_t *fdt);
void free_file(file_t *file);
int update_fdt(fdt_t *fdt_db, fdt_t *instance);
void PrintFDT(fdt_t *fdt, int s_id);

#endif