nathan@4: /* virtual.h
nathan@15: Copyright (c) 2000-2012 Craig Condit, Stefan Huelswitt.
nathan@4: 
nathan@4: Redistribution and use in source and binary forms, with or without
nathan@4: modification, are permitted provided that the following conditions are met: 
nathan@4: 
nathan@4: 1. Redistributions of source code must retain the above copyright notice,
nathan@4:    this list of conditions and the following disclaimer. 
nathan@4: 2. Redistributions in binary form must reproduce the above copyright notice,
nathan@4:    this list of conditions and the following disclaimer in the documentation
nathan@4:    and/or other materials provided with the distribution. 
nathan@4: 
nathan@4: THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
nathan@4: OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
nathan@4: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
nathan@4: DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR
nathan@4: ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
nathan@4: DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
nathan@4: SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
nathan@4: CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
nathan@4: LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
nathan@4: OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
nathan@4: SUCH DAMAGE.
nathan@4: */
nathan@4: 
nathan@4: #ifndef _CDBACKUP_VIRTUAL_H
nathan@4: #define _CDBACKUP_VIRTUAL_H
nathan@4: 
nathan@4: #define VIRT_VERSION    1
nathan@4: #define VIRT_MAGIC      0x144391C83A78412FLL
nathan@4: #define MAX_VIRT_TRACKS 96
nathan@4: #define VIRT_HEADER_LEN CD_FRAMESIZE
nathan@4: 
nathan@4: struct virt_header {
nathan@4:   long long magic;
nathan@4:   int version;
nathan@4:   int tracks;
nathan@4:   int leadout;
nathan@4:   int count, has_cont;
nathan@4:   int reserved[25];
nathan@4:   int start[MAX_VIRT_TRACKS];
nathan@4:   };
nathan@4: 
nathan@4: struct toc_entry {
nathan@4:   u_char track_no;	/* track number */
nathan@4:   char is_data;		/* 1 = data track */
nathan@4:   char is_cdbackup;	/* was it created by CD-Backup? */
nathan@4:   int sec_start;	/* start sector */
nathan@4:   int sec_end;		/* last sector */
nathan@4:   char id_str[33];	/* recorder id string (32 chars) */
nathan@4:   char vol_id[33];	/* volume label (32 characters) */
nathan@4:   char t_stamp[13];	/* time stamp: yyyymmddhhmm */
nathan@4:   char disk_set;	/* disk number */
nathan@4:   char flags;           /* backup flags */
nathan@4:   };
nathan@4: 
nathan@4: extern struct toc_entry *toc;
nathan@4: extern long long cd_used, cd_avail;
nathan@4: 
nathan@4: void Vopen(int ro);
nathan@4: void Vclose(void);
nathan@4: int VisRegular(void);
nathan@4: int VreadToc(int trackInfos);
nathan@4: void VprintSpace(void);
nathan@4: const char *VdevName(void);
nathan@4: long long Vseek(int trackNum);
nathan@4: void Vread(void *buf);
nathan@4: void VnewTrack(void);
nathan@4: void VcloseTrack(int cont);
nathan@4: void Vwrite(const void *buf);
nathan@4: void VgetAhead(void);
nathan@4: void VsetAhead(int restore);
nathan@4: int Vsize(void);
nathan@4: int VhasCont(void);
nathan@4: void VprepareDump(void);
nathan@4: void VvirtRead(void *buf);
nathan@4: 
nathan@4: #endif