/*
Device {
- Name = Drive-1 #
+ Name = Drive-1 #
Maximum File Size = 800M
Maximum Volume Size = 3G
Device Type = TAPE
Archive Device = /tmp/fake
Media Type = DLT-8000
- AutomaticMount = yes; # when device opened, read it
+ AutomaticMount = yes; # when device opened, read it
AlwaysOpen = yes;
RemovableMedia = yes;
RandomAccess = no;
return 0;
}
-int vtape_ioctl(int fd, unsigned long int request, ...)
+int vtape_ioctl(int fd, int request, ...)
{
va_list argp;
int result=0;
result = -1;
break;
- case MTFSF: /* Forward space over mt_count filemarks. */
+ case MTFSF: /* Forward space over mt_count filemarks. */
do {
- result = fsf();
+ result = fsf();
} while (--count > 0 && result == 0);
break;
- case MTBSF: /* Backward space over mt_count filemarks. */
+ case MTBSF: /* Backward space over mt_count filemarks. */
do {
- result = bsf();
+ result = bsf();
} while (--count > 0 && result == 0);
break;
- case MTFSR: /* Forward space over mt_count records (tape blocks). */
+ case MTFSR: /* Forward space over mt_count records (tape blocks). */
/*
file number = 1
block number = 0
result = fsr(mt_com->mt_count);
break;
- case MTBSR: /* Backward space over mt_count records (tape blocks). */
+ case MTBSR: /* Backward space over mt_count records (tape blocks). */
result = bsr(mt_com->mt_count);
break;
- case MTWEOF: /* Write mt_count filemarks. */
+ case MTWEOF: /* Write mt_count filemarks. */
do {
- result = weof();
+ result = weof();
} while (result == 0 && --count > 0);
break;
- case MTREW: /* Rewind. */
+ case MTREW: /* Rewind. */
Dmsg0(dbglevel, "rewind vtape\n");
check_eof();
atEOF = atEOD = false;
result = !read_fm(VT_READ_EOF);
break;
- case MTOFFL: /* put tape offline */
+ case MTOFFL: /* put tape offline */
result = offline();
break;
- case MTRETEN: /* Re-tension tape. */
+ case MTRETEN: /* Re-tension tape. */
result = 0;
break;
- case MTBSFM: /* not used by bacula */
+ case MTBSFM: /* not used by bacula */
errno = EIO;
result = -1;
break;
- case MTFSFM: /* not used by bacula */
+ case MTFSFM: /* not used by bacula */
errno = EIO;
result = -1;
break;
case MTEOM:/* Go to the end of the recorded media (for appending files). */
while (next_FM) {
- lseek(fd, next_FM, SEEK_SET);
- if (read_fm(VT_READ_EOF)) {
- current_file++;
- }
+ lseek(fd, next_FM, SEEK_SET);
+ if (read_fm(VT_READ_EOF)) {
+ current_file++;
+ }
}
off_t l;
while (::read(fd, &l, sizeof(l)) > 0) {
- if (l) {
- lseek(fd, l, SEEK_CUR);
- } else {
- ASSERT(0);
- }
+ if (l) {
+ lseek(fd, l, SEEK_CUR);
+ } else {
+ ASSERT(0);
+ }
Dmsg0(dbglevel, "skip 1 block\n");
}
current_block = -1;
/* Can be at EOM */
break;
- case MTERASE: /* not used by bacula */
+ case MTERASE: /* not used by bacula */
atEOD = true;
atEOF = false;
atEOT = false;
mt_get->mt_gstat = 0x00010000; /* Immediate report mode.*/
if (atEOF) {
- mt_get->mt_gstat |= 0x80000000; // GMT_EOF
+ mt_get->mt_gstat |= 0x80000000; // GMT_EOF
}
if (atBOT) {
- mt_get->mt_gstat |= 0x40000000; // GMT_BOT
+ mt_get->mt_gstat |= 0x40000000; // GMT_BOT
}
if (atEOT) {
- mt_get->mt_gstat |= 0x20000000; // GMT_EOT
+ mt_get->mt_gstat |= 0x20000000; // GMT_EOT
}
if (atEOD) {
- mt_get->mt_gstat |= 0x08000000; // GMT_EOD
+ mt_get->mt_gstat |= 0x08000000; // GMT_EOD
}
if (0) { //WriteProtected) {
- mt_get->mt_gstat |= 0x04000000; // GMT_WR_PROT
+ mt_get->mt_gstat |= 0x04000000; // GMT_WR_PROT
}
if (online) {
- mt_get->mt_gstat |= 0x01000000; // GMT_ONLINE
+ mt_get->mt_gstat |= 0x01000000; // GMT_ONLINE
} else {
mt_get->mt_gstat |= 0x00040000; // GMT_DR_OPEN
}
current_file = 0;
current_block = -1;
- max_block = 2*1024*2048; /* 2GB */
+ max_block = 2*1024*2048; /* 2GB */
}
vtape::~vtape()
ssize_t nb;
Dmsg3(dbglevel*2, "write len=%i %i:%i\n",
- count, current_file,current_block);
+ count, current_file,current_block);
if (atEOT) {
Dmsg0(dbglevel, "write nothing, EOT !\n");
return -1;
}
- if (!atEOD) { /* if not at the end of the data */
+ if (!atEOD) { /* if not at the end of the data */
truncate_file();
}
atBOT = false;
atEOF = false;
- atEOD = true; /* End of data */
+ atEOD = true; /* End of data */
- needEOF = true; /* next operation need EOF mark */
+ needEOF = true; /* next operation need EOF mark */
uint32_t size = count;
::write(fd, &size, sizeof(uint32_t));
atEOT = true;
Dmsg2(dbglevel,
"Not enough space writing only %i of %i requested\n",
- nb, count);
+ nb, count);
}
update_pos();
/*
* +---+---------+---+------------------+---+-------------------+
- * |00N| DATA |0LN| DATA |0LC| DATA |
+ * |00N| DATA |0LN| DATA |0LC| DATA |
* +---+---------+---+------------------+---+-------------------+
*
* 0 : zero
}
if (!atEOD) {
- truncate_file(); /* nothing after this point */
+ truncate_file(); /* nothing after this point */
}
last_FM = cur_FM;
next_FM = 0;
uint32_t c=0;
- ::write(fd, &c, sizeof(uint32_t)); // EOF
+ ::write(fd, &c, sizeof(uint32_t)); // EOF
::write(fd, &last_FM, sizeof(last_FM)); // F-1
::write(fd, &next_FM, sizeof(next_FM)); // F (will be updated next time)
last_file = MAX(current_file, last_file);
Dmsg4(dbglevel, "Writing EOF %i:%i last=%lli cur=%lli next=0\n",
- current_file, current_block, last_FM, cur_FM);
+ current_file, current_block, last_FM, cur_FM);
return 0;
}
atBOT = false;
Dmsg2(dbglevel+1, "fsf %i <= %i\n", current_file, last_file);
- if (next_FM > cur_FM) { /* not the last file */
+ if (next_FM > cur_FM) { /* not the last file */
lseek(fd, next_FM, SEEK_SET);
read_fm(VT_READ_EOF);
current_file++;
atEOF = true;
ret = 0;
- } else if (atEOF) { /* last file mark */
+ } else if (atEOF) { /* last file mark */
current_block=-1;
errno = EIO;
atEOF = false;
atEOD = true;
- } else { /* last file, but no at the end */
+ } else { /* last file, but no at the end */
fsr(100000);
Dmsg0(dbglevel, "Try to FSF after EOT\n");
/* /------------\ /---------------\
* +---+------+---+---------------+-+
- * |OLN| |0LN| | |
+ * |OLN| |0LN| | |
* +---+------+---+---------------+-+
*/
if (read_all == VT_READ_EOF) {
::read(fd, &c, sizeof(c));
if (c != 0) {
- lseek(fd, cur_FM, SEEK_SET);
- return false;
+ lseek(fd, cur_FM, SEEK_SET);
+ return false;
}
}
current_block=0;
Dmsg3(dbglevel, "Read FM cur=%lli last=%lli next=%lli\n",
- cur_FM, last_FM, next_FM);
+ cur_FM, last_FM, next_FM);
return (ret == sizeof(next_FM));
}
off_t where=0;
uint32_t s;
Dmsg4(dbglevel, "fsr %i:%i EOF=%i c=%i\n",
- current_file,current_block,atEOF,count);
+ current_file,current_block,atEOF,count);
check_eof();
for(i=0; (i < count) && !atEOF ; i++) {
nb = ::read(fd, &s, sizeof(uint32_t)); /* get size of next block */
if (nb == sizeof(uint32_t) && s) {
- current_block++;
- where = lseek(fd, s, SEEK_CUR); /* seek after this block */
+ current_block++;
+ where = lseek(fd, s, SEEK_CUR); /* seek after this block */
} else {
Dmsg4(dbglevel, "read EOF %i:%i nb=%i s=%i\n",
- current_file, current_block, nb,s);
- errno = EIO;
- ret = -1;
- if (next_FM) {
- current_file++;
- read_fm(VT_SKIP_EOF);
- }
- atEOF = true; /* stop the loop */
+ current_file, current_block, nb,s);
+ errno = EIO;
+ ret = -1;
+ if (next_FM) {
+ current_file++;
+ read_fm(VT_SKIP_EOF);
+ }
+ atEOF = true; /* stop the loop */
}
}
int orig_b = current_block;
Dmsg4(dbglevel, "bsr(%i) cur_blk=%i orig=%lli cur_FM=%lli\n",
- count, current_block, orig, cur_FM);
+ count, current_block, orig, cur_FM);
/* begin of tape, do nothing */
if (atBOT) {
lseek(fd, cur_FM, SEEK_SET);
atEOF = false;
if (current_file > 0) {
- current_file--;
+ current_file--;
}
current_block=-1;
errno = EIO;
/*
* First, go to cur/last_FM and read all blocks to find the good one
*/
- if (cur_FM == orig) { /* already just before EOF */
+ if (cur_FM == orig) { /* already just before EOF */
lseek(fd, last_FM, SEEK_SET);
} else {
do {
if (!atEOF) {
- last2 = last; /* keep track of the 2 last blocs position */
- last = lseek(fd, 0, SEEK_CUR);
- last_f = current_file;
- last_b = current_block;
+ last2 = last; /* keep track of the 2 last blocs position */
+ last = lseek(fd, 0, SEEK_CUR);
+ last_f = current_file;
+ last_b = current_block;
Dmsg6(dbglevel, "EOF=%i last2=%lli last=%lli < orig=%lli %i:%i\n",
- atEOF, last2, last, orig, current_file, current_block);
+ atEOF, last2, last, orig, current_file, current_block);
}
ret = fsr(1);
} while ((lseek(fd, 0, SEEK_CUR) < orig) && (ret == 0));
- if (last2 > 0 && atEOF) { /* we take the previous position */
+ if (last2 > 0 && atEOF) { /* we take the previous position */
lseek(fd, last2, SEEK_SET);
current_file = last_f;
current_block = last_b - 1;
Dmsg3(dbglevel, "1 set offset2=%lli %i:%i\n",
- last, current_file, current_block);
+ last, current_file, current_block);
} else if (last > 0) {
lseek(fd, last, SEEK_SET);
current_file = last_f;
current_block = last_b;
Dmsg3(dbglevel, "2 set offset=%lli %i:%i\n",
- last, current_file, current_block);
+ last, current_file, current_block);
} else {
lseek(fd, orig, SEEK_SET);
current_file = orig_f;
atBOT = atEOF = atEOT = atEOD = false;
- if (current_file == 0) {/* BOT + errno */
+ if (current_file == 0) {/* BOT + errno */
lseek(fd, 0, SEEK_SET);
read_fm(VT_READ_EOF);
current_file = 0;
{
close();
- atEOF = false; /* End of file */
- atEOT = false; /* End of tape */
- atEOD = false; /* End of data */
- atBOT = false; /* Begin of tape */
+ atEOF = false; /* End of file */
+ atEOT = false; /* End of tape */
+ atEOD = false; /* End of data */
+ atBOT = false; /* Begin of tape */
online = false;
file_block = 0;
if (atEOF) {
if (!next_FM) {
- atEOD = true;
- atEOF = false;
- current_block=-1;
- return 0;
+ atEOD = true;
+ atEOF = false;
+ current_block=-1;
+ return 0;
}
atEOF=false;
}
/* reading size of data */
nb = ::read(fd, &s, sizeof(uint32_t));
if (nb <= 0) {
- atEOF = true; /* TODO: check this */
+ atEOF = true; /* TODO: check this */
return 0;
}
- if (s > count) { /* not enough buffer to read block */
+ if (s > count) { /* not enough buffer to read block */
Dmsg2(dbglevel, "Need more buffer to read next block %i > %i\n",s,count);
lseek(fd, s, SEEK_CUR);
errno = ENOMEM;
return -1;
}
- if (!s) { /* EOF */
+ if (!s) { /* EOF */
atEOF = true;
if (read_fm(VT_SKIP_EOF)) {
- current_file++;
+ current_file++;
}
return 0;
current_block = -1;
Dmsg0(dbglevel, "EOT during reading\n");
return -1;
- } /* read ok */
+ } /* read ok */
if (current_block >= 0) {
current_block++;
{
Dmsg2(dbglevel, "vtape::open(%s, %i)\n", pathname, uflags);
- online = true; /* assume that drive contains a tape */
+ online = true; /* assume that drive contains a tape */
- struct stat statp;
+ struct stat statp;
if (stat(pathname, &statp) != 0) {
fd = -1;
Dmsg1(dbglevel, "Can't stat on %s\n", pathname);
if (uflags & O_NONBLOCK) {
- online = false;
+ online = false;
fd = ::open("/dev/null", O_CREAT | O_RDWR | O_LARGEFILE, 0600);
}
} else {
Dmsg1(dbglevel+1, "last_file=%i\n", last_file);
Dmsg1(dbglevel+1, "file_block=%i\n", file_block);
Dmsg4(dbglevel+1, "EOF=%i EOT=%i EOD=%i BOT=%i\n",
- atEOF, atEOT, atEOD, atBOT);
+ atEOF, atEOT, atEOD, atBOT);
}
#else /* USE_VTAPE */
return -1;
}
-#endif /* ! USE_VTAPE */
+#endif /* ! USE_VTAPE */
projects / bacula / bacula / commitdiff