/*
Bacula® - The Network Backup Solution
- Copyright (C) 2000-2007 Free Software Foundation Europe e.V.
+ Copyright (C) 2000-2008 Free Software Foundation Europe e.V.
The main author of Bacula is Kern Sibbald, with contributions from
many others, a complete list can be found in the file AUTHORS.
device->dev_type = B_TAPE_DEV;
} else if (S_ISFIFO(statp.st_mode)) {
device->dev_type = B_FIFO_DEV;
+#ifdef USE_VTAPE
+ /* must set DeviceType = Vtape
+ * in normal mode, autodetection is disabled
+ */
+ } else if (S_ISREG(statp.st_mode)) {
+ device->dev_type = B_VTAPE_DEV;
+#endif
} else if (!(device->cap_bits & CAP_REQMOUNT)) {
Jmsg2(jcr, M_ERROR, 0, _("%s is an unknown device type. Must be tape or directory\n"
" or have RequiresMount=yes for DVD. st_mode=%x\n"),
dev = (DEVICE *)malloc(sizeof(DEVICE));
memset(dev, 0, sizeof(DEVICE));
- dev->Slot = -1; /* unknown */
+ dev->clear_slot(); /* unknown */
/* Copy user supplied device parameters from Resource */
dev->dev_name = get_memory(strlen(device->device_name)+1);
dev->drive_index = device->drive_index;
dev->autoselect = device->autoselect;
dev->dev_type = device->dev_type;
+ dev->init_backend();
if (dev->is_tape()) { /* No parts on tapes */
dev->max_part_size = 0;
} else {
return dev;
}
+/* Choose the right backend */
+void DEVICE::init_backend()
+{
+
+#ifdef HAVE_WIN32
+ if (is_tape()) {
+ d_open = win32_tape_open;
+ d_write = win32_tape_write;
+ d_close = win32_tape_close;
+ d_ioctl = win32_tape_ioctl;
+ d_read = win32_tape_read;
+
+ } else {
+ d_open = ::open;
+ d_close = ::close;
+ d_ioctl = win32_ioctl; /* dummy function */
+ d_write = win32_write; /* win32 read/write are not POSIX */
+ d_read = win32_read;
+ }
+
+#else /* POSIX / UNIX Interface */
+ if (is_vtape()) { /* test backend */
+ d_open = vtape_open; /* vtape isn't available for WIN32 or FreeBSD */
+ d_write = vtape_write;
+ d_close = vtape_close;
+ d_ioctl = vtape_ioctl;
+ d_read = vtape_read;
+
+ } else { /* tape and file are using normal io */
+ d_open = ::open;
+ d_write = ::write;
+ d_close = ::close;
+ d_ioctl = ::ioctl;
+ d_read = ::read;
+ }
+#endif
+}
+
/*
* Open the device with the operating system and
* initialize buffer pointers.
if (openmode == omode) {
return m_fd;
} else {
- if (is_tape()) {
- tape_close(m_fd);
- } else {
- ::close(m_fd);
- }
+ d_close(m_fd);
clear_opened();
Dmsg0(100, "Close fd for mode change.\n");
preserve = state & (ST_LABEL|ST_APPEND|ST_READ);
Dmsg4(100, "open dev: type=%d dev_name=%s vol=%s mode=%s\n", dev_type,
print_name(), VolCatInfo.VolCatName, mode_to_str(omode));
state &= ~(ST_LABEL|ST_APPEND|ST_READ|ST_EOT|ST_WEOT|ST_EOF);
- Slot = -1; /* unknown slot */
label_type = B_BACULA_LABEL;
if (is_tape() || is_fifo()) {
open_tape_device(dcr, omode);
#if defined(HAVE_WIN32)
/* Windows Code */
- if ((m_fd = tape_open(dev_name, mode)) < 0) {
+ if ((m_fd = d_open(dev_name, mode)) < 0) {
dev_errno = errno;
}
/* If busy retry each second for max_open_wait seconds */
for ( ;; ) {
/* Try non-blocking open */
- m_fd = ::open(dev_name, mode+O_NONBLOCK);
+ m_fd = d_open(dev_name, mode+O_NONBLOCK);
if (m_fd < 0) {
berrno be;
dev_errno = errno;
mt_com.mt_op = MTREW;
mt_com.mt_count = 1;
/* rewind only if dev is a tape */
- if (is_tape() && (ioctl(m_fd, MTIOCTOP, (char *)&mt_com) < 0)) {
+ if (is_tape() && (d_ioctl(m_fd, MTIOCTOP, (char *)&mt_com) < 0)) {
berrno be;
dev_errno = errno; /* set error status from rewind */
- ::close(m_fd);
+ d_close(m_fd);
clear_opened();
Dmsg2(100, "Rewind error on %s close: ERR=%s\n", print_name(),
be.bstrerror(dev_errno));
}
} else {
/* Got fd and rewind worked, so we must have medium in drive */
- ::close(m_fd);
- m_fd = ::open(dev_name, mode); /* open normally */
+ d_close(m_fd);
+ m_fd = d_open(dev_name, mode); /* open normally */
if (m_fd < 0) {
berrno be;
dev_errno = errno;
be.bstrerror());
Dmsg1(100, "open failed: %s", errmsg);
/* Use system close() */
- ::close(m_fd);
+ d_close(m_fd);
clear_opened();
} else {
part_size = filestat.st_size;
unsigned int i;
bool first = true;
- Dmsg3(400, "rewind res=%d fd=%d %s\n", reserved_device, m_fd, print_name());
+ Dmsg3(400, "rewind res=%d fd=%d %s\n", num_reserved(), m_fd, print_name());
state &= ~(ST_EOT|ST_EOF|ST_WEOT); /* remove EOF/EOT flags */
block_num = file = 0;
file_size = 0;
* retrying every 5 seconds.
*/
for (i=max_rewind_wait; ; i -= 5) {
- if (tape_ioctl(m_fd, MTIOCTOP, (char *)&mt_com) < 0) {
+ if (d_ioctl(m_fd, MTIOCTOP, (char *)&mt_com) < 0) {
berrno be;
clrerror(MTREW);
if (i == max_rewind_wait) {
*/
if (first && dcr) {
int open_mode = openmode;
- tape_close(m_fd);
+ d_close(m_fd);
clear_opened();
open(dcr, open_mode);
if (m_fd < 0) {
block_num = file = 0;
file_size = 0;
file_addr = 0;
- if (is_fifo() || is_prog()) {
+ if (is_fifo()) {
return true;
}
if (!is_tape()) {
mt_com.mt_count = 1;
}
- if (tape_ioctl(m_fd, MTIOCTOP, (char *)&mt_com) < 0) {
+ if (d_ioctl(m_fd, MTIOCTOP, (char *)&mt_com) < 0) {
berrno be;
clrerror(mt_com.mt_op);
Dmsg1(50, "ioctl error: %s\n", be.bstrerror());
stat |= BMT_TAPE;
Pmsg0(-20,_(" Bacula status:"));
Pmsg2(-20,_(" file=%d block=%d\n"), dev->file, dev->block_num);
- if (tape_ioctl(dev->fd(), MTIOCGET, (char *)&mt_stat) < 0) {
+ if (dev->d_ioctl(dev->fd(), MTIOCGET, (char *)&mt_stat) < 0) {
berrno be;
dev->dev_errno = errno;
Mmsg2(dev->errmsg, _("ioctl MTIOCGET error on %s. ERR=%s.\n"),
dev->file_addr = 0;
mt_com.mt_op = MTLOAD;
mt_com.mt_count = 1;
- if (tape_ioctl(dev->fd(), MTIOCTOP, (char *)&mt_com) < 0) {
+ if (dev->d_ioctl(dev->fd(), MTIOCTOP, (char *)&mt_com) < 0) {
berrno be;
dev->dev_errno = errno;
Mmsg2(dev->errmsg, _("ioctl MTLOAD error on %s. ERR=%s.\n"),
unlock_door();
mt_com.mt_op = MTOFFL;
mt_com.mt_count = 1;
- if (tape_ioctl(m_fd, MTIOCTOP, (char *)&mt_com) < 0) {
+ if (d_ioctl(m_fd, MTIOCTOP, (char *)&mt_com) < 0) {
berrno be;
dev_errno = errno;
Mmsg2(errmsg, _("ioctl MTOFFL error on %s. ERR=%s.\n"),
int my_errno = 0;
mt_com.mt_op = MTFSF;
mt_com.mt_count = num;
- stat = tape_ioctl(m_fd, MTIOCTOP, (char *)&mt_com);
+ stat = d_ioctl(m_fd, MTIOCTOP, (char *)&mt_com);
if (stat < 0) {
my_errno = errno; /* save errno */
} else if ((os_file=get_os_tape_file()) < 0) {
}
Dmsg0(100, "Doing MTFSF\n");
- stat = tape_ioctl(m_fd, MTIOCTOP, (char *)&mt_com);
+ stat = d_ioctl(m_fd, MTIOCTOP, (char *)&mt_com);
if (stat < 0) { /* error => EOT */
berrno be;
set_eot();
file_size = 0;
mt_com.mt_op = MTBSF;
mt_com.mt_count = num;
- stat = tape_ioctl(m_fd, MTIOCTOP, (char *)&mt_com);
+ stat = d_ioctl(m_fd, MTIOCTOP, (char *)&mt_com);
if (stat < 0) {
berrno be;
clrerror(MTBSF);
Dmsg1(100, "fsr %d\n", num);
mt_com.mt_op = MTFSR;
mt_com.mt_count = num;
- stat = tape_ioctl(m_fd, MTIOCTOP, (char *)&mt_com);
+ stat = d_ioctl(m_fd, MTIOCTOP, (char *)&mt_com);
if (stat == 0) {
clear_eof();
block_num += num;
clear_eot();
mt_com.mt_op = MTBSR;
mt_com.mt_count = num;
- stat = tape_ioctl(m_fd, MTIOCTOP, (char *)&mt_com);
+ stat = d_ioctl(m_fd, MTIOCTOP, (char *)&mt_com);
if (stat < 0) {
berrno be;
clrerror(MTBSR);
struct mtop mt_com;
mt_com.mt_op = MTLOCK;
mt_com.mt_count = 1;
- tape_ioctl(m_fd, MTIOCTOP, (char *)&mt_com);
+ d_ioctl(m_fd, MTIOCTOP, (char *)&mt_com);
#endif
}
struct mtop mt_com;
mt_com.mt_op = MTUNLOCK;
mt_com.mt_count = 1;
- tape_ioctl(m_fd, MTIOCTOP, (char *)&mt_com);
+ d_ioctl(m_fd, MTIOCTOP, (char *)&mt_com);
#endif
}
+
+void DEVICE::set_slot(int32_t slot)
+{
+ m_slot = slot;
+ if (vol) vol->clear_slot();
+}
+
+void DEVICE::clear_slot()
+{
+ m_slot = -1;
+ if (vol) vol->set_slot(-1);
+}
+
/*
{
struct mtop mt_com;
int stat;
- Dmsg0(129, "weof_dev\n");
+ Dmsg1(129, "=== weof_dev=%s\n", print_name());
if (!is_open()) {
dev_errno = EBADF;
clear_eot();
mt_com.mt_op = MTWEOF;
mt_com.mt_count = num;
- stat = tape_ioctl(m_fd, MTIOCTOP, (char *)&mt_com);
+ stat = d_ioctl(m_fd, MTIOCTOP, (char *)&mt_com);
if (stat == 0) {
block_num = 0;
file += num;
/* Found on Solaris */
#ifdef MTIOCLRERR
{
- tape_ioctl(m_fd, MTIOCLRERR);
+ d_ioctl(m_fd, MTIOCLRERR);
Dmsg0(200, "Did MTIOCLRERR\n");
}
#endif
union mterrstat mt_errstat;
Dmsg2(200, "Doing MTIOCERRSTAT errno=%d ERR=%s\n", dev_errno,
be.bstrerror(dev_errno));
- tape_ioctl(m_fd, MTIOCERRSTAT, (char *)&mt_errstat);
+ d_ioctl(m_fd, MTIOCERRSTAT, (char *)&mt_errstat);
}
#endif
mt_com.mt_op = MTCSE;
mt_com.mt_count = 1;
/* Clear any error condition on the tape */
- tape_ioctl(m_fd, MTIOCTOP, (char *)&mt_com);
+ d_ioctl(m_fd, MTIOCTOP, (char *)&mt_com);
Dmsg0(200, "Did MTCSE\n");
}
#endif
}
+/*
+ * Set to unload the current volume in the drive
+ */
+void DEVICE::set_unload()
+{
+ if (!m_unload && VolHdr.VolumeName[0] != 0) {
+ m_unload = true;
+ memcpy(UnloadVolName, VolHdr.VolumeName, sizeof(UnloadVolName));
+ }
+}
+
+
/*
* Clear volume header
*/
}
switch (dev_type) {
+ case B_VTL_DEV:
+ case B_VTAPE_DEV:
case B_TAPE_DEV:
unlock_door();
- tape_close(m_fd);
- break;
default:
- ::close(m_fd);
+ d_close(m_fd);
}
/* Clean up device packet so it can be reused */
clear_opened();
+ /*
+ * Be careful not to clear items needed by the DVD driver
+ * when it is closing a single part.
+ */
state &= ~(ST_LABEL|ST_READ|ST_APPEND|ST_EOT|ST_WEOT|ST_EOF|
- ST_MOUNTED|ST_MEDIA|ST_SHORT|ST_FREESPACE_OK|ST_PART_SPOOLED);
+ ST_MOUNTED|ST_MEDIA|ST_SHORT);
label_type = B_BACULA_LABEL;
file = block_num = 0;
file_size = 0;
file_addr = 0;
EndFile = EndBlock = 0;
openmode = 0;
- Slot = -1; /* unknown slot */
clear_volhdr();
memset(&VolCatInfo, 0, sizeof(VolCatInfo));
if (tid) {
* the Volume parts multiple times without losing track of what the
* main Volume parameters are.
*/
-void DEVICE::close_part(DCR *dcr)
+void DEVICE::close_part(DCR * /*dcr*/)
{
VOLUME_LABEL saveVolHdr;
VOLUME_CAT_INFO saveVolCatInfo; /* Volume Catalog Information */
close(); /* close current part */
VolHdr = saveVolHdr; /* structure assignment */
VolCatInfo = saveVolCatInfo; /* structure assignment */
- dcr->VolCatInfo = saveVolCatInfo; /* structure assignment */
}
boffset_t DEVICE::lseek(DCR *dcr, boffset_t offset, int whence)
bool DEVICE::truncate(DCR *dcr) /* We need the DCR for DVD-writing */
{
+ struct stat st;
+
Dmsg1(100, "truncate %s\n", print_name());
switch (dev_type) {
+ case B_VTL_DEV:
+ case B_VTAPE_DEV:
case B_TAPE_DEV:
/* maybe we should rewind and write and eof ???? */
return true; /* we don't really truncate tapes */
case B_DVD_DEV:
return truncate_dvd(dcr);
case B_FILE_DEV:
- /* ***FIXME*** we really need to unlink() the file so that
- * its name can be changed for a relabel.
- */
if (ftruncate(m_fd, 0) != 0) {
berrno be;
Mmsg2(errmsg, _("Unable to truncate device %s. ERR=%s\n"),
print_name(), be.bstrerror());
return false;
}
+
+ /*
+ * Check for a successful ftruncate() and issue a work-around for devices
+ * (mostly cheap NAS) that don't support truncation.
+ * Workaround supplied by Martin Schmid as a solution to bug #1011.
+ * 1. close file
+ * 2. delete file
+ * 3. open new file with same mode
+ * 4. change ownership to original
+ */
+
+ if (fstat(m_fd, &st) != 0) {
+ berrno be;
+ Mmsg2(errmsg, _("Unable to stat device %s. ERR=%s\n"),
+ print_name(), be.bstrerror());
+ return false;
+ }
+
+ if (st.st_size != 0) { /* ftruncate() didn't work */
+ POOL_MEM archive_name(PM_FNAME);
+
+ pm_strcpy(archive_name, dev_name);
+ if (!IsPathSeparator(archive_name.c_str()[strlen(archive_name.c_str())-1])) {
+ pm_strcat(archive_name, "/");
+ }
+ pm_strcat(archive_name, dcr->VolumeName);
+
+ Mmsg2(errmsg, _("Device %s doesn't support ftruncate(). Recreating file %s.\n"),
+ print_name(), archive_name.c_str());
+
+ /* Close file and blow it away */
+ ::close(m_fd);
+ ::unlink(archive_name.c_str());
+
+ /* Recreate the file -- of course, empty */
+ set_mode(CREATE_READ_WRITE);
+ if ((m_fd = ::open(archive_name.c_str(), mode, st.st_mode)) < 0) {
+ berrno be;
+ dev_errno = errno;
+ Mmsg2(errmsg, _("Could not reopen: %s, ERR=%s\n"), archive_name.c_str(),
+ be.bstrerror());
+ Dmsg1(100, "reopen failed: %s", errmsg);
+ Emsg0(M_FATAL, 0, errmsg);
+ return false;
+ }
+
+ /* Reset proper owner */
+ chown(archive_name.c_str(), st.st_uid, st.st_gid);
+ }
+
return true;
}
return false;
timeout = 0;
}
results = get_memory(4000);
- results[0] = 0;
/* If busy retry each second */
Dmsg1(100, "do_mount run_prog=%s\n", ocmd.c_str());
}
}
-/* return the last timer interval (ms) */
+/* return the last timer interval (ms)
+ * or 0 if something goes wrong
+ */
btime_t DEVICE::get_timer_count()
{
- btime_t old = last_timer;
+ btime_t temp = last_timer;
last_timer = get_current_btime();
- return last_timer - old;
+ temp = last_timer - temp; /* get elapsed time */
+ return (temp>0)?temp:0; /* take care of skewed clock */
}
/* read from fd */
get_timer_count();
- if (this->is_tape()) {
- read_len = tape_read(m_fd, buf, len);
- } else {
- read_len = ::read(m_fd, buf, len);
- }
+ read_len = d_read(m_fd, buf, len);
last_tick = get_timer_count();
get_timer_count();
- if (this->is_tape()) {
- write_len = tape_write(m_fd, buf, len);
- } else {
- write_len = ::write(m_fd, buf, len);
- }
+ write_len = d_write(m_fd, buf, len);
last_tick = get_timer_count();
struct mtget mt_stat;
if (has_cap(CAP_MTIOCGET) &&
- tape_ioctl(m_fd, MTIOCGET, (char *)&mt_stat) == 0) {
+ d_ioctl(m_fd, MTIOCGET, (char *)&mt_stat) == 0) {
return mt_stat.mt_fileno;
}
return -1;
dev->rem_wait_sec = dev->wait_sec;
dev->num_wait = 0;
dev->poll = false;
- dev->BadVolName[0] = 0;
jcr->min_wait = 60 * 60;
jcr->max_wait = 24 * 60 * 60;
mt_com.mt_op = MTSETBLK;
mt_com.mt_count = 0;
Dmsg0(100, "Set block size to zero\n");
- if (tape_ioctl(dev->fd(), MTIOCTOP, (char *)&mt_com) < 0) {
+ if (dev->d_ioctl(dev->fd(), MTIOCTOP, (char *)&mt_com) < 0) {
dev->clrerror(MTSETBLK);
}
}
#endif
#if defined(MTSETDRVBUFFER)
- if (getpid() == 0) { /* Only root can do this */
+ if (getuid() == 0) { /* Only root can do this */
mt_com.mt_op = MTSETDRVBUFFER;
mt_com.mt_count = MT_ST_CLEARBOOLEANS;
if (!dev->has_cap(CAP_TWOEOF)) {
mt_com.mt_count |= MT_ST_FAST_MTEOM;
}
Dmsg0(100, "MTSETDRVBUFFER\n");
- if (tape_ioctl(dev->fd(), MTIOCTOP, (char *)&mt_com) < 0) {
+ if (dev->d_ioctl(dev->fd(), MTIOCTOP, (char *)&mt_com) < 0) {
dev->clrerror(MTSETDRVBUFFER);
}
}
dev->min_block_size == 0) { /* variable block mode */
mt_com.mt_op = MTSETBSIZ;
mt_com.mt_count = 0;
- if (tape_ioctl(dev->fd(), MTIOCTOP, (char *)&mt_com) < 0) {
+ if (dev->d_ioctl(dev->fd(), MTIOCTOP, (char *)&mt_com) < 0) {
dev->clrerror(MTSETBSIZ);
}
/* Get notified at logical end of tape */
mt_com.mt_op = MTEWARN;
mt_com.mt_count = 1;
- if (tape_ioctl(dev->fd(), MTIOCTOP, (char *)&mt_com) < 0) {
+ if (dev->d_ioctl(dev->fd(), MTIOCTOP, (char *)&mt_com) < 0) {
dev->clrerror(MTEWARN);
}
}
dev->min_block_size == 0) { /* variable block mode */
mt_com.mt_op = MTSETBSIZ;
mt_com.mt_count = 0;
- if (tape_ioctl(dev->fd(), MTIOCTOP, (char *)&mt_com) < 0) {
+ if (dev->d_ioctl(dev->fd(), MTIOCTOP, (char *)&mt_com) < 0) {
dev->clrerror(MTSETBSIZ);
}
}
} else {
neof = 1;
}
- if (ioctl(dev->fd(), MTIOCSETEOTMODEL, (caddr_t)&neof) < 0) {
+ if (dev->d_ioctl(dev->fd(), MTIOCSETEOTMODEL, (caddr_t)&neof) < 0) {
berrno be;
dev->dev_errno = errno; /* save errno */
Mmsg2(dev->errmsg, _("Unable to set eotmodel on device %s: ERR=%s\n"),
dev->min_block_size == 0) { /* variable block mode */
mt_com.mt_op = MTSRSZ;
mt_com.mt_count = 0;
- if (tape_ioctl(dev->fd(), MTIOCTOP, (char *)&mt_com) < 0) {
+ if (dev->d_ioctl(dev->fd(), MTIOCTOP, (char *)&mt_com) < 0) {
dev->clrerror(MTSRSZ);
}
}
{
Dmsg0(100, "dev_get_os_pos\n");
return dev->has_cap(CAP_MTIOCGET) &&
- tape_ioctl(dev->fd(), MTIOCGET, (char *)mt_stat) == 0 &&
+ dev->d_ioctl(dev->fd(), MTIOCGET, (char *)mt_stat) == 0 &&
mt_stat->mt_fileno >= 0;
}
projects / bacula / bacula / blobdiff