/*
Bacula® - The Network Backup Solution
- Copyright (C) 2000-2010 Free Software Foundation Europe e.V.
+ Copyright (C) 2000-2012 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.
This program is Free Software; you can redistribute it and/or
- modify it under the terms of version two of the GNU General Public
+ modify it under the terms of version three of the GNU Affero General Public
License as published by the Free Software Foundation and included
in the file LICENSE.
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
+ You should have received a copy of the GNU Affero General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
* Kern Sibbald, MM
*
* NOTE!!!! None of these routines are reentrant. You must
- * use dev->r_dlock() and dev->unlock() at a higher level,
+ * use dev->rLock() and dev->Unlock() at a higher level,
* or use the xxx_device() equivalents. By moving the
* thread synchronization to a higher level, we permit
* the higher level routines to "seize" the device and
void set_os_device_parameters(DCR *dcr);
static bool dev_get_os_pos(DEVICE *dev, struct mtget *mt_stat);
static const char *mode_to_str(int mode);
+static DEVICE *m_init_dev(JCR *jcr, DEVRES *device, bool new_init);
/*
* Allocate and initialize the DEVICE structure
*/
DEVICE *
init_dev(JCR *jcr, DEVRES *device)
+{
+ DEVICE *dev = m_init_dev(jcr, device, false);
+ return dev;
+}
+
+static DEVICE *
+m_init_dev(JCR *jcr, DEVRES *device, bool new_init)
{
struct stat statp;
int errstat;
device->dev_type = B_DVD_DEV;
}
}
-
- dev = (DEVICE *)malloc(sizeof(DEVICE));
- memset(dev, 0, sizeof(DEVICE));
+ switch (device->dev_type) {
+ case B_DVD_DEV:
+ Jmsg0(jcr, M_FATAL, 0, _("DVD support is now deprecated\n"));
+ return NULL;
+ case B_VTAPE_DEV:
+ dev = New(vtape);
+ break;
+#ifdef USE_FTP
+ case B_FTP_DEV:
+ dev = New(ftp_device);
+ break;
+#endif
+#ifdef HAVE_WIN32
+/* TODO: defined in src/win32/stored/mtops.cpp */
+ case B_TAPE_DEV:
+ dev = New(win32_tape_device);
+ break;
+ case B_FILE_DEV:
+ dev = New(win32_file_device);
+ break;
+#else
+ case B_TAPE_DEV:
+ case B_FILE_DEV:
+ case B_FIFO_DEV:
+ dev = New(DEVICE);
+ break;
+#endif
+ default:
+ return NULL;
+ }
dev->clear_slot(); /* unknown */
/* Copy user supplied device parameters from Resource */
dev->drive_index = device->drive_index;
dev->autoselect = device->autoselect;
dev->dev_type = device->dev_type;
- dev->init_backend();
+ dev->device = device;
if (dev->is_tape()) { /* No parts on tapes */
dev->max_part_size = 0;
} else {
if (dev->vol_poll_interval && dev->vol_poll_interval < 60) {
dev->vol_poll_interval = 60;
}
- /* Link the dev and device structures together */
- dev->device = device;
device->dev = dev;
if (dev->is_fifo()) {
* - Check that the mount point is available
* - Check that (un)mount commands are defined
*/
- if ((dev->is_file() || dev->is_dvd()) && dev->requires_mount()) {
+ if (dev->is_file() && dev->requires_mount()) {
if (!device->mount_point || stat(device->mount_point, &statp) < 0) {
berrno be;
dev->dev_errno = errno;
Jmsg0(jcr, M_ERROR_TERM, 0, _("Mount and unmount commands must defined for a device which requires mount.\n"));
}
}
- if (dev->is_dvd()) {
- if (!device->write_part_command) {
- Jmsg0(jcr, M_ERROR_TERM, 0, _("Write part command must be defined for a device which requires mount.\n"));
- }
- }
/* Sanity check */
if (dev->max_block_size == 0) {
dev->max_block_size = 0;
}
if (dev->max_block_size % TAPE_BSIZE != 0) {
- Jmsg2(jcr, M_WARNING, 0, _("Max block size %u not multiple of device %s block size.\n"),
- dev->max_block_size, dev->print_name());
+ Jmsg3(jcr, M_WARNING, 0, _("Max block size %u not multiple of device %s block size=%d.\n"),
+ dev->max_block_size, dev->print_name(), TAPE_BSIZE);
}
if (dev->max_volume_size != 0 && dev->max_volume_size < (dev->max_block_size << 4)) {
- Jmsg(jcr, M_ERROR_TERM, 0, _("Max Vol Size < 8 * Max Block Size on device %s\n"),
+ Jmsg(jcr, M_ERROR_TERM, 0, _("Max Vol Size < 8 * Max Block Size for device %s\n"),
dev->print_name());
}
dev->errmsg = get_pool_memory(PM_EMSG);
*dev->errmsg = 0;
- if ((errstat = pthread_mutex_init(&dev->m_mutex, NULL)) != 0) {
+ if ((errstat = dev->init_mutex()) != 0) {
berrno be;
dev->dev_errno = errstat;
Mmsg1(dev->errmsg, _("Unable to init mutex: ERR=%s\n"), be.bstrerror(errstat));
if ((errstat = pthread_mutex_init(&dev->spool_mutex, NULL)) != 0) {
berrno be;
dev->dev_errno = errstat;
- Mmsg1(dev->errmsg, _("Unable to init mutex: ERR=%s\n"), be.bstrerror(errstat));
+ Mmsg1(dev->errmsg, _("Unable to init spool mutex: ERR=%s\n"), be.bstrerror(errstat));
Jmsg0(jcr, M_ERROR_TERM, 0, dev->errmsg);
}
- if ((errstat = pthread_mutex_init(&dev->acquire_mutex, NULL)) != 0) {
+ if ((errstat = dev->init_acquire_mutex()) != 0) {
berrno be;
dev->dev_errno = errstat;
- Mmsg1(dev->errmsg, _("Unable to init mutex: ERR=%s\n"), be.bstrerror(errstat));
+ Mmsg1(dev->errmsg, _("Unable to init acquire mutex: ERR=%s\n"), be.bstrerror(errstat));
+ Jmsg0(jcr, M_ERROR_TERM, 0, dev->errmsg);
+ }
+ if ((errstat = dev->init_read_acquire_mutex()) != 0) {
+ berrno be;
+ dev->dev_errno = errstat;
+ Mmsg1(dev->errmsg, _("Unable to init read acquire mutex: ERR=%s\n"), be.bstrerror(errstat));
Jmsg0(jcr, M_ERROR_TERM, 0, dev->errmsg);
}
- /* Ensure that we respect this order in P/V operations */
- bthread_mutex_set_priority(&dev->m_mutex, PRIO_SD_DEV_ACCESS);
- bthread_mutex_set_priority(&dev->spool_mutex, PRIO_SD_DEV_SPOOL);
- bthread_mutex_set_priority(&dev->acquire_mutex, PRIO_SD_DEV_ACQUIRE);
+
+ dev->set_mutex_priorities();
+
+
#ifdef xxx
if ((errstat = rwl_init(&dev->lock)) != 0) {
berrno be;
return dev;
}
-/* Choose the right backend */
-void DEVICE::init_backend()
+/* default primitives are designed for file */
+int DEVICE::d_open(const char *pathname, int flags)
{
+ return ::open(pathname, flags);
+}
-#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;
+int DEVICE::d_close(int fd)
+{
+ return ::close(fd);
+}
- } 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
+int DEVICE::d_ioctl(int fd, ioctl_req_t request, char *mt_com)
+{
+ return ::ioctl(fd, request, mt_com);
+}
+
+ssize_t DEVICE::d_read(int fd, void *buffer, size_t count)
+{
+ return ::read(fd, buffer, count);
+}
+
+ssize_t DEVICE::d_write(int fd, const void *buffer, size_t count)
+{
+ return ::write(fd, buffer, count);
}
/*
* Open the device with the operating system and
* initialize buffer pointers.
*
- * Returns: -1 on error
- * fd on success
+ * Returns: true on success
+ * false on error
*
* Note, for a tape, the VolName is the name we give to the
* volume (not really used here), but for a file, the
* In the case of a file, the full name is the device name
* (archive_name) with the VolName concatenated.
*/
-int
+bool
DEVICE::open(DCR *dcr, int omode)
{
int preserve = 0;
if (is_open()) {
if (openmode == omode) {
- return m_fd;
+ return true;
} else {
d_close(m_fd);
clear_opened();
}
}
if (dcr) {
+ dcr->setVolCatName(dcr->VolumeName);
VolCatInfo = dcr->VolCatInfo; /* structure assign */
}
print_name(), getVolCatName(), mode_to_str(omode));
state &= ~(ST_LABEL|ST_APPEND|ST_READ|ST_EOT|ST_WEOT|ST_EOF);
label_type = B_BACULA_LABEL;
+
if (is_tape() || is_fifo()) {
open_tape_device(dcr, omode);
- } else if (is_dvd()) {
- Dmsg1(100, "call open_dvd_device mode=%s\n", mode_to_str(omode));
- open_dvd_device(dcr, omode);
+ } else if (is_ftp()) {
+ open_device(dcr, omode);
} else {
Dmsg1(100, "call open_file_device mode=%s\n", mode_to_str(omode));
open_file_device(dcr, omode);
}
state |= preserve; /* reset any important state info */
Dmsg2(100, "preserve=0x%x fd=%d\n", preserve, m_fd);
- return m_fd;
+ return m_fd >= 0;
}
void DEVICE::set_mode(int new_mode)
Dmsg1(100, "open dev: tape %d opened\n", m_fd);
}
+void DEVICE::open_device(DCR *dcr, int omode)
+{
+ /* do nothing waiting to split open_file/tape_device */
+}
/*
- * Open a file device
+ * Open a file device.
*/
void DEVICE::open_file_device(DCR *dcr, int omode)
{
Mmsg2(errmsg, _("Could not open: %s, ERR=%s\n"), archive_name.c_str(),
be.bstrerror());
Dmsg1(100, "open failed: %s", errmsg);
-// Jmsg1(NULL, M_WARNING, 0, "%s", errmsg);
- } else {
+ }
+ if (m_fd >= 0) {
dev_errno = 0;
file = 0;
file_addr = 0;
m_fd, part, num_dvd_parts, part_size);
}
-/*
- * Open a DVD device. N.B. at this point, dcr->getVolCatName()
- * (NB:??? I think it's getVolCatName() that is right)
- * has the desired Volume name, but there is NO assurance that
- * any other field of VolCatInfo is correct.
- */
-void DEVICE::open_dvd_device(DCR *dcr, int omode)
-{
- POOL_MEM archive_name(PM_FNAME);
- struct stat filestat;
-
- /*
- * Handle opening of DVD Volume
- */
- Dmsg2(100, "Enter: open_dvd_dev: DVD vol=%s mode=%s\n",
- &dcr->VolCatInfo, mode_to_str(omode));
-
- /*
- * For a DVD we must always pull the state info from dcr->VolCatInfo
- * This is a bit ugly, but is necessary because we need to open/close/re-open
- * the dvd file in order to properly mount/unmount and access the
- * DVD. So we store the state of the DVD as far as is known in the
- * catalog in dcr->VolCatInfo, and thus we refresh the dev->VolCatInfo
- * copy here, when opening.
- */
- VolCatInfo = dcr->VolCatInfo; /* structure assignment */
- Dmsg1(100, "Volume=%s\n", getVolCatName());
-
- if (VolCatInfo.VolCatName[0] == 0) {
- Dmsg1(10, "Could not open DVD device %s. No Volume name given.\n",
- print_name());
- Mmsg(errmsg, _("Could not open DVD device %s. No Volume name given.\n"),
- print_name());
- clear_opened();
- return;
- }
-
- if (part == 0) {
- Dmsg0(100, "Set part=1\n");
- part = 1; /* count from 1 */
- file_size = 0;
- }
- part_size = 0;
- if (num_dvd_parts != VolCatInfo.VolCatParts) {
- num_dvd_parts = VolCatInfo.VolCatParts;
- }
-
- /*
- * If we are not trying to access the last part, set mode to
- * OPEN_READ_ONLY as writing would be an error.
- */
- Dmsg2(100, "open DVD part=%d num_dvd_parts=%d\n", part, num_dvd_parts);
- /* Now find the name of the part that we want to access */
- if (part <= num_dvd_parts) {
- omode = OPEN_READ_ONLY;
- make_mounted_dvd_filename(this, archive_name);
- set_part_spooled(false);
- } else {
- omode = OPEN_READ_WRITE;
- make_spooled_dvd_filename(this, archive_name);
- set_part_spooled(true);
- }
- set_mode(omode);
-
- // Clear any previous blank_dvd status - we will recalculate it here
- blank_dvd = false;
-
- Dmsg3(99, "open_dvd_device: part=%d num_dvd_parts=%d, VolCatInfo.VolCatParts=%d\n",
- part, num_dvd_parts, dcr->VolCatInfo.VolCatParts);
-
- if (mount(1)) {
- Dmsg0(99, "DVD device mounted.\n");
- if (num_dvd_parts == 0 && !truncating) {
- /*
- * If we can mount the device, and we are not truncating the DVD,
- * we usually want to abort. There is one exception, if there is
- * only one 0-sized file on the DVD, with the right volume name,
- * we continue (it's the method used by truncate_dvd to truncate a volume).
- */
- if (!check_can_write_on_non_blank_dvd(dcr)) {
- Mmsg(errmsg, _("The DVD in device %s contains data, please blank it before writing.\n"), print_name());
- Emsg0(M_FATAL, 0, errmsg);
- unmount(1); /* Unmount the device, so the operator can change it. */
- clear_opened();
- return;
- }
- blank_dvd = true;
- } else {
- /*
- * Ensure that we have the correct DVD loaded by looking for part1.
- * We only succeed the open if it exists. Failure to do this could
- * leave us trying to add a part to a different DVD!
- */
- uint32_t oldpart = part;
- struct stat statp;
- POOL_MEM part1_name(PM_FNAME);
- part = 1;
- make_mounted_dvd_filename(this, part1_name);
- part = oldpart;
- if (stat(part1_name.c_str(), &statp) < 0) {
- berrno be;
- Mmsg(errmsg, _("Unable to stat DVD part 1 file %s: ERR=%s\n"),
- part1_name.c_str(), be.bstrerror());
- Emsg0(M_FATAL, 0, errmsg);
- clear_opened();
- return;
- }
- if (!S_ISREG(statp.st_mode)) {
- /* It is not a regular file */
- Mmsg(errmsg, _("DVD part 1 is not a regular file %s.\n"),
- part1_name.c_str());
- Emsg0(M_FATAL, 0, errmsg);
- clear_opened();
- return;
- }
- }
- } else {
- Dmsg0(99, "DVD device mount failed.\n");
- /* We cannot mount the device */
- if (num_dvd_parts == 0) {
- /* Run free space, check there is a media. */
- if (!update_freespace()) {
- Emsg0(M_FATAL, 0, errmsg);
- clear_opened();
- return;
- }
- if (have_media()) {
- Dmsg1(100, "Could not mount device %s, this is not a problem (num_dvd_parts == 0), and have media.\n", print_name());
- } else {
- Mmsg(errmsg, _("There is no valid DVD in device %s.\n"), print_name());
- Emsg0(M_FATAL, 0, errmsg);
- clear_opened();
- return;
- }
- } else {
- Mmsg(errmsg, _("Could not mount DVD device %s.\n"), print_name());
- Emsg0(M_FATAL, 0, errmsg);
- clear_opened();
- return;
- }
- }
-
- Dmsg5(100, "open dev: DVD dev=%s mode=%s part=%d npart=%d volcatnparts=%d\n",
- archive_name.c_str(), mode_to_str(omode),
- part, num_dvd_parts, dcr->VolCatInfo.VolCatParts);
- openmode = omode;
- Dmsg2(100, "openmode=%d %s\n", openmode, mode_to_str(openmode));
-
-
- /* If creating file, give 0640 permissions */
- Dmsg3(100, "mode=%s open(%s, 0x%x, 0640)\n", mode_to_str(omode),
- archive_name.c_str(), mode);
- /* Use system open() */
- if ((m_fd = ::open(archive_name.c_str(), mode, 0640)) < 0) {
- berrno be;
- Mmsg2(errmsg, _("Could not open: %s, ERR=%s\n"), archive_name.c_str(),
- be.bstrerror());
- // Should this be set if we try the create/open below
- dev_errno = EIO; /* Interpreted as no device present by acquire.c:acquire_device_for_read(). */
- Dmsg1(100, "open failed: %s", errmsg);
-
- /* Previous open failed. See if we can recover */
- if ((omode == OPEN_READ_ONLY || omode == OPEN_READ_WRITE) &&
- (part > num_dvd_parts)) {
- /* If the last part (on spool), doesn't exist when accessing,
- * create it. In read/write mode a write will be allowed (higher
- * level software thinks that we are extending a pre-existing
- * media. Reads for READ_ONLY will report immediately an EOF
- * Sometimes it is better to finish with an EOF than with an error. */
- Dmsg1(100, "Creating last part on spool: %s\n", archive_name.c_str());
- omode = CREATE_READ_WRITE;
- set_mode(CREATE_READ_WRITE);
- m_fd = ::open(archive_name.c_str(), mode, 0640);
- set_mode(omode);
- }
- }
- Dmsg1(100, "after open fd=%d\n", m_fd);
- if (is_open()) {
- if (omode == OPEN_READ_WRITE || omode == CREATE_READ_WRITE) {
- set_append();
- }
- /* Get size of file */
- if (fstat(m_fd, &filestat) < 0) {
- berrno be;
- dev_errno = errno;
- Mmsg2(errmsg, _("Could not fstat: %s, ERR=%s\n"), archive_name.c_str(),
- be.bstrerror());
- Dmsg1(100, "open failed: %s", errmsg);
- /* Use system close() */
- d_close(m_fd);
- clear_opened();
- } else {
- part_size = filestat.st_size;
- dev_errno = 0;
- update_pos(dcr); /* update position */
- }
- }
-}
-
-
/*
* Rewind the device.
* Returns: true on success
file_size = 0;
file_addr = 0;
if (m_fd < 0) {
- if (!is_dvd()) { /* In case of major error, the fd is not open on DVD, so we don't want to abort. */
- dev_errno = EBADF;
- Mmsg1(errmsg, _("Bad call to rewind. Device %s not open\n"),
- print_name());
- Emsg0(M_ABORT, 0, errmsg);
- }
return false;
}
if (is_tape()) {
}
break;
}
- } else if (is_file() || is_dvd()) {
+ } else if (is_file()) {
if (lseek(dcr, (boffset_t)0, SEEK_SET) < 0) {
berrno be;
dev_errno = errno;
return false;
}
- /* Find out where we are */
- if (is_file() || is_dvd()) {
+ if (is_file()) {
file = 0;
file_addr = 0;
pos = lseek(dcr, (boffset_t)0, SEEK_CUR);
dev_errno = errno;
Pmsg1(000, _("Seek error: ERR=%s\n"), be.bstrerror());
Mmsg2(errmsg, _("lseek error on %s. ERR=%s.\n"),
- print_name(), be.bstrerror());
+ print_name(), be.bstrerror());
ok = false;
} else {
file_addr = pos;
{
#ifdef MTLOCK
struct mtop mt_com;
+ if (!is_tape()) return;
mt_com.mt_op = MTLOCK;
mt_com.mt_count = 1;
d_ioctl(m_fd, MTIOCTOP, (char *)&mt_com);
{
#ifdef MTUNLOCK
struct mtop mt_com;
+ if (!is_tape()) return;
mt_com.mt_op = MTUNLOCK;
mt_com.mt_count = 1;
d_ioctl(m_fd, MTIOCTOP, (char *)&mt_com);
return fsr(rblock-block_num);
} else {
while (rblock > block_num) {
- if (!read_block_from_dev(dcr, NO_BLOCK_NUMBER_CHECK)) {
+ if (!dcr->read_block_from_dev(NO_BLOCK_NUMBER_CHECK)) {
berrno be;
dev_errno = errno;
Dmsg2(30, "Failed to find requested block on %s: ERR=%s",
}
#endif
-/* Clear Subsystem Exception OSF1 */
+/* Clear Subsystem Exception TRU64 */
#ifdef MTCSE
{
struct mtop mt_com;
void DEVICE::close()
{
Dmsg1(100, "close_dev %s\n", print_name());
- if (has_cap(CAP_OFFLINEUNMOUNT)) {
- offline();
- }
+ offline_or_rewind();
if (!is_open()) {
Dmsg2(100, "device %s already closed vol=%s\n", print_name(),
case B_VTL_DEV:
case B_VTAPE_DEV:
case B_TAPE_DEV:
- unlock_door();
+ unlock_door();
+ /* Fall through wanted */
default:
d_close(m_fd);
break;
boffset_t DEVICE::lseek(DCR *dcr, boffset_t offset, int whence)
{
switch (dev_type) {
- case B_DVD_DEV:
- return lseek_dvd(dcr, offset, whence);
case B_FILE_DEV:
#if defined(HAVE_WIN32)
return ::_lseeki64(m_fd, (__int64)offset, whence);
return -1;
}
-
+/*
+ * Truncate a volume.
+ */
bool DEVICE::truncate(DCR *dcr) /* We need the DCR for DVD-writing */
{
struct stat st;
+ DEVICE *dev = this;
Dmsg1(100, "truncate %s\n", print_name());
switch (dev_type) {
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:
- 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, "/");
+ for ( ;; ) {
+ if (ftruncate(dev->m_fd, 0) != 0) {
+ berrno be;
+ Mmsg2(errmsg, _("Unable to truncate device %s. ERR=%s\n"),
+ print_name(), be.bstrerror());
+ return false;
}
- 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) {
+ /*
+ * 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(dev->m_fd, &st) != 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);
+ 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);
- /* Reset proper owner */
- chown(archive_name.c_str(), st.st_uid, st.st_gid);
+ 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(dev->m_fd);
+ ::unlink(archive_name.c_str());
+
+ /* Recreate the file -- of course, empty */
+ dev->set_mode(CREATE_READ_WRITE);
+ if ((dev->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);
+ }
+ break;
}
-
return true;
}
return false;
}
break;
case B_FILE_DEV:
- case B_DVD_DEV:
if (requires_mount() && device->mount_command) {
return do_file_mount(1, timeout);
}
int status, tries;
berrno be;
- Dsm_check(1);
+ Dsm_check(200);
if (mount) {
icmd = device->mount_command;
} else {
set_mounted(false);
free_pool_memory(results);
Dmsg0(200, "============ mount=0\n");
- Dsm_check(1);
+ Dsm_check(200);
return false;
}
int status, tries, name_max, count;
berrno be;
- Dsm_check(1);
+ Dsm_check(200);
if (mount) {
icmd = device->mount_command;
} else {
set_mounted(false);
free_pool_memory(results);
Dmsg0(200, "============ mount=0\n");
- Dsm_check(1);
+ Dsm_check(200);
return false;
}
*/
void DEVICE::term(void)
{
+ DEVICE *dev = NULL;
Dmsg1(900, "term dev: %s\n", print_name());
close();
if (dev_name) {
if (device) {
device->dev = NULL;
}
- free((char *)this);
+ delete this;
+ if (dev) {
+ dev->term();
+ }
}
/*
projects / bacula / bacula / blobdiff