Copyright (C) 2000-2005 Kern Sibbald
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.
+ modify it under the terms of the GNU General Public License
+ version 2 as amended with additional clauses defined in the
+ file LICENSE in the main source directory.
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.
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ the file LICENSE for additional details.
*/
#define O_NONBLOCK 0
#endif
-/* Functions in dvd.c */
-void get_filename(DEVICE *dev, char *VolName, POOL_MEM& archive_name);
-int mount_dev(DEVICE* dev, int timeout);
-int unmount_dev(DEVICE *dev, int timeout);
-void update_free_space_dev(DEVICE* dev);
-
-
/* Forward referenced functions */
void set_os_device_parameters(DEVICE *dev);
static bool dev_get_os_pos(DEVICE *dev, struct mtget *mt_stat);
-static void open_tape_device(DEVICE *dev, int mode);
-static void open_file_device(DEVICE *dev, int mode);
+static char *mode_to_str(int mode);
/*
* Allocate and initialize the DEVICE structure
*
*/
DEVICE *
-init_dev(JCR *jcr, DEVICE *dev, DEVRES *device)
+init_dev(JCR *jcr, DEVRES *device)
{
struct stat statp;
bool tape, fifo;
int errstat;
DCR *dcr = NULL;
+ DEVICE *dev;
/* Check that device is available */
if (stat(device->device_name, &statp) < 0) {
berrno be;
- if (dev) {
- dev->dev_errno = errno;
- }
Jmsg2(jcr, M_ERROR, 0, _("Unable to stat device %s: ERR=%s\n"),
device->device_name, be.strerror());
return NULL;
} else if (S_ISFIFO(statp.st_mode)) {
fifo = true;
} else if (!(device->cap_bits & CAP_REQMOUNT)) {
- if (dev) {
- dev->dev_errno = ENODEV;
- }
- Jmsg2(jcr, M_ERROR, 0, _("%s is an unknown device type. Must be tape or directory. st_mode=%x\n"),
+ 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"),
device->device_name, statp.st_mode);
return NULL;
}
- if (!dev) {
- dev = (DEVICE *)get_memory(sizeof(DEVICE));
- memset(dev, 0, sizeof(DEVICE));
- dev->state = ST_MALLOC;
- } else {
- memset(dev, 0, sizeof(DEVICE));
- }
+
+ dev = (DEVICE *)get_memory(sizeof(DEVICE));
+ memset(dev, 0, sizeof(DEVICE));
+ dev->state = ST_MALLOC;
/* Copy user supplied device parameters from Resource */
dev->dev_name = get_memory(strlen(device->device_name)+1);
* - Check that the mount point is available
* - Check that (un)mount commands are defined
*/
- if (dev->is_file() && device->cap_bits & CAP_REQMOUNT) {
+ if (dev->is_file() && dev->requires_mount()) {
if (stat(device->mount_point, &statp) < 0) {
berrno be;
dev->dev_errno = errno;
* (archive_name) with the VolName concatenated.
*/
int
-open_dev(DEVICE *dev, char *VolName, int mode)
+DEVICE::open(DCR *dcr, int omode)
{
- if (dev->is_open()) {
- if (dev->openmode == mode) {
- return dev->fd;
+ if (is_open()) {
+ if (openmode == omode) {
+ return fd;
} else {
- close(dev->fd); /* close so correct mode will be used */
+ ::close(fd); /* use system close so correct mode will be used on open */
+ fd = -1;
+ Dmsg0(100, "Close fd for mode change.\n");
}
}
- if (VolName) {
- bstrncpy(dev->VolCatInfo.VolCatName, VolName, sizeof(dev->VolCatInfo.VolCatName));
- } else {
- dev->VolCatInfo.VolCatName[0] = 0;
+ if (dcr) {
+ bstrncpy(VolCatInfo.VolCatName, dcr->VolumeName, sizeof(VolCatInfo.VolCatName));
}
- Dmsg3(29, "open_dev: tape=%d dev_name=%s vol=%s\n", dev->is_tape(),
- dev->dev_name, dev->VolCatInfo.VolCatName);
- dev->state &= ~(ST_LABEL|ST_APPEND|ST_READ|ST_EOT|ST_WEOT|ST_EOF);
- dev->label_type = B_BACULA_LABEL;
- if (dev->is_tape() || dev->is_fifo()) {
- open_tape_device(dev, mode);
+ Dmsg4(29, "open dev: tape=%d dev_name=%s vol=%s mode=%s\n", is_tape(),
+ print_name(), VolCatInfo.VolCatName, 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 {
- open_file_device(dev, mode);
+ Dmsg1(100, "call open_file_device mode=%s\n", mode_to_str(omode));
+ open_file_device(omode);
}
- return dev->fd;
+ return fd;
}
-static void open_tape_device(DEVICE *dev, int mode)
+void DEVICE::set_mode(int new_mode)
{
- int nonblocking = 0;;
- dev->file_size = 0;
+ switch (new_mode) {
+ case CREATE_READ_WRITE:
+ mode = O_CREAT | O_RDWR | O_BINARY;
+ break;
+ case OPEN_READ_WRITE:
+ if (is_dvd() || is_file()) {
+ mode = O_CREAT | O_RDWR | O_BINARY;
+ } else {
+ mode = O_RDWR | O_BINARY;
+ }
+ break;
+ case OPEN_READ_ONLY:
+ mode = O_RDONLY | O_BINARY;
+ break;
+ case OPEN_WRITE_ONLY:
+ mode = O_WRONLY | O_BINARY;
+ break;
+ default:
+ Emsg0(M_ABORT, 0, _("Illegal mode given to open dev.\n"));
+ }
+}
+
+/*
+ * If the flage open_nowait is set, which is the case
+ * when the daemon is initially trying to open the device,
+ * we open it with O_NONBLOCK set and O_RONLY, which will
+ * allow us to open normal Linux tape drives with no tape
+ * in the drive without blocking. We then immediately
+ * set blocking status so that if we read from the device they
+ * will be normal blocking reads.
+ *
+ * If later, we want to write on the device, it will be freed and
+ * reopened, but hopefully there will be a tape in the drive so
+ * we will not block.
+ */
+void DEVICE::open_tape_device(DCR *dcr, int omode)
+{
+ int nonblocking = 0;
+ file_size = 0;
int timeout;
int ioerrcnt = 10;
- Dmsg0(29, "open_dev: device is tape\n");
-
- if (mode == OPEN_READ_WRITE) {
- dev->mode = O_RDWR | O_BINARY;
- } else if (mode == OPEN_READ_ONLY) {
- dev->mode = O_RDONLY | O_BINARY;
- } else if (mode == OPEN_WRITE_ONLY) {
- dev->mode = O_WRONLY | O_BINARY;
- } else {
- Emsg0(M_ABORT, 0, _("Illegal mode given to open_dev.\n"));
+ Dmsg0(29, "open dev: device is tape\n");
+
+ if (is_tape() && is_autochanger()) {
+ get_autochanger_loaded_slot(dcr);
}
- timeout = dev->max_open_wait;
+
+ set_mode(omode);
+ timeout = max_open_wait;
errno = 0;
- if (dev->open_nowait) {
+#ifdef HAVE_LINUX_OS
+ if (open_nowait) {
/* Set wait counters to zero for no wait */
timeout = ioerrcnt = 0;
/* Open drive in non-block mode */
nonblocking = O_NONBLOCK;
}
- if (dev->is_fifo() && timeout) {
+#endif
+ if (is_fifo() && timeout) {
/* Set open timer */
- dev->tid = start_thread_timer(pthread_self(), timeout);
+ tid = start_thread_timer(pthread_self(), timeout);
}
/* If busy retry each second for max_open_wait seconds */
-open_again:
- Dmsg1(500, "Try open %s\n", dev->dev_name);
- while ((dev->fd = open(dev->dev_name, dev->mode, MODE_RW+nonblocking)) < 0) {
+ Dmsg3(100, "Try open %s mode=%s nonblocking=%d\n", print_name(),
+ mode_to_str(omode), nonblocking);
+ /* Use system open() */
+ while ((fd = ::open(dev_name, mode+nonblocking, MODE_RW)) < 0) {
berrno be;
- Dmsg2(500, "Open error errno=%d ERR=%s\n", errno, be.strerror());
+ Dmsg2(100, "Open error errno=%d ERR=%s\n", errno, be.strerror());
if (errno == EINTR || errno == EAGAIN) {
- Dmsg0(500, "Continue open\n");
+ Dmsg0(100, "Continue open\n");
continue;
}
/* Busy wait for specified time (default = 5 mins) */
if (errno == EBUSY && timeout-- > 0) {
- Dmsg2(100, "Device %s busy. ERR=%s\n", dev->print_name(), be.strerror());
+ Dmsg2(100, "Device %s busy. ERR=%s\n", print_name(), be.strerror());
bmicrosleep(1, 0);
continue;
}
/* IO error (no volume) try 10 times every 6 seconds */
if (errno == EIO && ioerrcnt-- > 0) {
bmicrosleep(5, 0);
- Dmsg0(500, "Continue open\n");
+ Dmsg0(100, "Continue open\n");
continue;
}
- dev->dev_errno = errno;
- Mmsg2(dev->errmsg, _("Unable to open device %s: ERR=%s\n"),
- dev->print_name(), be.strerror(dev->dev_errno));
+ dev_errno = errno;
+ Mmsg2(errmsg, _("Unable to open device %s: ERR=%s\n"),
+ print_name(), be.strerror(dev_errno));
/* Stop any open timer we set */
- if (dev->tid) {
- stop_thread_timer(dev->tid);
- dev->tid = 0;
+ if (tid) {
+ stop_thread_timer(tid);
+ tid = 0;
}
- Emsg0(M_FATAL, 0, dev->errmsg);
+ Jmsg0(dcr->jcr, M_FATAL, 0, errmsg);
break;
}
- if (dev->fd >= 0) {
- /* If opened in non-block mode, close it an open it normally */
- if (nonblocking) {
- nonblocking = 0;
- close(dev->fd);
- goto open_again;
- }
- dev->openmode = mode; /* save open mode */
- dev->dev_errno = 0;
- dev->state |= ST_OPENED;
- dev->use_count = 1;
- update_pos_dev(dev); /* update position */
- set_os_device_parameters(dev); /* do system dependent stuff */
- Dmsg0(500, "Open OK\n");
+
+ if (nonblocking) {
+ set_blocking();
+ }
+
+ if (fd >= 0) {
+ openmode = omode; /* save open mode */
+ Dmsg2(100, "openmode=%d %s\n", openmode, mode_to_str(openmode));
+ dev_errno = 0;
+ set_opened();
+ use_count = 1;
+ update_pos_dev(this); /* update position */
+ set_os_device_parameters(this); /* do system dependent stuff */
}
+
/* Stop any open() timer we started */
- if (dev->tid) {
- stop_thread_timer(dev->tid);
- dev->tid = 0;
+ if (tid) {
+ stop_thread_timer(tid);
+ tid = 0;
+ }
+ Dmsg1(29, "open dev: tape %d opened\n", fd);
+}
+
+void DEVICE::set_blocking()
+{
+ int oflags;
+ /* Try to reset blocking */
+ if ((oflags = fcntl(fd, F_GETFL, 0)) < 0 ||
+ fcntl(fd, F_SETFL, oflags & ~O_NONBLOCK) < 0) {
+ berrno be;
+ ::close(fd); /* use system close() */
+ fd = ::open(dev_name, mode, MODE_RW);
+ Dmsg2(100, "fcntl error. ERR=%s. Close-reopen fd=%d\n", be.strerror(), fd);
}
- Dmsg1(29, "open_dev: tape %d opened\n", dev->fd);
}
/*
- * Open a file or DVD device
+ * Open a file device
*/
-static void open_file_device(DEVICE *dev, int mode)
+void DEVICE::open_file_device(int omode)
{
POOL_MEM archive_name(PM_FNAME);
- struct stat filestat;
+
/*
* Handle opening of File Archive (not a tape)
*/
- if (dev->part == 0) {
- dev->file_size = 0;
+ Dmsg3(29, "Enter: open_file_dev: %s dev=%s mode=%s\n", is_dvd()?"DVD":"disk",
+ archive_name.c_str(), mode_to_str(omode));
+
+ if (VolCatInfo.VolCatName[0] == 0) {
+ Mmsg(errmsg, _("Could not open file device %s. No Volume name given.\n"),
+ print_name());
+ fd = -1;
+ return;
}
- dev->part_size = 0;
-
- /* if num_parts has not been set, but VolCatInfo is available, copy
- * it from the VolCatInfo.VolCatParts */
- if (dev->num_parts < dev->VolCatInfo.VolCatParts) {
- dev->num_parts = dev->VolCatInfo.VolCatParts;
+
+ pm_strcpy(archive_name, dev_name);
+ if (archive_name.c_str()[strlen(archive_name.c_str())-1] != '/') {
+ pm_strcat(archive_name, "/");
}
+ pm_strcat(archive_name, VolCatInfo.VolCatName);
+
+ Dmsg3(29, "open dev: %s dev=%s mode=%s\n", is_dvd()?"DVD":"disk",
+ archive_name.c_str(), mode_to_str(omode));
+ openmode = omode;
+ Dmsg2(100, "openmode=%d %s\n", openmode, mode_to_str(openmode));
- if (dev->VolCatInfo.VolCatName[0] == 0) {
- Mmsg(dev->errmsg, _("Could not open file device %s. No Volume name given.\n"),
- dev->print_name());
- dev->fd = -1;
+ set_mode(omode);
+ /* If creating file, give 0640 permissions */
+ Dmsg3(29, "mode=%s open(%s, 0x%x, 0640)\n", mode_to_str(omode),
+ archive_name.c_str(), mode);
+ /* Use system open() */
+ if ((fd = ::open(archive_name.c_str(), mode, 0640)) < 0) {
+ berrno be;
+ dev_errno = errno;
+ Mmsg2(errmsg, _("Could not open: %s, ERR=%s\n"), archive_name.c_str(),
+ be.strerror());
+ Dmsg1(29, "open failed: %s", errmsg);
+ Emsg0(M_FATAL, 0, errmsg);
+ } else {
+ dev_errno = 0;
+ set_opened();
+ use_count = 1;
+ update_pos_dev(this); /* update position */
+ }
+ Dmsg5(29, "open dev: %s fd=%d opened, part=%d/%d, part_size=%u\n",
+ is_dvd()?"DVD":"disk", fd, part, num_parts,
+ part_size);
+}
+
+/*
+ * Open a DVD device. N.B. at this point, dcr->VolCatInfo.VolCatName (NB:??? I think it's VolCatInfo.VolCatName 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
+ */
+ Dmsg3(29, "Enter: open_dvd_dev: %s dev=%s mode=%s\n", is_dvd()?"DVD":"disk",
+ archive_name.c_str(), mode_to_str(omode));
+
+ if (VolCatInfo.VolCatName[0] == 0) {
+ Dmsg1(10, "Could not open file device %s. No Volume name given.\n",
+ print_name());
+ Mmsg(errmsg, _("Could not open file device %s. No Volume name given.\n"),
+ print_name());
+ fd = -1;
return;
}
- get_filename(dev, dev->VolCatInfo.VolCatName, archive_name);
- if (mount_dev(dev, 1) < 0) {
- Mmsg(dev->errmsg, _("Could not mount device %s.\n"),
- dev->print_name());
- Emsg0(M_FATAL, 0, dev->errmsg);
- dev->fd = -1;
- return;
+ if (part == 0) {
+ file_size = 0;
}
-
- Dmsg3(29, "open_dev: device is %s (mode:%d)\n", dev->is_dvd()?"DVD":"disk",
- archive_name.c_str(), mode);
- dev->openmode = mode;
+ part_size = 0;
+
+ Dmsg2(99, "open_dvd_device: num_parts=%d, VolCatInfo.VolCatParts=%d\n",
+ dcr->dev->num_parts, dcr->VolCatInfo.VolCatParts);
+ if (dcr->dev->num_parts < dcr->VolCatInfo.VolCatParts) {
+ Dmsg2(99, "open_dvd_device: num_parts updated to %d (was %d)\n",
+ dcr->VolCatInfo.VolCatParts, dcr->dev->num_parts);
+ dcr->dev->num_parts = dcr->VolCatInfo.VolCatParts;
+ }
+
+ if (mount_dev(this, 1)) {
+ if ((num_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_dev to truncate a volume). */
+ if (!check_can_write_on_non_blank_dvd(dcr)) {
+ Mmsg(errmsg, _("The media in the device %s is not empty, please blank it before writing anything to it.\n"), print_name());
+ Emsg0(M_FATAL, 0, errmsg);
+ unmount_dev(this, 1); /* Unmount the device, so the operator can change it. */
+ fd = -1;
+ return;
+ }
+ }
+ }
+ else {
+ /* We cannot mount the device */
+ if (num_parts == 0) {
+ /* Run free space, check there is a media. */
+ update_free_space_dev(this);
+ if (have_media()) {
+ Dmsg1(29, "Could not mount device %s, this is not a problem (num_parts == 0), and have media.\n", print_name());
+ }
+ else {
+ Mmsg(errmsg, _("There is no valid media in the device %s.\n"), print_name());
+ Emsg0(M_FATAL, 0, errmsg);
+ fd = -1;
+ return;
+ }
+ }
+ else {
+ Mmsg(errmsg, _("Could not mount device %s.\n"), print_name());
+ Emsg0(M_FATAL, 0, errmsg);
+ fd = -1;
+ return;
+ }
+ }
+
+ Dmsg6(29, "open dev: %s dev=%s mode=%s part=%d npart=%d volcatnparts=%d\n",
+ is_dvd()?"DVD":"disk", archive_name.c_str(), mode_to_str(omode),
+ part, num_parts, dcr->VolCatInfo.VolCatParts);
+ openmode = omode;
+ Dmsg2(100, "openmode=%d %s\n", openmode, mode_to_str(openmode));
/*
* If we are not trying to access the last part, set mode to
* OPEN_READ_ONLY as writing would be an error.
*/
- if (dev->part < dev->num_parts) {
- mode = OPEN_READ_ONLY;
+ if (part < num_parts) {
+ omode = OPEN_READ_ONLY;
+ make_mounted_dvd_filename(this, archive_name);
}
-
- if (mode == OPEN_READ_WRITE) {
- dev->mode = O_CREAT | O_RDWR | O_BINARY;
- } else if (mode == OPEN_READ_ONLY) {
- dev->mode = O_RDONLY | O_BINARY;
- } else if (mode == OPEN_WRITE_ONLY) {
- dev->mode = O_WRONLY | O_BINARY;
- } else {
- Emsg0(M_ABORT, 0, _("Illegal mode given to open_dev.\n"));
+ else {
+ make_spooled_dvd_filename(this, archive_name);
}
+ set_mode(omode);
+
/* If creating file, give 0640 permissions */
- Dmsg2(29, "open(%s, 0x%x, 0640)\n", archive_name.c_str(), dev->mode);
- if ((dev->fd = open(archive_name.c_str(), dev->mode, 0640)) < 0) {
+ Dmsg3(29, "mode=%s open(%s, 0x%x, 0640)\n", mode_to_str(omode),
+ archive_name.c_str(), mode);
+ /* Use system open() */
+ if ((fd = ::open(archive_name.c_str(), mode, 0640)) < 0) {
berrno be;
- dev->dev_errno = errno;
- Mmsg2(dev->errmsg, _("Could not open: %s, ERR=%s\n"), archive_name.c_str(),
+ Mmsg2(errmsg, _("Could not open: %s, ERR=%s\n"), archive_name.c_str(),
be.strerror());
- Emsg0(M_FATAL, 0, dev->errmsg);
- } else {
- dev->dev_errno = 0;
- dev->state |= ST_OPENED;
- dev->use_count = 1;
- update_pos_dev(dev); /* update position */
- if (fstat(dev->fd, &filestat) < 0) {
+ dev_errno = EIO; /* Interpreted as no device present by acquire.c:acquire_device_for_read(). */
+ Dmsg1(29, "open failed: %s", errmsg);
+
+ if ((omode == OPEN_READ_ONLY) && (part == num_parts)) {
+ /* If the last part (on spool), doesn't exists when reading, create it and read from it
+ * (it will report immediately an EOF):
+ * Sometimes it is better to finish with an EOF than with an error. */
+ set_mode(OPEN_READ_WRITE);
+ fd = ::open(archive_name.c_str(), mode, 0640);
+ set_mode(OPEN_READ_ONLY);
+ }
+
+ /* We don't need it. Only the last part is on spool */
+ /*if (omode == OPEN_READ_ONLY) {
+ make_spooled_dvd_filename(this, archive_name);
+ fd = ::open(archive_name.c_str(), mode, 0640); // try on spool
+ }*/
+ }
+ Dmsg1(100, "after open fd=%d\n", fd);
+ if (fd >= 0) {
+ /* Get size of file */
+ if (fstat(fd, &filestat) < 0) {
berrno be;
- dev->dev_errno = errno;
- Mmsg2(dev->errmsg, _("Could not fstat: %s, ERR=%s\n"), archive_name.c_str(),
+ dev_errno = errno;
+ Mmsg2(errmsg, _("Could not fstat: %s, ERR=%s\n"), archive_name.c_str(),
be.strerror());
- Emsg0(M_FATAL, 0, dev->errmsg);
+ Dmsg1(29, "open failed: %s", errmsg);
+ /* Use system close() */
+ ::close(fd);
+ fd = -1;
} else {
- dev->part_size = filestat.st_size;
+ part_size = filestat.st_size;
+ dev_errno = 0;
+ set_opened();
+ use_count = 1;
+ update_pos_dev(this); /* update position */
+
+ /* NB: It seems this code is wrong... part number is incremented in open_next_part, not here */
+
+ /* Check if just created Volume part */
+/* if (omode == OPEN_READ_WRITE && (part == 0 || part_size == 0)) {
+ part++;
+ num_parts = part;
+ VolCatInfo.VolCatParts = num_parts;
+ } else {
+ if (part == 0) { // we must have opened the first part
+ part++;
+ }
+ }*/
}
}
- Dmsg5(29, "open_dev: %s fd=%d opened, part=%d/%d, part_size=%u\n",
- dev->is_dvd()?"DVD":"disk", dev->fd, dev->part, dev->num_parts,
- dev->part_size);
- if (dev->is_dvd() && (dev->mode != OPEN_READ_ONLY) &&
- (dev->free_space_errno == 0 || dev->num_parts == dev->part)) {
- update_free_space_dev(dev);
- }
}
+
#ifdef debug_tracing
#undef rewind_dev
bool _rewind_dev(char *file, int line, DEVICE *dev)
{
- Dmsg2(100, "rewind_dev called from %s:%d\n", file, line);
+ Dmsg3(100, "rewind_dev fd=%d called from %s:%d\n", dev->fd, file, line);
return rewind_dev(dev);
}
#endif
struct mtop mt_com;
unsigned int i;
- Dmsg1(29, "rewind_dev %s\n", dev->print_name());
+ Dmsg2(29, "rewind_dev fd=%d %s\n", dev->fd, dev->print_name());
if (dev->fd < 0) {
- dev->dev_errno = EBADF;
- Mmsg1(dev->errmsg, _("Bad call to rewind_dev. Device %s not open\n"),
+ if (!dev->is_dvd()) { /* In case of major error, the fd is not open on DVD, so we don't want to abort. */
+ dev->dev_errno = EBADF;
+ Mmsg1(dev->errmsg, _("Bad call to rewind_dev. Device %s not open\n"),
dev->print_name());
- Emsg0(M_ABORT, 0, dev->errmsg);
+ Emsg0(M_ABORT, 0, dev->errmsg);
+ }
return false;
}
dev->state &= ~(ST_EOT|ST_EOF|ST_WEOT); /* remove EOF/EOT flags */
V(mutex);
}
+const char *DEVICE::print_blocked() const
+{
+ switch (dev_blocked) {
+ case BST_NOT_BLOCKED:
+ return "BST_NOT_BLOCKED";
+ case BST_UNMOUNTED:
+ return "BST_UNMOUNTED";
+ case BST_WAITING_FOR_SYSOP:
+ return "BST_WAITING_FOR_SYSOP";
+ case BST_DOING_ACQUIRE:
+ return "BST_DOING_ACQUIRE";
+ case BST_WRITING_LABEL:
+ return "BST_WRITING_LABEL";
+ case BST_UNMOUNTED_WAITING_FOR_SYSOP:
+ return "BST_UNMOUNTED_WAITING_FOR_SYSOP";
+ case BST_MOUNT:
+ return "BST_MOUNT";
+ default:
+ return _("unknown blocked code");
+ }
+}
+
/*
* Called to indicate that we have just read an
* EOF from the device.
*/
-void DEVICE::set_eof()
+void DEVICE::set_ateof()
{
- state |= ST_EOF;
- file++;
+ set_eof();
+ if (is_tape()) {
+ file++;
+ }
file_addr = 0;
file_size = 0;
block_num = 0;
* Called to indicate we are now at the end of the tape, and
* writing is not possible.
*/
-void DEVICE::set_eot()
+void DEVICE::set_ateot()
{
+ /* Make tape effectively read-only */
state |= (ST_EOF|ST_EOT|ST_WEOT);
- state &= ~ST_APPEND; /* make tape read-only */
+ clear_append();
}
/*
}
#if defined (__digital__) && defined (__unix__)
- return fsf_dev(dev, dev->VolCatInfo.VolCatFiles);
+ return dev->fsf(dev->VolCatInfo.VolCatFiles);
#endif
Dmsg0(29, "eod_dev\n");
return false;
}
Dmsg2(100, "EOD file=%d block=%d\n", mt_stat.mt_fileno, mt_stat.mt_blkno);
- dev->set_eof();
+ dev->set_ateof();
dev->file = mt_stat.mt_fileno;
} else {
#else
int file_num;
for (file_num=dev->file; !dev->at_eot(); file_num++) {
Dmsg0(200, "eod_dev: doing fsf 1\n");
- if (!fsf_dev(dev, 1)) {
- Dmsg0(200, "fsf_dev error.\n");
+ if (!dev->fsf(1)) {
+ Dmsg0(200, "fsf error.\n");
return false;
}
/*
- * Avoid infinite loop. ***FIXME*** possibly add code
- * to set EOD or to turn off CAP_FASTFSF if on.
+ * Avoid infinite loop by ensuring we advance.
*/
if (file_num == (int)dev->file) {
struct mtget mt_stat;
- Dmsg1(100, "fsf_dev did not advance from file %d\n", file_num);
+ Dmsg1(100, "fsf did not advance from file %d\n", file_num);
+ dev->set_ateof();
if (dev_get_os_pos(dev, &mt_stat)) {
Dmsg2(100, "Adjust file from %d to %d\n", dev->file , mt_stat.mt_fileno);
- dev->set_eof();
dev->file = mt_stat.mt_fileno;
- }
- return false;
+ }
+ break;
}
}
}
}
/*
- * Set the position of the device -- only for files
+ * Set the position of the device -- only for files and DVD
* For other devices, there is no generic way to do it.
* Returns: true on succes
* false on error
if (pos < 0) {
berrno be;
dev->dev_errno = errno;
- Pmsg1(000, "Seek error: ERR=%s\n", be.strerror());
+ Pmsg1(000, _("Seek error: ERR=%s\n"), be.strerror());
Mmsg2(dev->errmsg, _("lseek_dev error on %s. ERR=%s.\n"),
dev->print_name(), be.strerror());
ok = false;
}
if (dev->is_tape()) {
stat |= BMT_TAPE;
- Pmsg0(-20," Bacula status:");
- Pmsg2(-20," file=%d block=%d\n", dev->file, dev->block_num);
+ Pmsg0(-20,_(" Bacula status:"));
+ Pmsg2(-20,_(" file=%d block=%d\n"), dev->file, dev->block_num);
if (ioctl(dev->fd, MTIOCGET, (char *)&mt_stat) < 0) {
berrno be;
dev->dev_errno = errno;
dev->print_name(), be.strerror());
return 0;
}
- Pmsg0(-20, " Device status:");
+ Pmsg0(-20, _(" Device status:"));
#if defined(HAVE_LINUX_OS)
if (GMT_EOF(mt_stat.mt_gstat)) {
}
#endif /* !SunOS && !OSF */
if (dev_cap(dev, CAP_MTIOCGET)) {
- Pmsg2(-20, " file=%d block=%d\n", mt_stat.mt_fileno, mt_stat.mt_blkno);
+ Pmsg2(-20, _(" file=%d block=%d\n"), mt_stat.mt_fileno, mt_stat.mt_blkno);
} else {
- Pmsg2(-20, " file=%d block=%d\n", -1, -1);
+ Pmsg2(-20, _(" file=%d block=%d\n"), -1, -1);
}
} else {
stat |= BMT_ONLINE | BMT_BOT;
{
struct mtop mt_com;
- if (dev->fd < 0) {
- dev->dev_errno = EBADF;
- Mmsg0(dev->errmsg, _("Bad call to offline_dev. Device not open\n"));
- Emsg0(M_FATAL, 0, dev->errmsg);
- return false;
- }
- if (!(dev->is_tape())) {
- return true;
+ if (!dev || dev->fd < 0 || !dev->is_tape()) {
+ return true; /* device not open */
}
dev->state &= ~(ST_APPEND|ST_READ|ST_EOT|ST_EOF|ST_WEOT); /* remove EOF/EOT flags */
* Returns: true on success
* false on failure
*/
-bool
-fsf_dev(DEVICE *dev, int num)
+bool DEVICE::fsf(int num)
{
struct mtget mt_stat;
struct mtop mt_com;
int stat = 0;
- if (dev->fd < 0) {
- dev->dev_errno = EBADF;
- Mmsg0(dev->errmsg, _("Bad call to fsf_dev. Device not open\n"));
- Emsg0(M_FATAL, 0, dev->errmsg);
+ if (fd < 0) {
+ dev_errno = EBADF;
+ Mmsg0(errmsg, _("Bad call to fsf_dev. Device not open\n"));
+ Emsg0(M_FATAL, 0, errmsg);
return false;
}
- if (!dev->is_tape()) {
+ if (!is_tape()) {
return true;
}
- if (dev->state & ST_EOT) {
- dev->dev_errno = 0;
- Mmsg1(dev->errmsg, _("Device %s at End of Tape.\n"), dev->print_name());
+ if (at_eot()) {
+ dev_errno = 0;
+ Mmsg1(errmsg, _("Device %s at End of Tape.\n"), print_name());
return false;
}
- if (dev->state & ST_EOF) {
+ if (at_eof()) {
Dmsg0(200, "ST_EOF set on entry to FSF\n");
}
- Dmsg0(100, "fsf_dev\n");
- dev->block_num = 0;
+ Dmsg0(100, "fsf\n");
+ block_num = 0;
/*
* If Fast forward space file is set, then we
* use MTFSF to forward space and MTIOCGET
* the SCSI driver will ensure that we do not
* forward space past the end of the medium.
*/
- if (dev_cap(dev, CAP_FSF) && dev_cap(dev, CAP_MTIOCGET) && dev_cap(dev, CAP_FASTFSF)) {
+ if (dev_cap(this, CAP_FSF) && dev_cap(this, CAP_MTIOCGET) && dev_cap(this, CAP_FASTFSF)) {
mt_com.mt_op = MTFSF;
mt_com.mt_count = num;
- stat = ioctl(dev->fd, MTIOCTOP, (char *)&mt_com);
- if (stat < 0 || !dev_get_os_pos(dev, &mt_stat)) {
+ stat = ioctl(fd, MTIOCTOP, (char *)&mt_com);
+ if (stat < 0 || !dev_get_os_pos(this, &mt_stat)) {
berrno be;
- dev->state |= ST_EOT;
+ set_eot();
Dmsg0(200, "Set ST_EOT\n");
- clrerror_dev(dev, MTFSF);
- Mmsg2(dev->errmsg, _("ioctl MTFSF error on %s. ERR=%s.\n"),
- dev->print_name(), be.strerror());
- Dmsg1(200, "%s", dev->errmsg);
+ clrerror_dev(this, MTFSF);
+ Mmsg2(errmsg, _("ioctl MTFSF error on %s. ERR=%s.\n"),
+ print_name(), be.strerror());
+ Dmsg1(200, "%s", errmsg);
return false;
}
Dmsg2(200, "fsf file=%d block=%d\n", mt_stat.mt_fileno, mt_stat.mt_blkno);
- dev->set_eof();
- dev->file = mt_stat.mt_fileno;
+ set_ateof();
+ file = mt_stat.mt_fileno;
return true;
/*
* is the only way we can be sure that we don't read
* two consecutive EOF marks, which means End of Data.
*/
- } else if (dev_cap(dev, CAP_FSF)) {
+ } else if (dev_cap(this, CAP_FSF)) {
POOLMEM *rbuf;
int rbuf_len;
Dmsg0(200, "FSF has cap_fsf\n");
- if (dev->max_block_size == 0) {
+ if (max_block_size == 0) {
rbuf_len = DEFAULT_BLOCK_SIZE;
} else {
- rbuf_len = dev->max_block_size;
+ rbuf_len = max_block_size;
}
rbuf = get_memory(rbuf_len);
mt_com.mt_op = MTFSF;
mt_com.mt_count = 1;
- while (num-- && !(dev->state & ST_EOT)) {
+ while (num-- && !at_eot()) {
Dmsg0(100, "Doing read before fsf\n");
- if ((stat = read(dev->fd, (char *)rbuf, rbuf_len)) < 0) {
+ if ((stat = read(fd, (char *)rbuf, rbuf_len)) < 0) {
if (errno == ENOMEM) { /* tape record exceeds buf len */
stat = rbuf_len; /* This is OK */
+ /*
+ * On IBM drives, they return ENOSPC at EOM
+ * instead of EOF status
+ */
+ } else if (at_eof() && errno == ENOSPC) {
+ stat = 0;
} else {
berrno be;
- dev->state |= ST_EOT;
- clrerror_dev(dev, -1);
- Dmsg2(100, "Set ST_EOT read errno=%d. ERR=%s\n", dev->dev_errno,
+ set_eot();
+ clrerror_dev(this, -1);
+ Dmsg2(100, "Set ST_EOT read errno=%d. ERR=%s\n", dev_errno,
be.strerror());
- Mmsg2(dev->errmsg, _("read error on %s. ERR=%s.\n"),
- dev->print_name(), be.strerror());
- Dmsg1(100, "%s", dev->errmsg);
+ Mmsg2(errmsg, _("read error on %s. ERR=%s.\n"),
+ print_name(), be.strerror());
+ Dmsg1(100, "%s", errmsg);
break;
}
}
if (stat == 0) { /* EOF */
- update_pos_dev(dev);
- Dmsg1(100, "End of File mark from read. File=%d\n", dev->file+1);
+ update_pos_dev(this);
+ Dmsg1(100, "End of File mark from read. File=%d\n", file+1);
/* Two reads of zero means end of tape */
- if (dev->state & ST_EOF) {
- dev->state |= ST_EOT;
+ if (at_eof()) {
+ set_eot();
Dmsg0(100, "Set ST_EOT\n");
break;
} else {
- dev->set_eof();
+ set_ateof();
continue;
}
} else { /* Got data */
- dev->state &= ~(ST_EOF|ST_EOT);
+ clear_eot();
+ clear_eof();
}
Dmsg0(100, "Doing MTFSF\n");
- stat = ioctl(dev->fd, MTIOCTOP, (char *)&mt_com);
+ stat = ioctl(fd, MTIOCTOP, (char *)&mt_com);
if (stat < 0) { /* error => EOT */
berrno be;
- dev->state |= ST_EOT;
+ set_eot();
Dmsg0(100, "Set ST_EOT\n");
- clrerror_dev(dev, MTFSF);
- Mmsg2(dev->errmsg, _("ioctl MTFSF error on %s. ERR=%s.\n"),
- dev->print_name(), be.strerror());
+ clrerror_dev(this, MTFSF);
+ Mmsg2(errmsg, _("ioctl MTFSF error on %s. ERR=%s.\n"),
+ print_name(), be.strerror());
Dmsg0(100, "Got < 0 for MTFSF\n");
- Dmsg1(100, "%s", dev->errmsg);
+ Dmsg1(100, "%s", errmsg);
} else {
- dev->set_eof();
+ set_ateof();
}
}
free_memory(rbuf);
*/
} else {
Dmsg0(200, "Doing FSR for FSF\n");
- while (num-- && !(dev->state & ST_EOT)) {
- dev->fsr(INT32_MAX); /* returns -1 on EOF or EOT */
+ while (num-- && !at_eot()) {
+ fsr(INT32_MAX); /* returns -1 on EOF or EOT */
}
- if (dev->state & ST_EOT) {
- dev->dev_errno = 0;
- Mmsg1(dev->errmsg, _("Device %s at End of Tape.\n"), dev->print_name());
+ if (at_eot()) {
+ dev_errno = 0;
+ Mmsg1(errmsg, _("Device %s at End of Tape.\n"), print_name());
stat = -1;
} else {
stat = 0;
}
}
- update_pos_dev(dev);
+ update_pos_dev(this);
Dmsg1(200, "Return %d from FSF\n", stat);
- if (dev->state & ST_EOF)
+ if (at_eof())
Dmsg0(200, "ST_EOF set on exit FSF\n");
- if (dev->state & ST_EOT)
+ if (at_eot())
Dmsg0(200, "ST_EOT set on exit FSF\n");
- Dmsg1(200, "Return from FSF file=%d\n", dev->file);
+ Dmsg1(200, "Return from FSF file=%d\n", file);
return stat == 0;
}
block_num = mt_stat.mt_blkno;
} else {
if (at_eof()) {
- state |= ST_EOT;
+ set_eot();
} else {
- set_eof();
+ set_ateof();
}
}
Mmsg3(errmsg, _("ioctl MTFSR %d error on %s. ERR=%s.\n"),
}
if (!dev->is_tape()) {
- off_t pos = (((off_t)file)<<32) + block;
+ off_t pos = (((off_t)file)<<32) + (off_t)block;
Dmsg1(100, "===== lseek_dev to %d\n", (int)pos);
if (lseek_dev(dev, pos, SEEK_SET) == (off_t)-1) {
berrno be;
}
if (file > dev->file) {
Dmsg1(100, "fsf %d\n", file-dev->file);
- if (!fsf_dev(dev, file-dev->file)) {
+ if (!dev->fsf(file-dev->file)) {
Dmsg1(100, "fsf failed! ERR=%s\n", strerror_dev(dev));
return false;
}
Dmsg0(100, "bsf_dev 1\n");
bsf_dev(dev, 1);
Dmsg0(100, "fsf_dev 1\n");
- fsf_dev(dev, 1);
+ dev->fsf(1);
Dmsg2(100, "wanted_blk=%d at_blk=%d\n", block, dev->block_num);
}
if (dev_cap(dev, CAP_POSITIONBLOCKS) && block > dev->block_num) {
if (errno == ENOTTY || errno == ENOSYS) { /* Function not implemented */
switch (func) {
case -1:
- Emsg0(M_ABORT, 0, "Got ENOTTY on read/write!\n");
+ Emsg0(M_ABORT, 0, _("Got ENOTTY on read/write!\n"));
break;
case MTWEOF:
msg = "WTWEOF";
break;
#endif
default:
- bsnprintf(buf, sizeof(buf), "unknown func code %d", func);
+ bsnprintf(buf, sizeof(buf), _("unknown func code %d"), func);
msg = buf;
break;
}
close(dev->fd);
}
- if (unmount_dev(dev, 1) < 0) {
+ if (!unmount_dev(dev, 1)) {
Dmsg1(0, "Cannot unmount device %s.\n", dev->print_name());
}
/* Remove the last part file if it is empty */
- if (dev->can_append() && (dev->num_parts > 0)) {
+ if (dev->num_parts > 0) {
struct stat statp;
POOL_MEM archive_name(PM_FNAME);
dev->part = dev->num_parts;
- get_filename(dev, dev->VolCatInfo.VolCatName, archive_name);
+ Dmsg1(100, "Call make_dvd_filename. Vol=%s\n", dev->VolCatInfo.VolCatName);
+ make_spooled_dvd_filename(dev, archive_name);
/* Check that the part file is empty */
if ((stat(archive_name.c_str(), &statp) == 0) && (statp.st_size == 0)) {
+ Dmsg1(100, "unlink(%s)\n", archive_name.c_str());
unlink(archive_name.c_str());
}
}
dev->file_size = 0;
dev->file_addr = 0;
dev->part = 0;
+ dev->num_parts = 0;
dev->part_size = 0;
dev->part_start = 0;
dev->EndFile = dev->EndBlock = 0;
memset(&dev->VolCatInfo, 0, sizeof(dev->VolCatInfo));
+ free_volume(dev);
memset(&dev->VolHdr, 0, sizeof(dev->VolHdr));
if (dev->tid) {
stop_thread_timer(dev->tid);
}
-bool truncate_dev(DEVICE *dev)
+bool truncate_dev(DCR *dcr) /* We need the DCR for DVD-writing */
{
+ DEVICE *dev = dcr->dev;
+
Dmsg1(100, "truncate_dev %s\n", dev->print_name());
if (dev->is_tape()) {
return true; /* we don't really truncate tapes */
/* maybe we should rewind and write and eof ???? */
}
- /* If there is more than one part, open the first one, and then truncate it. */
- if (dev->num_parts > 0) {
- dev->num_parts = 0;
- dev->VolCatInfo.VolCatParts = 0;
- if (open_first_part(dev) < 0) {
- berrno be;
- Mmsg1(dev->errmsg, "Unable to truncate device, because I'm unable to open the first part. ERR=%s\n", be.strerror());
- }
+ if (dev->is_dvd()) {
+ return truncate_dvd_dev(dcr);
}
if (ftruncate(dev->fd, 0) != 0) {
berrno be;
- Mmsg1(dev->errmsg, _("Unable to truncate device. ERR=%s\n"), be.strerror());
+ Mmsg2(dev->errmsg, _("Unable to truncate device %s. ERR=%s\n"),
+ dev->print_name(), be.strerror());
return false;
}
return true;
Emsg0(M_FATAL, 0, dev->errmsg);
return;
}
+ Dmsg1(29, "term_dev: %s\n", dev->print_name());
do_close(dev);
- Dmsg0(29, "term_dev\n");
if (dev->dev_name) {
free_memory(dev->dev_name);
dev->dev_name = NULL;
ioctl(dev->fd, MTIOCGET, (char *)mt_stat) == 0 &&
mt_stat->mt_fileno >= 0;
}
+
+static char *modes[] = {
+ "CREATE_READ_WRITE",
+ "OPEN_READ_WRITE",
+ "OPEN_READ_ONLY",
+ "OPEN_WRITE_ONLY"
+};
+
+
+static char *mode_to_str(int mode)
+{
+ return modes[mode-1];
+}
projects / bacula / bacula / blobdiff