*
* dev.c -- low level operations on device (storage device)
*
- * Kern Sibbald, MM
+ * Kern Sibbald, MM
*
* NOTE!!!! None of these routines are reentrant. You must
- * use lock_device() and unlock_device() 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
- * to carry out operations without worrying about who
- * set what lock (i.e. race conditions).
+ * use lock_device() and unlock_device() 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
+ * to carry out operations without worrying about who
+ * set what lock (i.e. race conditions).
*
* Note, this is the device dependent code, and my have
- * to be modified for each system, but is meant to
+ * to be modified for each system, but is meant to
* be as "generic" as possible.
- *
+ *
* The purpose of this code is to develop a SIMPLE Storage
* daemon. More complicated coding (double buffering, writer
* thread, ...) is left for a later version.
* Version $Id$
*/
/*
- Copyright (C) 2000-2004 Kern Sibbald and John Walker
+ 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.
*/
* be able to read and write the tape (he sort of tunnels through
* the locking mechanism -- see lock_dev() for details).
*
- * Now presumably somewhere higher in the chain of command
- * (device.c), someone will notice the EOT condition and
- * get a new tape up, get the tape label read, and mark
- * the label for rewriting. Then this higher level routine
+ * Now presumably somewhere higher in the chain of command
+ * (device.c), someone will notice the EOT condition and
+ * get a new tape up, get the tape label read, and mark
+ * the label for rewriting. Then this higher level routine
* will write the unwritten buffer to the new volume.
* Finally, he will release
* any blocked threads by doing a broadcast on the condition
- * variable. At that point, we should be totally back in
+ * variable. At that point, we should be totally back in
* business with no lost data.
*/
#include "bacula.h"
#include "stored.h"
+#ifndef O_NONBLOCK
+#define O_NONBLOCK 0
+#endif
+
/* Forward referenced functions */
+void set_os_device_parameters(DEVICE *dev);
+static bool dev_get_os_pos(DEVICE *dev, struct mtget *mt_stat);
+static char *mode_to_str(int mode);
-/*
+/*
* Allocate and initialize the DEVICE structure
* Note, if dev is non-NULL, it is already allocated,
* thus we neither allocate it nor free it. This allows
*
*/
DEVICE *
-init_dev(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) {
- if (dev) {
- dev->dev_errno = errno;
- }
- Emsg2(M_FATAL, 0, "Unable to stat device %s : %s\n", device->device_name,
- strerror(errno));
+ berrno be;
+ Jmsg2(jcr, M_ERROR, 0, _("Unable to stat device %s: ERR=%s\n"),
+ device->device_name, be.strerror());
return NULL;
}
+
+
tape = false;
fifo = false;
if (S_ISDIR(statp.st_mode)) {
tape = true;
} else if (S_ISFIFO(statp.st_mode)) {
fifo = true;
- } else {
- if (dev) {
- dev->dev_errno = ENODEV;
- }
- Emsg2(M_FATAL, 0, _("%s is an unknown device type. Must be tape or directory. st_mode=%x\n"),
- device->device_name, statp.st_mode);
+ } 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"),
+ 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);
- strcpy(dev->dev_name, device->device_name);
+ pm_strcpy(dev->dev_name, device->device_name);
+ dev->prt_name = get_memory(strlen(device->device_name) + strlen(device->hdr.name) + 20);
+ /* We edit "Resource-name" (physical-name) */
+ Mmsg(dev->prt_name, "\"%s\" (%s)", device->hdr.name, device->device_name);
dev->capabilities = device->cap_bits;
dev->min_block_size = device->min_block_size;
dev->max_block_size = device->max_block_size;
dev->vol_poll_interval = device->vol_poll_interval;
dev->max_spool_size = device->max_spool_size;
dev->drive_index = device->drive_index;
+ dev->autoselect = device->autoselect;
+ if (tape) { /* No parts on tapes */
+ dev->max_part_size = 0;
+ }
+ else {
+ dev->max_part_size = device->max_part_size;
+ }
/* Sanity check */
if (dev->vol_poll_interval && dev->vol_poll_interval < 60) {
dev->vol_poll_interval = 60;
dev->state |= ST_FILE;
}
+ /* If the device requires mount :
+ * - Check that the mount point is available
+ * - Check that (un)mount commands are defined
+ */
+ if (dev->is_file() && dev->requires_mount()) {
+ if (stat(device->mount_point, &statp) < 0) {
+ berrno be;
+ dev->dev_errno = errno;
+ Jmsg2(jcr, M_ERROR, 0, _("Unable to stat mount point %s: ERR=%s\n"),
+ device->mount_point, be.strerror());
+ return NULL;
+ }
+ if (!device->mount_command || !device->unmount_command) {
+ Jmsg0(jcr, M_ERROR_TERM, 0, _("Mount and unmount commands must defined for a device which requires mount.\n"));
+ }
+ if (!device->write_part_command) {
+ Jmsg0(jcr, M_ERROR_TERM, 0, _("Write part command must be defined for a device which requires mount.\n"));
+ }
+ dev->state |= ST_DVD;
+ }
+
if (dev->max_block_size > 1000000) {
- Emsg3(M_ERROR, 0, _("Block size %u on device %s is too large, using default %u\n"),
- dev->max_block_size, dev->dev_name, DEFAULT_BLOCK_SIZE);
+ Jmsg3(jcr, M_ERROR, 0, _("Block size %u on device %s is too large, using default %u\n"),
+ dev->max_block_size, dev->print_name(), DEFAULT_BLOCK_SIZE);
dev->max_block_size = 0;
}
if (dev->max_block_size % TAPE_BSIZE != 0) {
- Emsg2(M_WARNING, 0, _("Max block size %u not multiple of device %s block size.\n"),
- dev->max_block_size, dev->dev_name);
- }
-
+ Jmsg2(jcr, M_WARNING, 0, _("Max block size %u not multiple of device %s block size.\n"),
+ dev->max_block_size, dev->print_name());
+ }
+
dev->errmsg = get_pool_memory(PM_EMSG);
*dev->errmsg = 0;
if ((errstat = pthread_mutex_init(&dev->mutex, NULL)) != 0) {
+ berrno be;
dev->dev_errno = errstat;
- Mmsg1(&dev->errmsg, _("Unable to init mutex: ERR=%s\n"), strerror(errstat));
- Emsg0(M_FATAL, 0, dev->errmsg);
+ Mmsg1(dev->errmsg, _("Unable to init mutex: ERR=%s\n"), be.strerror(errstat));
+ Jmsg0(jcr, M_ERROR_TERM, 0, dev->errmsg);
}
if ((errstat = pthread_cond_init(&dev->wait, NULL)) != 0) {
+ berrno be;
dev->dev_errno = errstat;
- Mmsg1(&dev->errmsg, _("Unable to init cond variable: ERR=%s\n"), strerror(errstat));
- Emsg0(M_FATAL, 0, dev->errmsg);
+ Mmsg1(dev->errmsg, _("Unable to init cond variable: ERR=%s\n"), be.strerror(errstat));
+ Jmsg0(jcr, M_ERROR_TERM, 0, dev->errmsg);
}
if ((errstat = pthread_cond_init(&dev->wait_next_vol, NULL)) != 0) {
+ berrno be;
dev->dev_errno = errstat;
- Mmsg1(&dev->errmsg, _("Unable to init cond variable: ERR=%s\n"), strerror(errstat));
- Emsg0(M_FATAL, 0, dev->errmsg);
+ Mmsg1(dev->errmsg, _("Unable to init cond variable: ERR=%s\n"), be.strerror(errstat));
+ Jmsg0(jcr, M_ERROR_TERM, 0, dev->errmsg);
}
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"), strerror(errstat));
- Emsg0(M_FATAL, 0, dev->errmsg);
+ Mmsg1(dev->errmsg, _("Unable to init mutex: ERR=%s\n"), be.strerror(errstat));
+ Jmsg0(jcr, M_ERROR_TERM, 0, dev->errmsg);
}
if ((errstat = rwl_init(&dev->lock)) != 0) {
+ berrno be;
dev->dev_errno = errstat;
- Mmsg1(&dev->errmsg, _("Unable to init mutex: ERR=%s\n"), strerror(errstat));
- Emsg0(M_FATAL, 0, dev->errmsg);
+ Mmsg1(dev->errmsg, _("Unable to init mutex: ERR=%s\n"), be.strerror(errstat));
+ Jmsg0(jcr, M_ERROR_TERM, 0, dev->errmsg);
}
dev->fd = -1;
- dev->attached_dcrs = new dlist(dcr, &dcr->dev_link);
- Dmsg2(29, "init_dev: tape=%d dev_name=%s\n", dev_is_tape(dev), dev->dev_name);
-
+ dev->attached_dcrs = New(dlist(dcr, &dcr->dev_link));
+ Dmsg2(29, "init_dev: tape=%d dev_name=%s\n", dev->is_tape(), dev->dev_name);
+
return dev;
}
-/* Open the device with the operating system and
+/*
+ * Open the device with the operating system and
* initialize buffer pointers.
*
+ * Returns: -1 on error
+ * fd on success
+ *
* Note, for a tape, the VolName is the name we give to the
* volume (not really used here), but for a file, the
* VolName represents the name of the file to be created/opened.
* (archive_name) with the VolName concatenated.
*/
int
-open_dev(DEVICE *dev, char *VolName, int mode)
+DEVICE::open(DCR *dcr, int omode)
{
- POOLMEM *archive_name;
-
- if (dev->state & ST_OPENED) {
- /*
- * *****FIXME***** how to handle two threads wanting
- * different volumes mounted???? E.g. one is waiting
- * for the next volume to be mounted, and a new job
- * starts and snatches up the device.
- */
- if (VolName && strcmp(dev->VolCatInfo.VolCatName, VolName) != 0) {
- return -1;
+ if (is_open()) {
+ if (openmode == omode) {
+ return fd;
+ } else {
+ ::close(fd); /* use system close so correct mode will be used on open */
+ fd = -1;
+ Dmsg0(100, "Close fd for mode change.\n");
}
- dev->use_count++;
- Mmsg2(&dev->errmsg, _("WARNING!!!! device %s opened %d times!!!\n"),
- dev->dev_name, dev->use_count);
- Emsg1(M_WARNING, 0, "%s", dev->errmsg);
- return dev->fd;
- }
- if (VolName) {
- bstrncpy(dev->VolCatInfo.VolCatName, VolName, sizeof(dev->VolCatInfo.VolCatName));
- }
-
- Dmsg3(29, "open_dev: tape=%d dev_name=%s vol=%s\n", dev_is_tape(dev),
- dev->dev_name, dev->VolCatInfo.VolCatName);
- dev->state &= ~(ST_LABEL|ST_APPEND|ST_READ|ST_EOT|ST_WEOT|ST_EOF);
- if (dev->state & (ST_TAPE|ST_FIFO)) {
- int timeout;
- 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;
+ }
+ if (dcr) {
+ bstrncpy(VolCatInfo.VolCatName, dcr->VolumeName, sizeof(VolCatInfo.VolCatName));
+ }
+
+ 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 {
+ Dmsg1(100, "call open_file_device mode=%s\n", mode_to_str(omode));
+ open_file_device(omode);
+ }
+ return fd;
+}
+
+void DEVICE::set_mode(int new_mode)
+{
+ 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 {
- Emsg0(M_ABORT, 0, _("Illegal mode given to open_dev.\n"));
+ mode = O_RDWR | O_BINARY;
}
- timeout = dev->max_open_wait;
- errno = 0;
- if (dev->state & ST_FIFO && timeout) {
- /* Set open timer */
- dev->tid = start_thread_timer(pthread_self(), timeout);
+ 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 (is_tape() && is_autochanger()) {
+ get_autochanger_loaded_slot(dcr);
+ }
+
+ set_mode(omode);
+ timeout = max_open_wait;
+ errno = 0;
+#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;
+ }
+#endif
+ if (is_fifo() && timeout) {
+ /* Set open timer */
+ tid = start_thread_timer(pthread_self(), timeout);
+ }
+ /* If busy retry each second for max_open_wait seconds */
+ 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(100, "Open error errno=%d ERR=%s\n", errno, be.strerror());
+ if (errno == EINTR || errno == EAGAIN) {
+ Dmsg0(100, "Continue open\n");
+ continue;
}
- /* If busy retry each second for max_open_wait seconds */
- while ((dev->fd = open(dev->dev_name, dev->mode, MODE_RW)) < 0) {
- if (errno == EINTR || errno == EAGAIN) {
- continue;
- }
- if (errno == EBUSY && timeout-- > 0) {
- Dmsg2(100, "Device %s busy. ERR=%s\n", dev->dev_name, strerror(errno));
- bmicrosleep(1, 0);
- continue;
- }
- dev->dev_errno = errno;
- Mmsg2(&dev->errmsg, _("stored: unable to open device %s: ERR=%s\n"),
- dev->dev_name, strerror(dev->dev_errno));
- /* Stop any open timer we set */
- if (dev->tid) {
- stop_thread_timer(dev->tid);
- dev->tid = 0;
- }
- Emsg0(M_FATAL, 0, dev->errmsg);
- break;
+ /* Busy wait for specified time (default = 5 mins) */
+ if (errno == EBUSY && timeout-- > 0) {
+ Dmsg2(100, "Device %s busy. ERR=%s\n", print_name(), be.strerror());
+ bmicrosleep(1, 0);
+ continue;
}
- if (dev->fd >= 0) {
- dev->dev_errno = 0;
- dev->state |= ST_OPENED;
- dev->use_count = 1;
- update_pos_dev(dev); /* update position */
+ /* IO error (no volume) try 10 times every 6 seconds */
+ if (errno == EIO && ioerrcnt-- > 0) {
+ bmicrosleep(5, 0);
+ Dmsg0(100, "Continue open\n");
+ continue;
}
- /* Stop any open() timer we started */
- if (dev->tid) {
- stop_thread_timer(dev->tid);
- dev->tid = 0;
+ 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 (tid) {
+ stop_thread_timer(tid);
+ tid = 0;
}
- Dmsg1(29, "open_dev: tape %d opened\n", dev->fd);
+ Jmsg0(dcr->jcr, M_FATAL, 0, errmsg);
+ break;
+ }
+
+ 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 (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);
+ }
+}
+
+/*
+ * Open a file device
+ */
+void DEVICE::open_file_device(int omode)
+{
+ POOL_MEM archive_name(PM_FNAME);
+
+ /*
+ * Handle opening of File Archive (not a tape)
+ */
+ 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;
+ }
+
+ 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));
+
+ 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 {
- /*
- * Handle opening of File Archive (not a tape)
- */
- if (VolName == NULL || *VolName == 0) {
- Mmsg(&dev->errmsg, _("Could not open file device %s. No Volume name given.\n"),
- dev->dev_name);
- return -1;
+ 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;
+ }
+
+ if (part == 0) {
+ file_size = 0;
+ }
+ 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;
+ }
}
- archive_name = get_pool_memory(PM_FNAME);
- pm_strcpy(&archive_name, dev->dev_name);
- if (archive_name[strlen(archive_name)] != '/') {
- pm_strcat(&archive_name, "/");
+ }
+ 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;
+ }
}
- pm_strcat(&archive_name, VolName);
- Dmsg1(29, "open_dev: device is disk %s\n", 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 {
+ 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 (part < num_parts) {
+ omode = OPEN_READ_ONLY;
+ make_mounted_dvd_filename(this, archive_name);
+ }
+ else {
+ make_spooled_dvd_filename(this, archive_name);
+ }
+ 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;
+ Mmsg2(errmsg, _("Could not open: %s, ERR=%s\n"), archive_name.c_str(),
+ be.strerror());
+ 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);
}
- /* If creating file, give 0640 permissions */
- if ((dev->fd = open(archive_name, dev->mode, 0640)) < 0) {
- dev->dev_errno = errno;
- Mmsg2(&dev->errmsg, _("Could not open: %s, ERR=%s\n"), archive_name, strerror(dev->dev_errno));
- Emsg0(M_FATAL, 0, dev->errmsg);
+
+ /* 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_errno = errno;
+ Mmsg2(errmsg, _("Could not fstat: %s, ERR=%s\n"), archive_name.c_str(),
+ be.strerror());
+ Dmsg1(29, "open failed: %s", errmsg);
+ /* Use system close() */
+ ::close(fd);
+ fd = -1;
} else {
- dev->dev_errno = 0;
- dev->state |= ST_OPENED;
- dev->use_count = 1;
- update_pos_dev(dev); /* update position */
+ 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++;
+ }
+ }*/
}
- Dmsg1(29, "open_dev: disk fd=%d opened\n", dev->fd);
- free_pool_memory(archive_name);
}
- return dev->fd;
}
+
#ifdef debug_tracing
#undef rewind_dev
-int _rewind_dev(char *file, int line, DEVICE *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
-
/*
* Rewind the device.
- * Returns: 1 on success
- * 0 on failure
+ * Returns: true on success
+ * false on failure
*/
-int rewind_dev(DEVICE *dev)
+bool rewind_dev(DEVICE *dev)
{
struct mtop mt_com;
unsigned int i;
- Dmsg1(29, "rewind_dev %s\n", dev->dev_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"),
- dev->dev_name);
- Emsg0(M_FATAL, 0, dev->errmsg);
- return 0;
+ 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);
+ }
+ return false;
}
- dev->state &= ~(ST_APPEND|ST_READ|ST_EOT|ST_EOF|ST_WEOT); /* remove EOF/EOT flags */
+ dev->state &= ~(ST_EOT|ST_EOF|ST_WEOT); /* remove EOF/EOT flags */
dev->block_num = dev->file = 0;
+ dev->file_size = 0;
dev->file_addr = 0;
- if (dev->state & ST_TAPE) {
+ if (dev->is_tape()) {
mt_com.mt_op = MTREW;
mt_com.mt_count = 1;
/* If we get an I/O error on rewind, it is probably because
* retrying every 5 seconds.
*/
for (i=dev->max_rewind_wait; ; i -= 5) {
- if (ioctl(dev->fd, MTIOCTOP, (char *)&mt_com) < 0) {
- if (i == dev->max_rewind_wait) {
- Dmsg1(200, "Rewind error, %s. retrying ...\n", strerror(errno));
- }
- clrerror_dev(dev, MTREW);
- if (dev->dev_errno == EIO && i > 0) {
+ if (ioctl(dev->fd, MTIOCTOP, (char *)&mt_com) < 0) {
+ berrno be;
+ clrerror_dev(dev, MTREW);
+ if (i == dev->max_rewind_wait) {
+ Dmsg1(200, "Rewind error, %s. retrying ...\n", be.strerror());
+ }
+ if (dev->dev_errno == EIO && i > 0) {
Dmsg0(200, "Sleeping 5 seconds.\n");
- bmicrosleep(5, 0);
- continue;
- }
- Mmsg2(&dev->errmsg, _("Rewind error on %s. ERR=%s.\n"),
- dev->dev_name, strerror(dev->dev_errno));
- return 0;
- }
- break;
+ bmicrosleep(5, 0);
+ continue;
+ }
+ Mmsg2(dev->errmsg, _("Rewind error on %s. ERR=%s.\n"),
+ dev->print_name(), be.strerror());
+ return false;
+ }
+ break;
}
- } else if (dev->state & ST_FILE) {
- if (lseek(dev->fd, (off_t)0, SEEK_SET) < 0) {
- dev->dev_errno = errno;
- Mmsg2(&dev->errmsg, _("lseek error on %s. ERR=%s.\n"),
- dev->dev_name, strerror(dev->dev_errno));
- return 0;
+ } else if (dev->is_file()) {
+ if (lseek_dev(dev, (off_t)0, SEEK_SET) < 0) {
+ berrno be;
+ dev->dev_errno = errno;
+ Mmsg2(dev->errmsg, _("lseek_dev error on %s. ERR=%s.\n"),
+ dev->print_name(), be.strerror());
+ return false;
}
}
- return 1;
+ return true;
+}
+
+void DEVICE::block(int why)
+{
+ lock_device(this);
+ block_device(this, why);
+ V(mutex);
+}
+
+void DEVICE::unblock()
+{
+ P(mutex);
+ unblock_device(this);
+ 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_ateof()
+{
+ 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_ateot()
+{
+ /* Make tape effectively read-only */
+ state |= (ST_EOF|ST_EOT|ST_WEOT);
+ clear_append();
+}
+
+/*
* Position device to end of medium (end of data)
- * Returns: 1 on succes
- * 0 on error
+ * Returns: true on succes
+ * false on error
*/
-int
+bool
eod_dev(DEVICE *dev)
{
struct mtop mt_com;
struct mtget mt_stat;
- int stat = 0;
+ bool ok = true;
off_t pos;
+ if (dev->fd < 0) {
+ dev->dev_errno = EBADF;
+ Mmsg1(dev->errmsg, _("Bad call to eod_dev. Device %s not open\n"),
+ dev->print_name());
+ return false;
+ }
+
+#if defined (__digital__) && defined (__unix__)
+ return dev->fsf(dev->VolCatInfo.VolCatFiles);
+#endif
+
Dmsg0(29, "eod_dev\n");
- if (dev->state & ST_EOT) {
- return 1;
+ if (dev->at_eot()) {
+ return true;
}
dev->state &= ~(ST_EOF); /* remove EOF flags */
dev->block_num = dev->file = 0;
+ dev->file_size = 0;
dev->file_addr = 0;
if (dev->state & (ST_FIFO | ST_PROG)) {
- return 1;
+ return true;
}
- if (!(dev->state & ST_TAPE)) {
- pos = lseek(dev->fd, (off_t)0, SEEK_END);
+ if (!dev->is_tape()) {
+ pos = lseek_dev(dev, (off_t)0, SEEK_END);
// Dmsg1(100, "====== Seek to %lld\n", pos);
if (pos >= 0) {
- update_pos_dev(dev);
- dev->state |= ST_EOT;
- return 1;
+ update_pos_dev(dev);
+ dev->state |= ST_EOT;
+ return true;
}
dev->dev_errno = errno;
- Mmsg2(&dev->errmsg, _("lseek error on %s. ERR=%s.\n"),
- dev->dev_name, strerror(dev->dev_errno));
- return 0;
+ berrno be;
+ Mmsg2(dev->errmsg, _("lseek_dev error on %s. ERR=%s.\n"),
+ dev->print_name(), be.strerror());
+ return false;
}
#ifdef MTEOM
-
if (dev_cap(dev, CAP_FASTFSF) && !dev_cap(dev, CAP_EOM)) {
- struct mtget mt_stat;
Dmsg0(100,"Using FAST FSF for EOM\n");
- if (ioctl(dev->fd, MTIOCGET, (char *)&mt_stat) == 0 && mt_stat.mt_fileno <= 0) {
- if (!rewind_dev(dev)) {
- return 0;
- }
+ /* If unknown position, rewind */
+ if (!dev_get_os_pos(dev, &mt_stat)) {
+ if (!rewind_dev(dev)) {
+ return false;
+ }
}
mt_com.mt_op = MTFSF;
/*
- * ***FIXEM*** fix code to handle case that INT16_MAX is
+ * ***FIXME*** fix code to handle case that INT16_MAX is
* not large enough.
*/
mt_com.mt_count = INT16_MAX; /* use big positive number */
if (mt_com.mt_count < 0) {
- mt_com.mt_count = INT16_MAX; /* brain damaged system */
+ mt_com.mt_count = INT16_MAX; /* brain damaged system */
}
}
- if (dev_cap(dev, CAP_EOM)) {
- Dmsg0(100,"Using EOM for EOM\n");
- mt_com.mt_op = MTEOM;
- mt_com.mt_count = 1;
- }
- if (dev_cap(dev, CAP_FASTFSF) || dev_cap(dev, CAP_EOM)) {
- if ((stat=ioctl(dev->fd, MTIOCTOP, (char *)&mt_com)) < 0) {
- Dmsg1(50, "ioctl error: %s\n", strerror(dev->dev_errno));
- clrerror_dev(dev, mt_com.mt_op);
- update_pos_dev(dev);
- Mmsg2(&dev->errmsg, _("ioctl MTEOM error on %s. ERR=%s.\n"),
- dev->dev_name, strerror(dev->dev_errno));
- return 0;
+ if (dev_cap(dev, CAP_MTIOCGET) && (dev_cap(dev, CAP_FASTFSF) || dev_cap(dev, CAP_EOM))) {
+ if (dev_cap(dev, CAP_EOM)) {
+ Dmsg0(100,"Using EOM for EOM\n");
+ mt_com.mt_op = MTEOM;
+ mt_com.mt_count = 1;
}
- if (ioctl(dev->fd, MTIOCGET, (char *)&mt_stat) < 0) {
- dev->dev_errno = errno;
- Mmsg2(&dev->errmsg, _("ioctl MTIOCGET error on %s. ERR=%s.\n"),
- dev->dev_name, strerror(dev->dev_errno));
- return 0;
+ if (ioctl(dev->fd, MTIOCTOP, (char *)&mt_com) < 0) {
+ berrno be;
+ clrerror_dev(dev, mt_com.mt_op);
+ Dmsg1(50, "ioctl error: %s\n", be.strerror());
+ update_pos_dev(dev);
+ Mmsg2(dev->errmsg, _("ioctl MTEOM error on %s. ERR=%s.\n"),
+ dev->print_name(), be.strerror());
+ return false;
+ }
+
+ if (!dev_get_os_pos(dev, &mt_stat)) {
+ berrno be;
+ clrerror_dev(dev, -1);
+ Mmsg2(dev->errmsg, _("ioctl MTIOCGET error on %s. ERR=%s.\n"),
+ dev->print_name(), be.strerror());
+ return false;
}
Dmsg2(100, "EOD file=%d block=%d\n", mt_stat.mt_fileno, mt_stat.mt_blkno);
+ dev->set_ateof();
dev->file = mt_stat.mt_fileno;
-
- /*
- * Rewind then use FSF until EOT reached
- */
} else {
#else
{
#endif
+ /*
+ * Rewind then use FSF until EOT reached
+ */
if (!rewind_dev(dev)) {
- return 0;
+ return false;
}
- /*
+ /*
* Move file by file to the end of the tape
*/
int file_num;
- for (file_num=dev->file; !(dev->state & ST_EOT); 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");
- return 0;
- }
- /*
- * Avoid infinite loop. ***FIXME*** possibly add code
- * to set EOD or to turn off CAP_FASTFSF if on.
- */
- if (file_num == (int)dev->file) {
- struct mtget mt_stat;
- Dmsg1(100, "fsf_dev did not advance from file %d\n", file_num);
- if (ioctl(dev->fd, MTIOCGET, (char *)&mt_stat) == 0 &&
- mt_stat.mt_fileno >= 0) {
- Dmsg2(000, "Adjust file from %d to %d\n", dev->file , mt_stat.mt_fileno);
- dev->file = mt_stat.mt_fileno;
- }
- stat = 0;
- break; /* we are not progressing, bail out */
- }
+ if (!dev->fsf(1)) {
+ Dmsg0(200, "fsf error.\n");
+ return false;
+ }
+ /*
+ * Avoid infinite loop by ensuring we advance.
+ */
+ if (file_num == (int)dev->file) {
+ struct mtget mt_stat;
+ 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->file = mt_stat.mt_fileno;
+ }
+ break;
+ }
}
}
/*
if (dev_cap(dev, CAP_BSFATEOM)) {
struct mtget mt_stat;
/* Backup over EOF */
- stat = bsf_dev(dev, 1);
+ ok = bsf_dev(dev, 1);
/* If BSF worked and fileno is known (not -1), set file */
- if (ioctl(dev->fd, MTIOCGET, (char *)&mt_stat) == 0 && mt_stat.mt_fileno >= 0) {
- Dmsg2(100, "Adjust file from %d to %d\n", dev->file , mt_stat.mt_fileno);
- dev->file = mt_stat.mt_fileno;
+ if (dev_get_os_pos(dev, &mt_stat)) {
+ Dmsg2(100, "BSFATEOF adjust file from %d to %d\n", dev->file , mt_stat.mt_fileno);
+ dev->file = mt_stat.mt_fileno;
} else {
- dev->file++; /* wing it -- not correct on all OSes */
+ dev->file++; /* wing it -- not correct on all OSes */
}
} else {
- update_pos_dev(dev); /* update position */
- stat = 1;
+ update_pos_dev(dev); /* update position */
}
Dmsg1(200, "EOD dev->file=%d\n", dev->file);
- return stat;
+ return ok;
}
/*
- * 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
+ * false on error
*/
bool update_pos_dev(DEVICE *dev)
{
if (dev->fd < 0) {
dev->dev_errno = EBADF;
- Mmsg0(&dev->errmsg, _("Bad device call. Archive not open\n"));
+ Mmsg0(dev->errmsg, _("Bad device call. Device not open\n"));
Emsg0(M_FATAL, 0, dev->errmsg);
return false;
}
/* Find out where we are */
- if (dev->state & ST_FILE) {
+ if (dev->is_file()) {
dev->file = 0;
dev->file_addr = 0;
- pos = lseek(dev->fd, (off_t)0, SEEK_CUR);
+ pos = lseek_dev(dev, (off_t)0, SEEK_CUR);
if (pos < 0) {
- Pmsg1(000, "Seek error: ERR=%s\n", strerror(dev->dev_errno));
- dev->dev_errno = errno;
- Mmsg2(&dev->errmsg, _("lseek error on %s. ERR=%s.\n"),
- dev->dev_name, strerror(dev->dev_errno));
- ok = false;
+ berrno be;
+ dev->dev_errno = errno;
+ 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;
} else {
- dev->file_addr = pos;
+ dev->file_addr = pos;
}
}
return ok;
}
-/*
+/*
* Return the status of the device. This was meant
* to be a generic routine. Unfortunately, it doesn't
* seem possible (at least I do not know how to do it
if (dev->state & (ST_EOT | ST_WEOT)) {
stat |= BMT_EOD;
- Dmsg0(-20, " EOD");
+ Pmsg0(-20, " EOD");
}
if (dev->state & ST_EOF) {
stat |= BMT_EOF;
- Dmsg0(-20, " EOF");
+ Pmsg0(-20, " EOF");
}
- if (dev->state & ST_TAPE) {
+ if (dev->is_tape()) {
stat |= BMT_TAPE;
- Dmsg0(-20," Bacula status:");
- Dmsg2(-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) {
- dev->dev_errno = errno;
- Mmsg2(&dev->errmsg, _("ioctl MTIOCGET error on %s. ERR=%s.\n"),
- dev->dev_name, strerror(dev->dev_errno));
- return 0;
+ berrno be;
+ dev->dev_errno = errno;
+ Mmsg2(dev->errmsg, _("ioctl MTIOCGET error on %s. ERR=%s.\n"),
+ dev->print_name(), be.strerror());
+ return 0;
}
- Dmsg0(-20, " Device status:");
+ Pmsg0(-20, _(" Device status:"));
#if defined(HAVE_LINUX_OS)
if (GMT_EOF(mt_stat.mt_gstat)) {
- stat |= BMT_EOF;
- Dmsg0(-20, " EOF");
+ stat |= BMT_EOF;
+ Pmsg0(-20, " EOF");
}
if (GMT_BOT(mt_stat.mt_gstat)) {
- stat |= BMT_BOT;
- Dmsg0(-20, " BOT");
+ stat |= BMT_BOT;
+ Pmsg0(-20, " BOT");
}
if (GMT_EOT(mt_stat.mt_gstat)) {
- stat |= BMT_EOT;
- Dmsg0(-20, " EOT");
+ stat |= BMT_EOT;
+ Pmsg0(-20, " EOT");
}
if (GMT_SM(mt_stat.mt_gstat)) {
- stat |= BMT_SM;
- Dmsg0(-20, " SM");
+ stat |= BMT_SM;
+ Pmsg0(-20, " SM");
}
if (GMT_EOD(mt_stat.mt_gstat)) {
- stat |= BMT_EOD;
- Dmsg0(-20, " EOD");
+ stat |= BMT_EOD;
+ Pmsg0(-20, " EOD");
}
if (GMT_WR_PROT(mt_stat.mt_gstat)) {
- stat |= BMT_WR_PROT;
- Dmsg0(-20, " WR_PROT");
+ stat |= BMT_WR_PROT;
+ Pmsg0(-20, " WR_PROT");
}
if (GMT_ONLINE(mt_stat.mt_gstat)) {
- stat |= BMT_ONLINE;
- Dmsg0(-20, " ONLINE");
+ stat |= BMT_ONLINE;
+ Pmsg0(-20, " ONLINE");
}
if (GMT_DR_OPEN(mt_stat.mt_gstat)) {
- stat |= BMT_DR_OPEN;
- Dmsg0(-20, " DR_OPEN");
+ stat |= BMT_DR_OPEN;
+ Pmsg0(-20, " DR_OPEN");
}
if (GMT_IM_REP_EN(mt_stat.mt_gstat)) {
- stat |= BMT_IM_REP_EN;
- Dmsg0(-20, " IM_REP_EN");
+ stat |= BMT_IM_REP_EN;
+ Pmsg0(-20, " IM_REP_EN");
}
#endif /* !SunOS && !OSF */
- Dmsg2(-20, " file=%d block=%d\n", mt_stat.mt_fileno, mt_stat.mt_blkno);
+ if (dev_cap(dev, CAP_MTIOCGET)) {
+ 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);
+ }
} else {
stat |= BMT_ONLINE | BMT_BOT;
}
/*
* Load medium in device
* Returns: true on success
- * false on failure
+ * false on failure
*/
bool load_dev(DEVICE *dev)
{
if (dev->fd < 0) {
dev->dev_errno = EBADF;
- Mmsg0(&dev->errmsg, _("Bad call to load_dev. Archive not open\n"));
+ Mmsg0(dev->errmsg, _("Bad call to load_dev. Device not open\n"));
Emsg0(M_FATAL, 0, dev->errmsg);
return false;
}
- if (!(dev->state & ST_TAPE)) {
+ if (!(dev->is_tape())) {
return true;
}
#ifndef MTLOAD
Dmsg0(200, "stored: MTLOAD command not available\n");
- dev->dev_errno = ENOTTY; /* function not available */
- Mmsg2(&dev->errmsg, _("ioctl MTLOAD error on %s. ERR=%s.\n"),
- dev->dev_name, strerror(dev->dev_errno)); return 0;
+ berrno be;
+ dev->dev_errno = ENOTTY; /* function not available */
+ Mmsg2(dev->errmsg, _("ioctl MTLOAD error on %s. ERR=%s.\n"),
+ dev->print_name(), be.strerror());
return false;
#else
dev->block_num = dev->file = 0;
+ dev->file_size = 0;
dev->file_addr = 0;
mt_com.mt_op = MTLOAD;
mt_com.mt_count = 1;
if (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"),
- dev->dev_name, strerror(dev->dev_errno)); return 0;
+ Mmsg2(dev->errmsg, _("ioctl MTLOAD error on %s. ERR=%s.\n"),
+ dev->print_name(), be.strerror());
return false;
}
return true;
/*
* Rewind device and put it offline
* Returns: true on success
- * false on failure
+ * false on failure
*/
bool offline_dev(DEVICE *dev)
{
struct mtop mt_com;
- if (dev->fd < 0) {
- dev->dev_errno = EBADF;
- Mmsg0(&dev->errmsg, _("Bad call to offline_dev. Archive not open\n"));
- Emsg0(M_FATAL, 0, dev->errmsg);
- return false;
- }
- if (!(dev->state & ST_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 */
dev->block_num = dev->file = 0;
+ dev->file_size = 0;
dev->file_addr = 0;
+ dev->part = 0;
#ifdef MTUNLOCK
mt_com.mt_op = MTUNLOCK;
mt_com.mt_count = 1;
mt_com.mt_op = MTOFFL;
mt_com.mt_count = 1;
if (ioctl(dev->fd, MTIOCTOP, (char *)&mt_com) < 0) {
+ berrno be;
dev->dev_errno = errno;
- Mmsg2(&dev->errmsg, _("ioctl MTOFFL error on %s. ERR=%s.\n"),
- dev->dev_name, strerror(dev->dev_errno));
+ Mmsg2(dev->errmsg, _("ioctl MTOFFL error on %s. ERR=%s.\n"),
+ dev->print_name(), be.strerror());
return false;
}
- Dmsg1(100, "Offlined device %s\n", dev->dev_name);
- return false;
+ Dmsg1(100, "Offlined device %s\n", dev->print_name());
+ return true;
}
-int offline_or_rewind_dev(DEVICE *dev)
+bool offline_or_rewind_dev(DEVICE *dev)
{
+ if (dev->fd < 0) {
+ return false;
+ }
if (dev_cap(dev, CAP_OFFLINEUNMOUNT)) {
return offline_dev(dev);
} else {
- /*
+ /*
* Note, this rewind probably should not be here (it wasn't
* in prior versions of Bacula), but on FreeBSD, this is
* needed in the case the tape was "frozen" due to an error
* such as backspacing after writing and EOF. If it is not
* done, all future references to the drive get and I/O error.
*/
+ clrerror_dev(dev, MTREW);
return rewind_dev(dev);
}
}
-/*
- * Foward space a file
+/*
+ * Foward space a file
* Returns: true on success
- * false on failure
+ * 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. Archive 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->state & ST_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->dev_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(29, "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
- * to get the file position. We assume that
+ * to get the file position. We assume that
* the SCSI driver will ensure that we do not
- * forward space over the end of data mark.
+ * forward space past the end of the medium.
*/
- if (dev_cap(dev, CAP_FSF) && 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 || ioctl(dev->fd, MTIOCGET, (char *)&mt_stat) < 0) {
- dev->state |= ST_EOT;
+ stat = ioctl(fd, MTIOCTOP, (char *)&mt_com);
+ if (stat < 0 || !dev_get_os_pos(this, &mt_stat)) {
+ berrno be;
+ set_eot();
Dmsg0(200, "Set ST_EOT\n");
- clrerror_dev(dev, MTFSF);
- Mmsg2(&dev->errmsg, _("ioctl MTFSF error on %s. ERR=%s.\n"),
- dev->dev_name, strerror(dev->dev_errno));
- Dmsg1(200, "%s", dev->errmsg);
- return false;
+ 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->file = mt_stat.mt_fileno;
- dev->state |= ST_EOF; /* just read EOF */
- dev->file_addr = 0;
+ set_ateof();
+ file = mt_stat.mt_fileno;
return true;
- /*
+ /*
* Here if CAP_FSF is set, and virtually all drives
* these days support it, we read a record, then forward
* space one file. Using this procedure, which is slow,
* 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) {
- rbuf_len = DEFAULT_BLOCK_SIZE;
+ 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)) {
- Dmsg0(200, "Doing read before fsf\n");
- if ((stat = read(dev->fd, (char *)rbuf, rbuf_len)) < 0) {
- if (errno == ENOMEM) { /* tape record exceeds buf len */
- stat = rbuf_len; /* This is OK */
- } else {
- dev->state |= ST_EOT;
- clrerror_dev(dev, -1);
- Dmsg2(200, "Set ST_EOT read errno=%d. ERR=%s\n", dev->dev_errno,
- strerror(dev->dev_errno));
- Mmsg2(&dev->errmsg, _("read error on %s. ERR=%s.\n"),
- dev->dev_name, strerror(dev->dev_errno));
- Dmsg1(200, "%s", dev->errmsg);
- break;
- }
- }
- if (stat == 0) { /* EOF */
- update_pos_dev(dev);
- Dmsg1(200, "End of File mark from read. File=%d\n", dev->file+1);
- /* Two reads of zero means end of tape */
- if (dev->state & ST_EOF) {
- dev->state |= ST_EOT;
- Dmsg0(200, "Set ST_EOT\n");
- break;
- } else {
- dev->state |= ST_EOF;
- dev->file++;
- dev->file_addr = 0;
- continue;
- }
- } else { /* Got data */
- dev->state &= ~(ST_EOF|ST_EOT);
- }
-
- Dmsg0(200, "Doing MTFSF\n");
- stat = ioctl(dev->fd, MTIOCTOP, (char *)&mt_com);
- if (stat < 0) { /* error => EOT */
- dev->state |= ST_EOT;
- Dmsg0(200, "Set ST_EOT\n");
- clrerror_dev(dev, MTFSF);
- Mmsg2(&dev->errmsg, _("ioctl MTFSF error on %s. ERR=%s.\n"),
- dev->dev_name, strerror(dev->dev_errno));
- Dmsg0(200, "Got < 0 for MTFSF\n");
- Dmsg1(200, "%s", dev->errmsg);
- } else {
- dev->state |= ST_EOF; /* just read EOF */
- dev->file++;
- dev->file_addr = 0;
- }
+ while (num-- && !at_eot()) {
+ Dmsg0(100, "Doing read before fsf\n");
+ 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;
+ set_eot();
+ clrerror_dev(this, -1);
+ Dmsg2(100, "Set ST_EOT read errno=%d. ERR=%s\n", dev_errno,
+ be.strerror());
+ 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(this);
+ Dmsg1(100, "End of File mark from read. File=%d\n", file+1);
+ /* Two reads of zero means end of tape */
+ if (at_eof()) {
+ set_eot();
+ Dmsg0(100, "Set ST_EOT\n");
+ break;
+ } else {
+ set_ateof();
+ continue;
+ }
+ } else { /* Got data */
+ clear_eot();
+ clear_eof();
+ }
+
+ Dmsg0(100, "Doing MTFSF\n");
+ stat = ioctl(fd, MTIOCTOP, (char *)&mt_com);
+ if (stat < 0) { /* error => EOT */
+ berrno be;
+ set_eot();
+ Dmsg0(100, "Set ST_EOT\n");
+ 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", errmsg);
+ } else {
+ set_ateof();
+ }
}
free_memory(rbuf);
-
+
/*
* No FSF, so use FSR to simulate it
*/
} else {
Dmsg0(200, "Doing FSR for FSF\n");
- while (num-- && !(dev->state & ST_EOT)) {
- fsr_dev(dev, 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->dev_name);
- stat = -1;
+ if (at_eot()) {
+ dev_errno = 0;
+ Mmsg1(errmsg, _("Device %s at End of Tape.\n"), print_name());
+ stat = -1;
} else {
- stat = 0;
+ 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;
}
-/*
- * Backward space a file
+/*
+ * Backward space a file
* Returns: false on failure
- * true on success
+ * true on success
*/
bool
bsf_dev(DEVICE *dev, int num)
-{
+{
struct mtop mt_com;
int stat;
if (dev->fd < 0) {
dev->dev_errno = EBADF;
- Mmsg0(&dev->errmsg, _("Bad call to bsf_dev. Archive device not open\n"));
+ Mmsg0(dev->errmsg, _("Bad call to bsf_dev. Device not open\n"));
Emsg0(M_FATAL, 0, dev->errmsg);
return false;
}
- if (!(dev_state(dev, ST_TAPE))) {
- Mmsg1(&dev->errmsg, _("Device %s cannot BSF because it is not a tape.\n"),
- dev->dev_name);
+ if (!dev->is_tape()) {
+ Mmsg1(dev->errmsg, _("Device %s cannot BSF because it is not a tape.\n"),
+ dev->print_name());
return false;
}
Dmsg0(29, "bsf_dev\n");
dev->state &= ~(ST_EOT|ST_EOF);
dev->file -= num;
dev->file_addr = 0;
+ dev->file_size = 0;
mt_com.mt_op = MTBSF;
mt_com.mt_count = num;
stat = ioctl(dev->fd, MTIOCTOP, (char *)&mt_com);
if (stat < 0) {
+ berrno be;
clrerror_dev(dev, MTBSF);
- Mmsg2(&dev->errmsg, _("ioctl MTBSF error on %s. ERR=%s.\n"),
- dev->dev_name, strerror(dev->dev_errno));
+ Mmsg2(dev->errmsg, _("ioctl MTBSF error on %s. ERR=%s.\n"),
+ dev->print_name(), be.strerror());
}
update_pos_dev(dev);
return stat == 0;
}
-/*
- * Foward space a record
+/*
+ * Foward space num records
* Returns: false on failure
- * true on success
+ * true on success
*/
-bool
-fsr_dev(DEVICE *dev, int num)
-{
+bool DEVICE::fsr(int num)
+{
struct mtop mt_com;
int stat;
- if (dev->fd < 0) {
- dev->dev_errno = EBADF;
- Mmsg0(&dev->errmsg, _("Bad call to fsr_dev. Archive not open\n"));
- Emsg0(M_FATAL, 0, dev->errmsg);
+ if (fd < 0) {
+ dev_errno = EBADF;
+ Mmsg0(errmsg, _("Bad call to fsr. Device not open\n"));
+ Emsg0(M_FATAL, 0, errmsg);
return false;
}
- if (!(dev_state(dev, ST_TAPE))) {
+ if (!is_tape()) {
return false;
}
- if (!dev_cap(dev, CAP_FSR)) {
- Mmsg1(&dev->errmsg, _("ioctl MTFSR not permitted on %s.\n"), dev->dev_name);
+ if (!dev_cap(this, CAP_FSR)) {
+ Mmsg1(errmsg, _("ioctl MTFSR not permitted on %s.\n"), print_name());
return false;
}
- Dmsg0(29, "fsr_dev\n");
+ Dmsg1(29, "fsr %d\n", num);
mt_com.mt_op = MTFSR;
mt_com.mt_count = num;
- stat = ioctl(dev->fd, MTIOCTOP, (char *)&mt_com);
+ stat = ioctl(fd, MTIOCTOP, (char *)&mt_com);
if (stat == 0) {
- dev->state &= ~ST_EOF;
- dev->block_num += num;
+ clear_eof();
+ block_num += num;
} else {
+ berrno be;
struct mtget mt_stat;
- if (ioctl(dev->fd, MTIOCGET, (char *)&mt_stat) == 0 && mt_stat.mt_fileno >= 0) {
- Dmsg4(100, "Adjust from %d:%d to %d:%d\n", dev->file,
- dev->block_num, mt_stat.mt_fileno, mt_stat.mt_blkno);
- dev->file = mt_stat.mt_fileno;
- dev->block_num = mt_stat.mt_blkno;
+ clrerror_dev(this, MTFSR);
+ Dmsg1(100, "FSF fail: ERR=%s\n", be.strerror());
+ if (dev_get_os_pos(this, &mt_stat)) {
+ Dmsg4(100, "Adjust from %d:%d to %d:%d\n", file,
+ block_num, mt_stat.mt_fileno, mt_stat.mt_blkno);
+ file = mt_stat.mt_fileno;
+ block_num = mt_stat.mt_blkno;
} else {
- if (dev->state & ST_EOF) {
- dev->state |= ST_EOT;
- } else {
- dev->state |= ST_EOF; /* assume EOF */
- dev->file++;
- dev->block_num = 0;
- dev->file_addr = 0;
- }
+ if (at_eof()) {
+ set_eot();
+ } else {
+ set_ateof();
+ }
}
- clrerror_dev(dev, MTFSR);
- Mmsg2(&dev->errmsg, _("ioctl MTFSR error on %s. ERR=%s.\n"),
- dev->dev_name, strerror(dev->dev_errno));
+ Mmsg3(errmsg, _("ioctl MTFSR %d error on %s. ERR=%s.\n"),
+ num, print_name(), be.strerror());
}
- update_pos_dev(dev);
+ update_pos_dev(this);
return stat == 0;
}
-/*
+/*
* Backward space a record
* Returns: false on failure
- * true on success
+ * true on success
*/
bool
bsr_dev(DEVICE *dev, int num)
-{
+{
struct mtop mt_com;
int stat;
if (dev->fd < 0) {
dev->dev_errno = EBADF;
- Mmsg0(&dev->errmsg, _("Bad call to bsr_dev. Archive not open\n"));
+ Mmsg0(dev->errmsg, _("Bad call to bsr_dev. Device not open\n"));
Emsg0(M_FATAL, 0, dev->errmsg);
return false;
}
- if (!(dev->state & ST_TAPE)) {
+ if (!dev->is_tape()) {
return false;
}
if (!dev_cap(dev, CAP_BSR)) {
- Mmsg1(&dev->errmsg, _("ioctl MTBSR not permitted on %s.\n"), dev->dev_name);
+ Mmsg1(dev->errmsg, _("ioctl MTBSR not permitted on %s.\n"), dev->print_name());
return false;
}
mt_com.mt_count = num;
stat = ioctl(dev->fd, MTIOCTOP, (char *)&mt_com);
if (stat < 0) {
+ berrno be;
clrerror_dev(dev, MTBSR);
- Mmsg2(&dev->errmsg, _("ioctl MTBSR error on %s. ERR=%s.\n"),
- dev->dev_name, strerror(dev->dev_errno));
+ Mmsg2(dev->errmsg, _("ioctl MTBSR error on %s. ERR=%s.\n"),
+ dev->print_name(), be.strerror());
}
update_pos_dev(dev);
return stat == 0;
}
-/*
+/*
* Reposition the device to file, block
* Returns: false on failure
- * true on success
+ * true on success
*/
bool
reposition_dev(DEVICE *dev, uint32_t file, uint32_t block)
-{
+{
if (dev->fd < 0) {
dev->dev_errno = EBADF;
- Mmsg0(&dev->errmsg, _("Bad call to reposition_dev. Archive not open\n"));
+ Mmsg0(dev->errmsg, _("Bad call to reposition_dev. Device not open\n"));
Emsg0(M_FATAL, 0, dev->errmsg);
return false;
}
- if (!(dev_state(dev, ST_TAPE))) {
- off_t pos = (((off_t)file)<<32) + block;
- Dmsg1(100, "===== lseek to %d\n", (int)pos);
- if (lseek(dev->fd, pos, SEEK_SET) == (off_t)-1) {
- dev->dev_errno = errno;
- Mmsg2(&dev->errmsg, _("lseek error on %s. ERR=%s.\n"),
- dev->dev_name, strerror(dev->dev_errno));
- return false;
+ if (!dev->is_tape()) {
+ 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;
+ dev->dev_errno = errno;
+ Mmsg2(dev->errmsg, _("lseek_dev error on %s. ERR=%s.\n"),
+ dev->print_name(), be.strerror());
+ return false;
}
dev->file = file;
dev->block_num = block;
dev->file_addr = pos;
return true;
}
- Dmsg4(100, "reposition_dev from %u:%u to %u:%u\n",
+ Dmsg4(100, "reposition_dev from %u:%u to %u:%u\n",
dev->file, dev->block_num, file, block);
if (file < dev->file) {
Dmsg0(100, "Rewind_dev\n");
if (!rewind_dev(dev)) {
- return false;
+ return false;
}
}
if (file > dev->file) {
Dmsg1(100, "fsf %d\n", file-dev->file);
- if (!fsf_dev(dev, file-dev->file)) {
- return false;
+ if (!dev->fsf(file-dev->file)) {
+ Dmsg1(100, "fsf failed! ERR=%s\n", strerror_dev(dev));
+ return false;
}
+ Dmsg2(100, "wanted_file=%d at_file=%d\n", file, dev->file);
}
if (block < dev->block_num) {
+ Dmsg2(100, "wanted_blk=%d at_blk=%d\n", block, dev->block_num);
+ Dmsg0(100, "bsf_dev 1\n");
bsf_dev(dev, 1);
- fsf_dev(dev, 1);
+ Dmsg0(100, "fsf_dev 1\n");
+ dev->fsf(1);
+ Dmsg2(100, "wanted_blk=%d at_blk=%d\n", block, dev->block_num);
}
- if (block > dev->block_num) {
+ if (dev_cap(dev, CAP_POSITIONBLOCKS) && block > dev->block_num) {
/* Ignore errors as Bacula can read to the correct block */
Dmsg1(100, "fsr %d\n", block-dev->block_num);
- return fsr_dev(dev, block-dev->block_num);
+ return dev->fsr(block-dev->block_num);
}
- return false;
+ return true;
}
/*
* Write an end of file on the device
* Returns: 0 on success
- * non-zero on failure
+ * non-zero on failure
*/
-int
+int
weof_dev(DEVICE *dev, int num)
-{
+{
struct mtop mt_com;
int stat;
-
+ Dmsg0(29, "weof_dev\n");
+
if (dev->fd < 0) {
dev->dev_errno = EBADF;
- Mmsg0(&dev->errmsg, _("Bad call to weof_dev. Archive drive not open\n"));
+ Mmsg0(dev->errmsg, _("Bad call to weof_dev. Device not open\n"));
Emsg0(M_FATAL, 0, dev->errmsg);
return -1;
}
+ dev->file_size = 0;
- if (!(dev_state(dev, ST_TAPE))) {
+ if (!dev->is_tape()) {
return 0;
}
+ if (!dev->can_append()) {
+ Mmsg0(dev->errmsg, _("Attempt to WEOF on non-appendable Volume\n"));
+ Emsg0(M_FATAL, 0, dev->errmsg);
+ return -1;
+ }
+
dev->state &= ~(ST_EOT | ST_EOF); /* remove EOF/EOT flags */
- dev->block_num = 0;
- Dmsg0(29, "weof_dev\n");
mt_com.mt_op = MTWEOF;
mt_com.mt_count = num;
stat = ioctl(dev->fd, MTIOCTOP, (char *)&mt_com);
if (stat == 0) {
+ dev->block_num = 0;
dev->file += num;
dev->file_addr = 0;
} else {
+ berrno be;
clrerror_dev(dev, MTWEOF);
if (stat == -1) {
- Mmsg2(&dev->errmsg, _("ioctl MTWEOF error on %s. ERR=%s.\n"),
- dev->dev_name, strerror(dev->dev_errno));
+ Mmsg2(dev->errmsg, _("ioctl MTWEOF error on %s. ERR=%s.\n"),
+ dev->print_name(), be.strerror());
}
}
return stat;
/*
* Return string message with last error in English
* Be careful not to call this routine from within dev.c
- * while editing an Mmsg(&) or you will end up in a recursive
+ * while editing an Mmsg() or you will end up in a recursive
* loop creating a Segmentation Violation.
*/
char *
clrerror_dev(DEVICE *dev, int func)
{
const char *msg = NULL;
+ struct mtget mt_stat;
+ char buf[100];
- dev->dev_errno = errno; /* save errno */
+ dev->dev_errno = errno; /* save errno */
if (errno == EIO) {
dev->VolCatInfo.VolCatErrors++;
}
- if (!(dev->state & ST_TAPE)) {
+ if (!dev->is_tape()) {
return;
}
if (errno == ENOTTY || errno == ENOSYS) { /* Function not implemented */
switch (func) {
case -1:
- Emsg0(M_ABORT, 0, "Got ENOTTY on read/write!\n");
- break;
+ Emsg0(M_ABORT, 0, _("Got ENOTTY on read/write!\n"));
+ break;
case MTWEOF:
msg = "WTWEOF";
- dev->capabilities &= ~CAP_EOF; /* turn off feature */
- break;
+ dev->capabilities &= ~CAP_EOF; /* turn off feature */
+ break;
#ifdef MTEOM
case MTEOM:
msg = "WTEOM";
- dev->capabilities &= ~CAP_EOM; /* turn off feature */
- break;
-#endif
+ dev->capabilities &= ~CAP_EOM; /* turn off feature */
+ break;
+#endif
case MTFSF:
msg = "MTFSF";
- dev->capabilities &= ~CAP_FSF; /* turn off feature */
- break;
+ dev->capabilities &= ~CAP_FSF; /* turn off feature */
+ break;
case MTBSF:
msg = "MTBSF";
- dev->capabilities &= ~CAP_BSF; /* turn off feature */
- break;
+ dev->capabilities &= ~CAP_BSF; /* turn off feature */
+ break;
case MTFSR:
msg = "MTFSR";
- dev->capabilities &= ~CAP_FSR; /* turn off feature */
- break;
+ dev->capabilities &= ~CAP_FSR; /* turn off feature */
+ break;
case MTBSR:
msg = "MTBSR";
- dev->capabilities &= ~CAP_BSR; /* turn off feature */
- break;
+ dev->capabilities &= ~CAP_BSR; /* turn off feature */
+ break;
+ case MTREW:
+ msg = "MTREW";
+ break;
+#ifdef MTSETBLK
+ case MTSETBLK:
+ msg = "MTSETBLK";
+ break;
+#endif
+#ifdef MTSETBSIZ
+ case MTSETBSIZ:
+ msg = "MTSETBSIZ";
+ break;
+#endif
+#ifdef MTSRSZ
+ case MTSRSZ:
+ msg = "MTSRSZ";
+ break;
+#endif
default:
- msg = "Unknown";
- break;
+ bsnprintf(buf, sizeof(buf), _("unknown func code %d"), func);
+ msg = buf;
+ break;
}
if (msg != NULL) {
- dev->dev_errno = ENOSYS;
- Mmsg1(&dev->errmsg, _("This device does not support %s.\n"), msg);
- Emsg0(M_ERROR, 0, dev->errmsg);
+ dev->dev_errno = ENOSYS;
+ Mmsg1(dev->errmsg, _("I/O function \"%s\" not supported on this device.\n"), msg);
+ Emsg0(M_ERROR, 0, dev->errmsg);
}
}
+ /* On some systems such as NetBSD, this clears all errors */
+ ioctl(dev->fd, MTIOCGET, (char *)&mt_stat);
+
/* Found on Linux */
#ifdef MTIOCLRERR
{
ioctl(dev->fd, MTIOCERRSTAT, (char *)&mt_errstat);
}
#endif
+
+/* Clear Subsystem Exception OSF1 */
+#ifdef MTCSE
+{
+ struct mtop mt_com;
+ mt_com.mt_op = MTCSE;
+ mt_com.mt_count = 1;
+ /* Clear any error condition on the tape */
+ ioctl(dev->fd, MTIOCTOP, (char *)&mt_com);
+ Dmsg0(200, "Did MTCSE\n");
+}
+#endif
}
/*
static void do_close(DEVICE *dev)
{
- Dmsg1(29, "really close_dev %s\n", dev->dev_name);
+ Dmsg1(29, "really close_dev %s\n", dev->print_name());
if (dev->fd >= 0) {
close(dev->fd);
}
+
+ 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->num_parts > 0) {
+ struct stat statp;
+ POOL_MEM archive_name(PM_FNAME);
+ dev->part = dev->num_parts;
+ 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());
+ }
+ }
+
/* Clean up device packet so it can be reused */
dev->fd = -1;
dev->state &= ~(ST_OPENED|ST_LABEL|ST_READ|ST_APPEND|ST_EOT|ST_WEOT|ST_EOF);
+ dev->label_type = B_BACULA_LABEL;
dev->file = dev->block_num = 0;
+ 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);
dev->tid = 0;
}
dev->use_count = 0;
+ dev->openmode = 0;
}
-/*
+/*
* Close the device
*/
-void
-close_dev(DEVICE *dev)
+void DEVICE::close()
{
- if (!dev) {
- Mmsg0(&dev->errmsg, _("Bad call to close_dev. Archive not open\n"));
- Emsg0(M_FATAL, 0, dev->errmsg);
- return;
+ /*if (fd >= 0 && use_count == 1) {*/
+ /* No need to check if fd >= 0: it is checked again
+ * in do_close, and do_close MUST be called for volumes
+ * splitted in parts, even if fd == -1. */
+ if (use_count == 1) {
+ do_close(this);
+ } else if (use_count > 0) {
+ use_count--;
}
- if (dev->fd >= 0 && dev->use_count == 1) {
- do_close(dev);
- } else if (dev->use_count > 0) {
- dev->use_count--;
- }
-
-#ifdef FULL_DEBUG
- ASSERT(dev->use_count >= 0);
-#endif
-}
-
-/*
- * Used when unmounting the device, ignore use_count
- */
-void force_close_dev(DEVICE *dev)
-{
- if (!dev) {
- Mmsg0(&dev->errmsg, _("Bad call to force_close_dev. Archive not open\n"));
- Emsg0(M_FATAL, 0, dev->errmsg);
- return;
- }
- Dmsg1(29, "Force close_dev %s\n", dev->dev_name);
- do_close(dev);
#ifdef FULL_DEBUG
- ASSERT(dev->use_count >= 0);
+ ASSERT(use_count >= 0);
#endif
}
-bool truncate_dev(DEVICE *dev)
+
+bool truncate_dev(DCR *dcr) /* We need the DCR for DVD-writing */
{
- if (dev->state & ST_TAPE) {
+ 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 (dev->is_dvd()) {
+ return truncate_dvd_dev(dcr);
+ }
+
if (ftruncate(dev->fd, 0) != 0) {
- Mmsg1(&dev->errmsg, _("Unable to truncate device. ERR=%s\n"), strerror(errno));
+ berrno be;
+ Mmsg2(dev->errmsg, _("Unable to truncate device %s. ERR=%s\n"),
+ dev->print_name(), be.strerror());
return false;
}
return true;
}
-bool
-dev_is_tape(DEVICE *dev)
-{
- return (dev->state & ST_TAPE) ? true : false;
-}
-
-
-/*
- * return 1 if the device is read for write, and 0 otherwise
- * This is meant for checking at the end of a job to see
- * if we still have a tape (perhaps not if at end of tape
- * and the job is canceled).
- */
-bool
-dev_can_write(DEVICE *dev)
-{
- if ((dev->state & ST_OPENED) && (dev->state & ST_APPEND) &&
- (dev->state & ST_LABEL) && !(dev->state & ST_WEOT)) {
- return true;
- } else {
- return false;
- }
-}
-
-char *
-dev_name(DEVICE *dev)
+/* Return the resource name for the device */
+const char *DEVICE::name() const
{
- return dev->dev_name;
+ return device->hdr.name;
}
char *
return dev->file;
}
-/*
+/*
* Free memory allocated for the device
*/
void
{
if (!dev) {
dev->dev_errno = EBADF;
- Mmsg0(&dev->errmsg, _("Bad call to term_dev. Archive not open\n"));
+ Mmsg0(dev->errmsg, _("Bad call to term_dev. Device not open\n"));
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;
}
+ if (dev->prt_name) {
+ free_memory(dev->prt_name);
+ dev->prt_name = NULL;
+ }
if (dev->errmsg) {
free_pool_memory(dev->errmsg);
dev->errmsg = NULL;
}
}
-#ifdef xxxx
-/*
- * We attach a jcr to the device so that when
- * the Volume is full during writing, a
- * JobMedia record will be created for this
- * Job.
- */
-void attach_jcr_to_device(DEVICE *dev, JCR *jcr)
-{
- jcr->prev_dev = (JCR *)NULL;
- jcr->next_dev = dev->attached_jcrs;
- if (dev->attached_jcrs) {
- dev->attached_jcrs->prev_dev = jcr;
- }
- dev->attached_jcrs = jcr;
- Dmsg1(100, "Attached Job %s\n", jcr->Job);
-}
-
-void detach_jcr_from_device(DEVICE *dev, JCR *jcr)
-{
- if (!jcr->prev_dev) {
- dev->attached_jcrs = jcr->next_dev;
- } else {
- jcr->prev_dev->next_dev = jcr->next_dev;
- }
- if (jcr->next_dev) {
- jcr->next_dev->prev_dev = jcr->prev_dev;
- }
- jcr->next_dev = jcr->prev_dev = NULL;
- Dmsg1(100, "Detached Job %s\n", jcr->Job);
-}
-
-JCR *next_attached_jcr(DEVICE *dev, JCR *jcr)
-{
- if (jcr == (JCR *)NULL) {
- return dev->attached_jcrs;
- }
- return jcr->next_dev;
-}
-#endif
-
/*
* This routine initializes the device wait timers
*/
-void init_dev_wait_timers(DEVICE *dev)
+void init_device_wait_timers(DCR *dcr)
{
+ DEVICE *dev = dcr->dev;
+ JCR *jcr = dcr->jcr;
+
/* ******FIXME******* put these on config variables */
dev->min_wait = 60 * 60;
dev->max_wait = 24 * 60 * 60;
- dev->max_num_wait = 9; /* 5 waits =~ 1 day, then 1 day at a time */
+ dev->max_num_wait = 9; /* 5 waits =~ 1 day, then 1 day at a time */
dev->wait_sec = dev->min_wait;
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;
+ jcr->max_num_wait = 9; /* 5 waits =~ 1 day, then 1 day at a time */
+ jcr->wait_sec = jcr->min_wait;
+ jcr->rem_wait_sec = jcr->wait_sec;
+ jcr->num_wait = 0;
+
+}
+
+void init_jcr_device_wait_timers(JCR *jcr)
+{
+ /* ******FIXME******* put these on config variables */
+ jcr->min_wait = 60 * 60;
+ jcr->max_wait = 24 * 60 * 60;
+ jcr->max_num_wait = 9; /* 5 waits =~ 1 day, then 1 day at a time */
+ jcr->wait_sec = jcr->min_wait;
+ jcr->rem_wait_sec = jcr->wait_sec;
+ jcr->num_wait = 0;
}
+
/*
+ * The dev timers are used for waiting on a particular device
+ *
* Returns: true if time doubled
- * false if max time expired
+ * false if max time expired
*/
bool double_dev_wait_time(DEVICE *dev)
{
- dev->wait_sec *= 2; /* double wait time */
+ dev->wait_sec *= 2; /* double wait time */
if (dev->wait_sec > dev->max_wait) { /* but not longer than maxtime */
dev->wait_sec = dev->max_wait;
}
}
return true;
}
+
+
+void set_os_device_parameters(DEVICE *dev)
+{
+#ifdef HAVE_LINUX_OS
+ struct mtop mt_com;
+ if (dev->min_block_size == dev->max_block_size &&
+ dev->min_block_size == 0) { /* variable block mode */
+ mt_com.mt_op = MTSETBLK;
+ mt_com.mt_count = 0;
+ if (ioctl(dev->fd, MTIOCTOP, (char *)&mt_com) < 0) {
+ clrerror_dev(dev, MTSETBLK);
+ }
+ mt_com.mt_op = MTSETDRVBUFFER;
+ mt_com.mt_count = MT_ST_CLEARBOOLEANS;
+ if (!dev_cap(dev, CAP_TWOEOF)) {
+ mt_com.mt_count |= MT_ST_TWO_FM;
+ }
+ if (dev_cap(dev, CAP_EOM)) {
+ mt_com.mt_count |= MT_ST_FAST_MTEOM;
+ }
+ if (ioctl(dev->fd, MTIOCTOP, (char *)&mt_com) < 0) {
+ clrerror_dev(dev, MTSETBLK);
+ }
+ }
+ return;
+#endif
+
+#ifdef HAVE_NETBSD_OS
+ struct mtop mt_com;
+ if (dev->min_block_size == dev->max_block_size &&
+ dev->min_block_size == 0) { /* variable block mode */
+ mt_com.mt_op = MTSETBSIZ;
+ mt_com.mt_count = 0;
+ if (ioctl(dev->fd, MTIOCTOP, (char *)&mt_com) < 0) {
+ clrerror_dev(dev, MTSETBSIZ);
+ }
+ /* Get notified at logical end of tape */
+ mt_com.mt_op = MTEWARN;
+ mt_com.mt_count = 1;
+ if (ioctl(dev->fd, MTIOCTOP, (char *)&mt_com) < 0) {
+ clrerror_dev(dev, MTEWARN);
+ }
+ }
+ return;
+#endif
+
+#if HAVE_FREEBSD_OS || HAVE_OPENBSD_OS
+ struct mtop mt_com;
+ if (dev->min_block_size == dev->max_block_size &&
+ dev->min_block_size == 0) { /* variable block mode */
+ mt_com.mt_op = MTSETBSIZ;
+ mt_com.mt_count = 0;
+ if (ioctl(dev->fd, MTIOCTOP, (char *)&mt_com) < 0) {
+ clrerror_dev(dev, MTSETBSIZ);
+ }
+ }
+ return;
+#endif
+
+#ifdef HAVE_SUN_OS
+ struct mtop mt_com;
+ if (dev->min_block_size == dev->max_block_size &&
+ dev->min_block_size == 0) { /* variable block mode */
+ mt_com.mt_op = MTSRSZ;
+ mt_com.mt_count = 0;
+ if (ioctl(dev->fd, MTIOCTOP, (char *)&mt_com) < 0) {
+ clrerror_dev(dev, MTSRSZ);
+ }
+ }
+ return;
+#endif
+}
+
+static bool dev_get_os_pos(DEVICE *dev, struct mtget *mt_stat)
+{
+ return dev_cap(dev, CAP_MTIOCGET) &&
+ 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