* 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
+ * Note, this is the device dependent code, and may have
* to be modified for each system, but is meant to
* be as "generic" as possible.
*
* Version $Id$
*/
/*
- Copyright (C) 2000-2005 Kern Sibbald
+ Copyright (C) 2000-2006 Kern Sibbald
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
- version 2 as ammended with additional clauses defined in the
+ 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,
* On either an I/O error or end of tape,
* we will stop writing on the physical device (no I/O recovery is
* attempted at least in this daemon). The state flag will be sent
- * to include ST_EOT, which is ephimeral, and ST_WEOT, which is
+ * to include ST_EOT, which is ephemeral, and ST_WEOT, which is
* persistent. Lots of routines clear ST_EOT, but ST_WEOT is
* cleared only when the problem goes away. Now when ST_WEOT
* is set all calls to write_block_to_device() call the fix_up
#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);
+void set_os_device_parameters(DCR *dcr);
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
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;
- Jmsg2(jcr, M_ERROR, 0, _("Unable to stat device %s: ERR=%s\n"),
- device->device_name, be.strerror());
- return NULL;
+
+ /* If no device type specified, try to guess */
+ if (!device->dev_type) {
+ /* Check that device is available */
+ if (stat(device->device_name, &statp) < 0) {
+ berrno be;
+ Jmsg2(jcr, M_ERROR, 0, _("Unable to stat device %s: ERR=%s\n"),
+ device->device_name, be.strerror());
+ return NULL;
+ }
+ if (S_ISDIR(statp.st_mode)) {
+ device->dev_type = B_FILE_DEV;
+ } else if (S_ISCHR(statp.st_mode)) {
+ device->dev_type = B_TAPE_DEV;
+ } else if (S_ISFIFO(statp.st_mode)) {
+ device->dev_type = B_FIFO_DEV;
+ } 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;
+ } else {
+ device->dev_type = B_DVD_DEV;
+ }
}
-
-
- tape = false;
- fifo = false;
- if (S_ISDIR(statp.st_mode)) {
- tape = false;
- } else if (S_ISCHR(statp.st_mode)) {
- tape = true;
- } else if (S_ISFIFO(statp.st_mode)) {
- fifo = true;
- } else if (!(device->cap_bits & CAP_REQMOUNT)) {
- Jmsg2(jcr, M_ERROR, 0, _("%s is an unknown device type. Must be tape or directory. st_mode=%x\n"),
- device->device_name, statp.st_mode);
- return NULL;
- }
-
- dev = (DEVICE *)get_memory(sizeof(DEVICE));
+
+ dev = (DEVICE *)malloc(sizeof(DEVICE));
memset(dev, 0, sizeof(DEVICE));
- dev->state = ST_MALLOC;
+ dev->Slot = -1; /* unknown */
/* Copy user supplied device parameters from Resource */
dev->dev_name = get_memory(strlen(device->device_name)+1);
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);
+ Dmsg1(400, "Allocate dev=%s\n", dev->print_name());
dev->capabilities = device->cap_bits;
dev->min_block_size = device->min_block_size;
dev->max_block_size = device->max_block_size;
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->dev_type = device->dev_type;
+ if (dev->is_tape()) { /* No parts on tapes */
dev->max_part_size = 0;
- }
- else {
+ } 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;
}
+ /* Link the dev and device structures together */
dev->device = device;
+ device->dev = dev;
- if (tape) {
- dev->state |= ST_TAPE;
- } else if (fifo) {
- dev->state |= ST_FIFO;
+ if (dev->is_fifo()) {
dev->capabilities |= CAP_STREAM; /* set stream device */
- } else {
- 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() && device->cap_bits & CAP_REQMOUNT) {
- if (stat(device->mount_point, &statp) < 0) {
+ if ((dev->is_file() || dev->is_dvd()) && dev->requires_mount()) {
+ if (!device->mount_point || 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 (dev->is_dvd()) {
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) {
Jmsg0(jcr, M_ERROR_TERM, 0, dev->errmsg);
}
- dev->fd = -1;
+ dev->clear_opened();
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);
* (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;
+ int preserve = 0;
+ if (is_open()) {
+ if (openmode == omode) {
+ return fd;
} else {
- close(dev->fd); /* close so correct mode will be used */
+ if (is_tape()) {
+ tape_close(fd);
+ } else {
+ ::close(fd);
+ }
+ clear_opened();
+ Dmsg0(100, "Close fd for mode change.\n");
+ preserve = state & (ST_LABEL|ST_APPEND|ST_READ);
}
}
- 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: type=%d dev_name=%s vol=%s mode=%s\n", dev_type,
+ print_name(), VolCatInfo.VolCatName, mode_to_str(omode));
+ state &= ~(ST_LABEL|ST_APPEND|ST_READ|ST_EOT|ST_WEOT|ST_EOF);
+ Slot = -1; /* unknown slot */
+ label_type = B_BACULA_LABEL;
+ if (is_tape() || is_fifo()) {
+ open_tape_device(dcr, omode);
+ } 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(dcr, omode);
}
- return dev->fd;
+ state |= preserve; /* reset any important state info */
+ Dmsg2(100, "preserve=0x%x fd=%d\n", preserve, 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;
- 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"));
+ switch (new_mode) {
+ case CREATE_READ_WRITE:
+ mode = O_CREAT | O_RDWR | O_BINARY;
+ break;
+ case OPEN_READ_WRITE:
+ 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"));
}
- timeout = dev->max_open_wait;
- errno = 0;
- if (dev->open_nowait) {
- /* Set wait counters to zero for no wait */
- timeout = ioerrcnt = 0;
- /* Open drive in non-block mode */
- nonblocking = O_NONBLOCK;
+}
+
+/*
+ */
+void DEVICE::open_tape_device(DCR *dcr, int omode)
+{
+ file_size = 0;
+ int timeout = max_open_wait;
+ struct mtop mt_com;
+ utime_t start_time = time(NULL);
+
+
+ Dmsg0(29, "Open dev: device is tape\n");
+
+ get_autochanger_loaded_slot(dcr);
+
+ openmode = omode;
+ set_mode(omode);
+
+ if (timeout < 1) {
+ timeout = 1;
}
- if (dev->is_fifo() && timeout) {
+ errno = 0;
+ if (is_fifo() && timeout) {
/* Set open timer */
- dev->tid = start_thread_timer(pthread_self(), timeout);
+ tid = start_thread_timer(pthread_self(), timeout);
+ }
+ Dmsg2(100, "Try open %s mode=%s\n", print_name(), mode_to_str(omode));
+#if defined(HAVE_WIN32)
+
+ /* Windows Code */
+ if ((fd = tape_open(dev_name, mode)) < 0) {
+ dev_errno = errno;
}
+
+#else
+
+ /* UNIX Code */
/* 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) {
- berrno be;
- Dmsg2(500, "Open error errno=%d ERR=%s\n", errno, be.strerror());
- if (errno == EINTR || errno == EAGAIN) {
- Dmsg0(500, "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());
- bmicrosleep(1, 0);
- continue;
+ for ( ;; ) {
+ /* Try non-blocking open */
+ fd = ::open(dev_name, mode+O_NONBLOCK);
+ if (fd < 0) {
+ berrno be;
+ dev_errno = errno;
+ Dmsg5(050, "Open error on %s omode=%d mode=%x errno=%d: ERR=%s\n",
+ print_name(), omode, mode, errno, be.strerror());
+ } else {
+ /* Tape open, now rewind it */
+ Dmsg0(050, "Rewind after open\n");
+ mt_com.mt_op = MTREW;
+ mt_com.mt_count = 1;
+ if (ioctl(fd, MTIOCTOP, (char *)&mt_com) < 0) {
+ berrno be;
+ dev_errno = errno; /* set error status from rewind */
+ ::close(fd);
+ clear_opened();
+ Dmsg2(100, "Rewind error on %s close: ERR=%s\n", print_name(),
+ be.strerror(dev_errno));
+ /* If we get busy, device is probably rewinding, try again */
+ if (dev_errno != EBUSY) {
+ break; /* error -- no medium */
+ }
+ } else {
+ /* Got fd and rewind worked, so we must have medium in drive */
+ ::close(fd);
+ fd = ::open(dev_name, mode); /* open normally */
+ if (fd < 0) {
+ berrno be;
+ dev_errno = errno;
+ Dmsg5(050, "Open error on %s omode=%d mode=%x errno=%d: ERR=%s\n",
+ print_name(), omode, mode, errno, be.strerror());
+ break;
+ }
+ dev_errno = 0;
+ lock_door();
+ set_os_device_parameters(dcr); /* do system dependent stuff */
+ break; /* Successfully opened and rewound */
+ }
}
- /* IO error (no volume) try 10 times every 6 seconds */
- if (errno == EIO && ioerrcnt-- > 0) {
- bmicrosleep(5, 0);
- Dmsg0(500, "Continue open\n");
- continue;
+ bmicrosleep(5, 0);
+ /* Exceed wait time ? */
+ if (time(NULL) - start_time >= max_open_wait) {
+ break; /* yes, get out */
}
- dev->dev_errno = errno;
- Mmsg2(dev->errmsg, _("Unable to open device %s: ERR=%s\n"),
- dev->print_name(), be.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;
}
- 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");
+#endif
+
+ if (!is_open()) {
+ berrno be;
+ Mmsg2(errmsg, _("Unable to open device %s: ERR=%s\n"),
+ print_name(), be.strerror(dev_errno));
+ Dmsg1(100, "%s", errmsg);
}
+
/* 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", dev->fd);
+ Dmsg1(29, "open dev: tape %d opened\n", 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(DCR *dcr, int omode)
{
POOL_MEM archive_name(PM_FNAME);
- struct stat filestat;
+
+ get_autochanger_loaded_slot(dcr);
+
/*
* Handle opening of File Archive (not a tape)
*/
- if (dev->part == 0) {
- dev->file_size = 0;
+
+ pm_strcpy(archive_name, dev_name);
+ /*
+ * If this is a virtual autochanger (i.e. changer_res != NULL)
+ * we simply use the device name, assuming it has been
+ * appropriately setup by the "autochanger".
+ */
+ if (!device->changer_res) {
+ if (VolCatInfo.VolCatName[0] == 0) {
+ Mmsg(errmsg, _("Could not open file device %s. No Volume name given.\n"),
+ print_name());
+ clear_opened();
+ return;
+ }
+
+ if (!IsPathSeparator(archive_name.c_str()[strlen(archive_name.c_str())-1])) {
+ pm_strcat(archive_name, "/");
+ }
+ pm_strcat(archive_name, VolCatInfo.VolCatName);
}
- 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;
+
+ mount(1); /* do mount if required */
+
+ openmode = omode;
+ set_mode(omode);
+ /* If creating file, give 0640 permissions */
+ Dmsg3(29, "open disk: 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;
+ file = 0;
+ file_addr = 0;
}
-
- 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;
+ Dmsg4(29, "open dev: disk fd=%d opened, part=%d/%d, part_size=%u\n",
+ fd, part, num_dvd_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
+ */
+ Dmsg2(29, "Enter: open_dvd_dev: DVD vol=%s mode=%s\n",
+ &dcr->VolCatInfo, mode_to_str(omode));
+
+ /*
+ * For a DVD we must always pull the state info from dcr->VolCatInfo
+ * This is a bit ugly, but is necessary because we need to open/close/re-open
+ * the dvd file in order to properly mount/unmount and access the
+ * DVD. So we store the state of the DVD as far as is known in the
+ * catalog in dcr->VolCatInfo, and thus we refresh the dev->VolCatInfo
+ * copy here, when opening.
+ */
+ VolCatInfo = dcr->VolCatInfo; /* structure assignment */
+ Dmsg1(100, "Volume=%s\n", VolCatInfo.VolCatName);
+
+ 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());
+ clear_opened();
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) {
+ Dmsg0(100, "Set part=1\n");
+ part = 1; /* count from 1 */
+ 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;
+ if (num_dvd_parts != VolCatInfo.VolCatParts) {
+ num_dvd_parts = VolCatInfo.VolCatParts;
+ }
+
/*
* If we are not trying to access the last part, set mode to
* OPEN_READ_ONLY as writing would be an error.
*/
- if (dev->part < dev->num_parts) {
- mode = OPEN_READ_ONLY;
+ Dmsg2(29, "open DVD part=%d num_dvd_parts=%d\n", part, num_dvd_parts);
+ /* Now find the name of the part that we want to access */
+ if (part <= num_dvd_parts) {
+ omode = OPEN_READ_ONLY;
+ make_mounted_dvd_filename(this, archive_name);
+ set_part_spooled(false);
+ } else {
+ omode = OPEN_READ_WRITE;
+ make_spooled_dvd_filename(this, archive_name);
+ set_part_spooled(true);
}
-
- 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;
+ set_mode(omode);
+
+ // Clear any previous blank_dvd status - we will recalculate it here
+ blank_dvd = false;
+
+ Dmsg3(99, "open_dvd_device: part=%d num_dvd_parts=%d, VolCatInfo.VolCatParts=%d\n",
+ part, num_dvd_parts, dcr->VolCatInfo.VolCatParts);
+
+ if (mount(1)) {
+ Dmsg0(99, "DVD device mounted.\n");
+ if (num_dvd_parts == 0 && !truncating) {
+ /*
+ * If we can mount the device, and we are not truncating the DVD,
+ * we usually want to abort. There is one exception, if there is
+ * only one 0-sized file on the DVD, with the right volume name,
+ * we continue (it's the method used by truncate_dvd to truncate a volume).
+ */
+ if (!check_can_write_on_non_blank_dvd(dcr)) {
+ Mmsg(errmsg, _("The DVD in device %s contains data, please blank it before writing.\n"), print_name());
+ Emsg0(M_FATAL, 0, errmsg);
+ unmount(1); /* Unmount the device, so the operator can change it. */
+ clear_opened();
+ return;
+ }
+ blank_dvd = true;
+ } else {
+ /*
+ * Ensure that we have the correct DVD loaded by looking for part1.
+ * We only succeed the open if it exists. Failure to do this could
+ * leave us trying to add a part to a different DVD!
+ */
+ uint32_t oldpart = part;
+ struct stat statp;
+ POOL_MEM part1_name(PM_FNAME);
+ part = 1;
+ make_mounted_dvd_filename(this, part1_name);
+ part = oldpart;
+ if (stat(part1_name.c_str(), &statp) < 0) {
+ berrno be;
+ Mmsg(errmsg, _("Unable to stat DVD part 1 file %s: ERR=%s\n"),
+ part1_name.c_str(), be.strerror());
+ Emsg0(M_FATAL, 0, errmsg);
+ clear_opened();
+ return;
+ }
+ if (!S_ISREG(statp.st_mode)) {
+ /* It is not a regular file */
+ Mmsg(errmsg, _("DVD part 1 is not a regular file %s.\n"),
+ part1_name.c_str());
+ Emsg0(M_FATAL, 0, errmsg);
+ clear_opened();
+ return;
+ }
+ }
} else {
- Emsg0(M_ABORT, 0, _("Illegal mode given to open_dev.\n"));
+ Dmsg0(99, "DVD device mount failed.\n");
+ /* We cannot mount the device */
+ if (num_dvd_parts == 0) {
+ /* Run free space, check there is a media. */
+ if (!update_freespace()) {
+ Emsg0(M_FATAL, 0, errmsg);
+ clear_opened();
+ return;
+ }
+ if (have_media()) {
+ Dmsg1(29, "Could not mount device %s, this is not a problem (num_dvd_parts == 0), and have media.\n", print_name());
+ } else {
+ Mmsg(errmsg, _("There is no valid DVD in device %s.\n"), print_name());
+ Emsg0(M_FATAL, 0, errmsg);
+ clear_opened();
+ return;
+ }
+ } else {
+ Mmsg(errmsg, _("Could not mount DVD device %s.\n"), print_name());
+ Emsg0(M_FATAL, 0, errmsg);
+ clear_opened();
+ return;
+ }
}
+
+ Dmsg5(29, "open dev: DVD dev=%s mode=%s part=%d npart=%d volcatnparts=%d\n",
+ archive_name.c_str(), mode_to_str(omode),
+ part, num_dvd_parts, dcr->VolCatInfo.VolCatParts);
+ openmode = omode;
+ Dmsg2(100, "openmode=%d %s\n", openmode, mode_to_str(openmode));
+
+
/* If creating file, give 0640 permissions */
- 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) {
+ // Should this be set if we try the create/open below
+ dev_errno = EIO; /* Interpreted as no device present by acquire.c:acquire_device_for_read(). */
+ Dmsg1(29, "open failed: %s", errmsg);
+
+ /* Previous open failed. See if we can recover */
+ if ((omode == OPEN_READ_ONLY || omode == OPEN_READ_WRITE) &&
+ (part > num_dvd_parts)) {
+ /* If the last part (on spool), doesn't exist when accessing,
+ * create it. In read/write mode a write will be allowed (higher
+ * level software thinks that we are extending a pre-existing
+ * media. Reads for READ_ONLY will report immediately an EOF
+ * Sometimes it is better to finish with an EOF than with an error. */
+ Dmsg1(29, "Creating last part on spool: %s\n", archive_name.c_str());
+ omode = CREATE_READ_WRITE;
+ set_mode(CREATE_READ_WRITE);
+ fd = ::open(archive_name.c_str(), mode, 0640);
+ set_mode(omode);
+ }
+ }
+ Dmsg1(100, "after open fd=%d\n", fd);
+ if (is_open()) {
+ if (omode == OPEN_READ_WRITE || omode == CREATE_READ_WRITE) {
+ set_append();
+ }
+ /* 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);
+ clear_opened();
} else {
- dev->part_size = filestat.st_size;
+ part_size = filestat.st_size;
+ dev_errno = 0;
+ update_pos(dcr); /* update position */
}
}
- 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);
- return rewind_dev(dev);
-}
-#endif
/*
* Rewind the device.
* Returns: true on success
* false on failure
*/
-bool rewind_dev(DEVICE *dev)
+bool DEVICE::rewind(DCR *dcr)
{
struct mtop mt_com;
unsigned int i;
+ bool first = true;
- Dmsg1(29, "rewind_dev %s\n", 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->print_name());
- Emsg0(M_ABORT, 0, dev->errmsg);
+ Dmsg3(400, "rewind res=%d fd=%d %s\n", reserved_device, fd, print_name());
+ state &= ~(ST_EOT|ST_EOF|ST_WEOT); /* remove EOF/EOT flags */
+ block_num = file = 0;
+ file_size = 0;
+ file_addr = 0;
+ if (fd < 0) {
+ if (!is_dvd()) { /* In case of major error, the fd is not open on DVD, so we don't want to abort. */
+ dev_errno = EBADF;
+ Mmsg1(errmsg, _("Bad call to rewind. Device %s not open\n"),
+ print_name());
+ Emsg0(M_ABORT, 0, errmsg);
+ }
return false;
}
- 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->is_tape()) {
+ if (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
* the drive is actually busy. We loop for (about 5 minutes)
* retrying every 5 seconds.
*/
- for (i=dev->max_rewind_wait; ; i -= 5) {
- if (ioctl(dev->fd, MTIOCTOP, (char *)&mt_com) < 0) {
+ for (i=max_rewind_wait; ; i -= 5) {
+ if (tape_ioctl(fd, MTIOCTOP, (char *)&mt_com) < 0) {
berrno be;
- clrerror_dev(dev, MTREW);
- if (i == dev->max_rewind_wait) {
+ clrerror(MTREW);
+ if (i == max_rewind_wait) {
Dmsg1(200, "Rewind error, %s. retrying ...\n", be.strerror());
}
- if (dev->dev_errno == EIO && i > 0) {
+ /*
+ * This is a gross hack, because if the user has the
+ * device mounted (i.e. open), then uses mtx to load
+ * a tape, the current open file descriptor is invalid.
+ * So, we close the drive and re-open it.
+ */
+ if (first && dcr) {
+ int open_mode = openmode;
+ tape_close(fd);
+ clear_opened();
+ open(dcr, open_mode);
+ if (fd < 0) {
+ return false;
+ }
+ first = false;
+ continue;
+ }
+#ifdef HAVE_SUN_OS
+ if (dev_errno == EIO) {
+ Mmsg1(errmsg, _("No tape loaded or drive offline on %s.\n"), print_name());
+ return false;
+ }
+#else
+ if (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->print_name(), be.strerror());
+#endif
+ Mmsg2(errmsg, _("Rewind error on %s. ERR=%s.\n"),
+ print_name(), be.strerror());
return false;
}
break;
}
- } else if (dev->is_file()) {
- if (lseek_dev(dev, (off_t)0, SEEK_SET) < 0) {
+ } else if (is_file() || is_dvd()) {
+ if (lseek(dcr, (boffset_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());
+ dev_errno = errno;
+ Mmsg2(errmsg, _("lseek error on %s. ERR=%s.\n"),
+ print_name(), be.strerror());
return false;
}
}
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();
- file++;
+ if (is_tape()) {
+ file++;
+ }
file_addr = 0;
file_size = 0;
block_num = 0;
* Returns: true on succes
* false on error
*/
-bool
-eod_dev(DEVICE *dev)
+bool DEVICE::eod(DCR *dcr)
{
struct mtop mt_com;
struct mtget mt_stat;
bool ok = true;
- off_t pos;
+ boffset_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());
+ if (fd < 0) {
+ dev_errno = EBADF;
+ Mmsg1(errmsg, _("Bad call to eod. Device %s not open\n"), print_name());
return false;
}
#if defined (__digital__) && defined (__unix__)
- return fsf_dev(dev, dev->VolCatInfo.VolCatFiles);
+ return fsf(VolCatInfo.VolCatFiles);
#endif
- Dmsg0(29, "eod_dev\n");
- if (dev->at_eot()) {
+ Dmsg0(29, "eod\n");
+ if (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)) {
+ clear_eof(); /* remove EOF flag */
+ block_num = file = 0;
+ file_size = 0;
+ file_addr = 0;
+ if (is_fifo() || is_prog()) {
return true;
}
- if (!dev->is_tape()) {
- pos = lseek_dev(dev, (off_t)0, SEEK_END);
+ if (!is_tape()) {
+ pos = lseek(dcr, (boffset_t)0, SEEK_END);
// Dmsg1(100, "====== Seek to %lld\n", pos);
if (pos >= 0) {
- update_pos_dev(dev);
- dev->state |= ST_EOT;
+ update_pos(dcr);
+ set_eot();
return true;
}
- dev->dev_errno = errno;
+ dev_errno = errno;
berrno be;
- Mmsg2(dev->errmsg, _("lseek_dev error on %s. ERR=%s.\n"),
- dev->print_name(), be.strerror());
+ Mmsg2(errmsg, _("lseek error on %s. ERR=%s.\n"),
+ print_name(), be.strerror());
return false;
}
#ifdef MTEOM
- if (dev_cap(dev, CAP_FASTFSF) && !dev_cap(dev, CAP_EOM)) {
+ if (has_cap(CAP_FASTFSF) && !has_cap(CAP_EOM)) {
Dmsg0(100,"Using FAST FSF for EOM\n");
/* If unknown position, rewind */
- if (!dev_get_os_pos(dev, &mt_stat)) {
- if (!rewind_dev(dev)) {
+ if (!dev_get_os_pos(this, &mt_stat)) {
+ if (!rewind(NULL)) {
return false;
}
}
}
}
- if (dev_cap(dev, CAP_MTIOCGET) && (dev_cap(dev, CAP_FASTFSF) || dev_cap(dev, CAP_EOM))) {
- if (dev_cap(dev, CAP_EOM)) {
+ if (has_cap(CAP_MTIOCGET) && (has_cap(CAP_FASTFSF) || has_cap(CAP_EOM))) {
+ if (has_cap(CAP_EOM)) {
Dmsg0(100,"Using EOM for EOM\n");
mt_com.mt_op = MTEOM;
mt_com.mt_count = 1;
}
- if (ioctl(dev->fd, MTIOCTOP, (char *)&mt_com) < 0) {
+ if (tape_ioctl(fd, MTIOCTOP, (char *)&mt_com) < 0) {
berrno be;
- clrerror_dev(dev, mt_com.mt_op);
+ clrerror(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());
+ update_pos(dcr);
+ Mmsg2(errmsg, _("ioctl MTEOM error on %s. ERR=%s.\n"),
+ print_name(), be.strerror());
return false;
}
- if (!dev_get_os_pos(dev, &mt_stat)) {
+ if (!dev_get_os_pos(this, &mt_stat)) {
berrno be;
- clrerror_dev(dev, -1);
- Mmsg2(dev->errmsg, _("ioctl MTIOCGET error on %s. ERR=%s.\n"),
- dev->print_name(), be.strerror());
+ clrerror(-1);
+ Mmsg2(errmsg, _("ioctl MTIOCGET error on %s. ERR=%s.\n"),
+ 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;
+ set_ateof();
+ file = mt_stat.mt_fileno;
} else {
#else
{
/*
* Rewind then use FSF until EOT reached
*/
- if (!rewind_dev(dev)) {
+ if (!rewind(NULL)) {
return false;
}
/*
* Move file by file to the end of the tape
*/
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");
+ for (file_num=file; !at_eot(); file_num++) {
+ Dmsg0(200, "eod: doing fsf 1\n");
+ if (!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) {
+ if (!at_eot() && file_num == (int)file) {
struct mtget mt_stat;
- Dmsg1(100, "fsf_dev did not advance from file %d\n", file_num);
- 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_ateof();
- dev->file = mt_stat.mt_fileno;
- }
- return false;
+ Dmsg1(100, "fsf did not advance from file %d\n", file_num);
+ set_ateof();
+ if (dev_get_os_pos(this, &mt_stat)) {
+ Dmsg2(100, "Adjust file from %d to %d\n", file_num, mt_stat.mt_fileno);
+ file = mt_stat.mt_fileno;
+ }
+ break;
}
}
}
* MTEOM, so we must backup so that appending overwrites
* the second EOF.
*/
- if (dev_cap(dev, CAP_BSFATEOM)) {
+ if (has_cap(CAP_BSFATEOM)) {
struct mtget mt_stat;
/* Backup over EOF */
- ok = bsf_dev(dev, 1);
+ ok = bsf(1);
/* If BSF worked and fileno is known (not -1), set file */
- 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;
+ if (dev_get_os_pos(this, &mt_stat)) {
+ Dmsg2(100, "BSFATEOF adjust file from %d to %d\n", file , mt_stat.mt_fileno);
+ file = mt_stat.mt_fileno;
} else {
- dev->file++; /* wing it -- not correct on all OSes */
+ file++; /* wing it -- not correct on all OSes */
}
} else {
- update_pos_dev(dev); /* update position */
+ update_pos(dcr); /* update position */
}
- Dmsg1(200, "EOD dev->file=%d\n", dev->file);
+ Dmsg1(200, "EOD dev->file=%d\n", file);
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
*/
-bool update_pos_dev(DEVICE *dev)
+bool DEVICE::update_pos(DCR *dcr)
{
- off_t pos;
+ boffset_t pos;
bool ok = true;
- if (dev->fd < 0) {
- dev->dev_errno = EBADF;
- Mmsg0(dev->errmsg, _("Bad device call. Device not open\n"));
- Emsg0(M_FATAL, 0, dev->errmsg);
+ if (!is_open()) {
+ dev_errno = EBADF;
+ Mmsg0(errmsg, _("Bad device call. Device not open\n"));
+ Emsg1(M_FATAL, 0, "%s", errmsg);
return false;
}
/* Find out where we are */
- if (dev->is_file()) {
- dev->file = 0;
- dev->file_addr = 0;
- pos = lseek_dev(dev, (off_t)0, SEEK_CUR);
+ if (is_file() || is_dvd()) {
+ file = 0;
+ file_addr = 0;
+ pos = lseek(dcr, (boffset_t)0, SEEK_CUR);
if (pos < 0) {
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());
+ dev_errno = errno;
+ Pmsg1(000, _("Seek error: ERR=%s\n"), be.strerror());
+ Mmsg2(errmsg, _("lseek error on %s. ERR=%s.\n"),
+ print_name(), be.strerror());
ok = false;
} else {
- dev->file_addr = pos;
+ file_addr = pos;
+ block_num = (uint32_t)pos;
+ file = (uint32_t)(pos >> 32);
}
}
return ok;
}
-
/*
* Return the status of the device. This was meant
* to be a generic routine. Unfortunately, it doesn't
}
if (dev->is_tape()) {
stat |= BMT_TAPE;
- 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) {
+ Pmsg0(-20,_(" Bacula status:"));
+ Pmsg2(-20,_(" file=%d block=%d\n"), dev->file, dev->block_num);
+ if (tape_ioctl(dev->fd, MTIOCGET, (char *)&mt_stat) < 0) {
berrno be;
dev->dev_errno = errno;
Mmsg2(dev->errmsg, _("ioctl MTIOCGET error on %s. ERR=%s.\n"),
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)) {
stat |= BMT_IM_REP_EN;
Pmsg0(-20, " IM_REP_EN");
}
+#elif defined(HAVE_WIN32)
+ if (GMT_EOF(mt_stat.mt_gstat)) {
+ stat |= BMT_EOF;
+ Pmsg0(-20, " EOF");
+ }
+ if (GMT_BOT(mt_stat.mt_gstat)) {
+ stat |= BMT_BOT;
+ Pmsg0(-20, " BOT");
+ }
+ if (GMT_EOT(mt_stat.mt_gstat)) {
+ stat |= BMT_EOT;
+ Pmsg0(-20, " EOT");
+ }
+ if (GMT_EOD(mt_stat.mt_gstat)) {
+ stat |= BMT_EOD;
+ Pmsg0(-20, " EOD");
+ }
+ if (GMT_WR_PROT(mt_stat.mt_gstat)) {
+ stat |= BMT_WR_PROT;
+ Pmsg0(-20, " WR_PROT");
+ }
+ if (GMT_ONLINE(mt_stat.mt_gstat)) {
+ stat |= BMT_ONLINE;
+ Pmsg0(-20, " ONLINE");
+ }
+ if (GMT_DR_OPEN(mt_stat.mt_gstat)) {
+ stat |= BMT_DR_OPEN;
+ Pmsg0(-20, " DR_OPEN");
+ }
+ if (GMT_IM_REP_EN(mt_stat.mt_gstat)) {
+ stat |= BMT_IM_REP_EN;
+ Pmsg0(-20, " IM_REP_EN");
+ }
+
#endif /* !SunOS && !OSF */
- if (dev_cap(dev, CAP_MTIOCGET)) {
- Pmsg2(-20, " file=%d block=%d\n", mt_stat.mt_fileno, mt_stat.mt_blkno);
+ if (dev->has_cap(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);
+ Pmsg2(-20, _(" file=%d block=%d\n"), -1, -1);
}
} else {
stat |= BMT_ONLINE | BMT_BOT;
dev->file_addr = 0;
mt_com.mt_op = MTLOAD;
mt_com.mt_count = 1;
- if (ioctl(dev->fd, MTIOCTOP, (char *)&mt_com) < 0) {
+ if (tape_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"),
* Returns: true on success
* false on failure
*/
-bool offline_dev(DEVICE *dev)
+bool DEVICE::offline()
{
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 (!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;
- ioctl(dev->fd, MTIOCTOP, (char *)&mt_com);
-#endif
+ state &= ~(ST_APPEND|ST_READ|ST_EOT|ST_EOF|ST_WEOT); /* remove EOF/EOT flags */
+ block_num = file = 0;
+ file_size = 0;
+ file_addr = 0;
+ unlock_door();
mt_com.mt_op = MTOFFL;
mt_com.mt_count = 1;
- if (ioctl(dev->fd, MTIOCTOP, (char *)&mt_com) < 0) {
+ if (tape_ioctl(fd, MTIOCTOP, (char *)&mt_com) < 0) {
berrno be;
- dev->dev_errno = errno;
- Mmsg2(dev->errmsg, _("ioctl MTOFFL error on %s. ERR=%s.\n"),
- dev->print_name(), be.strerror());
+ dev_errno = errno;
+ Mmsg2(errmsg, _("ioctl MTOFFL error on %s. ERR=%s.\n"),
+ print_name(), be.strerror());
return false;
}
- Dmsg1(100, "Offlined device %s\n", dev->print_name());
+ Dmsg1(100, "Offlined device %s\n", print_name());
return true;
}
-bool offline_or_rewind_dev(DEVICE *dev)
+bool DEVICE::offline_or_rewind()
{
- if (dev->fd < 0) {
+ if (fd < 0) {
return false;
}
- if (dev_cap(dev, CAP_OFFLINEUNMOUNT)) {
- return offline_dev(dev);
+ if (has_cap(CAP_OFFLINEUNMOUNT)) {
+ return offline();
} else {
/*
* Note, this rewind probably should not be here (it wasn't
* 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);
+ clrerror(MTREW);
+ return rewind(NULL);
}
}
* 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 (!is_open()) {
+ dev_errno = EBADF;
+ Mmsg0(errmsg, _("Bad call to fsf. 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 (has_cap(CAP_FSF) && has_cap(CAP_MTIOCGET) && has_cap(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 = tape_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(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_ateof();
- 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 (has_cap(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 = tape_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(-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);
+ 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_ateof();
+ 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 = tape_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(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_ateof();
+ 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);
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;
}
* Returns: false on failure
* true on success
*/
-bool
-bsf_dev(DEVICE *dev, int num)
+bool DEVICE::bsf(int num)
{
struct mtop mt_com;
int stat;
- if (dev->fd < 0) {
- dev->dev_errno = EBADF;
- Mmsg0(dev->errmsg, _("Bad call to bsf_dev. Device not open\n"));
- Emsg0(M_FATAL, 0, dev->errmsg);
+ if (!is_open()) {
+ dev_errno = EBADF;
+ Mmsg0(errmsg, _("Bad call to bsf. Device not open\n"));
+ Emsg0(M_FATAL, 0, errmsg);
return false;
}
- if (!dev->is_tape()) {
- Mmsg1(dev->errmsg, _("Device %s cannot BSF because it is not a tape.\n"),
- dev->print_name());
+ if (!is_tape()) {
+ Mmsg1(errmsg, _("Device %s cannot BSF because it is not a tape.\n"),
+ 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;
+
+ Dmsg0(29, "bsf\n");
+ clear_eot();
+ clear_eof();
+ file -= num;
+ file_addr = 0;
+ file_size = 0;
mt_com.mt_op = MTBSF;
mt_com.mt_count = num;
- stat = ioctl(dev->fd, MTIOCTOP, (char *)&mt_com);
+ stat = tape_ioctl(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->print_name(), be.strerror());
+ clrerror(MTBSF);
+ Mmsg2(errmsg, _("ioctl MTBSF error on %s. ERR=%s.\n"),
+ print_name(), be.strerror());
}
- update_pos_dev(dev);
return stat == 0;
}
struct mtop mt_com;
int stat;
- if (fd < 0) {
+ if (!is_open()) {
dev_errno = EBADF;
Mmsg0(errmsg, _("Bad call to fsr. Device not open\n"));
Emsg0(M_FATAL, 0, errmsg);
if (!is_tape()) {
return false;
}
- if (!dev_cap(this, CAP_FSR)) {
+
+ if (!has_cap(CAP_FSR)) {
Mmsg1(errmsg, _("ioctl MTFSR not permitted on %s.\n"), print_name());
return false;
}
Dmsg1(29, "fsr %d\n", num);
mt_com.mt_op = MTFSR;
mt_com.mt_count = num;
- stat = ioctl(fd, MTIOCTOP, (char *)&mt_com);
+ stat = tape_ioctl(fd, MTIOCTOP, (char *)&mt_com);
if (stat == 0) {
clear_eof();
block_num += num;
} else {
berrno be;
struct mtget mt_stat;
- clrerror_dev(this, MTFSR);
+ clrerror(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,
Mmsg3(errmsg, _("ioctl MTFSR %d error on %s. ERR=%s.\n"),
num, print_name(), be.strerror());
}
- update_pos_dev(this);
return stat == 0;
}
* Returns: false on failure
* true on success
*/
-bool
-bsr_dev(DEVICE *dev, int num)
+bool DEVICE::bsr(int num)
{
struct mtop mt_com;
int stat;
- if (dev->fd < 0) {
- dev->dev_errno = EBADF;
- Mmsg0(dev->errmsg, _("Bad call to bsr_dev. Device not open\n"));
- Emsg0(M_FATAL, 0, dev->errmsg);
+ if (!is_open()) {
+ dev_errno = EBADF;
+ Mmsg0(errmsg, _("Bad call to bsr_dev. Device not open\n"));
+ Emsg0(M_FATAL, 0, errmsg);
return false;
}
- if (!dev->is_tape()) {
+ if (!is_tape()) {
return false;
}
- if (!dev_cap(dev, CAP_BSR)) {
- Mmsg1(dev->errmsg, _("ioctl MTBSR not permitted on %s.\n"), dev->print_name());
+ if (!has_cap(CAP_BSR)) {
+ Mmsg1(errmsg, _("ioctl MTBSR not permitted on %s.\n"), print_name());
return false;
}
Dmsg0(29, "bsr_dev\n");
- dev->block_num -= num;
- dev->state &= ~(ST_EOF|ST_EOT|ST_EOF);
+ block_num -= num;
+ clear_eof();
+ clear_eot();
mt_com.mt_op = MTBSR;
mt_com.mt_count = num;
- stat = ioctl(dev->fd, MTIOCTOP, (char *)&mt_com);
+ stat = tape_ioctl(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->print_name(), be.strerror());
+ clrerror(MTBSR);
+ Mmsg2(errmsg, _("ioctl MTBSR error on %s. ERR=%s.\n"),
+ print_name(), be.strerror());
}
- update_pos_dev(dev);
return stat == 0;
}
+void DEVICE::lock_door()
+{
+#ifdef MTLOCK
+ struct mtop mt_com;
+ mt_com.mt_op = MTLOCK;
+ mt_com.mt_count = 1;
+ tape_ioctl(fd, MTIOCTOP, (char *)&mt_com);
+#endif
+}
+
+void DEVICE::unlock_door()
+{
+#ifdef MTUNLOCK
+ struct mtop mt_com;
+ mt_com.mt_op = MTUNLOCK;
+ mt_com.mt_count = 1;
+ tape_ioctl(fd, MTIOCTOP, (char *)&mt_com);
+#endif
+}
+
+
/*
* Reposition the device to file, block
* Returns: false on failure
* true on success
*/
-bool
-reposition_dev(DEVICE *dev, uint32_t file, uint32_t block)
+bool DEVICE::reposition(DCR *dcr, uint32_t rfile, uint32_t rblock)
{
- if (dev->fd < 0) {
- dev->dev_errno = EBADF;
- Mmsg0(dev->errmsg, _("Bad call to reposition_dev. Device not open\n"));
- Emsg0(M_FATAL, 0, dev->errmsg);
+ if (!is_open()) {
+ dev_errno = EBADF;
+ Mmsg0(errmsg, _("Bad call to reposition. Device not open\n"));
+ Emsg0(M_FATAL, 0, errmsg);
return false;
}
- if (!dev->is_tape()) {
- off_t pos = (((off_t)file)<<32) + block;
- Dmsg1(100, "===== lseek_dev to %d\n", (int)pos);
- if (lseek_dev(dev, pos, SEEK_SET) == (off_t)-1) {
+ if (!is_tape()) {
+ boffset_t pos = (((boffset_t)rfile)<<32) | rblock;
+ Dmsg1(100, "===== lseek to %d\n", (int)pos);
+ if (lseek(dcr, pos, SEEK_SET) == (boffset_t)-1) {
berrno be;
- dev->dev_errno = errno;
- Mmsg2(dev->errmsg, _("lseek_dev error on %s. ERR=%s.\n"),
- dev->print_name(), be.strerror());
+ dev_errno = errno;
+ Mmsg2(errmsg, _("lseek error on %s. ERR=%s.\n"),
+ print_name(), be.strerror());
return false;
}
- dev->file = file;
- dev->block_num = block;
- dev->file_addr = pos;
+ file = rfile;
+ block_num = rblock;
+ file_addr = pos;
return true;
}
- 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)) {
+
+ /* After this point, we are tape only */
+ Dmsg4(100, "reposition from %u:%u to %u:%u\n", file, block_num, rfile, rblock);
+ if (rfile < file) {
+ Dmsg0(100, "Rewind\n");
+ if (!rewind(NULL)) {
return false;
}
}
- if (file > dev->file) {
- Dmsg1(100, "fsf %d\n", file-dev->file);
- if (!fsf_dev(dev, file-dev->file)) {
- Dmsg1(100, "fsf failed! ERR=%s\n", strerror_dev(dev));
+ if (rfile > file) {
+ Dmsg1(100, "fsf %d\n", rfile-file);
+ if (!fsf(rfile-file)) {
+ Dmsg1(100, "fsf failed! ERR=%s\n", bstrerror());
return false;
}
- Dmsg2(100, "wanted_file=%d at_file=%d\n", file, dev->file);
+ Dmsg2(100, "wanted_file=%d at_file=%d\n", rfile, 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);
- Dmsg0(100, "fsf_dev 1\n");
- fsf_dev(dev, 1);
- Dmsg2(100, "wanted_blk=%d at_blk=%d\n", block, dev->block_num);
+ if (rblock < block_num) {
+ Dmsg2(100, "wanted_blk=%d at_blk=%d\n", rblock, block_num);
+ Dmsg0(100, "bsf 1\n");
+ bsf(1);
+ Dmsg0(100, "fsf 1\n");
+ fsf(1);
+ Dmsg2(100, "wanted_blk=%d at_blk=%d\n", rblock, block_num);
}
- if (dev_cap(dev, CAP_POSITIONBLOCKS) && block > dev->block_num) {
+ if (has_cap(CAP_POSITIONBLOCKS) && rblock > block_num) {
/* Ignore errors as Bacula can read to the correct block */
- Dmsg1(100, "fsr %d\n", block-dev->block_num);
- return dev->fsr(block-dev->block_num);
+ Dmsg1(100, "fsr %d\n", rblock-block_num);
+ return fsr(rblock-block_num);
+ } else {
+ while (rblock > block_num) {
+ if (!read_block_from_dev(dcr, NO_BLOCK_NUMBER_CHECK)) {
+ berrno be;
+ dev_errno = errno;
+ Dmsg2(30, "Failed to find requested block on %s: ERR=%s",
+ print_name(), be.strerror());
+ return false;
+ }
+ Dmsg2(300, "moving forward wanted_blk=%d at_blk=%d\n", rblock, block_num);
+ }
}
return true;
}
/*
* Write an end of file on the device
- * Returns: 0 on success
- * non-zero on failure
+ * Returns: true on success
+ * false on failure
*/
-int
-weof_dev(DEVICE *dev, int num)
+bool DEVICE::weof(int num)
{
struct mtop mt_com;
int stat;
- Dmsg0(29, "weof_dev\n");
+ Dmsg0(129, "weof_dev\n");
- if (dev->fd < 0) {
- dev->dev_errno = EBADF;
- Mmsg0(dev->errmsg, _("Bad call to weof_dev. Device not open\n"));
- Emsg0(M_FATAL, 0, dev->errmsg);
- return -1;
+ if (!is_open()) {
+ dev_errno = EBADF;
+ Mmsg0(errmsg, _("Bad call to weof_dev. Device not open\n"));
+ Emsg0(M_FATAL, 0, errmsg);
+ return false;
}
- dev->file_size = 0;
+ file_size = 0;
- if (!dev->is_tape()) {
- return 0;
+ if (!is_tape()) {
+ return true;
}
- if (!dev->can_append()) {
- Mmsg0(dev->errmsg, _("Attempt to WEOF on non-appendable Volume\n"));
- Emsg0(M_FATAL, 0, dev->errmsg);
- return -1;
+ if (!can_append()) {
+ Mmsg0(errmsg, _("Attempt to WEOF on non-appendable Volume\n"));
+ Emsg0(M_FATAL, 0, errmsg);
+ return false;
}
- dev->state &= ~(ST_EOT | ST_EOF); /* remove EOF/EOT flags */
+ clear_eof();
+ clear_eot();
mt_com.mt_op = MTWEOF;
mt_com.mt_count = num;
- stat = ioctl(dev->fd, MTIOCTOP, (char *)&mt_com);
+ stat = tape_ioctl(fd, MTIOCTOP, (char *)&mt_com);
if (stat == 0) {
- dev->block_num = 0;
- dev->file += num;
- dev->file_addr = 0;
+ block_num = 0;
+ file += num;
+ file_addr = 0;
} else {
berrno be;
- clrerror_dev(dev, MTWEOF);
+ clrerror(MTWEOF);
if (stat == -1) {
- Mmsg2(dev->errmsg, _("ioctl MTWEOF error on %s. ERR=%s.\n"),
- dev->print_name(), be.strerror());
+ Mmsg2(errmsg, _("ioctl MTWEOF error on %s. ERR=%s.\n"),
+ 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
- * loop creating a Segmentation Violation.
- */
-char *
-strerror_dev(DEVICE *dev)
-{
- return dev->errmsg;
+ return stat == 0;
}
* If implemented in system, clear the tape
* error status.
*/
-void
-clrerror_dev(DEVICE *dev, int func)
+void DEVICE::clrerror(int func)
{
const char *msg = NULL;
struct mtget mt_stat;
char buf[100];
- dev->dev_errno = errno; /* save errno */
+ dev_errno = errno; /* save errno */
if (errno == EIO) {
- dev->VolCatInfo.VolCatErrors++;
+ VolCatInfo.VolCatErrors++;
}
- if (!dev->is_tape()) {
+ if (!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;
+ break; /* ignore message printed later */
case MTWEOF:
msg = "WTWEOF";
- dev->capabilities &= ~CAP_EOF; /* turn off feature */
+ capabilities &= ~CAP_EOF; /* turn off feature */
break;
#ifdef MTEOM
case MTEOM:
msg = "WTEOM";
- dev->capabilities &= ~CAP_EOM; /* turn off feature */
+ capabilities &= ~CAP_EOM; /* turn off feature */
break;
#endif
case MTFSF:
msg = "MTFSF";
- dev->capabilities &= ~CAP_FSF; /* turn off feature */
+ capabilities &= ~CAP_FSF; /* turn off feature */
break;
case MTBSF:
msg = "MTBSF";
- dev->capabilities &= ~CAP_BSF; /* turn off feature */
+ capabilities &= ~CAP_BSF; /* turn off feature */
break;
case MTFSR:
msg = "MTFSR";
- dev->capabilities &= ~CAP_FSR; /* turn off feature */
+ capabilities &= ~CAP_FSR; /* turn off feature */
break;
case MTBSR:
msg = "MTBSR";
- dev->capabilities &= ~CAP_BSR; /* turn off feature */
+ capabilities &= ~CAP_BSR; /* turn off feature */
break;
case MTREW:
msg = "MTREW";
msg = "MTSETBLK";
break;
#endif
+#ifdef MTSETDRVBUFFER
+ case MTSETDRVBUFFER:
+ msg = "MTSETDRVBUFFER";
+ break;
+#endif
+#ifdef MTRESET
+ case MTRESET:
+ msg = "MTRESET";
+ break;
+#endif
+
#ifdef MTSETBSIZ
case MTSETBSIZ:
msg = "MTSETBSIZ";
msg = "MTSRSZ";
break;
#endif
+#ifdef MTLOAD
+ case MTLOAD:
+ msg = "MTLOAD";
+ break;
+#endif
+#ifdef MTUNLOCK
+ case MTUNLOCK:
+ msg = "MTUNLOCK";
+ break;
+#endif
+ case MTOFFL:
+ msg = "MTOFFL";
+ break;
default:
- bsnprintf(buf, sizeof(buf), "unknown func code %d", func);
+ bsnprintf(buf, sizeof(buf), _("unknown func code %d"), func);
msg = buf;
break;
}
if (msg != NULL) {
- dev->dev_errno = ENOSYS;
- Mmsg1(dev->errmsg, _("I/O function \"%s\" not supported on this device.\n"), msg);
- Emsg0(M_ERROR, 0, dev->errmsg);
+ dev_errno = ENOSYS;
+ Mmsg1(errmsg, _("I/O function \"%s\" not supported on this device.\n"), msg);
+ Emsg0(M_ERROR, 0, errmsg);
}
}
+
+ /*
+ * Now we try different methods of clearing the error
+ * status on the drive so that it is not locked for
+ * further operations.
+ */
+
/* On some systems such as NetBSD, this clears all errors */
- ioctl(dev->fd, MTIOCGET, (char *)&mt_stat);
+ tape_ioctl(fd, MTIOCGET, (char *)&mt_stat);
/* Found on Linux */
#ifdef MTIOCLRERR
mt_com.mt_op = MTIOCLRERR;
mt_com.mt_count = 1;
/* Clear any error condition on the tape */
- ioctl(dev->fd, MTIOCTOP, (char *)&mt_com);
+ tape_ioctl(fd, MTIOCTOP, (char *)&mt_com);
Dmsg0(200, "Did MTIOCLRERR\n");
}
#endif
/* Typically on FreeBSD */
#ifdef MTIOCERRSTAT
{
+ berrno be;
/* Read and clear SCSI error status */
union mterrstat mt_errstat;
- Dmsg2(200, "Doing MTIOCERRSTAT errno=%d ERR=%s\n", dev->dev_errno,
- strerror(dev->dev_errno));
- ioctl(dev->fd, MTIOCERRSTAT, (char *)&mt_errstat);
+ Dmsg2(200, "Doing MTIOCERRSTAT errno=%d ERR=%s\n", dev_errno,
+ be.strerror(dev_errno));
+ tape_ioctl(fd, MTIOCERRSTAT, (char *)&mt_errstat);
}
#endif
mt_com.mt_op = MTCSE;
mt_com.mt_count = 1;
/* Clear any error condition on the tape */
- ioctl(dev->fd, MTIOCTOP, (char *)&mt_com);
+ tape_ioctl(fd, MTIOCTOP, (char *)&mt_com);
Dmsg0(200, "Did MTCSE\n");
}
#endif
}
/*
- * Flush buffer contents
- * No longer used.
+ * Close the device
*/
-int flush_dev(DEVICE *dev)
-{
- return 1;
-}
-
-static void do_close(DEVICE *dev)
+void DEVICE::close()
{
-
- Dmsg1(29, "really close_dev %s\n", dev->print_name());
- if (dev->fd >= 0) {
- close(dev->fd);
+ Dmsg1(100, "close_dev %s\n", print_name());
+ if (has_cap(CAP_OFFLINEUNMOUNT)) {
+ offline();
}
- if (unmount_dev(dev, 1) < 0) {
- Dmsg1(0, "Cannot unmount device %s.\n", dev->print_name());
+ if (!is_open()) {
+ Dmsg2(100, "device %s already closed vol=%s\n", print_name(),
+ VolHdr.VolumeName);
+ return; /* already closed */
}
-
- /* Remove the last part file if it is empty */
- if (dev->can_append() && (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);
- /* Check that the part file is empty */
- if ((stat(archive_name.c_str(), &statp) == 0) && (statp.st_size == 0)) {
- unlink(archive_name.c_str());
- }
+
+ switch (dev_type) {
+ case B_TAPE_DEV:
+ unlock_door();
+ tape_close(fd);
+ break;
+ default:
+ ::close(fd);
}
-
+
/* 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->part_size = 0;
- dev->part_start = 0;
- dev->EndFile = dev->EndBlock = 0;
- memset(&dev->VolCatInfo, 0, sizeof(dev->VolCatInfo));
- 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;
+ clear_opened();
+ state &= ~(ST_LABEL|ST_READ|ST_APPEND|ST_EOT|ST_WEOT|ST_EOF);
+ label_type = B_BACULA_LABEL;
+ file = block_num = 0;
+ file_size = 0;
+ file_addr = 0;
+ EndFile = EndBlock = 0;
+ openmode = 0;
+ Slot = -1; /* unknown slot */
+ free_volume(this);
+ memset(&VolCatInfo, 0, sizeof(VolCatInfo));
+ memset(&VolHdr, 0, sizeof(VolHdr));
+ if (tid) {
+ stop_thread_timer(tid);
+ tid = 0;
+ }
}
/*
- * Close the device
+ * This call closes the device, but it is used in DVD handling
+ * where we close one part and then open the next part. The
+ * difference between close_part() and close() is that close_part()
+ * saves the state information of the device (e.g. the Volume lable,
+ * the Volume Catalog record, ... This permits opening and closing
+ * the Volume parts multiple times without losing track of what the
+ * main Volume parameters are.
*/
-void DEVICE::close()
+void DEVICE::close_part(DCR *dcr)
+{
+ VOLUME_LABEL saveVolHdr;
+ VOLUME_CAT_INFO saveVolCatInfo; /* Volume Catalog Information */
+
+
+ saveVolHdr = VolHdr; /* structure assignment */
+ saveVolCatInfo = VolCatInfo; /* structure assignment */
+ close(); /* close current part */
+ VolHdr = saveVolHdr; /* structure assignment */
+ VolCatInfo = saveVolCatInfo; /* structure assignment */
+ dcr->VolCatInfo = saveVolCatInfo; /* structure assignment */
+}
+
+boffset_t DEVICE::lseek(DCR *dcr, boffset_t offset, int whence)
{
- /*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--;
- }
-
-#ifdef FULL_DEBUG
- ASSERT(use_count >= 0);
+ switch (dev_type) {
+ case B_DVD_DEV:
+ return lseek_dvd(dcr, offset, whence);
+ case B_FILE_DEV:
+#if defined(HAVE_WIN32)
+ return ::_lseeki64(fd, (__int64)offset, whence);
+#else
+ return ::lseek(fd, (off_t)offset, whence);
#endif
+ }
+ return -1;
}
-bool truncate_dev(DEVICE *dev)
+bool DEVICE::truncate(DCR *dcr) /* We need the DCR for DVD-writing */
{
- Dmsg1(100, "truncate_dev %s\n", dev->print_name());
- if (dev->is_tape()) {
- return true; /* we don't really truncate tapes */
+ Dmsg1(100, "truncate %s\n", print_name());
+ switch (dev_type) {
+ case B_TAPE_DEV:
/* maybe we should rewind and write and eof ???? */
+ return true; /* we don't really truncate tapes */
+ case B_DVD_DEV:
+ return truncate_dvd(dcr);
+ case B_FILE_DEV:
+ /* ***FIXME*** we really need to unlink() the file so that
+ * its name can be changed for a relabel.
+ */
+ if (ftruncate(fd, 0) != 0) {
+ berrno be;
+ Mmsg2(errmsg, _("Unable to truncate device %s. ERR=%s\n"),
+ print_name(), be.strerror());
+ return false;
+ }
+ return true;
}
+ return false;
+}
+
+/* Mount the device.
+ * If timeout, wait until the mount command returns 0.
+ * If !timeout, try to mount the device only once.
+ */
+bool DEVICE::mount(int timeout)
+{
+ Dmsg0(190, "Enter mount\n");
+ if (is_mounted()) {
+ return true;
+ } else if (requires_mount()) {
+ return do_mount(1, timeout);
+ }
+ return true;
+}
+
+/* Unmount the device
+ * If timeout, wait until the unmount command returns 0.
+ * If !timeout, try to unmount the device only once.
+ */
+bool DEVICE::unmount(int timeout)
+{
+ Dmsg0(90, "Enter unmount\n");
+ if (is_mounted()) {
+ return do_mount(0, timeout);
+ }
+ return true;
+}
+
+/* (Un)mount the device */
+bool DEVICE::do_mount(int mount, int dotimeout)
+{
+ POOL_MEM ocmd(PM_FNAME);
+ POOLMEM *results;
+ char *icmd;
+ int status, timeout;
- /* 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) {
+ sm_check(__FILE__, __LINE__, false);
+ if (mount) {
+ if (is_mounted()) {
+ Dmsg0(200, "======= mount=1\n");
+ return true;
+ }
+ icmd = device->mount_command;
+ } else {
+ if (!is_mounted()) {
+ Dmsg0(200, "======= mount=0\n");
+ return true;
+ }
+ icmd = device->unmount_command;
+ }
+
+ clear_freespace_ok();
+ edit_mount_codes(ocmd, icmd);
+
+ Dmsg2(100, "do_mount: cmd=%s mounted=%d\n", ocmd.c_str(), !!is_mounted());
+
+ if (dotimeout) {
+ /* Try at most 1 time to (un)mount the device. This should perhaps be configurable. */
+ timeout = 1;
+ } else {
+ timeout = 0;
+ }
+ results = get_memory(4000);
+ results[0] = 0;
+
+ /* If busy retry each second */
+ Dmsg1(20, "do_mount run_prog=%s\n", ocmd.c_str());
+ while ((status = run_program_full_output(ocmd.c_str(),
+ max_open_wait/2, results)) != 0) {
+ /* Doesn't work with internationalization (This is not a problem) */
+ if (mount && fnmatch("*is already mounted on*", results, 0) == 0) {
+ break;
+ }
+ if (!mount && fnmatch("* not mounted*", results, 0) == 0) {
+ break;
+ }
+ if (timeout-- > 0) {
+ /* Sometimes the device cannot be mounted because it is already mounted.
+ * Try to unmount it, then remount it */
+ if (mount) {
+ Dmsg1(400, "Trying to unmount the device %s...\n", print_name());
+ do_mount(0, 0);
+ }
+ bmicrosleep(1, 0);
+ continue;
+ }
+ if (status != 0) {
+ berrno be;
+ Dmsg5(40, "Device %s cannot be %smounted. stat=%d result=%s ERR=%s\n", print_name(),
+ (mount ? "" : "un"), status, results, be.strerror(status));
+ Mmsg(errmsg, _("Device %s cannot be %smounted. ERR=%s\n"),
+ print_name(), (mount ? "" : "un"), be.strerror(status));
+ } else {
+ Dmsg4(40, "Device %s cannot be %smounted. stat=%d ERR=%s\n", print_name(),
+ (mount ? "" : "un"), status, results);
+ Mmsg(errmsg, _("Device %s cannot be %smounted. ERR=%s\n"),
+ print_name(), (mount ? "" : "un"), results);
+ }
+ /*
+ * Now, just to be sure it is not mounted, try to read the
+ * filesystem.
+ */
+ DIR* dp;
+ struct dirent *entry, *result;
+ int name_max;
+ int count;
+
+ name_max = pathconf(".", _PC_NAME_MAX);
+ if (name_max < 1024) {
+ name_max = 1024;
+ }
+
+ if (!(dp = opendir(device->mount_point))) {
berrno be;
- Mmsg1(dev->errmsg, "Unable to truncate device, because I'm unable to open the first part. ERR=%s\n", be.strerror());
+ dev_errno = errno;
+ Dmsg3(29, "do_mount: failed to open dir %s (dev=%s), ERR=%s\n",
+ device->mount_point, print_name(), be.strerror());
+ goto get_out;
}
+
+ entry = (struct dirent *)malloc(sizeof(struct dirent) + name_max + 1000);
+ count = 0;
+ while (1) {
+ if ((readdir_r(dp, entry, &result) != 0) || (result == NULL)) {
+ dev_errno = EIO;
+ Dmsg2(129, "do_mount: failed to find suitable file in dir %s (dev=%s)\n",
+ device->mount_point, print_name());
+ break;
+ }
+ if ((strcmp(result->d_name, ".")) && (strcmp(result->d_name, "..")) && (strcmp(result->d_name, ".keep"))) {
+ count++; /* result->d_name != ., .. or .keep (Gentoo-specific) */
+ break;
+ } else {
+ Dmsg2(129, "do_mount: ignoring %s in %s\n", result->d_name, device->mount_point);
+ }
+ }
+ free(entry);
+ closedir(dp);
+
+ Dmsg1(29, "do_mount: got %d files in the mount point (not counting ., .. and .keep)\n", count);
+
+ if (count > 0) {
+ /* If we got more than ., .. and .keep */
+ /* there must be something mounted */
+ if (mount) {
+ Dmsg1(100, "Did Mount by count=%d\n", count);
+ break;
+ } else {
+ /* An unmount request. We failed to unmount - report an error */
+ set_mounted(true);
+ free_pool_memory(results);
+ Dmsg0(200, "== error mount=1 wanted unmount\n");
+ return false;
+ }
+ }
+get_out:
+ set_mounted(false);
+ sm_check(__FILE__, __LINE__, false);
+ free_pool_memory(results);
+ Dmsg0(200, "============ mount=0\n");
+ return false;
}
- if (ftruncate(dev->fd, 0) != 0) {
- berrno be;
- Mmsg1(dev->errmsg, _("Unable to truncate device. ERR=%s\n"), be.strerror());
+ set_mounted(mount); /* set/clear mounted flag */
+ free_pool_memory(results);
+ /* Do not check free space when unmounting */
+ if (mount && !update_freespace()) {
return false;
}
+ Dmsg1(200, "============ mount=%d\n", mount);
return true;
}
+/*
+ * Edit codes into (Un)MountCommand, Write(First)PartCommand
+ * %% = %
+ * %a = archive device name
+ * %e = erase (set if cannot mount and first part)
+ * %n = part number
+ * %m = mount point
+ * %v = last part name
+ *
+ * omsg = edited output message
+ * imsg = input string containing edit codes (%x)
+ *
+ */
+void DEVICE::edit_mount_codes(POOL_MEM &omsg, const char *imsg)
+{
+ const char *p;
+ const char *str;
+ char add[20];
+
+ POOL_MEM archive_name(PM_FNAME);
+
+ omsg.c_str()[0] = 0;
+ Dmsg1(800, "edit_mount_codes: %s\n", imsg);
+ for (p=imsg; *p; p++) {
+ if (*p == '%') {
+ switch (*++p) {
+ case '%':
+ str = "%";
+ break;
+ case 'a':
+ str = dev_name;
+ break;
+ case 'e':
+ if (num_dvd_parts == 0) {
+ if (truncating || blank_dvd) {
+ str = "2";
+ } else {
+ str = "1";
+ }
+ } else {
+ str = "0";
+ }
+ break;
+ case 'n':
+ bsnprintf(add, sizeof(add), "%d", part);
+ str = add;
+ break;
+ case 'm':
+ str = device->mount_point;
+ break;
+ case 'v':
+ make_spooled_dvd_filename(this, archive_name);
+ str = archive_name.c_str();
+ break;
+ default:
+ add[0] = '%';
+ add[1] = *p;
+ add[2] = 0;
+ str = add;
+ break;
+ }
+ } else {
+ add[0] = *p;
+ add[1] = 0;
+ str = add;
+ }
+ Dmsg1(1900, "add_str %s\n", str);
+ pm_strcat(omsg, (char *)str);
+ Dmsg1(1800, "omsg=%s\n", omsg.c_str());
+ }
+}
+
+
/* Return the resource name for the device */
const char *DEVICE::name() const
{
return dev->VolCatInfo.VolCatName;
}
-uint32_t dev_block(DEVICE *dev)
-{
- update_pos_dev(dev);
- return dev->block_num;
-}
-
-uint32_t dev_file(DEVICE *dev)
-{
- update_pos_dev(dev);
- return dev->file;
-}
/*
* Free memory allocated for the device
*/
-void
-term_dev(DEVICE *dev)
+void DEVICE::term(void)
{
- if (!dev) {
- dev->dev_errno = EBADF;
- Mmsg0(dev->errmsg, _("Bad call to term_dev. Device not open\n"));
- Emsg0(M_FATAL, 0, dev->errmsg);
- return;
- }
- 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;
- }
- pthread_mutex_destroy(&dev->mutex);
- pthread_cond_destroy(&dev->wait);
- pthread_cond_destroy(&dev->wait_next_vol);
- pthread_mutex_destroy(&dev->spool_mutex);
- rwl_destroy(&dev->lock);
- if (dev->attached_dcrs) {
- delete dev->attached_dcrs;
- dev->attached_dcrs = NULL;
- }
- if (dev->state & ST_MALLOC) {
- free_pool_memory((POOLMEM *)dev);
- }
+ Dmsg1(900, "term dev: %s\n", print_name());
+ close();
+ if (dev_name) {
+ free_memory(dev_name);
+ dev_name = NULL;
+ }
+ if (prt_name) {
+ free_memory(prt_name);
+ prt_name = NULL;
+ }
+ if (errmsg) {
+ free_pool_memory(errmsg);
+ errmsg = NULL;
+ }
+ pthread_mutex_destroy(&mutex);
+ pthread_cond_destroy(&wait);
+ pthread_cond_destroy(&wait_next_vol);
+ pthread_mutex_destroy(&spool_mutex);
+ rwl_destroy(&lock);
+ if (attached_dcrs) {
+ delete attached_dcrs;
+ attached_dcrs = NULL;
+ }
+ if (device) {
+ device->dev = NULL;
+ }
+ free((char *)this);
}
/*
}
-void set_os_device_parameters(DEVICE *dev)
+void set_os_device_parameters(DCR *dcr)
{
-#ifdef HAVE_LINUX_OS
+ DEVICE *dev = dcr->dev;
+
+#if defined(HAVE_LINUX_OS) || defined(HAVE_WIN32)
struct mtop mt_com;
+
+ Dmsg0(050, "In set_os_device_parameters\n");
+#if defined(MTSETBLK)
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);
+ Dmsg0(050, "Set block size to zero\n");
+ if (tape_ioctl(dev->fd, MTIOCTOP, (char *)&mt_com) < 0) {
+ dev->clrerror(MTSETBLK);
}
+ }
+#endif
+#if defined(MTSETDRVBUFFER)
+ if (getpid() == 0) { /* Only root can do this */
mt_com.mt_op = MTSETDRVBUFFER;
mt_com.mt_count = MT_ST_CLEARBOOLEANS;
- if (!dev_cap(dev, CAP_TWOEOF)) {
+ if (!dev->has_cap(CAP_TWOEOF)) {
mt_com.mt_count |= MT_ST_TWO_FM;
}
- if (dev_cap(dev, CAP_EOM)) {
+ if (dev->has_cap(CAP_EOM)) {
mt_com.mt_count |= MT_ST_FAST_MTEOM;
}
- if (ioctl(dev->fd, MTIOCTOP, (char *)&mt_com) < 0) {
- clrerror_dev(dev, MTSETBLK);
+ Dmsg0(050, "MTSETDRVBUFFER\n");
+ if (tape_ioctl(dev->fd, MTIOCTOP, (char *)&mt_com) < 0) {
+ dev->clrerror(MTSETDRVBUFFER);
}
}
+#endif
return;
#endif
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);
+ if (tape_ioctl(dev->fd, MTIOCTOP, (char *)&mt_com) < 0) {
+ dev->clrerror(MTSETBSIZ);
}
/* Get notified at logical end of tape */
mt_com.mt_op = MTEWARN;
mt_com.mt_count = 1;
- if (ioctl(dev->fd, MTIOCTOP, (char *)&mt_com) < 0) {
- clrerror_dev(dev, MTEWARN);
+ if (tape_ioctl(dev->fd, MTIOCTOP, (char *)&mt_com) < 0) {
+ dev->clrerror(MTEWARN);
}
}
return;
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);
+ if (tape_ioctl(dev->fd, MTIOCTOP, (char *)&mt_com) < 0) {
+ dev->clrerror(MTSETBSIZ);
}
}
+/* Turn this on later when fully tested */
+#if defined(xxxMTIOCSETEOTMODEL)
+ uint32_t neof;
+ if (dev_cap(dev, CAP_TWOEOF)) {
+ neof = 2;
+ } else {
+ neof = 1;
+ }
+ if (ioctl(dev->fd, MTIOCSETEOTMODEL, (caddr_t)&neof) < 0) {
+ berrno be;
+ dev->dev_errno = errno; /* save errno */
+ Mmsg2(dev->errmsg, _("Unable to set eotmodel on device %s: ERR=%s\n"),
+ dev->print_name(), be.strerror(dev->dev_errno));
+ Jmsg(dcr->jcr, M_FATAL, 0, dev->errmsg);
+ }
+#endif
return;
#endif
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);
+ if (tape_ioctl(dev->fd, MTIOCTOP, (char *)&mt_com) < 0) {
+ dev->clrerror(MTSRSZ);
}
}
return;
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 &&
+ Dmsg0(050, "dev_get_os_pos\n");
+ return dev->has_cap(CAP_MTIOCGET) &&
+ tape_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)
+{
+ static char buf[100];
+ if (mode < 1 || mode > 4) {
+ bsnprintf(buf, sizeof(buf), "BAD mode=%d", mode);
+ return buf;
+ }
+ return modes[mode-1];
+}
projects / bacula / bacula / blobdiff