*
* 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
+ * 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).
+ * 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
* 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 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.
*/
#include "bacula.h"
#include "stored.h"
+#ifndef O_NONBLOCK
+#define O_NONBLOCK 0
+#endif
+
/* Forward referenced functions */
void set_os_device_parameters(DEVICE *dev);
-int mount_dev(DEVICE* dev, int timeout);
-int unmount_dev(DEVICE* dev, int timeout);
-int write_part(DEVICE *dev);
-char *edit_device_codes_dev(DEVICE* dev, char *omsg, const char *imsg);
-static void get_filename(DEVICE *dev, char *VolName, POOL_MEM& archive_name);
-static void update_free_space_dev(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
*
*/
DEVICE *
-init_dev(DEVICE *dev, DEVRES *device)
+init_dev(JCR *jcr, DEVRES *device)
{
struct stat statp;
- bool tape, fifo;
int errstat;
DCR *dcr = NULL;
-
- /* Check that device is available */
- if (stat(device->device_name, &statp) < 0) {
- berrno be;
- if (dev) {
- dev->dev_errno = errno;
- }
- Jmsg2(NULL, M_FATAL, 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 = false;
- } else if (S_ISCHR(statp.st_mode)) {
- tape = true;
- } else if (S_ISFIFO(statp.st_mode)) {
- fifo = true;
- } else {
- if (dev) {
- dev->dev_errno = ENODEV;
+ DEVICE *dev;
+
+
+ /* 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_FILE_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;
}
- 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);
- 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);
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;
- if (tape) { /* No parts on tapes */
- dev->max_part_size = 0;
- }
- else {
+ dev->autoselect = device->autoselect;
+ dev->dev_type = device->dev_type;
+ if (dev->is_tape()) { /* No parts on tapes */
+ dev->max_part_size = 0;
+ } else {
dev->max_part_size = device->max_part_size;
}
/* Sanity check */
}
dev->device = device;
- 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) {
- berrno be;
- dev->dev_errno = errno;
- Jmsg2(NULL, M_FATAL, 0, _("Unable to stat mount point %s: ERR=%s\n"),
- device->mount_point, be.strerror());
- return NULL;
+ 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(NULL, M_ERROR_TERM, 0, _("Mount and unmount commands must defined for a device which requires mount.\n"));
+ 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(NULL, M_ERROR_TERM, 0, _("Write part command must be defined for a device which requires mount.\n"));
+ 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);
berrno be;
dev->dev_errno = errstat;
Mmsg1(dev->errmsg, _("Unable to init mutex: ERR=%s\n"), be.strerror(errstat));
- Emsg0(M_FATAL, 0, dev->errmsg);
+ 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"), be.strerror(errstat));
- Emsg0(M_ERROR_TERM, 0, dev->errmsg);
+ 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"), be.strerror(errstat));
- Emsg0(M_ERROR_TERM, 0, dev->errmsg);
+ 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"), be.strerror(errstat));
- Emsg0(M_ERROR_TERM, 0, dev->errmsg);
+ 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"), be.strerror(errstat));
- Emsg0(M_ERROR_TERM, 0, dev->errmsg);
+ 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->dev_name);
+ Dmsg2(29, "init_dev: tape=%d dev_name=%s\n", dev->is_tape(), dev->dev_name);
return dev;
}
-/*
- * Write the current volume/part filename to archive_name.
- */
-static void get_filename(DEVICE *dev, char *VolName, POOL_MEM& archive_name)
-{
- char partnumber[20];
-
- if (dev->is_dvd()) {
- /* If we try to open the last part, just open it from disk,
- * otherwise, open it from the spooling directory */
- if (dev->part < dev->num_parts) {
- pm_strcpy(archive_name, dev->device->mount_point);
- } else {
- /* Use the working directory if spool directory is not defined */
- if (dev->device->spool_directory) {
- pm_strcpy(archive_name, dev->device->spool_directory);
- } else {
- pm_strcpy(archive_name, working_directory);
- }
- }
- } else {
- pm_strcpy(archive_name, dev->dev_name);
- }
-
- if (archive_name.c_str()[strlen(archive_name.c_str())-1] != '/') {
- pm_strcat(archive_name, "/");
- }
- pm_strcat(archive_name, VolName);
- /* if part != 0, append .# to the filename (where # is the part number) */
- if (dev->is_dvd() && dev->part != 0) {
- pm_strcat(archive_name, ".");
- bsnprintf(partnumber, sizeof(partnumber), "%d", dev->part);
- pm_strcat(archive_name, partnumber);
- }
-}
-
/*
* Open the device with the operating system and
* initialize buffer pointers.
*
* Returns: -1 on error
- * fd on success
+ * 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
* (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()) {
- /*
- * *****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;
- }
- 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->is_tape() || dev->is_fifo()) {
- dev->file_size = 0;
- 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;
+ int preserve = 0;
+ if (is_open()) {
+ if (openmode == omode) {
+ return fd;
} else {
- Emsg0(M_ABORT, 0, _("Illegal mode given to open_dev.\n"));
- }
- timeout = dev->max_open_wait;
- errno = 0;
- if (dev->is_fifo() && timeout) {
- /* Set open timer */
- dev->tid = start_thread_timer(pthread_self(), timeout);
- }
- /* If busy retry each second for max_open_wait seconds */
- while ((dev->fd = open(dev->dev_name, dev->mode, MODE_RW)) < 0) {
- berrno be;
- if (errno == EINTR || errno == EAGAIN) {
- continue;
- }
- if (errno == EBUSY && timeout-- > 0) {
- Dmsg2(100, "Device %s busy. ERR=%s\n", dev->dev_name, be.strerror());
- bmicrosleep(1, 0);
- continue;
- }
- dev->dev_errno = errno;
- Mmsg2(&dev->errmsg, _("stored: unable to open device %s: ERR=%s\n"),
- dev->dev_name, be.strerror());
- /* 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) {
- 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 */
- }
- /* Stop any open() timer we started */
- if (dev->tid) {
- stop_thread_timer(dev->tid);
- dev->tid = 0;
- }
- Dmsg1(29, "open_dev: tape %d opened\n", dev->fd);
- } else {
- POOL_MEM archive_name(PM_FNAME);
- struct stat filestat;
- /*
- * Handle opening of File Archive (not a tape)
- */
- if (dev->part == 0) {
- dev->file_size = 0;
- }
- 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;
- }
-
- if (VolName == NULL || *VolName == 0) {
- Mmsg(dev->errmsg, _("Could not open file device %s. No Volume name given.\n"),
- dev->dev_name);
- return -1;
- }
- get_filename(dev, VolName, archive_name);
-
- if (dev->is_dvd()) {
- if (mount_dev(dev, 1) < 0) {
- Mmsg(dev->errmsg, _("Could not mount archive device %s.\n"),
- dev->dev_name);
- Emsg0(M_FATAL, 0, dev->errmsg);
- dev->fd = -1;
- return dev->fd;
- }
- }
-
- Dmsg2(29, "open_dev: device is disk %s (mode:%d)\n", archive_name.c_str(), mode);
- dev->openmode = mode;
-
- /*
- * If we are not trying to access the last part, set mode to
- * OPEN_READ_ONLY as writing would be an error.
- */
- if (dev->part < dev->num_parts) {
- mode = OPEN_READ_ONLY;
- }
-
- if (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"));
- }
- /* If creating file, give 0640 permissions */
- if ((dev->fd = open(archive_name.c_str(), dev->mode, 0640)) < 0) {
- berrno be;
- dev->dev_errno = errno;
- Mmsg2(&dev->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) {
- berrno be;
- dev->dev_errno = errno;
- Mmsg2(&dev->errmsg, _("Could not fstat: %s, ERR=%s\n"), archive_name.c_str(), be.strerror());
- Emsg0(M_FATAL, 0, dev->errmsg);
- } else {
- dev->part_size = filestat.st_size;
- }
- }
- Dmsg4(29, "open_dev: disk fd=%d opened, part=%d/%d, part_size=%u\n", 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);
+ ::close(fd); /* use system close so correct mode will be used on open */
+ clear_opened();
+ Dmsg0(100, "Close fd for mode change.\n");
+ preserve = state & (ST_LABEL|ST_APPEND|ST_READ);
}
}
- return dev->fd;
-}
-
-/* (Un)mount the device */
-int do_mount_dev(DEVICE* dev, int mount, int dotimeout) {
- POOL_MEM ocmd(PM_FNAME);
- POOLMEM* results;
- results = get_pool_memory(PM_MESSAGE);
- char* icmd;
- int status, timeout;
-
- if (mount) {
- icmd = dev->device->mount_command;
+ if (dcr) {
+ bstrncpy(VolCatInfo.VolCatName, dcr->VolumeName, sizeof(VolCatInfo.VolCatName));
}
- else {
- icmd = dev->device->unmount_command;
- }
-
- edit_device_codes_dev(dev, ocmd.c_str(), icmd);
-
- Dmsg2(29, "do_mount_dev: cmd=%s state=%d\n", ocmd.c_str(), dev->state & ST_MOUNTED);
- if (dotimeout) {
- /* Try at most 5 times to (un)mount the device. This should perhaps be configurable. */
- timeout = 5;
+ 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);
}
- else {
- timeout = 0;
- }
- /* If busy retry each second */
- while ((status = run_program_full_output(ocmd.c_str(), dev->max_open_wait/2, results)) != 0) {
- if (--timeout > 0) {
- Dmsg2(40, "Device %s cannot be (un)mounted. Retrying... ERR=%s\n", dev->dev_name, results);
- /* Sometimes the device cannot be mounted because it is already mounted.
- * Try to unmount it, then remount it */
- if (mount) {
- Dmsg1(40, "Trying to unmount the device %s...\n", dev->dev_name);
- do_mount_dev(dev, 0, 0);
- }
- bmicrosleep(1, 0);
- continue;
+ state |= preserve; /* reset any important state info */
+ 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 {
+ mode = O_RDWR | O_BINARY;
}
- free_pool_memory(results);
- Dmsg2(40, "Device %s cannot be mounted. ERR=%s\n", dev->dev_name, results);
- return -1;
- }
-
- if (mount) {
- dev->state |= ST_MOUNTED;
- }
- else {
- dev->state &= ~ST_MOUNTED;
+ 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"));
}
- free_pool_memory(results);
-
- Dmsg1(29, "do_mount_dev: end_state=%d\n", dev->state & ST_MOUNTED);
- return 0;
}
-/* Only for devices that requires mount.
- * Try to find the volume name of the loaded device, and open the
- * first part of this volume.
- *
- * Returns 0 if read_dev_volume_label can now read the label,
- * -1 if an error occured, and read_dev_volume_label_guess must abort with an IO_ERROR.
- *
- * To guess the device name, it lists all the files on the DVD, and searches for a
- * file which has a minimum size (500 bytes). If this file has a numeric extension,
- * like part files, try to open the file which has no extension (e.g. the first
- * part file).
- * So, if the DVD does not contains a Bacula volume, a random file is opened,
- * and no valid label could be read from this file.
- *
- * It is useful, so the operator can be told that a wrong volume is mounted, with
- * the label name of the current volume. We can also check that the currently
- * mounted disk is writable. (See also read_dev_volume_label_guess in label.c).
- *
- * Note that if the right volume is mounted, open_guess_name_dev returns the same
- * result as an usual open_dev.
+/*
*/
-int open_guess_name_dev(DEVICE *dev)
+void DEVICE::open_tape_device(DCR *dcr, int omode)
{
- Dmsg1(29, "open_guess_name_dev: dev=%s\n", dev->dev_name);
- POOL_MEM guessedname(PM_FNAME);
- DIR* dp;
- struct dirent *entry, *result;
- struct stat statp;
- int index;
- int name_max;
-
- if (!dev->is_dvd()) {
- Dmsg1(100, "open_guess_name_dev: device does not require mount, returning 0. dev=%s\n", dev->dev_name);
- return 0;
- }
-
-#ifndef HAVE_DIRENT_H
- Dmsg0(29, "open_guess_name_dev: readdir not available, cannot guess volume name\n");
- return 0;
-#endif
-
- update_free_space_dev(dev);
+ file_size = 0;
+ int timeout;
+ int nonblocking = O_NONBLOCK;
+ Dmsg0(29, "open dev: device is tape\n");
- if (mount_dev(dev, 1) < 0) {
- /* If the device cannot be mounted, check if it is writable */
- if (dev->free_space_errno >= 0) {
- Dmsg1(100, "open_guess_name_dev: device cannot be mounted, but it seems to be writable, returning 0. dev=%s\n", dev->dev_name);
- return 0;
- } else {
- Dmsg1(100, "open_guess_name_dev: device cannot be mounted, and is not writable, returning 0. dev=%s\n", dev->dev_name);
- /* read_dev_volume_label_guess must now check dev->free_space_errno to understand that the media is not writable. */
- return 0;
- }
+ if (is_autochanger()) {
+ get_autochanger_loaded_slot(dcr);
}
-
- name_max = pathconf(".", _PC_NAME_MAX);
- if (name_max < 1024) {
- name_max = 1024;
+
+ set_mode(omode);
+ timeout = max_open_wait;
+ errno = 0;
+ if (is_fifo() && timeout) {
+ /* Set open timer */
+ tid = start_thread_timer(pthread_self(), timeout);
}
-
- if (!(dp = opendir(dev->device->mount_point))) {
+ /* 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)) < 0) {
berrno be;
- dev->dev_errno = errno;
- Dmsg3(29, "open_guess_name_dev: failed to open dir %s (dev=%s), ERR=%s\n", dev->device->mount_point, dev->dev_name, be.strerror());
- return -1;
- }
-
- entry = (struct dirent *)malloc(sizeof(struct dirent) + name_max + 100);
- while (1) {
- if ((readdir_r(dp, entry, &result) != 0) || (result == NULL)) {
- dev->dev_errno = ENOENT;
- Dmsg2(29, "open_guess_name_dev: failed to find suitable file in dir %s (dev=%s)\n", dev->device->mount_point, dev->dev_name);
- closedir(dp);
- return -1;
- }
-
- ASSERT(name_max+1 > (int)sizeof(struct dirent) + (int)NAMELEN(entry));
-
- if (strcmp(entry->d_name, ".") == 0 || strcmp(entry->d_name, "..") == 0) {
- continue;
- }
-
- pm_strcpy(guessedname, dev->device->mount_point);
- if (guessedname.c_str()[strlen(guessedname.c_str())-1] != '/') {
- pm_strcat(guessedname, "/");
- }
- pm_strcat(guessedname, entry->d_name);
-
- if (stat(guessedname.c_str(), &statp) < 0) {
- berrno be;
- Dmsg3(29, "open_guess_name_dev: failed to stat %s (dev=%s), ERR=%s\n",
- guessedname.c_str(), dev->dev_name, be.strerror());
- continue;
- }
-
- if (!S_ISREG(statp.st_mode) || (statp.st_size < 500)) {
- Dmsg2(100, "open_guess_name_dev: %s is not a regular file, or less than 500 bytes (dev=%s)\n",
- guessedname.c_str(), dev->dev_name);
- continue;
- }
-
- /* Ok, we found a good file, remove the part extension if possible. */
- for (index = strlen(guessedname.c_str())-1; index >= 0; index--) {
- if ((guessedname.c_str()[index] == '/') ||
- (guessedname.c_str()[index] < '0') ||
- (guessedname.c_str()[index] > '9')) {
- break;
- }
- if (guessedname.c_str()[index] == '.') {
- guessedname.c_str()[index] = '\0';
- break;
- }
- }
-
- if ((stat(guessedname.c_str(), &statp) < 0) || (statp.st_size < 500)) {
- /* The file with extension truncated does not exists or is too small, so use it with its extension. */
- berrno be;
- Dmsg3(100, "open_guess_name_dev: failed to stat %s (dev=%s), using the file with its extension, ERR=%s\n",
- guessedname.c_str(), dev->dev_name, be.strerror());
- pm_strcpy(guessedname, dev->device->mount_point);
- if (guessedname.c_str()[strlen(guessedname.c_str())-1] != '/') {
- pm_strcat(guessedname, "/");
- }
- pm_strcat(guessedname, entry->d_name);
- continue;
- }
+ dev_errno = errno;
+ Dmsg5(050, "Open omode=%d mode=%x nonblock=%d error errno=%d ERR=%s\n",
+ omode, mode, nonblocking, errno, be.strerror());
+ if (dev_errno == EINTR || dev_errno == EAGAIN) {
+ Dmsg0(100, "Continue open\n");
+ continue;
+ }
+ /* Busy wait for specified time (default = 5 mins) */
+ if (dev_errno == EBUSY && timeout-- > 0) {
+ Dmsg2(100, "Device %s busy. ERR=%s\n", print_name(), be.strerror());
+ bmicrosleep(1, 0);
+ continue;
+ }
+ 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;
+ }
+ Jmsg0(dcr->jcr, M_FATAL, 0, errmsg);
break;
}
-
- closedir(dp);
-
- if (dev->fd >= 0) {
- close(dev->fd);
- }
-
- if ((dev->fd = open(guessedname.c_str(), O_RDONLY | O_BINARY)) < 0) {
- berrno be;
- dev->dev_errno = errno;
- Dmsg3(29, "open_guess_name_dev: failed to open %s (dev=%s), ERR=%s\n",
- guessedname.c_str(), dev->dev_name, be.strerror());
- if (open_first_part(dev) < 0) {
- berrno be;
- dev->dev_errno = errno;
- Mmsg1(&dev->errmsg, _("Could not open_first_part, ERR=%s\n"), be.strerror());
- Emsg0(M_FATAL, 0, dev->errmsg);
- }
- return -1;
- }
- dev->part_start = 0;
- dev->part_size = statp.st_size;
- dev->part = 0;
- dev->state |= ST_OPENED;
- dev->use_count = 1;
-
- Dmsg2(29, "open_guess_name_dev: %s opened (dev=%s)\n", guessedname.c_str(), dev->dev_name);
-
- return 0;
-}
-/* Mount the device.
- * If timeout, wait until the mount command returns 0.
- * If !timeout, try to mount the device only once.
- */
-int mount_dev(DEVICE* dev, int timeout)
-{
- if (dev->state & ST_MOUNTED) {
- Dmsg0(100, "mount_dev: Device already mounted\n");
- return 0;
+ if (fd >= 0) {
+ openmode = omode; /* save open mode */
+ set_blocking();
+ Dmsg2(100, "openmode=%d %s\n", openmode, mode_to_str(openmode));
+ dev_errno = 0;
+ update_pos_dev(this); /* update position */
+ set_os_device_parameters(this); /* do system dependent stuff */
} else {
- return do_mount_dev(dev, 1, timeout);
+ clear_opened();
}
+
+ /* Stop any open() timer we started */
+ if (tid) {
+ stop_thread_timer(tid);
+ tid = 0;
+ }
+ Dmsg1(29, "open dev: tape %d opened\n", fd);
}
-/* Unmount the device
- * If timeout, wait until the unmount command returns 0.
- * If !timeout, try to unmount the device only once.
- */
-int unmount_dev(DEVICE* dev, int timeout)
+void DEVICE::set_blocking()
{
- if (dev->state & ST_MOUNTED) {
- return do_mount_dev(dev, 0, timeout);
- } else {
- Dmsg0(100, "mount_dev: Device already unmounted\n");
- return 0;
+ int oflags;
+ /* Try to reset blocking */
+#ifdef xxx
+ 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);
+ Dmsg2(100, "fcntl error. ERR=%s. Close-reopen fd=%d\n", be.strerror(), fd);
+ }
+#endif
+ oflags = fcntl(fd, F_GETFL, 0);
+ if (oflags > 0 && (oflags & O_NONBLOCK)) {
+ fcntl(fd, F_SETFL, oflags & ~O_NONBLOCK);
}
}
-/* Update the free space on the device */
-static void update_free_space_dev(DEVICE* dev)
+/*
+ * Open a file device
+ */
+void DEVICE::open_file_device(int omode)
{
- POOL_MEM ocmd(PM_FNAME);
- POOLMEM* results;
- char* icmd;
- int timeout;
- long long int free;
-
- icmd = dev->device->free_space_command;
-
- if (!icmd) {
- dev->free_space = 0;
- dev->free_space_errno = 0;
- Dmsg2(29, "update_free_space_dev: free_space=%d, free_space_errno=%d (!icmd)\n", dev->free_space, dev->free_space_errno);
- return;
- }
-
- edit_device_codes_dev(dev, ocmd.c_str(), icmd);
-
- Dmsg1(29, "update_free_space_dev: cmd=%s\n", ocmd.c_str());
+ POOL_MEM archive_name(PM_FNAME);
- results = get_pool_memory(PM_MESSAGE);
-
- /* Try at most 3 times to get the free space on the device. This should perhaps be configurable. */
- timeout = 3;
-
- while (1) {
- char ed1[50];
- if (run_program_full_output(ocmd.c_str(), dev->max_open_wait/2, results) == 0) {
- Dmsg1(100, "Free space program run : %s\n", results);
- free = str_to_int64(results);
- if (free >= 0) {
- dev->free_space = free;
- dev->free_space_errno = 1;
- Mmsg0(dev->errmsg, "");
- break;
- }
- }
- dev->free_space = 0;
- dev->free_space_errno = -EPIPE;
- Mmsg1(dev->errmsg, "Cannot run free space command (%s)\n", results);
-
- if (--timeout > 0) {
- Dmsg4(40, "Cannot get free space on device %s. free_space=%s, "
- "free_space_errno=%d ERR=%s\n", dev->dev_name,
- edit_uint64(dev->free_space, ed1), dev->free_space_errno,
- dev->errmsg);
- bmicrosleep(1, 0);
- continue;
+ /*
+ * Handle opening of File Archive (not a tape)
+ */
+
+ pm_strcpy(archive_name, dev_name);
+ /*
+ * If this is a virtual autochanger (i.e. changer_res != NULL)
+ * we simply use the deviced 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;
}
- dev->dev_errno = -dev->free_space_errno;
- Dmsg4(40, "Cannot get free space on device %s. free_space=%s, "
- "free_space_errno=%d ERR=%s\n",
- dev->dev_name, edit_uint64(dev->free_space, ed1),
- dev->free_space_errno, dev->errmsg);
- break;
+ if (archive_name.c_str()[strlen(archive_name.c_str())-1] != '/') {
+ pm_strcat(archive_name, "/");
+ }
+ pm_strcat(archive_name, VolCatInfo.VolCatName);
}
-
- free_pool_memory(results);
- Dmsg2(29, "update_free_space_dev: free_space=%lld, free_space_errno=%d\n", dev->free_space, dev->free_space_errno);
- return;
-}
-int write_part(DEVICE *dev)
-{
- Dmsg1(29, "write_part: device is %s\n", dev->dev_name);
-
- if (unmount_dev(dev, 1) < 0) {
- Dmsg0(29, "write_part: unable to unmount the device\n");
- }
-
- POOL_MEM ocmd(PM_FNAME);
- POOLMEM *results;
- results = get_pool_memory(PM_MESSAGE);
- char* icmd;
- int status;
- int timeout;
+
+ 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));
- icmd = dev->device->write_part_command;
-
- edit_device_codes_dev(dev, ocmd.c_str(), icmd);
-
- /* Wait at most the time a maximum size part is written in DVD 0.5x speed
- * FIXME: Minimum speed should be in device configuration
- */
- timeout = dev->max_open_wait + (dev->max_part_size/(1350*1024/2));
-
- Dmsg2(29, "write_part: cmd=%s timeout=%d\n", ocmd.c_str(), timeout);
-
- status = run_program_full_output(ocmd.c_str(), timeout, results);
- if (status != 0) {
- Mmsg1(dev->errmsg, "Error while writing current part to the DVD: %s", results);
- dev->dev_errno = EIO;
- free_pool_memory(results);
- return -1;
- }
- else {
- Dmsg1(29, "write_part: command output=%s\n", results);
- POOL_MEM archive_name(PM_FNAME);
- get_filename(dev, dev->VolCatInfo.VolCatName, archive_name);
- unlink(archive_name.c_str());
- free_pool_memory(results);
- return 0;
+ set_mode(omode);
+ /* If creating file, give 0640 permissions */
+ Dmsg3(29, "mode=%s open(%s, 0x%x, 0640)\n", mode_to_str(omode),
+ archive_name.c_str(), mode);
+ /* Use system open() */
+ if ((fd = ::open(archive_name.c_str(), mode, 0640)) < 0) {
+ berrno be;
+ dev_errno = errno;
+ Mmsg2(errmsg, _("Could not open: %s, ERR=%s\n"), archive_name.c_str(),
+ be.strerror());
+ Dmsg1(29, "open failed: %s", errmsg);
+ Emsg0(M_FATAL, 0, errmsg);
+ } else {
+ dev_errno = 0;
+ 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 the next part file.
- * - Close the fd
- * - Increment part number
- * - Reopen the device
+/*
+ * 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.
*/
-int open_next_part(DEVICE *dev) {
- int state;
-
- Dmsg3(29, "open_next_part %s %s %d\n", dev->dev_name, dev->VolCatInfo.VolCatName, dev->openmode);
- /* When appending, do not open a new part if the current is empty */
- if (dev->can_append() && (dev->part == dev->num_parts) &&
- (dev->part_size == 0)) {
- Dmsg0(29, "open_next_part exited immediately (dev->part_size == 0).\n");
- return dev->fd;
+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());
+ clear_opened();
+ return;
}
-
- if (dev->fd >= 0) {
- close(dev->fd);
+
+ if (part == 0) {
+ file_size = 0;
}
-
- dev->fd = -1;
-
- state = dev->state;
- dev->state &= ~ST_OPENED;
-
- if (dev->is_dvd() && (dev->part == dev->num_parts) && dev->can_append()) {
- if (write_part(dev) < 0) {
- return -1;
- }
+ 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;
}
-
- dev->part_start += dev->part_size;
- dev->part++;
-
- if ((dev->num_parts < dev->part) && (dev->state & ST_APPEND)) {
- dev->num_parts = dev->part;
-
- /* Check that the next part file does not exists.
- * If it does, move it away... */
- POOL_MEM archive_name(PM_FNAME);
- POOL_MEM archive_bkp_name(PM_FNAME);
- struct stat buf;
-
- get_filename(dev, dev->VolCatInfo.VolCatName, archive_name);
-
- /* Check if the next part exists. */
- if ((stat(archive_name.c_str(), &buf) == 0) || (errno != ENOENT)) {
- Dmsg1(29, "open_next_part %s is in the way, moving it away...\n", archive_name.c_str());
- pm_strcpy(archive_bkp_name, archive_name.c_str());
- pm_strcat(archive_bkp_name, ".bak");
- unlink(archive_bkp_name.c_str());
-
- /* First try to rename it */
- if (rename(archive_name.c_str(), archive_bkp_name.c_str()) < 0) {
- berrno be;
- Dmsg3(29, "open_next_part can't rename %s to %s, ERR=%s\n",
- archive_name.c_str(), archive_bkp_name.c_str(), be.strerror());
- /* Then try to unlink it */
- if (unlink(archive_name.c_str()) < 0) {
- berrno be;
- dev->dev_errno = errno;
- Mmsg2(&dev->errmsg, _("open_next_part can't unlink existing part %s, ERR=%s\n"),
- archive_name.c_str(), be.strerror());
- Emsg0(M_FATAL, 0, dev->errmsg);
- return -1;
- }
- }
+
+ 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. */
+ clear_opened();
+ return;
+ }
}
}
-
- if (open_dev(dev, dev->VolCatInfo.VolCatName, dev->openmode) < 0) {
- return -1;
- } else {
- dev->state = state;
- return dev->fd;
- }
-}
-
-/* Open the first part file.
- * - Close the fd
- * - Reopen the device
- */
-int open_first_part(DEVICE *dev) {
- int state;
-
- Dmsg3(29, "open_first_part %s %s %d\n", dev->dev_name, dev->VolCatInfo.VolCatName, dev->openmode);
- if (dev->fd >= 0) {
- close(dev->fd);
+ 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);
+ clear_opened();
+ return;
+ }
+ }
+ else {
+ Mmsg(errmsg, _("Could not mount device %s.\n"), print_name());
+ Emsg0(M_FATAL, 0, errmsg);
+ clear_opened();
+ return;
+ }
}
- dev->fd = -1;
- state = dev->state;
- dev->state &= ~ST_OPENED;
-
- dev->part_start = 0;
- dev->part = 0;
+ 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 (open_dev(dev, dev->VolCatInfo.VolCatName, dev->openmode)) {
- dev->state = state;
- return dev->fd;
- } else {
- return 0;
+ /*
+ * 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);
}
-}
-
-#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
-
-/* Protected version of lseek, which opens the right part if necessary */
-off_t lseek_dev(DEVICE *dev, off_t offset, int whence)
-{
- int pos, openmode;
-
- if (dev->num_parts == 0) { /* If there is only one part, simply call lseek. */
- return lseek(dev->fd, offset, whence);
+ 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);
- switch(whence) {
- case SEEK_SET:
- Dmsg1(100, "lseek_dev SEEK_SET called %d\n", offset);
- if ((uint64_t)offset >= dev->part_start) {
- if ((uint64_t)(offset - dev->part_start) < dev->part_size) {
- /* We are staying in the current part, just seek */
- if ((pos = lseek(dev->fd, (off_t)(offset-dev->part_start), SEEK_SET)) < 0) {
- return pos;
- } else {
- return pos + dev->part_start;
- }
- } else {
- /* Load next part, and start again */
- if (open_next_part(dev) < 0) {
- Dmsg0(100, "lseek_dev failed while trying to open the next part\n");
- return -1;
- }
- return lseek_dev(dev, offset, SEEK_SET);
- }
- } else {
- /* pos < dev->part_start :
- * We need to access a previous part,
- * so just load the first one, and seek again
- * until the right one is loaded */
- if (open_first_part(dev) < 0) {
- Dmsg0(100, "lseek_dev failed while trying to open the first part\n");
- return -1;
- }
- return lseek_dev(dev, offset, SEEK_SET);
- }
- break;
- case SEEK_CUR:
- Dmsg1(100, "lseek_dev SEEK_CUR called %d\n", offset);
- if ((pos = lseek(dev->fd, (off_t)0, SEEK_CUR)) < 0) {
- return pos;
- }
- pos += dev->part_start;
- if (offset == 0) {
- return pos;
- }
- else { /* Not used in Bacula, but should work */
- return lseek_dev(dev, pos, SEEK_SET);
- }
- break;
- case SEEK_END:
- Dmsg1(100, "lseek_dev SEEK_END called %d\n", offset);
- if (offset > 0) { /* Not used by bacula */
- Dmsg1(100, "lseek_dev SEEK_END called with an invalid offset %d\n", offset);
- errno = EINVAL;
- return -1;
+ 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 (dev->part == dev->num_parts) { /* The right part is already loaded */
- if ((pos = lseek(dev->fd, (off_t)0, SEEK_END)) < 0) {
- return pos;
- } else {
- return pos + dev->part_start;
- }
+ /* 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);
+ clear_opened();
} else {
- /* Load the first part, then load the next until we reach the last one.
- * This is the only way to be sure we compute the right file address. */
- /* Save previous openmode, and open all but last part read-only (useful for DVDs) */
- openmode = dev->openmode;
- dev->openmode = OPEN_READ_ONLY;
-
- /* Works because num_parts > 0. */
- if (open_first_part(dev) < 0) {
- Dmsg0(100, "lseek_dev failed while trying to open the first part\n");
- return -1;
- }
- while (dev->part < (dev->num_parts-1)) {
- if (open_next_part(dev) < 0) {
- Dmsg0(100, "lseek_dev failed while trying to open the next part\n");
- return -1;
- }
- }
- dev->openmode = openmode;
- if (open_next_part(dev) < 0) {
- Dmsg0(100, "lseek_dev failed while trying to open the next part\n");
- return -1;
- }
- return lseek_dev(dev, 0, SEEK_END);
+ part_size = filestat.st_size;
+ dev_errno = 0;
+ 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++;
+ }
+ }*/
}
- break;
- default:
- errno = EINVAL;
- return -1;
}
}
+
/*
* Rewind the device.
* Returns: true on success
- * false on failure
+ * 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->dev_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_ABORT, 0, dev->errmsg);
+ Dmsg3(29, "rewind res=%d fd=%d %s\n", reserved_device, fd, print_name());
+ 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()) {
+ state &= ~(ST_EOT|ST_EOF|ST_WEOT); /* remove EOF/EOT flags */
+ block_num = file = 0;
+ file_size = 0;
+ file_addr = 0;
+ 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) {
- berrno be;
- clrerror_dev(dev, MTREW);
- if (i == dev->max_rewind_wait) {
+ for (i=max_rewind_wait; ; i -= 5) {
+ if (ioctl(fd, MTIOCTOP, (char *)&mt_com) < 0) {
+ berrno be;
+ clrerror_dev(this, 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;
+ ::close(fd);
+ clear_opened();
+ open(dcr, open_mode);
+ if (fd < 0) {
+ return false;
+ }
+ first = false;
+ continue;
+ }
+ 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->dev_name, be.strerror());
- return false;
- }
- break;
- }
- } 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->dev_name, be.strerror());
- return false;
+ bmicrosleep(5, 0);
+ continue;
+ }
+ Mmsg2(errmsg, _("Rewind error on %s. ERR=%s.\n"),
+ print_name(), be.strerror());
+ return false;
+ }
+ break;
+ }
+ } else if (is_file()) {
+ if (lseek_dev(this, (off_t)0, SEEK_SET) < 0) {
+ berrno be;
+ dev_errno = errno;
+ Mmsg2(errmsg, _("lseek_dev error on %s. ERR=%s.\n"),
+ print_name(), be.strerror());
+ return false;
}
}
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;
+ if (dev->is_fifo() || dev->is_prog()) {
+ return true;
}
- if (!(dev->is_tape())) {
+ 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;
berrno be;
- Mmsg2(&dev->errmsg, _("lseek_dev error on %s. ERR=%s.\n"),
- dev->dev_name, be.strerror());
- return 0;
+ 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_MTIOCGET) && dev_cap(dev, CAP_FASTFSF) &&
- !dev_cap(dev, CAP_EOM)) {
- struct mtget mt_stat;
+ if (dev_cap(dev, CAP_FASTFSF) && !dev_cap(dev, CAP_EOM)) {
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 (!dev->rewind(NULL)) {
+ return false;
+ }
}
mt_com.mt_op = MTFSF;
/*
*/
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_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;
+ mt_com.mt_op = MTEOM;
+ mt_com.mt_count = 1;
}
- if ((stat=ioctl(dev->fd, MTIOCTOP, (char *)&mt_com)) < 0) {
- berrno be;
- clrerror_dev(dev, mt_com.mt_op);
+ 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->dev_name, be.strerror());
- return 0;
+ update_pos_dev(dev);
+ Mmsg2(dev->errmsg, _("ioctl MTEOM error on %s. ERR=%s.\n"),
+ dev->print_name(), be.strerror());
+ return false;
}
- if (ioctl(dev->fd, MTIOCGET, (char *)&mt_stat) < 0) {
- berrno be;
- clrerror_dev(dev, -1);
- Mmsg2(&dev->errmsg, _("ioctl MTIOCGET error on %s. ERR=%s.\n"),
- dev->dev_name, be.strerror());
- return 0;
+ 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
- if (!rewind_dev(dev)) {
- return 0;
+ /*
+ * Rewind then use FSF until EOT reached
+ */
+ if (!dev->rewind(NULL)) {
+ 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 (dev_cap(dev, CAP_MTIOCGET) && ioctl(dev->fd, MTIOCGET, (char *)&mt_stat) == 0 &&
- mt_stat.mt_fileno >= 0) {
+ 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;
- }
- stat = 0;
- break; /* we are not progressing, bail out */
- }
+ 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 (dev_cap(dev, CAP_MTIOCGET) && ioctl(dev->fd, MTIOCGET, (char *)&mt_stat) == 0 && mt_stat.mt_fileno >= 0) {
+ 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;
+ 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;
}
dev->file_addr = 0;
pos = lseek_dev(dev, (off_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->dev_name, be.strerror());
- 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;
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->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) {
- berrno be;
- dev->dev_errno = errno;
- Mmsg2(&dev->errmsg, _("ioctl MTIOCGET error on %s. ERR=%s.\n"),
- dev->dev_name, be.strerror());
- 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 */
if (dev_cap(dev, CAP_MTIOCGET)) {
- Dmsg2(-20, " file=%d block=%d\n", mt_stat.mt_fileno, mt_stat.mt_blkno);
+ Pmsg2(-20, _(" file=%d block=%d\n"), mt_stat.mt_fileno, mt_stat.mt_blkno);
} else {
- Dmsg2(-20, " file=%d block=%d\n", -1, -1);
+ 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;
}
#ifndef MTLOAD
Dmsg0(200, "stored: MTLOAD command not available\n");
berrno be;
- dev->dev_errno = ENOTTY; /* function not available */
- Mmsg2(&dev->errmsg, _("ioctl MTLOAD error on %s. ERR=%s.\n"),
- dev->dev_name, be.strerror());
+ 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
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, be.strerror());
+ 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->is_tape())) {
- return true;
+ if (!dev || dev->fd < 0 || !dev->is_tape()) {
+ return true; /* device not open */
}
dev->state &= ~(ST_APPEND|ST_READ|ST_EOT|ST_EOF|ST_WEOT); /* remove EOF/EOT flags */
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, be.strerror());
+ 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);
+ Dmsg1(100, "Offlined device %s\n", dev->print_name());
return true;
}
* done, all future references to the drive get and I/O error.
*/
clrerror_dev(dev, MTREW);
- return rewind_dev(dev);
+ return dev->rewind(NULL);
}
}
/*
* 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->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->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(100, "fsf_dev\n");
- dev->block_num = 0;
+ Dmsg0(100, "fsf\n");
+ block_num = 0;
/*
* If Fast forward space file is set, then we
* use MTFSF to forward space and MTIOCGET
* the SCSI driver will ensure that we do not
* forward space past the end of the medium.
*/
- if (dev_cap(dev, CAP_FSF) && dev_cap(dev, CAP_MTIOCGET) && dev_cap(dev, CAP_FASTFSF)) {
+ if (dev_cap(this, CAP_FSF) && dev_cap(this, CAP_MTIOCGET) && dev_cap(this, CAP_FASTFSF)) {
mt_com.mt_op = MTFSF;
mt_com.mt_count = num;
- stat = ioctl(dev->fd, MTIOCTOP, (char *)&mt_com);
- if (stat < 0 || ioctl(dev->fd, MTIOCGET, (char *)&mt_stat) < 0) {
- berrno be;
- 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, be.strerror());
- 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;
- dev->file_size = 0;
+ set_ateof();
+ file = mt_stat.mt_fileno;
return true;
/*
* is the only way we can be sure that we don't read
* two consecutive EOF marks, which means End of Data.
*/
- } else if (dev_cap(dev, CAP_FSF)) {
+ } else if (dev_cap(this, CAP_FSF)) {
POOLMEM *rbuf;
int rbuf_len;
Dmsg0(200, "FSF has cap_fsf\n");
- if (dev->max_block_size == 0) {
- 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)) {
+ while (num-- && !at_eot()) {
Dmsg0(100, "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 {
- berrno be;
- dev->state |= ST_EOT;
- clrerror_dev(dev, -1);
- Dmsg2(100, "Set ST_EOT read errno=%d. ERR=%s\n", dev->dev_errno,
- be.strerror());
- Mmsg2(dev->errmsg, _("read error on %s. ERR=%s.\n"),
- dev->dev_name, be.strerror());
- Dmsg1(100, "%s", dev->errmsg);
- break;
- }
- }
- if (stat == 0) { /* EOF */
- update_pos_dev(dev);
- Dmsg1(100, "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;
+ 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 {
- dev->state |= ST_EOF;
- dev->file++;
- dev->file_addr = 0;
- dev->file_size = 0;
- continue;
- }
- } else { /* Got data */
- dev->state &= ~(ST_EOF|ST_EOT);
- }
+ break;
+ } else {
+ set_ateof();
+ continue;
+ }
+ } else { /* Got data */
+ clear_eot();
+ clear_eof();
+ }
Dmsg0(100, "Doing MTFSF\n");
- stat = ioctl(dev->fd, MTIOCTOP, (char *)&mt_com);
- if (stat < 0) { /* error => EOT */
- berrno be;
- dev->state |= ST_EOT;
+ stat = ioctl(fd, MTIOCTOP, (char *)&mt_com);
+ if (stat < 0) { /* error => EOT */
+ berrno be;
+ set_eot();
Dmsg0(100, "Set ST_EOT\n");
- clrerror_dev(dev, MTFSF);
- Mmsg2(&dev->errmsg, _("ioctl MTFSF error on %s. ERR=%s.\n"),
- dev->dev_name, be.strerror());
+ clrerror_dev(this, MTFSF);
+ Mmsg2(errmsg, _("ioctl MTFSF error on %s. ERR=%s.\n"),
+ print_name(), be.strerror());
Dmsg0(100, "Got < 0 for MTFSF\n");
- Dmsg1(100, "%s", dev->errmsg);
- } else {
- dev->state |= ST_EOF; /* just read EOF */
- dev->file++;
- dev->file_addr = 0;
- dev->file_size = 0;
- }
+ Dmsg1(100, "%s", errmsg);
+ } else {
+ set_ateof();
+ }
}
free_memory(rbuf);
*/
} 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
* Returns: false on failure
- * true on success
+ * true on success
*/
bool
bsf_dev(DEVICE *dev, int num)
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->is_tape()) {
Mmsg1(dev->errmsg, _("Device %s cannot BSF because it is not a tape.\n"),
- dev->dev_name);
+ dev->print_name());
return false;
}
Dmsg0(29, "bsf_dev\n");
berrno be;
clrerror_dev(dev, MTBSF);
Mmsg2(dev->errmsg, _("ioctl MTBSF error on %s. ERR=%s.\n"),
- dev->dev_name, be.strerror());
+ 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->is_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;
}
- Dmsg1(29, "fsr_dev %d\n", num);
+ 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;
- clrerror_dev(dev, MTFSR);
+ clrerror_dev(this, MTFSR);
Dmsg1(100, "FSF fail: ERR=%s\n", be.strerror());
- if (dev_cap(dev, CAP_MTIOCGET) && 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;
+ 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;
- dev->file_size = 0;
- }
+ if (at_eof()) {
+ set_eot();
+ } else {
+ set_ateof();
+ }
}
- Mmsg2(dev->errmsg, _("ioctl MTFSR error on %s. ERR=%s.\n"),
- dev->dev_name, be.strerror());
+ 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)
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_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;
}
berrno be;
clrerror_dev(dev, MTBSR);
Mmsg2(dev->errmsg, _("ioctl MTBSR error on %s. ERR=%s.\n"),
- dev->dev_name, be.strerror());
+ 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->is_tape()) {
- off_t pos = (((off_t)file)<<32) + block;
+ off_t pos = (((off_t)file)<<32) + (off_t)block;
Dmsg1(100, "===== lseek_dev to %d\n", (int)pos);
if (lseek_dev(dev, pos, SEEK_SET) == (off_t)-1) {
- berrno be;
- dev->dev_errno = errno;
+ berrno be;
+ dev->dev_errno = errno;
Mmsg2(dev->errmsg, _("lseek_dev error on %s. ERR=%s.\n"),
- dev->dev_name, be.strerror());
- return false;
+ dev->print_name(), be.strerror());
+ return false;
}
dev->file = file;
dev->block_num = block;
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;
+ Dmsg0(100, "Rewind\n");
+ if (!dev->rewind(NULL)) {
+ return false;
}
}
if (file > dev->file) {
Dmsg1(100, "fsf %d\n", file-dev->file);
- if (!fsf_dev(dev, file-dev->file)) {
+ if (!dev->fsf(file-dev->file)) {
Dmsg1(100, "fsf failed! ERR=%s\n", strerror_dev(dev));
- return false;
+ return false;
}
Dmsg2(100, "wanted_file=%d at_file=%d\n", file, dev->file);
}
Dmsg0(100, "bsf_dev 1\n");
bsf_dev(dev, 1);
Dmsg0(100, "fsf_dev 1\n");
- fsf_dev(dev, 1);
+ dev->fsf(1);
Dmsg2(100, "wanted_blk=%d at_blk=%d\n", block, dev->block_num);
}
if (dev_cap(dev, CAP_POSITIONBLOCKS) && block > dev->block_num) {
/* 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 true;
}
/*
* Write an end of file on the device
* Returns: 0 on success
- * non-zero on failure
+ * non-zero on failure
*/
int
weof_dev(DEVICE *dev, int num)
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;
}
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 */
mt_com.mt_op = MTWEOF;
mt_com.mt_count = num;
clrerror_dev(dev, MTWEOF);
if (stat == -1) {
Mmsg2(dev->errmsg, _("ioctl MTWEOF error on %s. ERR=%s.\n"),
- dev->dev_name, be.strerror());
+ dev->print_name(), be.strerror());
}
}
return stat;
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 (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;
+ 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;
+ break;
#ifdef MTSETBLK
case MTSETBLK:
msg = "MTSETBLK";
- break;
+ break;
#endif
#ifdef MTSETBSIZ
case MTSETBSIZ:
msg = "MTSETBSIZ";
- break;
+ break;
#endif
#ifdef MTSRSZ
case MTSRSZ:
msg = "MTSRSZ";
- break;
+ break;
#endif
default:
- bsnprintf(buf, sizeof(buf), "unknown func code %d", func);
- msg = buf;
- break;
+ bsnprintf(buf, sizeof(buf), _("unknown func code %d"), func);
+ msg = buf;
+ break;
}
if (msg != NULL) {
- dev->dev_errno = ENOSYS;
+ dev->dev_errno = ENOSYS;
Mmsg1(dev->errmsg, _("I/O function \"%s\" not supported on this device.\n"), msg);
- Emsg0(M_ERROR, 0, dev->errmsg);
+ Emsg0(M_ERROR, 0, dev->errmsg);
}
}
/* On some systems such as NetBSD, this clears all errors */
static void do_close(DEVICE *dev)
{
- Dmsg1(29, "really close_dev %s\n", dev->dev_name);
+ Dmsg1(100, "really close_dev %s\n", dev->print_name());
if (dev->fd >= 0) {
- close(dev->fd);
+ ::close(dev->fd);
}
- if (dev_cap(dev, CAP_REQMOUNT)) {
- if (unmount_dev(dev, 1) < 0) {
- Dmsg1(0, "Cannot unmount device %s.\n", dev->dev_name);
- }
+
+ if (!unmount_dev(dev, 1)) {
+ Dmsg1(0, "Cannot unmount device %s.\n", dev->print_name());
}
/* Remove the last part file if it is empty */
- if (dev->can_append() && (dev->num_parts > 0)) {
+ if (dev->num_parts > 0) {
struct stat statp;
POOL_MEM archive_name(PM_FNAME);
dev->part = dev->num_parts;
- get_filename(dev, dev->VolCatInfo.VolCatName, archive_name);
+ Dmsg1(100, "Call make_dvd_filename. Vol=%s\n", dev->VolCatInfo.VolCatName);
+ make_spooled_dvd_filename(dev, archive_name);
/* Check that the part file is empty */
if ((stat(archive_name.c_str(), &statp) == 0) && (statp.st_size == 0)) {
- unlink(archive_name.c_str());
+ 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->clear_opened();
+ dev->state &= ~(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;
+ free_volume(dev);
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;
}
/*
* 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 (dev->fd >= 0 && dev->use_count == 1) {*/
- /* No need to check if dev->fd >= 0: it is checked again
- * in do_close, and do_close MUST be called for volumes
- * splitted in parts, even if dev->fd == -1. */
- if (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
+ do_close(this);
}
-/*
- * 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);
-#endif
-}
-bool truncate_dev(DEVICE *dev)
+bool truncate_dev(DCR *dcr) /* We need the DCR for DVD-writing */
{
- Dmsg1(100, "truncate_dev %s\n", dev->dev_name);
+ DEVICE *dev = dcr->dev;
+
+ Dmsg1(100, "truncate_dev %s\n", dev->print_name());
if (dev->is_tape()) {
return true; /* we don't really truncate tapes */
/* maybe we should rewind and write and eof ???? */
}
- /* If there is more than one part, open the first one, and then truncate it. */
- if (dev->num_parts > 0) {
- dev->num_parts = 0;
- dev->VolCatInfo.VolCatParts = 0;
- if (open_first_part(dev) < 0) {
- berrno be;
- Mmsg1(&dev->errmsg, "Unable to truncate device, because I'm unable to open the first part. ERR=%s\n", be.strerror());
- }
+ if (dev->is_dvd()) {
+ return truncate_dvd_dev(dcr);
}
if (ftruncate(dev->fd, 0) != 0) {
berrno be;
- Mmsg1(&dev->errmsg, _("Unable to truncate device. ERR=%s\n"), be.strerror());
+ Mmsg2(dev->errmsg, _("Unable to truncate device %s. ERR=%s\n"),
+ dev->print_name(), be.strerror());
return false;
}
return true;
}
-bool
-dev_is_tape(DEVICE *dev)
+/* Return the resource name for the device */
+const char *DEVICE::name() const
{
- return dev->is_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->is_open() && dev->can_append() &&
- dev->is_labeled() && !(dev->state & ST_WEOT)) {
- return true;
- } else {
- return false;
- }
-}
-
-char *
-dev_name(DEVICE *dev)
-{
- return dev->dev_name;
+ return device->hdr.name;
}
char *
{
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;
/*
* 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
mt_com.mt_op = MTSETBLK;
mt_com.mt_count = 0;
if (ioctl(dev->fd, MTIOCTOP, (char *)&mt_com) < 0) {
- clrerror_dev(dev, MTSETBLK);
+ 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;
+ mt_com.mt_count |= MT_ST_TWO_FM;
}
if (dev_cap(dev, CAP_EOM)) {
- mt_com.mt_count |= MT_ST_FAST_MTEOM;
+ mt_com.mt_count |= MT_ST_FAST_MTEOM;
}
if (ioctl(dev->fd, MTIOCTOP, (char *)&mt_com) < 0) {
- clrerror_dev(dev, MTSETBLK);
+ clrerror_dev(dev, MTSETBLK);
}
}
return;
mt_com.mt_op = MTSETBSIZ;
mt_com.mt_count = 0;
if (ioctl(dev->fd, MTIOCTOP, (char *)&mt_com) < 0) {
- clrerror_dev(dev, MTSETBSIZ);
+ 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);
+ clrerror_dev(dev, MTEWARN);
}
}
return;
mt_com.mt_op = MTSETBSIZ;
mt_com.mt_count = 0;
if (ioctl(dev->fd, MTIOCTOP, (char *)&mt_com) < 0) {
- clrerror_dev(dev, MTSETBSIZ);
+ clrerror_dev(dev, MTSETBSIZ);
}
}
return;
mt_com.mt_op = MTSRSZ;
mt_com.mt_count = 0;
if (ioctl(dev->fd, MTIOCTOP, (char *)&mt_com) < 0) {
- clrerror_dev(dev, MTSRSZ);
+ clrerror_dev(dev, MTSRSZ);
}
}
return;
#endif
}
-/*
- * Edit codes into (Un)MountCommand, Write(First)PartCommand
- * %% = %
- * %a = archive device name
- * %m = mount point
- * %v = last part name
- *
- * omsg = edited output message
- * imsg = input string containing edit codes (%x)
- *
- */
-char *edit_device_codes_dev(DEVICE* dev, char *omsg, const char *imsg)
+static bool dev_get_os_pos(DEVICE *dev, struct mtget *mt_stat)
{
- const char *p;
- const char *str;
- char add[20];
-
- POOL_MEM archive_name(PM_FNAME);
- get_filename(dev, dev->VolCatInfo.VolCatName, archive_name);
-
- *omsg = 0;
- Dmsg1(800, "edit_device_codes: %s\n", imsg);
- for (p=imsg; *p; p++) {
- if (*p == '%') {
- switch (*++p) {
- case '%':
- str = "%";
- break;
- case 'n':
- bsnprintf(add, sizeof(add), "%d", dev->part);
- str = add;
- break;
- case 'a':
- str = dev->dev_name;
- break;
- case 'm':
- str = dev->device->mount_point;
- break;
- case 'v':
- 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(900, "add_str %s\n", str);
- pm_strcat(&omsg, (char *)str);
- Dmsg1(800, "omsg=%s\n", omsg);
- }
- return omsg;
+ 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