DEVICE *m_init_dev(JCR *jcr, DEVRES *device)
{
struct stat statp;
int errstat;
DCR *dcr = NULL;
DEVICE *dev = NULL;
uint32_t max_bs;
/* 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.bstrerror());
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;
#ifdef USE_VTAPE
/* must set DeviceType = Vtape
* in normal mode, autodetection is disabled
*/
} else if (S_ISREG(statp.st_mode)) {
device->dev_type = B_VTAPE_DEV;
#endif
} 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;
}
if (strcmp(device->device_name, "/dev/null") == 0) {
device->dev_type = B_NULL_DEV;
}
}
switch (device->dev_type) {
case B_DVD_DEV:
Jmsg0(jcr, M_FATAL, 0, _("DVD support is now deprecated.\n"));
return NULL;
case B_VTAPE_DEV:
dev = New(vtape);
break;
#ifdef USE_FTP
case B_FTP_DEV:
dev = New(ftp_device);
break;
#endif
case B_TAPE_DEV:
dev = New(tape_dev);
break;
case B_FILE_DEV:
case B_FIFO_DEV:
case B_NULL_DEV:
dev = New(file_dev);
break;
default:
return NULL;
}
dev->clear_slot(); /* unknown */
/* 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);
Dmsg1(400, "Allocate dev=%s\n", dev->print_name());
dev->capabilities = device->cap_bits;
dev->min_free_space = device->min_free_space;
dev->min_block_size = device->min_block_size;
dev->max_block_size = device->max_block_size;
dev->max_volume_size = device->max_volume_size;
dev->max_file_size = device->max_file_size;
dev->max_concurrent_jobs = device->max_concurrent_jobs;
dev->volume_capacity = device->volume_capacity;
dev->max_rewind_wait = device->max_rewind_wait;
dev->max_open_wait = device->max_open_wait;
dev->vol_poll_interval = device->vol_poll_interval;
dev->max_spool_size = device->max_spool_size;
dev->drive_index = device->drive_index;
dev->enabled = device->enabled;
dev->autoselect = device->autoselect;
dev->read_only = device->read_only;
dev->dev_type = device->dev_type;
dev->device = device;
if (dev->is_tape()) { /* No parts on tapes */
dev->max_part_size = 0;
} else {
dev->max_part_size = device->max_part_size;
}
/* Sanity check */
if (dev->vol_poll_interval && dev->vol_poll_interval < 60) {
dev->vol_poll_interval = 60;
}
if (!device->dev) {
/* The first time we create a DEVICE from the DEVRES, we keep a pointer
* to the DEVICE accessible from the DEVRES.
*/
device->dev = dev;
}
if (dev->is_fifo()) {
dev->capabilities |= CAP_STREAM; /* set stream device */
}
/* If the device requires mount :
* - Check that the mount point is available
* - Check that (un)mount commands are defined
*/
if (dev->is_file() && dev->requires_mount()) {
if (!device->mount_point || stat(device->mount_point, &statp) < 0) {
berrno be;
dev->dev_errno = errno;
Jmsg2(jcr, M_ERROR_TERM, 0, _("Unable to stat mount point %s: ERR=%s\n"),
device->mount_point, be.bstrerror());
}
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"));
}
}
/* Keep the device ID in the DEVICE struct to identify the hardware */
if (dev->is_file() && stat(dev->archive_name(), &statp) == 0) {
dev->devno = statp.st_dev;
}
/* Sanity check */
if (dev->max_block_size == 0) {
max_bs = DEFAULT_BLOCK_SIZE;
} else {
max_bs = dev->max_block_size;
}
if (dev->min_block_size > max_bs) {
Jmsg(jcr, M_ERROR_TERM, 0, _("Min block size > max on device %s\n"),
dev->print_name());
}
if (dev->max_block_size > 4096000) {
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) {
Jmsg3(jcr, M_WARNING, 0, _("Max block size %u not multiple of device %s block size=%d.\n"),
dev->max_block_size, dev->print_name(), TAPE_BSIZE);
}
if (dev->max_volume_size != 0 && dev->max_volume_size < (dev->max_block_size << 4)) {
Jmsg(jcr, M_ERROR_TERM, 0, _("Max Vol Size < 8 * Max Block Size for device %s\n"),
dev->print_name());
}
dev->errmsg = get_pool_memory(PM_EMSG);
*dev->errmsg = 0;
if ((errstat = dev->init_mutex()) != 0) {
berrno be;
dev->dev_errno = errstat;
Mmsg1(dev->errmsg, _("Unable to init mutex: ERR=%s\n"), be.bstrerror(errstat));
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.bstrerror(errstat));
Jmsg0(jcr, M_ERROR_TERM, 0, dev->errmsg);
}
if ((errstat = pthread_cond_init(&dev->wait_next_vol, NULL)) != 0) {
berrno be;
dev->dev_errno = errstat;
Mmsg1(dev->errmsg, _("Unable to init cond variable: ERR=%s\n"), be.bstrerror(errstat));
Jmsg0(jcr, M_ERROR_TERM, 0, dev->errmsg);
}
if ((errstat = pthread_mutex_init(&dev->spool_mutex, NULL)) != 0) {
berrno be;
dev->dev_errno = errstat;
Mmsg1(dev->errmsg, _("Unable to init spool mutex: ERR=%s\n"), be.bstrerror(errstat));
Jmsg0(jcr, M_ERROR_TERM, 0, dev->errmsg);
}
if ((errstat = dev->init_acquire_mutex()) != 0) {
berrno be;
dev->dev_errno = errstat;
Mmsg1(dev->errmsg, _("Unable to init acquire mutex: ERR=%s\n"), be.bstrerror(errstat));
Jmsg0(jcr, M_ERROR_TERM, 0, dev->errmsg);
}
if ((errstat = dev->init_read_acquire_mutex()) != 0) {
berrno be;
dev->dev_errno = errstat;
Mmsg1(dev->errmsg, _("Unable to init read acquire mutex: ERR=%s\n"), be.bstrerror(errstat));
Jmsg0(jcr, M_ERROR_TERM, 0, dev->errmsg);
}
if ((errstat = dev->init_volcat_mutex()) != 0) {
berrno be;
dev->dev_errno = errstat;
Mmsg1(dev->errmsg, _("Unable to init volcat mutex: ERR=%s\n"), be.bstrerror(errstat));
Jmsg0(jcr, M_ERROR_TERM, 0, dev->errmsg);
}
if ((errstat = dev->init_dcrs_mutex()) != 0) {
berrno be;
dev->dev_errno = errstat;
Mmsg1(dev->errmsg, _("Unable to init dcrs mutex: ERR=%s\n"), be.bstrerror(errstat));
Jmsg0(jcr, M_ERROR_TERM, 0, dev->errmsg);
}
dev->set_mutex_priorities();
#ifdef xxx
if ((errstat = rwl_init(&dev->lock)) != 0) {
berrno be;
dev->dev_errno = errstat;
Mmsg1(dev->errmsg, _("Unable to init mutex: ERR=%s\n"), be.bstrerror(errstat));
Jmsg0(jcr, M_ERROR_TERM, 0, dev->errmsg);
}
#endif
dev->clear_opened();
dev->attached_dcrs = New(dlist(dcr, &dcr->dev_link));
Dmsg2(100, "init_dev: tape=%d dev_name=%s\n", dev->is_tape(), dev->dev_name);
dev->initiated = true;
return dev;
}
static inline DEVICE *m_init_dev(JCR *jcr, DEVRES *device, bool new_init)
{
struct stat statp;
int errstat;
DCR *dcr = NULL;
DEVICE *dev = NULL;
uint32_t max_bs;
Dmsg1(400, "max_block_size in device res is %u\n", device->max_block_size);
/*
* 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.bstrerror());
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 (!bit_is_set(CAP_REQMOUNT, device->cap_bits)) {
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;
}
}
/*
* See what type of device is wanted.
*/
switch (device->dev_type) {
/*
* When using dynamic loading use the init_backend_dev() function
* for any type of device not being of the type file.
*/
#ifndef HAVE_DYNAMIC_SD_BACKENDS
#ifdef HAVE_GFAPI
case B_GFAPI_DEV:
dev = New(gfapi_device);
break;
#endif
#ifdef HAVE_OBJECTSTORE
case B_OBJECT_STORE_DEV:
dev = New(object_store_device);
break;
#endif
#ifdef HAVE_RADOS
case B_RADOS_DEV:
dev = New(rados_device);
break;
#endif
#ifdef HAVE_CEPHFS
case B_CEPHFS_DEV:
dev = New(cephfs_device);
break;
#endif
#ifdef HAVE_ELASTO
case B_ELASTO_DEV:
dev = New(elasto_device);
break;
#endif
#ifdef HAVE_WIN32
case B_TAPE_DEV:
dev = New(win32_tape_device);
break;
case B_FIFO_DEV:
dev = New(win32_fifo_device);
break;
#else
case B_TAPE_DEV:
dev = New(unix_tape_device);
break;
case B_FIFO_DEV:
dev = New(unix_fifo_device);
break;
#endif
#endif /* HAVE_DYNAMIC_SD_BACKENDS */
#ifdef HAVE_WIN32
case B_FILE_DEV:
dev = New(win32_file_device);
break;
#else
case B_FILE_DEV:
dev = New(unix_file_device);
break;
#endif
default:
#ifdef HAVE_DYNAMIC_SD_BACKENDS
dev = init_backend_dev(jcr, device->dev_type);
#endif
break;
}
if (!dev) {
Jmsg2(jcr, M_ERROR, 0, _("%s has an unknown device type %d\n"),
device->device_name, device->dev_type);
return NULL;
}
dev->clear_slot(); /* unknown */
/*
* 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);
if (device->device_options) {
dev->dev_options = get_memory(strlen(device->device_options) + 1);
pm_strcpy(dev->dev_options, device->device_options);
}
dev->prt_name = get_memory(strlen(device->device_name) + strlen(device->name()) + 20);
/*
* We edit "Resource-name" (physical-name)
*/
Mmsg(dev->prt_name, "\"%s\" (%s)", device->name(), device->device_name);
Dmsg1(400, "Allocate dev=%s\n", dev->print_name());
copy_bits(CAP_MAX, device->cap_bits, dev->capabilities);
/*
* current block sizes
*/
dev->min_block_size = device->min_block_size;
dev->max_block_size = device->max_block_size;
dev->max_volume_size = device->max_volume_size;
dev->max_file_size = device->max_file_size;
dev->max_concurrent_jobs = device->max_concurrent_jobs;
dev->volume_capacity = device->volume_capacity;
dev->max_rewind_wait = device->max_rewind_wait;
dev->max_open_wait = device->max_open_wait;
dev->max_open_vols = device->max_open_vols;
dev->vol_poll_interval = device->vol_poll_interval;
dev->max_spool_size = device->max_spool_size;
dev->drive = device->drive;
dev->drive_index = device->drive_index;
dev->autoselect = device->autoselect;
dev->norewindonclose = device->norewindonclose;
dev->dev_type = device->dev_type;
dev->device = device;
/*
* Sanity check
*/
if (dev->vol_poll_interval && dev->vol_poll_interval < 60) {
dev->vol_poll_interval = 60;
}
device->dev = dev;
if (dev->is_fifo()) {
dev->set_cap(CAP_STREAM); /* set stream device */
}
/*
* If the device requires mount :
* - Check that the mount point is available
* - Check that (un)mount commands are defined
*/
if (dev->is_file() && dev->requires_mount()) {
if (!device->mount_point || stat(device->mount_point, &statp) < 0) {
berrno be;
dev->dev_errno = errno;
Jmsg2(jcr, M_ERROR_TERM, 0, _("Unable to stat mount point %s: ERR=%s\n"),
device->mount_point, be.bstrerror());
}
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"));
}
}
/*
* Sanity check
*/
if (dev->max_block_size == 0) {
max_bs = DEFAULT_BLOCK_SIZE;
} else {
max_bs = dev->max_block_size;
}
if (dev->min_block_size > max_bs) {
Jmsg(jcr, M_ERROR_TERM, 0, _("Min block size > max on device %s\n"), dev->print_name());
}
if (dev->max_block_size > MAX_BLOCK_LENGTH) {
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) {
Jmsg3(jcr, M_WARNING, 0, _("Max block size %u not multiple of device %s block size=%d.\n"),
dev->max_block_size, dev->print_name(), TAPE_BSIZE);
}
if (dev->max_volume_size != 0 && dev->max_volume_size < (dev->max_block_size << 4)) {
Jmsg(jcr, M_ERROR_TERM, 0, _("Max Vol Size < 8 * Max Block Size for device %s\n"), dev->print_name());
}
dev->errmsg = get_pool_memory(PM_EMSG);
*dev->errmsg = 0;
if ((errstat = dev->init_mutex()) != 0) {
berrno be;
dev->dev_errno = errstat;
Mmsg1(dev->errmsg, _("Unable to init mutex: ERR=%s\n"), be.bstrerror(errstat));
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.bstrerror(errstat));
Jmsg0(jcr, M_ERROR_TERM, 0, dev->errmsg);
}
if ((errstat = pthread_cond_init(&dev->wait_next_vol, NULL)) != 0) {
berrno be;
dev->dev_errno = errstat;
Mmsg1(dev->errmsg, _("Unable to init cond variable: ERR=%s\n"), be.bstrerror(errstat));
Jmsg0(jcr, M_ERROR_TERM, 0, dev->errmsg);
}
if ((errstat = pthread_mutex_init(&dev->spool_mutex, NULL)) != 0) {
berrno be;
dev->dev_errno = errstat;
Mmsg1(dev->errmsg, _("Unable to init spool mutex: ERR=%s\n"), be.bstrerror(errstat));
Jmsg0(jcr, M_ERROR_TERM, 0, dev->errmsg);
}
if ((errstat = dev->init_acquire_mutex()) != 0) {
berrno be;
dev->dev_errno = errstat;
Mmsg1(dev->errmsg, _("Unable to init acquire mutex: ERR=%s\n"), be.bstrerror(errstat));
Jmsg0(jcr, M_ERROR_TERM, 0, dev->errmsg);
}
if ((errstat = dev->init_read_acquire_mutex()) != 0) {
berrno be;
dev->dev_errno = errstat;
Mmsg1(dev->errmsg, _("Unable to init read acquire mutex: ERR=%s\n"), be.bstrerror(errstat));
Jmsg0(jcr, M_ERROR_TERM, 0, dev->errmsg);
}
dev->set_mutex_priorities();
#ifdef xxx
if ((errstat = rwl_init(&dev->lock)) != 0) {
berrno be;
dev->dev_errno = errstat;
Mmsg1(dev->errmsg, _("Unable to init mutex: ERR=%s\n"), be.bstrerror(errstat));
Jmsg0(jcr, M_ERROR_TERM, 0, dev->errmsg);
}
#endif
dev->clear_opened();
dev->attached_dcrs = New(dlist(dcr, &dcr->dev_link));
Dmsg2(100, "init_dev: tape=%d dev_name=%s\n", dev->is_tape(), dev->dev_name);
dev->initiated = true;
Dmsg3(100, "dev=%s dev_max_bs=%u max_bs=%u\n", dev->dev_name, dev->device->max_block_size, dev->max_block_size);
return dev;
}