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;
}
/*********************************************************************
* Acquire device for reading.
* The drive should have previously been reserved by calling
* reserve_device_for_read(). We read the Volume label from the block and
* leave the block pointers just after the label.
*
* Returns: NULL if failed for any reason
* dcr if successful
*/
bool acquire_device_for_read(DCR *dcr)
{
DEVICE *dev;
JCR *jcr = dcr->jcr;
bool ok = false;
bool tape_previously_mounted;
VOL_LIST *vol;
bool try_autochanger = true;
int i;
int vol_label_status;
int retry = 0;
Enter(rdbglvl);
dev = dcr->dev;
dev->Lock_read_acquire();
Dmsg2(rdbglvl, "dcr=%p dev=%p\n", dcr, dcr->dev);
Dmsg2(rdbglvl, "MediaType dcr=%s dev=%s\n", dcr->media_type, dev->device->media_type);
dev->dblock(BST_DOING_ACQUIRE);
if (dev->num_writers > 0) {
Jmsg2(jcr, M_FATAL, 0, _("Acquire read: num_writers=%d not zero. Job %d canceled.\n"),
dev->num_writers, jcr->JobId);
goto get_out;
}
/* Find next Volume, if any */
vol = jcr->VolList;
if (!vol) {
char ed1[50];
Jmsg(jcr, M_FATAL, 0, _("No volumes specified for reading. Job %s canceled.\n"),
edit_int64(jcr->JobId, ed1));
goto get_out;
}
jcr->CurReadVolume++;
for (i=1; i<jcr->CurReadVolume; i++) {
vol = vol->next;
}
if (!vol) {
Jmsg(jcr, M_FATAL, 0, _("Logic error: no next volume to read. Numvol=%d Curvol=%d\n"),
jcr->NumReadVolumes, jcr->CurReadVolume);
goto get_out; /* should not happen */
}
set_dcr_from_vol(dcr, vol);
Dmsg2(rdbglvl, "Want Vol=%s Slot=%d\n", vol->VolumeName, vol->Slot);
/*
* If the MediaType requested for this volume is not the
* same as the current drive, we attempt to find the same
* device that was used to write the orginal volume. If
* found, we switch to using that device.
*
* N.B. A lot of routines rely on the dcr pointer not changing
* read_records.c even has multiple dcrs cached, so we take care
* here to release all important parts of the dcr and re-acquire
* them such as the block pointer (size may change), but we do
* not release the dcr.
*/
Dmsg2(rdbglvl, "MediaType dcr=%s dev=%s\n", dcr->media_type, dev->device->media_type);
if (dcr->media_type[0] && !bstrcmp(dcr->media_type, dev->device->media_type)) {
RCTX rctx;
DIRSTORE *store;
int status;
Jmsg3(jcr, M_INFO, 0, _("Changing read device. Want Media Type=\"%s\" have=\"%s\"\n"
" device=%s\n"),
dcr->media_type, dev->device->media_type, dev->print_name());
Dmsg3(rdbglvl, "Changing read device. Want Media Type=\"%s\" have=\"%s\"\n"
" device=%s\n",
dcr->media_type, dev->device->media_type, dev->print_name());
dev->dunblock(DEV_UNLOCKED);
lock_reservations();
memset(&rctx, 0, sizeof(RCTX));
rctx.jcr = jcr;
jcr->read_dcr = dcr;
jcr->reserve_msgs = New(alist(10, not_owned_by_alist));
rctx.any_drive = true;
rctx.device_name = vol->device;
store = new DIRSTORE;
memset(store, 0, sizeof(DIRSTORE));
store->name[0] = 0; /* No dir name */
bstrncpy(store->media_type, vol->MediaType, sizeof(store->media_type));
bstrncpy(store->pool_name, dcr->pool_name, sizeof(store->pool_name));
bstrncpy(store->pool_type, dcr->pool_type, sizeof(store->pool_type));
store->append = false;
rctx.store = store;
clean_device(dcr); /* clean up the dcr */
/*
* Search for a new device
*/
status = search_res_for_device(rctx);
release_reserve_messages(jcr); /* release queued messages */
unlock_reservations();
if (status == 1) { /* found new device to use */
/*
* Switching devices, so acquire lock on new device,
* then release the old one.
*/
dcr->dev->Lock_read_acquire(); /* lock new one */
dev->Unlock_read_acquire(); /* release old one */
dev = dcr->dev; /* get new device pointer */
dev->dblock(BST_DOING_ACQUIRE);
dcr->VolumeName[0] = 0;
Jmsg(jcr, M_INFO, 0, _("Media Type change. New read device %s chosen.\n"),
dev->print_name());
Dmsg1(50, "Media Type change. New read device %s chosen.\n", dev->print_name());
bstrncpy(dcr->VolumeName, vol->VolumeName, sizeof(dcr->VolumeName));
dcr->setVolCatName(vol->VolumeName);
bstrncpy(dcr->media_type, vol->MediaType, sizeof(dcr->media_type));
dcr->VolCatInfo.Slot = vol->Slot;
dcr->VolCatInfo.InChanger = vol->Slot > 0;
bstrncpy(dcr->pool_name, store->pool_name, sizeof(dcr->pool_name));
bstrncpy(dcr->pool_type, store->pool_type, sizeof(dcr->pool_type));
} else {
/* error */
Jmsg1(jcr, M_FATAL, 0, _("No suitable device found to read Volume \"%s\"\n"),
vol->VolumeName);
Dmsg1(rdbglvl, "No suitable device found to read Volume \"%s\"\n", vol->VolumeName);
goto get_out;
}
}
Dmsg2(rdbglvl, "MediaType dcr=%s dev=%s\n", dcr->media_type, dev->device->media_type);
dev->clear_unload();
if (dev->vol && dev->vol->is_swapping()) {
dev->vol->set_slot(vol->Slot);
Dmsg3(rdbglvl, "swapping: slot=%d Vol=%s dev=%s\n", dev->vol->get_slot(),
dev->vol->vol_name, dev->print_name());
}
init_device_wait_timers(dcr);
tape_previously_mounted = dev->can_read() || dev->can_append() ||
dev->is_labeled();
// tape_initially_mounted = tape_previously_mounted;
/* Volume info is always needed because of VolParts */
Dmsg1(rdbglvl, "dir_get_volume_info vol=%s\n", dcr->VolumeName);
if (!dcr->dir_get_volume_info(GET_VOL_INFO_FOR_READ)) {
Dmsg2(rdbglvl, "dir_get_vol_info failed for vol=%s: %s\n",
dcr->VolumeName, jcr->errmsg);
Jmsg1(jcr, M_WARNING, 0, "Read acquire: %s", jcr->errmsg);
}
dev->set_load(); /* set to load volume */
for ( ;; ) {
/* If not polling limit retries */
if (!dev->poll && retry++ > 10) {
break;
}
dev->clear_labeled(); /* force reread of label */
if (job_canceled(jcr)) {
char ed1[50];
Mmsg1(dev->errmsg, _("Job %s canceled.\n"), edit_int64(jcr->JobId, ed1));
Jmsg(jcr, M_INFO, 0, dev->errmsg);
goto get_out; /* error return */
}
dcr->do_unload();
dcr->do_swapping(false/*!is_writing*/);
dcr->do_load(false /*!is_writing*/);
set_dcr_from_vol(dcr, vol); /* refresh dcr with desired volume info */
/*
* This code ensures that the device is ready for
* reading. If it is a file, it opens it.
* If it is a tape, it checks the volume name
*/
Dmsg1(rdbglvl, "stored: open vol=%s\n", dcr->VolumeName);
if (!dev->open(dcr, OPEN_READ_ONLY)) {
if (!dev->poll) {
Jmsg3(jcr, M_WARNING, 0, _("Read open device %s Volume \"%s\" failed: ERR=%s\n"),
dev->print_name(), dcr->VolumeName, dev->bstrerror());
}
goto default_path;
}
Dmsg1(rdbglvl, "opened dev %s OK\n", dev->print_name());
/* Read Volume Label */
Dmsg0(rdbglvl, "calling read-vol-label\n");
vol_label_status = read_dev_volume_label(dcr);
switch (vol_label_status) {
case VOL_OK:
Dmsg0(rdbglvl, "Got correct volume.\n");
ok = true;
dev->VolCatInfo = dcr->VolCatInfo; /* structure assignment */
break; /* got it */
case VOL_IO_ERROR:
Dmsg0(rdbglvl, "IO Error\n");
/*
* Send error message generated by read_dev_volume_label()
* only we really had a tape mounted. This supresses superfluous
* error messages when nothing is mounted.
*/
if (tape_previously_mounted) {
Jmsg(jcr, M_WARNING, 0, "Read acquire: %s", jcr->errmsg);
}
goto default_path;
case VOL_NAME_ERROR:
Dmsg3(rdbglvl, "Vol name=%s want=%s drv=%s.\n", dev->VolHdr.VolumeName,
dcr->VolumeName, dev->print_name());
if (dev->is_volume_to_unload()) {
goto default_path;
}
dev->set_unload(); /* force unload of unwanted tape */
if (!unload_autochanger(dcr, -1)) {
/* at least free the device so we can re-open with correct volume */
dev->close(dcr);
free_volume(dev);
}
dev->set_load();
/* Fall through */
default:
Jmsg1(jcr, M_WARNING, 0, "Read acquire: %s", jcr->errmsg);
default_path:
Dmsg0(rdbglvl, "default path\n");
tape_previously_mounted = true;
/*
* If the device requires mount, close it, so the device can be ejected.
*/
if (dev->requires_mount()) {
dev->close(dcr);
free_volume(dev);
}
/* Call autochanger only once unless ask_sysop called */
if (try_autochanger) {
int status;
Dmsg2(rdbglvl, "calling autoload Vol=%s Slot=%d\n",
dcr->VolumeName, dcr->VolCatInfo.Slot);
status = autoload_device(dcr, 0, NULL);
if (status > 0) {
try_autochanger = false;
continue; /* try reading volume mounted */
}
}
/* Mount a specific volume and no other */
Dmsg0(rdbglvl, "calling dir_ask_sysop\n");
if (!dcr->dir_ask_sysop_to_mount_volume(ST_READREADY)) {
goto get_out; /* error return */
}
/* Volume info is always needed because of VolParts */
Dmsg1(150, "dir_get_volume_info vol=%s\n", dcr->VolumeName);
if (!dcr->dir_get_volume_info(GET_VOL_INFO_FOR_READ)) {
Dmsg2(150, "dir_get_vol_info failed for vol=%s: %s\n",
dcr->VolumeName, jcr->errmsg);
Jmsg1(jcr, M_WARNING, 0, "Read acquire: %s", jcr->errmsg);
}
dev->set_load(); /* set to load volume */
try_autochanger = true; /* permit trying the autochanger again */
continue; /* try reading again */
} /* end switch */
break;
} /* end for loop */
if (!ok) {
Jmsg1(jcr, M_FATAL, 0, _("Too many errors trying to mount device %s for reading.\n"),
dev->print_name());
goto get_out;
}
dev->clear_append();
dev->set_read();
jcr->sendJobStatus(JS_Running);
Jmsg(jcr, M_INFO, 0, _("Ready to read from volume \"%s\" on device %s.\n"),
dcr->VolumeName, dev->print_name());
get_out:
dev->Lock();
dcr->clear_reserved();
/*
* Normally we are blocked, but in at least one error case above
* we are not blocked because we unsuccessfully tried changing
* devices.
*/
if (dev->is_blocked()) {
dev->dunblock(DEV_LOCKED);
} else {
dev->Unlock(); /* dunblock() unlock the device too */
}
Dmsg2(rdbglvl, "dcr=%p dev=%p\n", dcr, dcr->dev);
Dmsg2(rdbglvl, "MediaType dcr=%s dev=%s\n", dcr->media_type, dev->device->media_type);
dev->Unlock_read_acquire();
Leave(rdbglvl);
return ok;
}
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;
}