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; }