示例#1
7
文件: append.c 项目: anarexia/bacula
/*
 *  Append Data sent from File daemon
 *
 */
bool do_append_data(JCR *jcr)
{
   int32_t n;
   int32_t file_index, stream, last_file_index;
   BSOCK *fd = jcr->file_bsock;
   bool ok = true;
   DEV_RECORD rec;
   char buf1[100], buf2[100];
   DCR *dcr = jcr->dcr;
   DEVICE *dev;
   char ec[50];


   if (!dcr) { 
      Jmsg0(jcr, M_FATAL, 0, _("DCR is NULL!!!\n"));
      return false;
   }                                              
   dev = dcr->dev;
   if (!dev) { 
      Jmsg0(jcr, M_FATAL, 0, _("DEVICE is NULL!!!\n"));
      return false;
   }                                              

   Dmsg1(100, "Start append data. res=%d\n", dev->num_reserved());

   memset(&rec, 0, sizeof(rec));

   if (!fd->set_buffer_size(dcr->device->max_network_buffer_size, BNET_SETBUF_WRITE)) {
      jcr->setJobStatus(JS_ErrorTerminated);
      Jmsg0(jcr, M_FATAL, 0, _("Unable to set network buffer size.\n"));
      return false;
   }

   if (!acquire_device_for_append(dcr)) {
      jcr->setJobStatus(JS_ErrorTerminated);
      return false;
   }

   jcr->setJobStatus(JS_Running);
   dir_send_job_status(jcr);

   if (dev->VolCatInfo.VolCatName[0] == 0) {
      Pmsg0(000, _("NULL Volume name. This shouldn't happen!!!\n"));
   }
   Dmsg1(50, "Begin append device=%s\n", dev->print_name());

   begin_data_spool(dcr);
   begin_attribute_spool(jcr);

   Dmsg0(100, "Just after acquire_device_for_append\n");
   if (dev->VolCatInfo.VolCatName[0] == 0) {
      Pmsg0(000, _("NULL Volume name. This shouldn't happen!!!\n"));
   }
   /*
    * Write Begin Session Record
    */
   if (!write_session_label(dcr, SOS_LABEL)) {
      Jmsg1(jcr, M_FATAL, 0, _("Write session label failed. ERR=%s\n"),
         dev->bstrerror());
      jcr->setJobStatus(JS_ErrorTerminated);
      ok = false;
   }
   if (dev->VolCatInfo.VolCatName[0] == 0) {
      Pmsg0(000, _("NULL Volume name. This shouldn't happen!!!\n"));
   }

   /* Tell File daemon to send data */
   if (!fd->fsend(OK_data)) {
      berrno be;
      Jmsg1(jcr, M_FATAL, 0, _("Network send error to FD. ERR=%s\n"),
            be.bstrerror(fd->b_errno));
      ok = false;
   }

   /*
    * Get Data from File daemon, write to device.  To clarify what is
    *   going on here.  We expect:
    *     - A stream header
    *     - Multiple records of data
    *     - EOD record
    *
    *    The Stream header is just used to sychronize things, and
    *    none of the stream header is written to tape.
    *    The Multiple records of data, contain first the Attributes,
    *    then after another stream header, the file data, then
    *    after another stream header, the MD5 data if any.
    *
    *   So we get the (stream header, data, EOD) three time for each
    *   file. 1. for the Attributes, 2. for the file data if any,
    *   and 3. for the MD5 if any.
    */
   dcr->VolFirstIndex = dcr->VolLastIndex = 0;
   jcr->run_time = time(NULL);              /* start counting time for rates */
   for (last_file_index = 0; ok && !jcr->is_job_canceled(); ) {

      /* Read Stream header from the File daemon.
       *  The stream header consists of the following:
       *    file_index (sequential Bacula file index, base 1)
       *    stream     (Bacula number to distinguish parts of data)
       *    info       (Info for Storage daemon -- compressed, encrypted, ...)
       *       info is not currently used, so is read, but ignored!
       */
     if ((n=bget_msg(fd)) <= 0) {
         if (n == BNET_SIGNAL && fd->msglen == BNET_EOD) {
            break;                    /* end of data */
         }
         Jmsg1(jcr, M_FATAL, 0, _("Error reading data header from FD. ERR=%s\n"),
               fd->bstrerror());
         possible_incomplete_job(jcr, last_file_index);
         ok = false;
         break;
      }

      if (sscanf(fd->msg, "%ld %ld", &file_index, &stream) != 2) {
         Jmsg1(jcr, M_FATAL, 0, _("Malformed data header from FD: %s\n"), fd->msg);
         ok = false;
         possible_incomplete_job(jcr, last_file_index);
         break;
      }

      Dmsg2(890, "<filed: Header FilInx=%d stream=%d\n", file_index, stream);

      /*
       * We make sure the file_index is advancing sequentially.
       * An incomplete job can start the file_index at any number.
       * otherwise, it must start at 1.
       */
      if (jcr->rerunning && file_index > 0 && last_file_index == 0) {
         goto fi_checked;
      }
      if (file_index > 0 && (file_index == last_file_index ||
          file_index == last_file_index + 1)) {
         goto fi_checked;
      }
      Jmsg2(jcr, M_FATAL, 0, _("FI=%d from FD not positive or sequential=%d\n"),
            file_index, last_file_index);
      possible_incomplete_job(jcr, last_file_index);
      ok = false;
      break;

fi_checked:
      if (file_index != last_file_index) {
         jcr->JobFiles = file_index;
         last_file_index = file_index;
      }

      /* Read data stream from the File daemon.
       *  The data stream is just raw bytes
       */
      while ((n=bget_msg(fd)) > 0 && !jcr->is_job_canceled()) {
         rec.VolSessionId = jcr->VolSessionId;
         rec.VolSessionTime = jcr->VolSessionTime;
         rec.FileIndex = file_index;
         rec.Stream = stream;
         rec.maskedStream = stream & STREAMMASK_TYPE;   /* strip high bits */
         rec.data_len = fd->msglen;
         rec.data = fd->msg;            /* use message buffer */

         Dmsg4(850, "before writ_rec FI=%d SessId=%d Strm=%s len=%d\n",
            rec.FileIndex, rec.VolSessionId, 
            stream_to_ascii(buf1, rec.Stream,rec.FileIndex),
            rec.data_len);

         while (!write_record_to_block(dcr->block, &rec)) {
            Dmsg2(850, "!write_record_to_block data_len=%d rem=%d\n", rec.data_len,
                       rec.remainder);
            if (!write_block_to_device(dcr)) {
               Dmsg2(90, "Got write_block_to_dev error on device %s. %s\n",
                  dev->print_name(), dev->bstrerror());
               ok = false;
               break;
            }
         }
         if (!ok) {
            Dmsg0(400, "Not OK\n");
            break;
         }
         jcr->JobBytes += rec.data_len;   /* increment bytes this job */
         Dmsg4(850, "write_record FI=%s SessId=%d Strm=%s len=%d\n",
            FI_to_ascii(buf1, rec.FileIndex), rec.VolSessionId,
            stream_to_ascii(buf2, rec.Stream, rec.FileIndex), rec.data_len);

         send_attrs_to_dir(jcr, &rec);
         Dmsg0(650, "Enter bnet_get\n");
      }
      Dmsg1(650, "End read loop with FD. Stat=%d\n", n);

      if (fd->is_error()) {
         if (!jcr->is_job_canceled()) {
            Dmsg1(350, "Network read error from FD. ERR=%s\n", fd->bstrerror());
            Jmsg1(jcr, M_FATAL, 0, _("Network error reading from FD. ERR=%s\n"),
                  fd->bstrerror());
            possible_incomplete_job(jcr, last_file_index);
         }
         ok = false;
         break;
      }
   }

   /* Create Job status for end of session label */
   jcr->setJobStatus(ok?JS_Terminated:JS_ErrorTerminated);

   if (ok) {
      /* Terminate connection with FD */
      fd->fsend(OK_append);
      do_fd_commands(jcr);               /* finish dialog with FD */
   } else {
      fd->fsend("3999 Failed append\n");
   }

   /*
    * Don't use time_t for job_elapsed as time_t can be 32 or 64 bits,
    *   and the subsequent Jmsg() editing will break
    */
   int32_t job_elapsed = time(NULL) - jcr->run_time;

   if (job_elapsed <= 0) {
      job_elapsed = 1;
   }

   Jmsg(dcr->jcr, M_INFO, 0, _("Job write elapsed time = %02d:%02d:%02d, Transfer rate = %s Bytes/second\n"),
         job_elapsed / 3600, job_elapsed % 3600 / 60, job_elapsed % 60,
         edit_uint64_with_suffix(jcr->JobBytes / job_elapsed, ec));


   Dmsg1(200, "Write EOS label JobStatus=%c\n", jcr->JobStatus);

   /*
    * Check if we can still write. This may not be the case
    *  if we are at the end of the tape or we got a fatal I/O error.
    */
   if (ok || dev->can_write()) {
      if (!write_session_label(dcr, EOS_LABEL)) {
         /* Print only if ok and not cancelled to avoid spurious messages */
         if (ok && !jcr->is_job_canceled()) {
            Jmsg1(jcr, M_FATAL, 0, _("Error writing end session label. ERR=%s\n"),
                  dev->bstrerror());
            possible_incomplete_job(jcr, last_file_index);
         }
         jcr->setJobStatus(JS_ErrorTerminated);
         ok = false;
      }
      if (dev->VolCatInfo.VolCatName[0] == 0) {
         Pmsg0(000, _("NULL Volume name. This shouldn't happen!!!\n"));
         Dmsg0(000, _("NULL Volume name. This shouldn't happen!!!\n"));
      }
      Dmsg0(90, "back from write_end_session_label()\n");
      /* Flush out final partial block of this session */
      if (!write_block_to_device(dcr)) {
         /* Print only if ok and not cancelled to avoid spurious messages */
         if (ok && !jcr->is_job_canceled()) {
            Jmsg2(jcr, M_FATAL, 0, _("Fatal append error on device %s: ERR=%s\n"),
                  dev->print_name(), dev->bstrerror());
            Dmsg0(100, _("Set ok=FALSE after write_block_to_device.\n"));
            possible_incomplete_job(jcr, last_file_index);
         }
         jcr->setJobStatus(JS_ErrorTerminated);
         ok = false;
      }
   }


   if (!ok && !jcr->is_JobStatus(JS_Incomplete)) {
      discard_data_spool(dcr);
   } else {
      /* Note: if commit is OK, the device will remain blocked */
      commit_data_spool(dcr);
   }

   if (ok) {
      ok = dvd_close_job(dcr);  /* do DVD cleanup if any */
   }
   
   /*
    * Release the device -- and send final Vol info to DIR
    *  and unlock it.
    */
   release_device(dcr);

   if ((!ok || jcr->is_job_canceled()) && !jcr->is_JobStatus(JS_Incomplete)) {
      discard_attribute_spool(jcr);
   } else {
      commit_attribute_spool(jcr);
   }

   dir_send_job_status(jcr);          /* update director */

   Dmsg1(100, "return from do_append_data() ok=%d\n", ok);
   return ok;
}
示例#2
0
文件: dvd.c 项目: anarexia/bacula
bool dvd_close_job(DCR *dcr)
{
   DEVICE *dev = dcr->dev;
   JCR *jcr = dcr->jcr;
   bool ok = true;

   /*
    * If the device is a dvd and WritePartAfterJob
    * is set to yes, open the next part, so, in case of a device
    * that requires mount, it will be written to the device.
    */
   if (dev->is_dvd() && jcr->write_part_after_job && (dev->part_size > 0)) {
      Dmsg1(400, "Writing last part=%d write_partafter_job is set.\n",
         dev->part);
      if (dev->part < dev->num_dvd_parts+1) {
         Jmsg3(jcr, M_FATAL, 0, _("Error writing. Current part less than total number of parts (%d/%d, device=%s)\n"),
               dev->part, dev->num_dvd_parts, dev->print_name());
         dev->dev_errno = EIO;
         ok = false;
      }
      
      if (ok && !dvd_write_part(dcr)) {
         Jmsg2(jcr, M_FATAL, 0, _("Unable to write last on %s: ERR=%s\n"),
               dev->print_name(), dev->bstrerror());
         dev->dev_errno = EIO;
         ok = false;
      }
   }
   return ok;
}
示例#3
0
文件: label.c 项目: janstadler/bareos
/*
 * Put a volume label into the block
 *
 *  Returns: false on failure
 *           true  on success
 */
static bool write_volume_label_to_block(DCR *dcr)
{
   DEVICE *dev = dcr->dev;
   DEV_BLOCK *block = dcr->block;
   DEV_RECORD rec;
   JCR *jcr = dcr->jcr;

   Dmsg0(130, "write Label in write_volume_label_to_block()\n");

   memset(&rec, 0, sizeof(rec));
   rec.data = get_memory(SER_LENGTH_Volume_Label);
   empty_block(block);                /* Volume label always at beginning */

   create_volume_label_record(dcr, dev, &rec);

   block->BlockNumber = 0;
   if (!write_record_to_block(dcr, &rec)) {
      free_pool_memory(rec.data);
      Jmsg1(jcr, M_FATAL, 0, _("Cannot write Volume label to block for device %s\n"),
         dev->print_name());
      return false;
   } else {
      Dmsg2(130, "Wrote label of %d bytes to block. Vol=%s\n", rec.data_len,
            dcr->VolumeName);
   }
   free_pool_memory(rec.data);
   return true;
}
示例#4
0
文件: bls.c 项目: AlD/bareos
bool dir_ask_sysop_to_mount_volume(DCR *dcr, int /*mode*/)
{
   DEVICE *dev = dcr->dev;
   fprintf(stderr, _("Mount Volume \"%s\" on device %s and press return when ready: "),
      dcr->VolumeName, dev->print_name());
   dev->close(dcr);
   getchar();
   return true;
}
示例#5
0
文件: vol_mgr.c 项目: debfx/bareos
/*
 * List Volumes -- this should be moved to status.c
 */
void list_volumes(void sendit(const char *msg, int len, void *sarg), void *arg)
{
   VOLRES *vol;
   POOL_MEM msg(PM_MESSAGE);
   int len;

   foreach_vol(vol) {
      DEVICE *dev = vol->dev;
      if (dev) {
         len = Mmsg(msg, "%s on device %s\n", vol->vol_name, dev->print_name());
         sendit(msg.c_str(), len, arg);
         len = Mmsg(msg, "    Reader=%d writers=%d reserves=%d volinuse=%d\n",
                    dev->can_read() ? 1 : 0, dev->num_writers, dev->num_reserved(),
                    vol->is_in_use());
         sendit(msg.c_str(), len, arg);
      } else {
         len = Mmsg(msg, "Volume %s no device. volinuse= %d\n",
                    vol->vol_name, vol->is_in_use());
         sendit(msg.c_str(), len, arg);
      }
   }
   endeach_vol(vol);

   lock_read_volumes();
   foreach_dlist(vol, read_vol_list) {
      DEVICE *dev = vol->dev;
      if (dev) {
         len = Mmsg(msg, "Read volume: %s on device %s\n", vol->vol_name, dev->print_name());
         sendit(msg.c_str(), len, arg);
         len = Mmsg(msg, "    Reader=%d writers=%d reserves=%d volinuse=%d JobId=%d\n",
                    dev->can_read() ? 1 : 0, dev->num_writers, dev->num_reserved(),
                    vol->is_in_use(), vol->get_jobid());
         sendit(msg.c_str(), len, arg);
      } else {
         len = Mmsg(msg, "Volume: %s no device. volinuse= %d\n",
                    vol->vol_name, vol->is_in_use());
         sendit(msg.c_str(), len, arg);
      }
   }
示例#6
0
文件: dev.c 项目: dl5rcw/bareos
/*
 * Set the block size of the device to the label_block_size
 * to read labels as we want to always use that blocksize when
 * writing volume labels
 */
void DEVICE::set_label_blocksize(DCR *dcr)
{
   DEVICE *dev = this;
   Dmsg3(100, "setting minblocksize to %u, "
              "maxblocksize to label_block_size=%u, on device %s\n",
         dev->device->label_block_size, dev->device->label_block_size, dev->print_name());

   dev->min_block_size = dev->device->label_block_size;
   dev->max_block_size = dev->device->label_block_size;
   /*
    * If blocklen is not dev->max_block_size create a new block with the right size
    * (as header is always label_block_size)
    */
   if (dcr->block) {
     if (dcr->block->buf_len != dev->max_block_size) {
         free_block(dcr->block);
         dcr->block = new_block(dev);
         Dmsg2(100, "created new block of buf_len: %u on device %s\n",
               dcr->block->buf_len, dev->print_name());
      }
   }
}
示例#7
0
/*
 * Create a new Device Control Record and attach
 *   it to the device (if this is a real job).
 * Note, this has been updated so that it can be called first
 *   without a DEVICE, then a second or third time with a DEVICE,
 *   and each time, it should cleanup and point to the new device.
 *   This should facilitate switching devices.
 * Note, each dcr must point to the controlling job (jcr).  However,
 *   a job can have multiple dcrs, so we must not store in the jcr's
 *   structure as previously. The higher level routine must store
 *   this dcr in the right place
 *
 */
DCR *new_dcr(JCR *jcr, DCR *dcr, DEVICE *dev, bool writing)
{
   DEVICE *odev;
   if (!dcr) {
      dcr = (DCR *)malloc(sizeof(DCR));
      memset(dcr, 0, sizeof(DCR));
      dcr->tid = pthread_self();
      dcr->spool_fd = -1;
   }
   dcr->jcr = jcr;                 /* point back to jcr */
   odev = dcr->dev;
   if (dcr->attached_to_dev && odev) {
      Dmsg2(100, "Detach 0x%x from olddev %s\n", dcr, odev->print_name());
      odev->detach_dcr_from_dev(dcr);
   }
   ASSERT2(!dcr->attached_to_dev, "DCR is attached. Wrong!");
   /* Set device information, possibly change device */
   if (dev) {
      dcr->free_blocks();
      dcr->block = new_block(dev);
      dcr->ameta_block = dcr->block;
      if (dcr->rec) {
         free_record(dcr->rec);
      }
      dcr->rec = new_record();
      /* Use job spoolsize prior to device spoolsize */
      if (jcr && jcr->spool_size) {
         dcr->max_job_spool_size = jcr->spool_size;
      } else {
         dcr->max_job_spool_size = dev->device->max_job_spool_size;
      }
      dcr->device = dev->device;
      dcr->set_dev(dev);
      Dmsg2(100, "Attach 0x%x to dev %s\n", dcr, dev->print_name());
      dev->attach_dcr_to_dev(dcr);
   }
   if (writing) {
      dcr->set_writing();
   } else {
      dcr->clear_writing();
   }
   return dcr;
}
示例#8
0
文件: acquire.c 项目: yunnet/bareos
/*
 * DCR is locked before calling this routine
 */
static void locked_detach_dcr_from_dev(DCR *dcr)
{
   DEVICE *dev = dcr->dev;
   Dmsg0(500, "Enter detach_dcr_from_dev\n"); /* jcr is NULL in some cases */

   /* Detach this dcr only if attached */
   if (dcr->attached_to_dev && dev) {
      dcr->unreserve_device();
      dev->Lock();
      Dmsg4(200, "Detach Jid=%d dcr=%p size=%d to dev=%s\n", (uint32_t)dcr->jcr->JobId,
         dcr, dev->attached_dcrs->size(), dev->print_name());
      dcr->attached_to_dev = false;
      if (dev->attached_dcrs->size()) {
         dev->attached_dcrs->remove(dcr);  /* detach dcr from device */
      }
//    remove_dcr_from_dcrs(dcr);      /* remove dcr from jcr list */
      dev->Unlock();
   }
   dcr->attached_to_dev = false;
}
示例#9
0
文件: acquire.c 项目: yunnet/bareos
static void attach_dcr_to_dev(DCR *dcr)
{
   DEVICE *dev;
   JCR *jcr;

   P(dcr->m_mutex);
   dev = dcr->dev;
   jcr = dcr->jcr;
   if (jcr) Dmsg1(500, "JobId=%u enter attach_dcr_to_dev\n", (uint32_t)jcr->JobId);
   /* ***FIXME*** return error if dev not initiated */
   if (!dcr->attached_to_dev && dev->initiated && jcr && jcr->getJobType() != JT_SYSTEM) {
      dev->Lock();
      Dmsg4(200, "Attach Jid=%d dcr=%p size=%d dev=%s\n", (uint32_t)jcr->JobId,
         dcr, dev->attached_dcrs->size(), dev->print_name());
      dev->attached_dcrs->append(dcr);  /* attach dcr to device */
      dev->Unlock();
      dcr->attached_to_dev = true;
   }
   V(dcr->m_mutex);
}
示例#10
0
文件: mount.c 项目: halgandd/bacula
/*
 * If we are reading, we come here at the end of the tape
 *  and see if there are more volumes to be mounted.
 */
bool mount_next_read_volume(DCR *dcr)
{
   DEVICE *dev = dcr->dev;
   JCR *jcr = dcr->jcr;
   Dmsg2(90, "NumReadVolumes=%d CurReadVolume=%d\n", jcr->NumReadVolumes, jcr->CurReadVolume);

   volume_unused(dcr);                /* release current volume */
   /*
    * End Of Tape -- mount next Volume (if another specified)
    */
   if (jcr->NumReadVolumes > 1 && jcr->CurReadVolume < jcr->NumReadVolumes) {
      dev->close();
      if (!acquire_device_for_read(dcr)) {
         Jmsg2(jcr, M_FATAL, 0, _("Cannot open Dev=%s, Vol=%s\n"), dev->print_name(),
               dcr->VolumeName);
         return false;
      }
      return true;                    /* next volume mounted */
   }
   Dmsg0(90, "End of Device reached.\n");
   return false;
}
示例#11
0
文件: stored.c 项目: AlD/bareos
void *device_initialization(void *arg)
{
   DEVRES *device;
   DCR *dcr;
   JCR *jcr;
   DEVICE *dev;
   int errstat;

   LockRes();

   pthread_detach(pthread_self());
   jcr = new_jcr(sizeof(JCR), stored_free_jcr);
   new_plugins(jcr);  /* instantiate plugins */
   jcr->setJobType(JT_SYSTEM);

   /*
    * Initialize job start condition variable
    */
   errstat = pthread_cond_init(&jcr->job_start_wait, NULL);
   if (errstat != 0) {
      berrno be;
      Jmsg1(jcr, M_ABORT, 0, _("Unable to init job start cond variable: ERR=%s\n"), be.bstrerror(errstat));
   }

   /*
    * Initialize job end condition variable
    */
   errstat = pthread_cond_init(&jcr->job_end_wait, NULL);
   if (errstat != 0) {
      berrno be;
      Jmsg1(jcr, M_ABORT, 0, _("Unable to init job endstart cond variable: ERR=%s\n"), be.bstrerror(errstat));
   }

   foreach_res(device, R_DEVICE) {
      Dmsg1(90, "calling init_dev %s\n", device->device_name);
      dev = init_dev(NULL, device);
      Dmsg1(10, "SD init done %s\n", device->device_name);
      if (!dev) {
         Jmsg1(NULL, M_ERROR, 0, _("Could not initialize %s\n"), device->device_name);
         continue;
      }

      jcr->dcr = dcr = new_dcr(jcr, NULL, dev, NULL);
      generate_plugin_event(jcr, bsdEventDeviceInit, dcr);
      if (dev->is_autochanger()) {
         /* If autochanger set slot in dev structure */
         get_autochanger_loaded_slot(dcr);
      }

      if (device->cap_bits & CAP_ALWAYSOPEN) {
         Dmsg1(20, "calling first_open_device %s\n", dev->print_name());
         if (!first_open_device(dcr)) {
            Jmsg1(NULL, M_ERROR, 0, _("Could not open device %s\n"), dev->print_name());
            Dmsg1(20, "Could not open device %s\n", dev->print_name());
            free_dcr(dcr);
            jcr->dcr = NULL;
            continue;
         }
      }

      if (device->cap_bits & CAP_AUTOMOUNT && dev->is_open()) {
         switch (read_dev_volume_label(dcr)) {
         case VOL_OK:
            memcpy(&dev->VolCatInfo, &dcr->VolCatInfo, sizeof(dev->VolCatInfo));
            volume_unused(dcr);             /* mark volume "released" */
            break;
         default:
            Jmsg1(NULL, M_WARNING, 0, _("Could not mount device %s\n"), dev->print_name());
            break;
         }
      }
      free_dcr(dcr);
      jcr->dcr = NULL;
   }
示例#12
0
文件: acquire.c 项目: yunnet/bareos
/*********************************************************************
 * 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;
}
示例#13
0
文件: acquire.c 项目: yunnet/bareos
/*
 * This job is done, so release the device. From a Unix standpoint,
 *  the device remains open.
 *
 * Note, if we were spooling, we may enter with the device blocked.
 *   We unblock at the end, only if it was us who blocked the
 *   device.
 *
 */
bool release_device(DCR *dcr)
{
   utime_t now;
   JCR *jcr = dcr->jcr;
   DEVICE *dev = dcr->dev;
   bool ok = true;
   char tbuf[100];
   int was_blocked = BST_NOT_BLOCKED;

   /*
    * Capture job statistics now that we are done using this device.
    */
   now = (utime_t)time(NULL);
   update_job_statistics(jcr, now);

   dev->Lock();
   if (!dev->is_blocked()) {
      block_device(dev, BST_RELEASING);
   } else {
      was_blocked = dev->blocked();
      dev->set_blocked(BST_RELEASING);
   }
   lock_volumes();
   Dmsg2(100, "release_device device %s is %s\n", dev->print_name(), dev->is_tape() ? "tape" : "disk");

   /*
    * If device is reserved, job never started, so release the reserve here
    */
   dcr->clear_reserved();

   if (dev->can_read()) {
      VOLUME_CAT_INFO *vol = &dev->VolCatInfo;
      dev->clear_read();              /* clear read bit */
      Dmsg2(150, "dir_update_vol_info. label=%d Vol=%s\n",
         dev->is_labeled(), vol->VolCatName);
      if (dev->is_labeled() && vol->VolCatName[0] != 0) {
         dcr->dir_update_volume_info(false, false); /* send Volume info to Director */
         remove_read_volume(jcr, dcr->VolumeName);
         volume_unused(dcr);
      }
   } else if (dev->num_writers > 0) {
      /*
       * Note if WEOT is set, we are at the end of the tape and may not be positioned correctly,
       * so the job_media_record and update_vol_info have already been done,
       * which means we skip them here.
       */
      dev->num_writers--;
      Dmsg1(100, "There are %d writers in release_device\n", dev->num_writers);
      if (dev->is_labeled()) {
         Dmsg2(200, "dir_create_jobmedia. Release vol=%s dev=%s\n",
               dev->getVolCatName(), dev->print_name());
         if (!dev->at_weot() && !dcr->dir_create_jobmedia_record(false)) {
            Jmsg2(jcr, M_FATAL, 0, _("Could not create JobMedia record for Volume=\"%s\" Job=%s\n"),
               dcr->getVolCatName(), jcr->Job);
         }

         /*
          * If no more writers, and no errors, and wrote something, write an EOF
          */
         if (!dev->num_writers && dev->can_write() && dev->block_num > 0) {
            dev->weof(1);
            write_ansi_ibm_labels(dcr, ANSI_EOF_LABEL, dev->VolHdr.VolumeName);
         }
         if (!dev->at_weot()) {
            dev->VolCatInfo.VolCatFiles = dev->file;   /* set number of files */

            /*
             * Note! do volume update before close, which zaps VolCatInfo
             */
            dcr->dir_update_volume_info(false, false); /* send Volume info to Director */
            Dmsg2(200, "dir_update_vol_info. Release vol=%s dev=%s\n",
                  dev->getVolCatName(), dev->print_name());
         }
         if (dev->num_writers == 0) {         /* if not being used */
            volume_unused(dcr);               /*  we obviously are not using the volume */
         }
      }

   } else {
      /*
       * If we reach here, it is most likely because the job has failed,
       * since the device is not in read mode and there are no writers.
       * It was probably reserved.
       */
      volume_unused(dcr);
   }

   Dmsg3(100, "%d writers, %d reserve, dev=%s\n", dev->num_writers, dev->num_reserved(), dev->print_name());

   /*
    * If no writers, close if file or !CAP_ALWAYS_OPEN
    */
   if (dev->num_writers == 0 && (!dev->is_tape() || !dev->has_cap(CAP_ALWAYSOPEN))) {
      dev->close(dcr);
      free_volume(dev);
   }

   unlock_volumes();

   /*
    * Fire off Alert command and include any output
    */
   if (!job_canceled(jcr)) {
      if (!dcr->device->drive_tapealert_enabled && dcr->device->alert_command) {
         int status = 1;
         POOLMEM *alert, *line;
         BPIPE *bpipe;

         alert = get_pool_memory(PM_FNAME);
         line = get_pool_memory(PM_FNAME);

         alert = edit_device_codes(dcr, alert, dcr->device->alert_command, "");

         /*
          * Wait maximum 5 minutes
          */
         bpipe = open_bpipe(alert, 60 * 5, "r");
         if (bpipe) {
            while (bfgets(line, bpipe->rfd)) {
               Jmsg(jcr, M_ALERT, 0, _("Alert: %s"), line);
            }
            status = close_bpipe(bpipe);
         } else {
            status = errno;
         }
         if (status != 0) {
            berrno be;
            Jmsg(jcr, M_ALERT, 0, _("3997 Bad alert command: %s: ERR=%s.\n"), alert, be.bstrerror(status));
         }

         Dmsg1(400, "alert status=%d\n", status);
         free_pool_memory(alert);
         free_pool_memory(line);
      } else {
         /*
          * If all reservations are cleared for this device raise an event that SD plugins can register to.
          */
         if (dev->num_reserved() == 0) {
            generate_plugin_event(jcr, bsdEventDeviceReleased, dcr);
         }
      }
   }

   pthread_cond_broadcast(&dev->wait_next_vol);
   Dmsg2(100, "JobId=%u broadcast wait_device_release at %s\n",
         (uint32_t)jcr->JobId, bstrftimes(tbuf, sizeof(tbuf), (utime_t)time(NULL)));
   release_device_cond();

   /*
    * If we are the thread that blocked the device, then unblock it
    */
   if (pthread_equal(dev->no_wait_id, pthread_self())) {
      dev->dunblock(true);
   } else {
      /*
       * Otherwise, reset the prior block status and unlock
       */
      dev->set_blocked(was_blocked);
      dev->Unlock();
   }

   if (dcr->keep_dcr) {
      detach_dcr_from_dev(dcr);
   } else {
      free_dcr(dcr);
   }

   Dmsg2(100, "Device %s released by JobId=%u\n", dev->print_name(), (uint32_t)jcr->JobId);

   return ok;
}
示例#14
0
文件: acquire.c 项目: yunnet/bareos
/*
 * Acquire device for writing. We permit multiple writers.
 *  If this is the first one, we read the label.
 *
 *  Returns: NULL if failed for any reason
 *           dcr if successful.
 *   Note, normally reserve_device_for_append() is called
 *   before this routine.
 */
DCR *acquire_device_for_append(DCR *dcr)
{
   DEVICE *dev = dcr->dev;
   JCR *jcr = dcr->jcr;
   bool ok = false;
   bool have_vol = false;

   Enter(200);
   init_device_wait_timers(dcr);

   dev->Lock_acquire();             /* only one job at a time */
   dev->Lock();
   Dmsg1(100, "acquire_append device is %s\n", dev->is_tape() ? "tape" : "disk");

   /*
    * With the reservation system, this should not happen
    */
   if (dev->can_read()) {
      Jmsg1(jcr, M_FATAL, 0, _("Want to append, but device %s is busy reading.\n"), dev->print_name());
      Dmsg1(200, "Want to append but device %s is busy reading.\n", dev->print_name());
      goto get_out;
   }

   dev->clear_unload();

   /*
    * have_vol defines whether or not mount_next_write_volume should
    *   ask the Director again about what Volume to use.
    */
   if (dev->can_append() && dcr->is_suitable_volume_mounted() &&
       !bstrcmp(dcr->VolCatInfo.VolCatStatus, "Recycle")) {
      Dmsg0(190, "device already in append.\n");
      /*
       * At this point, the correct tape is already mounted, so
       *   we do not need to do mount_next_write_volume(), unless
       *   we need to recycle the tape.
       */
       if (dev->num_writers == 0) {
          dev->VolCatInfo = dcr->VolCatInfo;   /* structure assignment */
       }
       have_vol = dcr->is_tape_position_ok();
   }

   if (!have_vol) {
      dev->rLock(true);
      block_device(dev, BST_DOING_ACQUIRE);
      dev->Unlock();
      Dmsg1(190, "jid=%u Do mount_next_write_vol\n", (uint32_t)jcr->JobId);
      if (!dcr->mount_next_write_volume()) {
         if (!job_canceled(jcr)) {
            /* Reduce "noise" -- don't print if job canceled */
            Jmsg(jcr, M_FATAL, 0, _("Could not ready device %s for append.\n"),
               dev->print_name());
            Dmsg1(200, "Could not ready device %s for append.\n",
               dev->print_name());
         }
         dev->Lock();
         unblock_device(dev);
         goto get_out;
      }
      Dmsg2(190, "Output pos=%u:%u\n", dcr->dev->file, dcr->dev->block_num);
      dev->Lock();
      unblock_device(dev);
   }

   dev->num_writers++;                /* we are now a writer */
   if (jcr->NumWriteVolumes == 0) {
      jcr->NumWriteVolumes = 1;
   }
   dev->VolCatInfo.VolCatJobs++;              /* increment number of jobs on vol */
   Dmsg4(100, "=== nwriters=%d nres=%d vcatjob=%d dev=%s\n",
         dev->num_writers, dev->num_reserved(), dev->VolCatInfo.VolCatJobs, dev->print_name());
   dcr->dir_update_volume_info(false, false); /* send Volume info to Director */
   ok = true;

get_out:
   /* Don't plugin close here, we might have multiple writers */
   dcr->clear_reserved();
   dev->Unlock();
   dev->Unlock_acquire();
   Leave(200);
   return ok ? dcr : NULL;
}
示例#15
0
文件: butil.c 项目: pstray/bareos
/*
 * Setup device, jcr, and prepare to access device.
 *   If the caller wants read access, acquire the device, otherwise,
 *     the caller will do it.
 */
static DCR *setup_to_access_device(JCR *jcr, char *dev_name,
              const char *VolumeName, int mode)
{
   DEVICE *dev;
   char *p;
   DEVRES *device;
   DCR *dcr;
   char VolName[MAX_NAME_LENGTH];

   init_reservations_lock();

   /*
    * If no volume name already given and no bsr, and it is a file,
    * try getting name from Filename
    */
   if (VolumeName) {
      bstrncpy(VolName, VolumeName, sizeof(VolName));
      if (strlen(VolumeName) >= MAX_NAME_LENGTH) {
         Jmsg0(jcr, M_ERROR, 0, _("Volume name or names is too long. Please use a .bsr file.\n"));
      }
   } else {
      VolName[0] = 0;
   }
   if (!jcr->bsr && VolName[0] == 0) {
      if (!bstrncmp(dev_name, "/dev/", 5)) {
         /* Try stripping file part */
         p = dev_name + strlen(dev_name);

         while (p >= dev_name && !IsPathSeparator(*p))
            p--;
         if (IsPathSeparator(*p)) {
            bstrncpy(VolName, p+1, sizeof(VolName));
            *p = 0;
         }
      }
   }

   if ((device=find_device_res(dev_name, mode)) == NULL) {
      Jmsg2(jcr, M_FATAL, 0, _("Cannot find device \"%s\" in config file %s.\n"),
           dev_name, configfile);
      return NULL;
   }

   dev = init_dev(jcr, device);
   if (!dev) {
      Jmsg1(jcr, M_FATAL, 0, _("Cannot init device %s\n"), dev_name);
      return NULL;
   }
   device->dev = dev;
   jcr->dcr = dcr = new_dcr(jcr, NULL, dev);
   if (VolName[0]) {
      bstrncpy(dcr->VolumeName, VolName, sizeof(dcr->VolumeName));
   }
   bstrncpy(dcr->dev_name, device->device_name, sizeof(dcr->dev_name));

   create_restore_volume_list(jcr);

   if (mode) {                        /* read only access? */
      Dmsg0(100, "Acquire device for read\n");
      if (!acquire_device_for_read(dcr)) {
         return NULL;
      }
      jcr->read_dcr = dcr;
   } else {
      if (!first_open_device(dcr)) {
         Jmsg1(jcr, M_FATAL, 0, _("Cannot open %s\n"), dev->print_name());
         return NULL;
      }
      jcr->dcr = dcr;        /* write dcr */
   }
   return dcr;
}
示例#16
0
文件: mac.c 项目: AlD/bareos
/*
 * Called here for each record from read_records()
 * This function is used when we do a internal clone of a Job e.g.
 * this SD is both the reading and writing SD.
 *
 * Returns: true if OK
 *           false if error
 */
static bool clone_record_internally(DCR *dcr, DEV_RECORD *rec)
{
   JCR *jcr = dcr->jcr;
   DEVICE *dev = jcr->dcr->dev;
   char buf1[100], buf2[100];

#ifdef xxx
   Dmsg5(000, "on entry     JobId=%d FI=%s SessId=%d Strm=%s len=%d\n",
         jcr->JobId, FI_to_ascii(buf1, rec->FileIndex), rec->VolSessionId,
         stream_to_ascii(buf2, rec->Stream, rec->FileIndex), rec->data_len);
#endif

   /*
    * If label and not for us, discard it
    */
   if (rec->FileIndex < 0 && rec->match_stat <= 0) {
      return true;
   }

   /*
    * We want to write SOS_LABEL and EOS_LABEL discard all others
    */
   switch (rec->FileIndex) {
   case PRE_LABEL:
   case VOL_LABEL:
   case EOT_LABEL:
   case EOM_LABEL:
      return true;                    /* don't write vol labels */
   }

//   if (jcr->is_JobType(JT_BACKUP)) {
      /*
       * For normal migration jobs, FileIndex values are sequential because
       *  we are dealing with one job.  However, for Vbackup (consolidation),
       *  we will be getting records from multiple jobs and writing them back
       *  out, so we need to ensure that the output FileIndex is sequential.
       *  We do so by detecting a FileIndex change and incrementing the
       *  JobFiles, which we then use as the output FileIndex.
       */
      if (rec->FileIndex >= 0) {
         /*
          * If something changed, increment FileIndex
          */
         if (rec->VolSessionId != rec->last_VolSessionId ||
             rec->VolSessionTime != rec->last_VolSessionTime ||
             rec->FileIndex != rec->last_FileIndex) {
            jcr->JobFiles++;
            rec->last_VolSessionId = rec->VolSessionId;
            rec->last_VolSessionTime = rec->VolSessionTime;
            rec->last_FileIndex = rec->FileIndex;
         }
         rec->FileIndex = jcr->JobFiles;     /* set sequential output FileIndex */
      }
//   }

   /*
    * Modify record SessionId and SessionTime to correspond to output.
    */
   rec->VolSessionId = jcr->VolSessionId;
   rec->VolSessionTime = jcr->VolSessionTime;

   Dmsg5(200, "before write JobId=%d FI=%s SessId=%d Strm=%s len=%d\n",
         jcr->JobId, FI_to_ascii(buf1, rec->FileIndex), rec->VolSessionId,
         stream_to_ascii(buf2, rec->Stream, rec->FileIndex), rec->data_len);

   while (!write_record_to_block(jcr->dcr, rec)) {
      Dmsg4(200, "!write_record_to_block blkpos=%u:%u len=%d rem=%d\n",
            dev->file, dev->block_num, rec->data_len, rec->remainder);
      if (!jcr->dcr->write_block_to_device()) {
         Dmsg2(90, "Got write_block_to_dev error on device %s. %s\n",
            dev->print_name(), dev->bstrerror());
         Jmsg2(jcr, M_FATAL, 0, _("Fatal append error on device %s: ERR=%s\n"),
               dev->print_name(), dev->bstrerror());
         return false;
      }
      Dmsg2(200, "===== Wrote block new pos %u:%u\n", dev->file, dev->block_num);
   }

   /*
    * Restore packet
    */
   rec->VolSessionId = rec->last_VolSessionId;
   rec->VolSessionTime = rec->last_VolSessionTime;
   if (rec->FileIndex < 0) {
      return true;                    /* don't send LABELs to Dir */
   }

   jcr->JobBytes += rec->data_len;   /* increment bytes of this job */

   Dmsg5(500, "wrote_record JobId=%d FI=%s SessId=%d Strm=%s len=%d\n",
         jcr->JobId, FI_to_ascii(buf1, rec->FileIndex), rec->VolSessionId,
         stream_to_ascii(buf2, rec->Stream, rec->FileIndex), rec->data_len);

   send_attrs_to_dir(jcr, rec);

   return true;
}
示例#17
0
文件: dev.c 项目: dl5rcw/bareos
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;
}
示例#18
0
文件: dvd.c 项目: anarexia/bacula
/*
 * Open the first part file.
 *  - Close the fd
 *  - Reopen the device
 */
static bool dvd_open_first_part(DCR *dcr, int mode)
{
   DEVICE *dev = dcr->dev;

   Dmsg5(29, "Enter: ==== open_first_part dev=%s Vol=%s mode=%d num_dvd_parts=%d append=%d\n", dev->print_name(), 
         dev->getVolCatName(), dev->openmode, dev->num_dvd_parts, dev->can_append());


   dev->close_part(dcr);

   Dmsg2(400, "Call dev->open(vol=%s, mode=%d)\n", dcr->getVolCatName(), 
         mode);
   Dmsg0(100, "Set part=1\n");
   dev->part = 1;
   dev->part_start = 0;

   if (dev->open(dcr, mode) < 0) {
      Dmsg0(400, "open dev() failed\n");
      return false;
   }
   Dmsg2(400, "Leave open_first_part state=%s append=%d\n", dev->is_open()?"open":"not open", dev->can_append());
   
   return true;
}
示例#19
0
文件: askdir.c 项目: AlD/bareos
/**
 *   Request the sysop to create an appendable volume
 *
 *   Entered with device blocked.
 *   Leaves with device blocked.
 *
 *   Returns: true  on success (operator issues a mount command)
 *            false on failure
 *              Note, must create dev->errmsg on error return.
 *
 *    On success, dcr->VolumeName and dcr->VolCatInfo contain
 *      information on suggested volume, but this may not be the
 *      same as what is actually mounted.
 *
 *    When we return with success, the correct tape may or may not
 *      actually be mounted. The calling routine must read it and
 *      verify the label.
 */
bool dir_ask_sysop_to_create_appendable_volume(DCR *dcr)
{
   int status = W_TIMEOUT;
   DEVICE *dev = dcr->dev;
   JCR *jcr = dcr->jcr;
   bool got_vol = false;

   if (job_canceled(jcr)) {
      return false;
   }
   Dmsg0(dbglvl, "enter dir_ask_sysop_to_create_appendable_volume\n");
   ASSERT(dev->blocked());
   for ( ;; ) {
      if (job_canceled(jcr)) {
         Mmsg(dev->errmsg,
              _("Job %s canceled while waiting for mount on Storage Device \"%s\".\n"),
              jcr->Job, dev->print_name());
         Jmsg(jcr, M_INFO, 0, "%s", dev->errmsg);
         return false;
      }
      got_vol = dir_find_next_appendable_volume(dcr);   /* get suggested volume */
      if (got_vol) {
         goto get_out;
      } else {
         if (status == W_TIMEOUT || status == W_MOUNT) {
            Mmsg(dev->errmsg, _(
"Job %s is waiting. Cannot find any appendable volumes.\n"
"Please use the \"label\" command to create a new Volume for:\n"
"    Storage:      %s\n"
"    Pool:         %s\n"
"    Media type:   %s\n"),
               jcr->Job,
               dev->print_name(),
               dcr->pool_name,
               dcr->media_type);
            Jmsg(jcr, M_MOUNT, 0, "%s", dev->errmsg);
            Dmsg1(dbglvl, "%s", dev->errmsg);
         }
      }

      jcr->sendJobStatus(JS_WaitMedia);

      status = wait_for_sysop(dcr);
      Dmsg1(dbglvl, "Back from wait_for_sysop status=%d\n", status);
      if (dev->poll) {
         Dmsg1(dbglvl, "Poll timeout in create append vol on device %s\n", dev->print_name());
         continue;
      }

      if (status == W_TIMEOUT) {
         if (!double_dev_wait_time(dev)) {
            Mmsg(dev->errmsg, _("Max time exceeded waiting to mount Storage Device %s for Job %s\n"),
               dev->print_name(), jcr->Job);
            Jmsg(jcr, M_FATAL, 0, "%s", dev->errmsg);
            Dmsg1(dbglvl, "Gave up waiting on device %s\n", dev->print_name());
            return false;             /* exceeded maximum waits */
         }
         continue;
      }
      if (status == W_ERROR) {
         berrno be;
         Mmsg0(dev->errmsg, _("pthread error in mount_next_volume.\n"));
         Jmsg(jcr, M_FATAL, 0, "%s", dev->errmsg);
         return false;
      }
      Dmsg1(dbglvl, "Someone woke me for device %s\n", dev->print_name());
   }

get_out:
   jcr->sendJobStatus(JS_Running);
   Dmsg0(dbglvl, "leave dir_ask_sysop_to_mount_create_appendable_volume\n");
   return true;
}
示例#20
0
文件: dvd.c 项目: anarexia/bacula
/*
 * Open the next part file.
 *  - Close the fd
 *  - Increment part number 
 *  - Reopen the device
 */
int dvd_open_next_part(DCR *dcr)
{
   DEVICE *dev = dcr->dev;

   Dmsg6(29, "Enter: == open_next_part part=%d npart=%d dev=%s vol=%s mode=%d file_addr=%d\n", 
      dev->part, dev->num_dvd_parts, dev->print_name(),
         dev->getVolCatName(), dev->openmode, dev->file_addr);
   if (!dev->is_dvd()) {
      Dmsg1(100, "Device %s is not dvd!!!!\n", dev->print_name()); 
      return -1;
   }
   
   /* When appending, do not open a new part if the current is empty */
   if (dev->can_append() && (dev->part > dev->num_dvd_parts) && 
       (dev->part_size == 0)) {
      Dmsg0(29, "open_next_part exited immediately (dev->part_size == 0).\n");
      return dev->fd();
   }

   dev->close_part(dcr);               /* close current part */
   
   /*
    * If we have a spooled part open, write it to the
    *  DVD before opening the next part.
    */
   if (dev->is_part_spooled()) {
      Dmsg2(100, "Before open next write previous. part=%d num_parts=%d\n",
         dev->part, dev->num_dvd_parts);
      if (!dvd_write_part(dcr)) {
         Dmsg0(29, "Error in dvd_write part.\n");
         return -1;
      }
   }
     
   dev->part_start += dev->part_size;
   dev->part++;
   Dmsg2(29, "Inc part=%d num_dvd_parts=%d\n", dev->part, dev->num_dvd_parts);

   /* Are we working on a part past what is written in the DVD? */
   if (dev->num_dvd_parts < dev->part) {
      POOL_MEM archive_name(PM_FNAME);
      struct stat buf;
      /* 
       * First check what is on DVD.  If our part is there, we
       *   are in trouble, so bail out.
       * NB: This is however not a problem if we are writing the first part.
       * It simply means that we are over writing an existing volume...
       */
      if (dev->num_dvd_parts > 0) {
         make_mounted_dvd_filename(dev, archive_name);   /* makes dvd name */
         Dmsg1(100, "Check if part on DVD: %s\n", archive_name.c_str());
         if (stat(archive_name.c_str(), &buf) == 0) {
            /* bad news bail out */
            dev->set_part_spooled(false);
            Mmsg1(&dev->errmsg, _("Next Volume part already exists on DVD. Cannot continue: %s\n"),
               archive_name.c_str());
            return -1;
         }
      }

#ifdef neeeded
      Dmsg2(400, "num_dvd_parts=%d part=%d\n", dev->num_dvd_parts, dev->part);
      make_spooled_dvd_filename(dev, archive_name);   /* makes spool name */
      
      /* Check if the next part exists in spool directory . */
      Dmsg1(100, "Check if part on spool: %s\n", archive_name.c_str());
      if ((stat(archive_name.c_str(), &buf) == 0) || (errno != ENOENT)) {
         Dmsg1(29, "======= Part %s is in the way, deleting it...\n", archive_name.c_str());
         /* Then try to unlink it */
         if (unlink(archive_name.c_str()) < 0) {
            berrno be;
            dev->set_part_spooled(false);
            dev->dev_errno = errno;
            Mmsg2(dev->errmsg, _("open_next_part can't unlink existing part %s, ERR=%s\n"), 
                   archive_name.c_str(), be.bstrerror());
            return -1;
         }
      }
#endif
   }

   Dmsg2(400, "Call dev->open(vol=%s, mode=%d)\n", dcr->getVolCatName(), 
         dev->openmode);

   /* Open next part.  Note, this sets part_size for part opened. */
   if (dev->open(dcr, OPEN_READ_ONLY) < 0) {
      return -1;
   } 
   dev->set_labeled();                   /* all next parts are "labeled" */
   
   return dev->fd();
}
示例#21
0
文件: dvd.c 项目: anarexia/bacula
/*
 * Note!!!! Part numbers now begin at 1. The part number is
 *  suppressed from the first part, which is just the Volume
 *  name. Each subsequent part is the Volumename.partnumber.
 *
 * Write a part (Vol, Vol.2, ...) from the spool to the DVD   
 * This routine does not update the part number, so normally, you
 *  should call open_next_part()
 *
 * It is also called from truncate_dvd to "blank" the medium, as
 *  well as from block.c when the DVD is full to write the last part.
 */
bool dvd_write_part(DCR *dcr)
{
   DEVICE *dev = dcr->dev;
   POOL_MEM archive_name(PM_FNAME);
   
   /*
    * Don't write empty part files.
    * This is only useful when growisofs does not support write beyond
    * the 4GB boundary.
    * Example :
    *   - 3.9 GB on the volume, dvd-freespace reports 0.4 GB free
    *   - Write 0.2 GB on the volume, Bacula thinks it could still
    *     append data, it creates a new empty part.
    *   - dvd-freespace reports 0 GB free, as the 4GB boundary has
    *     been crossed
    *   - Bacula thinks he must finish to write to the device, so it
    *     tries to write the last part (0-byte), but dvd-writepart fails...
    *
    * There is one exception: when recycling a volume, we write a blank part
    * file, so, then, we need to accept to write it.
    */
   if (dev->part_size == 0 && !dev->truncating) {
      Dmsg2(29, "dvd_write_part: device is %s, won't write blank part %d\n", dev->print_name(), dev->part);
      /* Delete spool file */
      make_spooled_dvd_filename(dev, archive_name);
      unlink(archive_name.c_str());
      dev->set_part_spooled(false);
      Dmsg1(29, "========= unlink(%s)\n", archive_name.c_str());
      Dsm_check(400);
      return true;
   }
   
   POOL_MEM ocmd(PM_FNAME);
   POOL_MEM results(PM_MESSAGE);
   char* icmd;
   int status;
   int timeout;
   char ed1[50];
   
   dev->clear_freespace_ok();             /* need to update freespace */

   Dsm_check(400);
   Dmsg3(29, "dvd_write_part: device is %s, part is %d, is_mounted=%d\n", dev->print_name(), dev->part, dev->is_mounted());
   icmd = dev->device->write_part_command;
   
   dev->edit_mount_codes(ocmd, icmd);
      
   /*
    * original line follows
    * timeout = dev->max_open_wait + (dev->max_part_size/(1350*1024/2));
    * I modified this for a longer timeout; pre-formatting, blanking and
    * writing can take quite a while
    */

   /* Explanation of the timeout value, when writing the first part,
    *  by Arno Lehmann :
    * 9 GB, write speed 1x: 6990 seconds (almost 2 hours...)
    * Overhead: 900 seconds (starting, initializing, finalizing,probably 
    *   reloading 15 minutes)
    * Sum: 15780.
    * A reasonable last-exit timeout would be 16000 seconds. Quite long - 
    * almost 4.5 hours, but hopefully, that timeout will only ever be needed 
    * in case of a serious emergency.
    */

   if (dev->part == 1) {
      timeout = 16000;
   } else {
      timeout = dev->max_open_wait + (dev->part_size/(1350*1024/4));
   }

   Dmsg2(20, "Write part: cmd=%s timeout=%d\n", ocmd.c_str(), timeout);
   status = run_program_full_output(ocmd.c_str(), timeout, results.addr());
   Dmsg2(20, "Write part status=%d result=%s\n", status, results.c_str());

   dev->blank_dvd = false;
   if (status != 0) {
      Jmsg2(dcr->jcr, M_FATAL, 0, _("Error writing part %d to the DVD: ERR=%s\n"),
         dev->part, results.c_str());
      Mmsg1(dev->errmsg, _("Error while writing current part to the DVD: %s"), 
            results.c_str());
      Dmsg1(100, "%s\n", dev->errmsg);
      dev->dev_errno = EIO;
      if (!dev->truncating) {
         dcr->mark_volume_in_error();
      }
      Dsm_check(400);
      return false;
   }
   Jmsg(dcr->jcr, M_INFO, 0, _("Part %d (%lld bytes) written to DVD.\n"), dev->part, dev->part_size);
   Dmsg3(400, "dvd_write_part: Part %d (%lld bytes) written to DVD\nResults: %s\n",
            dev->part, dev->part_size, results.c_str());
    
   dev->num_dvd_parts++;            /* there is now one more part on DVD */
   dev->VolCatInfo.VolCatParts = dev->num_dvd_parts;
   dcr->VolCatInfo.VolCatParts = dev->num_dvd_parts;
   Dmsg1(100, "Update num_parts=%d\n", dev->num_dvd_parts);

   /* Delete spool file */
   make_spooled_dvd_filename(dev, archive_name);
   unlink(archive_name.c_str());
   dev->set_part_spooled(false);
   Dmsg1(29, "========= unlink(%s)\n", archive_name.c_str());
   Dsm_check(400);
   
   /* growisofs umounted the device, so remount it (it will update the free space) */
   dev->clear_mounted();
   dev->mount(1);
   Jmsg(dcr->jcr, M_INFO, 0, _("Remaining free space %s on %s\n"), 
      edit_uint64_with_commas(dev->free_space, ed1), dev->print_name());
   Dsm_check(400);
   return true;
}
示例#22
0
/*
 *  Append Data sent from Client (FD/SD)
 *
 */
bool do_append_data(JCR *jcr)
{
   int32_t n;
   int32_t file_index, stream, last_file_index;
   uint64_t stream_len;
   BSOCK *fd = jcr->file_bsock;
   bool ok = true;
   DEV_RECORD rec;
   char buf1[100], buf2[100];
   DCR *dcr = jcr->dcr;
   DEVICE *dev;
   char ec[50];
   POOLMEM *eblock = NULL;
   POOL_MEM errmsg(PM_EMSG);

   if (!dcr) {
      pm_strcpy(jcr->errmsg, _("DCR is NULL!!!\n"));
      Jmsg0(jcr, M_FATAL, 0, jcr->errmsg);
      return false;
   }
   dev = dcr->dev;
   if (!dev) {
      pm_strcpy(jcr->errmsg, _("DEVICE is NULL!!!\n"));
      Jmsg0(jcr, M_FATAL, 0, jcr->errmsg);
      return false;
   }

   Dmsg1(100, "Start append data. res=%d\n", dev->num_reserved());

   memset(&rec, 0, sizeof(rec));

   if (!fd->set_buffer_size(dcr->device->max_network_buffer_size, BNET_SETBUF_WRITE)) {
      jcr->setJobStatus(JS_ErrorTerminated);
      pm_strcpy(jcr->errmsg, _("Unable to set network buffer size.\n"));
      Jmsg0(jcr, M_FATAL, 0, jcr->errmsg);
      return false;
   }

   if (!acquire_device_for_append(dcr)) {
      jcr->setJobStatus(JS_ErrorTerminated);
      return false;
   }

   jcr->sendJobStatus(JS_Running);

   //ASSERT(dev->VolCatInfo.VolCatName[0]);
   if (dev->VolCatInfo.VolCatName[0] == 0) {
      Pmsg0(000, _("NULL Volume name. This shouldn't happen!!!\n"));
   }
   Dmsg1(50, "Begin append device=%s\n", dev->print_name());

   begin_data_spool(dcr);
   begin_attribute_spool(jcr);

   Dmsg0(100, "Just after acquire_device_for_append\n");
   //ASSERT(dev->VolCatInfo.VolCatName[0]);
   if (dev->VolCatInfo.VolCatName[0] == 0) {
      Pmsg0(000, _("NULL Volume name. This shouldn't happen!!!\n"));
   }
   /*
    * Write Begin Session Record
    */
   if (!write_session_label(dcr, SOS_LABEL)) {
      Jmsg1(jcr, M_FATAL, 0, _("Write session label failed. ERR=%s\n"),
         dev->bstrerror());
      jcr->setJobStatus(JS_ErrorTerminated);
      ok = false;
   }

   //ASSERT(dev->VolCatInfo.VolCatName[0]);
   if (dev->VolCatInfo.VolCatName[0] == 0) {
      Pmsg0(000, _("NULL Volume name. This shouldn't happen!!!\n"));
   }

   /* Tell File daemon to send data */
   if (!fd->fsend(OK_data)) {
      berrno be;
      Jmsg1(jcr, M_FATAL, 0, _("Network send error to FD. ERR=%s\n"),
            be.bstrerror(fd->b_errno));
      ok = false;
   }

   /*
    * Get Data from File daemon, write to device.  To clarify what is
    *   going on here.  We expect:
    *     - A stream header
    *     - Multiple records of data
    *     - EOD record
    *
    *    The Stream header is just used to synchronize things, and
    *    none of the stream header is written to tape.
    *    The Multiple records of data, contain first the Attributes,
    *    then after another stream header, the file data, then
    *    after another stream header, the MD5 data if any.
    *
    *   So we get the (stream header, data, EOD) three time for each
    *   file. 1. for the Attributes, 2. for the file data if any,
    *   and 3. for the MD5 if any.
    */
   dcr->VolFirstIndex = dcr->VolLastIndex = 0;
   jcr->run_time = time(NULL);              /* start counting time for rates */

   GetMsg *qfd;

   qfd = New(GetMsg(jcr, fd, NULL, GETMSG_MAX_MSG_SIZE));
   qfd->start_read_sock();

   for (last_file_index = 0; ok && !jcr->is_job_canceled(); ) {

      /* Read Stream header from the File daemon.
       *  The stream header consists of the following:
       *    file_index (sequential Bacula file index, base 1)
       *    stream     (Bacula number to distinguish parts of data)
       *    stream_len (Expected length of this stream. This
       *       will be the size backed up if the file does not
       *       grow during the backup.
       */
      n = qfd->bget_msg(NULL);
      if (n <= 0) {
         if (n == BNET_SIGNAL && qfd->msglen == BNET_EOD) {
            Dmsg0(200, "Got EOD on reading header.\n");
            break;                    /* end of data */
         }
         Jmsg3(jcr, M_FATAL, 0, _("Error reading data header from FD. n=%d msglen=%d ERR=%s\n"),
               n, qfd->msglen, fd->bstrerror());
         // ASX TODO the fd->bstrerror() can be related to the wrong error, I should Queue the error too
         possible_incomplete_job(jcr, last_file_index);
         ok = false;
         break;
      }

      if (sscanf(qfd->msg, "%ld %ld %lld", &file_index, &stream, &stream_len) != 3) {
         // TODO ASX already done in bufmsg, should reuse the values
         char buf[256];
         Jmsg1(jcr, M_FATAL, 0, _("Malformed data header from FD: %s\n"), asciidump(qfd->msg, qfd->msglen, buf, sizeof(buf)));
         ok = false;
         possible_incomplete_job(jcr, last_file_index);
         break;
      }

      Dmsg3(890, "<filed: Header FilInx=%d stream=%d stream_len=%lld\n",
         file_index, stream, stream_len);

      /*
       * We make sure the file_index is advancing sequentially.
       * An incomplete job can start the file_index at any number.
       * otherwise, it must start at 1.
       */
      if (jcr->rerunning && file_index > 0 && last_file_index == 0) {
         goto fi_checked;
      }
      Dmsg2(400, "file_index=%d last_file_index=%d\n", file_index, last_file_index);
      if (file_index > 0 && (file_index == last_file_index ||
          file_index == last_file_index + 1)) {
         goto fi_checked;
      }
      Jmsg2(jcr, M_FATAL, 0, _("FI=%d from FD not positive or last_FI=%d\n"),
            file_index, last_file_index);
      possible_incomplete_job(jcr, last_file_index);
      ok = false;
      break;

fi_checked:
      if (file_index != last_file_index) {
         jcr->JobFiles = file_index;
         last_file_index = file_index;
      }

      /* Read data stream from the File daemon.
       *  The data stream is just raw bytes
       */
      while ((n=qfd->bget_msg(NULL)) > 0 && !jcr->is_job_canceled()) {

         rec.VolSessionId = jcr->VolSessionId;
         rec.VolSessionTime = jcr->VolSessionTime;
         rec.FileIndex = file_index;
         rec.Stream = stream;
         rec.StreamLen = stream_len;
         rec.maskedStream = stream & STREAMMASK_TYPE;   /* strip high bits */
         rec.data_len = qfd->msglen;
         rec.data = qfd->msg;            /* use message buffer */

         Dmsg4(850, "before writ_rec FI=%d SessId=%d Strm=%s len=%d\n",
            rec.FileIndex, rec.VolSessionId,
            stream_to_ascii(buf1, rec.Stream,rec.FileIndex),
            rec.data_len);
         ok = dcr->write_record(&rec);
         if (!ok) {
            Dmsg2(90, "Got write_block_to_dev error on device %s. %s\n",
                  dcr->dev->print_name(), dcr->dev->bstrerror());
            break;
         }
         jcr->JobBytes += rec.data_len;   /* increment bytes this job */
         jcr->JobBytes += qfd->bmsg->jobbytes; // if the block as been downloaded, count it
         Dmsg4(850, "write_record FI=%s SessId=%d Strm=%s len=%d\n",
            FI_to_ascii(buf1, rec.FileIndex), rec.VolSessionId,
            stream_to_ascii(buf2, rec.Stream, rec.FileIndex), rec.data_len);

         send_attrs_to_dir(jcr, &rec);
         Dmsg0(650, "Enter bnet_get\n");
      }
      Dmsg2(650, "End read loop with FD. JobFiles=%d Stat=%d\n", jcr->JobFiles, n);

      if (fd->is_error()) {
         if (!jcr->is_job_canceled()) {
            Dmsg1(350, "Network read error from FD. ERR=%s\n", fd->bstrerror());
            Jmsg1(jcr, M_FATAL, 0, _("Network error reading from FD. ERR=%s\n"),
                  fd->bstrerror());
            possible_incomplete_job(jcr, last_file_index);
         }
         ok = false;
         break;
      }
   }

   qfd->wait_read_sock();
   free_GetMsg(qfd);

   if (eblock != NULL) {
      free_pool_memory(eblock);
   }

   /* Create Job status for end of session label */
   jcr->setJobStatus(ok?JS_Terminated:JS_ErrorTerminated);

   if (ok) {
      /* Terminate connection with Client */
      fd->fsend(OK_append);
      do_client_commands(jcr);            /* finish dialog with Client */
   } else {
      fd->fsend("3999 Failed append\n");
   }

   Dmsg1(200, "Write EOS label JobStatus=%c\n", jcr->JobStatus);

   /*
    * Check if we can still write. This may not be the case
    *  if we are at the end of the tape or we got a fatal I/O error.
    */
   if (ok || dev->can_write()) {
      if (!write_session_label(dcr, EOS_LABEL)) {
         /* Print only if ok and not cancelled to avoid spurious messages */
         if (ok && !jcr->is_job_canceled()) {
            Jmsg1(jcr, M_FATAL, 0, _("Error writing end session label. ERR=%s\n"),
                  dev->bstrerror());
            possible_incomplete_job(jcr, last_file_index);
         }
         jcr->setJobStatus(JS_ErrorTerminated);
         ok = false;
      }
      /* Flush out final partial block of this session */
      if (!dcr->write_final_block_to_device()) {
         /* Print only if ok and not cancelled to avoid spurious messages */
         if (ok && !jcr->is_job_canceled()) {
            Jmsg2(jcr, M_FATAL, 0, _("Fatal append error on device %s: ERR=%s\n"),
                  dev->print_name(), dev->bstrerror());
            Dmsg0(100, _("Set ok=FALSE after write_final_block_to_device.\n"));
            possible_incomplete_job(jcr, last_file_index);
         }
         jcr->setJobStatus(JS_ErrorTerminated);
         ok = false;
      }
   }
   flush_jobmedia_queue(jcr);
   if (!ok && !jcr->is_JobStatus(JS_Incomplete)) {
      discard_data_spool(dcr);
   } else {
      /* Note: if commit is OK, the device will remain blocked */
      commit_data_spool(dcr);
   }

   /*
    * Don't use time_t for job_elapsed as time_t can be 32 or 64 bits,
    *   and the subsequent Jmsg() editing will break
    */
   int32_t job_elapsed = time(NULL) - jcr->run_time;

   if (job_elapsed <= 0) {
      job_elapsed = 1;
   }

   Jmsg(dcr->jcr, M_INFO, 0, _("Elapsed time=%02d:%02d:%02d, Transfer rate=%s Bytes/second\n"),
         job_elapsed / 3600, job_elapsed % 3600 / 60, job_elapsed % 60,
         edit_uint64_with_suffix(jcr->JobBytes / job_elapsed, ec));

   /*
    * Release the device -- and send final Vol info to DIR
    *  and unlock it.
    */
   release_device(dcr);

   if ((!ok || jcr->is_job_canceled()) && !jcr->is_JobStatus(JS_Incomplete)) {
      discard_attribute_spool(jcr);
   } else {
      commit_attribute_spool(jcr);
   }

   jcr->sendJobStatus();          /* update director */

   Dmsg1(100, "return from do_append_data() ok=%d\n", ok);
   return ok;
}
示例#23
0
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;
}
示例#24
0
文件: dev.c 项目: dl5rcw/bareos
/*
 * Set the block size of the device.
 * If the volume block size is zero, we set the max block size to what is
 * configured in the device resource i.e. dev->device->max_block_size.
 *
 * If dev->device->max_block_size is zero, do nothing and leave dev->max_block_size as it is.
 */
void DEVICE::set_blocksizes(DCR *dcr) {

   DEVICE* dev = this;
   JCR* jcr = dcr->jcr;
   uint32_t max_bs;

   Dmsg4(100, "Device %s has dev->device->max_block_size of %u and dev->max_block_size of %u, dcr->VolMaxBlocksize is %u\n",
         dev->print_name(), dev->device->max_block_size, dev->max_block_size, dcr->VolMaxBlocksize);

   if (dcr->VolMaxBlocksize == 0 && dev->device->max_block_size != 0) {
      Dmsg2(100, "setting dev->max_block_size to dev->device->max_block_size=%u "
                 "on device %s because dcr->VolMaxBlocksize is 0\n",
            dev->device->max_block_size, dev->print_name());
      dev->min_block_size = dev->device->min_block_size;
      dev->max_block_size = dev->device->max_block_size;
   } else if (dcr->VolMaxBlocksize != 0) {
       dev->min_block_size = dcr->VolMinBlocksize;
       dev->max_block_size = dcr->VolMaxBlocksize;
   }

   /*
    * 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());
   }

   Dmsg3(100, "set minblocksize to %d, maxblocksize to %d on device %s\n",
         dev->min_block_size, dev->max_block_size, dev->print_name());

   /*
    * If blocklen is not dev->max_block_size create a new block with the right size.
    * (as header is always dev->label_block_size which is preset with DEFAULT_BLOCK_SIZE)
    */
   if (dcr->block) {
     if (dcr->block->buf_len != dev->max_block_size) {
         Dmsg2(100, "created new block of buf_len: %u on device %s\n",
               dev->max_block_size, dev->print_name());
         free_block(dcr->block);
         dcr->block = new_block(dev);
         Dmsg2(100, "created new block of buf_len: %u on device %s, freeing block\n",
               dcr->block->buf_len, dev->print_name());
      }
   }
}
示例#25
0
文件: askdir.c 项目: AlD/bareos
/**
 *   Request to mount specific Volume
 *
 *   Entered with device blocked and dcr->VolumeName is desired
 *      volume.
 *   Leaves with device blocked.
 *
 *   Returns: true  on success (operator issues a mount command)
 *            false on failure
 *                  Note, must create dev->errmsg on error return.
 *
 */
bool dir_ask_sysop_to_mount_volume(DCR *dcr, int mode)
{
   int status = W_TIMEOUT;
   DEVICE *dev = dcr->dev;
   JCR *jcr = dcr->jcr;

   Dmsg0(dbglvl, "enter dir_ask_sysop_to_mount_volume\n");
   if (!dcr->VolumeName[0]) {
      Mmsg0(dev->errmsg, _("Cannot request another volume: no volume name given.\n"));
      return false;
   }
   ASSERT(dev->blocked());
   for ( ;; ) {
      if (job_canceled(jcr)) {
         Mmsg(dev->errmsg, _("Job %s canceled while waiting for mount on Storage Device %s.\n"),
              jcr->Job, dev->print_name());
         return false;
      }

      /*
       * If we are not polling, and the wait timeout or the
       *   user explicitly did a mount, send him the message.
       *   Otherwise skip it.
       */
      if (!dev->poll && (status == W_TIMEOUT || status == W_MOUNT)) {
         const char *msg;

         if (mode == ST_APPENDREADY) {
            msg = _("Please mount append Volume \"%s\" or label a new one for:\n"
                    "    Job:          %s\n"
                    "    Storage:      %s\n"
                    "    Pool:         %s\n"
                    "    Media type:   %s\n");
         } else {
            msg = _("Please mount read Volume \"%s\" for:\n"
                    "    Job:          %s\n"
                    "    Storage:      %s\n"
                    "    Pool:         %s\n"
                    "    Media type:   %s\n");
         }
         Jmsg(jcr, M_MOUNT, 0, msg, dcr->VolumeName, jcr->Job,
              dev->print_name(), dcr->pool_name, dcr->media_type);
         Dmsg3(dbglvl, "Mount \"%s\" on device \"%s\" for Job %s\n",
               dcr->VolumeName, dev->print_name(), jcr->Job);
      }

      jcr->sendJobStatus(JS_WaitMount);

      status = wait_for_sysop(dcr);          /* wait on device */
      Dmsg1(dbglvl, "Back from wait_for_sysop status=%d\n", status);
      if (dev->poll) {
         Dmsg1(dbglvl, "Poll timeout in mount vol on device %s\n", dev->print_name());
         Dmsg1(dbglvl, "Blocked=%s\n", dev->print_blocked());
         goto get_out;
      }

      if (status == W_TIMEOUT) {
         if (!double_dev_wait_time(dev)) {
            Mmsg(dev->errmsg, _("Max time exceeded waiting to mount Storage Device %s for Job %s\n"),
               dev->print_name(), jcr->Job);
            Jmsg(jcr, M_FATAL, 0, "%s", dev->errmsg);
            Dmsg1(dbglvl, "Gave up waiting on device %s\n", dev->print_name());
            return false;             /* exceeded maximum waits */
         }
         continue;
      }
      if (status == W_ERROR) {
         berrno be;
         Mmsg(dev->errmsg, _("pthread error in mount_volume\n"));
         Jmsg(jcr, M_FATAL, 0, "%s", dev->errmsg);
         return false;
      }
      Dmsg1(dbglvl, "Someone woke me for device %s\n", dev->print_name());
      break;
   }

get_out:
   jcr->sendJobStatus(JS_Running);
   Dmsg0(dbglvl, "leave dir_ask_sysop_to_mount_volume\n");
   return true;
}
示例#26
0
文件: os.c 项目: rkorzeniewski/bacula
void set_os_device_parameters(DCR *dcr)
{
   DEVICE *dev = dcr->dev;

   if (strcmp(dev->dev_name, "/dev/null") == 0) {
      return;                            /* no use trying to set /dev/null */
   }

#if defined(HAVE_LINUX_OS) || defined(HAVE_WIN32)
   struct mtop mt_com;

   Dmsg0(100, "In set_os_device_parameters\n");
#if defined(MTSETBLK)
   if (dev->min_block_size == dev->max_block_size &&
       dev->min_block_size == 0) {    /* variable block mode */
      mt_com.mt_op = MTSETBLK;
      mt_com.mt_count = 0;
      Dmsg0(100, "Set block size to zero\n");
      if (dev->d_ioctl(dev->fd(), MTIOCTOP, (char *)&mt_com) < 0) {
         dev->clrerror(MTSETBLK);
      }
   }
#endif
#if defined(MTSETDRVBUFFER)
   if (getuid() == 0) {          /* Only root can do this */
      mt_com.mt_op = MTSETDRVBUFFER;
      mt_com.mt_count = MT_ST_CLEARBOOLEANS;
      if (!dev->has_cap(CAP_TWOEOF)) {
         mt_com.mt_count |= MT_ST_TWO_FM;
      }
      if (dev->has_cap(CAP_EOM)) {
         mt_com.mt_count |= MT_ST_FAST_MTEOM;
      }
      Dmsg0(100, "MTSETDRVBUFFER\n");
      if (dev->d_ioctl(dev->fd(), MTIOCTOP, (char *)&mt_com) < 0) {
         dev->clrerror(MTSETDRVBUFFER);
      }
   }
#endif
   return;
#endif

#ifdef HAVE_NETBSD_OS
   struct mtop mt_com;
   if (dev->min_block_size == dev->max_block_size &&
       dev->min_block_size == 0) {    /* variable block mode */
      mt_com.mt_op = MTSETBSIZ;
      mt_com.mt_count = 0;
      if (dev->d_ioctl(dev->fd(), MTIOCTOP, (char *)&mt_com) < 0) {
         dev->clrerror(MTSETBSIZ);
      }
      /* Get notified at logical end of tape */
      mt_com.mt_op = MTEWARN;
      mt_com.mt_count = 1;
      if (dev->d_ioctl(dev->fd(), MTIOCTOP, (char *)&mt_com) < 0) {
         dev->clrerror(MTEWARN);
      }
   }
   return;
#endif

#if HAVE_FREEBSD_OS || HAVE_OPENBSD_OS
   struct mtop mt_com;
   if (dev->min_block_size == dev->max_block_size &&
       dev->min_block_size == 0) {    /* variable block mode */
      mt_com.mt_op = MTSETBSIZ;
      mt_com.mt_count = 0;
      if (dev->d_ioctl(dev->fd(), MTIOCTOP, (char *)&mt_com) < 0) {
         dev->clrerror(MTSETBSIZ);
      }
   }
#if defined(MTIOCSETEOTMODEL)
   uint32_t neof;
   if (dev->has_cap(CAP_TWOEOF)) {
      neof = 2;
   } else {
      neof = 1;
   }
   if (dev->d_ioctl(dev->fd(), MTIOCSETEOTMODEL, (caddr_t)&neof) < 0) {
      berrno be;
      dev->dev_errno = errno;         /* save errno */
      Mmsg2(dev->errmsg, _("Unable to set eotmodel on device %s: ERR=%s\n"),
            dev->print_name(), be.bstrerror(dev->dev_errno));
      Jmsg(dcr->jcr, M_FATAL, 0, dev->errmsg);
   }
#endif
   return;
#endif

#ifdef HAVE_SUN_OS
   struct mtop mt_com;
   if (dev->min_block_size == dev->max_block_size &&
       dev->min_block_size == 0) {    /* variable block mode */
      mt_com.mt_op = MTSRSZ;
      mt_com.mt_count = 0;
      if (dev->d_ioctl(dev->fd(), MTIOCTOP, (char *)&mt_com) < 0) {
         dev->clrerror(MTSRSZ);
      }
   }
   return;
#endif
}
示例#27
0
文件: dvd.c 项目: anarexia/bacula
/* 
 * Mount a DVD device, then scan to find out how many parts
 *  there are.
 */
int find_num_dvd_parts(DCR *dcr)
{
   DEVICE *dev = dcr->dev;
   int num_parts = 0;

   if (!dev->is_dvd()) {
      return 0;
   }
   
   if (dev->mount(1)) {
      DIR* dp;
      struct dirent *entry, *result;
      int name_max;
      int len = strlen(dcr->getVolCatName());

      /* Now count the number of parts */
      name_max = pathconf(".", _PC_NAME_MAX);
      if (name_max < 1024) {
         name_max = 1024;
      }
         
      if (!(dp = opendir(dev->device->mount_point))) {
         berrno be;
         dev->dev_errno = errno;
         Dmsg3(29, "find_num_dvd_parts: failed to open dir %s (dev=%s), ERR=%s\n", 
               dev->device->mount_point, dev->print_name(), be.bstrerror());
         goto get_out;
      }
      
      entry = (struct dirent *)malloc(sizeof(struct dirent) + name_max + 1000);

      Dmsg1(100, "Looking for Vol=%s\n", dcr->getVolCatName());
      for ( ;; ) {
         int flen;
         bool ignore;
         if ((readdir_r(dp, entry, &result) != 0) || (result == NULL)) {
            dev->dev_errno = EIO;
            Dmsg2(129, "find_num_dvd_parts: failed to find suitable file in dir %s (dev=%s)\n", 
                  dev->device->mount_point, dev->print_name());
            break;
         }
         flen = strlen(result->d_name);
         ignore = true;
         if (flen >= len) {
            result->d_name[len] = 0;
            if (strcmp(dcr->getVolCatName(), result->d_name) == 0) {
               num_parts++;
               Dmsg1(100, "find_num_dvd_parts: found part: %s\n", result->d_name);
               ignore = false;
            }
         }
         if (ignore) {
            Dmsg2(129, "find_num_dvd_parts: ignoring %s in %s\n", 
                  result->d_name, dev->device->mount_point);
         }
      }
      free(entry);
      closedir(dp);
      Dmsg1(29, "find_num_dvd_parts = %d\n", num_parts);
   }
   
get_out:
   dev->set_freespace_ok();
   if (dev->is_mounted()) {
      dev->unmount(0);
   }
   return num_parts;
}
示例#28
0
文件: mac.c 项目: AlD/bareos
/*
 * Read Data and commit to new job.
 */
bool do_mac_run(JCR *jcr)
{
   DEVICE *dev;
   char ec1[50];
   const char *Type;
   bool ok = true;
   BSOCK *dir = jcr->dir_bsock;

   switch(jcr->getJobType()) {
   case JT_MIGRATE:
      Type = "Migration";
      break;
   case JT_ARCHIVE:
      Type = "Archive";
      break;
   case JT_COPY:
      Type = "Copy";
      break;
   case JT_BACKUP:
      Type = "Virtual Backup";
      break;
   default:
      Type = "Unknown";
      break;
   }

   Dmsg0(20, "Start read data.\n");

   if (jcr->NumReadVolumes == 0) {
      Jmsg(jcr, M_FATAL, 0, _("No Volume names found for %s.\n"), Type);
      goto bail_out;
   }

   /*
    * Check autoinflation/autodeflation settings.
    */
   check_auto_xflation(jcr);

   /*
    * See if we perform both read and write or read only.
    */
   if (jcr->remote_replicate) {
      BSOCK *sd;

      if (!jcr->read_dcr) {
         Jmsg(jcr, M_FATAL, 0, _("Read device not properly initialized.\n"));
         goto bail_out;
      }

      Dmsg1(100, "read_dcr=%p\n", jcr->read_dcr);
      Dmsg3(200, "Found %d volumes names for %s. First=%s\n",
            jcr->NumReadVolumes, Type, jcr->VolList->VolumeName);

      /*
       * Ready devices for reading.
       */
      if (!acquire_device_for_read(jcr->read_dcr)) {
         ok = false;
         goto bail_out;
      }

      Dmsg2(200, "===== After acquire pos %u:%u\n", jcr->read_dcr->dev->file, jcr->read_dcr->dev->block_num);

      jcr->sendJobStatus(JS_Running);

      /*
       * Set network buffering.
       */
      sd = jcr->store_bsock;
      if (!sd->set_buffer_size(me->max_network_buffer_size, BNET_SETBUF_WRITE)) {
         Jmsg(jcr, M_FATAL, 0, _("Cannot set buffer size SD->SD.\n"));
         ok = false;
         goto bail_out;
      }

      /*
       * Let the remote SD know we are about to start the replication.
       */
      sd->fsend(start_replicate);
      Dmsg1(110, ">stored: %s", sd->msg);

      /*
       * Expect to receive back the Ticket number.
       */
      if (bget_msg(sd) >= 0) {
         Dmsg1(110, "<stored: %s", sd->msg);
         if (sscanf(sd->msg, OK_start_replicate, &jcr->Ticket) != 1) {
            Jmsg(jcr, M_FATAL, 0, _("Bad response to start replicate: %s\n"), sd->msg);
            goto bail_out;
         }
         Dmsg1(110, "Got Ticket=%d\n", jcr->Ticket);
      } else {
         Jmsg(jcr, M_FATAL, 0, _("Bad response from stored to start replicate command\n"));
         goto bail_out;
      }

      /*
       * Let the remote SD know we are now really going to send the data.
       */
      sd->fsend(replicate_data, jcr->Ticket);
      Dmsg1(110, ">stored: %s", sd->msg);

      /*
       * Expect to get response to the replicate data cmd from Storage daemon
       */
      if (!response(jcr, sd, OK_data, "replicate data")) {
         ok = false;
         goto bail_out;
      }

      /*
       * Read all data and send it to remote SD.
       */
      ok = read_records(jcr->read_dcr, clone_record_to_remote_sd, mount_next_read_volume);

      /*
       * Send the last EOD to close the last data transfer and a next EOD to
       * signal the remote we are done.
       */
      if (!sd->signal(BNET_EOD) || !sd->signal(BNET_EOD)) {
         if (!jcr->is_job_canceled()) {
            Jmsg1(jcr, M_FATAL, 0, _("Network send error to SD. ERR=%s\n"),
                  sd->bstrerror());
         }
         goto bail_out;
      }

      /*
       * Expect to get response that the replicate data succeeded.
       */
      if (!response(jcr, sd, OK_replicate, "replicate data")) {
         ok = false;
         goto bail_out;
      }

      /*
       * End replicate session.
       */
      sd->fsend(end_replicate);
      Dmsg1(110, ">stored: %s", sd->msg);

      /*
       * Expect to get response to the end replicate cmd from Storage daemon
       */
      if (!response(jcr, sd, OK_end_replicate, "end replicate")) {
         ok = false;
         goto bail_out;
      }

      /* Inform Storage daemon that we are done */
      sd->signal(BNET_TERMINATE);
   } else {
      if (!jcr->read_dcr || !jcr->dcr) {
         Jmsg(jcr, M_FATAL, 0, _("Read and write devices not properly initialized.\n"));
         goto bail_out;
      }

      Dmsg2(100, "read_dcr=%p write_dcr=%p\n", jcr->read_dcr, jcr->dcr);
      Dmsg3(200, "Found %d volumes names for %s. First=%s\n",
            jcr->NumReadVolumes, Type, jcr->VolList->VolumeName);

      /*
       * Ready devices for reading and writing.
       */
      if (!acquire_device_for_read(jcr->read_dcr) ||
          !acquire_device_for_append(jcr->dcr)) {
         ok = false;
         goto bail_out;
      }

      Dmsg2(200, "===== After acquire pos %u:%u\n", jcr->dcr->dev->file, jcr->dcr->dev->block_num);

      jcr->sendJobStatus(JS_Running);

      if (!begin_data_spool(jcr->dcr) ) {
         ok = false;
         goto bail_out;
      }

      if (!begin_attribute_spool(jcr)) {
         ok = false;
         goto bail_out;
      }

      jcr->dcr->VolFirstIndex = jcr->dcr->VolLastIndex = 0;
      jcr->run_time = time(NULL);
      set_start_vol_position(jcr->dcr);
      jcr->JobFiles = 0;

      /*
       * Read all data and make a local clone of it.
       */
      ok = read_records(jcr->read_dcr, clone_record_internally, mount_next_read_volume);
   }

bail_out:
   if (!ok) {
      jcr->setJobStatus(JS_ErrorTerminated);
   }

   if (!jcr->remote_replicate && jcr->dcr) {
      /*
       * Don't use time_t for job_elapsed as time_t can be 32 or 64 bits,
       *   and the subsequent Jmsg() editing will break
       */
      int32_t job_elapsed;

      dev = jcr->dcr->dev;
      Dmsg1(100, "ok=%d\n", ok);
      if (ok || dev->can_write()) {
         /*
          * Flush out final partial block of this session
          */
         if (!jcr->dcr->write_block_to_device()) {
            Jmsg2(jcr, M_FATAL, 0, _("Fatal append error on device %s: ERR=%s\n"),
                  dev->print_name(), dev->bstrerror());
            Dmsg0(100, _("Set ok=FALSE after write_block_to_device.\n"));
            ok = false;
         }
         Dmsg2(200, "Flush block to device pos %u:%u\n", dev->file, dev->block_num);
      }

      if (!ok) {
         discard_data_spool(jcr->dcr);
      } else {
         /*
          * Note: if commit is OK, the device will remain blocked
          */
         commit_data_spool(jcr->dcr);
      }

      job_elapsed = time(NULL) - jcr->run_time;
      if (job_elapsed <= 0) {
         job_elapsed = 1;
      }

      Jmsg(jcr, M_INFO, 0, _("Elapsed time=%02d:%02d:%02d, Transfer rate=%s Bytes/second\n"),
           job_elapsed / 3600, job_elapsed % 3600 / 60, job_elapsed % 60,
           edit_uint64_with_suffix(jcr->JobBytes / job_elapsed, ec1));

      /*
       * Release the device -- and send final Vol info to DIR
       */
      release_device(jcr->dcr);

      if (!ok || job_canceled(jcr)) {
         discard_attribute_spool(jcr);
      } else {
         commit_attribute_spool(jcr);
      }
   }

   if (jcr->read_dcr) {
      if (!release_device(jcr->read_dcr)) {
         ok = false;
      }
   }

   jcr->sendJobStatus();              /* update director */

   Dmsg0(30, "Done reading.\n");
   jcr->end_time = time(NULL);
   dequeue_messages(jcr);             /* send any queued messages */
   if (ok) {
      jcr->setJobStatus(JS_Terminated);
   }

   generate_plugin_event(jcr, bsdEventJobEnd);
   dir->fsend(Job_end, jcr->Job, jcr->JobStatus, jcr->JobFiles,
              edit_uint64(jcr->JobBytes, ec1), jcr->JobErrors);
   Dmsg4(100, Job_end, jcr->Job, jcr->JobStatus, jcr->JobFiles, ec1);

   dir->signal(BNET_EOD);             /* send EOD to Director daemon */
   free_plugins(jcr);                 /* release instantiated plugins */

   return false;                      /* Continue DIR session ? */
}
示例#29
0
文件: wait.c 项目: eneuhauss/bareos
/*
 * Wait for SysOp to mount a tape on a specific device
 *
 *   Returns: W_ERROR, W_TIMEOUT, W_POLL, W_MOUNT, or W_WAKE
 */
int wait_for_sysop(DCR *dcr)
{
   struct timeval tv;
   struct timezone tz;
   struct timespec timeout;
   time_t last_heartbeat = 0;
   time_t first_start = time(NULL);
   int status = 0;
   int add_wait;
   bool unmounted;
   DEVICE *dev = dcr->dev;
   JCR *jcr = dcr->jcr;

   dev->Lock();
   Dmsg1(dbglvl, "Enter blocked=%s\n", dev->print_blocked());

   /*
    * Since we want to mount a tape, make sure current one is
    *  not marked as using this drive.
    */
   volume_unused(dcr);

   unmounted = dev->is_device_unmounted();
   dev->poll = false;
   /*
    * Wait requested time (dev->rem_wait_sec).  However, we also wake up every
    *    HB_TIME seconds and send a heartbeat to the FD and the Director
    *    to keep stateful firewalls from closing them down while waiting
    *    for the operator.
    */
   add_wait = dev->rem_wait_sec;
   if (me->heartbeat_interval && add_wait > me->heartbeat_interval) {
      add_wait = me->heartbeat_interval;
   }
   /* If the user did not unmount the tape and we are polling, ensure
    *  that we poll at the correct interval.
    */
   if (!unmounted && dev->vol_poll_interval && add_wait > dev->vol_poll_interval) {
      add_wait = dev->vol_poll_interval;
   }

   if (!unmounted) {
      Dmsg1(dbglvl, "blocked=%s\n", dev->print_blocked());
      dev->dev_prev_blocked = dev->blocked();
      dev->set_blocked(BST_WAITING_FOR_SYSOP); /* indicate waiting for mount */
   }

   for ( ; !job_canceled(jcr); ) {
      time_t now, start, total_waited;

      gettimeofday(&tv, &tz);
      timeout.tv_nsec = tv.tv_usec * 1000;
      timeout.tv_sec = tv.tv_sec + add_wait;

      Dmsg4(dbglvl, "I'm going to sleep on device %s. HB=%d rem_wait=%d add_wait=%d\n",
         dev->print_name(), (int)me->heartbeat_interval, dev->rem_wait_sec, add_wait);
      start = time(NULL);

      /* Wait required time */
      status = pthread_cond_timedwait(&dev->wait_next_vol, &dev->m_mutex, &timeout);

      Dmsg2(dbglvl, "Wokeup from sleep on device status=%d blocked=%s\n", status,
         dev->print_blocked());
      now = time(NULL);
      total_waited = now - first_start;
      dev->rem_wait_sec -= (now - start);

      /* Note, this always triggers the first time. We want that. */
      if (me->heartbeat_interval) {
         if (now - last_heartbeat >= me->heartbeat_interval) {
            /* send heartbeats */
            if (jcr->file_bsock) {
               jcr->file_bsock->signal(BNET_HEARTBEAT);
               Dmsg0(dbglvl, "Send heartbeat to FD.\n");
            }
            if (jcr->dir_bsock) {
               jcr->dir_bsock->signal(BNET_HEARTBEAT);
            }
            last_heartbeat = now;
         }
      }

      if (status == EINVAL) {
         berrno be;
         Jmsg1(jcr, M_FATAL, 0, _("pthread timedwait error. ERR=%s\n"), be.bstrerror(status));
         status = W_ERROR;             /* error */
         break;
      }

      /*
       * Continue waiting if operator is labeling volumes
       */
      if (dev->blocked() == BST_WRITING_LABEL) {
         continue;
      }

      if (dev->rem_wait_sec <= 0) {  /* on exceeding wait time return */
         Dmsg0(dbglvl, "Exceed wait time.\n");
         status = W_TIMEOUT;
         break;
      }

      /*
       * Check if user unmounted the device while we were waiting
       */
      unmounted = dev->is_device_unmounted();

      if (!unmounted && dev->vol_poll_interval &&
          (total_waited >= dev->vol_poll_interval)) {
         Dmsg1(dbglvl, "poll return in wait blocked=%s\n", dev->print_blocked());
         dev->poll = true;            /* returning a poll event */
         status = W_POLL;
         break;
      }
      /*
       * Check if user mounted the device while we were waiting
       */
      if (dev->blocked() == BST_MOUNT) {   /* mount request ? */
         Dmsg0(dbglvl, "Mounted return.\n");
         status = W_MOUNT;
         break;
      }

      /*
       * If we did not timeout, then some event happened, so
       *   return to check if state changed.
       */
      if (status != ETIMEDOUT) {
         berrno be;
         Dmsg2(dbglvl, "Wake return. status=%d. ERR=%s\n", status, be.bstrerror(status));
         status = W_WAKE;          /* someone woke us */
         break;
      }

      /*
       * At this point, we know we woke up because of a timeout,
       *   that was due to a heartbeat, because any other reason would
       *   have caused us to return, so update the wait counters and continue.
       */
      add_wait = dev->rem_wait_sec;
      if (me->heartbeat_interval && add_wait > me->heartbeat_interval) {
         add_wait = me->heartbeat_interval;
      }
      /* If the user did not unmount the tape and we are polling, ensure
       *  that we poll at the correct interval.
       */
      if (!unmounted && dev->vol_poll_interval &&
           add_wait > dev->vol_poll_interval - total_waited) {
         add_wait = dev->vol_poll_interval - total_waited;
      }
      if (add_wait < 0) {
         add_wait = 0;
      }
   }

   if (!unmounted) {
      dev->set_blocked(dev->dev_prev_blocked);    /* restore entry state */
      Dmsg1(dbglvl, "set %s\n", dev->print_blocked());
   }
   Dmsg1(dbglvl, "Exit blocked=%s\n", dev->print_blocked());
   dev->Unlock();
   return status;
}
示例#30
0
文件: dvd.c 项目: anarexia/bacula
/*
 * Checks if we can write on a non-blank DVD: meaning that it just have been
 * truncated (there is only one zero-sized file on the DVD).
 *  
 * Note!  Normally if we can mount the device, which should be the case
 *   when we get here, it is not a blank DVD.  Hence we check if
 *   if all files are of zero length (i.e. no data), in which case we allow it.
 *
 */
bool check_can_write_on_non_blank_dvd(DCR *dcr) 
{
   DEVICE* dev = dcr->dev;
   DIR* dp;
   struct dirent *entry, *result;
   int name_max;
   struct stat filestat;
   bool ok = true;
      
   name_max = pathconf(".", _PC_NAME_MAX);
   if (name_max < 1024) {
      name_max = 1024;
   }
   
   if (!(dp = opendir(dev->device->mount_point))) {
      berrno be;
      dev->dev_errno = errno;
      Dmsg3(29, "check_can_write_on_non_blank_dvd: failed to open dir %s (dev=%s), ERR=%s\n", 
            dev->device->mount_point, dev->print_name(), be.bstrerror());
      return false;
   }
   
   entry = (struct dirent *)malloc(sizeof(struct dirent) + name_max + 1000);
   for ( ;; ) {
      if ((readdir_r(dp, entry, &result) != 0) || (result == NULL)) {
         dev->dev_errno = EIO;
         Dmsg2(129, "check_can_write_on_non_blank_dvd: no more files in dir %s (dev=%s)\n", 
               dev->device->mount_point, dev->print_name());
         break;
      } else {
         Dmsg2(99, "check_can_write_on_non_blank_dvd: found %s (versus %s)\n", 
               result->d_name, dev->getVolCatName());
         if (strcmp(result->d_name, ".") && strcmp(result->d_name, "..") &&
             strcmp(result->d_name, ".keep")) {
            /* Found a file, checking it is empty */
            POOL_MEM filename(PM_FNAME);
            pm_strcpy(filename, dev->device->mount_point);
            if (!IsPathSeparator(filename.c_str()[strlen(filename.c_str())-1])) {
               pm_strcat(filename, "/");
            }
            pm_strcat(filename, result->d_name);
            if (stat(filename.c_str(), &filestat) < 0) {
               berrno be;
               dev->dev_errno = errno;
               Dmsg2(29, "check_can_write_on_non_blank_dvd: cannot stat file (file=%s), ERR=%s\n", 
                  filename.c_str(), be.bstrerror());
               ok = false;
               break;
            }
            Dmsg2(99, "check_can_write_on_non_blank_dvd: size of %s is %lld\n", 
               filename.c_str(), filestat.st_size);
            if (filestat.st_size != 0) {
               ok = false;
               break;
            }
         }
      }
   }
   free(entry);
   closedir(dp);
   
   Dmsg1(29, "OK  can_write_on_non_blank_dvd: OK=%d\n", ok);
   return ok;
}