Beispiel #1
7
/*
 *  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;
}
Beispiel #2
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;
}