X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=bacula%2Fsrc%2Fstored%2Fmount.c;h=9d542b98f4b8caadd96a2fc98afc5595fbe7b4e2;hb=5acaefa52eef9207ee62d4fe9d231701c0dc4529;hp=61443a6e7f8370fbc5926024fca8628b11820f1e;hpb=57c9b880171b1daac1f34edf6c03e82abe0bfcbb;p=bacula%2Fbacula

diff --git a/bacula/src/stored/mount.c b/bacula/src/stored/mount.c
index 61443a6e7f..9d542b98f4 100644
--- a/bacula/src/stored/mount.c
+++ b/bacula/src/stored/mount.c
@@ -1,3 +1,30 @@
+/*
+   Bacula® - The Network Backup Solution
+
+   Copyright (C) 2002-2007 Free Software Foundation Europe e.V.
+
+   The main author of Bacula is Kern Sibbald, with contributions from
+   many others, a complete list can be found in the file AUTHORS.
+   This program is Free Software; you can redistribute it and/or
+   modify it under the terms of version two of the GNU General Public
+   License as published by the Free Software Foundation plus additions
+   that are listed in the file LICENSE.
+
+   This program is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+   02110-1301, USA.
+
+   Bacula® is a registered trademark of John Walker.
+   The licensor of Bacula is the Free Software Foundation Europe
+   (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
+   Switzerland, email:ftf@fsfeurope.org.
+*/
 /*
  *
  *  Routines for handling mounting tapes for reading and for
@@ -7,26 +34,12 @@
  *
  *   Version $Id$
  */
-/*
-   Copyright (C) 2002-2006 Kern Sibbald
-
-   This program is free software; you can redistribute it and/or
-   modify it under the terms of the GNU General Public License
-   version 2 as amended with additional clauses defined in the
-   file LICENSE in the main source directory.
-
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 
-   the file LICENSE for additional details.
-
- */
 
 #include "bacula.h"                   /* pull in global headers */
 #include "stored.h"                   /* pull in Storage Deamon headers */
 
 static void mark_volume_not_inchanger(DCR *dcr);
-static int try_autolabel(DCR *dcr);
+static int try_autolabel(DCR *dcr, bool opened);
 
 enum {
    try_next_vol = 1,
@@ -159,20 +172,35 @@ mount_next_vol:
    }
 
    /* Ensure the device is open */
-   if (dev_cap(dev, CAP_STREAM)) {
+   if (dev->has_cap(CAP_STREAM)) {
       mode = OPEN_WRITE_ONLY;
    } else {
       mode = OPEN_READ_WRITE;
    }
+   /* Try autolabel if enabled */
+   if (dev->open(dcr, mode) < 0) {
+      try_autolabel(dcr, false);      /* try to create a new volume label */
+   }
    while (dev->open(dcr, mode) < 0) {
-      Dmsg0(150, "open_device failed\n");
-      if (dev->is_file() && dev->is_removable()) {
+      Dmsg1(150, "open_device failed: ERR=%s\n", dev->bstrerror());
+      if ((dev->is_file() && dev->is_removable()) || dev->is_dvd()) {
+         bool ok = true;
          Dmsg0(150, "call scan_dir_for_vol\n");
-         if (dev->scan_dir_for_volume(dcr)) {
-            break;                    /* got a valid volume */
+         if (dev->is_dvd()) {
+            if (!dev->mount(0)) {
+               ok = false;
+            }
+         }
+         if (ok && dev->scan_dir_for_volume(dcr)) {
+            if (dev->open(dcr, mode) >= 0) {
+               break;                    /* got a valid volume */
+            }
+         }
+         if (ok && dev->is_dvd()) {
+            dev->unmount(0);
          }
       }
-      if (try_autolabel(dcr) == try_read_vol) {
+      if (try_autolabel(dcr, false) == try_read_vol) {
          break;                       /* created a new volume label */
       }
       /* If DVD, ignore the error, very often you cannot open the device
@@ -180,6 +208,8 @@ mount_next_vol:
       if (dev->poll || dev->is_dvd() || dev->is_removable()) {
          goto mount_next_vol;
       } else {
+         Jmsg(jcr, M_ERROR, 0, _("Could not open device %s: ERR=%s\n"),
+            dev->print_name(), dev->print_errmsg());
          return false;
       }
    }
@@ -212,11 +242,12 @@ read_volume:
    switch (vol_label_status) {
    case VOL_OK:
       Dmsg1(150, "Vol OK name=%s\n", dcr->VolumeName);
-      memcpy(&dev->VolCatInfo, &dcr->VolCatInfo, sizeof(dev->VolCatInfo));
+      dev->VolCatInfo = dcr->VolCatInfo;       /* structure assignment */
       recycle = strcmp(dev->VolCatInfo.VolCatStatus, "Recycle") == 0;
       break;                    /* got a Volume */
    case VOL_NAME_ERROR:
-      VOLUME_CAT_INFO VolCatInfo, devVolCatInfo;
+      VOLUME_CAT_INFO dcrVolCatInfo, devVolCatInfo;
+      char VolumeName[MAX_NAME_LENGTH];
 
       /* If not removable, Volume is broken */
       if (!dev->is_removable()) {
@@ -239,32 +270,42 @@ read_volume:
        *  this volume is really OK. If not, put back the desired
        *  volume name, mark it not in changer and continue.
        */
-      memcpy(&VolCatInfo, &dcr->VolCatInfo, sizeof(VolCatInfo));
-      memcpy(&devVolCatInfo, &dev->VolCatInfo, sizeof(devVolCatInfo));
+      dcrVolCatInfo = dcr->VolCatInfo;      /* structure assignment */
+      devVolCatInfo = dev->VolCatInfo;      /* structure assignment */
       /* Check if this is a valid Volume in the pool */
+      bstrncpy(VolumeName, dcr->VolumeName, sizeof(VolumeName));
       bstrncpy(dcr->VolumeName, dev->VolHdr.VolumeName, sizeof(dcr->VolumeName));
       if (!dir_get_volume_info(dcr, GET_VOL_INFO_FOR_WRITE)) {
          /* Restore desired volume name, note device info out of sync */
          /* This gets the info regardless of the Pool */
          bstrncpy(dcr->VolumeName, dev->VolHdr.VolumeName, sizeof(dcr->VolumeName));
          if (autochanger && !dir_get_volume_info(dcr, GET_VOL_INFO_FOR_READ)) {
+            /*
+             * If we get here, we know we cannot write on the Volume,
+             *  and we know that we cannot read it either, so it 
+             *  is not in the autochanger.
+             */
             mark_volume_not_inchanger(dcr);
          }
-         memcpy(&dev->VolCatInfo, &devVolCatInfo, sizeof(dev->VolCatInfo));
+         dev->VolCatInfo = devVolCatInfo;    /* structure assignment */
          bstrncpy(dev->BadVolName, dev->VolHdr.VolumeName, sizeof(dev->BadVolName));
          Jmsg(jcr, M_WARNING, 0, _("Director wanted Volume \"%s\".\n"
               "    Current Volume \"%s\" not acceptable because:\n"
               "    %s"),
-             VolCatInfo.VolCatName, dev->VolHdr.VolumeName,
+             dcrVolCatInfo.VolCatName, dev->VolHdr.VolumeName,
              jcr->dir_bsock->msg);
          ask = true;
+         /* Restore saved DCR before continuing */
+         bstrncpy(dcr->VolumeName, VolumeName, sizeof(dcr->VolumeName));
+         dcr->VolCatInfo = dcrVolCatInfo;  /* structure assignment */
          goto mount_next_vol;
       }
-      /* This was not the volume we expected, but it is OK with
+      /*
+       * This was not the volume we expected, but it is OK with
        * the Director, so use it.
        */
       Dmsg1(150, "want new name=%s\n", dcr->VolumeName);
-      memcpy(&dev->VolCatInfo, &dcr->VolCatInfo, sizeof(dev->VolCatInfo));
+      dev->VolCatInfo = dcr->VolCatInfo;   /* structure assignment */
       recycle = strcmp(dev->VolCatInfo.VolCatStatus, "Recycle") == 0;
       break;                /* got a Volume */
    /*
@@ -278,7 +319,7 @@ read_volume:
       }
       /* Fall through wanted */
    case VOL_NO_LABEL:
-      switch (try_autolabel(dcr)) {
+      switch (try_autolabel(dcr, true)) {
       case try_next_vol:
          goto mount_next_vol;
       case try_read_vol:
@@ -333,7 +374,7 @@ read_volume:
       Dmsg0(200, "Device previously written, moving to end of data\n");
       Jmsg(jcr, M_INFO, 0, _("Volume \"%s\" previously written, moving to end of data.\n"),
          dcr->VolumeName);
-      if (!dev->eod()) {
+      if (!dev->eod(dcr)) {
          Jmsg(jcr, M_ERROR, 0, _("Unable to position to end of data on device %s: ERR=%s\n"),
             dev->print_name(), dev->bstrerror());
          mark_volume_in_error(dcr);
@@ -346,7 +387,7 @@ read_volume:
                  " part=%d size=%s\n"), dcr->VolumeName, 
                  dev->part, edit_uint64(dev->VolCatInfo.VolCatBytes,ed1));
          } else {
-            Jmsg(jcr, M_ERROR, 0, _("I cannot write on Volume \"%s\" because: "
+            Jmsg(jcr, M_ERROR, 0, _("I cannot write on DVD Volume \"%s\" because: "
                  "The sizes do not match! Volume=%s Catalog=%s\n"),
                  dcr->VolumeName,
                  edit_uint64(dev->part_start + dev->part_size, ed1),
@@ -354,20 +395,35 @@ read_volume:
             mark_volume_in_error(dcr);
             goto mount_next_vol;
          }
-      }
-      /* *****FIXME**** we should do some checking for files too */
-      if (dev->is_tape()) {
+      } else if (dev->is_tape()) {
          /*
           * Check if we are positioned on the tape at the same place
           * that the database says we should be.
           */
-         if (dev->VolCatInfo.VolCatFiles == dev_file(dev)) {
+         if (dev->VolCatInfo.VolCatFiles == dev->get_file()) {
             Jmsg(jcr, M_INFO, 0, _("Ready to append to end of Volume \"%s\" at file=%d.\n"),
-                 dcr->VolumeName, dev_file(dev));
+                 dcr->VolumeName, dev->get_file());
          } else {
-            Jmsg(jcr, M_ERROR, 0, _("I cannot write on Volume \"%s\" because:\n"
+            Jmsg(jcr, M_ERROR, 0, _("I cannot write on tape Volume \"%s\" because:\n"
                  "The number of files mismatch! Volume=%u Catalog=%u\n"),
-                 dcr->VolumeName, dev_file(dev), dev->VolCatInfo.VolCatFiles);
+                 dcr->VolumeName, dev->get_file(), dev->VolCatInfo.VolCatFiles);
+            mark_volume_in_error(dcr);
+            goto mount_next_vol;
+         }
+      } else if (dev->is_file()) {
+         char ed1[50], ed2[50];
+         boffset_t pos;
+         pos = dev->lseek(dcr, (boffset_t)0, SEEK_END);
+         if (dev->VolCatInfo.VolCatBytes == (uint64_t)pos) {
+            Jmsg(jcr, M_INFO, 0, _("Ready to append to end of Volume \"%s\""
+                 " size=%s\n"), dcr->VolumeName, 
+                 edit_uint64(dev->VolCatInfo.VolCatBytes, ed1));
+         } else {
+            Jmsg(jcr, M_ERROR, 0, _("I cannot write on disk Volume \"%s\" because: "
+                 "The sizes do not match! Volume=%s Catalog=%s\n"),
+                 dcr->VolumeName,
+                 edit_uint64(pos, ed1),
+                 edit_uint64(dev->VolCatInfo.VolCatBytes, ed2));
             mark_volume_in_error(dcr);
             goto mount_next_vol;
          }
@@ -427,24 +483,40 @@ read_volume:
  * As noted above, at this point dcr->VolCatInfo has what
  *   the Director wants and dev->VolCatInfo has info on the
  *   previous tape (or nothing).
+ *
+ * Return codes are:
+ *   try_next_vol        label failed, look for another volume
+ *   try_read_vol        labeled volume, now re-read the label
+ *   try_error           hard error (catalog update)
+ *   try_default         I couldn't do anything
  */
-static int try_autolabel(DCR *dcr)
+static int try_autolabel(DCR *dcr, bool opened)
 {
    DEVICE *dev = dcr->dev;
+
+   if (dev->poll && !dev->is_tape()) {
+      return try_default;       /* if polling, don't try to create new labels */
+   }
+   /* For a tape require it to be opened and read before labeling */
+   if (!opened && dev->is_tape()) {
+      return try_default;
+   }
    if (dev->has_cap(CAP_LABEL) && (dcr->VolCatInfo.VolCatBytes == 0 ||
          (!dev->is_tape() && strcmp(dcr->VolCatInfo.VolCatStatus,
                                 "Recycle") == 0))) {
       Dmsg0(150, "Create volume label\n");
       /* Create a new Volume label and write it to the device */
       if (!write_new_volume_label_to_dev(dcr, dcr->VolumeName,
-             dcr->pool_name, false /* defer DVD label */)) {
+             dcr->pool_name, false, /* no relabel */ false /* defer DVD label */)) {
          Dmsg0(150, "!write_vol_label\n");
-         mark_volume_in_error(dcr);
+         if (opened) { 
+            mark_volume_in_error(dcr);
+         }
          return try_next_vol;
       }
       Dmsg0(150, "dir_update_vol_info. Set Append\n");
       /* Copy Director's info into the device info */
-      memcpy(&dev->VolCatInfo, &dcr->VolCatInfo, sizeof(dev->VolCatInfo));
+      dev->VolCatInfo = dcr->VolCatInfo;    /* structure assignment */
       if (!dir_update_volume_info(dcr, true)) {  /* indicate tape labeled */
          return try_error;
       }
@@ -453,7 +525,7 @@ static int try_autolabel(DCR *dcr)
       return try_read_vol;   /* read label we just wrote */
    }
    if (!dev->has_cap(CAP_LABEL) && dcr->VolCatInfo.VolCatBytes == 0) {
-      Jmsg(dcr->jcr, M_INFO, 0, _("Warning device %s not configured to autolabel Volumes.\n"), 
+      Jmsg(dcr->jcr, M_WARNING, 0, _("Device %s not configured to autolabel Volumes.\n"), 
          dev->print_name());
    }
    /* If not removable, Volume is broken */
@@ -475,7 +547,7 @@ void mark_volume_in_error(DCR *dcr)
    DEVICE *dev = dcr->dev;
    Jmsg(dcr->jcr, M_INFO, 0, _("Marking Volume \"%s\" in Error in Catalog.\n"),
         dcr->VolumeName);
-   memcpy(&dev->VolCatInfo, &dcr->VolCatInfo, sizeof(dev->VolCatInfo));
+   dev->VolCatInfo = dcr->VolCatInfo;     /* structure assignment */
    bstrncpy(dev->VolCatInfo.VolCatStatus, "Error", sizeof(dev->VolCatInfo.VolCatStatus));
    Dmsg0(150, "dir_update_vol_info. Set Error.\n");
    dir_update_volume_info(dcr, false);
@@ -492,7 +564,7 @@ static void mark_volume_not_inchanger(DCR *dcr)
    Jmsg(jcr, M_ERROR, 0, _("Autochanger Volume \"%s\" not found in slot %d.\n"
 "    Setting InChanger to zero in catalog.\n"),
         dcr->VolCatInfo.VolCatName, dcr->VolCatInfo.Slot);
-   memcpy(&dev->VolCatInfo, &dcr->VolCatInfo, sizeof(dev->VolCatInfo));
+   dev->VolCatInfo = dcr->VolCatInfo;    /* structure assignment */
    dcr->VolCatInfo.InChanger = false;
    dev->VolCatInfo.InChanger = false;
    Dmsg0(400, "update vol info in mount\n");
@@ -518,8 +590,7 @@ void release_volume(DCR *dcr)
    dev->EndBlock = dev->EndFile = 0;
    memset(&dev->VolCatInfo, 0, sizeof(dev->VolCatInfo));
    memset(&dcr->VolCatInfo, 0, sizeof(dcr->VolCatInfo));
-   free_volume(dev);
-   memset(&dev->VolHdr, 0, sizeof(dev->VolHdr));
+   dev->clear_volhdr();
    /* Force re-read of label */
    dev->clear_labeled();
    dev->clear_read();
@@ -527,7 +598,7 @@ void release_volume(DCR *dcr)
    dev->label_type = B_BACULA_LABEL;
    dcr->VolumeName[0] = 0;
 
-   if (dev->is_open() && (!dev->is_tape() || !dev_cap(dev, CAP_ALWAYSOPEN))) {
+   if (dev->is_open() && (!dev->is_tape() || !dev->has_cap(CAP_ALWAYSOPEN))) {
       dev->close();
    }
 
@@ -546,11 +617,11 @@ bool mount_next_read_volume(DCR *dcr)
 {
    DEVICE *dev = dcr->dev;
    JCR *jcr = dcr->jcr;
-   Dmsg2(90, "NumVolumes=%d CurVolume=%d\n", jcr->NumVolumes, jcr->CurVolume);
+   Dmsg2(90, "NumReadVolumes=%d CurReadVolume=%d\n", jcr->NumReadVolumes, jcr->CurReadVolume);
    /*
     * End Of Tape -- mount next Volume (if another specified)
     */
-   if (jcr->NumVolumes > 1 && jcr->CurVolume < jcr->NumVolumes) {
+   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(),