X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=bacula%2Fsrc%2Fstored%2Fread_record.c;h=8cd7b4f0b56e1789a0b92c64372dfeeb318eeb9a;hb=5c358307600ad7cd6983b8773f8d7dc1e7346c56;hp=4cf362002e5510895e9130c254209c9d48404ed4;hpb=c37638750b04e222c9436d70c55d28193c58a86f;p=bacula%2Fbacula diff --git a/bacula/src/stored/read_record.c b/bacula/src/stored/read_record.c index 4cf362002e..8cd7b4f0b5 100644 --- a/bacula/src/stored/read_record.c +++ b/bacula/src/stored/read_record.c @@ -1,29 +1,14 @@ -/* - * - * This routine provides a routine that will handle all - * the gory little details of reading a record from a Bacula - * archive. It uses a callback to pass you each record in turn, - * as well as a callback for mounting the next tape. It takes - * care of reading blocks, applying the bsr, ... - * Note, this routine is really the heart of the restore routines, - * and we are *really* bit pushing here so be careful about making - * any modifications. - * - * Kern E. Sibbald, August MMII - * - * Version $Id$ - */ /* Bacula® - The Network Backup Solution - Copyright (C) 2002-2006 Free Software Foundation Europe e.V. + Copyright (C) 2002-2008 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. + License as published by the Free Software Foundation and included + 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 @@ -40,6 +25,21 @@ (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich, Switzerland, email:ftf@fsfeurope.org. */ +/* + * + * This routine provides a routine that will handle all + * the gory little details of reading a record from a Bacula + * archive. It uses a callback to pass you each record in turn, + * as well as a callback for mounting the next tape. It takes + * care of reading blocks, applying the bsr, ... + * Note, this routine is really the heart of the restore routines, + * and we are *really* bit pushing here so be careful about making + * any modifications. + * + * Kern E. Sibbald, August MMII + * + * Version $Id$ + */ #include "bacula.h" #include "stored.h" @@ -82,6 +82,7 @@ bool read_records(DCR *dcr, DEV_RECORD *trec = new_record(); Jmsg(jcr, M_INFO, 0, _("End of Volume at file %u on device %s, Volume \"%s\"\n"), dev->file, dev->print_name(), dcr->VolumeName); + volume_unused(dcr); /* mark volume unused */ if (!mount_cb(dcr)) { Jmsg(jcr, M_INFO, 0, _("End of all volumes.\n")); ok = false; /* Stop everything */ @@ -103,16 +104,17 @@ bool read_records(DCR *dcr, jcr->mount_next_volume = false; /* * The Device can change at the end of a tape, so refresh it - * from the dcr. + * and the block from the dcr. */ dev = dcr->dev; + block = dcr->block; /* * We just have a new tape up, now read the label (first record) * and pass it off to the callback routine, then continue * most likely reading the previous record. */ read_block_from_device(dcr, NO_BLOCK_NUMBER_CHECK); - read_record_from_block(block, trec); + read_record_from_block(dcr, block, trec); handle_session_record(dev, trec, &sessrec); ok = record_cb(dcr, trec); free_record(trec); @@ -145,7 +147,7 @@ bool read_records(DCR *dcr, display_tape_error_status(jcr, dev); if (forge_on || jcr->ignore_label_errors) { dev->fsr(1); /* try skipping bad record */ - Pmsg0(000, _("Did fsr\n")); + Pmsg0(000, _("Did fsr in attemp to skip bad record.\n")); continue; /* try to continue */ } ok = false; /* stop everything */ @@ -188,7 +190,7 @@ bool read_records(DCR *dcr, rec->state = 0; Dmsg1(dbglvl, "Block %s empty\n", is_block_empty(rec)?"is":"NOT"); for (rec->state=0; ok && !is_block_empty(rec); ) { - if (!read_record_from_block(block, rec)) { + if (!read_record_from_block(dcr, block, rec)) { Dmsg3(400, "!read-break. state=%s blk=%d rem=%d\n", rec_state_to_str(rec), block->BlockNumber, rec->remainder); break; @@ -226,11 +228,13 @@ bool read_records(DCR *dcr, * he wants to know if they matched the bsr, then he must * check the match_stat in the record */ ok = record_cb(dcr, rec); +#ifdef xxx /* * If this is the end of the Session (EOS) for this record * we can remove the record. Note, there is a separate * record to read each session. If a new session is seen * a new record will be created at approx line 157 above. + * However, it seg faults in the for line at lineno 196. */ if (rec->FileIndex == EOS_LABEL) { Dmsg2(dbglvl, "Remove EOS rec. SI=%d ST=%d\n", rec->VolSessionId, @@ -238,6 +242,7 @@ bool read_records(DCR *dcr, recs->remove(rec); free_record(rec); } +#endif continue; } /* end if label record */ @@ -275,7 +280,7 @@ bool read_records(DCR *dcr, /* * If we have a digest stream, we check to see if we have * finished the current bsr, and if so, repositioning will - * be truned on. + * be turned on. */ if (crypto_digest_stream_type(rec->Stream) != CRYPTO_DIGEST_NONE) { Dmsg3(dbglvl, "Have digest FI=%u before bsr check pos %u:%u\n", rec->FileIndex, @@ -328,12 +333,21 @@ static bool try_repositioning(JCR *jcr, DEV_RECORD *rec, DCR *dcr) return true; } if (bsr) { + /* + * ***FIXME*** gross kludge to make disk seeking work. Remove + * when find_next_bsr() is fixed not to return a bsr already + * completed. + */ + if (dev->file > bsr->volfile->sfile || + (dev->file == bsr->volfile->sfile && dev->block_num > bsr->volblock->sblock)) { + return false; + } if (verbose) { Jmsg(jcr, M_INFO, 0, _("Reposition from (file:block) %u:%u to %u:%u\n"), dev->file, dev->block_num, bsr->volfile->sfile, bsr->volblock->sblock); } - Dmsg4(dbglvl, "Try_Reposition from (file:block) %u:%u to %u:%u\n", + Dmsg4(10, "Try_Reposition from (file:block) %u:%u to %u:%u\n", dev->file, dev->block_num, bsr->volfile->sfile, bsr->volblock->sblock); dev->reposition(dcr, bsr->volfile->sfile, bsr->volblock->sblock); @@ -357,9 +371,8 @@ static BSR *position_to_first_file(JCR *jcr, DCR *dcr) jcr->bsr->reposition = true; /* force repositioning */ bsr = find_next_bsr(jcr->bsr, dev); if (bsr && (bsr->volfile->sfile != 0 || bsr->volblock->sblock != 0)) { - Jmsg(jcr, M_INFO, 0, _("Forward spacing to file:block %u:%u.\n"), - bsr->volfile->sfile, bsr->volblock->sblock); - Dmsg2(dbglvl, "Forward spacing to file:block %u:%u.\n", + Jmsg(jcr, M_INFO, 0, _("Forward spacing Volume \"%s\" to file:block %u:%u.\n"), + dev->VolHdr.VolumeName, bsr->volfile->sfile, bsr->volblock->sblock); dev->reposition(dcr, bsr->volfile->sfile, bsr->volblock->sblock); }