+/*
+ Bacula® - The Network Backup Solution
+
+ Copyright (C) 2001-2012 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 three of the GNU Affero General Public
+ 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
+ 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 Affero 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 Kern Sibbald.
+ The licensor of Bacula is the Free Software Foundation Europe
+ (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
+ Switzerland, email:ftf@fsfeurope.org.
+*/
/*
*
* block.c -- tape block handling functions
* Kern Sibbald, March MMI
* added BB02 format October MMII
*
- * Version $Id$
- *
*/
-/*
- Copyright (C) 2001-2005 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 ammended 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"
+#include "stored.h"
- */
+#ifdef DEBUG_BLOCK_CHECKSUM
+static const bool debug_block_checksum = true;
+#else
+static const bool debug_block_checksum = false;
+#endif
+#ifdef NO_TAPE_WRITE_TEST
+static const bool no_tape_write_test = true;
+#else
+static const bool no_tape_write_test = false;
+#endif
-#include "bacula.h"
-#include "stored.h"
-extern int debug_level;
static bool terminate_writing_volume(DCR *dcr);
static bool do_new_file_bookkeeping(DCR *dcr);
static bool do_dvd_size_checks(DCR *dcr);
int32_t FileIndex;
int32_t Stream;
int bhl, rhl;
+ char buf1[100], buf2[100];
unser_begin(b->buf, BLKHDR1_LENGTH);
unser_uint32(CheckSum);
rhl = RECHDR1_LENGTH;
}
- if (block_len > 100000) {
+ if (block_len > 4000000) {
Dmsg3(20, "Dump block %s 0x%x blocksize too big %u\n", msg, b, block_len);
return;
}
BlockCheckSum = bcrc32((uint8_t *)b->buf+BLKHDR_CS_LENGTH,
block_len-BLKHDR_CS_LENGTH);
- Pmsg6(000, "Dump block %s %x: size=%d BlkNum=%d\n"
-" Hdrcksum=%x cksum=%x\n",
+ Pmsg6(000, _("Dump block %s %x: size=%d BlkNum=%d\n"
+" Hdrcksum=%x cksum=%x\n"),
msg, b, block_len, BlockNumber, CheckSum, BlockCheckSum);
p = b->buf + bhl;
while (p < (b->buf + block_len+WRITE_RECHDR_LENGTH)) {
unser_int32(FileIndex);
unser_int32(Stream);
unser_uint32(data_len);
- Pmsg6(000, " Rec: VId=%u VT=%u FI=%s Strm=%s len=%d p=%x\n",
- VolSessionId, VolSessionTime, FI_to_ascii(FileIndex),
- stream_to_ascii(Stream, FileIndex), data_len, p);
+ Pmsg6(000, _(" Rec: VId=%u VT=%u FI=%s Strm=%s len=%d p=%x\n"),
+ VolSessionId, VolSessionTime, FI_to_ascii(buf1, FileIndex),
+ stream_to_ascii(buf2, Stream, FileIndex), data_len, p);
p += data_len + rhl;
}
}
block->buf = get_memory(block->buf_len);
empty_block(block);
block->BlockVer = BLOCK_VER; /* default write version */
- Dmsg1(350, "Returning new block=%x\n", block);
+ Dmsg1(650, "Returning new block=%x\n", block);
return block;
}
*/
void free_block(DEV_BLOCK *block)
{
- Dmsg1(999, "free_block buffer %x\n", block->buf);
- free_memory(block->buf);
- Dmsg1(999, "free_block block %x\n", block);
- free_memory((POOLMEM *)block);
+ if (block) {
+ Dmsg1(999, "free_block buffer %x\n", block->buf);
+ free_memory(block->buf);
+ Dmsg1(999, "free_block block %x\n", block);
+ free_memory((POOLMEM *)block);
+ }
}
/* Empty the block -- for writing */
* in the buffer should have already been reserved by
* init_block.
*/
-void ser_block_header(DEV_BLOCK *block)
+static uint32_t ser_block_header(DEV_BLOCK *block, bool do_checksum)
{
ser_declare;
uint32_t CheckSum = 0;
}
/* Checksum whole block except for the checksum */
- CheckSum = bcrc32((uint8_t *)block->buf+BLKHDR_CS_LENGTH,
- block_len-BLKHDR_CS_LENGTH);
+ if (do_checksum) {
+ CheckSum = bcrc32((uint8_t *)block->buf+BLKHDR_CS_LENGTH,
+ block_len-BLKHDR_CS_LENGTH);
+ }
Dmsg1(1390, "ser_bloc_header: checksum=%x\n", CheckSum);
ser_begin(block->buf, BLKHDR2_LENGTH);
ser_uint32(CheckSum); /* now add checksum to block header */
+ return CheckSum;
}
/*
dev->dev_errno = EIO;
Mmsg4(dev->errmsg, _("Volume data error at %u:%u! Wanted ID: \"%s\", got \"%s\". Buffer discarded.\n"),
dev->file, dev->block_num, BLKHDR2_ID, Id);
+ Dmsg1(50, "%s", dev->errmsg);
if (block->read_errors == 0 || verbose >= 2) {
Jmsg(jcr, M_ERROR, 0, "%s", dev->errmsg);
}
block->BlockNumber = BlockNumber;
Dmsg3(390, "Read binbuf = %d %d block_len=%d\n", block->binbuf,
bhl, block_len);
- if (block_len <= block->read_len) {
+ if (block_len <= block->read_len && dev->do_checksum()) {
BlockCheckSum = bcrc32((uint8_t *)block->buf+BLKHDR_CS_LENGTH,
block_len-BLKHDR_CS_LENGTH);
if (BlockCheckSum != CheckSum) {
block_len, BlockCheckSum, CheckSum);
if (block->read_errors == 0 || verbose >= 2) {
Jmsg(jcr, M_ERROR, 0, "%s", dev->errmsg);
+ dump_block(block, "with checksum error");
}
block->read_errors++;
if (!forge_on) {
* : false on failure
*
*/
-bool write_block_to_device(DCR *dcr)
+bool DCR::write_block_to_device()
{
bool stat = true;
- DEVICE *dev = dcr->dev;
- JCR *jcr = dcr->jcr;
+ DCR *dcr = this;
if (dcr->spooling) {
+ Dmsg0(100, "Write to spool\n");
stat = write_block_to_spool_file(dcr);
return stat;
}
- if (!dcr->dev_locked) {
- lock_device(dev);
+ if (!dcr->is_dev_locked()) { /* device already locked? */
+ /* note, do not change this to dcr->r_dlock */
+ dev->rLock(); /* no, lock it */
}
/*
if (dcr->NewVol || dcr->NewFile) {
if (job_canceled(jcr)) {
stat = false;
+ Dmsg0(100, "Canceled\n");
goto bail_out;
}
/* Create a jobmedia record for this job */
if (!dir_create_jobmedia_record(dcr)) {
dev->dev_errno = EIO;
- Jmsg(jcr, M_FATAL, 0, _("Could not create JobMedia record for Volume=\"%s\" Job=%s\n"),
- dcr->VolCatInfo.VolCatName, jcr->Job);
+ Jmsg2(jcr, M_FATAL, 0, _("Could not create JobMedia record for Volume=\"%s\" Job=%s\n"),
+ dcr->getVolCatName(), jcr->Job);
set_new_volume_parameters(dcr);
stat = false;
+ Dmsg0(100, "cannot create media record\n");
goto bail_out;
}
if (dcr->NewVol) {
/* Note, setting a new volume also handles any pending new file */
set_new_volume_parameters(dcr);
- dcr->NewFile = false; /* this handled for new file too */
} else {
set_new_file_parameters(dcr);
}
}
- if (!write_block_to_dev(dcr)) {
- if (job_canceled(jcr) || jcr->JobType == JT_SYSTEM) {
+ if (!dcr->write_block_to_dev()) {
+ if (job_canceled(jcr) || jcr->getJobType() == JT_SYSTEM) {
stat = false;
} else {
stat = fixup_device_block_write_error(dcr);
}
bail_out:
- if (!dcr->dev_locked) {
- unlock_device(dev);
+ if (!dcr->is_dev_locked()) { /* did we lock dev above? */
+ /* note, do not change this to dcr->dunlock */
+ dev->Unlock(); /* unlock it now */
}
return stat;
}
* Returns: true on success or EOT
* false on hard error
*/
-bool write_block_to_dev(DCR *dcr)
+bool DCR::write_block_to_dev()
{
ssize_t stat = 0;
uint32_t wlen; /* length to write */
int hit_max1, hit_max2;
bool ok = true;
- DEVICE *dev = dcr->dev;
- JCR *jcr = dcr->jcr;
- DEV_BLOCK *block = dcr->block;
+ DCR *dcr = this;
+ uint32_t checksum;
+
+ if (no_tape_write_test) {
+ empty_block(block);
+ return true;
+ }
+ if (job_canceled(jcr)) {
+ return false;
+ }
-#ifdef NO_TAPE_WRITE_TEST
- empty_block(block);
- return true;
-#endif
ASSERT(block->binbuf == ((uint32_t) (block->bufp - block->buf)));
+ wlen = block->binbuf;
+ if (wlen <= WRITE_BLKHDR_LENGTH) { /* Does block have data in it? */
+ Dmsg0(100, "return write_block_to_dev no data to write\n");
+ return true;
+ }
+
/* dump_block(block, "before write"); */
if (dev->at_weot()) {
Dmsg0(100, "return write_block_to_dev with ST_WEOT\n");
dev->dev_errno = ENOSPC;
- Jmsg(jcr, M_FATAL, 0, _("Cannot write block. Device at EOM.\n"));
+ Jmsg1(jcr, M_FATAL, 0, _("Cannot write block. Device at EOM. dev=%s\n"), dev->print_name());
+ Dmsg1(100, "Attempt to write on read-only Volume. dev=%s\n", dev->print_name());
return false;
}
if (!dev->can_append()) {
dev->dev_errno = EIO;
- Jmsg(jcr, M_FATAL, 0, _("Attempt to write on read-only Volume.\n"));
+ Jmsg1(jcr, M_FATAL, 0, _("Attempt to write on read-only Volume. dev=%s\n"), dev->print_name());
+ Dmsg1(100, "Attempt to write on read-only Volume. dev=%s\n", dev->print_name());
return false;
}
- wlen = block->binbuf;
- if (wlen <= WRITE_BLKHDR_LENGTH) { /* Does block have data in it? */
- Dmsg0(100, "return write_block_to_dev no data to write\n");
- return true;
+
+ if (!dev->is_open()) {
+ Jmsg1(jcr, M_FATAL, 0, _("Attempt to write on closed device=%s\n"), dev->print_name());
+ Dmsg1(100, "Attempt to write on closed device=%s\n", dev->print_name());
+ return false;
}
+
/*
* Clear to the end of the buffer if it is not full,
* and on tape devices, apply min and fixed blocking.
if (wlen != block->buf_len) {
uint32_t blen; /* current buffer length */
- Dmsg2(200, "binbuf=%d buf_len=%d\n", block->binbuf, block->buf_len);
+ Dmsg2(250, "binbuf=%d buf_len=%d\n", block->binbuf, block->buf_len);
blen = wlen;
/* Adjust write size to min/max for tapes only */
}
}
- ser_block_header(block);
+ checksum = ser_block_header(block, dev->do_checksum());
/* Limit maximum Volume size to value specified by user */
hit_max1 = (dev->max_volume_size > 0) &&
if (hit_max1 || hit_max2) {
char ed1[50];
uint64_t max_cap;
- Dmsg0(10, "==== Output bytes Triggered medium max capacity.\n");
+ Dmsg0(100, "==== Output bytes Triggered medium max capacity.\n");
if (hit_max1) {
max_cap = dev->max_volume_size;
} else {
max_cap = dev->VolCatInfo.VolCatMaxBytes;
}
Jmsg(jcr, M_INFO, 0, _("User defined maximum volume capacity %s exceeded on device %s.\n"),
- edit_uint64_with_commas(max_cap, ed1), dev->dev_name);
+ edit_uint64_with_commas(max_cap, ed1), dev->print_name());
terminate_writing_volume(dcr);
reread_last_block(dcr); /* DEBUG */
dev->dev_errno = ENOSPC;
(dev->file_size+block->binbuf) >= dev->max_file_size) {
dev->file_size = 0; /* reset file size */
- if (weof_dev(dev, 1) != 0) { /* write eof */
- Dmsg0(190, "WEOF error in max file size.\n");
+ if (!dev->weof(1)) { /* write eof */
+ Dmsg0(50, "WEOF error in max file size.\n");
Jmsg(jcr, M_FATAL, 0, _("Unable to write EOF. ERR=%s\n"),
- strerror_dev(dev));
+ dev->bstrerror());
terminate_writing_volume(dcr);
dev->dev_errno = ENOSPC;
return false;
#ifdef DEBUG_BLOCK_ZEROING
uint32_t *bp = (uint32_t *)block->buf;
if (bp[0] == 0 && bp[1] == 0 && bp[2] == 0 && block->buf[12] == 0) {
- Jmsg0(jcr, M_ABORT, 0, "Write block header zeroed.\n");
+ Jmsg0(jcr, M_ABORT, 0, _("Write block header zeroed.\n"));
}
#endif
/*
- * Do write here
+ * Do write here, make a somewhat feeble attempt to recover from
+ * I/O errors, or from the OS telling us it is busy.
*/
- stat = write(dev->fd, block->buf, (size_t)wlen);
+ int retry = 0;
+ errno = 0;
+ stat = 0;
+ do {
+ if (retry > 0 && stat == -1 && errno == EBUSY) {
+ berrno be;
+ Dmsg4(100, "===== write retry=%d stat=%d errno=%d: ERR=%s\n",
+ retry, stat, errno, be.bstrerror());
+ bmicrosleep(5, 0); /* pause a bit if busy or lots of errors */
+ dev->clrerror(-1);
+ }
+ stat = dev->write(block->buf, (size_t)wlen);
+
+ } while (stat == -1 && (errno == EBUSY || errno == EIO) && retry++ < 3);
+
+ if (debug_block_checksum) {
+ uint32_t achecksum = ser_block_header(block, dev->do_checksum());
+ if (checksum != achecksum) {
+ Jmsg2(jcr, M_ERROR, 0, _("Block checksum changed during write: before=%ud after=%ud\n"),
+ checksum, achecksum);
+ dump_block(block, "with checksum error");
+ }
+ }
#ifdef DEBUG_BLOCK_ZEROING
if (bp[0] == 0 && bp[1] == 0 && bp[2] == 0 && block->buf[12] == 0) {
- Jmsg0(jcr, M_ABORT, 0, "Write block header zeroed.\n");
+ Jmsg0(jcr, M_ABORT, 0, _("Write block header zeroed.\n"));
}
#endif
*/
if (stat == -1) {
berrno be;
- clrerror_dev(dev, -1);
+ dev->clrerror(-1);
if (dev->dev_errno == 0) {
dev->dev_errno = ENOSPC; /* out of space */
}
if (dev->dev_errno != ENOSPC) {
+ dev->VolCatInfo.VolCatErrors++;
Jmsg4(jcr, M_ERROR, 0, _("Write error at %u:%u on device %s. ERR=%s.\n"),
- dev->file, dev->block_num, dev->dev_name, be.strerror());
+ dev->file, dev->block_num, dev->print_name(), be.bstrerror());
}
} else {
dev->dev_errno = ENOSPC; /* out of space */
}
if (dev->dev_errno == ENOSPC) {
Jmsg(jcr, M_INFO, 0, _("End of Volume \"%s\" at %u:%u on device %s. Write of %u bytes got %d.\n"),
- dev->VolCatInfo.VolCatName,
+ dev->getVolCatName(),
dev->file, dev->block_num, dev->print_name(), wlen, stat);
}
- Dmsg6(100, "=== Write error. size=%u rtn=%d dev_blk=%d blk_blk=%d errno=%d: ERR=%s\n",
- wlen, stat, dev->block_num, block->BlockNumber, dev->dev_errno, strerror(dev->dev_errno));
+ if (debug_level >= 100) {
+ berrno be;
+ Dmsg7(100, "=== Write error. fd=%d size=%u rtn=%d dev_blk=%d blk_blk=%d errno=%d: ERR=%s\n",
+ dev->fd(), wlen, stat, dev->block_num, block->BlockNumber,
+ dev->dev_errno, be.bstrerror(dev->dev_errno));
+ }
ok = terminate_writing_volume(dcr);
if (!ok && !forge_on) {
}
/* We successfully wrote the block, now do housekeeping */
-
- dev->VolCatInfo.VolCatBytes += block->binbuf;
+ Dmsg2(1300, "VolCatBytes=%d newVolCatBytes=%d\n", (int)dev->VolCatInfo.VolCatBytes,
+ (int)(dev->VolCatInfo.VolCatBytes+wlen));
+ dev->VolCatInfo.VolCatBytes += wlen;
dev->VolCatInfo.VolCatBlocks++;
dev->EndBlock = dev->block_num;
dev->EndFile = dev->file;
- dev->block_num++;
+ dev->LastBlock = block->BlockNumber;
block->BlockNumber++;
/* Update dcr values */
if (dev->is_tape()) {
dcr->EndBlock = dev->EndBlock;
dcr->EndFile = dev->EndFile;
+ dev->block_num++;
} else {
- /* Save address of start of block just written */
- dcr->EndBlock = (uint32_t)dev->file_addr;
- dcr->EndFile = (uint32_t)(dev->file_addr >> 32);
+ /* Save address of block just written */
+ uint64_t addr = dev->file_addr + wlen - 1;
+ dcr->EndBlock = (uint32_t)addr;
+ dcr->EndFile = (uint32_t)(addr >> 32);
+ dev->block_num = dcr->EndBlock;
+ dev->file = dcr->EndFile;
}
+ dcr->VolMediaId = dev->VolCatInfo.VolMediaId;
if (dcr->VolFirstIndex == 0 && block->FirstIndex > 0) {
dcr->VolFirstIndex = block->FirstIndex;
}
* then re-read it and verify that the block number is
* correct.
*/
- if (dev->is_tape() && dev_cap(dev, CAP_BSR)) {
+ if (dev->is_tape() && dev->has_cap(CAP_BSR)) {
/* Now back up over what we wrote and read the last block */
- if (!bsf_dev(dev, 1)) {
+ if (!dev->bsf(1)) {
berrno be;
ok = false;
Jmsg(jcr, M_ERROR, 0, _("Backspace file at EOT failed. ERR=%s\n"),
- be.strerror(dev->dev_errno));
+ be.bstrerror(dev->dev_errno));
}
- if (ok && dev_cap(dev, CAP_TWOEOF) && !bsf_dev(dev, 1)) {
+ if (ok && dev->has_cap(CAP_TWOEOF) && !dev->bsf(1)) {
berrno be;
ok = false;
Jmsg(jcr, M_ERROR, 0, _("Backspace file at EOT failed. ERR=%s\n"),
- be.strerror(dev->dev_errno));
+ be.bstrerror(dev->dev_errno));
}
/* Backspace over record */
- if (ok && !bsr_dev(dev, 1)) {
+ if (ok && !dev->bsr(1)) {
berrno be;
ok = false;
Jmsg(jcr, M_ERROR, 0, _("Backspace record at EOT failed. ERR=%s\n"),
- be.strerror(dev->dev_errno));
+ be.bstrerror(dev->dev_errno));
/*
* On FreeBSD systems, if the user got here, it is likely that his/her
* tape drive is "frozen". The correct thing to do is a
* rewind(), but if we do that, higher levels in cleaning up, will
* most likely write the EOS record over the beginning of the
* tape. The rewind *is* done later in mount.c when another
- * tape is requested. Note, the clrerror_dev() call in bsr_dev()
+ * tape is requested. Note, the clrerror() call in bsr()
* calls ioctl(MTCERRSTAT), which *should* fix the problem.
*/
}
DEV_BLOCK *lblock = new_block(dev);
/* Note, this can destroy dev->errmsg */
dcr->block = lblock;
- if (!read_block_from_dev(dcr, NO_BLOCK_NUMBER_CHECK)) {
+ if (!dcr->read_block_from_dev(NO_BLOCK_NUMBER_CHECK)) {
Jmsg(jcr, M_ERROR, 0, _("Re-read last block at EOT failed. ERR=%s"),
dev->errmsg);
} else {
- if (lblock->BlockNumber+1 == block->BlockNumber) {
- Jmsg(jcr, M_INFO, 0, _("Re-read of last block succeeded.\n"));
+ /*
+ * If we wrote block and the block numbers don't agree
+ * we have a possible problem.
+ */
+ if (lblock->BlockNumber != dev->LastBlock) {
+ if (dev->LastBlock > (lblock->BlockNumber + 1)) {
+ Jmsg(jcr, M_FATAL, 0, _(
+"Re-read of last block: block numbers differ by more than one.\n"
+"Probable tape misconfiguration and data loss. Read block=%u Want block=%u.\n"),
+ lblock->BlockNumber, dev->LastBlock);
+ } else {
+ Jmsg(jcr, M_ERROR, 0, _(
+"Re-read of last block OK, but block numbers differ. Read block=%u Want block=%u.\n"),
+ lblock->BlockNumber, dev->LastBlock);
+ }
} else {
- Jmsg(jcr, M_ERROR, 0, _(
-"Re-read of last block failed. Last block=%u Current block=%u.\n"),
- lblock->BlockNumber, block->BlockNumber);
+ Jmsg(jcr, M_INFO, 0, _("Re-read of last block succeeded.\n"));
}
}
free_block(lblock);
#endif
}
+/*
+ * If this routine is called, we do our bookkeeping and
+ * then assure that the volume will not be written any
+ * more.
+ */
static bool terminate_writing_volume(DCR *dcr)
{
DEVICE *dev = dcr->dev;
/* Create a JobMedia record to indicated end of tape */
dev->VolCatInfo.VolCatFiles = dev->file;
if (!dir_create_jobmedia_record(dcr)) {
- Dmsg0(190, "Error from create JobMedia\n");
+ Dmsg0(50, "Error from create JobMedia\n");
dev->dev_errno = EIO;
- Jmsg(dcr->jcr, M_FATAL, 0, _("Could not create JobMedia record for Volume=\"%s\" Job=%s\n"),
- dcr->VolCatInfo.VolCatName, dcr->jcr->Job);
+ Mmsg2(dev->errmsg, _("Could not create JobMedia record for Volume=\"%s\" Job=%s\n"),
+ dcr->getVolCatName(), dcr->jcr->Job);
+ Jmsg(dcr->jcr, M_FATAL, 0, "%s", dev->errmsg);
ok = false;
- goto bail_out;
}
dcr->block->write_failed = true;
- if (weof_dev(dev, 1) != 0) { /* end the tape */
+ if (!dev->weof(1)) { /* end the tape */
dev->VolCatInfo.VolCatErrors++;
- Jmsg(dcr->jcr, M_ERROR, 0, "Error writing final EOF to tape. This tape may not be readable.\n"
- "%s", dev->errmsg);
+ Jmsg(dcr->jcr, M_ERROR, 0, _("Error writing final EOF to tape. This Volume may not be readable.\n"
+ "%s"), dev->errmsg);
ok = false;
- Dmsg0(100, "WEOF error.\n");
+ Dmsg0(50, "Error writing final EOF to volume.\n");
}
if (ok) {
ok = write_ansi_ibm_labels(dcr, ANSI_EOV_LABEL, dev->VolHdr.VolumeName);
}
bstrncpy(dev->VolCatInfo.VolCatStatus, "Full", sizeof(dev->VolCatInfo.VolCatStatus));
dev->VolCatInfo.VolCatFiles = dev->file; /* set number of files */
- dev->VolCatInfo.VolCatJobs++; /* increment number of jobs */
- if (dev->is_dvd()) { /* Write the current (and last) part. */
- open_next_part(dcr);
+ if (dev->is_dvd()) {
+ if (!dvd_write_part(dcr)) { /* write last part */
+ dev->VolCatInfo.VolCatErrors++;
+ Jmsg(dcr->jcr, M_FATAL, 0, _("Error writing final part to DVD. "
+ "This Volume may not be readable.\n%s"),
+ dev->errmsg);
+ ok = false;
+ Dmsg0(100, "dvd_write_part error.\n");
+ }
+ dev->VolCatInfo.VolCatParts = dev->num_dvd_parts;
}
- if (!dir_update_volume_info(dcr, false)) {
+ if (!dir_update_volume_info(dcr, false, true)) {
+ Mmsg(dev->errmsg, _("Error sending Volume info to Director.\n"));
ok = false;
+ Dmsg0(50, "Error updating volume info.\n");
}
- Dmsg1(100, "dir_update_volume_info terminate writing -- %s\n", ok?"OK":"ERROR");
+ Dmsg1(50, "dir_update_volume_info terminate writing -- %s\n", ok?"OK":"ERROR");
/*
* Walk through all attached dcrs setting flag to call
/* Set new file/block parameters for current dcr */
set_new_file_parameters(dcr);
- if (ok && dev_cap(dev, CAP_TWOEOF) && weof_dev(dev, 1) != 0) { /* end the tape */
+ if (ok && dev->has_cap(CAP_TWOEOF) && !dev->weof(1)) { /* end the tape */
dev->VolCatInfo.VolCatErrors++;
/* This may not be fatal since we already wrote an EOF */
Jmsg(dcr->jcr, M_ERROR, 0, "%s", dev->errmsg);
+ Dmsg0(50, "Writing second EOF failed.\n");
}
-bail_out:
+
dev->set_ateot(); /* no more writing this tape */
- Dmsg1(100, "Leave terminate_writing_volume -- %s\n", ok?"OK":"ERROR");
+ Dmsg1(50, "*** Leave terminate_writing_volume -- %s\n", ok?"OK":"ERROR");
return ok;
}
/* Create a JobMedia record so restore can seek */
if (!dir_create_jobmedia_record(dcr)) {
- Dmsg0(190, "Error from create_job_media.\n");
+ Dmsg0(50, "Error from create_job_media.\n");
dev->dev_errno = EIO;
- Jmsg(jcr, M_FATAL, 0, _("Could not create JobMedia record for Volume=\"%s\" Job=%s\n"),
- dcr->VolCatInfo.VolCatName, jcr->Job);
- terminate_writing_volume(dcr);
- dev->dev_errno = EIO;
- return false;
+ Jmsg2(jcr, M_FATAL, 0, _("Could not create JobMedia record for Volume=\"%s\" Job=%s\n"),
+ dcr->getVolCatName(), jcr->Job);
+ terminate_writing_volume(dcr);
+ dev->dev_errno = EIO;
+ return false;
}
dev->VolCatInfo.VolCatFiles = dev->file;
- if (!dir_update_volume_info(dcr, false)) {
- Dmsg0(190, "Error from update_vol_info.\n");
+ if (!dir_update_volume_info(dcr, false, false)) {
+ Dmsg0(50, "Error from update_vol_info.\n");
terminate_writing_volume(dcr);
dev->dev_errno = EIO;
return false;
JCR *jcr = dcr->jcr;
DEV_BLOCK *block = dcr->block;
+ /* Don't go further if the device is not a dvd */
+ if (!dev->is_dvd()) {
+ return true;
+ }
+
/* Limit maximum part size to value specified by user
- * (not applicable to tapes/fifos)
*/
- if (!(dev->is_tape() || dev->is_fifo()) && dev->max_part_size > 0 &&
- (dev->part_size + block->binbuf) >= dev->max_part_size) {
- if (dev->part < dev->num_parts) {
+ if (dev->max_part_size > 0 && ((dev->part_size + block->binbuf) >= dev->max_part_size)) {
+ if (dev->part < dev->num_dvd_parts) {
Jmsg3(dcr->jcr, M_FATAL, 0, _("Error while writing, current part number"
" is less than the total number of parts (%d/%d, device=%s)\n"),
- dev->part, dev->num_parts, dev->print_name());
+ dev->part, dev->num_dvd_parts, dev->print_name());
dev->dev_errno = EIO;
return false;
}
- if (open_next_part(dcr) < 0) {
+ if (dvd_open_next_part(dcr) < 0) {
Jmsg2(dcr->jcr, M_FATAL, 0, _("Unable to open device next part %s: ERR=%s\n"),
- dev->print_name(), strerror_dev(dev));
+ dev->print_name(), dev->bstrerror());
dev->dev_errno = EIO;
return false;
}
- dev->VolCatInfo.VolCatParts = dev->num_parts;
+ dev->VolCatInfo.VolCatParts = dev->num_dvd_parts;
- if (!dir_update_volume_info(dcr, false)) {
+ if (!dir_update_volume_info(dcr, false, false)) {
Dmsg0(190, "Error from update_vol_info.\n");
dev->dev_errno = EIO;
return false;
}
}
+
+ dev->update_freespace();
- if (dev->free_space_errno < 0) { /* Error while getting free space */
+ if (!dev->is_freespace_ok()) { /* Error while getting free space */
char ed1[50], ed2[50];
- Dmsg1(10, "Cannot get free space on the device ERR=%s.\n", dev->errmsg);
+ Dmsg1(100, "Cannot get free space on the device ERR=%s.\n", dev->errmsg);
Jmsg(jcr, M_FATAL, 0, _("End of Volume \"%s\" at %u:%u on device %s "
"(part_size=%s, free_space=%s, free_space_errno=%d, errmsg=%s).\n"),
- dev->VolCatInfo.VolCatName,
+ dev->getVolCatName(),
dev->file, dev->block_num, dev->print_name(),
edit_uint64_with_commas(dev->part_size, ed1), edit_uint64_with_commas(dev->free_space, ed2),
dev->free_space_errno, dev->errmsg);
- dev->dev_errno = -dev->free_space_errno;
+ dev->dev_errno = dev->free_space_errno;
return false;
}
- if ((dev->free_space_errno > 0 && (dev->part_size + block->binbuf) >= dev->free_space)) {
+ if ((dev->is_freespace_ok() && (dev->part_size + block->binbuf) >= dev->free_space)) {
char ed1[50], ed2[50];
- Dmsg0(10, "==== Just enough free space on the device to write the current part...\n");
+ Dmsg0(100, "==== Just enough free space on the device to write the current part...\n");
Jmsg(jcr, M_INFO, 0, _("End of Volume \"%s\" at %u:%u on device %s "
"(part_size=%s, free_space=%s, free_space_errno=%d).\n"),
- dev->VolCatInfo.VolCatName,
+ dev->getVolCatName(),
dev->file, dev->block_num, dev->print_name(),
edit_uint64_with_commas(dev->part_size, ed1), edit_uint64_with_commas(dev->free_space, ed2),
dev->free_space_errno);
* Read block with locking
*
*/
-bool read_block_from_device(DCR *dcr, bool check_block_numbers)
+bool DCR::read_block_from_device(bool check_block_numbers)
{
bool ok;
- DEVICE *dev = dcr->dev;
- Dmsg0(200, "Enter read_block_from_device\n");
- lock_device(dev);
- ok = read_block_from_dev(dcr, check_block_numbers);
- unlock_device(dev);
- Dmsg0(200, "Leave read_block_from_device\n");
+
+ Dmsg0(250, "Enter read_block_from_device\n");
+ dev->rLock();
+ ok = read_block_from_dev(check_block_numbers);
+ dev->Unlock();
+ Dmsg0(250, "Leave read_block_from_device\n");
return ok;
}
* the block header. For a file, the block may be partially
* or completely in the current buffer.
*/
-bool read_block_from_dev(DCR *dcr, bool check_block_numbers)
+bool DCR::read_block_from_dev(bool check_block_numbers)
{
ssize_t stat;
int looping;
- uint32_t BlockNumber;
int retry;
- JCR *jcr = dcr->jcr;
- DEVICE *dev = dcr->dev;
- DEV_BLOCK *block = dcr->block;
+ DCR *dcr = this;
+
+ if (job_canceled(jcr)) {
+ Mmsg(dev->errmsg, _("Job failed or canceled.\n"));
+ block->read_len = 0;
+ return false;
+ }
if (dev->at_eot()) {
+ Mmsg(dev->errmsg, _("Attempt to read past end of tape or file.\n"));
+ block->read_len = 0;
return false;
}
looping = 0;
- Dmsg1(200, "Full read() in read_block_from_device() len=%d\n",
+ Dmsg1(250, "Full read in read_block_from_device() len=%d\n",
block->buf_len);
+
+ if (!dev->is_open()) {
+ Mmsg4(dev->errmsg, _("Attempt to read closed device: fd=%d at file:blk %u:%u on device %s\n"),
+ dev->fd(), dev->file, dev->block_num, dev->print_name());
+ Jmsg(dcr->jcr, M_WARNING, 0, "%s", dev->errmsg);
+ block->read_len = 0;
+ return false;
+ }
+
reread:
if (looping > 1) {
dev->dev_errno = EIO;
Mmsg1(dev->errmsg, _("Block buffer size looping problem on device %s\n"),
- dev->dev_name);
+ dev->print_name());
Jmsg(jcr, M_ERROR, 0, "%s", dev->errmsg);
block->read_len = 0;
return false;
}
- /*Dmsg1(200, "dev->file_size=%u\n",(unsigned int)dev->file_size);
- Dmsg1(200, "lseek=%u\n",(unsigned int)lseek(dev->fd, 0, SEEK_CUR));
- Dmsg1(200, "dev->part_start=%u\n",(unsigned int)dev->part_start);
- Dmsg1(200, "dev->file_size-dev->part_start=%u\n",(unsigned int)dev->file_size-dev->part_start);
- Dmsg1(200, "dev->part_size=%u\n", (unsigned int)dev->part_size);
- Dmsg1(200, "dev->part=%u\n", (unsigned int)dev->part);
- Dmsg1(200, "dev->VolCatInfo.VolCatParts=%u\n", (unsigned int)dev->VolCatInfo.VolCatParts);
- Dmsg3(200, "Tests : %d %d %d\n", (dev->VolCatInfo.VolCatParts > 0),
- ((dev->file_size-dev->part_start) == dev->part_size),
- (dev->part <= dev->VolCatInfo.VolCatParts));*/
- /* Check for part file end */
- if ((dev->num_parts > 0) &&
- ((dev->file_size-dev->part_start) == dev->part_size) &&
- (dev->part < dev->num_parts)) {
- if (open_next_part(dcr) < 0) {
- Jmsg2(dcr->jcr, M_FATAL, 0, _("Unable to open device next part %s: ERR=%s\n"),
- dev->print_name(), strerror_dev(dev));
+ /* Check for DVD part file end */
+ if (dev->at_eof() && dev->is_dvd() && dev->num_dvd_parts > 0 &&
+ dev->part <= dev->num_dvd_parts) {
+ Dmsg0(400, "Call dvd_open_next_part\n");
+ if (dvd_open_next_part(dcr) < 0) {
+ Mmsg3(dev->errmsg, _("Unable to open device part=%d %s: ERR=%s\n"),
+ dev->part, dev->print_name(), dev->bstrerror());
+ Jmsg(dcr->jcr, M_FATAL, 0, "%s", dev->errmsg);
dev->dev_errno = EIO;
return false;
}
}
retry = 0;
+ errno = 0;
+ stat = 0;
do {
-// uint32_t *bp = (uint32_t *)block->buf;
-// Pmsg3(000, "Read %p %u at %llu\n", block->buf, block->buf_len, lseek(dev->fd, 0, SEEK_CUR));
-
- stat = read(dev->fd, block->buf, (size_t)block->buf_len);
-
-// Pmsg8(000, "stat=%d Csum=%u blen=%u bnum=%u %c%c%c%c\n",stat, bp[0],bp[1],bp[2],
-// block->buf[12],block->buf[13],block->buf[14],block->buf[15]);
-
- if (retry == 1) {
- dev->VolCatInfo.VolCatErrors++;
+ if ((retry > 0 && stat == -1 && errno == EBUSY)) {
+ berrno be;
+ Dmsg4(100, "===== read retry=%d stat=%d errno=%d: ERR=%s\n",
+ retry, stat, errno, be.bstrerror());
+ bmicrosleep(10, 0); /* pause a bit if busy or lots of errors */
+ dev->clrerror(-1);
}
- } while (stat == -1 && (errno == EINTR || errno == EIO) && retry++ < 11);
+ stat = dev->read(block->buf, (size_t)block->buf_len);
+
+ } while (stat == -1 && (errno == EBUSY || errno == EINTR || errno == EIO) && retry++ < 3);
if (stat < 0) {
berrno be;
- clrerror_dev(dev, -1);
- Dmsg1(200, "Read device got: ERR=%s\n", be.strerror());
+ dev->clrerror(-1);
+ Dmsg1(250, "Read device got: ERR=%s\n", be.bstrerror());
block->read_len = 0;
- Mmsg4(dev->errmsg, _("Read error at file:blk %u:%u on device %s. ERR=%s.\n"),
- dev->file, dev->block_num, dev->dev_name, be.strerror());
+ Mmsg5(dev->errmsg, _("Read error on fd=%d at file:blk %u:%u on device %s. ERR=%s.\n"),
+ dev->fd(), dev->file, dev->block_num, dev->print_name(), be.bstrerror());
Jmsg(jcr, M_ERROR, 0, "%s", dev->errmsg);
if (dev->at_eof()) { /* EOF just seen? */
dev->set_eot(); /* yes, error => EOT */
}
return false;
}
- Dmsg3(200, "Read device got %d bytes at %u:%u\n", stat,
+ Dmsg3(250, "Read device got %d bytes at %u:%u\n", stat,
dev->file, dev->block_num);
if (stat == 0) { /* Got EOF ! */
dev->block_num = 0;
block->read_len = 0;
Mmsg3(dev->errmsg, _("Read zero bytes at %u:%u on device %s.\n"),
- dev->file, dev->block_num, dev->dev_name);
+ dev->file, dev->block_num, dev->print_name());
if (dev->at_eof()) { /* EOF already read? */
dev->set_eot(); /* yes, 2 EOFs => EOT */
return 0;
dev->set_ateof();
return false; /* return eof */
}
+
/* Continue here for successful read */
+
block->read_len = stat; /* save length read */
+ if (block->read_len == 80 &&
+ (dcr->VolCatInfo.LabelType != B_BACULA_LABEL ||
+ dcr->device->label_type != B_BACULA_LABEL)) {
+ /* ***FIXME*** should check label */
+ Dmsg2(100, "Ignore 80 byte ANSI label at %u:%u\n", dev->file, dev->block_num);
+ dev->clear_eof();
+ goto reread; /* skip ANSI/IBM label */
+ }
+
if (block->read_len < BLKHDR2_LENGTH) {
dev->dev_errno = EIO;
Mmsg4(dev->errmsg, _("Volume data error at %u:%u! Very short block of %d bytes on device %s discarded.\n"),
- dev->file, dev->block_num, block->read_len, dev->dev_name);
+ dev->file, dev->block_num, block->read_len, dev->print_name());
Jmsg(jcr, M_ERROR, 0, "%s", dev->errmsg);
dev->set_short_block();
block->read_len = block->binbuf = 0;
+ Dmsg2(200, "set block=%p binbuf=%d\n", block, block->binbuf);
return false; /* return error */
}
- BlockNumber = block->BlockNumber + 1;
+// BlockNumber = block->BlockNumber + 1;
if (!unser_block_header(jcr, dev, block)) {
if (forge_on) {
dev->file_addr += block->read_len;
Pmsg1(000, "%s", dev->errmsg);
/* Attempt to reposition to re-read the block */
if (dev->is_tape()) {
- Dmsg0(200, "BSR for reread; block too big for buffer.\n");
- if (!bsr_dev(dev, 1)) {
- Jmsg(jcr, M_ERROR, 0, "%s", strerror_dev(dev));
+ Dmsg0(250, "BSR for reread; block too big for buffer.\n");
+ if (!dev->bsr(1)) {
+ Mmsg(dev->errmsg, "%s", dev->bstrerror());
+ Jmsg(jcr, M_ERROR, 0, "%s", dev->errmsg);
block->read_len = 0;
return false;
}
} else {
- Dmsg0(200, "Seek to beginning of block for reread.\n");
- off_t pos = lseek_dev(dev, (off_t)0, SEEK_CUR); /* get curr pos */
+ Dmsg0(250, "Seek to beginning of block for reread.\n");
+ boffset_t pos = dev->lseek(dcr, (boffset_t)0, SEEK_CUR); /* get curr pos */
pos -= block->read_len;
- lseek_dev(dev, pos, SEEK_SET);
+ dev->lseek(dcr, pos, SEEK_SET);
dev->file_addr = pos;
}
Mmsg1(dev->errmsg, _("Setting block buffer size to %u bytes.\n"), block->block_len);
if (block->block_len > block->read_len) {
dev->dev_errno = EIO;
Mmsg4(dev->errmsg, _("Volume data error at %u:%u! Short block of %d bytes on device %s discarded.\n"),
- dev->file, dev->block_num, block->read_len, dev->dev_name);
+ dev->file, dev->block_num, block->read_len, dev->print_name());
Jmsg(jcr, M_ERROR, 0, "%s", dev->errmsg);
dev->set_short_block();
block->read_len = block->binbuf = 0;
dev->VolCatInfo.VolCatReads++;
dev->VolCatInfo.VolCatRBytes += block->read_len;
- dev->VolCatInfo.VolCatBytes += block->block_len;
- dev->VolCatInfo.VolCatBlocks++;
dev->EndBlock = dev->block_num;
dev->EndFile = dev->file;
dev->block_num++;
dcr->EndBlock = dev->EndBlock;
dcr->EndFile = dev->EndFile;
} else {
- dcr->EndBlock = (uint32_t)dev->file_addr;
- dcr->EndFile = (uint32_t)(dev->file_addr >> 32);
- dev->block_num = dcr->EndBlock;
- dev->file = dcr->EndFile;
+ /* We need to take care about a short block in EndBlock/File
+ * computation
+ */
+ uint32_t len = MIN(block->read_len, block->block_len);
+ uint64_t addr = dev->file_addr + len - 1;
+ dcr->EndBlock = (uint32_t)addr;
+ dcr->EndFile = (uint32_t)(addr >> 32);
+ dev->block_num = dev->EndBlock = dcr->EndBlock;
+ dev->file = dev->EndFile = dcr->EndFile;
}
- dev->file_addr += block->block_len;
- dev->file_size += block->block_len;
+ dcr->VolMediaId = dev->VolCatInfo.VolMediaId;
+ dev->file_addr += block->read_len;
+ dev->file_size += block->read_len;
/*
* If we read a short block on disk,
* lseek(). One to get the position, then the second to do an
* absolute positioning -- so much for efficiency. KES Sep 02.
*/
- Dmsg0(200, "At end of read block\n");
+ Dmsg0(250, "At end of read block\n");
if (block->read_len > block->block_len && !dev->is_tape()) {
char ed1[50];
- off_t pos = lseek_dev(dev, (off_t)0, SEEK_CUR); /* get curr pos */
+ boffset_t pos = dev->lseek(dcr, (boffset_t)0, SEEK_CUR); /* get curr pos */
+ Dmsg1(250, "Current lseek pos=%s\n", edit_int64(pos, ed1));
pos -= (block->read_len - block->block_len);
- lseek_dev(dev, pos, SEEK_SET);
- Dmsg3(200, "Did lseek pos=%s blk_size=%d rdlen=%d\n",
- edit_uint64(pos, ed1), block->block_len,
+ dev->lseek(dcr, pos, SEEK_SET);
+ Dmsg3(250, "Did lseek pos=%s blk_size=%d rdlen=%d\n",
+ edit_int64(pos, ed1), block->block_len,
block->read_len);
dev->file_addr = pos;
dev->file_size = pos;
}
- Dmsg2(200, "Exit read_block read_len=%d block_len=%d\n",
+ Dmsg2(250, "Exit read_block read_len=%d block_len=%d\n",
block->read_len, block->block_len);
block->block_read = true;
return true;
projects / bacula / bacula / blobdiff