/*
* 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();
}
/*
* Write a Volume Label
* !!! Note, this is ONLY used for writing
* a fresh volume label. Any data
* after the label will be destroyed,
* in fact, we write the label 5 times !!!!
*
* This routine should be used only when labeling a blank tape.
*/
bool write_new_volume_label_to_dev(DCR *dcr, const char *VolName,
const char *PoolName, bool relabel)
{
JCR *jcr = dcr->jcr;
DEVICE *dev = dcr->dev;
DEV_BLOCK *block = dcr->block;
Dmsg0(150, "write_volume_label()\n");
if (*VolName == 0) {
Pmsg0(0, "=== ERROR: write_new_volume_label_to_dev called with NULL VolName\n");
goto bail_out;
}
if (relabel) {
volume_unused(dcr); /* mark current volume unused */
/* Truncate device */
if (!dev->truncate(dcr)) {
goto bail_out;
}
if (!dev->is_tape()) {
dev->close(dcr); /* make sure file closed for rename */
}
}
/* Set the new filename for open, ... */
dev->setVolCatName(VolName);
dcr->setVolCatName(VolName);
Dmsg1(150, "New VolName=%s\n", VolName);
if (!dev->open(dcr, OPEN_READ_WRITE)) {
/* If device is not tape, attempt to create it */
if (dev->is_tape() || !dev->open(dcr, CREATE_READ_WRITE)) {
Jmsg3(jcr, M_WARNING, 0, _("Open device %s Volume \"%s\" failed: ERR=%s\n"),
dev->print_name(), dcr->VolumeName, dev->bstrerror());
goto bail_out;
}
}
Dmsg1(150, "Label type=%d\n", dev->label_type);
/*
* Let any stored plugin know that we are about to write a new label to the volume.
*/
if (generate_plugin_event(jcr, bsdEventLabelWrite, dcr) != bRC_OK) {
Dmsg0(200, "Error from bsdEventLabelWrite plugin event.\n");
goto bail_out;
}
for ( ;; ) {
empty_block(block);
if (!dev->rewind(dcr)) {
Dmsg2(130, "Bad status on %s from rewind: ERR=%s\n", dev->print_name(), dev->print_errmsg());
if (!forge_on) {
goto bail_out;
}
}
/* Temporarily mark in append state to enable writing */
dev->set_append();
/* Create PRE_LABEL */
create_volume_label(dev, VolName, PoolName);
/*
* If we have already detected an ANSI label, re-read it
* to skip past it. Otherwise, we write a new one if
* so requested.
*/
if (dev->label_type != B_BAREOS_LABEL) {
if (read_ansi_ibm_label(dcr) != VOL_OK) {
dev->rewind(dcr);
goto bail_out;
}
} else if (!write_ansi_ibm_labels(dcr, ANSI_VOL_LABEL, VolName)) {
goto bail_out;
}
create_volume_label_record(dcr, dev, dcr->rec);
dcr->rec->Stream = 0;
dcr->rec->maskedStream = 0;
if (!write_record_to_block(dcr, dcr->rec)) {
Dmsg2(130, "Bad Label write on %s: ERR=%s\n", dev->print_name(), dev->print_errmsg());
goto bail_out;
} else {
Dmsg2(130, "Wrote label of %d bytes to %s\n", dcr->rec->data_len, dev->print_name());
}
Dmsg0(130, "Call write_block_to_dev()\n");
if (!dcr->write_block_to_dev()) {
Dmsg2(130, "Bad Label write on %s: ERR=%s\n", dev->print_name(), dev->print_errmsg());
goto bail_out;
}
break;
}
dev = dcr->dev;
Dmsg0(130, " Wrote block to device\n");
if (dev->weof(1)) {
dev->set_labeled();
write_ansi_ibm_labels(dcr, ANSI_EOF_LABEL, dev->VolHdr.VolumeName);
}
if (debug_level >= 20) {
dump_volume_label(dev);
}
Dmsg0(100, "Call reserve_volume\n");
if (reserve_volume(dcr, VolName) == NULL) {
Mmsg2(jcr->errmsg, _("Could not reserve volume %s on %s\n"),
dev->VolHdr.VolumeName, dev->print_name());
Dmsg1(100, "%s", jcr->errmsg);
goto bail_out;
}
dev = dcr->dev; /* may have changed in reserve_volume */
dev->clear_append(); /* remove append since this is PRE_LABEL */
return true;
bail_out:
volume_unused(dcr);
dev->clear_volhdr();
dev->clear_append(); /* remove append since this is PRE_LABEL */
return false;
}