t_stat fprint_sym (FILE *of, t_addr addr, t_value *val, UNIT *uptr, int32 sw)
{
int32 cflag, ch, OP, F, TAG, INDIR, DSPLC, IR, eaddr;
char *mnem, tst[12];
cflag = (uptr == NULL) || (uptr == &cpu_unit);
/* if (sw & SWMASK ('A')) { // ASCII? not useful
fprintf (of, (c1 < 040)? "<%03o>": "%c", c1);
return SCPE_OK;
}
*/
if (sw & SWMASK ('C')) /* character? not useful -- make it EBCDIC */
sw |= SWMASK('E');
if (sw & SWMASK ('E')) { /* EBCDIC! */
ch = ebcdic_to_ascii((val[0] >> 8) & 0xFF); /* take high byte first */
fprintf (of, (ch < ' ')? "<%03o>": "%c", ch);
ch = ebcdic_to_ascii(val[0] & 0xFF);
fprintf (of, (ch < ' ')? "<%03o>": "%c", ch);
return SCPE_OK;
}
/*
* We read an ANSI label and compare the Volume name. We require
* a VOL1 record of 80 characters followed by a HDR1 record containing
* BACULA.DATA in the filename field. We then read up to 3 more
* header records (they are not required) and an EOF, at which
* point, all is good.
*
* Returns:
* VOL_OK Volume name OK
* VOL_NO_LABEL No ANSI label on Volume
* VOL_IO_ERROR I/O error on read
* VOL_NAME_ERROR Wrong name in VOL1 record
* VOL_LABEL_ERROR Probably an ANSI label, but something wrong
*
*/
int read_ansi_ibm_label(DCR *dcr)
{
DEVICE * volatile dev = dcr->dev;
JCR *jcr = dcr->jcr;
char label[80]; /* tape label */
int stat, i;
char *VolName = dcr->VolumeName;
bool ok = false;
/*
* Read VOL1, HDR1, HDR2 labels, but ignore the data
* If tape read the following EOF mark, on disk do
* not read.
*/
Dmsg0(100, "Read ansi label.\n");
if (!dev->is_tape()) {
return VOL_OK;
}
dev->label_type = B_BACULA_LABEL; /* assume Bacula label */
/* Read a maximum of 5 records VOL1, HDR1, ... HDR4 */
for (i=0; i < 6; i++) {
do {
stat = dev->read(label, sizeof(label));
} while (stat == -1 && errno == EINTR);
if (stat < 0) {
berrno be;
dev->clrerror(-1);
Dmsg1(100, "Read device got: ERR=%s\n", be.bstrerror());
Mmsg2(jcr->errmsg, _("Read error on device %s in ANSI label. ERR=%s\n"),
dev->dev_name, be.bstrerror());
Jmsg(jcr, M_ERROR, 0, "%s", dev->errmsg);
dev->VolCatInfo.VolCatErrors++;
return VOL_IO_ERROR;
}
if (stat == 0) {
if (dev->at_eof()) {
dev->set_eot(); /* second eof, set eot bit */
Dmsg0(100, "EOM on ANSI label\n");
Mmsg0(jcr->errmsg, _("Insane! End of tape while reading ANSI label.\n"));
return VOL_LABEL_ERROR; /* at EOM this shouldn't happen */
} else {
dev->set_ateof(); /* set eof state */
}
}
switch (i) {
case 0: /* Want VOL1 label */
if (stat == 80) {
if (strncmp("VOL1", label, 4) == 0) {
ok = true;
dev->label_type = B_ANSI_LABEL;
Dmsg0(100, "Got ANSI VOL1 label\n");
} else {
/* Try EBCDIC */
ebcdic_to_ascii(label, label, sizeof(label));
if (strncmp("VOL1", label, 4) == 0) {
ok = true;;
dev->label_type = B_IBM_LABEL;
Dmsg0(100, "Found IBM label.\n");
Dmsg0(100, "Got IBM VOL1 label\n");
}
}
}
if (!ok) {
Dmsg0(100, "No VOL1 label\n");
Mmsg0(jcr->errmsg, _("No VOL1 label while reading ANSI/IBM label.\n"));
return VOL_NO_LABEL; /* No ANSI label */
}
/* Compare Volume Names allow special wild card */
if (VolName && *VolName && *VolName != '*') {
if (!same_label_names(VolName, &label[4])) {
char *p = &label[4];
char *q;
free_volume(dev);
/* Store new Volume name */
q = dev->VolHdr.VolumeName;
for (int i=0; *p != ' ' && i < 6; i++) {
*q++ = *p++;
}
*q = 0;
Dmsg0(100, "Call reserve_volume\n");
/* ***FIXME*** why is this reserve_volume() needed???? KES */
reserve_volume(dcr, dev->VolHdr.VolumeName);
dev = dcr->dev; /* may have changed in reserve_volume */
Dmsg2(100, "Wanted ANSI Vol %s got %6s\n", VolName, dev->VolHdr.VolumeName);
Mmsg2(jcr->errmsg, _("Wanted ANSI Volume \"%s\" got \"%s\"\n"), VolName, dev->VolHdr.VolumeName);
return VOL_NAME_ERROR;
}
}
break;
case 1:
if (dev->label_type == B_IBM_LABEL) {
ebcdic_to_ascii(label, label, sizeof(label));
}
if (stat != 80 || strncmp("HDR1", label, 4) != 0) {
Dmsg0(100, "No HDR1 label\n");
Mmsg0(jcr->errmsg, _("No HDR1 label while reading ANSI label.\n"));
return VOL_LABEL_ERROR;
}
if (strncmp("BACULA.DATA", &label[4], 11) != 0) {
Dmsg1(100, "HD1 not Bacula label. Wanted BACULA.DATA got %11s\n",
&label[4]);
Mmsg1(jcr->errmsg, _("ANSI/IBM Volume \"%s\" does not belong to Bacula.\n"),
dev->VolHdr.VolumeName);
return VOL_NAME_ERROR; /* Not a Bacula label */
}
Dmsg0(100, "Got HDR1 label\n");
break;
case 2:
if (dev->label_type == B_IBM_LABEL) {
ebcdic_to_ascii(label, label, sizeof(label));
}
if (stat != 80 || strncmp("HDR2", label, 4) != 0) {
Dmsg0(100, "No HDR2 label\n");
Mmsg0(jcr->errmsg, _("No HDR2 label while reading ANSI/IBM label.\n"));
return VOL_LABEL_ERROR;
}
Dmsg0(100, "Got ANSI HDR2 label\n");
break;
default:
if (stat == 0) {
Dmsg0(100, "ANSI label OK\n");
return VOL_OK;
}
if (dev->label_type == B_IBM_LABEL) {
ebcdic_to_ascii(label, label, sizeof(label));
}
if (stat != 80 || strncmp("HDR", label, 3) != 0) {
Dmsg0(100, "Unknown or bad ANSI/IBM label record.\n");
Mmsg0(jcr->errmsg, _("Unknown or bad ANSI/IBM label record.\n"));
return VOL_LABEL_ERROR;
}
Dmsg0(100, "Got HDR label\n");
break;
}
}
Dmsg0(100, "Too many records in ANSI/IBM label.\n");
Mmsg0(jcr->errmsg, _("Too many records in while reading ANSI/IBM label.\n"));
return VOL_LABEL_ERROR;
}
