* Sebastian Hammer, Adam Dickmeiss
*
* $Log: seshigh.c,v $
- * Revision 1.40 1995-07-31 14:34:26 quinn
+ * Revision 1.45 1995-08-21 09:11:00 quinn
+ * Smallish fixes to suppport new formats.
+ *
+ * Revision 1.44 1995/08/17 12:45:25 quinn
+ * Fixed minor problems with GRS-1. Added support in c&s.
+ *
+ * Revision 1.43 1995/08/15 12:00:31 quinn
+ * Updated External
+ *
+ * Revision 1.42 1995/08/15 11:16:50 quinn
+ * CV:e ----------------------------------------------------------------------
+ * CV:e ----------------------------------------------------------------------
+ *
+ * Revision 1.41 1995/08/02 10:23:06 quinn
+ * Smallish
+ *
+ * Revision 1.40 1995/07/31 14:34:26 quinn
* Fixed bug in process_searchResponse (numberOfRecordsReturned).
*
* Revision 1.39 1995/06/27 13:21:00 quinn
bend_fetchresult *fres;
Z_NamePlusRecord *thisrec;
Z_DatabaseRecord *thisext;
-
+ int this_length;
+
+ /*
+ * we get the number of bytes allocated on the stream before any
+ * allocation done by the backend - this should give us a reasonable
+ * idea of the total size of the data so far.
+ */
+ total_length = odr_total(a->encode);
if (reclist.num_records == MAX_RECORDS - 1)
{
*pres = Z_PRES_PARTIAL_2;
freq.setname = setname;
freq.number = recno;
freq.format = format;
+ freq.stream = a->encode;
if (!(fres = bend_fetch(a->backend, &freq, 0)))
{
*pres = Z_PRES_FAILURE;
*pres = Z_PRES_FAILURE;
return diagrec(a->proto, fres->errcode, fres->errstring);
}
+ if (fres->len >= 0)
+ this_length = fres->len;
+ else
+ this_length = odr_total(a->encode) - total_length;
logf(LOG_DEBUG, " fetched record, len=%d, total=%d",
- fres->len, total_length);
- if (fres->len + total_length > a->preferredMessageSize)
+ this_length, total_length);
+ if (this_length + total_length > a->preferredMessageSize)
{
/* record is small enough, really */
- if (fres->len <= a->preferredMessageSize)
+ if (this_length <= a->preferredMessageSize)
{
logf(LOG_DEBUG, " Dropped last normal-sized record");
*pres = Z_PRES_PARTIAL_2;
break;
}
/* record can only be fetched by itself */
- if (fres->len < a->maximumRecordSize)
+ if (this_length < a->maximumRecordSize)
{
logf(LOG_DEBUG, " Record > prefmsgsz");
if (toget > 1)
reclist.records[reclist.num_records] =
surrogatediagrec(a->proto, fres->basename, 16, 0);
reclist.num_records++;
- total_length += 10; /* totally arbitrary */
continue;
}
}
reclist.records[reclist.num_records] =
surrogatediagrec(a->proto, fres->basename, 17, 0);
reclist.num_records++;
- total_length += 10; /* totally arbitrary */
continue;
}
}
oid_getoidbyent(&recform));
thisext->indirect_reference = 0;
thisext->descriptor = 0;
- if (fres->format == VAL_SUTRS) /* SUTRS ios a single-ASN.1-type */
+ if (fres->len < 0) /* Structured data */
{
- Odr_oct sutrs_asn;
- Odr_oct *sp = &sutrs_asn;
- Odr_any *single = odr_malloc(a->encode, sizeof(*single));
- char *buf, *remember;
- int len, s_remember;
-
- sutrs_asn.buf = (unsigned char*) fres->record;
- sutrs_asn.len = sutrs_asn.size = fres->len;
- /*
- * we borrow the encoding stream for preparing the buffer. This
- * is not the most elegant solution - a better way might have been
- * to reserve a different stream, or to devise a better system
- * for handling externals in general.
- */
- remember = odr_getbuf(a->encode, &len, &s_remember);
- buf = odr_malloc(a->encode, fres->len + 10); /* buf for encoding */
- odr_setbuf(a->encode, buf, fres->len + 10, 0); /* can_grow==0 */
- if (!z_SUTRS(a->encode, &sp, 0))
+ switch (fres->format)
{
- logf(LOG_LOG, "ODR error encoding SUTRS: %s",
- odr_errlist[odr_geterror(a->encode)]);
- return 0;
+ case VAL_SUTRS: thisext->which = Z_External_sutrs; break;
+ case VAL_GRS1: thisext->which = Z_External_grs1; break;
+ case VAL_EXPLAIN: thisext->which = Z_External_explainRecord;
+ break;
+
+ default:
+ logf(LOG_FATAL, "Unknown structured format from backend.");
+ return 0;
}
- thisext->which = ODR_EXTERNAL_single;
- thisext->u.single_ASN1_type = single;
- single->buf = (unsigned char*)odr_getbuf(a->encode, &single->len,
- &single->size);
- /* Now restore the encoding stream */
- odr_setbuf(a->encode, remember, s_remember, 1);
- logf(LOG_DEBUG, " Format is SUTRS. len %d, encoded len %d",
- fres->len, single->len);
+
+ /*
+ * We cheat on the pointers here. Obviously, the record field
+ * of the backend-fetch structure should have been a union for
+ * correctness, but we're stuck with this for backwards
+ * compatibility.
+ */
+ thisext->u.grs1 = (Z_GenericRecord*) fres->record;
+ }
+ else if (fres->format == VAL_SUTRS) /* SUTRS is a single-ASN.1-type */
+ {
+ Odr_oct *sutrs = odr_malloc(a->encode, sizeof(*sutrs));
+
+ thisext->which = Z_External_sutrs;
+ thisext->u.sutrs = sutrs;
+ sutrs->buf = odr_malloc(a->encode, fres->len);
+ sutrs->len = sutrs->size = fres->len;
+ memcpy(sutrs->buf, fres->record, fres->len);
}
- else /* octet-aligned record. Easy as pie */
+ else /* octet-aligned record. */
{
- thisext->which = ODR_EXTERNAL_octet;
+ thisext->which = Z_External_octet;
if (!(thisext->u.octet_aligned = odr_malloc(a->encode,
sizeof(Odr_oct))))
return 0;
}
reclist.records[reclist.num_records] = thisrec;
reclist.num_records++;
- total_length += fres->len;
*next = fres->last_in_set ? 0 : recno + 1;
}
*num = reclist.num_records;
}
else
{
+ if (*resp.resultCount)
+ next = 1;
resp.numberOfRecordsReturned = &nulint;
resp.nextResultSetPosition = &next;
resp.searchStatus = &sr;