/*
- * Copyright (C) 1994, Index Data I/S
- * All rights reserved.
+ * Copyright (c) 1995, Index Data
+ * See the file LICENSE for details.
* Sebastian Hammer, Adam Dickmeiss
*
* $Log: seshigh.c,v $
- * Revision 1.22 1995-05-15 11:56:39 quinn
+ * Revision 1.59 1996-05-14 09:26:46 quinn
+ * Added attribute set to scan backend
+ *
+ * Revision 1.58 1996/02/20 12:53:04 quinn
+ * Chanes to SCAN
+ *
+ * Revision 1.57 1996/01/02 08:57:47 quinn
+ * Changed enums in the ASN.1 .h files to #defines. Changed oident.class to oclass
+ *
+ * Revision 1.56 1995/12/14 11:09:57 quinn
+ * Work on Explain
+ *
+ * Revision 1.55 1995/11/08 17:41:37 quinn
+ * Smallish.
+ *
+ * Revision 1.54 1995/11/08 15:11:29 quinn
+ * Log of close transmit.
+ *
+ * Revision 1.53 1995/11/01 13:54:58 quinn
+ * Minor adjustments
+ *
+ * Revision 1.52 1995/11/01 12:19:13 quinn
+ * Second attempt to fix same bug.
+ *
+ * Revision 1.50 1995/10/25 16:58:32 quinn
+ * Simple.
+ *
+ * Revision 1.49 1995/10/16 13:51:53 quinn
+ * Changes to provide Especs to the backend.
+ *
+ * Revision 1.48 1995/10/06 08:51:20 quinn
+ * Added Write-buffer.
+ *
+ * Revision 1.47 1995/08/29 14:24:16 quinn
+ * Added second half of close-handshake
+ *
+ * Revision 1.46 1995/08/29 11:17:58 quinn
+ * Added code to receive close
+ *
+ * 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
+ *
+ * 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
+ * SUTRS support
+ *
+ * Revision 1.38 1995/06/19 12:39:11 quinn
+ * Fixed bug in timeout code. Added BER dumper.
+ *
+ * Revision 1.37 1995/06/16 13:16:14 quinn
+ * Fixed Defaultdiagformat.
+ *
+ * Revision 1.36 1995/06/16 10:31:36 quinn
+ * Added session timeout.
+ *
+ * Revision 1.35 1995/06/15 07:45:14 quinn
+ * Moving to v3.
+ *
+ * Revision 1.34 1995/06/14 15:26:46 quinn
+ * *** empty log message ***
+ *
+ * Revision 1.33 1995/06/06 14:57:05 quinn
+ * Better diagnostics.
+ *
+ * Revision 1.32 1995/06/06 08:41:44 quinn
+ * Better diagnostics.
+ *
+ * Revision 1.31 1995/06/06 08:15:37 quinn
+ * Cosmetic.
+ *
+ * Revision 1.30 1995/06/05 10:53:32 quinn
+ * Added a better SCAN.
+ *
+ * Revision 1.29 1995/06/01 11:25:03 quinn
+ * Smallish.
+ *
+ * Revision 1.28 1995/06/01 11:21:01 quinn
+ * Attempting to fix a bug in pack-records. replaced break with continue
+ * for large records, according to standard.
+ *
+ * Revision 1.27 1995/05/29 08:12:06 quinn
+ * Moved oid to util
+ *
+ * Revision 1.26 1995/05/18 13:02:12 quinn
+ * Smallish.
+ *
+ * Revision 1.25 1995/05/17 08:42:26 quinn
+ * Transfer auth info to backend. Allow backend to reject init gracefully.
+ *
+ * Revision 1.24 1995/05/16 08:51:04 quinn
+ * License, documentation, and memory fixes
+ *
+ * Revision 1.23 1995/05/15 13:25:10 quinn
+ * Fixed memory bug.
+ *
+ * Revision 1.22 1995/05/15 11:56:39 quinn
* Asynchronous facilities. Restructuring of seshigh code.
*
* Revision 1.21 1995/05/02 08:53:19 quinn
#include <stdio.h>
#include <unistd.h>
#include <assert.h>
+#include <sys/time.h>
-#include <dmalloc.h>
+#include <xmalloc.h>
#include <comstack.h>
#include <eventl.h>
#include <session.h>
static Z_APDU *process_presentRequest(association *assoc, request *reqb,
int *fd);
static Z_APDU *process_scanRequest(association *assoc, request *reqb, int *fd);
+static void process_close(association *assoc, request *reqb);
static FILE *apduf = 0; /* for use in static mode */
static statserv_options_block *control_block = 0;
if (!control_block)
control_block = statserv_getcontrol();
- if (!(new = malloc(sizeof(*new))))
+ if (!(new = xmalloc(sizeof(*new))))
return 0;
new->client_chan = channel;
new->client_link = link;
char filename[256];
FILE *f;
+ strcpy(filename, control_block->apdufile);
if (!(new->print = odr_createmem(ODR_PRINT)))
return 0;
if (*control_block->apdufile != '-')
new->input_buffer = 0;
new->input_buffer_len = 0;
new->backend = 0;
+ new->state = ASSOC_NEW;
request_initq(&new->incoming);
request_initq(&new->outgoing);
- if (cs_getproto(link) == CS_Z3950)
- new->proto = PROTO_Z3950;
- else
- new->proto = PROTO_SR;
+ new->proto = cs_getproto(link);
return new;
}
if (h->print)
odr_destroy(h->print);
if (h->input_buffer)
- free(h->input_buffer);
+ xfree(h->input_buffer);
if (h->backend)
bend_close(h->backend);
while (request_deq(&h->incoming));
while (request_deq(&h->outgoing));
- free(h);
+ xfree(h);
+}
+
+static void do_close(association *a, int reason, char *message)
+{
+ Z_APDU apdu;
+ Z_Close *cls = zget_Close(a->encode);
+ request *req = request_get();
+
+ /* Purge request queue */
+ while (request_deq(&a->incoming));
+ while (request_deq(&a->outgoing));
+ if (a->version >= 3)
+ {
+ logf(LOG_LOG, "Sending Close PDU, reason=%d, message=%s",
+ reason, message ? message : "none");
+ apdu.which = Z_APDU_close;
+ apdu.u.close = cls;
+ *cls->closeReason = reason;
+ cls->diagnosticInformation = message;
+ process_response(a, req, &apdu);
+ iochan_settimeout(a->client_chan, 60);
+ }
+ else
+ {
+ logf(LOG_DEBUG, "v2 client. No Close PDU");
+ iochan_setevent(a->client_chan, EVENT_TIMEOUT); /* force imm close */
+ }
+ a->state = ASSOC_DEAD;
}
/*
request *req;
assert(h && conn && assoc);
+ if (event == EVENT_TIMEOUT)
+ {
+ if (assoc->state != ASSOC_UP)
+ {
+ logf(LOG_LOG, "Final timeout - closing connection.");
+ cs_close(conn);
+ destroy_association(assoc);
+ iochan_destroy(h);
+ }
+ else
+ {
+ logf(LOG_LOG, "Session idle too long. Sending close.");
+ do_close(assoc, Z_Close_lackOfActivity, 0);
+ }
+ return;
+ }
if (event & EVENT_INPUT || event & EVENT_WORK) /* input */
{
if (event & EVENT_INPUT)
{
logf(LOG_DEBUG, "ir_session (input)");
assert(assoc && conn);
+ /* We aren't speaking to this fellow */
+ if (assoc->state == ASSOC_DEAD)
+ {
+ logf(LOG_LOG, "Closed connection after reject");
+ cs_close(conn);
+ destroy_association(assoc);
+ iochan_destroy(h);
+ return;
+ }
if ((res = cs_get(conn, &assoc->input_buffer,
&assoc->input_buffer_len)) <= 0)
{
iochan_setevent(h, EVENT_INPUT);
/* we got a complete PDU. Let's decode it */
+ logf(LOG_DEBUG, "Got PDU, %d bytes", res);
req = request_get(); /* get a new request structure */
odr_reset(assoc->decode);
- odr_setbuf(assoc->decode, assoc->input_buffer,
- assoc->input_apdu_len, 0);
+ odr_setbuf(assoc->decode, assoc->input_buffer, res, 0);
if (!z_APDU(assoc->decode, &req->request, 0))
{
- logf(LOG_WARN, "ODR error: %s",
- odr_errlist[odr_geterror(assoc->decode)]);
- cs_close(conn);
- destroy_association(assoc);
- iochan_destroy(h);
+ logf(LOG_LOG, "ODR error on incoming PDU: %s [near byte %d] ",
+ odr_errlist[odr_geterror(assoc->decode)],
+ odr_offset(assoc->decode));
+ logf(LOG_LOG, "PDU dump:");
+ odr_dumpBER(log_file(), assoc->input_buffer, res);
+ do_close(assoc, Z_Close_protocolError, "Malformed package");
return;
}
req->request_mem = odr_extract_mem(assoc->decode);
req = request_head(&assoc->incoming);
if (req->state == REQUEST_IDLE)
if (process_request(assoc) < 0)
- {
- cs_close(conn);
- destroy_association(assoc);
- iochan_destroy(h);
- }
+ do_close(assoc, Z_Close_systemProblem, "Unknown error");
}
if (event & EVENT_OUTPUT)
{
iochan_destroy(h);
break;
case 0: /* all sent - release the request structure */
- odr_release_mem(req->request_mem);
+ logf(LOG_DEBUG, "Wrote PDU, %d bytes", req->len_response);
+ nmem_destroy(req->request_mem);
request_deq(&assoc->outgoing);
request_release(req);
if (!request_head(&assoc->outgoing))
res = process_presentRequest(assoc, req, &fd); break;
case Z_APDU_scanRequest:
res = process_scanRequest(assoc, req, &fd); break;
+ case Z_APDU_close:
+ process_close(assoc, req); return 0;
default:
- logf(LOG_WARN, "Bad APDU");
+ logf(LOG_WARN, "Bad APDU received");
return -1;
}
if (res)
if ((res && process_response(assoc, req, res) < 0) || fd < 0)
{
logf(LOG_LOG, "Fatal error when talking to backend");
- cs_close(assoc->client_link);
- destroy_association(assoc);
- iochan_destroy(assoc->client_chan);
+ do_close(assoc, Z_Close_systemProblem, 0);
iochan_destroy(i);
return;
}
{
logf(LOG_WARN, "ODR error when encoding response: %s",
odr_errlist[odr_geterror(assoc->decode)]);
+ odr_reset(assoc->encode);
return -1;
}
req->response = odr_getbuf(assoc->encode, &req->len_response,
&req->size_response);
+ odr_setbuf(assoc->encode, 0, 0, 0); /* don'txfree if we abort later */
odr_reset(assoc->encode);
+ if (assoc->print && !z_APDU(assoc->print, &res, 0))
+ {
+ logf(LOG_WARN, "ODR print error: %s",
+ odr_errlist[odr_geterror(assoc->print)]);
+ odr_reset(assoc->print);
+ }
/* change this when we make the backend reentrant */
- assert(req == request_head(&assoc->incoming));
- req->state = REQUEST_IDLE;
- request_deq(&assoc->incoming);
+ if (req == request_head(&assoc->incoming))
+ {
+ req->state = REQUEST_IDLE;
+ request_deq(&assoc->incoming);
+ }
request_enq(&assoc->outgoing, req);
/* turn the work over to the ir_session handler */
iochan_setflag(assoc->client_chan, EVENT_OUTPUT);
- /* Is there more work to be done? */
+ /* Is there more work to be done? give that to the input handler too */
if (request_head(&assoc->incoming))
iochan_setevent(assoc->client_chan, EVENT_WORK);
return 0;
}
+/*
+ * Handle init request.
+ * At the moment, we don't check the options
+ * anywhere else in the code - we just try not to do anything that would
+ * break a naive client. We'll toss 'em into the association block when
+ * we need them there.
+ */
static Z_APDU *process_initRequest(association *assoc, request *reqb)
{
Z_InitRequest *req = reqb->request->u.initRequest;
- static Z_APDU apdu;
- static Z_InitResponse resp;
- static bool_t result = 1;
- static Odr_bitmask options, protocolVersion;
+ Z_APDU *apdu = zget_APDU(assoc->encode, Z_APDU_initResponse);
+ Z_InitResponse *resp = apdu->u.initResponse;
bend_initrequest binitreq;
bend_initresult *binitres;
+ char options[100];
logf(LOG_LOG, "Got initRequest");
if (req->implementationId)
logf(LOG_LOG, "Version: %s", req->implementationVersion);
binitreq.configname = "default-config";
- if (!(binitres = bend_init(&binitreq)) || binitres->errcode)
+ binitreq.auth = req->idAuthentication;
+ if (!(binitres = bend_init(&binitreq)))
{
- logf(LOG_WARN, "Negative response from backend");
+ logf(LOG_WARN, "Bad response from backend.");
return 0;
}
assoc->backend = binitres->handle;
- apdu.which = Z_APDU_initResponse;
- apdu.u.initResponse = &resp;
- resp.referenceId = req->referenceId;
+ resp->referenceId = req->referenceId;
+ *options = '\0';
/* let's tell the client what we can do */
- ODR_MASK_ZERO(&options);
if (ODR_MASK_GET(req->options, Z_Options_search))
- ODR_MASK_SET(&options, Z_Options_search);
+ {
+ ODR_MASK_SET(resp->options, Z_Options_search);
+ strcat(options, "srch");
+ }
if (ODR_MASK_GET(req->options, Z_Options_present))
- ODR_MASK_SET(&options, Z_Options_present);
+ {
+ ODR_MASK_SET(resp->options, Z_Options_present);
+ strcat(options, " prst");
+ }
#if 0
if (ODR_MASK_GET(req->options, Z_Options_delSet))
+ {
ODR_MASK_SET(&options, Z_Options_delSet);
+ strcat(options, " del");
+ }
#endif
if (ODR_MASK_GET(req->options, Z_Options_namedResultSets))
- ODR_MASK_SET(&options, Z_Options_namedResultSets);
+ {
+ ODR_MASK_SET(resp->options, Z_Options_namedResultSets);
+ strcat(options, " namedresults");
+ }
if (ODR_MASK_GET(req->options, Z_Options_scan))
- ODR_MASK_SET(&options, Z_Options_scan);
+ {
+ ODR_MASK_SET(resp->options, Z_Options_scan);
+ strcat(options, " scan");
+ }
if (ODR_MASK_GET(req->options, Z_Options_concurrentOperations))
- ODR_MASK_SET(&options, Z_Options_concurrentOperations);
- resp.options = &options;
+ {
+ ODR_MASK_SET(resp->options, Z_Options_concurrentOperations);
+ strcat(options, " concurop");
+ }
- ODR_MASK_ZERO(&protocolVersion);
if (ODR_MASK_GET(req->protocolVersion, Z_ProtocolVersion_1))
- ODR_MASK_SET(&protocolVersion, Z_ProtocolVersion_1);
+ {
+ ODR_MASK_SET(resp->protocolVersion, Z_ProtocolVersion_1);
+ assoc->version = 2; /* 1 & 2 are equivalent */
+ }
if (ODR_MASK_GET(req->protocolVersion, Z_ProtocolVersion_2))
- ODR_MASK_SET(&protocolVersion, Z_ProtocolVersion_2);
- resp.protocolVersion = &protocolVersion;
+ {
+ ODR_MASK_SET(resp->protocolVersion, Z_ProtocolVersion_2);
+ assoc->version = 2;
+ }
+ if (ODR_MASK_GET(req->protocolVersion, Z_ProtocolVersion_3))
+ {
+ ODR_MASK_SET(resp->protocolVersion, Z_ProtocolVersion_3);
+ assoc->version = 3;
+ }
+ logf(LOG_LOG, "Negotiated to v%d: %s", assoc->version, options);
assoc->maximumRecordSize = *req->maximumRecordSize;
if (assoc->maximumRecordSize > control_block->maxrecordsize)
assoc->maximumRecordSize = control_block->maxrecordsize;
assoc->preferredMessageSize = *req->preferredMessageSize;
if (assoc->preferredMessageSize > assoc->maximumRecordSize)
assoc->preferredMessageSize = assoc->maximumRecordSize;
- resp.preferredMessageSize = &assoc->preferredMessageSize;
- resp.maximumRecordSize = &assoc->maximumRecordSize;
- resp.result = &result;
- resp.implementationId = "YAZ";
- resp.implementationName = "Index Data/YAZ Generic Frontend Server";
- resp.implementationVersion = "$Revision: 1.22 $";
- resp.userInformationField = 0;
- return &apdu;
+ resp->preferredMessageSize = &assoc->preferredMessageSize;
+ resp->maximumRecordSize = &assoc->maximumRecordSize;
+ resp->implementationName = "Index Data/YAZ Generic Frontend Server";
+ if (binitres->errcode)
+ {
+ logf(LOG_LOG, "Connection rejected by backend.");
+ *resp->result = 0;
+ assoc->state = ASSOC_DEAD;
+ }
+ else
+ assoc->state = ASSOC_UP;
+ return apdu;
}
+/*
+ * These functions should be merged.
+ */
+
+/*
+ * nonsurrogate diagnostic record.
+ */
static Z_Records *diagrec(oid_proto proto, int error, char *addinfo)
{
static Z_Records rec;
oident bib1;
- static Z_DiagRec dr;
static int err;
+#ifdef Z_95
+ static Z_DiagRec drec;
+ static Z_DefaultDiagFormat dr;
+#else
+ static Z_DiagRec dr;
+#endif
bib1.proto = proto;
- bib1.class = CLASS_DIAGSET;
+ bib1.oclass = CLASS_DIAGSET;
bib1.value = VAL_BIB1;
logf(LOG_DEBUG, "Diagnostic: %d -- %s", error, addinfo ? addinfo :
"NULL");
err = error;
rec.which = Z_Records_NSD;
+#ifdef Z_95
+ rec.u.nonSurrogateDiagnostic = &drec;
+ drec.which = Z_DiagRec_defaultFormat;
+ drec.u.defaultFormat = &dr;
+#else
rec.u.nonSurrogateDiagnostic = &dr;
+#endif
dr.diagnosticSetId = oid_getoidbyent(&bib1);
dr.condition = &err;
+ dr.which = Z_DiagForm_v2AddInfo;
dr.addinfo = addinfo ? addinfo : "";
return &rec;
}
+/*
+ * surrogate diagnostic.
+ */
static Z_NamePlusRecord *surrogatediagrec(oid_proto proto, char *dbname,
int error, char *addinfo)
{
static Z_NamePlusRecord rec;
- static Z_DiagRec dr;
static int err;
oident bib1;
+#ifdef Z_95
+ static Z_DiagRec drec;
+ static Z_DefaultDiagFormat dr;
+#else
+ static Z_DiagRec dr;
+#endif
bib1.proto = proto;
- bib1.class = CLASS_DIAGSET;
+ bib1.oclass = CLASS_DIAGSET;
bib1.value = VAL_BIB1;
logf(LOG_DEBUG, "SurrogateDiagnotic: %d -- %s", error, addinfo);
err = error;
rec.databaseName = dbname;
rec.which = Z_NamePlusRecord_surrogateDiagnostic;
+#ifdef Z_95
+ rec.u.surrogateDiagnostic = &drec;
+ drec.which = Z_DiagRec_defaultFormat;
+ drec.u.defaultFormat = &dr;
+#else
rec.u.surrogateDiagnostic = &dr;
+#endif
dr.diagnosticSetId = oid_getoidbyent(&bib1);
dr.condition = &err;
+ dr.which = Z_DiagForm_v2AddInfo;
dr.addinfo = addinfo ? addinfo : "";
return &rec;
}
+/*
+ * multiple nonsurrogate diagnostics.
+ */
static Z_DiagRecs *diagrecs(oid_proto proto, int error, char *addinfo)
{
static Z_DiagRecs recs;
- static Z_DiagRec *recp[1], rec;
static int err;
oident bib1;
+#ifdef Z_95
+ static Z_DiagRec *recp[1], drec;
+ static Z_DefaultDiagFormat rec;
+#else
+ static Z_DiagRec *recp[1], rec;
+#endif
logf(LOG_DEBUG, "DiagRecs: %d -- %s", error, addinfo);
bib1.proto = proto;
- bib1.class = CLASS_DIAGSET;
+ bib1.oclass = CLASS_DIAGSET;
bib1.value = VAL_BIB1;
err = error;
recs.num_diagRecs = 1;
recs.diagRecs = recp;
+#ifdef Z_95
+ recp[0] = &drec;
+ drec.which = Z_DiagRec_defaultFormat;
+ drec.u.defaultFormat = &rec;
+#else
recp[0] = &rec;
+#endif
rec.diagnosticSetId = oid_getoidbyent(&bib1);
rec.condition = &err;
+ rec.which = Z_DiagForm_v2AddInfo;
rec.addinfo = addinfo ? addinfo : "";
return &recs;
}
#define MAX_RECORDS 256
static Z_Records *pack_records(association *a, char *setname, int start,
- int *num, Z_ElementSetNames *esn,
- int *next, int *pres)
+ int *num, Z_RecordComposition *comp,
+ int *next, int *pres, oid_value format)
{
int recno, total_length = 0, toget = *num;
static Z_Records records;
static Z_NamePlusRecordList reclist;
static Z_NamePlusRecord *list[MAX_RECORDS];
oident recform;
- Odr_oid *oid;
records.which = Z_Records_DBOSD;
records.u.databaseOrSurDiagnostics = &reclist;
*num = 0;
*next = 0;
- recform.proto = a->proto;
- recform.class = CLASS_RECSYN;
- recform.value = VAL_USMARC;
- if (!(oid = odr_oiddup(a->encode, oid_getoidbyent(&recform))))
- return 0;
-
logf(LOG_DEBUG, "Request to pack %d+%d", start, toget);
logf(LOG_DEBUG, "pms=%d, mrs=%d", a->preferredMessageSize,
a->maximumRecordSize);
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.comp = comp;
+ 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++;
- *pres = Z_PRES_PARTIAL_2;
- break;
+ continue;
}
}
else /* too big entirely */
reclist.records[reclist.num_records] =
surrogatediagrec(a->proto, fres->basename, 17, 0);
reclist.num_records++;
- *pres = Z_PRES_PARTIAL_2;
- break;
+ continue;
}
}
if (!(thisrec = odr_malloc(a->encode, sizeof(*thisrec))))
if (!(thisrec->u.databaseRecord = thisext = odr_malloc(a->encode,
sizeof(Z_DatabaseRecord))))
return 0;
- thisext->direct_reference = oid; /* should be OID for current MARC */
+ recform.proto = a->proto;
+ recform.oclass = CLASS_RECSYN;
+ recform.value = fres->format;
+ thisext->direct_reference = odr_oiddup(a->encode,
+ oid_getoidbyent(&recform));
thisext->indirect_reference = 0;
thisext->descriptor = 0;
- thisext->which = ODR_EXTERNAL_octet;
- if (!(thisext->u.octet_aligned = odr_malloc(a->encode,
- sizeof(Odr_oct))))
- return 0;
- if (!(thisext->u.octet_aligned->buf = odr_malloc(a->encode, fres->len)))
- return 0;
- memcpy(thisext->u.octet_aligned->buf, fres->record, fres->len);
- thisext->u.octet_aligned->len = thisext->u.octet_aligned->size =
- fres->len;
+ if (fres->len < 0) /* Structured data */
+ {
+ switch (fres->format)
+ {
+ 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;
+ }
+
+ /*
+ * 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. */
+ {
+ thisext->which = Z_External_octet;
+ if (!(thisext->u.octet_aligned = odr_malloc(a->encode,
+ sizeof(Odr_oct))))
+ return 0;
+ if (!(thisext->u.octet_aligned->buf = odr_malloc(a->encode,
+ fres->len)))
+ return 0;
+ memcpy(thisext->u.octet_aligned->buf, fres->record, fres->len);
+ thisext->u.octet_aligned->len = thisext->u.octet_aligned->size =
+ fres->len;
+ }
reclist.records[reclist.num_records] = thisrec;
reclist.num_records++;
- total_length += fres->len;
- (*num)++;
*next = fres->last_in_set ? 0 : recno + 1;
}
+ *num = reclist.num_records;
return &records;
}
apdu.which = Z_APDU_searchResponse;
apdu.u.searchResponse = &resp;
resp.referenceId = req->referenceId;
+#ifdef Z_95
+ resp.additionalSearchInfo = 0;
+ resp.otherInfo = 0;
+#endif
*fd = -1;
if (!bsrt && !(bsrt = bend_searchresponse(assoc->backend)))
{
}
else
{
- int toget;
- Z_ElementSetNames *setnames;
- int presst = 0;
+ static int toget;
+ Z_RecordComposition comp, *compp = 0;
+ static int presst = 0;
resp.records = 0;
resp.resultCount = &bsrt->hits;
+ comp.which = Z_RecordComp_simple;
/* how many records does the user agent want, then? */
if (bsrt->hits <= *req->smallSetUpperBound)
{
toget = bsrt->hits;
- setnames = req->smallSetElementSetNames;
+ if ((comp.u.simple = req->smallSetElementSetNames))
+ compp = ∁
}
else if (bsrt->hits < *req->largeSetLowerBound)
{
toget = *req->mediumSetPresentNumber;
if (toget > bsrt->hits)
toget = bsrt->hits;
- setnames = req->mediumSetElementSetNames;
+ if ((comp.u.simple = req->mediumSetElementSetNames))
+ compp = ∁
}
else
toget = 0;
if (toget && !resp.records)
{
+ oident *prefformat;
+ oid_value form;
+
+ if (!(prefformat = oid_getentbyoid(req->preferredRecordSyntax)) ||
+ prefformat->oclass != CLASS_RECSYN)
+ form = VAL_NONE;
+ else
+ form = prefformat->value;
resp.records = pack_records(assoc, req->resultSetName, 1,
- &toget, setnames, &next, &presst);
+ &toget, compp, &next, &presst, form);
if (!resp.records)
return 0;
resp.numberOfRecordsReturned = &toget;
}
else
{
+ if (*resp.resultCount)
+ next = 1;
resp.numberOfRecordsReturned = &nulint;
resp.nextResultSetPosition = &next;
resp.searchStatus = &sr;
static Z_APDU apdu;
static Z_PresentResponse resp;
static int presst, next, num;
+ oident *prefformat;
+ oid_value form;
+
logf(LOG_LOG, "Got PresentRequest.");
apdu.which = Z_APDU_presentResponse;
apdu.u.presentResponse = &resp;
resp.referenceId = req->referenceId;
+#ifdef Z_95
+ resp.otherInfo = 0;
+#endif
+ if (!(prefformat = oid_getentbyoid(req->preferredRecordSyntax)) ||
+ prefformat->oclass != CLASS_RECSYN)
+ form = VAL_NONE;
+ else
+ form = prefformat->value;
num = *req->numberOfRecordsRequested;
resp.records = pack_records(assoc, req->resultSetId,
- *req->resultSetStartPoint, &num, req->elementSetNames, &next, &presst);
+ *req->resultSetStartPoint, &num, req->recordComposition, &next,
+ &presst, form);
if (!resp.records)
return 0;
resp.numberOfRecordsReturned = #
static Z_Entry *tab[SCAN_MAX_ENTRIES];
bend_scanrequest srq;
bend_scanresult *srs;
+ oident *attset;
+ logf(LOG_LOG, "Got scanrequest");
apdu.which = Z_APDU_scanResponse;
apdu.u.scanResponse = &res;
res.referenceId = req->referenceId;
res.entries = &ents;
ents.which = Z_ListEntries_nonSurrogateDiagnostics;
res.attributeSet = 0;
+#ifdef Z_95
+ res.otherInfo = 0;
+#endif
if (req->attributeSet && (!(attent = oid_getentbyoid(req->attributeSet)) ||
- attent->class != CLASS_ATTSET || attent->value != VAL_BIB1))
+ attent->oclass != CLASS_ATTSET || attent->value != VAL_BIB1))
ents.u.nonSurrogateDiagnostics = diagrecs(assoc->proto, 121, 0);
else if (req->stepSize && *req->stepSize > 0)
ents.u.nonSurrogateDiagnostics = diagrecs(assoc->proto, 205, 0);
else
{
+ if (req->termListAndStartPoint->term->which == Z_Term_general)
+ logf(LOG_DEBUG, " term: '%.*s'",
+ req->termListAndStartPoint->term->u.general->len,
+ req->termListAndStartPoint->term->u.general->buf);
srq.num_bases = req->num_databaseNames;
srq.basenames = req->databaseNames;
srq.num_entries = *req->numberOfTermsRequested;
srq.term = req->termListAndStartPoint;
+ if (!(attset = oid_getentbyoid(req->attributeSet)) ||
+ attset->oclass != CLASS_RECSYN)
+ srq.attributeset = VAL_NONE;
+ else
+ srq.attributeset = attset->value;
srq.term_position = req->preferredPositionInResponse ?
*req->preferredPositionInResponse : 1;
if (!(srs = bend_scan(assoc->backend, &srq, 0)))
e->which = Z_Entry_termInfo;
e->u.termInfo = t = odr_malloc(assoc->encode, sizeof(*t));
t->suggestedAttributes = 0;
+ t->displayTerm = 0;
t->alternativeTerm = 0;
t->byAttributes = 0;
+ t->otherTermInfo = 0;
t->globalOccurrences = &srs->entries[i].occurrences;
t->term = odr_malloc(assoc->encode, sizeof(*t->term));
t->term->which = Z_Term_general;
o->buf = odr_malloc(assoc->encode, o->len = o->size =
strlen(srs->entries[i].term));
memcpy(o->buf, srs->entries[i].term, o->len);
+ logf(LOG_DEBUG, " term #%d: '%s' (%d)", i,
+ srs->entries[i].term, srs->entries[i].occurrences);
}
list.num_entries = i;
res.numberOfEntriesReturned = &list.num_entries;
return &apdu;
}
+
+static void process_close(association *assoc, request *reqb)
+{
+ Z_Close *req = reqb->request->u.close;
+ static char *reasons[] =
+ {
+ "finished",
+ "shutdown",
+ "systemProblem",
+ "costLimit",
+ "resources",
+ "securityViolation",
+ "protocolError",
+ "lackOfActivity",
+ "peerAbort",
+ "unspecified"
+ };
+
+ logf(LOG_LOG, "Got close, reason %s, message %s",
+ reasons[*req->closeReason], req->diagnosticInformation ?
+ req->diagnosticInformation : "NULL");
+ if (assoc->version < 3) /* to make do_force respond with close */
+ assoc->version = 3;
+ do_close(assoc, Z_Close_finished, "Association terminated by client");
+}
projects / yaz-moved-to-github.git / blobdiff