* Sebastian Hammer, Adam Dickmeiss
*
* $Log: seshigh.c,v $
- * Revision 1.31 1995-06-06 08:15:37 quinn
+ * Revision 1.68 1997-09-29 13:18:59 adam
+ * Added function, oid_ent_to_oid, to replace the function
+ * oid_getoidbyent, which is not thread safe.
+ *
+ * Revision 1.67 1997/09/17 12:10:40 adam
+ * YAZ version 1.4.
+ *
+ * Revision 1.66 1997/09/05 15:26:44 adam
+ * Added ODR encode in search and scen bend request structures.
+ * Fixed a few enums that caused trouble with C++.
+ *
+ * Revision 1.65 1997/09/01 08:53:01 adam
+ * New windows NT/95 port using MSV5.0. The test server 'ztest' was
+ * moved a separate directory. MSV5.0 project server.dsp created.
+ * As an option, the server can now operate as an NT service.
+ *
+ * Revision 1.64 1997/04/30 08:52:11 quinn
+ * Null
+ *
+ * Revision 1.63 1996/10/11 11:57:26 quinn
+ * Smallish
+ *
+ * Revision 1.62 1996/07/06 19:58:35 quinn
+ * System headerfiles gathered in yconfig
+ *
+ * Revision 1.61 1996/06/10 08:56:16 quinn
+ * Work on Summary.
+ *
+ * Revision 1.60 1996/05/30 11:03:10 quinn
+ * Fixed NextresultSetPosition bug fixed.
+ *
+ * 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
*
*/
+#include <yconfig.h>
#include <stdlib.h>
#include <stdio.h>
+#ifdef WINDOWS
+#include <process.h>
+#else
#include <unistd.h>
+#endif
#include <assert.h>
-#include <dmalloc.h>
+#include <xmalloc.h>
#include <comstack.h>
-#include <eventl.h>
-#include <session.h>
+#include "eventl.h"
+#include "session.h"
#include <proto.h>
#include <oid.h>
#include <log.h>
#include <statserv.h>
-#include "../version.h"
#include <backend.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;
new->input_buffer = 0;
new->input_buffer_len = 0;
new->backend = 0;
- new->rejected = 0;
+ new->state = ASSOC_NEW;
request_initq(&new->incoming);
request_initq(&new->outgoing);
new->proto = cs_getproto(link);
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);
+ request_delq(&h->incoming);
+ request_delq(&h->outgoing);
+ 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(&a->outgoing);
+
+ /* 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->rejected)
+ if (assoc->state == ASSOC_DEAD)
{
logf(LOG_LOG, "Closed connection after reject");
cs_close(conn);
/* 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 */
+ req = request_get(&assoc->incoming); /* get a new request structure */
odr_reset(assoc->decode);
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_errmsg(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);
if (assoc->print && !z_APDU(assoc->print, &req->request, 0))
{
logf(LOG_WARN, "ODR print error: %s",
- odr_errlist[odr_geterror(assoc->print)]);
+ odr_errmsg(odr_geterror(assoc->print)));
odr_reset(assoc->print);
}
request_enq(&assoc->incoming, req);
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)
{
break;
case 0: /* all sent - release the request structure */
logf(LOG_DEBUG, "Wrote PDU, %d bytes", req->len_response);
- odr_release_mem(req->request_mem);
+ 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 received");
return -1;
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;
}
if (!z_APDU(assoc->encode, &res, 0))
{
logf(LOG_WARN, "ODR error when encoding response: %s",
- odr_errlist[odr_geterror(assoc->decode)]);
+ odr_errmsg(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't free if we abort later */
+ 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_errmsg(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);
/*
* Handle init request.
- * At the moment, we don't check the protocol version or the options
+ * 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.
Z_InitResponse *resp = apdu->u.initResponse;
bend_initrequest binitreq;
bend_initresult *binitres;
+ char options[100];
logf(LOG_LOG, "Got initRequest");
if (req->implementationId)
if (req->implementationVersion)
logf(LOG_LOG, "Version: %s", req->implementationVersion);
+ binitreq.stream = assoc->encode;
binitreq.configname = "default-config";
binitreq.auth = req->idAuthentication;
if (!(binitres = bend_init(&binitreq)))
assoc->backend = binitres->handle;
resp->referenceId = req->referenceId;
+ *options = '\0';
/* let's tell the client what we can do */
if (ODR_MASK_GET(req->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(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(resp->options, Z_Options_namedResultSets);
+ strcat(options, " namedresults");
+ }
if (ODR_MASK_GET(req->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(resp->options, Z_Options_concurrentOperations);
+ strcat(options, " concurop");
+ }
if (ODR_MASK_GET(req->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(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;
{
logf(LOG_LOG, "Connection rejected by backend.");
*resp->result = 0;
- assoc->rejected = 1;
+ assoc->state = ASSOC_DEAD;
}
+ else
+ assoc->state = ASSOC_UP;
return apdu;
}
/*
* nonsurrogate diagnostic record.
*/
-static Z_Records *diagrec(oid_proto proto, int error, char *addinfo)
+static Z_Records *diagrec(association *assoc, int error, char *addinfo)
{
- static Z_Records rec;
+ int oid[OID_SIZE];
+ Z_Records *rec = odr_malloc (assoc->encode, sizeof(*rec));
oident bib1;
- static Z_DiagRec dr;
- static int err;
+ int *err = odr_malloc (assoc->encode, sizeof(*err));
+ Z_DiagRec *drec = odr_malloc (assoc->encode, sizeof(*drec));
+ Z_DefaultDiagFormat *dr = odr_malloc (assoc->encode, sizeof(*dr));
- bib1.proto = proto;
- bib1.class = CLASS_DIAGSET;
+ bib1.proto = assoc->proto;
+ 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;
- rec.u.nonSurrogateDiagnostic = &dr;
- dr.diagnosticSetId = oid_getoidbyent(&bib1);
- dr.condition = &err;
- dr.addinfo = addinfo ? addinfo : "";
- return &rec;
+ *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_ent_to_oid(&bib1, oid);
+ 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,
+static Z_NamePlusRecord *surrogatediagrec(association *assoc, char *dbname,
int error, char *addinfo)
{
- static Z_NamePlusRecord rec;
- static Z_DiagRec dr;
- static int err;
+ int oid[OID_SIZE];
+ Z_NamePlusRecord *rec = odr_malloc (assoc->encode, sizeof(*rec));
+ int *err = odr_malloc (assoc->encode, sizeof(*err));
oident bib1;
+ Z_DiagRec *drec = odr_malloc (assoc->encode, sizeof(*drec));
+ Z_DefaultDiagFormat *dr = odr_malloc (assoc->encode, sizeof(*dr));
- bib1.proto = proto;
- bib1.class = CLASS_DIAGSET;
+ bib1.proto = assoc->proto;
+ 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;
- rec.u.surrogateDiagnostic = &dr;
- dr.diagnosticSetId = oid_getoidbyent(&bib1);
- dr.condition = &err;
- dr.addinfo = addinfo ? addinfo : "";
- return &rec;
+ *err = error;
+ rec->databaseName = dbname;
+ rec->which = Z_NamePlusRecord_surrogateDiagnostic;
+ rec->u.surrogateDiagnostic = drec;
+ drec->which = Z_DiagRec_defaultFormat;
+ drec->u.defaultFormat = dr;
+ dr->diagnosticSetId = oid_ent_to_oid(&bib1, oid);
+ 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 *diagrecs(association *assoc, int error, char *addinfo)
{
- static Z_DiagRecs recs;
- static Z_DiagRec *recp[1], rec;
- static int err;
+ int oid[OID_SIZE];
+ Z_DiagRecs *recs = odr_malloc (assoc->encode, sizeof(*recs));
+ int *err = odr_malloc (assoc->encode, sizeof(*err));
oident bib1;
+ Z_DiagRec **recp = odr_malloc (assoc->encode, sizeof(*recp));
+ Z_DiagRec *drec = odr_malloc (assoc->encode, sizeof(*drec));
+ Z_DefaultDiagFormat *rec = odr_malloc (assoc->encode, sizeof(*rec));
logf(LOG_DEBUG, "DiagRecs: %d -- %s", error, addinfo);
- bib1.proto = proto;
- bib1.class = CLASS_DIAGSET;
+ bib1.proto = assoc->proto;
+ bib1.oclass = CLASS_DIAGSET;
bib1.value = VAL_BIB1;
- err = error;
- recs.num_diagRecs = 1;
- recs.diagRecs = recp;
- recp[0] = &rec;
- rec.diagnosticSetId = oid_getoidbyent(&bib1);
- rec.condition = &err;
- rec.addinfo = addinfo ? addinfo : "";
- return &recs;
-}
+ *err = error;
+ recs->num_diagRecs = 1;
+ recs->diagRecs = recp;
+ recp[0] = drec;
+ drec->which = Z_DiagRec_defaultFormat;
+ drec->u.defaultFormat = rec;
-#define MAX_RECORDS 256
+ rec->diagnosticSetId = oid_ent_to_oid(&bib1, oid);
+ rec->condition = err;
+ rec->which = Z_DiagForm_v2AddInfo;
+ rec->addinfo = addinfo ? addinfo : "";
+ return recs;
+}
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];
+ int oid[OID_SIZE];
+ int recno, total_length = 0, toget = *num, dumped_records = 0;
+ Z_Records *records = odr_malloc (a->encode, sizeof(*records));
+ Z_NamePlusRecordList *reclist = odr_malloc (a->encode, sizeof(*reclist));
+ Z_NamePlusRecord **list = odr_malloc (a->encode, sizeof(*list) * toget);
oident recform;
- Odr_oid *oid;
- records.which = Z_Records_DBOSD;
- records.u.databaseOrSurDiagnostics = &reclist;
- reclist.num_records = 0;
- reclist.records = list;
+ records->which = Z_Records_DBOSD;
+ records->u.databaseOrSurDiagnostics = reclist;
+ reclist->num_records = 0;
+ reclist->records = list;
*pres = Z_PRES_SUCCESS;
*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);
- for (recno = start; reclist.num_records < toget; recno++)
+ for (recno = start; reclist->num_records < toget; recno++)
{
bend_fetchrequest freq;
bend_fetchresult *fres;
Z_NamePlusRecord *thisrec;
Z_DatabaseRecord *thisext;
+ int this_length;
- if (reclist.num_records == MAX_RECORDS - 1)
- {
- *pres = Z_PRES_PARTIAL_2;
- break;
- }
+ /*
+ * 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) - dumped_records;
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;
- return diagrec(a->proto, 2, "Backend interface problem");
+ return diagrec(a, 2, "Backend interface problem");
}
/* backend should be able to signal whether error is system-wide
or only pertaining to current record */
if (fres->errcode)
{
*pres = Z_PRES_FAILURE;
- return diagrec(a->proto, fres->errcode, fres->errstring);
+ return diagrec(a, 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)
{
logf(LOG_DEBUG, " Dropped it");
- reclist.records[reclist.num_records] =
- surrogatediagrec(a->proto, fres->basename, 16, 0);
- reclist.num_records++;
- total_length += 10; /* totally arbitrary */
+ reclist->records[reclist->num_records] =
+ surrogatediagrec(a, fres->basename, 16, 0);
+ reclist->num_records++;
+ *next = fres->last_in_set ? 0 : recno + 1;
+ dumped_records += this_length;
continue;
}
}
else /* too big entirely */
{
logf(LOG_DEBUG, "Record > maxrcdsz");
- reclist.records[reclist.num_records] =
- surrogatediagrec(a->proto, fres->basename, 17, 0);
- reclist.num_records++;
- total_length += 10; /* totally arbitrary */
+ reclist->records[reclist->num_records] =
+ surrogatediagrec(a, fres->basename, 17, 0);
+ reclist->num_records++;
+ *next = fres->last_in_set ? 0 : recno + 1;
+ dumped_records += this_length;
continue;
}
}
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_ent_to_oid(&recform, oid));
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;
- reclist.records[reclist.num_records] = thisrec;
- reclist.num_records++;
- total_length += 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;
+ case VAL_SUMMARY: thisext->which = Z_External_summary; break;
+ case VAL_OPAC: thisext->which = Z_External_OPAC; 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++;
*next = fres->last_in_set ? 0 : recno + 1;
}
- *num = reclist.num_records;
- return &records;
+ *num = reclist->num_records;
+ return records;
}
static Z_APDU *process_searchRequest(association *assoc, request *reqb,
bsrq.num_bases = req->num_databaseNames;
bsrq.basenames = req->databaseNames;
bsrq.query = req->query;
+ bsrq.stream = assoc->encode;
if (!(bsrt = bend_search(assoc->backend, &bsrq, fd)))
return 0;
bend_searchresult *bsrt, int *fd)
{
Z_SearchRequest *req = reqb->request->u.searchRequest;
- static Z_APDU apdu;
- static Z_SearchResponse resp;
- static int nulint = 0;
- static bool_t sr = 1;
- static int next = 0;
- static int none = Z_RES_NONE;
-
- apdu.which = Z_APDU_searchResponse;
- apdu.u.searchResponse = &resp;
- resp.referenceId = req->referenceId;
+ Z_APDU *apdu = odr_malloc (assoc->encode, sizeof(*apdu));
+ Z_SearchResponse *resp = odr_malloc (assoc->encode, sizeof(*resp));
+ int *nulint = odr_malloc (assoc->encode, sizeof(*nulint));
+ bool_t *sr = odr_malloc (assoc->encode, sizeof(*sr));
+ int *next = odr_malloc (assoc->encode, sizeof(*next));
+ int *none = odr_malloc (assoc->encode, sizeof(*none));
+
+ *nulint = 0;
+ *sr = 1;
+ *next = 0;
+ *none = Z_RES_NONE;
+
+ apdu->which = Z_APDU_searchResponse;
+ apdu->u.searchResponse = resp;
+ resp->referenceId = req->referenceId;
+ resp->additionalSearchInfo = 0;
+ resp->otherInfo = 0;
*fd = -1;
if (!bsrt && !(bsrt = bend_searchresponse(assoc->backend)))
{
}
else if (bsrt->errcode)
{
- resp.records = diagrec(assoc->proto, bsrt->errcode,
- bsrt->errstring);
- resp.resultCount = &nulint;
- resp.numberOfRecordsReturned = &nulint;
- resp.nextResultSetPosition = &nulint;
- resp.searchStatus = &nulint;
- resp.resultSetStatus = &none;
- resp.presentStatus = 0;
+ resp->records = diagrec(assoc, bsrt->errcode, bsrt->errstring);
+ resp->resultCount = nulint;
+ resp->numberOfRecordsReturned = nulint;
+ resp->nextResultSetPosition = nulint;
+ resp->searchStatus = nulint;
+ resp->resultSetStatus = none;
+ resp->presentStatus = 0;
}
else
{
- int toget;
- Z_ElementSetNames *setnames;
- int presst = 0;
+ int *toget = odr_malloc (assoc->encode, sizeof(*toget));
+ int *presst = odr_malloc (assoc->encode, sizeof(*presst));
+ Z_RecordComposition comp, *compp = 0;
- resp.records = 0;
- resp.resultCount = &bsrt->hits;
+ *toget = 0;
+ *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;
+ *toget = bsrt->hits;
+ 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;
+ *toget = *req->mediumSetPresentNumber;
+ if (*toget > bsrt->hits)
+ *toget = bsrt->hits;
+ if ((comp.u.simple = req->mediumSetElementSetNames))
+ compp = ∁
}
else
- toget = 0;
+ *toget = 0;
- if (toget && !resp.records)
+ if (*toget && !resp->records)
{
- resp.records = pack_records(assoc, req->resultSetName, 1,
- &toget, setnames, &next, &presst);
- if (!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, compp, next, presst, form);
+ if (!resp->records)
return 0;
- resp.numberOfRecordsReturned = &toget;
- resp.nextResultSetPosition = &next;
- resp.searchStatus = &sr;
- resp.resultSetStatus = 0;
- resp.presentStatus = &presst;
+ resp->numberOfRecordsReturned = toget;
+ resp->nextResultSetPosition = next;
+ resp->searchStatus = sr;
+ resp->resultSetStatus = 0;
+ resp->presentStatus = presst;
}
else
{
- resp.numberOfRecordsReturned = &nulint;
- resp.nextResultSetPosition = &next;
- resp.searchStatus = &sr;
- resp.resultSetStatus = 0;
- resp.presentStatus = 0;
+ if (*resp->resultCount)
+ *next = 1;
+ resp->numberOfRecordsReturned = nulint;
+ resp->nextResultSetPosition = next;
+ resp->searchStatus = sr;
+ resp->resultSetStatus = 0;
+ resp->presentStatus = 0;
}
}
- return &apdu;
+ return apdu;
}
/*
int *fd)
{
Z_PresentRequest *req = reqb->request->u.presentRequest;
- static Z_APDU apdu;
- static Z_PresentResponse resp;
- static int presst, next, num;
+ Z_APDU *apdu = odr_malloc (assoc->encode, sizeof(*apdu));
+ Z_PresentResponse *resp = odr_malloc (assoc->encode, sizeof(*resp));
+ int *presst = odr_malloc (assoc->encode, sizeof(*presst));
+ int *next = odr_malloc (assoc->encode, sizeof(*next));
+ int *num = odr_malloc (assoc->encode, sizeof(*num));
+ oident *prefformat;
+ oid_value form;
logf(LOG_LOG, "Got PresentRequest.");
- apdu.which = Z_APDU_presentResponse;
- apdu.u.presentResponse = &resp;
- resp.referenceId = req->referenceId;
-
- num = *req->numberOfRecordsRequested;
- resp.records = pack_records(assoc, req->resultSetId,
- *req->resultSetStartPoint, &num, req->elementSetNames, &next, &presst);
- if (!resp.records)
+ *presst = 0;
+ *next = 0;
+ *num = 0;
+
+ apdu->which = Z_APDU_presentResponse;
+ apdu->u.presentResponse = resp;
+ resp->referenceId = req->referenceId;
+ resp->otherInfo = 0;
+
+ 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->recordComposition, next,
+ presst, form);
+ if (!resp->records)
return 0;
- resp.numberOfRecordsReturned = #
- resp.presentStatus = &presst;
- resp.nextResultSetPosition = &next;
+ resp->numberOfRecordsReturned = num;
+ resp->presentStatus = presst;
+ resp->nextResultSetPosition = next;
- return &apdu;
+ return apdu;
}
/*
static Z_APDU *process_scanRequest(association *assoc, request *reqb, int *fd)
{
Z_ScanRequest *req = reqb->request->u.scanRequest;
- static Z_APDU apdu;
- static Z_ScanResponse res;
- static int scanStatus = Z_Scan_failure;
- static int numberOfEntriesReturned = 0;
+ Z_APDU *apdu = odr_malloc (assoc->encode, sizeof(*apdu));
+ Z_ScanResponse *res = odr_malloc (assoc->encode, sizeof(*res));
+ int *scanStatus = odr_malloc (assoc->encode, sizeof(*scanStatus));
+ int *numberOfEntriesReturned =
+ odr_malloc (assoc->encode, sizeof(*numberOfEntriesReturned));
+ Z_ListEntries *ents = odr_malloc (assoc->encode, sizeof(*ents));
oident *attent;
- static Z_ListEntries ents;
-#define SCAN_MAX_ENTRIES 200
- 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.stepSize = 0;
- res.scanStatus = &scanStatus;
- res.numberOfEntriesReturned = &numberOfEntriesReturned;
- res.positionOfTerm = 0;
- res.entries = &ents;
- ents.which = Z_ListEntries_nonSurrogateDiagnostics;
- res.attributeSet = 0;
+ *scanStatus = Z_Scan_failure;
+ *numberOfEntriesReturned = 0;
+
+ apdu->which = Z_APDU_scanResponse;
+ apdu->u.scanResponse = res;
+ res->referenceId = req->referenceId;
+ res->stepSize = 0;
+ res->scanStatus = scanStatus;
+ res->numberOfEntriesReturned = numberOfEntriesReturned;
+ res->positionOfTerm = 0;
+ res->entries = ents;
+ ents->which = Z_ListEntries_nonSurrogateDiagnostics;
+ res->attributeSet = 0;
+ res->otherInfo = 0;
if (req->attributeSet && (!(attent = oid_getentbyoid(req->attributeSet)) ||
- attent->class != CLASS_ATTSET || attent->value != VAL_BIB1))
- ents.u.nonSurrogateDiagnostics = diagrecs(assoc->proto, 121, 0);
+ attent->oclass != CLASS_ATTSET || attent->value != VAL_BIB1))
+ ents->u.nonSurrogateDiagnostics = diagrecs(assoc, 121, 0);
else if (req->stepSize && *req->stepSize > 0)
- ents.u.nonSurrogateDiagnostics = diagrecs(assoc->proto, 205, 0);
+ ents->u.nonSurrogateDiagnostics = diagrecs(assoc, 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;
+ srq.stream = assoc->encode;
+ 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 (req->termListAndStartPoint->term->which == Z_Term_general)
- logf(LOG_DEBUG, " term: %.*s",
- req->termListAndStartPoint->term->u.general->len,
- req->termListAndStartPoint->term->u.general->buf);
if (!(srs = bend_scan(assoc->backend, &srq, 0)))
- ents.u.nonSurrogateDiagnostics = diagrecs(assoc->proto, 2, 0);
+ ents->u.nonSurrogateDiagnostics = diagrecs(assoc, 2, 0);
else if (srs->errcode)
- ents.u.nonSurrogateDiagnostics = diagrecs(assoc->proto,
+ ents->u.nonSurrogateDiagnostics = diagrecs(assoc,
srs->errcode, srs->errstring);
else
{
int i;
- static Z_Entries list;
+ Z_Entries *list = odr_malloc (assoc->encode, sizeof(*list));
+ Z_Entry **tab = odr_malloc (assoc->encode,
+ sizeof(*tab) * srs->num_entries);
if (srs->status == BEND_SCAN_PARTIAL)
- scanStatus = Z_Scan_partial_5;
+ *scanStatus = Z_Scan_partial_5;
else
- scanStatus = Z_Scan_success;
- ents.which = Z_ListEntries_entries;
- ents.u.entries = &list;
- list.entries = tab;
+ *scanStatus = Z_Scan_success;
+ ents->which = Z_ListEntries_entries;
+ ents->u.entries = list;
+ list->entries = tab;
for (i = 0; i < srs->num_entries; i++)
{
Z_Entry *e;
Z_TermInfo *t;
Odr_oct *o;
- if (i >= SCAN_MAX_ENTRIES)
- {
- scanStatus = Z_Scan_partial_4;
- break;
- }
- list.entries[i] = e = odr_malloc(assoc->encode, sizeof(*e));
+ list->entries[i] = e = odr_malloc(assoc->encode, sizeof(*e));
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;
- res.positionOfTerm = &srs->term_position;
+ list->num_entries = i;
+ res->numberOfEntriesReturned = &list->num_entries;
+ res->positionOfTerm = &srs->term_position;
}
}
- return &apdu;
+ 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