1 /* $Id: filter_sru_to_z3950.cpp,v 1.35 2007-05-09 21:23:09 adam Exp $
2 Copyright (c) 2005-2007, Index Data.
4 This file is part of Metaproxy.
6 Metaproxy is free software; you can redistribute it and/or modify it under
7 the terms of the GNU General Public License as published by the Free
8 Software Foundation; either version 2, or (at your option) any later
11 Metaproxy is distributed in the hope that it will be useful, but WITHOUT ANY
12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 You should have received a copy of the GNU General Public License
17 along with Metaproxy; see the file LICENSE. If not, write to the
18 Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
24 #include "package.hpp"
26 #include "gduutil.hpp"
27 #include "sru_util.hpp"
28 #include "filter_sru_to_z3950.hpp"
31 #include <yaz/z-core.h>
33 #include <yaz/pquery.h>
34 #include <yaz/oid_db.h>
36 #include <boost/thread/mutex.hpp>
44 namespace mp = metaproxy_1;
45 namespace mp_util = metaproxy_1::util;
46 namespace yf = mp::filter;
49 namespace metaproxy_1 {
51 class SRUtoZ3950::Impl {
53 void configure(const xmlNode *xmlnode);
54 void process(metaproxy_1::Package &package);
56 union SRW_query {char * cql; char * xcql; char * pqf;};
57 typedef const int& SRW_query_type;
58 std::map<std::string, const xmlNode *> m_database_explain;
61 bool z3950_build_query(mp::odr &odr_en, Z_Query *z_query,
62 const SRW_query &query,
63 SRW_query_type query_type) const;
65 bool z3950_init_request(mp::Package &package,
67 Z_SRW_PDU *sru_pdu_res,
69 &database = "Default") const;
71 bool z3950_close_request(mp::Package &package) const;
73 bool z3950_search_request(mp::Package &package,
75 Z_SRW_PDU *sru_pdu_res,
76 Z_SRW_searchRetrieveRequest
79 bool z3950_present_request(mp::Package &package,
81 Z_SRW_PDU *sru_pdu_res,
82 Z_SRW_searchRetrieveRequest
85 bool z3950_scan_request(mp::Package &package,
87 Z_SRW_PDU *sru_pdu_res,
91 bool z3950_to_srw_diagnostics_ok(mp::odr &odr_en,
92 Z_SRW_searchRetrieveResponse *srw_res,
93 Z_Records *records) const;
95 int z3950_to_srw_diag(mp::odr &odr_en,
96 Z_SRW_searchRetrieveResponse *srw_res,
97 Z_DefaultDiagFormat *ddf) const;
102 yf::SRUtoZ3950::SRUtoZ3950() : m_p(new Impl)
106 yf::SRUtoZ3950::~SRUtoZ3950()
107 { // must have a destructor because of boost::scoped_ptr
110 void yf::SRUtoZ3950::configure(const xmlNode *xmlnode)
112 m_p->configure(xmlnode);
115 void yf::SRUtoZ3950::process(mp::Package &package) const
117 m_p->process(package);
120 void yf::SRUtoZ3950::Impl::configure(const xmlNode *confignode)
122 const xmlNode * dbnode;
124 for (dbnode = confignode->children; dbnode; dbnode = dbnode->next){
125 if (dbnode->type != XML_ELEMENT_NODE)
128 std::string database;
129 mp::xml::check_element_mp(dbnode, "database");
131 for (struct _xmlAttr *attr = dbnode->properties;
132 attr; attr = attr->next){
134 mp::xml::check_attribute(attr, "", "name");
135 database = mp::xml::get_text(attr);
137 const xmlNode *explainnode;
138 for (explainnode = dbnode->children;
139 explainnode; explainnode = explainnode->next){
140 if (explainnode->type != XML_ELEMENT_NODE)
145 // assigning explain node to database name - no check yet
146 m_database_explain.insert(std::make_pair(database, explainnode));
151 void yf::SRUtoZ3950::Impl::process(mp::Package &package)
153 Z_GDU *zgdu_req = package.request().get();
155 // ignoring all non HTTP_Request packages
156 if (!zgdu_req || !(zgdu_req->which == Z_GDU_HTTP_Request)){
161 // only working on HTTP_Request packages now
165 mp::odr odr_de(ODR_DECODE);
166 Z_SRW_PDU *sru_pdu_req = 0;
168 mp::odr odr_en(ODR_ENCODE);
169 Z_SRW_PDU *sru_pdu_res = yaz_srw_get(odr_en, Z_SRW_explain_response);
171 // determine database with the HTTP header information only
172 mp_util::SRUServerInfo sruinfo = mp_util::get_sru_server_info(package);
173 std::map<std::string, const xmlNode *>::iterator idbexp;
174 idbexp = m_database_explain.find(sruinfo.database);
176 // assign explain config XML DOM node if database is known
177 const xmlNode *explainnode = 0;
178 if (idbexp != m_database_explain.end()){
179 explainnode = idbexp->second;
181 // just moving package if database is not known
188 // decode SRU request
191 char *stylesheet = 0;
193 // filter acts as sink for non-valid SRU requests
194 if (! (sru_pdu_req = mp_util::decode_sru_request(package, odr_de, odr_en,
196 charset, stylesheet)))
200 mp_util::build_sru_explain(package, odr_en, sru_pdu_res,
201 sruinfo, explainnode);
202 mp_util::build_sru_response(package, odr_en, soap,
203 sru_pdu_res, charset, stylesheet);
207 metaproxy_1::odr odr;
209 odr.create_HTTP_Response(package.session(),
210 zgdu_req->u.HTTP_Request, 400);
211 package.response() = zgdu_res;
216 // filter acts as sink for SRU explain requests
217 if (sru_pdu_req && sru_pdu_req->which == Z_SRW_explain_request)
219 Z_SRW_explainRequest *er_req = sru_pdu_req->u.explain_request;
220 //mp_util::build_simple_explain(package, odr_en, sru_pdu_res,
222 mp_util::build_sru_explain(package, odr_en, sru_pdu_res,
223 sruinfo, explainnode, er_req);
226 && sru_pdu_req->which == Z_SRW_searchRetrieve_request
227 && sru_pdu_req->u.request)
229 Z_SRW_searchRetrieveRequest *sr_req = sru_pdu_req->u.request;
231 sru_pdu_res = yaz_srw_get(odr_en, Z_SRW_searchRetrieve_response);
233 // checking that we have a query
234 ok = mp_util::check_sru_query_exists(package, odr_en,
235 sru_pdu_res, sr_req);
237 if (ok && z3950_init_request(package, odr_en, sru_pdu_res))
240 ok = z3950_search_request(package, odr_en,
241 sru_pdu_res, sr_req);
244 && sru_pdu_res->u.response->numberOfRecords
245 && *(sru_pdu_res->u.response->numberOfRecords)
246 && sr_req->maximumRecords
247 && *(sr_req->maximumRecords))
249 ok = z3950_present_request(package, odr_en,
252 z3950_close_request(package);
259 && sru_pdu_req->which == Z_SRW_scan_request
260 && sru_pdu_req->u.scan_request)
262 Z_SRW_scanRequest *sr_req = sru_pdu_req->u.scan_request;
264 sru_pdu_res = yaz_srw_get(odr_en, Z_SRW_scan_response);
266 // we do not do scan at the moment, therefore issuing a diagnostic
267 yaz_add_srw_diagnostic(odr_en,
268 &(sru_pdu_res->u.scan_response->diagnostics),
269 &(sru_pdu_res->u.scan_response->num_diagnostics),
272 // to be used when we do scan
273 if (false && z3950_init_request(package, odr_en, sru_pdu_res))
275 z3950_scan_request(package, odr_en, sru_pdu_res, sr_req);
276 z3950_close_request(package);
281 //std::cout << "SRU OPERATION NOT SUPPORTED \n";
282 sru_pdu_res = yaz_srw_get(odr_en, Z_SRW_explain_response);
284 // TODO: make nice diagnostic return package
288 // build and send SRU response
289 mp_util::build_sru_response(package, odr_en, soap,
290 sru_pdu_res, charset, stylesheet);
296 yf::SRUtoZ3950::Impl::z3950_init_request(mp::Package &package,
298 Z_SRW_PDU *sru_pdu_res,
299 const std::string &database) const
301 // prepare Z3950 package
302 Package z3950_package(package.session(), package.origin());
303 z3950_package.copy_filter(package);
305 // set initRequest APDU
306 Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_initRequest);
307 Z_InitRequest *init_req = apdu->u.initRequest;
308 //TODO: add user name in apdu
309 //TODO: add user passwd in apdu
310 //init_req->idAuthentication = org_init->idAuthentication;
311 //init_req->implementationId = "IDxyz";
312 //init_req->implementationName = "NAMExyz";
313 //init_req->implementationVersion = "VERSIONxyz";
315 ODR_MASK_SET(init_req->options, Z_Options_search);
316 ODR_MASK_SET(init_req->options, Z_Options_present);
317 ODR_MASK_SET(init_req->options, Z_Options_namedResultSets);
318 ODR_MASK_SET(init_req->options, Z_Options_scan);
320 ODR_MASK_SET(init_req->protocolVersion, Z_ProtocolVersion_1);
321 ODR_MASK_SET(init_req->protocolVersion, Z_ProtocolVersion_2);
322 ODR_MASK_SET(init_req->protocolVersion, Z_ProtocolVersion_3);
324 z3950_package.request() = apdu;
326 // send Z3950 package
327 z3950_package.move();
329 // dead Z3950 backend detection
330 if (z3950_package.session().is_closed()){
331 yaz_add_srw_diagnostic(odr_en,
332 &(sru_pdu_res->u.response->diagnostics),
333 &(sru_pdu_res->u.response->num_diagnostics),
338 // check successful initResponse
339 Z_GDU *z3950_gdu = z3950_package.response().get();
341 if (z3950_gdu && z3950_gdu->which == Z_GDU_Z3950
342 && z3950_gdu->u.z3950->which == Z_APDU_initResponse
343 && *z3950_gdu->u.z3950->u.initResponse->result)
346 yaz_add_srw_diagnostic(odr_en,
347 &(sru_pdu_res->u.response->diagnostics),
348 &(sru_pdu_res->u.response->num_diagnostics),
354 yf::SRUtoZ3950::Impl::z3950_close_request(mp::Package &package) const
356 // prepare and close Z3950 package
357 Package z3950_package(package.session(), package.origin());
358 z3950_package.copy_filter(package);
359 z3950_package.session().close();
362 //mp::odr odr_en(ODR_ENCODE);
363 //Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_close);
364 //z3950_package.request() = apdu;
366 z3950_package.move();
368 // check successful close response
369 //Z_GDU *z3950_gdu = z3950_package.response().get();
370 //if (z3950_gdu && z3950_gdu->which == Z_GDU_Z3950
371 // && z3950_gdu->u.z3950->which == Z_APDU_close)
374 if (z3950_package.session().is_closed()){
380 bool yf::SRUtoZ3950::Impl::z3950_search_request(mp::Package &package,
382 Z_SRW_PDU *sru_pdu_res,
383 Z_SRW_searchRetrieveRequest
387 assert(sru_pdu_res->u.response);
389 Package z3950_package(package.session(), package.origin());
390 z3950_package.copy_filter(package);
392 //add stuff in z3950 apdu
393 Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_searchRequest);
394 Z_SearchRequest *z_searchRequest = apdu->u.searchRequest;
397 z_searchRequest->num_databaseNames = 1;
398 z_searchRequest->databaseNames = (char**)
399 odr_malloc(odr_en, sizeof(char *));
401 if (sr_req->database)
402 z_searchRequest->databaseNames[0]
403 = odr_strdup(odr_en, const_cast<char *>(sr_req->database));
405 z_searchRequest->databaseNames[0]
406 = odr_strdup(odr_en, "Default");
410 Z_Query *z_query = (Z_Query *) odr_malloc(odr_en, sizeof(Z_Query));
411 z_searchRequest->query = z_query;
413 if (!z3950_build_query(odr_en, z_query,
414 (const SRW_query&)sr_req->query,
417 yaz_add_srw_diagnostic(odr_en,
418 &(sru_pdu_res->u.response->diagnostics),
419 &(sru_pdu_res->u.response->num_diagnostics),
424 z3950_package.request() = apdu;
426 // send Z39.50 package off to backend
427 z3950_package.move();
430 Z_GDU *z3950_gdu = z3950_package.response().get();
432 //TODO: check success condition
433 //int yaz_diag_bib1_to_srw (int bib1_code);
434 //int yaz_diag_srw_to_bib1(int srw_code);
435 //Se kode i src/seshigh.c (srw_bend_search, srw_bend_init).
437 if (!z3950_gdu || z3950_gdu->which != Z_GDU_Z3950
438 || z3950_gdu->u.z3950->which != Z_APDU_searchResponse
439 || !z3950_gdu->u.z3950->u.searchResponse
440 || !z3950_gdu->u.z3950->u.searchResponse->searchStatus)
442 yaz_add_srw_diagnostic(odr_en,
443 &(sru_pdu_res->u.response->diagnostics),
444 &(sru_pdu_res->u.response->num_diagnostics),
449 // everything fine, continuing
450 Z_SearchResponse *sr = z3950_gdu->u.z3950->u.searchResponse;
452 // checking non surrogate diagnostics in Z3950 search response package
453 if (!z3950_to_srw_diagnostics_ok(odr_en, sru_pdu_res->u.response,
459 // Finally, roll on and srw'fy number of records
460 sru_pdu_res->u.response->numberOfRecords
461 = (int *) odr_malloc(odr_en, sizeof(int *));
462 *(sru_pdu_res->u.response->numberOfRecords) = *(sr->resultCount);
464 // srw'fy nextRecordPosition
465 //sru_pdu_res->u.response->nextRecordPosition
466 // = (int *) odr_malloc(odr_en, sizeof(int *));
467 //*(sru_pdu_res->u.response->nextRecordPosition) = 1;
473 yf::SRUtoZ3950::Impl::z3950_present_request(mp::Package &package,
475 Z_SRW_PDU *sru_pdu_res,
476 Z_SRW_searchRetrieveRequest
480 assert(sru_pdu_res->u.response);
486 // no need to work if nobody wants record ..
487 if (!(sr_req->maximumRecords) || 0 == *(sr_req->maximumRecords))
490 bool send_z3950_present = true;
492 // recordXPath unsupported.
493 if (sr_req->recordXPath)
495 send_z3950_present = false;
496 yaz_add_srw_diagnostic(odr_en,
497 &(sru_pdu_res->u.response->diagnostics),
498 &(sru_pdu_res->u.response->num_diagnostics),
502 // resultSetTTL unsupported.
503 // resultSetIdleTime in response
504 if (sr_req->resultSetTTL)
506 send_z3950_present = false;
507 yaz_add_srw_diagnostic(odr_en,
508 &(sru_pdu_res->u.response->diagnostics),
509 &(sru_pdu_res->u.response->num_diagnostics),
514 if (sr_req->sort_type != Z_SRW_sort_type_none)
516 send_z3950_present = false;
517 yaz_add_srw_diagnostic(odr_en,
518 &(sru_pdu_res->u.response->diagnostics),
519 &(sru_pdu_res->u.response->num_diagnostics),
523 // start record requested negative, or larger than number of records
524 if (sr_req->startRecord
526 ((*(sr_req->startRecord) < 0) // negative
528 (sru_pdu_res->u.response->numberOfRecords //out of range
529 && *(sr_req->startRecord)
530 > *(sru_pdu_res->u.response->numberOfRecords))
533 send_z3950_present = false;
534 yaz_add_srw_diagnostic(odr_en,
535 &(sru_pdu_res->u.response->diagnostics),
536 &(sru_pdu_res->u.response->num_diagnostics),
540 // maximumRecords requested negative
541 if (sr_req->maximumRecords
542 && *(sr_req->maximumRecords) < 0)
545 send_z3950_present = false;
546 yaz_add_srw_diagnostic(odr_en,
547 &(sru_pdu_res->u.response->diagnostics),
548 &(sru_pdu_res->u.response->num_diagnostics),
549 6, "maximumRecords");
552 // exit on all these above diagnostics
553 if (!send_z3950_present)
556 // now packaging the z3950 present request
557 Package z3950_package(package.session(), package.origin());
558 z3950_package.copy_filter(package);
559 Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_presentRequest);
561 assert(apdu->u.presentRequest);
563 // z3950'fy start record position
564 if (sr_req->startRecord)
565 *(apdu->u.presentRequest->resultSetStartPoint)
566 = *(sr_req->startRecord);
568 *(apdu->u.presentRequest->resultSetStartPoint) = 1;
570 // z3950'fy number of records requested
571 // protect against requesting records out of range
572 if (sr_req->maximumRecords)
573 *(apdu->u.presentRequest->numberOfRecordsRequested)
574 = std::min(*(sr_req->maximumRecords),
575 *(sru_pdu_res->u.response->numberOfRecords)
576 - *(apdu->u.presentRequest->resultSetStartPoint)
579 // z3950'fy recordPacking
580 int record_packing = Z_SRW_recordPacking_XML;
581 if (sr_req->recordPacking && 's' == *(sr_req->recordPacking))
582 record_packing = Z_SRW_recordPacking_string;
584 // RecordSyntax will always be XML
585 apdu->u.presentRequest->preferredRecordSyntax
586 = odr_oiddup(odr_en, yaz_oid_recsyn_xml);
588 // z3950'fy record schema
589 if (sr_req->recordSchema)
591 apdu->u.presentRequest->recordComposition
592 = (Z_RecordComposition *)
593 odr_malloc(odr_en, sizeof(Z_RecordComposition));
594 apdu->u.presentRequest->recordComposition->which
595 = Z_RecordComp_simple;
596 apdu->u.presentRequest->recordComposition->u.simple
597 = mp_util::build_esn_from_schema(odr_en,
598 (const char *) sr_req->recordSchema);
601 // z3950'fy time to live - flagged as diagnostics above
602 //if (sr_req->resultSetTTL)
604 // attaching Z3950 package to filter chain
605 z3950_package.request() = apdu;
607 // sending Z30.50 present request
608 z3950_package.move();
610 //check successful Z3950 present response
611 Z_GDU *z3950_gdu = z3950_package.response().get();
612 if (!z3950_gdu || z3950_gdu->which != Z_GDU_Z3950
613 || z3950_gdu->u.z3950->which != Z_APDU_presentResponse
614 || !z3950_gdu->u.z3950->u.presentResponse)
617 yaz_add_srw_diagnostic(odr_en,
618 &(sru_pdu_res->u.response->diagnostics),
619 &(sru_pdu_res->u.response->num_diagnostics),
625 // everything fine, continuing
627 Z_PresentResponse *pr = z3950_gdu->u.z3950->u.presentResponse;
628 Z_SRW_searchRetrieveResponse *sru_res = sru_pdu_res->u.response;
631 // checking non surrogate diagnostics in Z3950 present response package
632 if (!z3950_to_srw_diagnostics_ok(odr_en, sru_pdu_res->u.response,
638 // copy all records if existing
639 if (pr->records && pr->records->which == Z_Records_DBOSD)
641 // srw'fy number of returned records
643 = pr->records->u.databaseOrSurDiagnostics->num_records;
646 = (Z_SRW_record *) odr_malloc(odr_en,
648 * sizeof(Z_SRW_record));
651 // srw'fy nextRecordPosition
652 // next position never zero or behind the last z3950 record
653 if (pr->nextResultSetPosition
654 && *(pr->nextResultSetPosition) > 0
655 && *(pr->nextResultSetPosition)
656 <= *(sru_pdu_res->u.response->numberOfRecords))
657 sru_res->nextRecordPosition
658 = odr_intdup(odr_en, *(pr->nextResultSetPosition));
660 // inserting all records
661 for (int i = 0; i < sru_res->num_records; i++)
663 Z_NamePlusRecord *npr
664 = pr->records->u.databaseOrSurDiagnostics->records[i];
666 sru_res->records[i].recordPosition
668 i + *(apdu->u.presentRequest->resultSetStartPoint));
670 sru_res->records[i].recordPacking = record_packing;
672 if (npr->which != Z_NamePlusRecord_databaseRecord)
674 sru_res->records[i].recordSchema = "diagnostic";
675 sru_res->records[i].recordData_buf = "67";
676 sru_res->records[i].recordData_len = 2;
680 Z_External *r = npr->u.databaseRecord;
681 if (r->direct_reference
682 && !oid_oidcmp(r->direct_reference, yaz_oid_recsyn_xml))
684 sru_res->records[i].recordSchema = "dc";
685 sru_res->records[i].recordData_buf
686 = odr_strdupn(odr_en,
687 (const char *)r->u.octet_aligned->buf,
688 r->u.octet_aligned->len);
689 sru_res->records[i].recordData_len
690 = r->u.octet_aligned->len;
694 sru_res->records[i].recordSchema = "diagnostic";
695 sru_res->records[i].recordData_buf = "67";
696 sru_res->records[i].recordData_len = 2;
706 yf::SRUtoZ3950::Impl::z3950_scan_request(mp::Package &package,
708 Z_SRW_PDU *sru_pdu_res,
709 Z_SRW_scanRequest const *sr_req) const
711 assert(sru_pdu_res->u.scan_response);
713 Package z3950_package(package.session(), package.origin());
714 z3950_package.copy_filter(package);
715 //mp::odr odr_en(ODR_ENCODE);
716 Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_scanRequest);
718 //TODO: add stuff in apdu
719 Z_ScanRequest *z_scanRequest = apdu->u.scanRequest;
721 // database repackaging
722 z_scanRequest->num_databaseNames = 1;
723 z_scanRequest->databaseNames = (char**)
724 odr_malloc(odr_en, sizeof(char *));
725 if (sr_req->database)
726 z_scanRequest->databaseNames[0]
727 = odr_strdup(odr_en, const_cast<char *>(sr_req->database));
729 z_scanRequest->databaseNames[0]
730 = odr_strdup(odr_en, "Default");
734 // CQL or XCQL scan is not possible in Z3950, flagging a diagnostic
735 if (sr_req->query_type != Z_SRW_query_type_pqf)
737 //send_to_srw_client_error(7, "query");
741 // PQF query repackaging
742 // need to use Z_AttributesPlusTerm structure, not Z_Query
743 // this can be digget out of a
744 // Z_query->type1(Z_RPNQuery)->RPNStructure(Z_RPNStructure)
745 // ->u.simple(Z_Operand)->u.attributesPlusTerm(Z_AttributesPlusTerm )
747 //Z_Query *z_query = (Z_Query *) odr_malloc(odr_en, sizeof(Z_Query));
748 //z_searchRequest->query = z_query;
750 //if (!z3950_build_query(odr_en, z_query,
751 // (const SRW_query&)sr_req->query,
752 // sr_req->query_type))
754 //send_to_srw_client_error(7, "query");
760 z3950_package.request() = apdu;
761 std::cout << "z3950_scan_request " << *apdu << "\n";
763 z3950_package.move();
764 //TODO: check success condition
769 bool yf::SRUtoZ3950::Impl::z3950_build_query(mp::odr &odr_en, Z_Query *z_query,
770 const SRW_query &query,
771 SRW_query_type query_type) const
773 if (query_type == Z_SRW_query_type_cql)
775 Z_External *ext = (Z_External *)
776 odr_malloc(odr_en, sizeof(*ext));
777 ext->direct_reference =
778 odr_getoidbystr(odr_en, "1.2.840.10003.16.2");
779 ext->indirect_reference = 0;
781 ext->which = Z_External_CQL;
782 ext->u.cql = const_cast<char *>(query.cql);
784 z_query->which = Z_Query_type_104;
785 z_query->u.type_104 = ext;
789 if (query_type == Z_SRW_query_type_pqf)
791 Z_RPNQuery *RPNquery;
792 YAZ_PQF_Parser pqf_parser;
794 pqf_parser = yaz_pqf_create ();
796 RPNquery = yaz_pqf_parse (pqf_parser, odr_en, query.pqf);
799 std::cout << "TODO: Handeling of bad PQF\n";
800 std::cout << "TODO: Diagnostic to be send\n";
802 z_query->which = Z_Query_type_1;
803 z_query->u.type_1 = RPNquery;
805 yaz_pqf_destroy(pqf_parser);
813 yf::SRUtoZ3950::Impl::z3950_to_srw_diagnostics_ok(mp::odr &odr_en,
814 Z_SRW_searchRetrieveResponse
816 Z_Records *records) const
818 // checking non surrogate diagnostics in Z3950 present response package
820 && records->which == Z_Records_NSD
821 && records->u.nonSurrogateDiagnostic)
823 z3950_to_srw_diag(odr_en, sru_res,
824 records->u.nonSurrogateDiagnostic);
832 yf::SRUtoZ3950::Impl::z3950_to_srw_diag(mp::odr &odr_en,
833 Z_SRW_searchRetrieveResponse *sru_res,
834 Z_DefaultDiagFormat *ddf) const
836 int bib1_code = *ddf->condition;
837 sru_res->num_diagnostics = 1;
838 sru_res->diagnostics = (Z_SRW_diagnostic *)
839 odr_malloc(odr_en, sizeof(*sru_res->diagnostics));
840 yaz_mk_std_diagnostic(odr_en, sru_res->diagnostics,
841 yaz_diag_bib1_to_srw(bib1_code),
848 static mp::filter::Base* filter_creator()
850 return new mp::filter::SRUtoZ3950;
854 struct metaproxy_1_filter_struct metaproxy_1_filter_sru_to_z3950 = {
865 * indent-tabs-mode: nil
866 * c-file-style: "stroustrup"
868 * vim: shiftwidth=4 tabstop=8 expandtab