1 /* This file is part of Metaproxy.
2 Copyright (C) 2005-2008 Index Data
4 Metaproxy is free software; you can redistribute it and/or modify it under
5 the terms of the GNU General Public License as published by the Free
6 Software Foundation; either version 2, or (at your option) any later
9 Metaproxy is distributed in the hope that it will be useful, but WITHOUT ANY
10 WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 #include "package.hpp"
23 #include "gduutil.hpp"
24 #include "sru_util.hpp"
25 #include "filter_sru_to_z3950.hpp"
28 #include <yaz/z-core.h>
30 #include <yaz/pquery.h>
31 #include <yaz/oid_db.h>
33 #include <boost/thread/mutex.hpp>
41 namespace mp = metaproxy_1;
42 namespace mp_util = metaproxy_1::util;
43 namespace yf = mp::filter;
45 namespace metaproxy_1 {
47 class SRUtoZ3950::Impl {
49 void configure(const xmlNode *xmlnode);
50 void process(metaproxy_1::Package &package);
52 union SRW_query {char * cql; char * xcql; char * pqf;};
53 typedef const int& SRW_query_type;
54 std::map<std::string, const xmlNode *> m_database_explain;
57 bool z3950_build_query(mp::odr &odr_en, Z_Query *z_query,
58 const SRW_query &query,
59 SRW_query_type query_type) const;
61 bool z3950_init_request(mp::Package &package,
64 Z_SRW_PDU *sru_pdu_res) const;
66 bool z3950_close_request(mp::Package &package) const;
68 bool z3950_search_request(
71 Z_SRW_PDU *sru_pdu_res,
72 Z_SRW_searchRetrieveRequest const *sr_req,
73 std::string zurl) const;
75 bool z3950_present_request(
78 Z_SRW_PDU *sru_pdu_res,
79 Z_SRW_searchRetrieveRequest const *sr_req) const;
81 bool z3950_scan_request(mp::Package &package,
83 Z_SRW_PDU *sru_pdu_res,
87 bool z3950_to_srw_diagnostics_ok(mp::odr &odr_en,
88 Z_SRW_searchRetrieveResponse *srw_res,
89 Z_Records *records) const;
91 int z3950_to_srw_diag(mp::odr &odr_en,
92 Z_SRW_searchRetrieveResponse *srw_res,
93 Z_DefaultDiagFormat *ddf) const;
98 yf::SRUtoZ3950::SRUtoZ3950() : m_p(new Impl)
102 yf::SRUtoZ3950::~SRUtoZ3950()
103 { // must have a destructor because of boost::scoped_ptr
106 void yf::SRUtoZ3950::configure(const xmlNode *xmlnode, bool test_only)
108 m_p->configure(xmlnode);
111 void yf::SRUtoZ3950::process(mp::Package &package) const
113 m_p->process(package);
116 void yf::SRUtoZ3950::Impl::configure(const xmlNode *confignode)
118 const xmlNode * dbnode;
120 for (dbnode = confignode->children; dbnode; dbnode = dbnode->next){
121 if (dbnode->type != XML_ELEMENT_NODE)
124 std::string database;
125 mp::xml::check_element_mp(dbnode, "database");
127 for (struct _xmlAttr *attr = dbnode->properties;
128 attr; attr = attr->next){
130 mp::xml::check_attribute(attr, "", "name");
131 database = mp::xml::get_text(attr);
133 const xmlNode *explainnode;
134 for (explainnode = dbnode->children;
135 explainnode; explainnode = explainnode->next){
136 if (explainnode->type != XML_ELEMENT_NODE)
141 // assigning explain node to database name - no check yet
142 m_database_explain.insert(std::make_pair(database, explainnode));
147 void yf::SRUtoZ3950::Impl::process(mp::Package &package)
149 Z_GDU *zgdu_req = package.request().get();
151 // ignoring all non HTTP_Request packages
152 if (!zgdu_req || !(zgdu_req->which == Z_GDU_HTTP_Request)){
157 // only working on HTTP_Request packages now
161 mp::odr odr_de(ODR_DECODE);
162 Z_SRW_PDU *sru_pdu_req = 0;
164 mp::odr odr_en(ODR_ENCODE);
165 Z_SRW_PDU *sru_pdu_res = yaz_srw_get(odr_en, Z_SRW_explain_response);
167 // determine database with the HTTP header information only
168 mp_util::SRUServerInfo sruinfo = mp_util::get_sru_server_info(package);
169 std::map<std::string, const xmlNode *>::iterator idbexp;
170 idbexp = m_database_explain.find(sruinfo.database);
172 // assign explain config XML DOM node if database is known
173 const xmlNode *explainnode = 0;
174 if (idbexp != m_database_explain.end()){
175 explainnode = idbexp->second;
177 // just moving package if database is not known
184 // decode SRU request
187 char *stylesheet = 0;
189 // filter acts as sink for non-valid SRU requests
190 if (! (sru_pdu_req = mp_util::decode_sru_request(package, odr_de, odr_en,
192 charset, stylesheet)))
196 mp_util::build_sru_explain(package, odr_en, sru_pdu_res,
197 sruinfo, explainnode);
198 mp_util::build_sru_response(package, odr_en, soap,
199 sru_pdu_res, charset, stylesheet);
203 metaproxy_1::odr odr;
205 odr.create_HTTP_Response(package.session(),
206 zgdu_req->u.HTTP_Request, 400);
207 package.response() = zgdu_res;
213 Z_SRW_extra_arg *arg;
215 for ( arg = sru_pdu_req->extra_args; arg; arg = arg->next)
216 if (!strcmp(arg->name, "x-target"))
218 zurl = std::string(arg->value);
222 // filter acts as sink for SRU explain requests
223 if (sru_pdu_req && sru_pdu_req->which == Z_SRW_explain_request)
225 Z_SRW_explainRequest *er_req = sru_pdu_req->u.explain_request;
226 //mp_util::build_simple_explain(package, odr_en, sru_pdu_res,
228 mp_util::build_sru_explain(package, odr_en, sru_pdu_res,
229 sruinfo, explainnode, er_req);
232 && sru_pdu_req->which == Z_SRW_searchRetrieve_request
233 && sru_pdu_req->u.request)
235 Z_SRW_searchRetrieveRequest *sr_req = sru_pdu_req->u.request;
237 sru_pdu_res = yaz_srw_get(odr_en, Z_SRW_searchRetrieve_response);
239 // checking that we have a query
240 ok = mp_util::check_sru_query_exists(package, odr_en,
241 sru_pdu_res, sr_req);
243 if (ok && z3950_init_request(package, odr_en, zurl, sru_pdu_res))
245 ok = z3950_search_request(package, odr_en,
246 sru_pdu_res, sr_req, zurl);
249 && sru_pdu_res->u.response->numberOfRecords
250 && *(sru_pdu_res->u.response->numberOfRecords)
251 && sr_req->maximumRecords
252 && *(sr_req->maximumRecords))
254 ok = z3950_present_request(package, odr_en,
257 z3950_close_request(package);
263 && sru_pdu_req->which == Z_SRW_scan_request
264 && sru_pdu_req->u.scan_request)
266 Z_SRW_scanRequest *sr_req = sru_pdu_req->u.scan_request;
268 sru_pdu_res = yaz_srw_get(odr_en, Z_SRW_scan_response);
270 // we do not do scan at the moment, therefore issuing a diagnostic
271 yaz_add_srw_diagnostic(odr_en,
272 &(sru_pdu_res->u.scan_response->diagnostics),
273 &(sru_pdu_res->u.scan_response->num_diagnostics),
274 YAZ_SRW_UNSUPP_OPERATION, "scan");
276 // to be used when we do scan
277 if (false && z3950_init_request(package, odr_en, zurl, sru_pdu_res))
279 z3950_scan_request(package, odr_en, sru_pdu_res, sr_req);
280 z3950_close_request(package);
285 //std::cout << "SRU OPERATION NOT SUPPORTED \n";
286 sru_pdu_res = yaz_srw_get(odr_en, Z_SRW_explain_response);
288 // TODO: make nice diagnostic return package
292 // build and send SRU response
293 mp_util::build_sru_response(package, odr_en, soap,
294 sru_pdu_res, charset, stylesheet);
300 yf::SRUtoZ3950::Impl::z3950_init_request(mp::Package &package,
303 Z_SRW_PDU *sru_pdu_res) const
305 // prepare Z3950 package
306 Package z3950_package(package.session(), package.origin());
307 z3950_package.copy_filter(package);
309 // set initRequest APDU
310 Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_initRequest);
311 Z_InitRequest *init_req = apdu->u.initRequest;
312 //TODO: add user name in apdu
313 //TODO: add user passwd in apdu
314 //init_req->idAuthentication = org_init->idAuthentication;
315 //init_req->implementationId = "IDxyz";
316 //init_req->implementationName = "NAMExyz";
317 //init_req->implementationVersion = "VERSIONxyz";
319 ODR_MASK_SET(init_req->options, Z_Options_search);
320 ODR_MASK_SET(init_req->options, Z_Options_present);
321 ODR_MASK_SET(init_req->options, Z_Options_namedResultSets);
322 ODR_MASK_SET(init_req->options, Z_Options_scan);
324 ODR_MASK_SET(init_req->protocolVersion, Z_ProtocolVersion_1);
325 ODR_MASK_SET(init_req->protocolVersion, Z_ProtocolVersion_2);
326 ODR_MASK_SET(init_req->protocolVersion, Z_ProtocolVersion_3);
331 std::list<std::string> dblist;
332 mp_util::split_zurl(zurl, host, dblist);
333 mp_util::set_vhost_otherinfo(&init_req->otherInfo, odr_en, host, 1);
336 z3950_package.request() = apdu;
338 // send Z3950 package
339 z3950_package.move();
341 // dead Z3950 backend detection
342 if (z3950_package.session().is_closed()){
343 yaz_add_srw_diagnostic(odr_en,
344 &(sru_pdu_res->u.response->diagnostics),
345 &(sru_pdu_res->u.response->num_diagnostics),
346 YAZ_SRW_SYSTEM_TEMPORARILY_UNAVAILABLE, 0);
350 // check successful initResponse
351 Z_GDU *z3950_gdu = z3950_package.response().get();
353 if (z3950_gdu && z3950_gdu->which == Z_GDU_Z3950
354 && z3950_gdu->u.z3950->which == Z_APDU_initResponse
355 && *z3950_gdu->u.z3950->u.initResponse->result)
358 yaz_add_srw_diagnostic(odr_en,
359 &(sru_pdu_res->u.response->diagnostics),
360 &(sru_pdu_res->u.response->num_diagnostics),
361 YAZ_SRW_SYSTEM_TEMPORARILY_UNAVAILABLE, 0);
366 yf::SRUtoZ3950::Impl::z3950_close_request(mp::Package &package) const
368 // prepare and close Z3950 package
369 Package z3950_package(package.session(), package.origin());
370 z3950_package.copy_filter(package);
371 z3950_package.session().close();
374 //mp::odr odr_en(ODR_ENCODE);
375 //Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_close);
376 //z3950_package.request() = apdu;
378 z3950_package.move();
380 // check successful close response
381 //Z_GDU *z3950_gdu = z3950_package.response().get();
382 //if (z3950_gdu && z3950_gdu->which == Z_GDU_Z3950
383 // && z3950_gdu->u.z3950->which == Z_APDU_close)
386 if (z3950_package.session().is_closed()){
392 bool yf::SRUtoZ3950::Impl::z3950_search_request(mp::Package &package,
394 Z_SRW_PDU *sru_pdu_res,
395 Z_SRW_searchRetrieveRequest
397 std::string zurl) const
400 assert(sru_pdu_res->u.response);
402 Package z3950_package(package.session(), package.origin());
403 z3950_package.copy_filter(package);
405 //add stuff in z3950 apdu
406 Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_searchRequest);
407 Z_SearchRequest *z_searchRequest = apdu->u.searchRequest;
410 if (!mp_util::set_databases_from_zurl(odr_en, zurl,
411 &z_searchRequest->num_databaseNames,
412 &z_searchRequest->databaseNames))
414 z_searchRequest->num_databaseNames = 1;
415 z_searchRequest->databaseNames = (char**)
416 odr_malloc(odr_en, sizeof(char *));
418 if (sr_req->database)
419 z_searchRequest->databaseNames[0]
420 = odr_strdup(odr_en, const_cast<char *>(sr_req->database));
422 z_searchRequest->databaseNames[0]
423 = odr_strdup(odr_en, "Default");
427 Z_Query *z_query = (Z_Query *) odr_malloc(odr_en, sizeof(Z_Query));
428 z_searchRequest->query = z_query;
430 if (!z3950_build_query(odr_en, z_query,
431 (const SRW_query&)sr_req->query,
434 yaz_add_srw_diagnostic(odr_en,
435 &(sru_pdu_res->u.response->diagnostics),
436 &(sru_pdu_res->u.response->num_diagnostics),
441 z3950_package.request() = apdu;
443 // send Z39.50 package off to backend
444 z3950_package.move();
447 Z_GDU *z3950_gdu = z3950_package.response().get();
449 //TODO: check success condition
450 //int yaz_diag_bib1_to_srw (int bib1_code);
451 //int yaz_diag_srw_to_bib1(int srw_code);
452 //Se kode i src/seshigh.c (srw_bend_search, srw_bend_init).
454 if (!z3950_gdu || z3950_gdu->which != Z_GDU_Z3950
455 || z3950_gdu->u.z3950->which != Z_APDU_searchResponse
456 || !z3950_gdu->u.z3950->u.searchResponse
457 || !z3950_gdu->u.z3950->u.searchResponse->searchStatus)
459 yaz_add_srw_diagnostic(odr_en,
460 &(sru_pdu_res->u.response->diagnostics),
461 &(sru_pdu_res->u.response->num_diagnostics),
466 // everything fine, continuing
467 Z_SearchResponse *sr = z3950_gdu->u.z3950->u.searchResponse;
469 // checking non surrogate diagnostics in Z3950 search response package
470 if (!z3950_to_srw_diagnostics_ok(odr_en, sru_pdu_res->u.response,
476 // Finally, roll on and srw'fy number of records
477 sru_pdu_res->u.response->numberOfRecords
478 = (int *) odr_malloc(odr_en, sizeof(int *));
479 *(sru_pdu_res->u.response->numberOfRecords) = *(sr->resultCount);
481 // srw'fy nextRecordPosition
482 //sru_pdu_res->u.response->nextRecordPosition
483 // = (int *) odr_malloc(odr_en, sizeof(int *));
484 //*(sru_pdu_res->u.response->nextRecordPosition) = 1;
490 yf::SRUtoZ3950::Impl::z3950_present_request(mp::Package &package,
492 Z_SRW_PDU *sru_pdu_res,
493 Z_SRW_searchRetrieveRequest
497 assert(sru_pdu_res->u.response);
504 if (sr_req->maximumRecords)
505 max_recs = *sr_req->maximumRecords;
506 if (sr_req->startRecord)
507 start = *sr_req->startRecord;
509 // no need to work if nobody wants record ..
513 bool send_z3950_present = true;
515 // recordXPath unsupported.
516 if (sr_req->recordXPath)
518 send_z3950_present = false;
519 yaz_add_srw_diagnostic(odr_en,
520 &(sru_pdu_res->u.response->diagnostics),
521 &(sru_pdu_res->u.response->num_diagnostics),
522 YAZ_SRW_XPATH_RETRIEVAL_UNSUPP, 0);
525 // resultSetTTL unsupported.
526 // resultSetIdleTime in response
527 if (sr_req->resultSetTTL)
529 send_z3950_present = false;
530 yaz_add_srw_diagnostic(odr_en,
531 &(sru_pdu_res->u.response->diagnostics),
532 &(sru_pdu_res->u.response->num_diagnostics),
533 YAZ_SRW_RESULT_SETS_UNSUPP, 0);
537 if (sr_req->sort_type != Z_SRW_sort_type_none)
539 send_z3950_present = false;
540 yaz_add_srw_diagnostic(odr_en,
541 &(sru_pdu_res->u.response->diagnostics),
542 &(sru_pdu_res->u.response->num_diagnostics),
543 YAZ_SRW_SORT_UNSUPP, 0);
546 // start record requested negative, or larger than number of records
547 if (start < 0 || start > *sru_pdu_res->u.response->numberOfRecords)
549 send_z3950_present = false;
550 yaz_add_srw_diagnostic(odr_en,
551 &(sru_pdu_res->u.response->diagnostics),
552 &(sru_pdu_res->u.response->num_diagnostics),
553 YAZ_SRW_FIRST_RECORD_POSITION_OUT_OF_RANGE, 0);
556 // maximumRecords requested negative
559 send_z3950_present = false;
560 yaz_add_srw_diagnostic(odr_en,
561 &(sru_pdu_res->u.response->diagnostics),
562 &(sru_pdu_res->u.response->num_diagnostics),
563 YAZ_SRW_UNSUPP_PARAMETER_VALUE,
567 // exit on all these above diagnostics
568 if (!send_z3950_present)
571 // now packaging the z3950 present request
572 Package z3950_package(package.session(), package.origin());
573 z3950_package.copy_filter(package);
574 Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_presentRequest);
576 assert(apdu->u.presentRequest);
578 // z3950'fy start record position
579 *apdu->u.presentRequest->resultSetStartPoint = start;
581 // z3950'fy number of records requested
582 // protect against requesting records out of range
583 *apdu->u.presentRequest->numberOfRecordsRequested
585 *sru_pdu_res->u.response->numberOfRecords - start + 1);
587 // z3950'fy recordPacking
588 int record_packing = Z_SRW_recordPacking_XML;
589 if (sr_req->recordPacking && 's' == *(sr_req->recordPacking))
590 record_packing = Z_SRW_recordPacking_string;
592 // RecordSyntax will always be XML
593 apdu->u.presentRequest->preferredRecordSyntax
594 = odr_oiddup(odr_en, yaz_oid_recsyn_xml);
596 // z3950'fy record schema
597 if (sr_req->recordSchema)
599 apdu->u.presentRequest->recordComposition
600 = (Z_RecordComposition *)
601 odr_malloc(odr_en, sizeof(Z_RecordComposition));
602 apdu->u.presentRequest->recordComposition->which
603 = Z_RecordComp_simple;
604 apdu->u.presentRequest->recordComposition->u.simple
605 = mp_util::build_esn_from_schema(odr_en,
607 sr_req->recordSchema);
610 // z3950'fy time to live - flagged as diagnostics above
611 //if (sr_req->resultSetTTL)
613 // attaching Z3950 package to filter chain
614 z3950_package.request() = apdu;
616 // sending Z30.50 present request
617 z3950_package.move();
619 //check successful Z3950 present response
620 Z_GDU *z3950_gdu = z3950_package.response().get();
621 if (!z3950_gdu || z3950_gdu->which != Z_GDU_Z3950
622 || z3950_gdu->u.z3950->which != Z_APDU_presentResponse
623 || !z3950_gdu->u.z3950->u.presentResponse)
626 yaz_add_srw_diagnostic(odr_en,
627 &(sru_pdu_res->u.response->diagnostics),
628 &(sru_pdu_res->u.response->num_diagnostics),
629 YAZ_SRW_SYSTEM_TEMPORARILY_UNAVAILABLE, 0);
634 // everything fine, continuing
636 Z_PresentResponse *pr = z3950_gdu->u.z3950->u.presentResponse;
637 Z_SRW_searchRetrieveResponse *sru_res = sru_pdu_res->u.response;
640 // checking non surrogate diagnostics in Z3950 present response package
641 if (!z3950_to_srw_diagnostics_ok(odr_en, sru_pdu_res->u.response,
647 // copy all records if existing
648 if (pr->records && pr->records->which == Z_Records_DBOSD)
650 // srw'fy number of returned records
652 = pr->records->u.databaseOrSurDiagnostics->num_records;
655 = (Z_SRW_record *) odr_malloc(odr_en,
657 * sizeof(Z_SRW_record));
660 // srw'fy nextRecordPosition
661 // next position never zero or behind the last z3950 record
662 if (pr->nextResultSetPosition
663 && *(pr->nextResultSetPosition) > 0
664 && *(pr->nextResultSetPosition)
665 <= *(sru_pdu_res->u.response->numberOfRecords))
666 sru_res->nextRecordPosition
667 = odr_intdup(odr_en, *(pr->nextResultSetPosition));
669 // inserting all records
670 for (int i = 0; i < sru_res->num_records; i++)
672 int position = i + *apdu->u.presentRequest->resultSetStartPoint;
673 Z_NamePlusRecord *npr
674 = pr->records->u.databaseOrSurDiagnostics->records[i];
676 sru_res->records[i].recordPacking = record_packing;
678 if (npr->which == Z_NamePlusRecord_databaseRecord &&
679 npr->u.databaseRecord->direct_reference
680 && !oid_oidcmp(npr->u.databaseRecord->direct_reference,
683 // got XML record back
684 Z_External *r = npr->u.databaseRecord;
685 sru_res->records[i].recordPosition =
686 odr_intdup(odr_en, position);
687 sru_res->records[i].recordSchema = sr_req->recordSchema;
688 sru_res->records[i].recordData_buf
689 = odr_strdupn(odr_en,
690 (const char *)r->u.octet_aligned->buf,
691 r->u.octet_aligned->len);
692 sru_res->records[i].recordData_len
693 = r->u.octet_aligned->len;
697 // not XML or no database record at all
698 yaz_mk_sru_surrogate(
699 odr_en, sru_res->records + i, position,
700 YAZ_SRW_RECORD_NOT_AVAILABLE_IN_THIS_SCHEMA, 0);
709 yf::SRUtoZ3950::Impl::z3950_scan_request(mp::Package &package,
711 Z_SRW_PDU *sru_pdu_res,
712 Z_SRW_scanRequest const *sr_req) const
714 assert(sru_pdu_res->u.scan_response);
716 Package z3950_package(package.session(), package.origin());
717 z3950_package.copy_filter(package);
718 //mp::odr odr_en(ODR_ENCODE);
719 Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_scanRequest);
721 //TODO: add stuff in apdu
722 Z_ScanRequest *z_scanRequest = apdu->u.scanRequest;
724 // database repackaging
725 z_scanRequest->num_databaseNames = 1;
726 z_scanRequest->databaseNames = (char**)
727 odr_malloc(odr_en, sizeof(char *));
728 if (sr_req->database)
729 z_scanRequest->databaseNames[0]
730 = odr_strdup(odr_en, const_cast<char *>(sr_req->database));
732 z_scanRequest->databaseNames[0]
733 = odr_strdup(odr_en, "Default");
737 // CQL or XCQL scan is not possible in Z3950, flagging a diagnostic
738 if (sr_req->query_type != Z_SRW_query_type_pqf)
740 //send_to_srw_client_error(7, "query");
744 // PQF query repackaging
745 // need to use Z_AttributesPlusTerm structure, not Z_Query
746 // this can be digget out of a
747 // Z_query->type1(Z_RPNQuery)->RPNStructure(Z_RPNStructure)
748 // ->u.simple(Z_Operand)->u.attributesPlusTerm(Z_AttributesPlusTerm )
750 //Z_Query *z_query = (Z_Query *) odr_malloc(odr_en, sizeof(Z_Query));
751 //z_searchRequest->query = z_query;
753 //if (!z3950_build_query(odr_en, z_query,
754 // (const SRW_query&)sr_req->query,
755 // sr_req->query_type))
757 //send_to_srw_client_error(7, "query");
763 z3950_package.request() = apdu;
764 std::cout << "z3950_scan_request " << *apdu << "\n";
766 z3950_package.move();
767 //TODO: check success condition
772 bool yf::SRUtoZ3950::Impl::z3950_build_query(mp::odr &odr_en, Z_Query *z_query,
773 const SRW_query &query,
774 SRW_query_type query_type) const
776 if (query_type == Z_SRW_query_type_cql)
778 Z_External *ext = (Z_External *)
779 odr_malloc(odr_en, sizeof(*ext));
780 ext->direct_reference =
781 odr_getoidbystr(odr_en, "1.2.840.10003.16.2");
782 ext->indirect_reference = 0;
784 ext->which = Z_External_CQL;
785 ext->u.cql = const_cast<char *>(query.cql);
787 z_query->which = Z_Query_type_104;
788 z_query->u.type_104 = ext;
792 if (query_type == Z_SRW_query_type_pqf)
794 Z_RPNQuery *RPNquery;
795 YAZ_PQF_Parser pqf_parser;
797 pqf_parser = yaz_pqf_create ();
799 RPNquery = yaz_pqf_parse (pqf_parser, odr_en, query.pqf);
802 std::cout << "TODO: Handeling of bad PQF\n";
803 std::cout << "TODO: Diagnostic to be send\n";
805 z_query->which = Z_Query_type_1;
806 z_query->u.type_1 = RPNquery;
808 yaz_pqf_destroy(pqf_parser);
816 yf::SRUtoZ3950::Impl::z3950_to_srw_diagnostics_ok(mp::odr &odr_en,
817 Z_SRW_searchRetrieveResponse
819 Z_Records *records) const
821 // checking non surrogate diagnostics in Z3950 present response package
823 && records->which == Z_Records_NSD
824 && records->u.nonSurrogateDiagnostic)
826 z3950_to_srw_diag(odr_en, sru_res,
827 records->u.nonSurrogateDiagnostic);
835 yf::SRUtoZ3950::Impl::z3950_to_srw_diag(mp::odr &odr_en,
836 Z_SRW_searchRetrieveResponse *sru_res,
837 Z_DefaultDiagFormat *ddf) const
839 int bib1_code = *ddf->condition;
840 sru_res->num_diagnostics = 1;
841 sru_res->diagnostics = (Z_SRW_diagnostic *)
842 odr_malloc(odr_en, sizeof(*sru_res->diagnostics));
843 yaz_mk_std_diagnostic(odr_en, sru_res->diagnostics,
844 yaz_diag_bib1_to_srw(bib1_code),
851 static mp::filter::Base* filter_creator()
853 return new mp::filter::SRUtoZ3950;
857 struct metaproxy_1_filter_struct metaproxy_1_filter_sru_to_z3950 = {
868 * indent-tabs-mode: nil
869 * c-file-style: "stroustrup"
871 * vim: shiftwidth=4 tabstop=8 expandtab