1 /* $Id: filter_sru_to_z3950.cpp,v 1.29 2007-01-25 14:05:54 adam Exp $
2 Copyright (c) 2005-2007, Index Data.
4 See the LICENSE file for details
11 #include "gduutil.hpp"
12 #include "sru_util.hpp"
13 #include "filter_sru_to_z3950.hpp"
16 #include <yaz/z-core.h>
18 #include <yaz/pquery.h>
20 #include <boost/thread/mutex.hpp>
28 namespace mp = metaproxy_1;
29 namespace mp_util = metaproxy_1::util;
30 namespace yf = mp::filter;
33 namespace metaproxy_1 {
35 class SRUtoZ3950::Impl {
37 void configure(const xmlNode *xmlnode);
38 void process(metaproxy_1::Package &package);
40 union SRW_query {char * cql; char * xcql; char * pqf;};
41 typedef const int& SRW_query_type;
42 std::map<std::string, const xmlNode *> m_database_explain;
45 bool z3950_build_query(mp::odr &odr_en, Z_Query *z_query,
46 const SRW_query &query,
47 SRW_query_type query_type) const;
49 bool z3950_init_request(mp::Package &package,
51 Z_SRW_PDU *sru_pdu_res,
53 &database = "Default") const;
55 bool z3950_close_request(mp::Package &package) const;
57 bool z3950_search_request(mp::Package &package,
59 Z_SRW_PDU *sru_pdu_res,
60 Z_SRW_searchRetrieveRequest
63 bool z3950_present_request(mp::Package &package,
65 Z_SRW_PDU *sru_pdu_res,
66 Z_SRW_searchRetrieveRequest
69 bool z3950_scan_request(mp::Package &package,
71 Z_SRW_PDU *sru_pdu_res,
75 bool z3950_to_srw_diagnostics_ok(mp::odr &odr_en,
76 Z_SRW_searchRetrieveResponse *srw_res,
77 Z_Records *records) const;
79 int z3950_to_srw_diag(mp::odr &odr_en,
80 Z_SRW_searchRetrieveResponse *srw_res,
81 Z_DefaultDiagFormat *ddf) const;
86 yf::SRUtoZ3950::SRUtoZ3950() : m_p(new Impl)
90 yf::SRUtoZ3950::~SRUtoZ3950()
91 { // must have a destructor because of boost::scoped_ptr
94 void yf::SRUtoZ3950::configure(const xmlNode *xmlnode)
96 m_p->configure(xmlnode);
99 void yf::SRUtoZ3950::process(mp::Package &package) const
101 m_p->process(package);
104 void yf::SRUtoZ3950::Impl::configure(const xmlNode *confignode)
106 const xmlNode * dbnode;
108 for (dbnode = confignode->children; dbnode; dbnode = dbnode->next){
109 if (dbnode->type != XML_ELEMENT_NODE)
112 std::string database;
113 mp::xml::check_element_mp(dbnode, "database");
115 for (struct _xmlAttr *attr = dbnode->properties;
116 attr; attr = attr->next){
118 mp::xml::check_attribute(attr, "", "name");
119 database = mp::xml::get_text(attr);
121 const xmlNode *explainnode;
122 for (explainnode = dbnode->children;
123 explainnode; explainnode = explainnode->next){
124 if (explainnode->type != XML_ELEMENT_NODE)
129 // assigning explain node to database name - no check yet
130 m_database_explain.insert(std::make_pair(database, explainnode));
135 void yf::SRUtoZ3950::Impl::process(mp::Package &package)
137 Z_GDU *zgdu_req = package.request().get();
139 // ignoring all non HTTP_Request packages
140 if (!zgdu_req || !(zgdu_req->which == Z_GDU_HTTP_Request)){
145 // only working on HTTP_Request packages now
149 mp::odr odr_de(ODR_DECODE);
150 Z_SRW_PDU *sru_pdu_req = 0;
152 mp::odr odr_en(ODR_ENCODE);
153 Z_SRW_PDU *sru_pdu_res = yaz_srw_get(odr_en, Z_SRW_explain_response);
155 // determine database with the HTTP header information only
156 mp_util::SRUServerInfo sruinfo = mp_util::get_sru_server_info(package);
157 std::map<std::string, const xmlNode *>::iterator idbexp;
158 idbexp = m_database_explain.find(sruinfo.database);
160 // assign explain config XML DOM node if database is known
161 const xmlNode *explainnode = 0;
162 if (idbexp != m_database_explain.end()){
163 explainnode = idbexp->second;
165 // just moving package if database is not known
172 // decode SRU request
175 char *stylesheet = 0;
177 // filter acts as sink for non-valid SRU requests
178 if (! (sru_pdu_req = mp_util::decode_sru_request(package, odr_de, odr_en,
180 charset, stylesheet)))
182 mp_util::build_sru_explain(package, odr_en, sru_pdu_res,
183 sruinfo, explainnode);
184 mp_util::build_sru_response(package, odr_en, soap,
185 sru_pdu_res, charset, stylesheet);
186 package.session().close();
190 // filter acts as sink for SRU explain requests
191 if (sru_pdu_req && sru_pdu_req->which == Z_SRW_explain_request)
193 Z_SRW_explainRequest *er_req = sru_pdu_req->u.explain_request;
194 //mp_util::build_simple_explain(package, odr_en, sru_pdu_res,
196 mp_util::build_sru_explain(package, odr_en, sru_pdu_res,
197 sruinfo, explainnode, er_req);
198 mp_util::build_sru_response(package, odr_en, soap,
199 sru_pdu_res, charset, stylesheet);
205 && sru_pdu_req->which == Z_SRW_searchRetrieve_request
206 && sru_pdu_req->u.request)
208 Z_SRW_searchRetrieveRequest *sr_req = sru_pdu_req->u.request;
210 sru_pdu_res = yaz_srw_get(odr_en, Z_SRW_searchRetrieve_response);
212 // checking that we have a query
213 ok = mp_util::check_sru_query_exists(package, odr_en,
214 sru_pdu_res, sr_req);
216 if (ok && z3950_init_request(package, odr_en, sru_pdu_res))
219 ok = z3950_search_request(package, odr_en,
220 sru_pdu_res, sr_req);
223 && sru_pdu_res->u.response->numberOfRecords
224 && *(sru_pdu_res->u.response->numberOfRecords)
225 && sr_req->maximumRecords
226 && *(sr_req->maximumRecords))
228 ok = z3950_present_request(package, odr_en,
231 z3950_close_request(package);
238 && sru_pdu_req->which == Z_SRW_scan_request
239 && sru_pdu_req->u.scan_request)
241 Z_SRW_scanRequest *sr_req = sru_pdu_req->u.scan_request;
243 sru_pdu_res = yaz_srw_get(odr_en, Z_SRW_scan_response);
245 // we do not do scan at the moment, therefore issuing a diagnostic
246 yaz_add_srw_diagnostic(odr_en,
247 &(sru_pdu_res->u.scan_response->diagnostics),
248 &(sru_pdu_res->u.scan_response->num_diagnostics),
251 // to be used when we do scan
252 if (false && z3950_init_request(package, odr_en, sru_pdu_res))
254 z3950_scan_request(package, odr_en, sru_pdu_res, sr_req);
255 z3950_close_request(package);
260 //std::cout << "SRU OPERATION NOT SUPPORTED \n";
261 sru_pdu_res = yaz_srw_get(odr_en, Z_SRW_explain_response);
263 // TODO: make nice diagnostic return package
264 package.session().close();
268 // build and send SRU response
269 mp_util::build_sru_response(package, odr_en, soap,
270 sru_pdu_res, charset, stylesheet);
277 yf::SRUtoZ3950::Impl::z3950_init_request(mp::Package &package,
279 Z_SRW_PDU *sru_pdu_res,
280 const std::string &database) const
282 // prepare Z3950 package
283 Package z3950_package(package.session(), package.origin());
284 z3950_package.copy_filter(package);
286 // set initRequest APDU
287 Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_initRequest);
288 Z_InitRequest *init_req = apdu->u.initRequest;
289 //TODO: add user name in apdu
290 //TODO: add user passwd in apdu
291 //init_req->idAuthentication = org_init->idAuthentication;
292 //init_req->implementationId = "IDxyz";
293 //init_req->implementationName = "NAMExyz";
294 //init_req->implementationVersion = "VERSIONxyz";
296 ODR_MASK_SET(init_req->options, Z_Options_search);
297 ODR_MASK_SET(init_req->options, Z_Options_present);
298 ODR_MASK_SET(init_req->options, Z_Options_namedResultSets);
299 ODR_MASK_SET(init_req->options, Z_Options_scan);
301 ODR_MASK_SET(init_req->protocolVersion, Z_ProtocolVersion_1);
302 ODR_MASK_SET(init_req->protocolVersion, Z_ProtocolVersion_2);
303 ODR_MASK_SET(init_req->protocolVersion, Z_ProtocolVersion_3);
305 z3950_package.request() = apdu;
307 // send Z3950 package
308 z3950_package.move();
310 // dead Z3950 backend detection
311 if (z3950_package.session().is_closed()){
312 yaz_add_srw_diagnostic(odr_en,
313 &(sru_pdu_res->u.response->diagnostics),
314 &(sru_pdu_res->u.response->num_diagnostics),
316 package.session().close();
320 // check successful initResponse
321 Z_GDU *z3950_gdu = z3950_package.response().get();
323 if (z3950_gdu && z3950_gdu->which == Z_GDU_Z3950
324 && z3950_gdu->u.z3950->which == Z_APDU_initResponse
325 && *z3950_gdu->u.z3950->u.initResponse->result)
328 yaz_add_srw_diagnostic(odr_en,
329 &(sru_pdu_res->u.response->diagnostics),
330 &(sru_pdu_res->u.response->num_diagnostics),
332 package.session().close();
337 yf::SRUtoZ3950::Impl::z3950_close_request(mp::Package &package) const
340 package.session().close();
342 // prepare and close Z3950 package
343 Package z3950_package(package.session(), package.origin());
344 z3950_package.copy_filter(package);
345 z3950_package.session().close();
348 //mp::odr odr_en(ODR_ENCODE);
349 //Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_close);
350 //z3950_package.request() = apdu;
352 z3950_package.move();
354 // check successful close response
355 //Z_GDU *z3950_gdu = z3950_package.response().get();
356 //if (z3950_gdu && z3950_gdu->which == Z_GDU_Z3950
357 // && z3950_gdu->u.z3950->which == Z_APDU_close)
360 if (z3950_package.session().is_closed()){
367 yf::SRUtoZ3950::Impl::z3950_search_request(mp::Package &package,
369 Z_SRW_PDU *sru_pdu_res,
370 Z_SRW_searchRetrieveRequest
374 assert(sru_pdu_res->u.response);
376 Package z3950_package(package.session(), package.origin());
377 z3950_package.copy_filter(package);
379 //add stuff in z3950 apdu
380 Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_searchRequest);
381 Z_SearchRequest *z_searchRequest = apdu->u.searchRequest;
384 z_searchRequest->num_databaseNames = 1;
385 z_searchRequest->databaseNames = (char**)
386 odr_malloc(odr_en, sizeof(char *));
388 if (sr_req->database)
389 z_searchRequest->databaseNames[0]
390 = odr_strdup(odr_en, const_cast<char *>(sr_req->database));
392 z_searchRequest->databaseNames[0]
393 = odr_strdup(odr_en, "Default");
397 Z_Query *z_query = (Z_Query *) odr_malloc(odr_en, sizeof(Z_Query));
398 z_searchRequest->query = z_query;
400 if (!z3950_build_query(odr_en, z_query,
401 (const SRW_query&)sr_req->query,
404 yaz_add_srw_diagnostic(odr_en,
405 &(sru_pdu_res->u.response->diagnostics),
406 &(sru_pdu_res->u.response->num_diagnostics),
411 z3950_package.request() = apdu;
413 // send Z39.50 package off to backend
414 z3950_package.move();
417 Z_GDU *z3950_gdu = z3950_package.response().get();
419 //TODO: check success condition
420 //int yaz_diag_bib1_to_srw (int bib1_code);
421 //int yaz_diag_srw_to_bib1(int srw_code);
422 //Se kode i src/seshigh.c (srw_bend_search, srw_bend_init).
424 if (!z3950_gdu || z3950_gdu->which != Z_GDU_Z3950
425 || z3950_gdu->u.z3950->which != Z_APDU_searchResponse
426 || !z3950_gdu->u.z3950->u.searchResponse
427 || !z3950_gdu->u.z3950->u.searchResponse->searchStatus)
429 yaz_add_srw_diagnostic(odr_en,
430 &(sru_pdu_res->u.response->diagnostics),
431 &(sru_pdu_res->u.response->num_diagnostics),
433 package.session().close();
437 // everything fine, continuing
438 Z_SearchResponse *sr = z3950_gdu->u.z3950->u.searchResponse;
440 // checking non surrogate diagnostics in Z3950 search response package
441 if (!z3950_to_srw_diagnostics_ok(odr_en, sru_pdu_res->u.response,
447 // Finally, roll on and srw'fy number of records
448 sru_pdu_res->u.response->numberOfRecords
449 = (int *) odr_malloc(odr_en, sizeof(int *));
450 *(sru_pdu_res->u.response->numberOfRecords) = *(sr->resultCount);
452 // srw'fy nextRecordPosition
453 //sru_pdu_res->u.response->nextRecordPosition
454 // = (int *) odr_malloc(odr_en, sizeof(int *));
455 //*(sru_pdu_res->u.response->nextRecordPosition) = 1;
461 yf::SRUtoZ3950::Impl::z3950_present_request(mp::Package &package,
463 Z_SRW_PDU *sru_pdu_res,
464 Z_SRW_searchRetrieveRequest
468 assert(sru_pdu_res->u.response);
474 // no need to work if nobody wants record ..
475 if (!(sr_req->maximumRecords) || 0 == *(sr_req->maximumRecords))
478 bool send_z3950_present = true;
480 // recordXPath unsupported.
481 if (sr_req->recordXPath)
483 send_z3950_present = false;
484 yaz_add_srw_diagnostic(odr_en,
485 &(sru_pdu_res->u.response->diagnostics),
486 &(sru_pdu_res->u.response->num_diagnostics),
490 // resultSetTTL unsupported.
491 // resultSetIdleTime in response
492 if (sr_req->resultSetTTL)
494 send_z3950_present = false;
495 yaz_add_srw_diagnostic(odr_en,
496 &(sru_pdu_res->u.response->diagnostics),
497 &(sru_pdu_res->u.response->num_diagnostics),
502 if (sr_req->sort_type != Z_SRW_sort_type_none)
504 send_z3950_present = false;
505 yaz_add_srw_diagnostic(odr_en,
506 &(sru_pdu_res->u.response->diagnostics),
507 &(sru_pdu_res->u.response->num_diagnostics),
511 // start record requested negative, or larger than number of records
512 if (sr_req->startRecord
514 ((*(sr_req->startRecord) < 0) // negative
516 (sru_pdu_res->u.response->numberOfRecords //out of range
517 && *(sr_req->startRecord)
518 > *(sru_pdu_res->u.response->numberOfRecords))
521 send_z3950_present = false;
522 yaz_add_srw_diagnostic(odr_en,
523 &(sru_pdu_res->u.response->diagnostics),
524 &(sru_pdu_res->u.response->num_diagnostics),
528 // maximumRecords requested negative
529 if (sr_req->maximumRecords
530 && *(sr_req->maximumRecords) < 0)
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),
537 6, "maximumRecords");
540 // exit on all these above diagnostics
541 if (!send_z3950_present)
544 // now packaging the z3950 present request
545 Package z3950_package(package.session(), package.origin());
546 z3950_package.copy_filter(package);
547 Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_presentRequest);
549 assert(apdu->u.presentRequest);
551 // z3950'fy start record position
552 if (sr_req->startRecord)
553 *(apdu->u.presentRequest->resultSetStartPoint)
554 = *(sr_req->startRecord);
556 *(apdu->u.presentRequest->resultSetStartPoint) = 1;
558 // z3950'fy number of records requested
559 // protect against requesting records out of range
560 if (sr_req->maximumRecords)
561 *(apdu->u.presentRequest->numberOfRecordsRequested)
562 = std::min(*(sr_req->maximumRecords),
563 *(sru_pdu_res->u.response->numberOfRecords)
564 - *(apdu->u.presentRequest->resultSetStartPoint)
567 // z3950'fy recordPacking
568 int record_packing = Z_SRW_recordPacking_XML;
569 if (sr_req->recordPacking && 's' == *(sr_req->recordPacking))
570 record_packing = Z_SRW_recordPacking_string;
572 // RecordSyntax will always be XML
573 (apdu->u.presentRequest->preferredRecordSyntax)
574 = yaz_oidval_to_z3950oid (odr_en, CLASS_RECSYN, VAL_TEXT_XML);
576 // z3950'fy record schema
577 if (sr_req->recordSchema)
579 apdu->u.presentRequest->recordComposition
580 = (Z_RecordComposition *)
581 odr_malloc(odr_en, sizeof(Z_RecordComposition));
582 apdu->u.presentRequest->recordComposition->which
583 = Z_RecordComp_simple;
584 apdu->u.presentRequest->recordComposition->u.simple
585 = mp_util::build_esn_from_schema(odr_en,
586 (const char *) sr_req->recordSchema);
589 // z3950'fy time to live - flagged as diagnostics above
590 //if (sr_req->resultSetTTL)
592 // attaching Z3950 package to filter chain
593 z3950_package.request() = apdu;
595 // sending Z30.50 present request
596 z3950_package.move();
598 //check successful Z3950 present response
599 Z_GDU *z3950_gdu = z3950_package.response().get();
600 if (!z3950_gdu || z3950_gdu->which != Z_GDU_Z3950
601 || z3950_gdu->u.z3950->which != Z_APDU_presentResponse
602 || !z3950_gdu->u.z3950->u.presentResponse)
605 yaz_add_srw_diagnostic(odr_en,
606 &(sru_pdu_res->u.response->diagnostics),
607 &(sru_pdu_res->u.response->num_diagnostics),
609 package.session().close();
614 // everything fine, continuing
616 Z_PresentResponse *pr = z3950_gdu->u.z3950->u.presentResponse;
617 Z_SRW_searchRetrieveResponse *sru_res = sru_pdu_res->u.response;
620 // checking non surrogate diagnostics in Z3950 present response package
621 if (!z3950_to_srw_diagnostics_ok(odr_en, sru_pdu_res->u.response,
627 // copy all records if existing
628 if (pr->records && pr->records->which == Z_Records_DBOSD)
630 // srw'fy number of returned records
632 = pr->records->u.databaseOrSurDiagnostics->num_records;
635 = (Z_SRW_record *) odr_malloc(odr_en,
637 * sizeof(Z_SRW_record));
640 // srw'fy nextRecordPosition
641 // next position never zero or behind the last z3950 record
642 if (pr->nextResultSetPosition
643 && *(pr->nextResultSetPosition) > 0
644 && *(pr->nextResultSetPosition)
645 <= *(sru_pdu_res->u.response->numberOfRecords))
646 sru_res->nextRecordPosition
647 = odr_intdup(odr_en, *(pr->nextResultSetPosition));
649 // inserting all records
650 for (int i = 0; i < sru_res->num_records; i++)
652 Z_NamePlusRecord *npr
653 = pr->records->u.databaseOrSurDiagnostics->records[i];
655 sru_res->records[i].recordPosition
657 i + *(apdu->u.presentRequest->resultSetStartPoint));
659 sru_res->records[i].recordPacking = record_packing;
661 if (npr->which != Z_NamePlusRecord_databaseRecord)
663 sru_res->records[i].recordSchema = "diagnostic";
664 sru_res->records[i].recordData_buf = "67";
665 sru_res->records[i].recordData_len = 2;
669 Z_External *r = npr->u.databaseRecord;
670 oident *ent = oid_getentbyoid(r->direct_reference);
671 if (r->which == Z_External_octet
672 && ent->value == VAL_TEXT_XML)
674 sru_res->records[i].recordSchema = "dc";
675 sru_res->records[i].recordData_buf
676 = odr_strdupn(odr_en,
677 (const char *)r->u.octet_aligned->buf,
678 r->u.octet_aligned->len);
679 sru_res->records[i].recordData_len
680 = r->u.octet_aligned->len;
684 sru_res->records[i].recordSchema = "diagnostic";
685 sru_res->records[i].recordData_buf = "67";
686 sru_res->records[i].recordData_len = 2;
696 yf::SRUtoZ3950::Impl::z3950_scan_request(mp::Package &package,
698 Z_SRW_PDU *sru_pdu_res,
699 Z_SRW_scanRequest const *sr_req) const
701 assert(sru_pdu_res->u.scan_response);
703 Package z3950_package(package.session(), package.origin());
704 z3950_package.copy_filter(package);
705 //mp::odr odr_en(ODR_ENCODE);
706 Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_scanRequest);
708 //TODO: add stuff in apdu
709 Z_ScanRequest *z_scanRequest = apdu->u.scanRequest;
711 // database repackaging
712 z_scanRequest->num_databaseNames = 1;
713 z_scanRequest->databaseNames = (char**)
714 odr_malloc(odr_en, sizeof(char *));
715 if (sr_req->database)
716 z_scanRequest->databaseNames[0]
717 = odr_strdup(odr_en, const_cast<char *>(sr_req->database));
719 z_scanRequest->databaseNames[0]
720 = odr_strdup(odr_en, "Default");
724 // CQL or XCQL scan is not possible in Z3950, flagging a diagnostic
725 if (sr_req->query_type != Z_SRW_query_type_pqf)
727 //send_to_srw_client_error(7, "query");
731 // PQF query repackaging
732 // need to use Z_AttributesPlusTerm structure, not Z_Query
733 // this can be digget out of a
734 // Z_query->type1(Z_RPNQuery)->RPNStructure(Z_RPNStructure)
735 // ->u.simple(Z_Operand)->u.attributesPlusTerm(Z_AttributesPlusTerm )
737 //Z_Query *z_query = (Z_Query *) odr_malloc(odr_en, sizeof(Z_Query));
738 //z_searchRequest->query = z_query;
740 //if (!z3950_build_query(odr_en, z_query,
741 // (const SRW_query&)sr_req->query,
742 // sr_req->query_type))
744 //send_to_srw_client_error(7, "query");
750 z3950_package.request() = apdu;
751 std::cout << "z3950_scan_request " << *apdu << "\n";
753 z3950_package.move();
754 //TODO: check success condition
759 bool yf::SRUtoZ3950::Impl::z3950_build_query(mp::odr &odr_en, Z_Query *z_query,
760 const SRW_query &query,
761 SRW_query_type query_type) const
763 if (query_type == Z_SRW_query_type_cql)
765 Z_External *ext = (Z_External *)
766 odr_malloc(odr_en, sizeof(*ext));
767 ext->direct_reference =
768 odr_getoidbystr(odr_en, "1.2.840.10003.16.2");
769 ext->indirect_reference = 0;
771 ext->which = Z_External_CQL;
772 ext->u.cql = const_cast<char *>(query.cql);
774 z_query->which = Z_Query_type_104;
775 z_query->u.type_104 = ext;
779 if (query_type == Z_SRW_query_type_pqf)
781 Z_RPNQuery *RPNquery;
782 YAZ_PQF_Parser pqf_parser;
784 pqf_parser = yaz_pqf_create ();
786 RPNquery = yaz_pqf_parse (pqf_parser, odr_en, query.pqf);
789 std::cout << "TODO: Handeling of bad PQF\n";
790 std::cout << "TODO: Diagnostic to be send\n";
792 z_query->which = Z_Query_type_1;
793 z_query->u.type_1 = RPNquery;
795 yaz_pqf_destroy(pqf_parser);
803 yf::SRUtoZ3950::Impl::z3950_to_srw_diagnostics_ok(mp::odr &odr_en,
804 Z_SRW_searchRetrieveResponse
806 Z_Records *records) const
808 // checking non surrogate diagnostics in Z3950 present response package
810 && records->which == Z_Records_NSD
811 && records->u.nonSurrogateDiagnostic)
813 z3950_to_srw_diag(odr_en, sru_res,
814 records->u.nonSurrogateDiagnostic);
822 yf::SRUtoZ3950::Impl::z3950_to_srw_diag(mp::odr &odr_en,
823 Z_SRW_searchRetrieveResponse *sru_res,
824 Z_DefaultDiagFormat *ddf) const
826 int bib1_code = *ddf->condition;
827 sru_res->num_diagnostics = 1;
828 sru_res->diagnostics = (Z_SRW_diagnostic *)
829 odr_malloc(odr_en, sizeof(*sru_res->diagnostics));
830 yaz_mk_std_diagnostic(odr_en, sru_res->diagnostics,
831 yaz_diag_bib1_to_srw(bib1_code),
838 static mp::filter::Base* filter_creator()
840 return new mp::filter::SRUtoZ3950;
844 struct metaproxy_1_filter_struct metaproxy_1_filter_sru_to_z3950 = {
855 * indent-tabs-mode: nil
856 * c-file-style: "stroustrup"
858 * vim: shiftwidth=4 tabstop=8 expandtab