1 /* $Id: filter_sru_to_z3950.cpp,v 1.31 2007-03-20 07:05:10 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)))
184 mp_util::build_sru_explain(package, odr_en, sru_pdu_res,
185 sruinfo, explainnode);
186 mp_util::build_sru_response(package, odr_en, soap,
187 sru_pdu_res, charset, stylesheet);
191 metaproxy_1::odr odr;
193 odr.create_HTTP_Response(package.session(),
194 zgdu_req->u.HTTP_Request, 400);
195 package.response() = zgdu_res;
200 // filter acts as sink for SRU explain requests
201 if (sru_pdu_req && sru_pdu_req->which == Z_SRW_explain_request)
203 Z_SRW_explainRequest *er_req = sru_pdu_req->u.explain_request;
204 //mp_util::build_simple_explain(package, odr_en, sru_pdu_res,
206 mp_util::build_sru_explain(package, odr_en, sru_pdu_res,
207 sruinfo, explainnode, er_req);
208 mp_util::build_sru_response(package, odr_en, soap,
209 sru_pdu_res, charset, stylesheet);
215 && sru_pdu_req->which == Z_SRW_searchRetrieve_request
216 && sru_pdu_req->u.request)
218 Z_SRW_searchRetrieveRequest *sr_req = sru_pdu_req->u.request;
220 sru_pdu_res = yaz_srw_get(odr_en, Z_SRW_searchRetrieve_response);
222 // checking that we have a query
223 ok = mp_util::check_sru_query_exists(package, odr_en,
224 sru_pdu_res, sr_req);
226 if (ok && z3950_init_request(package, odr_en, sru_pdu_res))
229 ok = z3950_search_request(package, odr_en,
230 sru_pdu_res, sr_req);
233 && sru_pdu_res->u.response->numberOfRecords
234 && *(sru_pdu_res->u.response->numberOfRecords)
235 && sr_req->maximumRecords
236 && *(sr_req->maximumRecords))
238 ok = z3950_present_request(package, odr_en,
241 z3950_close_request(package);
248 && sru_pdu_req->which == Z_SRW_scan_request
249 && sru_pdu_req->u.scan_request)
251 Z_SRW_scanRequest *sr_req = sru_pdu_req->u.scan_request;
253 sru_pdu_res = yaz_srw_get(odr_en, Z_SRW_scan_response);
255 // we do not do scan at the moment, therefore issuing a diagnostic
256 yaz_add_srw_diagnostic(odr_en,
257 &(sru_pdu_res->u.scan_response->diagnostics),
258 &(sru_pdu_res->u.scan_response->num_diagnostics),
261 // to be used when we do scan
262 if (false && z3950_init_request(package, odr_en, sru_pdu_res))
264 z3950_scan_request(package, odr_en, sru_pdu_res, sr_req);
265 z3950_close_request(package);
270 //std::cout << "SRU OPERATION NOT SUPPORTED \n";
271 sru_pdu_res = yaz_srw_get(odr_en, Z_SRW_explain_response);
273 // TODO: make nice diagnostic return package
277 // build and send SRU response
278 mp_util::build_sru_response(package, odr_en, soap,
279 sru_pdu_res, charset, stylesheet);
286 yf::SRUtoZ3950::Impl::z3950_init_request(mp::Package &package,
288 Z_SRW_PDU *sru_pdu_res,
289 const std::string &database) const
291 // prepare Z3950 package
292 Package z3950_package(package.session(), package.origin());
293 z3950_package.copy_filter(package);
295 // set initRequest APDU
296 Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_initRequest);
297 Z_InitRequest *init_req = apdu->u.initRequest;
298 //TODO: add user name in apdu
299 //TODO: add user passwd in apdu
300 //init_req->idAuthentication = org_init->idAuthentication;
301 //init_req->implementationId = "IDxyz";
302 //init_req->implementationName = "NAMExyz";
303 //init_req->implementationVersion = "VERSIONxyz";
305 ODR_MASK_SET(init_req->options, Z_Options_search);
306 ODR_MASK_SET(init_req->options, Z_Options_present);
307 ODR_MASK_SET(init_req->options, Z_Options_namedResultSets);
308 ODR_MASK_SET(init_req->options, Z_Options_scan);
310 ODR_MASK_SET(init_req->protocolVersion, Z_ProtocolVersion_1);
311 ODR_MASK_SET(init_req->protocolVersion, Z_ProtocolVersion_2);
312 ODR_MASK_SET(init_req->protocolVersion, Z_ProtocolVersion_3);
314 z3950_package.request() = apdu;
316 // send Z3950 package
317 z3950_package.move();
319 // dead Z3950 backend detection
320 if (z3950_package.session().is_closed()){
321 yaz_add_srw_diagnostic(odr_en,
322 &(sru_pdu_res->u.response->diagnostics),
323 &(sru_pdu_res->u.response->num_diagnostics),
328 // check successful initResponse
329 Z_GDU *z3950_gdu = z3950_package.response().get();
331 if (z3950_gdu && z3950_gdu->which == Z_GDU_Z3950
332 && z3950_gdu->u.z3950->which == Z_APDU_initResponse
333 && *z3950_gdu->u.z3950->u.initResponse->result)
336 yaz_add_srw_diagnostic(odr_en,
337 &(sru_pdu_res->u.response->diagnostics),
338 &(sru_pdu_res->u.response->num_diagnostics),
344 yf::SRUtoZ3950::Impl::z3950_close_request(mp::Package &package) const
346 // prepare and close Z3950 package
347 Package z3950_package(package.session(), package.origin());
348 z3950_package.copy_filter(package);
349 z3950_package.session().close();
352 //mp::odr odr_en(ODR_ENCODE);
353 //Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_close);
354 //z3950_package.request() = apdu;
356 z3950_package.move();
358 // check successful close response
359 //Z_GDU *z3950_gdu = z3950_package.response().get();
360 //if (z3950_gdu && z3950_gdu->which == Z_GDU_Z3950
361 // && z3950_gdu->u.z3950->which == Z_APDU_close)
364 if (z3950_package.session().is_closed()){
371 yf::SRUtoZ3950::Impl::z3950_search_request(mp::Package &package,
373 Z_SRW_PDU *sru_pdu_res,
374 Z_SRW_searchRetrieveRequest
378 assert(sru_pdu_res->u.response);
380 Package z3950_package(package.session(), package.origin());
381 z3950_package.copy_filter(package);
383 //add stuff in z3950 apdu
384 Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_searchRequest);
385 Z_SearchRequest *z_searchRequest = apdu->u.searchRequest;
388 z_searchRequest->num_databaseNames = 1;
389 z_searchRequest->databaseNames = (char**)
390 odr_malloc(odr_en, sizeof(char *));
392 if (sr_req->database)
393 z_searchRequest->databaseNames[0]
394 = odr_strdup(odr_en, const_cast<char *>(sr_req->database));
396 z_searchRequest->databaseNames[0]
397 = odr_strdup(odr_en, "Default");
401 Z_Query *z_query = (Z_Query *) odr_malloc(odr_en, sizeof(Z_Query));
402 z_searchRequest->query = z_query;
404 if (!z3950_build_query(odr_en, z_query,
405 (const SRW_query&)sr_req->query,
408 yaz_add_srw_diagnostic(odr_en,
409 &(sru_pdu_res->u.response->diagnostics),
410 &(sru_pdu_res->u.response->num_diagnostics),
415 z3950_package.request() = apdu;
417 // send Z39.50 package off to backend
418 z3950_package.move();
421 Z_GDU *z3950_gdu = z3950_package.response().get();
423 //TODO: check success condition
424 //int yaz_diag_bib1_to_srw (int bib1_code);
425 //int yaz_diag_srw_to_bib1(int srw_code);
426 //Se kode i src/seshigh.c (srw_bend_search, srw_bend_init).
428 if (!z3950_gdu || z3950_gdu->which != Z_GDU_Z3950
429 || z3950_gdu->u.z3950->which != Z_APDU_searchResponse
430 || !z3950_gdu->u.z3950->u.searchResponse
431 || !z3950_gdu->u.z3950->u.searchResponse->searchStatus)
433 yaz_add_srw_diagnostic(odr_en,
434 &(sru_pdu_res->u.response->diagnostics),
435 &(sru_pdu_res->u.response->num_diagnostics),
440 // everything fine, continuing
441 Z_SearchResponse *sr = z3950_gdu->u.z3950->u.searchResponse;
443 // checking non surrogate diagnostics in Z3950 search response package
444 if (!z3950_to_srw_diagnostics_ok(odr_en, sru_pdu_res->u.response,
450 // Finally, roll on and srw'fy number of records
451 sru_pdu_res->u.response->numberOfRecords
452 = (int *) odr_malloc(odr_en, sizeof(int *));
453 *(sru_pdu_res->u.response->numberOfRecords) = *(sr->resultCount);
455 // srw'fy nextRecordPosition
456 //sru_pdu_res->u.response->nextRecordPosition
457 // = (int *) odr_malloc(odr_en, sizeof(int *));
458 //*(sru_pdu_res->u.response->nextRecordPosition) = 1;
464 yf::SRUtoZ3950::Impl::z3950_present_request(mp::Package &package,
466 Z_SRW_PDU *sru_pdu_res,
467 Z_SRW_searchRetrieveRequest
471 assert(sru_pdu_res->u.response);
477 // no need to work if nobody wants record ..
478 if (!(sr_req->maximumRecords) || 0 == *(sr_req->maximumRecords))
481 bool send_z3950_present = true;
483 // recordXPath unsupported.
484 if (sr_req->recordXPath)
486 send_z3950_present = false;
487 yaz_add_srw_diagnostic(odr_en,
488 &(sru_pdu_res->u.response->diagnostics),
489 &(sru_pdu_res->u.response->num_diagnostics),
493 // resultSetTTL unsupported.
494 // resultSetIdleTime in response
495 if (sr_req->resultSetTTL)
497 send_z3950_present = false;
498 yaz_add_srw_diagnostic(odr_en,
499 &(sru_pdu_res->u.response->diagnostics),
500 &(sru_pdu_res->u.response->num_diagnostics),
505 if (sr_req->sort_type != Z_SRW_sort_type_none)
507 send_z3950_present = false;
508 yaz_add_srw_diagnostic(odr_en,
509 &(sru_pdu_res->u.response->diagnostics),
510 &(sru_pdu_res->u.response->num_diagnostics),
514 // start record requested negative, or larger than number of records
515 if (sr_req->startRecord
517 ((*(sr_req->startRecord) < 0) // negative
519 (sru_pdu_res->u.response->numberOfRecords //out of range
520 && *(sr_req->startRecord)
521 > *(sru_pdu_res->u.response->numberOfRecords))
524 send_z3950_present = false;
525 yaz_add_srw_diagnostic(odr_en,
526 &(sru_pdu_res->u.response->diagnostics),
527 &(sru_pdu_res->u.response->num_diagnostics),
531 // maximumRecords requested negative
532 if (sr_req->maximumRecords
533 && *(sr_req->maximumRecords) < 0)
536 send_z3950_present = false;
537 yaz_add_srw_diagnostic(odr_en,
538 &(sru_pdu_res->u.response->diagnostics),
539 &(sru_pdu_res->u.response->num_diagnostics),
540 6, "maximumRecords");
543 // exit on all these above diagnostics
544 if (!send_z3950_present)
547 // now packaging the z3950 present request
548 Package z3950_package(package.session(), package.origin());
549 z3950_package.copy_filter(package);
550 Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_presentRequest);
552 assert(apdu->u.presentRequest);
554 // z3950'fy start record position
555 if (sr_req->startRecord)
556 *(apdu->u.presentRequest->resultSetStartPoint)
557 = *(sr_req->startRecord);
559 *(apdu->u.presentRequest->resultSetStartPoint) = 1;
561 // z3950'fy number of records requested
562 // protect against requesting records out of range
563 if (sr_req->maximumRecords)
564 *(apdu->u.presentRequest->numberOfRecordsRequested)
565 = std::min(*(sr_req->maximumRecords),
566 *(sru_pdu_res->u.response->numberOfRecords)
567 - *(apdu->u.presentRequest->resultSetStartPoint)
570 // z3950'fy recordPacking
571 int record_packing = Z_SRW_recordPacking_XML;
572 if (sr_req->recordPacking && 's' == *(sr_req->recordPacking))
573 record_packing = Z_SRW_recordPacking_string;
575 // RecordSyntax will always be XML
576 (apdu->u.presentRequest->preferredRecordSyntax)
577 = yaz_oidval_to_z3950oid (odr_en, CLASS_RECSYN, VAL_TEXT_XML);
579 // z3950'fy record schema
580 if (sr_req->recordSchema)
582 apdu->u.presentRequest->recordComposition
583 = (Z_RecordComposition *)
584 odr_malloc(odr_en, sizeof(Z_RecordComposition));
585 apdu->u.presentRequest->recordComposition->which
586 = Z_RecordComp_simple;
587 apdu->u.presentRequest->recordComposition->u.simple
588 = mp_util::build_esn_from_schema(odr_en,
589 (const char *) sr_req->recordSchema);
592 // z3950'fy time to live - flagged as diagnostics above
593 //if (sr_req->resultSetTTL)
595 // attaching Z3950 package to filter chain
596 z3950_package.request() = apdu;
598 // sending Z30.50 present request
599 z3950_package.move();
601 //check successful Z3950 present response
602 Z_GDU *z3950_gdu = z3950_package.response().get();
603 if (!z3950_gdu || z3950_gdu->which != Z_GDU_Z3950
604 || z3950_gdu->u.z3950->which != Z_APDU_presentResponse
605 || !z3950_gdu->u.z3950->u.presentResponse)
608 yaz_add_srw_diagnostic(odr_en,
609 &(sru_pdu_res->u.response->diagnostics),
610 &(sru_pdu_res->u.response->num_diagnostics),
616 // everything fine, continuing
618 Z_PresentResponse *pr = z3950_gdu->u.z3950->u.presentResponse;
619 Z_SRW_searchRetrieveResponse *sru_res = sru_pdu_res->u.response;
622 // checking non surrogate diagnostics in Z3950 present response package
623 if (!z3950_to_srw_diagnostics_ok(odr_en, sru_pdu_res->u.response,
629 // copy all records if existing
630 if (pr->records && pr->records->which == Z_Records_DBOSD)
632 // srw'fy number of returned records
634 = pr->records->u.databaseOrSurDiagnostics->num_records;
637 = (Z_SRW_record *) odr_malloc(odr_en,
639 * sizeof(Z_SRW_record));
642 // srw'fy nextRecordPosition
643 // next position never zero or behind the last z3950 record
644 if (pr->nextResultSetPosition
645 && *(pr->nextResultSetPosition) > 0
646 && *(pr->nextResultSetPosition)
647 <= *(sru_pdu_res->u.response->numberOfRecords))
648 sru_res->nextRecordPosition
649 = odr_intdup(odr_en, *(pr->nextResultSetPosition));
651 // inserting all records
652 for (int i = 0; i < sru_res->num_records; i++)
654 Z_NamePlusRecord *npr
655 = pr->records->u.databaseOrSurDiagnostics->records[i];
657 sru_res->records[i].recordPosition
659 i + *(apdu->u.presentRequest->resultSetStartPoint));
661 sru_res->records[i].recordPacking = record_packing;
663 if (npr->which != Z_NamePlusRecord_databaseRecord)
665 sru_res->records[i].recordSchema = "diagnostic";
666 sru_res->records[i].recordData_buf = "67";
667 sru_res->records[i].recordData_len = 2;
671 Z_External *r = npr->u.databaseRecord;
672 oident *ent = oid_getentbyoid(r->direct_reference);
673 if (r->which == Z_External_octet
674 && ent->value == VAL_TEXT_XML)
676 sru_res->records[i].recordSchema = "dc";
677 sru_res->records[i].recordData_buf
678 = odr_strdupn(odr_en,
679 (const char *)r->u.octet_aligned->buf,
680 r->u.octet_aligned->len);
681 sru_res->records[i].recordData_len
682 = r->u.octet_aligned->len;
686 sru_res->records[i].recordSchema = "diagnostic";
687 sru_res->records[i].recordData_buf = "67";
688 sru_res->records[i].recordData_len = 2;
698 yf::SRUtoZ3950::Impl::z3950_scan_request(mp::Package &package,
700 Z_SRW_PDU *sru_pdu_res,
701 Z_SRW_scanRequest const *sr_req) const
703 assert(sru_pdu_res->u.scan_response);
705 Package z3950_package(package.session(), package.origin());
706 z3950_package.copy_filter(package);
707 //mp::odr odr_en(ODR_ENCODE);
708 Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_scanRequest);
710 //TODO: add stuff in apdu
711 Z_ScanRequest *z_scanRequest = apdu->u.scanRequest;
713 // database repackaging
714 z_scanRequest->num_databaseNames = 1;
715 z_scanRequest->databaseNames = (char**)
716 odr_malloc(odr_en, sizeof(char *));
717 if (sr_req->database)
718 z_scanRequest->databaseNames[0]
719 = odr_strdup(odr_en, const_cast<char *>(sr_req->database));
721 z_scanRequest->databaseNames[0]
722 = odr_strdup(odr_en, "Default");
726 // CQL or XCQL scan is not possible in Z3950, flagging a diagnostic
727 if (sr_req->query_type != Z_SRW_query_type_pqf)
729 //send_to_srw_client_error(7, "query");
733 // PQF query repackaging
734 // need to use Z_AttributesPlusTerm structure, not Z_Query
735 // this can be digget out of a
736 // Z_query->type1(Z_RPNQuery)->RPNStructure(Z_RPNStructure)
737 // ->u.simple(Z_Operand)->u.attributesPlusTerm(Z_AttributesPlusTerm )
739 //Z_Query *z_query = (Z_Query *) odr_malloc(odr_en, sizeof(Z_Query));
740 //z_searchRequest->query = z_query;
742 //if (!z3950_build_query(odr_en, z_query,
743 // (const SRW_query&)sr_req->query,
744 // sr_req->query_type))
746 //send_to_srw_client_error(7, "query");
752 z3950_package.request() = apdu;
753 std::cout << "z3950_scan_request " << *apdu << "\n";
755 z3950_package.move();
756 //TODO: check success condition
761 bool yf::SRUtoZ3950::Impl::z3950_build_query(mp::odr &odr_en, Z_Query *z_query,
762 const SRW_query &query,
763 SRW_query_type query_type) const
765 if (query_type == Z_SRW_query_type_cql)
767 Z_External *ext = (Z_External *)
768 odr_malloc(odr_en, sizeof(*ext));
769 ext->direct_reference =
770 odr_getoidbystr(odr_en, "1.2.840.10003.16.2");
771 ext->indirect_reference = 0;
773 ext->which = Z_External_CQL;
774 ext->u.cql = const_cast<char *>(query.cql);
776 z_query->which = Z_Query_type_104;
777 z_query->u.type_104 = ext;
781 if (query_type == Z_SRW_query_type_pqf)
783 Z_RPNQuery *RPNquery;
784 YAZ_PQF_Parser pqf_parser;
786 pqf_parser = yaz_pqf_create ();
788 RPNquery = yaz_pqf_parse (pqf_parser, odr_en, query.pqf);
791 std::cout << "TODO: Handeling of bad PQF\n";
792 std::cout << "TODO: Diagnostic to be send\n";
794 z_query->which = Z_Query_type_1;
795 z_query->u.type_1 = RPNquery;
797 yaz_pqf_destroy(pqf_parser);
805 yf::SRUtoZ3950::Impl::z3950_to_srw_diagnostics_ok(mp::odr &odr_en,
806 Z_SRW_searchRetrieveResponse
808 Z_Records *records) const
810 // checking non surrogate diagnostics in Z3950 present response package
812 && records->which == Z_Records_NSD
813 && records->u.nonSurrogateDiagnostic)
815 z3950_to_srw_diag(odr_en, sru_res,
816 records->u.nonSurrogateDiagnostic);
824 yf::SRUtoZ3950::Impl::z3950_to_srw_diag(mp::odr &odr_en,
825 Z_SRW_searchRetrieveResponse *sru_res,
826 Z_DefaultDiagFormat *ddf) const
828 int bib1_code = *ddf->condition;
829 sru_res->num_diagnostics = 1;
830 sru_res->diagnostics = (Z_SRW_diagnostic *)
831 odr_malloc(odr_en, sizeof(*sru_res->diagnostics));
832 yaz_mk_std_diagnostic(odr_en, sru_res->diagnostics,
833 yaz_diag_bib1_to_srw(bib1_code),
840 static mp::filter::Base* filter_creator()
842 return new mp::filter::SRUtoZ3950;
846 struct metaproxy_1_filter_struct metaproxy_1_filter_sru_to_z3950 = {
857 * indent-tabs-mode: nil
858 * c-file-style: "stroustrup"
860 * vim: shiftwidth=4 tabstop=8 expandtab