1 /* $Id: filter_sru_to_z3950.cpp,v 1.32 2007-03-20 07:20:16 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);
210 && sru_pdu_req->which == Z_SRW_searchRetrieve_request
211 && sru_pdu_req->u.request)
213 Z_SRW_searchRetrieveRequest *sr_req = sru_pdu_req->u.request;
215 sru_pdu_res = yaz_srw_get(odr_en, Z_SRW_searchRetrieve_response);
217 // checking that we have a query
218 ok = mp_util::check_sru_query_exists(package, odr_en,
219 sru_pdu_res, sr_req);
221 if (ok && z3950_init_request(package, odr_en, sru_pdu_res))
224 ok = z3950_search_request(package, odr_en,
225 sru_pdu_res, sr_req);
228 && sru_pdu_res->u.response->numberOfRecords
229 && *(sru_pdu_res->u.response->numberOfRecords)
230 && sr_req->maximumRecords
231 && *(sr_req->maximumRecords))
233 ok = z3950_present_request(package, odr_en,
236 z3950_close_request(package);
243 && sru_pdu_req->which == Z_SRW_scan_request
244 && sru_pdu_req->u.scan_request)
246 Z_SRW_scanRequest *sr_req = sru_pdu_req->u.scan_request;
248 sru_pdu_res = yaz_srw_get(odr_en, Z_SRW_scan_response);
250 // we do not do scan at the moment, therefore issuing a diagnostic
251 yaz_add_srw_diagnostic(odr_en,
252 &(sru_pdu_res->u.scan_response->diagnostics),
253 &(sru_pdu_res->u.scan_response->num_diagnostics),
256 // to be used when we do scan
257 if (false && z3950_init_request(package, odr_en, sru_pdu_res))
259 z3950_scan_request(package, odr_en, sru_pdu_res, sr_req);
260 z3950_close_request(package);
265 //std::cout << "SRU OPERATION NOT SUPPORTED \n";
266 sru_pdu_res = yaz_srw_get(odr_en, Z_SRW_explain_response);
268 // TODO: make nice diagnostic return package
272 // build and send SRU response
273 mp_util::build_sru_response(package, odr_en, soap,
274 sru_pdu_res, charset, stylesheet);
280 yf::SRUtoZ3950::Impl::z3950_init_request(mp::Package &package,
282 Z_SRW_PDU *sru_pdu_res,
283 const std::string &database) const
285 // prepare Z3950 package
286 Package z3950_package(package.session(), package.origin());
287 z3950_package.copy_filter(package);
289 // set initRequest APDU
290 Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_initRequest);
291 Z_InitRequest *init_req = apdu->u.initRequest;
292 //TODO: add user name in apdu
293 //TODO: add user passwd in apdu
294 //init_req->idAuthentication = org_init->idAuthentication;
295 //init_req->implementationId = "IDxyz";
296 //init_req->implementationName = "NAMExyz";
297 //init_req->implementationVersion = "VERSIONxyz";
299 ODR_MASK_SET(init_req->options, Z_Options_search);
300 ODR_MASK_SET(init_req->options, Z_Options_present);
301 ODR_MASK_SET(init_req->options, Z_Options_namedResultSets);
302 ODR_MASK_SET(init_req->options, Z_Options_scan);
304 ODR_MASK_SET(init_req->protocolVersion, Z_ProtocolVersion_1);
305 ODR_MASK_SET(init_req->protocolVersion, Z_ProtocolVersion_2);
306 ODR_MASK_SET(init_req->protocolVersion, Z_ProtocolVersion_3);
308 z3950_package.request() = apdu;
310 // send Z3950 package
311 z3950_package.move();
313 // dead Z3950 backend detection
314 if (z3950_package.session().is_closed()){
315 yaz_add_srw_diagnostic(odr_en,
316 &(sru_pdu_res->u.response->diagnostics),
317 &(sru_pdu_res->u.response->num_diagnostics),
322 // check successful initResponse
323 Z_GDU *z3950_gdu = z3950_package.response().get();
325 if (z3950_gdu && z3950_gdu->which == Z_GDU_Z3950
326 && z3950_gdu->u.z3950->which == Z_APDU_initResponse
327 && *z3950_gdu->u.z3950->u.initResponse->result)
330 yaz_add_srw_diagnostic(odr_en,
331 &(sru_pdu_res->u.response->diagnostics),
332 &(sru_pdu_res->u.response->num_diagnostics),
338 yf::SRUtoZ3950::Impl::z3950_close_request(mp::Package &package) const
340 // prepare and close Z3950 package
341 Package z3950_package(package.session(), package.origin());
342 z3950_package.copy_filter(package);
343 z3950_package.session().close();
346 //mp::odr odr_en(ODR_ENCODE);
347 //Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_close);
348 //z3950_package.request() = apdu;
350 z3950_package.move();
352 // check successful close response
353 //Z_GDU *z3950_gdu = z3950_package.response().get();
354 //if (z3950_gdu && z3950_gdu->which == Z_GDU_Z3950
355 // && z3950_gdu->u.z3950->which == Z_APDU_close)
358 if (z3950_package.session().is_closed()){
364 bool yf::SRUtoZ3950::Impl::z3950_search_request(mp::Package &package,
366 Z_SRW_PDU *sru_pdu_res,
367 Z_SRW_searchRetrieveRequest
371 assert(sru_pdu_res->u.response);
373 Package z3950_package(package.session(), package.origin());
374 z3950_package.copy_filter(package);
376 //add stuff in z3950 apdu
377 Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_searchRequest);
378 Z_SearchRequest *z_searchRequest = apdu->u.searchRequest;
381 z_searchRequest->num_databaseNames = 1;
382 z_searchRequest->databaseNames = (char**)
383 odr_malloc(odr_en, sizeof(char *));
385 if (sr_req->database)
386 z_searchRequest->databaseNames[0]
387 = odr_strdup(odr_en, const_cast<char *>(sr_req->database));
389 z_searchRequest->databaseNames[0]
390 = odr_strdup(odr_en, "Default");
394 Z_Query *z_query = (Z_Query *) odr_malloc(odr_en, sizeof(Z_Query));
395 z_searchRequest->query = z_query;
397 if (!z3950_build_query(odr_en, z_query,
398 (const SRW_query&)sr_req->query,
401 yaz_add_srw_diagnostic(odr_en,
402 &(sru_pdu_res->u.response->diagnostics),
403 &(sru_pdu_res->u.response->num_diagnostics),
408 z3950_package.request() = apdu;
410 // send Z39.50 package off to backend
411 z3950_package.move();
414 Z_GDU *z3950_gdu = z3950_package.response().get();
416 //TODO: check success condition
417 //int yaz_diag_bib1_to_srw (int bib1_code);
418 //int yaz_diag_srw_to_bib1(int srw_code);
419 //Se kode i src/seshigh.c (srw_bend_search, srw_bend_init).
421 if (!z3950_gdu || z3950_gdu->which != Z_GDU_Z3950
422 || z3950_gdu->u.z3950->which != Z_APDU_searchResponse
423 || !z3950_gdu->u.z3950->u.searchResponse
424 || !z3950_gdu->u.z3950->u.searchResponse->searchStatus)
426 yaz_add_srw_diagnostic(odr_en,
427 &(sru_pdu_res->u.response->diagnostics),
428 &(sru_pdu_res->u.response->num_diagnostics),
433 // everything fine, continuing
434 Z_SearchResponse *sr = z3950_gdu->u.z3950->u.searchResponse;
436 // checking non surrogate diagnostics in Z3950 search response package
437 if (!z3950_to_srw_diagnostics_ok(odr_en, sru_pdu_res->u.response,
443 // Finally, roll on and srw'fy number of records
444 sru_pdu_res->u.response->numberOfRecords
445 = (int *) odr_malloc(odr_en, sizeof(int *));
446 *(sru_pdu_res->u.response->numberOfRecords) = *(sr->resultCount);
448 // srw'fy nextRecordPosition
449 //sru_pdu_res->u.response->nextRecordPosition
450 // = (int *) odr_malloc(odr_en, sizeof(int *));
451 //*(sru_pdu_res->u.response->nextRecordPosition) = 1;
457 yf::SRUtoZ3950::Impl::z3950_present_request(mp::Package &package,
459 Z_SRW_PDU *sru_pdu_res,
460 Z_SRW_searchRetrieveRequest
464 assert(sru_pdu_res->u.response);
470 // no need to work if nobody wants record ..
471 if (!(sr_req->maximumRecords) || 0 == *(sr_req->maximumRecords))
474 bool send_z3950_present = true;
476 // recordXPath unsupported.
477 if (sr_req->recordXPath)
479 send_z3950_present = false;
480 yaz_add_srw_diagnostic(odr_en,
481 &(sru_pdu_res->u.response->diagnostics),
482 &(sru_pdu_res->u.response->num_diagnostics),
486 // resultSetTTL unsupported.
487 // resultSetIdleTime in response
488 if (sr_req->resultSetTTL)
490 send_z3950_present = false;
491 yaz_add_srw_diagnostic(odr_en,
492 &(sru_pdu_res->u.response->diagnostics),
493 &(sru_pdu_res->u.response->num_diagnostics),
498 if (sr_req->sort_type != Z_SRW_sort_type_none)
500 send_z3950_present = false;
501 yaz_add_srw_diagnostic(odr_en,
502 &(sru_pdu_res->u.response->diagnostics),
503 &(sru_pdu_res->u.response->num_diagnostics),
507 // start record requested negative, or larger than number of records
508 if (sr_req->startRecord
510 ((*(sr_req->startRecord) < 0) // negative
512 (sru_pdu_res->u.response->numberOfRecords //out of range
513 && *(sr_req->startRecord)
514 > *(sru_pdu_res->u.response->numberOfRecords))
517 send_z3950_present = false;
518 yaz_add_srw_diagnostic(odr_en,
519 &(sru_pdu_res->u.response->diagnostics),
520 &(sru_pdu_res->u.response->num_diagnostics),
524 // maximumRecords requested negative
525 if (sr_req->maximumRecords
526 && *(sr_req->maximumRecords) < 0)
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 6, "maximumRecords");
536 // exit on all these above diagnostics
537 if (!send_z3950_present)
540 // now packaging the z3950 present request
541 Package z3950_package(package.session(), package.origin());
542 z3950_package.copy_filter(package);
543 Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_presentRequest);
545 assert(apdu->u.presentRequest);
547 // z3950'fy start record position
548 if (sr_req->startRecord)
549 *(apdu->u.presentRequest->resultSetStartPoint)
550 = *(sr_req->startRecord);
552 *(apdu->u.presentRequest->resultSetStartPoint) = 1;
554 // z3950'fy number of records requested
555 // protect against requesting records out of range
556 if (sr_req->maximumRecords)
557 *(apdu->u.presentRequest->numberOfRecordsRequested)
558 = std::min(*(sr_req->maximumRecords),
559 *(sru_pdu_res->u.response->numberOfRecords)
560 - *(apdu->u.presentRequest->resultSetStartPoint)
563 // z3950'fy recordPacking
564 int record_packing = Z_SRW_recordPacking_XML;
565 if (sr_req->recordPacking && 's' == *(sr_req->recordPacking))
566 record_packing = Z_SRW_recordPacking_string;
568 // RecordSyntax will always be XML
569 (apdu->u.presentRequest->preferredRecordSyntax)
570 = yaz_oidval_to_z3950oid (odr_en, CLASS_RECSYN, VAL_TEXT_XML);
572 // z3950'fy record schema
573 if (sr_req->recordSchema)
575 apdu->u.presentRequest->recordComposition
576 = (Z_RecordComposition *)
577 odr_malloc(odr_en, sizeof(Z_RecordComposition));
578 apdu->u.presentRequest->recordComposition->which
579 = Z_RecordComp_simple;
580 apdu->u.presentRequest->recordComposition->u.simple
581 = mp_util::build_esn_from_schema(odr_en,
582 (const char *) sr_req->recordSchema);
585 // z3950'fy time to live - flagged as diagnostics above
586 //if (sr_req->resultSetTTL)
588 // attaching Z3950 package to filter chain
589 z3950_package.request() = apdu;
591 // sending Z30.50 present request
592 z3950_package.move();
594 //check successful Z3950 present response
595 Z_GDU *z3950_gdu = z3950_package.response().get();
596 if (!z3950_gdu || z3950_gdu->which != Z_GDU_Z3950
597 || z3950_gdu->u.z3950->which != Z_APDU_presentResponse
598 || !z3950_gdu->u.z3950->u.presentResponse)
601 yaz_add_srw_diagnostic(odr_en,
602 &(sru_pdu_res->u.response->diagnostics),
603 &(sru_pdu_res->u.response->num_diagnostics),
609 // everything fine, continuing
611 Z_PresentResponse *pr = z3950_gdu->u.z3950->u.presentResponse;
612 Z_SRW_searchRetrieveResponse *sru_res = sru_pdu_res->u.response;
615 // checking non surrogate diagnostics in Z3950 present response package
616 if (!z3950_to_srw_diagnostics_ok(odr_en, sru_pdu_res->u.response,
622 // copy all records if existing
623 if (pr->records && pr->records->which == Z_Records_DBOSD)
625 // srw'fy number of returned records
627 = pr->records->u.databaseOrSurDiagnostics->num_records;
630 = (Z_SRW_record *) odr_malloc(odr_en,
632 * sizeof(Z_SRW_record));
635 // srw'fy nextRecordPosition
636 // next position never zero or behind the last z3950 record
637 if (pr->nextResultSetPosition
638 && *(pr->nextResultSetPosition) > 0
639 && *(pr->nextResultSetPosition)
640 <= *(sru_pdu_res->u.response->numberOfRecords))
641 sru_res->nextRecordPosition
642 = odr_intdup(odr_en, *(pr->nextResultSetPosition));
644 // inserting all records
645 for (int i = 0; i < sru_res->num_records; i++)
647 Z_NamePlusRecord *npr
648 = pr->records->u.databaseOrSurDiagnostics->records[i];
650 sru_res->records[i].recordPosition
652 i + *(apdu->u.presentRequest->resultSetStartPoint));
654 sru_res->records[i].recordPacking = record_packing;
656 if (npr->which != Z_NamePlusRecord_databaseRecord)
658 sru_res->records[i].recordSchema = "diagnostic";
659 sru_res->records[i].recordData_buf = "67";
660 sru_res->records[i].recordData_len = 2;
664 Z_External *r = npr->u.databaseRecord;
665 oident *ent = oid_getentbyoid(r->direct_reference);
666 if (r->which == Z_External_octet
667 && ent->value == VAL_TEXT_XML)
669 sru_res->records[i].recordSchema = "dc";
670 sru_res->records[i].recordData_buf
671 = odr_strdupn(odr_en,
672 (const char *)r->u.octet_aligned->buf,
673 r->u.octet_aligned->len);
674 sru_res->records[i].recordData_len
675 = r->u.octet_aligned->len;
679 sru_res->records[i].recordSchema = "diagnostic";
680 sru_res->records[i].recordData_buf = "67";
681 sru_res->records[i].recordData_len = 2;
691 yf::SRUtoZ3950::Impl::z3950_scan_request(mp::Package &package,
693 Z_SRW_PDU *sru_pdu_res,
694 Z_SRW_scanRequest const *sr_req) const
696 assert(sru_pdu_res->u.scan_response);
698 Package z3950_package(package.session(), package.origin());
699 z3950_package.copy_filter(package);
700 //mp::odr odr_en(ODR_ENCODE);
701 Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_scanRequest);
703 //TODO: add stuff in apdu
704 Z_ScanRequest *z_scanRequest = apdu->u.scanRequest;
706 // database repackaging
707 z_scanRequest->num_databaseNames = 1;
708 z_scanRequest->databaseNames = (char**)
709 odr_malloc(odr_en, sizeof(char *));
710 if (sr_req->database)
711 z_scanRequest->databaseNames[0]
712 = odr_strdup(odr_en, const_cast<char *>(sr_req->database));
714 z_scanRequest->databaseNames[0]
715 = odr_strdup(odr_en, "Default");
719 // CQL or XCQL scan is not possible in Z3950, flagging a diagnostic
720 if (sr_req->query_type != Z_SRW_query_type_pqf)
722 //send_to_srw_client_error(7, "query");
726 // PQF query repackaging
727 // need to use Z_AttributesPlusTerm structure, not Z_Query
728 // this can be digget out of a
729 // Z_query->type1(Z_RPNQuery)->RPNStructure(Z_RPNStructure)
730 // ->u.simple(Z_Operand)->u.attributesPlusTerm(Z_AttributesPlusTerm )
732 //Z_Query *z_query = (Z_Query *) odr_malloc(odr_en, sizeof(Z_Query));
733 //z_searchRequest->query = z_query;
735 //if (!z3950_build_query(odr_en, z_query,
736 // (const SRW_query&)sr_req->query,
737 // sr_req->query_type))
739 //send_to_srw_client_error(7, "query");
745 z3950_package.request() = apdu;
746 std::cout << "z3950_scan_request " << *apdu << "\n";
748 z3950_package.move();
749 //TODO: check success condition
754 bool yf::SRUtoZ3950::Impl::z3950_build_query(mp::odr &odr_en, Z_Query *z_query,
755 const SRW_query &query,
756 SRW_query_type query_type) const
758 if (query_type == Z_SRW_query_type_cql)
760 Z_External *ext = (Z_External *)
761 odr_malloc(odr_en, sizeof(*ext));
762 ext->direct_reference =
763 odr_getoidbystr(odr_en, "1.2.840.10003.16.2");
764 ext->indirect_reference = 0;
766 ext->which = Z_External_CQL;
767 ext->u.cql = const_cast<char *>(query.cql);
769 z_query->which = Z_Query_type_104;
770 z_query->u.type_104 = ext;
774 if (query_type == Z_SRW_query_type_pqf)
776 Z_RPNQuery *RPNquery;
777 YAZ_PQF_Parser pqf_parser;
779 pqf_parser = yaz_pqf_create ();
781 RPNquery = yaz_pqf_parse (pqf_parser, odr_en, query.pqf);
784 std::cout << "TODO: Handeling of bad PQF\n";
785 std::cout << "TODO: Diagnostic to be send\n";
787 z_query->which = Z_Query_type_1;
788 z_query->u.type_1 = RPNquery;
790 yaz_pqf_destroy(pqf_parser);
798 yf::SRUtoZ3950::Impl::z3950_to_srw_diagnostics_ok(mp::odr &odr_en,
799 Z_SRW_searchRetrieveResponse
801 Z_Records *records) const
803 // checking non surrogate diagnostics in Z3950 present response package
805 && records->which == Z_Records_NSD
806 && records->u.nonSurrogateDiagnostic)
808 z3950_to_srw_diag(odr_en, sru_res,
809 records->u.nonSurrogateDiagnostic);
817 yf::SRUtoZ3950::Impl::z3950_to_srw_diag(mp::odr &odr_en,
818 Z_SRW_searchRetrieveResponse *sru_res,
819 Z_DefaultDiagFormat *ddf) const
821 int bib1_code = *ddf->condition;
822 sru_res->num_diagnostics = 1;
823 sru_res->diagnostics = (Z_SRW_diagnostic *)
824 odr_malloc(odr_en, sizeof(*sru_res->diagnostics));
825 yaz_mk_std_diagnostic(odr_en, sru_res->diagnostics,
826 yaz_diag_bib1_to_srw(bib1_code),
833 static mp::filter::Base* filter_creator()
835 return new mp::filter::SRUtoZ3950;
839 struct metaproxy_1_filter_struct metaproxy_1_filter_sru_to_z3950 = {
850 * indent-tabs-mode: nil
851 * c-file-style: "stroustrup"
853 * vim: shiftwidth=4 tabstop=8 expandtab