1 /* This file is part of Metaproxy.
2 Copyright (C) 2005-2010 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
19 // make std::min actually work on Windows
23 #include <metaproxy/package.hpp>
24 #include <metaproxy/util.hpp>
25 #include "gduutil.hpp"
26 #include "sru_util.hpp"
27 #include "filter_sru_to_z3950.hpp"
30 #include <yaz/z-core.h>
32 #include <yaz/pquery.h>
33 #include <yaz/oid_db.h>
36 #include <boost/thread/mutex.hpp>
37 #include <boost/thread/condition.hpp>
42 /* #include <algorithm> */
45 namespace mp = metaproxy_1;
46 namespace mp_util = metaproxy_1::util;
47 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 std::map<std::string, const xmlNode *> m_database_explain;
58 typedef std::map<std::string, int> ActiveUrlMap;
61 boost::condition m_cond_url_ready;
62 ActiveUrlMap m_active_urls;
64 void sru(metaproxy_1::Package &package, Z_GDU *zgdu_req);
65 bool z3950_build_query(
66 mp::odr &odr_en, Z_Query *z_query,
67 const Z_SRW_searchRetrieveRequest *req
70 bool z3950_init_request(
74 Z_SRW_PDU *sru_pdu_res,
75 const Z_SRW_PDU *sru_pdu_req
78 bool z3950_close_request(mp::Package &package) const;
80 bool z3950_search_request(
83 Z_SRW_PDU *sru_pdu_res,
84 Z_SRW_searchRetrieveRequest const *sr_req,
88 bool z3950_present_request(
91 Z_SRW_PDU *sru_pdu_res,
92 Z_SRW_searchRetrieveRequest const *sr_req
95 bool z3950_to_srw_diagnostics_ok(
97 Z_SRW_searchRetrieveResponse *srw_res,
101 int z3950_to_srw_diag(
103 Z_SRW_searchRetrieveResponse *srw_res,
104 Z_DefaultDiagFormat *ddf
111 yf::SRUtoZ3950::SRUtoZ3950() : m_p(new Impl)
115 yf::SRUtoZ3950::~SRUtoZ3950()
116 { // must have a destructor because of boost::scoped_ptr
119 void yf::SRUtoZ3950::configure(const xmlNode *xmlnode, bool test_only)
121 m_p->configure(xmlnode);
124 void yf::SRUtoZ3950::process(mp::Package &package) const
126 m_p->process(package);
129 void yf::SRUtoZ3950::Impl::configure(const xmlNode *confignode)
131 const xmlNode * dbnode;
133 for (dbnode = confignode->children; dbnode; dbnode = dbnode->next)
135 if (dbnode->type != XML_ELEMENT_NODE)
138 std::string database;
139 mp::xml::check_element_mp(dbnode, "database");
141 for (struct _xmlAttr *attr = dbnode->properties;
142 attr; attr = attr->next)
145 mp::xml::check_attribute(attr, "", "name");
146 database = mp::xml::get_text(attr);
148 const xmlNode *explainnode;
149 for (explainnode = dbnode->children;
150 explainnode; explainnode = explainnode->next)
152 if (explainnode->type != XML_ELEMENT_NODE)
157 // assigning explain node to database name - no check yet
158 m_database_explain.insert(std::make_pair(database, explainnode));
163 void yf::SRUtoZ3950::Impl::sru(mp::Package &package, Z_GDU *zgdu_req)
167 mp::odr odr_de(ODR_DECODE);
168 Z_SRW_PDU *sru_pdu_req = 0;
170 mp::odr odr_en(ODR_ENCODE);
171 Z_SRW_PDU *sru_pdu_res = yaz_srw_get(odr_en, Z_SRW_explain_response);
173 // determine database with the HTTP header information only
174 mp_util::SRUServerInfo sruinfo = mp_util::get_sru_server_info(package);
175 std::map<std::string, const xmlNode *>::iterator idbexp;
176 idbexp = m_database_explain.find(sruinfo.database);
178 // assign explain config XML DOM node if database is known
179 const xmlNode *explainnode = 0;
180 if (idbexp != m_database_explain.end())
182 explainnode = idbexp->second;
185 // decode SRU request
188 char *stylesheet = 0;
190 // filter acts as sink for non-valid SRU requests
191 if (! (sru_pdu_req = mp_util::decode_sru_request(package, odr_de, odr_en,
193 charset, stylesheet)))
197 mp_util::build_sru_explain(package, odr_en, sru_pdu_res,
198 sruinfo, explainnode);
199 mp_util::build_sru_response(package, odr_en, soap,
200 sru_pdu_res, charset, stylesheet);
204 metaproxy_1::odr odr;
206 odr.create_HTTP_Response(package.session(),
207 zgdu_req->u.HTTP_Request, 400);
208 package.response() = zgdu_res;
214 Z_SRW_extra_arg *arg;
216 for ( arg = sru_pdu_req->extra_args; arg; arg = arg->next)
217 if (!strcmp(arg->name, "x-target"))
219 zurl = std::string(arg->value);
221 else if (!strcmp(arg->name, "x-max-sockets"))
223 package.origin().set_max_sockets(atoi(arg->value));
228 // filter acts as sink for SRU explain requests
229 if (sru_pdu_req->which == Z_SRW_explain_request)
231 Z_SRW_explainRequest *er_req = sru_pdu_req->u.explain_request;
232 //mp_util::build_simple_explain(package, odr_en, sru_pdu_res,
234 mp_util::build_sru_explain(package, odr_en, sru_pdu_res,
235 sruinfo, explainnode, er_req);
237 else if (sru_pdu_req->which == Z_SRW_searchRetrieve_request
238 && sru_pdu_req->u.request)
240 Z_SRW_searchRetrieveRequest *sr_req = sru_pdu_req->u.request;
242 sru_pdu_res = yaz_srw_get(odr_en, Z_SRW_searchRetrieve_response);
244 // checking that we have a query
245 ok = mp_util::check_sru_query_exists(package, odr_en,
246 sru_pdu_res, sr_req);
248 if (ok && z3950_init_request(package, odr_en,
249 zurl, sru_pdu_res, sru_pdu_req))
251 ok = z3950_search_request(package, odr_en,
252 sru_pdu_res, sr_req, zurl);
255 && sru_pdu_res->u.response->numberOfRecords
256 && *(sru_pdu_res->u.response->numberOfRecords))
258 ok = z3950_present_request(package, odr_en,
261 z3950_close_request(package);
266 else if (sru_pdu_req->which == Z_SRW_scan_request
267 && sru_pdu_req->u.scan_request)
269 sru_pdu_res = yaz_srw_get(odr_en, Z_SRW_scan_response);
271 // we do not do scan at the moment, therefore issuing a diagnostic
272 yaz_add_srw_diagnostic(odr_en,
273 &(sru_pdu_res->u.scan_response->diagnostics),
274 &(sru_pdu_res->u.scan_response->num_diagnostics),
275 YAZ_SRW_UNSUPP_OPERATION, "scan");
279 sru_pdu_res = yaz_srw_get(odr_en, Z_SRW_explain_response);
281 yaz_add_srw_diagnostic(odr_en,
282 &(sru_pdu_res->u.explain_response->diagnostics),
283 &(sru_pdu_res->u.explain_response->num_diagnostics),
284 YAZ_SRW_UNSUPP_OPERATION, "unknown");
287 // build and send SRU response
288 mp_util::build_sru_response(package, odr_en, soap,
289 sru_pdu_res, charset, stylesheet);
293 void yf::SRUtoZ3950::Impl::process(mp::Package &package)
295 Z_GDU *zgdu_req = package.request().get();
297 // ignoring all non HTTP_Request packages
298 if (!zgdu_req || !(zgdu_req->which == Z_GDU_HTTP_Request))
304 // only working on HTTP_Request packages now
306 // see if HTTP request is already being executed..
307 // we consider only the SRU - GET case..
308 if (zgdu_req->u.HTTP_Request->content_len == 0)
310 const char *path = zgdu_req->u.HTTP_Request->path;
311 boost::mutex::scoped_lock lock(m_mutex);
314 ActiveUrlMap::iterator it = m_active_urls.find(path);
315 if (it == m_active_urls.end())
317 m_active_urls[path] = 1;
320 yaz_log(YLOG_LOG, "Waiting for %s to complete", path);
321 m_cond_url_ready.wait(lock);
324 sru(package, zgdu_req);
325 if (zgdu_req->u.HTTP_Request->content_len == 0)
327 const char *path = zgdu_req->u.HTTP_Request->path;
328 boost::mutex::scoped_lock lock(m_mutex);
330 ActiveUrlMap::iterator it = m_active_urls.find(path);
332 m_active_urls.erase(it);
333 m_cond_url_ready.notify_all();
339 yf::SRUtoZ3950::Impl::z3950_init_request(mp::Package &package,
342 Z_SRW_PDU *sru_pdu_res,
343 const Z_SRW_PDU *sru_pdu_req) const
345 // prepare Z3950 package
346 Package z3950_package(package.session(), package.origin());
347 z3950_package.copy_filter(package);
349 // set initRequest APDU
350 Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_initRequest);
351 Z_InitRequest *init_req = apdu->u.initRequest;
353 Z_IdAuthentication *auth = NULL;
354 if (sru_pdu_req->username && !sru_pdu_req->password)
356 auth = (Z_IdAuthentication *) odr_malloc(odr_en, sizeof(Z_IdAuthentication));
357 auth->which = Z_IdAuthentication_open;
358 auth->u.open = odr_strdup(odr_en, sru_pdu_req->username);
360 else if (sru_pdu_req->username && sru_pdu_req->password)
362 auth = (Z_IdAuthentication *) odr_malloc(odr_en, sizeof(Z_IdAuthentication));
363 auth->which = Z_IdAuthentication_idPass;
364 auth->u.idPass = (Z_IdPass *) odr_malloc(odr_en, sizeof(Z_IdPass));
365 auth->u.idPass->groupId = NULL;
366 auth->u.idPass->password = odr_strdup(odr_en, sru_pdu_req->password);
367 auth->u.idPass->userId = odr_strdup(odr_en, sru_pdu_req->username);
370 init_req->idAuthentication = auth;
372 ODR_MASK_SET(init_req->options, Z_Options_search);
373 ODR_MASK_SET(init_req->options, Z_Options_present);
374 ODR_MASK_SET(init_req->options, Z_Options_namedResultSets);
375 ODR_MASK_SET(init_req->options, Z_Options_scan);
377 ODR_MASK_SET(init_req->protocolVersion, Z_ProtocolVersion_1);
378 ODR_MASK_SET(init_req->protocolVersion, Z_ProtocolVersion_2);
379 ODR_MASK_SET(init_req->protocolVersion, Z_ProtocolVersion_3);
384 std::list<std::string> dblist;
385 mp_util::split_zurl(zurl, host, dblist);
386 mp_util::set_vhost_otherinfo(&init_req->otherInfo, odr_en, host, 1);
389 z3950_package.request() = apdu;
391 // send Z3950 package
392 z3950_package.move();
394 // dead Z3950 backend detection
395 if (z3950_package.session().is_closed())
397 yaz_add_srw_diagnostic(odr_en,
398 &(sru_pdu_res->u.response->diagnostics),
399 &(sru_pdu_res->u.response->num_diagnostics),
400 YAZ_SRW_SYSTEM_TEMPORARILY_UNAVAILABLE, 0);
404 // check successful initResponse
405 Z_GDU *z3950_gdu = z3950_package.response().get();
407 if (z3950_gdu && z3950_gdu->which == Z_GDU_Z3950
408 && z3950_gdu->u.z3950->which == Z_APDU_initResponse
409 && *z3950_gdu->u.z3950->u.initResponse->result)
412 yaz_add_srw_diagnostic(odr_en,
413 &(sru_pdu_res->u.response->diagnostics),
414 &(sru_pdu_res->u.response->num_diagnostics),
415 YAZ_SRW_SYSTEM_TEMPORARILY_UNAVAILABLE, 0);
420 yf::SRUtoZ3950::Impl::z3950_close_request(mp::Package &package) const
422 // prepare and close Z3950 package
423 Package z3950_package(package.session(), package.origin());
424 z3950_package.copy_filter(package);
425 z3950_package.session().close();
428 //mp::odr odr_en(ODR_ENCODE);
429 //Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_close);
430 //z3950_package.request() = apdu;
432 z3950_package.move();
434 // check successful close response
435 //Z_GDU *z3950_gdu = z3950_package.response().get();
436 //if (z3950_gdu && z3950_gdu->which == Z_GDU_Z3950
437 // && z3950_gdu->u.z3950->which == Z_APDU_close)
440 if (z3950_package.session().is_closed())
447 bool yf::SRUtoZ3950::Impl::z3950_search_request(mp::Package &package,
449 Z_SRW_PDU *sru_pdu_res,
450 Z_SRW_searchRetrieveRequest
452 std::string zurl) const
455 assert(sru_pdu_res->u.response);
457 Package z3950_package(package.session(), package.origin());
458 z3950_package.copy_filter(package);
460 //add stuff in z3950 apdu
461 Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_searchRequest);
462 Z_SearchRequest *z_searchRequest = apdu->u.searchRequest;
465 if (!mp_util::set_databases_from_zurl(odr_en, zurl,
466 &z_searchRequest->num_databaseNames,
467 &z_searchRequest->databaseNames))
469 z_searchRequest->num_databaseNames = 1;
470 z_searchRequest->databaseNames = (char**)
471 odr_malloc(odr_en, sizeof(char *));
473 if (sr_req->database)
474 z_searchRequest->databaseNames[0]
475 = odr_strdup(odr_en, const_cast<char *>(sr_req->database));
477 z_searchRequest->databaseNames[0]
478 = odr_strdup(odr_en, "Default");
482 Z_Query *z_query = (Z_Query *) odr_malloc(odr_en, sizeof(Z_Query));
483 z_searchRequest->query = z_query;
485 if (!z3950_build_query(odr_en, z_query, sr_req))
487 yaz_add_srw_diagnostic(odr_en,
488 &(sru_pdu_res->u.response->diagnostics),
489 &(sru_pdu_res->u.response->num_diagnostics),
494 z3950_package.request() = apdu;
496 // send Z39.50 package off to backend
497 z3950_package.move();
500 Z_GDU *z3950_gdu = z3950_package.response().get();
502 //TODO: check success condition
503 //int yaz_diag_bib1_to_srw (int bib1_code);
504 //int yaz_diag_srw_to_bib1(int srw_code);
505 //Se kode i src/seshigh.c (srw_bend_search, srw_bend_init).
507 if (!z3950_gdu || z3950_gdu->which != Z_GDU_Z3950
508 || z3950_gdu->u.z3950->which != Z_APDU_searchResponse
509 || !z3950_gdu->u.z3950->u.searchResponse
510 || !z3950_gdu->u.z3950->u.searchResponse->searchStatus)
512 yaz_add_srw_diagnostic(odr_en,
513 &(sru_pdu_res->u.response->diagnostics),
514 &(sru_pdu_res->u.response->num_diagnostics),
519 // everything fine, continuing
520 Z_SearchResponse *sr = z3950_gdu->u.z3950->u.searchResponse;
522 // checking non surrogate diagnostics in Z3950 search response package
523 if (!z3950_to_srw_diagnostics_ok(odr_en, sru_pdu_res->u.response,
529 // Finally, roll on and srw'fy number of records
530 sru_pdu_res->u.response->numberOfRecords
531 = odr_intdup(odr_en, *sr->resultCount);
533 // srw'fy nextRecordPosition
534 //sru_pdu_res->u.response->nextRecordPosition
535 // = (int *) odr_malloc(odr_en, sizeof(int *));
536 //*(sru_pdu_res->u.response->nextRecordPosition) = 1;
542 yf::SRUtoZ3950::Impl::z3950_present_request(
543 mp::Package &package,
545 Z_SRW_PDU *sru_pdu_res,
546 const Z_SRW_searchRetrieveRequest *sr_req)
549 assert(sru_pdu_res->u.response);
556 if (sr_req->maximumRecords)
557 max_recs = *sr_req->maximumRecords;
558 if (sr_req->startRecord)
559 start = *sr_req->startRecord;
561 // no need to work if nobody wants record ..
565 bool send_z3950_present = true;
567 // recordXPath unsupported.
568 if (sr_req->recordXPath)
570 send_z3950_present = false;
571 yaz_add_srw_diagnostic(odr_en,
572 &(sru_pdu_res->u.response->diagnostics),
573 &(sru_pdu_res->u.response->num_diagnostics),
574 YAZ_SRW_XPATH_RETRIEVAL_UNSUPP, 0);
577 // resultSetTTL unsupported.
578 // resultSetIdleTime in response
579 if (sr_req->resultSetTTL)
581 send_z3950_present = false;
582 yaz_add_srw_diagnostic(odr_en,
583 &(sru_pdu_res->u.response->diagnostics),
584 &(sru_pdu_res->u.response->num_diagnostics),
585 YAZ_SRW_RESULT_SETS_UNSUPP, 0);
589 if (sr_req->sort_type != Z_SRW_sort_type_none)
591 send_z3950_present = false;
592 yaz_add_srw_diagnostic(odr_en,
593 &(sru_pdu_res->u.response->diagnostics),
594 &(sru_pdu_res->u.response->num_diagnostics),
595 YAZ_SRW_SORT_UNSUPP, 0);
598 // start record requested negative, or larger than number of records
599 if (start < 0 || start > *sru_pdu_res->u.response->numberOfRecords)
601 send_z3950_present = false;
602 yaz_add_srw_diagnostic(odr_en,
603 &(sru_pdu_res->u.response->diagnostics),
604 &(sru_pdu_res->u.response->num_diagnostics),
605 YAZ_SRW_FIRST_RECORD_POSITION_OUT_OF_RANGE, 0);
608 // maximumRecords requested negative
611 send_z3950_present = false;
612 yaz_add_srw_diagnostic(odr_en,
613 &(sru_pdu_res->u.response->diagnostics),
614 &(sru_pdu_res->u.response->num_diagnostics),
615 YAZ_SRW_UNSUPP_PARAMETER_VALUE,
619 // exit on all these above diagnostics
620 if (!send_z3950_present)
623 if (max_recs > *sru_pdu_res->u.response->numberOfRecords - start)
624 max_recs = *sru_pdu_res->u.response->numberOfRecords - start + 1;
626 Z_SRW_searchRetrieveResponse *sru_res = sru_pdu_res->u.response;
627 sru_res->records = (Z_SRW_record *)
628 odr_malloc(odr_en, max_recs * sizeof(Z_SRW_record));
630 while (num < max_recs)
632 // now packaging the z3950 present request
633 Package z3950_package(package.session(), package.origin());
634 z3950_package.copy_filter(package);
635 Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_presentRequest);
637 assert(apdu->u.presentRequest);
639 *apdu->u.presentRequest->resultSetStartPoint = start + num;
640 *apdu->u.presentRequest->numberOfRecordsRequested = max_recs - num;
642 // set response packing to be same as "request" packing..
643 int record_packing = Z_SRW_recordPacking_XML;
644 if (sr_req->recordPacking && 's' == *(sr_req->recordPacking))
645 record_packing = Z_SRW_recordPacking_string;
647 // RecordSyntax will always be XML
648 apdu->u.presentRequest->preferredRecordSyntax
649 = odr_oiddup(odr_en, yaz_oid_recsyn_xml);
651 // z3950'fy record schema
652 if (sr_req->recordSchema)
654 apdu->u.presentRequest->recordComposition
655 = (Z_RecordComposition *)
656 odr_malloc(odr_en, sizeof(Z_RecordComposition));
657 apdu->u.presentRequest->recordComposition->which
658 = Z_RecordComp_simple;
659 apdu->u.presentRequest->recordComposition->u.simple
660 = mp_util::build_esn_from_schema(odr_en,
662 sr_req->recordSchema);
665 // attaching Z3950 package to filter chain
666 z3950_package.request() = apdu;
668 // sending Z30.50 present request
669 z3950_package.move();
671 //check successful Z3950 present response
672 Z_GDU *z3950_gdu = z3950_package.response().get();
673 if (!z3950_gdu || z3950_gdu->which != Z_GDU_Z3950
674 || z3950_gdu->u.z3950->which != Z_APDU_presentResponse
675 || !z3950_gdu->u.z3950->u.presentResponse)
678 yaz_add_srw_diagnostic(odr_en,
679 &(sru_pdu_res->u.response->diagnostics),
680 &(sru_pdu_res->u.response->num_diagnostics),
681 YAZ_SRW_SYSTEM_TEMPORARILY_UNAVAILABLE, 0);
684 // everything fine, continuing
686 Z_PresentResponse *pr = z3950_gdu->u.z3950->u.presentResponse;
688 // checking non surrogate diagnostics in Z3950 present response package
689 if (!z3950_to_srw_diagnostics_ok(odr_en, sru_pdu_res->u.response,
693 // if anything but database or surrogate diagnostics, stop
694 if (!pr->records || pr->records->which != Z_Records_DBOSD)
698 // inserting all records
700 pr->records->u.databaseOrSurDiagnostics->num_records;
701 for (int i = 0; i < returned_recs; i++)
703 int position = i + *apdu->u.presentRequest->resultSetStartPoint;
704 Z_NamePlusRecord *npr
705 = pr->records->u.databaseOrSurDiagnostics->records[i];
707 sru_res->records[i + num].recordPacking = record_packing;
709 if (npr->which == Z_NamePlusRecord_databaseRecord &&
710 npr->u.databaseRecord->direct_reference
711 && !oid_oidcmp(npr->u.databaseRecord->direct_reference,
714 // got XML record back
715 Z_External *r = npr->u.databaseRecord;
716 sru_res->records[i + num].recordPosition =
717 odr_intdup(odr_en, position);
718 sru_res->records[i + num].recordSchema = sr_req->recordSchema;
719 sru_res->records[i + num].recordData_buf
720 = odr_strdupn(odr_en,
721 (const char *)r->u.octet_aligned->buf,
722 r->u.octet_aligned->len);
723 sru_res->records[i + num].recordData_len
724 = r->u.octet_aligned->len;
728 // not XML or no database record at all
729 yaz_mk_sru_surrogate(
730 odr_en, sru_res->records + i + num, position,
731 YAZ_SRW_RECORD_NOT_AVAILABLE_IN_THIS_SCHEMA, 0);
734 num += returned_recs;
737 sru_res->num_records = num;
738 if (start - 1 + num < *sru_pdu_res->u.response->numberOfRecords)
739 sru_res->nextRecordPosition =
740 odr_intdup(odr_en, start + num);
744 bool yf::SRUtoZ3950::Impl::z3950_build_query(mp::odr &odr_en, Z_Query *z_query,
745 const Z_SRW_searchRetrieveRequest *req
748 if (req->query_type == Z_SRW_query_type_cql)
750 Z_External *ext = (Z_External *)
751 odr_malloc(odr_en, sizeof(*ext));
752 ext->direct_reference =
753 odr_getoidbystr(odr_en, "1.2.840.10003.16.2");
754 ext->indirect_reference = 0;
756 ext->which = Z_External_CQL;
757 ext->u.cql = odr_strdup(odr_en, req->query.cql);
759 z_query->which = Z_Query_type_104;
760 z_query->u.type_104 = ext;
764 if (req->query_type == Z_SRW_query_type_pqf)
766 Z_RPNQuery *RPNquery;
767 YAZ_PQF_Parser pqf_parser;
769 pqf_parser = yaz_pqf_create ();
771 RPNquery = yaz_pqf_parse (pqf_parser, odr_en, req->query.pqf);
774 std::cout << "TODO: Handeling of bad PQF\n";
775 std::cout << "TODO: Diagnostic to be send\n";
777 z_query->which = Z_Query_type_1;
778 z_query->u.type_1 = RPNquery;
780 yaz_pqf_destroy(pqf_parser);
788 yf::SRUtoZ3950::Impl::z3950_to_srw_diagnostics_ok(mp::odr &odr_en,
789 Z_SRW_searchRetrieveResponse
791 Z_Records *records) const
793 // checking non surrogate diagnostics in Z3950 present response package
795 && records->which == Z_Records_NSD
796 && records->u.nonSurrogateDiagnostic)
798 z3950_to_srw_diag(odr_en, sru_res,
799 records->u.nonSurrogateDiagnostic);
807 yf::SRUtoZ3950::Impl::z3950_to_srw_diag(mp::odr &odr_en,
808 Z_SRW_searchRetrieveResponse *sru_res,
809 Z_DefaultDiagFormat *ddf) const
811 int bib1_code = *ddf->condition;
812 sru_res->num_diagnostics = 1;
813 sru_res->diagnostics = (Z_SRW_diagnostic *)
814 odr_malloc(odr_en, sizeof(*sru_res->diagnostics));
815 yaz_mk_std_diagnostic(odr_en, sru_res->diagnostics,
816 yaz_diag_bib1_to_srw(bib1_code),
823 static mp::filter::Base* filter_creator()
825 return new mp::filter::SRUtoZ3950;
829 struct metaproxy_1_filter_struct metaproxy_1_filter_sru_to_z3950 = {
840 * c-file-style: "Stroustrup"
841 * indent-tabs-mode: nil
843 * vim: shiftwidth=4 tabstop=8 expandtab