1 /* This file is part of Metaproxy.
2 Copyright (C) 2005-2011 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 int 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,
122 m_p->configure(xmlnode);
125 void yf::SRUtoZ3950::process(mp::Package &package) const
127 m_p->process(package);
130 void yf::SRUtoZ3950::Impl::configure(const xmlNode *confignode)
132 const xmlNode * dbnode;
134 for (dbnode = confignode->children; dbnode; dbnode = dbnode->next)
136 if (dbnode->type != XML_ELEMENT_NODE)
139 std::string database;
140 mp::xml::check_element_mp(dbnode, "database");
142 for (struct _xmlAttr *attr = dbnode->properties;
143 attr; attr = attr->next)
146 mp::xml::check_attribute(attr, "", "name");
147 database = mp::xml::get_text(attr);
149 const xmlNode *explainnode;
150 for (explainnode = dbnode->children;
151 explainnode; explainnode = explainnode->next)
153 if (explainnode->type != XML_ELEMENT_NODE)
158 // assigning explain node to database name - no check yet
159 m_database_explain.insert(std::make_pair(database, explainnode));
164 void yf::SRUtoZ3950::Impl::sru(mp::Package &package, Z_GDU *zgdu_req)
168 mp::odr odr_de(ODR_DECODE);
169 Z_SRW_PDU *sru_pdu_req = 0;
171 mp::odr odr_en(ODR_ENCODE);
172 Z_SRW_PDU *sru_pdu_res = yaz_srw_get(odr_en, Z_SRW_explain_response);
174 // determine database with the HTTP header information only
175 mp_util::SRUServerInfo sruinfo = mp_util::get_sru_server_info(package);
176 std::map<std::string, const xmlNode *>::iterator idbexp;
177 idbexp = m_database_explain.find(sruinfo.database);
179 // assign explain config XML DOM node if database is known
180 const xmlNode *explainnode = 0;
181 if (idbexp != m_database_explain.end())
183 explainnode = idbexp->second;
186 // decode SRU request
189 char *stylesheet = 0;
191 // filter acts as sink for non-valid SRU requests
192 if (! (sru_pdu_req = mp_util::decode_sru_request(package, odr_de, odr_en,
194 charset, stylesheet)))
198 mp_util::build_sru_explain(package, odr_en, sru_pdu_res,
199 sruinfo, explainnode);
200 mp_util::build_sru_response(package, odr_en, soap,
201 sru_pdu_res, charset, stylesheet);
205 metaproxy_1::odr odr;
207 odr.create_HTTP_Response(package.session(),
208 zgdu_req->u.HTTP_Request, 400);
209 package.response() = zgdu_res;
215 Z_SRW_extra_arg *arg;
217 for ( arg = sru_pdu_req->extra_args; arg; arg = arg->next)
218 if (!strcmp(arg->name, "x-target"))
220 zurl = std::string(arg->value);
222 else if (!strcmp(arg->name, "x-max-sockets"))
224 package.origin().set_max_sockets(atoi(arg->value));
229 // filter acts as sink for SRU explain requests
230 if (sru_pdu_req->which == Z_SRW_explain_request)
232 Z_SRW_explainRequest *er_req = sru_pdu_req->u.explain_request;
233 //mp_util::build_simple_explain(package, odr_en, sru_pdu_res,
235 mp_util::build_sru_explain(package, odr_en, sru_pdu_res,
236 sruinfo, explainnode, er_req);
238 else if (sru_pdu_req->which == Z_SRW_searchRetrieve_request
239 && sru_pdu_req->u.request)
241 Z_SRW_searchRetrieveRequest *sr_req = sru_pdu_req->u.request;
243 sru_pdu_res = yaz_srw_get(odr_en, Z_SRW_searchRetrieve_response);
245 // checking that we have a query
246 ok = mp_util::check_sru_query_exists(package, odr_en,
247 sru_pdu_res, sr_req);
249 if (ok && z3950_init_request(package, odr_en,
250 zurl, sru_pdu_res, sru_pdu_req))
252 ok = z3950_search_request(package, odr_en,
253 sru_pdu_res, sr_req, zurl);
256 && sru_pdu_res->u.response->numberOfRecords
257 && *(sru_pdu_res->u.response->numberOfRecords))
259 ok = z3950_present_request(package, odr_en,
262 z3950_close_request(package);
267 else if (sru_pdu_req->which == Z_SRW_scan_request
268 && sru_pdu_req->u.scan_request)
270 sru_pdu_res = yaz_srw_get(odr_en, Z_SRW_scan_response);
272 // we do not do scan at the moment, therefore issuing a diagnostic
273 yaz_add_srw_diagnostic(odr_en,
274 &(sru_pdu_res->u.scan_response->diagnostics),
275 &(sru_pdu_res->u.scan_response->num_diagnostics),
276 YAZ_SRW_UNSUPP_OPERATION, "scan");
280 sru_pdu_res = yaz_srw_get(odr_en, Z_SRW_explain_response);
282 yaz_add_srw_diagnostic(odr_en,
283 &(sru_pdu_res->u.explain_response->diagnostics),
284 &(sru_pdu_res->u.explain_response->num_diagnostics),
285 YAZ_SRW_UNSUPP_OPERATION, "unknown");
288 // build and send SRU response
289 mp_util::build_sru_response(package, odr_en, soap,
290 sru_pdu_res, charset, stylesheet);
294 void yf::SRUtoZ3950::Impl::process(mp::Package &package)
296 Z_GDU *zgdu_req = package.request().get();
298 // ignoring all non HTTP_Request packages
299 if (!zgdu_req || !(zgdu_req->which == Z_GDU_HTTP_Request))
305 // only working on HTTP_Request packages now
307 // see if HTTP request is already being executed..
308 // we consider only the SRU - GET case..
309 if (zgdu_req->u.HTTP_Request->content_len == 0)
311 const char *path = zgdu_req->u.HTTP_Request->path;
312 boost::mutex::scoped_lock lock(m_mutex);
315 ActiveUrlMap::iterator it = m_active_urls.find(path);
316 if (it == m_active_urls.end())
318 m_active_urls[path] = 1;
321 yaz_log(YLOG_LOG, "Waiting for %s to complete", path);
322 m_cond_url_ready.wait(lock);
325 sru(package, zgdu_req);
326 if (zgdu_req->u.HTTP_Request->content_len == 0)
328 const char *path = zgdu_req->u.HTTP_Request->path;
329 boost::mutex::scoped_lock lock(m_mutex);
331 ActiveUrlMap::iterator it = m_active_urls.find(path);
333 m_active_urls.erase(it);
334 m_cond_url_ready.notify_all();
340 yf::SRUtoZ3950::Impl::z3950_init_request(mp::Package &package,
343 Z_SRW_PDU *sru_pdu_res,
344 const Z_SRW_PDU *sru_pdu_req) const
346 // prepare Z3950 package
347 Package z3950_package(package.session(), package.origin());
348 z3950_package.copy_filter(package);
350 // set initRequest APDU
351 Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_initRequest);
352 Z_InitRequest *init_req = apdu->u.initRequest;
354 Z_IdAuthentication *auth = NULL;
355 if (sru_pdu_req->username && !sru_pdu_req->password)
357 auth = (Z_IdAuthentication *) odr_malloc(odr_en, sizeof(Z_IdAuthentication));
358 auth->which = Z_IdAuthentication_open;
359 auth->u.open = odr_strdup(odr_en, sru_pdu_req->username);
361 else if (sru_pdu_req->username && sru_pdu_req->password)
363 auth = (Z_IdAuthentication *) odr_malloc(odr_en, sizeof(Z_IdAuthentication));
364 auth->which = Z_IdAuthentication_idPass;
365 auth->u.idPass = (Z_IdPass *) odr_malloc(odr_en, sizeof(Z_IdPass));
366 auth->u.idPass->groupId = NULL;
367 auth->u.idPass->password = odr_strdup(odr_en, sru_pdu_req->password);
368 auth->u.idPass->userId = odr_strdup(odr_en, sru_pdu_req->username);
371 init_req->idAuthentication = auth;
373 *init_req->preferredMessageSize = 10*1024*1024;
374 *init_req->maximumRecordSize = 10*1024*1024;
376 ODR_MASK_SET(init_req->options, Z_Options_search);
377 ODR_MASK_SET(init_req->options, Z_Options_present);
378 ODR_MASK_SET(init_req->options, Z_Options_namedResultSets);
379 ODR_MASK_SET(init_req->options, Z_Options_scan);
381 ODR_MASK_SET(init_req->protocolVersion, Z_ProtocolVersion_1);
382 ODR_MASK_SET(init_req->protocolVersion, Z_ProtocolVersion_2);
383 ODR_MASK_SET(init_req->protocolVersion, Z_ProtocolVersion_3);
388 std::list<std::string> dblist;
389 mp_util::split_zurl(zurl, host, dblist);
390 mp_util::set_vhost_otherinfo(&init_req->otherInfo, odr_en, host, 1);
393 z3950_package.request() = apdu;
395 // send Z3950 package
396 z3950_package.move();
398 // dead Z3950 backend detection
399 if (z3950_package.session().is_closed())
401 yaz_add_srw_diagnostic(odr_en,
402 &(sru_pdu_res->u.response->diagnostics),
403 &(sru_pdu_res->u.response->num_diagnostics),
404 YAZ_SRW_SYSTEM_TEMPORARILY_UNAVAILABLE, 0);
408 // check successful initResponse
409 Z_GDU *z3950_gdu = z3950_package.response().get();
411 if (z3950_gdu && z3950_gdu->which == Z_GDU_Z3950
412 && z3950_gdu->u.z3950->which == Z_APDU_initResponse
413 && *z3950_gdu->u.z3950->u.initResponse->result)
416 yaz_add_srw_diagnostic(odr_en,
417 &(sru_pdu_res->u.response->diagnostics),
418 &(sru_pdu_res->u.response->num_diagnostics),
419 YAZ_SRW_SYSTEM_TEMPORARILY_UNAVAILABLE, 0);
424 yf::SRUtoZ3950::Impl::z3950_close_request(mp::Package &package) const
426 // prepare and close Z3950 package
427 Package z3950_package(package.session(), package.origin());
428 z3950_package.copy_filter(package);
429 z3950_package.session().close();
432 //mp::odr odr_en(ODR_ENCODE);
433 //Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_close);
434 //z3950_package.request() = apdu;
436 z3950_package.move();
438 // check successful close response
439 //Z_GDU *z3950_gdu = z3950_package.response().get();
440 //if (z3950_gdu && z3950_gdu->which == Z_GDU_Z3950
441 // && z3950_gdu->u.z3950->which == Z_APDU_close)
444 if (z3950_package.session().is_closed())
451 bool yf::SRUtoZ3950::Impl::z3950_search_request(mp::Package &package,
453 Z_SRW_PDU *sru_pdu_res,
454 Z_SRW_searchRetrieveRequest
456 std::string zurl) const
459 assert(sru_pdu_res->u.response);
461 Package z3950_package(package.session(), package.origin());
462 z3950_package.copy_filter(package);
464 //add stuff in z3950 apdu
465 Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_searchRequest);
466 Z_SearchRequest *z_searchRequest = apdu->u.searchRequest;
469 if (!mp_util::set_databases_from_zurl(odr_en, zurl,
470 &z_searchRequest->num_databaseNames,
471 &z_searchRequest->databaseNames))
473 z_searchRequest->num_databaseNames = 1;
474 z_searchRequest->databaseNames = (char**)
475 odr_malloc(odr_en, sizeof(char *));
477 if (sr_req->database)
478 z_searchRequest->databaseNames[0]
479 = odr_strdup(odr_en, const_cast<char *>(sr_req->database));
481 z_searchRequest->databaseNames[0]
482 = odr_strdup(odr_en, "Default");
486 Z_Query *z_query = (Z_Query *) odr_malloc(odr_en, sizeof(Z_Query));
487 z_searchRequest->query = z_query;
489 int sru_diagnostic = z3950_build_query(odr_en, z_query, sr_req);
492 yaz_add_srw_diagnostic(odr_en,
493 &(sru_pdu_res->u.response->diagnostics),
494 &(sru_pdu_res->u.response->num_diagnostics),
500 z3950_package.request() = apdu;
502 // send Z39.50 package off to backend
503 z3950_package.move();
506 Z_GDU *z3950_gdu = z3950_package.response().get();
508 //TODO: check success condition
509 //int yaz_diag_bib1_to_srw (int bib1_code);
510 //int yaz_diag_srw_to_bib1(int srw_code);
511 //Se kode i src/seshigh.c (srw_bend_search, srw_bend_init).
513 if (!z3950_gdu || z3950_gdu->which != Z_GDU_Z3950
514 || z3950_gdu->u.z3950->which != Z_APDU_searchResponse
515 || !z3950_gdu->u.z3950->u.searchResponse
516 || !z3950_gdu->u.z3950->u.searchResponse->searchStatus)
518 yaz_add_srw_diagnostic(odr_en,
519 &(sru_pdu_res->u.response->diagnostics),
520 &(sru_pdu_res->u.response->num_diagnostics),
521 YAZ_SRW_SYSTEM_TEMPORARILY_UNAVAILABLE, 0);
525 // everything fine, continuing
526 Z_SearchResponse *sr = z3950_gdu->u.z3950->u.searchResponse;
528 // checking non surrogate diagnostics in Z3950 search response package
529 if (!z3950_to_srw_diagnostics_ok(odr_en, sru_pdu_res->u.response,
535 // Finally, roll on and srw'fy number of records
536 sru_pdu_res->u.response->numberOfRecords
537 = odr_intdup(odr_en, *sr->resultCount);
539 // srw'fy nextRecordPosition
540 //sru_pdu_res->u.response->nextRecordPosition
541 // = (int *) odr_malloc(odr_en, sizeof(int *));
542 //*(sru_pdu_res->u.response->nextRecordPosition) = 1;
548 yf::SRUtoZ3950::Impl::z3950_present_request(
549 mp::Package &package,
551 Z_SRW_PDU *sru_pdu_res,
552 const Z_SRW_searchRetrieveRequest *sr_req)
555 assert(sru_pdu_res->u.response);
562 if (sr_req->maximumRecords)
563 max_recs = *sr_req->maximumRecords;
564 if (sr_req->startRecord)
565 start = *sr_req->startRecord;
567 // no need to work if nobody wants record ..
571 bool send_z3950_present = true;
573 // recordXPath unsupported.
574 if (sr_req->recordXPath)
576 send_z3950_present = false;
577 yaz_add_srw_diagnostic(odr_en,
578 &(sru_pdu_res->u.response->diagnostics),
579 &(sru_pdu_res->u.response->num_diagnostics),
580 YAZ_SRW_XPATH_RETRIEVAL_UNSUPP, 0);
583 // resultSetTTL unsupported.
584 // resultSetIdleTime in response
585 if (sr_req->resultSetTTL)
587 send_z3950_present = false;
588 yaz_add_srw_diagnostic(odr_en,
589 &(sru_pdu_res->u.response->diagnostics),
590 &(sru_pdu_res->u.response->num_diagnostics),
591 YAZ_SRW_RESULT_SETS_UNSUPP, 0);
595 if (sr_req->sort_type != Z_SRW_sort_type_none)
597 send_z3950_present = false;
598 yaz_add_srw_diagnostic(odr_en,
599 &(sru_pdu_res->u.response->diagnostics),
600 &(sru_pdu_res->u.response->num_diagnostics),
601 YAZ_SRW_SORT_UNSUPP, 0);
604 // start record requested negative, or larger than number of records
605 if (start < 0 || start > *sru_pdu_res->u.response->numberOfRecords)
607 send_z3950_present = false;
608 yaz_add_srw_diagnostic(odr_en,
609 &(sru_pdu_res->u.response->diagnostics),
610 &(sru_pdu_res->u.response->num_diagnostics),
611 YAZ_SRW_FIRST_RECORD_POSITION_OUT_OF_RANGE, 0);
614 // maximumRecords requested negative
617 send_z3950_present = false;
618 yaz_add_srw_diagnostic(odr_en,
619 &(sru_pdu_res->u.response->diagnostics),
620 &(sru_pdu_res->u.response->num_diagnostics),
621 YAZ_SRW_UNSUPP_PARAMETER_VALUE,
625 // exit on all these above diagnostics
626 if (!send_z3950_present)
629 if (max_recs > *sru_pdu_res->u.response->numberOfRecords - start)
630 max_recs = *sru_pdu_res->u.response->numberOfRecords - start + 1;
632 Z_SRW_searchRetrieveResponse *sru_res = sru_pdu_res->u.response;
633 sru_res->records = (Z_SRW_record *)
634 odr_malloc(odr_en, max_recs * sizeof(Z_SRW_record));
636 while (num < max_recs)
638 // now packaging the z3950 present request
639 Package z3950_package(package.session(), package.origin());
640 z3950_package.copy_filter(package);
641 Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_presentRequest);
643 assert(apdu->u.presentRequest);
645 *apdu->u.presentRequest->resultSetStartPoint = start + num;
646 *apdu->u.presentRequest->numberOfRecordsRequested = max_recs - num;
648 // set response packing to be same as "request" packing..
649 int record_packing = Z_SRW_recordPacking_XML;
650 if (sr_req->recordPacking && 's' == *(sr_req->recordPacking))
651 record_packing = Z_SRW_recordPacking_string;
653 // RecordSyntax will always be XML
654 apdu->u.presentRequest->preferredRecordSyntax
655 = odr_oiddup(odr_en, yaz_oid_recsyn_xml);
657 // z3950'fy record schema
658 if (sr_req->recordSchema)
660 apdu->u.presentRequest->recordComposition
661 = (Z_RecordComposition *)
662 odr_malloc(odr_en, sizeof(Z_RecordComposition));
663 apdu->u.presentRequest->recordComposition->which
664 = Z_RecordComp_simple;
665 apdu->u.presentRequest->recordComposition->u.simple
666 = mp_util::build_esn_from_schema(odr_en,
668 sr_req->recordSchema);
671 // attaching Z3950 package to filter chain
672 z3950_package.request() = apdu;
674 // sending Z30.50 present request
675 z3950_package.move();
677 //check successful Z3950 present response
678 Z_GDU *z3950_gdu = z3950_package.response().get();
679 if (!z3950_gdu || z3950_gdu->which != Z_GDU_Z3950
680 || z3950_gdu->u.z3950->which != Z_APDU_presentResponse
681 || !z3950_gdu->u.z3950->u.presentResponse)
684 yaz_add_srw_diagnostic(odr_en,
685 &(sru_pdu_res->u.response->diagnostics),
686 &(sru_pdu_res->u.response->num_diagnostics),
687 YAZ_SRW_SYSTEM_TEMPORARILY_UNAVAILABLE, 0);
690 // everything fine, continuing
692 Z_PresentResponse *pr = z3950_gdu->u.z3950->u.presentResponse;
694 // checking non surrogate diagnostics in Z3950 present response package
695 if (!z3950_to_srw_diagnostics_ok(odr_en, sru_pdu_res->u.response,
699 // if anything but database or surrogate diagnostics, stop
700 if (!pr->records || pr->records->which != Z_Records_DBOSD)
704 // inserting all records
706 pr->records->u.databaseOrSurDiagnostics->num_records;
707 for (int i = 0; i < returned_recs; i++)
709 int position = i + *apdu->u.presentRequest->resultSetStartPoint;
710 Z_NamePlusRecord *npr
711 = pr->records->u.databaseOrSurDiagnostics->records[i];
713 sru_res->records[i + num].recordPacking = record_packing;
715 if (npr->which == Z_NamePlusRecord_databaseRecord &&
716 npr->u.databaseRecord->direct_reference
717 && !oid_oidcmp(npr->u.databaseRecord->direct_reference,
720 // got XML record back
721 Z_External *r = npr->u.databaseRecord;
722 sru_res->records[i + num].recordPosition =
723 odr_intdup(odr_en, position);
724 sru_res->records[i + num].recordSchema = sr_req->recordSchema;
725 sru_res->records[i + num].recordData_buf
726 = odr_strdupn(odr_en,
727 (const char *)r->u.octet_aligned->buf,
728 r->u.octet_aligned->len);
729 sru_res->records[i + num].recordData_len
730 = r->u.octet_aligned->len;
734 // not XML or no database record at all
735 yaz_mk_sru_surrogate(
736 odr_en, sru_res->records + i + num, position,
737 YAZ_SRW_RECORD_NOT_AVAILABLE_IN_THIS_SCHEMA, 0);
740 num += returned_recs;
743 sru_res->num_records = num;
744 if (start - 1 + num < *sru_pdu_res->u.response->numberOfRecords)
745 sru_res->nextRecordPosition =
746 odr_intdup(odr_en, start + num);
750 int yf::SRUtoZ3950::Impl::z3950_build_query(mp::odr &odr_en, Z_Query *z_query,
751 const Z_SRW_searchRetrieveRequest *req
754 if (req->query_type == Z_SRW_query_type_cql)
756 Z_External *ext = (Z_External *)
757 odr_malloc(odr_en, sizeof(*ext));
758 ext->direct_reference =
759 odr_getoidbystr(odr_en, "1.2.840.10003.16.2");
760 ext->indirect_reference = 0;
762 ext->which = Z_External_CQL;
763 ext->u.cql = odr_strdup(odr_en, req->query.cql);
765 z_query->which = Z_Query_type_104;
766 z_query->u.type_104 = ext;
770 if (req->query_type == Z_SRW_query_type_pqf)
772 Z_RPNQuery *RPNquery;
773 YAZ_PQF_Parser pqf_parser;
775 pqf_parser = yaz_pqf_create ();
777 RPNquery = yaz_pqf_parse (pqf_parser, odr_en, req->query.pqf);
779 yaz_pqf_destroy(pqf_parser);
782 return YAZ_SRW_QUERY_SYNTAX_ERROR;
784 z_query->which = Z_Query_type_1;
785 z_query->u.type_1 = RPNquery;
789 return YAZ_SRW_MANDATORY_PARAMETER_NOT_SUPPLIED;
794 yf::SRUtoZ3950::Impl::z3950_to_srw_diagnostics_ok(mp::odr &odr_en,
795 Z_SRW_searchRetrieveResponse
797 Z_Records *records) const
799 // checking non surrogate diagnostics in Z3950 present response package
801 && records->which == Z_Records_NSD
802 && records->u.nonSurrogateDiagnostic)
804 z3950_to_srw_diag(odr_en, sru_res,
805 records->u.nonSurrogateDiagnostic);
813 yf::SRUtoZ3950::Impl::z3950_to_srw_diag(mp::odr &odr_en,
814 Z_SRW_searchRetrieveResponse *sru_res,
815 Z_DefaultDiagFormat *ddf) const
817 int bib1_code = *ddf->condition;
818 sru_res->num_diagnostics = 1;
819 sru_res->diagnostics = (Z_SRW_diagnostic *)
820 odr_malloc(odr_en, sizeof(*sru_res->diagnostics));
821 yaz_mk_std_diagnostic(odr_en, sru_res->diagnostics,
822 yaz_diag_bib1_to_srw(bib1_code),
829 static mp::filter::Base* filter_creator()
831 return new mp::filter::SRUtoZ3950;
835 struct metaproxy_1_filter_struct metaproxy_1_filter_sru_to_z3950 = {
846 * c-file-style: "Stroustrup"
847 * indent-tabs-mode: nil
849 * vim: shiftwidth=4 tabstop=8 expandtab