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
24 #include "package.hpp"
26 #include "gduutil.hpp"
27 #include "sru_util.hpp"
28 #include "filter_sru_to_z3950.hpp"
31 #include <yaz/z-core.h>
33 #include <yaz/pquery.h>
34 #include <yaz/oid_db.h>
37 #include <boost/thread/mutex.hpp>
38 #include <boost/thread/condition.hpp>
43 /* #include <algorithm> */
46 namespace mp = metaproxy_1;
47 namespace mp_util = metaproxy_1::util;
48 namespace yf = mp::filter;
50 namespace metaproxy_1 {
52 class SRUtoZ3950::Impl {
54 void configure(const xmlNode *xmlnode);
55 void process(metaproxy_1::Package &package);
57 std::map<std::string, const xmlNode *> m_database_explain;
59 typedef std::map<std::string, int> ActiveUrlMap;
62 boost::condition m_cond_url_ready;
63 ActiveUrlMap m_active_urls;
65 void sru(metaproxy_1::Package &package, Z_GDU *zgdu_req);
66 bool z3950_build_query(
67 mp::odr &odr_en, Z_Query *z_query,
68 const Z_SRW_searchRetrieveRequest *req
71 bool z3950_init_request(
75 Z_SRW_PDU *sru_pdu_res,
76 const Z_SRW_PDU *sru_pdu_req
79 bool z3950_close_request(mp::Package &package) const;
81 bool z3950_search_request(
84 Z_SRW_PDU *sru_pdu_res,
85 Z_SRW_searchRetrieveRequest const *sr_req,
89 bool z3950_present_request(
92 Z_SRW_PDU *sru_pdu_res,
93 Z_SRW_searchRetrieveRequest const *sr_req
96 bool z3950_to_srw_diagnostics_ok(
98 Z_SRW_searchRetrieveResponse *srw_res,
102 int z3950_to_srw_diag(
104 Z_SRW_searchRetrieveResponse *srw_res,
105 Z_DefaultDiagFormat *ddf
112 yf::SRUtoZ3950::SRUtoZ3950() : m_p(new Impl)
116 yf::SRUtoZ3950::~SRUtoZ3950()
117 { // must have a destructor because of boost::scoped_ptr
120 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)
258 && sr_req->maximumRecords
259 && *(sr_req->maximumRecords))
261 ok = z3950_present_request(package, odr_en,
264 z3950_close_request(package);
269 else if (sru_pdu_req->which == Z_SRW_scan_request
270 && sru_pdu_req->u.scan_request)
272 sru_pdu_res = yaz_srw_get(odr_en, Z_SRW_scan_response);
274 // we do not do scan at the moment, therefore issuing a diagnostic
275 yaz_add_srw_diagnostic(odr_en,
276 &(sru_pdu_res->u.scan_response->diagnostics),
277 &(sru_pdu_res->u.scan_response->num_diagnostics),
278 YAZ_SRW_UNSUPP_OPERATION, "scan");
282 sru_pdu_res = yaz_srw_get(odr_en, Z_SRW_explain_response);
284 yaz_add_srw_diagnostic(odr_en,
285 &(sru_pdu_res->u.explain_response->diagnostics),
286 &(sru_pdu_res->u.explain_response->num_diagnostics),
287 YAZ_SRW_UNSUPP_OPERATION, "unknown");
290 // build and send SRU response
291 mp_util::build_sru_response(package, odr_en, soap,
292 sru_pdu_res, charset, stylesheet);
296 void yf::SRUtoZ3950::Impl::process(mp::Package &package)
298 Z_GDU *zgdu_req = package.request().get();
300 // ignoring all non HTTP_Request packages
301 if (!zgdu_req || !(zgdu_req->which == Z_GDU_HTTP_Request))
307 // only working on HTTP_Request packages now
309 // see if HTTP request is already being executed..
310 // we consider only the SRU - GET case..
311 if (zgdu_req->u.HTTP_Request->content_len == 0)
313 const char *path = zgdu_req->u.HTTP_Request->path;
314 boost::mutex::scoped_lock lock(m_mutex);
317 ActiveUrlMap::iterator it = m_active_urls.find(path);
318 if (it == m_active_urls.end())
320 m_active_urls[path] = 1;
323 yaz_log(YLOG_LOG, "Waiting for %s to complete", path);
324 m_cond_url_ready.wait(lock);
327 sru(package, zgdu_req);
328 if (zgdu_req->u.HTTP_Request->content_len == 0)
330 const char *path = zgdu_req->u.HTTP_Request->path;
331 boost::mutex::scoped_lock lock(m_mutex);
333 ActiveUrlMap::iterator it = m_active_urls.find(path);
335 m_active_urls.erase(it);
336 m_cond_url_ready.notify_all();
342 yf::SRUtoZ3950::Impl::z3950_init_request(mp::Package &package,
345 Z_SRW_PDU *sru_pdu_res,
346 const Z_SRW_PDU *sru_pdu_req) const
348 // prepare Z3950 package
349 Package z3950_package(package.session(), package.origin());
350 z3950_package.copy_filter(package);
352 // set initRequest APDU
353 Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_initRequest);
354 Z_InitRequest *init_req = apdu->u.initRequest;
356 Z_IdAuthentication *auth = NULL;
357 if (sru_pdu_req->username && !sru_pdu_req->password)
359 auth = (Z_IdAuthentication *) odr_malloc(odr_en, sizeof(Z_IdAuthentication));
360 auth->which = Z_IdAuthentication_open;
361 auth->u.open = odr_strdup(odr_en, sru_pdu_req->username);
363 else if (sru_pdu_req->username && sru_pdu_req->password)
365 auth = (Z_IdAuthentication *) odr_malloc(odr_en, sizeof(Z_IdAuthentication));
366 auth->which = Z_IdAuthentication_idPass;
367 auth->u.idPass = (Z_IdPass *) odr_malloc(odr_en, sizeof(Z_IdPass));
368 auth->u.idPass->groupId = NULL;
369 auth->u.idPass->password = odr_strdup(odr_en, sru_pdu_req->password);
370 auth->u.idPass->userId = odr_strdup(odr_en, sru_pdu_req->username);
373 init_req->idAuthentication = auth;
375 ODR_MASK_SET(init_req->options, Z_Options_search);
376 ODR_MASK_SET(init_req->options, Z_Options_present);
377 ODR_MASK_SET(init_req->options, Z_Options_namedResultSets);
378 ODR_MASK_SET(init_req->options, Z_Options_scan);
380 ODR_MASK_SET(init_req->protocolVersion, Z_ProtocolVersion_1);
381 ODR_MASK_SET(init_req->protocolVersion, Z_ProtocolVersion_2);
382 ODR_MASK_SET(init_req->protocolVersion, Z_ProtocolVersion_3);
387 std::list<std::string> dblist;
388 mp_util::split_zurl(zurl, host, dblist);
389 mp_util::set_vhost_otherinfo(&init_req->otherInfo, odr_en, host, 1);
392 z3950_package.request() = apdu;
394 // send Z3950 package
395 z3950_package.move();
397 // dead Z3950 backend detection
398 if (z3950_package.session().is_closed())
400 yaz_add_srw_diagnostic(odr_en,
401 &(sru_pdu_res->u.response->diagnostics),
402 &(sru_pdu_res->u.response->num_diagnostics),
403 YAZ_SRW_SYSTEM_TEMPORARILY_UNAVAILABLE, 0);
407 // check successful initResponse
408 Z_GDU *z3950_gdu = z3950_package.response().get();
410 if (z3950_gdu && z3950_gdu->which == Z_GDU_Z3950
411 && z3950_gdu->u.z3950->which == Z_APDU_initResponse
412 && *z3950_gdu->u.z3950->u.initResponse->result)
415 yaz_add_srw_diagnostic(odr_en,
416 &(sru_pdu_res->u.response->diagnostics),
417 &(sru_pdu_res->u.response->num_diagnostics),
418 YAZ_SRW_SYSTEM_TEMPORARILY_UNAVAILABLE, 0);
423 yf::SRUtoZ3950::Impl::z3950_close_request(mp::Package &package) const
425 // prepare and close Z3950 package
426 Package z3950_package(package.session(), package.origin());
427 z3950_package.copy_filter(package);
428 z3950_package.session().close();
431 //mp::odr odr_en(ODR_ENCODE);
432 //Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_close);
433 //z3950_package.request() = apdu;
435 z3950_package.move();
437 // check successful close response
438 //Z_GDU *z3950_gdu = z3950_package.response().get();
439 //if (z3950_gdu && z3950_gdu->which == Z_GDU_Z3950
440 // && z3950_gdu->u.z3950->which == Z_APDU_close)
443 if (z3950_package.session().is_closed())
450 bool yf::SRUtoZ3950::Impl::z3950_search_request(mp::Package &package,
452 Z_SRW_PDU *sru_pdu_res,
453 Z_SRW_searchRetrieveRequest
455 std::string zurl) const
458 assert(sru_pdu_res->u.response);
460 Package z3950_package(package.session(), package.origin());
461 z3950_package.copy_filter(package);
463 //add stuff in z3950 apdu
464 Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_searchRequest);
465 Z_SearchRequest *z_searchRequest = apdu->u.searchRequest;
468 if (!mp_util::set_databases_from_zurl(odr_en, zurl,
469 &z_searchRequest->num_databaseNames,
470 &z_searchRequest->databaseNames))
472 z_searchRequest->num_databaseNames = 1;
473 z_searchRequest->databaseNames = (char**)
474 odr_malloc(odr_en, sizeof(char *));
476 if (sr_req->database)
477 z_searchRequest->databaseNames[0]
478 = odr_strdup(odr_en, const_cast<char *>(sr_req->database));
480 z_searchRequest->databaseNames[0]
481 = odr_strdup(odr_en, "Default");
485 Z_Query *z_query = (Z_Query *) odr_malloc(odr_en, sizeof(Z_Query));
486 z_searchRequest->query = z_query;
488 if (!z3950_build_query(odr_en, z_query, sr_req))
490 yaz_add_srw_diagnostic(odr_en,
491 &(sru_pdu_res->u.response->diagnostics),
492 &(sru_pdu_res->u.response->num_diagnostics),
497 z3950_package.request() = apdu;
499 // send Z39.50 package off to backend
500 z3950_package.move();
503 Z_GDU *z3950_gdu = z3950_package.response().get();
505 //TODO: check success condition
506 //int yaz_diag_bib1_to_srw (int bib1_code);
507 //int yaz_diag_srw_to_bib1(int srw_code);
508 //Se kode i src/seshigh.c (srw_bend_search, srw_bend_init).
510 if (!z3950_gdu || z3950_gdu->which != Z_GDU_Z3950
511 || z3950_gdu->u.z3950->which != Z_APDU_searchResponse
512 || !z3950_gdu->u.z3950->u.searchResponse
513 || !z3950_gdu->u.z3950->u.searchResponse->searchStatus)
515 yaz_add_srw_diagnostic(odr_en,
516 &(sru_pdu_res->u.response->diagnostics),
517 &(sru_pdu_res->u.response->num_diagnostics),
522 // everything fine, continuing
523 Z_SearchResponse *sr = z3950_gdu->u.z3950->u.searchResponse;
525 // checking non surrogate diagnostics in Z3950 search response package
526 if (!z3950_to_srw_diagnostics_ok(odr_en, sru_pdu_res->u.response,
532 // Finally, roll on and srw'fy number of records
533 sru_pdu_res->u.response->numberOfRecords
534 = odr_intdup(odr_en, *sr->resultCount);
536 // srw'fy nextRecordPosition
537 //sru_pdu_res->u.response->nextRecordPosition
538 // = (int *) odr_malloc(odr_en, sizeof(int *));
539 //*(sru_pdu_res->u.response->nextRecordPosition) = 1;
545 yf::SRUtoZ3950::Impl::z3950_present_request(mp::Package &package,
547 Z_SRW_PDU *sru_pdu_res,
548 Z_SRW_searchRetrieveRequest
552 assert(sru_pdu_res->u.response);
559 if (sr_req->maximumRecords)
560 max_recs = *sr_req->maximumRecords;
561 if (sr_req->startRecord)
562 start = *sr_req->startRecord;
564 // no need to work if nobody wants record ..
568 bool send_z3950_present = true;
570 // recordXPath unsupported.
571 if (sr_req->recordXPath)
573 send_z3950_present = false;
574 yaz_add_srw_diagnostic(odr_en,
575 &(sru_pdu_res->u.response->diagnostics),
576 &(sru_pdu_res->u.response->num_diagnostics),
577 YAZ_SRW_XPATH_RETRIEVAL_UNSUPP, 0);
580 // resultSetTTL unsupported.
581 // resultSetIdleTime in response
582 if (sr_req->resultSetTTL)
584 send_z3950_present = false;
585 yaz_add_srw_diagnostic(odr_en,
586 &(sru_pdu_res->u.response->diagnostics),
587 &(sru_pdu_res->u.response->num_diagnostics),
588 YAZ_SRW_RESULT_SETS_UNSUPP, 0);
592 if (sr_req->sort_type != Z_SRW_sort_type_none)
594 send_z3950_present = false;
595 yaz_add_srw_diagnostic(odr_en,
596 &(sru_pdu_res->u.response->diagnostics),
597 &(sru_pdu_res->u.response->num_diagnostics),
598 YAZ_SRW_SORT_UNSUPP, 0);
601 // start record requested negative, or larger than number of records
602 if (start < 0 || start > *sru_pdu_res->u.response->numberOfRecords)
604 send_z3950_present = false;
605 yaz_add_srw_diagnostic(odr_en,
606 &(sru_pdu_res->u.response->diagnostics),
607 &(sru_pdu_res->u.response->num_diagnostics),
608 YAZ_SRW_FIRST_RECORD_POSITION_OUT_OF_RANGE, 0);
611 // maximumRecords requested negative
614 send_z3950_present = false;
615 yaz_add_srw_diagnostic(odr_en,
616 &(sru_pdu_res->u.response->diagnostics),
617 &(sru_pdu_res->u.response->num_diagnostics),
618 YAZ_SRW_UNSUPP_PARAMETER_VALUE,
622 // exit on all these above diagnostics
623 if (!send_z3950_present)
626 // now packaging the z3950 present request
627 Package z3950_package(package.session(), package.origin());
628 z3950_package.copy_filter(package);
629 Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_presentRequest);
631 assert(apdu->u.presentRequest);
633 // z3950'fy start record position
634 *apdu->u.presentRequest->resultSetStartPoint = start;
636 // z3950'fy number of records requested
637 // protect against requesting records out of range
638 if (max_recs < *sru_pdu_res->u.response->numberOfRecords - start + 1)
639 *apdu->u.presentRequest->numberOfRecordsRequested = max_recs;
641 *apdu->u.presentRequest->numberOfRecordsRequested =
642 *sru_pdu_res->u.response->numberOfRecords - start + 1;
644 // z3950'fy recordPacking
645 int record_packing = Z_SRW_recordPacking_XML;
646 if (sr_req->recordPacking && 's' == *(sr_req->recordPacking))
647 record_packing = Z_SRW_recordPacking_string;
649 // RecordSyntax will always be XML
650 apdu->u.presentRequest->preferredRecordSyntax
651 = odr_oiddup(odr_en, yaz_oid_recsyn_xml);
653 // z3950'fy record schema
654 if (sr_req->recordSchema)
656 apdu->u.presentRequest->recordComposition
657 = (Z_RecordComposition *)
658 odr_malloc(odr_en, sizeof(Z_RecordComposition));
659 apdu->u.presentRequest->recordComposition->which
660 = Z_RecordComp_simple;
661 apdu->u.presentRequest->recordComposition->u.simple
662 = mp_util::build_esn_from_schema(odr_en,
664 sr_req->recordSchema);
667 // z3950'fy time to live - flagged as diagnostics above
668 //if (sr_req->resultSetTTL)
670 // attaching Z3950 package to filter chain
671 z3950_package.request() = apdu;
673 // sending Z30.50 present request
674 z3950_package.move();
676 //check successful Z3950 present response
677 Z_GDU *z3950_gdu = z3950_package.response().get();
678 if (!z3950_gdu || z3950_gdu->which != Z_GDU_Z3950
679 || z3950_gdu->u.z3950->which != Z_APDU_presentResponse
680 || !z3950_gdu->u.z3950->u.presentResponse)
683 yaz_add_srw_diagnostic(odr_en,
684 &(sru_pdu_res->u.response->diagnostics),
685 &(sru_pdu_res->u.response->num_diagnostics),
686 YAZ_SRW_SYSTEM_TEMPORARILY_UNAVAILABLE, 0);
691 // everything fine, continuing
693 Z_PresentResponse *pr = z3950_gdu->u.z3950->u.presentResponse;
694 Z_SRW_searchRetrieveResponse *sru_res = sru_pdu_res->u.response;
697 // checking non surrogate diagnostics in Z3950 present response package
698 if (!z3950_to_srw_diagnostics_ok(odr_en, sru_pdu_res->u.response,
704 // copy all records if existing
705 if (pr->records && pr->records->which == Z_Records_DBOSD)
707 // srw'fy number of returned records
709 = pr->records->u.databaseOrSurDiagnostics->num_records;
712 = (Z_SRW_record *) odr_malloc(odr_en,
714 * sizeof(Z_SRW_record));
717 // srw'fy nextRecordPosition
718 // next position never zero or behind the last z3950 record
719 if (pr->nextResultSetPosition
720 && *(pr->nextResultSetPosition) > 0
721 && *(pr->nextResultSetPosition)
722 <= *(sru_pdu_res->u.response->numberOfRecords))
723 sru_res->nextRecordPosition
724 = odr_intdup(odr_en, *(pr->nextResultSetPosition));
726 // inserting all records
727 for (int i = 0; i < sru_res->num_records; i++)
729 int position = i + *apdu->u.presentRequest->resultSetStartPoint;
730 Z_NamePlusRecord *npr
731 = pr->records->u.databaseOrSurDiagnostics->records[i];
733 sru_res->records[i].recordPacking = record_packing;
735 if (npr->which == Z_NamePlusRecord_databaseRecord &&
736 npr->u.databaseRecord->direct_reference
737 && !oid_oidcmp(npr->u.databaseRecord->direct_reference,
740 // got XML record back
741 Z_External *r = npr->u.databaseRecord;
742 sru_res->records[i].recordPosition =
743 odr_intdup(odr_en, position);
744 sru_res->records[i].recordSchema = sr_req->recordSchema;
745 sru_res->records[i].recordData_buf
746 = odr_strdupn(odr_en,
747 (const char *)r->u.octet_aligned->buf,
748 r->u.octet_aligned->len);
749 sru_res->records[i].recordData_len
750 = r->u.octet_aligned->len;
754 // not XML or no database record at all
755 yaz_mk_sru_surrogate(
756 odr_en, sru_res->records + i, position,
757 YAZ_SRW_RECORD_NOT_AVAILABLE_IN_THIS_SCHEMA, 0);
765 bool yf::SRUtoZ3950::Impl::z3950_build_query(mp::odr &odr_en, Z_Query *z_query,
766 const Z_SRW_searchRetrieveRequest *req
769 if (req->query_type == Z_SRW_query_type_cql)
771 Z_External *ext = (Z_External *)
772 odr_malloc(odr_en, sizeof(*ext));
773 ext->direct_reference =
774 odr_getoidbystr(odr_en, "1.2.840.10003.16.2");
775 ext->indirect_reference = 0;
777 ext->which = Z_External_CQL;
778 ext->u.cql = odr_strdup(odr_en, req->query.cql);
780 z_query->which = Z_Query_type_104;
781 z_query->u.type_104 = ext;
785 if (req->query_type == Z_SRW_query_type_pqf)
787 Z_RPNQuery *RPNquery;
788 YAZ_PQF_Parser pqf_parser;
790 pqf_parser = yaz_pqf_create ();
792 RPNquery = yaz_pqf_parse (pqf_parser, odr_en, req->query.pqf);
795 std::cout << "TODO: Handeling of bad PQF\n";
796 std::cout << "TODO: Diagnostic to be send\n";
798 z_query->which = Z_Query_type_1;
799 z_query->u.type_1 = RPNquery;
801 yaz_pqf_destroy(pqf_parser);
809 yf::SRUtoZ3950::Impl::z3950_to_srw_diagnostics_ok(mp::odr &odr_en,
810 Z_SRW_searchRetrieveResponse
812 Z_Records *records) const
814 // checking non surrogate diagnostics in Z3950 present response package
816 && records->which == Z_Records_NSD
817 && records->u.nonSurrogateDiagnostic)
819 z3950_to_srw_diag(odr_en, sru_res,
820 records->u.nonSurrogateDiagnostic);
828 yf::SRUtoZ3950::Impl::z3950_to_srw_diag(mp::odr &odr_en,
829 Z_SRW_searchRetrieveResponse *sru_res,
830 Z_DefaultDiagFormat *ddf) const
832 int bib1_code = *ddf->condition;
833 sru_res->num_diagnostics = 1;
834 sru_res->diagnostics = (Z_SRW_diagnostic *)
835 odr_malloc(odr_en, sizeof(*sru_res->diagnostics));
836 yaz_mk_std_diagnostic(odr_en, sru_res->diagnostics,
837 yaz_diag_bib1_to_srw(bib1_code),
844 static mp::filter::Base* filter_creator()
846 return new mp::filter::SRUtoZ3950;
850 struct metaproxy_1_filter_struct metaproxy_1_filter_sru_to_z3950 = {
861 * c-file-style: "Stroustrup"
862 * indent-tabs-mode: nil
864 * vim: shiftwidth=4 tabstop=8 expandtab