1 /* This file is part of Metaproxy.
2 Copyright (C) 2005-2009 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;
185 // just moving package if database is not known
193 // decode SRU request
196 char *stylesheet = 0;
198 // filter acts as sink for non-valid SRU requests
199 if (! (sru_pdu_req = mp_util::decode_sru_request(package, odr_de, odr_en,
201 charset, stylesheet)))
205 mp_util::build_sru_explain(package, odr_en, sru_pdu_res,
206 sruinfo, explainnode);
207 mp_util::build_sru_response(package, odr_en, soap,
208 sru_pdu_res, charset, stylesheet);
212 metaproxy_1::odr odr;
214 odr.create_HTTP_Response(package.session(),
215 zgdu_req->u.HTTP_Request, 400);
216 package.response() = zgdu_res;
222 Z_SRW_extra_arg *arg;
224 for ( arg = sru_pdu_req->extra_args; arg; arg = arg->next)
225 if (!strcmp(arg->name, "x-target"))
227 zurl = std::string(arg->value);
229 else if (!strcmp(arg->name, "x-max-sockets"))
231 package.origin().set_max_sockets(atoi(arg->value));
236 // filter acts as sink for SRU explain requests
237 if (sru_pdu_req->which == Z_SRW_explain_request)
239 Z_SRW_explainRequest *er_req = sru_pdu_req->u.explain_request;
240 //mp_util::build_simple_explain(package, odr_en, sru_pdu_res,
242 mp_util::build_sru_explain(package, odr_en, sru_pdu_res,
243 sruinfo, explainnode, er_req);
245 else if (sru_pdu_req->which == Z_SRW_searchRetrieve_request
246 && sru_pdu_req->u.request)
248 Z_SRW_searchRetrieveRequest *sr_req = sru_pdu_req->u.request;
250 sru_pdu_res = yaz_srw_get(odr_en, Z_SRW_searchRetrieve_response);
252 // checking that we have a query
253 ok = mp_util::check_sru_query_exists(package, odr_en,
254 sru_pdu_res, sr_req);
256 if (ok && z3950_init_request(package, odr_en,
257 zurl, sru_pdu_res, sru_pdu_req))
259 ok = z3950_search_request(package, odr_en,
260 sru_pdu_res, sr_req, zurl);
263 && sru_pdu_res->u.response->numberOfRecords
264 && *(sru_pdu_res->u.response->numberOfRecords)
265 && sr_req->maximumRecords
266 && *(sr_req->maximumRecords))
268 ok = z3950_present_request(package, odr_en,
271 z3950_close_request(package);
276 else if (sru_pdu_req->which == Z_SRW_scan_request
277 && sru_pdu_req->u.scan_request)
279 sru_pdu_res = yaz_srw_get(odr_en, Z_SRW_scan_response);
281 // we do not do scan at the moment, therefore issuing a diagnostic
282 yaz_add_srw_diagnostic(odr_en,
283 &(sru_pdu_res->u.scan_response->diagnostics),
284 &(sru_pdu_res->u.scan_response->num_diagnostics),
285 YAZ_SRW_UNSUPP_OPERATION, "scan");
289 sru_pdu_res = yaz_srw_get(odr_en, Z_SRW_explain_response);
291 yaz_add_srw_diagnostic(odr_en,
292 &(sru_pdu_res->u.explain_response->diagnostics),
293 &(sru_pdu_res->u.explain_response->num_diagnostics),
294 YAZ_SRW_UNSUPP_OPERATION, "unknown");
297 // build and send SRU response
298 mp_util::build_sru_response(package, odr_en, soap,
299 sru_pdu_res, charset, stylesheet);
303 void yf::SRUtoZ3950::Impl::process(mp::Package &package)
305 Z_GDU *zgdu_req = package.request().get();
307 // ignoring all non HTTP_Request packages
308 if (!zgdu_req || !(zgdu_req->which == Z_GDU_HTTP_Request))
314 // only working on HTTP_Request packages now
316 // see if HTTP request is already being executed..
317 // we consider only the SRU - GET case..
318 if (zgdu_req->u.HTTP_Request->content_len == 0)
320 const char *path = zgdu_req->u.HTTP_Request->path;
321 boost::mutex::scoped_lock lock(m_mutex);
324 ActiveUrlMap::iterator it = m_active_urls.find(path);
325 if (it == m_active_urls.end())
327 m_active_urls[path] = 1;
330 yaz_log(YLOG_LOG, "Waiting for %s to complete", path);
331 m_cond_url_ready.wait(lock);
334 sru(package, zgdu_req);
335 if (zgdu_req->u.HTTP_Request->content_len == 0)
337 const char *path = zgdu_req->u.HTTP_Request->path;
338 boost::mutex::scoped_lock lock(m_mutex);
340 ActiveUrlMap::iterator it = m_active_urls.find(path);
342 m_active_urls.erase(it);
343 m_cond_url_ready.notify_all();
349 yf::SRUtoZ3950::Impl::z3950_init_request(mp::Package &package,
352 Z_SRW_PDU *sru_pdu_res,
353 const Z_SRW_PDU *sru_pdu_req) const
355 // prepare Z3950 package
356 Package z3950_package(package.session(), package.origin());
357 z3950_package.copy_filter(package);
359 // set initRequest APDU
360 Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_initRequest);
361 Z_InitRequest *init_req = apdu->u.initRequest;
363 Z_IdAuthentication *auth = NULL;
364 if (sru_pdu_req->username && !sru_pdu_req->password)
366 auth = (Z_IdAuthentication *) odr_malloc(odr_en, sizeof(Z_IdAuthentication));
367 auth->which = Z_IdAuthentication_open;
368 auth->u.open = odr_strdup(odr_en, sru_pdu_req->username);
370 else if (sru_pdu_req->username && sru_pdu_req->password)
372 auth = (Z_IdAuthentication *) odr_malloc(odr_en, sizeof(Z_IdAuthentication));
373 auth->which = Z_IdAuthentication_idPass;
374 auth->u.idPass = (Z_IdPass *) odr_malloc(odr_en, sizeof(Z_IdPass));
375 auth->u.idPass->groupId = NULL;
376 auth->u.idPass->password = odr_strdup(odr_en, sru_pdu_req->password);
377 auth->u.idPass->userId = odr_strdup(odr_en, sru_pdu_req->username);
380 init_req->idAuthentication = auth;
382 ODR_MASK_SET(init_req->options, Z_Options_search);
383 ODR_MASK_SET(init_req->options, Z_Options_present);
384 ODR_MASK_SET(init_req->options, Z_Options_namedResultSets);
385 ODR_MASK_SET(init_req->options, Z_Options_scan);
387 ODR_MASK_SET(init_req->protocolVersion, Z_ProtocolVersion_1);
388 ODR_MASK_SET(init_req->protocolVersion, Z_ProtocolVersion_2);
389 ODR_MASK_SET(init_req->protocolVersion, Z_ProtocolVersion_3);
394 std::list<std::string> dblist;
395 mp_util::split_zurl(zurl, host, dblist);
396 mp_util::set_vhost_otherinfo(&init_req->otherInfo, odr_en, host, 1);
399 z3950_package.request() = apdu;
401 // send Z3950 package
402 z3950_package.move();
404 // dead Z3950 backend detection
405 if (z3950_package.session().is_closed())
407 yaz_add_srw_diagnostic(odr_en,
408 &(sru_pdu_res->u.response->diagnostics),
409 &(sru_pdu_res->u.response->num_diagnostics),
410 YAZ_SRW_SYSTEM_TEMPORARILY_UNAVAILABLE, 0);
414 // check successful initResponse
415 Z_GDU *z3950_gdu = z3950_package.response().get();
417 if (z3950_gdu && z3950_gdu->which == Z_GDU_Z3950
418 && z3950_gdu->u.z3950->which == Z_APDU_initResponse
419 && *z3950_gdu->u.z3950->u.initResponse->result)
422 yaz_add_srw_diagnostic(odr_en,
423 &(sru_pdu_res->u.response->diagnostics),
424 &(sru_pdu_res->u.response->num_diagnostics),
425 YAZ_SRW_SYSTEM_TEMPORARILY_UNAVAILABLE, 0);
430 yf::SRUtoZ3950::Impl::z3950_close_request(mp::Package &package) const
432 // prepare and close Z3950 package
433 Package z3950_package(package.session(), package.origin());
434 z3950_package.copy_filter(package);
435 z3950_package.session().close();
438 //mp::odr odr_en(ODR_ENCODE);
439 //Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_close);
440 //z3950_package.request() = apdu;
442 z3950_package.move();
444 // check successful close response
445 //Z_GDU *z3950_gdu = z3950_package.response().get();
446 //if (z3950_gdu && z3950_gdu->which == Z_GDU_Z3950
447 // && z3950_gdu->u.z3950->which == Z_APDU_close)
450 if (z3950_package.session().is_closed())
457 bool yf::SRUtoZ3950::Impl::z3950_search_request(mp::Package &package,
459 Z_SRW_PDU *sru_pdu_res,
460 Z_SRW_searchRetrieveRequest
462 std::string zurl) const
465 assert(sru_pdu_res->u.response);
467 Package z3950_package(package.session(), package.origin());
468 z3950_package.copy_filter(package);
470 //add stuff in z3950 apdu
471 Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_searchRequest);
472 Z_SearchRequest *z_searchRequest = apdu->u.searchRequest;
475 if (!mp_util::set_databases_from_zurl(odr_en, zurl,
476 &z_searchRequest->num_databaseNames,
477 &z_searchRequest->databaseNames))
479 z_searchRequest->num_databaseNames = 1;
480 z_searchRequest->databaseNames = (char**)
481 odr_malloc(odr_en, sizeof(char *));
483 if (sr_req->database)
484 z_searchRequest->databaseNames[0]
485 = odr_strdup(odr_en, const_cast<char *>(sr_req->database));
487 z_searchRequest->databaseNames[0]
488 = odr_strdup(odr_en, "Default");
492 Z_Query *z_query = (Z_Query *) odr_malloc(odr_en, sizeof(Z_Query));
493 z_searchRequest->query = z_query;
495 if (!z3950_build_query(odr_en, z_query, sr_req))
497 yaz_add_srw_diagnostic(odr_en,
498 &(sru_pdu_res->u.response->diagnostics),
499 &(sru_pdu_res->u.response->num_diagnostics),
504 z3950_package.request() = apdu;
506 // send Z39.50 package off to backend
507 z3950_package.move();
510 Z_GDU *z3950_gdu = z3950_package.response().get();
512 //TODO: check success condition
513 //int yaz_diag_bib1_to_srw (int bib1_code);
514 //int yaz_diag_srw_to_bib1(int srw_code);
515 //Se kode i src/seshigh.c (srw_bend_search, srw_bend_init).
517 if (!z3950_gdu || z3950_gdu->which != Z_GDU_Z3950
518 || z3950_gdu->u.z3950->which != Z_APDU_searchResponse
519 || !z3950_gdu->u.z3950->u.searchResponse
520 || !z3950_gdu->u.z3950->u.searchResponse->searchStatus)
522 yaz_add_srw_diagnostic(odr_en,
523 &(sru_pdu_res->u.response->diagnostics),
524 &(sru_pdu_res->u.response->num_diagnostics),
529 // everything fine, continuing
530 Z_SearchResponse *sr = z3950_gdu->u.z3950->u.searchResponse;
532 // checking non surrogate diagnostics in Z3950 search response package
533 if (!z3950_to_srw_diagnostics_ok(odr_en, sru_pdu_res->u.response,
539 // Finally, roll on and srw'fy number of records
540 sru_pdu_res->u.response->numberOfRecords
541 = odr_intdup(odr_en, *sr->resultCount);
543 // srw'fy nextRecordPosition
544 //sru_pdu_res->u.response->nextRecordPosition
545 // = (int *) odr_malloc(odr_en, sizeof(int *));
546 //*(sru_pdu_res->u.response->nextRecordPosition) = 1;
552 yf::SRUtoZ3950::Impl::z3950_present_request(mp::Package &package,
554 Z_SRW_PDU *sru_pdu_res,
555 Z_SRW_searchRetrieveRequest
559 assert(sru_pdu_res->u.response);
566 if (sr_req->maximumRecords)
567 max_recs = *sr_req->maximumRecords;
568 if (sr_req->startRecord)
569 start = *sr_req->startRecord;
571 // no need to work if nobody wants record ..
575 bool send_z3950_present = true;
577 // recordXPath unsupported.
578 if (sr_req->recordXPath)
580 send_z3950_present = false;
581 yaz_add_srw_diagnostic(odr_en,
582 &(sru_pdu_res->u.response->diagnostics),
583 &(sru_pdu_res->u.response->num_diagnostics),
584 YAZ_SRW_XPATH_RETRIEVAL_UNSUPP, 0);
587 // resultSetTTL unsupported.
588 // resultSetIdleTime in response
589 if (sr_req->resultSetTTL)
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_RESULT_SETS_UNSUPP, 0);
599 if (sr_req->sort_type != Z_SRW_sort_type_none)
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_SORT_UNSUPP, 0);
608 // start record requested negative, or larger than number of records
609 if (start < 0 || start > *sru_pdu_res->u.response->numberOfRecords)
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_FIRST_RECORD_POSITION_OUT_OF_RANGE, 0);
618 // maximumRecords requested negative
621 send_z3950_present = false;
622 yaz_add_srw_diagnostic(odr_en,
623 &(sru_pdu_res->u.response->diagnostics),
624 &(sru_pdu_res->u.response->num_diagnostics),
625 YAZ_SRW_UNSUPP_PARAMETER_VALUE,
629 // exit on all these above diagnostics
630 if (!send_z3950_present)
633 // now packaging the z3950 present request
634 Package z3950_package(package.session(), package.origin());
635 z3950_package.copy_filter(package);
636 Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_presentRequest);
638 assert(apdu->u.presentRequest);
640 // z3950'fy start record position
641 *apdu->u.presentRequest->resultSetStartPoint = start;
643 // z3950'fy number of records requested
644 // protect against requesting records out of range
645 if (max_recs < *sru_pdu_res->u.response->numberOfRecords - start + 1)
646 *apdu->u.presentRequest->numberOfRecordsRequested = max_recs;
648 *apdu->u.presentRequest->numberOfRecordsRequested =
649 *sru_pdu_res->u.response->numberOfRecords - start + 1;
651 // z3950'fy recordPacking
652 int record_packing = Z_SRW_recordPacking_XML;
653 if (sr_req->recordPacking && 's' == *(sr_req->recordPacking))
654 record_packing = Z_SRW_recordPacking_string;
656 // RecordSyntax will always be XML
657 apdu->u.presentRequest->preferredRecordSyntax
658 = odr_oiddup(odr_en, yaz_oid_recsyn_xml);
660 // z3950'fy record schema
661 if (sr_req->recordSchema)
663 apdu->u.presentRequest->recordComposition
664 = (Z_RecordComposition *)
665 odr_malloc(odr_en, sizeof(Z_RecordComposition));
666 apdu->u.presentRequest->recordComposition->which
667 = Z_RecordComp_simple;
668 apdu->u.presentRequest->recordComposition->u.simple
669 = mp_util::build_esn_from_schema(odr_en,
671 sr_req->recordSchema);
674 // z3950'fy time to live - flagged as diagnostics above
675 //if (sr_req->resultSetTTL)
677 // attaching Z3950 package to filter chain
678 z3950_package.request() = apdu;
680 // sending Z30.50 present request
681 z3950_package.move();
683 //check successful Z3950 present response
684 Z_GDU *z3950_gdu = z3950_package.response().get();
685 if (!z3950_gdu || z3950_gdu->which != Z_GDU_Z3950
686 || z3950_gdu->u.z3950->which != Z_APDU_presentResponse
687 || !z3950_gdu->u.z3950->u.presentResponse)
690 yaz_add_srw_diagnostic(odr_en,
691 &(sru_pdu_res->u.response->diagnostics),
692 &(sru_pdu_res->u.response->num_diagnostics),
693 YAZ_SRW_SYSTEM_TEMPORARILY_UNAVAILABLE, 0);
698 // everything fine, continuing
700 Z_PresentResponse *pr = z3950_gdu->u.z3950->u.presentResponse;
701 Z_SRW_searchRetrieveResponse *sru_res = sru_pdu_res->u.response;
704 // checking non surrogate diagnostics in Z3950 present response package
705 if (!z3950_to_srw_diagnostics_ok(odr_en, sru_pdu_res->u.response,
711 // copy all records if existing
712 if (pr->records && pr->records->which == Z_Records_DBOSD)
714 // srw'fy number of returned records
716 = pr->records->u.databaseOrSurDiagnostics->num_records;
719 = (Z_SRW_record *) odr_malloc(odr_en,
721 * sizeof(Z_SRW_record));
724 // srw'fy nextRecordPosition
725 // next position never zero or behind the last z3950 record
726 if (pr->nextResultSetPosition
727 && *(pr->nextResultSetPosition) > 0
728 && *(pr->nextResultSetPosition)
729 <= *(sru_pdu_res->u.response->numberOfRecords))
730 sru_res->nextRecordPosition
731 = odr_intdup(odr_en, *(pr->nextResultSetPosition));
733 // inserting all records
734 for (int i = 0; i < sru_res->num_records; i++)
736 int position = i + *apdu->u.presentRequest->resultSetStartPoint;
737 Z_NamePlusRecord *npr
738 = pr->records->u.databaseOrSurDiagnostics->records[i];
740 sru_res->records[i].recordPacking = record_packing;
742 if (npr->which == Z_NamePlusRecord_databaseRecord &&
743 npr->u.databaseRecord->direct_reference
744 && !oid_oidcmp(npr->u.databaseRecord->direct_reference,
747 // got XML record back
748 Z_External *r = npr->u.databaseRecord;
749 sru_res->records[i].recordPosition =
750 odr_intdup(odr_en, position);
751 sru_res->records[i].recordSchema = sr_req->recordSchema;
752 sru_res->records[i].recordData_buf
753 = odr_strdupn(odr_en,
754 (const char *)r->u.octet_aligned->buf,
755 r->u.octet_aligned->len);
756 sru_res->records[i].recordData_len
757 = r->u.octet_aligned->len;
761 // not XML or no database record at all
762 yaz_mk_sru_surrogate(
763 odr_en, sru_res->records + i, position,
764 YAZ_SRW_RECORD_NOT_AVAILABLE_IN_THIS_SCHEMA, 0);
772 bool yf::SRUtoZ3950::Impl::z3950_build_query(mp::odr &odr_en, Z_Query *z_query,
773 const Z_SRW_searchRetrieveRequest *req
776 if (req->query_type == Z_SRW_query_type_cql)
778 Z_External *ext = (Z_External *)
779 odr_malloc(odr_en, sizeof(*ext));
780 ext->direct_reference =
781 odr_getoidbystr(odr_en, "1.2.840.10003.16.2");
782 ext->indirect_reference = 0;
784 ext->which = Z_External_CQL;
785 ext->u.cql = odr_strdup(odr_en, req->query.cql);
787 z_query->which = Z_Query_type_104;
788 z_query->u.type_104 = ext;
792 if (req->query_type == Z_SRW_query_type_pqf)
794 Z_RPNQuery *RPNquery;
795 YAZ_PQF_Parser pqf_parser;
797 pqf_parser = yaz_pqf_create ();
799 RPNquery = yaz_pqf_parse (pqf_parser, odr_en, req->query.pqf);
802 std::cout << "TODO: Handeling of bad PQF\n";
803 std::cout << "TODO: Diagnostic to be send\n";
805 z_query->which = Z_Query_type_1;
806 z_query->u.type_1 = RPNquery;
808 yaz_pqf_destroy(pqf_parser);
816 yf::SRUtoZ3950::Impl::z3950_to_srw_diagnostics_ok(mp::odr &odr_en,
817 Z_SRW_searchRetrieveResponse
819 Z_Records *records) const
821 // checking non surrogate diagnostics in Z3950 present response package
823 && records->which == Z_Records_NSD
824 && records->u.nonSurrogateDiagnostic)
826 z3950_to_srw_diag(odr_en, sru_res,
827 records->u.nonSurrogateDiagnostic);
835 yf::SRUtoZ3950::Impl::z3950_to_srw_diag(mp::odr &odr_en,
836 Z_SRW_searchRetrieveResponse *sru_res,
837 Z_DefaultDiagFormat *ddf) const
839 int bib1_code = *ddf->condition;
840 sru_res->num_diagnostics = 1;
841 sru_res->diagnostics = (Z_SRW_diagnostic *)
842 odr_malloc(odr_en, sizeof(*sru_res->diagnostics));
843 yaz_mk_std_diagnostic(odr_en, sru_res->diagnostics,
844 yaz_diag_bib1_to_srw(bib1_code),
851 static mp::filter::Base* filter_creator()
853 return new mp::filter::SRUtoZ3950;
857 struct metaproxy_1_filter_struct metaproxy_1_filter_sru_to_z3950 = {
868 * c-file-style: "Stroustrup"
869 * indent-tabs-mode: nil
871 * vim: shiftwidth=4 tabstop=8 expandtab