1 /* This file is part of Metaproxy.
2 Copyright (C) 2005-2013 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/pquery.h>
31 #include <yaz/oid_db.h>
33 #if YAZ_VERSIONL >= 0x50000
34 #include <yaz/facet.h>
37 #include <boost/thread/mutex.hpp>
38 #include <boost/thread/condition.hpp>
45 namespace mp = metaproxy_1;
46 namespace mp_util = metaproxy_1::util;
47 namespace yf = mp::filter;
49 namespace metaproxy_1 {
51 class SRUtoZ3950::Frontend : boost::noncopyable {
58 class SRUtoZ3950::Impl {
60 void configure(const xmlNode *xmlnode);
61 void process(metaproxy_1::Package &package);
63 FrontendPtr get_frontend(mp::Package &package);
64 void release_frontend(mp::Package &package);
65 std::map<std::string, const xmlNode *> m_database_explain;
67 typedef std::map<std::string, int> ActiveUrlMap;
69 boost::mutex m_url_mutex;
70 boost::condition m_cond_url_ready;
71 ActiveUrlMap m_active_urls;
74 boost::mutex m_mutex_session;
75 boost::condition m_cond_session_ready;
76 std::map<mp::Session, FrontendPtr> m_clients;
78 void sru(metaproxy_1::Package &package, Z_GDU *zgdu_req);
79 int z3950_build_query(
80 mp::odr &odr_en, Z_Query *z_query,
81 const Z_SRW_searchRetrieveRequest *req
84 bool z3950_init_request(
88 Z_SRW_PDU *sru_pdu_res,
89 const Z_SRW_PDU *sru_pdu_req
92 bool z3950_close_request(mp::Package &package) const;
94 bool z3950_search_request(
97 Z_SRW_PDU *sru_pdu_res,
98 Z_SRW_searchRetrieveRequest const *sr_req,
100 std::string db_append
103 bool z3950_present_request(
104 mp::Package &package,
106 Z_SRW_PDU *sru_pdu_res,
107 Z_SRW_searchRetrieveRequest const *sr_req
110 bool z3950_to_srw_diagnostics_ok(
112 Z_SRW_searchRetrieveResponse *srw_res,
116 int z3950_to_srw_diag(
118 Z_SRW_searchRetrieveResponse *srw_res,
119 Z_DefaultDiagFormat *ddf
126 yf::SRUtoZ3950::SRUtoZ3950() : m_p(new Impl)
130 yf::SRUtoZ3950::~SRUtoZ3950()
131 { // must have a destructor because of boost::scoped_ptr
134 void yf::SRUtoZ3950::configure(const xmlNode *xmlnode, bool test_only,
137 m_p->configure(xmlnode);
140 void yf::SRUtoZ3950::process(mp::Package &package) const
142 m_p->process(package);
145 void yf::SRUtoZ3950::Impl::configure(const xmlNode *confignode)
147 const xmlNode * dbnode;
149 for (dbnode = confignode->children; dbnode; dbnode = dbnode->next)
151 if (dbnode->type != XML_ELEMENT_NODE)
154 std::string database;
155 mp::xml::check_element_mp(dbnode, "database");
157 for (struct _xmlAttr *attr = dbnode->properties;
158 attr; attr = attr->next)
161 mp::xml::check_attribute(attr, "", "name");
162 database = mp::xml::get_text(attr);
164 const xmlNode *explainnode;
165 for (explainnode = dbnode->children;
166 explainnode; explainnode = explainnode->next)
168 if (explainnode->type != XML_ELEMENT_NODE)
173 // assigning explain node to database name - no check yet
174 m_database_explain.insert(std::make_pair(database, explainnode));
179 void yf::SRUtoZ3950::Impl::sru(mp::Package &package, Z_GDU *zgdu_req)
183 mp::odr odr_de(ODR_DECODE);
184 Z_SRW_PDU *sru_pdu_req = 0;
186 mp::odr odr_en(ODR_ENCODE);
187 Z_SRW_PDU *sru_pdu_res = yaz_srw_get(odr_en, Z_SRW_explain_response);
189 // determine database with the HTTP header information only
190 mp_util::SRUServerInfo sruinfo = mp_util::get_sru_server_info(package);
191 std::map<std::string, const xmlNode *>::iterator idbexp;
192 idbexp = m_database_explain.find(sruinfo.database);
194 // assign explain config XML DOM node if database is known
195 const xmlNode *explainnode = 0;
196 if (idbexp != m_database_explain.end())
198 explainnode = idbexp->second;
201 // decode SRU request
204 char *stylesheet = 0;
206 // filter acts as sink for non-valid SRU requests
207 if (! (sru_pdu_req = mp_util::decode_sru_request(package, odr_de, odr_en,
209 charset, stylesheet)))
213 mp_util::build_sru_explain(package, odr_en, sru_pdu_res,
214 sruinfo, explainnode);
215 mp_util::build_sru_response(package, odr_en, soap,
216 sru_pdu_res, charset, stylesheet);
220 metaproxy_1::odr odr;
222 odr.create_HTTP_Response(package.session(),
223 zgdu_req->u.HTTP_Request, 400);
224 package.response() = zgdu_res;
229 bool enable_package_log = false;
232 Z_SRW_extra_arg *arg;
234 for ( arg = sru_pdu_req->extra_args; arg; arg = arg->next)
235 if (!strcmp(arg->name, "x-target"))
237 zurl = std::string(arg->value);
239 else if (!strcmp(arg->name, "x-max-sockets"))
241 package.origin().set_max_sockets(atoi(arg->value));
243 else if (!strcmp(arg->name, "x-session-id"))
245 package.origin().set_custom_session(arg->value);
247 else if (!strcmp(arg->name, "x-log-enable"))
249 if (*arg->value == '1')
251 enable_package_log = true;
252 package.log_enable();
255 else if (!strncmp(arg->name, "x-client-", 9) && arg->value)
259 dbargs += mp_util::uri_encode(arg->name + 9);
261 dbargs += mp_util::uri_encode(arg->value);
266 // filter acts as sink for SRU explain requests
267 if (sru_pdu_req->which == Z_SRW_explain_request)
269 Z_SRW_explainRequest *er_req = sru_pdu_req->u.explain_request;
270 mp_util::build_sru_explain(package, odr_en, sru_pdu_res,
271 sruinfo, explainnode, er_req);
273 else if (sru_pdu_req->which == Z_SRW_searchRetrieve_request
274 && sru_pdu_req->u.request)
276 Z_SRW_searchRetrieveRequest *sr_req = sru_pdu_req->u.request;
278 sru_pdu_res = yaz_srw_get_pdu(odr_en, Z_SRW_searchRetrieve_response,
279 sru_pdu_req->srw_version);
281 // checking that we have a query
282 ok = mp_util::check_sru_query_exists(package, odr_en,
283 sru_pdu_res, sr_req);
285 if (ok && z3950_init_request(package, odr_en,
286 zurl, sru_pdu_res, sru_pdu_req))
288 ok = z3950_search_request(package, odr_en,
289 sru_pdu_res, sr_req, zurl, dbargs);
292 && sru_pdu_res->u.response->numberOfRecords
293 && *(sru_pdu_res->u.response->numberOfRecords))
295 ok = z3950_present_request(package, odr_en,
298 z3950_close_request(package);
303 else if (sru_pdu_req->which == Z_SRW_scan_request
304 && sru_pdu_req->u.scan_request)
306 sru_pdu_res = yaz_srw_get_pdu(odr_en, Z_SRW_scan_response,
307 sru_pdu_req->srw_version);
309 // we do not do scan at the moment, therefore issuing a diagnostic
310 yaz_add_srw_diagnostic(odr_en,
311 &(sru_pdu_res->u.scan_response->diagnostics),
312 &(sru_pdu_res->u.scan_response->num_diagnostics),
313 YAZ_SRW_UNSUPP_OPERATION, "scan");
317 sru_pdu_res = yaz_srw_get(odr_en, Z_SRW_explain_response);
319 yaz_add_srw_diagnostic(odr_en,
320 &(sru_pdu_res->u.explain_response->diagnostics),
321 &(sru_pdu_res->u.explain_response->num_diagnostics),
322 YAZ_SRW_UNSUPP_OPERATION, "unknown");
325 if (enable_package_log)
328 package.log_reset(l);
333 wrbuf_puts(w, "<log>\n");
334 wrbuf_xmlputs(w, l.c_str());
335 wrbuf_puts(w, "</log>");
337 sru_pdu_res->extraResponseData_len = w.len();
338 sru_pdu_res->extraResponseData_buf =
339 odr_strdup(odr_en, wrbuf_cstr(w));
343 // build and send SRU response
344 mp_util::build_sru_response(package, odr_en, soap,
345 sru_pdu_res, charset, stylesheet);
349 yf::SRUtoZ3950::Frontend::Frontend() : m_in_use(true)
353 yf::SRUtoZ3950::Frontend::~Frontend()
358 yf::SRUtoZ3950::FrontendPtr yf::SRUtoZ3950::Impl::get_frontend(
359 mp::Package &package)
361 boost::mutex::scoped_lock lock(m_mutex_session);
363 std::map<mp::Session,yf::SRUtoZ3950::FrontendPtr>::iterator it;
367 it = m_clients.find(package.session());
368 if (it == m_clients.end())
371 if (!it->second->m_in_use)
373 it->second->m_in_use = true;
376 m_cond_session_ready.wait(lock);
378 FrontendPtr f(new Frontend);
379 m_clients[package.session()] = f;
384 void yf::SRUtoZ3950::Impl::release_frontend(mp::Package &package)
386 boost::mutex::scoped_lock lock(m_mutex_session);
387 std::map<mp::Session,FrontendPtr>::iterator it;
389 it = m_clients.find(package.session());
390 if (it != m_clients.end())
392 if (package.session().is_closed())
398 it->second->m_in_use = false;
400 m_cond_session_ready.notify_all();
404 void yf::SRUtoZ3950::Impl::process(mp::Package &package)
406 FrontendPtr f = get_frontend(package);
408 Z_GDU *zgdu_req = package.request().get();
410 if (zgdu_req && zgdu_req->which == Z_GDU_HTTP_Request)
412 if (zgdu_req->u.HTTP_Request->content_len == 0)
414 const char *path = zgdu_req->u.HTTP_Request->path;
415 boost::mutex::scoped_lock lock(m_url_mutex);
418 ActiveUrlMap::iterator it = m_active_urls.find(path);
419 if (it == m_active_urls.end())
421 m_active_urls[path] = 1;
424 yaz_log(YLOG_LOG, "Waiting for %s to complete", path);
425 m_cond_url_ready.wait(lock);
428 sru(package, zgdu_req);
429 if (zgdu_req && zgdu_req->u.HTTP_Request->content_len == 0)
431 const char *path = zgdu_req->u.HTTP_Request->path;
432 boost::mutex::scoped_lock lock(m_url_mutex);
434 ActiveUrlMap::iterator it = m_active_urls.find(path);
436 m_active_urls.erase(it);
437 m_cond_url_ready.notify_all();
444 release_frontend(package);
448 yf::SRUtoZ3950::Impl::z3950_init_request(mp::Package &package,
451 Z_SRW_PDU *sru_pdu_res,
452 const Z_SRW_PDU *sru_pdu_req) const
454 // prepare Z3950 package
455 Package z3950_package(package.session(), package.origin());
456 z3950_package.copy_filter(package);
458 // set initRequest APDU
459 Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_initRequest);
460 Z_InitRequest *init_req = apdu->u.initRequest;
462 Z_IdAuthentication *auth = NULL;
463 if (sru_pdu_req->username && !sru_pdu_req->password)
465 auth = (Z_IdAuthentication *) odr_malloc(odr_en, sizeof(Z_IdAuthentication));
466 auth->which = Z_IdAuthentication_open;
467 auth->u.open = odr_strdup(odr_en, sru_pdu_req->username);
469 else if (sru_pdu_req->username && sru_pdu_req->password)
471 auth = (Z_IdAuthentication *) odr_malloc(odr_en, sizeof(Z_IdAuthentication));
472 auth->which = Z_IdAuthentication_idPass;
473 auth->u.idPass = (Z_IdPass *) odr_malloc(odr_en, sizeof(Z_IdPass));
474 auth->u.idPass->groupId = NULL;
475 auth->u.idPass->password = odr_strdup(odr_en, sru_pdu_req->password);
476 auth->u.idPass->userId = odr_strdup(odr_en, sru_pdu_req->username);
479 init_req->idAuthentication = auth;
481 *init_req->preferredMessageSize = 10*1024*1024;
482 *init_req->maximumRecordSize = 10*1024*1024;
484 ODR_MASK_SET(init_req->options, Z_Options_search);
485 ODR_MASK_SET(init_req->options, Z_Options_present);
486 ODR_MASK_SET(init_req->options, Z_Options_namedResultSets);
487 ODR_MASK_SET(init_req->options, Z_Options_scan);
489 ODR_MASK_SET(init_req->protocolVersion, Z_ProtocolVersion_1);
490 ODR_MASK_SET(init_req->protocolVersion, Z_ProtocolVersion_2);
491 ODR_MASK_SET(init_req->protocolVersion, Z_ProtocolVersion_3);
496 std::list<std::string> dblist;
497 mp_util::split_zurl(zurl, host, dblist);
498 mp_util::set_vhost_otherinfo(&init_req->otherInfo, odr_en, host, 1);
501 z3950_package.request() = apdu;
503 // send Z3950 package
504 z3950_package.move();
506 // check successful initResponse
507 Z_GDU *z3950_gdu = z3950_package.response().get();
509 int error = YAZ_SRW_SYSTEM_TEMPORARILY_UNAVAILABLE;
510 const char *addinfo = 0;
511 if (z3950_gdu && z3950_gdu->which == Z_GDU_Z3950
512 && z3950_gdu->u.z3950->which == Z_APDU_initResponse)
514 Z_InitResponse *initrs = z3950_gdu->u.z3950->u.initResponse;
520 Z_DefaultDiagFormat *df = yaz_decode_init_diag(no, initrs);
524 yaz_add_srw_diagnostic(odr_en,
525 &(sru_pdu_res->u.response->diagnostics),
526 &(sru_pdu_res->u.response->num_diagnostics),
527 yaz_diag_bib1_to_srw(*df->condition),
532 return false; // got least one diagnostic from init
534 // we just have result=false.
535 error = YAZ_SRW_AUTHENTICATION_ERROR;
538 addinfo = "sru_z3950: expected initResponse";
539 yaz_add_srw_diagnostic(odr_en,
540 &(sru_pdu_res->u.response->diagnostics),
541 &(sru_pdu_res->u.response->num_diagnostics),
546 bool yf::SRUtoZ3950::Impl::z3950_close_request(mp::Package &package) const
548 Package z3950_package(package.session(), package.origin());
549 z3950_package.copy_filter(package);
550 z3950_package.session().close();
552 z3950_package.move();
554 if (z3950_package.session().is_closed())
561 bool yf::SRUtoZ3950::Impl::z3950_search_request(mp::Package &package,
563 Z_SRW_PDU *sru_pdu_res,
564 Z_SRW_searchRetrieveRequest
567 std::string dbappend) const
570 assert(sru_pdu_res->u.response);
572 Package z3950_package(package.session(), package.origin());
573 z3950_package.copy_filter(package);
575 Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_searchRequest);
576 Z_SearchRequest *z_searchRequest = apdu->u.searchRequest;
578 // RecordSyntax will always be XML
579 z_searchRequest->preferredRecordSyntax
580 = odr_oiddup(odr_en, yaz_oid_recsyn_xml);
582 if (!mp_util::set_databases_from_zurl(odr_en, zurl,
583 &z_searchRequest->num_databaseNames,
584 &z_searchRequest->databaseNames))
588 if (sr_req->database)
589 db = sr_req->database;
593 if (dbappend.length())
598 z_searchRequest->num_databaseNames = 1;
599 z_searchRequest->databaseNames = (char**)
600 odr_malloc(odr_en, sizeof(char *));
601 z_searchRequest->databaseNames[0] = odr_strdup(odr_en, db.c_str());
603 #if YAZ_VERSIONL >= 0x50000
604 // yaz_oi_set_facetlist not public in YAZ 4.2.66
605 if (sr_req->facetList)
607 Z_OtherInformation **oi = &z_searchRequest->otherInfo;
608 yaz_oi_set_facetlist(oi, odr_en, sr_req->facetList);
612 Z_Query *z_query = (Z_Query *) odr_malloc(odr_en, sizeof(Z_Query));
613 z_searchRequest->query = z_query;
615 int sru_diagnostic = z3950_build_query(odr_en, z_query, sr_req);
618 yaz_add_srw_diagnostic(odr_en,
619 &(sru_pdu_res->u.response->diagnostics),
620 &(sru_pdu_res->u.response->num_diagnostics),
626 z3950_package.request() = apdu;
628 z3950_package.move();
630 Z_GDU *z3950_gdu = z3950_package.response().get();
632 if (!z3950_gdu || z3950_gdu->which != Z_GDU_Z3950
633 || z3950_gdu->u.z3950->which != Z_APDU_searchResponse
634 || !z3950_gdu->u.z3950->u.searchResponse
635 || !z3950_gdu->u.z3950->u.searchResponse->searchStatus)
637 yaz_add_srw_diagnostic(odr_en,
638 &(sru_pdu_res->u.response->diagnostics),
639 &(sru_pdu_res->u.response->num_diagnostics),
640 YAZ_SRW_SYSTEM_TEMPORARILY_UNAVAILABLE, 0);
644 Z_SearchResponse *sr = z3950_gdu->u.z3950->u.searchResponse;
646 if (!z3950_to_srw_diagnostics_ok(odr_en, sru_pdu_res->u.response,
651 #if YAZ_VERSIONL >= 0x50000
652 Z_FacetList *fl = yaz_oi_get_facetlist(&sr->additionalSearchInfo);
654 fl = yaz_oi_get_facetlist(&sr->otherInfo);
655 sru_pdu_res->u.response->facetList = fl;
657 sru_pdu_res->u.response->numberOfRecords
658 = odr_intdup(odr_en, *sr->resultCount);
662 bool yf::SRUtoZ3950::Impl::z3950_present_request(
663 mp::Package &package,
665 Z_SRW_PDU *sru_pdu_res,
666 const Z_SRW_searchRetrieveRequest *sr_req)
669 assert(sru_pdu_res->u.response);
676 if (sr_req->maximumRecords)
677 max_recs = *sr_req->maximumRecords;
678 if (sr_req->startRecord)
679 start = *sr_req->startRecord;
681 // no need to work if nobody wants record ..
685 bool send_z3950_present = true;
687 // recordXPath unsupported.
688 if (sr_req->recordXPath)
690 send_z3950_present = false;
691 yaz_add_srw_diagnostic(odr_en,
692 &(sru_pdu_res->u.response->diagnostics),
693 &(sru_pdu_res->u.response->num_diagnostics),
694 YAZ_SRW_XPATH_RETRIEVAL_UNSUPP, 0);
697 // resultSetTTL unsupported.
698 // resultSetIdleTime in response
699 if (sr_req->resultSetTTL)
701 send_z3950_present = false;
702 yaz_add_srw_diagnostic(odr_en,
703 &(sru_pdu_res->u.response->diagnostics),
704 &(sru_pdu_res->u.response->num_diagnostics),
705 YAZ_SRW_RESULT_SETS_UNSUPP, 0);
709 if (sr_req->sort_type != Z_SRW_sort_type_none)
711 send_z3950_present = false;
712 yaz_add_srw_diagnostic(odr_en,
713 &(sru_pdu_res->u.response->diagnostics),
714 &(sru_pdu_res->u.response->num_diagnostics),
715 YAZ_SRW_SORT_UNSUPP, 0);
718 // start record requested negative, or larger than number of records
719 if (start < 0 || start > *sru_pdu_res->u.response->numberOfRecords)
721 send_z3950_present = false;
722 yaz_add_srw_diagnostic(odr_en,
723 &(sru_pdu_res->u.response->diagnostics),
724 &(sru_pdu_res->u.response->num_diagnostics),
725 YAZ_SRW_FIRST_RECORD_POSITION_OUT_OF_RANGE, 0);
728 // maximumRecords requested negative
731 send_z3950_present = false;
732 yaz_add_srw_diagnostic(odr_en,
733 &(sru_pdu_res->u.response->diagnostics),
734 &(sru_pdu_res->u.response->num_diagnostics),
735 YAZ_SRW_UNSUPP_PARAMETER_VALUE,
739 // exit on all these above diagnostics
740 if (!send_z3950_present)
743 if (max_recs > *sru_pdu_res->u.response->numberOfRecords - start)
744 max_recs = *sru_pdu_res->u.response->numberOfRecords - start + 1;
746 Z_SRW_searchRetrieveResponse *sru_res = sru_pdu_res->u.response;
747 sru_res->records = (Z_SRW_record *)
748 odr_malloc(odr_en, max_recs * sizeof(Z_SRW_record));
750 while (num < max_recs)
752 // now packaging the z3950 present request
753 Package z3950_package(package.session(), package.origin());
754 z3950_package.copy_filter(package);
755 Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_presentRequest);
757 assert(apdu->u.presentRequest);
759 *apdu->u.presentRequest->resultSetStartPoint = start + num;
760 *apdu->u.presentRequest->numberOfRecordsRequested = max_recs - num;
762 // set response packing to be same as "request" packing..
763 int record_packing = Z_SRW_recordPacking_XML;
764 if (sr_req->recordPacking && 's' == *(sr_req->recordPacking))
765 record_packing = Z_SRW_recordPacking_string;
767 // RecordSyntax will always be XML
768 apdu->u.presentRequest->preferredRecordSyntax
769 = odr_oiddup(odr_en, yaz_oid_recsyn_xml);
771 // z3950'fy record schema
772 if (sr_req->recordSchema)
774 apdu->u.presentRequest->recordComposition
775 = (Z_RecordComposition *)
776 odr_malloc(odr_en, sizeof(Z_RecordComposition));
777 apdu->u.presentRequest->recordComposition->which
778 = Z_RecordComp_simple;
779 apdu->u.presentRequest->recordComposition->u.simple
780 = mp_util::build_esn_from_schema(odr_en,
782 sr_req->recordSchema);
785 // attaching Z3950 package to filter chain
786 z3950_package.request() = apdu;
788 // sending Z30.50 present request
789 z3950_package.move();
791 //check successful Z3950 present response
792 Z_GDU *z3950_gdu = z3950_package.response().get();
793 if (!z3950_gdu || z3950_gdu->which != Z_GDU_Z3950
794 || z3950_gdu->u.z3950->which != Z_APDU_presentResponse
795 || !z3950_gdu->u.z3950->u.presentResponse)
798 yaz_add_srw_diagnostic(odr_en,
799 &(sru_pdu_res->u.response->diagnostics),
800 &(sru_pdu_res->u.response->num_diagnostics),
801 YAZ_SRW_SYSTEM_TEMPORARILY_UNAVAILABLE, 0);
804 // everything fine, continuing
806 Z_PresentResponse *pr = z3950_gdu->u.z3950->u.presentResponse;
808 // checking non surrogate diagnostics in Z3950 present response package
809 if (!z3950_to_srw_diagnostics_ok(odr_en, sru_pdu_res->u.response,
813 // if anything but database or surrogate diagnostics, stop
814 if (!pr->records || pr->records->which != Z_Records_DBOSD)
818 // inserting all records
820 pr->records->u.databaseOrSurDiagnostics->num_records;
821 for (int i = 0; i < returned_recs; i++)
823 int position = i + *apdu->u.presentRequest->resultSetStartPoint;
824 Z_NamePlusRecord *npr
825 = pr->records->u.databaseOrSurDiagnostics->records[i];
827 sru_res->records[i + num].recordPacking = record_packing;
829 if (npr->which == Z_NamePlusRecord_surrogateDiagnostic)
831 Z_DiagRec *p = npr->u.surrogateDiagnostic;
832 if (p->which == Z_DiagRec_defaultFormat)
834 Z_DefaultDiagFormat *df = p->u.defaultFormat;
835 int c = yaz_diag_bib1_to_srw(*df->condition);
837 yaz_mk_sru_surrogate(
838 odr_en, sru_res->records + i + num, position,
843 yaz_mk_sru_surrogate(
844 odr_en, sru_res->records + i + num, position,
845 YAZ_SRW_RECORD_TEMPORARILY_UNAVAILABLE, 0);
848 else if (npr->which == Z_NamePlusRecord_databaseRecord &&
849 npr->u.databaseRecord->direct_reference
850 && !oid_oidcmp(npr->u.databaseRecord->direct_reference,
853 // got XML record back
854 Z_External *r = npr->u.databaseRecord;
855 sru_res->records[i + num].recordPosition =
856 odr_intdup(odr_en, position);
857 sru_res->records[i + num].recordSchema = sr_req->recordSchema;
858 sru_res->records[i + num].recordData_buf
859 = odr_strdupn(odr_en,
860 (const char *)r->u.octet_aligned->buf,
861 r->u.octet_aligned->len);
862 sru_res->records[i + num].recordData_len
863 = r->u.octet_aligned->len;
867 // not XML or no database record at all
868 yaz_mk_sru_surrogate(
869 odr_en, sru_res->records + i + num, position,
870 YAZ_SRW_RECORD_NOT_AVAILABLE_IN_THIS_SCHEMA, 0);
873 num += returned_recs;
876 sru_res->num_records = num;
877 if (start - 1 + num < *sru_pdu_res->u.response->numberOfRecords)
878 sru_res->nextRecordPosition =
879 odr_intdup(odr_en, start + num);
883 int yf::SRUtoZ3950::Impl::z3950_build_query(
884 mp::odr &odr_en, Z_Query *z_query,
885 const Z_SRW_searchRetrieveRequest *req
889 #ifdef Z_SRW_query_type_cql
890 req->query_type == Z_SRW_query_type_cql
892 !strcmp(req->queryType, "cql")
896 Z_External *ext = (Z_External *)
897 odr_malloc(odr_en, sizeof(*ext));
898 ext->direct_reference =
899 odr_getoidbystr(odr_en, "1.2.840.10003.16.2");
900 ext->indirect_reference = 0;
902 ext->which = Z_External_CQL;
903 ext->u.cql = odr_strdup(odr_en,
904 #ifdef Z_SRW_query_type_cql
911 z_query->which = Z_Query_type_104;
912 z_query->u.type_104 = ext;
917 #ifdef Z_SRW_query_type_pqf
918 req->query_type == Z_SRW_query_type_pqf
920 !strcmp(req->queryType, "pqf")
924 Z_RPNQuery *RPNquery;
925 YAZ_PQF_Parser pqf_parser;
927 pqf_parser = yaz_pqf_create ();
929 RPNquery = yaz_pqf_parse (pqf_parser, odr_en,
930 #ifdef Z_SRW_query_type_pqf
936 yaz_pqf_destroy(pqf_parser);
939 return YAZ_SRW_QUERY_SYNTAX_ERROR;
941 z_query->which = Z_Query_type_1;
942 z_query->u.type_1 = RPNquery;
946 return YAZ_SRW_MANDATORY_PARAMETER_NOT_SUPPLIED;
949 bool yf::SRUtoZ3950::Impl::z3950_to_srw_diagnostics_ok(
951 Z_SRW_searchRetrieveResponse
953 Z_Records *records) const
955 // checking non surrogate diagnostics in Z3950 present response package
957 && records->which == Z_Records_NSD
958 && records->u.nonSurrogateDiagnostic)
960 z3950_to_srw_diag(odr_en, sru_res,
961 records->u.nonSurrogateDiagnostic);
967 int yf::SRUtoZ3950::Impl::z3950_to_srw_diag(
969 Z_SRW_searchRetrieveResponse *sru_res,
970 Z_DefaultDiagFormat *ddf) const
972 int bib1_code = *ddf->condition;
973 sru_res->num_diagnostics = 1;
974 sru_res->diagnostics = (Z_SRW_diagnostic *)
975 odr_malloc(odr_en, sizeof(*sru_res->diagnostics));
976 yaz_mk_std_diagnostic(odr_en, sru_res->diagnostics,
977 yaz_diag_bib1_to_srw(bib1_code),
982 static mp::filter::Base* filter_creator()
984 return new mp::filter::SRUtoZ3950;
988 struct metaproxy_1_filter_struct metaproxy_1_filter_sru_z3950 = {
999 * c-file-style: "Stroustrup"
1000 * indent-tabs-mode: nil
1002 * vim: shiftwidth=4 tabstop=8 expandtab