1 /* This file is part of Metaproxy.
2 Copyright (C) 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 #include <yaz/otherinfo.h>
34 #if YAZ_VERSIONL >= 0x50000
35 #include <yaz/facet.h>
38 #include <boost/thread/mutex.hpp>
39 #include <boost/thread/condition.hpp>
46 namespace mp = metaproxy_1;
47 namespace mp_util = metaproxy_1::util;
48 namespace yf = mp::filter;
50 namespace metaproxy_1 {
52 class SRUtoZ3950::Frontend : boost::noncopyable {
59 class SRUtoZ3950::Impl {
61 void configure(const xmlNode *xmlnode);
62 void process(metaproxy_1::Package &package);
64 FrontendPtr get_frontend(mp::Package &package);
65 void release_frontend(mp::Package &package);
66 std::map<std::string, const xmlNode *> m_database_explain;
67 std::string default_stylesheet;
69 typedef std::map<std::string, int> ActiveUrlMap;
71 boost::mutex m_mutex_session;
72 boost::condition m_cond_session_ready;
73 std::map<mp::Session, FrontendPtr> m_clients;
75 void sru(metaproxy_1::Package &package, Z_GDU *zgdu_req);
76 int z3950_build_query(
77 mp::odr &odr_en, Z_Query *z_query,
78 const Z_SRW_searchRetrieveRequest *req
81 bool z3950_init_request(
85 Z_SRW_PDU *sru_pdu_res,
86 const Z_SRW_PDU *sru_pdu_req
89 bool z3950_close_request(mp::Package &package) const;
91 bool z3950_search_request(
93 mp::Package &z3950_package,
95 Z_SRW_PDU *sru_pdu_res,
96 Z_SRW_searchRetrieveRequest const *sr_req,
101 bool z3950_present_request(
102 mp::Package &package,
104 Z_SRW_PDU *sru_pdu_res,
105 Z_SRW_searchRetrieveRequest const *sr_req
108 bool z3950_to_srw_diagnostics_ok(
110 Z_SRW_searchRetrieveResponse *srw_res,
114 int z3950_to_srw_diag(
116 Z_SRW_searchRetrieveResponse *srw_res,
117 Z_DefaultDiagFormat *ddf
124 yf::SRUtoZ3950::SRUtoZ3950() : m_p(new Impl)
128 yf::SRUtoZ3950::~SRUtoZ3950()
129 { // must have a destructor because of boost::scoped_ptr
132 void yf::SRUtoZ3950::configure(const xmlNode *xmlnode, bool test_only,
135 m_p->configure(xmlnode);
138 void yf::SRUtoZ3950::process(mp::Package &package) const
140 m_p->process(package);
143 void yf::SRUtoZ3950::Impl::configure(const xmlNode *confignode)
145 const xmlNode * dbnode;
147 for (dbnode = confignode->children; dbnode; dbnode = dbnode->next)
149 if (dbnode->type != XML_ELEMENT_NODE)
152 if (!strcmp((const char *) dbnode->name, "database"))
154 std::string database;
156 for (struct _xmlAttr *attr = dbnode->properties;
157 attr; attr = attr->next)
159 mp::xml::check_attribute(attr, "", "name");
160 database = mp::xml::get_text(attr);
162 const xmlNode *explainnode;
163 for (explainnode = dbnode->children;
164 explainnode; explainnode = explainnode->next)
166 if (explainnode->type == XML_ELEMENT_NODE)
168 m_database_explain.insert(
169 std::make_pair(database, explainnode));
175 else if (!strcmp((const char *) dbnode->name, "stylesheet"))
177 default_stylesheet = mp::xml::get_text(dbnode);
181 throw mp::filter::FilterException
183 + std::string((const char *) dbnode->name)
190 void yf::SRUtoZ3950::Impl::sru(mp::Package &package, Z_GDU *zgdu_req)
194 mp::odr odr_de(ODR_DECODE);
195 Z_SRW_PDU *sru_pdu_req = 0;
197 mp::odr odr_en(ODR_ENCODE);
199 // determine database with the HTTP header information only
200 mp_util::SRUServerInfo sruinfo = mp_util::get_sru_server_info(package);
201 std::map<std::string, const xmlNode *>::iterator idbexp;
202 idbexp = m_database_explain.find(sruinfo.database);
204 // assign explain config XML DOM node if database is known
205 const xmlNode *explainnode = 0;
206 if (idbexp != m_database_explain.end())
208 explainnode = idbexp->second;
211 // decode SRU request
214 const char *stylesheet = 0;
215 Z_SRW_diagnostic *diagnostic = 0;
216 int num_diagnostic = 0;
218 // filter acts as sink for non-valid SRU requests
219 if (! (sru_pdu_req = mp_util::decode_sru_request(package, odr_de, odr_en,
221 &num_diagnostic, &soap,
226 Z_SRW_PDU *sru_pdu_res = yaz_srw_get(odr_en,
227 Z_SRW_explain_response);
228 sru_pdu_res->u.explain_response->diagnostics = diagnostic;
229 sru_pdu_res->u.explain_response->num_diagnostics = num_diagnostic;
230 mp_util::build_sru_explain(package, odr_en, sru_pdu_res,
231 sruinfo, explainnode);
232 mp_util::build_sru_response(package, odr_en, soap,
233 sru_pdu_res, charset, stylesheet);
237 metaproxy_1::odr odr;
239 odr.create_HTTP_Response(package.session(),
240 zgdu_req->u.HTTP_Request, 400);
241 package.response() = zgdu_res;
246 bool enable_package_log = false;
249 Z_SRW_extra_arg *arg;
251 for ( arg = sru_pdu_req->extra_args; arg; arg = arg->next)
252 if (!strcmp(arg->name, "x-target"))
254 zurl = std::string(arg->value);
256 else if (!strcmp(arg->name, "x-max-sockets"))
258 package.origin().set_max_sockets(atoi(arg->value));
260 else if (!strcmp(arg->name, "x-session-id"))
262 package.origin().set_custom_session(arg->value);
264 else if (!strcmp(arg->name, "x-log-enable"))
266 if (*arg->value == '1')
268 enable_package_log = true;
269 package.log_enable();
272 else if (!strncmp(arg->name, "x-client-", 9) && arg->value)
276 dbargs += mp_util::uri_encode(arg->name + 9);
278 dbargs += mp_util::uri_encode(arg->value);
283 Package z3950_package(package.session(), package.origin());
284 z3950_package.copy_filter(package);
286 Z_SRW_PDU *sru_pdu_res = 0;
287 if (sru_pdu_req->which == Z_SRW_explain_request)
289 Z_SRW_explainRequest *er_req = sru_pdu_req->u.explain_request;
290 stylesheet = er_req->stylesheet;
291 sru_pdu_res = yaz_srw_get_pdu_e(odr_en, Z_SRW_explain_response,
293 sru_pdu_res->u.explain_response->diagnostics = diagnostic;
294 sru_pdu_res->u.explain_response->num_diagnostics = num_diagnostic;
295 mp_util::build_sru_explain(package, odr_en, sru_pdu_res,
296 sruinfo, explainnode, er_req);
298 else if (sru_pdu_req->which == Z_SRW_searchRetrieve_request)
300 Z_SRW_searchRetrieveRequest *sr_req = sru_pdu_req->u.request;
301 stylesheet = sr_req->stylesheet;
302 sru_pdu_res = yaz_srw_get_pdu_e(odr_en, Z_SRW_searchRetrieve_response,
304 sru_pdu_res->u.response->diagnostics = diagnostic;
305 sru_pdu_res->u.response->num_diagnostics = num_diagnostic;
307 // checking that we have a query
308 ok = mp_util::check_sru_query_exists(package, odr_en,
309 sru_pdu_res, sr_req);
311 if (ok && z3950_init_request(package, odr_en,
312 zurl, sru_pdu_res, sru_pdu_req))
314 ok = z3950_search_request(package, z3950_package, odr_en,
315 sru_pdu_res, sr_req, zurl, dbargs);
318 && sru_pdu_res->u.response->numberOfRecords
319 && *(sru_pdu_res->u.response->numberOfRecords))
321 ok = z3950_present_request(package, odr_en,
324 z3950_close_request(package);
327 else if (sru_pdu_req->which == Z_SRW_scan_request)
329 stylesheet = sru_pdu_req->u.scan_request->stylesheet;
330 sru_pdu_res = yaz_srw_get_pdu_e(odr_en, Z_SRW_scan_response,
332 sru_pdu_res->u.scan_response->diagnostics = diagnostic;
333 sru_pdu_res->u.scan_response->num_diagnostics = num_diagnostic;
335 // we do not do scan at the moment, therefore issuing a diagnostic
336 yaz_add_srw_diagnostic(odr_en,
337 &sru_pdu_res->u.scan_response->diagnostics,
338 &sru_pdu_res->u.scan_response->num_diagnostics,
339 YAZ_SRW_UNSUPP_OPERATION, "scan");
344 yaz_srw_get_pdu_e(odr_en, Z_SRW_explain_response, sru_pdu_req);
345 sru_pdu_res->u.explain_response->diagnostics = diagnostic;
346 sru_pdu_res->u.explain_response->num_diagnostics = num_diagnostic;
347 yaz_add_srw_diagnostic(odr_en, &diagnostic, &num_diagnostic,
348 YAZ_SRW_UNSUPP_OPERATION, "unknown");
350 if (enable_package_log)
353 package.log_reset(l);
358 wrbuf_puts(w, "<log>\n");
359 wrbuf_xmlputs(w, l.c_str());
360 wrbuf_puts(w, "</log>");
362 sru_pdu_res->extraResponseData_len = w.len();
363 sru_pdu_res->extraResponseData_buf =
364 odr_strdup(odr_en, wrbuf_cstr(w));
367 if (!stylesheet && default_stylesheet.length())
368 stylesheet = default_stylesheet.c_str();
370 // build and send SRU response
371 mp_util::build_sru_response(package, odr_en, soap,
372 sru_pdu_res, charset, stylesheet);
376 yf::SRUtoZ3950::Frontend::Frontend() : m_in_use(true)
380 yf::SRUtoZ3950::Frontend::~Frontend()
385 yf::SRUtoZ3950::FrontendPtr yf::SRUtoZ3950::Impl::get_frontend(
386 mp::Package &package)
388 boost::mutex::scoped_lock lock(m_mutex_session);
390 std::map<mp::Session,yf::SRUtoZ3950::FrontendPtr>::iterator it;
394 it = m_clients.find(package.session());
395 if (it == m_clients.end())
398 if (!it->second->m_in_use)
400 it->second->m_in_use = true;
403 m_cond_session_ready.wait(lock);
405 FrontendPtr f(new Frontend);
406 m_clients[package.session()] = f;
411 void yf::SRUtoZ3950::Impl::release_frontend(mp::Package &package)
413 boost::mutex::scoped_lock lock(m_mutex_session);
414 std::map<mp::Session,FrontendPtr>::iterator it;
416 it = m_clients.find(package.session());
417 if (it != m_clients.end())
419 if (package.session().is_closed())
425 it->second->m_in_use = false;
427 m_cond_session_ready.notify_all();
431 void yf::SRUtoZ3950::Impl::process(mp::Package &package)
433 FrontendPtr f = get_frontend(package);
435 Z_GDU *zgdu_req = package.request().get();
437 if (zgdu_req && zgdu_req->which == Z_GDU_HTTP_Request)
439 sru(package, zgdu_req);
445 release_frontend(package);
449 yf::SRUtoZ3950::Impl::z3950_init_request(mp::Package &package,
452 Z_SRW_PDU *sru_pdu_res,
453 const Z_SRW_PDU *sru_pdu_req) const
455 // prepare Z3950 package
456 Package z3950_package(package.session(), package.origin());
457 z3950_package.copy_filter(package);
459 // set initRequest APDU
460 Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_initRequest);
461 Z_InitRequest *init_req = apdu->u.initRequest;
463 Z_IdAuthentication *auth = NULL;
464 if (sru_pdu_req->username && !sru_pdu_req->password)
466 auth = (Z_IdAuthentication *) odr_malloc(odr_en, sizeof(Z_IdAuthentication));
467 auth->which = Z_IdAuthentication_open;
468 auth->u.open = odr_strdup(odr_en, sru_pdu_req->username);
470 else if (sru_pdu_req->username && sru_pdu_req->password)
472 auth = (Z_IdAuthentication *) odr_malloc(odr_en, sizeof(Z_IdAuthentication));
473 auth->which = Z_IdAuthentication_idPass;
474 auth->u.idPass = (Z_IdPass *) odr_malloc(odr_en, sizeof(Z_IdPass));
475 auth->u.idPass->groupId = NULL;
476 auth->u.idPass->password = odr_strdup(odr_en, sru_pdu_req->password);
477 auth->u.idPass->userId = odr_strdup(odr_en, sru_pdu_req->username);
480 init_req->idAuthentication = auth;
482 *init_req->preferredMessageSize = 10*1024*1024;
483 *init_req->maximumRecordSize = 10*1024*1024;
485 ODR_MASK_SET(init_req->options, Z_Options_search);
486 ODR_MASK_SET(init_req->options, Z_Options_present);
487 ODR_MASK_SET(init_req->options, Z_Options_namedResultSets);
488 ODR_MASK_SET(init_req->options, Z_Options_scan);
490 ODR_MASK_SET(init_req->protocolVersion, Z_ProtocolVersion_1);
491 ODR_MASK_SET(init_req->protocolVersion, Z_ProtocolVersion_2);
492 ODR_MASK_SET(init_req->protocolVersion, Z_ProtocolVersion_3);
497 std::list<std::string> dblist;
498 mp_util::split_zurl(zurl, host, dblist);
499 mp_util::set_vhost_otherinfo(&init_req->otherInfo, odr_en, host, 1);
502 Z_GDU *zgdu_req = package.request().get();
503 if (zgdu_req->which == Z_GDU_HTTP_Request)
505 Z_HTTP_Request *hreq = zgdu_req->u.HTTP_Request;
506 const char *peer_name =
507 z_HTTP_header_lookup(hreq->headers, "X-Forwarded-For");
510 yaz_oi_set_string_oid(&init_req->otherInfo, odr_en,
511 yaz_oid_userinfo_client_ip, 1, peer_name);
515 z3950_package.request() = apdu;
517 // send Z3950 package
518 z3950_package.move();
520 // check successful initResponse
521 Z_GDU *z3950_gdu = z3950_package.response().get();
523 int error = YAZ_SRW_SYSTEM_TEMPORARILY_UNAVAILABLE;
524 const char *addinfo = 0;
525 if (z3950_gdu && z3950_gdu->which == Z_GDU_Z3950
526 && z3950_gdu->u.z3950->which == Z_APDU_initResponse)
528 Z_InitResponse *initrs = z3950_gdu->u.z3950->u.initResponse;
534 Z_DefaultDiagFormat *df = yaz_decode_init_diag(no, initrs);
538 yaz_add_srw_diagnostic(odr_en,
539 &(sru_pdu_res->u.response->diagnostics),
540 &(sru_pdu_res->u.response->num_diagnostics),
541 yaz_diag_bib1_to_srw(*df->condition),
546 return false; // got least one diagnostic from init
548 // we just have result=false.
549 error = YAZ_SRW_AUTHENTICATION_ERROR;
552 addinfo = "sru_z3950: expected initResponse";
553 yaz_add_srw_diagnostic(odr_en,
554 &(sru_pdu_res->u.response->diagnostics),
555 &(sru_pdu_res->u.response->num_diagnostics),
560 bool yf::SRUtoZ3950::Impl::z3950_close_request(mp::Package &package) const
562 Package z3950_package(package.session(), package.origin());
563 z3950_package.copy_filter(package);
564 z3950_package.session().close();
566 z3950_package.move();
568 if (z3950_package.session().is_closed())
575 bool yf::SRUtoZ3950::Impl::z3950_search_request(mp::Package &package,
576 mp::Package &z3950_package,
578 Z_SRW_PDU *sru_pdu_res,
579 Z_SRW_searchRetrieveRequest
582 std::string dbappend) const
585 assert(sru_pdu_res->u.response);
587 Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_searchRequest);
588 Z_SearchRequest *z_searchRequest = apdu->u.searchRequest;
590 // RecordSyntax will always be XML
591 z_searchRequest->preferredRecordSyntax
592 = odr_oiddup(odr_en, yaz_oid_recsyn_xml);
594 if (!mp_util::set_databases_from_zurl(odr_en, zurl,
595 &z_searchRequest->num_databaseNames,
596 &z_searchRequest->databaseNames))
600 if (sr_req->database)
601 db = sr_req->database;
605 if (dbappend.length())
610 z_searchRequest->num_databaseNames = 1;
611 z_searchRequest->databaseNames = (char**)
612 odr_malloc(odr_en, sizeof(char *));
613 z_searchRequest->databaseNames[0] = odr_strdup(odr_en, db.c_str());
615 #if YAZ_VERSIONL >= 0x50000
616 // yaz_oi_set_facetlist not public in YAZ 4.2.66
617 if (sr_req->facetList)
619 Z_OtherInformation **oi = &z_searchRequest->additionalSearchInfo;
620 yaz_oi_set_facetlist(oi, odr_en, sr_req->facetList);
624 Z_Query *z_query = (Z_Query *) odr_malloc(odr_en, sizeof(Z_Query));
625 z_searchRequest->query = z_query;
627 int sru_diagnostic = z3950_build_query(odr_en, z_query, sr_req);
630 yaz_add_srw_diagnostic(odr_en,
631 &(sru_pdu_res->u.response->diagnostics),
632 &(sru_pdu_res->u.response->num_diagnostics),
638 z3950_package.request() = apdu;
640 z3950_package.move();
642 Z_GDU *z3950_gdu = z3950_package.response().get();
644 if (!z3950_gdu || z3950_gdu->which != Z_GDU_Z3950
645 || z3950_gdu->u.z3950->which != Z_APDU_searchResponse
646 || !z3950_gdu->u.z3950->u.searchResponse
647 || !z3950_gdu->u.z3950->u.searchResponse->searchStatus)
649 yaz_add_srw_diagnostic(odr_en,
650 &(sru_pdu_res->u.response->diagnostics),
651 &(sru_pdu_res->u.response->num_diagnostics),
652 YAZ_SRW_SYSTEM_TEMPORARILY_UNAVAILABLE, 0);
656 Z_SearchResponse *sr = z3950_gdu->u.z3950->u.searchResponse;
658 if (!z3950_to_srw_diagnostics_ok(odr_en, sru_pdu_res->u.response,
663 #if YAZ_VERSIONL >= 0x50000
664 Z_FacetList *fl = yaz_oi_get_facetlist(&sr->additionalSearchInfo);
666 fl = yaz_oi_get_facetlist(&sr->otherInfo);
667 sru_pdu_res->u.response->facetList = fl;
669 sru_pdu_res->u.response->numberOfRecords
670 = odr_intdup(odr_en, *sr->resultCount);
674 bool yf::SRUtoZ3950::Impl::z3950_present_request(
675 mp::Package &package,
677 Z_SRW_PDU *sru_pdu_res,
678 const Z_SRW_searchRetrieveRequest *sr_req)
681 assert(sru_pdu_res->u.response);
688 if (sr_req->maximumRecords)
689 max_recs = *sr_req->maximumRecords;
690 if (sr_req->startRecord)
691 start = *sr_req->startRecord;
693 // no need to work if nobody wants record ..
697 bool send_z3950_present = true;
699 // recordXPath unsupported.
700 if (sr_req->recordXPath)
702 send_z3950_present = false;
703 yaz_add_srw_diagnostic(odr_en,
704 &(sru_pdu_res->u.response->diagnostics),
705 &(sru_pdu_res->u.response->num_diagnostics),
706 YAZ_SRW_XPATH_RETRIEVAL_UNSUPP, 0);
709 // resultSetTTL unsupported.
710 // resultSetIdleTime in response
711 if (sr_req->resultSetTTL)
713 send_z3950_present = false;
714 yaz_add_srw_diagnostic(odr_en,
715 &(sru_pdu_res->u.response->diagnostics),
716 &(sru_pdu_res->u.response->num_diagnostics),
717 YAZ_SRW_RESULT_SETS_UNSUPP, 0);
721 if (sr_req->sort_type != Z_SRW_sort_type_none)
723 send_z3950_present = false;
724 yaz_add_srw_diagnostic(odr_en,
725 &(sru_pdu_res->u.response->diagnostics),
726 &(sru_pdu_res->u.response->num_diagnostics),
727 YAZ_SRW_SORT_UNSUPP, 0);
730 // start record requested negative, or larger than number of records
731 if (start < 0 || start > *sru_pdu_res->u.response->numberOfRecords)
733 send_z3950_present = false;
734 yaz_add_srw_diagnostic(odr_en,
735 &(sru_pdu_res->u.response->diagnostics),
736 &(sru_pdu_res->u.response->num_diagnostics),
737 YAZ_SRW_FIRST_RECORD_POSITION_OUT_OF_RANGE, 0);
740 // maximumRecords requested negative
743 send_z3950_present = false;
744 yaz_add_srw_diagnostic(odr_en,
745 &(sru_pdu_res->u.response->diagnostics),
746 &(sru_pdu_res->u.response->num_diagnostics),
747 YAZ_SRW_UNSUPP_PARAMETER_VALUE,
751 // exit on all these above diagnostics
752 if (!send_z3950_present)
755 if (max_recs > *sru_pdu_res->u.response->numberOfRecords - start)
756 max_recs = *sru_pdu_res->u.response->numberOfRecords - start + 1;
758 Z_SRW_searchRetrieveResponse *sru_res = sru_pdu_res->u.response;
759 sru_res->records = (Z_SRW_record *)
760 odr_malloc(odr_en, max_recs * sizeof(Z_SRW_record));
762 while (num < max_recs)
764 // now packaging the z3950 present request
765 Package z3950_package(package.session(), package.origin());
766 z3950_package.copy_filter(package);
767 Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_presentRequest);
769 assert(apdu->u.presentRequest);
771 *apdu->u.presentRequest->resultSetStartPoint = start + num;
772 *apdu->u.presentRequest->numberOfRecordsRequested = max_recs - num;
774 // set response packing to be same as "request" packing..
775 int record_packing = Z_SRW_recordPacking_XML;
776 if (sr_req->recordPacking && 's' == *(sr_req->recordPacking))
777 record_packing = Z_SRW_recordPacking_string;
779 // RecordSyntax will always be XML
780 apdu->u.presentRequest->preferredRecordSyntax
781 = odr_oiddup(odr_en, yaz_oid_recsyn_xml);
783 // z3950'fy record schema
784 if (sr_req->recordSchema)
786 apdu->u.presentRequest->recordComposition
787 = (Z_RecordComposition *)
788 odr_malloc(odr_en, sizeof(Z_RecordComposition));
789 apdu->u.presentRequest->recordComposition->which
790 = Z_RecordComp_simple;
791 apdu->u.presentRequest->recordComposition->u.simple
792 = mp_util::build_esn_from_schema(odr_en,
794 sr_req->recordSchema);
797 // attaching Z3950 package to filter chain
798 z3950_package.request() = apdu;
800 // sending Z30.50 present request
801 z3950_package.move();
803 //check successful Z3950 present response
804 Z_GDU *z3950_gdu = z3950_package.response().get();
805 if (!z3950_gdu || z3950_gdu->which != Z_GDU_Z3950
806 || z3950_gdu->u.z3950->which != Z_APDU_presentResponse
807 || !z3950_gdu->u.z3950->u.presentResponse)
810 yaz_add_srw_diagnostic(odr_en,
811 &(sru_pdu_res->u.response->diagnostics),
812 &(sru_pdu_res->u.response->num_diagnostics),
813 YAZ_SRW_SYSTEM_TEMPORARILY_UNAVAILABLE, 0);
816 // everything fine, continuing
818 Z_PresentResponse *pr = z3950_gdu->u.z3950->u.presentResponse;
820 // checking non surrogate diagnostics in Z3950 present response package
821 if (!z3950_to_srw_diagnostics_ok(odr_en, sru_pdu_res->u.response,
825 // if anything but database or surrogate diagnostics, stop
826 if (!pr->records || pr->records->which != Z_Records_DBOSD)
830 // inserting all records
832 pr->records->u.databaseOrSurDiagnostics->num_records;
833 for (int i = 0; i < returned_recs; i++)
835 int position = i + *apdu->u.presentRequest->resultSetStartPoint;
836 Z_NamePlusRecord *npr
837 = pr->records->u.databaseOrSurDiagnostics->records[i];
839 sru_res->records[i + num].recordPacking = record_packing;
841 if (npr->which == Z_NamePlusRecord_surrogateDiagnostic)
843 Z_DiagRec *p = npr->u.surrogateDiagnostic;
844 if (p->which == Z_DiagRec_defaultFormat)
846 Z_DefaultDiagFormat *df = p->u.defaultFormat;
847 int c = yaz_diag_bib1_to_srw(*df->condition);
849 yaz_mk_sru_surrogate(
850 odr_en, sru_res->records + i + num, position,
855 yaz_mk_sru_surrogate(
856 odr_en, sru_res->records + i + num, position,
857 YAZ_SRW_RECORD_TEMPORARILY_UNAVAILABLE, 0);
860 else if (npr->which == Z_NamePlusRecord_databaseRecord &&
861 npr->u.databaseRecord->direct_reference
862 && !oid_oidcmp(npr->u.databaseRecord->direct_reference,
865 // got XML record back
866 Z_External *r = npr->u.databaseRecord;
867 sru_res->records[i + num].recordPosition =
868 odr_intdup(odr_en, position);
869 sru_res->records[i + num].recordSchema = sr_req->recordSchema;
870 sru_res->records[i + num].recordData_buf
871 = odr_strdupn(odr_en,
872 (const char *)r->u.octet_aligned->buf,
873 r->u.octet_aligned->len);
874 sru_res->records[i + num].recordData_len
875 = r->u.octet_aligned->len;
879 // not XML or no database record at all
880 yaz_mk_sru_surrogate(
881 odr_en, sru_res->records + i + num, position,
882 YAZ_SRW_RECORD_NOT_AVAILABLE_IN_THIS_SCHEMA, 0);
885 num += returned_recs;
888 sru_res->num_records = num;
889 if (start - 1 + num < *sru_pdu_res->u.response->numberOfRecords)
890 sru_res->nextRecordPosition =
891 odr_intdup(odr_en, start + num);
895 int yf::SRUtoZ3950::Impl::z3950_build_query(
896 mp::odr &odr_en, Z_Query *z_query,
897 const Z_SRW_searchRetrieveRequest *req
901 #ifdef Z_SRW_query_type_cql
902 req->query_type == Z_SRW_query_type_cql
904 !strcmp(req->queryType, "cql")
908 Z_External *ext = (Z_External *)
909 odr_malloc(odr_en, sizeof(*ext));
910 ext->direct_reference =
911 odr_getoidbystr(odr_en, "1.2.840.10003.16.2");
912 ext->indirect_reference = 0;
914 ext->which = Z_External_CQL;
915 ext->u.cql = odr_strdup(odr_en,
916 #ifdef Z_SRW_query_type_cql
923 z_query->which = Z_Query_type_104;
924 z_query->u.type_104 = ext;
929 #ifdef Z_SRW_query_type_pqf
930 req->query_type == Z_SRW_query_type_pqf
932 !strcmp(req->queryType, "pqf")
936 Z_RPNQuery *RPNquery;
937 YAZ_PQF_Parser pqf_parser;
939 pqf_parser = yaz_pqf_create ();
941 RPNquery = yaz_pqf_parse (pqf_parser, odr_en,
942 #ifdef Z_SRW_query_type_pqf
948 yaz_pqf_destroy(pqf_parser);
951 return YAZ_SRW_QUERY_SYNTAX_ERROR;
953 z_query->which = Z_Query_type_1;
954 z_query->u.type_1 = RPNquery;
958 return YAZ_SRW_MANDATORY_PARAMETER_NOT_SUPPLIED;
961 bool yf::SRUtoZ3950::Impl::z3950_to_srw_diagnostics_ok(
963 Z_SRW_searchRetrieveResponse
965 Z_Records *records) const
967 // checking non surrogate diagnostics in Z3950 present response package
969 && records->which == Z_Records_NSD
970 && records->u.nonSurrogateDiagnostic)
972 z3950_to_srw_diag(odr_en, sru_res,
973 records->u.nonSurrogateDiagnostic);
979 int yf::SRUtoZ3950::Impl::z3950_to_srw_diag(
981 Z_SRW_searchRetrieveResponse *sru_res,
982 Z_DefaultDiagFormat *ddf) const
984 int bib1_code = *ddf->condition;
985 sru_res->num_diagnostics = 1;
986 sru_res->diagnostics = (Z_SRW_diagnostic *)
987 odr_malloc(odr_en, sizeof(*sru_res->diagnostics));
988 yaz_mk_std_diagnostic(odr_en, sru_res->diagnostics,
989 yaz_diag_bib1_to_srw(bib1_code),
994 static mp::filter::Base* filter_creator()
996 return new mp::filter::SRUtoZ3950;
1000 struct metaproxy_1_filter_struct metaproxy_1_filter_sru_z3950 = {
1011 * c-file-style: "Stroustrup"
1012 * indent-tabs-mode: nil
1014 * vim: shiftwidth=4 tabstop=8 expandtab