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 #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;
66 std::string default_stylesheet;
68 typedef std::map<std::string, int> ActiveUrlMap;
70 boost::mutex m_url_mutex;
71 boost::condition m_cond_url_ready;
72 ActiveUrlMap m_active_urls;
75 boost::mutex m_mutex_session;
76 boost::condition m_cond_session_ready;
77 std::map<mp::Session, FrontendPtr> m_clients;
79 void sru(metaproxy_1::Package &package, Z_GDU *zgdu_req);
80 int z3950_build_query(
81 mp::odr &odr_en, Z_Query *z_query,
82 const Z_SRW_searchRetrieveRequest *req
85 bool z3950_init_request(
89 Z_SRW_PDU *sru_pdu_res,
90 const Z_SRW_PDU *sru_pdu_req
93 bool z3950_close_request(mp::Package &package) const;
95 bool z3950_search_request(
98 Z_SRW_PDU *sru_pdu_res,
99 Z_SRW_searchRetrieveRequest const *sr_req,
101 std::string db_append
104 bool z3950_present_request(
105 mp::Package &package,
107 Z_SRW_PDU *sru_pdu_res,
108 Z_SRW_searchRetrieveRequest const *sr_req
111 bool z3950_to_srw_diagnostics_ok(
113 Z_SRW_searchRetrieveResponse *srw_res,
117 int z3950_to_srw_diag(
119 Z_SRW_searchRetrieveResponse *srw_res,
120 Z_DefaultDiagFormat *ddf
127 yf::SRUtoZ3950::SRUtoZ3950() : m_p(new Impl)
131 yf::SRUtoZ3950::~SRUtoZ3950()
132 { // must have a destructor because of boost::scoped_ptr
135 void yf::SRUtoZ3950::configure(const xmlNode *xmlnode, bool test_only,
138 m_p->configure(xmlnode);
141 void yf::SRUtoZ3950::process(mp::Package &package) const
143 m_p->process(package);
146 void yf::SRUtoZ3950::Impl::configure(const xmlNode *confignode)
148 const xmlNode * dbnode;
150 for (dbnode = confignode->children; dbnode; dbnode = dbnode->next)
152 if (dbnode->type != XML_ELEMENT_NODE)
155 if (!strcmp((const char *) dbnode->name, "database"))
157 std::string database;
159 for (struct _xmlAttr *attr = dbnode->properties;
160 attr; attr = attr->next)
162 mp::xml::check_attribute(attr, "", "name");
163 database = mp::xml::get_text(attr);
165 const xmlNode *explainnode;
166 for (explainnode = dbnode->children;
167 explainnode; explainnode = explainnode->next)
169 if (explainnode->type == XML_ELEMENT_NODE)
171 m_database_explain.insert(
172 std::make_pair(database, explainnode));
178 else if (!strcmp((const char *) dbnode->name, "stylesheet"))
180 default_stylesheet = mp::xml::get_text(dbnode);
184 throw mp::filter::FilterException
186 + std::string((const char *) dbnode->name)
193 void yf::SRUtoZ3950::Impl::sru(mp::Package &package, Z_GDU *zgdu_req)
197 mp::odr odr_de(ODR_DECODE);
198 Z_SRW_PDU *sru_pdu_req = 0;
200 mp::odr odr_en(ODR_ENCODE);
201 Z_SRW_PDU *sru_pdu_res = yaz_srw_get(odr_en, Z_SRW_explain_response);
203 // determine database with the HTTP header information only
204 mp_util::SRUServerInfo sruinfo = mp_util::get_sru_server_info(package);
205 std::map<std::string, const xmlNode *>::iterator idbexp;
206 idbexp = m_database_explain.find(sruinfo.database);
208 // assign explain config XML DOM node if database is known
209 const xmlNode *explainnode = 0;
210 if (idbexp != m_database_explain.end())
212 explainnode = idbexp->second;
215 // decode SRU request
218 const char *stylesheet = 0;
220 // filter acts as sink for non-valid SRU requests
221 if (! (sru_pdu_req = mp_util::decode_sru_request(package, odr_de, odr_en,
227 mp_util::build_sru_explain(package, odr_en, sru_pdu_res,
228 sruinfo, explainnode);
229 mp_util::build_sru_response(package, odr_en, soap,
230 sru_pdu_res, charset, stylesheet);
234 metaproxy_1::odr odr;
236 odr.create_HTTP_Response(package.session(),
237 zgdu_req->u.HTTP_Request, 400);
238 package.response() = zgdu_res;
243 bool enable_package_log = false;
246 Z_SRW_extra_arg *arg;
248 for ( arg = sru_pdu_req->extra_args; arg; arg = arg->next)
249 if (!strcmp(arg->name, "x-target"))
251 zurl = std::string(arg->value);
253 else if (!strcmp(arg->name, "x-max-sockets"))
255 package.origin().set_max_sockets(atoi(arg->value));
257 else if (!strcmp(arg->name, "x-session-id"))
259 package.origin().set_custom_session(arg->value);
261 else if (!strcmp(arg->name, "x-log-enable"))
263 if (*arg->value == '1')
265 enable_package_log = true;
266 package.log_enable();
269 else if (!strncmp(arg->name, "x-client-", 9) && arg->value)
273 dbargs += mp_util::uri_encode(arg->name + 9);
275 dbargs += mp_util::uri_encode(arg->value);
280 // filter acts as sink for SRU explain requests
281 if (sru_pdu_req->which == Z_SRW_explain_request)
283 Z_SRW_explainRequest *er_req = sru_pdu_req->u.explain_request;
284 stylesheet = er_req->stylesheet;
286 mp_util::build_sru_explain(package, odr_en, sru_pdu_res,
287 sruinfo, explainnode, er_req);
289 else if (sru_pdu_req->which == Z_SRW_searchRetrieve_request
290 && sru_pdu_req->u.request)
292 Z_SRW_searchRetrieveRequest *sr_req = sru_pdu_req->u.request;
293 stylesheet = sr_req->stylesheet;
295 sru_pdu_res = yaz_srw_get_pdu(odr_en, Z_SRW_searchRetrieve_response,
296 sru_pdu_req->srw_version);
298 // checking that we have a query
299 ok = mp_util::check_sru_query_exists(package, odr_en,
300 sru_pdu_res, sr_req);
302 if (ok && z3950_init_request(package, odr_en,
303 zurl, sru_pdu_res, sru_pdu_req))
305 ok = z3950_search_request(package, odr_en,
306 sru_pdu_res, sr_req, zurl, dbargs);
309 && sru_pdu_res->u.response->numberOfRecords
310 && *(sru_pdu_res->u.response->numberOfRecords))
312 ok = z3950_present_request(package, odr_en,
315 z3950_close_request(package);
320 else if (sru_pdu_req->which == Z_SRW_scan_request
321 && sru_pdu_req->u.scan_request)
323 sru_pdu_res = yaz_srw_get_pdu(odr_en, Z_SRW_scan_response,
324 sru_pdu_req->srw_version);
325 stylesheet = sru_pdu_req->u.scan_request->stylesheet;
327 // we do not do scan at the moment, therefore issuing a diagnostic
328 yaz_add_srw_diagnostic(odr_en,
329 &(sru_pdu_res->u.scan_response->diagnostics),
330 &(sru_pdu_res->u.scan_response->num_diagnostics),
331 YAZ_SRW_UNSUPP_OPERATION, "scan");
335 sru_pdu_res = yaz_srw_get(odr_en, Z_SRW_explain_response);
337 yaz_add_srw_diagnostic(odr_en,
338 &(sru_pdu_res->u.explain_response->diagnostics),
339 &(sru_pdu_res->u.explain_response->num_diagnostics),
340 YAZ_SRW_UNSUPP_OPERATION, "unknown");
343 if (enable_package_log)
346 package.log_reset(l);
351 wrbuf_puts(w, "<log>\n");
352 wrbuf_xmlputs(w, l.c_str());
353 wrbuf_puts(w, "</log>");
355 sru_pdu_res->extraResponseData_len = w.len();
356 sru_pdu_res->extraResponseData_buf =
357 odr_strdup(odr_en, wrbuf_cstr(w));
360 if (!stylesheet && default_stylesheet.length())
361 stylesheet = default_stylesheet.c_str();
363 // build and send SRU response
364 mp_util::build_sru_response(package, odr_en, soap,
365 sru_pdu_res, charset, stylesheet);
369 yf::SRUtoZ3950::Frontend::Frontend() : m_in_use(true)
373 yf::SRUtoZ3950::Frontend::~Frontend()
378 yf::SRUtoZ3950::FrontendPtr yf::SRUtoZ3950::Impl::get_frontend(
379 mp::Package &package)
381 boost::mutex::scoped_lock lock(m_mutex_session);
383 std::map<mp::Session,yf::SRUtoZ3950::FrontendPtr>::iterator it;
387 it = m_clients.find(package.session());
388 if (it == m_clients.end())
391 if (!it->second->m_in_use)
393 it->second->m_in_use = true;
396 m_cond_session_ready.wait(lock);
398 FrontendPtr f(new Frontend);
399 m_clients[package.session()] = f;
404 void yf::SRUtoZ3950::Impl::release_frontend(mp::Package &package)
406 boost::mutex::scoped_lock lock(m_mutex_session);
407 std::map<mp::Session,FrontendPtr>::iterator it;
409 it = m_clients.find(package.session());
410 if (it != m_clients.end())
412 if (package.session().is_closed())
418 it->second->m_in_use = false;
420 m_cond_session_ready.notify_all();
424 void yf::SRUtoZ3950::Impl::process(mp::Package &package)
426 FrontendPtr f = get_frontend(package);
428 Z_GDU *zgdu_req = package.request().get();
430 if (zgdu_req && zgdu_req->which == Z_GDU_HTTP_Request)
432 if (zgdu_req->u.HTTP_Request->content_len == 0)
434 const char *path = zgdu_req->u.HTTP_Request->path;
435 boost::mutex::scoped_lock lock(m_url_mutex);
438 ActiveUrlMap::iterator it = m_active_urls.find(path);
439 if (it == m_active_urls.end())
441 m_active_urls[path] = 1;
444 yaz_log(YLOG_LOG, "Waiting for %s to complete", path);
445 m_cond_url_ready.wait(lock);
448 sru(package, zgdu_req);
449 if (zgdu_req && zgdu_req->u.HTTP_Request->content_len == 0)
451 const char *path = zgdu_req->u.HTTP_Request->path;
452 boost::mutex::scoped_lock lock(m_url_mutex);
454 ActiveUrlMap::iterator it = m_active_urls.find(path);
456 m_active_urls.erase(it);
457 m_cond_url_ready.notify_all();
464 release_frontend(package);
468 yf::SRUtoZ3950::Impl::z3950_init_request(mp::Package &package,
471 Z_SRW_PDU *sru_pdu_res,
472 const Z_SRW_PDU *sru_pdu_req) const
474 // prepare Z3950 package
475 Package z3950_package(package.session(), package.origin());
476 z3950_package.copy_filter(package);
478 // set initRequest APDU
479 Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_initRequest);
480 Z_InitRequest *init_req = apdu->u.initRequest;
482 Z_IdAuthentication *auth = NULL;
483 if (sru_pdu_req->username && !sru_pdu_req->password)
485 auth = (Z_IdAuthentication *) odr_malloc(odr_en, sizeof(Z_IdAuthentication));
486 auth->which = Z_IdAuthentication_open;
487 auth->u.open = odr_strdup(odr_en, sru_pdu_req->username);
489 else if (sru_pdu_req->username && sru_pdu_req->password)
491 auth = (Z_IdAuthentication *) odr_malloc(odr_en, sizeof(Z_IdAuthentication));
492 auth->which = Z_IdAuthentication_idPass;
493 auth->u.idPass = (Z_IdPass *) odr_malloc(odr_en, sizeof(Z_IdPass));
494 auth->u.idPass->groupId = NULL;
495 auth->u.idPass->password = odr_strdup(odr_en, sru_pdu_req->password);
496 auth->u.idPass->userId = odr_strdup(odr_en, sru_pdu_req->username);
499 init_req->idAuthentication = auth;
501 *init_req->preferredMessageSize = 10*1024*1024;
502 *init_req->maximumRecordSize = 10*1024*1024;
504 ODR_MASK_SET(init_req->options, Z_Options_search);
505 ODR_MASK_SET(init_req->options, Z_Options_present);
506 ODR_MASK_SET(init_req->options, Z_Options_namedResultSets);
507 ODR_MASK_SET(init_req->options, Z_Options_scan);
509 ODR_MASK_SET(init_req->protocolVersion, Z_ProtocolVersion_1);
510 ODR_MASK_SET(init_req->protocolVersion, Z_ProtocolVersion_2);
511 ODR_MASK_SET(init_req->protocolVersion, Z_ProtocolVersion_3);
516 std::list<std::string> dblist;
517 mp_util::split_zurl(zurl, host, dblist);
518 mp_util::set_vhost_otherinfo(&init_req->otherInfo, odr_en, host, 1);
521 z3950_package.request() = apdu;
523 // send Z3950 package
524 z3950_package.move();
526 // check successful initResponse
527 Z_GDU *z3950_gdu = z3950_package.response().get();
529 int error = YAZ_SRW_SYSTEM_TEMPORARILY_UNAVAILABLE;
530 const char *addinfo = 0;
531 if (z3950_gdu && z3950_gdu->which == Z_GDU_Z3950
532 && z3950_gdu->u.z3950->which == Z_APDU_initResponse)
534 Z_InitResponse *initrs = z3950_gdu->u.z3950->u.initResponse;
540 Z_DefaultDiagFormat *df = yaz_decode_init_diag(no, initrs);
544 yaz_add_srw_diagnostic(odr_en,
545 &(sru_pdu_res->u.response->diagnostics),
546 &(sru_pdu_res->u.response->num_diagnostics),
547 yaz_diag_bib1_to_srw(*df->condition),
552 return false; // got least one diagnostic from init
554 // we just have result=false.
555 error = YAZ_SRW_AUTHENTICATION_ERROR;
558 addinfo = "sru_z3950: expected initResponse";
559 yaz_add_srw_diagnostic(odr_en,
560 &(sru_pdu_res->u.response->diagnostics),
561 &(sru_pdu_res->u.response->num_diagnostics),
566 bool yf::SRUtoZ3950::Impl::z3950_close_request(mp::Package &package) const
568 Package z3950_package(package.session(), package.origin());
569 z3950_package.copy_filter(package);
570 z3950_package.session().close();
572 z3950_package.move();
574 if (z3950_package.session().is_closed())
581 bool yf::SRUtoZ3950::Impl::z3950_search_request(mp::Package &package,
583 Z_SRW_PDU *sru_pdu_res,
584 Z_SRW_searchRetrieveRequest
587 std::string dbappend) const
590 assert(sru_pdu_res->u.response);
592 Package z3950_package(package.session(), package.origin());
593 z3950_package.copy_filter(package);
595 Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_searchRequest);
596 Z_SearchRequest *z_searchRequest = apdu->u.searchRequest;
598 // RecordSyntax will always be XML
599 z_searchRequest->preferredRecordSyntax
600 = odr_oiddup(odr_en, yaz_oid_recsyn_xml);
602 if (!mp_util::set_databases_from_zurl(odr_en, zurl,
603 &z_searchRequest->num_databaseNames,
604 &z_searchRequest->databaseNames))
608 if (sr_req->database)
609 db = sr_req->database;
613 if (dbappend.length())
618 z_searchRequest->num_databaseNames = 1;
619 z_searchRequest->databaseNames = (char**)
620 odr_malloc(odr_en, sizeof(char *));
621 z_searchRequest->databaseNames[0] = odr_strdup(odr_en, db.c_str());
623 #if YAZ_VERSIONL >= 0x50000
624 // yaz_oi_set_facetlist not public in YAZ 4.2.66
625 if (sr_req->facetList)
627 Z_OtherInformation **oi = &z_searchRequest->otherInfo;
628 yaz_oi_set_facetlist(oi, odr_en, sr_req->facetList);
632 Z_Query *z_query = (Z_Query *) odr_malloc(odr_en, sizeof(Z_Query));
633 z_searchRequest->query = z_query;
635 int sru_diagnostic = z3950_build_query(odr_en, z_query, sr_req);
638 yaz_add_srw_diagnostic(odr_en,
639 &(sru_pdu_res->u.response->diagnostics),
640 &(sru_pdu_res->u.response->num_diagnostics),
646 z3950_package.request() = apdu;
648 z3950_package.move();
650 Z_GDU *z3950_gdu = z3950_package.response().get();
652 if (!z3950_gdu || z3950_gdu->which != Z_GDU_Z3950
653 || z3950_gdu->u.z3950->which != Z_APDU_searchResponse
654 || !z3950_gdu->u.z3950->u.searchResponse
655 || !z3950_gdu->u.z3950->u.searchResponse->searchStatus)
657 yaz_add_srw_diagnostic(odr_en,
658 &(sru_pdu_res->u.response->diagnostics),
659 &(sru_pdu_res->u.response->num_diagnostics),
660 YAZ_SRW_SYSTEM_TEMPORARILY_UNAVAILABLE, 0);
664 Z_SearchResponse *sr = z3950_gdu->u.z3950->u.searchResponse;
666 if (!z3950_to_srw_diagnostics_ok(odr_en, sru_pdu_res->u.response,
671 #if YAZ_VERSIONL >= 0x50000
672 Z_FacetList *fl = yaz_oi_get_facetlist(&sr->additionalSearchInfo);
674 fl = yaz_oi_get_facetlist(&sr->otherInfo);
675 sru_pdu_res->u.response->facetList = fl;
677 sru_pdu_res->u.response->numberOfRecords
678 = odr_intdup(odr_en, *sr->resultCount);
682 bool yf::SRUtoZ3950::Impl::z3950_present_request(
683 mp::Package &package,
685 Z_SRW_PDU *sru_pdu_res,
686 const Z_SRW_searchRetrieveRequest *sr_req)
689 assert(sru_pdu_res->u.response);
696 if (sr_req->maximumRecords)
697 max_recs = *sr_req->maximumRecords;
698 if (sr_req->startRecord)
699 start = *sr_req->startRecord;
701 // no need to work if nobody wants record ..
705 bool send_z3950_present = true;
707 // recordXPath unsupported.
708 if (sr_req->recordXPath)
710 send_z3950_present = false;
711 yaz_add_srw_diagnostic(odr_en,
712 &(sru_pdu_res->u.response->diagnostics),
713 &(sru_pdu_res->u.response->num_diagnostics),
714 YAZ_SRW_XPATH_RETRIEVAL_UNSUPP, 0);
717 // resultSetTTL unsupported.
718 // resultSetIdleTime in response
719 if (sr_req->resultSetTTL)
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_RESULT_SETS_UNSUPP, 0);
729 if (sr_req->sort_type != Z_SRW_sort_type_none)
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_SORT_UNSUPP, 0);
738 // start record requested negative, or larger than number of records
739 if (start < 0 || start > *sru_pdu_res->u.response->numberOfRecords)
741 send_z3950_present = false;
742 yaz_add_srw_diagnostic(odr_en,
743 &(sru_pdu_res->u.response->diagnostics),
744 &(sru_pdu_res->u.response->num_diagnostics),
745 YAZ_SRW_FIRST_RECORD_POSITION_OUT_OF_RANGE, 0);
748 // maximumRecords requested negative
751 send_z3950_present = false;
752 yaz_add_srw_diagnostic(odr_en,
753 &(sru_pdu_res->u.response->diagnostics),
754 &(sru_pdu_res->u.response->num_diagnostics),
755 YAZ_SRW_UNSUPP_PARAMETER_VALUE,
759 // exit on all these above diagnostics
760 if (!send_z3950_present)
763 if (max_recs > *sru_pdu_res->u.response->numberOfRecords - start)
764 max_recs = *sru_pdu_res->u.response->numberOfRecords - start + 1;
766 Z_SRW_searchRetrieveResponse *sru_res = sru_pdu_res->u.response;
767 sru_res->records = (Z_SRW_record *)
768 odr_malloc(odr_en, max_recs * sizeof(Z_SRW_record));
770 while (num < max_recs)
772 // now packaging the z3950 present request
773 Package z3950_package(package.session(), package.origin());
774 z3950_package.copy_filter(package);
775 Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_presentRequest);
777 assert(apdu->u.presentRequest);
779 *apdu->u.presentRequest->resultSetStartPoint = start + num;
780 *apdu->u.presentRequest->numberOfRecordsRequested = max_recs - num;
782 // set response packing to be same as "request" packing..
783 int record_packing = Z_SRW_recordPacking_XML;
784 if (sr_req->recordPacking && 's' == *(sr_req->recordPacking))
785 record_packing = Z_SRW_recordPacking_string;
787 // RecordSyntax will always be XML
788 apdu->u.presentRequest->preferredRecordSyntax
789 = odr_oiddup(odr_en, yaz_oid_recsyn_xml);
791 // z3950'fy record schema
792 if (sr_req->recordSchema)
794 apdu->u.presentRequest->recordComposition
795 = (Z_RecordComposition *)
796 odr_malloc(odr_en, sizeof(Z_RecordComposition));
797 apdu->u.presentRequest->recordComposition->which
798 = Z_RecordComp_simple;
799 apdu->u.presentRequest->recordComposition->u.simple
800 = mp_util::build_esn_from_schema(odr_en,
802 sr_req->recordSchema);
805 // attaching Z3950 package to filter chain
806 z3950_package.request() = apdu;
808 // sending Z30.50 present request
809 z3950_package.move();
811 //check successful Z3950 present response
812 Z_GDU *z3950_gdu = z3950_package.response().get();
813 if (!z3950_gdu || z3950_gdu->which != Z_GDU_Z3950
814 || z3950_gdu->u.z3950->which != Z_APDU_presentResponse
815 || !z3950_gdu->u.z3950->u.presentResponse)
818 yaz_add_srw_diagnostic(odr_en,
819 &(sru_pdu_res->u.response->diagnostics),
820 &(sru_pdu_res->u.response->num_diagnostics),
821 YAZ_SRW_SYSTEM_TEMPORARILY_UNAVAILABLE, 0);
824 // everything fine, continuing
826 Z_PresentResponse *pr = z3950_gdu->u.z3950->u.presentResponse;
828 // checking non surrogate diagnostics in Z3950 present response package
829 if (!z3950_to_srw_diagnostics_ok(odr_en, sru_pdu_res->u.response,
833 // if anything but database or surrogate diagnostics, stop
834 if (!pr->records || pr->records->which != Z_Records_DBOSD)
838 // inserting all records
840 pr->records->u.databaseOrSurDiagnostics->num_records;
841 for (int i = 0; i < returned_recs; i++)
843 int position = i + *apdu->u.presentRequest->resultSetStartPoint;
844 Z_NamePlusRecord *npr
845 = pr->records->u.databaseOrSurDiagnostics->records[i];
847 sru_res->records[i + num].recordPacking = record_packing;
849 if (npr->which == Z_NamePlusRecord_surrogateDiagnostic)
851 Z_DiagRec *p = npr->u.surrogateDiagnostic;
852 if (p->which == Z_DiagRec_defaultFormat)
854 Z_DefaultDiagFormat *df = p->u.defaultFormat;
855 int c = yaz_diag_bib1_to_srw(*df->condition);
857 yaz_mk_sru_surrogate(
858 odr_en, sru_res->records + i + num, position,
863 yaz_mk_sru_surrogate(
864 odr_en, sru_res->records + i + num, position,
865 YAZ_SRW_RECORD_TEMPORARILY_UNAVAILABLE, 0);
868 else if (npr->which == Z_NamePlusRecord_databaseRecord &&
869 npr->u.databaseRecord->direct_reference
870 && !oid_oidcmp(npr->u.databaseRecord->direct_reference,
873 // got XML record back
874 Z_External *r = npr->u.databaseRecord;
875 sru_res->records[i + num].recordPosition =
876 odr_intdup(odr_en, position);
877 sru_res->records[i + num].recordSchema = sr_req->recordSchema;
878 sru_res->records[i + num].recordData_buf
879 = odr_strdupn(odr_en,
880 (const char *)r->u.octet_aligned->buf,
881 r->u.octet_aligned->len);
882 sru_res->records[i + num].recordData_len
883 = r->u.octet_aligned->len;
887 // not XML or no database record at all
888 yaz_mk_sru_surrogate(
889 odr_en, sru_res->records + i + num, position,
890 YAZ_SRW_RECORD_NOT_AVAILABLE_IN_THIS_SCHEMA, 0);
893 num += returned_recs;
896 sru_res->num_records = num;
897 if (start - 1 + num < *sru_pdu_res->u.response->numberOfRecords)
898 sru_res->nextRecordPosition =
899 odr_intdup(odr_en, start + num);
903 int yf::SRUtoZ3950::Impl::z3950_build_query(
904 mp::odr &odr_en, Z_Query *z_query,
905 const Z_SRW_searchRetrieveRequest *req
909 #ifdef Z_SRW_query_type_cql
910 req->query_type == Z_SRW_query_type_cql
912 !strcmp(req->queryType, "cql")
916 Z_External *ext = (Z_External *)
917 odr_malloc(odr_en, sizeof(*ext));
918 ext->direct_reference =
919 odr_getoidbystr(odr_en, "1.2.840.10003.16.2");
920 ext->indirect_reference = 0;
922 ext->which = Z_External_CQL;
923 ext->u.cql = odr_strdup(odr_en,
924 #ifdef Z_SRW_query_type_cql
931 z_query->which = Z_Query_type_104;
932 z_query->u.type_104 = ext;
937 #ifdef Z_SRW_query_type_pqf
938 req->query_type == Z_SRW_query_type_pqf
940 !strcmp(req->queryType, "pqf")
944 Z_RPNQuery *RPNquery;
945 YAZ_PQF_Parser pqf_parser;
947 pqf_parser = yaz_pqf_create ();
949 RPNquery = yaz_pqf_parse (pqf_parser, odr_en,
950 #ifdef Z_SRW_query_type_pqf
956 yaz_pqf_destroy(pqf_parser);
959 return YAZ_SRW_QUERY_SYNTAX_ERROR;
961 z_query->which = Z_Query_type_1;
962 z_query->u.type_1 = RPNquery;
966 return YAZ_SRW_MANDATORY_PARAMETER_NOT_SUPPLIED;
969 bool yf::SRUtoZ3950::Impl::z3950_to_srw_diagnostics_ok(
971 Z_SRW_searchRetrieveResponse
973 Z_Records *records) const
975 // checking non surrogate diagnostics in Z3950 present response package
977 && records->which == Z_Records_NSD
978 && records->u.nonSurrogateDiagnostic)
980 z3950_to_srw_diag(odr_en, sru_res,
981 records->u.nonSurrogateDiagnostic);
987 int yf::SRUtoZ3950::Impl::z3950_to_srw_diag(
989 Z_SRW_searchRetrieveResponse *sru_res,
990 Z_DefaultDiagFormat *ddf) const
992 int bib1_code = *ddf->condition;
993 sru_res->num_diagnostics = 1;
994 sru_res->diagnostics = (Z_SRW_diagnostic *)
995 odr_malloc(odr_en, sizeof(*sru_res->diagnostics));
996 yaz_mk_std_diagnostic(odr_en, sru_res->diagnostics,
997 yaz_diag_bib1_to_srw(bib1_code),
1002 static mp::filter::Base* filter_creator()
1004 return new mp::filter::SRUtoZ3950;
1008 struct metaproxy_1_filter_struct metaproxy_1_filter_sru_z3950 = {
1019 * c-file-style: "Stroustrup"
1020 * indent-tabs-mode: nil
1022 * vim: shiftwidth=4 tabstop=8 expandtab