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
22 #include <sys/types.h>
23 #include "filter_zoom.hpp"
24 #include <metaproxy/package.hpp>
25 #include <metaproxy/util.hpp>
26 #include <metaproxy/xmlutil.hpp>
27 #include <yaz/comstack.h>
31 #include <libxslt/xsltutils.h>
32 #include <libxslt/transform.h>
34 #include <boost/thread/mutex.hpp>
35 #include <boost/thread/condition.hpp>
37 #include <yaz/yaz-version.h>
38 #include <yaz/tpath.h>
40 #include <yaz/ccl_xml.h>
42 #include <yaz/rpn2cql.h>
43 #include <yaz/rpn2solr.h>
44 #include <yaz/pquery.h>
46 #include <yaz/oid_db.h>
47 #include <yaz/diagbib1.h>
50 #include <yaz/querytowrbuf.h>
51 #include <yaz/sortspec.h>
52 #include <yaz/tokenizer.h>
54 #include <yaz/otherinfo.h>
56 namespace mp = metaproxy_1;
57 namespace yf = mp::filter;
59 namespace metaproxy_1 {
61 class Zoom::Searchable : boost::noncopyable {
63 std::string authentication;
64 std::string authenticationMode;
70 std::string query_encoding;
72 std::string sru_version;
73 std::string request_syntax;
74 std::string element_set;
75 std::string record_encoding;
76 std::string transform_xsl_fname;
77 std::string transform_xsl_content;
78 std::string urlRecipe;
79 std::string contentConnector;
80 std::string sortStrategy;
81 std::string extraArgs;
82 std::string rpn2cql_fname;
85 CCL_bibset ccl_bibset;
86 std::map<std::string, std::string> sortmap;
87 Searchable(CCL_bibset base);
90 class Zoom::Backend : boost::noncopyable {
92 friend class Frontend;
94 mp::wrbuf m_apdu_wrbuf;
95 ZOOM_connection m_connection;
96 ZOOM_resultset m_resultset;
97 std::string m_frontend_database;
99 xsltStylesheetPtr xsp;
100 std::string cproxy_host;
105 cql_transform_t cqlt;
109 void connect(std::string zurl, int *error, char **addinfo,
111 void search(ZOOM_query q, Odr_int *hits,
112 int *error, char **addinfo, Z_FacetList **fl, ODR odr);
113 void present(Odr_int start, Odr_int number, ZOOM_record *recs,
114 int *error, char **addinfo, ODR odr);
115 void set_option(const char *name, const char *value);
116 void set_option(const char *name, const char *value, size_t l);
117 void set_option(const char *name, std::string value);
118 const char *get_option(const char *name);
119 void get_zoom_error(int *error, char **addinfo, ODR odr);
121 class Zoom::Frontend : boost::noncopyable {
126 std::string session_realm;
127 yazpp_1::GDU m_init_gdu;
128 BackendPtr m_backend;
129 void handle_package(mp::Package &package);
130 void handle_search(mp::Package &package);
131 void auth(mp::Package &package, Z_InitRequest *req,
132 int *error, char **addinfo, ODR odr);
134 BackendPtr explain_search(mp::Package &package,
135 std::string &database,
139 std::string torus_url,
140 std::string &torus_db,
142 void handle_present(mp::Package &package);
143 BackendPtr get_backend_from_databases(mp::Package &package,
144 std::string &database,
150 bool create_content_session(mp::Package &package,
155 std::string authentication,
159 void prepare_elements(BackendPtr b,
160 Odr_oid *preferredRecordSyntax,
161 const char *element_set_name,
162 bool &enable_pz2_retrieval,
163 bool &enable_pz2_transform,
164 bool &enable_record_transform,
165 bool &assume_marc8_charset);
167 Z_Records *get_records(Package &package,
169 Odr_int number_to_present,
172 Odr_int *number_of_records_returned,
173 ODR odr, BackendPtr b,
174 Odr_oid *preferredRecordSyntax,
175 const char *element_set_name);
176 Z_Records *get_explain_records(Package &package,
178 Odr_int number_to_present,
181 Odr_int *number_of_records_returned,
182 ODR odr, BackendPtr b,
183 Odr_oid *preferredRecordSyntax,
184 const char *element_set_name);
185 bool retry(mp::Package &package,
188 int &error, char **addinfo,
189 int &proxy_step, int &same_retries,
191 void log_diagnostic(mp::Package &package,
192 int error, const char *addinfo);
194 Frontend(Impl *impl);
198 friend class Frontend;
202 void process(metaproxy_1::Package & package);
203 void configure(const xmlNode * ptr, bool test_only,
206 void configure_local_records(const xmlNode * ptr, bool test_only);
207 bool check_proxy(const char *proxy);
211 FrontendPtr get_frontend(mp::Package &package);
212 void release_frontend(mp::Package &package);
213 SearchablePtr parse_torus_record(const xmlNode *ptr);
214 struct cql_node *convert_cql_fields(struct cql_node *cn, ODR odr);
215 std::map<mp::Session, FrontendPtr> m_clients;
216 boost::mutex m_mutex;
217 boost::condition m_cond_session_ready;
218 std::string torus_searchable_url;
219 std::string torus_content_url;
220 std::string torus_auth_url;
221 std::string default_realm;
222 std::string torus_auth_hostname;
223 std::map<std::string,std::string> fieldmap;
225 std::string file_path;
226 std::string content_proxy_server;
227 std::string content_tmp_file;
228 std::string content_config_file;
231 std::string element_transform;
232 std::string element_raw;
233 std::string element_passthru;
235 xsltStylesheetPtr explain_xsp;
236 xsltStylesheetPtr record_xsp;
237 std::map<std::string,SearchablePtr> s_map;
238 std::string zoom_timeout;
245 static xmlNode *xml_node_search(xmlNode *ptr, int *num, int m)
249 if (ptr->type == XML_ELEMENT_NODE &&
250 !strcmp((const char *) ptr->name, "recordData"))
256 else // else: we don't want to find nested nodes
258 xmlNode *ret_node = xml_node_search(ptr->children, num, m);
267 // define Pimpl wrapper forwarding to Impl
269 yf::Zoom::Zoom() : m_p(new Impl)
274 { // must have a destructor because of boost::scoped_ptr
277 void yf::Zoom::configure(const xmlNode *xmlnode, bool test_only,
280 m_p->configure(xmlnode, test_only, path);
283 void yf::Zoom::process(mp::Package &package) const
285 m_p->process(package);
289 // define Implementation stuff
291 yf::Zoom::Backend::Backend()
293 m_connection = ZOOM_connection_create(0);
294 ZOOM_connection_save_apdu_wrbuf(m_connection, m_apdu_wrbuf);
297 enable_cproxy = true;
298 enable_explain = false;
303 yf::Zoom::Backend::~Backend()
306 xsltFreeStylesheet(xsp);
308 xmlFreeDoc(explain_doc);
309 cql_transform_close(cqlt);
310 ZOOM_connection_destroy(m_connection);
311 ZOOM_resultset_destroy(m_resultset);
315 void yf::Zoom::Backend::get_zoom_error(int *error, char **addinfo,
319 const char *zoom_addinfo = 0;
320 const char *dset = 0;
321 int error0 = ZOOM_connection_error_x(m_connection, &msg,
322 &zoom_addinfo, &dset);
328 if (!strcmp(dset, "info:srw/diagnostic/1"))
329 *error = yaz_diag_srw_to_bib1(error0);
330 else if (!strcmp(dset, "Bib-1"))
332 else if (!strcmp(dset, "ZOOM"))
334 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
335 if (error0 == ZOOM_ERROR_INIT)
336 *error = YAZ_BIB1_INIT_AC_AUTHENTICATION_SYSTEM_ERROR;
337 else if (error0 == ZOOM_ERROR_DECODE)
341 if (strstr(zoom_addinfo, "Authentication") ||
342 strstr(zoom_addinfo, "authentication"))
343 *error = YAZ_BIB1_INIT_AC_AUTHENTICATION_SYSTEM_ERROR;
348 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
350 *addinfo = (char *) odr_malloc(
351 odr, 30 + strlen(dset) + strlen(msg) +
352 (zoom_addinfo ? strlen(zoom_addinfo) : 0));
354 if (zoom_addinfo && *zoom_addinfo)
356 strcpy(*addinfo, zoom_addinfo);
357 strcat(*addinfo, " ");
359 sprintf(*addinfo + strlen(*addinfo), "(%s %d %s)", dset, error0, msg);
363 void yf::Zoom::Backend::connect(std::string zurl,
364 int *error, char **addinfo,
367 size_t h = zurl.find_first_of('#');
368 if (h != std::string::npos)
370 ZOOM_connection_connect(m_connection, zurl.length() ? zurl.c_str() : 0, 0);
371 get_zoom_error(error, addinfo, odr);
375 void yf::Zoom::Backend::search(ZOOM_query q, Odr_int *hits,
376 int *error, char **addinfo, Z_FacetList **flp,
379 ZOOM_resultset_destroy(m_resultset);
383 WRBUF w = wrbuf_alloc();
384 yaz_facet_list_to_wrbuf(w, *flp);
385 set_option("facets", wrbuf_cstr(w));
388 m_resultset = ZOOM_connection_search(m_connection, q);
389 get_zoom_error(error, addinfo, odr);
391 *hits = ZOOM_resultset_size(m_resultset);
395 size_t num_facets = ZOOM_resultset_facets_size(m_resultset);
399 Z_FacetList *fl = (Z_FacetList *) odr_malloc(odr, sizeof(*fl));
400 fl->elements = (Z_FacetField **)
401 odr_malloc(odr, num_facets * sizeof(*fl->elements));
402 for (i = 0; i < num_facets; i++)
404 ZOOM_facet_field ff =
405 ZOOM_resultset_get_facet_field_by_index(m_resultset, i);
408 Z_AttributeList *al = (Z_AttributeList *)
409 odr_malloc(odr, sizeof(*al));
410 al->num_attributes = 1;
411 al->attributes = (Z_AttributeElement **)
412 odr_malloc(odr, sizeof(*al->attributes));
413 Z_AttributeElement *ae = al->attributes[0] = (Z_AttributeElement *)
414 odr_malloc(odr, sizeof(**al->attributes));
415 ae->attributeSet = 0;
416 ae->attributeType = odr_intdup(odr, 1);
417 ae->which = Z_AttributeValue_complex;
418 ae->value.complex = (Z_ComplexAttribute *)
419 odr_malloc(odr, sizeof(*ae->value.complex));
420 ae->value.complex->num_list = 1;
421 ae->value.complex->list = (Z_StringOrNumeric **)
422 odr_malloc(odr, sizeof(**ae->value.complex->list));
423 ae->value.complex->list[0] = (Z_StringOrNumeric *)
424 odr_malloc(odr, sizeof(**ae->value.complex->list));
425 ae->value.complex->list[0]->which = Z_StringOrNumeric_string;
426 ae->value.complex->list[0]->u.string =
427 odr_strdup(odr, ZOOM_facet_field_name(ff));
428 ae->value.complex->num_semanticAction = 0;
429 ae->value.complex->semanticAction = 0;
431 int num_terms = ZOOM_facet_field_term_count(ff);
432 fl->elements[i] = (Z_FacetField *)
433 odr_malloc(odr, sizeof(Z_FacetField));
434 fl->elements[i]->attributes = al;
435 fl->elements[i]->num_terms = num_terms;
436 fl->elements[i]->terms = (Z_FacetTerm **)
437 odr_malloc(odr, num_terms * sizeof(Z_FacetTerm *));
439 for (j = 0; j < num_terms; j++)
442 const char *a_term = ZOOM_facet_field_get_term(ff, j, &freq);
443 Z_FacetTerm *ft = (Z_FacetTerm *) odr_malloc(odr, sizeof(*ft));
444 ft->term = z_Term_create(odr, Z_Term_general, a_term,
446 ft->count = odr_intdup(odr, freq);
448 fl->elements[i]->terms[j] = ft;
456 void yf::Zoom::Backend::present(Odr_int start, Odr_int number,
458 int *error, char **addinfo, ODR odr)
460 ZOOM_resultset_records(m_resultset, recs, start, number);
461 get_zoom_error(error, addinfo, odr);
465 void yf::Zoom::Backend::set_option(const char *name, const char *value, size_t l)
467 ZOOM_connection_option_setl(m_connection, name, value, l);
470 void yf::Zoom::Backend::set_option(const char *name, const char *value)
472 ZOOM_connection_option_set(m_connection, name, value);
474 ZOOM_resultset_option_set(m_resultset, name, value);
477 void yf::Zoom::Backend::set_option(const char *name, std::string value)
479 set_option(name, value.c_str());
482 const char *yf::Zoom::Backend::get_option(const char *name)
484 return ZOOM_connection_option_get(m_connection, name);
487 yf::Zoom::Searchable::Searchable(CCL_bibset base)
490 use_turbomarc = true;
491 sortStrategy = "embed";
492 ccl_bibset = ccl_qual_dup(base);
495 yf::Zoom::Searchable::~Searchable()
497 ccl_qual_rm(&ccl_bibset);
500 yf::Zoom::Frontend::Frontend(Impl *impl) :
501 m_p(impl), m_is_virtual(false), m_in_use(true)
505 yf::Zoom::Frontend::~Frontend()
509 yf::Zoom::FrontendPtr yf::Zoom::Impl::get_frontend(mp::Package &package)
511 boost::mutex::scoped_lock lock(m_mutex);
513 std::map<mp::Session,yf::Zoom::FrontendPtr>::iterator it;
517 it = m_clients.find(package.session());
518 if (it == m_clients.end())
521 if (!it->second->m_in_use)
523 it->second->m_in_use = true;
526 m_cond_session_ready.wait(lock);
528 FrontendPtr f(new Frontend(this));
529 m_clients[package.session()] = f;
534 void yf::Zoom::Impl::release_frontend(mp::Package &package)
536 boost::mutex::scoped_lock lock(m_mutex);
537 std::map<mp::Session,yf::Zoom::FrontendPtr>::iterator it;
539 it = m_clients.find(package.session());
540 if (it != m_clients.end())
542 if (package.session().is_closed())
548 it->second->m_in_use = false;
550 m_cond_session_ready.notify_all();
554 yf::Zoom::Impl::Impl() :
555 apdu_log(false), element_transform("pz2") , element_raw("raw") ,
556 element_passthru("F"),
557 zoom_timeout("40"), proxy_timeout(1)
559 bibset = ccl_qual_mk();
563 srand((unsigned int) time(0));
566 yf::Zoom::Impl::~Impl()
569 xsltFreeStylesheet(explain_xsp);
570 ccl_qual_rm(&bibset);
573 yf::Zoom::SearchablePtr yf::Zoom::Impl::parse_torus_record(const xmlNode *ptr)
575 Zoom::SearchablePtr s(new Searchable(bibset));
577 for (ptr = ptr->children; ptr; ptr = ptr->next)
579 if (ptr->type != XML_ELEMENT_NODE)
581 if (!strcmp((const char *) ptr->name, "layer"))
583 else if (!strcmp((const char *) ptr->name,
586 s->authentication = mp::xml::get_text(ptr);
588 else if (!strcmp((const char *) ptr->name,
589 "authenticationMode"))
591 s->authenticationMode = mp::xml::get_text(ptr);
593 else if (!strcmp((const char *) ptr->name,
596 s->cfAuth = mp::xml::get_text(ptr);
598 else if (!strcmp((const char *) ptr->name,
601 s->cfProxy = mp::xml::get_text(ptr);
603 else if (!strcmp((const char *) ptr->name,
606 s->cfSubDB = mp::xml::get_text(ptr);
608 else if (!strcmp((const char *) ptr->name,
611 s->contentConnector = mp::xml::get_text(ptr);
613 else if (!strcmp((const char *) ptr->name, "udb"))
615 s->udb = mp::xml::get_text(ptr);
617 else if (!strcmp((const char *) ptr->name, "zurl"))
619 s->target = mp::xml::get_text(ptr);
621 else if (!strcmp((const char *) ptr->name, "sru"))
623 s->sru = mp::xml::get_text(ptr);
625 else if (!strcmp((const char *) ptr->name, "SRUVersion") ||
626 !strcmp((const char *) ptr->name, "sruVersion"))
628 s->sru_version = mp::xml::get_text(ptr);
630 else if (!strcmp((const char *) ptr->name,
633 s->query_encoding = mp::xml::get_text(ptr);
635 else if (!strcmp((const char *) ptr->name,
638 s->piggyback = mp::xml::get_bool(ptr, true);
640 else if (!strcmp((const char *) ptr->name,
643 s->request_syntax = mp::xml::get_text(ptr);
645 else if (!strcmp((const char *) ptr->name,
648 s->element_set = mp::xml::get_text(ptr);
650 else if (!strcmp((const char *) ptr->name,
653 s->record_encoding = mp::xml::get_text(ptr);
655 else if (!strcmp((const char *) ptr->name,
658 s->transform_xsl_fname = mp::xml::get_text(ptr);
660 else if (!strcmp((const char *) ptr->name,
663 s->transform_xsl_content = mp::xml::get_text(ptr);
665 else if (!strcmp((const char *) ptr->name,
668 s->urlRecipe = mp::xml::get_text(ptr);
670 else if (!strcmp((const char *) ptr->name,
673 ; // useTurboMarc is ignored
675 else if (!strncmp((const char *) ptr->name,
678 std::string value = mp::xml::get_text(ptr);
679 if (value.length() > 0)
681 ccl_qual_fitem(s->ccl_bibset, value.c_str(),
682 (const char *) ptr->name + 7);
685 else if (!strncmp((const char *) ptr->name,
688 std::string value = mp::xml::get_text(ptr);
689 s->sortmap[(const char *) ptr->name + 8] = value;
691 else if (!strcmp((const char *) ptr->name,
694 s->sortStrategy = mp::xml::get_text(ptr);
696 else if (!strcmp((const char *) ptr->name,
699 s->extraArgs = mp::xml::get_text(ptr);
701 else if (!strcmp((const char *) ptr->name, "rpn2cql"))
702 s->rpn2cql_fname = mp::xml::get_text(ptr);
707 void yf::Zoom::Impl::configure_local_records(const xmlNode *ptr, bool test_only)
709 while (ptr && ptr->type != XML_ELEMENT_NODE)
714 if (!strcmp((const char *) ptr->name, "records"))
716 for (ptr = ptr->children; ptr; ptr = ptr->next)
718 if (ptr->type != XML_ELEMENT_NODE)
720 if (!strcmp((const char *) ptr->name, "record"))
722 SearchablePtr s = parse_torus_record(ptr);
725 std::string udb = s->udb;
730 throw mp::filter::FilterException
731 ("No udb for local torus record");
737 throw mp::filter::FilterException
739 + std::string((const char *) ptr->name)
740 + " in zoom filter inside element "
747 throw mp::filter::FilterException
749 + std::string((const char *) ptr->name)
750 + " in zoom filter inside element <torus>");
755 void yf::Zoom::Impl::configure(const xmlNode *ptr, bool test_only,
758 std::string explain_xslt_fname;
759 std::string record_xslt_fname;
765 for (ptr = ptr->children; ptr; ptr = ptr->next)
767 if (ptr->type != XML_ELEMENT_NODE)
769 else if (!strcmp((const char *) ptr->name, "torus"))
771 const struct _xmlAttr *attr;
772 for (attr = ptr->properties; attr; attr = attr->next)
774 if (!strcmp((const char *) attr->name, "url"))
775 torus_searchable_url = mp::xml::get_text(attr->children);
776 else if (!strcmp((const char *) attr->name, "content_url"))
777 torus_content_url = mp::xml::get_text(attr->children);
778 else if (!strcmp((const char *) attr->name, "auth_url"))
779 torus_auth_url = mp::xml::get_text(attr->children);
780 else if (!strcmp((const char *) attr->name, "realm"))
781 default_realm = mp::xml::get_text(attr->children);
782 else if (!strcmp((const char *) attr->name, "auth_hostname"))
783 torus_auth_hostname = mp::xml::get_text(attr->children);
784 else if (!strcmp((const char *) attr->name, "xsldir"))
785 xsldir = mp::xml::get_text(attr->children);
786 else if (!strcmp((const char *) attr->name, "element_transform"))
787 element_transform = mp::xml::get_text(attr->children);
788 else if (!strcmp((const char *) attr->name, "element_raw"))
789 element_raw = mp::xml::get_text(attr->children);
790 else if (!strcmp((const char *) attr->name, "element_passthru"))
791 element_passthru = mp::xml::get_text(attr->children);
792 else if (!strcmp((const char *) attr->name, "proxy"))
793 proxy = mp::xml::get_text(attr->children);
794 else if (!strcmp((const char *) attr->name, "explain_xsl"))
795 explain_xslt_fname = mp::xml::get_text(attr->children);
796 else if (!strcmp((const char *) attr->name, "record_xsl"))
797 record_xslt_fname = mp::xml::get_text(attr->children);
799 throw mp::filter::FilterException(
800 "Bad attribute " + std::string((const char *)
803 // If content_url is not given, use value of searchable, to
804 // ensure backwards compatibility
805 if (!torus_content_url.length())
806 torus_content_url = torus_searchable_url;
807 configure_local_records(ptr->children, test_only);
809 else if (!strcmp((const char *) ptr->name, "cclmap"))
811 const char *addinfo = 0;
812 ccl_xml_config(bibset, ptr, &addinfo);
814 else if (!strcmp((const char *) ptr->name, "fieldmap"))
816 const struct _xmlAttr *attr;
817 std::string ccl_field;
818 std::string cql_field;
819 for (attr = ptr->properties; attr; attr = attr->next)
821 if (!strcmp((const char *) attr->name, "ccl"))
822 ccl_field = mp::xml::get_text(attr->children);
823 else if (!strcmp((const char *) attr->name, "cql"))
824 cql_field = mp::xml::get_text(attr->children);
826 throw mp::filter::FilterException(
827 "Bad attribute " + std::string((const char *)
830 if (cql_field.length())
831 fieldmap[cql_field] = ccl_field;
833 else if (!strcmp((const char *) ptr->name, "contentProxy"))
835 const struct _xmlAttr *attr;
836 for (attr = ptr->properties; attr; attr = attr->next)
838 if (!strcmp((const char *) attr->name, "server"))
841 "contentProxy's server attribute is deprecated");
843 "Specify config_file instead. For example:");
845 " content_file=\"/etc/cf-proxy/cproxy.cfg\"");
846 content_proxy_server = mp::xml::get_text(attr->children);
848 else if (!strcmp((const char *) attr->name, "tmp_file"))
849 content_tmp_file = mp::xml::get_text(attr->children);
850 else if (!strcmp((const char *) attr->name, "config_file"))
851 content_config_file = mp::xml::get_text(attr->children);
853 throw mp::filter::FilterException(
854 "Bad attribute " + std::string((const char *)
858 else if (!strcmp((const char *) ptr->name, "log"))
860 const struct _xmlAttr *attr;
861 for (attr = ptr->properties; attr; attr = attr->next)
863 if (!strcmp((const char *) attr->name, "apdu"))
864 apdu_log = mp::xml::get_bool(attr->children, false);
866 throw mp::filter::FilterException(
867 "Bad attribute " + std::string((const char *)
871 else if (!strcmp((const char *) ptr->name, "zoom"))
873 const struct _xmlAttr *attr;
874 for (attr = ptr->properties; attr; attr = attr->next)
876 if (!strcmp((const char *) attr->name, "timeout"))
877 zoom_timeout = mp::xml::get_text(attr->children);
878 else if (!strcmp((const char *) attr->name, "proxy_timeout"))
879 proxy_timeout = mp::xml::get_int(attr->children, 1);
881 throw mp::filter::FilterException(
882 "Bad attribute " + std::string((const char *)
888 throw mp::filter::FilterException
890 + std::string((const char *) ptr->name)
891 + " in zoom filter");
895 if (explain_xslt_fname.length())
897 const char *path = 0;
900 path = xsldir.c_str();
902 path = file_path.c_str();
905 char *cp = yaz_filepath_resolve(explain_xslt_fname.c_str(),
909 throw mp::filter::FilterException
910 ("Cannot read XSLT " + explain_xslt_fname);
913 xmlDoc *xsp_doc = xmlParseFile(cp);
916 throw mp::filter::FilterException
917 ("Cannot parse XSLT " + explain_xslt_fname);
920 explain_xsp = xsltParseStylesheetDoc(xsp_doc);
924 throw mp::filter::FilterException
925 ("Cannot parse XSLT " + explain_xslt_fname);
930 if (record_xslt_fname.length())
932 const char *path = 0;
935 path = xsldir.c_str();
937 path = file_path.c_str();
940 char *cp = yaz_filepath_resolve(record_xslt_fname.c_str(),
944 throw mp::filter::FilterException
945 ("Cannot read XSLT " + record_xslt_fname);
948 xmlDoc *xsp_doc = xmlParseFile(cp);
951 throw mp::filter::FilterException
952 ("Cannot parse XSLT " + record_xslt_fname);
955 record_xsp = xsltParseStylesheetDoc(xsp_doc);
959 throw mp::filter::FilterException
960 ("Cannot parse XSLT " + record_xslt_fname);
966 bool yf::Zoom::Frontend::create_content_session(mp::Package &package,
968 int *error, char **addinfo,
970 std::string authentication,
974 if (b->sptr->contentConnector.length())
976 std::string proxyhostname;
977 std::string tmp_file;
978 bool legacy_format = false;
980 if (m_p->content_proxy_server.length())
982 proxyhostname = m_p->content_proxy_server;
983 legacy_format = true;
986 if (m_p->content_tmp_file.length())
987 tmp_file = m_p->content_tmp_file;
989 if (m_p->content_config_file.length())
991 FILE *inf = fopen(m_p->content_config_file.c_str(), "r");
995 while (fgets(buf, sizeof(buf)-1, inf))
998 cp = strchr(buf, '#');
1001 cp = strchr(buf, '\n');
1004 cp = strchr(buf, ':');
1008 while (cp1 != buf && cp1[-1] == ' ')
1014 if (!strcmp(buf, "proxyhostname"))
1016 if (!strcmp(buf, "sessiondir") && *cp)
1018 if (cp[strlen(cp)-1] == '/')
1019 cp[strlen(cp)-1] = '\0';
1020 tmp_file = std::string(cp) + std::string("/cf.XXXXXX.p");
1028 package.log("zoom", YLOG_WARN|YLOG_ERRNO,
1029 "unable to open content config %s",
1030 m_p->content_config_file.c_str());
1031 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1032 *addinfo = (char *) odr_malloc(odr, 70 + tmp_file.length());
1033 sprintf(*addinfo, "zoom: unable to open content config %s",
1034 m_p->content_config_file.c_str());
1039 if (proxyhostname.length() == 0)
1041 package.log("zoom", YLOG_WARN, "no proxyhostname");
1044 if (tmp_file.length() == 0)
1046 package.log("zoom", YLOG_WARN, "no tmp_file");
1050 char *fname = xstrdup(tmp_file.c_str());
1051 char *xx = strstr(fname, "XXXXXX");
1054 package.log("zoom", YLOG_WARN, "bad tmp_file %s", tmp_file.c_str());
1055 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1056 *addinfo = (char *) odr_malloc(odr, 60 + tmp_file.length());
1057 sprintf(*addinfo, "zoom: bad format of content tmp_file: %s",
1062 char tmp_char = xx[6];
1063 sprintf(xx, "%06d", ((unsigned) rand()) % 1000000);
1065 b->cproxy_host = std::string(xx) + "." + proxyhostname;
1067 b->cproxy_host = proxyhostname + "/" + xx;
1070 FILE *file = fopen(fname, "w");
1073 package.log("zoom", YLOG_WARN|YLOG_ERRNO, "create %s", fname);
1074 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1075 *addinfo = (char *) odr_malloc(odr, 50 + strlen(fname));
1076 sprintf(*addinfo, "zoom: could not create %s", fname);
1081 wrbuf_puts(w, "#content_proxy\n");
1082 wrbuf_printf(w, "connector: %s\n", b->sptr->contentConnector.c_str());
1083 if (authentication.length())
1084 wrbuf_printf(w, "auth: %s\n", authentication.c_str());
1086 wrbuf_printf(w, "proxy: %s\n", proxy.c_str());
1088 wrbuf_printf(w, "realm: %s\n", realm.c_str());
1090 fwrite(w.buf(), 1, w.len(), file);
1092 package.log("zoom", YLOG_LOG, "content file: %s", fname);
1098 yf::Zoom::BackendPtr yf::Zoom::Frontend::get_backend_from_databases(
1099 mp::Package &package,
1100 std::string &database, int *error, char **addinfo, mp::odr &odr,
1103 bool connection_reuse = false;
1106 std::list<BackendPtr>::const_iterator map_it;
1107 if (m_backend && !m_backend->enable_explain &&
1108 m_backend->m_frontend_database == database)
1110 connection_reuse = true;
1111 proxy = m_backend->m_proxy;
1114 std::string input_args;
1115 std::string torus_db;
1116 size_t db_arg_pos = database.find(',');
1117 if (db_arg_pos != std::string::npos)
1119 torus_db = database.substr(0, db_arg_pos);
1120 input_args = database.substr(db_arg_pos + 1);
1123 torus_db = database;
1125 std::string authentication;
1126 std::string content_authentication;
1127 std::string content_proxy;
1128 std::string realm = session_realm;
1129 if (realm.length() == 0)
1130 realm = m_p->default_realm;
1132 const char *param_user = 0;
1133 const char *param_password = 0;
1134 const char *param_content_user = 0;
1135 const char *param_content_password = 0;
1136 const char *param_nocproxy = 0;
1141 int no_out_args = 0;
1142 if (input_args.length())
1143 no_parms = yaz_uri_to_array(input_args.c_str(),
1144 odr, &names, &values);
1145 // adding 10 because we'll be adding other URL args
1146 const char **out_names = (const char **)
1147 odr_malloc(odr, (10 + no_parms) * sizeof(*out_names));
1148 const char **out_values = (const char **)
1149 odr_malloc(odr, (10 + no_parms) * sizeof(*out_values));
1151 // may be changed if it's a content connection
1152 std::string torus_url = m_p->torus_searchable_url;
1154 for (i = 0; i < no_parms; i++)
1156 const char *name = names[i];
1157 const char *value = values[i];
1160 if (!strcmp(name, "user"))
1162 else if (!strcmp(name, "password"))
1163 param_password = value;
1164 else if (!strcmp(name, "content-user"))
1165 param_content_user = value;
1166 else if (!strcmp(name, "content-password"))
1167 param_content_password = value;
1168 else if (!strcmp(name, "content-proxy"))
1169 content_proxy = value;
1170 else if (!strcmp(name, "nocproxy"))
1171 param_nocproxy = value;
1172 else if (!strcmp(name, "proxy"))
1176 nmem_strsplit(((ODR) odr)->mem, ",", value, &dstr, &dnum);
1177 if (connection_reuse)
1179 // find the step after our current proxy
1181 for (i = 0; i < dnum; i++)
1182 if (!strcmp(proxy.c_str(), dstr[i]))
1187 *proxy_step = i + 1;
1191 // step is known.. Guess our proxy from it
1192 if (*proxy_step >= dnum)
1196 proxy = dstr[*proxy_step];
1199 if (*proxy_step == dnum)
1204 else if (!strcmp(name, "cproxysession"))
1206 out_names[no_out_args] = name;
1207 out_values[no_out_args++] = value;
1208 torus_url = m_p->torus_content_url;
1210 else if (!strcmp(name, "realm") && session_realm.length() == 0)
1212 else if (!strcmp(name, "torus_url") && session_realm.length() == 0)
1214 else if (name[0] == 'x' && name[1] == '-')
1216 out_names[no_out_args] = name;
1217 out_values[no_out_args++] = value;
1221 BackendPtr notfound;
1222 char *msg = (char*) odr_malloc(odr, strlen(name) + 30);
1223 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1224 sprintf(msg, "zoom: bad database argument: %s", name);
1230 package.log("zoom", YLOG_LOG, "proxy: %s", proxy.c_str());
1232 if (connection_reuse)
1234 m_backend->connect("", error, addinfo, odr);
1240 authentication = std::string(param_user);
1242 authentication += "/" + std::string(param_password);
1244 if (param_content_user)
1246 content_authentication = std::string(param_content_user);
1247 if (param_content_password)
1248 content_authentication += "/" + std::string(param_content_password);
1251 if (torus_db.compare("IR-Explain---1") == 0)
1252 return explain_search(package, database, error, addinfo, odr, torus_url,
1257 std::map<std::string,SearchablePtr>::iterator it;
1258 it = m_p->s_map.find(torus_db);
1259 if (it != m_p->s_map.end())
1261 else if (torus_url.length() > 0)
1263 std::string torus_addinfo;
1264 std::string torus_query = "udb==" + torus_db;
1265 xmlDoc *doc = mp::get_searchable(package,torus_url, torus_db,
1271 *error = YAZ_BIB1_UNSPECIFIED_ERROR;
1272 if (torus_addinfo.length())
1273 *addinfo = odr_strdup(odr, torus_addinfo.c_str());
1277 const xmlNode *ptr = xmlDocGetRootElement(doc);
1278 if (ptr && ptr->type == XML_ELEMENT_NODE)
1280 if (!strcmp((const char *) ptr->name, "record"))
1282 sptr = m_p->parse_torus_record(ptr);
1284 else if (!strcmp((const char *) ptr->name, "records"))
1286 for (ptr = ptr->children; ptr; ptr = ptr->next)
1288 if (ptr->type == XML_ELEMENT_NODE
1289 && !strcmp((const char *) ptr->name, "record"))
1293 *error = YAZ_BIB1_UNSPECIFIED_ERROR;
1295 odr_malloc(odr, 40 + torus_db.length());
1296 sprintf(*addinfo, "multiple records for udb=%s",
1302 sptr = m_p->parse_torus_record(ptr);
1308 *error = YAZ_BIB1_UNSPECIFIED_ERROR;
1309 *addinfo = (char*) odr_malloc(
1310 odr, 40 + strlen((const char *) ptr->name));
1311 sprintf(*addinfo, "bad root element for torus: %s", ptr->name);
1322 *error = YAZ_BIB1_DATABASE_DOES_NOT_EXIST;
1323 *addinfo = odr_strdup(odr, torus_db.c_str());
1328 xsltStylesheetPtr xsp = 0;
1329 if (sptr->transform_xsl_content.length())
1331 xmlDoc *xsp_doc = xmlParseMemory(sptr->transform_xsl_content.c_str(),
1332 sptr->transform_xsl_content.length());
1335 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1336 *addinfo = odr_strdup(odr, "zoom: xmlParseMemory failed "
1337 "for literalTransform XSL");
1341 xsp = xsltParseStylesheetDoc(xsp_doc);
1344 *error = YAZ_BIB1_DATABASE_DOES_NOT_EXIST;
1346 odr_strdup(odr,"zoom: xsltParseStylesheetDoc failed "
1347 "for literalTransform XSL");
1349 xmlFreeDoc(xsp_doc);
1353 else if (sptr->transform_xsl_fname.length())
1355 const char *path = 0;
1357 if (m_p->xsldir.length())
1358 path = m_p->xsldir.c_str();
1360 path = m_p->file_path.c_str();
1363 char fullpath[1024];
1364 char *cp = yaz_filepath_resolve(sptr->transform_xsl_fname.c_str(),
1370 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1372 odr_malloc(odr, 40 + sptr->transform_xsl_fname.length());
1373 sprintf(*addinfo, "zoom: could not open file %s",
1374 sptr->transform_xsl_fname.c_str());
1378 xmlDoc *xsp_doc = xmlParseFile(fname.c_str());
1381 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1382 *addinfo = (char *) odr_malloc(odr, 50 + fname.length());
1383 sprintf(*addinfo, "zoom: xmlParseFile failed for file %s",
1388 xsp = xsltParseStylesheetDoc(xsp_doc);
1391 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1392 *addinfo = (char *) odr_malloc(odr, 50 + fname.length());
1393 sprintf(*addinfo, "zoom: xsltParseStylesheetDoc failed "
1394 "for file %s", fname.c_str());
1396 xmlFreeDoc(xsp_doc);
1401 cql_transform_t cqlt = 0;
1402 if (sptr->rpn2cql_fname.length())
1404 char fullpath[1024];
1405 char *cp = yaz_filepath_resolve(sptr->rpn2cql_fname.c_str(),
1406 m_p->file_path.c_str(), 0, fullpath);
1408 cqlt = cql_transform_open_fname(fullpath);
1411 cqlt = cql_transform_create();
1415 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1416 *addinfo = odr_strdup(odr, "zoom: missing/invalid cql2rpn file");
1418 xsltFreeStylesheet(xsp);
1424 BackendPtr b(new Backend);
1429 b->m_frontend_database = database;
1430 b->enable_cproxy = param_nocproxy ? false : true;
1432 if (sptr->query_encoding.length())
1433 b->set_option("rpnCharset", sptr->query_encoding);
1435 std::string extraArgs = sptr->extraArgs;
1437 b->set_option("timeout", m_p->zoom_timeout.c_str());
1440 b->set_option("apdulog", "1");
1442 if (sptr->piggyback && sptr->sru.length())
1443 b->set_option("count", "1"); /* some SRU servers INSIST on getting
1444 maximumRecords > 0 */
1445 b->set_option("piggyback", sptr->piggyback ? "1" : "0");
1447 if (authentication.length() == 0)
1448 authentication = sptr->authentication;
1450 if (proxy.length() == 0)
1451 proxy = sptr->cfProxy;
1454 if (sptr->cfAuth.length())
1457 b->set_option("user", sptr->cfAuth);
1458 if (authentication.length())
1460 size_t found = authentication.find('/');
1461 if (found != std::string::npos)
1463 out_names[no_out_args] = "user";
1464 out_values[no_out_args++] =
1465 odr_strdup(odr, authentication.substr(0, found).c_str());
1467 out_names[no_out_args] = "password";
1468 out_values[no_out_args++] =
1469 odr_strdup(odr, authentication.substr(found+1).c_str());
1473 out_names[no_out_args] = "user";
1474 out_values[no_out_args++] =
1475 odr_strdup(odr, authentication.c_str());
1480 out_names[no_out_args] = "proxy";
1481 out_values[no_out_args++] = odr_strdup(odr, proxy.c_str());
1483 if (sptr->cfSubDB.length())
1485 out_names[no_out_args] = "subdatabase";
1486 out_values[no_out_args++] = odr_strdup(odr, sptr->cfSubDB.c_str());
1488 if (!param_nocproxy && b->sptr->contentConnector.length())
1489 param_nocproxy = "1";
1493 out_names[no_out_args] = "nocproxy";
1494 out_values[no_out_args++] = odr_strdup(odr, param_nocproxy);
1499 const char *auth = authentication.c_str();
1500 const char *cp1 = strchr(auth, ' ');
1501 if (!cp1 && sptr->sru.length())
1502 cp1 = strchr(auth, '/');
1505 /* Z39.50 user/password style, or no password for SRU */
1506 b->set_option("user", auth);
1510 /* now consider group as well */
1511 const char *cp2 = strchr(cp1 + 1, ' ');
1513 b->set_option("user", auth, cp1 - auth);
1515 b->set_option("password", cp1 + 1);
1518 b->set_option("group", cp1 + 1, cp2 - cp1 - 1);
1519 b->set_option("password", cp2 + 1);
1522 if (sptr->authenticationMode.length())
1523 b->set_option("authenticationMode", sptr->authenticationMode);
1525 b->set_option("proxy", proxy);
1527 if (extraArgs.length())
1528 b->set_option("extraArgs", extraArgs);
1530 std::string url(sptr->target);
1531 if (sptr->sru.length())
1533 b->set_option("sru", sptr->sru);
1534 if (url.find("://") == std::string::npos)
1535 url = "http://" + url;
1536 if (sptr->sru_version.length())
1537 b->set_option("sru_version", sptr->sru_version);
1542 out_names[no_out_args] = 0; // terminate list
1544 yaz_array_to_uri(&x_args, odr, (char **) out_names,
1545 (char **) out_values);
1546 url += "," + std::string(x_args);
1548 package.log("zoom", YLOG_LOG, "url: %s", url.c_str());
1549 b->connect(url, error, addinfo, odr);
1550 if (*error == 0 && b->enable_cproxy)
1551 create_content_session(package, b, error, addinfo, odr,
1552 content_authentication.length() ?
1553 content_authentication : authentication,
1554 content_proxy.length() ? content_proxy : proxy,
1561 void yf::Zoom::Frontend::prepare_elements(BackendPtr b,
1562 Odr_oid *preferredRecordSyntax,
1563 const char *element_set_name,
1564 bool &enable_pz2_retrieval,
1565 bool &enable_pz2_transform,
1566 bool &enable_record_transform,
1567 bool &assume_marc8_charset)
1569 char oid_name_str[OID_STR_MAX];
1570 const char *syntax_name = 0;
1572 if (preferredRecordSyntax &&
1573 !oid_oidcmp(preferredRecordSyntax, yaz_oid_recsyn_xml))
1575 if (element_set_name &&
1576 !strcmp(element_set_name, m_p->element_transform.c_str()))
1578 enable_pz2_retrieval = true;
1579 enable_pz2_transform = true;
1581 else if (element_set_name &&
1582 !strcmp(element_set_name, m_p->element_raw.c_str()))
1584 enable_pz2_retrieval = true;
1586 else if (m_p->record_xsp)
1588 enable_pz2_retrieval = true;
1589 enable_pz2_transform = true;
1590 enable_record_transform = true;
1594 if (enable_pz2_retrieval)
1596 std::string configured_request_syntax = b->sptr->request_syntax;
1597 if (configured_request_syntax.length())
1599 syntax_name = configured_request_syntax.c_str();
1600 const Odr_oid *syntax_oid =
1601 yaz_string_to_oid(yaz_oid_std(), CLASS_RECSYN, syntax_name);
1602 if (!oid_oidcmp(syntax_oid, yaz_oid_recsyn_usmarc)
1603 || !oid_oidcmp(syntax_oid, yaz_oid_recsyn_opac))
1604 assume_marc8_charset = true;
1607 else if (preferredRecordSyntax)
1609 yaz_oid_to_string_buf(preferredRecordSyntax, 0, oid_name_str);
1611 if (b->sptr->sru.length())
1612 syntax_name = "XML";
1614 b->set_option("preferredRecordSyntax", syntax_name);
1616 if (enable_pz2_retrieval)
1618 if (element_set_name && !strcmp(element_set_name,
1619 m_p->element_passthru.c_str()))
1623 element_set_name = 0;
1624 if (b->sptr->element_set.length())
1625 element_set_name = b->sptr->element_set.c_str();
1629 b->set_option("elementSetName", element_set_name);
1630 if (b->sptr->sru.length() && element_set_name)
1631 b->set_option("schema", element_set_name);
1634 Z_Records *yf::Zoom::Frontend::get_explain_records(
1635 mp::Package &package,
1637 Odr_int number_to_present,
1640 Odr_int *number_of_records_returned,
1643 Odr_oid *preferredRecordSyntax,
1644 const char *element_set_name)
1647 Z_Records *records = 0;
1649 if (!b->explain_doc)
1653 if (number_to_present > 10000)
1654 number_to_present = 10000;
1656 xmlNode *ptr = xmlDocGetRootElement(b->explain_doc);
1658 Z_NamePlusRecordList *npl = (Z_NamePlusRecordList *)
1659 odr_malloc(odr, sizeof(*npl));
1660 npl->records = (Z_NamePlusRecord **)
1661 odr_malloc(odr, number_to_present * sizeof(*npl->records));
1663 for (i = 0; i < number_to_present; i++)
1666 xmlNode *res = xml_node_search(ptr, &num, start + i + 1);
1669 xmlBufferPtr xml_buf = xmlBufferCreate();
1670 xmlNode *tmp_node = xmlCopyNode(res->children, 1);
1671 xmlNodeDump(xml_buf, tmp_node->doc, tmp_node, 0, 0);
1673 Z_NamePlusRecord *npr =
1674 (Z_NamePlusRecord *) odr_malloc(odr, sizeof(*npr));
1675 npr->databaseName = odr_strdup(odr, b->m_frontend_database.c_str());
1676 npr->which = Z_NamePlusRecord_databaseRecord;
1677 npr->u.databaseRecord =
1678 z_ext_record_xml(odr,
1679 (const char *) xml_buf->content, xml_buf->use);
1680 npl->records[i] = npr;
1681 xmlFreeNode(tmp_node);
1682 xmlBufferFree(xml_buf);
1684 records = (Z_Records*) odr_malloc(odr, sizeof(*records));
1685 records->which = Z_Records_DBOSD;
1686 records->u.databaseOrSurDiagnostics = npl;
1688 npl->num_records = i;
1689 *number_of_records_returned = i;
1694 Z_Records *yf::Zoom::Frontend::get_records(mp::Package &package,
1696 Odr_int number_to_present,
1699 Odr_int *number_of_records_returned,
1702 Odr_oid *preferredRecordSyntax,
1703 const char *element_set_name)
1705 *number_of_records_returned = 0;
1706 Z_Records *records = 0;
1707 bool enable_pz2_retrieval = false; // whether target profile is used
1708 bool enable_pz2_transform = false; // whether XSLT is used as well
1709 bool assume_marc8_charset = false;
1710 bool enable_record_transform = false;
1712 prepare_elements(b, preferredRecordSyntax,
1714 enable_pz2_retrieval,
1715 enable_pz2_transform,
1716 enable_record_transform,
1717 assume_marc8_charset);
1719 package.log("zoom", YLOG_LOG, "pz2_retrieval: %s . pz2_transform: %s",
1720 enable_pz2_retrieval ? "yes" : "no",
1721 enable_pz2_transform ? "yes" : "no");
1723 if (start < 0 || number_to_present <=0)
1726 if (number_to_present > 10000)
1727 number_to_present = 10000;
1729 ZOOM_record *recs = (ZOOM_record *)
1730 odr_malloc(odr, (size_t) number_to_present * sizeof(*recs));
1732 b->present(start, number_to_present, recs, error, addinfo, odr);
1737 for (i = 0; i < number_to_present; i++)
1742 const char *addinfo;
1743 int sur_error = ZOOM_record_error(recs[i], 0 /* msg */,
1744 &addinfo, 0 /* diagset */);
1746 YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS && addinfo &&
1748 "ZOOM C generated. Present phase and no records"))
1753 { // only return records if no error and at least one record
1755 const char *xsl_parms[3];
1756 mp::wrbuf cproxy_host;
1758 if (b->enable_cproxy && b->cproxy_host.length())
1760 wrbuf_puts(cproxy_host, "\"");
1761 wrbuf_puts(cproxy_host, b->cproxy_host.c_str());
1762 wrbuf_puts(cproxy_host, "/\"");
1764 xsl_parms[0] = "cproxyhost";
1765 xsl_parms[1] = wrbuf_cstr(cproxy_host);
1773 char *odr_database = odr_strdup(odr,
1774 b->m_frontend_database.c_str());
1775 Z_NamePlusRecordList *npl = (Z_NamePlusRecordList *)
1776 odr_malloc(odr, sizeof(*npl));
1777 *number_of_records_returned = i;
1778 npl->num_records = i;
1779 npl->records = (Z_NamePlusRecord **)
1780 odr_malloc(odr, i * sizeof(*npl->records));
1781 for (i = 0; i < npl->num_records; i++)
1783 Z_NamePlusRecord *npr = 0;
1784 const char *addinfo;
1786 int sur_error = ZOOM_record_error(recs[i], 0 /* msg */,
1787 &addinfo, 0 /* diagset */);
1791 log_diagnostic(package, sur_error, addinfo);
1792 npr = zget_surrogateDiagRec(odr, odr_database, sur_error,
1795 else if (enable_pz2_retrieval)
1797 char rec_type_str[100];
1798 const char *record_encoding = 0;
1800 if (b->sptr->record_encoding.length())
1801 record_encoding = b->sptr->record_encoding.c_str();
1802 else if (assume_marc8_charset)
1803 record_encoding = "marc8";
1805 strcpy(rec_type_str, b->sptr->use_turbomarc ? "txml" : "xml");
1806 if (record_encoding)
1808 strcat(rec_type_str, "; charset=");
1809 strcat(rec_type_str, record_encoding);
1812 package.log("zoom", YLOG_LOG, "Getting record of type %s",
1815 xmlChar *xmlrec_buf = 0;
1816 const char *rec_buf = ZOOM_record_get(recs[i], rec_type_str,
1818 if (!rec_buf && !npr)
1820 std::string addinfo("ZOOM_record_get failed for type ");
1822 int error = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
1823 addinfo += rec_type_str;
1824 log_diagnostic(package, error, addinfo.c_str());
1825 npr = zget_surrogateDiagRec(odr, odr_database,
1826 error, addinfo.c_str());
1830 package.log_write(rec_buf, rec_len);
1831 package.log_write("\r\n", 2);
1834 if (rec_buf && b->xsp && enable_pz2_transform)
1836 xmlDoc *rec_doc = xmlParseMemory(rec_buf, rec_len);
1839 const char *addinfo = "xml parse failed for record";
1840 int error = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
1841 log_diagnostic(package, error, addinfo);
1842 npr = zget_surrogateDiagRec(
1843 odr, odr_database, error, addinfo);
1847 // first stage XSLT - per target
1848 xsltStylesheetPtr xsp = b->xsp;
1849 xmlDoc *rec_res = xsltApplyStylesheet(xsp, rec_doc,
1851 // insert generated-url
1855 mp::xml::url_recipe_handle(rec_res,
1856 b->sptr->urlRecipe);
1859 xmlNode *ptr = xmlDocGetRootElement(rec_res);
1860 while (ptr && ptr->type != XML_ELEMENT_NODE)
1863 xmlNewChild(ptr, 0, BAD_CAST "metadata", 0);
1864 xmlNewProp(c, BAD_CAST "type", BAD_CAST
1866 xmlNode * t = xmlNewText(BAD_CAST res.c_str());
1870 // second stage XSLT - common
1871 if (rec_res && m_p->record_xsp &&
1872 enable_record_transform)
1874 xmlDoc *tmp_doc = rec_res;
1876 xsp = m_p->record_xsp;
1877 rec_res = xsltApplyStylesheet(xsp, tmp_doc,
1879 xmlFreeDoc(tmp_doc);
1881 // get result out of it
1884 xsltSaveResultToString(&xmlrec_buf, &rec_len,
1886 rec_buf = (const char *) xmlrec_buf;
1887 package.log_write(rec_buf, rec_len);
1889 xmlFreeDoc(rec_res);
1893 std::string addinfo;
1895 YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
1897 addinfo = "xslt apply failed for "
1898 + b->sptr->transform_xsl_fname;
1899 log_diagnostic(package, error, addinfo.c_str());
1900 npr = zget_surrogateDiagRec(
1901 odr, odr_database, error, addinfo.c_str());
1903 xmlFreeDoc(rec_doc);
1910 npr = zget_surrogateDiagRec(
1912 YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS,
1916 npr = (Z_NamePlusRecord *)
1917 odr_malloc(odr, sizeof(*npr));
1918 npr->databaseName = odr_database;
1919 npr->which = Z_NamePlusRecord_databaseRecord;
1920 npr->u.databaseRecord =
1921 z_ext_record_xml(odr, rec_buf, rec_len);
1925 xmlFree(xmlrec_buf);
1930 (Z_External *) ZOOM_record_get(recs[i], "ext", 0);
1933 npr = (Z_NamePlusRecord *) odr_malloc(odr, sizeof(*npr));
1934 npr->databaseName = odr_database;
1935 npr->which = Z_NamePlusRecord_databaseRecord;
1936 npr->u.databaseRecord = ext;
1940 npr = zget_surrogateDiagRec(
1942 YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS,
1943 "ZOOM_record, type ext");
1946 npl->records[i] = npr;
1948 records = (Z_Records*) odr_malloc(odr, sizeof(*records));
1949 records->which = Z_Records_DBOSD;
1950 records->u.databaseOrSurDiagnostics = npl;
1955 struct cql_node *yf::Zoom::Impl::convert_cql_fields(struct cql_node *cn,
1958 struct cql_node *r = 0;
1966 std::map<std::string,std::string>::const_iterator it;
1967 it = fieldmap.find(cn->u.st.index);
1968 if (it == fieldmap.end())
1970 if (it->second.length())
1971 cn->u.st.index = odr_strdup(odr, it->second.c_str());
1977 r = convert_cql_fields(cn->u.boolean.left, odr);
1979 r = convert_cql_fields(cn->u.boolean.right, odr);
1982 r = convert_cql_fields(cn->u.sort.search, odr);
1988 void yf::Zoom::Frontend::log_diagnostic(mp::Package &package,
1989 int error, const char *addinfo)
1991 const char *err_msg = yaz_diag_bib1_str(error);
1993 package.log("zoom", YLOG_WARN, "Diagnostic %d %s: %s",
1994 error, err_msg, addinfo);
1996 package.log("zoom", YLOG_WARN, "Diagnostic %d %s:",
2000 yf::Zoom::BackendPtr yf::Zoom::Frontend::explain_search(mp::Package &package,
2001 std::string &database,
2005 std::string torus_url,
2006 std::string &torus_db,
2011 BackendPtr b(new Backend);
2013 b->m_frontend_database = database;
2014 b->enable_explain = true;
2016 Z_GDU *gdu = package.request().get();
2017 Z_APDU *apdu_req = gdu->u.z3950;
2018 Z_SearchRequest *sr = apdu_req->u.searchRequest;
2019 Z_Query *query = sr->query;
2021 if (!m_p->explain_xsp)
2023 *error = YAZ_BIB1_UNSPECIFIED_ERROR;
2025 odr_strdup(odr, "IR-Explain---1 unsupported. "
2026 "Torus explain_xsl not defined");
2029 else if (query->which == Z_Query_type_104 &&
2030 query->u.type_104->which == Z_External_CQL)
2032 std::string torus_addinfo;
2033 std::string torus_query(query->u.type_104->u.cql);
2034 xmlDoc *doc = mp::get_searchable(package, torus_url, "",
2038 if (m_p->explain_xsp)
2040 xmlDoc *rec_res = xsltApplyStylesheet(m_p->explain_xsp, doc, 0);
2047 *error = YAZ_BIB1_UNSPECIFIED_ERROR;
2048 if (torus_addinfo.length())
2049 *addinfo = odr_strdup(odr, torus_addinfo.c_str());
2053 xmlNode *ptr = xmlDocGetRootElement(doc);
2056 xml_node_search(ptr, &hits, 0);
2058 Z_APDU *apdu_res = odr.create_searchResponse(apdu_req, 0, 0);
2059 apdu_res->u.searchResponse->resultCount = odr_intdup(odr, hits);
2060 package.response() = apdu_res;
2064 xmlFreeDoc(b->explain_doc);
2065 b->explain_doc = doc;
2070 *error = YAZ_BIB1_QUERY_TYPE_UNSUPP;
2071 *addinfo = odr_strdup(odr, "IR-Explain---1 only supports CQL");
2076 static bool wait_conn(COMSTACK cs, int secs)
2078 struct yaz_poll_fd pfd;
2080 yaz_poll_add(pfd.input_mask, yaz_poll_except);
2081 if (cs->io_pending && CS_WANT_WRITE)
2082 yaz_poll_add(pfd.input_mask, yaz_poll_write);
2083 if (cs->io_pending & CS_WANT_READ)
2084 yaz_poll_add(pfd.input_mask, yaz_poll_read);
2086 pfd.fd = cs_fileno(cs);
2087 pfd.client_data = 0;
2089 int ret = yaz_poll(&pfd, 1, secs, 0);
2093 bool yf::Zoom::Impl::check_proxy(const char *proxy)
2096 const char *uri = "http://localhost/";
2099 bool outcome = false;
2100 conn = cs_create_host_proxy(uri, 0, &add, proxy);
2105 Z_GDU *gdu = z_get_HTTP_Request_uri(odr, uri, 0, 1);
2106 gdu->u.HTTP_Request->method = odr_strdup(odr, "GET");
2108 if (z_GDU(odr, &gdu, 0, 0))
2111 char *buf = odr_getbuf(odr, &len, 0);
2113 int ret = cs_connect(conn, add);
2114 if (ret > 0 || (ret == 0 && wait_conn(conn, 1)))
2118 ret = cs_put(conn, buf, len);
2121 if (!wait_conn(conn, proxy_timeout))
2132 bool yf::Zoom::Frontend::retry(mp::Package &package,
2135 int &error, char **addinfo,
2136 int &proxy_step, int &same_retries,
2139 if (b && b->m_proxy.length() && !m_p->check_proxy(b->m_proxy.c_str()))
2141 log_diagnostic(package, error, *addinfo);
2142 package.log("zoom", YLOG_LOG, "proxy %s fails", b->m_proxy.c_str());
2144 if (proxy_step) // there is a failover
2147 package.log("zoom", YLOG_WARN, "search failed: trying next proxy");
2150 error = YAZ_BIB1_PROXY_FAILURE;
2151 *addinfo = odr_strdup(odr, b->m_proxy.c_str());
2153 else if (same_retries == 0 && proxy_retries == 0)
2155 log_diagnostic(package, error, *addinfo);
2157 package.log("zoom", YLOG_WARN, "search failed: retry");
2165 void yf::Zoom::Frontend::handle_search(mp::Package &package)
2167 Z_GDU *gdu = package.request().get();
2168 Z_APDU *apdu_req = gdu->u.z3950;
2169 Z_APDU *apdu_res = 0;
2171 Z_SearchRequest *sr = apdu_req->u.searchRequest;
2172 if (sr->num_databaseNames != 1)
2174 int error = YAZ_BIB1_TOO_MANY_DATABASES_SPECIFIED;
2175 log_diagnostic(package, error, 0);
2176 apdu_res = odr.create_searchResponse(apdu_req, error, 0);
2177 package.response() = apdu_res;
2181 int same_retries = 0;
2182 int proxy_retries = 0;
2188 std::string db(sr->databaseNames[0]);
2190 BackendPtr b = get_backend_from_databases(package, db, &error,
2191 &addinfo, odr, &proxy_step);
2194 if (retry(package, odr, b, error, &addinfo, proxy_step,
2195 same_retries, proxy_retries))
2200 log_diagnostic(package, error, addinfo);
2201 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
2202 package.response() = apdu_res;
2205 if (!b || b->enable_explain)
2208 b->set_option("setname", "default");
2210 bool enable_pz2_retrieval = false;
2211 bool enable_pz2_transform = false;
2212 bool enable_record_transform = false;
2213 bool assume_marc8_charset = false;
2214 prepare_elements(b, sr->preferredRecordSyntax, 0 /*element_set_name */,
2215 enable_pz2_retrieval,
2216 enable_pz2_transform,
2217 enable_record_transform,
2218 assume_marc8_charset);
2221 Z_Query *query = sr->query;
2222 mp::wrbuf ccl_wrbuf;
2223 mp::wrbuf pqf_wrbuf;
2224 std::string sortkeys;
2226 if (query->which == Z_Query_type_1 || query->which == Z_Query_type_101)
2229 yaz_rpnquery_to_wrbuf(pqf_wrbuf, query->u.type_1);
2231 else if (query->which == Z_Query_type_2)
2234 wrbuf_write(ccl_wrbuf, (const char *) query->u.type_2->buf,
2235 query->u.type_2->len);
2237 else if (query->which == Z_Query_type_104 &&
2238 query->u.type_104->which == Z_External_CQL)
2241 const char *cql = query->u.type_104->u.cql;
2242 CQL_parser cp = cql_parser_create();
2243 int r = cql_parser_string(cp, cql);
2244 package.log("zoom", YLOG_LOG, "CQL: %s", cql);
2247 cql_parser_destroy(cp);
2248 error = YAZ_BIB1_MALFORMED_QUERY;
2249 const char *addinfo = "CQL syntax error";
2250 log_diagnostic(package, error, addinfo);
2252 odr.create_searchResponse(apdu_req, error, addinfo);
2253 package.response() = apdu_res;
2256 struct cql_node *cn = cql_parser_result(cp);
2257 struct cql_node *cn_error = m_p->convert_cql_fields(cn, odr);
2260 // hopefully we are getting a ptr to a index+relation+term node
2261 error = YAZ_BIB1_UNSUPP_USE_ATTRIBUTE;
2263 if (cn_error->which == CQL_NODE_ST)
2264 addinfo = cn_error->u.st.index;
2266 log_diagnostic(package, error, addinfo);
2267 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
2268 package.response() = apdu_res;
2269 cql_parser_destroy(cp);
2272 r = cql_to_ccl(cn, wrbuf_vp_puts, ccl_wrbuf);
2275 error = YAZ_BIB1_MALFORMED_QUERY;
2276 const char *addinfo = "CQL to CCL conversion error";
2278 log_diagnostic(package, error, addinfo);
2279 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
2280 package.response() = apdu_res;
2281 cql_parser_destroy(cp);
2285 mp::wrbuf sru_sortkeys_wrbuf;
2286 if (cql_sortby_to_sortkeys(cn, wrbuf_vp_puts, sru_sortkeys_wrbuf))
2288 error = YAZ_BIB1_ILLEGAL_SORT_RELATION;
2289 const char *addinfo = "CQL to CCL sortby conversion";
2291 log_diagnostic(package, error, addinfo);
2292 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
2293 package.response() = apdu_res;
2294 cql_parser_destroy(cp);
2297 mp::wrbuf sort_spec_wrbuf;
2298 yaz_srw_sortkeys_to_sort_spec(wrbuf_cstr(sru_sortkeys_wrbuf),
2300 yaz_tok_cfg_t tc = yaz_tok_cfg_create();
2301 yaz_tok_parse_t tp =
2302 yaz_tok_parse_buf(tc, wrbuf_cstr(sort_spec_wrbuf));
2303 yaz_tok_cfg_destroy(tc);
2305 /* go through sortspec and map fields */
2306 int token = yaz_tok_move(tp);
2307 while (token != YAZ_TOK_EOF)
2309 if (token == YAZ_TOK_STRING)
2311 const char *field = yaz_tok_parse_string(tp);
2312 std::map<std::string,std::string>::iterator it;
2313 it = b->sptr->sortmap.find(field);
2314 if (it != b->sptr->sortmap.end())
2315 sortkeys += it->second;
2320 token = yaz_tok_move(tp);
2321 if (token == YAZ_TOK_STRING)
2323 sortkeys += yaz_tok_parse_string(tp);
2325 if (token != YAZ_TOK_EOF)
2328 token = yaz_tok_move(tp);
2331 yaz_tok_parse_destroy(tp);
2332 cql_parser_destroy(cp);
2336 error = YAZ_BIB1_QUERY_TYPE_UNSUPP;
2337 const char *addinfo = 0;
2338 log_diagnostic(package, error, addinfo);
2339 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
2340 package.response() = apdu_res;
2344 if (ccl_wrbuf.len())
2347 assert(pqf_wrbuf.len() == 0);
2349 struct ccl_rpn_node *cn;
2350 package.log("zoom", YLOG_LOG, "CCL: %s", wrbuf_cstr(ccl_wrbuf));
2351 cn = ccl_find_str(b->sptr->ccl_bibset, wrbuf_cstr(ccl_wrbuf),
2355 char *addinfo = odr_strdup_null(odr, ccl_err_msg(cerror));
2356 error = YAZ_BIB1_MALFORMED_QUERY;
2360 case CCL_ERR_UNKNOWN_QUAL:
2361 case CCL_ERR_TRUNC_NOT_LEFT:
2362 case CCL_ERR_TRUNC_NOT_RIGHT:
2363 case CCL_ERR_TRUNC_NOT_BOTH:
2364 #ifdef CCL_ERR_TRUNC_NOT_EMBED
2365 case CCL_ERR_TRUNC_NOT_EMBED:
2367 #ifdef CCL_ERR_TRUNC_NOT_SINGLE
2368 case CCL_ERR_TRUNC_NOT_SINGLE:
2370 error = YAZ_BIB1_UNSUPP_SEARCH;
2373 log_diagnostic(package, error, addinfo);
2374 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
2375 package.response() = apdu_res;
2378 ccl_pquery(pqf_wrbuf, cn);
2379 package.log("zoom", YLOG_LOG, "RPN: %s", wrbuf_cstr(pqf_wrbuf));
2383 assert(pqf_wrbuf.len());
2385 ZOOM_query q = ZOOM_query_create();
2386 ZOOM_query_sortby2(q, b->sptr->sortStrategy.c_str(), sortkeys.c_str());
2388 Z_FacetList *fl = 0;
2390 // Facets for request.. And later for reponse
2392 fl = yaz_oi_get_facetlist(&sr->otherInfo);
2394 fl = yaz_oi_get_facetlist(&sr->additionalSearchInfo);
2396 if (b->get_option("sru"))
2399 zquery = p_query_rpn(odr, wrbuf_cstr(pqf_wrbuf));
2401 mp::wrbuf wrb_addinfo;
2403 if (!strcmp(b->get_option("sru"), "solr"))
2404 error = solr_transform_rpn2solr_stream_r(b->cqlt, wrb_addinfo,
2405 wrbuf_vp_puts, wrb_cql,
2408 error = cql_transform_rpn2cql_stream_r(b->cqlt, wrb_addinfo,
2409 wrbuf_vp_puts, wrb_cql,
2413 log_diagnostic(package, error, wrb_addinfo.c_str_null());
2414 apdu_res = odr.create_searchResponse(apdu_req, error,
2415 wrb_addinfo.c_str_null());
2416 package.response() = apdu_res;
2419 ZOOM_query_cql(q, wrb_cql.c_str());
2420 package.log("zoom", YLOG_LOG, "search CQL: %s", wrb_cql.c_str());
2421 b->search(q, &hits, &error, &addinfo, &fl, odr);
2422 ZOOM_query_destroy(q);
2426 ZOOM_query_prefix(q, pqf_wrbuf.c_str());
2427 package.log("zoom", YLOG_LOG, "search PQF: %s", pqf_wrbuf.c_str());
2428 b->search(q, &hits, &error, &addinfo, &fl, odr);
2429 ZOOM_query_destroy(q);
2434 if (retry(package, odr, b, error, &addinfo, proxy_step,
2435 same_retries, proxy_retries))
2439 const char *element_set_name = 0;
2440 Odr_int number_to_present = 0;
2442 mp::util::piggyback_sr(sr, hits, number_to_present, &element_set_name);
2444 Odr_int number_of_records_returned = 0;
2445 Z_Records *records = get_records(
2447 0, number_to_present, &error, &addinfo,
2448 &number_of_records_returned, odr, b, sr->preferredRecordSyntax,
2451 log_diagnostic(package, error, addinfo);
2452 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
2455 apdu_res->u.searchResponse->records = records;
2456 apdu_res->u.searchResponse->numberOfRecordsReturned =
2457 odr_intdup(odr, number_of_records_returned);
2459 apdu_res->u.searchResponse->resultCount = odr_intdup(odr, hits);
2461 yaz_oi_set_facetlist(&apdu_res->u.searchResponse->additionalSearchInfo,
2463 package.response() = apdu_res;
2466 void yf::Zoom::Frontend::handle_present(mp::Package &package)
2468 Z_GDU *gdu = package.request().get();
2469 Z_APDU *apdu_req = gdu->u.z3950;
2470 Z_APDU *apdu_res = 0;
2471 Z_PresentRequest *pr = apdu_req->u.presentRequest;
2476 package.response() = odr.create_presentResponse(
2477 apdu_req, YAZ_BIB1_SPECIFIED_RESULT_SET_DOES_NOT_EXIST, 0);
2480 const char *element_set_name = 0;
2481 Z_RecordComposition *comp = pr->recordComposition;
2482 if (comp && comp->which != Z_RecordComp_simple)
2484 package.response() = odr.create_presentResponse(
2486 YAZ_BIB1_PRESENT_COMP_SPEC_PARAMETER_UNSUPP, 0);
2489 if (comp && comp->u.simple->which == Z_ElementSetNames_generic)
2490 element_set_name = comp->u.simple->u.generic;
2491 Odr_int number_of_records_returned = 0;
2495 if (m_backend->enable_explain)
2497 Z_Records *records =
2498 get_explain_records(
2500 *pr->resultSetStartPoint - 1, *pr->numberOfRecordsRequested,
2501 &error, &addinfo, &number_of_records_returned, odr, m_backend,
2502 pr->preferredRecordSyntax, element_set_name);
2504 apdu_res = odr.create_presentResponse(apdu_req, error, addinfo);
2507 apdu_res->u.presentResponse->records = records;
2508 apdu_res->u.presentResponse->numberOfRecordsReturned =
2509 odr_intdup(odr, number_of_records_returned);
2511 package.response() = apdu_res;
2515 Z_Records *records =
2516 get_records(package,
2517 *pr->resultSetStartPoint - 1, *pr->numberOfRecordsRequested,
2518 &error, &addinfo, &number_of_records_returned, odr, m_backend,
2519 pr->preferredRecordSyntax, element_set_name);
2521 apdu_res = odr.create_presentResponse(apdu_req, error, addinfo);
2524 apdu_res->u.presentResponse->records = records;
2525 apdu_res->u.presentResponse->numberOfRecordsReturned =
2526 odr_intdup(odr, number_of_records_returned);
2528 package.response() = apdu_res;
2532 void yf::Zoom::Frontend::handle_package(mp::Package &package)
2534 Z_GDU *gdu = package.request().get();
2537 else if (gdu->which == Z_GDU_Z3950)
2539 Z_APDU *apdu_req = gdu->u.z3950;
2542 wrbuf_rewind(m_backend->m_apdu_wrbuf);
2543 if (apdu_req->which == Z_APDU_initRequest)
2546 package.response() = odr.create_close(
2548 Z_Close_protocolError,
2551 else if (apdu_req->which == Z_APDU_searchRequest)
2553 handle_search(package);
2555 else if (apdu_req->which == Z_APDU_presentRequest)
2557 handle_present(package);
2562 package.response() = odr.create_close(
2564 Z_Close_protocolError,
2565 "zoom filter cannot handle this APDU");
2566 package.session().close();
2570 WRBUF w = m_backend->m_apdu_wrbuf;
2571 package.log_write(wrbuf_buf(w), wrbuf_len(w));
2576 package.session().close();
2580 std::string escape_cql_term(std::string inp)
2583 size_t l = inp.length();
2585 for (i = 0; i < l; i++)
2587 if (strchr("*?^\"", inp[i]))
2594 void yf::Zoom::Frontend::auth(mp::Package &package, Z_InitRequest *req,
2595 int *error, char **addinfo, ODR odr)
2597 if (m_p->torus_auth_url.length() == 0)
2601 std::string password;
2602 if (req->idAuthentication)
2604 Z_IdAuthentication *auth = req->idAuthentication;
2605 switch (auth->which)
2607 case Z_IdAuthentication_open:
2610 const char *cp = strchr(auth->u.open, '/');
2613 user.assign(auth->u.open, cp - auth->u.open);
2614 password.assign(cp + 1);
2618 case Z_IdAuthentication_idPass:
2619 if (auth->u.idPass->userId)
2620 user.assign(auth->u.idPass->userId);
2621 if (auth->u.idPass->password)
2622 password.assign(auth->u.idPass->password);
2627 Z_OtherInformation **oi = &req->otherInfo;
2629 yaz_oi_get_string_oid(oi, yaz_oid_userinfo_client_ip, 1, 0);
2631 ip = package.origin().get_address().c_str();
2633 yaz_log(YLOG_LOG, "IP=%s", ip);
2635 std::string torus_query;
2638 if (user.length() && password.length())
2640 torus_query = "userName==\"" + escape_cql_term(user) +
2641 "\" and password==\"" + escape_cql_term(password) + "\"";
2642 failure_code = YAZ_BIB1_INIT_AC_BAD_USERID_AND_OR_PASSWORD;
2646 torus_query = "ipRanges encloses/net.ipaddress \"";
2647 torus_query += escape_cql_term(std::string(ip));
2648 torus_query += "\"";
2650 if (m_p->torus_auth_hostname.length())
2652 torus_query += " AND hostName == \"";
2653 torus_query += escape_cql_term(m_p->torus_auth_hostname);
2654 torus_query += "\"";
2656 failure_code = YAZ_BIB1_INIT_AC_BLOCKED_NETWORK_ADDRESS;
2659 std::string dummy_db;
2660 std::string dummy_realm;
2661 std::string torus_addinfo;
2662 xmlDoc *doc = mp::get_searchable(package, m_p->torus_auth_url, dummy_db,
2663 torus_query, dummy_realm, m_p->proxy,
2667 // something fundamental broken in lookup.
2668 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
2669 if (torus_addinfo.length())
2670 *addinfo = odr_strdup(odr, torus_addinfo.c_str());
2673 const xmlNode *ptr = xmlDocGetRootElement(doc);
2674 if (ptr && ptr->type == XML_ELEMENT_NODE)
2676 if (strcmp((const char *) ptr->name, "records") == 0)
2678 ptr = ptr->children;
2679 while (ptr && ptr->type != XML_ELEMENT_NODE)
2682 if (ptr && strcmp((const char *) ptr->name, "record") == 0)
2684 ptr = ptr->children;
2685 while (ptr && ptr->type != XML_ELEMENT_NODE)
2688 if (ptr && strcmp((const char *) ptr->name, "layer") == 0)
2690 ptr = ptr->children;
2691 while (ptr && ptr->type != XML_ELEMENT_NODE)
2696 if (ptr && ptr->type == XML_ELEMENT_NODE &&
2697 !strcmp((const char *) ptr->name, "identityId"))
2704 *error = failure_code;
2707 session_realm = mp::xml::get_text(ptr);
2710 void yf::Zoom::Impl::process(mp::Package &package)
2712 FrontendPtr f = get_frontend(package);
2713 Z_GDU *gdu = package.request().get();
2715 if (f->m_is_virtual)
2717 f->handle_package(package);
2719 else if (gdu && gdu->which == Z_GDU_Z3950 && gdu->u.z3950->which ==
2722 Z_InitRequest *req = gdu->u.z3950->u.initRequest;
2723 f->m_init_gdu = gdu;
2726 Z_APDU *apdu = odr.create_initResponse(gdu->u.z3950, 0, 0);
2727 Z_InitResponse *resp = apdu->u.initResponse;
2730 static const int masks[] = {
2735 for (i = 0; masks[i] != -1; i++)
2736 if (ODR_MASK_GET(req->options, masks[i]))
2737 ODR_MASK_SET(resp->options, masks[i]);
2739 static const int versions[] = {
2740 Z_ProtocolVersion_1,
2741 Z_ProtocolVersion_2,
2742 Z_ProtocolVersion_3,
2745 for (i = 0; versions[i] != -1; i++)
2746 if (ODR_MASK_GET(req->protocolVersion, versions[i]))
2747 ODR_MASK_SET(resp->protocolVersion, versions[i]);
2751 *resp->preferredMessageSize = *req->preferredMessageSize;
2752 *resp->maximumRecordSize = *req->maximumRecordSize;
2756 f->auth(package, req, &error, &addinfo, odr);
2759 resp->userInformationField =
2760 zget_init_diagnostics(odr, error, addinfo);
2762 package.session().close();
2765 f->m_is_virtual = true;
2766 package.response() = apdu;
2771 release_frontend(package);
2775 static mp::filter::Base* filter_creator()
2777 return new mp::filter::Zoom;
2781 struct metaproxy_1_filter_struct metaproxy_1_filter_zoom = {
2792 * c-file-style: "Stroustrup"
2793 * indent-tabs-mode: nil
2795 * vim: shiftwidth=4 tabstop=8 expandtab