1 /* This file is part of Metaproxy.
2 Copyright (C) 2005-2011 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
20 #include "filter_zoom.hpp"
23 #include <metaproxy/package.hpp>
24 #include <metaproxy/util.hpp>
27 #include <libxslt/xsltutils.h>
28 #include <libxslt/transform.h>
30 #include <boost/thread/mutex.hpp>
31 #include <boost/thread/condition.hpp>
34 #include <yaz/oid_db.h>
35 #include <yaz/diagbib1.h>
38 #include <yaz/querytowrbuf.h>
40 namespace mp = metaproxy_1;
41 namespace yf = mp::filter;
43 namespace metaproxy_1 {
45 struct Zoom::Searchable : boost::noncopyable {
46 std::string authentication;
52 std::string query_encoding;
54 std::string request_syntax;
55 std::string element_set;
56 std::string record_encoding;
57 std::string transform_xsl_fname;
60 CCL_bibset ccl_bibset;
64 class Zoom::Backend : boost::noncopyable {
66 friend class Frontend;
68 ZOOM_connection m_connection;
69 ZOOM_resultset m_resultset;
70 std::string m_frontend_database;
72 xsltStylesheetPtr xsp;
74 Backend(SearchablePtr sptr);
76 void connect(std::string zurl, int *error, const char **addinfo);
77 void search_pqf(const char *pqf, Odr_int *hits,
78 int *error, const char **addinfo);
79 void present(Odr_int start, Odr_int number, ZOOM_record *recs,
80 int *error, const char **addinfo);
81 void set_option(const char *name, const char *value);
82 int get_error(const char **addinfo);
84 class Zoom::Frontend : boost::noncopyable {
89 yazpp_1::GDU m_init_gdu;
91 void handle_package(mp::Package &package);
92 void handle_search(mp::Package &package);
93 void handle_present(mp::Package &package);
94 BackendPtr get_backend_from_databases(std::string &database,
96 const char **addinfo);
97 Z_Records *get_records(Odr_int start,
98 Odr_int number_to_present,
100 const char **addinfo,
101 Odr_int *number_of_records_returned,
102 ODR odr, BackendPtr b,
103 Odr_oid *preferredRecordSyntax,
104 const char *element_set_name);
106 Frontend(Impl *impl);
110 friend class Frontend;
114 void process(metaproxy_1::Package & package);
115 void configure(const xmlNode * ptr, bool test_only);
117 FrontendPtr get_frontend(mp::Package &package);
118 void release_frontend(mp::Package &package);
119 void parse_torus(const xmlNode *ptr);
121 std::list<Zoom::SearchablePtr>m_searchables;
123 std::map<mp::Session, FrontendPtr> m_clients;
124 boost::mutex m_mutex;
125 boost::condition m_cond_session_ready;
131 // define Pimpl wrapper forwarding to Impl
133 yf::Zoom::Zoom() : m_p(new Impl)
138 { // must have a destructor because of boost::scoped_ptr
141 void yf::Zoom::configure(const xmlNode *xmlnode, bool test_only)
143 m_p->configure(xmlnode, test_only);
146 void yf::Zoom::process(mp::Package &package) const
148 m_p->process(package);
152 // define Implementation stuff
154 yf::Zoom::Backend::Backend(SearchablePtr ptr) : sptr(ptr)
156 m_connection = ZOOM_connection_create(0);
161 yf::Zoom::Backend::~Backend()
164 xsltFreeStylesheet(xsp);
165 ZOOM_connection_destroy(m_connection);
166 ZOOM_resultset_destroy(m_resultset);
169 void yf::Zoom::Backend::connect(std::string zurl,
170 int *error, const char **addinfo)
172 ZOOM_connection_connect(m_connection, zurl.c_str(), 0);
173 *error = ZOOM_connection_error(m_connection, 0, addinfo);
176 void yf::Zoom::Backend::search_pqf(const char *pqf, Odr_int *hits,
177 int *error, const char **addinfo)
179 m_resultset = ZOOM_connection_search_pqf(m_connection, pqf);
180 *error = ZOOM_connection_error(m_connection, 0, addinfo);
182 *hits = ZOOM_resultset_size(m_resultset);
187 void yf::Zoom::Backend::present(Odr_int start, Odr_int number,
189 int *error, const char **addinfo)
191 ZOOM_resultset_records(m_resultset, recs, start, number);
192 *error = ZOOM_connection_error(m_connection, 0, addinfo);
195 void yf::Zoom::Backend::set_option(const char *name, const char *value)
197 ZOOM_connection_option_set(m_connection, name, value);
199 ZOOM_resultset_option_set(m_resultset, name, value);
202 int yf::Zoom::Backend::get_error(const char **addinfo)
204 return ZOOM_connection_error(m_connection, 0, addinfo);
207 yf::Zoom::Searchable::Searchable()
210 use_turbomarc = true;
211 ccl_bibset = ccl_qual_mk();
214 yf::Zoom::Searchable::~Searchable()
216 ccl_qual_rm(&ccl_bibset);
219 yf::Zoom::Frontend::Frontend(Impl *impl) :
220 m_p(impl), m_is_virtual(false), m_in_use(true)
224 yf::Zoom::Frontend::~Frontend()
228 yf::Zoom::FrontendPtr yf::Zoom::Impl::get_frontend(mp::Package &package)
230 boost::mutex::scoped_lock lock(m_mutex);
232 std::map<mp::Session,yf::Zoom::FrontendPtr>::iterator it;
236 it = m_clients.find(package.session());
237 if (it == m_clients.end())
240 if (!it->second->m_in_use)
242 it->second->m_in_use = true;
245 m_cond_session_ready.wait(lock);
247 FrontendPtr f(new Frontend(this));
248 m_clients[package.session()] = f;
253 void yf::Zoom::Impl::release_frontend(mp::Package &package)
255 boost::mutex::scoped_lock lock(m_mutex);
256 std::map<mp::Session,yf::Zoom::FrontendPtr>::iterator it;
258 it = m_clients.find(package.session());
259 if (it != m_clients.end())
261 if (package.session().is_closed())
267 it->second->m_in_use = false;
269 m_cond_session_ready.notify_all();
273 yf::Zoom::Impl::Impl()
277 yf::Zoom::Impl::~Impl()
281 void yf::Zoom::Impl::parse_torus(const xmlNode *ptr1)
285 for (ptr1 = ptr1->children; ptr1; ptr1 = ptr1->next)
287 if (ptr1->type != XML_ELEMENT_NODE)
289 if (!strcmp((const char *) ptr1->name, "record"))
291 const xmlNode *ptr2 = ptr1;
292 for (ptr2 = ptr2->children; ptr2; ptr2 = ptr2->next)
294 if (ptr2->type != XML_ELEMENT_NODE)
296 if (!strcmp((const char *) ptr2->name, "layer"))
298 Zoom::SearchablePtr s(new Searchable);
300 const xmlNode *ptr3 = ptr2;
301 for (ptr3 = ptr3->children; ptr3; ptr3 = ptr3->next)
303 if (ptr3->type != XML_ELEMENT_NODE)
305 if (!strcmp((const char *) ptr3->name,
308 s->authentication = mp::xml::get_text(ptr3);
310 else if (!strcmp((const char *) ptr3->name,
313 s->cfAuth = mp::xml::get_text(ptr3);
315 else if (!strcmp((const char *) ptr3->name,
318 s->cfProxy = mp::xml::get_text(ptr3);
320 else if (!strcmp((const char *) ptr3->name,
323 s->cfSubDb = mp::xml::get_text(ptr3);
325 else if (!strcmp((const char *) ptr3->name, "id"))
327 s->database = mp::xml::get_text(ptr3);
329 else if (!strcmp((const char *) ptr3->name, "zurl"))
331 s->target = mp::xml::get_text(ptr3);
333 else if (!strcmp((const char *) ptr3->name, "sru"))
335 s->sru = mp::xml::get_text(ptr3);
337 else if (!strcmp((const char *) ptr3->name,
340 s->query_encoding = mp::xml::get_text(ptr3);
342 else if (!strcmp((const char *) ptr3->name,
345 s->piggyback = mp::xml::get_bool(ptr3, true);
347 else if (!strcmp((const char *) ptr3->name,
350 s->request_syntax = mp::xml::get_text(ptr3);
352 else if (!strcmp((const char *) ptr3->name,
355 s->element_set = mp::xml::get_text(ptr3);
357 else if (!strcmp((const char *) ptr3->name,
360 s->record_encoding = mp::xml::get_text(ptr3);
362 else if (!strcmp((const char *) ptr3->name,
365 s->transform_xsl_fname = mp::xml::get_text(ptr3);
367 else if (!strcmp((const char *) ptr3->name,
370 ; // useTurboMarc is ignored
372 else if (!strncmp((const char *) ptr3->name,
375 std::string value = mp::xml::get_text(ptr3);
376 ccl_qual_fitem(s->ccl_bibset, value.c_str(),
377 (const char *) ptr3->name + 7);
380 if (s->database.length() && s->target.length())
382 yaz_log(YLOG_LOG, "add db=%s target=%s turbomarc=%s",
383 s->database.c_str(), s->target.c_str(),
384 s->use_turbomarc ? "1" : "0");
385 m_searchables.push_back(s);
393 void yf::Zoom::Impl::configure(const xmlNode *ptr, bool test_only)
395 for (ptr = ptr->children; ptr; ptr = ptr->next)
397 if (ptr->type != XML_ELEMENT_NODE)
399 if (!strcmp((const char *) ptr->name, "records"))
403 else if (!strcmp((const char *) ptr->name, "torus"))
406 const struct _xmlAttr *attr;
407 for (attr = ptr->properties; attr; attr = attr->next)
409 if (!strcmp((const char *) attr->name, "url"))
410 url = mp::xml::get_text(attr->children);
412 throw mp::filter::FilterException(
413 "Bad attribute " + std::string((const char *)
416 torus.read_searchables(url);
417 xmlDoc *doc = torus.get_doc();
420 xmlNode *ptr = xmlDocGetRootElement(doc);
426 throw mp::filter::FilterException
428 + std::string((const char *) ptr->name)
429 + " in zoom filter");
434 static std::string uri_encode(std::string s)
436 char *x = (char *) xmalloc(1 + s.length() * 3);
437 yaz_encode_uri_component(x, s.c_str());
438 std::string result(x);
442 yf::Zoom::BackendPtr yf::Zoom::Frontend::get_backend_from_databases(
443 std::string &database, int *error, const char **addinfo)
445 std::list<BackendPtr>::const_iterator map_it;
446 if (m_backend && m_backend->m_frontend_database == database)
449 std::list<Zoom::SearchablePtr>::iterator map_s =
450 m_p->m_searchables.begin();
452 std::string c_db = mp::util::database_name_normalize(database);
454 while (map_s != m_p->m_searchables.end())
456 if (c_db.compare((*map_s)->database) == 0)
460 if (map_s == m_p->m_searchables.end())
462 *error = YAZ_BIB1_DATABASE_DOES_NOT_EXIST;
463 *addinfo = database.c_str();
468 xsltStylesheetPtr xsp = 0;
469 if ((*map_s)->transform_xsl_fname.length())
471 xmlDoc *xsp_doc = xmlParseFile((*map_s)->transform_xsl_fname.c_str());
474 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
475 *addinfo = "xmlParseFile failed";
479 xsp = xsltParseStylesheetDoc(xsp_doc);
482 *error = YAZ_BIB1_DATABASE_DOES_NOT_EXIST;
483 *addinfo = "xsltParseStylesheetDoc failed";
490 SearchablePtr sptr = *map_s;
494 BackendPtr b(new Backend(sptr));
498 b->m_frontend_database = database;
499 std::string authentication = sptr->authentication;
501 if (sptr->query_encoding.length())
502 b->set_option("rpnCharset", sptr->query_encoding.c_str());
504 if (sptr->cfAuth.length())
506 b->set_option("user", sptr->cfAuth.c_str());
507 if (authentication.length())
509 size_t found = authentication.find('/');
510 if (found != std::string::npos)
512 cf_parm += "user=" + uri_encode(authentication.substr(0, found))
513 + "&password=" + uri_encode(authentication.substr(found+1));
516 cf_parm += "user=" + uri_encode(authentication);
519 else if (authentication.length())
520 b->set_option("user", authentication.c_str());
522 if (sptr->cfProxy.length())
524 if (cf_parm.length())
526 cf_parm += "proxy=" + uri_encode(sptr->cfProxy);
528 if (sptr->cfSubDb.length())
530 if (cf_parm.length())
532 cf_parm += "subdatabase=" + uri_encode(sptr->cfSubDb);
536 if (sptr->sru.length())
538 url = "http://" + sptr->target;
539 b->set_option("sru", sptr->sru.c_str());
545 if (cf_parm.length())
547 url += "," + cf_parm;
549 b->connect(url, error, addinfo);
557 Z_Records *yf::Zoom::Frontend::get_records(Odr_int start,
558 Odr_int number_to_present,
560 const char **addinfo,
561 Odr_int *number_of_records_returned,
564 Odr_oid *preferredRecordSyntax,
565 const char *element_set_name)
567 *number_of_records_returned = 0;
568 Z_Records *records = 0;
569 bool enable_pz2_transform = false;
571 if (start < 0 || number_to_present <= 0)
574 if (number_to_present > 10000)
575 number_to_present = 10000;
577 ZOOM_record *recs = (ZOOM_record *)
578 odr_malloc(odr, number_to_present * sizeof(*recs));
580 char oid_name_str[OID_STR_MAX];
581 const char *syntax_name = 0;
583 if (preferredRecordSyntax)
585 if (!oid_oidcmp(preferredRecordSyntax, yaz_oid_recsyn_xml)
586 && !strcmp(element_set_name, "pz2"))
588 if (b->sptr->request_syntax.length())
590 syntax_name = b->sptr->request_syntax.c_str();
591 enable_pz2_transform = true;
597 yaz_oid_to_string_buf(preferredRecordSyntax, 0, oid_name_str);
601 b->set_option("preferredRecordSyntax", syntax_name);
603 if (enable_pz2_transform)
605 element_set_name = "F";
606 if (b->sptr->element_set.length())
607 element_set_name = b->sptr->element_set.c_str();
610 b->set_option("elementSetName", element_set_name);
612 b->present(start, number_to_present, recs, error, addinfo);
617 for (i = 0; i < number_to_present; i++)
622 { // only return records if no error and at least one record
623 char *odr_database = odr_strdup(odr,
624 b->m_frontend_database.c_str());
625 Z_NamePlusRecordList *npl = (Z_NamePlusRecordList *)
626 odr_malloc(odr, sizeof(*npl));
627 *number_of_records_returned = i;
628 npl->num_records = i;
629 npl->records = (Z_NamePlusRecord **)
630 odr_malloc(odr, i * sizeof(*npl->records));
631 for (i = 0; i < number_to_present; i++)
633 Z_NamePlusRecord *npr = 0;
635 int sur_error = ZOOM_record_error(recs[i], 0 /* msg */,
636 &addinfo, 0 /* diagset */);
640 npr = zget_surrogateDiagRec(odr, odr_database, sur_error,
643 else if (enable_pz2_transform)
645 char rec_type_str[100];
647 strcpy(rec_type_str, b->sptr->use_turbomarc ?
650 // prevent buffer overflow ...
651 if (b->sptr->record_encoding.length() > 0 &&
652 b->sptr->record_encoding.length() <
653 (sizeof(rec_type_str)-20))
655 strcat(rec_type_str, "; charset=");
656 strcat(rec_type_str, b->sptr->record_encoding.c_str());
660 const char *rec_buf = ZOOM_record_get(recs[i], rec_type_str,
662 if (rec_buf && b->xsp)
664 xmlDoc *rec_doc = xmlParseMemory(rec_buf, rec_len);
668 rec_res = xsltApplyStylesheet(b->xsp, rec_doc, 0);
671 xsltSaveResultToString((xmlChar **) &rec_buf, &rec_len,
678 npr = (Z_NamePlusRecord *) odr_malloc(odr, sizeof(*npr));
679 npr->databaseName = odr_database;
680 npr->which = Z_NamePlusRecord_databaseRecord;
681 npr->u.databaseRecord =
682 z_ext_record_xml(odr, rec_buf, rec_len);
686 npr = zget_surrogateDiagRec(
688 YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS,
695 (Z_External *) ZOOM_record_get(recs[i], "ext", 0);
698 npr = (Z_NamePlusRecord *) odr_malloc(odr, sizeof(*npr));
699 npr->databaseName = odr_database;
700 npr->which = Z_NamePlusRecord_databaseRecord;
701 npr->u.databaseRecord = ext;
705 npr = zget_surrogateDiagRec(
707 YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS,
708 "ZOOM_record, type ext");
711 npl->records[i] = npr;
713 records = (Z_Records*) odr_malloc(odr, sizeof(*records));
714 records->which = Z_Records_DBOSD;
715 records->u.databaseOrSurDiagnostics = npl;
721 void yf::Zoom::Frontend::handle_search(mp::Package &package)
723 Z_GDU *gdu = package.request().get();
724 Z_APDU *apdu_req = gdu->u.z3950;
725 Z_APDU *apdu_res = 0;
727 Z_SearchRequest *sr = apdu_req->u.searchRequest;
728 if (sr->num_databaseNames != 1)
730 apdu_res = odr.create_searchResponse(
731 apdu_req, YAZ_BIB1_TOO_MANY_DATABASES_SPECIFIED, 0);
732 package.response() = apdu_res;
737 const char *addinfo = 0;
738 std::string db(sr->databaseNames[0]);
739 BackendPtr b = get_backend_from_databases(db, &error, &addinfo);
743 odr.create_searchResponse(
744 apdu_req, error, addinfo);
745 package.response() = apdu_res;
749 b->set_option("setname", "default");
752 Z_Query *query = sr->query;
756 if (query->which == Z_Query_type_1 || query->which == Z_Query_type_101)
759 pqf_wrbuf = wrbuf_alloc();
760 yaz_rpnquery_to_wrbuf(pqf_wrbuf, query->u.type_1);
762 else if (query->which == Z_Query_type_2)
765 ccl_wrbuf = wrbuf_alloc();
766 wrbuf_write(ccl_wrbuf, (const char *) query->u.type_2->buf,
767 query->u.type_2->len);
769 else if (query->which == Z_Query_type_104 &&
770 query->u.type_104->which == Z_External_CQL)
773 const char *cql = query->u.type_104->u.cql;
774 CQL_parser cp = cql_parser_create();
775 int r = cql_parser_string(cp, cql);
778 cql_parser_destroy(cp);
780 odr.create_searchResponse(apdu_req,
781 YAZ_BIB1_MALFORMED_QUERY,
783 package.response() = apdu_res;
786 struct cql_node *cn = cql_parser_result(cp);
789 r = cql_to_ccl_buf(cn, ccl_buf, sizeof(ccl_buf));
790 yaz_log(YLOG_LOG, "cql_to_ccl_buf returned %d", r);
793 ccl_wrbuf = wrbuf_alloc();
794 wrbuf_puts(ccl_wrbuf, ccl_buf);
796 cql_parser_destroy(cp);
800 odr.create_searchResponse(apdu_req,
801 YAZ_BIB1_MALFORMED_QUERY,
802 "CQL to CCL conversion error");
803 package.response() = apdu_res;
810 odr.create_searchResponse(apdu_req, YAZ_BIB1_QUERY_TYPE_UNSUPP, 0);
811 package.response() = apdu_res;
818 assert(pqf_wrbuf == 0);
820 struct ccl_rpn_node *cn;
821 cn = ccl_find_str(b->sptr->ccl_bibset, wrbuf_cstr(ccl_wrbuf),
823 wrbuf_destroy(ccl_wrbuf);
826 char *addinfo = odr_strdup(odr, ccl_err_msg(cerror));
829 odr.create_searchResponse(apdu_req,
830 YAZ_BIB1_MALFORMED_QUERY,
832 package.response() = apdu_res;
835 pqf_wrbuf = wrbuf_alloc();
836 ccl_pquery(pqf_wrbuf, cn);
841 b->search_pqf(wrbuf_cstr(pqf_wrbuf), &hits, &error, &addinfo);
843 wrbuf_destroy(pqf_wrbuf);
845 const char *element_set_name = 0;
846 Odr_int number_to_present = 0;
848 mp::util::piggyback_sr(sr, hits, number_to_present, &element_set_name);
850 Odr_int number_of_records_returned = 0;
851 Z_Records *records = get_records(
852 0, number_to_present, &error, &addinfo,
853 &number_of_records_returned, odr, b, sr->preferredRecordSyntax,
855 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
858 apdu_res->u.searchResponse->records = records;
859 apdu_res->u.searchResponse->numberOfRecordsReturned =
860 odr_intdup(odr, number_of_records_returned);
862 apdu_res->u.searchResponse->resultCount = odr_intdup(odr, hits);
863 package.response() = apdu_res;
866 void yf::Zoom::Frontend::handle_present(mp::Package &package)
868 Z_GDU *gdu = package.request().get();
869 Z_APDU *apdu_req = gdu->u.z3950;
870 Z_APDU *apdu_res = 0;
871 Z_PresentRequest *pr = apdu_req->u.presentRequest;
876 package.response() = odr.create_presentResponse(
877 apdu_req, YAZ_BIB1_SPECIFIED_RESULT_SET_DOES_NOT_EXIST, 0);
880 const char *element_set_name = 0;
881 Z_RecordComposition *comp = pr->recordComposition;
882 if (comp && comp->which != Z_RecordComp_simple)
884 package.response() = odr.create_presentResponse(
886 YAZ_BIB1_PRESENT_COMP_SPEC_PARAMETER_UNSUPP, 0);
889 if (comp && comp->u.simple->which == Z_ElementSetNames_generic)
890 element_set_name = comp->u.simple->u.generic;
891 Odr_int number_of_records_returned = 0;
893 const char *addinfo = 0;
894 Z_Records *records = get_records(
895 *pr->resultSetStartPoint - 1, *pr->numberOfRecordsRequested,
896 &error, &addinfo, &number_of_records_returned, odr, m_backend,
897 pr->preferredRecordSyntax, element_set_name);
899 apdu_res = odr.create_presentResponse(apdu_req, error, addinfo);
902 apdu_res->u.presentResponse->records = records;
903 apdu_res->u.presentResponse->numberOfRecordsReturned =
904 odr_intdup(odr, number_of_records_returned);
906 package.response() = apdu_res;
909 void yf::Zoom::Frontend::handle_package(mp::Package &package)
911 Z_GDU *gdu = package.request().get();
914 else if (gdu->which == Z_GDU_Z3950)
916 Z_APDU *apdu_req = gdu->u.z3950;
917 if (apdu_req->which == Z_APDU_initRequest)
920 package.response() = odr.create_close(
922 Z_Close_protocolError,
925 else if (apdu_req->which == Z_APDU_searchRequest)
927 handle_search(package);
929 else if (apdu_req->which == Z_APDU_presentRequest)
931 handle_present(package);
936 package.response() = odr.create_close(
938 Z_Close_protocolError,
939 "zoom filter cannot handle this APDU");
940 package.session().close();
945 package.session().close();
949 void yf::Zoom::Impl::process(mp::Package &package)
951 FrontendPtr f = get_frontend(package);
952 Z_GDU *gdu = package.request().get();
956 f->handle_package(package);
958 else if (gdu && gdu->which == Z_GDU_Z3950 && gdu->u.z3950->which ==
961 Z_InitRequest *req = gdu->u.z3950->u.initRequest;
965 Z_APDU *apdu = odr.create_initResponse(gdu->u.z3950, 0, 0);
966 Z_InitResponse *resp = apdu->u.initResponse;
969 static const int masks[] = {
974 for (i = 0; masks[i] != -1; i++)
975 if (ODR_MASK_GET(req->options, masks[i]))
976 ODR_MASK_SET(resp->options, masks[i]);
978 static const int versions[] = {
984 for (i = 0; versions[i] != -1; i++)
985 if (ODR_MASK_GET(req->protocolVersion, versions[i]))
986 ODR_MASK_SET(resp->protocolVersion, versions[i]);
990 *resp->preferredMessageSize = *req->preferredMessageSize;
991 *resp->maximumRecordSize = *req->maximumRecordSize;
993 package.response() = apdu;
994 f->m_is_virtual = true;
999 release_frontend(package);
1003 static mp::filter::Base* filter_creator()
1005 return new mp::filter::Zoom;
1009 struct metaproxy_1_filter_struct metaproxy_1_filter_zoom = {
1020 * c-file-style: "Stroustrup"
1021 * indent-tabs-mode: nil
1023 * vim: shiftwidth=4 tabstop=8 expandtab