1 /* $Id: filter_session_shared.cpp,v 1.12 2006-06-19 23:54:02 adam Exp $
2 Copyright (c) 2005-2006, Index Data.
4 See the LICENSE file for details
10 #include "package.hpp"
12 #include <boost/thread/mutex.hpp>
13 #include <boost/thread/condition.hpp>
14 #include <boost/thread/thread.hpp>
15 #include <boost/thread/xtime.hpp>
16 #include <boost/shared_ptr.hpp>
17 #include <boost/format.hpp>
20 #include "filter_session_shared.hpp"
24 #include <yaz/otherinfo.h>
25 #include <yaz/diagbib1.h>
26 #include <yazpp/z-query.h>
31 namespace mp = metaproxy_1;
32 namespace yf = metaproxy_1::filter;
34 namespace metaproxy_1 {
37 class SessionShared::InitKey {
39 bool operator < (const SessionShared::InitKey &k) const;
40 InitKey(Z_InitRequest *req);
41 InitKey(const InitKey &);
44 InitKey &operator = (const InitKey &k);
45 char *m_idAuthentication_buf;
46 int m_idAuthentication_size;
47 char *m_otherInfo_buf;
51 class SessionShared::Worker {
53 Worker(SessionShared::Rep *rep);
54 void operator() (void);
56 SessionShared::Rep *m_p;
58 class SessionShared::BackendSet {
60 std::string m_result_set_id;
61 Databases m_databases;
62 int m_result_set_size;
63 yazpp_1::Yaz_Z_Query m_query;
64 time_t m_time_last_use;
67 const std::string &result_set_id,
68 const Databases &databases,
69 const yazpp_1::Yaz_Z_Query &query);
71 Package &frontend_package,
72 const Z_APDU *apdu_req,
73 const BackendInstancePtr bp);
75 class SessionShared::BackendInstance {
77 friend class BackendClass;
78 friend class BackendSet;
80 mp::Session m_session;
81 BackendSetList m_sets;
84 int m_result_set_sequence;
85 time_t m_time_last_use;
86 mp::Package * m_close_package;
89 class SessionShared::BackendClass : boost::noncopyable {
91 friend struct Frontend;
92 bool m_named_result_sets;
93 BackendInstanceList m_backend_list;
94 BackendInstancePtr create_backend(const Package &package);
95 void remove_backend(BackendInstancePtr b);
96 BackendInstancePtr get_backend(const Package &package);
97 void use_backend(BackendInstancePtr b);
98 void release_backend(BackendInstancePtr b);
100 yazpp_1::GDU m_init_request;
101 yazpp_1::GDU m_init_response;
102 boost::mutex m_mutex_backend_class;
104 time_t m_backend_set_ttl;
105 time_t m_backend_expiry_ttl;
106 size_t m_backend_set_max;
108 BackendClass(const yazpp_1::GDU &init_request);
111 class SessionShared::FrontendSet {
112 Databases m_databases;
113 yazpp_1::Yaz_Z_Query m_query;
115 const Databases &get_databases();
116 const yazpp_1::Yaz_Z_Query &get_query();
118 const Databases &databases,
119 const yazpp_1::Yaz_Z_Query &query);
122 struct SessionShared::Frontend {
128 void search(Package &package, Z_APDU *apdu);
129 void present(Package &package, Z_APDU *apdu);
131 void get_set(mp::Package &package,
132 const Z_APDU *apdu_req,
133 const Databases &databases,
134 yazpp_1::Yaz_Z_Query &query,
135 BackendInstancePtr &found_backend,
136 BackendSetPtr &found_set);
137 void override_set(BackendInstancePtr &found_backend,
138 std::string &result_set_id);
141 BackendClassPtr m_backend_class;
142 FrontendSets m_frontend_sets;
144 class SessionShared::Rep {
145 friend class SessionShared;
146 friend struct Frontend;
148 FrontendPtr get_frontend(Package &package);
149 void release_frontend(Package &package);
154 void init(Package &package, const Z_GDU *gdu,
155 FrontendPtr frontend);
156 boost::mutex m_mutex;
157 boost::condition m_cond_session_ready;
158 std::map<mp::Session, FrontendPtr> m_clients;
160 BackendClassMap m_backend_map;
161 boost::mutex m_mutex_backend_map;
162 boost::thread_group m_thrds;
167 yf::SessionShared::FrontendSet::FrontendSet(
168 const Databases &databases,
169 const yazpp_1::Yaz_Z_Query &query)
170 : m_databases(databases), m_query(query)
174 const yf::SessionShared::Databases &
175 yf::SessionShared::FrontendSet::get_databases()
180 const yazpp_1::Yaz_Z_Query& yf::SessionShared::FrontendSet::get_query()
185 yf::SessionShared::InitKey::InitKey(const InitKey &k)
187 m_odr = odr_createmem(ODR_ENCODE);
189 m_idAuthentication_size = k.m_idAuthentication_size;
190 m_idAuthentication_buf = (char*)odr_malloc(m_odr, m_idAuthentication_size);
191 memcpy(m_idAuthentication_buf, k.m_idAuthentication_buf,
192 m_idAuthentication_size);
194 m_otherInfo_size = k.m_otherInfo_size;
195 m_otherInfo_buf = (char*)odr_malloc(m_odr, m_otherInfo_size);
196 memcpy(m_otherInfo_buf, k.m_otherInfo_buf,
200 yf::SessionShared::InitKey::InitKey(Z_InitRequest *req)
202 m_odr = odr_createmem(ODR_ENCODE);
204 Z_IdAuthentication *t = req->idAuthentication;
205 z_IdAuthentication(m_odr, &t, 1, 0);
206 m_idAuthentication_buf =
207 odr_getbuf(m_odr, &m_idAuthentication_size, 0);
209 Z_OtherInformation *o = req->otherInfo;
210 z_OtherInformation(m_odr, &o, 1, 0);
211 m_otherInfo_buf = odr_getbuf(m_odr, &m_otherInfo_size, 0);
214 yf::SessionShared::InitKey::~InitKey()
219 bool yf::SessionShared::InitKey::operator < (const SessionShared::InitKey &k)
223 c = mp::util::memcmp2(
224 (void*) m_idAuthentication_buf, m_idAuthentication_size,
225 (void*) k.m_idAuthentication_buf, k.m_idAuthentication_size);
231 c = mp::util::memcmp2((void*) m_otherInfo_buf, m_otherInfo_size,
232 (void*) k.m_otherInfo_buf, k.m_otherInfo_size);
240 void yf::SessionShared::BackendClass::release_backend(BackendInstancePtr b)
242 boost::mutex::scoped_lock lock(m_mutex_backend_class);
247 void yf::SessionShared::BackendClass::remove_backend(BackendInstancePtr b)
249 BackendInstanceList::iterator it = m_backend_list.begin();
251 while (it != m_backend_list.end())
254 it = m_backend_list.erase(it);
262 yf::SessionShared::BackendInstancePtr
263 yf::SessionShared::BackendClass::get_backend(
264 const mp::Package &frontend_package)
267 boost::mutex::scoped_lock lock(m_mutex_backend_class);
269 BackendInstanceList::const_iterator it = m_backend_list.begin();
271 BackendInstancePtr backend1; // null
273 for (; it != m_backend_list.end(); it++)
275 if (!(*it)->m_in_use)
278 || (*it)->m_sequence_this < backend1->m_sequence_this)
284 use_backend(backend1);
288 return create_backend(frontend_package);
291 void yf::SessionShared::BackendClass::use_backend(BackendInstancePtr backend)
293 backend->m_in_use = true;
294 time(&backend->m_time_last_use);
295 backend->m_sequence_this = m_sequence_top++;
298 yf::SessionShared::BackendInstance::~BackendInstance()
300 delete m_close_package;
303 yf::SessionShared::BackendInstancePtr yf::SessionShared::BackendClass::create_backend(
304 const mp::Package &frontend_package)
306 BackendInstancePtr bp(new BackendInstance);
307 BackendInstancePtr null;
309 bp->m_close_package =
310 new mp::Package(bp->m_session, frontend_package.origin());
311 bp->m_close_package->copy_filter(frontend_package);
313 Package init_package(bp->m_session, frontend_package.origin());
315 init_package.copy_filter(frontend_package);
317 init_package.request() = m_init_request;
321 boost::mutex::scoped_lock lock(m_mutex_backend_class);
323 m_named_result_sets = false;
324 Z_GDU *gdu = init_package.response().get();
325 if (!init_package.session().is_closed()
326 && gdu && gdu->which == Z_GDU_Z3950
327 && gdu->u.z3950->which == Z_APDU_initResponse)
329 Z_InitResponse *res = gdu->u.z3950->u.initResponse;
332 m_init_response = gdu->u.z3950;
333 if (ODR_MASK_GET(res->options, Z_Options_namedResultSets))
335 m_named_result_sets = true;
340 // did not receive an init response or closed
344 time(&bp->m_time_last_use);
345 bp->m_sequence_this = 0;
346 bp->m_result_set_sequence = 0;
347 m_backend_list.push_back(bp);
353 yf::SessionShared::BackendClass::BackendClass(const yazpp_1::GDU &init_request)
354 : m_named_result_sets(false), m_init_request(init_request),
355 m_sequence_top(0), m_backend_set_ttl(30),
356 m_backend_expiry_ttl(90), m_backend_set_max(10)
359 yf::SessionShared::BackendClass::~BackendClass()
362 void yf::SessionShared::Rep::init(mp::Package &package, const Z_GDU *gdu,
363 FrontendPtr frontend)
365 Z_InitRequest *req = gdu->u.z3950->u.initRequest;
367 frontend->m_is_virtual = true;
370 boost::mutex::scoped_lock lock(m_mutex_backend_map);
371 BackendClassMap::const_iterator it;
372 it = m_backend_map.find(k);
373 if (it == m_backend_map.end())
375 BackendClassPtr b(new BackendClass(gdu->u.z3950));
376 m_backend_map[k] = b;
377 frontend->m_backend_class = b;
378 std::cout << "SessionShared::Rep::init new session "
379 << frontend->m_backend_class << "\n";
383 frontend->m_backend_class = it->second;
384 std::cout << "SessionShared::Rep::init existing session "
385 << frontend->m_backend_class << "\n";
388 BackendClassPtr bc = frontend->m_backend_class;
389 BackendInstancePtr backend = bc->get_backend(package);
394 Z_APDU *apdu = odr.create_initResponse(gdu->u.z3950, 0, 0);
395 *apdu->u.initResponse->result = 0;
396 package.response() = apdu;
397 package.session().close();
401 boost::mutex::scoped_lock lock(bc->m_mutex_backend_class);
402 Z_GDU *response_gdu = bc->m_init_response.get();
403 mp::util::transfer_referenceId(odr, gdu->u.z3950,
404 response_gdu->u.z3950);
405 package.response() = response_gdu;
408 bc->release_backend(backend);
411 void yf::SessionShared::BackendSet::timestamp()
413 time(&m_time_last_use);
416 yf::SessionShared::BackendSet::BackendSet(
417 const std::string &result_set_id,
418 const Databases &databases,
419 const yazpp_1::Yaz_Z_Query &query) :
420 m_result_set_id(result_set_id),
421 m_databases(databases), m_result_set_size(0), m_query(query)
426 bool yf::SessionShared::BackendSet::search(
427 Package &frontend_package,
428 const Z_APDU *frontend_apdu,
429 const BackendInstancePtr bp)
431 Package search_package(bp->m_session, frontend_package.origin());
433 search_package.copy_filter(frontend_package);
436 Z_APDU *apdu_req = zget_APDU(odr, Z_APDU_searchRequest);
437 Z_SearchRequest *req = apdu_req->u.searchRequest;
439 req->resultSetName = odr_strdup(odr, m_result_set_id.c_str());
440 req->query = m_query.get_Z_Query();
442 req->num_databaseNames = m_databases.size();
443 req->databaseNames = (char**)
444 odr_malloc(odr, req->num_databaseNames * sizeof(char *));
445 Databases::const_iterator it = m_databases.begin();
447 for (; it != m_databases.end(); it++)
448 req->databaseNames[i++] = odr_strdup(odr, it->c_str());
450 search_package.request() = apdu_req;
452 search_package.move();
454 Z_Records *z_records_diag = 0;
455 Z_GDU *gdu = search_package.response().get();
456 if (!search_package.session().is_closed()
457 && gdu && gdu->which == Z_GDU_Z3950
458 && gdu->u.z3950->which == Z_APDU_searchResponse)
460 Z_SearchResponse *b_resp = gdu->u.z3950->u.searchResponse;
463 if (b_resp->records->which == Z_Records_NSD
464 || b_resp->records->which == Z_Records_multipleNSD)
465 z_records_diag = b_resp->records;
469 if (frontend_apdu->which == Z_APDU_searchRequest)
471 Z_APDU *f_apdu = odr.create_searchResponse(frontend_apdu,
473 Z_SearchResponse *f_resp = f_apdu->u.searchResponse;
474 f_resp->records = z_records_diag;
475 frontend_package.response() = f_apdu;
478 if (frontend_apdu->which == Z_APDU_presentRequest)
480 Z_APDU *f_apdu = odr.create_presentResponse(frontend_apdu,
482 Z_PresentResponse *f_resp = f_apdu->u.presentResponse;
483 f_resp->records = z_records_diag;
484 frontend_package.response() = f_apdu;
488 m_result_set_size = *b_resp->resultCount;
491 if (frontend_apdu->which == Z_APDU_searchRequest)
494 odr.create_searchResponse(frontend_apdu, 1, "Search closed");
495 frontend_package.response() = f_apdu;
497 if (frontend_apdu->which == Z_APDU_presentRequest)
500 odr.create_presentResponse(frontend_apdu, 1, "Search closed");
501 frontend_package.response() = f_apdu;
506 void yf::SessionShared::Frontend::override_set(
507 BackendInstancePtr &found_backend,
508 std::string &result_set_id)
510 BackendClassPtr bc = m_backend_class;
511 BackendInstanceList::const_iterator it = bc->m_backend_list.begin();
515 for (; it != bc->m_backend_list.end(); it++)
517 if (!(*it)->m_in_use)
519 BackendSetList::iterator set_it = (*it)->m_sets.begin();
520 for (; set_it != (*it)->m_sets.end(); set_it++)
522 if (now >= (*set_it)->m_time_last_use &&
523 now - (*set_it)->m_time_last_use > bc->m_backend_set_ttl)
526 result_set_id = (*set_it)->m_result_set_id;
527 found_backend->m_sets.erase(set_it);
528 std::cout << "REUSE TTL SET: " << result_set_id << "\n";
534 size_t max_sets = bc->m_named_result_sets ? bc->m_backend_set_max : 1;
535 for (it = bc->m_backend_list.begin(); it != bc->m_backend_list.end(); it++)
537 if (!(*it)->m_in_use && (*it)->m_sets.size() < max_sets)
540 if (bc->m_named_result_sets)
542 result_set_id = boost::io::str(
543 boost::format("%1%") %
544 found_backend->m_result_set_sequence);
545 found_backend->m_result_set_sequence++;
548 result_set_id = "default";
549 std::cout << "AVAILABLE SET: " << result_set_id << "\n";
556 void yf::SessionShared::Frontend::get_set(mp::Package &package,
557 const Z_APDU *apdu_req,
558 const Databases &databases,
559 yazpp_1::Yaz_Z_Query &query,
560 BackendInstancePtr &found_backend,
561 BackendSetPtr &found_set)
563 std::string result_set_id;
564 BackendClassPtr bc = m_backend_class;
566 boost::mutex::scoped_lock lock(bc->m_mutex_backend_class);
568 // look at each backend and see if we have a similar search
569 BackendInstanceList::const_iterator it = bc->m_backend_list.begin();
571 for (; it != bc->m_backend_list.end(); it++)
573 if (!(*it)->m_in_use)
575 BackendSetList::const_iterator set_it = (*it)->m_sets.begin();
576 for (; set_it != (*it)->m_sets.end(); set_it++)
578 if ((*set_it)->m_databases == databases
579 && query.match(&(*set_it)->m_query))
583 bc->use_backend(found_backend);
584 found_set->timestamp();
585 std::cout << "MATCH SET: " <<
586 found_set->m_result_set_id << "\n";
587 // found matching set. No need to search again
593 override_set(found_backend, result_set_id);
595 bc->use_backend(found_backend);
599 // create a new backend set (and new set)
600 found_backend = bc->create_backend(package);
601 assert(found_backend);
602 std::cout << "NEW " << found_backend << "\n";
604 if (bc->m_named_result_sets)
606 result_set_id = boost::io::str(
607 boost::format("%1%") % found_backend->m_result_set_sequence);
608 found_backend->m_result_set_sequence++;
611 result_set_id = "default";
612 std::cout << "NEW SET: " << result_set_id << "\n";
614 // we must search ...
615 BackendSetPtr new_set(new BackendSet(result_set_id,
617 if (!new_set->search(package, apdu_req, found_backend))
619 std::cout << "search error\n";
620 bc->release_backend(found_backend);
621 return; // search error
624 found_set->timestamp();
625 found_backend->m_sets.push_back(found_set);
628 void yf::SessionShared::Frontend::search(mp::Package &package,
631 Z_SearchRequest *req = apdu_req->u.searchRequest;
632 FrontendSets::iterator fset_it =
633 m_frontend_sets.find(req->resultSetName);
634 if (fset_it != m_frontend_sets.end())
636 // result set already exist
637 // if replace indicator is off: we return diagnostic if
638 // result set already exist.
639 if (*req->replaceIndicator == 0)
643 odr.create_searchResponse(
645 YAZ_BIB1_RESULT_SET_EXISTS_AND_REPLACE_INDICATOR_OFF,
647 package.response() = apdu;
651 m_frontend_sets.erase(fset_it);
654 yazpp_1::Yaz_Z_Query query;
655 query.set_Z_Query(req->query);
658 for (i = 0; i<req->num_databaseNames; i++)
659 databases.push_back(req->databaseNames[i]);
661 BackendSetPtr found_set; // null
662 BackendInstancePtr found_backend; // null
664 get_set(package, apdu_req, databases, query, found_backend, found_set);
669 Z_APDU *f_apdu = odr.create_searchResponse(apdu_req, 0, 0);
670 Z_SearchResponse *f_resp = f_apdu->u.searchResponse;
671 *f_resp->resultCount = found_set->m_result_set_size;
672 package.response() = f_apdu;
674 FrontendSetPtr fset(new FrontendSet(databases, query));
675 m_frontend_sets[req->resultSetName] = fset;
677 m_backend_class->release_backend(found_backend);
680 void yf::SessionShared::Frontend::present(mp::Package &package,
684 Z_PresentRequest *req = apdu_req->u.presentRequest;
686 FrontendSets::iterator fset_it =
687 m_frontend_sets.find(req->resultSetId);
689 if (fset_it == m_frontend_sets.end())
692 odr.create_presentResponse(
694 YAZ_BIB1_SPECIFIED_RESULT_SET_DOES_NOT_EXIST,
696 package.response() = apdu;
699 FrontendSetPtr fset = fset_it->second;
701 Databases databases = fset->get_databases();
702 yazpp_1::Yaz_Z_Query query = fset->get_query();
704 BackendClassPtr bc = m_backend_class;
705 BackendSetPtr found_set; // null
706 BackendInstancePtr found_backend;
708 get_set(package, apdu_req, databases, query, found_backend, found_set);
712 Z_APDU *p_apdu = zget_APDU(odr, Z_APDU_presentRequest);
713 Z_PresentRequest *p_req = p_apdu->u.presentRequest;
714 p_req->preferredRecordSyntax = req->preferredRecordSyntax;
715 p_req->resultSetId = odr_strdup(odr, found_set->m_result_set_id.c_str());
716 *p_req->resultSetStartPoint = *req->resultSetStartPoint;
717 *p_req->numberOfRecordsRequested = *req->numberOfRecordsRequested;
718 p_req->preferredRecordSyntax = req->preferredRecordSyntax;
719 p_req->recordComposition = req->recordComposition;
721 Package present_package(found_backend->m_session, package.origin());
722 present_package.copy_filter(package);
724 present_package.request() = p_apdu;
726 present_package.move();
728 Z_GDU *gdu = present_package.response().get();
729 if (!present_package.session().is_closed()
730 && gdu && gdu->which == Z_GDU_Z3950
731 && gdu->u.z3950->which == Z_APDU_presentResponse)
733 Z_PresentResponse *b_resp = gdu->u.z3950->u.presentResponse;
734 Z_APDU *f_apdu_res = odr.create_presentResponse(apdu_req, 0, 0);
735 Z_PresentResponse *f_resp = f_apdu_res->u.presentResponse;
737 f_resp->numberOfRecordsReturned = b_resp->numberOfRecordsReturned;
738 f_resp->nextResultSetPosition = b_resp->nextResultSetPosition;
739 f_resp->presentStatus= b_resp->presentStatus;
740 f_resp->records = b_resp->records;
741 f_resp->otherInfo = b_resp->otherInfo;
742 package.response() = f_apdu_res;
743 bc->release_backend(found_backend);
747 bc->remove_backend(found_backend);
749 odr.create_presentResponse(apdu_req, 1, "present error");
750 package.response() = f_apdu_res;
754 yf::SessionShared::Worker::Worker(SessionShared::Rep *rep) : m_p(rep)
758 void yf::SessionShared::Worker::operator() (void)
763 void yf::SessionShared::BackendClass::expire()
767 boost::mutex::scoped_lock lock(m_mutex_backend_class);
768 BackendInstanceList::iterator bit = m_backend_list.begin();
769 while (bit != m_backend_list.end())
771 std::cout << "expiry ";
772 time_t last_use = (*bit)->m_time_last_use;
773 if ((now >= last_use && now - last_use > m_backend_expiry_ttl)
777 (*bit)->m_close_package->response() = odr.create_close(
778 0, Z_Close_lackOfActivity, "session expired");
779 (*bit)->m_close_package->session().close();
780 (*bit)->m_close_package->move();
782 bit = m_backend_list.erase(bit);
783 std::cout << "erase";
790 std::cout << std::endl;
794 void yf::SessionShared::Rep::expire()
799 boost::xtime_get(&xt, boost::TIME_UTC);
801 boost::thread::sleep(xt);
802 std::cout << "." << std::endl;
804 BackendClassMap::const_iterator b_it = m_backend_map.begin();
805 for (; b_it != m_backend_map.end(); b_it++)
806 b_it->second->expire();
810 yf::SessionShared::Rep::Rep()
812 yf::SessionShared::Worker w(this);
813 m_thrds.add_thread(new boost::thread(w));
816 yf::SessionShared::SessionShared() : m_p(new SessionShared::Rep)
820 yf::SessionShared::~SessionShared() {
824 yf::SessionShared::Frontend::Frontend(Rep *rep) : m_is_virtual(false), m_p(rep)
828 yf::SessionShared::Frontend::~Frontend()
832 yf::SessionShared::FrontendPtr yf::SessionShared::Rep::get_frontend(mp::Package &package)
834 boost::mutex::scoped_lock lock(m_mutex);
836 std::map<mp::Session,yf::SessionShared::FrontendPtr>::iterator it;
840 it = m_clients.find(package.session());
841 if (it == m_clients.end())
844 if (!it->second->m_in_use)
846 it->second->m_in_use = true;
849 m_cond_session_ready.wait(lock);
851 FrontendPtr f(new Frontend(this));
852 m_clients[package.session()] = f;
857 void yf::SessionShared::Rep::release_frontend(mp::Package &package)
859 boost::mutex::scoped_lock lock(m_mutex);
860 std::map<mp::Session,yf::SessionShared::FrontendPtr>::iterator it;
862 it = m_clients.find(package.session());
863 if (it != m_clients.end())
865 if (package.session().is_closed())
871 it->second->m_in_use = false;
873 m_cond_session_ready.notify_all();
878 void yf::SessionShared::process(mp::Package &package) const
880 FrontendPtr f = m_p->get_frontend(package);
882 Z_GDU *gdu = package.request().get();
884 if (gdu && gdu->which == Z_GDU_Z3950 && gdu->u.z3950->which ==
885 Z_APDU_initRequest && !f->m_is_virtual)
887 m_p->init(package, gdu, f);
889 else if (!f->m_is_virtual)
891 else if (gdu && gdu->which == Z_GDU_Z3950)
893 Z_APDU *apdu = gdu->u.z3950;
894 if (apdu->which == Z_APDU_initRequest)
898 package.response() = odr.create_close(
900 Z_Close_protocolError,
903 package.session().close();
905 else if (apdu->which == Z_APDU_close)
909 package.response() = odr.create_close(
911 Z_Close_peerAbort, "received close from client");
912 package.session().close();
914 else if (apdu->which == Z_APDU_searchRequest)
916 f->search(package, apdu);
918 else if (apdu->which == Z_APDU_presentRequest)
920 f->present(package, apdu);
926 package.response() = odr.create_close(
927 apdu, Z_Close_protocolError,
928 "unsupported APDU in filter_session_shared");
930 package.session().close();
933 m_p->release_frontend(package);
936 static mp::filter::Base* filter_creator()
938 return new mp::filter::SessionShared;
942 struct metaproxy_1_filter_struct metaproxy_1_filter_session_shared = {
952 * indent-tabs-mode: nil
953 * c-file-style: "stroustrup"
955 * vim: shiftwidth=4 tabstop=8 expandtab