X-Git-Url: http://jsfdemo.indexdata.com/?a=blobdiff_plain;f=src%2Ffilter_virt_db.cpp;h=98ed55ac734bda8a3d4352169179ac4457efadb0;hb=f47e8cf4cde2ba5465106e219c803e6424a4f177;hp=1ad040ca2323d89f08ebbf3f4cfcfdb8f4fbf957;hpb=63dda9fef8b647d491dd2baef8ec4f4f88ee1b11;p=metaproxy-moved-to-github.git diff --git a/src/filter_virt_db.cpp b/src/filter_virt_db.cpp index 1ad040c..98ed55a 100644 --- a/src/filter_virt_db.cpp +++ b/src/filter_virt_db.cpp @@ -1,4 +1,4 @@ -/* $Id: filter_virt_db.cpp,v 1.26 2006-01-16 15:51:56 adam Exp $ +/* $Id: filter_virt_db.cpp,v 1.33 2006-01-18 10:57:27 adam Exp $ Copyright (c) 2005, Index Data. %LICENSE% @@ -44,9 +44,6 @@ namespace yp2 { }; struct Virt_db::Backend { yp2::Session m_backend_session; -#if 0 - std::string m_backend_database; -#endif std::list m_frontend_databases; std::list m_targets; std::string m_route; @@ -59,6 +56,7 @@ namespace yp2 { yp2::Session m_session; bool m_is_virtual; bool m_in_use; + yazpp_1::GDU m_init_gdu; std::list m_backend_list; std::map m_sets; @@ -72,7 +70,9 @@ namespace yp2 { BackendPtr lookup_backend_from_databases( std::list databases); BackendPtr create_backend_from_databases( - std::list databases); + std::list databases, + int &error_code, + std::string &failing_database); BackendPtr init_backend(std::list database, Package &package, @@ -113,7 +113,7 @@ yf::Virt_db::BackendPtr yf::Virt_db::Frontend::lookup_backend_from_databases( } yf::Virt_db::BackendPtr yf::Virt_db::Frontend::create_backend_from_databases( - std::list databases) + std::list databases, int &error_code, std::string &addinfo) { BackendPtr b(new Backend); std::list::const_iterator db_it = databases.begin(); @@ -122,6 +122,8 @@ yf::Virt_db::BackendPtr yf::Virt_db::Frontend::create_backend_from_databases( b->m_frontend_databases = databases; b->m_named_result_sets = false; + bool first_route = true; + std::map targets_dedup; for (; db_it != databases.end(); db_it++) { @@ -129,6 +131,8 @@ yf::Virt_db::BackendPtr yf::Virt_db::Frontend::create_backend_from_databases( map_it = m_p->m_maps.find(*db_it); if (map_it == m_p->m_maps.end()) // database not found { + error_code = YAZ_BIB1_DATABASE_UNAVAILABLE; + addinfo = *db_it; BackendPtr ptr; return ptr; } @@ -136,19 +140,22 @@ yf::Virt_db::BackendPtr yf::Virt_db::Frontend::create_backend_from_databases( map_it->second.m_targets.begin(); for (; t_it != map_it->second.m_targets.end(); t_it++) targets_dedup[*t_it] = true; + + // see if we have a route conflict. + if (!first_route && b->m_route != map_it->second.m_route) + { + // we have a conflict.. + error_code = YAZ_BIB1_COMBI_OF_SPECIFIED_DATABASES_UNSUPP; + BackendPtr ptr; + return ptr; + } b->m_route = map_it->second.m_route; + first_route = false; } std::map::const_iterator tm_it = targets_dedup.begin(); for (; tm_it != targets_dedup.end(); tm_it++) b->m_targets.push_back(tm_it->first); -#if 0 - const char *sep = strchr(b->m_vhost.c_str(), '/'); - std::string backend_database; - if (sep) - b->m_backend_database = std::string(sep+1); - else - b->m_backend_database = database; -#endif + return b; } @@ -156,29 +163,30 @@ yf::Virt_db::BackendPtr yf::Virt_db::Frontend::init_backend( std::list databases, Package &package, int &error_code, std::string &addinfo) { - BackendPtr b = create_backend_from_databases(databases); + BackendPtr b = create_backend_from_databases(databases, error_code, + addinfo); if (!b) - { - error_code = YAZ_BIB1_DATABASE_UNAVAILABLE; - // addinfo = database; return b; - } Package init_package(b->m_backend_session, package.origin()); init_package.copy_filter(package); yp2::odr odr; Z_APDU *init_apdu = zget_APDU(odr, Z_APDU_initRequest); - - std::list::const_iterator t_it = b->m_targets.begin(); - int cat = 1; - for (; t_it != b->m_targets.end(); t_it++, cat++) - { - yaz_oi_set_string_oidval(&init_apdu->u.initRequest->otherInfo, odr, - VAL_PROXY, cat, t_it->c_str()); - } + + yp2::util::set_vhost_otherinfo(&init_apdu->u.initRequest->otherInfo, odr, + b->m_targets); Z_InitRequest *req = init_apdu->u.initRequest; + // copy stuff from Frontend Init Request + Z_GDU *org_gdu = m_init_gdu.get(); + Z_InitRequest *org_init = org_gdu->u.z3950->u.initRequest; + + req->idAuthentication = org_init->idAuthentication; + req->implementationId = org_init->implementationId; + req->implementationName = org_init->implementationName; + req->implementationVersion = org_init->implementationVersion; + ODR_MASK_SET(req->options, Z_Options_search); ODR_MASK_SET(req->options, Z_Options_present); ODR_MASK_SET(req->options, Z_Options_namedResultSets); @@ -191,24 +199,24 @@ yf::Virt_db::BackendPtr yf::Virt_db::Frontend::init_backend( init_package.request() = init_apdu; init_package.move(b->m_route); // sending init - - if (init_package.session().is_closed()) - { - error_code = YAZ_BIB1_DATABASE_UNAVAILABLE; - // addinfo = database; - BackendPtr null; - return null; - } + Z_GDU *gdu = init_package.response().get(); // we hope to get an init response if (gdu && gdu->which == Z_GDU_Z3950 && gdu->u.z3950->which == Z_APDU_initResponse) { - if (ODR_MASK_GET(gdu->u.z3950->u.initResponse->options, - Z_Options_namedResultSets)) + Z_InitResponse *res = gdu->u.z3950->u.initResponse; + if (ODR_MASK_GET(res->options, Z_Options_namedResultSets)) { b->m_named_result_sets = true; } + std::cout << "GOT INIT res=" << *res->result << "\n"; + if (!*res->result) + { + yp2::util::get_init_diagnostics(res, error_code, addinfo); + BackendPtr null; + return null; + } } else { @@ -217,6 +225,14 @@ yf::Virt_db::BackendPtr yf::Virt_db::Frontend::init_backend( BackendPtr null; return null; } + if (init_package.session().is_closed()) + { + error_code = YAZ_BIB1_DATABASE_UNAVAILABLE; + // addinfo = database; + BackendPtr null; + return null; + } + m_backend_list.push_back(b); return b; } @@ -317,10 +333,14 @@ void yf::Virt_db::Frontend::search(Package &package, Z_APDU *apdu_req) req->resultSetName = odr_strdup(odr, backend_setname.c_str()); } -#if 0 - const char *backend_database = b->m_backend_database.c_str(); - req->databaseNames[0] = odr_strdup(odr, backend_database); -#endif + // pick first targets spec and move the databases from it .. + std::list::const_iterator t_it = b->m_targets.begin(); + if (t_it != b->m_targets.end()) + { + if (!yp2::util::set_databases_from_zurl(odr, *t_it, + &req->num_databaseNames, + &req->databaseNames)); + } *req->replaceIndicator = 1; @@ -330,10 +350,8 @@ void yf::Virt_db::Frontend::search(Package &package, Z_APDU *apdu_req) if (search_package.session().is_closed()) { - Z_APDU *apdu = - odr.create_searchResponse( - apdu_req, YAZ_BIB1_DATABASE_UNAVAILABLE, 0); - package.response() = apdu; + package.response() = search_package.response(); + package.session().close(); return; } package.response() = search_package.response(); @@ -467,21 +485,18 @@ void yf::Virt_db::Frontend::present(Package &package, Z_APDU *apdu_req) // sending present to backend Package present_package(*id, package.origin()); present_package.copy_filter(package); + + req->resultSetId = odr_strdup(odr, sets_it->second.m_setname.c_str()); - req->resultSetId = odr_strdup(odr, "default"); present_package.request() = yazpp_1::GDU(apdu_req); - present_package.move(); + present_package.move(sets_it->second.m_backend->m_route); if (present_package.session().is_closed()) { - Z_APDU *apdu = - odr.create_presentResponse( - apdu_req, - YAZ_BIB1_RESULT_SET_NO_LONGER_EXISTS_UNILATERALLY_DELETED_BY_, - resultSetId.c_str()); - package.response() = apdu; - m_sets.erase(resultSetId); + package.response() = present_package.response(); + package.session().close(); + return; } else { @@ -534,21 +549,22 @@ void yf::Virt_db::Frontend::scan(Package &package, Z_APDU *apdu_req) scan_package.copy_filter(package); -#if 0 - const char *backend_database = b->m_backend_database.c_str(); - req->databaseNames[0] = odr_strdup(odr, backend_database); -#endif - + // pick first targets spec and move the databases from it .. + std::list::const_iterator t_it = b->m_targets.begin(); + if (t_it != b->m_targets.end()) + { + if (!yp2::util::set_databases_from_zurl(odr, *t_it, + &req->num_databaseNames, + &req->databaseNames)); + } scan_package.request() = yazpp_1::GDU(apdu_req); scan_package.move(b->m_route); if (scan_package.session().is_closed()) { - Z_APDU *apdu = - odr.create_scanResponse( - apdu_req, YAZ_BIB1_DATABASE_UNAVAILABLE, 0); - package.response() = apdu; + package.response() = scan_package.response(); + package.session().close(); return; } package.response() = scan_package.response(); @@ -584,10 +600,12 @@ void yf::Virt_db::process(Package &package) const { Z_InitRequest *req = gdu->u.z3950->u.initRequest; - const char *vhost = - yaz_oi_get_string_oidval(&req->otherInfo, VAL_PROXY, 1, 0); - if (!vhost) + std::list vhosts; + yp2::util::get_vhost_otherinfo(&req->otherInfo, false, vhosts); + if (vhosts.size() == 0) { + f->m_init_gdu = gdu; + yp2::odr odr; Z_APDU *apdu = odr.create_initResponse(gdu->u.z3950, 0, 0); Z_InitResponse *resp = apdu->u.initResponse; @@ -694,10 +712,6 @@ void yp2::filter::Virt_db::configure(const xmlNode * ptr) } std::string route = yp2::xml::get_route(ptr); add_map_db2targets(database, targets, route); -#if 0 - std::cout << "Add " << database << "->" << target - << "," << route << "\n"; -#endif } else {