X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;ds=sidebyside;f=src%2Ffilter_virt_db.cpp;h=b58375730014b510646002dc31f3d0e15fe55290;hb=50b8a2a1725e7552986efd893d9f9d0374749fd0;hp=55cb6dfe56d00c138656797583870ab64d30d258;hpb=b0c61b7f8b17d876c88347a96c246c47493140da;p=metaproxy-moved-to-github.git diff --git a/src/filter_virt_db.cpp b/src/filter_virt_db.cpp index 55cb6df..b583757 100644 --- a/src/filter_virt_db.cpp +++ b/src/filter_virt_db.cpp @@ -1,5 +1,5 @@ /* This file is part of Metaproxy. - Copyright (C) 2005-2010 Index Data + Copyright (C) 2005-2012 Index Data Metaproxy is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free @@ -18,20 +18,20 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA #include "config.hpp" -#include "filter.hpp" -#include "package.hpp" +#include "filter_virt_db.hpp" +#include #include #include #include -#include "util.hpp" -#include "filter_virt_db.hpp" +#include #include #include #include #include +#include #include #include @@ -52,6 +52,7 @@ namespace metaproxy_1 { }; struct VirtualDB::Map { Map(std::string database, std::list targets, std::string route); + Map(std::string database, std::string target, std::string route); Map(); bool match(const std::string db) const; std::string m_dbpattern; @@ -79,6 +80,7 @@ namespace metaproxy_1 { void search(Package &package, Z_APDU *apdu); void present(Package &package, Z_APDU *apdu); void scan(Package &package, Z_APDU *apdu); + int relay_apdu(Package &package, Z_APDU *apdu); void close(Package &package); typedef std::map::iterator Sets_it; @@ -107,6 +109,7 @@ namespace metaproxy_1 { FrontendPtr get_frontend(Package &package); void release_frontend(Package &package); + void refresh_torus(); private: std::listm_maps; typedef std::map::iterator Sets_it; @@ -174,7 +177,7 @@ yf::VirtualDB::BackendPtr yf::VirtualDB::Frontend::create_backend_from_databases // see if we have a route conflict. if (!first_route && b->m_route != map_it->m_route) { - // we have a conflict.. + // we have a conflict.. routing must be same for all error_code = YAZ_BIB1_COMBI_OF_SPECIFIED_DATABASES_UNSUPP; BackendPtr ptr; return ptr; @@ -212,6 +215,8 @@ yf::VirtualDB::BackendPtr yf::VirtualDB::Frontend::init_backend( req->implementationId = org_init->implementationId; req->implementationName = org_init->implementationName; req->implementationVersion = org_init->implementationVersion; + *req->preferredMessageSize = *org_init->preferredMessageSize; + *req->maximumRecordSize = *org_init->maximumRecordSize; ODR_MASK_SET(req->options, Z_Options_search); ODR_MASK_SET(req->options, Z_Options_present); @@ -228,21 +233,20 @@ yf::VirtualDB::BackendPtr yf::VirtualDB::Frontend::init_backend( 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) + error_code = YAZ_BIB1_DATABASE_UNAVAILABLE; + if (gdu && gdu->which == Z_GDU_Z3950 + && gdu->u.z3950->which == Z_APDU_initResponse) { Z_InitResponse *res = gdu->u.z3950->u.initResponse; if (ODR_MASK_GET(res->options, Z_Options_namedResultSets)) { b->m_named_result_sets = true; } - if (*res->result) + if (*res->result && !init_package.session().is_closed()) { m_backend_list.push_back(b); return b; - } - error_code = YAZ_BIB1_DATABASE_UNAVAILABLE; mp::util::get_init_diagnostics(res, error_code, addinfo); } if (!init_package.session().is_closed()) @@ -268,7 +272,6 @@ void yf::VirtualDB::Frontend::search(mp::Package &package, Z_APDU *apdu_req) for (i = 0; inum_databaseNames; i++) databases.push_back(req->databaseNames[i]); - BackendPtr b; // null for now Sets_it sets_it = m_sets.find(req->resultSetName); if (sets_it != m_sets.end()) { @@ -287,37 +290,22 @@ void yf::VirtualDB::Frontend::search(mp::Package &package, Z_APDU *apdu_req) return; } sets_it->second.m_backend->m_number_of_sets--; - - // pick up any existing backend with a database match - std::list::const_iterator map_it; - map_it = m_backend_list.begin(); - for (; map_it != m_backend_list.end(); map_it++) - { - BackendPtr tmp = *map_it; - if (tmp->m_frontend_databases == databases) - break; - } - if (map_it != m_backend_list.end()) - b = *map_it; } - else + // pick up any existing database with named result sets .. + // or one which has no result sets.. yet. + BackendPtr b; // null for now + std::list::const_iterator map_it; + map_it = m_backend_list.begin(); + for (; map_it != m_backend_list.end(); map_it++) { - // new result set. - - // pick up any existing database with named result sets .. - // or one which has no result sets.. yet. - std::list::const_iterator map_it; - map_it = m_backend_list.begin(); - for (; map_it != m_backend_list.end(); map_it++) + BackendPtr tmp = *map_it; + if (tmp->m_frontend_databases == databases && + (tmp->m_named_result_sets || + tmp->m_number_of_sets == 0)) { - BackendPtr tmp = *map_it; - if (tmp->m_frontend_databases == databases && - (tmp->m_named_result_sets || - tmp->m_number_of_sets == 0)) - break; - } - if (map_it != m_backend_list.end()) b = *map_it; + break; + } } if (!b) // no backend yet. Must create a new one { @@ -450,6 +438,7 @@ void yf::VirtualDB::Rep::release_frontend(mp::Package &package) } } + yf::VirtualDB::Set::Set(BackendPtr b, std::string setname) : m_backend(b), m_setname(setname) { @@ -471,6 +460,14 @@ yf::VirtualDB::Map::Map(std::string database, { } +yf::VirtualDB::Map::Map(std::string database, + std::string target, std::string route) + : m_dbpattern(database), m_route(route) +{ + m_targets.push_back(target); +} + + yf::VirtualDB::Map::Map() { } @@ -617,6 +614,27 @@ void yf::VirtualDB::Frontend::present(mp::Package &package, Z_APDU *apdu_req) delete id; } +int yf::VirtualDB::Frontend::relay_apdu(mp::Package &package, Z_APDU *apdu_req) +{ + int no = 0; + std::list::const_iterator map_it; + map_it = m_backend_list.begin(); + for (; map_it != m_backend_list.end(); map_it++) + { + BackendPtr b = *map_it; + + Package relay_package(b->m_backend_session, package.origin()); + relay_package.copy_filter(package); + + relay_package.request() = yazpp_1::GDU(apdu_req); + + relay_package.move(b->m_route); + package.response() = relay_package.response(); + no++; + } + return no; +} + void yf::VirtualDB::Frontend::scan(mp::Package &package, Z_APDU *apdu_req) { Z_ScanRequest *req = apdu_req->u.scanRequest; @@ -669,6 +687,7 @@ void yf::VirtualDB::Frontend::scan(mp::Package &package, Z_APDU *apdu_req) &req->num_databaseNames, &req->databaseNames); } + scan_package.request() = yazpp_1::GDU(apdu_req); scan_package.move(b->m_route); @@ -684,8 +703,8 @@ void yf::VirtualDB::Frontend::scan(mp::Package &package, Z_APDU *apdu_req) void yf::VirtualDB::add_map_db2targets(std::string db, - std::list targets, - std::string route) + std::list targets, + std::string route) { m_p->m_maps.push_back( VirtualDB::Map(mp::util::database_name_normalize(db), targets, route)); @@ -693,13 +712,12 @@ void yf::VirtualDB::add_map_db2targets(std::string db, void yf::VirtualDB::add_map_db2target(std::string db, - std::string target, - std::string route) -{ - std::list targets; - targets.push_back(target); + std::string target, + std::string route) - add_map_db2targets(db, targets, route); +{ + m_p->m_maps.push_back( + VirtualDB::Map(mp::util::database_name_normalize(db), target, route)); } void yf::VirtualDB::process(mp::Package &package) const @@ -752,6 +770,9 @@ void yf::VirtualDB::process(mp::Package &package) const else break; + *resp->preferredMessageSize = *req->preferredMessageSize; + *resp->maximumRecordSize = *req->maximumRecordSize; + package.response() = apdu; f->m_is_virtual = true; } @@ -786,7 +807,15 @@ void yf::VirtualDB::process(mp::Package &package) const } else if (apdu->which == Z_APDU_close) { - package.session().close(); + if (f->relay_apdu(package, apdu) == 0) + { + mp::odr odr; + + package.response() = odr.create_close( + apdu, Z_Close_finished, "virt_db"); + + package.session().close(); + } } else { @@ -802,8 +831,8 @@ void yf::VirtualDB::process(mp::Package &package) const m_p->release_frontend(package); } - -void mp::filter::VirtualDB::configure(const xmlNode * ptr, bool test_only) +void mp::filter::VirtualDB::configure(const xmlNode * ptr, bool test_only, + const char *path) { for (ptr = ptr->children; ptr; ptr = ptr->next) { @@ -811,7 +840,7 @@ void mp::filter::VirtualDB::configure(const xmlNode * ptr, bool test_only) continue; if (!strcmp((const char *) ptr->name, "pass-vhosts")) { - m_p->pass_vhosts = mp::xml::get_bool(ptr->children, false); + m_p->pass_vhosts = mp::xml::get_bool(ptr, false); } else if (!strcmp((const char *) ptr->name, "virtual")) { @@ -835,7 +864,10 @@ void mp::filter::VirtualDB::configure(const xmlNode * ptr, bool test_only) ); } std::string route = mp::xml::get_route(ptr); - add_map_db2targets(database, targets, route); + + VirtualDB::Map vmap(mp::util::database_name_normalize(database), + targets, route); + m_p->m_maps.push_back(vmap); } else {