/* This file is part of Metaproxy.
- Copyright (C) 2005-2010 Index Data
+ Copyright (C) 2005-2011 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
#include "config.hpp"
-#include "filter.hpp"
-#include "package.hpp"
+#include "filter_virt_db.hpp"
+#include <metaproxy/package.hpp>
#include <boost/thread/mutex.hpp>
#include <boost/thread/condition.hpp>
#include <boost/shared_ptr.hpp>
-#include "util.hpp"
-#include "filter_virt_db.hpp"
+#include <metaproxy/util.hpp>
#include <yaz/zgdu.h>
#include <yaz/otherinfo.h>
#include <yaz/diagbib1.h>
#include <yaz/match_glob.h>
+#include <yaz/query-charset.h>
+#include <yaz/log.h>
#include <map>
#include <iostream>
};
struct VirtualDB::Map {
Map(std::string database, std::list<std::string> 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;
std::list<std::string> m_targets;
std::string m_route;
+ public:
+ std::string query_encoding;
};
struct VirtualDB::Backend {
mp::Session m_backend_session;
std::list<std::string> m_frontend_databases;
std::list<std::string> m_targets;
std::string m_route;
+ std::string query_encoding;
bool m_named_result_sets;
int m_number_of_sets;
};
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<std::string,VirtualDB::Set>::iterator Sets_it;
FrontendPtr get_frontend(Package &package);
void release_frontend(Package &package);
+ void refresh_torus();
private:
std::list<VirtualDB::Map>m_maps;
typedef std::map<std::string,VirtualDB::Set>::iterator Sets_it;
// 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;
}
b->m_route = map_it->m_route;
+ if (!first_route && b->query_encoding != map_it->query_encoding)
+ {
+ // we have a conflict. query encoding must be same for all
+ error_code = YAZ_BIB1_COMBI_OF_SPECIFIED_DATABASES_UNSUPP;
+ BackendPtr ptr;
+ return ptr;
+ }
+ b->query_encoding = map_it->query_encoding;
first_route = false;
}
return b;
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);
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())
for (i = 0; i<req->num_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())
{
return;
}
sets_it->second.m_backend->m_number_of_sets--;
-
- // pick up any existing backend with a database match
- std::list<BackendPtr>::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<BackendPtr>::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<BackendPtr>::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
{
&req->databaseNames);
}
+ if (b->query_encoding.length() &&
+ (req->query->which == Z_Query_type_1 ||
+ req->query->which == Z_Query_type_101))
+ {
+ yaz_iconv_t cd = yaz_iconv_open(b->query_encoding.c_str(), "UTF-8");
+ if (cd)
+ {
+ int r = yaz_query_charset_convert_rpnquery_check(
+ req->query->u.type_1, odr, cd);
+ yaz_iconv_close(cd);
+ if (r)
+ yaz_log(YLOG_LOG, "query could not be converted");
+ }
+ }
*req->replaceIndicator = 1;
search_package.request() = yazpp_1::GDU(apdu_req);
}
}
+
yf::VirtualDB::Set::Set(BackendPtr b, std::string setname)
: m_backend(b), m_setname(setname)
{
{
}
+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()
{
}
delete id;
}
+int yf::VirtualDB::Frontend::relay_apdu(mp::Package &package, Z_APDU *apdu_req)
+{
+ int no = 0;
+ std::list<BackendPtr>::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;
&req->num_databaseNames,
&req->databaseNames);
}
+
+ if (b->query_encoding.length())
+ {
+ yaz_iconv_t cd = yaz_iconv_open(b->query_encoding.c_str(), "UTF-8");
+ if (cd)
+ {
+ yaz_query_charset_convert_apt(req->termListAndStartPoint, odr, cd);
+ yaz_iconv_close(cd);
+ }
+ }
+
scan_package.request() = yazpp_1::GDU(apdu_req);
scan_package.move(b->m_route);
void yf::VirtualDB::add_map_db2targets(std::string db,
- std::list<std::string> targets,
- std::string route)
+ std::list<std::string> targets,
+ std::string route)
{
m_p->m_maps.push_back(
VirtualDB::Map(mp::util::database_name_normalize(db), targets, route));
void yf::VirtualDB::add_map_db2target(std::string db,
- std::string target,
- std::string route)
-{
- std::list<std::string> 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
else
break;
+ *resp->preferredMessageSize = *req->preferredMessageSize;
+ *resp->maximumRecordSize = *req->maximumRecordSize;
+
package.response() = apdu;
f->m_is_virtual = true;
}
}
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
{
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)
{
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"))
{
+ std::string query_encoding;
std::string database;
std::list<std::string> targets;
xmlNode *v_node = ptr->children;
database = mp::xml::get_text(v_node);
else if (mp::xml::is_element_mp(v_node, "target"))
targets.push_back(mp::xml::get_text(v_node));
+ else if (mp::xml::is_element_mp(v_node, "query-encoding"))
+ targets.push_back(mp::xml::get_text(v_node));
else
throw mp::filter::FilterException
("Bad element "
);
}
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);
+ vmap.query_encoding = query_encoding;
+ m_p->m_maps.push_back(vmap);
}
else
{
projects / metaproxy-moved-to-github.git / blobdiff