-/* $Id: filter_virt_db.cpp,v 1.30 2006-01-17 13:54:54 adam Exp $
- Copyright (c) 2005, Index Data.
+/* $Id: filter_virt_db.cpp,v 1.36 2006-03-16 10:40:59 adam Exp $
+ Copyright (c) 2005-2006, Index Data.
%LICENSE%
*/
#include <map>
#include <iostream>
-namespace yf = yp2::filter;
+namespace mp = metaproxy_1;
+namespace yf = mp::filter;
-namespace yp2 {
+namespace metaproxy_1 {
namespace filter {
struct Virt_db::Set {
std::string m_route;
};
struct Virt_db::Backend {
- yp2::Session m_backend_session;
+ mp::Session m_backend_session;
std::list<std::string> m_frontend_databases;
std::list<std::string> m_targets;
std::string m_route;
struct Virt_db::Frontend {
Frontend(Rep *rep);
~Frontend();
- yp2::Session m_session;
+ mp::Session m_session;
bool m_is_virtual;
bool m_in_use;
+ yazpp_1::GDU m_init_gdu;
std::list<BackendPtr> m_backend_list;
std::map<std::string,Virt_db::Set> m_sets;
};
class Virt_db::Rep {
friend class Virt_db;
- friend class Frontend;
+ friend struct Frontend;
FrontendPtr get_frontend(Package &package);
void release_frontend(Package &package);
boost::mutex m_mutex;
boost::condition m_cond_session_ready;
- std::map<yp2::Session, FrontendPtr> m_clients;
+ std::map<mp::Session, FrontendPtr> m_clients;
};
}
}
-using namespace yp2;
+using namespace mp;
yf::Virt_db::BackendPtr yf::Virt_db::Frontend::lookup_backend_from_databases(
std::list<std::string> databases)
Package init_package(b->m_backend_session, package.origin());
init_package.copy_filter(package);
- yp2::odr odr;
+ mp::odr odr;
Z_APDU *init_apdu = zget_APDU(odr, Z_APDU_initRequest);
- std::list<std::string>::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());
- }
-
+ mp::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);
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;
}
+ if (!*res->result)
+ {
+ mp::util::get_init_diagnostics(res, error_code, addinfo);
+ BackendPtr null;
+ return null;
+ }
}
else
{
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;
}
Z_SearchRequest *req = apdu_req->u.searchRequest;
std::string vhost;
std::string resultSetId = req->resultSetName;
- yp2::odr odr;
+ mp::odr odr;
std::list<std::string> databases;
int i;
std::list<std::string>::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,
+ mp::util::set_databases_from_zurl(odr, *t_it,
&req->num_databaseNames,
- &req->databaseNames));
+ &req->databaseNames);
}
*req->replaceIndicator = 1;
{
boost::mutex::scoped_lock lock(m_mutex);
- std::map<yp2::Session,yf::Virt_db::FrontendPtr>::iterator it;
+ std::map<mp::Session,yf::Virt_db::FrontendPtr>::iterator it;
while(true)
{
void yf::Virt_db::Rep::release_frontend(Package &package)
{
boost::mutex::scoped_lock lock(m_mutex);
- std::map<yp2::Session,yf::Virt_db::FrontendPtr>::iterator it;
+ std::map<mp::Session,yf::Virt_db::FrontendPtr>::iterator it;
it = m_clients.find(package.session());
if (it != m_clients.end())
{
Z_PresentRequest *req = apdu_req->u.presentRequest;
std::string resultSetId = req->resultSetId;
- yp2::odr odr;
+ mp::odr odr;
Sets_it sets_it = m_sets.find(resultSetId);
if (sets_it == m_sets.end())
return;
}
Session *id =
- new yp2::Session(sets_it->second.m_backend->m_backend_session);
+ new mp::Session(sets_it->second.m_backend->m_backend_session);
// sending present to backend
Package present_package(*id, package.origin());
{
Z_ScanRequest *req = apdu_req->u.scanRequest;
std::string vhost;
- yp2::odr odr;
+ mp::odr odr;
std::list<std::string> databases;
int i;
std::list<std::string>::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,
+ mp::util::set_databases_from_zurl(odr, *t_it,
&req->num_databaseNames,
- &req->databaseNames));
+ &req->databaseNames);
}
scan_package.request() = yazpp_1::GDU(apdu_req);
{
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<std::string> vhosts;
+ mp::util::get_vhost_otherinfo(&req->otherInfo, false, vhosts);
+ if (vhosts.size() == 0)
{
- yp2::odr odr;
+ f->m_init_gdu = gdu;
+
+ mp::odr odr;
Z_APDU *apdu = odr.create_initResponse(gdu->u.z3950, 0, 0);
Z_InitResponse *resp = apdu->u.initResponse;
Z_APDU *apdu = gdu->u.z3950;
if (apdu->which == Z_APDU_initRequest)
{
- yp2::odr odr;
+ mp::odr odr;
package.response() = odr.create_close(
apdu,
}
else
{
- yp2::odr odr;
+ mp::odr odr;
package.response() = odr.create_close(
apdu, Z_Close_protocolError,
}
-void yp2::filter::Virt_db::configure(const xmlNode * ptr)
+void mp::filter::Virt_db::configure(const xmlNode * ptr)
{
for (ptr = ptr->children; ptr; ptr = ptr->next)
{
if (v_node->type != XML_ELEMENT_NODE)
continue;
- if (yp2::xml::is_element_yp2(v_node, "database"))
- database = yp2::xml::get_text(v_node);
- else if (yp2::xml::is_element_yp2(v_node, "target"))
- targets.push_back(yp2::xml::get_text(v_node));
+ if (mp::xml::is_element_yp2(v_node, "database"))
+ database = mp::xml::get_text(v_node);
+ else if (mp::xml::is_element_yp2(v_node, "target"))
+ targets.push_back(mp::xml::get_text(v_node));
else
- throw yp2::filter::FilterException
+ throw mp::filter::FilterException
("Bad element "
+ std::string((const char *) v_node->name)
+ " in virtual section"
);
}
- std::string route = yp2::xml::get_route(ptr);
+ std::string route = mp::xml::get_route(ptr);
add_map_db2targets(database, targets, route);
}
else
{
- throw yp2::filter::FilterException
+ throw mp::filter::FilterException
("Bad element "
+ std::string((const char *) ptr->name)
+ " in virt_db filter");
}
}
-static yp2::filter::Base* filter_creator()
+static mp::filter::Base* filter_creator()
{
- return new yp2::filter::Virt_db;
+ return new mp::filter::Virt_db;
}
extern "C" {
- struct yp2_filter_struct yp2_filter_virt_db = {
+ struct metaproxy_1_filter_struct metaproxy_1_filter_virt_db = {
0,
"virt_db",
filter_creator