-/* $Id: filter_multi.cpp,v 1.30 2008-01-19 09:02:11 adam Exp $
- Copyright (c) 2005-2007, Index Data.
-
-This file is part of Metaproxy.
+/* This file is part of Metaproxy.
+ Copyright (C) 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
for more details.
You should have received a copy of the GNU General Public License
-along with Metaproxy; see the file LICENSE. If not, write to the
-Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA.
- */
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+*/
#include <yaz/log.h>
#include "config.hpp"
-#include "filter.hpp"
-#include "package.hpp"
+#include <metaproxy/filter.hpp>
+#include <metaproxy/package.hpp>
#include <boost/thread/thread.hpp>
#include <boost/thread/mutex.hpp>
#include <boost/thread/condition.hpp>
#include <boost/shared_ptr.hpp>
-#include "util.hpp"
+#include <metaproxy/util.hpp>
#include "filter_multi.hpp"
#include <yaz/zgdu.h>
#include <yaz/otherinfo.h>
#include <yaz/diagbib1.h>
+#include <yaz/match_glob.h>
+#include <yaz/oid_db.h>
#include <vector>
#include <algorithm>
BackendPtr m_backend;
int m_pos; // position for backend (1=first, 2=second,..
int m_start; // present request start
- PresentJob(BackendPtr ptr, int pos) :
+ PresentJob(BackendPtr ptr, int pos) :
m_backend(ptr), m_pos(pos), m_start(0) {};
};
FrontendSet(std::string setname);
std::string m_backend_database;
std::string m_vhost;
std::string m_route;
+ std::string m_auth;
void operator() (void); // thread operation
};
struct Multi::Frontend {
void close(Package &package);
void search(Package &package, Z_APDU *apdu);
void present(Package &package, Z_APDU *apdu);
- void scan1(Package &package, Z_APDU *apdu);
- void scan2(Package &package, Z_APDU *apdu);
+ void scan(Package &package, Z_APDU *apdu);
+ void relay_apdu(Package &package, Z_APDU *apdu);
+ void record_diagnostics(Z_Records *records,
+ Z_DiagRecs * &z_diag,
+ ODR odr,
+ int &no_successful);
Rep *m_p;
- };
- struct Multi::Map {
- Map(std::list<std::string> hosts, std::string route);
- Map();
- std::list<std::string> m_hosts;
+ };
+ class Multi::Map {
+ std::string m_target_pattern;
std::string m_route;
+ std::string m_auth;
+ public:
+ Map(std::string pattern, std::string route, std::string auth) :
+ m_target_pattern(pattern), m_route(route), m_auth(auth) {};
+ bool match(const std::string target, std::string *ret,
+ std::string *auth) const {
+ if (yaz_match_glob(m_target_pattern.c_str(), target.c_str()))
+ {
+ *ret = m_route;
+ *auth = m_auth;
+ return true;
+ }
+ return false;
+ };
};
class Multi::Rep {
friend class Multi;
friend struct Frontend;
-
+
Rep();
FrontendPtr get_frontend(Package &package);
void release_frontend(Package &package);
private:
- std::map<std::string,std::string> m_target_route;
+ std::list<Multi::Map> m_route_patterns;
boost::mutex m_mutex;
boost::condition m_cond_session_ready;
std::map<mp::Session, FrontendPtr> m_clients;
bool m_hide_unavailable;
+ bool m_hide_errors;
multi_merge_type m_merge_type;
};
}
yf::Multi::Rep::Rep()
{
m_hide_unavailable = false;
+ m_hide_errors = false;
m_merge_type = round_robin;
}
boost::mutex::scoped_lock lock(m_mutex);
std::map<mp::Session,yf::Multi::FrontendPtr>::iterator it;
-
+
while(true)
{
it = m_clients.find(package.session());
if (it == m_clients.end())
break;
-
+
if (!it->second->m_in_use)
{
it->second->m_in_use = true;
{
boost::mutex::scoped_lock lock(m_mutex);
std::map<mp::Session,yf::Multi::FrontendPtr>::iterator it;
-
+
it = m_clients.find(package.session());
if (it != m_clients.end())
{
{
}
-yf::Multi::Map::Map(std::list<std::string> hosts, std::string route)
- : m_hosts(hosts), m_route(route)
-{
-}
-
-yf::Multi::Map::Map()
-{
-}
-
yf::Multi::Multi() : m_p(new Multi::Rep)
{
}
}
-void yf::Multi::Backend::operator() (void)
+void yf::Multi::Backend::operator() (void)
{
m_package->move(m_route);
}
std::list<BackendSet>::const_iterator bsit;
int voffset = 0;
int offset = start + i - 1;
- for (bsit = m_backend_sets.begin(); bsit != m_backend_sets.end();
+ for (bsit = m_backend_sets.begin(); bsit != m_backend_sets.end();
bsit++)
{
if (offset >= voffset && offset < voffset + bsit->m_count)
// Yes. skip until start.. Rounding off is deliberate!
min = (start-p) / no_left;
p += no_left * min;
-
+
// update positions in each set..
std::list<int>::iterator psit = pos.begin();
for (psit = pos.begin(); psit != pos.end(); psit++)
}
// skip on each set.. before "present range"..
p = p + skip;
-
+
std::list<int>::iterator psit = pos.begin();
for (psit = pos.begin(); psit != pos.end(); psit++)
*psit += min;
-
+
omin = min; // update so we consider next class (with higher count)
}
#endif
Backend *b = new Backend;
b->m_vhost = *t_it;
- b->m_route = m_p->m_target_route[*t_it];
+ std::list<Multi::Map>::const_iterator it =
+ m_p->m_route_patterns.begin();
+ while (it != m_p->m_route_patterns.end()) {
+ if (it->match(*t_it, &b->m_route, &b->m_auth))
+ break;
+ it++;
+ }
+ // b->m_route = m_p->m_target_route[*t_it];
// b->m_route unset
b->m_package = PackagePtr(new Package(s, package.origin()));
}
m_is_multi = true;
- // create init request
+ // create init request
std::list<BackendPtr>::iterator bit;
for (bit = m_backend_list.begin(); bit != m_backend_list.end(); bit++)
{
mp::odr odr;
BackendPtr b = *bit;
Z_APDU *init_apdu = zget_APDU(odr, Z_APDU_initRequest);
-
+
std::list<std::string>vhost_one;
vhost_one.push_back(b->m_vhost);
mp::util::set_vhost_otherinfo(&init_apdu->u.initRequest->otherInfo,
odr, vhost_one);
- Z_InitRequest *req = init_apdu->u.initRequest;
-
- ODR_MASK_SET(req->options, Z_Options_search);
- ODR_MASK_SET(req->options, Z_Options_present);
- ODR_MASK_SET(req->options, Z_Options_namedResultSets);
- ODR_MASK_SET(req->options, Z_Options_scan);
-
- ODR_MASK_SET(req->protocolVersion, Z_ProtocolVersion_1);
- ODR_MASK_SET(req->protocolVersion, Z_ProtocolVersion_2);
- ODR_MASK_SET(req->protocolVersion, Z_ProtocolVersion_3);
-
+
+ Z_InitRequest *breq = init_apdu->u.initRequest;
+
+ if (b->m_auth.length())
+ {
+ breq->idAuthentication =
+ (Z_IdAuthentication *)
+ odr_malloc(odr, sizeof(*breq->idAuthentication));
+ breq->idAuthentication->which = Z_IdAuthentication_open;
+ breq->idAuthentication->u.open = odr_strdup(odr, b->m_auth.c_str());
+ }
+ else
+ breq->idAuthentication = req->idAuthentication;
+
+ *breq->preferredMessageSize = *req->preferredMessageSize;
+ *breq->maximumRecordSize = *req->maximumRecordSize;
+
+
+ const char *peer_name = yaz_oi_get_string_oid(
+ &req->otherInfo, yaz_oid_userinfo_client_ip, 1, 0);
+ if (peer_name)
+ yaz_oi_set_string_oid(&breq->otherInfo, odr,
+ yaz_oid_userinfo_client_ip, 1, peer_name);
+
+ ODR_MASK_SET(breq->options, Z_Options_search);
+ ODR_MASK_SET(breq->options, Z_Options_present);
+ ODR_MASK_SET(breq->options, Z_Options_namedResultSets);
+ ODR_MASK_SET(breq->options, Z_Options_scan);
+
+ ODR_MASK_SET(breq->protocolVersion, Z_ProtocolVersion_1);
+ ODR_MASK_SET(breq->protocolVersion, Z_ProtocolVersion_2);
+ ODR_MASK_SET(breq->protocolVersion, Z_ProtocolVersion_3);
+
b->m_package->request() = init_apdu;
b->m_package->copy_filter(package);
ODR_MASK_SET(f_resp->options, Z_Options_search);
ODR_MASK_SET(f_resp->options, Z_Options_present);
ODR_MASK_SET(f_resp->options, Z_Options_namedResultSets);
-
+ ODR_MASK_SET(f_resp->options, Z_Options_scan);
+
ODR_MASK_SET(f_resp->protocolVersion, Z_ProtocolVersion_1);
ODR_MASK_SET(f_resp->protocolVersion, Z_ProtocolVersion_2);
ODR_MASK_SET(f_resp->protocolVersion, Z_ProtocolVersion_3);
int no_failed = 0;
int no_succeeded = 0;
+
+ Odr_int preferredMessageSize = *req->preferredMessageSize;
+ Odr_int maximumRecordSize = *req->maximumRecordSize;
for (bit = m_backend_list.begin(); bit != m_backend_list.end(); )
{
PackagePtr p = (*bit)->m_package;
-
+
if (p->session().is_closed())
{
// failed. Remove from list and increment number of failed
bit = m_backend_list.erase(bit);
continue;
}
- no_succeeded++;
-
Z_GDU *gdu = p->response().get();
if (gdu && gdu->which == Z_GDU_Z3950 && gdu->u.z3950->which ==
Z_APDU_initResponse)
for (i = 0; i <= Z_ProtocolVersion_3; i++)
if (!ODR_MASK_GET(b_resp->protocolVersion, i))
ODR_MASK_CLEAR(f_resp->protocolVersion, i);
- // reject if any of the backends reject
- if (!*b_resp->result)
- *f_resp->result = 0;
+ if (*b_resp->result)
+ {
+ no_succeeded++;
+ if (preferredMessageSize > *b_resp->preferredMessageSize)
+ preferredMessageSize = *b_resp->preferredMessageSize;
+ if (maximumRecordSize > *b_resp->maximumRecordSize)
+ maximumRecordSize = *b_resp->maximumRecordSize;
+ }
+ else
+ {
+ if (!f_resp->userInformationField
+ && b_resp->userInformationField)
+ f_resp->userInformationField = b_resp->userInformationField;
+ no_failed++;
+ }
}
else
- {
- // if any target does not return init return that (close or
- // similar )
- package.response() = p->response();
- return;
- }
+ no_failed++;
bit++;
}
+ *f_resp->preferredMessageSize = preferredMessageSize;
+ *f_resp->maximumRecordSize = maximumRecordSize;
+
if (m_p->m_hide_unavailable)
{
if (no_succeeded == 0)
+ {
+ *f_resp->result = 0;
package.session().close();
+ }
}
else
{
if (no_failed)
+ {
+ *f_resp->result = 0;
package.session().close();
+ }
}
package.response() = f_apdu;
}
-void yf::Multi::Frontend::search(mp::Package &package, Z_APDU *apdu_req)
+void yf::Multi::Frontend::record_diagnostics(Z_Records *records,
+ Z_DiagRecs * &z_diag,
+ ODR odr,
+ int &no_successful)
{
- // create search request
- Z_SearchRequest *req = apdu_req->u.searchRequest;
+ // see we get any errors (AKA diagnstics)
+ if (records)
+ {
+ if (records->which == Z_Records_NSD)
+ {
+ if (!z_diag)
+ {
+ z_diag = (Z_DiagRecs *)
+ odr_malloc(odr, sizeof(*z_diag));
+ z_diag->num_diagRecs = 0;
+ z_diag->diagRecs = (Z_DiagRec**)
+ odr_malloc(odr, sizeof(*z_diag->diagRecs));
+ }
+ else
+ {
+ Z_DiagRec **n = (Z_DiagRec **)
+ odr_malloc(odr,
+ (1 + z_diag->num_diagRecs) * sizeof(*n));
+ memcpy(n, z_diag->diagRecs, z_diag->num_diagRecs
+ * sizeof(*n));
+ z_diag->diagRecs = n;
+ }
+ Z_DiagRec *nr = (Z_DiagRec *) odr_malloc(odr, sizeof(*nr));
+ nr->which = Z_DiagRec_defaultFormat;
+ nr->u.defaultFormat =
+ records->u.nonSurrogateDiagnostic;
+ z_diag->diagRecs[z_diag->num_diagRecs++] = nr;
+ }
+ else if (records->which == Z_Records_multipleNSD)
+ {
+ Z_DiagRecs * dr =records->u.multipleNonSurDiagnostics;
- // save these for later
- int smallSetUpperBound = *req->smallSetUpperBound;
- int largeSetLowerBound = *req->largeSetLowerBound;
- int mediumSetPresentNumber = *req->mediumSetPresentNumber;
-
- // they are altered now - to disable piggyback
- *req->smallSetUpperBound = 0;
- *req->largeSetLowerBound = 1;
- *req->mediumSetPresentNumber = 1;
+ if (!z_diag)
+ {
+ z_diag = (Z_DiagRecs *) odr_malloc(odr, sizeof(*z_diag));
+ z_diag->num_diagRecs = 0;
+ z_diag->diagRecs = 0;
+ }
+ Z_DiagRec **n = (Z_DiagRec **)
+ odr_malloc(odr,
+ (dr->num_diagRecs + z_diag->num_diagRecs) *
+ sizeof(*n));
+ if (z_diag->num_diagRecs)
+ memcpy(n, z_diag->diagRecs, z_diag->num_diagRecs * sizeof(*n));
+ memcpy(n + z_diag->num_diagRecs,
+ dr->diagRecs, dr->num_diagRecs * sizeof(*n));
+ z_diag->diagRecs = n;
+ z_diag->num_diagRecs += dr->num_diagRecs;
+ }
+ else
+ no_successful++; // probably piggyback
+ }
+ else
+ no_successful++; // no records and no diagnostics
+}
- int default_num_db = req->num_databaseNames;
- char **default_db = req->databaseNames;
+void yf::Multi::Frontend::search(mp::Package &package, Z_APDU *apdu_req)
+{
+ // create search request
+ Z_SearchRequest *req = apdu_req->u.searchRequest;
std::list<BackendPtr>::const_iterator bit;
for (bit = m_backend_list.begin(); bit != m_backend_list.end(); bit++)
{
PackagePtr p = (*bit)->m_package;
+ yazpp_1::GDU gdu1(apdu_req);
mp::odr odr;
-
+ Z_SearchRequest *req1 = gdu1.get()->u.z3950->u.searchRequest;
+
+ // they are altered now - to disable piggyback
+ *req1->smallSetUpperBound = 0;
+ *req1->largeSetLowerBound = 1;
+ *req1->mediumSetPresentNumber = 0;
+
if (!mp::util::set_databases_from_zurl(odr, (*bit)->m_vhost,
- &req->num_databaseNames,
- &req->databaseNames))
+ &req1->num_databaseNames,
+ &req1->databaseNames))
{
- req->num_databaseNames = default_num_db;
- req->databaseNames = default_db;
+ req1->num_databaseNames = req->num_databaseNames;
+ req1->databaseNames = req->databaseNames;
}
- p->request() = apdu_req;
+ p->request() = gdu1;
p->copy_filter(package);
}
multi_move(m_backend_list);
// look at each response
FrontendSet resultSet(std::string(req->resultSetName));
- int result_set_size = 0;
- Z_Records *z_records_diag = 0; // no diagnostics (yet)
+ mp::odr odr;
+ Odr_int result_set_size = 0;
+ Z_DiagRecs *z_diag = 0;
+ int no_successful = 0;
+ PackagePtr close_p;
+
for (bit = m_backend_list.begin(); bit != m_backend_list.end(); bit++)
{
PackagePtr p = (*bit)->m_package;
-
- if (p->session().is_closed()) // if any backend closes, close frontend
- package.session().close();
-
+
+ // save closing package for at least one target
+ if (p->session().is_closed())
+ close_p = p;
+
Z_GDU *gdu = p->response().get();
if (gdu && gdu->which == Z_GDU_Z3950 && gdu->u.z3950->which ==
Z_APDU_searchResponse)
{
Z_APDU *b_apdu = gdu->u.z3950;
Z_SearchResponse *b_resp = b_apdu->u.searchResponse;
-
- // see we get any errors (AKA diagnstics)
- if (b_resp->records)
- {
- if (b_resp->records->which == Z_Records_NSD
- || b_resp->records->which == Z_Records_multipleNSD)
- z_records_diag = b_resp->records;
- // we may set this multiple times (TOO BAD!)
- }
+
+ record_diagnostics(b_resp->records, z_diag, odr, no_successful);
+
BackendSet backendSet;
backendSet.m_backend = *bit;
backendSet.m_count = *b_resp->resultCount;
result_set_size += *b_resp->resultCount;
resultSet.m_backend_sets.push_back(backendSet);
}
- else
- {
- // if any target does not return search response - return that
- package.response() = p->response();
- return;
- }
}
- mp::odr odr;
Z_APDU *f_apdu = odr.create_searchResponse(apdu_req, 0, 0);
Z_SearchResponse *f_resp = f_apdu->u.searchResponse;
+ yaz_log(YLOG_DEBUG, "no_successful=%d is_closed=%s hide_errors=%s",
+ no_successful,
+ close_p ? "true" : "false",
+ m_p->m_hide_errors ? "true" : "false");
*f_resp->resultCount = result_set_size;
- if (z_records_diag)
+ if (close_p && (no_successful == 0 || !m_p->m_hide_unavailable))
{
- // search error
- f_resp->records = z_records_diag;
- package.response() = f_apdu;
+ package.session().close();
+ package.response() = close_p->response();
return;
}
+ if (z_diag && (no_successful == 0 || !m_p->m_hide_errors))
+ {
+ f_resp->records = (Z_Records *)
+ odr_malloc(odr, sizeof(*f_resp->records));
+ if (z_diag->num_diagRecs > 1)
+ {
+ f_resp->records->which = Z_Records_multipleNSD;
+ f_resp->records->u.multipleNonSurDiagnostics = z_diag;
+ }
+ else
+ {
+ f_resp->records->which = Z_Records_NSD;
+ f_resp->records->u.nonSurrogateDiagnostic =
+ z_diag->diagRecs[0]->u.defaultFormat;
+ }
+ }
// assume OK
m_sets[resultSet.m_setname] = resultSet;
- int number;
- mp::util::piggyback(smallSetUpperBound,
- largeSetLowerBound,
- mediumSetPresentNumber,
- result_set_size,
- number);
+ Odr_int number;
+ mp::util::piggyback(*req->smallSetUpperBound,
+ *req->largeSetLowerBound,
+ *req->mediumSetPresentNumber,
+ 0, 0,
+ result_set_size,
+ number, 0);
Package pp(package.session(), package.origin());
- if (number > 0)
+ if (z_diag == 0 && number > 0)
{
pp.copy_filter(package);
Z_APDU *p_apdu = zget_APDU(odr, Z_APDU_presentRequest);
*p_req->numberOfRecordsRequested = number;
pp.request() = p_apdu;
present(pp, p_apdu);
-
+
if (pp.session().is_closed())
package.session().close();
-
+
Z_GDU *gdu = pp.response().get();
if (gdu && gdu->which == Z_GDU_Z3950 && gdu->u.z3950->which ==
Z_APDU_presentResponse)
{
Z_PresentResponse *p_res = gdu->u.z3950->u.presentResponse;
f_resp->records = p_res->records;
- *f_resp->numberOfRecordsReturned =
+ *f_resp->numberOfRecordsReturned =
*p_res->numberOfRecordsReturned;
- *f_resp->nextResultSetPosition =
+ *f_resp->nextResultSetPosition =
*p_res->nextResultSetPosition;
}
- else
+ else
{
- package.response() = pp.response();
+ package.response() = pp.response();
return;
}
}
void yf::Multi::Frontend::present(mp::Package &package, Z_APDU *apdu_req)
{
- // create present request
+ // create present request
Z_PresentRequest *req = apdu_req->u.presentRequest;
Sets_it it;
if (it == m_sets.end())
{
mp::odr odr;
- Z_APDU *apdu =
+ Z_APDU *apdu =
odr.create_presentResponse(
apdu_req,
YAZ_BIB1_SPECIFIED_RESULT_SET_DOES_NOT_EXIST,
std::list<Multi::FrontendSet::PresentJob>::const_iterator jit;
for (jit = jobs.begin(); jit != jobs.end(); jit++)
{
- yaz_log(YLOG_LOG, "job pos=%d", jit->m_pos);
+ yaz_log(YLOG_DEBUG, "job pos=%d", jit->m_pos);
}
}
*req->resultSetStartPoint = start;
*req->numberOfRecordsRequested = end - start + 1;
-
+
p->request() = apdu_req;
p->copy_filter(package);
multi_move(present_backend_list);
// look at each response
- Z_Records *z_records_diag = 0;
+ Z_DiagRecs *z_diag = 0;
+ int no_successful = 0;
+ mp::odr odr;
+ PackagePtr close_p;
std::list<BackendPtr>::const_iterator pbit = present_backend_list.begin();
for (; pbit != present_backend_list.end(); pbit++)
{
PackagePtr p = (*pbit)->m_package;
-
- if (p->session().is_closed()) // if any backend closes, close frontend
- package.session().close();
-
+
+ // save closing package for at least one target
+ if (p->session().is_closed())
+ close_p = p;
+
Z_GDU *gdu = p->response().get();
if (gdu && gdu->which == Z_GDU_Z3950 && gdu->u.z3950->which ==
Z_APDU_presentResponse)
{
Z_APDU *b_apdu = gdu->u.z3950;
Z_PresentResponse *b_resp = b_apdu->u.presentResponse;
-
- // see we get any errors (AKA diagnstics)
- if (b_resp->records)
- {
- if (b_resp->records->which != Z_Records_DBOSD)
- z_records_diag = b_resp->records;
- // we may set this multiple times (TOO BAD!)
- }
- }
- else
- {
- // if any target does not return present response - return that
- package.response() = p->response();
- return;
+
+ record_diagnostics(b_resp->records, z_diag, odr, no_successful);
}
}
- mp::odr odr;
Z_APDU *f_apdu = odr.create_presentResponse(apdu_req, 0, 0);
Z_PresentResponse *f_resp = f_apdu->u.presentResponse;
- if (z_records_diag)
+ if (close_p && (no_successful == 0 || !m_p->m_hide_errors))
+ {
+ package.session().close();
+ package.response() = close_p->response();
+ return;
+ }
+ if (z_diag && (no_successful == 0 || !m_p->m_hide_errors))
+ {
+ f_resp->records = (Z_Records *)
+ odr_malloc(odr, sizeof(*f_resp->records));
+ if (z_diag->num_diagRecs > 1)
+ {
+ f_resp->records->which = Z_Records_multipleNSD;
+ f_resp->records->u.multipleNonSurDiagnostics = z_diag;
+ }
+ else
+ {
+ f_resp->records->which = Z_Records_NSD;
+ f_resp->records->u.nonSurrogateDiagnostic =
+ z_diag->diagRecs[0]->u.defaultFormat;
+ }
+ }
+ else if (number < 0 || (size_t) number > jobs.size())
{
- f_resp->records = z_records_diag;
- *f_resp->presentStatus = Z_PresentStatus_failure;
+ f_apdu =
+ odr.create_presentResponse(
+ apdu_req,
+ YAZ_BIB1_PRESENT_REQUEST_OUT_OF_RANGE,
+ 0);
}
else
{
odr_malloc(odr, sizeof(Z_NamePlusRecord *) * nprl->num_records);
int i = 0;
std::list<Multi::FrontendSet::PresentJob>::const_iterator jit;
- for (jit = jobs.begin(); jit != jobs.end(); jit++, i++)
+ for (jit = jobs.begin(); jit != jobs.end(); jit++)
{
PackagePtr p = jit->m_backend->m_package;
-
+
Z_GDU *gdu = p->response().get();
Z_APDU *b_apdu = gdu->u.z3950;
- Z_PresentResponse *b_resp = b_apdu->u.presentResponse;
-
- nprl->records[i] = (Z_NamePlusRecord*)
- odr_malloc(odr, sizeof(Z_NamePlusRecord));
int inside_pos = jit->m_pos - jit->m_start;
- if (inside_pos >= b_resp->records->
- u.databaseOrSurDiagnostics->num_records)
- break;
- *nprl->records[i] = *b_resp->records->
- u.databaseOrSurDiagnostics->records[inside_pos];
- nprl->records[i]->databaseName =
+ Z_Records *records = b_apdu->u.presentResponse->records;
+
+ if (records && records->which == Z_Records_DBOSD
+ && inside_pos <
+ records->u.databaseOrSurDiagnostics->num_records)
+ {
+ nprl->records[i] = (Z_NamePlusRecord*)
+ odr_malloc(odr, sizeof(Z_NamePlusRecord));
+ *nprl->records[i] = *records->
+ u.databaseOrSurDiagnostics->records[inside_pos];
+ nprl->records[i]->databaseName =
odr_strdup(odr, jit->m_backend->m_vhost.c_str());
+ i++;
+ }
}
nprl->num_records = i; // usually same as jobs.size();
*f_resp->nextResultSetPosition = start + i;
package.response() = f_apdu;
}
-void yf::Multi::Frontend::scan1(mp::Package &package, Z_APDU *apdu_req)
-{
- if (m_backend_list.size() > 1)
- {
- mp::odr odr;
- Z_APDU *f_apdu =
- odr.create_scanResponse(
- apdu_req, YAZ_BIB1_COMBI_OF_SPECIFIED_DATABASES_UNSUPP, 0);
- package.response() = f_apdu;
- return;
- }
- Z_ScanRequest *req = apdu_req->u.scanRequest;
-
- int default_num_db = req->num_databaseNames;
- char **default_db = req->databaseNames;
-
- std::list<BackendPtr>::const_iterator bit;
- for (bit = m_backend_list.begin(); bit != m_backend_list.end(); bit++)
- {
- PackagePtr p = (*bit)->m_package;
- mp::odr odr;
-
- if (!mp::util::set_databases_from_zurl(odr, (*bit)->m_vhost,
- &req->num_databaseNames,
- &req->databaseNames))
- {
- req->num_databaseNames = default_num_db;
- req->databaseNames = default_db;
- }
- p->request() = apdu_req;
- p->copy_filter(package);
- }
- multi_move(m_backend_list);
-
- for (bit = m_backend_list.begin(); bit != m_backend_list.end(); bit++)
- {
- PackagePtr p = (*bit)->m_package;
-
- if (p->session().is_closed()) // if any backend closes, close frontend
- package.session().close();
-
- Z_GDU *gdu = p->response().get();
- if (gdu && gdu->which == Z_GDU_Z3950 && gdu->u.z3950->which ==
- Z_APDU_scanResponse)
- {
- package.response() = p->response();
- break;
- }
- else
- {
- // if any target does not return scan response - return that
- package.response() = p->response();
- return;
- }
- }
-}
-
bool yf::Multi::ScanTermInfo::operator < (const ScanTermInfo &k) const
{
return m_norm_term < k.m_norm_term;
t->byAttributes = 0;
t->otherTermInfo = 0;
t->globalOccurrences = odr_intdup(odr, m_count);
- t->term = (Z_Term *)
- odr_malloc(odr, sizeof(*t->term));
+ t->term = (Z_Term *) odr_malloc(odr, sizeof(*t->term));
t->term->which = Z_Term_general;
- Odr_oct *o;
- t->term->u.general = o = (Odr_oct *)odr_malloc(odr, sizeof(Odr_oct));
-
- o->len = o->size = m_norm_term.size();
- o->buf = (unsigned char *) odr_malloc(odr, o->len);
- memcpy(o->buf, m_norm_term.c_str(), o->len);
+ t->term->u.general = odr_create_Odr_oct(odr,
+ m_norm_term.c_str(), m_norm_term.size());
return e;
}
-void yf::Multi::Frontend::scan2(mp::Package &package, Z_APDU *apdu_req)
+void yf::Multi::Frontend::relay_apdu(mp::Package &package, Z_APDU *apdu_req)
{
- Z_ScanRequest *req = apdu_req->u.scanRequest;
+ std::list<BackendPtr>::const_iterator bit;
+ for (bit = m_backend_list.begin(); bit != m_backend_list.end(); bit++)
+ {
+ PackagePtr p = (*bit)->m_package;
+ mp::odr odr;
+
+ p->request() = apdu_req;
+ p->copy_filter(package);
+ }
+ multi_move(m_backend_list);
+ for (bit = m_backend_list.begin(); bit != m_backend_list.end(); bit++)
+ {
+ PackagePtr p = (*bit)->m_package;
+
+ if (p->session().is_closed()) // if any backend closes, close frontend
+ package.session().close();
+
+ package.response() = p->response();
+ }
+}
- int default_num_db = req->num_databaseNames;
- char **default_db = req->databaseNames;
+
+void yf::Multi::Frontend::scan(mp::Package &package, Z_APDU *apdu_req)
+{
+ Z_ScanRequest *req = apdu_req->u.scanRequest;
std::list<BackendPtr>::const_iterator bit;
for (bit = m_backend_list.begin(); bit != m_backend_list.end(); bit++)
{
PackagePtr p = (*bit)->m_package;
+ yazpp_1::GDU gdu1(apdu_req);
mp::odr odr;
-
+ Z_ScanRequest *req1 = gdu1.get()->u.z3950->u.scanRequest;
+
if (!mp::util::set_databases_from_zurl(odr, (*bit)->m_vhost,
- &req->num_databaseNames,
- &req->databaseNames))
+ &req1->num_databaseNames,
+ &req1->databaseNames))
{
- req->num_databaseNames = default_num_db;
- req->databaseNames = default_db;
+ req1->num_databaseNames = req->num_databaseNames;
+ req1->databaseNames = req->databaseNames;
}
- p->request() = apdu_req;
+ p->request() = gdu1;
p->copy_filter(package);
}
multi_move(m_backend_list);
for (bit = m_backend_list.begin(); bit != m_backend_list.end(); bit++)
{
PackagePtr p = (*bit)->m_package;
-
+
if (p->session().is_closed()) // if any backend closes, close frontend
package.session().close();
-
+
Z_GDU *gdu = p->response().get();
if (gdu && gdu->which == Z_GDU_Z3950 && gdu->u.z3950->which ==
Z_APDU_scanResponse)
Z_APDU *f_apdu = odr.create_scanResponse(apdu_req, 1, 0);
Z_ScanResponse *f_res = f_apdu->u.scanResponse;
- f_res->entries->nonsurrogateDiagnostics =
+ f_res->entries->nonsurrogateDiagnostics =
res->entries->nonsurrogateDiagnostics;
- f_res->entries->num_nonsurrogateDiagnostics =
+ f_res->entries->num_nonsurrogateDiagnostics =
res->entries->num_nonsurrogateDiagnostics;
package.response() = f_apdu;
{
ScanTermInfo my;
- int *occur = ent->u.termInfo->globalOccurrences;
+ Odr_int *occur = ent->u.termInfo->globalOccurrences;
my.m_count = occur ? *occur : 0;
if (ent->u.termInfo->term->which == Z_Term_general)
}
if (my.m_norm_term.length())
{
- ScanTermInfoList::iterator it =
+ ScanTermInfoList::iterator it =
entries_before.begin();
while (it != entries_before.end() && my <*it)
it++;
- if (my == *it)
+ if (it != entries_before.end() && my == *it)
{
it->m_count += my.m_count;
}
{
ScanTermInfo my;
- int *occur = ent->u.termInfo->globalOccurrences;
+ Odr_int *occur = ent->u.termInfo->globalOccurrences;
my.m_count = occur ? *occur : 0;
if (ent->u.termInfo->term->which == Z_Term_general)
}
if (my.m_norm_term.length())
{
- ScanTermInfoList::iterator it =
+ ScanTermInfoList::iterator it =
entries_after.begin();
while (it != entries_after.end() && *it < my)
it++;
- if (my == *it)
+ if (it != entries_after.end() && my == *it)
{
it->m_count += my.m_count;
}
}
}
- }
+ }
}
else
{
- // if any target does not return scan response - return that
+ // if any target does not return scan response - return that
package.response() = p->response();
return;
}
{
std::cout << " " << it->m_norm_term << " " << it->m_count << "\n";
}
-
+
std::cout << "AFTER\n";
it = entries_after.begin();
for(; it != entries_after.end(); it++)
mp::odr odr;
Z_APDU *f_apdu = odr.create_scanResponse(apdu_req, 0, 0);
Z_ScanResponse *resp = f_apdu->u.scanResponse;
-
+
int number_returned = *req->numberOfTermsRequested;
int position_returned = *req->preferredPositionInResponse;
-
+
resp->entries->num_entries = number_returned;
resp->entries->entries = (Z_Entry**)
odr_malloc(odr, sizeof(Z_Entry*) * number_returned);
FrontendPtr f = m_p->get_frontend(package);
Z_GDU *gdu = package.request().get();
-
+
if (gdu && gdu->which == Z_GDU_Z3950 && gdu->u.z3950->which ==
Z_APDU_initRequest && !f->m_is_multi)
{
if (apdu->which == Z_APDU_initRequest)
{
mp::odr odr;
-
+
package.response() = odr.create_close(
apdu,
Z_Close_protocolError,
"double init");
-
+
package.session().close();
}
else if (apdu->which == Z_APDU_searchRequest)
}
else if (apdu->which == Z_APDU_scanRequest)
{
- f->scan2(package, apdu);
+ f->scan(package, apdu);
+ }
+ else if (apdu->which == Z_APDU_close)
+ {
+ f->relay_apdu(package, apdu);
}
else
{
mp::odr odr;
-
+
package.response() = odr.create_close(
apdu, Z_Close_protocolError,
"unsupported APDU in filter multi");
-
+
package.session().close();
}
}
m_p->release_frontend(package);
}
-void mp::filter::Multi::configure(const xmlNode * ptr)
+void mp::filter::Multi::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, "target"))
{
- std::string route = mp::xml::get_route(ptr);
+ std::string auth;
+ std::string route = mp::xml::get_route(ptr, auth);
std::string target = mp::xml::get_text(ptr);
- std::cout << "route=" << route << " target=" << target << "\n";
- m_p->m_target_route[target] = route;
+ if (target.length() == 0)
+ target = route;
+ m_p->m_route_patterns.push_back(Multi::Map(target, route, auth));
}
else if (!strcmp((const char *) ptr->name, "hideunavailable"))
{
m_p->m_hide_unavailable = true;
}
+ else if (!strcmp((const char *) ptr->name, "hideerrors"))
+ {
+ m_p->m_hide_errors = true;
+ }
else if (!strcmp((const char *) ptr->name, "mergetype"))
{
std::string mergetype = mp::xml::get_text(ptr);
else
{
throw mp::filter::FilterException
- ("Bad element "
+ ("Bad element "
+ std::string((const char *) ptr->name)
+ " in multi filter");
}
/*
* Local variables:
* c-basic-offset: 4
+ * c-file-style: "Stroustrup"
* indent-tabs-mode: nil
- * c-file-style: "stroustrup"
* End:
* vim: shiftwidth=4 tabstop=8 expandtab
*/
+
projects / metaproxy-moved-to-github.git / blobdiff