/* This file is part of Metaproxy.
- Copyright (C) 2005-2011 Index Data
+ 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
#include "sru_util.hpp"
#include "filter_sru_to_z3950.hpp"
-#include <yaz/zgdu.h>
-#include <yaz/z-core.h>
#include <yaz/srw.h>
#include <yaz/pquery.h>
#include <yaz/oid_db.h>
#include <yaz/log.h>
+#include <yaz/otherinfo.h>
+#if YAZ_VERSIONL >= 0x50000
+#include <yaz/facet.h>
+#endif
#include <boost/thread/mutex.hpp>
#include <boost/thread/condition.hpp>
#include <iostream>
#include <sstream>
#include <string>
-/* #include <algorithm> */
#include <map>
namespace mp = metaproxy_1;
namespace metaproxy_1 {
namespace filter {
+ class SRUtoZ3950::Frontend : boost::noncopyable {
+ friend class Impl;
+ bool m_in_use;
+ public:
+ Frontend();
+ ~Frontend();
+ };
class SRUtoZ3950::Impl {
public:
void configure(const xmlNode *xmlnode);
void process(metaproxy_1::Package &package);
private:
+ FrontendPtr get_frontend(mp::Package &package);
+ void release_frontend(mp::Package &package);
std::map<std::string, const xmlNode *> m_database_explain;
+ std::string default_stylesheet;
typedef std::map<std::string, int> ActiveUrlMap;
- boost::mutex m_mutex;
+ boost::mutex m_url_mutex;
boost::condition m_cond_url_ready;
ActiveUrlMap m_active_urls;
+
+
+ boost::mutex m_mutex_session;
+ boost::condition m_cond_session_ready;
+ std::map<mp::Session, FrontendPtr> m_clients;
private:
void sru(metaproxy_1::Package &package, Z_GDU *zgdu_req);
int z3950_build_query(
- mp::odr &odr_en, Z_Query *z_query,
+ mp::odr &odr_en, Z_Query *z_query,
const Z_SRW_searchRetrieveRequest *req
) const;
-
+
bool z3950_init_request(
- mp::Package &package,
+ mp::Package &package,
mp::odr &odr_en,
std::string zurl,
Z_SRW_PDU *sru_pdu_res,
bool z3950_search_request(
mp::Package &package,
+ mp::Package &z3950_package,
mp::odr &odr_en,
Z_SRW_PDU *sru_pdu_res,
Z_SRW_searchRetrieveRequest const *sr_req,
- std::string zurl
+ std::string zurl,
+ std::string db_append
) const;
bool z3950_present_request(
Z_SRW_PDU *sru_pdu_res,
Z_SRW_searchRetrieveRequest const *sr_req
) const;
-
+
bool z3950_to_srw_diagnostics_ok(
- mp::odr &odr_en,
+ mp::odr &odr_en,
Z_SRW_searchRetrieveResponse *srw_res,
Z_Records *records
) const;
-
+
int z3950_to_srw_diag(
- mp::odr &odr_en,
+ mp::odr &odr_en,
Z_SRW_searchRetrieveResponse *srw_res,
Z_DefaultDiagFormat *ddf
) const;
{ // must have a destructor because of boost::scoped_ptr
}
-void yf::SRUtoZ3950::configure(const xmlNode *xmlnode, bool test_only)
+void yf::SRUtoZ3950::configure(const xmlNode *xmlnode, bool test_only,
+ const char *path)
{
m_p->configure(xmlnode);
}
void yf::SRUtoZ3950::Impl::configure(const xmlNode *confignode)
{
const xmlNode * dbnode;
-
+
for (dbnode = confignode->children; dbnode; dbnode = dbnode->next)
{
if (dbnode->type != XML_ELEMENT_NODE)
continue;
-
- std::string database;
- mp::xml::check_element_mp(dbnode, "database");
- for (struct _xmlAttr *attr = dbnode->properties;
- attr; attr = attr->next)
+ if (!strcmp((const char *) dbnode->name, "database"))
{
-
- mp::xml::check_attribute(attr, "", "name");
- database = mp::xml::get_text(attr);
-
- const xmlNode *explainnode;
- for (explainnode = dbnode->children;
- explainnode; explainnode = explainnode->next)
+ std::string database;
+
+ for (struct _xmlAttr *attr = dbnode->properties;
+ attr; attr = attr->next)
{
- if (explainnode->type != XML_ELEMENT_NODE)
- continue;
- if (explainnode)
- break;
+ mp::xml::check_attribute(attr, "", "name");
+ database = mp::xml::get_text(attr);
+
+ const xmlNode *explainnode;
+ for (explainnode = dbnode->children;
+ explainnode; explainnode = explainnode->next)
+ {
+ if (explainnode->type == XML_ELEMENT_NODE)
+ {
+ m_database_explain.insert(
+ std::make_pair(database, explainnode));
+ break;
+ }
+ }
}
- // assigning explain node to database name - no check yet
- m_database_explain.insert(std::make_pair(database, explainnode));
+ }
+ else if (!strcmp((const char *) dbnode->name, "stylesheet"))
+ {
+ default_stylesheet = mp::xml::get_text(dbnode);
+ }
+ else
+ {
+ throw mp::filter::FilterException
+ ("Bad element "
+ + std::string((const char *) dbnode->name)
+ + " in sru_z3950"
+ );
}
}
}
void yf::SRUtoZ3950::Impl::sru(mp::Package &package, Z_GDU *zgdu_req)
{
- bool ok = true;
+ bool ok = true;
mp::odr odr_de(ODR_DECODE);
Z_SRW_PDU *sru_pdu_req = 0;
mp::odr odr_en(ODR_ENCODE);
- Z_SRW_PDU *sru_pdu_res = yaz_srw_get(odr_en, Z_SRW_explain_response);
// determine database with the HTTP header information only
mp_util::SRUServerInfo sruinfo = mp_util::get_sru_server_info(package);
// decode SRU request
Z_SOAP *soap = 0;
char *charset = 0;
- char *stylesheet = 0;
+ const char *stylesheet = 0;
+ Z_SRW_diagnostic *diagnostic = 0;
+ int num_diagnostic = 0;
// filter acts as sink for non-valid SRU requests
- if (! (sru_pdu_req = mp_util::decode_sru_request(package, odr_de, odr_en,
- sru_pdu_res, &soap,
- charset, stylesheet)))
+ if (! (sru_pdu_req = mp_util::decode_sru_request(package, odr_de, odr_en,
+ &diagnostic,
+ &num_diagnostic, &soap,
+ charset)))
{
if (soap)
{
- mp_util::build_sru_explain(package, odr_en, sru_pdu_res,
+ Z_SRW_PDU *sru_pdu_res = yaz_srw_get(odr_en,
+ Z_SRW_explain_response);
+ sru_pdu_res->u.explain_response->diagnostics = diagnostic;
+ sru_pdu_res->u.explain_response->num_diagnostics = num_diagnostic;
+ mp_util::build_sru_explain(package, odr_en, sru_pdu_res,
sruinfo, explainnode);
- mp_util::build_sru_response(package, odr_en, soap,
+ mp_util::build_sru_response(package, odr_en, soap,
sru_pdu_res, charset, stylesheet);
}
else
{
- metaproxy_1::odr odr;
- Z_GDU *zgdu_res =
- odr.create_HTTP_Response(package.session(),
+ metaproxy_1::odr odr;
+ Z_GDU *zgdu_res =
+ odr.create_HTTP_Response(package.session(),
zgdu_req->u.HTTP_Request, 400);
package.response() = zgdu_res;
}
return;
}
-
+
+ bool enable_package_log = false;
std::string zurl;
+ std::string dbargs;
Z_SRW_extra_arg *arg;
for ( arg = sru_pdu_req->extra_args; arg; arg = arg->next)
{
package.origin().set_max_sockets(atoi(arg->value));
}
+ else if (!strcmp(arg->name, "x-session-id"))
+ {
+ package.origin().set_custom_session(arg->value);
+ }
+ else if (!strcmp(arg->name, "x-log-enable"))
+ {
+ if (*arg->value == '1')
+ {
+ enable_package_log = true;
+ package.log_enable();
+ }
+ }
+ else if (!strncmp(arg->name, "x-client-", 9) && arg->value)
+ {
+ if (dbargs.length())
+ dbargs += '&';
+ dbargs += mp_util::uri_encode(arg->name + 9);
+ dbargs += '=';
+ dbargs += mp_util::uri_encode(arg->value);
+ }
assert(sru_pdu_req);
- // filter acts as sink for SRU explain requests
+ Package z3950_package(package.session(), package.origin());
+ z3950_package.copy_filter(package);
+
+ Z_SRW_PDU *sru_pdu_res = 0;
if (sru_pdu_req->which == Z_SRW_explain_request)
{
Z_SRW_explainRequest *er_req = sru_pdu_req->u.explain_request;
- //mp_util::build_simple_explain(package, odr_en, sru_pdu_res,
- // sruinfo, er_req);
- mp_util::build_sru_explain(package, odr_en, sru_pdu_res,
+ stylesheet = er_req->stylesheet;
+ sru_pdu_res = yaz_srw_get_pdu_e(odr_en, Z_SRW_explain_response,
+ sru_pdu_req);
+ sru_pdu_res->u.explain_response->diagnostics = diagnostic;
+ sru_pdu_res->u.explain_response->num_diagnostics = num_diagnostic;
+ mp_util::build_sru_explain(package, odr_en, sru_pdu_res,
sruinfo, explainnode, er_req);
}
- else if (sru_pdu_req->which == Z_SRW_searchRetrieve_request
- && sru_pdu_req->u.request)
- { // searchRetrieve
- Z_SRW_searchRetrieveRequest *sr_req = sru_pdu_req->u.request;
-
- sru_pdu_res = yaz_srw_get(odr_en, Z_SRW_searchRetrieve_response);
+ else if (sru_pdu_req->which == Z_SRW_searchRetrieve_request)
+ {
+ Z_SRW_searchRetrieveRequest *sr_req = sru_pdu_req->u.request;
+ stylesheet = sr_req->stylesheet;
+ sru_pdu_res = yaz_srw_get_pdu_e(odr_en, Z_SRW_searchRetrieve_response,
+ sru_pdu_req);
+ sru_pdu_res->u.response->diagnostics = diagnostic;
+ sru_pdu_res->u.response->num_diagnostics = num_diagnostic;
// checking that we have a query
- ok = mp_util::check_sru_query_exists(package, odr_en,
+ ok = mp_util::check_sru_query_exists(package, odr_en,
sru_pdu_res, sr_req);
if (ok && z3950_init_request(package, odr_en,
zurl, sru_pdu_res, sru_pdu_req))
{
- ok = z3950_search_request(package, odr_en,
- sru_pdu_res, sr_req, zurl);
-
- if (ok
+ ok = z3950_search_request(package, z3950_package, odr_en,
+ sru_pdu_res, sr_req, zurl, dbargs);
+
+ if (ok
&& sru_pdu_res->u.response->numberOfRecords
&& *(sru_pdu_res->u.response->numberOfRecords))
z3950_close_request(package);
}
}
-
- // scan
- else if (sru_pdu_req->which == Z_SRW_scan_request
- && sru_pdu_req->u.scan_request)
+ else if (sru_pdu_req->which == Z_SRW_scan_request)
{
- sru_pdu_res = yaz_srw_get(odr_en, Z_SRW_scan_response);
-
+ stylesheet = sru_pdu_req->u.scan_request->stylesheet;
+ sru_pdu_res = yaz_srw_get_pdu_e(odr_en, Z_SRW_scan_response,
+ sru_pdu_req);
+ sru_pdu_res->u.scan_response->diagnostics = diagnostic;
+ sru_pdu_res->u.scan_response->num_diagnostics = num_diagnostic;
+
// we do not do scan at the moment, therefore issuing a diagnostic
- yaz_add_srw_diagnostic(odr_en,
- &(sru_pdu_res->u.scan_response->diagnostics),
- &(sru_pdu_res->u.scan_response->num_diagnostics),
+ yaz_add_srw_diagnostic(odr_en,
+ &sru_pdu_res->u.scan_response->diagnostics,
+ &sru_pdu_res->u.scan_response->num_diagnostics,
YAZ_SRW_UNSUPP_OPERATION, "scan");
}
else
{
- sru_pdu_res = yaz_srw_get(odr_en, Z_SRW_explain_response);
-
- yaz_add_srw_diagnostic(odr_en,
- &(sru_pdu_res->u.explain_response->diagnostics),
- &(sru_pdu_res->u.explain_response->num_diagnostics),
+ sru_pdu_res =
+ yaz_srw_get_pdu_e(odr_en, Z_SRW_explain_response, sru_pdu_req);
+ sru_pdu_res->u.explain_response->diagnostics = diagnostic;
+ sru_pdu_res->u.explain_response->num_diagnostics = num_diagnostic;
+ yaz_add_srw_diagnostic(odr_en, &diagnostic, &num_diagnostic,
YAZ_SRW_UNSUPP_OPERATION, "unknown");
}
+ if (enable_package_log)
+ {
+ std::string l;
+ package.log_reset(l);
+ if (l.length())
+ {
+ mp::wrbuf w;
+
+ wrbuf_puts(w, "<log>\n");
+ wrbuf_xmlputs(w, l.c_str());
+ wrbuf_puts(w, "</log>");
+
+ sru_pdu_res->extraResponseData_len = w.len();
+ sru_pdu_res->extraResponseData_buf =
+ odr_strdup(odr_en, wrbuf_cstr(w));
+ }
+ }
+ if (!stylesheet && default_stylesheet.length())
+ stylesheet = default_stylesheet.c_str();
// build and send SRU response
- mp_util::build_sru_response(package, odr_en, soap,
+ mp_util::build_sru_response(package, odr_en, soap,
sru_pdu_res, charset, stylesheet);
}
-void yf::SRUtoZ3950::Impl::process(mp::Package &package)
+yf::SRUtoZ3950::Frontend::Frontend() : m_in_use(true)
{
- Z_GDU *zgdu_req = package.request().get();
+}
+
+yf::SRUtoZ3950::Frontend::~Frontend()
+{
+}
+
+
+yf::SRUtoZ3950::FrontendPtr yf::SRUtoZ3950::Impl::get_frontend(
+ mp::Package &package)
+{
+ boost::mutex::scoped_lock lock(m_mutex_session);
+
+ std::map<mp::Session,yf::SRUtoZ3950::FrontendPtr>::iterator it;
- // ignoring all non HTTP_Request packages
- if (!zgdu_req || !(zgdu_req->which == Z_GDU_HTTP_Request))
+ while (true)
{
- package.move();
- return;
+ it = m_clients.find(package.session());
+ if (it == m_clients.end())
+ break;
+
+ if (!it->second->m_in_use)
+ {
+ it->second->m_in_use = true;
+ return it->second;
+ }
+ m_cond_session_ready.wait(lock);
}
-
- // only working on HTTP_Request packages now
+ FrontendPtr f(new Frontend);
+ m_clients[package.session()] = f;
+ f->m_in_use = true;
+ return f;
+}
- // see if HTTP request is already being executed..
- // we consider only the SRU - GET case..
- if (zgdu_req->u.HTTP_Request->content_len == 0)
+void yf::SRUtoZ3950::Impl::release_frontend(mp::Package &package)
+{
+ boost::mutex::scoped_lock lock(m_mutex_session);
+ std::map<mp::Session,FrontendPtr>::iterator it;
+
+ it = m_clients.find(package.session());
+ if (it != m_clients.end())
{
- const char *path = zgdu_req->u.HTTP_Request->path;
- boost::mutex::scoped_lock lock(m_mutex);
- while (1)
+ if (package.session().is_closed())
{
- ActiveUrlMap::iterator it = m_active_urls.find(path);
- if (it == m_active_urls.end())
- {
- m_active_urls[path] = 1;
- break;
- }
- yaz_log(YLOG_LOG, "Waiting for %s to complete", path);
- m_cond_url_ready.wait(lock);
+ m_clients.erase(it);
+ }
+ else
+ {
+ it->second->m_in_use = false;
}
+ m_cond_session_ready.notify_all();
}
- sru(package, zgdu_req);
- if (zgdu_req->u.HTTP_Request->content_len == 0)
+}
+
+void yf::SRUtoZ3950::Impl::process(mp::Package &package)
+{
+ FrontendPtr f = get_frontend(package);
+
+ Z_GDU *zgdu_req = package.request().get();
+
+ if (zgdu_req && zgdu_req->which == Z_GDU_HTTP_Request)
{
- const char *path = zgdu_req->u.HTTP_Request->path;
- boost::mutex::scoped_lock lock(m_mutex);
+ if (zgdu_req->u.HTTP_Request->content_len == 0)
+ {
+ const char *path = zgdu_req->u.HTTP_Request->path;
+ boost::mutex::scoped_lock lock(m_url_mutex);
+ while (1)
+ {
+ ActiveUrlMap::iterator it = m_active_urls.find(path);
+ if (it == m_active_urls.end())
+ {
+ m_active_urls[path] = 1;
+ break;
+ }
+ yaz_log(YLOG_LOG, "Waiting for %s to complete", path);
+ m_cond_url_ready.wait(lock);
+ }
+ }
+ sru(package, zgdu_req);
+ if (zgdu_req && zgdu_req->u.HTTP_Request->content_len == 0)
+ {
+ const char *path = zgdu_req->u.HTTP_Request->path;
+ boost::mutex::scoped_lock lock(m_url_mutex);
- ActiveUrlMap::iterator it = m_active_urls.find(path);
+ ActiveUrlMap::iterator it = m_active_urls.find(path);
- m_active_urls.erase(it);
- m_cond_url_ready.notify_all();
+ m_active_urls.erase(it);
+ m_cond_url_ready.notify_all();
+ }
}
+ else
+ {
+ package.move();
+ }
+ release_frontend(package);
}
-
-bool
-yf::SRUtoZ3950::Impl::z3950_init_request(mp::Package &package,
+bool
+yf::SRUtoZ3950::Impl::z3950_init_request(mp::Package &package,
mp::odr &odr_en,
std::string zurl,
Z_SRW_PDU *sru_pdu_res,
*init_req->preferredMessageSize = 10*1024*1024;
*init_req->maximumRecordSize = 10*1024*1024;
-
+
ODR_MASK_SET(init_req->options, Z_Options_search);
ODR_MASK_SET(init_req->options, Z_Options_present);
ODR_MASK_SET(init_req->options, Z_Options_namedResultSets);
ODR_MASK_SET(init_req->protocolVersion, Z_ProtocolVersion_3);
if (zurl.length())
- {
+ {
std::string host;
std::list<std::string> dblist;
mp_util::split_zurl(zurl, host, dblist);
mp_util::set_vhost_otherinfo(&init_req->otherInfo, odr_en, host, 1);
}
+ Z_GDU *zgdu_req = package.request().get();
+ if (zgdu_req->which == Z_GDU_HTTP_Request)
+ {
+ Z_HTTP_Request *hreq = zgdu_req->u.HTTP_Request;
+ const char *peer_name =
+ z_HTTP_header_lookup(hreq->headers, "X-Forwarded-For");
+ if (peer_name)
+ {
+ yaz_oi_set_string_oid(&init_req->otherInfo, odr_en,
+ yaz_oid_userinfo_client_ip, 1, peer_name);
+ }
+ }
+
z3950_package.request() = apdu;
// send Z3950 package
z3950_package.move();
- // dead Z3950 backend detection
- if (z3950_package.session().is_closed())
- {
- yaz_add_srw_diagnostic(odr_en,
- &(sru_pdu_res->u.response->diagnostics),
- &(sru_pdu_res->u.response->num_diagnostics),
- YAZ_SRW_SYSTEM_TEMPORARILY_UNAVAILABLE, 0);
- return false;
- }
-
// check successful initResponse
Z_GDU *z3950_gdu = z3950_package.response().get();
- if (z3950_gdu && z3950_gdu->which == Z_GDU_Z3950
- && z3950_gdu->u.z3950->which == Z_APDU_initResponse
- && *z3950_gdu->u.z3950->u.initResponse->result)
- return true;
-
+ int error = YAZ_SRW_SYSTEM_TEMPORARILY_UNAVAILABLE;
+ const char *addinfo = 0;
+ if (z3950_gdu && z3950_gdu->which == Z_GDU_Z3950
+ && z3950_gdu->u.z3950->which == Z_APDU_initResponse)
+ {
+ Z_InitResponse *initrs = z3950_gdu->u.z3950->u.initResponse;
+ if (*initrs->result)
+ return true;
+ int no = 0;
+ while (1)
+ {
+ Z_DefaultDiagFormat *df = yaz_decode_init_diag(no, initrs);
+
+ if (!df)
+ break;
+ yaz_add_srw_diagnostic(odr_en,
+ &(sru_pdu_res->u.response->diagnostics),
+ &(sru_pdu_res->u.response->num_diagnostics),
+ yaz_diag_bib1_to_srw(*df->condition),
+ df->u.v2Addinfo);
+ no++;
+ }
+ if (no)
+ return false; // got least one diagnostic from init
+
+ // we just have result=false.
+ error = YAZ_SRW_AUTHENTICATION_ERROR;
+ }
+ else
+ addinfo = "sru_z3950: expected initResponse";
yaz_add_srw_diagnostic(odr_en,
&(sru_pdu_res->u.response->diagnostics),
&(sru_pdu_res->u.response->num_diagnostics),
- YAZ_SRW_SYSTEM_TEMPORARILY_UNAVAILABLE, 0);
+ error, addinfo);
return false;
}
-bool
-yf::SRUtoZ3950::Impl::z3950_close_request(mp::Package &package) const
+bool yf::SRUtoZ3950::Impl::z3950_close_request(mp::Package &package) const
{
- // prepare and close Z3950 package
Package z3950_package(package.session(), package.origin());
z3950_package.copy_filter(package);
z3950_package.session().close();
- // set close APDU
- //mp::odr odr_en(ODR_ENCODE);
- //Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_close);
- //z3950_package.request() = apdu;
-
z3950_package.move();
- // check successful close response
- //Z_GDU *z3950_gdu = z3950_package.response().get();
- //if (z3950_gdu && z3950_gdu->which == Z_GDU_Z3950
- // && z3950_gdu->u.z3950->which == Z_APDU_close)
- // return true;
-
if (z3950_package.session().is_closed())
{
return true;
return false;
}
-bool yf::SRUtoZ3950::Impl::z3950_search_request(mp::Package &package,
+bool yf::SRUtoZ3950::Impl::z3950_search_request(mp::Package &package,
+ mp::Package &z3950_package,
mp::odr &odr_en,
Z_SRW_PDU *sru_pdu_res,
- Z_SRW_searchRetrieveRequest
+ Z_SRW_searchRetrieveRequest
const *sr_req,
- std::string zurl) const
+ std::string zurl,
+ std::string dbappend) const
{
assert(sru_pdu_res->u.response);
- Package z3950_package(package.session(), package.origin());
- z3950_package.copy_filter(package);
-
- //add stuff in z3950 apdu
Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_searchRequest);
Z_SearchRequest *z_searchRequest = apdu->u.searchRequest;
+ // RecordSyntax will always be XML
+ z_searchRequest->preferredRecordSyntax
+ = odr_oiddup(odr_en, yaz_oid_recsyn_xml);
if (!mp_util::set_databases_from_zurl(odr_en, zurl,
&z_searchRequest->num_databaseNames,
&z_searchRequest->databaseNames))
{
- z_searchRequest->num_databaseNames = 1;
- z_searchRequest->databaseNames = (char**)
- odr_malloc(odr_en, sizeof(char *));
+ std::string db;
if (sr_req->database)
- z_searchRequest->databaseNames[0]
- = odr_strdup(odr_en, const_cast<char *>(sr_req->database));
+ db = sr_req->database;
else
- z_searchRequest->databaseNames[0]
- = odr_strdup(odr_en, "Default");
+ db = "Default";
+
+ if (dbappend.length())
+ {
+ db += ",";
+ db += dbappend;
+ }
+ z_searchRequest->num_databaseNames = 1;
+ z_searchRequest->databaseNames = (char**)
+ odr_malloc(odr_en, sizeof(char *));
+ z_searchRequest->databaseNames[0] = odr_strdup(odr_en, db.c_str());
+ }
+#if YAZ_VERSIONL >= 0x50000
+ // yaz_oi_set_facetlist not public in YAZ 4.2.66
+ if (sr_req->facetList)
+ {
+ Z_OtherInformation **oi = &z_searchRequest->additionalSearchInfo;
+ yaz_oi_set_facetlist(oi, odr_en, sr_req->facetList);
}
+#endif
- // z3950'fy query
Z_Query *z_query = (Z_Query *) odr_malloc(odr_en, sizeof(Z_Query));
z_searchRequest->query = z_query;
-
+
int sru_diagnostic = z3950_build_query(odr_en, z_query, sr_req);
if (sru_diagnostic)
- {
+ {
yaz_add_srw_diagnostic(odr_en,
- &(sru_pdu_res->u.response->diagnostics),
- &(sru_pdu_res->u.response->num_diagnostics),
+ &(sru_pdu_res->u.response->diagnostics),
+ &(sru_pdu_res->u.response->num_diagnostics),
sru_diagnostic,
"query");
return false;
}
z3950_package.request() = apdu;
-
- // send Z39.50 package off to backend
- z3950_package.move();
+ z3950_package.move();
Z_GDU *z3950_gdu = z3950_package.response().get();
- //TODO: check success condition
- //int yaz_diag_bib1_to_srw (int bib1_code);
- //int yaz_diag_srw_to_bib1(int srw_code);
- //Se kode i src/seshigh.c (srw_bend_search, srw_bend_init).
-
- if (!z3950_gdu || z3950_gdu->which != Z_GDU_Z3950
+ if (!z3950_gdu || z3950_gdu->which != Z_GDU_Z3950
|| z3950_gdu->u.z3950->which != Z_APDU_searchResponse
|| !z3950_gdu->u.z3950->u.searchResponse
|| !z3950_gdu->u.z3950->u.searchResponse->searchStatus)
YAZ_SRW_SYSTEM_TEMPORARILY_UNAVAILABLE, 0);
return false;
}
-
- // everything fine, continuing
+
Z_SearchResponse *sr = z3950_gdu->u.z3950->u.searchResponse;
- // checking non surrogate diagnostics in Z3950 search response package
- if (!z3950_to_srw_diagnostics_ok(odr_en, sru_pdu_res->u.response,
+ if (!z3950_to_srw_diagnostics_ok(odr_en, sru_pdu_res->u.response,
sr->records))
{
return false;
}
-
- // Finally, roll on and srw'fy number of records
- sru_pdu_res->u.response->numberOfRecords
+#if YAZ_VERSIONL >= 0x50000
+ Z_FacetList *fl = yaz_oi_get_facetlist(&sr->additionalSearchInfo);
+ if (!fl)
+ fl = yaz_oi_get_facetlist(&sr->otherInfo);
+ sru_pdu_res->u.response->facetList = fl;
+#endif
+ sru_pdu_res->u.response->numberOfRecords
= odr_intdup(odr_en, *sr->resultCount);
-
- // srw'fy nextRecordPosition
- //sru_pdu_res->u.response->nextRecordPosition
- // = (int *) odr_malloc(odr_en, sizeof(int *));
- //*(sru_pdu_res->u.response->nextRecordPosition) = 1;
-
return true;
}
-bool
-yf::SRUtoZ3950::Impl::z3950_present_request(
- mp::Package &package,
+bool yf::SRUtoZ3950::Impl::z3950_present_request(
+ mp::Package &package,
mp::odr &odr_en,
Z_SRW_PDU *sru_pdu_res,
const Z_SRW_searchRetrieveRequest *sr_req)
{
send_z3950_present = false;
yaz_add_srw_diagnostic(odr_en,
- &(sru_pdu_res->u.response->diagnostics),
- &(sru_pdu_res->u.response->num_diagnostics),
+ &(sru_pdu_res->u.response->diagnostics),
+ &(sru_pdu_res->u.response->num_diagnostics),
YAZ_SRW_XPATH_RETRIEVAL_UNSUPP, 0);
}
-
+
// resultSetTTL unsupported.
// resultSetIdleTime in response
if (sr_req->resultSetTTL)
{
send_z3950_present = false;
yaz_add_srw_diagnostic(odr_en,
- &(sru_pdu_res->u.response->diagnostics),
- &(sru_pdu_res->u.response->num_diagnostics),
+ &(sru_pdu_res->u.response->diagnostics),
+ &(sru_pdu_res->u.response->num_diagnostics),
YAZ_SRW_RESULT_SETS_UNSUPP, 0);
}
-
+
// sort unsupported
if (sr_req->sort_type != Z_SRW_sort_type_none)
{
send_z3950_present = false;
yaz_add_srw_diagnostic(odr_en,
- &(sru_pdu_res->u.response->diagnostics),
- &(sru_pdu_res->u.response->num_diagnostics),
+ &(sru_pdu_res->u.response->diagnostics),
+ &(sru_pdu_res->u.response->num_diagnostics),
YAZ_SRW_SORT_UNSUPP, 0);
}
-
+
// start record requested negative, or larger than number of records
if (start < 0 || start > *sru_pdu_res->u.response->numberOfRecords)
{
send_z3950_present = false;
yaz_add_srw_diagnostic(odr_en,
- &(sru_pdu_res->u.response->diagnostics),
- &(sru_pdu_res->u.response->num_diagnostics),
+ &(sru_pdu_res->u.response->diagnostics),
+ &(sru_pdu_res->u.response->num_diagnostics),
YAZ_SRW_FIRST_RECORD_POSITION_OUT_OF_RANGE, 0);
- }
-
+ }
+
// maximumRecords requested negative
if (max_recs < 0)
{
send_z3950_present = false;
yaz_add_srw_diagnostic(odr_en,
- &(sru_pdu_res->u.response->diagnostics),
- &(sru_pdu_res->u.response->num_diagnostics),
+ &(sru_pdu_res->u.response->diagnostics),
+ &(sru_pdu_res->u.response->num_diagnostics),
YAZ_SRW_UNSUPP_PARAMETER_VALUE,
"maximumRecords");
- }
+ }
// exit on all these above diagnostics
if (!send_z3950_present)
return false;
-
+
if (max_recs > *sru_pdu_res->u.response->numberOfRecords - start)
max_recs = *sru_pdu_res->u.response->numberOfRecords - start + 1;
{
// now packaging the z3950 present request
Package z3950_package(package.session(), package.origin());
- z3950_package.copy_filter(package);
+ z3950_package.copy_filter(package);
Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_presentRequest);
-
+
assert(apdu->u.presentRequest);
-
+
*apdu->u.presentRequest->resultSetStartPoint = start + num;
*apdu->u.presentRequest->numberOfRecordsRequested = max_recs - num;
-
+
// set response packing to be same as "request" packing..
int record_packing = Z_SRW_recordPacking_XML;
if (sr_req->recordPacking && 's' == *(sr_req->recordPacking))
record_packing = Z_SRW_recordPacking_string;
-
+
// RecordSyntax will always be XML
apdu->u.presentRequest->preferredRecordSyntax
= odr_oiddup(odr_en, yaz_oid_recsyn_xml);
-
+
// z3950'fy record schema
if (sr_req->recordSchema)
{
- apdu->u.presentRequest->recordComposition
- = (Z_RecordComposition *)
+ apdu->u.presentRequest->recordComposition
+ = (Z_RecordComposition *)
odr_malloc(odr_en, sizeof(Z_RecordComposition));
- apdu->u.presentRequest->recordComposition->which
+ apdu->u.presentRequest->recordComposition->which
= Z_RecordComp_simple;
- apdu->u.presentRequest->recordComposition->u.simple
+ apdu->u.presentRequest->recordComposition->u.simple
= mp_util::build_esn_from_schema(odr_en,
- (const char *)
- sr_req->recordSchema);
+ (const char *)
+ sr_req->recordSchema);
}
-
+
// attaching Z3950 package to filter chain
z3950_package.request() = apdu;
-
- // sending Z30.50 present request
+
+ // sending Z30.50 present request
z3950_package.move();
-
+
//check successful Z3950 present response
Z_GDU *z3950_gdu = z3950_package.response().get();
- if (!z3950_gdu || z3950_gdu->which != Z_GDU_Z3950
+ if (!z3950_gdu || z3950_gdu->which != Z_GDU_Z3950
|| z3950_gdu->u.z3950->which != Z_APDU_presentResponse
|| !z3950_gdu->u.z3950->u.presentResponse)
-
+
{
yaz_add_srw_diagnostic(odr_en,
- &(sru_pdu_res->u.response->diagnostics),
- &(sru_pdu_res->u.response->num_diagnostics),
+ &(sru_pdu_res->u.response->diagnostics),
+ &(sru_pdu_res->u.response->num_diagnostics),
YAZ_SRW_SYSTEM_TEMPORARILY_UNAVAILABLE, 0);
return false;
}
// everything fine, continuing
-
+
Z_PresentResponse *pr = z3950_gdu->u.z3950->u.presentResponse;
-
+
// checking non surrogate diagnostics in Z3950 present response package
- if (!z3950_to_srw_diagnostics_ok(odr_en, sru_pdu_res->u.response,
+ if (!z3950_to_srw_diagnostics_ok(odr_en, sru_pdu_res->u.response,
pr->records))
return false;
-
+
// if anything but database or surrogate diagnostics, stop
if (!pr->records || pr->records->which != Z_Records_DBOSD)
break;
for (int i = 0; i < returned_recs; i++)
{
int position = i + *apdu->u.presentRequest->resultSetStartPoint;
- Z_NamePlusRecord *npr
+ Z_NamePlusRecord *npr
= pr->records->u.databaseOrSurDiagnostics->records[i];
-
+
sru_res->records[i + num].recordPacking = record_packing;
-
- if (npr->which == Z_NamePlusRecord_databaseRecord &&
- npr->u.databaseRecord->direct_reference
+
+ if (npr->which == Z_NamePlusRecord_surrogateDiagnostic)
+ {
+ Z_DiagRec *p = npr->u.surrogateDiagnostic;
+ if (p->which == Z_DiagRec_defaultFormat)
+ {
+ Z_DefaultDiagFormat *df = p->u.defaultFormat;
+ int c = yaz_diag_bib1_to_srw(*df->condition);
+
+ yaz_mk_sru_surrogate(
+ odr_en, sru_res->records + i + num, position,
+ c, df->u.v2Addinfo);
+ }
+ else
+ {
+ yaz_mk_sru_surrogate(
+ odr_en, sru_res->records + i + num, position,
+ YAZ_SRW_RECORD_TEMPORARILY_UNAVAILABLE, 0);
+ }
+ }
+ else if (npr->which == Z_NamePlusRecord_databaseRecord &&
+ npr->u.databaseRecord->direct_reference
&& !oid_oidcmp(npr->u.databaseRecord->direct_reference,
yaz_oid_recsyn_xml))
{
// got XML record back
Z_External *r = npr->u.databaseRecord;
- sru_res->records[i + num].recordPosition =
+ sru_res->records[i + num].recordPosition =
odr_intdup(odr_en, position);
sru_res->records[i + num].recordSchema = sr_req->recordSchema;
sru_res->records[i + num].recordData_buf
- = odr_strdupn(odr_en,
- (const char *)r->u.octet_aligned->buf,
+ = odr_strdupn(odr_en,
+ (const char *)r->u.octet_aligned->buf,
r->u.octet_aligned->len);
- sru_res->records[i + num].recordData_len
+ sru_res->records[i + num].recordData_len
= r->u.octet_aligned->len;
}
else
return true;
}
-int yf::SRUtoZ3950::Impl::z3950_build_query(mp::odr &odr_en, Z_Query *z_query,
- const Z_SRW_searchRetrieveRequest *req
+int yf::SRUtoZ3950::Impl::z3950_build_query(
+ mp::odr &odr_en, Z_Query *z_query,
+ const Z_SRW_searchRetrieveRequest *req
) const
-{
- if (req->query_type == Z_SRW_query_type_cql)
+{
+ if (
+#ifdef Z_SRW_query_type_cql
+ req->query_type == Z_SRW_query_type_cql
+#else
+ !strcmp(req->queryType, "cql")
+#endif
+ )
{
- Z_External *ext = (Z_External *)
+ Z_External *ext = (Z_External *)
odr_malloc(odr_en, sizeof(*ext));
- ext->direct_reference =
+ ext->direct_reference =
odr_getoidbystr(odr_en, "1.2.840.10003.16.2");
ext->indirect_reference = 0;
ext->descriptor = 0;
ext->which = Z_External_CQL;
- ext->u.cql = odr_strdup(odr_en, req->query.cql);
-
+ ext->u.cql = odr_strdup(odr_en,
+#ifdef Z_SRW_query_type_cql
+ req->query.cql
+#else
+ req->query
+#endif
+ );
+
z_query->which = Z_Query_type_104;
z_query->u.type_104 = ext;
return 0;
}
- if (req->query_type == Z_SRW_query_type_pqf)
+ if (
+#ifdef Z_SRW_query_type_pqf
+ req->query_type == Z_SRW_query_type_pqf
+#else
+ !strcmp(req->queryType, "pqf")
+#endif
+ )
{
Z_RPNQuery *RPNquery;
YAZ_PQF_Parser pqf_parser;
-
+
pqf_parser = yaz_pqf_create ();
-
- RPNquery = yaz_pqf_parse (pqf_parser, odr_en, req->query.pqf);
+ RPNquery = yaz_pqf_parse (pqf_parser, odr_en,
+#ifdef Z_SRW_query_type_pqf
+ req->query.pqf
+#else
+ req->query
+#endif
+ );
yaz_pqf_destroy(pqf_parser);
if (!RPNquery)
z_query->which = Z_Query_type_1;
z_query->u.type_1 = RPNquery;
-
+
return 0;
}
return YAZ_SRW_MANDATORY_PARAMETER_NOT_SUPPLIED;
}
-
-bool
-yf::SRUtoZ3950::Impl::z3950_to_srw_diagnostics_ok(mp::odr &odr_en,
- Z_SRW_searchRetrieveResponse
- *sru_res,
- Z_Records *records) const
+bool yf::SRUtoZ3950::Impl::z3950_to_srw_diagnostics_ok(
+ mp::odr &odr_en,
+ Z_SRW_searchRetrieveResponse
+ *sru_res,
+ Z_Records *records) const
{
// checking non surrogate diagnostics in Z3950 present response package
- if (records
+ if (records
&& records->which == Z_Records_NSD
&& records->u.nonSurrogateDiagnostic)
{
- z3950_to_srw_diag(odr_en, sru_res,
+ z3950_to_srw_diag(odr_en, sru_res,
records->u.nonSurrogateDiagnostic);
return false;
}
return true;
}
-
-int
-yf::SRUtoZ3950::Impl::z3950_to_srw_diag(mp::odr &odr_en,
- Z_SRW_searchRetrieveResponse *sru_res,
- Z_DefaultDiagFormat *ddf) const
+int yf::SRUtoZ3950::Impl::z3950_to_srw_diag(
+ mp::odr &odr_en,
+ Z_SRW_searchRetrieveResponse *sru_res,
+ Z_DefaultDiagFormat *ddf) const
{
int bib1_code = *ddf->condition;
sru_res->num_diagnostics = 1;
sru_res->diagnostics = (Z_SRW_diagnostic *)
odr_malloc(odr_en, sizeof(*sru_res->diagnostics));
yaz_mk_std_diagnostic(odr_en, sru_res->diagnostics,
- yaz_diag_bib1_to_srw(bib1_code),
+ yaz_diag_bib1_to_srw(bib1_code),
ddf->u.v2Addinfo);
return 0;
}
-
-
static mp::filter::Base* filter_creator()
{
return new mp::filter::SRUtoZ3950;
}
extern "C" {
- struct metaproxy_1_filter_struct metaproxy_1_filter_sru_to_z3950 = {
+ struct metaproxy_1_filter_struct metaproxy_1_filter_sru_z3950 = {
0,
"sru_z3950",
filter_creator
projects / metaproxy-moved-to-github.git / blobdiff