/* This file is part of Metaproxy.
- Copyright (C) 2005-2011 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
*/
#include "config.hpp"
+
+#include <stdlib.h>
+#include <sys/types.h>
#include "filter_zoom.hpp"
-#include <yaz/zoom.h>
-#include <yaz/yaz-version.h>
-#include <yaz/srw.h>
#include <metaproxy/package.hpp>
#include <metaproxy/util.hpp>
+#include <metaproxy/xmlutil.hpp>
#include "torus.hpp"
#include <libxslt/xsltutils.h>
#include <boost/thread/mutex.hpp>
#include <boost/thread/condition.hpp>
+
+#include <yaz/yaz-version.h>
+#include <yaz/tpath.h>
+#include <yaz/srw.h>
#include <yaz/ccl_xml.h>
#include <yaz/ccl.h>
#include <yaz/rpn2cql.h>
#include <yaz/log.h>
#include <yaz/zgdu.h>
#include <yaz/querytowrbuf.h>
+#include <yaz/sortspec.h>
+#include <yaz/tokenizer.h>
+#include <yaz/zoom.h>
namespace mp = metaproxy_1;
namespace yf = mp::filter;
namespace metaproxy_1 {
namespace filter {
- struct Zoom::Searchable : boost::noncopyable {
+ class Zoom::Searchable : boost::noncopyable {
+ public:
std::string authentication;
std::string cfAuth;
std::string cfProxy;
- std::string cfSubDb;
+ std::string cfSubDB;
std::string udb;
std::string target;
std::string query_encoding;
std::string sru;
+ std::string sru_version;
std::string request_syntax;
std::string element_set;
std::string record_encoding;
std::string transform_xsl_fname;
+ std::string transform_xsl_content;
+ std::string urlRecipe;
+ std::string contentConnector;
+ std::string sortStrategy;
bool use_turbomarc;
bool piggyback;
CCL_bibset ccl_bibset;
+ std::map<std::string, std::string> sortmap;
Searchable(CCL_bibset base);
~Searchable();
};
friend class Impl;
friend class Frontend;
std::string zurl;
+ WRBUF m_apdu_wrbuf;
ZOOM_connection m_connection;
ZOOM_resultset m_resultset;
std::string m_frontend_database;
SearchablePtr sptr;
xsltStylesheetPtr xsp;
+ std::string content_session_id;
+ bool enable_cproxy;
+ bool enable_explain;
+ xmlDoc *explain_doc;
public:
- Backend(SearchablePtr sptr);
+ Backend();
~Backend();
- void connect(std::string zurl, int *error, const char **addinfo);
- void search_pqf(const char *pqf, Odr_int *hits,
- int *error, const char **addinfo);
- void search_cql(const char *cql, Odr_int *hits,
- int *error, const char **addinfo);
+ void connect(std::string zurl, int *error, char **addinfo,
+ ODR odr);
+ void search(ZOOM_query q, Odr_int *hits,
+ int *error, char **addinfo, ODR odr);
void present(Odr_int start, Odr_int number, ZOOM_record *recs,
- int *error, const char **addinfo);
+ int *error, char **addinfo, ODR odr);
void set_option(const char *name, const char *value);
+ void set_option(const char *name, std::string value);
const char *get_option(const char *name);
- void get_zoom_error(int *error, const char **addinfo);
+ void get_zoom_error(int *error, char **addinfo, ODR odr);
};
class Zoom::Frontend : boost::noncopyable {
friend class Impl;
BackendPtr m_backend;
void handle_package(mp::Package &package);
void handle_search(mp::Package &package);
+
+ BackendPtr explain_search(mp::Package &package,
+ std::string &database,
+ int *error,
+ char **addinfo,
+ mp::odr &odr,
+ std::string &torus_db,
+ std::string &realm);
void handle_present(mp::Package &package);
- BackendPtr get_backend_from_databases(std::string &database,
+ BackendPtr get_backend_from_databases(mp::Package &package,
+ std::string &database,
int *error,
char **addinfo,
- ODR odr);
- Z_Records *get_records(Odr_int start,
+ mp::odr &odr,
+ int *proxy_step);
+
+ bool create_content_session(mp::Package &package,
+ BackendPtr b,
+ int *error,
+ char **addinfo,
+ ODR odr,
+ std::string authentication,
+ std::string proxy,
+ std::string realm);
+
+ void prepare_elements(BackendPtr b,
+ Odr_oid *preferredRecordSyntax,
+ const char *element_set_name,
+ bool &enable_pz2_retrieval,
+ bool &enable_pz2_transform,
+ bool &assume_marc8_charset);
+
+ Z_Records *get_records(Package &package,
+ Odr_int start,
Odr_int number_to_present,
int *error,
- const char **addinfo,
+ char **addinfo,
Odr_int *number_of_records_returned,
ODR odr, BackendPtr b,
Odr_oid *preferredRecordSyntax,
const char *element_set_name);
+ Z_Records *get_explain_records(Package &package,
+ Odr_int start,
+ Odr_int number_to_present,
+ int *error,
+ char **addinfo,
+ Odr_int *number_of_records_returned,
+ ODR odr, BackendPtr b,
+ Odr_oid *preferredRecordSyntax,
+ const char *element_set_name);
+
+ void log_diagnostic(mp::Package &package,
+ int error, const char *addinfo);
public:
Frontend(Impl *impl);
~Frontend();
Impl();
~Impl();
void process(metaproxy_1::Package & package);
- void configure(const xmlNode * ptr, bool test_only);
+ void configure(const xmlNode * ptr, bool test_only,
+ const char *path);
private:
void configure_local_records(const xmlNode * ptr, bool test_only);
FrontendPtr get_frontend(mp::Package &package);
std::map<mp::Session, FrontendPtr> m_clients;
boost::mutex m_mutex;
boost::condition m_cond_session_ready;
- std::string torus_url;
+ std::string torus_searchable_url;
+ std::string torus_content_url;
+ std::string default_realm;
std::map<std::string,std::string> fieldmap;
std::string xsldir;
+ std::string file_path;
+ std::string content_proxy_server;
+ std::string content_tmp_file;
+ bool apdu_log;
CCL_bibset bibset;
std::string element_transform;
std::string element_raw;
+ std::string proxy;
+ xsltStylesheetPtr explain_xsp;
std::map<std::string,SearchablePtr> s_map;
};
}
}
+
+static xmlNode *xml_node_search(xmlNode *ptr, int *num, int m)
+{
+ while (ptr)
+ {
+ if (ptr->type == XML_ELEMENT_NODE &&
+ !strcmp((const char *) ptr->name, "recordData"))
+ {
+ (*num)++;
+ if (m == *num)
+ return ptr;
+ }
+ else // else: we don't want to find nested nodes
+ {
+ xmlNode *ret_node = xml_node_search(ptr->children, num, m);
+ if (ret_node)
+ return ret_node;
+ }
+ ptr = ptr->next;
+ }
+ return 0;
+}
+
// define Pimpl wrapper forwarding to Impl
yf::Zoom::Zoom() : m_p(new Impl)
{ // must have a destructor because of boost::scoped_ptr
}
-void yf::Zoom::configure(const xmlNode *xmlnode, bool test_only)
+void yf::Zoom::configure(const xmlNode *xmlnode, bool test_only,
+ const char *path)
{
- m_p->configure(xmlnode, test_only);
+ m_p->configure(xmlnode, test_only, path);
}
void yf::Zoom::process(mp::Package &package) const
// define Implementation stuff
-yf::Zoom::Backend::Backend(SearchablePtr ptr) : sptr(ptr)
+yf::Zoom::Backend::Backend()
{
+ m_apdu_wrbuf = wrbuf_alloc();
m_connection = ZOOM_connection_create(0);
+ ZOOM_connection_save_apdu_wrbuf(m_connection, m_apdu_wrbuf);
m_resultset = 0;
xsp = 0;
+ enable_cproxy = true;
+ enable_explain = false;
+ explain_doc = 0;
}
yf::Zoom::Backend::~Backend()
{
if (xsp)
xsltFreeStylesheet(xsp);
+ if (explain_doc)
+ xmlFreeDoc(explain_doc);
ZOOM_connection_destroy(m_connection);
ZOOM_resultset_destroy(m_resultset);
+ wrbuf_destroy(m_apdu_wrbuf);
}
-void yf::Zoom::Backend::get_zoom_error(int *error, const char **addinfo)
+void yf::Zoom::Backend::get_zoom_error(int *error, char **addinfo,
+ ODR odr)
{
const char *msg = 0;
- *error = ZOOM_connection_error(m_connection, &msg, addinfo);
- if (*error)
+ const char *zoom_addinfo = 0;
+ const char *dset = 0;
+ int error0 = ZOOM_connection_error_x(m_connection, &msg,
+ &zoom_addinfo, &dset);
+ if (error0)
{
- if (*error >= ZOOM_ERROR_CONNECT)
- {
- // turn ZOOM diagnostic into a Bib-1 2: with addinfo=zoom err msg
+ if (!dset)
+ dset = "Unknown";
+
+ if (!strcmp(dset, "info:srw/diagnostic/1"))
+ *error = yaz_diag_srw_to_bib1(error0);
+ else if (!strcmp(dset, "Bib-1"))
+ *error = error0;
+ else
*error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
- if (addinfo)
- *addinfo = msg;
+
+ *addinfo = (char *) odr_malloc(
+ odr, 30 + strlen(dset) + strlen(msg) +
+ (zoom_addinfo ? strlen(zoom_addinfo) : 0));
+ **addinfo = '\0';
+ if (zoom_addinfo && *zoom_addinfo)
+ {
+ strcpy(*addinfo, zoom_addinfo);
+ strcat(*addinfo, " ");
}
+ sprintf(*addinfo + strlen(*addinfo), "(%s %d %s)", dset, error0, msg);
}
}
void yf::Zoom::Backend::connect(std::string zurl,
- int *error, const char **addinfo)
+ int *error, char **addinfo,
+ ODR odr)
{
ZOOM_connection_connect(m_connection, zurl.c_str(), 0);
- get_zoom_error(error, addinfo);
+ get_zoom_error(error, addinfo, odr);
}
-void yf::Zoom::Backend::search_pqf(const char *pqf, Odr_int *hits,
- int *error, const char **addinfo)
+void yf::Zoom::Backend::search(ZOOM_query q, Odr_int *hits,
+ int *error, char **addinfo, ODR odr)
{
- m_resultset = ZOOM_connection_search_pqf(m_connection, pqf);
- get_zoom_error(error, addinfo);
- if (*error == 0)
- *hits = ZOOM_resultset_size(m_resultset);
- else
- *hits = 0;
-}
-
-void yf::Zoom::Backend::search_cql(const char *cql, Odr_int *hits,
- int *error, const char **addinfo)
-{
- ZOOM_query q = ZOOM_query_create();
-
- ZOOM_query_cql(q, cql);
-
+ ZOOM_resultset_destroy(m_resultset);
m_resultset = ZOOM_connection_search(m_connection, q);
- ZOOM_query_destroy(q);
- get_zoom_error(error, addinfo);
+ get_zoom_error(error, addinfo, odr);
if (*error == 0)
*hits = ZOOM_resultset_size(m_resultset);
else
void yf::Zoom::Backend::present(Odr_int start, Odr_int number,
ZOOM_record *recs,
- int *error, const char **addinfo)
+ int *error, char **addinfo, ODR odr)
{
ZOOM_resultset_records(m_resultset, recs, start, number);
- get_zoom_error(error, addinfo);
+ get_zoom_error(error, addinfo, odr);
}
void yf::Zoom::Backend::set_option(const char *name, const char *value)
ZOOM_resultset_option_set(m_resultset, name, value);
}
+void yf::Zoom::Backend::set_option(const char *name, std::string value)
+{
+ set_option(name, value.c_str());
+}
+
const char *yf::Zoom::Backend::get_option(const char *name)
{
return ZOOM_connection_option_get(m_connection, name);
{
piggyback = true;
use_turbomarc = true;
+ sortStrategy = "embed";
+ urlRecipe = "${md-electronic-url}";
ccl_bibset = ccl_qual_dup(base);
}
}
}
-yf::Zoom::Impl::Impl() : element_transform("pz2") , element_raw("raw")
+yf::Zoom::Impl::Impl() :
+ apdu_log(false), element_transform("pz2") , element_raw("raw")
{
bibset = ccl_qual_mk();
+
+ explain_xsp = 0;
+ srand((unsigned int) time(0));
}
yf::Zoom::Impl::~Impl()
-{
+{
+ if (explain_xsp)
+ xsltFreeStylesheet(explain_xsp);
ccl_qual_rm(&bibset);
}
s->cfProxy = mp::xml::get_text(ptr);
}
else if (!strcmp((const char *) ptr->name,
- "cfSubDb"))
+ "cfSubDB"))
{
- s->cfSubDb = mp::xml::get_text(ptr);
+ s->cfSubDB = mp::xml::get_text(ptr);
+ }
+ else if (!strcmp((const char *) ptr->name,
+ "contentConnector"))
+ {
+ s->contentConnector = mp::xml::get_text(ptr);
}
else if (!strcmp((const char *) ptr->name, "udb"))
{
{
s->sru = mp::xml::get_text(ptr);
}
+ else if (!strcmp((const char *) ptr->name, "SRUVersion") ||
+ !strcmp((const char *) ptr->name, "sruVersion"))
+ {
+ s->sru_version = mp::xml::get_text(ptr);
+ }
else if (!strcmp((const char *) ptr->name,
"queryEncoding"))
{
s->transform_xsl_fname = mp::xml::get_text(ptr);
}
else if (!strcmp((const char *) ptr->name,
+ "literalTransform"))
+ {
+ s->transform_xsl_content = mp::xml::get_text(ptr);
+ }
+ else if (!strcmp((const char *) ptr->name,
+ "urlRecipe"))
+ {
+ s->urlRecipe = mp::xml::get_text(ptr);
+ }
+ else if (!strcmp((const char *) ptr->name,
"useTurboMarc"))
{
; // useTurboMarc is ignored
"cclmap_", 7))
{
std::string value = mp::xml::get_text(ptr);
- ccl_qual_fitem(s->ccl_bibset, value.c_str(),
- (const char *) ptr->name + 7);
+ if (value.length() > 0)
+ {
+ ccl_qual_fitem(s->ccl_bibset, value.c_str(),
+ (const char *) ptr->name + 7);
+ }
+ }
+ else if (!strncmp((const char *) ptr->name,
+ "sortmap_", 8))
+ {
+ std::string value = mp::xml::get_text(ptr);
+ s->sortmap[(const char *) ptr->name + 8] = value;
+ }
+ else if (!strcmp((const char *) ptr->name,
+ "sortStrategy"))
+ {
+ s->sortStrategy = mp::xml::get_text(ptr);
}
}
return s;
}
}
-void yf::Zoom::Impl::configure(const xmlNode *ptr, bool test_only)
+void yf::Zoom::Impl::configure(const xmlNode *ptr, bool test_only,
+ const char *path)
{
+ std::string explain_xslt_fname;
+
+ content_tmp_file = "/tmp/cf.XXXXXX.p";
+ if (path && *path)
+ {
+ file_path = path;
+ }
for (ptr = ptr->children; ptr; ptr = ptr->next)
{
if (ptr->type != XML_ELEMENT_NODE)
for (attr = ptr->properties; attr; attr = attr->next)
{
if (!strcmp((const char *) attr->name, "url"))
- torus_url = mp::xml::get_text(attr->children);
+ torus_searchable_url = mp::xml::get_text(attr->children);
+ else if (!strcmp((const char *) attr->name, "content_url"))
+ torus_content_url = mp::xml::get_text(attr->children);
+ else if (!strcmp((const char *) attr->name, "realm"))
+ default_realm = mp::xml::get_text(attr->children);
else if (!strcmp((const char *) attr->name, "xsldir"))
xsldir = mp::xml::get_text(attr->children);
else if (!strcmp((const char *) attr->name, "element_transform"))
element_transform = mp::xml::get_text(attr->children);
else if (!strcmp((const char *) attr->name, "element_raw"))
element_raw = mp::xml::get_text(attr->children);
+ else if (!strcmp((const char *) attr->name, "proxy"))
+ proxy = mp::xml::get_text(attr->children);
+ else if (!strcmp((const char *) attr->name, "explain_xsl"))
+ explain_xslt_fname = mp::xml::get_text(attr->children);
else
throw mp::filter::FilterException(
"Bad attribute " + std::string((const char *)
attr->name));
}
+ // If content_url is not given, use value of searchable, to
+ // ensure backwards compatibility
+ if (!torus_content_url.length())
+ torus_content_url = torus_searchable_url;
configure_local_records(ptr->children, test_only);
}
else if (!strcmp((const char *) ptr->name, "cclmap"))
if (cql_field.length())
fieldmap[cql_field] = ccl_field;
}
+ else if (!strcmp((const char *) ptr->name, "contentProxy"))
+ {
+ const struct _xmlAttr *attr;
+ for (attr = ptr->properties; attr; attr = attr->next)
+ {
+ if (!strcmp((const char *) attr->name, "server"))
+ content_proxy_server = mp::xml::get_text(attr->children);
+ else if (!strcmp((const char *) attr->name, "tmp_file"))
+ content_tmp_file = mp::xml::get_text(attr->children);
+ else
+ throw mp::filter::FilterException(
+ "Bad attribute " + std::string((const char *)
+ attr->name));
+ }
+ }
+ else if (!strcmp((const char *) ptr->name, "log"))
+ {
+ const struct _xmlAttr *attr;
+ for (attr = ptr->properties; attr; attr = attr->next)
+ {
+ if (!strcmp((const char *) attr->name, "apdu"))
+ apdu_log = mp::xml::get_bool(attr->children, false);
+ else
+ throw mp::filter::FilterException(
+ "Bad attribute " + std::string((const char *)
+ attr->name));
+ }
+ }
else
{
throw mp::filter::FilterException
+ " in zoom filter");
}
}
+
+ if (explain_xslt_fname.length())
+ {
+ const char *path = 0;
+
+ if (xsldir.length())
+ path = xsldir.c_str();
+ else
+ path = file_path.c_str();
+
+ char fullpath[1024];
+ char *cp = yaz_filepath_resolve(explain_xslt_fname.c_str(),
+ path, 0, fullpath);
+ if (!cp)
+ {
+ throw mp::filter::FilterException
+ ("Cannot read XSLT " + explain_xslt_fname);
+ }
+
+ xmlDoc *xsp_doc = xmlParseFile(cp);
+ if (!xsp_doc)
+ {
+ throw mp::filter::FilterException
+ ("Cannot parse XSLT " + explain_xslt_fname);
+ }
+
+ explain_xsp = xsltParseStylesheetDoc(xsp_doc);
+ if (!explain_xsp)
+ {
+ xmlFreeDoc(xsp_doc);
+ throw mp::filter::FilterException
+ ("Cannot parse XSLT " + explain_xslt_fname);
+
+ }
+ }
+}
+
+bool yf::Zoom::Frontend::create_content_session(mp::Package &package,
+ BackendPtr b,
+ int *error, char **addinfo,
+ ODR odr,
+ std::string authentication,
+ std::string proxy,
+ std::string realm)
+{
+ if (b->sptr->contentConnector.length())
+ {
+ char *fname = (char *) xmalloc(m_p->content_tmp_file.length() + 8);
+ strcpy(fname, m_p->content_tmp_file.c_str());
+ char *xx = strstr(fname, "XXXXXX");
+ if (!xx)
+ {
+ xx = fname + strlen(fname);
+ strcat(fname, "XXXXXX");
+ }
+ char tmp_char = xx[6];
+ sprintf(xx, "%06d", ((unsigned) rand()) % 1000000);
+ xx[6] = tmp_char;
+
+ FILE *file = fopen(fname, "w");
+ if (!file)
+ {
+ package.log("zoom", YLOG_WARN|YLOG_ERRNO, "create %s", fname);
+ *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
+ *addinfo = (char *) odr_malloc(odr, 40 + strlen(fname));
+ sprintf(*addinfo, "Could not create %s", fname);
+ xfree(fname);
+ return false;
+ }
+ b->content_session_id.assign(xx, 6);
+ WRBUF w = wrbuf_alloc();
+ wrbuf_puts(w, "#content_proxy\n");
+ wrbuf_printf(w, "connector: %s\n", b->sptr->contentConnector.c_str());
+ if (authentication.length())
+ wrbuf_printf(w, "auth: %s\n", authentication.c_str());
+ if (proxy.length())
+ wrbuf_printf(w, "proxy: %s\n", proxy.c_str());
+ if (realm.length())
+ wrbuf_printf(w, "realm: %s\n", realm.c_str());
+
+ fwrite(wrbuf_buf(w), 1, wrbuf_len(w), file);
+ fclose(file);
+ package.log("zoom", YLOG_LOG, "content file: %s", fname);
+ xfree(fname);
+ wrbuf_destroy(w);
+ }
+ return true;
}
yf::Zoom::BackendPtr yf::Zoom::Frontend::get_backend_from_databases(
- std::string &database, int *error, char **addinfo, ODR odr)
+ mp::Package &package,
+ std::string &database, int *error, char **addinfo, mp::odr &odr,
+ int *proxy_step)
{
std::list<BackendPtr>::const_iterator map_it;
- if (m_backend && m_backend->m_frontend_database == database)
+ if (m_backend && !m_backend->enable_explain &&
+ m_backend->m_frontend_database == database)
return m_backend;
- std::string db_args;
+ std::string input_args;
std::string torus_db;
size_t db_arg_pos = database.find(',');
if (db_arg_pos != std::string::npos)
{
torus_db = database.substr(0, db_arg_pos);
- db_args = database.substr(db_arg_pos + 1);
+ input_args = database.substr(db_arg_pos + 1);
}
else
torus_db = database;
-
+
+ std::string authentication;
+ std::string content_authentication;
+ std::string proxy;
+ std::string content_proxy;
+ std::string realm = m_p->default_realm;
+
+ const char *param_user = 0;
+ const char *param_password = 0;
+ const char *param_content_user = 0;
+ const char *param_content_password = 0;
+ const char *param_nocproxy = 0;
+ int no_parms = 0;
+
+ char **names;
+ char **values;
+ int no_out_args = 0;
+ if (input_args.length())
+ no_parms = yaz_uri_to_array(input_args.c_str(),
+ odr, &names, &values);
+ // adding 10 because we'll be adding other URL args
+ const char **out_names = (const char **)
+ odr_malloc(odr, (10 + no_parms) * sizeof(*out_names));
+ const char **out_values = (const char **)
+ odr_malloc(odr, (10 + no_parms) * sizeof(*out_values));
+
+ // may be changed if it's a content connection
+ std::string torus_url = m_p->torus_searchable_url;
+ int i;
+ for (i = 0; i < no_parms; i++)
+ {
+ const char *name = names[i];
+ const char *value = values[i];
+ assert(name);
+ assert(value);
+ if (!strcmp(name, "user"))
+ param_user = value;
+ else if (!strcmp(name, "password"))
+ param_password = value;
+ else if (!strcmp(name, "content-user"))
+ param_content_user = value;
+ else if (!strcmp(name, "content-password"))
+ param_content_password = value;
+ else if (!strcmp(name, "content-proxy"))
+ content_proxy = value;
+ else if (!strcmp(name, "nocproxy"))
+ param_nocproxy = value;
+ else if (!strcmp(name, "proxy"))
+ {
+ char **dstr;
+ int dnum = 0;
+ nmem_strsplit(((ODR) odr)->mem, ",", value, &dstr, &dnum);
+ if (*proxy_step >= dnum)
+ *proxy_step = 0;
+ else
+ {
+ proxy = dstr[*proxy_step];
+
+ (*proxy_step)++;
+ if (*proxy_step == dnum)
+ *proxy_step = 0;
+ }
+ }
+ else if (!strcmp(name, "cproxysession"))
+ {
+ out_names[no_out_args] = name;
+ out_values[no_out_args++] = value;
+ torus_url = m_p->torus_content_url;
+ }
+ else if (!strcmp(name, "realm"))
+ realm = value;
+ else if (name[0] == 'x' && name[1] == '-')
+ {
+ out_names[no_out_args] = name;
+ out_values[no_out_args++] = value;
+ }
+ else
+ {
+ BackendPtr notfound;
+ char *msg = (char*) odr_malloc(odr, strlen(name) + 30);
+ *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
+ sprintf(msg, "Bad database argument: %s", name);
+ *addinfo = msg;
+ return notfound;
+ }
+ }
+ if (param_user)
+ {
+ authentication = std::string(param_user);
+ if (param_password)
+ authentication += "/" + std::string(param_password);
+ }
+ if (param_content_user)
+ {
+ content_authentication = std::string(param_content_user);
+ if (param_content_password)
+ content_authentication += "/" + std::string(param_content_password);
+ }
+
+ if (torus_db.compare("IR-Explain---1") == 0)
+ return explain_search(package, database, error, addinfo, odr, torus_db,
+ realm);
+
SearchablePtr sptr;
std::map<std::string,SearchablePtr>::iterator it;
it = m_p->s_map.find(torus_db);
if (it != m_p->s_map.end())
sptr = it->second;
- else
+ else if (torus_url.length() > 0)
{
- xmlDoc *doc = mp::get_searchable(m_p->torus_url, torus_db);
+ std::string torus_query = "udb==" + torus_db;
+ xmlDoc *doc = mp::get_searchable(package,torus_url, torus_db,
+ torus_query,
+ realm, m_p->proxy);
if (!doc)
{
*error = YAZ_BIB1_DATABASE_DOES_NOT_EXIST;
if (ptr->type == XML_ELEMENT_NODE
&& !strcmp((const char *) ptr->name, "record"))
{
+ if (sptr)
+ {
+ *error = YAZ_BIB1_UNSPECIFIED_ERROR;
+ *addinfo = (char*) odr_malloc(odr, 40 + database.length()),
+ sprintf(*addinfo, "multiple records for udb=%s",
+ database.c_str());
+ xmlFreeDoc(doc);
+ BackendPtr b;
+ return b;
+ }
sptr = m_p->parse_torus_record(ptr);
- break;
}
}
}
}
xsltStylesheetPtr xsp = 0;
- if (sptr->transform_xsl_fname.length())
+ if (sptr->transform_xsl_content.length())
+ {
+ xmlDoc *xsp_doc = xmlParseMemory(sptr->transform_xsl_content.c_str(),
+ sptr->transform_xsl_content.length());
+ if (!xsp_doc)
+ {
+ *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
+ *addinfo = (char *) odr_malloc(odr, 40);
+ sprintf(*addinfo, "xmlParseMemory failed");
+ BackendPtr b;
+ return b;
+ }
+ xsp = xsltParseStylesheetDoc(xsp_doc);
+ if (!xsp)
+ {
+ *error = YAZ_BIB1_DATABASE_DOES_NOT_EXIST;
+ *addinfo = odr_strdup(odr, "xsltParseStylesheetDoc failed");
+ BackendPtr b;
+ xmlFreeDoc(xsp_doc);
+ return b;
+ }
+ }
+ else if (sptr->transform_xsl_fname.length())
{
+ const char *path = 0;
+
+ if (m_p->xsldir.length())
+ path = m_p->xsldir.c_str();
+ else
+ path = m_p->file_path.c_str();
std::string fname;
- if (m_p->xsldir.length())
- fname = m_p->xsldir + "/" + sptr->transform_xsl_fname;
+ char fullpath[1024];
+ char *cp = yaz_filepath_resolve(sptr->transform_xsl_fname.c_str(),
+ path, 0, fullpath);
+ if (cp)
+ fname.assign(cp);
else
- fname = sptr->transform_xsl_fname;
+ {
+ *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
+ *addinfo = (char *)
+ odr_malloc(odr, 40 + sptr->transform_xsl_fname.length());
+ sprintf(*addinfo, "File could not be read: %s",
+ sptr->transform_xsl_fname.c_str());
+ BackendPtr b;
+ return b;
+ }
xmlDoc *xsp_doc = xmlParseFile(fname.c_str());
if (!xsp_doc)
{
*error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
- *addinfo = (char *) odr_malloc(odr, 40 + strlen(fname.c_str()));
- sprintf(*addinfo, "xmlParseFile failed. File %s", fname.c_str());
+ *addinfo = (char *) odr_malloc(odr, 40 + fname.length());
+ sprintf(*addinfo, "xmlParseFile failed. File: %s", fname.c_str());
BackendPtr b;
return b;
}
m_backend.reset();
- BackendPtr b(new Backend(sptr));
+ BackendPtr b(new Backend);
+ b->sptr = sptr;
b->xsp = xsp;
b->m_frontend_database = database;
- std::string authentication = sptr->authentication;
-
- b->set_option("timeout", "40");
+ b->enable_cproxy = param_nocproxy ? false : true;
if (sptr->query_encoding.length())
- b->set_option("rpnCharset", sptr->query_encoding.c_str());
+ b->set_option("rpnCharset", sptr->query_encoding);
+
+ b->set_option("timeout", "40");
+
+ if (m_p->apdu_log)
+ b->set_option("apdulog", "1");
+
+ if (sptr->piggyback && sptr->sru.length())
+ b->set_option("count", "1"); /* some SRU servers INSIST on getting
+ maximumRecords > 0 */
+ b->set_option("piggyback", sptr->piggyback ? "1" : "0");
+ if (authentication.length() == 0)
+ authentication = sptr->authentication;
+
+ if (proxy.length() == 0)
+ proxy = sptr->cfProxy;
+
if (sptr->cfAuth.length())
{
// A CF target
- b->set_option("user", sptr->cfAuth.c_str());
- if (authentication.length() && db_args.length() == 0)
+ b->set_option("user", sptr->cfAuth);
+ if (authentication.length())
{
- // no database (auth) args specified already.. and the
- // Torus authentication has it.. Generate the args that CF
- // understands..
size_t found = authentication.find('/');
if (found != std::string::npos)
{
- db_args += "user=" + mp::util::uri_encode(authentication.substr(0, found))
- + "&password=" + mp::util::uri_encode(authentication.substr(found+1));
+ out_names[no_out_args] = "user";
+ out_values[no_out_args++] =
+ odr_strdup(odr, authentication.substr(0, found).c_str());
+
+ out_names[no_out_args] = "password";
+ out_values[no_out_args++] =
+ odr_strdup(odr, authentication.substr(found+1).c_str());
}
else
- db_args += "user=" + mp::util::uri_encode(authentication);
- }
- }
- else
- {
- // A non-CF target
- if (db_args.length())
- {
- // user has specified backend authentication
- const char *param_user = 0;
- const char *param_password = 0;
- char **names;
- char **values;
- int i;
- int no_parms = yaz_uri_to_array(db_args.c_str(),
- odr, &names, &values);
- for (i = 0; i < no_parms; i++)
{
- const char *name = names[i];
- const char *value = values[i];
- if (!strcmp(name, "user"))
- param_user = value;
- else if (!strcmp(name, "password"))
- param_password = value;
- else
- {
- BackendPtr notfound;
- char *msg = (char*) odr_malloc(odr, strlen(name) + 30);
- *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
- sprintf(msg, "Bad database argument: %s", name);
- *addinfo = msg;
- return notfound;
- }
- }
- if (param_user && param_password)
- {
- char *auth = (char*) odr_malloc(
- odr, strlen(param_user) + strlen(param_password) + 2);
- strcpy(auth, param_user);
- strcat(auth, "/");
- strcat(auth, param_password);
- b->set_option("user", auth);
- }
- db_args.clear(); // no arguments to be passed (non-CF)
+ out_names[no_out_args] = "user";
+ out_values[no_out_args++] =
+ odr_strdup(odr, authentication.c_str());
+ }
}
- else
+ if (proxy.length())
{
- // use authentication from Torus, if given
- if (authentication.length())
- b->set_option("user", authentication.c_str());
+ out_names[no_out_args] = "proxy";
+ out_values[no_out_args++] = odr_strdup(odr, proxy.c_str());
+ }
+ if (sptr->cfSubDB.length())
+ {
+ out_names[no_out_args] = "subdatabase";
+ out_values[no_out_args++] = odr_strdup(odr, sptr->cfSubDB.c_str());
+ }
+ if (param_nocproxy)
+ {
+ out_names[no_out_args] = "nocproxy";
+ out_values[no_out_args++] = odr_strdup(odr, param_nocproxy);
}
}
- if (sptr->cfProxy.length())
- {
- if (db_args.length())
- db_args += "&";
- db_args += "proxy=" + mp::util::uri_encode(sptr->cfProxy);
- }
- if (sptr->cfSubDb.length())
+ else
{
- if (db_args.length())
- db_args += "&";
- db_args += "subdatabase=" + mp::util::uri_encode(sptr->cfSubDb);
- }
+ size_t found = authentication.find('/');
+
+ if (sptr->sru.length() && found != std::string::npos)
+ {
+ b->set_option("user", authentication.substr(0, found));
+ b->set_option("password", authentication.substr(found+1));
+ }
+ else
+ b->set_option("user", authentication);
+ if (proxy.length())
+ b->set_option("proxy", proxy);
+ }
+ if (proxy.length())
+ package.log("zoom", YLOG_LOG, "proxy: %s", proxy.c_str());
+
std::string url;
if (sptr->sru.length())
{
url = "http://" + sptr->target;
- b->set_option("sru", sptr->sru.c_str());
+ b->set_option("sru", sptr->sru);
+
+ if (sptr->sru_version.length())
+ b->set_option("sru_version", sptr->sru_version);
}
else
{
url = sptr->target;
}
- if (db_args.length())
- url += "," + db_args;
- yaz_log(YLOG_LOG, "url=%s", url.c_str());
- const char *addinfo_c = 0;
- b->connect(url, error, &addinfo_c);
- if (addinfo_c)
- *addinfo = odr_strdup(odr, addinfo_c);
- if (*error == 0)
+ if (no_out_args)
{
- m_backend = b;
+ char *x_args = 0;
+ out_names[no_out_args] = 0; // terminate list
+
+ yaz_array_to_uri(&x_args, odr, (char **) out_names,
+ (char **) out_values);
+ url += "," + std::string(x_args);
}
+ package.log("zoom", YLOG_LOG, "url: %s", url.c_str());
+ b->connect(url, error, addinfo, odr);
+ if (*error == 0 && b->enable_cproxy)
+ create_content_session(package, b, error, addinfo, odr,
+ content_authentication.length() ?
+ content_authentication : authentication,
+ content_proxy.length() ? content_proxy : proxy,
+ realm);
+ if (*error == 0)
+ m_backend = b;
return b;
}
-Z_Records *yf::Zoom::Frontend::get_records(Odr_int start,
- Odr_int number_to_present,
- int *error,
- const char **addinfo,
- Odr_int *number_of_records_returned,
- ODR odr,
- BackendPtr b,
- Odr_oid *preferredRecordSyntax,
- const char *element_set_name)
-{
- *number_of_records_returned = 0;
- Z_Records *records = 0;
- bool enable_pz2_retrieval = false; // whether target profile is used
- bool enable_pz2_transform = false; // whether XSLT is used as well
-
- if (start < 0 || number_to_present <= 0)
- return records;
-
- if (number_to_present > 10000)
- number_to_present = 10000;
-
- ZOOM_record *recs = (ZOOM_record *)
- odr_malloc(odr, number_to_present * sizeof(*recs));
+void yf::Zoom::Frontend::prepare_elements(BackendPtr b,
+ Odr_oid *preferredRecordSyntax,
+ const char *element_set_name,
+ bool &enable_pz2_retrieval,
+ bool &enable_pz2_transform,
+ bool &assume_marc8_charset)
+{
char oid_name_str[OID_STR_MAX];
const char *syntax_name = 0;
if (enable_pz2_retrieval)
{
- if (b->sptr->request_syntax.length())
- syntax_name = b->sptr->request_syntax.c_str();
+ std::string configured_request_syntax = b->sptr->request_syntax;
+ if (configured_request_syntax.length())
+ {
+ syntax_name = configured_request_syntax.c_str();
+ const Odr_oid *syntax_oid =
+ yaz_string_to_oid(yaz_oid_std(), CLASS_RECSYN, syntax_name);
+ if (!oid_oidcmp(syntax_oid, yaz_oid_recsyn_usmarc)
+ || !oid_oidcmp(syntax_oid, yaz_oid_recsyn_opac))
+ assume_marc8_charset = true;
+ }
}
else if (preferredRecordSyntax)
syntax_name =
yaz_oid_to_string_buf(preferredRecordSyntax, 0, oid_name_str);
+ if (b->sptr->sru.length())
+ syntax_name = "XML";
+
b->set_option("preferredRecordSyntax", syntax_name);
if (enable_pz2_retrieval)
}
b->set_option("elementSetName", element_set_name);
+ if (b->sptr->sru.length() && element_set_name)
+ b->set_option("schema", element_set_name);
+}
- b->present(start, number_to_present, recs, error, addinfo);
+Z_Records *yf::Zoom::Frontend::get_explain_records(
+ Package &package,
+ Odr_int start,
+ Odr_int number_to_present,
+ int *error,
+ char **addinfo,
+ Odr_int *number_of_records_returned,
+ ODR odr,
+ BackendPtr b,
+ Odr_oid *preferredRecordSyntax,
+ const char *element_set_name)
+{
+ Odr_int i;
+ Z_Records *records = 0;
+
+ if (!b->explain_doc)
+ {
+ return records;
+ }
+ if (number_to_present > 10000)
+ number_to_present = 10000;
+
+ xmlNode *ptr = xmlDocGetRootElement(b->explain_doc);
+
+ Z_NamePlusRecordList *npl = (Z_NamePlusRecordList *)
+ odr_malloc(odr, sizeof(*npl));
+ npl->records = (Z_NamePlusRecord **)
+ odr_malloc(odr, number_to_present * sizeof(*npl->records));
+
+ for (i = 0; i < number_to_present; i++)
+ {
+ int num = 0;
+ xmlNode *res = xml_node_search(ptr, &num, start + i + 1);
+ if (!res)
+ break;
+ xmlBufferPtr xml_buf = xmlBufferCreate();
+ xmlNode *tmp_node = xmlCopyNode(res->children, 1);
+ xmlNodeDump(xml_buf, tmp_node->doc, tmp_node, 0, 0);
+
+ Z_NamePlusRecord *npr =
+ (Z_NamePlusRecord *) odr_malloc(odr, sizeof(*npr));
+ npr->databaseName = odr_strdup(odr, b->m_frontend_database.c_str());
+ npr->which = Z_NamePlusRecord_databaseRecord;
+ npr->u.databaseRecord =
+ z_ext_record_xml(odr,
+ (const char *) xml_buf->content, xml_buf->use);
+ npl->records[i] = npr;
+ xmlFreeNode(tmp_node);
+ xmlBufferFree(xml_buf);
+ }
+ records = (Z_Records*) odr_malloc(odr, sizeof(*records));
+ records->which = Z_Records_DBOSD;
+ records->u.databaseOrSurDiagnostics = npl;
- Odr_int i = 0;
+ npl->num_records = i;
+ *number_of_records_returned = i;
+ return records;
+}
+
+
+Z_Records *yf::Zoom::Frontend::get_records(Package &package,
+ Odr_int start,
+ Odr_int number_to_present,
+ int *error,
+ char **addinfo,
+ Odr_int *number_of_records_returned,
+ ODR odr,
+ BackendPtr b,
+ Odr_oid *preferredRecordSyntax,
+ const char *element_set_name)
+{
+ *number_of_records_returned = 0;
+ Z_Records *records = 0;
+ bool enable_pz2_retrieval = false; // whether target profile is used
+ bool enable_pz2_transform = false; // whether XSLT is used as well
+ bool assume_marc8_charset = false;
+
+ prepare_elements(b, preferredRecordSyntax,
+ element_set_name,
+ enable_pz2_retrieval,
+ enable_pz2_transform,
+ assume_marc8_charset);
+
+ package.log("zoom", YLOG_LOG, "pz2_retrieval: %s . pz2_transform: %s",
+ enable_pz2_retrieval ? "yes" : "no",
+ enable_pz2_transform ? "yes" : "no");
+
+ if (start < 0 || number_to_present <=0)
+ return records;
+
+ if (number_to_present > 10000)
+ number_to_present = 10000;
+
+ ZOOM_record *recs = (ZOOM_record *)
+ odr_malloc(odr, (size_t) number_to_present * sizeof(*recs));
+
+ b->present(start, number_to_present, recs, error, addinfo, odr);
+
+ int i = 0;
if (!*error)
{
for (i = 0; i < number_to_present; i++)
{
Z_NamePlusRecord *npr = 0;
const char *addinfo;
+
int sur_error = ZOOM_record_error(recs[i], 0 /* msg */,
&addinfo, 0 /* diagset */);
if (sur_error)
{
+ log_diagnostic(package, sur_error, addinfo);
npr = zget_surrogateDiagRec(odr, odr_database, sur_error,
addinfo);
}
else if (enable_pz2_retrieval)
{
char rec_type_str[100];
+ const char *record_encoding = 0;
- strcpy(rec_type_str, b->sptr->use_turbomarc ?
- "txml" : "xml");
- // prevent buffer overflow ...
- if (b->sptr->record_encoding.length() > 0 &&
- b->sptr->record_encoding.length() <
- (sizeof(rec_type_str)-20))
+ if (b->sptr->record_encoding.length())
+ record_encoding = b->sptr->record_encoding.c_str();
+ else if (assume_marc8_charset)
+ record_encoding = "marc8";
+
+ strcpy(rec_type_str, b->sptr->use_turbomarc ? "txml" : "xml");
+ if (record_encoding)
{
strcat(rec_type_str, "; charset=");
- strcat(rec_type_str, b->sptr->record_encoding.c_str());
+ strcat(rec_type_str, record_encoding);
}
-
+
+ package.log("zoom", YLOG_LOG, "Getting record of type %s",
+ rec_type_str);
int rec_len;
+ xmlChar *xmlrec_buf = 0;
const char *rec_buf = ZOOM_record_get(recs[i], rec_type_str,
&rec_len);
+ if (!rec_buf && !npr)
+ {
+ std::string addinfo("ZOOM_record_get failed for type ");
+
+ int error = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
+ addinfo += rec_type_str;
+ log_diagnostic(package, error, addinfo.c_str());
+ npr = zget_surrogateDiagRec(odr, odr_database,
+ error, addinfo.c_str());
+ }
+ else
+ {
+ package.log_write(rec_buf, rec_len);
+ package.log_write("\r\n", 2);
+ }
+
if (rec_buf && b->xsp && enable_pz2_transform)
{
xmlDoc *rec_doc = xmlParseMemory(rec_buf, rec_len);
- if (rec_doc)
+ if (!rec_doc)
+ {
+ const char *addinfo = "xml parse failed for record";
+ int error = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
+ log_diagnostic(package, error, addinfo);
+ npr = zget_surrogateDiagRec(
+ odr, odr_database, error, addinfo);
+ }
+ else
{
- xmlDoc *rec_res;
- rec_res = xsltApplyStylesheet(b->xsp, rec_doc, 0);
+ xmlDoc *rec_res =
+ xsltApplyStylesheet(b->xsp, rec_doc, 0);
if (rec_res)
- xsltSaveResultToString((xmlChar **) &rec_buf, &rec_len,
+ {
+ xsltSaveResultToString(&xmlrec_buf, &rec_len,
rec_res, b->xsp);
+ rec_buf = (const char *) xmlrec_buf;
+ package.log("zoom", YLOG_LOG, "xslt successful");
+ package.log_write(rec_buf, rec_len);
+
+ xmlFreeDoc(rec_res);
+ }
+ if (!rec_buf)
+ {
+ std::string addinfo;
+ int error =
+ YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
+
+ addinfo = "xslt apply failed for "
+ + b->sptr->transform_xsl_fname;
+ log_diagnostic(package, error, addinfo.c_str());
+ npr = zget_surrogateDiagRec(
+ odr, odr_database, error, addinfo.c_str());
+ }
+ xmlFreeDoc(rec_doc);
}
}
- if (rec_buf)
+ if (rec_buf && b->enable_cproxy)
{
- npr = (Z_NamePlusRecord *) odr_malloc(odr, sizeof(*npr));
- npr->databaseName = odr_database;
- npr->which = Z_NamePlusRecord_databaseRecord;
- npr->u.databaseRecord =
- z_ext_record_xml(odr, rec_buf, rec_len);
+ xmlDoc *doc = xmlParseMemory(rec_buf, rec_len);
+ std::string res =
+ mp::xml::url_recipe_handle(doc, b->sptr->urlRecipe);
+ if (res.length() && b->content_session_id.length())
+ {
+ size_t off = res.find_first_of("://");
+ if (off != std::string::npos)
+ {
+ char tmp[1024];
+ sprintf(tmp, "%s.%s/",
+ b->content_session_id.c_str(),
+ m_p->content_proxy_server.c_str());
+ res.insert(off + 3, tmp);
+ }
+ }
+ if (res.length())
+ {
+ xmlNode *ptr = xmlDocGetRootElement(doc);
+ while (ptr && ptr->type != XML_ELEMENT_NODE)
+ ptr = ptr->next;
+ xmlNode *c =
+ xmlNewChild(ptr, 0, BAD_CAST "metadata", 0);
+ xmlNewProp(c, BAD_CAST "type", BAD_CAST
+ "generated-url");
+ xmlNode * t = xmlNewText(BAD_CAST res.c_str());
+ xmlAddChild(c, t);
+
+ if (xmlrec_buf)
+ xmlFree(xmlrec_buf);
+
+ xmlDocDumpMemory(doc, &xmlrec_buf, &rec_len);
+ rec_buf = (const char *) xmlrec_buf;
+ }
+ xmlFreeDoc(doc);
}
- else
+ if (!npr)
{
- npr = zget_surrogateDiagRec(
- odr, odr_database,
- YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS,
- rec_type_str);
+ if (!rec_buf)
+ npr = zget_surrogateDiagRec(
+ odr, odr_database,
+ YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS,
+ rec_type_str);
+ else
+ {
+ npr = (Z_NamePlusRecord *)
+ odr_malloc(odr, sizeof(*npr));
+ npr->databaseName = odr_database;
+ npr->which = Z_NamePlusRecord_databaseRecord;
+ npr->u.databaseRecord =
+ z_ext_record_xml(odr, rec_buf, rec_len);
+ }
}
+ if (xmlrec_buf)
+ xmlFree(xmlrec_buf);
}
else
{
}
return records;
}
-
+
struct cql_node *yf::Zoom::Impl::convert_cql_fields(struct cql_node *cn,
ODR odr)
{
return r;
}
+void yf::Zoom::Frontend::log_diagnostic(mp::Package &package,
+ int error, const char *addinfo)
+{
+ const char *err_msg = yaz_diag_bib1_str(error);
+ if (addinfo)
+ package.log("zoom", YLOG_WARN, "Diagnostic %d %s: %s",
+ error, err_msg, addinfo);
+ else
+ package.log("zoom", YLOG_WARN, "Diagnostic %d %s:",
+ error, err_msg);
+}
+
+yf::Zoom::BackendPtr yf::Zoom::Frontend::explain_search(mp::Package &package,
+ std::string &database,
+ int *error,
+ char **addinfo,
+ mp::odr &odr,
+ std::string &torus_db,
+ std::string &realm)
+{
+ m_backend.reset();
+
+ BackendPtr b(new Backend);
+
+ b->m_frontend_database = database;
+ b->enable_explain = true;
+
+ Z_GDU *gdu = package.request().get();
+ Z_APDU *apdu_req = gdu->u.z3950;
+ Z_SearchRequest *sr = apdu_req->u.searchRequest;
+ Z_Query *query = sr->query;
+
+ if (!m_p->explain_xsp)
+ {
+ *error = YAZ_BIB1_UNSPECIFIED_ERROR;
+ *addinfo =
+ odr_strdup(odr, "IR-Explain---1 unsupported. torus explain_xsl not defined");
+ return m_backend;
+ }
+ else if (query->which == Z_Query_type_104 &&
+ query->u.type_104->which == Z_External_CQL)
+ {
+ std::string torus_url = m_p->torus_searchable_url;
+ std::string torus_query(query->u.type_104->u.cql);
+ xmlDoc *doc = mp::get_searchable(package, torus_url, "",
+ torus_query,
+ realm, m_p->proxy);
+ if (m_p->explain_xsp)
+ {
+ xmlDoc *rec_res = xsltApplyStylesheet(m_p->explain_xsp, doc, 0);
+
+ xmlFreeDoc(doc);
+ doc = rec_res;
+ }
+ if (!doc)
+ {
+ *error = YAZ_BIB1_UNSPECIFIED_ERROR;
+ *addinfo = odr_strdup(odr, "IR-Explain--1 problem. "
+ "Could not obtain Torus records for Explain");
+ }
+ else
+ {
+ xmlNode *ptr = xmlDocGetRootElement(doc);
+ int hits = 0;
+
+ xml_node_search(ptr, &hits, 0);
+
+ Z_APDU *apdu_res = odr.create_searchResponse(apdu_req, 0, 0);
+ apdu_res->u.searchResponse->resultCount = odr_intdup(odr, hits);
+ package.response() = apdu_res;
+ m_backend = b;
+ }
+ if (b->explain_doc)
+ xmlFreeDoc(b->explain_doc);
+ b->explain_doc = doc;
+ return m_backend;
+ }
+ else
+ {
+ *error = YAZ_BIB1_QUERY_TYPE_UNSUPP;
+ *addinfo = odr_strdup(odr, "IR-Explain---1 only supports CQL");
+ return m_backend;
+ }
+}
+
void yf::Zoom::Frontend::handle_search(mp::Package &package)
{
Z_GDU *gdu = package.request().get();
Z_SearchRequest *sr = apdu_req->u.searchRequest;
if (sr->num_databaseNames != 1)
{
- apdu_res = odr.create_searchResponse(
- apdu_req, YAZ_BIB1_TOO_MANY_DATABASES_SPECIFIED, 0);
+ int error = YAZ_BIB1_TOO_MANY_DATABASES_SPECIFIED;
+ log_diagnostic(package, error, 0);
+ apdu_res = odr.create_searchResponse(apdu_req, error, 0);
package.response() = apdu_res;
return;
}
+ int proxy_step = 0;
+
+next_proxy:
int error = 0;
- char *addinfo_s = 0;
+ char *addinfo = 0;
std::string db(sr->databaseNames[0]);
- BackendPtr b = get_backend_from_databases(db, &error, &addinfo_s, odr);
+
+ BackendPtr b = get_backend_from_databases(package, db, &error,
+ &addinfo, odr, &proxy_step);
+ if (error && proxy_step)
+ {
+ package.log("zoom", YLOG_WARN,
+ "create backend failed: trying next proxy");
+ goto next_proxy;
+ }
if (error)
{
- apdu_res =
- odr.create_searchResponse(
- apdu_req, error, addinfo_s);
+ log_diagnostic(package, error, addinfo);
+ apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
package.response() = apdu_res;
return;
}
+ if (!b || b->enable_explain)
+ return;
- const char *addinfo_c = 0;
b->set_option("setname", "default");
+ bool enable_pz2_retrieval = false;
+ bool enable_pz2_transform = false;
+ bool assume_marc8_charset = false;
+ prepare_elements(b, sr->preferredRecordSyntax, 0 /*element_set_name */,
+ enable_pz2_retrieval,
+ enable_pz2_transform,
+ assume_marc8_charset);
+
Odr_int hits = 0;
Z_Query *query = sr->query;
WRBUF ccl_wrbuf = 0;
WRBUF pqf_wrbuf = 0;
+ std::string sortkeys;
if (query->which == Z_Query_type_1 || query->which == Z_Query_type_101)
{
const char *cql = query->u.type_104->u.cql;
CQL_parser cp = cql_parser_create();
int r = cql_parser_string(cp, cql);
+ package.log("zoom", YLOG_LOG, "CQL: %s", cql);
if (r)
{
cql_parser_destroy(cp);
+ error = YAZ_BIB1_MALFORMED_QUERY;
+ const char *addinfo = "CQL syntax error";
+ log_diagnostic(package, error, addinfo);
apdu_res =
- odr.create_searchResponse(apdu_req,
- YAZ_BIB1_MALFORMED_QUERY,
- "CQL syntax error");
+ odr.create_searchResponse(apdu_req, error, addinfo);
package.response() = apdu_res;
return;
}
if (cn_error)
{
// hopefully we are getting a ptr to a index+relation+term node
- addinfo_c = 0;
+ error = YAZ_BIB1_UNSUPP_USE_ATTRIBUTE;
+ addinfo = 0;
if (cn_error->which == CQL_NODE_ST)
- addinfo_c = cn_error->u.st.index;
-
- apdu_res =
- odr.create_searchResponse(apdu_req,
- YAZ_BIB1_UNSUPP_USE_ATTRIBUTE,
- addinfo_c);
+ addinfo = cn_error->u.st.index;
+
+ log_diagnostic(package, error, addinfo);
+ apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
package.response() = apdu_res;
+ cql_parser_destroy(cp);
return;
}
char ccl_buf[1024];
-
r = cql_to_ccl_buf(cn, ccl_buf, sizeof(ccl_buf));
- if (r == 0)
+ if (r)
{
- ccl_wrbuf = wrbuf_alloc();
- wrbuf_puts(ccl_wrbuf, ccl_buf);
+ error = YAZ_BIB1_MALFORMED_QUERY;
+ const char *addinfo = "CQL to CCL conversion error";
+
+ log_diagnostic(package, error, addinfo);
+ apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
+ package.response() = apdu_res;
+ cql_parser_destroy(cp);
+ return;
}
- cql_parser_destroy(cp);
- if (r)
+
+ WRBUF sru_sortkeys_wrbuf = wrbuf_alloc();
+ if (cql_sortby_to_sortkeys(cn, wrbuf_vp_puts, sru_sortkeys_wrbuf))
{
- apdu_res =
- odr.create_searchResponse(apdu_req,
- YAZ_BIB1_MALFORMED_QUERY,
- "CQL to CCL conversion error");
+ error = YAZ_BIB1_ILLEGAL_SORT_RELATION;
+ const char *addinfo = "CQL to CCL sortby conversion";
+
+ log_diagnostic(package, error, addinfo);
+ apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
package.response() = apdu_res;
+ wrbuf_destroy(sru_sortkeys_wrbuf);
+ cql_parser_destroy(cp);
return;
}
+ WRBUF sort_spec_wrbuf = wrbuf_alloc();
+ yaz_srw_sortkeys_to_sort_spec(wrbuf_cstr(sru_sortkeys_wrbuf),
+ sort_spec_wrbuf);
+ wrbuf_destroy(sru_sortkeys_wrbuf);
+
+ ccl_wrbuf = wrbuf_alloc();
+ wrbuf_puts(ccl_wrbuf, ccl_buf);
+
+ yaz_tok_cfg_t tc = yaz_tok_cfg_create();
+ yaz_tok_parse_t tp =
+ yaz_tok_parse_buf(tc, wrbuf_cstr(sort_spec_wrbuf));
+ yaz_tok_cfg_destroy(tc);
+
+ /* go through sortspec and map fields */
+ int token = yaz_tok_move(tp);
+ while (token != YAZ_TOK_EOF)
+ {
+ if (token == YAZ_TOK_STRING)
+ {
+ const char *field = yaz_tok_parse_string(tp);
+ std::map<std::string,std::string>::iterator it;
+ it = b->sptr->sortmap.find(field);
+ if (it != b->sptr->sortmap.end())
+ sortkeys += it->second;
+ else
+ sortkeys += field;
+ }
+ sortkeys += " ";
+ token = yaz_tok_move(tp);
+ if (token == YAZ_TOK_STRING)
+ {
+ sortkeys += yaz_tok_parse_string(tp);
+ }
+ if (token != YAZ_TOK_EOF)
+ {
+ sortkeys += " ";
+ token = yaz_tok_move(tp);
+ }
+ }
+ yaz_tok_parse_destroy(tp);
+ wrbuf_destroy(sort_spec_wrbuf);
+
+ cql_parser_destroy(cp);
}
else
{
- apdu_res =
- odr.create_searchResponse(apdu_req, YAZ_BIB1_QUERY_TYPE_UNSUPP, 0);
+ error = YAZ_BIB1_QUERY_TYPE_UNSUPP;
+ const char *addinfo = 0;
+ log_diagnostic(package, error, addinfo);
+ apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
package.response() = apdu_res;
return;
}
assert(pqf_wrbuf == 0);
int cerror, cpos;
struct ccl_rpn_node *cn;
- yaz_log(YLOG_LOG, "CCL: %s", wrbuf_cstr(ccl_wrbuf));
+ package.log("zoom", YLOG_LOG, "CCL: %s", wrbuf_cstr(ccl_wrbuf));
cn = ccl_find_str(b->sptr->ccl_bibset, wrbuf_cstr(ccl_wrbuf),
&cerror, &cpos);
wrbuf_destroy(ccl_wrbuf);
if (!cn)
{
char *addinfo = odr_strdup(odr, ccl_err_msg(cerror));
- int z3950_diag = YAZ_BIB1_MALFORMED_QUERY;
+ error = YAZ_BIB1_MALFORMED_QUERY;
switch (cerror)
{
case CCL_ERR_UNKNOWN_QUAL:
- z3950_diag = YAZ_BIB1_UNSUPP_USE_ATTRIBUTE;
- break;
case CCL_ERR_TRUNC_NOT_LEFT:
case CCL_ERR_TRUNC_NOT_RIGHT:
case CCL_ERR_TRUNC_NOT_BOTH:
- z3950_diag = YAZ_BIB1_UNSUPP_TRUNCATION_ATTRIBUTE;
+#ifdef CCL_ERR_TRUNC_NOT_EMBED
+ case CCL_ERR_TRUNC_NOT_EMBED:
+#endif
+#ifdef CCL_ERR_TRUNC_NOT_SINGLE
+ case CCL_ERR_TRUNC_NOT_SINGLE:
+#endif
+ error = YAZ_BIB1_UNSUPP_SEARCH;
break;
}
- apdu_res =
- odr.create_searchResponse(apdu_req, z3950_diag, addinfo);
+ log_diagnostic(package, error, addinfo);
+ apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
package.response() = apdu_res;
return;
}
pqf_wrbuf = wrbuf_alloc();
ccl_pquery(pqf_wrbuf, cn);
+ package.log("zoom", YLOG_LOG, "RPN: %s", wrbuf_cstr(pqf_wrbuf));
ccl_rpn_delete(cn);
}
assert(pqf_wrbuf);
+
+ ZOOM_query q = ZOOM_query_create();
+ ZOOM_query_sortby2(q, b->sptr->sortStrategy.c_str(), sortkeys.c_str());
+
if (b->get_option("sru"))
{
int status = 0;
}
if (status == 0)
{
- yaz_log(YLOG_LOG, "search CQL: %s", wrbuf_cstr(wrb));
- b->search_cql(wrbuf_cstr(wrb), &hits, &error, &addinfo_c);
+ ZOOM_query_cql(q, wrbuf_cstr(wrb));
+ package.log("zoom", YLOG_LOG, "CQL: %s", wrbuf_cstr(wrb));
+ b->search(q, &hits, &error, &addinfo, odr);
}
+ ZOOM_query_destroy(q);
wrbuf_destroy(wrb);
wrbuf_destroy(pqf_wrbuf);
if (status)
{
- apdu_res =
- odr.create_searchResponse(apdu_req, YAZ_BIB1_MALFORMED_QUERY,
- "can not convert from RPN to CQL/SOLR");
+ error = YAZ_BIB1_MALFORMED_QUERY;
+ const char *addinfo = "can not convert from RPN to CQL/SOLR";
+ log_diagnostic(package, error, addinfo);
+ apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
package.response() = apdu_res;
return;
}
}
else
{
- yaz_log(YLOG_LOG, "search PQF: %s", wrbuf_cstr(pqf_wrbuf));
- b->search_pqf(wrbuf_cstr(pqf_wrbuf), &hits, &error, &addinfo_c);
+ ZOOM_query_prefix(q, wrbuf_cstr(pqf_wrbuf));
+ package.log("zoom", YLOG_LOG, "search PQF: %s", wrbuf_cstr(pqf_wrbuf));
+ b->search(q, &hits, &error, &addinfo, odr);
+ ZOOM_query_destroy(q);
wrbuf_destroy(pqf_wrbuf);
}
-
-
+
+ if (error && proxy_step)
+ {
+ // reset below prevent reuse in get_backend_from_databases
+ m_backend.reset();
+ package.log("zoom", YLOG_WARN, "search failed: trying next proxy");
+ goto next_proxy;
+ }
+
const char *element_set_name = 0;
Odr_int number_to_present = 0;
if (!error)
Odr_int number_of_records_returned = 0;
Z_Records *records = get_records(
- 0, number_to_present, &error, &addinfo_c,
+ package,
+ 0, number_to_present, &error, &addinfo,
&number_of_records_returned, odr, b, sr->preferredRecordSyntax,
element_set_name);
- apdu_res = odr.create_searchResponse(apdu_req, error, addinfo_c);
+ if (error)
+ log_diagnostic(package, error, addinfo);
+ apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
if (records)
{
apdu_res->u.searchResponse->records = records;
element_set_name = comp->u.simple->u.generic;
Odr_int number_of_records_returned = 0;
int error = 0;
- const char *addinfo = 0;
- Z_Records *records = get_records(
- *pr->resultSetStartPoint - 1, *pr->numberOfRecordsRequested,
- &error, &addinfo, &number_of_records_returned, odr, m_backend,
- pr->preferredRecordSyntax, element_set_name);
+ char *addinfo = 0;
- apdu_res = odr.create_presentResponse(apdu_req, error, addinfo);
- if (records)
+ if (m_backend->enable_explain)
{
- apdu_res->u.presentResponse->records = records;
- apdu_res->u.presentResponse->numberOfRecordsReturned =
- odr_intdup(odr, number_of_records_returned);
+ Z_Records *records =
+ get_explain_records(
+ package,
+ *pr->resultSetStartPoint - 1, *pr->numberOfRecordsRequested,
+ &error, &addinfo, &number_of_records_returned, odr, m_backend,
+ pr->preferredRecordSyntax, element_set_name);
+
+ apdu_res = odr.create_presentResponse(apdu_req, error, addinfo);
+ if (records)
+ {
+ apdu_res->u.presentResponse->records = records;
+ apdu_res->u.presentResponse->numberOfRecordsReturned =
+ odr_intdup(odr, number_of_records_returned);
+ }
+ package.response() = apdu_res;
+ }
+ else
+ {
+ Z_Records *records =
+ get_records(package,
+ *pr->resultSetStartPoint - 1, *pr->numberOfRecordsRequested,
+ &error, &addinfo, &number_of_records_returned, odr, m_backend,
+ pr->preferredRecordSyntax, element_set_name);
+
+ apdu_res = odr.create_presentResponse(apdu_req, error, addinfo);
+ if (records)
+ {
+ apdu_res->u.presentResponse->records = records;
+ apdu_res->u.presentResponse->numberOfRecordsReturned =
+ odr_intdup(odr, number_of_records_returned);
+ }
+ package.response() = apdu_res;
}
- package.response() = apdu_res;
}
void yf::Zoom::Frontend::handle_package(mp::Package &package)
else if (gdu->which == Z_GDU_Z3950)
{
Z_APDU *apdu_req = gdu->u.z3950;
+
+ if (m_backend)
+ wrbuf_rewind(m_backend->m_apdu_wrbuf);
if (apdu_req->which == Z_APDU_initRequest)
{
mp::odr odr;
"zoom filter cannot handle this APDU");
package.session().close();
}
+ if (m_backend)
+ {
+ WRBUF w = m_backend->m_apdu_wrbuf;
+ package.log_write(wrbuf_buf(w), wrbuf_len(w));
+ }
}
else
{
projects / metaproxy-moved-to-github.git / blobdiff