#include "config.hpp"
#include "filter_zoom.hpp"
#include <yaz/zoom.h>
+#include <yaz/srw.h>
#include <metaproxy/package.hpp>
#include <metaproxy/util.hpp>
#include "torus.hpp"
namespace metaproxy_1 {
namespace filter {
struct Zoom::Searchable : boost::noncopyable {
+ std::string authentication;
+ std::string cfAuth;
+ std::string cfProxy;
+ std::string cfSubDb;
std::string database;
std::string target;
std::string query_encoding;
private:
FrontendPtr get_frontend(mp::Package &package);
void release_frontend(mp::Package &package);
- void parse_torus(const xmlNode *ptr);
-
- std::list<Zoom::SearchablePtr>m_searchables;
-
+ SearchablePtr parse_torus(const xmlNode *ptr);
+ struct cql_node *convert_cql_fields(struct cql_node *cn, ODR odr);
std::map<mp::Session, FrontendPtr> m_clients;
boost::mutex m_mutex;
boost::condition m_cond_session_ready;
- mp::Torus torus;
+ std::string torus_url;
+ std::map<std::string,std::string> fieldmap;
+ std::string xsldir;
};
}
}
{
}
-void yf::Zoom::Impl::parse_torus(const xmlNode *ptr1)
+yf::Zoom::SearchablePtr yf::Zoom::Impl::parse_torus(const xmlNode *ptr1)
{
+ SearchablePtr notfound;
if (!ptr1)
- return ;
+ return notfound;
for (ptr1 = ptr1->children; ptr1; ptr1 = ptr1->next)
{
if (ptr1->type != XML_ELEMENT_NODE)
{
if (ptr3->type != XML_ELEMENT_NODE)
continue;
- if (!strcmp((const char *) ptr3->name, "id"))
+ if (!strcmp((const char *) ptr3->name,
+ "authentication"))
+ {
+ s->authentication = mp::xml::get_text(ptr3);
+ }
+ else if (!strcmp((const char *) ptr3->name,
+ "cfAuth"))
+ {
+ s->cfAuth = mp::xml::get_text(ptr3);
+ }
+ else if (!strcmp((const char *) ptr3->name,
+ "cfProxy"))
+ {
+ s->cfProxy = mp::xml::get_text(ptr3);
+ }
+ else if (!strcmp((const char *) ptr3->name,
+ "cfSubDb"))
+ {
+ s->cfSubDb = mp::xml::get_text(ptr3);
+ }
+ else if (!strcmp((const char *) ptr3->name, "id"))
{
s->database = mp::xml::get_text(ptr3);
}
(const char *) ptr3->name + 7);
}
}
- if (s->database.length() && s->target.length())
- {
- yaz_log(YLOG_LOG, "add db=%s target=%s turbomarc=%s",
- s->database.c_str(), s->target.c_str(),
- s->use_turbomarc ? "1" : "0");
- m_searchables.push_back(s);
- }
+ return s;
}
}
}
}
+ return notfound;
}
void yf::Zoom::Impl::configure(const xmlNode *ptr, bool test_only)
{
if (ptr->type != XML_ELEMENT_NODE)
continue;
- if (!strcmp((const char *) ptr->name, "records"))
- {
- parse_torus(ptr);
- }
else if (!strcmp((const char *) ptr->name, "torus"))
{
- std::string url;
const struct _xmlAttr *attr;
for (attr = ptr->properties; attr; attr = attr->next)
{
if (!strcmp((const char *) attr->name, "url"))
- url = mp::xml::get_text(attr->children);
+ torus_url = mp::xml::get_text(attr->children);
+ else if (!strcmp((const char *) attr->name, "xsldir"))
+ xsldir = mp::xml::get_text(attr->children);
else
throw mp::filter::FilterException(
"Bad attribute " + std::string((const char *)
attr->name));
}
- torus.read_searchables(url);
- xmlDoc *doc = torus.get_doc();
- if (doc)
+ }
+ else if (!strcmp((const char *) ptr->name, "fieldmap"))
+ {
+ const struct _xmlAttr *attr;
+ std::string ccl_field;
+ std::string cql_field;
+ for (attr = ptr->properties; attr; attr = attr->next)
{
- xmlNode *ptr = xmlDocGetRootElement(doc);
- parse_torus(ptr);
+ if (!strcmp((const char *) attr->name, "ccl"))
+ ccl_field = mp::xml::get_text(attr->children);
+ else if (!strcmp((const char *) attr->name, "cql"))
+ cql_field = mp::xml::get_text(attr->children);
+ else
+ throw mp::filter::FilterException(
+ "Bad attribute " + std::string((const char *)
+ attr->name));
}
+ if (cql_field.length())
+ fieldmap[cql_field] = ccl_field;
+ }
+ else if (!strcmp((const char *) ptr->name, "records"))
+ {
+ yaz_log(YLOG_WARN, "records ignored!");
}
else
{
if (m_backend && m_backend->m_frontend_database == database)
return m_backend;
- std::list<Zoom::SearchablePtr>::iterator map_s =
- m_p->m_searchables.begin();
-
- std::string c_db = mp::util::database_name_normalize(database);
-
- while (map_s != m_p->m_searchables.end())
+ xmlDoc *doc = mp::get_searchable(m_p->torus_url, database);
+ if (!doc)
{
- if (c_db.compare((*map_s)->database) == 0)
- break;
- map_s++;
+ *error = YAZ_BIB1_DATABASE_DOES_NOT_EXIST;
+ *addinfo = database.c_str();
+ BackendPtr b;
+ return b;
}
- if (map_s == m_p->m_searchables.end())
+ SearchablePtr sptr = m_p->parse_torus(xmlDocGetRootElement(doc));
+ xmlFreeDoc(doc);
+ if (!sptr)
{
*error = YAZ_BIB1_DATABASE_DOES_NOT_EXIST;
*addinfo = database.c_str();
BackendPtr b;
return b;
}
-
+
xsltStylesheetPtr xsp = 0;
- if ((*map_s)->transform_xsl_fname.length())
+ if (sptr->transform_xsl_fname.length())
{
- xmlDoc *xsp_doc = xmlParseFile((*map_s)->transform_xsl_fname.c_str());
+ std::string fname;
+
+ if (m_p->xsldir.length())
+ fname = m_p->xsldir + "/" + sptr->transform_xsl_fname;
+ else
+ fname = sptr->transform_xsl_fname;
+ xmlDoc *xsp_doc = xmlParseFile(fname.c_str());
if (!xsp_doc)
{
*error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
}
}
- SearchablePtr sptr = *map_s;
-
m_backend.reset();
BackendPtr b(new Backend(sptr));
+ std::string cf_parm;
b->xsp = xsp;
b->m_frontend_database = database;
+ std::string authentication = sptr->authentication;
if (sptr->query_encoding.length())
b->set_option("rpnCharset", sptr->query_encoding.c_str());
+ if (sptr->cfAuth.length())
+ {
+ b->set_option("user", sptr->cfAuth.c_str());
+ if (authentication.length())
+ {
+ size_t found = authentication.find('/');
+ if (found != std::string::npos)
+ {
+ cf_parm += "user=" + mp::util::uri_encode(authentication.substr(0, found))
+ + "&password=" + mp::util::uri_encode(authentication.substr(found+1));
+ }
+ else
+ cf_parm += "user=" + mp::util::uri_encode(authentication);
+ }
+ }
+ else if (authentication.length())
+ b->set_option("user", authentication.c_str());
+
+ if (sptr->cfProxy.length())
+ {
+ if (cf_parm.length())
+ cf_parm += "&";
+ cf_parm += "proxy=" + mp::util::uri_encode(sptr->cfProxy);
+ }
+ if (sptr->cfSubDb.length())
+ {
+ if (cf_parm.length())
+ cf_parm += "&";
+ cf_parm += "subdatabase=" + mp::util::uri_encode(sptr->cfSubDb);
+ }
+
std::string url;
if (sptr->sru.length())
{
b->set_option("sru", sptr->sru.c_str());
}
else
+ {
url = sptr->target;
-
+ }
+ if (cf_parm.length())
+ {
+ url += "," + cf_parm;
+ }
b->connect(url, error, addinfo);
if (*error == 0)
{
if (preferredRecordSyntax)
{
if (!oid_oidcmp(preferredRecordSyntax, yaz_oid_recsyn_xml)
- && !strcmp(element_set_name, "pz2"))
+ && element_set_name &&
+ !strcmp(element_set_name, "pz2"))
{
if (b->sptr->request_syntax.length())
{
return records;
}
+struct cql_node *yf::Zoom::Impl::convert_cql_fields(struct cql_node *cn,
+ ODR odr)
+{
+ struct cql_node *r = 0;
+ if (!cn)
+ return 0;
+ switch (cn->which)
+ {
+ case CQL_NODE_ST:
+ if (cn->u.st.index)
+ {
+ std::map<std::string,std::string>::const_iterator it;
+ it = fieldmap.find(cn->u.st.index);
+ if (it == fieldmap.end())
+ return cn;
+ if (it->second.length())
+ cn->u.st.index = odr_strdup(odr, it->second.c_str());
+ else
+ cn->u.st.index = 0;
+ }
+ break;
+ case CQL_NODE_BOOL:
+ r = convert_cql_fields(cn->u.boolean.left, odr);
+ if (!r)
+ r = convert_cql_fields(cn->u.boolean.right, odr);
+ break;
+ case CQL_NODE_SORT:
+ r = convert_cql_fields(cn->u.sort.search, odr);
+ break;
+ }
+ return r;
+}
void yf::Zoom::Frontend::handle_search(mp::Package &package)
{
int error = 0;
const char *addinfo = 0;
std::string db(sr->databaseNames[0]);
- BackendPtr b = get_backend_from_databases(db, &error, &addinfo);
+ std::string torus_db;
+ size_t db_arg_pos = db.find(',');
+ if (db_arg_pos != std::string::npos)
+ torus_db = db.substr(0, db_arg_pos);
+ else
+ torus_db = db;
+
+ BackendPtr b = get_backend_from_databases(torus_db, &error, &addinfo);
if (error)
{
apdu_res =
return;
}
struct cql_node *cn = cql_parser_result(cp);
+ struct cql_node *cn_error = m_p->convert_cql_fields(cn, odr);
+ if (cn_error)
+ {
+ // hopefully we are getting a ptr to a index+relation+term node
+ addinfo = 0;
+ if (cn_error->which == CQL_NODE_ST)
+ addinfo = cn_error->u.st.index;
+
+ apdu_res =
+ odr.create_searchResponse(apdu_req,
+ YAZ_BIB1_UNSUPP_USE_ATTRIBUTE,
+ addinfo);
+ package.response() = apdu_res;
+ return;
+ }
char ccl_buf[1024];
r = cql_to_ccl_buf(cn, ccl_buf, sizeof(ccl_buf));
- yaz_log(YLOG_LOG, "cql_to_ccl_buf returned %d", r);
if (r == 0)
{
ccl_wrbuf = wrbuf_alloc();
assert(pqf_wrbuf == 0);
int cerror, cpos;
struct ccl_rpn_node *cn;
+ yaz_log(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;
+ 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;
+ break;
+ }
apdu_res =
- odr.create_searchResponse(apdu_req,
- YAZ_BIB1_MALFORMED_QUERY,
- addinfo);
+ odr.create_searchResponse(apdu_req, z3950_diag, addinfo);
package.response() = apdu_res;
return;
}
projects / metaproxy-moved-to-github.git / blobdiff