#include "config.hpp"
#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 "torus.hpp"
#include <boost/thread/mutex.hpp>
#include <boost/thread/condition.hpp>
+#include <yaz/ccl_xml.h>
#include <yaz/ccl.h>
+#include <yaz/rpn2cql.h>
+#include <yaz/pquery.h>
+#include <yaz/cql.h>
#include <yaz/oid_db.h>
#include <yaz/diagbib1.h>
#include <yaz/log.h>
namespace metaproxy_1 {
namespace filter {
- struct Zoom::Searchable {
+ 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;
bool use_turbomarc;
bool piggyback;
CCL_bibset ccl_bibset;
- Searchable();
+ Searchable(CCL_bibset base);
~Searchable();
};
- class Zoom::Backend {
+ class Zoom::Backend : boost::noncopyable {
friend class Impl;
friend class Frontend;
std::string zurl;
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 present(Odr_int start, Odr_int number, ZOOM_record *recs,
int *error, const char **addinfo);
void set_option(const char *name, const char *value);
- int get_error(const char **addinfo);
+ const char *get_option(const char *name);
+ void get_zoom_error(int *error, const char **addinfo);
};
- class Zoom::Frontend {
+ class Zoom::Frontend : boost::noncopyable {
friend class Impl;
Impl *m_p;
bool m_is_virtual;
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;
+ CCL_bibset bibset;
};
}
}
ZOOM_resultset_destroy(m_resultset);
}
+
+void yf::Zoom::Backend::get_zoom_error(int *error, const char **addinfo)
+{
+ const char *msg = 0;
+ *error = ZOOM_connection_error(m_connection, &msg, addinfo);
+ if (*error)
+ {
+ if (*error >= ZOOM_ERROR_CONNECT)
+ {
+ // turn ZOOM diagnostic into a Bib-1 2: with addinfo=zoom err msg
+ *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
+ if (addinfo)
+ *addinfo = msg;
+ }
+ }
+}
+
void yf::Zoom::Backend::connect(std::string zurl,
int *error, const char **addinfo)
{
ZOOM_connection_connect(m_connection, zurl.c_str(), 0);
- *error = ZOOM_connection_error(m_connection, 0, addinfo);
+ get_zoom_error(error, addinfo);
}
void yf::Zoom::Backend::search_pqf(const char *pqf, Odr_int *hits,
int *error, const char **addinfo)
{
m_resultset = ZOOM_connection_search_pqf(m_connection, pqf);
- *error = ZOOM_connection_error(m_connection, 0, addinfo);
+ 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);
+
+ m_resultset = ZOOM_connection_search(m_connection, q);
+ ZOOM_query_destroy(q);
+ get_zoom_error(error, addinfo);
if (*error == 0)
*hits = ZOOM_resultset_size(m_resultset);
else
int *error, const char **addinfo)
{
ZOOM_resultset_records(m_resultset, recs, start, number);
- *error = ZOOM_connection_error(m_connection, 0, addinfo);
+ get_zoom_error(error, addinfo);
}
void yf::Zoom::Backend::set_option(const char *name, const char *value)
ZOOM_resultset_option_set(m_resultset, name, value);
}
-int yf::Zoom::Backend::get_error(const char **addinfo)
+const char *yf::Zoom::Backend::get_option(const char *name)
{
- return ZOOM_connection_error(m_connection, 0, addinfo);
+ return ZOOM_connection_option_get(m_connection, name);
}
-yf::Zoom::Searchable::Searchable()
+yf::Zoom::Searchable::Searchable(CCL_bibset base)
{
piggyback = true;
- use_turbomarc = false;
- ccl_bibset = ccl_qual_mk();
+ use_turbomarc = true;
+ ccl_bibset = ccl_qual_dup(base);
}
yf::Zoom::Searchable::~Searchable()
yf::Zoom::Impl::Impl()
{
+ bibset = ccl_qual_mk();
}
yf::Zoom::Impl::~Impl()
{
+ ccl_qual_rm(&bibset);
}
-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)
continue;
if (!strcmp((const char *) ptr2->name, "layer"))
{
- Zoom::SearchablePtr s(new Searchable);
+ Zoom::SearchablePtr s(new Searchable(bibset));
const xmlNode *ptr3 = ptr2;
for (ptr3 = ptr3->children; ptr3; ptr3 = ptr3->next)
{
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);
}
else if (!strcmp((const char *) ptr3->name,
"useTurboMarc"))
{
- yaz_log(YLOG_LOG, "seeing useTurboMarc");
- s->use_turbomarc = mp::xml::get_bool(ptr3, false);
- yaz_log(YLOG_LOG, "value=%s",
- s->use_turbomarc ? "1" : "0");
-
+ ; // useTurboMarc is ignored
}
else if (!strncmp((const char *) ptr3->name,
"cclmap_", 7))
(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)
{
for (ptr = ptr->children; ptr; ptr = ptr->next)
{
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, "cclmap"))
+ {
+ const char *addinfo = 0;
+ ccl_xml_config(bibset, ptr, &addinfo);
+ }
+ 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 (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())
+ std::string db_args;
+ std::string cf_parm;
+ std::string torus_db;
+ size_t db_arg_pos = database.find(',');
+ if (db_arg_pos != std::string::npos)
{
- if (c_db.compare((*map_s)->database) == 0)
- break;
- map_s++;
+ torus_db = database.substr(0, db_arg_pos);
+ db_args = database.substr(db_arg_pos+1);
}
- if (map_s == m_p->m_searchables.end())
+ else
+ torus_db = database;
+
+ xmlDoc *doc = mp::get_searchable(m_p->torus_url, torus_db);
+ if (!doc)
{
*error = YAZ_BIB1_DATABASE_DOES_NOT_EXIST;
*addinfo = database.c_str();
BackendPtr b;
return b;
}
-
+ 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));
b->xsp = xsp;
b->m_frontend_database = database;
+ std::string authentication = sptr->authentication;
+
+ b->set_option("timeout", "40");
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 (db_args.length())
+ url += "," + db_args;
+ else if (cf_parm.length())
+ url += "," + cf_parm;
+ yaz_log(YLOG_LOG, "url=%s", url.c_str());
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())
{
}
}
- yaz_log(YLOG_LOG, "enable_pz2_transform %s", enable_pz2_transform ?
- "enabled" : "disabled");
-
b->set_option("preferredRecordSyntax", syntax_name);
if (enable_pz2_transform)
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)
{
Odr_int hits = 0;
Z_Query *query = sr->query;
+ WRBUF ccl_wrbuf = 0;
+ WRBUF pqf_wrbuf = 0;
+
if (query->which == Z_Query_type_1 || query->which == Z_Query_type_101)
{
// RPN
- WRBUF w = wrbuf_alloc();
- yaz_rpnquery_to_wrbuf(w, query->u.type_1);
-
- b->search_pqf(wrbuf_cstr(w), &hits, &error, &addinfo);
-
- wrbuf_destroy(w);
+ pqf_wrbuf = wrbuf_alloc();
+ yaz_rpnquery_to_wrbuf(pqf_wrbuf, query->u.type_1);
}
else if (query->which == Z_Query_type_2)
{
// CCL
- WRBUF w = wrbuf_alloc();
- wrbuf_write(w, (const char *) query->u.type_2->buf,
+ ccl_wrbuf = wrbuf_alloc();
+ wrbuf_write(ccl_wrbuf, (const char *) query->u.type_2->buf,
query->u.type_2->len);
- int cerror, cpos;
- struct ccl_rpn_node *cn;
- cn = ccl_find_str(b->sptr->ccl_bibset, wrbuf_cstr(w), &cerror, &cpos);
- wrbuf_destroy(w);
-
- if (!cn)
+ }
+ else if (query->which == Z_Query_type_104 &&
+ query->u.type_104->which == Z_External_CQL)
+ {
+ // CQL
+ const char *cql = query->u.type_104->u.cql;
+ CQL_parser cp = cql_parser_create();
+ int r = cql_parser_string(cp, cql);
+ if (r)
{
- char *addinfo = odr_strdup(odr, ccl_err_msg(cerror));
-
+ cql_parser_destroy(cp);
apdu_res =
odr.create_searchResponse(apdu_req,
YAZ_BIB1_MALFORMED_QUERY,
+ "CQL syntax error");
+ package.response() = 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;
}
- w = wrbuf_alloc();
- ccl_pquery(w, cn);
-
- b->search_pqf(wrbuf_cstr(w), &hits, &error, &addinfo);
-
- ccl_rpn_delete(cn);
- wrbuf_destroy(w);
+ char ccl_buf[1024];
+
+ r = cql_to_ccl_buf(cn, ccl_buf, sizeof(ccl_buf));
+ if (r == 0)
+ {
+ ccl_wrbuf = wrbuf_alloc();
+ wrbuf_puts(ccl_wrbuf, ccl_buf);
+ }
+ cql_parser_destroy(cp);
+ if (r)
+ {
+ apdu_res =
+ odr.create_searchResponse(apdu_req,
+ YAZ_BIB1_MALFORMED_QUERY,
+ "CQL to CCL conversion error");
+ package.response() = apdu_res;
+ return;
+ }
}
else
{
package.response() = apdu_res;
return;
}
+
+ if (ccl_wrbuf)
+ {
+ // CCL to PQF
+ 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, z3950_diag, addinfo);
+ package.response() = apdu_res;
+ return;
+ }
+ pqf_wrbuf = wrbuf_alloc();
+ ccl_pquery(pqf_wrbuf, cn);
+ ccl_rpn_delete(cn);
+ }
+
+ assert(pqf_wrbuf);
+ if (b->get_option("sru"))
+ {
+ cql_transform_t cqlt = cql_transform_create();
+ Z_RPNQuery *zquery;
+ WRBUF wrb = wrbuf_alloc();
+ int status;
+
+ zquery = p_query_rpn(odr, wrbuf_cstr(pqf_wrbuf));
+ status = cql_transform_rpn2cql_wrbuf(cqlt, wrb, zquery);
+
+ cql_transform_close(cqlt);
+
+ if (status == 0)
+ {
+ yaz_log(YLOG_LOG, "search CQL: %s", wrbuf_cstr(wrb));
+ b->search_cql(wrbuf_cstr(wrb), &hits, &error, &addinfo);
+ }
+
+ 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");
+ 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);
+ wrbuf_destroy(pqf_wrbuf);
+ }
+
const char *element_set_name = 0;
Odr_int number_to_present = 0;
projects / metaproxy-moved-to-github.git / blobdiff