*/
#include "config.hpp"
+
+#include <stdlib.h>
+#include <sys/types.h>
#include "filter_zoom.hpp"
-#include <yaz/zoom.h>
#include <metaproxy/package.hpp>
#include <metaproxy/util.hpp>
+#include <metaproxy/xmlutil.hpp>
+#include "torus.hpp"
+
+#include <libxslt/xsltutils.h>
+#include <libxslt/transform.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/rpn2solr.h>
+#include <yaz/pquery.h>
+#include <yaz/cql.h>
+#include <yaz/oid_db.h>
#include <yaz/diagbib1.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 {
- class Zoom::Backend {
+ class Zoom::Searchable : boost::noncopyable {
+ public:
+ std::string authentication;
+ std::string cfAuth;
+ std::string cfProxy;
+ 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();
+ };
+ class Zoom::Backend : boost::noncopyable {
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;
public:
- Backend();
+ Backend(SearchablePtr sptr);
~Backend();
- void connect(std::string zurl);
+ 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, 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, char **addinfo, ODR odr);
};
- class Zoom::Frontend {
+ class Zoom::Frontend : boost::noncopyable {
friend class Impl;
Impl *m_p;
bool m_is_virtual;
bool m_in_use;
yazpp_1::GDU m_init_gdu;
- std::list<BackendPtr> m_backend_list;
+ BackendPtr m_backend;
void handle_package(mp::Package &package);
void handle_search(mp::Package &package);
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);
+
+
+ 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(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);
public:
Frontend(Impl *impl);
~Frontend();
};
class Zoom::Impl {
+ friend class Frontend;
public:
Impl();
~Impl();
void process(metaproxy_1::Package & package);
- void configure(const xmlNode * ptr);
+ 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);
void release_frontend(mp::Package &package);
-
+ SearchablePtr parse_torus_record(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;
+ std::string torus_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;
+ std::map<std::string,SearchablePtr> s_map;
};
}
}
{ // 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);
+ m_p->configure(xmlnode, test_only, path);
}
void yf::Zoom::process(mp::Package &package) const
// define Implementation stuff
-yf::Zoom::Backend::Backend()
+yf::Zoom::Backend::Backend(SearchablePtr ptr) : sptr(ptr)
{
+ 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;
}
yf::Zoom::Backend::~Backend()
{
+ if (xsp)
+ xsltFreeStylesheet(xsp);
ZOOM_connection_destroy(m_connection);
ZOOM_resultset_destroy(m_resultset);
}
-void yf::Zoom::Backend::connect(std::string zurl)
+
+void yf::Zoom::Backend::get_zoom_error(int *error, char **addinfo,
+ ODR odr)
+{
+ const char *msg = 0;
+ const char *zoom_addinfo = 0;
+ const char *dset = 0;
+ *error = ZOOM_connection_error_x(m_connection, &msg, &zoom_addinfo, &dset);
+ 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;
+ *addinfo = (char *) odr_malloc(
+ odr, 20 + strlen(msg) +
+ (zoom_addinfo ? strlen(zoom_addinfo) : 0));
+ strcpy(*addinfo, msg);
+ if (zoom_addinfo)
+ {
+ strcat(*addinfo, ": ");
+ strcat(*addinfo, zoom_addinfo);
+ strcat(*addinfo, " ");
+ }
+ }
+ else
+ {
+ if (dset && !strcmp(dset, "info:srw/diagnostic/1"))
+ *error = yaz_diag_srw_to_bib1(*error);
+ *addinfo = (char *) odr_malloc(
+ odr, 20 + (zoom_addinfo ? strlen(zoom_addinfo) : 0));
+ **addinfo = '\0';
+ if (zoom_addinfo && *zoom_addinfo)
+ {
+ strcpy(*addinfo, zoom_addinfo);
+ strcat(*addinfo, " ");
+ }
+ strcat(*addinfo, "(backend)");
+ }
+ }
+}
+
+void yf::Zoom::Backend::connect(std::string zurl,
+ int *error, char **addinfo,
+ ODR odr)
{
ZOOM_connection_connect(m_connection, zurl.c_str(), 0);
+ get_zoom_error(error, addinfo, odr);
+}
+
+void yf::Zoom::Backend::search(ZOOM_query q, Odr_int *hits,
+ int *error, char **addinfo, ODR odr)
+{
+ m_resultset = ZOOM_connection_search(m_connection, q);
+ get_zoom_error(error, addinfo, odr);
+ if (*error == 0)
+ *hits = ZOOM_resultset_size(m_resultset);
+ else
+ *hits = 0;
+}
+
+void yf::Zoom::Backend::present(Odr_int start, Odr_int number,
+ ZOOM_record *recs,
+ int *error, char **addinfo, ODR odr)
+{
+ ZOOM_resultset_records(m_resultset, recs, start, number);
+ get_zoom_error(error, addinfo, odr);
+}
+
+void yf::Zoom::Backend::set_option(const char *name, const char *value)
+{
+ ZOOM_connection_option_set(m_connection, name, value);
+ if (m_resultset)
+ 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);
+}
+
+yf::Zoom::Searchable::Searchable(CCL_bibset base)
+{
+ piggyback = true;
+ use_turbomarc = true;
+ sortStrategy = "embed";
+ ccl_bibset = ccl_qual_dup(base);
+}
+
+yf::Zoom::Searchable::~Searchable()
+{
+ ccl_qual_rm(&ccl_bibset);
}
yf::Zoom::Frontend::Frontend(Impl *impl) :
}
}
-yf::Zoom::Impl::Impl()
+yf::Zoom::Impl::Impl() :
+ apdu_log(false), element_transform("pz2") , element_raw("raw")
{
+ bibset = ccl_qual_mk();
+
+ srand((unsigned int) time(0));
}
yf::Zoom::Impl::~Impl()
{
+ ccl_qual_rm(&bibset);
+}
+
+yf::Zoom::SearchablePtr yf::Zoom::Impl::parse_torus_record(const xmlNode *ptr)
+{
+ Zoom::SearchablePtr s(new Searchable(bibset));
+
+ for (ptr = ptr->children; ptr; ptr = ptr->next)
+ {
+ if (ptr->type != XML_ELEMENT_NODE)
+ continue;
+ if (!strcmp((const char *) ptr->name, "layer"))
+ ptr = ptr->children;
+ else if (!strcmp((const char *) ptr->name,
+ "authentication"))
+ {
+ s->authentication = mp::xml::get_text(ptr);
+ }
+ else if (!strcmp((const char *) ptr->name,
+ "cfAuth"))
+ {
+ s->cfAuth = mp::xml::get_text(ptr);
+ }
+ else if (!strcmp((const char *) ptr->name,
+ "cfProxy"))
+ {
+ s->cfProxy = mp::xml::get_text(ptr);
+ }
+ else if (!strcmp((const char *) ptr->name,
+ "cfSubDB"))
+ {
+ 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->udb = mp::xml::get_text(ptr);
+ }
+ else if (!strcmp((const char *) ptr->name, "zurl"))
+ {
+ s->target = mp::xml::get_text(ptr);
+ }
+ else if (!strcmp((const char *) ptr->name, "sru"))
+ {
+ s->sru = mp::xml::get_text(ptr);
+ }
+ else if (!strcmp((const char *) ptr->name, "SRUVersion"))
+ {
+ s->sru_version = mp::xml::get_text(ptr);
+ }
+ else if (!strcmp((const char *) ptr->name,
+ "queryEncoding"))
+ {
+ s->query_encoding = mp::xml::get_text(ptr);
+ }
+ else if (!strcmp((const char *) ptr->name,
+ "piggyback"))
+ {
+ s->piggyback = mp::xml::get_bool(ptr, true);
+ }
+ else if (!strcmp((const char *) ptr->name,
+ "requestSyntax"))
+ {
+ s->request_syntax = mp::xml::get_text(ptr);
+ }
+ else if (!strcmp((const char *) ptr->name,
+ "elementSet"))
+ {
+ s->element_set = mp::xml::get_text(ptr);
+ }
+ else if (!strcmp((const char *) ptr->name,
+ "recordEncoding"))
+ {
+ s->record_encoding = mp::xml::get_text(ptr);
+ }
+ else if (!strcmp((const char *) ptr->name,
+ "transform"))
+ {
+ 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
+ }
+ else if (!strncmp((const char *) ptr->name,
+ "cclmap_", 7))
+ {
+ std::string value = mp::xml::get_text(ptr);
+ 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 *xmlnode)
+void yf::Zoom::Impl::configure_local_records(const xmlNode *ptr, bool test_only)
{
+ while (ptr && ptr->type != XML_ELEMENT_NODE)
+ ptr = ptr->next;
+
+ if (ptr)
+ {
+ if (!strcmp((const char *) ptr->name, "records"))
+ {
+ for (ptr = ptr->children; ptr; ptr = ptr->next)
+ {
+ if (ptr->type != XML_ELEMENT_NODE)
+ continue;
+ if (!strcmp((const char *) ptr->name, "record"))
+ {
+ SearchablePtr s = parse_torus_record(ptr);
+ if (s)
+ {
+ std::string udb = s->udb;
+ if (udb.length())
+ s_map[s->udb] = s;
+ else
+ {
+ throw mp::filter::FilterException
+ ("No udb for local torus record");
+ }
+ }
+ }
+ else
+ {
+ throw mp::filter::FilterException
+ ("Bad element "
+ + std::string((const char *) ptr->name)
+ + " in zoom filter inside element "
+ "<torus><records>");
+ }
+ }
+ }
+ else
+ {
+ throw mp::filter::FilterException
+ ("Bad element "
+ + std::string((const char *) ptr->name)
+ + " in zoom filter inside element <torus>");
+ }
+ }
+}
+
+void yf::Zoom::Impl::configure(const xmlNode *ptr, bool test_only,
+ const char *path)
+{
+ 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)
+ continue;
+ else if (!strcmp((const char *) ptr->name, "torus"))
+ {
+ const struct _xmlAttr *attr;
+ for (attr = ptr->properties; attr; attr = attr->next)
+ {
+ if (!strcmp((const char *) attr->name, "url"))
+ torus_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
+ throw mp::filter::FilterException(
+ "Bad attribute " + std::string((const char *)
+ attr->name));
+ }
+ configure_local_records(ptr->children, test_only);
+ }
+ 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)
+ {
+ 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, "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
+ ("Bad element "
+ + std::string((const char *) ptr->name)
+ + " in zoom filter");
+ }
+ }
}
yf::Zoom::BackendPtr yf::Zoom::Frontend::get_backend_from_databases(
- std::string database)
+ mp::Package &package,
+ std::string &database, int *error, char **addinfo, ODR odr)
{
std::list<BackendPtr>::const_iterator map_it;
- map_it = m_backend_list.begin();
- for (; map_it != m_backend_list.end(); map_it++)
- if ((*map_it)->m_frontend_database == database)
- return *map_it;
+ if (m_backend && m_backend->m_frontend_database == database)
+ return m_backend;
+
+ 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);
+ input_args = database.substr(db_arg_pos + 1);
+ }
+ else
+ torus_db = database;
+
+ std::string authentication;
+ std::string proxy;
+ std::string realm = m_p->default_realm;
+
+ const char *param_user = 0;
+ const char *param_password = 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));
+
+ 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, "proxy"))
+ proxy = value;
+ else if (!strcmp(name, "cproxysession"))
+ {
+ out_names[no_out_args] = name;
+ out_values[no_out_args++] = value;
+ }
+ 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);
+ }
+ 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 if (m_p->torus_url.length() > 0)
+ {
+ xmlDoc *doc = mp::get_searchable(m_p->torus_url, torus_db, realm,
+ m_p->proxy);
+ if (!doc)
+ {
+ *error = YAZ_BIB1_DATABASE_DOES_NOT_EXIST;
+ *addinfo = odr_strdup(odr, database.c_str());
+ BackendPtr b;
+ return b;
+ }
+ const xmlNode *ptr = xmlDocGetRootElement(doc);
+ if (ptr)
+ { // presumably ptr is a records element node
+ // parse first record in document
+ for (ptr = ptr->children; ptr; ptr = ptr->next)
+ {
+ 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);
+ }
+ }
+ }
+ xmlFreeDoc(doc);
+ }
- BackendPtr b(new Backend);
+ if (!sptr)
+ {
+ *error = YAZ_BIB1_DATABASE_DOES_NOT_EXIST;
+ *addinfo = odr_strdup(odr, database.c_str());
+ BackendPtr b;
+ return b;
+ }
+
+ xsltStylesheetPtr xsp = 0;
+ 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;
- std::string url = "localhost:9999/" + database;
- yaz_log(YLOG_LOG, "new backend url=%s", url.c_str());
- b->connect(url);
+ if (m_p->xsldir.length())
+ path = m_p->xsldir.c_str();
+ else
+ path = m_p->file_path.c_str();
+ std::string fname;
+
+ char fullpath[1024];
+ char *cp = yaz_filepath_resolve(sptr->transform_xsl_fname.c_str(),
+ path, 0, fullpath);
+ if (cp)
+ fname.assign(cp);
+ else
+ {
+ *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 + fname.length());
+ sprintf(*addinfo, "xmlParseFile failed. File: %s", fname.c_str());
+ 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;
+ }
+ }
+
+ m_backend.reset();
+
+ BackendPtr b(new Backend(sptr));
+
+ b->xsp = xsp;
+ b->m_frontend_database = database;
+
+ if (sptr->query_encoding.length())
+ 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)
+ 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);
+ if (authentication.length())
+ {
+ size_t found = authentication.find('/');
+ if (found != std::string::npos)
+ {
+ 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
+ {
+ out_names[no_out_args] = "user";
+ out_values[no_out_args++] =
+ odr_strdup(odr, authentication.c_str());
+ }
+ }
+ if (proxy.length())
+ {
+ 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());
+ }
+ }
+ else
+ {
+ 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 (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);
+ BackendPtr backend_null;
+ return backend_null;
+ }
+ 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 (sptr->cfProxy.length())
+ wrbuf_printf(w, "cfproxy: %s\n", sptr->cfProxy.c_str());
+
+ fwrite(wrbuf_buf(w), 1, wrbuf_len(w), file);
+ fclose(file);
+ package.log("zoom", YLOG_LOG, "file %s created", fname);
+ xfree(fname);
+ }
+
+ std::string url;
+ if (sptr->sru.length())
+ {
+ url = "http://" + sptr->target;
+ b->set_option("sru", sptr->sru);
+
+ if (sptr->sru_version.length())
+ b->set_option("sru_version", sptr->sru_version);
+ }
+ else
+ {
+ url = sptr->target;
+ }
+ if (no_out_args)
+ {
+ 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)
+ {
+ m_backend = b;
+ }
return b;
}
+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 (preferredRecordSyntax &&
+ !oid_oidcmp(preferredRecordSyntax, yaz_oid_recsyn_xml)
+ && element_set_name)
+ {
+ if (!strcmp(element_set_name, m_p->element_transform.c_str()))
+ {
+ enable_pz2_retrieval = true;
+ enable_pz2_transform = true;
+ }
+ else if (!strcmp(element_set_name, m_p->element_raw.c_str()))
+ {
+ enable_pz2_retrieval = true;
+ }
+ }
+
+ if (enable_pz2_retrieval)
+ {
+ 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)
+ {
+ element_set_name = 0;
+ if (b->sptr->element_set.length())
+ element_set_name = b->sptr->element_set.c_str();
+ }
+
+ b->set_option("elementSetName", element_set_name);
+ if (b->sptr->sru.length() && element_set_name)
+ b->set_option("schema", element_set_name);
+}
+
+Z_Records *yf::Zoom::Frontend::get_records(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);
+
+ 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++)
+ if (!recs[i])
+ break;
+ }
+ if (i > 0)
+ { // only return records if no error and at least one record
+ char *odr_database = odr_strdup(odr,
+ b->m_frontend_database.c_str());
+ Z_NamePlusRecordList *npl = (Z_NamePlusRecordList *)
+ odr_malloc(odr, sizeof(*npl));
+ *number_of_records_returned = i;
+ npl->num_records = i;
+ npl->records = (Z_NamePlusRecord **)
+ odr_malloc(odr, i * sizeof(*npl->records));
+ 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)
+ {
+ npr = zget_surrogateDiagRec(odr, odr_database, sur_error,
+ addinfo);
+ }
+ else if (enable_pz2_retrieval)
+ {
+ char rec_type_str[100];
+ const char *record_encoding = 0;
+
+ 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, record_encoding);
+ }
+
+ 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 ");
+
+ addinfo += rec_type_str;
+ npr = zget_surrogateDiagRec(
+ odr, odr_database,
+ YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS,
+ addinfo.c_str());
+ }
+
+ if (rec_buf && b->xsp && enable_pz2_transform)
+ {
+ xmlDoc *rec_doc = xmlParseMemory(rec_buf, rec_len);
+ if (!rec_doc)
+ {
+ npr = zget_surrogateDiagRec(
+ odr, odr_database,
+ YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS,
+ "xml parse failed for record");
+ }
+ else
+ {
+ xmlDoc *rec_res =
+ xsltApplyStylesheet(b->xsp, rec_doc, 0);
+
+ if (rec_res)
+ {
+ xsltSaveResultToString(&xmlrec_buf, &rec_len,
+ rec_res, b->xsp);
+ rec_buf = (const char *) xmlrec_buf;
+
+ xmlFreeDoc(rec_res);
+ }
+ if (!rec_buf)
+ {
+ std::string addinfo;
+
+ addinfo = "xslt apply failed for "
+ + b->sptr->transform_xsl_fname;
+ npr = zget_surrogateDiagRec(
+ odr, odr_database,
+ YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS,
+ addinfo.c_str());
+ }
+ xmlFreeDoc(rec_doc);
+ }
+ }
+
+ if (rec_buf)
+ {
+ 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);
+ }
+ if (!npr)
+ {
+ 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
+ {
+ Z_External *ext =
+ (Z_External *) ZOOM_record_get(recs[i], "ext", 0);
+ if (ext)
+ {
+ npr = (Z_NamePlusRecord *) odr_malloc(odr, sizeof(*npr));
+ npr->databaseName = odr_database;
+ npr->which = Z_NamePlusRecord_databaseRecord;
+ npr->u.databaseRecord = ext;
+ }
+ else
+ {
+ npr = zget_surrogateDiagRec(
+ odr, odr_database,
+ YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS,
+ "ZOOM_record, type ext");
+ }
+ }
+ npl->records[i] = npr;
+ }
+ records = (Z_Records*) odr_malloc(odr, sizeof(*records));
+ records->which = Z_Records_DBOSD;
+ records->u.databaseOrSurDiagnostics = npl;
+ }
+ 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)
{
Z_GDU *gdu = package.request().get();
package.response() = apdu_res;
return;
}
- BackendPtr b = get_backend_from_databases(sr->databaseNames[0]);
- switch (sr->query->which)
+
+ int error = 0;
+ char *addinfo = 0;
+ std::string db(sr->databaseNames[0]);
+ BackendPtr b = get_backend_from_databases(package, db, &error,
+ &addinfo, odr);
+ if (error)
{
- case Z_Query_type_1:
- case Z_Query_type_101:
apdu_res =
- odr.create_searchResponse(
- apdu_req,
- YAZ_BIB1_TEMPORARY_SYSTEM_ERROR,
- "search filter do not handle type-1/type-101 yet");
+ odr.create_searchResponse(apdu_req, error, addinfo);
package.response() = apdu_res;
- break;
- default:
+ return;
+ }
+
+ 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)
+ {
+ // RPN
+ pqf_wrbuf = wrbuf_alloc();
+ yaz_rpnquery_to_wrbuf(pqf_wrbuf, query->u.type_1);
+ }
+ else if (query->which == Z_Query_type_2)
+ {
+ // CCL
+ ccl_wrbuf = wrbuf_alloc();
+ wrbuf_write(ccl_wrbuf, (const char *) query->u.type_2->buf,
+ query->u.type_2->len);
+ }
+ 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);
+ package.log("zoom", YLOG_LOG, "CQL: %s", cql);
+ if (r)
+ {
+ cql_parser_destroy(cp);
+ package.log("zoom", YLOG_WARN, "CQL syntax error");
+ 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;
+ }
+ 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);
+
+ WRBUF sru_sortkeys_wrbuf = wrbuf_alloc();
+
+ cql_sortby_to_sortkeys(cn, wrbuf_vp_puts, sru_sortkeys_wrbuf);
+ 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);
+
+ 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);
+ if (r)
+ {
+ apdu_res =
+ odr.create_searchResponse(apdu_req,
+ YAZ_BIB1_MALFORMED_QUERY,
+ "CQL to CCL conversion error");
+ package.response() = apdu_res;
+ return;
+ }
+ }
+ else
+ {
apdu_res =
- odr.create_searchResponse(
- apdu_req,
- YAZ_BIB1_QUERY_TYPE_UNSUPP, 0);
+ odr.create_searchResponse(apdu_req, YAZ_BIB1_QUERY_TYPE_UNSUPP, 0);
package.response() = apdu_res;
return;
}
+
+ if (ccl_wrbuf)
+ {
+ // CCL to PQF
+ assert(pqf_wrbuf == 0);
+ int cerror, cpos;
+ struct ccl_rpn_node *cn;
+ 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;
+
+ 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);
+ 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;
+ Z_RPNQuery *zquery;
+ zquery = p_query_rpn(odr, wrbuf_cstr(pqf_wrbuf));
+ WRBUF wrb = wrbuf_alloc();
+
+ if (!strcmp(b->get_option("sru"), "solr"))
+ {
+ solr_transform_t cqlt = solr_transform_create();
+
+ status = solr_transform_rpn2solr_wrbuf(cqlt, wrb, zquery);
+
+ solr_transform_close(cqlt);
+ }
+ else
+ {
+ cql_transform_t cqlt = cql_transform_create();
+
+ status = cql_transform_rpn2cql_wrbuf(cqlt, wrb, zquery);
+
+ cql_transform_close(cqlt);
+ }
+ if (status == 0)
+ {
+ 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");
+ package.response() = apdu_res;
+ return;
+ }
+ }
+ else
+ {
+ 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);
+ }
+
+ const char *element_set_name = 0;
+ Odr_int number_to_present = 0;
+ if (!error)
+ mp::util::piggyback_sr(sr, hits, number_to_present, &element_set_name);
+
+ Odr_int number_of_records_returned = 0;
+ Z_Records *records = get_records(
+ 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);
+ if (records)
+ {
+ apdu_res->u.searchResponse->records = records;
+ apdu_res->u.searchResponse->numberOfRecordsReturned =
+ odr_intdup(odr, number_of_records_returned);
+ }
+ apdu_res->u.searchResponse->resultCount = odr_intdup(odr, hits);
+ package.response() = apdu_res;
}
void yf::Zoom::Frontend::handle_present(mp::Package &package)
{
Z_GDU *gdu = package.request().get();
Z_APDU *apdu_req = gdu->u.z3950;
+ Z_APDU *apdu_res = 0;
+ Z_PresentRequest *pr = apdu_req->u.presentRequest;
+
mp::odr odr;
- package.response() = odr.create_close(
- apdu_req,
- Z_Close_protocolError,
- "zoom filter has not implemented present request yet");
- package.session().close();
+ if (!m_backend)
+ {
+ package.response() = odr.create_presentResponse(
+ apdu_req, YAZ_BIB1_SPECIFIED_RESULT_SET_DOES_NOT_EXIST, 0);
+ return;
+ }
+ const char *element_set_name = 0;
+ Z_RecordComposition *comp = pr->recordComposition;
+ if (comp && comp->which != Z_RecordComp_simple)
+ {
+ package.response() = odr.create_presentResponse(
+ apdu_req,
+ YAZ_BIB1_PRESENT_COMP_SPEC_PARAMETER_UNSUPP, 0);
+ return;
+ }
+ if (comp && comp->u.simple->which == Z_ElementSetNames_generic)
+ element_set_name = comp->u.simple->u.generic;
+ Odr_int number_of_records_returned = 0;
+ int error = 0;
+ 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);
+
+ 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;
}
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