-/* $Id: logic.c,v 1.52 2007-07-16 09:00:22 adam Exp $
+/* $Id: logic.c,v 1.65 2007-09-07 10:27:14 adam Exp $
Copyright (c) 2006-2007, Index Data.
-This file is part of Pazpar2.
+ This file is part of Pazpar2.
-Pazpar2 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
-Software Foundation; either version 2, or (at your option) any later
-version.
+ Pazpar2 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
+ Software Foundation; either version 2, or (at your option) any later
+ version.
-Pazpar2 is distributed in the hope that it will be useful, but WITHOUT ANY
-WARRANTY; without even the implied warranty of MERCHANTABILITY or
-FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
-for more details.
+ Pazpar2 is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ for more details.
-You should have received a copy of the GNU General Public License
-along with Pazpar2; see the file LICENSE. If not, write to the
-Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA.
- */
+ You should have received a copy of the GNU General Public License
+ along with Pazpar2; see the file LICENSE. If not, write to the
+ Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+ 02111-1307, USA.
+*/
/** \file logic.c
\brief high-level logic; mostly user sessions and settings
#include <yaz/query-charset.h>
#include <yaz/querytowrbuf.h>
#include <yaz/oid_db.h>
+#include <yaz/snprintf.h>
#if HAVE_CONFIG_H
#include "cconfig.h"
100,
MAX_CHUNK,
0,
- 0
+ 0,
+ 180,
+ 30
};
-
// Recursively traverse query structure to extract terms.
void pull_terms(NMEM nmem, struct ccl_rpn_node *n, char **termlist, int *num)
{
switch (n->kind)
{
- case CCL_RPN_AND:
- case CCL_RPN_OR:
- case CCL_RPN_NOT:
- case CCL_RPN_PROX:
- pull_terms(nmem, n->u.p[0], termlist, num);
- pull_terms(nmem, n->u.p[1], termlist, num);
- break;
- case CCL_RPN_TERM:
- nmem_strsplit(nmem, " ", n->u.t.term, &words, &numwords);
- for (i = 0; i < numwords; i++)
- termlist[(*num)++] = words[i];
- break;
- default: // NOOP
- break;
+ case CCL_RPN_AND:
+ case CCL_RPN_OR:
+ case CCL_RPN_NOT:
+ case CCL_RPN_PROX:
+ pull_terms(nmem, n->u.p[0], termlist, num);
+ pull_terms(nmem, n->u.p[1], termlist, num);
+ break;
+ case CCL_RPN_TERM:
+ nmem_strsplit(nmem, " ", n->u.t.term, &words, &numwords);
+ for (i = 0; i < numwords; i++)
+ termlist[(*num)++] = words[i];
+ break;
+ default: // NOOP
+ break;
}
}
rdoc = xmlParseMemory((char*) wrbuf_buf(wrbuf_opac),
wrbuf_len(wrbuf_opac));
if (!rdoc)
+ {
yaz_log(YLOG_WARN, "Unable to parse OPAC XML");
+ /* Was used to debug bug #1348 */
+#if 0
+ FILE *f = fopen("/tmp/opac.xml.txt", "wb");
+ if (f)
+ {
+ fwrite(wrbuf_buf(wrbuf_opac), 1, wrbuf_len(wrbuf_opac), f);
+ fclose(f);
+ }
+#endif
+ }
wrbuf_destroy(wrbuf_opac);
}
}
return 0;
}
- yaz_marc_write_using_libxml2(sdb->yaz_marc, 1);
if (yaz_marc_write_xml(sdb->yaz_marc, &res,
"http://www.loc.gov/MARC21/slim", 0, 0) < 0)
{
FILE *lf = yaz_log_file();
if (lf)
{
- yaz_log(YLOG_LOG, "Normalized record from %s", db->url);
+ yaz_log(YLOG_LOG, "Un-normalized record from %s", db->url);
#if LIBXML_VERSION >= 20600
xmlDocFormatDump(lf, rdoc, 1);
#else
return rdoc;
}
-xmlDoc *normalize_record(struct session_database *sdb, Z_External *rec)
+#define MAX_XSLT_ARGS 16
+
+// Add static values from session database settings if applicable
+static void insert_settings_parameters(struct session_database *sdb,
+ struct session *se, char **parms)
+{
+ struct conf_service *service = global_parameters.server->service;
+ int i;
+ int nparms = 0;
+ int offset = 0;
+
+ for (i = 0; i < service->num_metadata; i++)
+ {
+ struct conf_metadata *md = &service->metadata[i];
+ int setting;
+
+ if (md->setting == Metadata_setting_parameter &&
+ (setting = settings_offset(md->name)) > 0)
+ {
+ const char *val = session_setting_oneval(sdb, setting);
+ if (val && nparms < MAX_XSLT_ARGS)
+ {
+ char *buf;
+ int len = strlen(val);
+ buf = nmem_malloc(se->nmem, len + 3);
+ buf[0] = '\'';
+ strcpy(buf + 1, val);
+ buf[len+1] = '\'';
+ buf[len+2] = '\0';
+ parms[offset++] = md->name;
+ parms[offset++] = buf;
+ nparms++;
+ }
+ }
+ }
+ parms[offset] = 0;
+}
+
+// Add static values from session database settings if applicable
+static void insert_settings_values(struct session_database *sdb, xmlDoc *doc)
+{
+ struct conf_service *service = global_parameters.server->service;
+ int i;
+
+ for (i = 0; i < service->num_metadata; i++)
+ {
+ struct conf_metadata *md = &service->metadata[i];
+ int offset;
+
+ if (md->setting == Metadata_setting_postproc &&
+ (offset = settings_offset(md->name)) > 0)
+ {
+ const char *val = session_setting_oneval(sdb, offset);
+ if (val)
+ {
+ xmlNode *r = xmlDocGetRootElement(doc);
+ xmlNode *n = xmlNewTextChild(r, 0, (xmlChar *) "metadata",
+ (xmlChar *) val);
+ xmlSetProp(n, (xmlChar *) "type", (xmlChar *) md->name);
+ }
+ }
+ }
+}
+
+xmlDoc *normalize_record(struct session_database *sdb, struct session *se,
+ Z_External *rec)
{
struct database_retrievalmap *m;
xmlDoc *rdoc = record_to_xml(sdb, rec);
if (rdoc)
{
- for (m = sdb->map; m; m = m->next){
+ for (m = sdb->map; m; m = m->next)
+ {
xmlDoc *new = 0;
{
xmlNodePtr root = 0;
- new = xsltApplyStylesheet(m->stylesheet, rdoc, 0);
+ char *parms[MAX_XSLT_ARGS*2+1];
+
+ insert_settings_parameters(sdb, se, parms);
+
+ new = xsltApplyStylesheet(m->stylesheet, rdoc, (const char **) parms);
root= xmlDocGetRootElement(new);
if (!new || !root || !(root->children))
{
xmlFreeDoc(rdoc);
rdoc = new;
}
+
+ insert_settings_values(sdb, rdoc);
+
if (global_parameters.dump_records)
{
- fprintf(stderr, "Record from %s\n----------------\n",
- sdb->database->url);
+ FILE *lf = yaz_log_file();
+
+ if (lf)
+ {
+ yaz_log(YLOG_LOG, "Normalized record from %s",
+ sdb->database->url);
#if LIBXML_VERSION >= 20600
- xmlDocFormatDump(stderr, rdoc, 1);
+ xmlDocFormatDump(lf, rdoc, 1);
#else
- xmlDocDump(stderr, rdoc);
+ xmlDocDump(lf, rdoc);
#endif
+ fprintf(lf, "\n");
+ }
}
}
return rdoc;
// Retrieve first defined value for 'name' for given database.
// Will be extended to take into account user associated with session
-char *session_setting_oneval(struct session_database *db, int offset)
+const char *session_setting_oneval(struct session_database *db, int offset)
{
if (!db->settings[offset])
return "";
// Initialize YAZ Map structures for MARC-based targets
static int prepare_yazmarc(struct session_database *sdb)
{
- char *s;
+ const char *s;
if (!sdb->settings)
{
// setting. However, this is not a realistic use scenario.
static int prepare_map(struct session *se, struct session_database *sdb)
{
- char *s;
+ const char *s;
if (!sdb->settings)
{
char **stylesheets;
struct database_retrievalmap **m = &sdb->map;
int num, i;
+ char auto_stylesheet[256];
+ if (!strcmp(s, "auto"))
+ {
+ const char *request_syntax = session_setting_oneval(
+ sdb, PZ_REQUESTSYNTAX);
+ if (request_syntax)
+ {
+ char *cp;
+ yaz_snprintf(auto_stylesheet, sizeof(auto_stylesheet),
+ "%s.xsl", request_syntax);
+ for (cp = auto_stylesheet; *cp; cp++)
+ {
+ /* deliberately only consider ASCII */
+ if (*cp > 32 && *cp < 127)
+ *cp = tolower(*cp);
+ }
+ s = auto_stylesheet;
+ }
+ else
+ {
+ yaz_log(YLOG_WARN, "No pz:requestsyntax for auto stylesheet");
+ }
+ }
nmem_strsplit(se->session_nmem, ",", s, &stylesheets, &num);
for (i = 0; i < num; i++)
{
void session_alert_watch(struct session *s, int what)
{
- if (!s->watchlist[what].fun)
- return;
- http_remove_observer(s->watchlist[what].obs);
- (*s->watchlist[what].fun)(s->watchlist[what].data);
- s->watchlist[what].fun = 0;
- s->watchlist[what].data = 0;
- s->watchlist[what].obs = 0;
+ if (s->watchlist[what].fun)
+ {
+ /* our watch is no longer associated with http_channel */
+ http_remove_observer(s->watchlist[what].obs);
+ session_watchfun fun = s->watchlist[what].fun;
+ void *data = s->watchlist[what].data;
+
+ /* reset watch before fun is invoked - in case fun wants to set
+ it again */
+ s->watchlist[what].fun = 0;
+ s->watchlist[what].data = 0;
+ s->watchlist[what].obs = 0;
+
+ fun(data);
+ }
}
//callback for grep_databases
*addinfo = 0;
nmem_reset(se->nmem);
+ se->relevance = 0;
+ se->total_records = se->total_hits = se->total_merged = 0;
+ se->reclist = 0;
+ se->num_termlists = 0;
criteria = parse_filter(se->nmem, filter);
se->requestid++;
live_channels = select_targets(se, criteria);
if (live_channels)
{
int maxrecs = live_channels * global_parameters.toget;
- se->num_termlists = 0;
se->reclist = reclist_create(se->nmem, maxrecs);
- // This will be initialized in send_search()
- se->total_records = se->total_hits = se->total_merged = 0;
se->expected_maxrecs = maxrecs;
}
else
return PAZPAR2_NO_TARGETS;
- se->relevance = 0;
-
for (cl = se->clients; cl; cl = client_next_in_session(cl))
{
if (prepare_session_database(se, client_get_database(cl)) < 0)
}
// Jakub: This breaks the filter setting.
/*if (offset == PZ_ID)
- {
- yaz_log(YLOG_WARN, "No need to set pz:id setting. Ignoring");
- return;
- }*/
+ {
+ yaz_log(YLOG_WARN, "No need to set pz:id setting. Ignoring");
+ return;
+ }*/
new->precedence = 0;
new->target = dbname;
new->name = setting;
// (happens when a search starts and client connections are prepared)
switch (offset)
{
- case PZ_NATIVESYNTAX:
- if (sdb->yaz_marc)
- {
- yaz_marc_destroy(sdb->yaz_marc);
- sdb->yaz_marc = 0;
- }
- break;
- case PZ_XSLT:
- if (sdb->map)
- {
- struct database_retrievalmap *m;
- // We don't worry about the map structure -- it's in nmem
- for (m = sdb->map; m; m = m->next)
- xsltFreeStylesheet(m->stylesheet);
- sdb->map = 0;
- }
- break;
+ case PZ_NATIVESYNTAX:
+ if (sdb->yaz_marc)
+ {
+ yaz_marc_destroy(sdb->yaz_marc);
+ sdb->yaz_marc = 0;
+ }
+ break;
+ case PZ_XSLT:
+ if (sdb->map)
+ {
+ struct database_retrievalmap *m;
+ // We don't worry about the map structure -- it's in nmem
+ for (m = sdb->map; m; m = m->next)
+ xsltFreeStylesheet(m->stylesheet);
+ sdb->map = 0;
+ }
+ break;
}
}
return session;
}
-struct hitsbytarget *hitsbytarget(struct session *se, int *count)
+struct hitsbytarget *hitsbytarget(struct session *se, int *count, NMEM nmem)
{
- static struct hitsbytarget res[1000]; // FIXME MM
+ struct hitsbytarget *res = 0;
struct client *cl;
+ size_t sz = 0;
+
+ for (cl = se->clients; cl; cl = client_next_in_session(cl))
+ sz++;
+ res = nmem_malloc(nmem, sizeof(*res) * sz);
*count = 0;
for (cl = se->clients; cl; cl = client_next_in_session(cl))
{
- char *name = session_setting_oneval(client_get_database(cl), PZ_NAME);
+ const char *name = session_setting_oneval(client_get_database(cl),
+ PZ_NAME);
res[*count].id = client_get_database(cl)->database->url;
res[*count].name = *name ? name : "Unknown";
res[*count].connected = client_get_connection(cl) ? 1 : 0;
(*count)++;
}
-
return res;
}
}
#endif
-struct record_cluster *show_single(struct session *s, int id)
+struct record_cluster *show_single(struct session *s, const char *id)
{
struct record_cluster *r;
reclist_rewind(s->reclist);
while ((r = reclist_read_record(s->reclist)))
- if (r->recid == id)
+ if (!strcmp(r->recid, id))
return r;
return 0;
}
NMEM nmem_show)
{
struct record_cluster **recs = nmem_malloc(nmem_show, *num
- * sizeof(struct record_cluster *));
+ * sizeof(struct record_cluster *));
struct reclist_sortparms *spp;
int i;
#if USE_TIMING
stat->num_no_connection++;
switch (client_get_state(cl))
{
- case Client_Connecting: stat->num_connecting++; break;
- case Client_Initializing: stat->num_initializing++; break;
- case Client_Searching: stat->num_searching++; break;
- case Client_Presenting: stat->num_presenting++; break;
- case Client_Idle: stat->num_idle++; break;
- case Client_Failed: stat->num_failed++; break;
- case Client_Error: stat->num_error++; break;
- default: break;
+ case Client_Connecting: stat->num_connecting++; break;
+ case Client_Initializing: stat->num_initializing++; break;
+ case Client_Searching: stat->num_searching++; break;
+ case Client_Presenting: stat->num_presenting++; break;
+ case Client_Idle: stat->num_idle++; break;
+ case Client_Failed: stat->num_failed++; break;
+ case Client_Error: stat->num_error++; break;
+ default: break;
}
count++;
}
struct record *ingest_record(struct client *cl, Z_External *rec,
int record_no)
{
- xmlDoc *xdoc = normalize_record(client_get_database(cl), rec);
+ xmlDoc *xdoc = normalize_record(client_get_database(cl),
+ client_get_session(cl), rec);
xmlNode *root, *n;
struct record *record;
struct record_cluster *cluster;
record, (char *) mergekey_norm,
&se->total_merged);
if (global_parameters.dump_records)
- yaz_log(YLOG_LOG, "Cluster id %d from %s (#%d)", cluster->recid,
+ yaz_log(YLOG_LOG, "Cluster id %s from %s (#%d)", cluster->recid,
client_get_database(cl)->database->url, record_no);
if (!cluster)
{
type = xmlGetProp(n, (xmlChar *) "type");
value = xmlNodeListGetString(xdoc, n->children, 1);
- if (!type || !value)
+ if (!type || !value || !*value)
continue;
md_field_id
{
if (!*wheretoput
|| strlen(rec_md->data.text)
- > strlen((*wheretoput)->data.text))
+ > strlen((*wheretoput)->data.text))
{
*wheretoput = rec_md;
if (ser_sk)
nmem_malloc(se->nmem,
sizeof(union data_types));
normalize7bit_mergekey(s,
- (ser_sk->type == Metadata_sortkey_skiparticle));
+ (ser_sk->type == Metadata_sortkey_skiparticle));
cluster->sortkeys[sk_field_id]->text = s;
}
}