/* This file is part of Pazpar2.
- Copyright (C) 2006-2008 Index Data
+ Copyright (C) 2006-2009 Index Data
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
#include <yaz/timing.h>
#endif
-
+#include "parameters.h"
#include "pazpar2.h"
#include "eventl.h"
#include "http.h"
#include "client.h"
#include "settings.h"
#include "normalize7bit.h"
+#include "marcmap.h"
#define TERMLIST_HIGH_SCORE 25
// Note: Some things in this structure will eventually move to configuration
struct parameters global_parameters =
{
- "",
- "",
- "",
- 0,
0, // dump_records
0, // debug_mode
- 30, // operations timeout
- "81",
- "Index Data PazPar2",
- VERSION,
- 60, // session timeout
100,
- MAX_CHUNK,
- 0,
- 0,
- 180, // Z39.50 session timeout
- 15 // Connect timeout
};
+static void log_xml_doc(xmlDoc *doc)
+{
+ FILE *lf = yaz_log_file();
+ xmlChar *result = 0;
+ int len = 0;
+#if LIBXML_VERSION >= 20600
+ xmlDocDumpFormatMemory(doc, &result, &len, 1);
+#else
+ xmlDocDumpMemory(doc, &result, &len);
+#endif
+ if (lf && len)
+ {
+ fwrite(result, 1, len, lf);
+ fprintf(lf, "\n");
+ }
+ xmlFree(result);
+}
+
// Recursively traverse query structure to extract terms.
void pull_terms(NMEM nmem, struct ccl_rpn_node *n, char **termlist, int *num)
{
if (global_parameters.dump_records)
{
- FILE *lf = yaz_log_file();
- if (lf)
- {
- yaz_log(YLOG_LOG, "Un-normalized record from %s", db->url);
-#if LIBXML_VERSION >= 20600
- xmlDocFormatDump(lf, rdoc, 1);
-#else
- xmlDocDump(lf, rdoc);
-#endif
- fprintf(lf, "\n");
- }
+ yaz_log(YLOG_LOG, "Un-normalized record from %s", db->url);
+ log_xml_doc(rdoc);
}
return rdoc;
static void insert_settings_parameters(struct session_database *sdb,
struct session *se, char **parms)
{
- struct conf_service *service = global_parameters.server->service;
+ struct conf_service *service = se->service;
int i;
int nparms = 0;
int offset = 0;
int setting;
if (md->setting == Metadata_setting_parameter &&
- (setting = settings_offset(md->name)) > 0)
+ (setting = settings_offset(service, md->name)) > 0)
{
const char *val = session_setting_oneval(sdb, setting);
if (val && nparms < MAX_XSLT_ARGS)
}
// Add static values from session database settings if applicable
-static void insert_settings_values(struct session_database *sdb, xmlDoc *doc)
+static void insert_settings_values(struct session_database *sdb, xmlDoc *doc,
+ struct conf_service *service)
{
- struct conf_service *service = global_parameters.server->service;
int i;
for (i = 0; i < service->num_metadata; i++)
int offset;
if (md->setting == Metadata_setting_postproc &&
- (offset = settings_offset(md->name)) > 0)
+ (offset = settings_offset(service, md->name)) > 0)
{
const char *val = session_setting_oneval(sdb, offset);
if (val)
insert_settings_parameters(sdb, se, parms);
- new = xsltApplyStylesheet(m->stylesheet, rdoc, (const char **) parms);
- root= xmlDocGetRootElement(new);
+ if (m->stylesheet)
+ {
+ new = xsltApplyStylesheet(m->stylesheet, rdoc, (const char **) parms);
+ }
+ else if (m->marcmap)
+ {
+ new = marcmap_apply(m->marcmap, rdoc);
+ }
+
+ root = xmlDocGetRootElement(new);
+
if (!new || !root || !(root->children))
{
yaz_log(YLOG_WARN, "XSLT transformation failed from %s",
rdoc = new;
}
- insert_settings_values(sdb, rdoc);
+ insert_settings_values(sdb, rdoc, se->service);
if (global_parameters.dump_records)
{
- FILE *lf = yaz_log_file();
-
- if (lf)
- {
- yaz_log(YLOG_LOG, "Normalized record from %s",
- sdb->database->url);
-#if LIBXML_VERSION >= 20600
- xmlDocFormatDump(lf, rdoc, 1);
-#else
- xmlDocDump(lf, rdoc);
-#endif
- fprintf(lf, "\n");
- }
+ yaz_log(YLOG_LOG, "Normalized record from %s",
+ sdb->database->url);
+ log_xml_doc(rdoc);
}
}
return rdoc;
{
(*m) = nmem_malloc(se->session_nmem, sizeof(**m));
(*m)->next = 0;
- if (!((*m)->stylesheet = conf_load_stylesheet(stylesheets[i])))
+
+ // XSLT
+ if (!strcmp(&stylesheets[i][strlen(stylesheets[i])-4], ".xsl"))
+ {
+ (*m)->marcmap = NULL;
+ if (!((*m)->stylesheet = conf_load_stylesheet(se->service, stylesheets[i])))
+ {
+ yaz_log(YLOG_FATAL|YLOG_ERRNO, "Unable to load stylesheet: %s",
+ stylesheets[i]);
+ return -1;
+ }
+ }
+ // marcmap
+ else if (!strcmp(&stylesheets[i][strlen(stylesheets[i])-5], ".mmap"))
{
- yaz_log(YLOG_FATAL|YLOG_ERRNO, "Unable to load stylesheet: %s",
- stylesheets[i]);
- return -1;
+ (*m)->stylesheet = NULL;
+ if (!((*m)->marcmap = marcmap_load(stylesheets[i], se->session_nmem)))
+ {
+ yaz_log(YLOG_FATAL|YLOG_ERRNO, "Unable to load marcmap: %s",
+ stylesheets[i]);
+ return -1;
+ }
}
+
m = &(*m)->next;
}
}
}
enum pazpar2_error_code search(struct session *se,
- char *query, char *filter,
+ const char *query, const char *filter,
const char **addinfo)
{
int live_channels = 0;
live_channels = select_targets(se, criteria);
if (live_channels)
{
- int maxrecs = live_channels * global_parameters.toget;
+ int maxrecs = live_channels * global_parameters.toget; // This is buggy!!!
se->reclist = reclist_create(se->nmem, maxrecs);
se->expected_maxrecs = maxrecs;
}
else
{
no_working++;
- if (client_prep_connection(cl))
+ if (client_prep_connection(cl, se->service->z3950_connect_timeout,
+ se->service->z3950_session_timeout))
client_start_search(cl);
}
}
static void session_init_databases_fun(void *context, struct database *db)
{
struct session *se = (struct session *) context;
+ struct conf_service *service = se->service;
struct session_database *new = nmem_malloc(se->session_nmem, sizeof(*new));
- int num = settings_num();
+ int num = settings_num(service);
int i;
new->database = db;
void session_init_databases(struct session *se)
{
se->databases = 0;
- predef_grep_databases(se, 0, session_init_databases_fun);
+ predef_grep_databases(se, se->service, 0, session_init_databases_fun);
}
// Probably session_init_databases_fun should be refactored instead of
static struct session_database *load_session_database(struct session *se,
char *id)
{
- struct database *db = find_database(id, 0);
+ struct database *db = find_database(id, 0, se->service);
+
+ resolve_database(db);
session_init_databases_fun((void*) se, db);
// New sdb is head of se->databases list
char *value)
{
struct session_database *sdb = find_session_database(se, dbname);
+ struct conf_service *service = se->service;
struct setting *new = nmem_malloc(se->session_nmem, sizeof(*new));
- int offset = settings_offset_cprefix(setting);
+ int offset = settings_offset_cprefix(service, setting);
if (offset < 0)
{
for (sdb = s->databases; sdb; sdb = sdb->next)
session_database_destroy(sdb);
nmem_destroy(s->nmem);
+ service_destroy(s->service);
wrbuf_destroy(s->wrbuf);
}
-struct session *new_session(NMEM nmem)
+struct session *new_session(NMEM nmem, struct conf_service *service)
{
int i;
struct session *session = nmem_malloc(nmem, sizeof(*session));
yaz_log(YLOG_DEBUG, "New Pazpar2 session");
-
+
+ session->service = service;
session->relevance = 0;
session->total_hits = 0;
session->total_records = 0;
session->number_of_warnings_unknown_elements = 0;
+ session->number_of_warnings_unknown_metadata = 0;
session->num_termlists = 0;
session->reclist = 0;
session->clients = 0;
}
#endif
-struct record_cluster *show_single(struct session *s, const char *id)
+struct record_cluster *show_single(struct session *s, const char *id,
+ struct record_cluster **prev_r,
+ struct record_cluster **next_r)
{
struct record_cluster *r;
reclist_rewind(s->reclist);
+ *prev_r = 0;
+ *next_r = 0;
while ((r = reclist_read_record(s->reclist)))
+ {
if (!strcmp(r->recid, id))
+ {
+ *next_r = reclist_read_record(s->reclist);
return r;
+ }
+ *prev_r = r;
+ }
return 0;
}
stat->num_clients = count;
}
-int start_http_listener(void)
-{
- char hp[128] = "";
- struct conf_server *ser = global_parameters.server;
-
- if (*global_parameters.listener_override)
- strcpy(hp, global_parameters.listener_override);
- else
- {
- strcpy(hp, ser->host ? ser->host : "");
- if (ser->port)
- {
- if (*hp)
- strcat(hp, ":");
- sprintf(hp + strlen(hp), "%d", ser->port);
- }
- }
- return http_init(hp);
-}
-
-void start_proxy(void)
-{
- char hp[128] = "";
- struct conf_server *ser = global_parameters.server;
-
- if (*global_parameters.proxy_override)
- strcpy(hp, global_parameters.proxy_override);
- else if (ser->proxy_host || ser->proxy_port)
- {
- strcpy(hp, ser->proxy_host ? ser->proxy_host : "");
- if (ser->proxy_port)
- {
- if (*hp)
- strcat(hp, ":");
- sprintf(hp + strlen(hp), "%d", ser->proxy_port);
- }
- }
- else
- return;
-
- http_set_proxyaddr(hp, ser->myurl ? ser->myurl : "");
-}
-
// Master list of connections we're handling events to
-static IOCHAN channel_list = 0;
+static IOCHAN channel_list = 0; /* thread pr */
+
void pazpar2_add_channel(IOCHAN chan)
{
chan->next = channel_list;
return rec_md;
}
+static const char *get_mergekey(xmlDoc *doc, struct client *cl, int record_no,
+ struct conf_service *service, NMEM nmem)
+{
+ char *mergekey_norm = 0;
+ xmlNode *root = xmlDocGetRootElement(doc);
+ WRBUF norm_wr = wrbuf_alloc();
+ xmlNode *n;
+
+ /* create mergekey based on mergekey attribute from XSL (if any) */
+ xmlChar *mergekey = xmlGetProp(root, (xmlChar *) "mergekey");
+ if (mergekey)
+ {
+ const char *norm_str;
+ pp2_relevance_token_t prt =
+ pp2_relevance_tokenize(
+ service->mergekey_pct,
+ (const char *) mergekey);
+
+ while ((norm_str = pp2_relevance_token_next(prt)))
+ {
+ if (*norm_str)
+ {
+ if (wrbuf_len(norm_wr))
+ wrbuf_puts(norm_wr, " ");
+ wrbuf_puts(norm_wr, norm_str);
+ }
+ }
+ pp2_relevance_token_destroy(prt);
+ xmlFree(mergekey);
+ }
+ /* append (if any) mergekey=yes metadata values */
+ for (n = root->children; n; n = n->next)
+ {
+ if (n->type != XML_ELEMENT_NODE)
+ continue;
+ if (!strcmp((const char *) n->name, "metadata"))
+ {
+ struct conf_metadata *ser_md = 0;
+ int md_field_id = -1;
+
+ xmlChar *type = xmlGetProp(n, (xmlChar *) "type");
+
+ if (!type)
+ continue;
+
+ md_field_id
+ = conf_service_metadata_field_id(service,
+ (const char *) type);
+ if (md_field_id >= 0)
+ {
+ ser_md = &service->metadata[md_field_id];
+ if (ser_md->mergekey == Metadata_mergekey_yes)
+ {
+ xmlChar *value = xmlNodeListGetString(doc, n->children, 1);
+ if (value)
+ {
+ const char *norm_str;
+ pp2_relevance_token_t prt =
+ pp2_relevance_tokenize(
+ service->mergekey_pct,
+ (const char *) value);
+
+ while ((norm_str = pp2_relevance_token_next(prt)))
+ {
+ if (*norm_str)
+ {
+ if (wrbuf_len(norm_wr))
+ wrbuf_puts(norm_wr, " ");
+ wrbuf_puts(norm_wr, norm_str);
+ }
+ }
+ xmlFree(value);
+ pp2_relevance_token_destroy(prt);
+ }
+ }
+ }
+ xmlFree(type);
+ }
+ }
+
+ /* generate unique key if none is not generated already or is empty */
+ if (wrbuf_len(norm_wr) == 0)
+ {
+ wrbuf_printf(norm_wr, "%s-%d",
+ client_get_database(cl)->database->url, record_no);
+ }
+ if (wrbuf_len(norm_wr) > 0)
+ mergekey_norm = nmem_strdup(nmem, wrbuf_cstr(norm_wr));
+ wrbuf_destroy(norm_wr);
+ return mergekey_norm;
+}
+
+
+
+/** \brief ingest XML record
+ \param cl client holds the result set for record
+ \param rec record buffer (0 terminated)
+ \param record_no record position (1, 2, ..)
+ \returns resulting record or NULL on failure
+*/
struct record *ingest_record(struct client *cl, const char *rec,
int record_no)
{
struct record *record;
struct record_cluster *cluster;
struct session *se = client_get_session(cl);
- xmlChar *mergekey, *mergekey_norm;
+ const char *mergekey_norm;
xmlChar *type = 0;
xmlChar *value = 0;
- struct conf_service *service = global_parameters.server->service;
- const char *norm_str = 0;
- pp2_relevance_token_t prt = 0;
- WRBUF norm_wr = 0;
+ struct conf_service *service = se->service;
if (!xdoc)
return 0;
root = xmlDocGetRootElement(xdoc);
- if (!(mergekey = xmlGetProp(root, (xmlChar *) "mergekey")))
+
+ mergekey_norm = get_mergekey(xdoc, cl, record_no, service, se->nmem);
+ if (!mergekey_norm)
{
- yaz_log(YLOG_WARN, "No mergekey found in record");
+ yaz_log(YLOG_WARN, "Got no mergekey");
xmlFreeDoc(xdoc);
return 0;
}
-
record = record_create(se->nmem,
service->num_metadata, service->num_sortkeys, cl,
record_no);
- prt = pp2_relevance_tokenize(
- global_parameters.server->mergekey_pct, (const char *) mergekey);
-
-
- norm_wr = wrbuf_alloc();
-
- while ((norm_str = pp2_relevance_token_next(prt)))
- {
- if (*norm_str)
- {
- if (wrbuf_len(norm_wr))
- wrbuf_puts(norm_wr, " ");
- wrbuf_puts(norm_wr, norm_str);
- }
- }
-
- mergekey_norm = (xmlChar *)nmem_strdup(se->nmem, wrbuf_cstr(norm_wr));
- wrbuf_destroy(norm_wr);
-
- pp2_relevance_token_destroy(prt);
-
- xmlFree(mergekey);
-
cluster = reclist_insert(se->reclist,
- global_parameters.server->service,
+ service,
record, (char *) mergekey_norm,
&se->total_merged);
if (global_parameters.dump_records)
return 0;
}
relevance_newrec(se->relevance, cluster);
-
-
- // now parsing XML record and adding data to cluster or record metadata
- for (n = root->children; n; n = n->next)
- {
- if (type)
- xmlFree(type);
- if (value)
- xmlFree(value);
- type = value = 0;
-
- if (n->type != XML_ELEMENT_NODE)
- continue;
- if (!strcmp((const char *) n->name, "metadata"))
- {
- struct conf_metadata *ser_md = 0;
- struct conf_sortkey *ser_sk = 0;
- struct record_metadata **wheretoput = 0;
- struct record_metadata *rec_md = 0;
- int md_field_id = -1;
- int sk_field_id = -1;
-
- type = xmlGetProp(n, (xmlChar *) "type");
- value = xmlNodeListGetString(xdoc, n->children, 1);
-
- if (!type || !value || !*value)
- continue;
-
- md_field_id
- = conf_service_metadata_field_id(service, (const char *) type);
- if (md_field_id < 0)
- {
- yaz_log(YLOG_WARN,
- "Ignoring unknown metadata element: %s", type);
- continue;
- }
-
- ser_md = &service->metadata[md_field_id];
-
- if (ser_md->sortkey_offset >= 0){
- sk_field_id = ser_md->sortkey_offset;
- ser_sk = &service->sortkeys[sk_field_id];
- }
-
- // non-merged metadata
- rec_md = record_metadata_init(se->nmem, (char *) value,
- ser_md->type);
- if (!rec_md)
- {
- yaz_log(YLOG_WARN, "bad metadata data '%s' for element '%s'",
- value, type);
- continue;
- }
- wheretoput = &record->metadata[md_field_id];
- while (*wheretoput)
- wheretoput = &(*wheretoput)->next;
- *wheretoput = rec_md;
-
- // merged metadata
- rec_md = record_metadata_init(se->nmem, (char *) value,
- ser_md->type);
- wheretoput = &cluster->metadata[md_field_id];
-
- // and polulate with data:
- // assign cluster or record based on merge action
- if (ser_md->merge == Metadata_merge_no)
- {
- while (*wheretoput)
- wheretoput = &(*wheretoput)->next;
- *wheretoput = rec_md;
- }
- if (ser_md->merge == Metadata_merge_unique)
- {
- struct record_metadata *mnode;
- for (mnode = *wheretoput; mnode; mnode = mnode->next)
- if (!strcmp((const char *) mnode->data.text.disp,
- rec_md->data.text.disp))
- break;
- if (!mnode)
- {
- rec_md->next = *wheretoput;
- *wheretoput = rec_md;
- }
- }
- else if (ser_md->merge == Metadata_merge_longest)
- {
- if (!*wheretoput
- || strlen(rec_md->data.text.disp)
- > strlen((*wheretoput)->data.text.disp))
- {
- *wheretoput = rec_md;
- if (ser_sk)
- {
- const char *sort_str = 0;
- int skip_article =
- ser_sk->type == Metadata_sortkey_skiparticle;
-
- if (!cluster->sortkeys[sk_field_id])
- cluster->sortkeys[sk_field_id] =
- nmem_malloc(se->nmem,
- sizeof(union data_types));
+
+ // now parsing XML record and adding data to cluster or record metadata
+ for (n = root->children; n; n = n->next)
+ {
+ pp2_relevance_token_t prt;
+ if (type)
+ xmlFree(type);
+ if (value)
+ xmlFree(value);
+ type = value = 0;
+
+ if (n->type != XML_ELEMENT_NODE)
+ continue;
+ if (!strcmp((const char *) n->name, "metadata"))
+ {
+ struct conf_metadata *ser_md = 0;
+ struct conf_sortkey *ser_sk = 0;
+ struct record_metadata **wheretoput = 0;
+ struct record_metadata *rec_md = 0;
+ int md_field_id = -1;
+ int sk_field_id = -1;
+
+ type = xmlGetProp(n, (xmlChar *) "type");
+ value = xmlNodeListGetString(xdoc, n->children, 1);
+
+ if (!type || !value || !*value)
+ continue;
+
+ md_field_id
+ = conf_service_metadata_field_id(service, (const char *) type);
+ if (md_field_id < 0)
+ {
+ if (se->number_of_warnings_unknown_metadata == 0)
+ {
+ yaz_log(YLOG_WARN,
+ "Ignoring unknown metadata element: %s", type);
+ }
+ se->number_of_warnings_unknown_metadata++;
+ continue;
+ }
+
+ ser_md = &service->metadata[md_field_id];
+
+ if (ser_md->sortkey_offset >= 0){
+ sk_field_id = ser_md->sortkey_offset;
+ ser_sk = &service->sortkeys[sk_field_id];
+ }
+
+ // non-merged metadata
+ rec_md = record_metadata_init(se->nmem, (char *) value,
+ ser_md->type);
+ if (!rec_md)
+ {
+ yaz_log(YLOG_WARN, "bad metadata data '%s' for element '%s'",
+ value, type);
+ continue;
+ }
+ wheretoput = &record->metadata[md_field_id];
+ while (*wheretoput)
+ wheretoput = &(*wheretoput)->next;
+ *wheretoput = rec_md;
+
+ // merged metadata
+ rec_md = record_metadata_init(se->nmem, (char *) value,
+ ser_md->type);
+ wheretoput = &cluster->metadata[md_field_id];
+
+ // and polulate with data:
+ // assign cluster or record based on merge action
+ if (ser_md->merge == Metadata_merge_unique)
+ {
+ struct record_metadata *mnode;
+ for (mnode = *wheretoput; mnode; mnode = mnode->next)
+ if (!strcmp((const char *) mnode->data.text.disp,
+ rec_md->data.text.disp))
+ break;
+ if (!mnode)
+ {
+ rec_md->next = *wheretoput;
+ *wheretoput = rec_md;
+ }
+ }
+ else if (ser_md->merge == Metadata_merge_longest)
+ {
+ if (!*wheretoput
+ || strlen(rec_md->data.text.disp)
+ > strlen((*wheretoput)->data.text.disp))
+ {
+ *wheretoput = rec_md;
+ if (ser_sk)
+ {
+ const char *sort_str = 0;
+ int skip_article =
+ ser_sk->type == Metadata_sortkey_skiparticle;
+
+ if (!cluster->sortkeys[sk_field_id])
+ cluster->sortkeys[sk_field_id] =
+ nmem_malloc(se->nmem,
+ sizeof(union data_types));
- prt = pp2_relevance_tokenize(
- global_parameters.server->sort_pct,
- rec_md->data.text.disp);
+ prt = pp2_relevance_tokenize(
+ service->sort_pct,
+ rec_md->data.text.disp);
- pp2_relevance_token_next(prt);
+ pp2_relevance_token_next(prt);
- sort_str = pp2_get_sort(prt, skip_article);
+ sort_str = pp2_get_sort(prt, skip_article);
- cluster->sortkeys[sk_field_id]->text.disp =
- rec_md->data.text.disp;
- if (!sort_str)
- {
- sort_str = rec_md->data.text.disp;
- yaz_log(YLOG_WARN,
- "Could not make sortkey. Bug #1858");
- }
- cluster->sortkeys[sk_field_id]->text.sort =
- nmem_strdup(se->nmem, sort_str);
+ cluster->sortkeys[sk_field_id]->text.disp =
+ rec_md->data.text.disp;
+ if (!sort_str)
+ {
+ sort_str = rec_md->data.text.disp;
+ yaz_log(YLOG_WARN,
+ "Could not make sortkey. Bug #1858");
+ }
+ cluster->sortkeys[sk_field_id]->text.sort =
+ nmem_strdup(se->nmem, sort_str);
#if 0
- yaz_log(YLOG_LOG, "text disp=%s",
- cluster->sortkeys[sk_field_id]->text.disp);
- yaz_log(YLOG_LOG, "text sort=%s",
- cluster->sortkeys[sk_field_id]->text.sort);
+ yaz_log(YLOG_LOG, "text disp=%s",
+ cluster->sortkeys[sk_field_id]->text.disp);
+ yaz_log(YLOG_LOG, "text sort=%s",
+ cluster->sortkeys[sk_field_id]->text.sort);
#endif
- pp2_relevance_token_destroy(prt);
+ pp2_relevance_token_destroy(prt);
}
}
}
xmlFree(value);
type = value = 0;
}
- else
- {
- if (se->number_of_warnings_unknown_elements == 0)
- yaz_log(YLOG_WARN,
- "Unexpected element in internal record: %s", n->name);
- se->number_of_warnings_unknown_elements++;
- }
+ else
+ {
+ if (se->number_of_warnings_unknown_elements == 0)
+ yaz_log(YLOG_WARN,
+ "Unexpected element in internal record: %s", n->name);
+ se->number_of_warnings_unknown_elements++;
+ }
}
if (type)
xmlFree(type);
/*
* Local variables:
* c-basic-offset: 4
+ * c-file-style: "Stroustrup"
* indent-tabs-mode: nil
* End:
* vim: shiftwidth=4 tabstop=8 expandtab
*/
+