*/
/** \file client.c
- \brief Z39.50 client
+ \brief Z39.50 client
*/
#if HAVE_CONFIG_H
if (!cl->connection)
return -1;
-
+
rr = xmalloc(sizeof(*rr));
rr->position = position;
assert(nativesyntax);
rr->nativesyntax = xstrdup(nativesyntax);
-
+
rr->next = 0;
-
+
for (rrp = &cl->show_raw; *rrp; rrp = &(*rrp)->next)
;
*rrp = rr;
-
+
if (cl->state == Client_Failed)
{
client_show_raw_error(cl, "client failed");
const char *cp = strchr(s, ';');
yaz_snprintf(type, 80, "xml; charset=%s", cp ? cp+1 : "marc-8s");
}
- else if (!strncmp(s, "xml", 3))
- {
- strcpy(type, "xml");
- }
else if (!strncmp(s, "txml", 4))
{
const char *cp = strchr(s, ';');
yaz_snprintf(type, 80, "txml; charset=%s", cp ? cp+1 : "marc-8s");
}
- else
+ else /* pass verbatim to ZOOM - including "xml" */
strcpy(type, s);
return 0;
}
ZOOM_resultset resultset = cl->resultset;
const char *error, *addinfo = 0;
-
+
if (ZOOM_connection_error(link, &error, &addinfo))
{
cl->hits = 0;
else if (ZOOM_record_error(rec, &msg, &addinfo, 0))
{
yaz_log(YLOG_WARN, "Record error %s (%s): %s (rec #%d)",
- msg, addinfo, client_get_id(cl),
- cl->record_offset);
+ msg, addinfo, client_get_id(cl), cl->record_offset);
}
else
{
NMEM nmem = nmem_create();
const char *xmlrec;
char type[80];
-
+
const char *s = session_setting_oneval(sdb, PZ_NATIVESYNTAX);
if (nativesyntax_to_type(s, type, rec))
yaz_log(YLOG_WARN, "Failed to determine record type");
struct session_database *sdb = client_get_database(cl);
WRBUF w = wrbuf_alloc();
-
+
struct setting *s;
for (s = sdb->settings[PZ_FACETMAP]; s; s = s->next)
wrbuf_puts(w, ",");
}
}
- yaz_log(YLOG_LOG, "using facets str: %s", wrbuf_cstr(w));
+ yaz_log(YLOG_DEBUG, "using facets str: %s", wrbuf_cstr(w));
ZOOM_connection_option_set(link, "facets",
wrbuf_len(w) ? wrbuf_cstr(w) : 0);
wrbuf_destroy(w);
struct setting *s;
const char *strategy_plus_sort = 0;
-
+
for (s = sdb->settings[PZ_SORTMAP]; s; s = s->next)
{
char *p = strchr(s->name + 3, ':');
int present_chunk = 20; // Default chunk size
if (opt_present_chunk && strcmp(opt_present_chunk,"")) {
present_chunk = atoi(opt_present_chunk);
+ yaz_log(YLOG_DEBUG, "Present chunk set to %d", present_chunk);
}
-
assert(link);
cl->diagnostic = 0;
+ cl->filtered = 0;
if (extra_args && *extra_args)
ZOOM_connection_option_set(link, "extraArgs", extra_args);
/* A present_chunk less than 1 will disable chunking. */
if (present_chunk > 0 && cl->maxrecs > present_chunk) {
sprintf(present_chunk_str, "%d", present_chunk);
- ZOOM_connection_option_set(link, "presentChunk", opt_present_chunk);
+ ZOOM_connection_option_set(link, "presentChunk", present_chunk_str);
+ yaz_log(YLOG_DEBUG, "Present chunk set to %s", present_chunk_str);
}
- else
+ else {
ZOOM_connection_option_set(link, "presentChunk", maxrecs_str);
-
+ yaz_log(YLOG_DEBUG, "Present chunk set to %s (maxrecs)", maxrecs_str);
+ }
sprintf(startrecs_str, "%d", cl->startrecs);
ZOOM_connection_option_set(link, "start", startrecs_str);
q = ZOOM_query_create();
if (cl->cqlquery)
{
- yaz_log(YLOG_LOG, "Search %s CQL: %s", client_get_id(cl),
- cl->cqlquery);
+ yaz_log(YLOG_LOG, "Client %s: Search CQL: %s", client_get_id(cl), cl->cqlquery);
ZOOM_query_cql(q, cl->cqlquery);
if (*opt_sort)
ZOOM_query_sortby(q, opt_sort);
}
else
{
- yaz_log(YLOG_LOG, "Search %s PQF: %s", client_get_id(cl), cl->pquery);
-
+ yaz_log(YLOG_LOG, "Client %s: Search PQF: %s", client_get_id(cl), cl->pquery);
+
ZOOM_query_prefix(q, cl->pquery);
}
if (se->sorted_results)
const char *sort_strategy_and_spec =
get_strategy_plus_sort(cl, se->sorted_results->field);
int increasing = se->sorted_results->increasing;
+ // int position = se->sorted_results->position;
if (sort_strategy_and_spec && strlen(sort_strategy_and_spec) < 40)
{
char spec[50], *p;
strcat(p, " <");
else
strcat(p, " >");
- yaz_log(YLOG_LOG, "applying %s %s", spec, p);
+ yaz_log(YLOG_LOG, "Client %s: applying sorting %s %s", client_get_id(cl), spec, p);
ZOOM_query_sortby2(q, spec, p);
}
}
skip it entirely */
if (se->sorted_results->next)
{
+ yaz_log(YLOG_DEBUG,"Client %s: Do not (re)search anyway", client_get_id(cl));
ZOOM_query_destroy(q);
return;
}
}
}
+ yaz_log(YLOG_DEBUG,"Client %s: Starting search", client_get_id(cl));
client_set_state(cl, Client_Working);
cl->hits = 0;
cl->record_offset = 0;
assert(id);
cl->id = xstrdup(id);
client_use(1);
-
+
return cl;
}
// Initialize CCL map for a target
-static CCL_bibset prepare_cclmap(struct client *cl)
+static CCL_bibset prepare_cclmap(struct client *cl, CCL_bibset base_bibset)
{
struct session_database *sdb = client_get_database(cl);
struct setting *s;
if (!sdb->settings)
return 0;
- res = ccl_qual_mk();
+ if (base_bibset)
+ res = ccl_qual_dup(base_bibset);
+ else
+ res = ccl_qual_mk();
for (s = sdb->settings[PZ_CCLMAP]; s; s = s->next)
{
+ const char *addinfo = 0;
char *p = strchr(s->name + 3, ':');
if (!p)
{
- yaz_log(YLOG_WARN, "Malformed cclmap name: %s", s->name);
+ WRBUF w = wrbuf_alloc();
+ wrbuf_printf(w, "Malformed cclmap. name=%s", s->name);
+ yaz_log(YLOG_WARN, "%s: %s", client_get_id(cl), wrbuf_cstr(w));
+ client_set_diagnostic(cl, ZOOM_ERROR_CCL_CONFIG, wrbuf_cstr(w));
+ client_set_state_nb(cl, Client_Error);
ccl_qual_rm(&res);
+ wrbuf_destroy(w);
return 0;
}
p++;
- ccl_qual_fitem(res, s->value, p);
+ if (ccl_qual_fitem2(res, s->value, p, &addinfo))
+ {
+ WRBUF w = wrbuf_alloc();
+
+ wrbuf_printf(w, "Malformed cclmap. name=%s: value=%s (%s)",
+ s->name, p, addinfo);
+ yaz_log(YLOG_WARN, "%s: %s", client_get_id(cl), wrbuf_cstr(w));
+ client_set_diagnostic(cl, ZOOM_ERROR_CCL_CONFIG, wrbuf_cstr(w));
+ client_set_state_nb(cl, Client_Error);
+ ccl_qual_rm(&res);
+ wrbuf_destroy(w);
+ return 0;
+ }
}
return res;
}
else
{
r = xstrdup(wrbuf_cstr(wrb));
- }
+ }
wrbuf_destroy(wrb);
cql_transform_close(cqlt);
return r;
char *r = 0;
WRBUF wrb = wrbuf_alloc();
int status;
-
+
if ((status = solr_transform_rpn2solr_wrbuf(sqlt, wrb, zquery)))
{
yaz_log(YLOG_WARN, "Failed to generate SOLR query, code=%d", status);
for (; (name = facet_limits_get(cl->facet_limits, *l, &value)); (*l)++)
{
struct setting *s = 0;
-
+
for (s = sdb->settings[PZ_LIMITMAP]; s; s = s->next)
{
const char *p = strchr(s->name + 3, ':');
const char *cp = s->value + 6;
while (*cp == ' ')
cp++;
-
+
nmem_strsplit_escape2(nmem, "|", value, values,
num, 1, '\\', 1);
(*l)++;
static int apply_limit(struct session_database *sdb,
facet_limits_t facet_limits,
- WRBUF w_pqf, WRBUF w_ccl)
+ WRBUF w_pqf, CCL_bibset ccl_map)
{
int ret = 0;
int i = 0;
const char *name;
const char *value;
+
NMEM nmem_tmp = nmem_create();
for (i = 0; (name = facet_limits_get(facet_limits, i, &value)); i++)
{
struct setting *s = 0;
-
+ nmem_reset(nmem_tmp);
for (s = sdb->settings[PZ_LIMITMAP]; s; s = s->next)
{
const char *p = strchr(s->name + 3, ':');
else if (!strncmp(s->value, "ccl:", 4))
{
const char *ccl = s->value + 4;
-
- wrbuf_puts(w_ccl, " and (");
-
+ WRBUF ccl_w = wrbuf_alloc();
for (i = 0; i < num; i++)
{
- if (i)
- wrbuf_puts(w_ccl, " or ");
- wrbuf_puts(w_ccl, ccl);
- wrbuf_puts(w_ccl, "=\"");
- wrbuf_puts(w_ccl, values[i]);
- wrbuf_puts(w_ccl, "\"");
+ int cerror, cpos;
+ struct ccl_rpn_node *cn;
+
+ wrbuf_rewind(ccl_w);
+ wrbuf_puts(ccl_w, ccl);
+ wrbuf_puts(ccl_w, "=\"");
+ wrbuf_puts(ccl_w, values[i]);
+ wrbuf_puts(ccl_w, "\"");
+
+ cn = ccl_find_str(ccl_map, wrbuf_cstr(ccl_w),
+ &cerror, &cpos);
+ if (cn)
+ {
+ if (i == 0)
+ wrbuf_printf(w_pqf, "@and ");
+
+ /* or multiple values.. could be bad if last CCL
+ parse fails, but this is unlikely to happen */
+ if (i < num - 1)
+ wrbuf_printf(w_pqf, "@or ");
+ ccl_pquery(w_pqf, cn);
+ ccl_rpn_delete(cn);
+ }
}
- wrbuf_puts(w_ccl, ")");
-
+ wrbuf_destroy(ccl_w);
}
else if (!strncmp(s->value, "local:", 6)) {
/* no operation */
break;
}
}
- nmem_reset(nmem_tmp);
if (!s)
{
yaz_log(YLOG_WARN, "Target %s: limit %s used, but no limitmap defined",
nmem_destroy(nmem_tmp);
return ret;
}
-
+
// Parse the query given the settings specific to this client
// return 0 if query is OK but different from before
// return 1 if query is OK but same as before
// return -2 on limit error
int client_parse_query(struct client *cl, const char *query,
facet_limits_t facet_limits,
- const char *startrecs, const char *maxrecs)
+ const char *startrecs, const char *maxrecs,
+ CCL_bibset bibset)
{
struct session *se = client_get_session(cl);
struct session_database *sdb = client_get_database(cl);
struct ccl_rpn_node *cn;
int cerror, cpos;
ODR odr_out;
- CCL_bibset ccl_map = prepare_cclmap(cl);
+ CCL_bibset ccl_map = prepare_cclmap(cl, bibset);
const char *sru = session_setting_oneval(sdb, PZ_SRU);
const char *pqf_prefix = session_setting_oneval(sdb, PZ_PQF_PREFIX);
const char *pqf_strftime = session_setting_oneval(sdb, PZ_PQF_STRFTIME);
Z_RPNQuery *zquery;
if (!ccl_map)
- return -1;
+ return -3;
if (maxrecs && atoi(maxrecs) != cl->maxrecs)
{
wrbuf_puts(w_pqf, " ");
}
- if (apply_limit(sdb, facet_limits, w_pqf, w_ccl))
+ if (apply_limit(sdb, facet_limits, w_pqf, ccl_map))
+ {
+ ccl_qual_rm(&ccl_map);
return -2;
+ }
facet_limits_destroy(cl->facet_limits);
cl->facet_limits = facet_limits_dup(facet_limits);
- yaz_log(YLOG_LOG, "CCL query: %s", wrbuf_cstr(w_ccl));
+ yaz_log(YLOG_LOG, "Client %s: CCL query: %s", client_get_id(cl), wrbuf_cstr(w_ccl));
cn = ccl_find_str(ccl_map, wrbuf_cstr(w_ccl), &cerror, &cpos);
ccl_qual_rm(&ccl_map);
if (!cn)
{
client_set_state(cl, Client_Error);
- session_log(se, YLOG_WARN, "Failed to parse CCL query '%s' for %s",
- wrbuf_cstr(w_ccl),
- client_get_id(cl));
+ session_log(se, YLOG_WARN, "Client %s: Failed to parse CCL query '%s'",
+ client_get_id(cl),
+ wrbuf_cstr(w_ccl));
wrbuf_destroy(w_ccl);
wrbuf_destroy(w_pqf);
return -1;
ret_value = 0;
}
wrbuf_destroy(w_pqf);
-
+
xfree(cl->cqlquery);
cl->cqlquery = 0;
- odr_out = odr_createmem(ODR_ENCODE);
+ odr_out = odr_createmem(ODR_ENCODE);
zquery = p_query_rpn(odr_out, cl->pquery);
if (!zquery)
{
- session_log(se, YLOG_WARN, "Invalid PQF query for %s: %s",
+ session_log(se, YLOG_WARN, "Invalid PQF query for Client %s: %s",
client_get_id(cl), cl->pquery);
ret_value = -1;
}
else
{
- session_log(se, YLOG_LOG, "PQF for %s: %s",
+ session_log(se, YLOG_LOG, "PQF for Client %s: %s",
client_get_id(cl), cl->pquery);
-
+
/* Support for PQF on SRU targets. */
if (strcmp(query_syntax, "pqf") != 0 && *sru)
{
if (!se->relevance)
{
// Initialize relevance structure with query terms
- se->relevance = relevance_create_ccl(
- se->service->charsets, se->nmem, cn);
+ se->relevance = relevance_create_ccl(se->service->charsets, cn,
+ se->service->rank_cluster,
+ se->service->rank_follow,
+ se->service->rank_lead,
+ se->service->rank_length);
}
ccl_rpn_delete(cn);
return ret_value;
Odr_int client_get_approximation(struct client *cl)
{
- int records = cl->record_offset + cl->filtered;
- if (records > 0)
- return (cl->hits * cl->record_offset) / records;
+ if (cl->record_offset > 0) {
+ Odr_int approx = ((10 * cl->hits * (cl->record_offset - cl->filtered)) / cl->record_offset + 5) /10;
+ yaz_log(YLOG_DEBUG, "%s: Approx: %lld * %d / %d = %lld ", client_get_id(cl), cl->hits, cl->record_offset - cl->filtered, cl->record_offset, approx);
+ return approx;
+ }
return cl->hits;
}
int i;
NMEM nmem;
struct suggestions *suggestions;
- if (suggestions_string == 0)
+ if (suggestions_string == 0 || suggestions_string[0] == 0 )
return 0;
nmem = nmem_create();
suggestions = nmem_malloc(nmem, sizeof(*suggestions));
- yaz_log(YLOG_DEBUG, "client target suggestions: %s", suggestions_string);
+ yaz_log(YLOG_DEBUG, "client target suggestions: %s.", suggestions_string);
suggestions->nmem = nmem;
suggestions->num = 0;