/* This file is part of Pazpar2.
- Copyright (C) 2006-2011 Index Data
+ Copyright (C) 2006-2012 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
struct session *session;
char *pquery; // Current search
char *cqlquery; // used for SRU targets only
+ char *addinfo; // diagnostic info for most resent error
Odr_int hits;
int record_offset;
+ int filtered; // When using local:, this will count the number of filtered records.
int maxrecs;
int startrecs;
int diagnostic;
int binary;
char *syntax;
char *esn;
+ char *nativesyntax;
void (*error_handler)(void *data, const char *addinfo);
void (*record_handler)(void *data, const char *buf, size_t sz);
void *data;
}
static void client_send_raw_present(struct client *cl);
-static int nativesyntax_to_type(struct session_database *sdb, char *type,
- ZOOM_record rec);
+static int nativesyntax_to_type(const char *s, char *type, ZOOM_record rec);
static void client_show_immediate(
ZOOM_resultset resultset, struct session_database *sdb, int position,
void *data,
void (*error_handler)(void *data, const char *addinfo),
void (*record_handler)(void *data, const char *buf, size_t sz),
- int binary)
+ int binary,
+ const char *nativesyntax)
{
ZOOM_record rec = 0;
char type[80];
error_handler(data, "no resultset");
return;
}
- rec = ZOOM_resultset_record(resultset, position-1);
+ rec = ZOOM_resultset_record_immediate(resultset, position-1);
if (!rec)
{
error_handler(data, "no record");
return;
}
- if (binary)
- strcpy(type, "raw");
- else
- nativesyntax_to_type(sdb, type, rec);
+ nativesyntax_to_type(nativesyntax, type, rec);
buf = ZOOM_record_get(rec, type, &len);
if (!buf)
{
void (*error_handler)(void *data, const char *addinfo),
void (*record_handler)(void *data, const char *buf,
size_t sz),
- int binary)
+ int binary,
+ const char *nativesyntax)
{
+ if (!nativesyntax)
+ {
+ if (binary)
+ nativesyntax = "raw";
+ else
+ {
+ struct session_database *sdb = client_get_database(cl);
+ nativesyntax = session_setting_oneval(sdb, PZ_NATIVESYNTAX);
+ }
+ }
+
if (syntax == 0 && esn == 0)
client_show_immediate(cl->resultset, client_get_database(cl),
position, data,
error_handler, record_handler,
- binary);
+ binary, nativesyntax);
else
{
struct show_raw *rr, **rrp;
rr->esn = xstrdup(esn);
else
rr->esn = 0;
+
+ assert(nativesyntax);
+ rr->nativesyntax = xstrdup(nativesyntax);
+
rr->next = 0;
for (rrp = &cl->show_raw; *rrp; rrp = &(*rrp)->next)
{
xfree(r->syntax);
xfree(r->esn);
+ xfree(r->nativesyntax);
xfree(r);
}
connection_continue(co);
}
-static int nativesyntax_to_type(struct session_database *sdb, char *type,
+static int nativesyntax_to_type(const char *s, char *type,
ZOOM_record rec)
{
- const char *s = session_setting_oneval(sdb, PZ_NATIVESYNTAX);
-
if (s && *s)
{
if (!strncmp(s, "iso2709", 7))
yaz_snprintf(type, 80, "txml; charset=%s", cp ? cp+1 : "marc-8s");
}
else
- return -1;
+ strcpy(type, s);
return 0;
}
else /* attempt to deduce structure */
int len;
char type[80];
- if (cl->show_raw->binary)
- strcpy(type, "raw");
- else
- {
- struct session_database *sdb = client_get_database(cl);
- nativesyntax_to_type(sdb, type, rec);
- }
-
+ nativesyntax_to_type(cl->show_raw->nativesyntax, type, rec);
buf = ZOOM_record_get(rec, type, &len);
cl->show_raw->record_handler(cl->show_raw->data, buf, len);
client_show_raw_dequeue(cl);
}
else
{
- yaz_log(YLOG_DEBUG, "client_search_response: hits "
- ODR_INT_PRINTF, cl->hits);
+ yaz_log(YLOG_DEBUG, "client_search_response: hits " ODR_INT_PRINTF, cl->hits);
client_report_facets(cl, resultset);
cl->record_offset = cl->startrecs;
cl->hits = ZOOM_resultset_size(resultset);
ZOOM_record rec = 0;
ZOOM_resultset resultset = cl->resultset;
int offset = cl->record_offset;
- if ((rec = ZOOM_resultset_record(resultset, offset)))
+ if ((rec = ZOOM_resultset_record_immediate(resultset, offset)))
{
cl->record_offset++;
- if (cl->session == 0)
- ;
+ if (cl->session == 0) {
+ /* no operation */
+ }
else if (ZOOM_record_error(rec, &msg, &addinfo, 0))
{
yaz_log(YLOG_WARN, "Record error %s (%s): %s (rec #%d)",
const char *xmlrec;
char type[80];
- if (nativesyntax_to_type(sdb, type, rec))
+ 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");
xmlrec = ZOOM_record_get(rec, type, NULL);
if (!xmlrec)
else
{
/* OK = 0, -1 = failure, -2 = Filtered */
- if (ingest_record(cl, xmlrec, cl->record_offset, nmem) == -1)
+ int rc = ingest_record(cl, xmlrec, cl->record_offset, nmem);
+ if (rc == -1)
yaz_log(YLOG_WARN, "Failed to ingest from %s", client_get_id(cl));
+ if (rc == -2)
+ cl->filtered += 1;
}
nmem_destroy(nmem);
}
if (cl->show_raw && cl->show_raw->active)
{
ZOOM_record rec = 0;
- if ((rec = ZOOM_resultset_record(resultset,
- cl->show_raw->position-1)))
+ if ((rec = ZOOM_resultset_record_immediate(
+ resultset, cl->show_raw->position-1)))
{
cl->show_raw->active = 0;
ingest_raw_record(cl, rec);
{
int i = cl->startrecs;
int to = cl->record_offset;
+ cl->filtered = 0;
cl->record_offset = i;
for (; i < to; i++)
return 0;
}
-void client_start_search(struct client *cl, const char *sort_strategy_and_spec,
- int increasing)
+static const char *get_strategy_plus_sort(struct client *l, const char *field)
+{
+ struct session_database *sdb = client_get_database(l);
+ 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, ':');
+ if (!p)
+ {
+ yaz_log(YLOG_WARN, "Malformed sortmap name: %s", s->name);
+ continue;
+ }
+ p++;
+ if (!strcmp(p, field))
+ {
+ strategy_plus_sort = s->value;
+ break;
+ }
+ }
+ return strategy_plus_sort;
+}
+
+void client_start_search(struct client *cl)
{
struct session_database *sdb = client_get_database(cl);
struct connection *co = client_get_connection(cl);
ZOOM_connection link = connection_get_link(co);
+ struct session *se = client_get_session(cl);
ZOOM_resultset rs;
const char *opt_piggyback = session_setting_oneval(sdb, PZ_PIGGYBACK);
const char *opt_queryenc = session_setting_oneval(sdb, PZ_QUERYENCODING);
const char *opt_sort = session_setting_oneval(sdb, PZ_SORT);
const char *opt_preferred = session_setting_oneval(sdb, PZ_PREFERRED);
const char *extra_args = session_setting_oneval(sdb, PZ_EXTRA_ARGS);
- char maxrecs_str[24], startrecs_str[24];
+ const char *opt_present_chunk = session_setting_oneval(sdb, PZ_PRESENT_CHUNK);
+ /* Default present chunk */
+ int present_chunk = 20;
+ if (opt_present_chunk && strcmp(opt_present_chunk,"")) {
+ present_chunk = atoi(opt_present_chunk);
+ }
+ char maxrecs_str[24], startrecs_str[24], present_chunk_str[24];
ZOOM_query q;
assert(link);
- cl->hits = 0;
- cl->record_offset = 0;
cl->diagnostic = 0;
if (extra_args && *extra_args)
yaz_log(YLOG_LOG, "Target %s has preferred status: %d",
client_get_id(cl), cl->preferred);
}
- client_set_state(cl, Client_Working);
if (*opt_piggyback)
ZOOM_connection_option_set(link, "piggyback", opt_piggyback);
sprintf(maxrecs_str, "%d", cl->maxrecs);
ZOOM_connection_option_set(link, "count", maxrecs_str);
- if (cl->maxrecs > 20)
- ZOOM_connection_option_set(link, "presentChunk", "20");
+ /* 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);
+ }
else
ZOOM_connection_option_set(link, "presentChunk", maxrecs_str);
ZOOM_query_prefix(q, cl->pquery);
}
- if (sort_strategy_and_spec &&
- strlen(sort_strategy_and_spec) < 40 /* spec below */)
- {
- char spec[50], *p;
- strcpy(spec, sort_strategy_and_spec);
- p = strchr(spec, ':');
- if (p)
+ if (se->sorted_results)
+ { /* first entry is current sorting ! */
+ const char *sort_strategy_and_spec =
+ get_strategy_plus_sort(cl, se->sorted_results->field);
+ int increasing = se->sorted_results->increasing;
+ if (sort_strategy_and_spec && strlen(sort_strategy_and_spec) < 40)
{
- *p++ = '\0'; /* cut the string in two */
- while (*p == ' ')
- p++;
- if (increasing)
- strcat(p, " <");
- else
- strcat(p, " >");
- yaz_log(YLOG_LOG, "applying %s %s", spec, p);
- ZOOM_query_sortby2(q, spec, p);
+ char spec[50], *p;
+ strcpy(spec, sort_strategy_and_spec);
+ p = strchr(spec, ':');
+ if (p)
+ {
+ *p++ = '\0'; /* cut the string in two */
+ while (*p == ' ')
+ p++;
+ if (increasing)
+ strcat(p, " <");
+ else
+ strcat(p, " >");
+ yaz_log(YLOG_LOG, "applying %s %s", spec, p);
+ ZOOM_query_sortby2(q, spec, p);
+ }
+ }
+ else
+ {
+ /* no native sorting.. If this is not the first search, then
+ skip it entirely */
+ if (se->sorted_results->next)
+ {
+ ZOOM_query_destroy(q);
+ return;
+ }
}
}
+ client_set_state(cl, Client_Working);
+ cl->hits = 0;
+ cl->record_offset = 0;
rs = ZOOM_connection_search(link, q);
ZOOM_query_destroy(q);
ZOOM_resultset_destroy(cl->resultset);
cl->startrecs = 0;
cl->pquery = 0;
cl->cqlquery = 0;
+ cl->addinfo = 0;
cl->database = 0;
cl->connection = 0;
cl->session = 0;
cl->hits = 0;
cl->record_offset = 0;
+ cl->filtered = 0;
cl->diagnostic = 0;
cl->state = Client_Disconnected;
cl->show_raw = 0;
c->pquery = 0;
xfree(c->cqlquery);
c->cqlquery = 0;
+ xfree(c->addinfo);
+ c->addinfo = 0;
xfree(c->id);
assert(!c->connection);
facet_limits_destroy(c->facet_limits);
}
// returns a xmalloced CQL query corresponding to the pquery in client
-static char *make_cqlquery(struct client *cl)
+static char *make_cqlquery(struct client *cl, Z_RPNQuery *zquery)
{
cql_transform_t cqlt = cql_transform_create();
- Z_RPNQuery *zquery;
- char *r;
+ char *r = 0;
WRBUF wrb = wrbuf_alloc();
int status;
- ODR odr_out = odr_createmem(ODR_ENCODE);
- zquery = p_query_rpn(odr_out, cl->pquery);
- yaz_log(YLOG_LOG, "PQF: %s", cl->pquery);
if ((status = cql_transform_rpn2cql_wrbuf(cqlt, wrb, zquery)))
{
yaz_log(YLOG_WARN, "Failed to generate CQL query, code=%d", status);
- r = 0;
}
else
{
r = xstrdup(wrbuf_cstr(wrb));
}
wrbuf_destroy(wrb);
- odr_destroy(odr_out);
cql_transform_close(cqlt);
return r;
}
// returns a xmalloced SOLR query corresponding to the pquery in client
// TODO Could prob. be merge with the similar make_cqlquery
-static char *make_solrquery(struct client *cl)
+static char *make_solrquery(struct client *cl, Z_RPNQuery *zquery)
{
solr_transform_t sqlt = solr_transform_create();
- Z_RPNQuery *zquery;
- char *r;
+ char *r = 0;
WRBUF wrb = wrbuf_alloc();
int status;
- ODR odr_out = odr_createmem(ODR_ENCODE);
-
- zquery = p_query_rpn(odr_out, cl->pquery);
- if (zquery == 0) {
- yaz_log(YLOG_WARN, "Failed to generate RPN from PQF: %s", cl->pquery);
- return 0;
- }
- yaz_log(YLOG_LOG, "PQF: %s", cl->pquery);
+
if ((status = solr_transform_rpn2solr_wrbuf(sqlt, wrb, zquery)))
{
- yaz_log(YLOG_WARN, "Failed to generate SOLR query from PQF %s, code=%d", cl->pquery, status);
- r = 0;
+ yaz_log(YLOG_WARN, "Failed to generate SOLR query, code=%d", status);
}
else
{
r = xstrdup(wrbuf_cstr(wrb));
}
wrbuf_destroy(wrb);
- odr_destroy(odr_out);
solr_transform_close(sqlt);
return r;
}
if (p && !strcmp(p + 1, name) && s->value &&
!strncmp(s->value, "local:", 6))
{
+ const char *cp = s->value + 6;
+ while (*cp == ' ')
+ cp++;
+
nmem_strsplit_escape2(nmem, "|", value, values,
num, 1, '\\', 1);
(*l)++;
- return name;
+ return *cp ? cp : name;
}
}
}
wrbuf_puts(w_ccl, ")");
}
- else if (!strncmp(s->value, "local:", 6))
- ;
+ else if (!strncmp(s->value, "local:", 6)) {
+ /* no operation */
+ }
else
{
yaz_log(YLOG_WARN, "Target %s: Bad limitmap '%s'",
}
// 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 -1 on query error
+// 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)
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);
const char *sru = session_setting_oneval(sdb, PZ_SRU);
const char *pqf_prefix = session_setting_oneval(sdb, PZ_PQF_PREFIX);
const char *query_syntax = session_setting_oneval(sdb, PZ_QUERY_SYNTAX);
WRBUF w_ccl, w_pqf;
int ret_value = 1;
+ Z_RPNQuery *zquery;
if (!ccl_map)
return -1;
-
if (maxrecs && atoi(maxrecs) != cl->maxrecs)
{
ret_value = 0;
wrbuf_putc(w_pqf, cp[0]);
}
}
+
if (!cl->pquery || strcmp(cl->pquery, wrbuf_cstr(w_pqf)))
{
xfree(cl->pquery);
ret_value = 0;
}
wrbuf_destroy(w_pqf);
-
- yaz_log(YLOG_LOG, "PQF query: %s", cl->pquery);
-
+
xfree(cl->cqlquery);
+ cl->cqlquery = 0;
- /* Support for PQF on SRU targets. */
- /* TODO Refactor */
- yaz_log(YLOG_DEBUG, "Query syntax: %s", query_syntax);
- if (strcmp(query_syntax, "pqf") != 0 && *sru)
+ odr_out = odr_createmem(ODR_ENCODE);
+ zquery = p_query_rpn(odr_out, cl->pquery);
+ if (!zquery)
{
- if (!strcmp(sru, "solr")) {
- if (!(cl->cqlquery = make_solrquery(cl)))
- return -1;
- }
- else {
- if (!(cl->cqlquery = make_cqlquery(cl)))
- return -1;
- }
+
+ session_log(se, YLOG_WARN, "Invalid PQF query for %s: %s",
+ client_get_id(cl), cl->pquery);
+ ret_value = -1;
}
else
- cl->cqlquery = 0;
+ {
+ session_log(se, YLOG_LOG, "PQF for %s: %s",
+ client_get_id(cl), cl->pquery);
+
+ /* Support for PQF on SRU targets. */
+ if (strcmp(query_syntax, "pqf") != 0 && *sru)
+ {
+ if (!strcmp(sru, "solr"))
+ cl->cqlquery = make_solrquery(cl, zquery);
+ else
+ cl->cqlquery = make_cqlquery(cl, zquery);
+ if (!cl->cqlquery)
+ ret_value = -1;
+ }
+ }
+ odr_destroy(odr_out);
/* TODO FIX Not thread safe */
if (!se->relevance)
se->relevance = relevance_create_ccl(
se->service->charsets, se->nmem, cn);
}
-
ccl_rpn_delete(cn);
return ret_value;
}
return cl->hits;
}
+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;
+ return cl->hits;
+}
+
int client_get_num_records(struct client *cl)
{
return cl->record_offset;
}
-void client_set_diagnostic(struct client *cl, int diagnostic)
+int client_get_num_records_filtered(struct client *cl)
+{
+ return cl->filtered;
+}
+
+void client_set_diagnostic(struct client *cl, int diagnostic,
+ const char *addinfo)
{
cl->diagnostic = diagnostic;
+ xfree(cl->addinfo);
+ cl->addinfo = 0;
+ if (addinfo)
+ cl->addinfo = xstrdup(addinfo);
}
-int client_get_diagnostic(struct client *cl)
+int client_get_diagnostic(struct client *cl, const char **addinfo)
{
+ if (addinfo)
+ *addinfo = cl->addinfo;
return cl->diagnostic;
}
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