/* This file is part of the YAZ toolkit.
- * Copyright (C) 1995-2009 Index Data
+ * Copyright (C) 1995-2010 Index Data
* See the file LICENSE for details.
*/
*/
#include <stdio.h>
+#include <math.h>
#include <stdlib.h>
#include <ctype.h>
+
+#if HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
+#if HAVE_SYS_SELECT_H
+#include <sys/select.h>
+#endif
+#ifdef WIN32
+#include <windows.h>
+#endif
#include <yaz/log.h>
#include <yaz/backend.h>
static int log_level=0;
static int log_level_set=0;
+struct delay {
+ double d1;
+ double d2;
+};
+
+struct result_set {
+ char *name;
+ char *db;
+ Odr_int hits;
+ struct delay search_delay;
+ struct delay present_delay;
+ struct delay fetch_delay;
+ struct result_set *next;
+};
+
+struct session_handle {
+ struct result_set *result_sets;
+};
+
int ztest_search(void *handle, bend_search_rr *rr);
int ztest_sort(void *handle, bend_sort_rr *rr);
int ztest_present(void *handle, bend_present_rr *rr);
int ztest_esrequest(void *handle, bend_esrequest_rr *rr);
int ztest_delete(void *handle, bend_delete_rr *rr);
+static struct result_set *get_set(struct session_handle *sh, const char *name)
+{
+ struct result_set *set = sh->result_sets;
+ for (; set; set = set->next)
+ if (!strcmp(name, set->name))
+ return set;
+ return 0;
+}
+
+static void remove_sets(struct session_handle *sh)
+{
+ struct result_set *set = sh->result_sets;
+ while (set)
+ {
+ struct result_set *set_next = set->next;
+ xfree(set->name);
+ xfree(set->db);
+ xfree(set);
+ set = set_next;
+ }
+ sh->result_sets = 0;
+}
+
/** \brief use term value as hit count
\param s RPN structure
\return >= 0: search term number or -1: not found
return 0;
}
+static int strcmp_prefix(const char *s, const char *p)
+{
+ size_t l = strlen(p);
+ if (strlen(s) >= l && !memcmp(s, p, l))
+ return 1;
+ return 0;
+}
+
+static void init_delay(struct delay *delayp)
+{
+ delayp->d1 = delayp->d2 = 0.0;
+}
+
+static int parse_delay(struct delay *delayp, const char *value)
+{
+ if (sscanf(value, "%lf:%lf", &delayp->d1, &delayp->d2) == 2)
+ ;
+ else if (sscanf(value, "%lf", &delayp->d1) == 1)
+ delayp->d2 = 0.0;
+ else
+ return -1;
+ return 0;
+}
+
+static void ztest_sleep(double d)
+{
+#ifdef WIN32
+ Sleep( (DWORD) (d * 1000));
+#else
+ struct timeval tv;
+ tv.tv_sec = floor(d);
+ tv.tv_usec = (d - floor(d)) * 1000000;
+ select(0, 0, 0, 0, &tv);
+#endif
+}
+
+static void do_delay(const struct delay *delayp)
+{
+ double d = delayp->d1;
+
+ if (d > 0.0)
+ {
+ if (delayp->d2 > d)
+ d += (rand()) * (delayp->d2 - d) / RAND_MAX;
+ ztest_sleep(d);
+ }
+}
+
int ztest_search(void *handle, bend_search_rr *rr)
{
+ struct session_handle *sh = (struct session_handle*) handle;
+ struct result_set *new_set;
+ const char *db, *db_sep;
+
if (rr->num_bases != 1)
{
rr->errcode = YAZ_BIB1_COMBI_OF_SPECIFIED_DATABASES_UNSUPP;
return 0;
}
- /* Throw Database unavailable if other than Default or Slow */
- if (!yaz_matchstr(rr->basenames[0], "Default"))
+
+ db = rr->basenames[0];
+
+ /* Allow Default, db.* and Slow */
+ if (strcmp_prefix(db, "Default"))
; /* Default is OK in our test */
+ else if (strcmp_prefix(db, "db"))
+ ; /* db.* is OK in our test */
else if (check_slow(rr->basenames[0], rr->association))
{
rr->estimated_hit_count = 1;
return 0;
}
+ new_set = get_set(sh, rr->setname);
+ if (new_set)
+ {
+ if (!rr->replace_set)
+ {
+ rr->errcode = YAZ_BIB1_RESULT_SET_EXISTS_AND_REPLACE_INDICATOR_OFF;
+ return 0;
+ }
+ xfree(new_set->db);
+ }
+ else
+ {
+ new_set = xmalloc(sizeof(*new_set));
+ new_set->next = sh->result_sets;
+ sh->result_sets = new_set;
+ new_set->name = xstrdup(rr->setname);
+ }
+ new_set->hits = 0;
+ new_set->db = xstrdup(db);
+ init_delay(&new_set->search_delay);
+ init_delay(&new_set->present_delay);
+ init_delay(&new_set->fetch_delay);
+
+ db_sep = strchr(db, '?');
+ if (db_sep)
+ {
+ char **names;
+ char **values;
+ int no_parms = yaz_uri_to_array(db_sep+1, rr->stream, &names, &values);
+ int i;
+ for (i = 0; i < no_parms; i++)
+ {
+ const char *name = names[i];
+ const char *value = values[i];
+ if (!strcmp(name, "seed"))
+ srand(atoi(value));
+ else if (!strcmp(name, "search-delay"))
+ parse_delay(&new_set->search_delay, value);
+ else if (!strcmp(name, "present-delay"))
+ parse_delay(&new_set->present_delay, value);
+ else if (!strcmp(name, "fetch-delay"))
+ parse_delay(&new_set->fetch_delay, value);
+ else
+ {
+ rr->errcode = YAZ_BIB1_SERVICE_UNSUPP_FOR_THIS_DATABASE;
+ rr->errstring = odr_strdup(rr->stream, name);
+ }
+ }
+ }
+
if (rr->extra_args)
{
Z_SRW_extra_arg *a;
wrbuf_destroy(response_xml);
}
rr->hits = get_hit_count(rr->query);
+
+ do_delay(&new_set->search_delay);
+ new_set->hits = rr->hits;
+
return 0;
}
/* present request handler */
int ztest_present(void *handle, bend_present_rr *rr)
{
+ struct session_handle *sh = (struct session_handle*) handle;
+ struct result_set *set = get_set(sh, rr->setname);
+
+ if (!set)
+ {
+ rr->errcode = YAZ_BIB1_SPECIFIED_RESULT_SET_DOES_NOT_EXIST;
+ rr->errstring = odr_strdup(rr->stream, rr->setname);
+ return 0;
+ }
+ do_delay(&set->present_delay);
return 0;
}
/* retrieval of a single record (present, and piggy back search) */
int ztest_fetch(void *handle, bend_fetch_rr *r)
{
+ struct session_handle *sh = (struct session_handle*) handle;
char *cp;
const Odr_oid *oid = r->request_format;
+ struct result_set *set = get_set(sh, r->setname);
+ if (!set)
+ {
+ r->errcode = YAZ_BIB1_SPECIFIED_RESULT_SET_DOES_NOT_EXIST;
+ r->errstring = odr_strdup(r->stream, r->setname);
+ return 0;
+ }
+ do_delay(&set->fetch_delay);
r->last_in_set = 0;
- r->basename = "Default";
+ r->basename = set->db;
r->output_format = r->request_format;
+ if (r->number < 1 || r->number > set->hits)
+ {
+ r->errcode = YAZ_BIB1_PRESENT_REQUEST_OUT_OF_RANGE;
+ return 0;
+ }
if (!oid || yaz_oid_is_iso2709(oid))
{
cp = dummy_marc_record(r->number, r->stream);
if (!cp)
{
- r->errcode = YAZ_BIB1_PRESENT_REQUEST_OUT_OF_RANGE;
+ r->errcode = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
+ r->surrogate_flag = 1;
return 0;
}
else
cp = dummy_marc_record(r->number, r->stream);
if (!cp)
{
- r->errcode = YAZ_BIB1_PRESENT_REQUEST_OUT_OF_RANGE;
+ r->errcode = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
+ r->surrogate_flag = 1;
return 0;
}
r->record = (char *) dummy_opac(r->number, r->stream, cp);
r->record = (char*) dummy_grs_record(r->number, r->stream);
if (!r->record)
{
- r->errcode = YAZ_BIB1_PRESENT_REQUEST_OUT_OF_RANGE;
+ r->errcode = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
+ r->surrogate_flag = 1;
return 0;
}
}
f = fopen(fname, "rb");
if (!f)
{
- r->errcode = YAZ_BIB1_PRESENT_REQUEST_OUT_OF_RANGE;
+ r->errcode = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
+ r->surrogate_flag = 1;
return 0;
}
fseek(f, 0L, SEEK_END);
if (size <= 0 || size >= 5000000)
{
r->errcode = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
+ r->surrogate_flag = 1;
}
fseek(f, 0L, SEEK_SET);
r->record = (char*) odr_malloc(r->stream, size);
if (fread(r->record, size, 1, f) != 1)
{
r->errcode = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
+ r->surrogate_flag = 1;
}
fclose(f);
}
}
else
{
- r->errcode = YAZ_BIB1_PRESENT_REQUEST_OUT_OF_RANGE;
+ r->errcode = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
r->surrogate_flag = 1;
return 0;
}
return 0;
}
len = q->term->term->u.general->len;
- if (len >= sizeof(term))
+ if (len >= (int ) sizeof(term))
len = sizeof(term)-1;
memcpy(term, q->term->term->u.general->buf, len);
term[len] = '\0';
{
bend_initresult *r = (bend_initresult *)
odr_malloc(q->stream, sizeof(*r));
- int *counter = (int *) xmalloc(sizeof(int));
+ struct session_handle *sh = xmalloc(sizeof(*sh));
+
+ sh->result_sets = 0;
if (!log_level_set)
{
log_level_set=1;
}
- *counter = 0;
r->errcode = 0;
r->errstring = 0;
- r->handle = counter; /* user handle, in this case a simple int */
+ r->handle = sh; /* tell GFS about our handle */
q->bend_sort = ztest_sort; /* register sort handler */
q->bend_search = ztest_search; /* register search handler */
q->bend_present = ztest_present; /* register present handle */
void bend_close(void *handle)
{
- xfree(handle); /* release our user-defined handle */
+ struct session_handle *sh = (struct session_handle*) handle;
+ remove_sets(sh);
+ xfree(sh); /* release our session */
return;
}
projects / yaz-moved-to-github.git / blobdiff