* Sebastian Hammer, Adam Dickmeiss
*
* $Log: zebraapi.c,v $
- * Revision 1.17 1999-05-12 13:08:06 adam
+ * Revision 1.23 1999-09-07 11:36:32 adam
+ * Minor changes.
+ *
+ * Revision 1.22 1999/08/02 10:13:47 adam
+ * Fixed bug regarding zebra_hits.
+ *
+ * Revision 1.21 1999/07/14 10:59:26 adam
+ * Changed functions isc_getmethod, isams_getmethod.
+ * Improved fatal error handling (such as missing EXPLAIN schema).
+ *
+ * Revision 1.20 1999/07/06 12:28:04 adam
+ * Updated record index structure. Format includes version ID. Compression
+ * algorithm ID is stored for each record block.
+ *
+ * Revision 1.19 1999/05/26 07:49:13 adam
+ * C++ compilation.
+ *
+ * Revision 1.18 1999/05/15 14:36:38 adam
+ * Updated dictionary. Implemented "compression" of dictionary.
+ *
+ * Revision 1.17 1999/05/12 13:08:06 adam
* First version of ISAMS.
*
* Revision 1.16 1999/02/19 10:38:30 adam
chdir (dir);
#endif
}
+
+static void zebra_register_unlock (ZebraHandle zh);
+
static int zebra_register_lock (ZebraHandle zh)
{
time_t lastChange;
int state;
+ zh->errCode = 0;
+ zh->errString = 0;
+
zebra_chdir (zh);
state = zebra_server_lock_get_state(zh, &lastChange);
state = 0;
}
zebra_server_lock (zh, state);
-#if USE_TIMES
+#if HAVE_SYS_TIMES_H
times (&zh->tms1);
#endif
if (zh->registerState == state)
if (zh->records)
{
zebraExplain_close (zh->zei, 0, 0);
- dict_close (zh->dict);
- sortIdx_close (zh->sortIdx);
+ if (zh->dict)
+ dict_close (zh->dict);
+ if (zh->sortIdx)
+ sortIdx_close (zh->sortIdx);
if (zh->isam)
is_close (zh->isam);
if (zh->isamc)
isc_close (zh->isamc);
+ if (zh->isams)
+ isams_close (zh->isams);
rec_close (&zh->records);
}
bf_cache (zh->bfs, state ? res_get (zh->res, "shadow") : NULL);
zh->registerState = state;
- zh->records = rec_open (zh->bfs, 0);
- if (!(zh->dict = dict_open (zh->bfs, FNAME_DICT, 40, 0)))
- {
- logf (LOG_WARN, "dict_open");
- return -1;
- }
- if (!(zh->sortIdx = sortIdx_open (zh->bfs, 0)))
- {
- logf (LOG_WARN, "sortIdx_open");
- return -1;
- }
+
zh->isam = NULL;
zh->isamc = NULL;
zh->isams = NULL;
- if (res_get_match (zh->res, "isam", "i", NULL))
+ zh->dict = NULL;
+ zh->sortIdx = NULL;
+ zh->zei = NULL;
+
+ if (!(zh->records = rec_open (zh->bfs, 0, 0)))
{
- if (!(zh->isam = is_open (zh->bfs, FNAME_ISAM, key_compare, 0,
- sizeof (struct it_key), zh->res)))
- {
- logf (LOG_WARN, "is_open");
- return -1;
- }
+ logf (LOG_WARN, "rec_open");
+ zh->errCode = 2;
}
- else if (res_get_match (zh->res, "isam", "s", NULL))
+ else
{
- if (!(zh->isams = isams_open (zh->bfs, FNAME_ISAMS, 0,
- key_isams_m(zh->res))))
+ if (!(zh->dict = dict_open (zh->bfs, FNAME_DICT, 40, 0, 0)))
{
- logf (LOG_WARN, "isams_open");
- return -1;
+ logf (LOG_WARN, "dict_open");
+ zh->errCode = 2;
}
- }
- else
- {
- if (!(zh->isamc = isc_open (zh->bfs, FNAME_ISAMC,
- 0, key_isamc_m(zh->res))))
+ if (!(zh->sortIdx = sortIdx_open (zh->bfs, 0)))
+ {
+ logf (LOG_WARN, "sortIdx_open");
+ zh->errCode = 2;
+ }
+ if (res_get_match (zh->res, "isam", "i", NULL))
+ {
+ if (!(zh->isam = is_open (zh->bfs, FNAME_ISAM, key_compare, 0,
+ sizeof (struct it_key), zh->res)))
+ {
+ logf (LOG_WARN, "is_open");
+ zh->errCode = 2;
+ }
+ }
+ else if (res_get_match (zh->res, "isam", "s", NULL))
{
- logf (LOG_WARN, "isc_open");
- return -1;
+ struct ISAMS_M_s isams_m;
+ if (!(zh->isams = isams_open (zh->bfs, FNAME_ISAMS, 0,
+ key_isams_m(zh->res, &isams_m))))
+ {
+ logf (LOG_WARN, "isams_open");
+ zh->errCode = 2;
+ }
+ }
+ else
+ {
+ struct ISAMC_M_s isamc_m;
+ if (!(zh->isamc = isc_open (zh->bfs, FNAME_ISAMC,
+ 0, key_isamc_m(zh->res, &isamc_m))))
+ {
+ logf (LOG_WARN, "isc_open");
+ zh->errCode = 2;
+ }
+ }
+ zh->zei = zebraExplain_open (zh->records, zh->dh, zh->res, 0, 0, 0);
+ if (!zh->zei)
+ {
+ logf (LOG_WARN, "Cannot obtain EXPLAIN information");
+ zh->errCode = 2;
}
}
- zh->zei = zebraExplain_open (zh->records, zh->dh, zh->res, 0, 0, 0);
-
+ if (zh->errCode)
+ {
+ zebra_register_unlock (zh);
+ zh->registerState = -1;
+ return -1;
+ }
return 0;
}
{
static int waitSec = -1;
-#if USE_TIMES
+#if HAVE_SYS_TIMES_H
times (&zh->tms2);
logf (LOG_LOG, "user/system: %ld/%ld",
(long) (zh->tms2.tms_utime - zh->tms1.tms_utime),
ZebraHandle zebra_open (const char *configName)
{
- ZebraHandle zh = xmalloc (sizeof(*zh));
+ ZebraHandle zh;
+ zh = (ZebraHandle) xmalloc (sizeof(*zh));
if (!(zh->res = res_open (configName)))
{
logf (LOG_WARN, "Failed to read resources `%s'", configName);
void map_basenames_func (void *vp, const char *name, const char *value)
{
- struct map_baseinfo *p = vp;
+ struct map_baseinfo *p = (struct map_baseinfo *) vp;
int i, no;
char fromdb[128], todb[8][128];
Z_RPNQuery *query, int num_bases, char **basenames,
const char *setname)
{
- zebra_register_lock (zh);
- zh->errCode = 0;
- zh->errString = NULL;
zh->hits = 0;
-
+ if (zebra_register_lock (zh))
+ return;
map_basenames (zh, stream, &num_bases, &basenames);
resultSetAddRPN (zh, stream, decode, query, num_bases, basenames, setname);
ZebraPosSet poset;
int i, *pos_array;
- zh->errCode = 0;
- zh->errString = NULL;
- pos_array = xmalloc (num_recs * sizeof(*pos_array));
+ if (zebra_register_lock (zh))
+ return;
+ pos_array = (int *) xmalloc (num_recs * sizeof(*pos_array));
for (i = 0; i<num_recs; i++)
pos_array[i] = recs[i].position;
-
- zebra_register_lock (zh);
-
poset = zebraPosSetCreate (zh, setname, num_recs, pos_array);
if (!poset)
{
int *position, int *num_entries, ZebraScanEntry **entries,
int *is_partial)
{
- zh->errCode = 0;
- zh->errString = NULL;
- zebra_register_lock (zh);
+ if (zebra_register_lock (zh))
+ {
+ *entries = 0;
+ *num_entries = 0;
+ return;
+ }
map_basenames (zh, stream, &num_bases, &basenames);
rpn_scan (zh, stream, zapt, attributeset,
num_bases, basenames, position,
const char *output_setname, Z_SortKeySpecList *sort_sequence,
int *sort_status)
{
- zh->errCode = 0;
- zh->errString = NULL;
- zebra_register_lock (zh);
+ if (zebra_register_lock (zh))
+ return;
resultSetSort (zh, stream->mem, num_input_setnames, input_setnames,
output_setname, sort_sequence, sort_status);
zebra_register_unlock (zh);