* All rights reserved.
*
* $Log: zebraapi.c,v $
- * Revision 1.36 2000-09-06 08:59:36 adam
+ * Revision 1.41 2000-12-01 17:59:08 adam
+ * Fixed bug regarding online updates on WIN32.
+ * When zebra.cfg is not available the server will not abort.
+ *
+ * Revision 1.40 2000/11/29 15:21:31 adam
+ * Fixed problem with passwd db.
+ *
+ * Revision 1.39 2000/11/29 14:24:01 adam
+ * Script configure uses yaz pthreads options. Added locking for
+ * zebra_register_{lock,unlock}.
+ *
+ * Revision 1.38 2000/11/08 13:46:58 adam
+ * Fixed scan: server could break if bad attribute/database was selected.
+ * Work on remote update.
+ *
+ * Revision 1.37 2000/10/17 12:37:09 adam
+ * Fixed notification of live-updates. Fixed minor problem with mf_init
+ * where it didn't handle shadow area file names correctly.
+ *
+ * Revision 1.36 2000/09/06 08:59:36 adam
* Using read-only (for now) for server.
*
* Revision 1.35 2000/07/07 12:49:20 adam
static void zebra_register_unlock (ZebraHandle zh);
-static int zebra_register_lock (ZebraHandle zh)
+static int zebra_register_activate (ZebraService zh, int rw);
+static int zebra_register_deactivate (ZebraService zh);
+
+static int zebra_register_lock (ZebraHandle zh, int rw)
{
+ time_t lastChange;
+ int state;
zh->errCode = 0;
zh->errString = 0;
if (!zh->service->active)
zh->errCode = 1019;
return 1;
}
+
#if HAVE_SYS_TIMES_H
times (&zh->tms1);
#endif
+
+ zebra_mutex_cond_lock (&zh->service->session_lock);
+
+ state = zebra_server_lock_get_state(zh->service, &lastChange);
+
+ zebra_server_lock (zh->service, state);
+
+ switch (state)
+ {
+ case 'c':
+ state = 1;
+ break;
+ default:
+ state = 0;
+ }
+ if (rw)
+ logf (LOG_LOG, "Register in read/write mode");
+ else if (zh->service->registerState == state)
+ {
+ logf (LOG_LOG, "registerChange = %ld lastChange = %ld",
+ (long) zh->service->registerChange, (long)lastChange);
+ if (zh->service->registerChange >= lastChange)
+ {
+ return 0;
+ }
+ logf (LOG_LOG, "Register completely updated since last access");
+ }
+ else if (zh->service->registerState == -1)
+ logf (LOG_LOG, "Reading register using state %d pid=%ld", state,
+ (long) getpid());
+ else
+ logf (LOG_LOG, "Register has changed state from %d to %d",
+ zh->service->registerState, state);
+ zh->service->registerChange = lastChange;
+
+ zebra_register_deactivate (zh->service);
+
+ zh->service->registerState = state;
+
+ zebra_register_activate (zh->service, rw);
return 0;
}
+
static void zebra_register_unlock (ZebraHandle zh)
{
+ if (zh->service->registerState != -1)
+ zebra_server_unlock (zh->service, zh->service->registerState);
+ zebra_mutex_cond_unlock (&zh->service->session_lock);
#if HAVE_SYS_TIMES_H
times (&zh->tms2);
logf (LOG_LOG, "user/system: %ld/%ld",
return 0;
zh = (ZebraHandle) xmalloc (sizeof(*zh));
+ yaz_log (LOG_LOG, "zebra_open zs=%p returns %p", zs, zh);
zh->service = zs;
zh->sets = 0;
zebra_mutex_cond_unlock (&zs->session_lock);
- logf(LOG_APP,"CONNECT:");
-
return zh;
}
-static int zebra_register_activate (ZebraService zh, int rw);
-static int zebra_register_deactivate (ZebraService zh);
ZebraService zebra_start (const char *configName)
{
zh->configName = xstrdup(configName);
zh->sessions = 0;
zh->stop_flag = 0;
- zh->active = 0;
+ zh->active = 1;
+
+ zh->registerState = -1;
+ zh->registerChange = 0;
+
+ if (!(zh->res = res_open (zh->configName)))
+ {
+ logf (LOG_WARN, "Failed to read resources `%s'", zh->configName);
+// return zh;
+ }
+ zebra_chdir (zh);
+ zebra_server_lock_init (zh);
zebra_mutex_cond_init (&zh->session_lock);
- zebra_register_activate (zh, 0);
+ if (!res_get (zh->res, "passwd"))
+ zh->passwd_db = NULL;
+ else
+ {
+ zh->passwd_db = passwd_db_open ();
+ if (!zh->passwd_db)
+ logf (LOG_WARN|LOG_ERRNO, "passwd_db_open failed");
+ else
+ passwd_db_file (zh->passwd_db, res_get (zh->res, "passwd"));
+ }
+
return zh;
}
static int zebra_register_activate (ZebraService zh, int rw)
{
- if (zh->active)
- return 0;
- yaz_log (LOG_LOG, "zebra_register_activate");
- if (!(zh->res = res_open (zh->configName)))
+ if (zh->active > 1)
{
- logf (LOG_WARN, "Failed to read resources `%s'", zh->configName);
- return -1;
+ yaz_log (LOG_LOG, "zebra_register_activate (ignored since active=%d)",
+ zh->active);
+ return 0;
}
- zebra_chdir (zh);
+ yaz_log (LOG_LOG, "zebra_register_activate shadow=%s",
+ zh->registerState ? "yes" : "no");
+
zh->dh = data1_create ();
if (!zh->dh)
return -1;
return -1;
}
bf_lockDir (zh->bfs, res_get (zh->res, "lockDir"));
+ bf_cache (zh->bfs, zh->registerState ? res_get (zh->res, "shadow") : NULL);
data1_set_tabpath (zh->dh, res_get(zh->res, "profilePath"));
- zh->registerState = -1; /* trigger open of registers! */
- zh->registerChange = 0;
zh->recTypes = recTypes_init (zh->dh);
recTypes_default_handlers (zh->recTypes);
zebraRankInstall (zh, rank1_class);
- if (!res_get (zh->res, "passwd"))
- zh->passwd_db = NULL;
- else
- {
- zh->passwd_db = passwd_db_open ();
- if (!zh->passwd_db)
- logf (LOG_WARN|LOG_ERRNO, "passwd_db_open failed");
- else
- passwd_db_file (zh->passwd_db, res_get (zh->res, "passwd"));
- }
-
if (!(zh->records = rec_open (zh->bfs, rw, 0)))
{
logf (LOG_WARN, "rec_open");
logf (LOG_WARN, "Cannot obtain EXPLAIN information");
return -1;
}
- zh->active = 1;
+ zh->active = 2;
yaz_log (LOG_LOG, "zebra_register_activate ok");
return 0;
}
void zebra_admin_shutdown (ZebraHandle zh)
{
- zebraExplain_flush (zh->service->zei, 1, zh);
- extract_index (zh);
-
zebra_mutex_cond_lock (&zh->service->session_lock);
zh->service->stop_flag = 1;
if (!zh->service->sessions)
zebra_register_deactivate(zh->service);
+ zh->service->active = 0;
zebra_mutex_cond_unlock (&zh->service->session_lock);
}
zh->errCode = 0;
zebra_mutex_cond_lock (&zs->session_lock);
if (!zs->stop_flag)
- zebra_register_activate(zs, 0);
+ zh->service->active = 1;
zebra_mutex_cond_unlock (&zs->session_lock);
}
-static int zebra_register_deactivate (ZebraService zh)
+static int zebra_register_deactivate (ZebraService zs)
{
- zh->stop_flag = 0;
- if (!zh->active)
+ zs->stop_flag = 0;
+ if (zs->active <= 1)
+ {
+ yaz_log(LOG_LOG, "zebra_register_deactivate (ignored since active=%d)",
+ zs->active);
return 0;
+ }
yaz_log(LOG_LOG, "zebra_register_deactivate");
- zebra_chdir (zh);
- if (zh->records)
+ zebra_chdir (zs);
+ if (zs->records)
{
- zebraExplain_close (zh->zei, 0);
- dict_close (zh->dict);
- sortIdx_close (zh->sortIdx);
- if (zh->isams)
- isams_close (zh->isams);
+ zebraExplain_close (zs->zei, 0);
+ dict_close (zs->dict);
+ sortIdx_close (zs->sortIdx);
+ if (zs->isams)
+ isams_close (zs->isams);
#if ZMBOL
- if (zh->isam)
- is_close (zh->isam);
- if (zh->isamc)
- isc_close (zh->isamc);
- if (zh->isamd)
- isamd_close (zh->isamd);
+ if (zs->isam)
+ is_close (zs->isam);
+ if (zs->isamc)
+ isc_close (zs->isamc);
+ if (zs->isamd)
+ isamd_close (zs->isamd);
#endif
- rec_close (&zh->records);
+ rec_close (&zs->records);
}
- recTypes_destroy (zh->recTypes);
- zebra_maps_close (zh->zebra_maps);
- zebraRankDestroy (zh);
- bfs_destroy (zh->bfs);
- data1_destroy (zh->dh);
-
- if (zh->passwd_db)
- passwd_db_close (zh->passwd_db);
- res_close (zh->res);
- zh->active = 0;
+ recTypes_destroy (zs->recTypes);
+ zebra_maps_close (zs->zebra_maps);
+ zebraRankDestroy (zs);
+ bfs_destroy (zs->bfs);
+ data1_destroy (zs->dh);
+
+ if (zs->passwd_db)
+ passwd_db_close (zs->passwd_db);
+ zs->active = 1;
return 0;
}
-void zebra_stop(ZebraService zh)
+void zebra_stop(ZebraService zs)
{
- if (!zh)
+ if (!zs)
return ;
yaz_log (LOG_LOG, "zebra_stop");
- assert (!zh->sessions);
+ zebra_mutex_cond_lock (&zs->session_lock);
+ while (zs->sessions)
+ zebra_close (zs->sessions);
+
+ zebra_mutex_cond_unlock (&zs->session_lock);
- zebra_mutex_cond_destroy (&zh->session_lock);
+ zebra_mutex_cond_destroy (&zs->session_lock);
- zebra_register_deactivate(zh);
- xfree (zh->configName);
- xfree (zh);
+ zebra_register_deactivate(zs);
+ res_close (zs->res);
+ xfree (zs->configName);
+ xfree (zs);
}
void zebra_close (ZebraHandle zh)
{
ZebraService zs = zh->service;
struct zebra_session **sp;
+
+ yaz_log (LOG_LOG, "zebra_close zh=%p", zh);
if (!zh)
return ;
resultSetDestroy (zh, -1, 0, 0);
const char *setname)
{
zh->hits = 0;
- if (zebra_register_lock (zh))
+ if (zebra_register_lock (zh, 0))
return;
map_basenames (zh, stream, &num_bases, &basenames);
resultSetAddRPN (zh, stream, decode, query, num_bases, basenames, setname);
ZebraPosSet poset;
int i, *pos_array;
- if (zebra_register_lock (zh))
+ if (zebra_register_lock (zh, 0))
return;
pos_array = (int *) xmalloc (num_recs * sizeof(*pos_array));
for (i = 0; i<num_recs; i++)
int *position, int *num_entries, ZebraScanEntry **entries,
int *is_partial)
{
- if (zebra_register_lock (zh))
+ if (zebra_register_lock (zh, 0))
{
*entries = 0;
*num_entries = 0;
const char *output_setname, Z_SortKeySpecList *sort_sequence,
int *sort_status)
{
- if (zebra_register_lock (zh))
+ if (zebra_register_lock (zh, 0))
return;
resultSetSort (zh, stream->mem, num_input_setnames, input_setnames,
output_setname, sort_sequence, sort_status);
int *statuses)
{
int i, status;
- if (zebra_register_lock (zh))
+ if (zebra_register_lock (zh, 0))
return Z_DeleteStatus_systemProblemAtTarget;
switch (function)
{
void zebra_admin_import_begin (ZebraHandle zh, const char *database)
{
- if (zebra_register_lock (zh))
+ if (zebra_register_lock (zh, 1))
return;
xfree (zh->admin_databaseName);
zh->admin_databaseName = xstrdup(database);
- zebra_register_unlock(zh);
}
void zebra_admin_import_end (ZebraHandle zh)
{
zebraExplain_flush (zh->service->zei, 1, zh);
extract_index (zh);
+ zebra_register_unlock (zh);
}
void zebra_admin_import_segment (ZebraHandle zh, Z_Segment *segment)
{
int sysno;
int i;
- if (zebra_register_lock (zh))
+ if (zh->service->active < 2)
return;
for (i = 0; i<segment->num_segmentRecords; i++)
{
}
}
}
- zebra_register_unlock(zh);
}
void zebra_admin_create (ZebraHandle zh, const char *database)
{
ZebraService zs = zh->service;
- if (zebra_register_lock(zh))
+ if (zebra_register_lock(zh, 1))
{
zh->errCode = 1019;
return;
zh->errCode = 224;
zh->errString = "Database already exist";
}
+ zebraExplain_flush (zh->service->zei, 1, zh);
+ extract_index (zh);
zebra_register_unlock(zh);
}
projects / idzebra-moved-to-github.git / blobdiff