/*
- * Copyright (C) 1995-1998, Index Data
+ * Copyright (C) 1995-1999, Index Data
* All rights reserved.
* Sebastian Hammer, Adam Dickmeiss
*
* $Log: zebraapi.c,v $
- * Revision 1.12 1998-11-16 10:18:10 adam
+ * 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
+ * Implemented chdir-setting.
+ *
+ * Revision 1.15 1999/02/17 12:18:12 adam
+ * Fixed zebra_close so that a NULL pointer is ignored.
+ *
+ * Revision 1.14 1999/02/02 14:51:11 adam
+ * Updated WIN32 code specific sections. Changed header.
+ *
+ * Revision 1.13 1998/12/16 12:23:30 adam
+ * Added facility for database name mapping using resource mapdb.
+ *
+ * Revision 1.12 1998/11/16 10:18:10 adam
* Better error reporting for result sets.
*
* Revision 1.11 1998/10/16 08:14:34 adam
*/
#include <stdio.h>
-#ifdef WINDOWS
+#ifdef WIN32
#include <io.h>
#include <process.h>
+#include <direct.h>
#else
#include <unistd.h>
#endif
#include <diagbib1.h>
#include "zserver.h"
+static void zebra_chdir (ZebraHandle zh)
+{
+ const char *dir = res_get (zh->res, "chdir");
+ if (!dir)
+ return;
+ logf (LOG_DEBUG, "chdir %s", dir);
+#ifdef WIN32
+ _chdir(dir);
+#else
+ chdir (dir);
+#endif
+}
+
+static void zebra_register_unlock (ZebraHandle zh);
+
static int zebra_register_lock (ZebraHandle zh)
{
time_t lastChange;
- int state = zebra_server_lock_get_state(zh, &lastChange);
+ int state;
+
+ zh->errCode = 0;
+ zh->errString = 0;
+ zh->hits = 0;
+
+ zebra_chdir (zh);
+
+ state = zebra_server_lock_get_state(zh, &lastChange);
switch (state)
{
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;
- if (!res_get_match (zh->res, "isam", "i", NULL))
- {
- if (!(zh->isamc = isc_open (zh->bfs, FNAME_ISAMC,
- 0, key_isamc_m(zh->res))))
- {
- logf (LOG_WARN, "isc_open");
- return -1;
- }
+ zh->isams = NULL;
+ zh->dict = NULL;
+ zh->sortIdx = NULL;
+ zh->zei = NULL;
+ if (!(zh->records = rec_open (zh->bfs, 0, 0)))
+ {
+ logf (LOG_WARN, "rec_open");
+ zh->errCode = 2;
}
else
{
- if (!(zh->isam = is_open (zh->bfs, FNAME_ISAM, key_compare, 0,
- sizeof (struct it_key), zh->res)))
+ if (!(zh->dict = dict_open (zh->bfs, FNAME_DICT, 40, 0, 0)))
+ {
+ logf (LOG_WARN, "dict_open");
+ zh->errCode = 2;
+ }
+ 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))
+ {
+ 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, "is_open");
- return -1;
+ 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),
else
waitSec = 0;
}
-#ifdef WINDOWS
+#ifdef WIN32
#else
if (waitSec > 0)
sleep (waitSec);
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);
return NULL;
}
+ zebra_chdir (zh);
zebra_server_lock_init (zh);
zh->dh = data1_create ();
zh->bfs = bfs_create (res_get (zh->res, "register"));
void zebra_close (ZebraHandle zh)
{
+ if (!zh)
+ return;
+ zebra_chdir (zh);
if (zh->records)
{
resultSetDestroy (zh);
is_close (zh->isam);
if (zh->isamc)
isc_close (zh->isamc);
+ if (zh->isams)
+ isams_close (zh->isams);
rec_close (&zh->records);
zebra_register_unlock (zh);
}
passwd_db_close (zh->passwd_db);
res_close (zh->res);
xfree (zh);
+ xmalloc_trav("x");
+}
+
+struct map_baseinfo {
+ ZebraHandle zh;
+ NMEM mem;
+ int num_bases;
+ char **basenames;
+ int new_num_bases;
+ char **new_basenames;
+ int new_num_max;
+};
+
+void map_basenames_func (void *vp, const char *name, const char *value)
+{
+ struct map_baseinfo *p = (struct map_baseinfo *) vp;
+ int i, no;
+ char fromdb[128], todb[8][128];
+
+ no =
+ sscanf (value, "%127s %127s %127s %127s %127s %127s %127s %127s %127s",
+ fromdb, todb[0], todb[1], todb[2], todb[3], todb[4],
+ todb[5], todb[6], todb[7]);
+ if (no < 2)
+ return ;
+ no--;
+ for (i = 0; i<p->num_bases; i++)
+ if (p->basenames[i] && !strcmp (p->basenames[i], fromdb))
+ {
+ p->basenames[i] = 0;
+ for (i = 0; i < no; i++)
+ {
+ if (p->new_num_bases == p->new_num_max)
+ return;
+ p->new_basenames[(p->new_num_bases)++] =
+ nmem_strdup (p->mem, todb[i]);
+ }
+ return;
+ }
+}
+
+void map_basenames (ZebraHandle zh, ODR stream,
+ int *num_bases, char ***basenames)
+{
+ struct map_baseinfo info;
+ struct map_baseinfo *p = &info;
+ int i;
+
+ info.zh = zh;
+ info.num_bases = *num_bases;
+ info.basenames = *basenames;
+ info.new_num_max = 128;
+ info.new_num_bases = 0;
+ info.new_basenames = (char **)
+ odr_malloc (stream, sizeof(*info.new_basenames) * info.new_num_max);
+ info.mem = stream->mem;
+
+ res_trav (zh->res, "mapdb", &info, map_basenames_func);
+
+ for (i = 0; i<p->num_bases; i++)
+ if (p->basenames[i] && p->new_num_bases < p->new_num_max)
+ {
+ p->new_basenames[(p->new_num_bases)++] =
+ nmem_strdup (p->mem, p->basenames[i]);
+ }
+ *num_bases = info.new_num_bases;
+ *basenames = info.new_basenames;
+ for (i = 0; i<*num_bases; i++)
+ logf (LOG_LOG, "base %s", (*basenames)[i]);
}
void zebra_search_rpn (ZebraHandle zh, ODR stream, ODR decode,
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);
zebra_register_unlock (zh);
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,
num_entries, entries, is_partial);
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);
projects / idzebra-moved-to-github.git / blobdiff