-/* $Id: zebraapi.c,v 1.87 2003-03-04 23:05:30 pop Exp $
+/* $Id: zebraapi.c,v 1.89 2003-03-04 23:48:55 adam Exp $
Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002
Index Data Aps
#endif
#include <yaz/diagbib1.h>
+#include <yaz/pquery.h>
+#include <yaz/sortspec.h>
#include "index.h"
#include <charmap.h>
#include "zebraapi.h"
zh->basenames = 0;
zh->trans_no = 0;
+ zh->trans_w_no = 0;
zh->lock_normal = 0;
zh->lock_shadow = 0;
zh->errCode=0;
if (zebra_select_database(zh, database))
return;
- zebra_begin_trans (zh);
+ zebra_begin_trans (zh, 1);
xfree (zh->admin_databaseName);
zh->admin_databaseName = xstrdup(database);
}
if (zebra_select_database (zh, database))
return;
- zebra_begin_trans (zh);
+ zebra_begin_trans (zh, 1);
zs = zh->service;
/* announce database */
int zebra_begin_read (ZebraHandle zh)
{
- int dirty = 0;
- char val;
- int seqno;
- ASSERTZH;
-
- assert (zh->res);
-
- (zh->trans_no)++;
-
- if (zh->trans_no != 1)
- {
- zebra_flush_reg (zh);
- return 0;
- }
- zh->errCode=0;
-#if HAVE_SYS_TIMES_H
- times (&zh->tms1);
-#endif
- if (!zh->res)
- {
- (zh->trans_no)--;
- zh->errCode = 109;
- return -1;
- }
- if (!zh->lock_normal || !zh->lock_shadow)
- {
- (zh->trans_no)--;
- zh->errCode = 2;
- return -1;
- }
- zebra_get_state (zh, &val, &seqno);
- if (val == 'd')
- val = 'o';
-
- if (!zh->reg)
- dirty = 1;
- else if (seqno != zh->reg->seqno)
- {
- yaz_log (LOG_LOG, "reopen seqno cur/old %d/%d",
- seqno, zh->reg->seqno);
- dirty = 1;
- }
- else if (zh->reg->last_val != val)
- {
- yaz_log (LOG_LOG, "reopen last cur/old %d/%d",
- val, zh->reg->last_val);
- dirty = 1;
- }
- if (!dirty)
- return 0;
-
- if (val == 'c')
- zebra_lock_r (zh->lock_shadow);
- else
- zebra_lock_r (zh->lock_normal);
-
- if (zh->reg)
- zebra_register_close (zh->service, zh->reg);
- zh->reg = zebra_register_open (zh->service, zh->reg_name,
- 0, val == 'c' ? 1 : 0,
- zh->res, zh->path_reg);
- if (!zh->reg)
- {
- zh->errCode = 109;
- return -1;
- }
- zh->reg->last_val = val;
- zh->reg->seqno = seqno;
-
- return 0;
+ return zebra_begin_trans(zh, 0);
}
void zebra_end_read (ZebraHandle zh)
{
- ASSERTZH;
- (zh->trans_no)--;
-
- if (zh->trans_no != 0)
- return;
-#if HAVE_SYS_TIMES_H
- times (&zh->tms2);
- logf (LOG_LOG, "user/system: %ld/%ld",
- (long) (zh->tms2.tms_utime - zh->tms1.tms_utime),
- (long) (zh->tms2.tms_stime - zh->tms1.tms_stime));
-
-#endif
-
- zebra_unlock (zh->lock_normal);
- zebra_unlock (zh->lock_shadow);
+ zebra_end_trans(zh);
}
-void zebra_begin_trans (ZebraHandle zh)
+int zebra_begin_trans (ZebraHandle zh, int rw)
{
- int pass;
- int seqno = 0;
- char val = '?';
- const char *rval = 0;
ASSERTZHRES;
-
assert (zh->res);
-
- (zh->trans_no++);
- if (zh->trans_no != 1)
+ if (rw)
{
- return;
- }
- zh->errCode=0;
-
- yaz_log (LOG_LOG, "zebra_begin_trans");
-
- zh->records_inserted = 0;
- zh->records_updated = 0;
- zh->records_deleted = 0;
- zh->records_processed = 0;
+ int pass;
+ int seqno = 0;
+ char val = '?';
+ const char *rval = 0;
+
+ (zh->trans_no++);
+ if (zh->trans_w_no)
+ return 0;
+ if (zh->trans_no != 1)
+ {
+ zh->errCode = 2;
+ zh->errString = "write trans not allowed within read trans";
+ return -1;
+ }
+ zh->trans_w_no = zh->trans_no;
+ zh->errCode=0;
+
+ yaz_log (LOG_LOG, "zebra_begin_trans");
+
+ zh->records_inserted = 0;
+ zh->records_updated = 0;
+ zh->records_deleted = 0;
+ zh->records_processed = 0;
+
#if HAVE_SYS_TIMES_H
- times (&zh->tms1);
+ times (&zh->tms1);
#endif
-
- /* lock */
- if (zh->shadow_enable)
- rval = res_get (zh->res, "shadow");
-
- for (pass = 0; pass < 2; pass++)
- {
- if (rval)
- {
- zebra_lock_r (zh->lock_normal);
- zebra_lock_w (zh->lock_shadow);
- }
- else
- {
- zebra_lock_w (zh->lock_normal);
- zebra_lock_w (zh->lock_shadow);
- }
+ /* lock */
+ if (zh->shadow_enable)
+ rval = res_get (zh->res, "shadow");
- zebra_get_state (zh, &val, &seqno);
- if (val == 'c')
- {
- yaz_log (LOG_LOG, "previous transaction didn't finish commit");
- zebra_unlock (zh->lock_shadow);
- zebra_unlock (zh->lock_normal);
- zebra_commit (zh);
- continue;
- }
- else if (val == 'd')
+ for (pass = 0; pass < 2; pass++)
{
if (rval)
{
- BFiles bfs = bfs_create (res_get (zh->res, "shadow"),
- zh->path_reg);
- yaz_log (LOG_LOG, "previous transaction didn't reach commit");
- bf_commitClean (bfs, rval);
- bfs_destroy (bfs);
+ zebra_lock_r (zh->lock_normal);
+ zebra_lock_w (zh->lock_shadow);
}
else
{
- yaz_log (LOG_WARN, "your previous transaction didn't finish");
+ zebra_lock_w (zh->lock_normal);
+ zebra_lock_w (zh->lock_shadow);
+ }
+
+ zebra_get_state (zh, &val, &seqno);
+ if (val == 'c')
+ {
+ yaz_log (LOG_LOG, "previous transaction didn't finish commit");
+ zebra_unlock (zh->lock_shadow);
+ zebra_unlock (zh->lock_normal);
+ zebra_commit (zh);
+ continue;
+ }
+ else if (val == 'd')
+ {
+ if (rval)
+ {
+ BFiles bfs = bfs_create (res_get (zh->res, "shadow"),
+ zh->path_reg);
+ yaz_log (LOG_LOG, "previous transaction didn't reach commit");
+ bf_commitClean (bfs, rval);
+ bfs_destroy (bfs);
+ }
+ else
+ {
+ yaz_log (LOG_WARN, "your previous transaction didn't finish");
+ }
}
+ break;
}
- break;
+ if (pass == 2)
+ {
+ yaz_log (LOG_FATAL, "zebra_begin_trans couldn't finish commit");
+ abort();
+ return -1;
+ }
+ zebra_set_state (zh, 'd', seqno);
+
+ zh->reg = zebra_register_open (zh->service, zh->reg_name,
+ 1, rval ? 1 : 0, zh->res,
+ zh->path_reg);
+
+ zh->reg->seqno = seqno;
}
- if (pass == 2)
+ else
{
- yaz_log (LOG_FATAL, "zebra_begin_trans couldn't finish commit");
- abort();
- return;
+ int dirty = 0;
+ char val;
+ int seqno;
+
+ (zh->trans_no)++;
+
+ if (zh->trans_no != 1)
+ {
+ zebra_flush_reg (zh);
+ return 0;
+ }
+ zh->errCode=0;
+#if HAVE_SYS_TIMES_H
+ times (&zh->tms1);
+#endif
+ if (!zh->res)
+ {
+ (zh->trans_no)--;
+ zh->errCode = 109;
+ return -1;
+ }
+ if (!zh->lock_normal || !zh->lock_shadow)
+ {
+ (zh->trans_no)--;
+ zh->errCode = 2;
+ return -1;
+ }
+ zebra_get_state (zh, &val, &seqno);
+ if (val == 'd')
+ val = 'o';
+
+ if (!zh->reg)
+ dirty = 1;
+ else if (seqno != zh->reg->seqno)
+ {
+ yaz_log (LOG_LOG, "reopen seqno cur/old %d/%d",
+ seqno, zh->reg->seqno);
+ dirty = 1;
+ }
+ else if (zh->reg->last_val != val)
+ {
+ yaz_log (LOG_LOG, "reopen last cur/old %d/%d",
+ val, zh->reg->last_val);
+ dirty = 1;
+ }
+ if (!dirty)
+ return 0;
+
+ if (val == 'c')
+ zebra_lock_r (zh->lock_shadow);
+ else
+ zebra_lock_r (zh->lock_normal);
+
+ if (zh->reg)
+ zebra_register_close (zh->service, zh->reg);
+ zh->reg = zebra_register_open (zh->service, zh->reg_name,
+ 0, val == 'c' ? 1 : 0,
+ zh->res, zh->path_reg);
+ if (!zh->reg)
+ {
+ zh->errCode = 109;
+ return -1;
+ }
+ zh->reg->last_val = val;
+ zh->reg->seqno = seqno;
}
- zebra_set_state (zh, 'd', seqno);
-
- zh->reg = zebra_register_open (zh->service, zh->reg_name,
- 1, rval ? 1 : 0, zh->res,
- zh->path_reg);
-
- zh->reg->seqno = seqno;
+ return 0;
}
void zebra_end_trans (ZebraHandle zh) {
status->utime = 0;
status->stime = 0;
- zh->trans_no--;
- if (zh->trans_no != 0)
- return;
- yaz_log (LOG_LOG, "zebra_end_trans");
- rval = res_get (zh->res, "shadow");
-
- zebraExplain_runNumberIncrement (zh->reg->zei, 1);
-
- zebra_flush_reg (zh);
-
- zebra_register_close (zh->service, zh->reg);
- zh->reg = 0;
-
- yaz_log (LOG_LOG, "Records: %7d i/u/d %d/%d/%d",
- zh->records_processed, zh->records_inserted,
- zh->records_updated, zh->records_deleted);
-
- status->processed = zh->records_processed;
- status->inserted = zh->records_inserted;
- status->updated = zh->records_updated;
- status->deleted = zh->records_deleted;
-
- zebra_get_state (zh, &val, &seqno);
- if (val != 'd')
+ if (zh->trans_no != zh->trans_w_no)
{
- BFiles bfs = bfs_create (rval, zh->path_reg);
- yaz_log (LOG_LOG, "deleting shadow stuff val=%c", val);
- bf_commitClean (bfs, rval);
- bfs_destroy (bfs);
- }
- if (!rval)
- seqno++;
- zebra_set_state (zh, 'o', seqno);
+ zh->trans_no--;
+ if (zh->trans_no != 0)
+ return;
- zebra_unlock (zh->lock_shadow);
- zebra_unlock (zh->lock_normal);
+ /* release read lock */
+ zebra_unlock (zh->lock_normal);
+ zebra_unlock (zh->lock_shadow);
+ }
+ else
+ { /* release write lock */
+ zh->trans_no--;
+ zh->trans_w_no = 0;
+
+ yaz_log (LOG_LOG, "zebra_end_trans");
+ rval = res_get (zh->res, "shadow");
+
+ zebraExplain_runNumberIncrement (zh->reg->zei, 1);
+
+ zebra_flush_reg (zh);
+
+ zebra_register_close (zh->service, zh->reg);
+ zh->reg = 0;
+
+ yaz_log (LOG_LOG, "Records: %7d i/u/d %d/%d/%d",
+ zh->records_processed, zh->records_inserted,
+ zh->records_updated, zh->records_deleted);
+
+ status->processed = zh->records_processed;
+ status->inserted = zh->records_inserted;
+ status->updated = zh->records_updated;
+ status->deleted = zh->records_deleted;
+
+ zebra_get_state (zh, &val, &seqno);
+ if (val != 'd')
+ {
+ BFiles bfs = bfs_create (rval, zh->path_reg);
+ yaz_log (LOG_LOG, "deleting shadow stuff val=%c", val);
+ bf_commitClean (bfs, rval);
+ bfs_destroy (bfs);
+ }
+ if (!rval)
+ seqno++;
+ zebra_set_state (zh, 'o', seqno);
+
+ zebra_unlock (zh->lock_shadow);
+ zebra_unlock (zh->lock_normal);
+
+ }
#if HAVE_SYS_TIMES_H
times (&zh->tms2);
logf (LOG_LOG, "user/system: %ld/%ld",
- (long) (zh->tms2.tms_utime - zh->tms1.tms_utime),
- (long) (zh->tms2.tms_stime - zh->tms1.tms_stime));
-
+ (long) (zh->tms2.tms_utime - zh->tms1.tms_utime),
+ (long) (zh->tms2.tms_stime - zh->tms1.tms_stime));
+
status->utime = (long) (zh->tms2.tms_utime - zh->tms1.tms_utime);
status->stime = (long) (zh->tms2.tms_stime - zh->tms1.tms_stime);
#endif
-
- return;
}
void zebra_repository_update (ZebraHandle zh)
int olderr;
ASSERTZH;
zh->errCode=0;
- zebra_begin_trans (zh);
+ zebra_begin_trans (zh, 1);
if (zh->errCode)
return 0; /* bad sysno */
extract_rec_in_mem (zh, "grs.sgml",
if (buf_size < 1) buf_size = strlen(buf);
- zebra_begin_trans(zh);
+ zebra_begin_trans(zh, 1);
res=bufferExtractRecord (zh, buf, buf_size, rGroup,
0, // delete_flag
0, // test_mode,
if (buf_size < 1) buf_size = strlen(buf);
- zebra_begin_trans(zh);
+ zebra_begin_trans(zh, 1);
res=bufferExtractRecord (zh, buf, buf_size, rGroup,
1, // delete_flag
0, // test_mode,
ODR odr_input, ODR odr_output,
const char *pqf_query,
const char *setname)
-
+
{
- int hits;
- Z_RPNQuery *query;
- query = p_query_rpn (odr_input, PROTO_Z3950, pqf_query);
-
- if (!query) {
- logf (LOG_WARN, "bad query %s\n", pqf_query);
+ int hits;
+ Z_RPNQuery *query;
+ query = p_query_rpn (odr_input, PROTO_Z3950, pqf_query);
+
+ if (!query) {
+ logf (LOG_WARN, "bad query %s\n", pqf_query);
+ odr_reset (odr_input);
+ return(0);
+ }
+ zebra_search_RPN (zh, odr_input, odr_output, query, setname, &hits);
+
odr_reset (odr_input);
- return(0);
- }
- zebra_search_RPN (zh, odr_input, odr_output, query, setname, &hits);
-
- odr_reset (odr_input);
- odr_reset (odr_output);
-
- return(hits);
+ odr_reset (odr_output);
+
+ return(hits);
}
/* ---------------------------------------------------------------------------
const char *sort_spec,
const char *output_setname,
const char **input_setnames
- )
+ )
{
- int num_input_setnames = 0;
- int sort_status = 0;
- Z_SortKeySpecList *sort_sequence = yaz_sort_spec (stream, sort_spec);
- if (!sort_sequence) {
- logf(LOG_WARN,"invalid sort specs '%s'", sort_spec);
- zh->errCode = 207;
+ int num_input_setnames = 0;
+ int sort_status = 0;
+ Z_SortKeySpecList *sort_sequence = yaz_sort_spec (stream, sort_spec);
+ if (!sort_sequence) {
+ logf(LOG_WARN,"invalid sort specs '%s'", sort_spec);
+ zh->errCode = 207;
return (-1);
- }
-
- /* we can do this, since the perl typemap code for char** will
- put a NULL at the end of list */
- while (input_setnames[num_input_setnames]) num_input_setnames++;
+ }
+
+ /* we can do this, since the perl typemap code for char** will
+ put a NULL at the end of list */
+ while (input_setnames[num_input_setnames]) num_input_setnames++;
- if (zebra_begin_read (zh))
- return;
-
- resultSetSort (zh, stream->mem, num_input_setnames, input_setnames,
- output_setname, sort_sequence, &sort_status);
-
- zebra_end_read(zh);
- return (sort_status);
+ if (zebra_begin_read (zh))
+ return -1;
+
+ resultSetSort (zh, stream->mem, num_input_setnames, input_setnames,
+ output_setname, sort_sequence, &sort_status);
+
+ zebra_end_read(zh);
+ return (sort_status);
}