* Sebastian Hammer, Adam Dickmeiss
*
* $Log: main.c,v $
- * Revision 1.22 1995-11-28 09:09:42 adam
+ * Revision 1.32 1996-02-01 20:50:04 adam
+ * Bug fix: zebraIndexUnlock was always called even though zebraIndexLock
+ * was never called - happens when no commands are specified.
+ *
+ * Revision 1.31 1996/01/08 19:15:46 adam
+ * New input filter that works!
+ *
+ * Revision 1.30 1995/12/12 16:00:59 adam
+ * System call sync(2) used after update/commit.
+ * Locking (based on fcntl) uses F_EXLCK and F_SHLCK instead of F_WRLCK
+ * and F_RDLCK.
+ *
+ * Revision 1.29 1995/12/11 11:43:30 adam
+ * Locking based on fcntl instead of flock.
+ * Setting commitEnable removed. Command line option -n can be used to
+ * prevent commit if commit setting is defined in the configuration file.
+ *
+ * Revision 1.28 1995/12/08 16:22:56 adam
+ * Work on update while servers are running. Three lock files introduced.
+ * The servers reload their registers when necessary, but they don't
+ * reestablish result sets yet.
+ *
+ * Revision 1.27 1995/12/07 17:38:47 adam
+ * Work locking mechanisms for concurrent updates/commit.
+ *
+ * Revision 1.26 1995/12/06 12:41:23 adam
+ * New command 'stat' for the index program.
+ * Filenames can be read from stdin by specifying '-'.
+ * Bug fix/enhancement of the transformation from terms to regular
+ * expressons in the search engine.
+ *
+ * Revision 1.25 1995/12/01 16:24:39 adam
+ * Commit files use separate meta file area.
+ *
+ * Revision 1.24 1995/11/30 17:01:38 adam
+ * New setting commitCache: points to commit directories/files.
+ * New command commit: commits at the end of a zebraidx run.
+ *
+ * Revision 1.23 1995/11/30 08:34:31 adam
+ * Started work on commit facility.
+ * Changed a few malloc/free to xmalloc/xfree.
+ *
+ * Revision 1.22 1995/11/28 09:09:42 adam
* Zebra config renamed.
* Use setting 'recordId' to identify record now.
* Bug fix in recindex.c: rec_release_blocks was invokeded even
char *arg;
char *configName = NULL;
int nsections;
- int key_open_flag = 0;
+ int disableCommit = 0;
struct recordGroup rGroupDef;
prog = *argv;
if (argc < 2)
{
- fprintf (stderr, "index [-v log] [-m meg] [-c config] [-d base]"
- " [-g group] [update|del dir] ...\n");
+ fprintf (stderr, "zebraidx [options] command <dir> ...\n"
+ "Commands:\n"
+ " update <dir> Update index with files below <dir>.\n"
+ " If <dir> is empty filenames are read from stdin.\n"
+ " delete <dir> Delete index with files below <dir>.\n"
+ " commit Commit changes\n"
+ "Options:\n"
+ " -t <type> Index files as <type> (grs or text).\n"
+ " -c <config> Read configuration file <config>.\n"
+ " -g <group> Index files according to group settings.\n"
+ " -d <database> Records belong to Z39.50 database <database>.\n"
+ " -m <mbytes> Use <mbytes> before flushing keys to disk.\n"
+ " -n Don't use shadow system\n"
+ " -v <level> Set logging to <level>.\n");
exit (1);
}
- while ((ret = options ("t:c:g:v:m:d:", argv, argc, &arg)) != -2)
+ while ((ret = options ("t:c:g:d:m:v:n", argv, argc, &arg)) != -2)
{
if (ret == 0)
{
+ const char *rval;
if(cmd == 0) /* command */
{
+ if (!common_resource)
+ {
+ common_resource = res_open (configName ?
+ configName : FNAME_CONFIG);
+ if (!common_resource)
+ {
+ logf (LOG_FATAL, "Cannot open resource `%s'",
+ configName);
+ exit (1);
+ }
+ data1_tabpath = res_get (common_resource, "profilePath");
+ }
if (!strcmp (arg, "update"))
cmd = 'u';
else if (!strcmp (arg, "del") || !strcmp(arg, "delete"))
cmd = 'd';
+ else if (!strcmp (arg, "commit"))
+ {
+ zebraIndexLock (1);
+ rval = res_get (common_resource, "shadow");
+ if (rval && *rval)
+ bf_cache (1);
+ else
+ {
+ logf (LOG_FATAL, "Cannot perform commit");
+ logf (LOG_FATAL, "No shadow area defined");
+ exit (1);
+ }
+ if (bf_commitExists ())
+ {
+ logf (LOG_LOG, "Commit start");
+ zebraIndexLockMsg ("c");
+ zebraIndexWait (1);
+ logf (LOG_LOG, "Commit execute");
+ bf_commitExec ();
+ sync ();
+ zebraIndexLockMsg ("d");
+ zebraIndexWait (0);
+ logf (LOG_LOG, "Commit clean");
+ bf_commitClean ();
+ }
+ else
+ logf (LOG_LOG, "Nothing to commit");
+ }
+ else if (!strcmp (arg, "stat") || !strcmp (arg, "status"))
+ {
+ zebraIndexLock (0);
+ rval = res_get (common_resource, "shadow");
+ if (rval && *rval)
+ {
+ bf_cache (1);
+ zebraIndexLockMsg ("r");
+ }
+ rec_prstat ();
+ }
else
{
logf (LOG_FATAL, "Unknown command: %s", arg);
{
struct recordGroup rGroup;
- memcpy (&rGroup, &rGroupDef, sizeof(rGroup));
- if (!common_resource)
+ zebraIndexLock (0);
+ rval = res_get (common_resource, "shadow");
+ if (rval && *rval && !disableCommit)
{
- common_resource = res_open (configName ?
- configName : FNAME_CONFIG);
- if (!common_resource)
- {
- logf (LOG_FATAL, "Cannot open resource `%s'",
- configName);
- exit (1);
- }
- data1_tabpath = res_get (common_resource, "profilePath");
- assert (data1_tabpath);
+ bf_cache (1);
+ zebraIndexLockMsg ("r");
}
- if (!key_open_flag)
+ else
{
- key_open (mem_max);
- key_open_flag = 1;
+ bf_cache (0);
+ zebraIndexLockMsg ("w");
}
+ zebraIndexWait (0);
+
+ memcpy (&rGroup, &rGroupDef, sizeof(rGroup));
+ key_open (mem_max);
rGroup.path = arg;
if (cmd == 'u')
+ {
+ logf (LOG_LOG, "Updating %s", rGroup.path);
repositoryUpdate (&rGroup);
+ }
else if (cmd == 'd')
+ {
+ logf (LOG_LOG, "Deleting %s", rGroup.path);
repositoryDelete (&rGroup);
+ }
cmd = 0;
+ nsections = key_close ();
+ if (nsections)
+ {
+ logf (LOG_LOG, "Merging with index");
+ key_input (FNAME_WORD_DICT, FNAME_WORD_ISAM, nsections,
+ 60);
+ sync ();
+ }
}
}
else if (ret == 'v')
configName = arg;
else if (ret == 't')
rGroupDef.recordType = arg;
+ else if (ret == 'n')
+ disableCommit = 1;
else
{
logf (LOG_FATAL, "Unknown option '-%s'", arg);
exit (1);
}
}
- if (!key_open_flag)
- exit (0);
- nsections = key_close ();
- if (!nsections)
- exit (0);
- logf (LOG_LOG, "Merging with index");
- key_input (FNAME_WORD_DICT, FNAME_WORD_ISAM, nsections, 60);
+ if (common_resource)
+ zebraIndexUnlock ();
exit (0);
}