示例#1
0
/*
 * snmp_update_cache_stats()
 *
 * Reads the backend cache stats from the backend monitor entry and 
 * updates the global counter used by the SNMP sub-agent as well as
 * the SNMP monitor entry.
 */
static void
snmp_update_cache_stats(void)
{
    Slapi_Backend       *be, *be_next;
    char                *cookie = NULL;
    Slapi_PBlock        *search_result_pb = NULL;
    Slapi_Entry         **search_entries;
    int                 search_result;

    /* set the cache hits/cache entries info */
    be = slapi_get_first_backend(&cookie);
    if (!be){
    	slapi_ch_free ((void **) &cookie);
        return;
    }

    be_next = slapi_get_next_backend(cookie);

    slapi_ch_free ((void **) &cookie);

    /* for now, only do it if there is only 1 backend, otherwise don't know 
     * which backend to pick */
    if(be_next == NULL)
    {
        Slapi_DN monitordn;
        slapi_sdn_init(&monitordn);
        be_getmonitordn(be,&monitordn);
   
        /* do a search on the monitor dn to get info */
        search_result_pb = slapi_search_internal( slapi_sdn_get_dn(&monitordn),
                LDAP_SCOPE_BASE,
                "objectclass=*", 
                NULL,
                NULL,
                0);
        slapi_sdn_done(&monitordn);

        slapi_pblock_get( search_result_pb, SLAPI_PLUGIN_INTOP_RESULT, &search_result);

        if(search_result == 0)
        {
            slapi_pblock_get( search_result_pb,SLAPI_PLUGIN_INTOP_SEARCH_ENTRIES,
                    &search_entries);

            /* set the entrycachehits */
            slapi_counter_set_value(g_get_global_snmp_vars()->entries_tbl.dsCacheHits,
                    slapi_entry_attr_get_ulonglong(search_entries[0], "entrycachehits"));
		    
            /* set the currententrycachesize */
            slapi_counter_set_value(g_get_global_snmp_vars()->entries_tbl.dsCacheEntries,
                    slapi_entry_attr_get_ulonglong(search_entries[0], "currententrycachesize"));
        }

        slapi_free_search_results_internal(search_result_pb);
        slapi_pblock_destroy(search_result_pb);
    }
}
示例#2
0
/*
 * lookup instance names by suffix.
 * if isexact == 0: returns instances including ones that associates with
 *					its sub suffixes.
 *					e.g., suffix: "o=<suffix>" is given, these are returned:
 *						  suffixes: o=<suffix>, ou=<ou>,o=<suffix>, ...
 *						  instances: inst of "o=<suffix>",
 *									 inst of "ou=<ou>,o=<suffix>",
 *										...
 * if isexact != 0: returns an instance that associates with the given suffix
 *					e.g., suffix: "o=<suffix>" is given, these are returned:
 *						  suffixes: "o=<suffix>"
 *						  instances: inst of "o=<suffix>"
 * Note: if suffixes 
 */
int
slapi_lookup_instance_name_by_suffix(char *suffix,
							char ***suffixes, char ***instances, int isexact)
{
	Slapi_Backend *be = NULL;
	struct suffixlist *list;
	char *cookie = NULL;
	const char *thisdn;
	int thisdnlen;
	int suffixlen;
	int count;
	int i;
	int rval = -1;

	if (instances == NULL)
		return rval;

	PR_ASSERT(suffix);

	rval = 0;
	suffixlen = strlen(suffix);
	cookie = NULL;
	be = slapi_get_first_backend (&cookie);
	while (be) {
		if (NULL == be->be_suffixlist) {
			be = (backend *)slapi_get_next_backend (cookie);
			continue;
		}
		count = slapi_counter_get_value(be->be_suffixcounter);
		list = be->be_suffixlist;
		for (i = 0; list && i < count; i++) {
			thisdn = slapi_sdn_get_ndn(list->be_suffix);
			thisdnlen = slapi_sdn_get_ndn_len(list->be_suffix);
			if (isexact?suffixlen!=thisdnlen:suffixlen>thisdnlen){
				list = list->next;
				continue;
			}
			if (isexact?(!slapi_UTF8CASECMP(suffix, (char *)thisdn)):
				(!slapi_UTF8CASECMP(suffix,	(char *)thisdn+thisdnlen-suffixlen)))
			{
				charray_add(instances, slapi_ch_strdup(be->be_name));
				if (suffixes)
					charray_add(suffixes, slapi_ch_strdup(thisdn));
			}
			list = list->next;
		}
		be = (backend *)slapi_get_next_backend (cookie);
	}
	slapi_ch_free((void **)&cookie);
	
	return rval;
}
示例#3
0
文件: usn.c 项目: leto/389-ds
/*
 * usn_rootdse_search -- callback for the search on root DSN
 *                       add lastusn value per backend
 *
 * example:
 * ldapsearch -b "" -s base "(objectclass=*)" lastusn
 * dn:
 * lastusn;userroot: 72
 * lastusn;testbackend: 15
 */
static int
usn_rootdse_search(Slapi_PBlock *pb, Slapi_Entry* e, Slapi_Entry* entryAfter,
                   int *returncode, char *returntext, void *arg)
{
    char *cookie = NULL;
    Slapi_Backend *be;
    struct berval *vals[2];
    struct berval usn_berval;
    vals[0] = &usn_berval;
    vals[1] = NULL;
    char counter_buf[USN_COUNTER_BUF_LEN];
    int attr_len = 64; /* length of lastusn;<backend_name> */
    char *attr = (char *)slapi_ch_malloc(attr_len);
    char *attr_subp = NULL;
    int isglobal = config_get_entryusn_global();

    slapi_log_error(SLAPI_LOG_TRACE, USN_PLUGIN_SUBSYSTEM,
                    "--> usn_rootdse_search\n");

    usn_berval.bv_val = counter_buf;
    if (isglobal) {
        /* nsslapd-entryusn-global: on*/
        /* root dse shows ...
         * lastusn: <num> */
        PR_snprintf(attr, USN_LAST_USN_ATTR_CORE_LEN + 1, "%s", USN_LAST_USN);
        for (be = slapi_get_first_backend(&cookie); be;
             be = slapi_get_next_backend(cookie)) {
            if (be->be_usn_counter) {
                break;
            }
        }
        if (be && be->be_usn_counter) {
            /* get a next USN counter from be_usn_counter; 
             * then minus 1 from it */
            PR_snprintf(usn_berval.bv_val, USN_COUNTER_BUF_LEN, "%" NSPRI64 "d",
                                slapi_counter_get_value(be->be_usn_counter)-1);
            usn_berval.bv_len = strlen(usn_berval.bv_val);
            slapi_entry_attr_replace(e, attr, vals);
        }
    } else {
        /* nsslapd-entryusn-global: off (default) */
        /* root dse shows ...
         * lastusn;<backend>: <num> */
        PR_snprintf(attr, USN_LAST_USN_ATTR_CORE_LEN + 2, "%s;", USN_LAST_USN);
        attr_subp = attr + USN_LAST_USN_ATTR_CORE_LEN + 1;
        for (be = slapi_get_first_backend(&cookie); be;
             be = slapi_get_next_backend(cookie)) {
            if (NULL == be->be_usn_counter) {
                /* no counter == not a db backend */
                continue;
            }
            /* get a next USN counter from be_usn_counter; 
             * then minus 1 from it */
            PR_snprintf(usn_berval.bv_val, USN_COUNTER_BUF_LEN, "%" NSPRI64 "d",
                                slapi_counter_get_value(be->be_usn_counter)-1);
            usn_berval.bv_len = strlen(usn_berval.bv_val);
    
            if (USN_LAST_USN_ATTR_CORE_LEN+strlen(be->be_name)+2 > attr_len) {
                attr_len *= 2;
                attr = (char *)slapi_ch_realloc(attr, attr_len);
                attr_subp = attr + USN_LAST_USN_ATTR_CORE_LEN;
            }
            PR_snprintf(attr_subp, attr_len - USN_LAST_USN_ATTR_CORE_LEN,
                                    "%s", be->be_name);
            slapi_entry_attr_replace(e, attr, vals);
        }
    }

    slapi_ch_free_string(&cookie);
    slapi_ch_free_string(&attr);

    slapi_log_error(SLAPI_LOG_TRACE, USN_PLUGIN_SUBSYSTEM,
                    "<-- usn_rootdse_search\n");
    return SLAPI_DSE_CALLBACK_OK;
}