/****************************************************************************** * * * Function: process_trap_for_interface * * * * Purpose: add trap to all matching items for the specified interface * * * * Return value: SUCCEED - a matching item was found * * FAIL - no matching item was found (including fallback items) * * * * Author: Rudolfs Kreicbergs * * * ******************************************************************************/ static int process_trap_for_interface(zbx_uint64_t interfaceid, char *trap, zbx_timespec_t *ts) { DC_ITEM *items = NULL; char cmd[MAX_STRING_LEN], params[MAX_STRING_LEN], regex[MAX_STRING_LEN]; int count, i, ret = FAIL, fallback = -1; count = DCconfig_get_snmp_items_by_interfaceid(interfaceid, &items); for (i = 0; i < count; i++) { if (0 == parse_command(items[i].key_orig, cmd, sizeof(cmd), params, sizeof(params))) continue; if (0 == strcmp(cmd, "snmptrap.fallback")) { fallback = i; continue; } if (0 != strcmp(cmd, "snmptrap") || 0 != get_param(params, 1, regex, sizeof(regex))) continue; if (NULL == zbx_regexp_match(trap, regex, NULL)) continue; ret = SUCCEED; set_item_value(&items[i], trap, ts); } if (FAIL == ret && -1 != fallback) { ret = SUCCEED; set_item_value(&items[fallback], trap, ts); } zbx_free(items); return ret; }
/****************************************************************************** * * * Function: process_trap_for_interface * * * * Purpose: add trap to all matching items for the specified interface * * * * Return value: SUCCEED - a matching item was found * * FAIL - no matching item was found (including fallback items) * * * * Author: Rudolfs Kreicbergs * * * ******************************************************************************/ static int process_trap_for_interface(zbx_uint64_t interfaceid, char *trap, zbx_timespec_t *ts) { DC_ITEM *items = NULL; const char *regex; char error[ITEM_ERROR_LEN_MAX]; size_t num, i; int ret = FAIL, fb = -1, *lastclocks = NULL, *errcodes = NULL; zbx_uint64_t *itemids = NULL; unsigned char *states = NULL; AGENT_RESULT *results = NULL; AGENT_REQUEST request; zbx_vector_ptr_t regexps; zbx_vector_ptr_create(®exps); num = DCconfig_get_snmp_items_by_interfaceid(interfaceid, &items); itemids = zbx_malloc(itemids, sizeof(zbx_uint64_t) * num); states = zbx_malloc(states, sizeof(unsigned char) * num); lastclocks = zbx_malloc(lastclocks, sizeof(int) * num); errcodes = zbx_malloc(errcodes, sizeof(int) * num); results = zbx_malloc(results, sizeof(AGENT_RESULT) * num); for (i = 0; i < num; i++) { init_result(&results[i]); errcodes[i] = FAIL; items[i].key = zbx_strdup(items[i].key, items[i].key_orig); if (SUCCEED != substitute_key_macros(&items[i].key, NULL, &items[i], NULL, MACRO_TYPE_ITEM_KEY, error, sizeof(error))) { SET_MSG_RESULT(&results[i], zbx_strdup(NULL, error)); errcodes[i] = NOTSUPPORTED; continue; } if (0 == strcmp(items[i].key, "snmptrap.fallback")) { fb = i; continue; } init_request(&request); if (SUCCEED != parse_item_key(items[i].key, &request)) goto next; if (0 != strcmp(get_rkey(&request), "snmptrap")) goto next; if (1 < get_rparams_num(&request)) goto next; if (NULL != (regex = get_rparam(&request, 0))) { if ('@' == *regex) { DCget_expressions_by_name(®exps, regex + 1); if (0 == regexps.values_num) { SET_MSG_RESULT(&results[i], zbx_dsprintf(NULL, "Global regular expression \"%s\" does not exist.", regex + 1)); errcodes[i] = NOTSUPPORTED; goto next; } } if (SUCCEED != regexp_match_ex(®exps, trap, regex, ZBX_CASE_SENSITIVE)) goto next; } if (SUCCEED == set_result_type(&results[i], items[i].value_type, items[i].data_type, trap)) errcodes[i] = SUCCEED; else errcodes[i] = NOTSUPPORTED; ret = SUCCEED; next: free_request(&request); } if (FAIL == ret && -1 != fb) { if (SUCCEED == set_result_type(&results[fb], items[fb].value_type, items[fb].data_type, trap)) errcodes[fb] = SUCCEED; else errcodes[fb] = NOTSUPPORTED; ret = SUCCEED; } for (i = 0; i < num; i++) { switch (errcodes[i]) { case SUCCEED: if (ITEM_VALUE_TYPE_LOG == items[i].value_type) { calc_timestamp(results[i].log->value, &results[i].log->timestamp, items[i].logtimefmt); } items[i].state = ITEM_STATE_NORMAL; dc_add_history(items[i].itemid, items[i].value_type, items[i].flags, &results[i], ts, items[i].state, NULL); itemids[i] = items[i].itemid; states[i] = items[i].state; lastclocks[i] = ts->sec; break; case NOTSUPPORTED: items[i].state = ITEM_STATE_NOTSUPPORTED; dc_add_history(items[i].itemid, items[i].value_type, items[i].flags, NULL, ts, items[i].state, results[i].msg); itemids[i] = items[i].itemid; states[i] = items[i].state; lastclocks[i] = ts->sec; break; } zbx_free(items[i].key); free_result(&results[i]); } zbx_free(results); DCrequeue_items(itemids, states, lastclocks, NULL, NULL, errcodes, num); zbx_free(errcodes); zbx_free(lastclocks); zbx_free(states); zbx_free(itemids); DCconfig_clean_items(items, NULL, num); zbx_free(items); zbx_regexp_clean_expressions(®exps); zbx_vector_ptr_destroy(®exps); dc_flush_history(); return ret; }