/******************************************************************************
* *
* Function: process_value *
* *
* Purpose: process new item value *
* *
* Parameters: *
* *
* Return value: *
* *
* Author: Alexei Vladishev, Alexander Vladishev *
* *
* Comments: *
* *
******************************************************************************/
static void process_value(zbx_uint64_t itemid, zbx_uint64_t *value_ui64, double *value_dbl, zbx_timespec_t *ts,
int ping_result, char *error)
{
const char *__function_name = "process_value";
DC_ITEM item;
int errcode;
AGENT_RESULT value;
assert(value_ui64 || value_dbl);
zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __function_name);
DCconfig_get_items_by_itemids(&item, &itemid, &errcode, 1);
if (SUCCEED != errcode)
goto clean;
if (NOTSUPPORTED == ping_result)
{
dc_add_history(item.itemid, item.value_type, item.flags, NULL, ts,
ITEM_STATUS_NOTSUPPORTED, error, 0, NULL, 0, 0, 0, 0);
DCrequeue_reachable_item(item.itemid, ITEM_STATUS_NOTSUPPORTED, ts->sec);
}
else
{
init_result(&value);
if (NULL != value_ui64)
SET_UI64_RESULT(&value, *value_ui64);
else
SET_DBL_RESULT(&value, *value_dbl);
dc_add_history(item.itemid, item.value_type, item.flags, &value, ts,
ITEM_STATUS_ACTIVE, NULL, 0, NULL, 0, 0, 0, 0);
DCrequeue_reachable_item(item.itemid, ITEM_STATUS_ACTIVE, ts->sec);
free_result(&value);
}
clean:
DCconfig_clean_items(&item, &errcode, 1);
zabbix_log(LOG_LEVEL_DEBUG, "End of %s()", __function_name);
}
/******************************************************************************
* *
* Function: get_pinger_hosts *
* *
* Purpose: creates buffer which contains list of hosts to ping *
* *
* Parameters: *
* *
* Return value: SUCCEED - the file was created successfully *
* FAIL - otherwise *
* *
* Author: Alexei Vladishev, Alexander Vladishev *
* *
* Comments: *
* *
******************************************************************************/
static void get_pinger_hosts(icmpitem_t **icmp_items, int *icmp_items_alloc, int *icmp_items_count)
{
const char *__function_name = "get_pinger_hosts";
DC_ITEM items[MAX_ITEMS];
int i, num, count, interval, size, timeout, rc;
char error[MAX_STRING_LEN], *addr = NULL;
icmpping_t icmpping;
icmppingsec_type_t type;
zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __function_name);
num = DCconfig_get_poller_items(ZBX_POLLER_TYPE_PINGER, items, MAX_ITEMS);
for (i = 0; i < num; i++)
{
ZBX_STRDUP(items[i].key, items[i].key_orig);
rc = substitute_key_macros(&items[i].key, &items[i].host, NULL, MACRO_TYPE_ITEM_KEY,
error, sizeof(error));
if (SUCCEED == rc)
{
items[i].interface.addr = (1 == items[i].interface.useip ?
items[i].interface.ip_orig : items[i].interface.dns_orig);
rc = parse_key_params(items[i].key, items[i].interface.addr, &icmpping, &addr, &count,
&interval, &size, &timeout, &type, error, sizeof(error));
}
if (SUCCEED == rc)
{
add_icmpping_item(icmp_items, icmp_items_alloc, icmp_items_count, count, interval, size,
timeout, items[i].itemid, addr, icmpping, type);
}
else
{
zbx_timespec_t ts;
zbx_timespec(&ts);
dc_add_history(items[i].itemid, items[i].value_type, items[i].flags, NULL, &ts,
ITEM_STATUS_NOTSUPPORTED, error, 0, NULL, 0, 0, 0, 0);
DCrequeue_reachable_item(items[i].itemid, ITEM_STATUS_NOTSUPPORTED, ts.sec);
}
zbx_free(items[i].key);
}
DCconfig_clean_items(items, NULL, num);
zabbix_log(LOG_LEVEL_DEBUG, "End of %s():%d", __function_name, *icmp_items_count);
}
/******************************************************************************
* *
* Function: get_values *
* *
* Purpose: retrieve values of metrics from monitored hosts *
* *
* Parameters: *
* *
* Return value: *
* *
* Author: Alexei Vladishev *
* *
* Comments: always SUCCEED *
* *
******************************************************************************/
static int get_values(unsigned char poller_type)
{
const char *__function_name = "get_values";
DC_ITEM items[MAX_REACHABLE_ITEMS];
AGENT_RESULT agent;
zbx_uint64_t *ids = NULL, *snmpids = NULL, *ipmiids = NULL;
int ids_alloc = 0, snmpids_alloc = 0, ipmiids_alloc = 0,
ids_num = 0, snmpids_num = 0, ipmiids_num = 0,
i, now, num, res;
static char *key = NULL, *ipmi_ip = NULL, *params = NULL,
*username = NULL, *publickey = NULL, *privatekey = NULL,
*password = NULL, *snmp_community = NULL, *snmp_oid = NULL,
*snmpv3_securityname = NULL, *snmpv3_authpassphrase = NULL,
*snmpv3_privpassphrase = NULL;
zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __function_name);
num = DCconfig_get_poller_items(poller_type, items, ZBX_POLLER_TYPE_UNREACHABLE != poller_type
? MAX_REACHABLE_ITEMS : MAX_UNREACHABLE_ITEMS);
for (i = 0; i < num; i++)
{
zbx_free(key);
key = strdup(items[i].key_orig);
substitute_simple_macros(NULL, NULL, NULL, &items[i], NULL,
&key, MACRO_TYPE_ITEM_KEY, NULL, 0);
items[i].key = key;
switch (items[i].type)
{
case ITEM_TYPE_SNMPv3:
zbx_free(snmpv3_securityname);
zbx_free(snmpv3_authpassphrase);
zbx_free(snmpv3_privpassphrase);
snmpv3_securityname = strdup(items[i].snmpv3_securityname_orig);
snmpv3_authpassphrase = strdup(items[i].snmpv3_authpassphrase_orig);
snmpv3_privpassphrase = strdup(items[i].snmpv3_privpassphrase_orig);
substitute_simple_macros(NULL, NULL, NULL, &items[i], NULL,
&snmpv3_securityname, MACRO_TYPE_ITEM_FIELD, NULL, 0);
substitute_simple_macros(NULL, NULL, NULL, &items[i], NULL,
&snmpv3_authpassphrase, MACRO_TYPE_ITEM_FIELD, NULL, 0);
substitute_simple_macros(NULL, NULL, NULL, &items[i], NULL,
&snmpv3_privpassphrase, MACRO_TYPE_ITEM_FIELD, NULL, 0);
items[i].snmpv3_securityname = snmpv3_securityname;
items[i].snmpv3_authpassphrase = snmpv3_authpassphrase;
items[i].snmpv3_privpassphrase = snmpv3_privpassphrase;
case ITEM_TYPE_SNMPv1:
case ITEM_TYPE_SNMPv2c:
zbx_free(snmp_community);
zbx_free(snmp_oid);
snmp_community = strdup(items[i].snmp_community_orig);
snmp_oid = strdup(items[i].snmp_oid_orig);
substitute_simple_macros(NULL, NULL, NULL, &items[i], NULL,
&snmp_community, MACRO_TYPE_ITEM_FIELD, NULL, 0);
substitute_simple_macros(NULL, NULL, NULL, &items[i], NULL,
&snmp_oid, MACRO_TYPE_ITEM_FIELD, NULL, 0);
items[i].snmp_community = snmp_community;
items[i].snmp_oid = snmp_oid;
break;
case ITEM_TYPE_IPMI:
zbx_free(ipmi_ip);
ipmi_ip = strdup(items[i].host.ipmi_ip_orig);
substitute_simple_macros(NULL, NULL, NULL, &items[i], NULL,
&ipmi_ip, MACRO_TYPE_HOST_IPMI_IP, NULL, 0);
items[i].host.ipmi_ip = ipmi_ip;
break;
case ITEM_TYPE_DB_MONITOR:
zbx_free(params);
params = strdup(items[i].params_orig);
substitute_simple_macros(NULL, NULL, NULL, &items[i], NULL,
¶ms, MACRO_TYPE_ITEM_FIELD, NULL, 0);
items[i].params = params;
break;
case ITEM_TYPE_SSH:
zbx_free(username);
zbx_free(publickey);
zbx_free(privatekey);
zbx_free(password);
zbx_free(params);
username = strdup(items[i].username_orig);
publickey = strdup(items[i].publickey_orig);
privatekey = strdup(items[i].privatekey_orig);
password = strdup(items[i].password_orig);
params = strdup(items[i].params_orig);
substitute_simple_macros(NULL, NULL, NULL, &items[i], NULL,
&username, MACRO_TYPE_ITEM_FIELD, NULL, 0);
substitute_simple_macros(NULL, NULL, NULL, &items[i], NULL,
&publickey, MACRO_TYPE_ITEM_FIELD, NULL, 0);
substitute_simple_macros(NULL, NULL, NULL, &items[i], NULL,
&privatekey, MACRO_TYPE_ITEM_FIELD, NULL, 0);
substitute_simple_macros(NULL, NULL, NULL, &items[i], NULL,
&password, MACRO_TYPE_ITEM_FIELD, NULL, 0);
substitute_simple_macros(NULL, NULL, NULL, &items[i], NULL,
¶ms, MACRO_TYPE_ITEM_FIELD, NULL, 0);
items[i].username = username;
items[i].publickey = publickey;
items[i].privatekey = privatekey;
items[i].password = password;
items[i].params = params;
break;
case ITEM_TYPE_TELNET:
zbx_free(username);
zbx_free(password);
zbx_free(params);
username = strdup(items[i].username_orig);
password = strdup(items[i].password_orig);
params = strdup(items[i].params_orig);
substitute_simple_macros(NULL, NULL, NULL, &items[i], NULL,
&username, MACRO_TYPE_ITEM_FIELD, NULL, 0);
substitute_simple_macros(NULL, NULL, NULL, &items[i], NULL,
&password, MACRO_TYPE_ITEM_FIELD, NULL, 0);
substitute_simple_macros(NULL, NULL, NULL, &items[i], NULL,
¶ms, MACRO_TYPE_ITEM_FIELD, NULL, 0);
items[i].username = username;
items[i].password = password;
items[i].params = params;
break;
}
/* Skip unreachable hosts but do not break the loop. */
switch (items[i].type)
{
case ITEM_TYPE_ZABBIX:
if (SUCCEED == uint64_array_exists(ids, ids_num, items[i].host.hostid))
{
DCrequeue_unreachable_item(items[i].itemid);
zabbix_log(LOG_LEVEL_DEBUG, "Zabbix Host " ZBX_FS_UI64 " is unreachable. Skipping [%s]",
items[i].host.hostid, items[i].key_orig);
continue;
}
break;
case ITEM_TYPE_SNMPv1:
case ITEM_TYPE_SNMPv2c:
case ITEM_TYPE_SNMPv3:
if (SUCCEED == uint64_array_exists(snmpids, snmpids_num, items[i].host.hostid))
{
DCrequeue_unreachable_item(items[i].itemid);
zabbix_log(LOG_LEVEL_DEBUG, "SNMP Host " ZBX_FS_UI64 " is unreachable. Skipping [%s]",
items[i].host.hostid, items[i].key_orig);
continue;
}
break;
case ITEM_TYPE_IPMI:
if (SUCCEED == uint64_array_exists(ipmiids, ipmiids_num, items[i].host.hostid))
{
DCrequeue_unreachable_item(items[i].itemid);
zabbix_log(LOG_LEVEL_DEBUG, "IPMI Host " ZBX_FS_UI64 " is unreachable. Skipping [%s]",
items[i].host.hostid, items[i].key_orig);
continue;
}
break;
default:
/* nothing to do */;
}
init_result(&agent);
res = get_value(&items[i], &agent);
now = time(NULL);
if (res == SUCCEED)
{
activate_host(&items[i], now);
dc_add_history(items[i].itemid, items[i].value_type, &agent, now,
ITEM_STATUS_ACTIVE, NULL, 0, NULL, 0, 0, 0, 0);
DCrequeue_reachable_item(items[i].itemid, ITEM_STATUS_ACTIVE, now);
}
else if (res == NOTSUPPORTED || res == AGENT_ERROR)
{
activate_host(&items[i], now);
dc_add_history(items[i].itemid, items[i].value_type, NULL, now,
ITEM_STATUS_NOTSUPPORTED, agent.msg, 0, NULL, 0, 0, 0, 0);
DCrequeue_reachable_item(items[i].itemid, ITEM_STATUS_NOTSUPPORTED, now);
}
else if (res == NETWORK_ERROR)
{
deactivate_host(&items[i], now, agent.msg);
switch (items[i].type)
{
case ITEM_TYPE_ZABBIX:
uint64_array_add(&ids, &ids_alloc, &ids_num, items[i].host.hostid, 1);
break;
case ITEM_TYPE_SNMPv1:
case ITEM_TYPE_SNMPv2c:
case ITEM_TYPE_SNMPv3:
uint64_array_add(&snmpids, &snmpids_alloc, &snmpids_num, items[i].host.hostid, 1);
break;
case ITEM_TYPE_IPMI:
uint64_array_add(&ipmiids, &ipmiids_alloc, &ipmiids_num, items[i].host.hostid, 1);
break;
default:
/* nothing to do */;
}
DCrequeue_unreachable_item(items[i].itemid);
}
else
{
zbx_error("unknown response code returned: %d", res);
assert(0);
}
free_result(&agent);
}
zbx_free(key);
zbx_free(ipmi_ip);
zbx_free(params);
zbx_free(username);
zbx_free(publickey);
zbx_free(privatekey);
zbx_free(password);
zbx_free(snmp_community);
zbx_free(snmp_oid);
zbx_free(snmpv3_securityname);
zbx_free(snmpv3_authpassphrase);
zbx_free(snmpv3_privpassphrase);
zbx_free(ids);
zbx_free(snmpids);
zbx_free(ipmiids);
zabbix_log(LOG_LEVEL_DEBUG, "End of %s()", __function_name);
return num;
}