function enable_graphs($device, &$graph_enable)
{
// These are standard graphs we should have for all systems
$graph_enable['poller']['poller_perf'] = 'device_poller_perf';
$graph_enable['poller']['poller_modules_perf'] = 'device_poller_modules_perf';
if (can_ping_device($device) === true) {
$graph_enable['poller']['ping_perf'] = 'device_ping_perf';
}
enable_os_graphs($device['os'], $graph_enable);
}
function poll_device($device, $options)
{
global $config, $device, $polled_devices, $db_stats, $memcache;
$attribs = get_dev_attribs($device['device_id']);
$status = 0;
unset($array);
$device_start = utime();
// Start counting device poll time
echo $device['hostname'] . ' ' . $device['device_id'] . ' ' . $device['os'] . ' ';
if ($config['os'][$device['os']]['group']) {
$device['os_group'] = $config['os'][$device['os']]['group'];
echo '(' . $device['os_group'] . ')';
}
echo "\n";
unset($poll_update);
unset($poll_update_query);
unset($poll_separator);
$poll_update_array = array();
$update_array = array();
$host_rrd = $config['rrd_dir'] . '/' . $device['hostname'];
if (!is_dir($host_rrd)) {
mkdir($host_rrd);
echo "Created directory : {$host_rrd}\n";
}
$address_family = snmpTransportToAddressFamily($device['transport']);
$ping_response = isPingable($device['hostname'], $address_family, $attribs);
$device_perf = $ping_response['db'];
$device_perf['device_id'] = $device['device_id'];
$device_perf['timestamp'] = array('NOW()');
if (can_ping_device($attribs) === true && is_array($device_perf)) {
dbInsert($device_perf, 'device_perf');
}
$device['pingable'] = $ping_response['result'];
$ping_time = $ping_response['last_ping_timetaken'];
$response = array();
$status_reason = '';
if ($device['pingable']) {
$device['snmpable'] = isSNMPable($device);
if ($device['snmpable']) {
$status = '1';
$response['status_reason'] = '';
} else {
echo 'SNMP Unreachable';
$status = '0';
$response['status_reason'] = 'snmp';
}
} else {
echo 'Unpingable';
$status = '0';
$response['status_reason'] = 'icmp';
}
if ($device['status'] != $status) {
$poll_update .= $poll_separator . "`status` = '{$status}'";
$poll_separator = ', ';
dbUpdate(array('status' => $status, 'status_reason' => $response['status_reason']), 'devices', 'device_id=?', array($device['device_id']));
dbInsert(array('importance' => '0', 'device_id' => $device['device_id'], 'message' => 'Device is ' . ($status == '1' ? 'up' : 'down')), 'alerts');
log_event('Device status changed to ' . ($status == '1' ? 'Up' : 'Down'), $device, $status == '1' ? 'up' : 'down');
}
if ($status == '1') {
$graphs = array();
$oldgraphs = array();
if ($options['m']) {
foreach (explode(',', $options['m']) as $module) {
if (is_file('includes/polling/' . $module . '.inc.php')) {
include 'includes/polling/' . $module . '.inc.php';
}
}
} else {
foreach ($config['poller_modules'] as $module => $module_status) {
if ($attribs['poll_' . $module] || $module_status && !isset($attribs['poll_' . $module])) {
// TODO per-module polling stats
include 'includes/polling/' . $module . '.inc.php';
} else {
if (isset($attribs['poll_' . $module]) && $attribs['poll_' . $module] == '0') {
echo "Module [ {$module} ] disabled on host.\n";
} else {
echo "Module [ {$module} ] disabled globally.\n";
}
}
}
}
//end if
if (!$options['m']) {
// FIXME EVENTLOGGING -- MAKE IT SO WE DO THIS PER-MODULE?
// This code cycles through the graphs already known in the database and the ones we've defined as being polled here
// If there any don't match, they're added/deleted from the database.
// Ideally we should hold graphs for xx days/weeks/polls so that we don't needlessly hide information.
foreach (dbFetch('SELECT `graph` FROM `device_graphs` WHERE `device_id` = ?', array($device['device_id'])) as $graph) {
if (isset($graphs[$graph['graph']])) {
$oldgraphs[$graph['graph']] = true;
} else {
dbDelete('device_graphs', '`device_id` = ? AND `graph` = ?', array($device['device_id'], $graph['graph']));
}
}
foreach ($graphs as $graph => $value) {
if (!isset($oldgraphs[$graph])) {
echo '+';
dbInsert(array('device_id' => $device['device_id'], 'graph' => $graph), 'device_graphs');
}
echo $graph . ' ';
}
}
//end if
$device_end = utime();
$device_run = $device_end - $device_start;
$device_time = substr($device_run, 0, 5);
// TODO: These should be easy converts to rrd_create_update()
// Poller performance rrd
$poller_rrd = $config['rrd_dir'] . '/' . $device['hostname'] . '/poller-perf.rrd';
if (!is_file($poller_rrd)) {
rrdtool_create($poller_rrd, 'DS:poller:GAUGE:600:0:U ' . $config['rrd_rra']);
}
if (!empty($device_time)) {
$fields = array('poller' => $device_time);
rrdtool_update($poller_rrd, $fields);
}
// Ping response rrd
if (can_ping_device($attribs) === true) {
$ping_rrd = $config['rrd_dir'] . '/' . $device['hostname'] . '/ping-perf.rrd';
if (!is_file($ping_rrd)) {
rrdtool_create($ping_rrd, 'DS:ping:GAUGE:600:0:65535 ' . $config['rrd_rra']);
}
if (!empty($ping_time)) {
$fields = array('ping' => $ping_time);
rrdtool_update($ping_rrd, $fields);
}
$update_array['last_ping'] = array('NOW()');
$update_array['last_ping_timetaken'] = $ping_time;
}
$update_array['last_polled'] = array('NOW()');
$update_array['last_polled_timetaken'] = $device_time;
// echo("$device_end - $device_start; $device_time $device_run");
echo "Polled in {$device_time} seconds\n";
d_echo('Updating ' . $device['hostname'] . "\n");
d_echo($update_array);
$updated = dbUpdate($update_array, 'devices', '`device_id` = ?', array($device['device_id']));
if ($updated) {
echo "UPDATED!\n";
}
unset($storage_cache);
// Clear cache of hrStorage ** MAYBE FIXME? **
unset($cache);
// Clear cache (unify all things here?)
}
//end if
}
function poll_device($device, $options)
{
global $config, $device, $polled_devices, $memcache;
$attribs = get_dev_attribs($device['device_id']);
$device['snmp_max_repeaters'] = $attribs['snmp_max_repeaters'];
$device['snmp_max_oid'] = $attribs['snmp_max_oid'];
$status = 0;
unset($array);
$device_start = microtime(true);
// Start counting device poll time
echo 'Hostname: ' . $device['hostname'] . PHP_EOL;
echo 'Device ID: ' . $device['device_id'] . PHP_EOL;
echo 'OS: ' . $device['os'];
$ip = dnslookup($device);
if (!empty($ip) && $ip != inet6_ntop($device['ip'])) {
log_event('Device IP changed to ' . $ip, $device, 'system');
$db_ip = inet_pton($ip);
dbUpdate(array('ip' => $db_ip), 'devices', 'device_id=?', array($device['device_id']));
}
if ($config['os'][$device['os']]['group']) {
$device['os_group'] = $config['os'][$device['os']]['group'];
echo ' (' . $device['os_group'] . ')';
}
echo PHP_EOL . PHP_EOL;
unset($poll_update);
unset($poll_update_query);
unset($poll_separator);
$poll_update_array = array();
$update_array = array();
$host_rrd = $config['rrd_dir'] . '/' . $device['hostname'];
if ($config['norrd'] !== true && !is_dir($host_rrd)) {
mkdir($host_rrd);
echo "Created directory : {$host_rrd}\n";
}
$address_family = snmpTransportToAddressFamily($device['transport']);
$ping_response = isPingable($device['hostname'], $address_family, $attribs);
$device_perf = $ping_response['db'];
$device_perf['device_id'] = $device['device_id'];
$device_perf['timestamp'] = array('NOW()');
if (can_ping_device($attribs) === true && is_array($device_perf)) {
dbInsert($device_perf, 'device_perf');
}
$device['pingable'] = $ping_response['result'];
$ping_time = $ping_response['last_ping_timetaken'];
$response = array();
$status_reason = '';
if ($device['pingable']) {
$device['snmpable'] = isSNMPable($device);
if ($device['snmpable']) {
$status = '1';
$response['status_reason'] = '';
} else {
echo 'SNMP Unreachable';
$status = '0';
$response['status_reason'] = 'snmp';
}
} else {
echo 'Unpingable';
$status = '0';
$response['status_reason'] = 'icmp';
}
if ($device['status'] != $status) {
$poll_update .= $poll_separator . "`status` = '{$status}'";
$poll_separator = ', ';
dbUpdate(array('status' => $status, 'status_reason' => $response['status_reason']), 'devices', 'device_id=?', array($device['device_id']));
log_event('Device status changed to ' . ($status == '1' ? 'Up' : 'Down') . ' from ' . $response['status_reason'] . ' check.', $device, $status == '1' ? 'up' : 'down');
}
if ($status == '1') {
$graphs = array();
$oldgraphs = array();
// we always want the core module to be included
include 'includes/polling/core.inc.php';
$force_module = false;
if ($options['m']) {
$config['poller_modules'] = array();
foreach (explode(',', $options['m']) as $module) {
if (is_file('includes/polling/' . $module . '.inc.php')) {
$config['poller_modules'][$module] = 1;
$force_module = true;
}
}
}
foreach ($config['poller_modules'] as $module => $module_status) {
$os_module_status = $config['os'][$device['os']]['poller_modules'][$module];
d_echo("Modules status: Global" . (isset($module_status) ? $module_status ? '+ ' : '- ' : ' '));
d_echo("OS" . (isset($os_module_status) ? $os_module_status ? '+ ' : '- ' : ' '));
d_echo("Device" . (isset($attribs['poll_' . $module]) ? $attribs['poll_' . $module] ? '+ ' : '- ' : ' '));
if ($force_module === true || $attribs['poll_' . $module] || $os_module_status && !isset($attribs['poll_' . $module]) || $module_status && !isset($os_module_status) && !isset($attribs['poll_' . $module])) {
$module_start = 0;
$module_time = 0;
$module_start = microtime(true);
echo "\n#### Load poller module {$module} ####\n";
include "includes/polling/{$module}.inc.php";
$module_time = microtime(true) - $module_start;
printf("\n>> Runtime for poller module '%s': %.4f seconds\n", $module, $module_time);
echo "#### Unload poller module {$module} ####\n\n";
// save per-module poller stats
$tags = array('module' => $module, 'rrd_def' => 'DS:poller:GAUGE:600:0:U', 'rrd_name' => array('poller-perf', $module));
$fields = array('poller' => $module_time);
data_update($device, 'poller-perf', $tags, $fields);
// remove old rrd
$oldrrd = rrd_name($device['hostname'], array('poller', $module, 'perf'));
if (is_file($oldrrd)) {
unlink($oldrrd);
}
} elseif (isset($attribs['poll_' . $module]) && $attribs['poll_' . $module] == '0') {
echo "Module [ {$module} ] disabled on host.\n\n";
} elseif (isset($os_module_status) && $os_module_status == '0') {
echo "Module [ {$module} ] disabled on os.\n\n";
} else {
echo "Module [ {$module} ] disabled globally.\n\n";
}
}
// Update device_groups
UpdateGroupsForDevice($device['device_id']);
if (!isset($options['m'])) {
// FIXME EVENTLOGGING -- MAKE IT SO WE DO THIS PER-MODULE?
// This code cycles through the graphs already known in the database and the ones we've defined as being polled here
// If there any don't match, they're added/deleted from the database.
// Ideally we should hold graphs for xx days/weeks/polls so that we don't needlessly hide information.
foreach (dbFetch('SELECT `graph` FROM `device_graphs` WHERE `device_id` = ?', array($device['device_id'])) as $graph) {
if (isset($graphs[$graph['graph']])) {
$oldgraphs[$graph['graph']] = true;
} else {
dbDelete('device_graphs', '`device_id` = ? AND `graph` = ?', array($device['device_id'], $graph['graph']));
}
}
foreach ($graphs as $graph => $value) {
if (!isset($oldgraphs[$graph])) {
echo '+';
dbInsert(array('device_id' => $device['device_id'], 'graph' => $graph), 'device_graphs');
}
echo $graph . ' ';
}
}
//end if
$device_end = microtime(true);
$device_run = $device_end - $device_start;
$device_time = substr($device_run, 0, 5);
// Poller performance
if (!empty($device_time)) {
$tags = array('rrd_def' => 'DS:poller:GAUGE:600:0:U', 'module' => 'ALL');
$fields = array('poller' => $device_time);
data_update($device, 'poller-perf', $tags, $fields);
}
// Ping response
if (can_ping_device($attribs) === true && !empty($ping_time)) {
$tags = array('rrd_def' => 'DS:ping:GAUGE:600:0:65535');
$fields = array('ping' => $ping_time);
$update_array['last_ping'] = array('NOW()');
$update_array['last_ping_timetaken'] = $ping_time;
data_update($device, 'ping-perf', $tags, $fields);
}
$update_array['last_polled'] = array('NOW()');
$update_array['last_polled_timetaken'] = $device_time;
// echo("$device_end - $device_start; $device_time $device_run");
echo "Polled in {$device_time} seconds\n";
d_echo('Updating ' . $device['hostname'] . "\n");
$updated = dbUpdate($update_array, 'devices', '`device_id` = ?', array($device['device_id']));
if ($updated) {
echo "UPDATED!\n";
}
unset($storage_cache);
// Clear cache of hrStorage ** MAYBE FIXME? **
unset($cache);
// Clear cache (unify all things here?)
}
//end if
}
/**
* Check if the given host responds to ICMP echo requests ("pings").
*
* @param string $hostname The hostname or IP address to send ping requests to.
* @param int $address_family The address family (AF_INET for IPv4 or AF_INET6 for IPv6) to use. Defaults to IPv4. Will *not* be autodetected for IP addresses, so it has to be set to AF_INET6 when pinging an IPv6 address or an IPv6-only host.
* @param array $attribs The device attributes
*
* @return bool TRUE if the host responded to at least one ping request, FALSE otherwise.
*/
function isPingable($hostname, $address_family = AF_INET, $attribs = array())
{
global $config;
$response = array();
if (can_ping_device($attribs) === true) {
$fping_params = '';
if (is_numeric($config['fping_options']['retries']) || $config['fping_options']['retries'] > 1) {
$fping_params .= ' -r ' . $config['fping_options']['retries'];
}
if (is_numeric($config['fping_options']['timeout']) || $config['fping_options']['timeout'] > 1) {
$fping_params .= ' -t ' . $config['fping_options']['timeout'];
}
if (is_numeric($config['fping_options']['count']) || $config['fping_options']['count'] > 0) {
$fping_params .= ' -c ' . $config['fping_options']['count'];
}
if (is_numeric($config['fping_options']['millisec']) || $config['fping_options']['millisec'] > 0) {
$fping_params .= ' -p ' . $config['fping_options']['millisec'];
}
$status = fping($hostname, $fping_params, $address_family);
if ($status['loss'] == 100) {
$response['result'] = FALSE;
} else {
$response['result'] = TRUE;
}
if (is_numeric($status['avg'])) {
$response['last_ping_timetaken'] = $status['avg'];
}
$response['db'] = $status;
} else {
$response['result'] = true;
$response['last_ping_timetaken'] = 0;
}
return $response;
}
$basefilename_underscored = preg_replace('/\\./', $config['nfsen_split_char'], $device['hostname']);
$nfsen_filename = strstr($basefilename_underscored, $nfsensuffix, true);
if (is_file($nfsenrrds . $nfsen_filename . '.rrd')) {
$nfsen_rrd_file = $nfsenrrds . $nfsen_filename . '.rrd';
}
}
}
//end if
if ($nfsen_rrd_file) {
echo '<li class="' . $select['nfsen'] . '">
<a href="' . generate_device_url($device, array('tab' => 'nfsen')) . '">
<img src="images/16/rainbow.png" align="absmiddle" border="0" /> Netflow
</a>
</li>';
}
if (can_ping_device($attribs) === true) {
echo '<li class="' . $select['performance'] . '">
<a href="' . generate_device_url($device, array('tab' => 'performance')) . '">
<img src="images/16/chart_line.png" align="absmiddle" border="0" /> Performance
</a>
</li>';
}
echo '<li class="' . $select['notes'] . '">
<a href="' . generate_device_url($device, array('tab' => 'notes')) . '">
<img src="images/16/page_white_text.png" align="absmiddle" border="0" /> Notes
</a>
</li>';
if (device_permitted($device['device_id']) && is_mib_poller_enabled($device)) {
echo '<li class="' . $select['mib'] . '">
<a href="' . generate_device_url($device, array('tab' => 'mib')) . '">
<i class="fa fa-file-text-o"></i> MIB
