/**
* Generate an snmp command
*
* @param string $cmd the snmp command to run, like snmpget
* @param array $device the we will be connecting to
* @param string $oids the oids to fetch, separated by spaces
* @param string $options extra snmp command options, usually this is output options
* @param string $mib an additional mib to add to this command
* @param string $mibdir a mib directory to search for mibs, usually prepended with +
* @return string the fully assembled command, ready to run
*/
function gen_snmp_cmd($cmd, $device, $oids, $options = null, $mib = null, $mibdir = null)
{
global $debug;
// populate timeout & retries values from configuration
$timeout = prep_snmp_setting($device, 'timeout');
$retries = prep_snmp_setting($device, 'retries');
if (!isset($device['transport'])) {
$device['transport'] = 'udp';
}
$cmd .= snmp_gen_auth($device);
$cmd .= " {$options}";
$cmd .= $mib ? " -m {$mib}" : '';
$cmd .= mibdir($mibdir, $device);
$cmd .= isset($timeout) ? " -t {$timeout}" : '';
$cmd .= isset($retries) ? " -r {$retries}" : '';
$cmd .= ' ' . $device['transport'] . ':' . $device['hostname'] . ':' . $device['port'];
$cmd .= " {$oids}";
if (!$debug) {
$cmd .= ' 2>/dev/null';
}
return $cmd;
}
function snmp_cache_portName($device, $array)
{
global $config;
$timeout = prep_snmp_setting($device, 'timeout');
$retries = prep_snmp_setting($device, 'retries');
if (!isset($device['transport'])) {
$device['transport'] = 'udp';
}
$cmd = $config['snmpwalk'];
$cmd .= snmp_gen_auth($device);
$cmd .= ' -CI -m CISCO-STACK-MIB -O Qs';
$cmd .= mibdir(null);
$cmd .= isset($timeout) ? ' -t ' . $timeout : '';
$cmd .= isset($retries) ? ' -r ' . $retries : '';
$cmd .= ' ' . $device['transport'] . ':' . $device['hostname'] . ':' . $device['port'] . ' portName';
$output = trim(external_exec($cmd));
// echo("Caching: portName\n");
foreach (explode("\n", $output) as $entry) {
$entry = str_replace('portName.', '', $entry);
list($slotport, $portName) = explode('=', $entry, 2);
$slotport = trim($slotport);
$portName = trim($portName);
if ($array[$slotport]['ifIndex']) {
$ifIndex = $array[$slotport]['ifIndex'];
$array[$slotport]['portName'] = $portName;
$array[$ifIndex]['portName'] = $portName;
}
}
return $array;
}
function snmp_cache_portName($device, $array)
{
global $config;
$timeout = prep_snmp_setting($device, "timeout");
$retries = prep_snmp_setting($device, "retries");
if (!isset($device['transport'])) {
$device['transport'] = "udp";
}
$cmd = $config['snmpwalk'];
$cmd .= snmp_gen_auth($device);
$cmd .= " -CI -m CISCO-STACK-MIB -O Qs";
$cmd .= mibdir(null);
$cmd .= isset($timeout) ? " -t " . $timeout : "";
$cmd .= isset($retries) ? " -r " . $retries : "";
$cmd .= " " . $device['transport'] . ":" . $device['hostname'] . ":" . $device['port'] . " portName";
$output = trim(external_exec($cmd));
$device_id = $device['device_id'];
#echo("Caching: portName\n");
foreach (explode("\n", $output) as $entry) {
$entry = str_replace("portName.", "", $entry);
list($slotport, $portName) = explode("=", $entry, 2);
$slotport = trim($slotport);
$portName = trim($portName);
if ($array[$slotport]['ifIndex']) {
$ifIndex = $array[$slotport]['ifIndex'];
$array[$slotport]['portName'] = $portName;
$array[$ifIndex]['portName'] = $portName;
}
}
return $array;
}