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<?php |
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namespace Trapdirector; |
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/** |
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* MIB queries and update |
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* |
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* @license GPL |
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* @author Patrick Proy |
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* @package trapdirector |
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* @subpackage Processing |
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* |
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*/ |
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class Mib |
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{ |
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use \MibDatabase; |
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/** @var Logging $logging logging class */ |
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protected $logging; |
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/** @var Database $trapsDB Database class */ |
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protected $trapsDB; |
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/** @var string $snmptranslate */ |
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public $snmptranslate; |
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/** @var string $snmptranslateDirs */ |
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public $snmptranslateDirs; |
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private $dbOidAll; //< All oid in database; |
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private $dbOidIndex; //< Index of oid in dbOidAll |
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private $objectsAll; //< output lines of snmptranslate list |
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private $trapObjectsIndex; //< array of traps objects (as OID) |
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private $oidDesc=array(); //< $oid,$mib,$name,$type,$textConv,$dispHint,$syntax,$type_enum,$description=NULL |
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// Timing vars for update |
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private $timing=array(); |
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/** |
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* Setup Mib Class |
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* @param Logging $logClass : where to log |
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* @param Database $dbClass : Database |
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*/ |
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function __construct($logClass,$dbClass,$snmptrans,$snmptransdir) |
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{ |
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$this->logging=$logClass; |
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$this->trapsDB=$dbClass; |
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$this->snmptranslate=$snmptrans; |
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$this->snmptranslateDirs=$snmptransdir; |
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} |
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/** |
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* @return \Trapdirector\Logging |
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*/ |
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public function getLogging() |
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{ |
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return $this->logging; |
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} |
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/** |
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* @return \Trapdirector\Database |
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*/ |
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public function getTrapsDB() |
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{ |
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return $this->trapsDB; |
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} |
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/** |
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* Get object details & mib , returns snmptranslate output |
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* @param string $object : object name |
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* @param string $trapmib : mib of trap |
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* @return NULL|array : null if not found, or output of snmptranslate |
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*/ |
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private function get_object_details($object,$trapmib) |
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{ |
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$match=$snmptrans=array(); |
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$retVal=0; |
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$this->oidDesc['mib']=$trapmib; |
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exec($this->snmptranslate . ' -m ALL -M +'.$this->snmptranslateDirs. |
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' -On -Td '.$this->oidDesc['mib'].'::'.$object . ' 2>/dev/null',$snmptrans,$retVal); |
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if ($retVal!=0) |
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{ |
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// Maybe not trap mib, search with IR |
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exec($this->snmptranslate . ' -m ALL -M +'.$this->snmptranslateDirs. |
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' -IR '.$object . ' 2>/dev/null',$snmptrans,$retVal); |
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if ($retVal != 0 || !preg_match('/(.*)::(.*)/',$snmptrans[0],$match)) |
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{ // Not found -> continue with warning |
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$this->logging->log('Error finding trap object : '.$trapmib.'::'.$object,2,''); |
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return null; |
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} |
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$this->oidDesc['mib']=$match[1]; |
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// Do the snmptranslate again. |
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exec($this->snmptranslate . ' -m ALL -M +'.$this->snmptranslateDirs. |
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' -On -Td '.$this->oidDesc['mib'].'::'.$object,$snmptrans,$retVal); |
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if ($retVal!=0) { |
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$this->logging->log('Error finding trap object : '.$this->oidDesc['mib'].'::'.$object,2,''); |
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return null; |
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} |
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} |
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return $snmptrans; |
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} |
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/** |
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* Parse snmptranslate output and set $this->oidDesc with elements |
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* @param array $snmptrans : multi line output of snmptrans |
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*/ |
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private function parse_object($snmptrans) |
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{ |
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$tmpdesc=''; // For multiline description |
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$indesc=false; // true if currently inside multiline description |
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$match=array(); |
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foreach ($snmptrans as $line) |
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{ |
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if ($indesc===true) |
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{ |
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$line=preg_replace('/[\t ]+/',' ',$line); |
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if (preg_match('/(.*)"$/', $line,$match)) |
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{ |
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$this->oidDesc['description'] = $tmpdesc . $match[1]; |
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$indesc=false; |
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} |
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$tmpdesc.=$line; |
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continue; |
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} |
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if (preg_match('/^\.[0-9\.]+$/', $line)) |
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{ |
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$this->oidDesc['oid']=$line; |
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continue; |
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} |
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if (preg_match('/^[\t ]+SYNTAX[\t ]+([^{]*) \{(.*)\}/',$line,$match)) |
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{ |
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$this->oidDesc['syntax']=$match[1]; |
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$this->oidDesc['type_enum']=$match[2]; |
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continue; |
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} |
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if (preg_match('/^[\t ]+SYNTAX[\t ]+(.*)/',$line,$match)) |
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{ |
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$this->oidDesc['syntax']=$match[1]; |
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continue; |
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} |
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if (preg_match('/^[\t ]+DISPLAY-HINT[\t ]+"(.*)"/',$line,$match)) |
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{ |
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$this->oidDesc['dispHint']=$match[1]; |
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continue; |
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} |
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if (preg_match('/^[\t ]+DESCRIPTION[\t ]+"(.*)"/',$line,$match)) |
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{ |
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$this->oidDesc['description']=$match[1]; |
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continue; |
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} |
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if (preg_match('/^[\t ]+DESCRIPTION[\t ]+"(.*)/',$line,$match)) |
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{ |
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$tmpdesc=$match[1]; |
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$indesc=true; |
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continue; |
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} |
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if (preg_match('/^[\t ]+-- TEXTUAL CONVENTION[\t ]+(.*)/',$line,$match)) |
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{ |
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$this->oidDesc['textconv']=$match[1]; |
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continue; |
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} |
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} |
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} |
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/** |
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* create or update (with check_existing = true) objects of trap |
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* @param string $trapOID : trap oid |
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* @param string $trapmib : mib of trap |
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* @param array $objects : array of objects name (without MIB) |
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* @param bool $check_existing : check instead of create |
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*/ |
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public function trap_objects($trapOID,$trapmib,$objects,$check_existing) |
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{ |
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$trapId = $this->dbOidIndex[$trapOID]['id']; // Get id of trap |
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if ($check_existing === true) |
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{ |
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$dbObjects=$this->cache_db_objects($trapId); |
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} |
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foreach ($objects as $object) |
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{ |
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$this->reset_oidDesc(); |
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$snmptrans=$this->get_object_details($object, $trapmib); // Get object mib & details |
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if ($snmptrans === null) continue; // object not found |
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$this->parse_object($snmptrans); |
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$this->oidDesc['name'] = $object; |
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$this->logging->log("Adding object ".$this->oidDesc['name']." : ".$this->oidDesc['oid']." / ".$this->oidDesc['syntax']." / ".$this->oidDesc['type_enum']." / ".$this->oidDesc['dispHint']." / ".$this->oidDesc['textconv'],DEBUG ); |
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// Update |
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$this->update_oid(); |
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if (isset($dbObjects[$this->dbOidIndex[$this->oidDesc['oid']]['id']])) |
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{ // if link exists, continue |
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$dbObjects[$this->dbOidIndex[$this->oidDesc['oid']]['id']]=2; |
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continue; |
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} |
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if ($check_existing === true) |
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{ |
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// TODO : check link trap - objects exists, mark them. |
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} |
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// Associate in object table |
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$db_conn=$this->trapsDB->db_connect_trap(); |
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$sql='INSERT INTO '.$this->trapsDB->dbPrefix.'mib_cache_trap_object (trap_id,object_id) '. |
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'values (:trap_id, :object_id)'; |
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$sqlQuery=$db_conn->prepare($sql); |
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$sqlParam=array( |
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':trap_id' => $trapId, |
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':object_id' => $this->dbOidIndex[$this->oidDesc['oid']]['id'], |
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); |
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if ($sqlQuery->execute($sqlParam) === false) { |
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$this->logging->log('Error adding trap object : ' . $sql . ' / ' . $trapId . '/'. $this->dbOidIndex[$this->oidDesc['oid']]['id'] ,1,''); |
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} |
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} |
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if ($check_existing === true) |
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{ |
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// TODO : remove link trap - objects that wasn't marked. |
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} |
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} |
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private function reset_oidDesc() |
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{ |
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$this->oidDesc['oid']=null; |
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$this->oidDesc['name']=null; |
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$this->oidDesc['type']=null; |
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$this->oidDesc['mib']=null; |
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$this->oidDesc['textconv']=null; |
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$this->oidDesc['dispHint'] =null; |
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$this->oidDesc['syntax']=null; |
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$this->oidDesc['type_enum']=null; |
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$this->oidDesc['description']=null; |
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} |
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/** |
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* Fills $this->objectsAll with all mibs from snmptranslate |
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* @return integer : number of elements |
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*/ |
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private function load_mibs_snmptranslate() |
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{ |
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$retVal=0; |
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// Get all mib objects from all mibs |
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$snmpCommand=$this->snmptranslate . ' -m ALL -M +'.$this->snmptranslateDirs.' -On -Tto 2>/dev/null'; |
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$this->logging->log('Getting all traps : '.$snmpCommand,DEBUG ); |
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unset($this->objectsAll); |
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exec($snmpCommand,$this->objectsAll,$retVal); |
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if ($retVal!=0) |
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{ |
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$this->logging->log('error executing snmptranslate',ERROR,''); |
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} |
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// Count elements to show progress |
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$numElements=count($this->objectsAll); |
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$this->logging->log('Total snmp objects returned by snmptranslate : '.$numElements,INFO ); |
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return $numElements; |
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} |
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/** |
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* load all mib objects db in dbOidAll (raw) and index in dbOidIndex |
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*/ |
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private function load_mibs_from_db() |
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{ |
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// Get all mibs from databse to have a memory index |
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$db_conn=$this->trapsDB->db_connect_trap(); |
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$sql='SELECT * from '.$this->trapsDB->dbPrefix.'mib_cache;'; |
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$this->logging->log('SQL query : '.$sql,DEBUG ); |
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if (($ret_code=$db_conn->query($sql)) === false) { |
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$this->logging->log('No result in query : ' . $sql,ERROR,''); |
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} |
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$this->dbOidAll=$ret_code->fetchAll(); |
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$this->dbOidIndex=array(); |
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// Create the index for db; |
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foreach($this->dbOidAll as $key=>$val) |
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{ |
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$this->dbOidIndex[$val['oid']]['key']=$key; |
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$this->dbOidIndex[$val['oid']]['id']=$val['id']; |
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} |
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} |
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/** |
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* Reset all update timers & count to zero |
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*/ |
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private function reset_update_timers() |
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{ |
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$this->timing['base_parse_time']=0; |
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$this->timing['base_check_time']=0; |
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$this->timing['type0_check_time']=0; |
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$this->timing['nottrap_time']=0; |
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$this->timing['update_time']=0; |
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$this->timing['objects_time']=0; |
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$this->timing['base_parse_num']=0; |
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$this->timing['base_check_num']=0; |
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$this->timing['type0_check_num']=0; |
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$this->timing['nottrap_num']=0; |
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$this->timing['update_num']=0; |
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$this->timing['objects_num']=0; |
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$this->timing['num_traps']=0; |
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} |
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/** |
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* Detect if $this->objectsAll[$curElement] is a trap |
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* @param integer $curElement |
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* @param bool $onlyTraps : set to false to get all and not only traps. |
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* @return boolean : false if it's a trap , true if not |
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*/ |
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private function detect_trap($curElement,$onlyTraps) |
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{ |
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// Get oid or pass if not found |
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if (!preg_match('/^\.[0-9\.]+$/',$this->objectsAll[$curElement])) |
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{ |
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$this->timing['base_parse_time'] += microtime(true) - $this->timing['base_time']; |
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$this->timing['base_parse_num'] ++; |
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return true; |
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} |
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$this->oidDesc['oid']=$this->objectsAll[$curElement]; |
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// get next line |
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$curElement++; |
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$match=$snmptrans=array(); |
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if (!preg_match('/ +([^\(]+)\(.+\) type=([0-9]+)( tc=([0-9]+))?( hint=(.+))?/', |
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$this->objectsAll[$curElement],$match)) |
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{ |
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$this->timing['base_check_time'] += microtime(true) - $this->timing['base_time']; |
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$this->timing['base_check_num']++; |
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return true; |
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} |
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$this->oidDesc['name']=$match[1]; // Name |
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$this->oidDesc['type']=$match[2]; // type (21=trap, 0: may be trap, else : not trap |
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if ($this->oidDesc['type']==0) // object type=0 : check if v1 trap |
343
|
|
|
{ |
344
|
|
|
// Check if next is suboid -> in that case is cannot be a trap |
345
|
|
|
if (preg_match("/^".$this->oidDesc['oid']."/",$this->objectsAll[$curElement+1])) |
346
|
|
|
{ |
347
|
|
|
$this->timing['type0_check_time'] += microtime(true) - $this->timing['base_time']; |
348
|
|
|
$this->timing['type0_check_num']++; |
349
|
|
|
return true; |
350
|
|
|
} |
351
|
|
|
unset($snmptrans); |
352
|
|
|
$retVal=0; |
353
|
|
|
exec($this->snmptranslate . ' -m ALL -M +'.$this->snmptranslateDirs. |
354
|
|
|
' -Td '.$this->oidDesc['oid'] . ' | grep OBJECTS ',$snmptrans,$retVal); |
355
|
|
|
if ($retVal!=0) |
356
|
|
|
{ |
357
|
|
|
$this->timing['type0_check_time'] += microtime(true) - $this->timing['base_time']; |
358
|
|
|
$this->timing['type0_check_num']++; |
359
|
|
|
return true; |
360
|
|
|
} |
361
|
|
|
//echo "\n v1 trap found : $this->oidDesc['oid'] \n"; |
362
|
|
|
// Force as trap. |
363
|
|
|
$this->oidDesc['type']=21; |
364
|
|
|
} |
365
|
|
|
if ($onlyTraps===true && $this->oidDesc['type']!=21) // if only traps and not a trap, continue |
366
|
|
|
{ |
367
|
|
|
$this->timing['nottrap_time'] += microtime(true) - $this->timing['base_time']; |
368
|
|
|
$this->timing['nottrap_num']++; |
369
|
|
|
return true; |
370
|
|
|
} |
371
|
|
|
return false; |
372
|
|
|
} |
373
|
|
|
|
374
|
|
|
/** |
375
|
|
|
* get_trap_mib_description |
376
|
|
|
* @return array|null : array of snmptranslate output or null on error |
377
|
|
|
**/ |
378
|
|
|
private function get_trap_mib_description() |
379
|
|
|
{ |
380
|
|
|
$retVal=0; |
381
|
|
|
$match=$snmptrans=array(); |
382
|
|
|
exec($this->snmptranslate . ' -m ALL -M +'.$this->snmptranslateDirs. |
383
|
|
|
' -Td '.$this->oidDesc['oid'],$snmptrans,$retVal); |
384
|
|
|
if ($retVal!=0) |
385
|
|
|
{ |
386
|
|
|
$this->logging->log('error executing snmptranslate',ERROR); |
387
|
|
|
return $snmptrans; |
388
|
|
|
} |
389
|
|
|
|
390
|
|
|
if (!preg_match('/^(.*)::/',$snmptrans[0],$match)) |
391
|
|
|
{ |
392
|
|
|
$this->logging->log('Error getting mib from trap '.$this->oidDesc['oid'].' : ' . $snmptrans[0],ERROR); |
393
|
|
|
return $snmptrans; |
394
|
|
|
} |
395
|
|
|
$this->oidDesc['mib']=$match[1]; |
396
|
|
|
|
397
|
|
|
$numLine=1; |
398
|
|
|
while (isset($snmptrans[$numLine]) && !preg_match('/^[\t ]+DESCRIPTION[\t ]+"(.*)/',$snmptrans[$numLine],$match)) $numLine++; |
399
|
|
|
if (isset($snmptrans[$numLine])) |
400
|
|
|
{ |
401
|
|
|
$snmptrans[$numLine] = preg_replace('/^[\t ]+DESCRIPTION[\t ]+"/','',$snmptrans[$numLine]); |
402
|
|
|
|
403
|
|
|
while (isset($snmptrans[$numLine]) && !preg_match('/"/',$snmptrans[$numLine])) |
404
|
|
|
{ |
405
|
|
|
$this->oidDesc['description'].=preg_replace('/[\t ]+/',' ',$snmptrans[$numLine]); |
406
|
|
|
$numLine++; |
407
|
|
|
} |
408
|
|
|
if (isset($snmptrans[$numLine])) { |
409
|
|
|
$this->oidDesc['description'].=preg_replace('/".*/','',$snmptrans[$numLine]); |
410
|
|
|
$this->oidDesc['description']=preg_replace('/[\t ]+/',' ',$this->oidDesc['description']); |
411
|
|
|
} |
412
|
|
|
|
413
|
|
|
} |
414
|
|
|
return $snmptrans; |
415
|
|
|
} |
416
|
|
|
|
417
|
|
|
/** |
418
|
|
|
* Get trap objects |
419
|
|
|
* @param array $snmptrans : output of snmptranslate for TrapModuleConfig |
420
|
|
|
* @return array|null : array of objects or null if not found |
421
|
|
|
**/ |
422
|
|
|
private function get_trap_objects($snmptrans) |
423
|
|
|
{ |
424
|
|
|
$objectName=null; |
425
|
|
|
$match=array(); |
426
|
|
|
foreach ($snmptrans as $line) |
427
|
|
|
{ |
428
|
|
|
if (preg_match('/OBJECTS.*\{([^\}]+)\}/',$line,$match)) |
429
|
|
|
{ |
430
|
|
|
$objectName=$match[1]; |
431
|
|
|
} |
432
|
|
|
} |
433
|
|
|
if ($objectName == null) |
434
|
|
|
{ |
435
|
|
|
$this->logging->log('No objects for ' . $this->oidDesc['oid'],DEBUG); |
436
|
|
|
$this->timing['objects_time'] += microtime(true) - $this->timing['base_time']; |
437
|
|
|
return null; |
438
|
|
|
} |
439
|
|
|
|
440
|
|
|
$trapObjects=array(); |
441
|
|
|
while (preg_match('/ *([^ ,]+) *,* */',$objectName,$match)) |
442
|
|
|
{ |
443
|
|
|
array_push($trapObjects,$match[1]); |
444
|
|
|
$objectName=preg_replace('/'.$match[0].'/','',$objectName); |
445
|
|
|
} |
446
|
|
|
return $trapObjects; |
447
|
|
|
} |
448
|
|
|
|
449
|
|
|
/** |
450
|
|
|
* Cache mib in database |
451
|
|
|
* @param boolean $display_progress : Display progress on standard output |
452
|
|
|
* @param boolean $check_change : Force check of trap params & objects |
453
|
|
|
* @param boolean $onlyTraps : only cache traps and objects (true) or all (false) |
454
|
|
|
* @param string $startOID : only cache under startOID (NOT IMPLEMENTED) |
455
|
|
|
*/ |
456
|
|
|
public function update_mib_database($display_progress=false,$check_change=false,$onlyTraps=true,$startOID='.1') |
|
|
|
|
457
|
|
|
{ |
458
|
|
|
// Global Timing |
459
|
|
|
$timeTaken = microtime(true); |
460
|
|
|
|
461
|
|
|
$numElements=$this->load_mibs_snmptranslate(); // Load objectsAll |
462
|
|
|
|
463
|
|
|
$this->load_mibs_from_db(); // Load from db dbOidAll & dbOidIndex |
464
|
|
|
|
465
|
|
|
$step=$basestep=$numElements/10; // output display of % done |
466
|
|
|
$num_step=0; |
467
|
|
|
$timeFiveSec = microtime(true); // Used for display a '.' every <n> seconds |
468
|
|
|
|
469
|
|
|
// Create index for trap objects |
470
|
|
|
$this->trapObjectsIndex=array(); |
471
|
|
|
|
472
|
|
|
// detailed timing (time_* vars) |
473
|
|
|
$this->reset_update_timers(); |
474
|
|
|
|
475
|
|
|
for ($curElement=0;$curElement < $numElements;$curElement++) |
476
|
|
|
{ |
477
|
|
|
$this->timing['base_time']= microtime(true); |
478
|
|
|
if ($display_progress) |
479
|
|
|
{ |
480
|
|
|
if ((microtime(true)-$timeFiveSec) > 2) |
481
|
|
|
{ // echo a . every 2 sec |
482
|
|
|
echo '.'; |
483
|
|
|
$timeFiveSec = microtime(true); |
484
|
|
|
} |
485
|
|
|
if ($curElement>$step) |
486
|
|
|
{ // display progress |
487
|
|
|
$num_step++; |
488
|
|
|
$step+=$basestep; |
489
|
|
|
echo "\n" . ($num_step*10). '% : '; |
490
|
|
|
} |
491
|
|
|
} |
492
|
|
|
|
493
|
|
|
$this->reset_oidDesc(); |
494
|
|
|
if ($this->detect_trap($curElement,$onlyTraps)===true) |
495
|
|
|
{ |
496
|
|
|
continue; |
497
|
|
|
} |
498
|
|
|
|
499
|
|
|
$this->timing['num_traps']++; |
500
|
|
|
|
501
|
|
|
$this->logging->log('Found trap : '.$this->oidDesc['name'] . ' / OID : '.$this->oidDesc['oid'],INFO ); |
502
|
|
|
if ($display_progress) echo '#'; // echo a # when trap found |
503
|
|
|
|
504
|
|
|
// get trap objects & source MIB |
505
|
|
|
|
506
|
|
|
$snmptrans=$this->get_trap_mib_description(); // get MIB & description |
507
|
|
|
|
508
|
|
|
|
509
|
|
|
$update=$this->update_oid(); // Do update of trap. |
510
|
|
|
|
511
|
|
|
$this->timing['update_time'] += microtime(true) - $this->timing['base_time']; |
512
|
|
|
$this->timing['update_num']++; |
513
|
|
|
|
514
|
|
|
$this->timing['base_time']= microtime(true); // Reset to check object time |
515
|
|
|
|
516
|
|
|
if (($update==0) && ($check_change===false)) |
517
|
|
|
{ // Trapd didn't change & force check disabled |
518
|
|
|
$this->timing['objects_time'] += microtime(true) - $this->timing['base_time']; |
519
|
|
|
if ($display_progress) echo "C"; |
520
|
|
|
continue; |
521
|
|
|
} |
522
|
|
|
|
523
|
|
|
$trapObjects=$this->get_trap_objects($snmptrans); // Get trap objects from snmptranslate output |
524
|
|
|
if ($trapObjects == null) |
525
|
|
|
{ |
526
|
|
|
continue; |
527
|
|
|
} |
528
|
|
|
|
529
|
|
|
$this->trap_objects($this->oidDesc['oid'], $this->oidDesc['mib'], $trapObjects, false); |
530
|
|
|
|
531
|
|
|
$this->timing['objects_time'] += microtime(true) - $this->timing['base_time']; |
532
|
|
|
$this->timing['objects_num']++; |
533
|
|
|
} |
534
|
|
|
|
535
|
|
|
if ($display_progress) |
536
|
|
|
{ |
537
|
|
|
echo "\nNumber of processed traps : ". $this->timing['num_traps'] ."\n"; |
538
|
|
|
echo "\nParsing : " . number_format($this->timing['base_parse_time']+$this->timing['base_check_time'],1) ." sec / " . ($this->timing['base_parse_num']+ $this->timing['base_check_num']) . " occurences\n"; |
539
|
|
|
echo "Detecting traps : " . number_format($this->timing['type0_check_time']+$this->timing['nottrap_time'],1) . " sec / " . ($this->timing['type0_check_num']+$this->timing['nottrap_num']) ." occurences\n"; |
540
|
|
|
echo "Trap processing (".$this->timing['update_num']."): ".number_format($this->timing['update_time'],1)." sec , "; |
541
|
|
|
echo "Objects processing (".$this->timing['objects_num'].") : ".number_format($this->timing['objects_time'],1)." sec \n"; |
542
|
|
|
|
543
|
|
|
$timeTaken=microtime(true) - $timeTaken; |
544
|
|
|
echo "Global time : ".round($timeTaken)." seconds\n"; |
545
|
|
|
} |
546
|
|
|
} |
547
|
|
|
|
548
|
|
|
|
549
|
|
|
} |