function

static function getPortNames($DeviceID,$portid=null){
   if(!$dev=SwitchInfo::BasicTests($DeviceID)){
      return false;
   }
   // We never did finish the discussion of if we should use the mib vs the oid
   $baseOID = ".1.3.6.1.2.1.31.1.1.1.1";
   $baseOID = "IF-MIB::ifName";
   $nameList=self::OSS_SNMP_Lookup($dev,"descriptions",$portid,$baseOID);

   if(is_array($nameList)){
      $saving=false;
      $newList=array();
      foreach($nameList as $i => $desc){
         if($i==$dev->FirstPortNum){$saving=true;}
         if($saving){$newList[sizeof($newList)+1]=$desc;}
         if(sizeof($newList)==$dev->Ports){break;}
      }
      $nameList=$newList;
   }
   return $nameList;
}

static function createPorts($DeviceID,$update_existing=false){
   // If $update_existing is true then we'll try to create all the ports and as a by product
   // create any new ports.  The setting here will ensure we don't log any errors from the
   // ports that already exist.
   $dev=New Device;
   $dev->DeviceID=$DeviceID;
   if(!$dev->GetDevice()){return false;}

   // Check the user's permissions to modify this device
   if($dev->Rights!='Write'){return false;}
   $portList=array();
   
   if($dev->DeviceType=="Switch"){
      $nameList=SwitchInfo::getPortNames($dev->DeviceID);
      $aliasList=SwitchInfo::getPortAlias($dev->DeviceID);
   }

   // Build the DevicePorts from the existing info in the following priority:
   //  - Template ports table
   //  - SNMP data (if it exists)
   //  - Placeholders
   
   //Search template ports
   $tports=array();
   if($dev->TemplateID>0){
      $tport=new TemplatePorts();
      $tport->TemplateID=$dev->TemplateID;
      $tports=$tport->getPorts();
   }
   
   if($dev->DeviceType=="Switch"){
      for($n=0; $n<$dev->Ports; $n++){
         $i=$n+1;
         $portList[$i]=new DevicePorts();
         $portList[$i]->DeviceID=$dev->DeviceID;
         $portList[$i]->PortNumber=$i;
         if(isset($tports[$i])){
            // Get any attributes from the device template
            foreach($tports[$i] as $key => $value){               if(array_key_exists($key,$portList[$i])){                  $portList[$i]->$key=$value;               }            }         }         // pull port name first from snmp then from template then just call it port x         $portList[$i]->Label=(isset($nameList[$n]))?$nameList[$n]:(isset($tports[$i]) && $tports[$i]->Label)?$tports[$i]->Label:__("Port").$i;         $portList[$i]->Notes=(isset($aliasList[$n]))?$aliasList[$n]:'';         $portList[$i]->createPort($update_existing);      }   }else{      for($n=0; $n<$dev->Ports; $n++){         $i=$n+1;         $portList[$i]=new DevicePorts();         $portList[$i]->DeviceID=$dev->DeviceID;         $portList[$i]->PortNumber=$i;         //对应 模板端口对象数组         if(isset($tports[$i])){            // Get any attributes from the device template            foreach($tports[$i] as $key => $value){               if(array_key_exists($key,$portList[$i])){                  $portList[$i]->$key=$value;               }            }         }         $portList[$i]->Label=($portList[$i]->Label=="")?__("Port").$i:$portList[$i]->Label;         $portList[$i]->createPort($update_existing);         if($dev->DeviceType=="Patch Panel"){            $label=$portList[$i]->Label;            $i=$i*-1;            $portList[$i]=new DevicePorts();            $portList[$i]->DeviceID=$dev->DeviceID;            $portList[$i]->PortNumber=$i;            $portList[$i]->Label=$label;            $portList[$i]->createPort($update_existing);         }      }   }   return $portList;}