sub onWheelSFSuccess
 {
     my ( $heap, $clientSocket, $peerHostN, $peerPort )
       = @_[ HEAP, ARG0, ARG1, ARG2 ];

     my $peerHost = inet_ntoa($peerHostN);

     my $timeout = pack( 'll', 5, 0 );
     $clientSocket->sockopt(SO_RCVTIMEO, $timeout );
     $clientSocket->sockopt(SO_SNDTIMEO, $timeout );

     my $ioWheel = POE::Wheel::ReadWrite->new(
         Handle     => $clientSocket,
         InputEvent => 'onWheelRWInput',
         ErrorEvent => 'onWheelRWError',
         Filter     => POE::Filter::Stream->new(),

     );

......

##</code><code>##

Can't locate object method "sockopt" via package "FileHandle"