All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`exceptionCaught(IoSession session, Throwable cause)`
`void`	`messageReceived(IoSession session, Readable message)`
`void`	`sessionClosed(IoSession session)`
`void`	`sessionCreated(IoSession session)`

void sessionCreated(IoSession session)
             throws Exception

void sessionClosed(IoSession session)
            throws Exception

void exceptionCaught(IoSession session,
                     Throwable cause)
              throws Exception

void messageReceived(IoSession session,
                     Readable message)
              throws Exception

Interface IoHandler