Interface IoHandler

All Known Implementing Classes:
ChainedIoHandler, DemuxingIoHandler, IoHandlerAdapter, SingleSessionIoHandlerDelegate, StreamIoHandler

public interface IoHandler
Handles all I/O events fired by MINA.
See Also:
  • Method Details

    • sessionCreated

      void sessionCreated(IoSession session) throws Exception
      Invoked from an I/O processor thread when a new connection has been created. Because this method is supposed to be called from the same thread that handles I/O of multiple sessions, please implement this method to perform tasks that consumes minimal amount of time such as socket parameter and user-defined session attribute initialization.
      Throws:
      Exception
    • sessionOpened

      void sessionOpened(IoSession session) throws Exception
      Invoked when a connection has been opened. This method is invoked after sessionCreated(IoSession). The biggest difference from sessionCreated(IoSession) is that it's invoked from other thread than an I/O processor thread once thread modesl is configured properly.
      Throws:
      Exception
    • sessionClosed

      void sessionClosed(IoSession session) throws Exception
      Invoked when a connection is closed.
      Throws:
      Exception
    • sessionIdle

      void sessionIdle(IoSession session, IdleStatus status) throws Exception
      Invoked with the related IdleStatus when a connection becomes idle. This method is not invoked if the transport type is UDP; it's a known bug, and will be fixed in 2.0.
      Throws:
      Exception
    • exceptionCaught

      void exceptionCaught(IoSession session, Throwable cause) throws Exception
      Invoked when any exception is thrown by user IoHandler implementation or by MINA. If cause is instanceof IOException, MINA will close the connection automatically.
      Throws:
      Exception
    • messageReceived

      void messageReceived(IoSession session, Object message) throws Exception
      Invoked when a message is received.
      Throws:
      Exception
    • messageSent

      void messageSent(IoSession session, Object message) throws Exception
      Invoked when a message written by IoSession.write(Object) is sent out.
      Throws:
      Exception