Apache Mina Study Notes (7)-Handler

Iohandler has the following functions:

Sessioncreatedsessionopenedsessionclosedsessionidleexceptioncaughtmessagereceivedmessagesent

Sessioncreated Event

The Session Created event occurs when a connection is created. For TCP, the result is connection acceptance, which is acceptable for UDP, which is UDP packets. This function can be used to initialize the session parameters.

sessionopened Event

The session opened event occurs when a connection is opened. He is always called after the sessioncreated event. If a threading model is configured, then this function is called in that thread instead of the I/O processing thread.

Sessionclosed Event

This event occurs when a session is closed.

Sessionidle Event

This event occurs when a session is idle, but the function does not work with the UDP protocol.

Exceptioncaught Event

When a exception is thrown, the function is called.

Messagereceived Event

When a message arrives, the event occurs.

Messagesent Event

The event occurs when sending, such as when calling Iosession.write ()

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