Client to Handle Conversation, Presence and Heartbeats

[Johnny Luong]

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On 09/12/2011 11:40 AM, Replicator wrote:
> We need to have a client that is consuming messages from from the server (
> that we don't control ), and occasionally send messages to the server. For
> example:
> 
>      1. client sends "I am up" message to the server
>      2. server sends "I know that you are up. Starting to send you stuff"
> message back to the client
>      3. server sends massive number of messages to the client
>      4. meanwhile client and server send each other heartbeats ( on the same
> port ) every second.
> 
> Which messaging pattern can we use for this client? Or is it just as simple
> as having a client with registered upstream and downstream handlers that
> handle heartbeats, presence, etc.. messages?
> 
> Thank you!
> 
> --
> View this message in context: http://netty-forums-and-mailing-lists.685743.n2.nabble.com/Client-to-Handle-Conversation-Presence-and-Heartbeats-tp6784800p6784800.html
> Sent from the Netty User Group mailing list archive at Nabble.com.
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> 
> 

You can use handlers for pretty much all of that.  The examples cover
upstream and downstream handlers; you might also look at
SimpleChannelHandler if you are interested in a specific event.  For
heartbeats, the IdleStateAwareChannelHandler is a useful class to work with.

- -Johnny


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