Hi I am using comet connections for some time now in a server push manner: Whenever the server needs to inform the client about some event, it sends a packet to the client and waits for a reply in the same connection. As soon, as a READ event is triggered, that reply is read and the next message can be sent.
Now, this requires a round-trip-time between the client and the server and is inappropriate for larger amounts of data especially on high latency connections. I am seeking for a way to determine (from a comet servlets point of view) if a connection is writeable - this is, if output buffers are empty and I can send additional data. Note, that sending a huge amount of data at once is not an option, I need to send distinct parts... So here are my questions: - How can I detect if a connection is writeable? - That is, how can I detect if the output buffers are empty? - Is there a way to use comet connection for something like a selector? Regards, Steffen
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