Can you get the amount of UDP buffer space used?

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drathnow@yahoo.com - 09 May 2006 23:55 GMT

Is there any way to get the amount of buffer space used on a datagram
socket? I have an application that handles incoming UDP packets and it
slows down when the incoming traffic gets pretty busy. I would like to
figure out how many UDP packets are queued or at least how much of the
ReceiveBuffer space is being used.

Thanks,
Dave.

P.S. I'm working with Java 1.4.2 on Windoz.

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Gordon Beaton - 10 May 2006 07:55 GMT

> Is there any way to get the amount of buffer space used on a
> datagram socket? I have an application that handles incoming UDP
> packets and it slows down when the incoming traffic gets pretty
> busy. I would like to figure out how many UDP packets are queued or
> at least how much of the ReceiveBuffer space is being used.

AFAIK there is no way to do this from Java, however from a native
method you might use FIONREAD to see how much data is currently queued
for reading from the socket descriptor.

/gordon

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