On Mon, Apr 12, 2010 at 5:34 PM, Jesus Cea <jcea at jcea.es> wrote:
> The problem is: linux doesn't uses KEEPALIVE by default.
>
If you believe the problem is with the Linux kernel, perhaps you should take
up your case on a more appropriate mailing list?
Python's socket module is a fairly low-level module, as it's just a thin
wrapper around the corresponding operating system calls. Anyone using it
has to be prepared to deal with a certain amount of exposed operating system
details.
If you want to use TCP KEEPALIVE on Linux, then just call:
my_socket_object.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
Most non-trivial applications use select() or poll() to avoid blocking calls
and do their own timeout-checking at the application layer, so they don't
need KEEPALIVE.
--
Daniel Stutzbach, Ph.D.
President, Stutzbach Enterprises, LLC <http://stutzbachenterprises.com>
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