----- Original Message -----
From: "Eric Blossom" <e...@comsec.com>
To: "Marcus D. Leech" <mle...@ripnet.com>
Cc: "GNURadio Discussion List" <discuss-gnuradio@gnu.org>
Sent: Thursday, April 22, 2010 6:24 PM
Subject: Re: [Discuss-gnuradio] UDP source block in GRC
On Fri, Apr 09, 2010 at 10:23:43PM -0400, Marcus D. Leech wrote:
I'm trying to use a UDP source block from a GRC-produced flowgraph.
The only thing it does is this:
gr_block_executor: source <gr_block udp_source (2)> produced no output.
We're marking it DONE.
The udp source/sink needs an overhaul.
This error is triggered to indicate that the block (a source) is
returning zero, and thus is most likely spinning.
Whatever overhauling is done, it would nice to have the option of treating
zero-bytes-read from gr_udp_souce as an EOF condition. A client can then
decide whether to wait for a server or give up. (It might also be nice to
have program access to the timeout value.)
-- Don W.
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