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I will learn not be believe what I read one day. That works great
thanks.<br>
<br>
Bob<br>
<br>
On 27/04/2011 21:22, Ahmed Omar wrote:
<blockquote
cite="mid:BANLkTik7t5KAiSecD=0cMHJ_+_Kiz8dXKA@mail.gmail.com"
type="cite">Why do you need to close and open the socket again?
Why don't you just do
<div>gen_udp:open(6000, [binary, {broadcast, true},{active,
false}]).</div>
<div>?<br>
<div><br>
<br>
<div class="gmail_quote">On Wed, Apr 27, 2011 at 9:52 PM, Bob
Cowdery <span dir="ltr"><<a moz-do-not-send="true"
href="mailto:bob@bobcowdery.plus.com">bob@bobcowdery.plus.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt
0.8ex; border-left: 1px solid rgb(204, 204, 204);
padding-left: 1ex;">I don't think this is an Erlang issue.
I'm probably just doing it wrong.<br>
Any advice would be gratefully received.<br>
<br>
My app does a UDP broadcast and expects a reply from a
piece of<br>
hardware. As I understand broadcast it involves opening a
broadcast socket.<br>
<br>
gen_udp:open(6000, [binary, {broadcast, true}])<br>
<br>
doing the broadcast. Then closing the socket and opening a
listening socket.<br>
<br>
gen_udp:open(6000, [binary, {active, false}])<br>
<br>
I've had the application working against a simulator, but
the hardware<br>
is a lot faster. Using wireshark I can see my broadcast go
and the reply<br>
come back. The problem is I miss the reply because by the
time I close<br>
the socket and open a new one its too late. I can't help
feeling I must<br>
be doing something fundamentally wrong here or broadcasts
just wouldn't<br>
work.<br>
<br>
Thanks<br>
Bob<br>
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</blockquote>
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<br>
-- <br>
Best Regards,<br>
- Ahmed Omar
<div><a moz-do-not-send="true"
href="http://nl.linkedin.com/in/adiaa" target="_blank">http://nl.linkedin.com/in/adiaa</a></div>
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</blockquote>
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