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<H1>[99s-extend] how to send a message to all connections in cowboy</H1>
<B>Loïc Hoguin</B>
<A HREF="mailto:extend%40lists.ninenines.eu?Subject=Re%3A%20%5B99s-extend%5D%20how%20to%20send%20a%20message%20to%20all%20connections%20in%20cowboy&In-Reply-To=%3C52373A98.4080406%40ninenines.eu%3E"
TITLE="[99s-extend] how to send a message to all connections in cowboy">essen at ninenines.eu
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<I>Mon Sep 16 19:06:32 CEST 2013</I>
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<PRE>On 09/16/2013 03:50 PM, akonsu wrote:
><i> Hello,
</I>><i>
</I>><i> this is somewhat similar to what someone else has asked:
</I>><i> <A HREF="http://lists.ninenines.eu:81/archives/extend/2013-August/000224.html">http://lists.ninenines.eu:81/archives/extend/2013-August/000224.html</A>
</I>><i>
</I>><i> I am new to cowboy, I have a process that runs alongside a cowboy server
</I>><i> and this process needs to periodically send text to all http clients
</I>><i> connected to the cowboy server. My goal is to have a streaming
</I>><i> connection for each http client so that I could stream text to them from
</I>><i> my process. how is this done?
</I>
Same answer really. You need some kind of process registry, like gproc
properties for example, that will store all Pids and allow you to send a
message to all of them.
On init, register the process, and then handle the incoming message when
it arrives.
--
Loïc Hoguin
Erlang Cowboy
Nine Nines
<A HREF="http://ninenines.eu">http://ninenines.eu</A>
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