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| author | Loïc Hoguin <[email protected]> | 2016-08-29 12:39:49 +0200 |
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| committer | Loïc Hoguin <[email protected]> | 2016-08-29 12:40:03 +0200 |
| commit | c807880f7ac73f813b2660ea81a00f7712a4e793 (patch) | |
| tree | ba1d09e9b177f230665a80513b33fbd532000ce4 /archives/extend/2013-February/000050.html | |
| parent | b1df25a7d9cda697513650659b781b55b40898f8 (diff) | |
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Add old mailing list archives
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diff --git a/archives/extend/2013-February/000050.html b/archives/extend/2013-February/000050.html new file mode 100644 index 00000000..23828af8 --- /dev/null +++ b/archives/extend/2013-February/000050.html @@ -0,0 +1,100 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> +<HTML> + <HEAD> + <TITLE> [99s-extend] How to send multiple messages in response to one message from Cowboy + </TITLE> + <LINK REL="Index" HREF="index.html" > + <LINK REL="made" HREF="mailto:extend%40lists.ninenines.eu?Subject=Re%3A%20%5B99s-extend%5D%20How%20to%20send%20multiple%20messages%20in%20response%20to%20one%0A%20message%20from%20Cowboy&In-Reply-To=%3C5115453C.1040808%40jkemp.net%3E"> + <META NAME="robots" CONTENT="index,nofollow"> + <style type="text/css"> + pre { + white-space: pre-wrap; /* css-2.1, curent FF, Opera, Safari */ + } + </style> + <META http-equiv="Content-Type" content="text/html; charset=us-ascii"> + <LINK REL="Previous" HREF="000049.html"> + <LINK REL="Next" HREF="000051.html"> + </HEAD> + <BODY BGCOLOR="#ffffff"> + <H1>[99s-extend] How to send multiple messages in response to one message from Cowboy</H1> + <B>John Kemp</B> + <A HREF="mailto:extend%40lists.ninenines.eu?Subject=Re%3A%20%5B99s-extend%5D%20How%20to%20send%20multiple%20messages%20in%20response%20to%20one%0A%20message%20from%20Cowboy&In-Reply-To=%3C5115453C.1040808%40jkemp.net%3E" + TITLE="[99s-extend] How to send multiple messages in response to one message from Cowboy">john at jkemp.net + </A><BR> + <I>Fri Feb 8 19:34:36 CET 2013</I> + <P><UL> + <LI>Previous message: <A HREF="000049.html">[99s-extend] How to send multiple messages in response to one message from Cowboy +</A></li> + <LI>Next message: <A HREF="000051.html">[99s-extend] Cowboy questions +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#50">[ date ]</a> + <a href="thread.html#50">[ thread ]</a> + <a href="subject.html#50">[ subject ]</a> + <a href="author.html#50">[ author ]</a> + </LI> + </UL> + <HR> +<!--beginarticle--> +<PRE>Answering my own question - multiple messages can be sent in reply by +including a list of 'reply' tuples in the websocket_handle response. I +found this by looking at cowboy_websocket_handler.erl in the source tree. + +-callback websocket_handle({text | binary | ping | pong, binary()}, Req, +State) + -> {ok, Req, State} + | {ok, Req, State, hibernate} + + | {reply, cowboy_websocket:frame() | [cowboy_websocket:frame()], Req, +State} + | {reply, cowboy_websocket:frame() | [cowboy_websocket:frame()], Req, +State, hibernate} + + | {shutdown, Req, State} + when Req::cowboy_req:req(), State::state(). + +JohnK + +On 02/08/2013 08:08 AM, John Kemp wrote: +><i> Hi, +</I>><i> +</I>><i> I see that with websocket_info/3 I can prompt Cowboy to send a message +</I>><i> to a connected client by sending a "system message". +</I>><i> +</I>><i> How can I send multiple reply messages to a client which has sent a +</I>><i> request? +</I>><i> +</I>><i> Is the way to do that by calling websocket_info/3 directly (multiple +</I>><i> times) from within my websocket_handle call? +</I>><i> +</I>><i> Cheers, +</I>><i> +</I>><i> JohnK +</I>><i> _______________________________________________ +</I>><i> Extend mailing list +</I>><i> <A HREF="https://lists.ninenines.eu/listinfo/extend">Extend at lists.ninenines.eu</A> +</I>><i> <A HREF="http://lists.ninenines.eu:81/listinfo/extend">http://lists.ninenines.eu:81/listinfo/extend</A> +</I> + +</PRE> + +<!--endarticle--> + <HR> + <P><UL> + <!--threads--> + <LI>Previous message: <A HREF="000049.html">[99s-extend] How to send multiple messages in response to one message from Cowboy +</A></li> + <LI>Next message: <A HREF="000051.html">[99s-extend] Cowboy questions +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#50">[ date ]</a> + <a href="thread.html#50">[ thread ]</a> + <a href="subject.html#50">[ subject ]</a> + <a href="author.html#50">[ author ]</a> + </LI> + </UL> + +<hr> +<a href="https://lists.ninenines.eu/listinfo/extend">More information about the Extend +mailing list</a><br> +</body></html> |