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diff --git a/archives/extend/2013-October/000280.html b/archives/extend/2013-October/000280.html new file mode 100644 index 00000000..24d9e1e3 --- /dev/null +++ b/archives/extend/2013-October/000280.html @@ -0,0 +1,91 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> +<HTML> + <HEAD> + <TITLE> [99s-extend] timeout in cowboy loop handler + </TITLE> + <LINK REL="Index" HREF="index.html" > + <LINK REL="made" HREF="mailto:extend%40lists.ninenines.eu?Subject=Re%3A%20%5B99s-extend%5D%20timeout%20in%20cowboy%20loop%20handler&In-Reply-To=%3C525E1A85.3070706%40ninenines.eu%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="000279.html"> + <LINK REL="Next" HREF="000281.html"> + </HEAD> + <BODY BGCOLOR="#ffffff"> + <H1>[99s-extend] timeout in cowboy loop handler</H1> + <B>Loïc Hoguin</B> + <A HREF="mailto:extend%40lists.ninenines.eu?Subject=Re%3A%20%5B99s-extend%5D%20timeout%20in%20cowboy%20loop%20handler&In-Reply-To=%3C525E1A85.3070706%40ninenines.eu%3E" + TITLE="[99s-extend] timeout in cowboy loop handler">essen at ninenines.eu + </A><BR> + <I>Wed Oct 16 06:48:05 CEST 2013</I> + <P><UL> + <LI>Previous message: <A HREF="000279.html">[99s-extend] timeout in cowboy loop handler +</A></li> + <LI>Next message: <A HREF="000281.html">[99s-extend] handler and a linked process +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#280">[ date ]</a> + <a href="thread.html#280">[ thread ]</a> + <a href="subject.html#280">[ subject ]</a> + <a href="author.html#280">[ author ]</a> + </LI> + </UL> + <HR> +<!--beginarticle--> +<PRE>Then use a loop handler, set its timeout to infinity *but* create a new +timeout that checks regularly if the handler is active or not to be able +to kill it off in case something happens. + +On 10/16/2013 06:42 AM, akonsu wrote: +><i> ok. the data that I need to send are coming as erlang messages to the +</I>><i> process that runs my handler. so it sounds like if I want to use the +</I>><i> "normal" cowboy_http_handler, then I need a receive loop +</I>><i> inside handle(Req, State) callback, right? Basically, my response stream +</I>><i> will potentially never end, I do not know how to handle this properly in +</I>><i> cowboy... +</I>><i> +</I>><i> +</I>><i> 2013/10/16 Loïc Hoguin <<A HREF="https://lists.ninenines.eu/listinfo/extend">essen at ninenines.eu</A> <mailto:<A HREF="https://lists.ninenines.eu/listinfo/extend">essen at ninenines.eu</A>>> +</I>><i> +</I>><i> Loop handlers are designed to wait for a long time with the socket +</I>><i> *idle* and then eventually send one response then close the socket. +</I>><i> Things like long-polling. +</I>><i> +</I>><i> What you are doing is just streaming, for which you do not need a +</I>><i> timeout because the socket isn't idle. You are just sending a large +</I>><i> response, and normal handlers are perfectly capable of doing that. +</I>><i> +</I> + +-- +Loïc Hoguin +Erlang Cowboy +Nine Nines +<A HREF="http://ninenines.eu">http://ninenines.eu</A> + +</PRE> + +<!--endarticle--> + <HR> + <P><UL> + <!--threads--> + <LI>Previous message: <A HREF="000279.html">[99s-extend] timeout in cowboy loop handler +</A></li> + <LI>Next message: <A HREF="000281.html">[99s-extend] handler and a linked process +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#280">[ date ]</a> + <a href="thread.html#280">[ thread ]</a> + <a href="subject.html#280">[ subject ]</a> + <a href="author.html#280">[ author ]</a> + </LI> + </UL> + +<hr> +<a href="https://lists.ninenines.eu/listinfo/extend">More information about the Extend +mailing list</a><br> +</body></html> |