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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 /_build/static/archives/extend/2013-October/000277.html | |
parent | b1df25a7d9cda697513650659b781b55b40898f8 (diff) | |
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diff --git a/_build/static/archives/extend/2013-October/000277.html b/_build/static/archives/extend/2013-October/000277.html new file mode 100644 index 00000000..ae9bd3ff --- /dev/null +++ b/_build/static/archives/extend/2013-October/000277.html @@ -0,0 +1,118 @@ +<!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=%3CCA%2BeMAwb0ubM3O%3DyKmEJvrJ94Y2xVWpnPxXWO7Qx0q8kxL4%2BqwQ%40mail.gmail.com%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="000276.html"> + <LINK REL="Next" HREF="000278.html"> + </HEAD> + <BODY BGCOLOR="#ffffff"> + <H1>[99s-extend] timeout in cowboy loop handler</H1> + <B>akonsu</B> + <A HREF="mailto:extend%40lists.ninenines.eu?Subject=Re%3A%20%5B99s-extend%5D%20timeout%20in%20cowboy%20loop%20handler&In-Reply-To=%3CCA%2BeMAwb0ubM3O%3DyKmEJvrJ94Y2xVWpnPxXWO7Qx0q8kxL4%2BqwQ%40mail.gmail.com%3E" + TITLE="[99s-extend] timeout in cowboy loop handler">akonsu at gmail.com + </A><BR> + <I>Wed Oct 16 06:12:29 CEST 2013</I> + <P><UL> + <LI>Previous message: <A HREF="000276.html">[99s-extend] timeout in cowboy loop handler +</A></li> + <LI>Next message: <A HREF="000278.html">[99s-extend] timeout in cowboy loop handler +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#277">[ date ]</a> + <a href="thread.html#277">[ thread ]</a> + <a href="subject.html#277">[ subject ]</a> + <a href="author.html#277">[ author ]</a> + </LI> + </UL> + <HR> +<!--beginarticle--> +<PRE>thanks. one more question if you do not mind. you say that we need timeouts +when the client does not notify us when it dies. but then you say that if +the client dies then the socket write will fail. to me this sounds like a +contradiction. would you please clarify? + +(I assume that this is the problem that we are discussing: +<A HREF="http://stackoverflow.com/questions/283375/detecting-tcp-client-disconnect,">http://stackoverflow.com/questions/283375/detecting-tcp-client-disconnect,</A> +right?) + + +2013/10/16 Loïc Hoguin <<A HREF="https://lists.ninenines.eu/listinfo/extend">essen at ninenines.eu</A>> + +><i> On 10/16/2013 05:48 AM, akonsu wrote: +</I>><i> +</I>>><i> 1. do you mean that there is no way on the server side to tell if the +</I>>><i> client has disconnected? +</I>>><i> +</I>><i> +</I>><i> There are ways, and Cowboy will happily detect them. There's also the +</I>><i> problem that a side may be closed without the other side knowing about it, +</I>><i> which is why you need timeouts. +</I>><i> +</I>><i> +</I>><i> 2. if I use a normal handler, I will still run into the same problem, it +</I>>><i> does not matter which handler I use, from the standpoint of deciding +</I>>><i> whether the client is still there, right? +</I>>><i> +</I>><i> +</I>><i> If the client is gone, the send will fail. Normal handlers are pretty much +</I>><i> the same except they don't have a timeout, because your code has an +</I>><i> explicit end. +</I>><i> +</I>><i> I am confused as to how I can implement my streaming and not drop the +</I>>><i> connection on each client and yet make sure I do close the connections +</I>>><i> when the clients disconnect... +</I>>><i> +</I>>><i> +</I>>><i> 2013/10/15 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> +</I>>><i> Infinite is bad practice, yes. Infinite means some connections will +</I>>><i> *never* be closed, eating FDs and memory for nothing. +</I>>><i> +</I>>><i> I'm not sure why you want to receive messages, you could just use a +</I>>><i> normal handler that asks for more data, sends it, ask for more data, +</I>>><i> sends it, etc. +</I>>><i> +</I>>><i> +</I>><i> +</I>><i> -- +</I>><i> Loïc Hoguin +</I>><i> Erlang Cowboy +</I>><i> Nine Nines +</I>><i> <A HREF="http://ninenines.eu">http://ninenines.eu</A> +</I>><i> +</I>-------------- next part -------------- +An HTML attachment was scrubbed... +URL: <<A HREF="http://lists.ninenines.eu/archives/extend/attachments/20131016/edbc349c/attachment.html">http://lists.ninenines.eu/archives/extend/attachments/20131016/edbc349c/attachment.html</A>> +</PRE> + +<!--endarticle--> + <HR> + <P><UL> + <!--threads--> + <LI>Previous message: <A HREF="000276.html">[99s-extend] timeout in cowboy loop handler +</A></li> + <LI>Next message: <A HREF="000278.html">[99s-extend] timeout in cowboy loop handler +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#277">[ date ]</a> + <a href="thread.html#277">[ thread ]</a> + <a href="subject.html#277">[ subject ]</a> + <a href="author.html#277">[ author ]</a> + </LI> + </UL> + +<hr> +<a href="https://lists.ninenines.eu/listinfo/extend">More information about the Extend +mailing list</a><br> +</body></html> |