On Thu, Oct 20, 2011 at 06:52, Nick Mathewson wrote:
> On Wed, Oct 19, 2011 at 9:58 AM, Leonid Evdokimov wrote:
> (The style tweak is that I generally do
> "struct foo *bar;" rather than "struct foo* bar;"
Yep, I know that "*" applies to specific varia
One more cornercase - reply that has no answers at all should be
treated as NODATA too. It is not malformed message.
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From 1cd900a52536fb5294f6c13fa759730ea73574a6 Mon Sep
> Any chance of a unit test on this one?
Better late then never :)
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From 505d1539e0436355e82054a515d4fabdc6a20e85 Mon Sep 17 00:00:00 2001
From: Leonid Evdokimov
Dat
sorry,
I can't produce a nice fix right now, so I'm just sharing the testcase
at this moment. :)
And the last question: should I send further patches to ML or via
github pull request?
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On Thu, Sep 1, 2011 at 18:58, Nick Mathewson wrote:
> Any chance of a unit test on this one?
Sure. I'll try to grok tinytest this week.
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ted OK message.
"&" is binary "and", not logic "and". Logic "and" is "&&".
So (flags & 0x020f == DNS_ERR_NOTEXIST) is true only for non-truncated
answer with code 3 (NXDOMAIN) - that's the only error answer I want to
parse lo
RFC 2308 says a lot about negative answer caching.
Here is patch, that discloses TTL of negative answer (if possible) to
the library user.
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From c903d9db417d2d8478eb7371
> There is an odd edge-case in dns. DNS_ERR_NOANSWER isn't actually a
> great name.
By the way, RFC 2308 (Negative Caching of DNS Queries (DNS NCACHE))
calls this case NODATA.
Is DNS_ERR_NODATA better name from your point of view?
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er manually - is required.
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#include
#include
#include
#include
#include /* ugly :( */
#include
#include
void httpcb(struct evhttp_request *req,
On Mon, Aug 15, 2011 at 19:26, Nick Mathewson wrote:
>> Also, feel free to include evdns-example.c as sample of proper evdns
>> cleanup if you find it useful. I think, that cleanup is not trivial.
>
> Hm. I'd like to have something about dns usage in the samples code,
> but this one really only co
el free to include evdns-example.c as sample of proper evdns
cleanup if you find it useful. I think, that cleanup is not trivial.
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From 573b0ee284e19d2f399e67d58179252e2f8f716
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From 0bb4044523158b86ee12314d86ee4a3d39d29fd1 Mon Sep 17 00:00:00 2001
From: Leonid Evdokimov
Date: Thu, 11 Aug 2011 03:06:07 +0400
Subject: [PATCH 3/5] Anoth
On Fri, Aug 12, 2011 at 22:48, about bus wrote:
> So, if everything ok with network, where libevent or maybe OS (FreeBSD 7.2)
> holds request for 30 / 75 seconds?
Do you use ACCEPT_FILTER in your http server? I think it can create
such delay in case of some nasty bug.
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ith ab (apache benchmark) instead of nginx?
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nternal
or something like that in release 2.1 ?
Another options is to introduce something simple like evkeyval_new /
evkeyval_free in addition to evhttp_clear_headers.
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On Wed, Aug 10, 2011 at 17:18, Mark Ellzey wrote:
> On Wed, Aug 10, 2011 at 04:56:27PM +0400, Leonid Evdokimov wrote:
>> + } else if (reply && !reply->have_answer) {
>> + error = DNS_ERR_NOANSWER;
>> + } else {
>> +
I'm sorry, 0002-Add-DNS_ERR_….patch had no error description and had
too much typos per line.
Here is correct patch.
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From eade47790a2ca423390565eee87bf69bd46ee1b1 Mon
the patch.
Feel free to merge it in the mainline if you find it useful.
Also, I've spotted at least one error in docstring in event2/dns.h -
another patch for that.
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On Mon, Aug 8, 2011 at 06:12, Dongsheng Song wrote:
> On Mon, Aug 8, 2011 at 06:15, Leonid Evdokimov wrote:
>>
>> 2.6.24 result is really surprising me.
>
> Maybe you forgot the CPU not the same:
That's why I have `memcpy` value - to estimate memory/CPU speed. The
k, that disabling value caching is the best option for
absolutely every workload.
On the other hand, this microbenchmark may be pointless because of,
for example, CPU caches - I'm not benchmarking guru at all.
2.6.24 result is really surprising me.
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rface may have unexpectedly poor performance
depending on settings, kernel, OS version, etc.
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CPU core usage with 65536 250ms persistent timeouts
7% of single CPU core usage with 65536 250ms persistent common-timeouts
So common timeouts are really nice and, moreover, trivial to use.
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d the test-case like that:
$ gcc event-timeout.c -o event-timeout -levent
I get same result with -O2 compilation flag.
Am I missing some sort of race-condition in my code? Is it bug in
libevent or expected behavior?
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