gmane.network.bit-torrent.libtorrent

Re: DHT problem

2012-05-23T02:52:14

Quoting Alexander Koshelev <alexander.koshelev< at >crystalnix.com>:


My assumption would be that your router or modem (probably whichever has the NAT
in it) is crappy and crashes or hangs when it experiences too many flows. I
would imagine your NAT consideres every DHT endpoint as a separate flow, keeping
state for each of them, it quickly runs out of memory and dies in some way.

You might want to try setting a lower rate limit of the DHT, but it's not clear
it would make that much of a difference.

Fwd: Re: 0.16.x does not downloading

Александр — 2012-05-22T16:47:13

----------  Пересылаемое письмо  ----------

Тема: Re: [libtorrent] 0.16.x does not downloading
Дата: Суббота, 28-апр-2012, 20:01:33
От кого: Александр <sss< at >sss.chaoslab.ru>
до: arvid< at >cs.umu.se
Копия: General discussion about libtorrent <libtorrent-
discuss< at >lists.sourceforge.net>


On Суббота, 28-апр-2012 17:35:32 arvid< at >cs.umu.se wrote:
std::string

thx for reply, no errors with disabled unc paths, but still does not 
downloading, i will try to get more info

-----------------------------------------


i still not solved this problem, but i have made tests  with other torrent and 
found what most of this downloading fine with my code and with example code i 
also tested  my torrent with example code and it does not downloading like 
with my code, looks like broken torrent/tracker..., but, i have successfully 
downloaded it with rtorrent, deluge, i include this torrent here in 
attachment, if someone have any idea please tell me what wrong..

DHT problem

Alexander Koshelev — 2012-05-22T13:27:38

Hi.

I have problem with DHT.
I have an application that uses the libtorrent. It works properly.
I turn on DHT in it. This application still works properly,
but I can not access to the Internet from another applications.
What can I do with it?


--
Alexander Koshelev
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Re: DHT security extension

2012-05-19T21:01:24

Quoting Dmitry <russiankickingbear< at >gmail.com>:


It's described in this paper:

http://www.tslab.ssvl.kth.se/thesis/node/1273

DHT security extension

Dmitry — 2012-05-18T10:55:44

Hi

Can anyone tell me about attack method on DHT? Read this article
http://www.rasterbar.com/products/libtorrent/dht_sec.html but don't
completely understood about mechanism of attack. How it's execute?
Maybe somewhere in internet is topic describing the attack?

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Re: vc2010 project

2012-05-15T04:47:18

Quoting Dmitry <russiankickingbear< at >gmail.com>:


The problem is most likely that the client code, that links against libtorrent,
doesn't define the same TORRENT_* defines, such as TORRENT_DISABLE_GEOIP or
TORRENT_USE_OPENSSL.


The easiest way is to let the examples Jamfile build libtorrent through the
dependency that's defined in the Jamfile. This will assure that the example
programs are link compatible with the version of libtorrent.

Re: vc2010 project

2012-05-15T04:47:21

Quoting Dmitry <russiankickingbear< at >gmail.com>:


The problem is most likely that the client code, that links against libtorrent,
doesn't define the same TORRENT_* defines, such as TORRENT_DISABLE_GEOIP or
TORRENT_USE_OPENSSL.


The easiest way is to let the examples Jamfile build libtorrent through the
dependency that's defined in the Jamfile. This will assure that the example
programs are link compatible with the version of libtorrent.

Read your message before it gets deleted!

Badoo — 2012-05-14T03:58:19

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vc2010 project

Dmitry — 2012-05-13T08:25:42

Hi!

I compile libtorrent in vc2010 and get library which size is above 163 MB.
But if use bjam i'll get file with size 254 MB
The compiler settings for vc2010 project i take from one of the .rsp
file which generated when bjam compiling libtorrent.
And with some of the settings i have big problem - crash in
_CrtIsValidHeapPointer. This crashes occur with TORRENT_USE_OPENSSL
and when GeoIP is ON
In attachment i put my project file, maybe somebody can tell me what i do wrong?

And another question: in folder "examples" is jamfile, how can i
modified this file to use some special libtorrent library which i
complied with jamfile in root libtorrent folder?
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Re: Problem compiling 0.16

Doug Barton — 2012-05-08T01:19:35

I think there may have been some confusion about what I was asking for.
:)  I am working on libtorrent-rasterbar 0.16, with libiconv 1.14.

After re-reading a bunch of the post 0.16.0 threads that I saved, and
looking at the code a bit more, I decided that the easiest thing to do
would be to start with the 0.16.0 release and then apply the patch that
equates to the latest RC_0_16 (r6850). That got everything building, and
running just fine. I also noticed that you incorporated some of my
customizations, which I appreciate. :)

So I guess my question at this point is whether I should release the
port as is (with the patch) or if you are planning a 0.16.1 release any
time soon?

Thanks,

Doug

Problem compiling 0.16

Doug Barton — 2012-05-06T21:56:51

Trying to develop the FreeBSD port for 0.16, and ran into this:

CXX    escape_string.lo
escape_string.cpp: In function 'std::string
libtorrent::iconv_convert_impl(const std::string&, void*)':
escape_string.cpp:628: error: invalid conversion from 'char**' to 'const
char**'
escape_string.cpp:628: error:   initializing argument 2 of 'size_t
libiconv(void*, const char**, size_t*, char**, size_t*)'
*** Error code 1
1 error

Removing the const didn't help.

This is with libiconv-1.14, FWIW.

Doug

Re: Problem compiling 0.16

2012-05-06T21:32:50

Quoting Doug Barton <dougb< at >FreeBSD.org>:


I've found that iconv() seems like something many systems cannot
agree on a signature for. Since it's a pointer to pointer, the type
has to match exactly, since "char**" cannot be implicitly cast to
"const char**". By default I've gone with the posix specification [1]
and introduced exceptions for some known systems with this
alternative signature (which frankly makes more sense, since it's
an immutable argument).

In 0.16 there's a define in libtorrent/config.hpp that can override
this argument type. I believe there is an exception for BSD systems
in there already. Probably not in 0.14 though. You might want to take
a look at 0.16 if you want to try to back-port that (it should just be
a matter of casting the "const char**" to a "char**"). [2] look for
TORRENT_ICONV_ARG.

Problem compiling 0.16

Doug Barton — 2012-05-06T07:37:32

Trying to develop the FreeBSD port for 0.16, and ran into this:

CXX    escape_string.lo
escape_string.cpp: In function 'std::string
libtorrent::iconv_convert_impl(const std::string&, void*)':
escape_string.cpp:628: error: invalid conversion from 'char**' to 'const
char**'
escape_string.cpp:628: error:   initializing argument 2 of 'size_t
libiconv(void*, const char**, size_t*, char**, size_t*)'
*** Error code 1
1 error

Removing the const didn't help.

This is with libiconv-1.14, FWIW.

Doug

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Re: EXC_BAD_ACCESS in torrent_handle::get_peer_info

Alex Shterev — 2012-05-03T00:01:19

Hi Arvid,

thank you for the suggestion - disabling Geo_IP and Resolve_Countries
did the trick :)

As I wrote in the first mail, I am using the 0.16 release. In fact, I
did get the linking error you mentioned (right after upgrading from
0.15.8), even though I've never set any of the TORRENT_DISABLE* flags
before. After one very frustrating hour of debugging, I tried out
disabling DHT on both sides and got the linking working again. *GEO_IP
and *RESOLVE_COUNTRIES are flags that I'm also not interested in, so
this makes it really weird.. Anyhow, thanks for the advice, I'm glad
to have it up and running again :)


Best,
Alex

On Tue, May 1, 2012 at 6:59 PM,  <arvid< at >cs.umu.se> wrote:

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Api document mismatch the parameter?

Han Liu — 2012-05-02T08:02:07

Hi guys,

I found the code to use the handle_alert in the API documentation below:


std::auto_ptr<alert> a;
a = ses.pop_alert();
my_handler h;
while (a.get())
{
        handle_alert<portmap_error_alert
                , tracker_warning_alert
                , torrent_finished_alert
        >::handle_alert(h, a);
        a = ses.pop_alert();

}

But according to the signature of handle_alert *the first parameter should
be alert pointer and second parameter should be handler.*
I am wondering is this documentation mistake?

Re: EXC_BAD_ACCESS in torrent_handle::get_peer_info

2012-05-02T01:59:00

Quoting Alex Shterev <cold.phusion< at >gmail.com>:


This typically happen if you build libtorrent with a different set of TORRENT*
defines than you define when you use it.

I'm guessing it's either TORRENT_DISABLE_GEO_IP or
TORRENT_DISABLE_RESOLVE_COUNTRIES that differs to cause this.

Which version of libtorrent are you using? there's a feature in 0.16 that's
supposed to give you a link error in this case.

EXC_BAD_ACCESS in torrent_handle::get_peer_info

Alex Shterev — 2012-05-02T00:46:08

Hi guys,

I'm building a GUI BitTorrent client with libtorrent and I'm trying to
visualize some information about the connected peers, such as IP,
upload/download speed, etc. So far I've been trying to use
torrent_handle::get_peer_info, but I keep getting an EXC_BAD_ACCESS
at:

* thread #27: tid = 0x4603, 0x00007fff931f6ab7
libstdc++.6.dylib`std::basic_string<char, std::char_traits<char>,
std::allocator<char> >::~basic_string() [inlined] __exchange_and_add
at atomicity.h:51, stop reason = EXC_BAD_ACCESS (code=1,
address=0xfffffffffffffff8)
    frame #0: 0x00007fff931f6ab7
libstdc++.6.dylib`std::basic_string<char, std::char_traits<char>,
std::allocator<char> >::~basic_string() [inlined] __exchange_and_add
at atomicity.h:51
    frame #1: 0x00007fff931f6ab7
libstdc++.6.dylib`std::basic_string<char, std::char_traits<char>,
std::allocator<char> >::~basic_string() [inlined]
__exchange_and_add_dispatch at string-inst.cc:84
    frame #2: 0x00007fff931f6ab7
libstdc++.6.dylib`std::basic_string<char, std::char_traits<c

Re: 0.16.x does not downloading

Александр — 2012-04-29T12:13:11

В сообщении от Воскресенье, 29-апр-2012 07:30:43 вы написали:

no, i does not do anything like this, and same code worked fine with 0.15 
branch, i can post code for session setup and adding torrent, adding torrent 
code is not very small, it have lot's of renames, and i made little changes in 
it for new api, but looks like it working fine (except resolved unc paths 
problem), i have at least two complete and accessible peers one in my network 
with also with external ip, two in internet with external ip, and as i said 
with 0.15 it working fine, i think problem related to some api changes which i 
just miss, but i can't find it ....

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Re: 0.16.x does not downloading

2012-04-29T05:30:43

Quoting ÐÐ»ÐµÐºÑÐ°Ð½Ð´Ñ <sss< at >sss.chaoslab.ru>:


You're not connected to any peers. You know of 5 peers, but they might be
failing to connect (they could come from fast resume for instance).

Do you see any successful tracker announces?

Is the session paused?

have you disabled incoming or outgoing TCP and/or uTP connections by any
chance?

Re: 0.16.x does not downloading

2012-04-28T21:43:31

Quoting ÐÐ»ÐµÐºÑÐ°Ð½Ð´Ñ <sss< at >sss.chaoslab.ru>:

Could you post the full content of the torrent_status from this torrent?