FYI: I have merged the patch now, but removed the "N/A" check. You can see
the commits on github. Again, if you see these "N/A", we need to dig into
what's going on.

Thanks again!
Rainer


On Tue, Aug 26, 2014 at 1:52 PM, Rainer Gerhards <[email protected]>
wrote:

> I mean the N/A case...
>
> Sent from phone, thus brief.
> Am 26.08.2014 13:45 schrieb "bodik" <[email protected]>:
>
> On 08/26/14 13:27, Rainer Gerhards wrote:
>> > On Tue, Aug 26, 2014 at 12:49 PM, bodik <[email protected]> wrote:
>> >
>> >> we have no problem with ASL2.0
>> >>
>> >> if you merge our proposal please use the latest version from
>> >>
>> >>
>> >>
>> http://home.zcu.cz/~bodik/metasw/rsyslog2/metapatches/tcpsrv-peeraddr-logging1.patch
>> >>
>> >> which has just cosmetic difference ("NA" vs "N/A")
>> >>
>> >>
>> > do you have actual cases where this happens? I ask because this would
>> be a
>> > bug that needs different addressing. The property needs to be set at
>> that
>> > point of processing.
>>
>> we see those log lines in production from time to time, and since we are
>> unable
>> to tell which node is failing to connect, we choose to enhance logging.
>> also we
>> are able to simulate it during our QA testing phase using simulated
>> network
>> failures (
>> http://home.zcu.cz/~bodik/metasw/rsyslog2/test02/test_clients.sh)
>>
>>
>>
>> I also tried a different approach with getpeername() and getnameinfo(),
>> but it
>> generaly does not work in every situation since I cann't get proper
>> information
>> on failed socket [ENOTCONN]
>>
>>
>>
>> So I choosed to use property which should be present and set at the very
>> begining of the connection (both tcp or gssapi)
>>
>>
>> http://git.adiscon.com/?p=rsyslog.git;a=blob;f=tcpsrv.c;h=3770a02cfda7ce8f372ce9f6040acef645f799c8;hb=HEAD#l456
>>
>> and whole thing is based on actual rsyslog code
>>
>>
>> http://git.adiscon.com/?p=rsyslog.git;a=blob;f=tcpsrv.c;h=3770a02cfda7ce8f372ce9f6040acef645f799c8;hb=HEAD#l556
>>
>>
>>
>> If there's something I'm missing we could elaborate further on, the goal
>> is to
>> get the IP address on the server side in case of failing reading from
>> socket
>>
>>
>>
>> -----------------------------
>> the real world example:
>>
>> Aug 26 07:59:59 127.0.0.1 xxx Aug 26 07:59:59 rsyslogd-2101: netstream
>> session
>> 0x7f67d8658570 will be closed due to error
>> Aug 26 08:00:04 127.0.0.1 xxx Aug 26 08:00:04 rsyslogd-2101: netstream
>> session
>> 0x7f67d83f3d20 will be closed due to error
>> Aug 26 08:02:58 127.0.0.1 xxx Aug 26 08:02:58 rsyslogd-2101: netstream
>> session
>> 0x1862e50 will be closed due to error
>>
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