[genivi-dlt] Binary encoding of DLT logs

Malith Withanage Don Malith.Withanage.Don at bmw-carit.de
Wed Nov 22 08:55:35 EST 2017


Hi Christoph,

I have already written a generic log analyser(specific to our requirements) to parse text based logs and its written in Java. Now I am trying to write an extension to read DLT log files in Java(not a JAVA based DLT client) and feed them to the analyser for processing. I had also look at DLT viewer implementation about how it reads DLT log file(QDltParser::parseFile). Basically it reads line by line using inbuilt QT library functions. But I still couldn't do the same in Java. Thats why I thought it may be a different encoding used.

Thanks,
Malith
________________________________________
From: genivi-diagnostic-log-and-trace <genivi-diagnostic-log-and-trace-bounces at lists.genivi.org> on behalf of Lipka, Christoph (ADITG/ESA) <clipka at de.adit-jv.com>
Sent: Wednesday, November 22, 2017 2:06 PM
To: genivi-diagnostic-log-and-trace at lists.genivi.org
Subject: Re: [genivi-dlt] Binary encoding of DLT logs

Hi,

Could you please be a bit more specific what the actual problem is? Do you write a JAVA based DLT client to receive messages directly, or do you try to parse a DLT log file, which is created by e.g. the DLT viewer?
I guess you can have a look at the DLT daemon and viewer code how the DLT message format is defined. On autosar.org, you can find the specification as well.

Regards,
Christoph


-----Ursprüngliche Nachricht-----
Von: genivi-diagnostic-log-and-trace [mailto:genivi-diagnostic-log-and-trace-bounces at lists.genivi.org] Im Auftrag von Malith Withanage Don
Gesendet: Mittwoch, 22. November 2017 13:51
An: genivi-diagnostic-log-and-trace at lists.genivi.org
Betreff: [genivi-dlt] Binary encoding of DLT logs

Hi All,


I am writing a Java parser to parse DLT logs and facing a issue where the output always contains some non-text values regardless of ending method used. So it would be great if someone can shed some light on what kind of encoding is used when creating the DLT file and data structure if there is any.


Thanks,

Malith
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