Implement showcase: Plug-in for DLT viewer which checks traces against Franca contracts online

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GENIVI provides a DLT viewer which can connect to a target system and collect 
traces. DLT viewer can be extended by DLT-specific plug-ins. A plug-in should 
be implemented which collects traces from a communication between two 
components on the target and checks these traces against the Franca contract 
from the interface.

Original issue reported on code.google.com by klaus.birken@gmail.com on 27 Sep 2013 at 8:28

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Some issues (priorities A-C):
- Mapping on the trace validator side should be done based on the DLT context 
id, not the Franca file path. (A)
- In the DLT viewer plug-in's "available context list", color according to the 
status of the trace validation (if at least one trace message is read, the 
context id should be red). (A)
- All trace messages which do not have the format ([call|respond|signal]_.*) 
shall be ignored in the trace viewer plugin. If a context doesn't contain any 
message with this format, it should not be listed in the "available contexts" 
(A)
- After one message has been marked red, the trace validator should start over. 
(B)
- If the user selects another fidl file in the DLT viewer, the validation 
should start over for all messages in the "trace of context" list (this needs a 
change both in the viewer plug-in and in the OSGI part). (B)
- Performance optimization: Collect several messages (with a timeout) before 
sending them to the trace validator. (C)
- The trace validator (OSGI) server should be started by the DLT viewer 
plug-in, if it is not already running. (C)

Original comment by klaus.birken@gmail.com on 27 Sep 2013 at 8:56

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Some more issues after testing a bit:
- Selecting one trace element in the plug-in's "Messages" list should select 
the corresponding message in DLT viewer's original trace message view (useful 
for locating a "red" trace message in the complete stream of trace messages) (B)
- DLT viewer has a toggle in the toolbar button "Scroll automatically to the 
end of log when receiving data". This toggle should affect also the behavior of 
the plug-ins's "Messages" list (for the currently selected context) (C)

Original comment by klaus.birken@gmail.com on 27 Sep 2013 at 8:28

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The DLT viewer plug-in should be renamed to "Contract Validator" (currently 
"Trace viewer", but this could also refer to any kind of DLT plug-in, even DLT 
viewer itself). It is sufficient to do the renaming in the DLT UI first (and 
not in source packages, classes, repos... - this can be done later). 

Original comment by klaus.birken@gmail.com on 30 Sep 2013 at 11:31

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- mapping OK
- context coloring OK
- message filtering OK

Original comment by szabt...@gmail.com on 30 Sep 2013 at 11:35

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The related C/C++ source codes can be found here: 
https://github.com/szabta89/Franca-DLT

Original comment by szabt...@gmail.com on 30 Sep 2013 at 11:36

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- renaming OK

Original comment by szabt...@gmail.com on 30 Sep 2013 at 1:35

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- new file selection triggers revalidation OK

Original comment by szabt...@gmail.com on 1 Oct 2013 at 12:58

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- the trace validator is able to recover after an error OK (proper expectations 
are printed as tooltip messages)

Original comment by szabt...@gmail.com on 2 Oct 2013 at 1:56

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This implementation is based on the Franca tracevalidator plug-in, which is 
part of the release of Franca 0.9.0 and later (see issue 25 for details).

Original comment by klaus.birken@gmail.com on 7 May 2014 at 4:22

• Changed state: Fixed
• Added labels: Milestone-v0.9.0

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Original comment by klaus.birken@gmail.com on 25 Jan 2015 at 12:29

• Added labels: Component-Tools