Backends: fatal error : This OUT port is not connected to any destination？

[Liufengyuann]

Hello, when I run the ping example from polyorb_hi_c ,but i get the fatal error like this :

but the out port of thread P will be a subcomponent of process A, and thread Q will be a subcomponent of process B.

process A will connected to process B ,so the OUT PORT of Thread P will connected to Thread Q, but this error occurred.

So how can I solve this error? Hope I can get your help， thanks!

[yoogx]

I would need more details on the version of Ocarina you are using; and which ping example you are using. All examples are tested nightly and are known to work properly

[Liufengyuann]

Ocarina version Im using:

and the example path is ocarina/ocarina-build/ocarina_install/examples/ocarina/polyorb-hi-c/aadlv2/ping

Can you make some suggestions to solve the problem？ thank you so much!

[yoogx]

AFAICT it works.

Go in ocarina/ocarina-build/ocarina_install/examples/ocarina/polyorb-hi-c/aadlv2/pingand type make build-all. This is the test I run during regression tests. It compiles this example in various configurations. I do not test through OSATE.

In this example, the two processes are connected. But you changed it as the line numbers do not match. Also, the code does not match. I do not use "conn" as a name for the connections in this file. OSATE may have reported an error here, I have to port this example to OSATE, Ocarina is a bit lax here.

So first test the original example from the command line

[Liufengyuann]

Thanks! But I also have some problems..

But the dir does not have a makefile, so maybe i can not run make build-all

And when i type ocarina -p ping.aadl to parse the ping.aadl ,I got these errors

Maybe the instruction i used is not correct ?

Whats more , if i do not revise the example, use the original file from example, I will get error like this

This example does not seem to meet the AADL specification ..?

[yoogx]

You may want to read the doc first, ocarina -p parses one file, but you need extra parameters to indicate which version of AADL you want to use, etc.

PolyORB-HI/C examples must be ported to OSATE, a few elements are missing like names for connections. OSATE is stricter than it used to be on this. Only the examples from AADLib have been ported to OSATE

You are right there is no makefile, it seems you used build_ocarina.sh to compil, and I missed that you were referencing the install directory and not the build one. If so go, in the source directory; (path from my install, you may adapt this) ocarina-build/ocarina/resources/runtime/polyorb-hi-c/examples/aadlv2/ping and run make build-all

alternatively; from the command line: ocarina -bx scenario.aadl will generate code and compile it. It does not depend on any makefile and should work in your install directory

[Liufengyuann]

Thank you!!! I have successfully run it!! Thank you so much~ My research topic is the conversion of aadl to C language. I would like to know in which part of your code the aadl parsing process is implemented? Thank you so much for your help!

[jjhugues]

Glad it worked. Ocarina is a compiler, so review the code: frontends has the parsing, backends the code generation part for the multiple targets we support. Code generation simply instantiate the PolyORB-HI/C middleware