Completion of error handling

[elfring]

I have looked at a few source files for your current software. I have noticed that some checks for return codes are missing.

Would you like to add more error handling for return values from functions like the following?

• pthread_create ⇒ Manager::start_control_relaying
• calloc ⇒ Device constructor

[dominicgs]

We definitely need to do this sort of thing. The code was originally a proof of concept and we were aware that we weren't bothering to check return values, etc. Now that it's getting a little more attention I think it's about time we cleaned things up.

[elfring]

Are you interested to apply aspect-oriented software development? How do you think about to encapsulate error detection and corresponding exception handling as a reusable aspect in your software?

[dominicgs]

I don't know enough about aspect oriented programming to answer your question, but I'll try to read about it and see how it applies to USBProxy.

[elfring]

Do you find information sources like the following useful?

• Article "A Reusable Aspect for Memory Allocation Checking"
• Document "Aspect-Oriented Software Development - An Introduction" by Johan Brichau and Theo D'Hondt
• Paper "On Typesafe Aspect Implementations in C++" by Daniel Lohmann and Olaf Spinczyk