Allow a RSU receive messages in Veins

Question

I'm trying to implement a very simple scenery on Veins (OMNeT++ + SUMO) with just three vehicles and one unique fixed RSU, but I'm new in Veins and I'm not able to move very well, despite the tons of documents, FAQs and tutorials I've already read!

My start point is the default TraCI scenary demo, but here the vehicles send and receive, while the RSU just send in broadcast. I managed to fix manually my RSU (adding a MapName.add.xml file and import it from MapName.sumo.cfg, and later modifying RSU.ned and omnetpp.ini). So, at this point I can see my RSU on the simulation map, and the SUMO simulation end well. But for resolve my problem I need to allow RSU not only to send, but also to receive (I have to establish a V2I2V communication).

The copious material I found is sometimes similar to my goal, but dispersive and lacking, and none found any solution. How to edit this default scenery to reach this outcome? Would be extraordinary to have a complete and working code, or be driven by someone more experienced than me.

Many thanks!

Answer 1

The tutorial that comes with Veins 4a2 already includes an RSU that receives data. When it does, it changes its color to green. See TraCIDemoRSU11p::onData for how this is done.