I am writing an app that utilizes ZMQ for messaging between processes. In order to unit test the app, I am attempting to create a special loopback socket. Without going into too many details about the app yet, I was wondering if there are ways to get socket status in order to help identify why messages are not getting sent or received. How do you tell if a socket is connected to something on the other side? Is there a way to determine how many messages are in the queue?
Thanks, Kevin
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