Oded Zahavi

Add connection open/close callbacks

9

## What do these changes do? Add new callbacks for connection opened/close for consumer and producer ## Are there changes in behavior for the user? User may add callbacks if...

Connection established, Kafka unavailable

11

Hi, We're facing an issue where we send and receive messages using aiokafka. When restarting kafka docker container the connection is established, but kafka seems not to be ready yet,...