A wrapper for zmq for the specific usage of writing data to Groot.

• zmq

This class has a member dataCallback which is meant to be passed to / called by AsyncBehaviorTree.

Two arguments, a buffer and a flushList.

• The first call to this function must have only the first buffer, and no 2nd argument
  • This first call is the full header
• The second call can have either the buffer, or the buffer and flushList
• The buffer is always data output from AsyncBehaviorTree