John Brooks 860ae9a024 Rework the API around connection events ... This is a rework of some parts of the API to make connection management for applications more sane and reliable. - The RicochetService interface is split into the ServiceHandler and ConnectionHandler interfaces. ServiceHandler is implemented by the application to handle inbound connections to a listener. ConnectionHandler is implemented to handle events for a single OpenConnection. Handler instances should no longer be shared for different listeners or connections. - Instead of automatically starting a processConnection goroutine, the application is now responsible for calling OpenConnection.Process in a goroutine to act on the connection. This function blocks until the connection is closed. This change allows a better application pattern for setting the handler of a connection and reacting to connection loss. - It is no longer necessary to have started a listener in order to make outbound connections. - The Ricochet type is removed, because it no longer served any purpose, and this avoids having any shared state between different listeners or connections.		2016-12-03 16:53:13 -08:00
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echobot	Rework the API around connection events	2016-12-03 16:53:13 -08:00