GetOrBuildProducer returns a reference to the existing Producer for this ProducerBuilder in this SubConn, or, if one does not currently exist, creates a new one and returns it. Returns a close function which may be called when the Producer is no longer needed. Otherwise the producer will automatic
(ProducerBuilder)
| 70 | // Should only be called on a SubConn in state Ready. Otherwise the |
| 71 | // producer will be unable to create streams. |
| 72 | GetOrBuildProducer(ProducerBuilder) (p Producer, close func()) |
| 73 | // Shutdown shuts down the SubConn gracefully. Any started RPCs will be |
| 74 | // allowed to complete. No future calls should be made on the SubConn. |
| 75 | // One final state update will be delivered to the StateListener (or |
no outgoing calls