RegisterEchoServiceHandler registers the http handlers for service EchoService to "mux". The handlers forward requests to the grpc endpoint over "conn

RegisterEchoServiceHandler registers the http handlers for service EchoService to "mux". The handlers forward requests to the grpc endpoint over the g

getRestMux initializes a new multiplexer, and registers each endpoint - in this case only the EchoService

grpcHandlerFunc returns an http.Handler that delegates to grpcServer on incoming gRPC connections or otherHandler otherwise. Copied from cockroachdb.

implements echo function of EchoServiceServer

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implements hello function of EchoServiceServer

RegisterEchoServiceHandlerFromEndpoint is same as RegisterEchoServiceHandler but automatically dials to "endpoint" and closes the connection when "ctx