NewChannelzServer creates a new ChannelzServer with the given address.

NewGrpcServer creates a new GrpcServer with the given port, handler, and logger.

NewPprofServer creates a new PprofServer with the given address and logger.

ChannelzServer implements the Server interface for Channelz service.

GrpcServer implements the Server interface for gRPC services.

PprofServer implements the Server interface for pprof HTTP endpoints.