# Copyright 2015 gRPC authors. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # GRPC contains the General RPC module. module GRPC # DefaultLogger is a module included in GRPC if no other logging is set up for # it. See ../spec/spec_helpers an example of where other logging is added. module DefaultLogger def logger LOGGER end private # NoopLogger implements the methods of Ruby's conventional logging interface # that are actually used internally within gRPC with a noop implementation. class NoopLogger def info(_ignored) end def debug(_ignored) end def warn(_ignored) end end LOGGER = NoopLogger.new end # Inject the noop #logger if no module-level logger method has been injected. extend DefaultLogger unless methods.include?(:logger) end