| # 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 |