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- /*
- * Copyright 2017-present Facebook, Inc.
- *
- * 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.
- */
- #pragma once
- #include <folly/logging/LogHandlerFactory.h>
- namespace folly {
- /**
- * StreamHandlerFactory is a LogHandlerFactory that constructs log handlers
- * that write to stdout or stderr.
- *
- * This is quite similar to FileHandlerFactory, but it always writes to an
- * existing open file descriptor rather than opening a new file. This handler
- * factory is separate from FileHandlerFactory primarily for safety reasons:
- * FileHandlerFactory supports appending to arbitrary files via config
- * parameters, while StreamHandlerFactory does not.
- */
- class StreamHandlerFactory : public LogHandlerFactory {
- public:
- StringPiece getType() const override {
- return "stream";
- }
- std::shared_ptr<LogHandler> createHandler(const Options& options) override;
- private:
- class WriterFactory;
- };
- } // namespace folly
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