53 lines
1.8 KiB
C++
53 lines
1.8 KiB
C++
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <folly/logging/FileWriterFactory.h>
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#include <folly/logging/LogHandlerFactory.h>
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#include <folly/logging/StandardLogHandlerFactory.h>
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namespace folly {
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/**
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* StreamHandlerFactory is a LogHandlerFactory that constructs log handlers
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* that write to stdout or stderr.
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*
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* This is quite similar to FileHandlerFactory, but it always writes to an
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* existing open file descriptor rather than opening a new file. This handler
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* factory is separate from FileHandlerFactory primarily for safety reasons:
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* FileHandlerFactory supports appending to arbitrary files via config
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* parameters, while StreamHandlerFactory does not.
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*/
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class StreamHandlerFactory : public LogHandlerFactory {
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public:
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StringPiece getType() const override { return "stream"; }
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std::shared_ptr<LogHandler> createHandler(const Options& options) override;
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class WriterFactory : public StandardLogHandlerFactory::WriterFactory {
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public:
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bool processOption(StringPiece name, StringPiece value) override;
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std::shared_ptr<LogWriter> createWriter() override;
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private:
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std::string stream_;
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FileWriterFactory fileWriterFactory_;
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};
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};
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} // namespace folly
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