mirror of
https://github.com/facebook/sapling.git
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1cf24c15b5
Summary: Add new fields to EdenConfig to control log rotation settings, and update edenfs_monitor to set up the log rotation strategy using these settings. Reviewed By: chadaustin Differential Revision: D20427271 fbshipit-source-id: 9960bdb6f4d077a4e21fb4a6209aa02ab21ad653
67 lines
1.4 KiB
C++
67 lines
1.4 KiB
C++
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This software may be used and distributed according to the terms of the
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* GNU General Public License version 2.
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*/
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#pragma once
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#include <condition_variable>
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#include <deque>
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#include <memory>
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#include <mutex>
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#include <thread>
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#include <folly/File.h>
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#include <folly/Synchronized.h>
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#include "eden/fs/utils/PathFuncs.h"
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namespace facebook {
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namespace eden {
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class LogRotationStrategy;
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class LogFile {
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public:
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LogFile(
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const AbsolutePath& path,
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size_t maxSize,
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std::unique_ptr<LogRotationStrategy> rotationStrategy);
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~LogFile();
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/**
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* Write data to the log file.
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*
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* If the full buffer was successfully written 0 is returned.
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* Returns an errno value on failure.
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*/
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int write(const void* buffer, size_t size);
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int fd() const {
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return log_.fd();
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}
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private:
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using RotateQueue = std::deque<std::optional<AbsolutePath>>;
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void rotate();
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folly::File mainThreadRotation();
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void triggerBackgroundRotation(std::optional<AbsolutePath>&& path);
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void runRotateThread();
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AbsolutePath const path_;
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folly::File log_;
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size_t logSize_{0};
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size_t maxLogSize_{100 * 1024 * 1024};
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std::unique_ptr<LogRotationStrategy> const rotationStrategy_;
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std::condition_variable rotationCV_;
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folly::Synchronized<RotateQueue, std::mutex> rotationQueue_;
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std::thread rotationThread_;
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};
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} // namespace eden
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} // namespace facebook
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