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9fa292b9ed
Reviewed By: genevievehelsel Differential Revision: D36429182 fbshipit-source-id: 7d355917abf463493c37139856810de13e1090ff
73 lines
2.0 KiB
C++
73 lines
2.0 KiB
C++
/*
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* Copyright (c) Meta Platforms, Inc. and 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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/*
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* This file contains helper functions related to parsing edenfs command line
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* arguments and determining the initial Eden configuration and state directory.
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*
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* This enables this logic to be shared by the main edenfs process as well as
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* other helper tools that need to be able to access the Eden state directory
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* and configuration data.
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*/
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#include <memory>
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#include <string>
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#include <folly/Conv.h>
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#include <folly/portability/GFlags.h>
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#include "eden/fs/utils/PathFuncs.h"
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DECLARE_bool(foreground);
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DECLARE_string(configPath);
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DECLARE_string(etcEdenDir);
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namespace facebook::eden {
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class EdenConfig;
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class UserInfo;
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PathComponentPiece getDefaultLogFileName();
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AbsolutePath makeDefaultLogDirectory(AbsolutePathPiece edenDir);
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std::string getLogPath(AbsolutePathPiece edenDir);
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/**
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* Get the EdenConfig object.
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*
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* This processes the command line arguments and config settings to construct
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* the EdenConfig. This also determines the location of the Eden state
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* directory, which can be obtained by calling EdenConfig::getEdenDir().
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* This function will create the Eden state directory on disk if it does not
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* already exist.
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*/
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std::unique_ptr<EdenConfig> getEdenConfig(UserInfo& identity);
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/**
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* ArgumentError will be thrown by getEdenConfig() for common or expected
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* exceptions when trying to set up the Eden config data. This includes issues
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* like bad command line arguments or errors creating or finding the expected
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* state and config data on disk.
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*
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* The caller of getEdenConfig() should generally catch ArgumentError exceptions
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* and display them nicely to the end user.
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*/
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class ArgumentError : public std::exception {
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public:
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explicit ArgumentError(std::string&& str) : message_(std::move(str)) {}
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const char* what() const noexcept override {
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return message_.c_str();
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}
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private:
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std::string message_;
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};
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} // namespace facebook::eden
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