72 lines
2.4 KiB
C++
72 lines
2.4 KiB
C++
#ifndef STAR_ROOT_LOADER_HPP
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#define STAR_ROOT_LOADER_HPP
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#include "StarVersionOptionParser.hpp"
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#include "StarRoot.hpp"
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namespace Star {
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// Parses command line flags and loads and returns the Root singleton based on
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// them.
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//
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// It is designed to load settings first from the settings passed into the
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// constructor, then from the required boot config file , then from any passed
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// in command line flags. Besides -version, the accepted command line flags
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// are:
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//
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// -bootconfig <bootconfig> - sets path to the boot configuration file, defaults to sbinit.config
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// -logfile <logfile> - sets path to logfile, if any, relative to root storage directory
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// -loglevel <level> - sets logging level
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// -quiet - turns off stdout logging
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// -verbose - turns on stdout logging
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// -runtimeconfig - sets the path to the runtime configuration storage file, relative to root storage directory
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//
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// The boot config file can contain the following options:
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// 'assetDirectories' - Asset source search directories
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// 'logFileBackups' - Number of rotated backups of the target log file
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// 'storageDirectory' - Primary Root storage directory
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// 'assetsSettings' - Merged with base assets settings
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// 'defaultConfiguration' - Merged with base default configuration
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class RootLoader : public VersionOptionParser {
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public:
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struct Defaults {
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// Merged on top of the base assets settings hard-coded in RootLoader.
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Json additionalAssetsSettings;
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// Merged on top of the base default configuration hard-coded in RootLoader.
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Json additionalDefaultConfiguration;
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// Name of the log file that should be written, if any, relative to the
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// storage directory
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Maybe<String> logFile;
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// The minimum log level to write to any log sink
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LogLevel logLevel;
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// If true, doesn't write any logging to stdout, only to the log file if
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// given.
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bool quiet;
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// If given, will write changed configuration to the given file within the
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// storage directory.
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Maybe<String> runtimeConfigFile;
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};
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RootLoader(Defaults defaults);
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pair<Root::Settings, Options> parseOrDie(StringList const& cmdLineArguments) const;
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pair<RootUPtr, Options> initOrDie(StringList const& cmdLineArguments) const;
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pair<Root::Settings, Options> commandParseOrDie(int argc, char** argv);
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pair<RootUPtr, Options> commandInitOrDie(int argc, char** argv);
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private:
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Root::Settings rootSettingsForOptions(Options const& options) const;
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Defaults m_defaults;
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};
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}
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#endif
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