/usr/include/Poco/Util/SystemConfiguration.h is in libpoco-dev 1.8.0.1-1ubuntu4.
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// SystemConfiguration.h
//
// Library: Util
// Package: Configuration
// Module: SystemConfiguration
//
// Definition of the SystemConfiguration class.
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef Util_SystemConfiguration_INCLUDED
#define Util_SystemConfiguration_INCLUDED
#include "Poco/Util/Util.h"
#include "Poco/Util/AbstractConfiguration.h"
namespace Poco {
namespace Util {
class Util_API SystemConfiguration: public AbstractConfiguration
/// This class implements a Configuration interface to
/// various system properties and environment variables.
///
/// The following properties are supported:
/// - system.osName: the operating system name
/// - system.osVersion: the operating system version
/// - system.osArchitecture: the operating system architecture
/// - system.nodeName: the node (or host) name
/// - system.nodeId: system ID, based on the Ethernet address (format "xxxxxxxxxxxx")
/// of the first Ethernet adapter found on the system.
/// - system.currentDir: the current working directory
/// - system.homeDir: the user's home directory
/// - system.tempDir: the system's temporary directory
/// - system.dateTime: the current UTC date and time, formatted in ISO 8601 format.
/// - system.pid: the current process ID.
/// - system.env.<NAME>: the environment variable with the given <NAME>.
///
/// An attempt to set a system variable will result in an
/// InvalidAccessException being thrown.
///
/// Enumerating environment variables is not supported.
/// An attempt to call keys("system.env") will return an empty range.
///
/// Removing key is not supported. An attempt to remove a key results
/// in a NotImplementedException being thrown.
{
public:
SystemConfiguration();
/// Creates the SystemConfiguration.
protected:
bool getRaw(const std::string& key, std::string& value) const;
void setRaw(const std::string& key, const std::string& value);
void enumerate(const std::string& key, Keys& range) const;
void removeRaw(const std::string& key);
~SystemConfiguration();
private:
static bool getEnv(const std::string& name, std::string& value);
static const std::string OSNAME;
static const std::string OSVERSION;
static const std::string OSARCHITECTURE;
static const std::string NODENAME;
static const std::string NODEID;
static const std::string CURRENTDIR;
static const std::string HOMEDIR;
static const std::string TEMPDIR;
static const std::string DATETIME;
#if !defined(POCO_VXWORKS)
static const std::string PID;
#endif
static const std::string ENV;
};
} } // namespace Poco::Util
#endif // Util_SystemConfiguration_INCLUDED
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