//
//
//****************************************************************************************//
// Copyright (c) 2002-2012, The MITRE Corporation
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
//     * Redistributions of source code must retain the above copyright notice, this list
//       of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above copyright notice, this 
//       list of conditions and the following disclaimer in the documentation and/or other
//       materials provided with the distribution.
//     * Neither the name of The MITRE Corporation nor the names of its contributors may be
//       used to endorse or promote products derived from this software without specific 
//       prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY 
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
// SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
// OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
// TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
// EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
//****************************************************************************************//

#ifndef SYSTEMINFO_H
#define SYSTEMINFO_H

//	required xerces includes
#include <xercesc/dom/DOM.hpp>
#include <xercesc/dom/DOMAttr.hpp>
#include <xercesc/dom/DOMDocument.hpp>
#include <xercesc/dom/DOMNodeList.hpp>
#include <xercesc/util/XMLString.hpp>
#include <xercesc/util/PlatformUtils.hpp>
#include <xercesc/parsers/AbstractDOMParser.hpp>

#include "XmlCommon.h"
#include "Common.h"
#include "Exception.h"
#include "Log.h"

#include <sys/utsname.h>

#include <unistd.h>

#include <netdb.h>
#include <arpa/inet.h>

#include <iostream>
#include <string>
#include <list>

#include <NetworkInterfaces.h>

XERCES_CPP_NAMESPACE_USE

typedef std::list<NetworkInterfaces::Interface> IntfList;

/**
   This class stores system info as defined in the oval system characteristics schema.
   A write method is provide for writing out the system infor element as defined in the oval 
   system characteristics schema.
*/
class SystemInfo {

public:
	SystemInfo();
	~SystemInfo();
	void Write(XERCES_CPP_NAMESPACE_QUALIFIER DOMDocument *scDoc);
		
	std::string os_name;
	std::string os_version;
	std::string architecture;
	std::string primary_host_name;
	IntfList interfaces;
};

/**
	This class is responsible for collecting system information.
*/
class SystemInfoCollector {
public:
	static SystemInfo* CollectSystemInfo();
		
private:
	static void GetOSInfo(SystemInfo*);
	static IntfList GetInterfaces();
};

/** 
	This class represents an Exception that occured while collecting system info.
*/
class SystemInfoException : public Exception {
	public:
	SystemInfoException(std::string errMsgIn = "", int severity = ERROR_FATAL, Exception* ex = NULL);
		~SystemInfoException();
};

#endif
