TmpfsCo.h

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/*
 * Copyright (c) [2004-2011] Novell, Inc.
 *
 * All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License as published
 * by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, contact Novell, Inc.
 *
 * To contact Novell about this file by physical or electronic mail, you may
 * find current contact information at www.novell.com.
 */


#ifndef TMPFS_CO_H
#define TMPFS_CO_H

#include "storage/Container.h"
#include "storage/Tmpfs.h"


namespace storage
{
    class SystemInfo;


class TmpfsCo : public Container
    {
    friend class Storage;

    public:

        TmpfsCo(Storage * const s);
        TmpfsCo(Storage * const s, const EtcFstab& fstab, SystemInfo& systeminfo);
        TmpfsCo(const TmpfsCo& c);
        virtual ~TmpfsCo();

        int addTmpfs( const string& mp, const string &opts );
        int removeTmpfs( const string& mp, bool silent=false );

        int doRemove( Volume* v );

        static storage::CType staticType() { return storage::TMPFSC; }
        friend std::ostream& operator<< (std::ostream&, const TmpfsCo& );

        int removeVolume( Volume* v );
        int removeVolume( Volume* v, bool quiet );
        bool equalContent( const Container& rhs ) const;
        void saveData(xmlNode* node) const;

        virtual void logDifferenceWithVolumes(std::ostream& log, const Container& rhs) const;
        virtual void logData(const string& Dir) const;

        
    protected:
        // iterators over TMPFS volumes
        // protected typedefs for iterators over TMPFS volumes
        typedef CastIterator<VIter, Tmpfs *> TmpfsInter;
        typedef CastIterator<CVIter, const Tmpfs *> TmpfsCInter;
        template< class Pred >
            struct TmpfsPI { typedef ContainerIter<Pred, TmpfsInter> type; };
        template< class Pred >
            struct TmpfsCPI { typedef ContainerIter<Pred, TmpfsCInter> type; };
        typedef CheckFnc<const Tmpfs> CheckFncTmpfs;
        typedef CheckerIterator< CheckFncTmpfs, TmpfsPI<CheckFncTmpfs>::type,
                                 TmpfsInter, Tmpfs > TmpfsPIterator;
        typedef CheckerIterator< CheckFncTmpfs, TmpfsCPI<CheckFncTmpfs>::type,
                                 TmpfsCInter, const Tmpfs > TmpfsCPIterator;
        typedef DerefIterator<TmpfsPIterator,Tmpfs> TmpfsIter;
        typedef DerefIterator<TmpfsCPIterator,const Tmpfs> ConstTmpfsIter;
        typedef IterPair<TmpfsIter> TmpfsPair;
        typedef IterPair<ConstTmpfsIter> ConstTmpfsPair;

        TmpfsPair tmpfsPair( bool (* Check)( const Tmpfs& )=NULL)
            {
            return( TmpfsPair( tmpfsBegin( Check ), tmpfsEnd( Check ) ));
            }
        TmpfsIter tmpfsBegin( bool (* Check)( const Tmpfs& )=NULL)
            {
            IterPair<TmpfsInter> p( (TmpfsInter(begin())), (TmpfsInter(end())) );
            return( TmpfsIter( TmpfsPIterator( p, Check )) );
            }
        TmpfsIter tmpfsEnd( bool (* Check)( const Tmpfs& )=NULL)
            {
            IterPair<TmpfsInter> p( (TmpfsInter(begin())), (TmpfsInter(end())) );
            return( TmpfsIter( TmpfsPIterator( p, Check, true )) );
            }

        ConstTmpfsPair tmpfsPair( bool (* Check)( const Tmpfs& )=NULL) const
            {
            return( ConstTmpfsPair( tmpfsBegin( Check ), tmpfsEnd( Check ) ));
            }
        ConstTmpfsIter tmpfsBegin( bool (* Check)( const Tmpfs& )=NULL) const
            {
            IterPair<TmpfsCInter> p( (TmpfsCInter(begin())), (TmpfsCInter(end())) );
            return( ConstTmpfsIter( TmpfsCPIterator( p, Check )) );
            }
        ConstTmpfsIter tmpfsEnd( bool (* Check)( const Tmpfs& )=NULL) const
            {
            IterPair<TmpfsCInter> p( (TmpfsCInter(begin())), (TmpfsCInter(end())) );
            return( ConstTmpfsIter( TmpfsCPIterator( p, Check, true )) );
            }

        void getTmpfsData(const EtcFstab& fstab, SystemInfo& systeminfo);
        bool findTmpfs( const string& mp, TmpfsIter& i );

        virtual void print( std::ostream& s ) const { s << *this; }
        virtual Container* getCopy() const { return( new TmpfsCo( *this ) ); }

    private:

        TmpfsCo& operator=(const TmpfsCo&); // disallow
        
    };

}

#endif

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