NfsCo.h

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/*
 * Copyright (c) [2004-2009] 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 NFS_CO_H
#define NFS_CO_H

#include "y2storage/Container.h"
#include "y2storage/Nfs.h"

namespace storage
{
class NfsCo : public Container
    {
    friend class Storage;

    public:
        NfsCo( Storage * const s, ProcMounts& mounts );
        NfsCo( Storage * const s );
        NfsCo( const NfsCo& rhs );

        virtual ~NfsCo();
        static storage::CType staticType() { return storage::NFSC; }
        friend std::ostream& operator<< ( std::ostream&, const NfsCo& );
        int addNfs( const string& nfsDev, unsigned long long sizeK,
                    const string& mp );

        static bool isNfsDev( const string& dev );
        int removeVolume( Volume* v );
        int doRemove( Volume* );

        bool equalContent( const Container& rhs ) const;
        void logDifference( const Container& d ) const;
        
    protected:
        // iterators over NFS volumes
        // protected typedefs for iterators over NFS volumes
        typedef CastIterator<VIter, Nfs *> NfsInter;
        typedef CastIterator<CVIter, const Nfs *> NfsCInter;
        template< class Pred >
            struct NfsPI { typedef ContainerIter<Pred, NfsInter> type; };
        template< class Pred >
            struct NfsCPI { typedef ContainerIter<Pred, NfsCInter> type; };
        typedef CheckFnc<const Nfs> CheckFncNfs;
        typedef CheckerIterator< CheckFncNfs, NfsPI<CheckFncNfs>::type,
                                 NfsInter, Nfs > NfsPIterator;
        typedef CheckerIterator< CheckFncNfs, NfsCPI<CheckFncNfs>::type,
                                 NfsCInter, const Nfs > NfsCPIterator;
        typedef DerefIterator<NfsPIterator,Nfs> NfsIter;
        typedef DerefIterator<NfsCPIterator,const Nfs> ConstNfsIter;
        typedef IterPair<NfsIter> NfsPair;
        typedef IterPair<ConstNfsIter> ConstNfsPair;

        NfsPair nfsPair( bool (* Check)( const Nfs& )=NULL)
            {
            return( NfsPair( nfsBegin( Check ), nfsEnd( Check ) ));
            }
        NfsIter nfsBegin( bool (* Check)( const Nfs& )=NULL)
            {
            IterPair<NfsInter> p( (NfsInter(begin())), (NfsInter(end())) );
            return( NfsIter( NfsPIterator( p, Check )) );
            }
        NfsIter nfsEnd( bool (* Check)( const Nfs& )=NULL)
            {
            IterPair<NfsInter> p( (NfsInter(begin())), (NfsInter(end())) );
            return( NfsIter( NfsPIterator( p, Check, true )) );
            }

        ConstNfsPair nfsPair( bool (* Check)( const Nfs& )=NULL) const
            {
            return( ConstNfsPair( nfsBegin( Check ), nfsEnd( Check ) ));
            }
        ConstNfsIter nfsBegin( bool (* Check)( const Nfs& )=NULL) const
            {
            IterPair<NfsCInter> p( (NfsCInter(begin())), (NfsCInter(end())) );
            return( ConstNfsIter( NfsCPIterator( p, Check )) );
            }
        ConstNfsIter nfsEnd( bool (* Check)( const Nfs& )=NULL) const
            {
            IterPair<NfsCInter> p( (NfsCInter(begin())), (NfsCInter(end())) );
            return( ConstNfsIter( NfsCPIterator( p, Check, true )) );
            }

        NfsCo( Storage * const s, const string& File );

        bool findNfs( const string& dev, NfsIter& i );
        bool findNfs( const string& dev );
        void getNfsData( ProcMounts& mounts );
        void init();

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

        void logData( const string& Dir );
    };

}

#endif

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