ProcMdstat.h

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/*
 * Copyright (c) [2004-2010] 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 PROC_MDSTAT_H
#define PROC_MDSTAT_H


namespace storage
{

    class ProcMdstat
    {
    public:

        ProcMdstat();

        struct Entry
        {
            Entry() : md_type(RAID_UNK), md_parity(PAR_DEFAULT), size_k(0), chunk_k(0),
                      readonly(false), is_container(false), has_container(false) {}

            MdType md_type;
            MdParity md_parity;

            string super;

            unsigned long long size_k;
            unsigned long chunk_k;

            bool readonly;

            list<string> devices;
            list<string> spares;

            bool is_container;

            bool has_container;
            string container_name;
            string container_member;
        };

        friend std::ostream& operator<<(std::ostream& s, const Entry& entry);

        list<string> getEntries() const;

        bool getEntry(const string& name, Entry& entry) const;

        typedef map<string, Entry>::const_iterator const_iterator;

        const_iterator begin() const { return data.begin(); }
        const_iterator end() const { return data.end(); }

    private:

        Entry parse(const string& line1, const string& line2);

        map<string, Entry> data;

    };


    struct MdadmDetails
    {
        string uuid;
        string devname;
        string metadata;
    };

    bool getMdadmDetails(const string& dev, MdadmDetails& details);


    bool isImsmPlatform();

}


#endif

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