/*

 * Copyright (c) 2020 Red Hat, Inc.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 * 

 * 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, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA

 * 02110-1301, USA. 

 *

 * $Id: //eng/vdo-releases/aluminum/src/c++/vdo/base/vdoState.c#1 $

 */

#include "vdoState.h"

#include "permassert.h"

static const char *VDO_STATE_NAMES[] = {

  [VDO_CLEAN]               = "CLEAN",

  [VDO_DIRTY]               = "DIRTY",

  [VDO_FORCE_REBUILD]       = "FORCE_REBUILD",

  [VDO_NEW]                 = "NEW",

  [VDO_READ_ONLY_MODE]      = "READ_ONLY_MODE",

  [VDO_REBUILD_FOR_UPGRADE] = "REBUILD_FOR_UPGRADE",

  [VDO_RECOVERING]          = "RECOVERING",

  [VDO_REPLAYING]           = "REPLAYING",

};

/**********************************************************************/

const char *getVDOStateName(VDOState state)

{

  // Catch if a state has been added without updating the name array.

  STATIC_ASSERT(COUNT_OF(VDO_STATE_NAMES) == VDO_STATE_COUNT);

  int result = ASSERT(state < COUNT_OF(VDO_STATE_NAMES),

                      "VDOState value %u must have a registered name", state);

  if (result != UDS_SUCCESS) {

    return "INVALID VDO STATE CODE";

  }

  return VDO_STATE_NAMES[state];

}

/**********************************************************************/

const char *describeVDOState(VDOState state)

{

  // These strings should all fit in the 15 chars of VDOStatistics.mode.

  switch (state) {

  case VDO_RECOVERING:

    return "recovering";

  case VDO_READ_ONLY_MODE:

    return "read-only";

  default:

    return "normal";

  }

}