/* Copyright (C) 2014 InfiniDB, 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; version 2 of
   the License.

   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: filerequest.cpp 506 2008-03-14 15:31:55Z jrodriguez $
 *
 *   jrodriguez@calpont.com   *
 *                                                                         *
 ***************************************************************************/

#include "filerequest.h"
#include <stdexcept>

using namespace std;

namespace dbbc
{
fileRequest::fileRequest()
{
  fLBID = -1;
  fVer = -1;
  data = NULL;
  init();
  fRqstType = LBIDREQUEST;
}

fileRequest::fileRequest(BRM::LBID_t lbid, BRM::VER_t ver, bool flg)
 : data(NULL), fLBID(lbid), fVer(ver), fFlg(flg)
{
  init();
  fLength = 1;
  fRqstType = LBIDREQUEST;
}

fileRequest::fileRequest(BRM::LBID_t lbid, BRM::VER_t ver, bool flg, uint8_t* ptr)
 : fLBID(lbid), fVer(ver), fFlg(flg)
{
  init();
  fLength = 1;
  fRqstType = LBIDREQUEST;
  data = ptr;
}

fileRequest::fileRequest(const BRM::InlineLBIDRange& range, const BRM::VER_t ver)
 : data(NULL), fLBID(range.start), fVer(ver), fFlg(false), fLength(range.size), fRqstType(RANGEREQUEST)
{
  init();
  fLength = range.size;
}

fileRequest::fileRequest(const fileRequest& blk)
{
  fLBID = blk.fLBID;
  fVer = blk.fVer;
  fLength = blk.fLength;
  fblksRead = blk.fblksRead;
  fRqstType = blk.fRqstType;
  fRqstStatus = blk.fRqstStatus;
  data = blk.data;
  init();
}

void fileRequest::init()
{
  if (pthread_mutex_init(&fFRMutex, NULL) != 0)
    throw runtime_error("mutex initialization failure");

  if (pthread_cond_init(&fFRCond, NULL) != 0)
    throw runtime_error("cond var initialization failure");

  fFRPredicate = INIT;
  fLength = 0;
  fblksRead = 0;
  fRqstStatus = 0;
}

fileRequest::~fileRequest()
{
  pthread_mutex_destroy(&fFRMutex);
  pthread_cond_destroy(&fFRCond);
}

}  // namespace dbbc