/*
 * PVVMUD a 3D MUD
 * Copyright (C) 1998-1999  Programvareverkstedet (pvv@pvv.org)
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */
#include "pvvmud.H"
#include "msgvarlength.H"

CMsgVarLength::CMsgVarLength(BYTE id):CMessage(id,sizeof(DWORD)){
  writeDWord(1,0);
}

long CMsgVarLength::getBodyLength(){
  DWORD bodyLength = readDWord(1);
  reallocMessage(bodyLength);
  return (long)bodyLength;
}

void CMsgVarLength::setBodyLength(DWORD bodyLength){
  reallocMessage(bodyLength);
  writeDWord(1,bodyLength);
}

int CMsgVarLength::sendBody(CStream * stream){ 
  long length = getBodyLength()-(getReadIndex()-getLength());
  if (length == 0) return MESSAGE_OK;
  return sendMessage(stream,getReadIndex(),length);
}

int CMsgVarLength::reciveBody(CStream * stream){ 
  long length = getBodyLength()-(getWriteIndex()-getLength());
  if (length == 0) return MESSAGE_OK;
  return reciveMessage(stream,getWriteIndex(),length);
}

int CMsgVarLength::recive(CStream * stream){
  if ( (CMessage::recive(stream)==MESSAGE_OK) && 
       (reciveBody(stream)==MESSAGE_OK) ){
    return MESSAGE_OK;
  } 
  return MESSAGE_BLOCKING;
}

int CMsgVarLength::send(CStream * stream){
  if ( (CMessage::send(stream)==MESSAGE_OK) && 
       (sendBody(stream)==MESSAGE_OK) ){
    return MESSAGE_OK;
  } 
  return MESSAGE_BLOCKING;
}