/*
 * $Id$
 *
 * Copyright (c) 2002-2011, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
 * Copyright (c) 2002-2011, Professor Benoit Macq
 * Copyright (c) 2010-2011, Kaori Hagihara
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include <stdio.h>
#include <stdlib.h>
#include "cachemodel_manager.h"
#include "faixbox_manager.h"

#ifdef SERVER
#include "fcgi_stdio.h"
#define logstream FCGI_stdout
#else
#define FCGI_stdout stdout
#define FCGI_stderr stderr
#define logstream stderr
#endif //SERVER


cachemodellist_param_t * gene_cachemodellist()
{
  cachemodellist_param_t *cachemodellist;

  cachemodellist = (cachemodellist_param_t *)malloc( sizeof(cachemodellist_param_t));
  
  cachemodellist->first = NULL;
  cachemodellist->last  = NULL;

  return cachemodellist;
}

cachemodel_param_t * gene_cachemodel( cachemodellist_param_t *cachemodellist, target_param_t *target)
{
  cachemodel_param_t *cachemodel;
  faixbox_param_t *tilepart;
  faixbox_param_t *precpacket;
  size_t numOfelem;
  Byte8_t numOftiles;
  int i;

  cachemodel = (cachemodel_param_t *)malloc( sizeof(cachemodel_param_t));

  refer_target( target, &cachemodel->target);
  cachemodel->mhead_model = false;
  
  tilepart = target->codeidx->tilepart;
  numOftiles = get_m( tilepart);
  numOfelem = get_nmax( tilepart)*numOftiles;
  cachemodel->tp_model = (bool *)calloc( 1, numOfelem*sizeof(bool));
  cachemodel->th_model = (bool *)calloc( 1, numOftiles*sizeof(bool));
  cachemodel->pp_model = (bool **)malloc( target->codeidx->SIZ.Csiz*sizeof(bool *));
  for( i=0; i<target->codeidx->SIZ.Csiz; i++){
    precpacket = target->codeidx->precpacket[i];
    cachemodel->pp_model[i] = (bool *)calloc( 1, get_nmax(precpacket)*get_m(precpacket)*sizeof(bool));
  }
  cachemodel->next = NULL;
  
  if( cachemodellist){
    if( cachemodellist->first) // there are one or more entries
      cachemodellist->last->next = cachemodel;
    else                   // first entry
      cachemodellist->first = cachemodel;
    cachemodellist->last = cachemodel;
  }

#ifndef SERVER
  fprintf( logstream, "local log: cachemodel generated\n");
#endif

  return cachemodel; 
}

void print_cachemodel( cachemodel_param_t cachemodel)
{
  target_param_t *target;
  Byte8_t TPnum; // num of tile parts in each tile
  Byte8_t Pmax; // max num of packets per tile
  int i, j, k, n;

  target = cachemodel.target;
  
  fprintf( logstream, "target: %s\n", target->filename);
  fprintf( logstream, "\t main header model: %d\n", cachemodel.mhead_model);

  fprintf( logstream, "\t tile part model:\n");
  TPnum = get_nmax( target->codeidx->tilepart);

  for( i=0, n=0; i<target->codeidx->SIZ.YTnum; i++){
    for( j=0; j<target->codeidx->SIZ.XTnum; j++){
      for( k=0; k<TPnum; k++)
	fprintf( logstream, "%d", cachemodel.tp_model[n++]);
      fprintf( logstream, " ");
    }
    fprintf( logstream, "\n");
  }

  fprintf( logstream, "\t tile header and precinct packet model:\n");
  for( i=0; i<target->codeidx->SIZ.XTnum*target->codeidx->SIZ.YTnum; i++){
    fprintf( logstream, "\t  tile.%d  %d\n", i, cachemodel.th_model[i]);
    for( j=0; j<target->codeidx->SIZ.Csiz; j++){
      fprintf( logstream, "\t   compo.%d: ", j);
      Pmax = get_nmax( target->codeidx->precpacket[j]);
      for( k=0; k<Pmax; k++)
	fprintf( logstream, "%d", cachemodel.pp_model[j][i*Pmax+k]);
      fprintf( logstream, "\n");
    }
  }
}

cachemodel_param_t * search_cachemodel( target_param_t *target, cachemodellist_param_t *cachemodellist)
{
  cachemodel_param_t *foundcachemodel;

  foundcachemodel = cachemodellist->first;
  
  while( foundcachemodel != NULL){
    
    if( foundcachemodel->target == target)
      return foundcachemodel;
      
    foundcachemodel = foundcachemodel->next;
  }
  return NULL;
}

void delete_cachemodellist( cachemodellist_param_t **cachemodellist)
{  
  cachemodel_param_t *cachemodelPtr, *cachemodelNext;

  cachemodelPtr = (*cachemodellist)->first;
  while( cachemodelPtr != NULL){
    cachemodelNext=cachemodelPtr->next;
    delete_cachemodel( &cachemodelPtr);
    cachemodelPtr=cachemodelNext;
  }
  free(*cachemodellist);
}

void delete_cachemodel( cachemodel_param_t **cachemodel)
{
  int i;

  unrefer_target( (*cachemodel)->target);
  
  free( (*cachemodel)->tp_model);
  free( (*cachemodel)->th_model);
  
  if( (*cachemodel)->target->codeidx->SIZ.Csiz > 1)
    for( i=0; i<(*cachemodel)->target->codeidx->SIZ.Csiz; i++)
      free( (*cachemodel)->pp_model[i]);
  free( (*cachemodel)->pp_model);

#ifndef SERVER
  fprintf( logstream, "local log: cachemodel deleted\n");
#endif
  free( *cachemodel);
}