dallocate.c

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/* ----------------------------------------------------------------------------- 
 * dallocate.c
 *
 * iPDC - Phasor Data Concentrator
 *
 * Copyright (C) 2011 Nitesh Pandit
 * Copyright (C) 2011 Kedar V. Khandeparkar
 *
 * 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.
 *
 * Authors: 
 *              Kedar V. Khandeparkar <kedar.khandeparkar@gmail.com>                    
 *              Nitesh Pandit <panditnitesh@gmail.com>                          
 *
 * ----------------------------------------------------------------------------- */


#include  <stdio.h>
#include  <string.h>
#include  <stdlib.h> 
#include  "parser.h"
#include  "dallocate.h" 
#include  "global.h"

/* ------------------------------------------------------------------------------------ */
/*                           Functions defined in dallocate.c                           */
/* ------------------------------------------------------------------------------------ */

/*       1. void free_cfgframe_object(struct cfg_frame *cfg)                            */
/*       2. void free_dataframe_object(struct data_frame *df)                           */
/*       3. void free_2darray(char** array, int x)                                      */

/* ------------------------------------------------------------------------------------ */


/* -------------------------------------------------------------*/
/* FUNCTION  free_cfgframe_object():                            */
/* It frees memory allocated to cfg objects.                    */
/* ------------------------------------------------------------ */

void free_cfgframe_object(struct cfg_frame *cfg) { 

        int j = 0;
        unsigned int phn,ann,dgn,num_pmu;
        struct dgnames *t_dgnames,*r_dgnames; 
        fprintf(fp_log,"Inside free_cfgframe_object()\n");

        num_pmu = to_intconvertor(cfg->num_pmu);

        while(j<num_pmu) {                                                      


                free(cfg->pmu[j]->stn);
                free(cfg->pmu[j]->idcode);
                free(cfg->pmu[j]->data_format);
                free(cfg->pmu[j]->fmt);

                // Extract PHNMR, DGNMR, ANNMR

                phn = to_intconvertor(cfg->pmu[j]->phnmr);
                ann = to_intconvertor(cfg->pmu[j]->annmr);
                dgn = to_intconvertor(cfg->pmu[j]->dgnmr);
                
                if(phn != 0)
                free_2darray(cfg->pmu[j]->cnext->phnames,phn);
                if(ann != 0)
                free_2darray(cfg->pmu[j]->cnext->angnames,ann);

                if(dgn != 0) {
                        t_dgnames = cfg->pmu[j]->cnext->first;

                        while(t_dgnames != NULL) {

                                r_dgnames = t_dgnames->dg_next;
                                free_2darray(t_dgnames->dgn,16);
                                t_dgnames = r_dgnames;
                                        
                        }
                }
                if(phn != 0)
                free_2darray(cfg->pmu[j]->phunit,phn);
                if(ann != 0)
                free_2darray(cfg->pmu[j]->anunit,ann);
                if(dgn != 0)
                free_2darray(cfg->pmu[j]->dgunit,dgn);

                free(cfg->pmu[j]->phnmr);
                free(cfg->pmu[j]->annmr);
                free(cfg->pmu[j]->dgnmr);
                free(cfg->pmu[j]->fnom);
                free(cfg->pmu[j]->cfg_cnt);

                j++;
        } // End of While 

        free(cfg->framesize);
        free(cfg->idcode);
        free(cfg->soc);
        free(cfg->fracsec);
        free(cfg->time_base);
        free(cfg->data_rate);
        free(cfg->num_pmu);
        free(cfg);                      

}

/* -------------------------------------------------------------*/
/* FUNCTION  free_dataframe_object():                           */
/* It frees memory allocated to data objects.                   */
/* -------------------------------------------------------------*/

void free_dataframe_object(struct data_frame *df) { 

        int j = 0;
        fprintf(fp_log,"Inside free_dataframe_object()\n");

        // Free the blocks
        while(j < df->num_pmu) {                                                        
        
                if(df->dpmu[j]->stat[1] == 0x0F) {
        
                        free(df->dpmu[j]->stat);                                                
                        j++;
                        continue;
                }
        
                free(df->dpmu[j]->stat);                
                free(df->dpmu[j]->freq);
                free(df->dpmu[j]->dfreq);

                if(df->dpmu[j]->phnmr != 0)
                        free_2darray(df->dpmu[j]->phasors,df->dpmu[j]->phnmr);
                if(df->dpmu[j]->annmr != 0)
                                free_2darray(df->dpmu[j]->analog,df->dpmu[j]->annmr);
                if(df->dpmu[j]->dgnmr != 0)
                        free_2darray(df->dpmu[j]->digital,df->dpmu[j]->dgnmr);
                j++;
        } // End of While
                
        free(df->framesize);
        free(df->idcode);
        free(df->soc);
        free(df->fracsec);
        free(df);               
}

/* -------------------------------------------------------------*/
/* FUNCTION  free_2darray:                                      */
/* It frees memory allocated to 2D Arrays.                      */
/* -------------------------------------------------------------*/

void free_2darray(unsigned char** array, int n){ 
  
        int i;
        for(i = 0; i < n; i++) 
                free(array[i]);
        free(array);
} 

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