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LordOfWar

-added assigned_frames variable to blendjob structure

-adjusted frame_num_struct_builder by adding 1 to the total amount. (line 270)
reason: by example
sframe = 1
eframe = 2

eframe - sframe = 1.. when in reality 2 frames should be rendered... so it is now
int total = (sframe - eframe) +1;

refined frame_finder() function to use the structure for total_frames data... and optimized its frame scanning so that it scanned from (for example) 0 to 249 is 250 because the computer counts 0 as one of its numbers.

the statement in status_report_generator() function that adjust the hcfjob global variable to be able to increase the hcfjob by more than 1 per status_report_generator() function itteration by changing it to a while statement from an if statement.

moved the declaration of the num1 and num2 variables till after hcfjob was checked, because the value of num1 is based off the hcfjob value.

Added ability for status_report_generator() function to calculate the percent_done of the job and count the number of frames assigned, but not yet completed.

/*
  Copyright 2008 Nathan Phillip Brink, Ethan Zonca

  This file is a part of DistRen.

  DistRen is free software: you can redistribute it and/or modify
  it under the terms of the GNU Affero General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.

  DistRen 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 Affero General Public License for more details.

  You should have received a copy of the GNU Affero General Public License
  along with DistRen.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef _DISTREN_EXECIO_H
#define _DISTREN_EXECIO_H

/*
  This file tries to abstract away getting a socket/fd that talks to a spawned program
 */

#include <unistd.h>

enum execio_state
  {
    EXECIO_STATE_ERROR,
    EXECIO_STATE_EOF
  };


struct execio
{
  int pipe_write;
  int pipe_read;

  enum execio_state state;

  pid_t child;
};

/*
  runs progname with the arguments in argv. argv must be null terminated!!!!!!!!!

  returns nonzero return on error
*/
int execio_open(struct execio **rem, const char *progname, char *const argv[]);

/*
   doesn't block,
   returns 0 on success, 1 on failure
*/
int execio_read(struct execio *eio, void *buf, size_t len, size_t *bytesread);
int execio_write(struct execio *eio, void *buf, size_t len, size_t *bytesread);

/*
  use this function to determine if the using program should keep trying to read/write
 */
enum execio_state execio_state(struct execio *eio);

/* 
   nonzero return on error 
*/
int execio_close(struct execio *eio);

#endif