return 1;

        }

        /* ignore return because directory may exist already */

        if(DEBUG)

          fprintf(stderr,"Creating output directory %s\n", pathtoOutdir);

        mkdir(pathtoOutdir, 0700);

        if(DEBUG)

          fprintf(stderr,"Marking frame started on server... ");

        _web_startframe(slavekey, password, jobnum, framenum);

        /* Execute blender */

        if(DEBUG){

          fprintf(stderr,"Executing blender on file %s\n", pathtoJobfile);

          fprintf(stderr,"Directing output to file %s\n", pathtoOutput);

        }

        if(exec_blender(pathtoJobfile, pathtoRenderOutput, outputExt, xres, yres, framenum))

          {

            fprintf(stderr,"Error running Blender. Check your installation and/or your PATH.\n");

            _web_resetframe(slavekey, password, jobnum, framenum);  // Unassign the frame on the server so other slaves can render it

            return 1;

          }

        free(pathtoJobfile);

        pathtoJobfile = NULL;

        struct stat buffer;

        int fstatus = stat(pathtoOutput, &buffer);

        if(fstatus == -1){

          fprintf(stderr,"*** %s doesn't exist! Scene may not have camera, or your blender installation is not working.\n", pathtoOutput);

          _web_resetframe(slavekey, password, jobnum, framenum);  // Unassign the frame on the server so other slaves can render it

          return 1;

        }

        else{

          /* Post-execution */

          if(DEBUG)

            fprintf(stderr, "Finished frame %d in job %d, uploading...\n", framenum, jobnum);

          else

            fprintf(stderr,"Finished.\n");

          uploadOutput(pathtoOutput, urltoOutput, jobnum, framenum, slavekey); // @TODO: Handle return value

          free(urltoOutput);

          free(pathtoOutput);

          urltoOutput = NULL;

          pathtoOutput = NULL;

          // Tell the server that rendering and upload are complete

          _web_finishframe(slavekey, password, jobnum, framenum);

        }

      }

    else{

      if(DEBUG)

        fprintf(stderr,"No work to do. Idling...\n");

      else

        fprintf(stderr,".");

      sleep(60); // Poll every 300 seconds @TODO: remove polling

    }

    // @TODO: If the server says that every frame for the last jobnum is finished, OR if the data is getting old

    if(1 == 0)

      {

        // Note: individual frames are already deleted after uploading,

        // except for ones that couldn't be uploaded

        delete_jobdata(jobnum, datadir);

      }

  }

  free(my_cfg);

  free(datadir);

  free(urltoTar);

  free(pathtoTar);

  free(pathtoTardir);

  free(pathtoJob);

  free(pathtoJobfile);

  free(urltoJobfile);

  free(urltoOutput);

  free(pathtoRenderOutput);

  free(pathtoOutdir);

  fprintf(stderr,"Goodbye!\n");

  return 0;

}

/*

  Copyright 2010 Nathan Phillip Brink, Ethan Zonca, Matthew Orlando

  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/>.

*/

#include "common/config.h"

#include "distrenjob.h"

#include "slavefuncs.h"

#include "common/asprintf.h"

#include "common/execio.h"

#include "common/protocol.h"

#include "common/remoteio.h"

#include <curl/curl.h>

#include <curl/easy.h>

#include <curl/types.h>

#include <archive.h>

#include <archive_entry.h>

#include <ctype.h>

#include <errno.h>

#include <stdio.h>

#include <string.h>

#include <unistd.h>

#include <stdlib.h>

#include <sys/stat.h>

#include <fcntl.h>

#include <time.h>

// Function debug

/*

void stringToUpper(char *string){

  while(*string != '\0') {

    *string = toupper((unsigned char)*string);

  }

}

*/

void stringToUpper(char *buffer){

    for(; *buffer; buffer ++)

      *buffer = toupper(*buffer);

}

/**

   Grabs the xml DOM node reached by an XPath.

   @param path an XPath that lead to DOM node

   @return the first node associated with the path or NULL if there is no match

 */

xmlNodePtr xml_quickxpath(xmlXPathContextPtr xpathctxt, xmlChar *path)

{

  xmlNodePtr toreturn;

  xmlXPathObjectPtr xmlxpathobjptr;

  xmlxpathobjptr = xmlXPathEval(path, xpathctxt);

  if(!xmlxpathobjptr

     || !xmlxpathobjptr->nodesetval->nodeNr)

    {

      fprintf(stderr, "XPath resolution failed for ``%s'' in ``%s'' (``%s'')\n", path, xpathctxt->doc->name, xpathctxt->doc->URL);

      return (xmlNodePtr)NULL;

    }

  toreturn = *(xmlxpathobjptr->nodesetval->nodeTab);

  xmlXPathFreeObject(xmlxpathobjptr);

  return toreturn;

}

/** Deletes job data from the disk. @TODO: add error checking! */

int delete_jobdata(int jobnum, char *datadir)

{

  char *jobpath;

  char *jobcont;

  _distren_asprintf(&jobpath, "%s/%d", datadir, jobnum);