}

}

else{

  fprintf(stderr,"Something is terribly wrong!");

}

/* Code-filled Variables  */

int jobnum;          // The job number that we're currently working

int framenum;        // @TODO: Remotio should fill this

int gotframe = 0;        // set this to 1 after data for a job is received from the server

int busy = 0;        // Client business 1=busy 0=idle

char *urltoTar;      // Full URL to the server-side location of job#.tgz

char *pathtoTar;     // Full path to the location of the job#.tgz

char *urltoOutput;   // Full URL where output is posted

char *pathtoJobfile; // Full path to the job's main file

char *pathtoXml;     // Full path to the job's xml file

char *pathtoOutput;  // Full path to the output (rendered) file

char *outputExt;     // Output Extension (e.g., JPG)

struct distrenjob *myjob; // Structure to hold data gathered from the XML file

/* If the server says that every frame for jobnum is finished */

if( 1 == 0)

  {

    delete_jobdata(jobnum, datadir);

  }

// If the slave is getting job info...

if(gotframe ==1)

{

  /* @TODO: Add remotio hooks */

  // jobnum = remoteio_read(jobnum); // Set jobnum from remoteio (we could use info from struct, but we need this info to download the xmlfile)

  jobnum = 0;

  //framenum = remoteio_read(jobnum); // Set framenum from remoteio

  framenum = 0;

  char *tarcmd;

  char *outdir;

  char *jobdatapath;

  fprintf(stderr, "Received %d in job %d, preparing to render...\n",framenum,jobnum);

  /**

  mkdir("/tmp/distren", 0750); /* @TODO: Make this less *nix-specific */

  mkdir(outdir, 0750);

  _distren_asprintf(&tarcmd, "tar -xvf \"%s\" -C \"%s\"", pathtoTar, outdir); /* @TODO: Make this portable. Libtar or something? */

  system(tarcmd);

  free(tarcmd);

  // Parses a job's XML file, puts data in the myjob struct

  if(xml2distrenjob(&myjob, pathtoXml) == 0){

    fprintf(stderr,"Well, the XML craziness may have worked. Maybe. \n");

    distrenjob_free(&myjob); // Frees things up if it was successful. xml2distrenjob() really (usually) only fails if malloc'ing inside it fails

  }

  else{

    fprintf(stderr,"I think the XML craziness may have failed, so I'll terminate just for fun.\n");

    return 1;

  }

  /* Variable-fillers which require XML */

  outputExt = myjob->output_format; /* @TODO: FIXME! */

  _distren_asprintf(&pathtoOutput, "%s/job%d/output/job%d-frame%d.%s", datadir, jobnum, jobnum, framenum, outputExt ); // Prepares the path to the jobfile

  /** Series of IF's for jobtype based on xml content */

  if(1==1){

  }

  // When blender is finished, run this...

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

    curlpost(pathtoOutput, urltoOutput); // uploads (HTML POST) the output at outputpath to the server at outputurl

    tell_the_server(DISTREN_REQUEST_DONEFRAME); // Tells the server that it's finished rendering this frame

    busy=0;

    // Slave now becomes idle, doesn't need to tell the server anything, ssh handles this.

  }

  return 0;

}

      {

          buff_ptr = buffer;

          while ((find_ptr = strstr(buff_ptr,text2find)))

          {

          while(buff_ptr < find_ptr)

          	fputc((int)*buff_ptr++,fp2);

          fputs(text2repl,fp2);

          buff_ptr += find_len;

          }

          fputs(buff_ptr,fp2);

      }

    rename(fileRepl, fileOrig);

  }

  fclose(fp2);

  fclose(fp1);

  fprintf(stderr,"Wrote conf file...\n");

return 1; // Success

}

/* Executors */

/** Executor function for Blender operations */

{

  int ret;

  char *frame_str;

  /* start execio code */

  char *command = "blender"; // @TODO: append .exe if win32?

  char *cmd[] = { command, "-b", "-o", output, input, "-f", frame_str, (char *)NULL };

  char buf[10];

  struct execio *testrem;

  size_t readlen;

  _distren_asprintf(&frame_str, "%i", frame);

  ret = execio_open(&testrem, command, cmd); // This path will be absolute for testing, @TODO: should be relative to install on production

  buf[9] = '\0';

  while(!execio_read(testrem, buf, 9, &readlen))

  	    {

  	      if(readlen > 9) {

  		fprintf(stderr, "Something is terribly wrong!\n");

  	      }

  	      buf[readlen] = '\0';

  	      fprintf(stderr, "read \"%s\"\n", buf);

  	    }

  	execio_close(testrem);

  /* end execio code */

  	if(ret == 1){

  		fprintf(stderr,"Error starting Blender. Check your install.\n");

  	}

  	else{

  		fprintf(stderr,"Blender at least started nicely, we don't know if it rendered anything though.\n");

  	}

}

void xmlinit()

{

  xmlInitParser();

  xmlXPathInit();

}

void xmlcleanup()

{

  xmlCleanupParser();

}

  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_SLAVEFUNCS_H

#define _DISTREN_SLAVEFUNCS_H

#include "distrenjob.h"

#include <libxml/xpath.h>

#include <stdio.h>

xmlNodePtr xml_quickxpath(xmlXPathContextPtr xpathctxt, xmlChar *path);

int software_updatecheck();

void tell_the_server(int stuff);

int delete_jobdata(int jobnum, char *datadir);

size_t curl_writetodisk(void *ptr, size_t size, size_t nmemb, FILE *stream);

int curlget(char *url, char *out);

int curlpost(char *filename, char *url);

int ssh_keygen();

int register_user(char *username, char *email);

int login_user(char *username);

int conf_replace(char *username);

void xmlinit();

void xmlcleanup();

#endif