{

           fprintf(stderr, "-%c: invalid option specified\n", optopt);

           return 1;

         }

       else if(curopt == 'h')

         {

           fprintf(stderr, "Usage: distrenslave [option] \nStarts a distren slave\n\t-u\tset username (run after fresh install)\n\t-h\tshow this help\n");

           return 2;

         }

       else if(curopt == 'u')

         username = strdup(optarg);

         fprintf(stderr, "Putting username \"%s\" in distrenslave.conf\n", username);

         conf_replace("distrenslave.conf", "!username", username);

         fprintf(stderr, "Please invoke distrenslave with no arguments to run with the username you just set\n");

         return 0;

     }

  /* Get conf data */

  options_init(argc, argv, &my_cfg, myopts, "slave", &commonopts);

  /* Notifies the user if there no username in .conf */

  if(username == NULL || strcmp(username, "!username") == 0 )

    fprintf(stderr, "\nPlease ensure that your username is present in distrenslave.conf\n");

    if( username != NULL || strcmp(username, "!username") != 0 )

      {

	// Log in the user

	if(login_user(username) == 1){

	  fprintf(stderr, "You should now be logged into distren.\n");

	}

	else

	  {

	    fprintf(stderr, "Login failed, please check your username. If you have not registered, please do so on the DistRen website.\n");

	    return 0;

	  }

      }

    else

      {

	fprintf(stderr, "Please check your distrenslave.conf, it appears to be incorrectly formatted.\n");

      }

  fprintf(stderr, "Loading config (fasten your seatbelts for a SEGFAULT :-D )...\n");

  fprintf(stderr, "Connecting to server...\n");

  tmp = remoteio_open(&comm_slave, commonopts->remoteio, server);

  if(tmp)

    {

      return 1;

    }

  int haveWork = 0;

  while(1)

    {

    // request work

    fprintf(stderr,"Requesting work...\n");

    sendSignal(comm_slave, DISTREN_REQUEST_GETWORK);

    /* If we got a frame */

    if(haveWork)

      {

        fprintf(stderr,"Got work from server...\n");

        /* @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 */

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

        fprintf(stderr, "Preparing to render frame %d in job %d\n", framenum, jobnum);

        // Variable Preparation

*/

#include "asprintf.h"

#include "distrenjob.h"

#include "execio.h"

#include "protocol.h"

#include "remoteio.h"

#include "slavefuncs.h"

#include <curl/curl.h>

#include <curl/easy.h>

#include <curl/types.h>

#include <stdio.h>

#include <string.h>

#include <unistd.h>

#include <stdlib.h>

#include <sys/stat.h>

#include <fcntl.h>

/**

   Sends the server a single request (see protocol.h)

*/

{

  size_t written;

  size_t towrite;

  char *ssignal;

  towrite = strlen(ssignal);

  while( towrite

	 && !remoteio_write(rem, ssignal, towrite, &written))

    {

      printf(stderr, "Writing...");

      towrite -= written;

    }

  if(written)

    return 0;

  /**

     if remoteio_write returned 1, the connection

     is probably dead or there was a real error

   */

  return 1;

}

/**

 utility function for XPath-ish stuff:

 */

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;

}

  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_SLAVEFUNCS_H

#define _DISTREN_SLAVEFUNCS_H

#include "distrenjob.h"

#include "remoteio.h"

#include <libxml/xpath.h>

#include <stdio.h>

struct msg;

xmlNodePtr xml_quickxpath(xmlXPathContextPtr xpathctxt, xmlChar *path);

int software_updatecheck();

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 *conffile, char *wordtoreplace, char *replacewith);

int exec_blender(char *input, char *output, int frame);

void xmlinit();

void xmlcleanup();

#endif