* We need if's for returns... ==> watchdog

 * **********************************************************************************

*/

// Provides DISTREN_REQUEST* which is in reality, DISTREN_SEND(signal) in the minds of your average joe

#include "protocol.h"

#include "options.h" // Confuse, etc.

#include "slavefuncs.h" // Slave functions

#include <string.h>

#include <stdio.h>

int slavestatus = 0; // Ugh global vars

int main(int argc, char *argv[])

{

int jobnum;

char *jobname;

int framenum;

int counter;

/* Parses arguments, skips if there are no args */

for(counter=0; counter<argc; counter++){

	if(strcmp(argv[counter], "-h") == 0) {

		fprintf(stderr, "Usage: distrenslave [option] <username> <emailaddr>\nStarts a distren slave\n\t-h\tshow this help\n\t-c\tregisters a user with [username] and [emailaddr] \n");

		return 2;

	}

}

	if(argc>1

		&& (strcmp("-c", argv[1]) == 0))

	{

		char *username;

		char *email;

		if(argc != 4)

		{

			fprintf(stderr, "I need more arguments!\n%d is not enough!\n Invoke 'distrenslave -c <username> <emailaddr> to register. \n Already registered? Edit your distrenslave.conf file!\n'", argc - 1);

			return 234;

		}

		username = argv[2];

		email = argv[3];

		if(!strchr(email, '@'))

		{

			fprintf(stderr, "I want to see an '@' in your email address!\n%s may be good enough for you, but I need more!\n", email);

			return 235;

		}

		fprintf(stderr, "You registered, hopefully successfully. Invoke distrenslave with no args now.");

	}

/* End arg parser */

/* Option getter: Creates vars to grab stuff from conf, uses the options include to grab this data */

char *username;

char *key;

username = NULL;

key = NULL;

cfg_t * my_cfg;

cfg_opt_t myopts[] = {

		CFG_SIMPLE_STR("username", &username),

		CFG_SIMPLE_STR("key", &key),

		CFG_END()

		};

struct options_common *commonopts;

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

/* End option getter */

/* If there's no key or username in the conf, or if they're at the default (!key/!username) let the user know! */

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

	  fprintf(stderr, "\nYou didn't register!\nPlease register or edit your config. (see -h)\nIf this error persists, check distrenslave.conf to ensure all items are filled.\n", argv[0]);

	}

	else if(key != NULL && username != NULL || key != "!key" && username != "username" ){

		fprintf(stderr, "Your username is %s, and your key is %s.\n",username, key);

		loginuser(username); // Logs in user to the server

	}

	else{

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

	}

/* Somewhat pseudo Rendering code */

/*

	if('slave recieves "start frame#, job#"'){

		fprintf(stderr, "Got frame %d in job %d, preparing to render...",framenum,jobnum);

		get('http://distren.protofusion.org/srv/job%d.tgz', jobnum); // use curl

		exec('tar -xvf job%d.tgz /tmp/distren/job%d',jobnum,jobnum); // somehow

		exec_blender("GIVE ME SOME ARGS!"); // (check the args, we'll need to adjust for different output formats, include this in the blendjob struct later)

			while('blender is running'){

				slavestatus=1; // really quite pointless now, but why not. Could be nice for logging.

				tell_the_server(DISTREN_REQUEST_PROGRESS);

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

				delay(1000); // or not... this should be more event-driven, but should still give a heartbeat to the server