#include <stdio.h>
#include <drmaa.h>

int main(int argc, char **argv) {
	char error[DRMAA_ERROR_STRING_BUFFER];
	int errnum = 0;
	drmaa_job_template_t *jt = NULL;

	errnum = drmaa_init(NULL, error, DRMAA_ERROR_STRING_BUFFER);

	if (errnum != DRMAA_ERRNO_SUCCESS) {
		fprintf(stderr, "Could not initialize the DRMAA library: %s\n", error);
		return 1;
	}
	
	errnum = drmaa_allocate_job_template(&jt, error, DRMAA_ERROR_STRING_BUFFER);

	if (errnum != DRMAA_ERRNO_SUCCESS) {
		 fprintf(stderr, "Could not create job template: %s\n", error);
	} else {
		errnum = drmaa_set_attribute(jt, DRMAA_REMOTE_COMMAND, "/bin/sleep", error, DRMAA_ERROR_STRING_BUFFER);

		if (errnum != DRMAA_ERRNO_SUCCESS) {
			fprintf(stderr, "Could not set attribute \"%s\": %s\n", DRMAA_REMOTE_COMMAND, error);
		} else {
			const char *args[2] = {"5", NULL};

			errnum = drmaa_set_vector_attribute(jt, DRMAA_V_ARGV, args, error, DRMAA_ERROR_STRING_BUFFER);
		}

		if (errnum != DRMAA_ERRNO_SUCCESS) {
			fprintf(stderr, "Could not set attribute \"%s\": %s\n", DRMAA_REMOTE_COMMAND, error);
		} else {
			char jobid[DRMAA_JOBNAME_BUFFER];

			errnum = drmaa_run_job(jobid, DRMAA_JOBNAME_BUFFER, jt, error, DRMAA_ERROR_STRING_BUFFER);

			if (errnum != DRMAA_ERRNO_SUCCESS) {
				fprintf(stderr, "Could not submit job: %s\n", error);
			}
			else {
				printf("Your job has been submitted with id %s\n", jobid);
			}
		} /* else */

		errnum = drmaa_delete_job_template(jt, error, DRMAA_ERROR_STRING_BUFFER);

		if (errnum != DRMAA_ERRNO_SUCCESS) {
			fprintf(stderr, "Could not delete job template: %s\n", error);
		}
	} /* else */

	errnum = drmaa_exit(error, DRMAA_ERROR_STRING_BUFFER);

	if (errnum != DRMAA_ERRNO_SUCCESS) {
		fprintf(stderr, "Could not shut down the DRMAA library: %s\n", error);
		return 1;
	}

	return 0;
}