/*
 * Compile with
 * gcc -o simple simple.c -ltuberia -lpthread
 * or
 * gcc -o simple simple.c `pkg-config --cflags --libs --static tuberia`
 */

#include <stdio.h>
#include <stdlib.h>
#include <tuberia.h>

void *stage_one(void *element, void *opaque)
{
	(void)opaque;
	int *i = element;
	*i += 5;
	return i;
}

void *stage_two(void *element, void *opaque)
{
	(void)opaque;
	int *i = element;
	*i *= 10;
	return i;
}

void sink(void *element, void *opaque)
{
	(void)opaque;
	int *i = element;
	printf("sink: %d\n", *i);
	free(i);
}

int main(void)
{
	tube *ctx;
	tube_source *source;
	int *element, n;

	source = tube_source_alloc(2, NULL, NULL, free);
	tube_stage_append(source, tube_stage_alloc(2, stage_one, NULL, free));
	tube_stage_append(source, tube_stage_alloc(2, stage_two, NULL, free));
	ctx = tube_alloc(source, sink, NULL);
	tube_source_and_stages_free(&source);
	tube_start(ctx);
	while (scanf("%d", &n) == 1) {
		element = malloc(sizeof(*element));
		*element = n;
		tube_inject(ctx, 1000, element);
	}
	tube_free(&ctx);

	return 0;
}