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

#include "lxcstats.h"

unsigned int n = 0;

int
cb(void *ctx, const struct lxcst *container)
{
    if (ctx)
        errx(EXIT_FAILURE, "ctx must be NULL");

    if (!container)
        errx(EXIT_FAILURE, "container must not be NULL");

    ++n;

    return (0); /* continue */
}

int
main(int argc, char *argv[])
{
    lxcst_handle            *hdl;
    struct lxcst_globals    globals;

    hdl = lxcst_open();
    if (!hdl)
        err(EXIT_FAILURE, "lxcst_open failed");

    lxcst_span_containers(hdl, &cb, NULL);

    lxcst_close(hdl);

    printf("%s: spanned %d containers.\n", *argv, n);

    lxcst_globals_statistics(&globals);

    if (globals.running_containers != n)
        errx(EXIT_FAILURE, "running_containers != spanned containers");

    printf("%s: %d running containers, %d stopped containers.\n", *argv, globals.running_containers, globals.stopped_containers);

    return (EXIT_SUCCESS);
    (void)argc;
}