// SPDX-License-Identifier: GPL-2.0
#include <stdio.h>
#include <unistd.h>
#include <bpf/libbpf.h>
#include "trace_helpers.h"

int main(int ac, char **argv)
{
        struct bpf_link *link = NULL;
        struct bpf_program *prog;
        struct bpf_object *obj;
        char filename[256];
        FILE *f;

        snprintf(filename, sizeof(filename), "%s.bpf.o", argv[0]);
        obj = bpf_object__open_file(filename, NULL);
        if (libbpf_get_error(obj)) {
                fprintf(stderr, "ERROR: opening BPF object file failed\n");
                return 0;
        }

        prog = bpf_object__find_program_by_name(obj, "bpf_prog1");
        if (!prog) {
                fprintf(stderr, "ERROR: finding a prog in obj file failed\n");
                goto cleanup;
        }

        /* load BPF program */
        if (bpf_object__load(obj)) {
                fprintf(stderr, "ERROR: loading BPF object file failed\n");
                goto cleanup;
        }

        link = bpf_program__attach(prog);
        if (libbpf_get_error(link)) {
                fprintf(stderr, "ERROR: bpf_program__attach failed\n");
                link = NULL;
                goto cleanup;
        }

        f = popen("taskset 1 ping -c5 localhost", "r");
        (void) f;

        read_trace_pipe();

cleanup:
        bpf_link__destroy(link);
        bpf_object__close(obj);
        return 0;
}