// 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_kern.o", argv[0]);

  	obj = bpf_object__open_file(filename, NULL);
  	if (libbpf_get_error(obj)) {
  		fprintf(stderr, "ERROR: opening BPF object file failed
  ");
  		return 0;
  	}
  
  	prog = bpf_object__find_program_by_name(obj, "bpf_prog1");
  	if (!prog) {
  		fprintf(stderr, "ERROR: finding a prog in obj file failed
  ");
  		goto cleanup;
  	}
  
  	/* load BPF program */
  	if (bpf_object__load(obj)) {
  		fprintf(stderr, "ERROR: loading BPF object file failed
  ");
  		goto cleanup;
  	}

  	link = bpf_program__attach(prog);
  	if (libbpf_get_error(link)) {
  		fprintf(stderr, "ERROR: bpf_program__attach failed
  ");
  		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;
  }