#include <xs.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <assert.H>
#include <sys/select.h>

#define ENDPOINT "tcp://127.0.0.1:5555"

int main()
{
  void *ctx = xs_init();
  void *s1 = xs_socket(ctx, XS_XREQ);
  void *s2 = xs_socket(ctx, XS_XREP);
  int rc;
  char buffer[20] = "Hello !";

  assert( xs_bind(s1, ENDPOINT) >= 0 );
  assert( xs_connect(s2, ENDPOINT) >= 0 );


  sleep(1);
  assert( xs_send(s1, buffer, strlen(buffer) + 1, 0) >= 0 );

  int fd;
  size_t fd_size = sizeof(fd);
  assert( xs_getsockopt(s2, XS_FD, &fd, &fd_size) >= 0 );


  fd_set rset;
  FD_ZERO(&rset);
  FD_SET(fd, &rset);

  assert( select(fd + 1, &rset, NULL, NULL, NULL) > 0 );
  printf("set ? %d\n", FD_ISSET(fd, &rset));

  xs_close(s1);
  xs_close(s2);
  xs_term(ctx);
  return 0;
}