src/vppinfra/test_pool_iterate.c

/*
  Copyright (c) 2011 Cisco and/or its affiliates.

  * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
*/

#include <vppinfra/mem.h>
#include <vppinfra/pool.h>

#ifdef __KERNEL__
#include <linux/unistd.h>
#else
#include <unistd.h>
#endif

int
main (int argc, char *argv[])
{
  int i;
  uword next;
  u32 last_len = 0;
  u32 *tp = 0;
  u32 *junk;

  clib_mem_init (0, 64ULL << 20);

  for (i = 0; i < 70; i++)
    {
      pool_get (tp, junk);
      if (vec_len (tp) > last_len)
	{
	  last_len = vec_len (tp);
	  fformat (stdout, "vec_len (tp) now %d\n", last_len);
	}
    }

  (void) junk;			/* compiler warning */

  pool_put_index (tp, 1);
  pool_put_index (tp, 65);

  for (i = 0; i < 70; i++)
    {
      int is_free;

      is_free = pool_is_free_index (tp, i);

      if (is_free == 0)
	{
	  if (i == 1 || i == 65)
	    clib_warning ("oops, free index %d reported busy", i);
	}
      else
	{
	  if (i != 1 && i != 65)
	    clib_warning ("oops, busy index %d reported free", i);
	}
    }

  fformat (stdout, "vec_len (tp) is %d\n", vec_len (tp));

  next = ~0;
  do
    {
      next = pool_next_index (tp, next);
      fformat (stdout, "next index %d\n", next);
    }
  while (next != ~0);

  /* *INDENT-OFF* */
  pool_foreach (junk, tp,
  ({
    int is_free;

    is_free = pool_is_free_index (tp, junk - tp);
      if (is_free == 0)
        {
          if (i == 1 || i == 65)
            clib_warning ("oops, free index %d reported busy", i);
        }
      else
        {
          if (i != 1 && i != 65)
            clib_warning ("oops, busy index %d reported free", i);
        }
  }));
  /* *INDENT-ON* */

  return 0;
}

/*
 * fd.io coding-style-patch-verification: ON
 *
 * Local Variables:
 * eval: (c-set-style "gnu")
 * End:
 */