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authorFlorin Coras <fcoras@cisco.com>2020-01-08 23:30:15 +0000
committerJohn Lo <loj@cisco.com>2020-01-09 16:29:10 +0000
commita6696719cb9fcd8ab54a5007e91dac6aeffe4e70 (patch)
treefb4c0098641cf74f87316891f3682e1d4edc91f2 /extras/bash
parentbbff1439c06fd92a0be639867b835407f7183519 (diff)
tcp: fix persist assert
Type: fix Persist and retransmit can pop at the same time. Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: Ia9530645cc84c83a881a75d7b4627197dc50ed29
Diffstat (limited to 'extras/bash')
0 files changed, 0 insertions, 0 deletions
ref='#n129'>129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 
/*
 * Copyright (c) 2015 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.
 */
/*
  Copyright (c) 2005 Eliot Dresselhaus

  Permission is hereby granted, free of charge, to any person obtaining
  a copy of this software and associated documentation files (the
  "Software"), to deal in the Software without restriction, including
  without limitation the rights to use, copy, modify, merge, publish,
  distribute, sublicense, and/or sell copies of the Software, and to
  permit persons to whom the Software is furnished to do so, subject to
  the following conditions:

  The above copyright notice and this permission notice shall be
  included in all copies or substantial portions of the Software.

  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/

#include <vppinfra/format.h>
#include <vppinfra/hash.h>
#include <vppinfra/random.h>
#include <vppinfra/random_isaac.h>

static int verbose;
#define if_verbose(format,args...) \
  if (verbose) { clib_warning(format, ## args); }

int
test_isaac_main (unformat_input_t * input)
{
  uword n_iterations, seed;
  uword i, repeat_count;
  uword *hash = 0;
  uword print;
  isaac_t ctx;
  uword results[ISAAC_SIZE] = { 0 };
  uword n_results;

  n_iterations = 1000;
  seed = 0;
  print = 1 << 24;

  while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
    {
      if (0 == unformat (input, "iter %d", &n_iterations)
	  && 0 == unformat (input, "print %d", &print)
	  && 0 == unformat (input, "seed %d", &seed))
	clib_error ("unknown input `%U'", format_unformat_error, input);
    }

  if (!seed)
    seed = random_default_seed ();

  results[0] = seed;

  if (n_iterations == 0)
    n_iterations = ~0;

  if_verbose ("%d iterations, seed %d\n", n_iterations, seed);

  repeat_count = 0;
  isaac_init (&ctx, results);
  isaac (&ctx, results);
  n_results = 0;
  for (i = 0; i < n_iterations; i++)
    {
      uword r = results[n_results++];

      if (!hash)
	hash = hash_create (0, /* value bytes */ 0);

      if (hash_get (hash, r))
	goto repeat;

      hash_set1 (hash, r);

      if (n_results >= ARRAY_LEN (results))
	{
	  isaac (&ctx, results);
	  n_results = 0;
	}

      if (verbose && 0 == (i & (print - 1)))
	fformat (stderr, "0x%08x iterations %d repeats\n", i, repeat_count);

      if (hash_elts (hash) > 0x100000)
	hash_free (hash);

      continue;

    repeat:
      fformat (stderr, "repeat found at iteration  %d/%d\n", i, n_iterations);
      repeat_count++;
      continue;
    }

  return repeat_count > 0 ? 1 : 0;
}

#ifdef CLIB_UNIX
int
main (int argc, char *argv[])
{
  unformat_input_t i;
  int ret;

  clib_mem_init (0, 64ULL << 20);

  verbose = (argc > 1);
  unformat_init_command_line (&i, argv);
  ret = test_isaac_main (&i);
  unformat_free (&i);

  return ret;
}
#endif /* CLIB_UNIX */


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