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Diffstat (limited to 'src/vppinfra/test_phash.c')
| -rw-r--r-- | src/vppinfra/test_phash.c | 151 |
1 files changed, 0 insertions, 151 deletions
diff --git a/src/vppinfra/test_phash.c b/src/vppinfra/test_phash.c deleted file mode 100644 index 47711c28dbc..00000000000 --- a/src/vppinfra/test_phash.c +++ /dev/null @@ -1,151 +0,0 @@ -/* - * 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/phash.h> -#include <vppinfra/format.h> -#include <vppinfra/random.h> - -static int verbose; -#define if_verbose(format,args...) \ - if (verbose) { clib_warning(format, ## args); } - -int -test_phash_main (unformat_input_t * input) -{ - phash_main_t _pm = { 0 }, *pm = &_pm; - int n_keys, random_keys; - u32 seed; - clib_error_t *error; - - random_keys = 1; - n_keys = 1000; - while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) - { - if (0 == unformat (input, "keys %d", &n_keys) - && 0 == unformat (input, "verbose %=", &verbose, 1) - && 0 == unformat (input, "random-keys %=", &random_keys, 1) - && 0 == unformat (input, "sequential-keys %=", &random_keys, 0) - && 0 == unformat (input, "seed %d", &pm->random_seed) - && 0 == unformat (input, "64-bit %|", &pm->flags, PHASH_FLAG_MIX64) - && 0 == unformat (input, "32-bit %|", &pm->flags, PHASH_FLAG_MIX32) - && 0 == unformat (input, "fast %|", &pm->flags, - PHASH_FLAG_FAST_MODE) - && 0 == unformat (input, "slow %|", &pm->flags, - PHASH_FLAG_SLOW_MODE) - && 0 == unformat (input, "minimal %|", &pm->flags, - PHASH_FLAG_MINIMAL) - && 0 == unformat (input, "non-minimal %|", &pm->flags, - PHASH_FLAG_NON_MINIMAL)) - clib_error ("unknown input `%U'", format_unformat_error, input); - } - - if (!pm->random_seed) - pm->random_seed = random_default_seed (); - - if_verbose - ("%d %d-bit keys, random seed %d, %s mode, looking for %sminimal hash", - n_keys, (pm->flags & PHASH_FLAG_MIX64) ? 64 : 32, pm->random_seed, - (pm->flags & PHASH_FLAG_FAST_MODE) ? "fast" : "slow", - (pm->flags & PHASH_FLAG_MINIMAL) ? "" : "non-"); - - seed = pm->random_seed; - - /* Initialize random keys. */ - { - phash_key_t *k; - - vec_resize (pm->keys, n_keys); - vec_foreach (k, pm->keys) - { - k->key = k - pm->keys; - if (random_keys) - { - if (pm->flags & PHASH_FLAG_MIX64) - k->key = random_u64 (&seed); - else - k->key = random_u32 (&seed); - } - } - } - - error = phash_find_perfect_hash (pm); - if (error) - { - clib_error_report (error); - return 1; - } - else - { - if_verbose ("(%d,%d) (a,b) bits, %d seeds tried, %d tree walks", - pm->a_bits, pm->b_bits, - pm->n_seed_trials, pm->n_perfect_calls); - - error = phash_validate (pm); - if (error) - { - clib_error_report (error); - return 1; - } - } - - return 0; -} - -#ifdef CLIB_UNIX -int -main (int argc, char *argv[]) -{ - unformat_input_t i; - int res; - - clib_mem_init (0, 64ULL << 20); - - verbose = (argc > 1); - unformat_init_command_line (&i, argv); - res = test_phash_main (&i); - unformat_free (&i); - return res; -} -#endif - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ |