24.1.3 - vaadin-core.git - Vaadin web components: https://github.com/vaadin/vaadin-core

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author	Vaadin Bot <vaadin-bot@users.noreply.github.com>	2023-07-12 07:09:48 +0000
committer	Vaadin Bot <vaadin-bot@users.noreply.github.com>	2023-07-12 07:09:48 +0000
commit	8a3c2259960ed83aef95d2d2fb654f942e738642 (patch)
tree	50965bb47febab44e448ae66182b13ec1bcb9f06
parent	efaacd9c98d4007ca213e452a252e482bdadbf7b (diff)
download	vaadin-core-8a3c2259960ed83aef95d2d2fb654f942e738642.tar.gz vaadin-core-8a3c2259960ed83aef95d2d2fb654f942e738642.zip

24.1.3v24.1.3

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package.json

1 files changed, 1 insertions, 1 deletions

/*- * Copyright 2016 Vsevolod Stakhov * * 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 "config.h" #include "rspamd.h" #include "shingles.h" #include "ottery.h" #include <math.h> static const char * algorithm_to_string(enum rspamd_shingle_alg alg) { const char *ret = "unknown"; switch (alg) { case RSPAMD_SHINGLES_OLD: ret = "siphash"; break; case RSPAMD_SHINGLES_XXHASH: ret = "xxhash"; break; case RSPAMD_SHINGLES_MUMHASH: ret = "mumhash"; break; case RSPAMD_SHINGLES_FAST: ret = "fasthash"; break; } return ret; } static void generate_random_string(char *begin, size_t len) { gsize i; for (i = 0; i < len; i++) { begin[i] = ottery_rand_range('z' - 'a') + 'a'; } } static GArray * generate_fuzzy_words(gsize cnt, gsize max_len) { GArray *res; gsize i, wlen; rspamd_ftok_t w; char *t; res = g_array_sized_new(FALSE, FALSE, sizeof(rspamd_ftok_t), cnt); for (i = 0; i < cnt; i++) { wlen = ottery_rand_range(max_len) + 1; /* wlen = max_len; */ w.len = wlen; t = g_malloc(wlen); generate_random_string(t, wlen); w.begin = t; g_array_append_val(res, w); } return res; } static void permute_vector(GArray *in, double prob) { gsize i, total = 0; rspamd_ftok_t *w; for (i = 0; i < in->len; i++) { if (ottery_rand_unsigned() <= G_MAXUINT * prob) { w = &g_array_index(in, rspamd_ftok_t, i); generate_random_string((char *) w->begin, w->len); total++; } } msg_debug("generated %z permutations of %ud words", total, in->len); } static void free_fuzzy_words(GArray *ar) { gsize i; rspamd_ftok_t *w; for (i = 0; i < ar->len; i++) { w = &g_array_index(ar, rspamd_ftok_t, i); g_free((gpointer) w->begin); } } static void test_case(gsize cnt, gsize max_len, double perm_factor, enum rspamd_shingle_alg alg) { GArray *input; struct rspamd_shingle *sgl, *sgl_permuted; double res; unsigned char key[16]; double ts1, ts2; ottery_rand_bytes(key, sizeof(key)); input = generate_fuzzy_words(cnt, max_len); ts1 = rspamd_get_virtual_ticks(); sgl = rspamd_shingles_from_text(input, key, NULL, rspamd_shingles_default_filter, NULL, alg); ts2 = rspamd_get_virtual_ticks(); permute_vector(input, perm_factor); sgl_permuted = rspamd_shingles_from_text(input, key, NULL, rspamd_shingles_default_filter, NULL, alg); res = rspamd_shingles_compare(sgl, sgl_permuted); msg_info("%s (%z words of %z max len, %.2f perm factor):" " percentage of common shingles: %.3f, generate time: %.4f sec", algorithm_to_string(alg), cnt, max_len, perm_factor, res, ts2 - ts1); //g_assert_cmpfloat (fabs ((1.0 - res) - sqrt (perm_factor)), <=, 0.25); free_fuzzy_words(input); g_free(sgl); g_free(sgl_permuted); } static const uint64_t expected_old[RSPAMD_SHINGLE_SIZE] = { 0x2a97e024235cedc5, 0x46238acbcc55e9e0, 0x2378ff151af075b3, 0xde1f29a95cad109, 0x5d3bbbdb5db5d19f, 0x4d75a0ec52af10a6, 0x215ecd6372e755b5, 0x7b52295758295350, 0x17387d1beddc7f62, 0x26264ca879ffcada, 0x49d4a65ec0ab9914, 0xa2763e6995350cf, 0x3f4570231449c13f, 0x3309f857a0e54ee5, 0x24e4c5b561b0fce3, 0x1f153e3b275bfd1b, 0x4d067dbc97c3fd78, 0x9ffa2d076fa4f8bc, 0x3d8907f84b9ffc6c, 0x1cfd664c5262d256, 0xcdd7e744b699c15, 0x5544a2bbe05124f7, 0x5a4029b5d6a06f7, 0xd5adfbdc756c0e4, 0xa504b23d9689a67e, 0x15d945f7007de115, 0xbf676c0522a2c51d, 0x1c8d8163ad4b0f93, 0xa2c4ba20799344d7, 0x27c6f13c02134388, 0xa1d443d31fd5a3, 0x99fbca9f8563080, }; static const uint64_t expected_xxhash[RSPAMD_SHINGLE_SIZE] = { 0x33b134be11a705a, 0x36e2ea657aa36903, 0x6547b57f7470ce9d, 0x8253eb6d2f8f158e, 0x1cc99e3cf22388f, 0x2396da27ea36ffe8, 0x1b457d208ad3d96c, 0x2d6ac733d7a2c107, 0x17849cbed75cc4d1, 0x4dd94e772330e804, 0x39f592fa32014ed4, 0xa2f6229ad356461, 0x6dc825879a057b37, 0x886b12cef4338b05, 0x8b23af68c186518a, 0x16932b40339aaf02, 0x412090c6bb0b719c, 0x4d4a88cbdf1935f3, 0x233bcbddb5f67a7, 0x474719442a33dcca, 0x2da7ec30563e622, 0x7ab90086960e1ad2, 0x3ea2b45582539f75, 0x108cd9287d95a6c5, 0x69ba7c67c115597, 0x10880860eb75e982, 0x16f3d90e6ab995a6, 0x5f24ea09379b9f5c, 0x3c2dc04088e8fe54, 0x340b8cf1c6f1227, 0x193bc348ed2e9ce7, 0x68454ef43da9c748, }; static const uint64_t expected_mumhash[RSPAMD_SHINGLE_SIZE] = { 0x38d35473b80a7fc3, 0x1300531adc2d16a1, 0x26883bc89f78f4bd, 0x57de365ef6d1a62, 0x773603185fcbb20a, 0x39c6cbd7ebbeaa88, 0x676c7445ad167e70, 0x432315d1ecc4c0b1, 0x1380b95756dbb078, 0x9ee12832fa53b90e, 0x72970be210f0dd0b, 0x62909bd520f5956, 0x66196965a45eb32a, 0x2466a9ca5436620e, 0x157b828b10e10f6e, 0x429bb673a523a7e5, 0x51a6ace94f320f88, 0x23f53a30bd7d7147, 0xbee557664d3bc34c, 0x65730c88cd212a9, 0x87e72c0cd05fd0e, 0x417a744669baeb3d, 0x78e26f7917829324, 0x439777dcfc25fdf4, 0x582eac6ff013f00b, 0x1e40aa90e367f4af, 0x301d14a28d6c23a2, 0x34140ecb21b6c69, 0x390a091c8b4c31b9, 0x2e35fecf9fff0ae7, 0x94322e1a5cf31f1b, 0x33cb9190905e049a, }; static const uint64_t expected_fasthash[RSPAMD_SHINGLE_SIZE] = { 0x3843a716f94828a6, 0x13fd5386dda3b28d, 0x71cb09de527c40a, 0x5d6f59ffd839c62, 0x7ce3633acd568476, 0x9014298cbd00167, 0x6708ec29eedb5350, 0x2882931ff2c5c410, 0x1839d8b947b12571, 0x58f7bc3829173302, 0x4dac8103da51abc4, 0x6c5cbcc6fb1de28, 0x31fefcef9bafb755, 0x6f2d1a0b1feca401, 0x3e71f3718e520b06, 0x42f6ba11164ab231, 0x21164d010bd76f4a, 0x4c597ccc7b60f620, 0x2cf1ca3383b77574, 0x54ff9c01660b8add, 0x2ca344758f40380d, 0x1b962321bd37d0f2, 0x9323bb99c32bc418, 0x375659d0eef2b8f2, 0x1dbd23a1030084b7, 0x83cb978dee06aa0a, 0x42c97be5b27a7763, 0x3b6d6b7270ed765, 0x125c12fdba584aed, 0x1c826397afe58763, 0x8bdbe2d43f3eda96, 0x954cda70edf6591f, }; void rspamd_shingles_test_func(void) { enum rspamd_shingle_alg alg = RSPAMD_SHINGLES_OLD; struct rspamd_shingle *sgl; unsigned char key[16]; GArray *input; rspamd_ftok_t tok; int i; memset(key, 0, sizeof(key)); input = g_array_sized_new(FALSE, FALSE, sizeof(rspamd_ftok_t), 5); for (i = 0; i < 5; i++) { char *b = g_alloca(8); memset(b, 0, 8); memcpy(b + 1, "test", 4); b[0] = 'a' + i; tok.begin = b; tok.len = 5 + ((i + 1) % 4); g_array_append_val(input, tok); } sgl = rspamd_shingles_from_text(input, key, NULL, rspamd_shingles_default_filter, NULL, RSPAMD_SHINGLES_OLD); for (i = 0; i < RSPAMD_SHINGLE_SIZE; i++) { g_assert(sgl->hashes[i] == expected_old[i]); } g_free(sgl); sgl = rspamd_shingles_from_text(input, key, NULL, rspamd_shingles_default_filter, NULL, RSPAMD_SHINGLES_XXHASH); for (i = 0; i < RSPAMD_SHINGLE_SIZE; i++) { g_assert(sgl->hashes[i] == expected_xxhash[i]); } g_free(sgl); sgl = rspamd_shingles_from_text(input, key, NULL, rspamd_shingles_default_filter, NULL, RSPAMD_SHINGLES_MUMHASH); for (i = 0; i < RSPAMD_SHINGLE_SIZE; i++) { g_assert(sgl->hashes[i] == expected_mumhash[i]); } g_free(sgl); sgl = rspamd_shingles_from_text(input, key, NULL, rspamd_shingles_default_filter, NULL, RSPAMD_SHINGLES_FAST); for (i = 0; i < RSPAMD_SHINGLE_SIZE; i++) { g_assert(sgl->hashes[i] == expected_fasthash[i]); } g_free(sgl); for (alg = RSPAMD_SHINGLES_OLD; alg <= RSPAMD_SHINGLES_FAST; alg++) { test_case(200, 10, 0.1, alg); test_case(500, 20, 0.01, alg); test_case(5000, 20, 0.01, alg); test_case(5000, 15, 0, alg); test_case(5000, 30, 1.0, alg); test_case(50000, 30, 0.02, alg); test_case(50000, 5, 0.02, alg); test_case(50000, 16, 0.02, alg); } }


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