http: use safe pool realloc - vpp - Vector Packet Processing

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author	Florin Coras <fcoras@cisco.com>	2022-04-05 16:35:39 -0700
committer	Dave Barach <openvpp@barachs.net>	2022-11-11 18:01:31 +0000
commit	6af9330c637d4e1379f17b0a4f325c4d82aa9b6c (patch)
tree	784d2b8d22b034595306448e82f11fd5bc20909e
parent	ec315bf7b4e622b6a6cd059ac7ca7f5495e3c11b (diff)

http: use safe pool realloc

Type: improvement Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I572017433a1ba0f8576522f02138928e303e10ab

Diffstat

-rw-r--r--

src/plugins/http/http.c

1 files changed, 2 insertions, 1 deletions

/* * Copyright (c) 2017 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. */ #undef BIHASH_TYPE #undef BIHASH_KVP_PER_PAGE #define BIHASH_TYPE _vec8_8 #define BIHASH_KVP_PER_PAGE 4 #ifndef __included_bihash_vec8_8_h__ #define __included_bihash_vec8_8_h__ #include <vppinfra/heap.h> #include <vppinfra/format.h> #include <vppinfra/pool.h> #include <vppinfra/xxhash.h> #include <vppinfra/crc32.h> /** 8 octet key, 8 octet key value pair */ typedef struct { u64 key; /**< the key */ u64 value; /**< the value */ } clib_bihash_kv_vec8_8_t; /** Decide if a clib_bihash_kv_vec8_8_t instance is free @param v- pointer to the (key,value) pair */ static inline int clib_bihash_is_free_vec8_8 (clib_bihash_kv_vec8_8_t * v) { if (v->key == ~0ULL && v->value == ~0ULL) return 1; return 0; } /** Hash a clib_bihash_kv_vec8_8_t instance @param v - pointer to the (key,value) pair, hash the key (only) */ static inline u64 clib_bihash_hash_vec8_8 (clib_bihash_kv_vec8_8_t * v) { u8 *keyp = (u8 *) (v->key); /* Note: to torture-test linear scan, make this fn return a constant */ #ifdef clib_crc32c_uses_intrinsics return clib_crc32c (keyp, vec_len (keyp)); #else { int i, j; u64 sum = 0; for (i = 0, j = 0; i < vec_len (keyp); i++) { sum ^= keyp[i] << (j * 8); j++; if (j == 4) j = 0; } return clib_xxhash (sum); } #endif } /** Format a clib_bihash_kv_vec8_8_t instance @param s - u8 * vector under construction @param args (vararg) - the (key,value) pair to format @return s - the u8 * vector under construction */ static inline u8 * format_bihash_kvp_vec8_8 (u8 * s, va_list * args) { clib_bihash_kv_vec8_8_t *v = va_arg (*args, clib_bihash_kv_vec8_8_t *); s = format (s, "key %U value %llu", format_hex_bytes, v->key, vec_len ((u8 *) (v->key)), v->value); return s; } /** Compare two clib_bihash_kv_vec8_8_t instances @param a - first key @param b - second key */ static inline int clib_bihash_key_compare_vec8_8 (u64 a_arg, u64 b_arg) { u8 *a = (u8 *) a_arg; u8 *b = (u8 *) b_arg; if (a_arg == ~0ULL || b_arg == ~0ULL) return 0; if (vec_len (a) != vec_len (b)) return 0; return memcmp (a, b, vec_len (a)) == 0; } #undef __included_bihash_template_h__ #include <vppinfra/bihash_template.h> #endif /* __included_bihash_vec8_8_h__ */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */


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