1 /* 2 * ngtcp2 3 * 4 * Copyright (c) 2019 ngtcp2 contributors 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining 7 * a copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sublicense, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be 15 * included in all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 20 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 */ 25 #ifndef NGTCP2_ADDR_H 26 #define NGTCP2_ADDR_H 27 28 #ifdef HAVE_CONFIG_H 29 # include <config.h> 30 #endif /* HAVE_CONFIG_H */ 31 32 #include <ngtcp2/ngtcp2.h> 33 34 /* 35 * ngtcp2_addr_copy copies |src| to |dest|. This function assumes 36 * that dest->addr points to a buffer which have sufficient size to 37 * store the copy. 38 */ 39 void ngtcp2_addr_copy(ngtcp2_addr *dest, const ngtcp2_addr *src); 40 41 /* 42 * ngtcp2_addr_eq returns nonzero if |a| equals |b|. 43 */ 44 int ngtcp2_addr_eq(const ngtcp2_addr *a, const ngtcp2_addr *b); 45 46 /* NGTCP2_ADDR_COMPARE_FLAG_NONE indicates that no flag set. */ 47 #define NGTCP2_ADDR_COMPARE_FLAG_NONE 0x0u 48 /* NGTCP2_ADDR_COMPARE_FLAG_ADDR indicates IP addresses do not 49 match. */ 50 #define NGTCP2_ADDR_COMPARE_FLAG_ADDR 0x1u 51 /* NGTCP2_ADDR_COMPARE_FLAG_PORT indicates ports do not match. */ 52 #define NGTCP2_ADDR_COMPARE_FLAG_PORT 0x2u 53 /* NGTCP2_ADDR_COMPARE_FLAG_FAMILY indicates address families do not 54 match. */ 55 #define NGTCP2_ADDR_COMPARE_FLAG_FAMILY 0x4u 56 57 /* 58 * ngtcp2_addr_compare compares address and port between |a| and |b|, 59 * and returns zero or more of NGTCP2_ADDR_COMPARE_FLAG_*. 60 */ 61 uint32_t ngtcp2_addr_compare(const ngtcp2_addr *a, const ngtcp2_addr *b); 62 63 /* 64 * ngtcp2_addr_empty returns nonzero if |addr| has zero length 65 * address. 66 */ 67 int ngtcp2_addr_empty(const ngtcp2_addr *addr); 68 69 #endif /* NGTCP2_ADDR_H */ 70