diff options
Diffstat (limited to 'lib/includes/hicn/util/ip_address.h')
| -rw-r--r-- | lib/includes/hicn/util/ip_address.h | 146 |
1 files changed, 82 insertions, 64 deletions
diff --git a/lib/includes/hicn/util/ip_address.h b/lib/includes/hicn/util/ip_address.h index 89a4c11e0..55d5f5fc3 100644 --- a/lib/includes/hicn/util/ip_address.h +++ b/lib/includes/hicn/util/ip_address.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2021 Cisco and/or its affiliates. + * Copyright (c) 2021-2022 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: @@ -32,10 +32,11 @@ #endif #include <errno.h> +#include <assert.h> #ifndef _WIN32 #include <netinet/in.h> // struct sockadd -#include <arpa/inet.h> -#include <netdb.h> // struct addrinfo +#include <arpa/inet.h> // inet_ntop +#include <netdb.h> // struct addrinfo #endif #include <stdbool.h> #include <stdlib.h> @@ -61,11 +62,10 @@ #endif //#define INET_MAX_ADDRSTRLEN INET6_ADDRSTRLEN -#define IP_MAX_ADDR_LEN IPV6_ADDR_LEN +#define IP_ADDRESS_MAX_LEN IPV6_ADDR_LEN #define DUMMY_PORT 1234 -#ifndef HICN_VPP_PLUGIN typedef union { struct in_addr as_inaddr; @@ -73,9 +73,11 @@ typedef union u8 as_u8[4]; u16 as_u16[2]; u32 as_u32; -} ip4_address_t; +} ipv4_address_t; -typedef union +static_assert (sizeof (ipv4_address_t) == 4, ""); + +typedef union __attribute__ ((__packed__)) { struct in6_addr as_in6addr; u8 buffer[16]; @@ -83,16 +85,24 @@ typedef union u16 as_u16[8]; u32 as_u32[4]; u64 as_u64[2]; -} ip6_address_t; +} ipv6_address_t; + +static_assert (sizeof (ipv6_address_t) == 16, ""); + +#ifdef HICN_VPP_PLUGIN +#include <vnet/ip/ip46_address.h> +static_assert (sizeof (ipv4_address_t) == sizeof (ip4_address_t), ""); +static_assert (sizeof (ipv6_address_t) == sizeof (ip6_address_t), ""); +#endif typedef union { struct { u32 pad[3]; - ip4_address_t v4; + ipv4_address_t v4; }; - ip6_address_t v6; + ipv6_address_t v6; #if 0 /* removed as prone to error due to IPv4 padding */ u8 buffer[IP_MAX_ADDR_LEN]; u8 as_u8[IP_MAX_ADDR_LEN]; @@ -100,28 +110,14 @@ typedef union u32 as_u32[IP_MAX_ADDR_LEN >> 2]; u64 as_u64[IP_MAX_ADDR_LEN >> 3]; #endif -} ip_address_t; - -#else - -#include <vnet/ip/ip4_packet.h> // ip4_address_t -#include <vnet/ip/ip6_packet.h> // ip6_address_t - -#if __GNUC__ >= 9 -#pragma GCC diagnostic ignored "-Waddress-of-packed-member" -#endif - -#include <vnet/ip/ip46_address.h> - -#if __GNUC__ >= 9 -#pragma GCC diagnostic pop -#endif - -typedef ip46_address_t ip_address_t; - +#ifdef HICN_VPP_PLUGIN + ip46_address_t as_ip46; #endif /* HICN_VPP_PLUGIN */ +} hicn_ip_address_t; + +static_assert (sizeof (hicn_ip_address_t) == 16, ""); -#define ip_address_is_v4(ip) \ +#define hicn_ip_address_is_v4(ip) \ (((ip)->pad[0] | (ip)->pad[1] | (ip)->pad[2]) == 0) #define MAXSZ_IP4_ADDRESS_ INET_ADDRSTRLEN - 1 @@ -131,24 +127,26 @@ typedef ip46_address_t ip_address_t; #define MAXSZ_IP6_ADDRESS MAXSZ_IP6_ADDRESS_ + 1 #define MAXSZ_IP_ADDRESS MAXSZ_IP_ADDRESS_ + 1 +#define IP_ADDRESS_V4_OFFSET_LEN 12 + typedef struct { int family; - ip_address_t address; + hicn_ip_address_t address; u8 len; -} ip_prefix_t; +} hicn_ip_prefix_t; #define MAXSZ_IP_PREFIX_ MAXSZ_IP_ADDRESS_ + 1 + 3 #define MAXSZ_IP_PREFIX MAXSZ_IP_PREFIX_ + 1 -extern const ip_address_t IPV4_LOOPBACK; -extern const ip_address_t IPV6_LOOPBACK; -extern const ip_address_t IPV4_ANY; -extern const ip_address_t IPV6_ANY; +extern const hicn_ip_address_t IPV4_LOOPBACK; +extern const hicn_ip_address_t IPV6_LOOPBACK; +extern const hicn_ip_address_t IPV4_ANY; +extern const hicn_ip_address_t IPV6_ANY; -extern const ip4_address_t IP4_ADDRESS_EMPTY; -extern const ip6_address_t IP6_ADDRESS_EMPTY; -extern const ip_address_t IP_ADDRESS_EMPTY; +extern const ipv4_address_t IP4_ADDRESS_EMPTY; +extern const ipv6_address_t IP6_ADDRESS_EMPTY; +extern const hicn_ip_address_t IP_ADDRESS_EMPTY; #define IP_ANY(family) (family == AF_INET) ? IPV4_ANY : IPV6_ANY @@ -161,32 +159,52 @@ extern const ip_address_t IP_ADDRESS_EMPTY; #define IS_VALID_FAMILY(x) ((x == AF_INET) || (x == AF_INET6)) /* IP address */ - -int ip_address_get_family (const char *ip_address); -int ip_address_len (int family); -const u8 *ip_address_get_buffer (const ip_address_t *ip_address, int family); -int ip_address_ntop (const ip_address_t *ip_address, char *dst, - const size_t len, int family); -int ip_address_pton (const char *ip_address_str, ip_address_t *ip_address); -int ip_address_snprintf (char *s, size_t size, const ip_address_t *ip_address, - int family); -int ip_address_to_sockaddr (const ip_address_t *ip_address, - struct sockaddr *sa, int family); -int ip_address_cmp (const ip_address_t *ip1, const ip_address_t *ip2, - int family); -int ip_address_empty (const ip_address_t *ip); +int hicn_ip_address_get_family (const hicn_ip_address_t *address); +int hicn_ip_address_str_get_family (const char *ip_address); +int hicn_ip_address_len (int family); +int hicn_ip_address_get_len (const hicn_ip_address_t *ip_address); + +int hicn_ip_address_get_len_bits (const hicn_ip_address_t *ip_address); +const u8 *hicn_ip_address_get_buffer (const hicn_ip_address_t *ip_address, + int family); +int hicn_ip_address_ntop (const hicn_ip_address_t *ip_address, char *dst, + const size_t len, int family); +int hicn_ip_address_pton (const char *ip_address_str, + hicn_ip_address_t *ip_address); +int hicn_ip_address_snprintf (char *s, size_t size, + const hicn_ip_address_t *ip_address); +int hicn_ip_address_to_sockaddr (const hicn_ip_address_t *ip_address, + struct sockaddr *sa, int family); +int hicn_ip_address_cmp (const hicn_ip_address_t *ip1, + const hicn_ip_address_t *ip2); +bool hicn_ip_address_equals (const hicn_ip_address_t *ip1, + const hicn_ip_address_t *ip2); +int hicn_ip_address_empty (const hicn_ip_address_t *ip); + +uint8_t hicn_ip_address_get_bit (const hicn_ip_address_t *address, + uint8_t pos); + +bool hicn_ip_address_match_family (const hicn_ip_address_t *address, + int family); + +uint32_t hicn_ip_address_get_hash (const hicn_ip_address_t *address); /* Prefix */ -int ip_prefix_pton (const char *ip_address_str, ip_prefix_t *ip_prefix); -int ip_prefix_ntop_short (const ip_prefix_t *ip_prefix, char *dst, - size_t size); -int ip_prefix_ntop (const ip_prefix_t *ip_prefix, char *dst, size_t size); -int ip_prefix_snprintf (char *s, size_t size, const ip_prefix_t *prefix); -int ip_prefix_len (const ip_prefix_t *prefix); -bool ip_prefix_empty (const ip_prefix_t *prefix); -int ip_prefix_to_sockaddr (const ip_prefix_t *prefix, struct sockaddr *sa); -int ip_prefix_cmp (const ip_prefix_t *prefix1, const ip_prefix_t *prefix2); +int hicn_ip_prefix_pton (const char *ip_address_str, + hicn_ip_prefix_t *hicn_ip_prefix); +int hicn_ip_prefix_ntop_short (const hicn_ip_prefix_t *hicn_ip_prefix, + char *dst, size_t size); +int hicn_ip_prefix_ntop (const hicn_ip_prefix_t *hicn_ip_prefix, char *dst, + size_t size); +int hicn_ip_prefix_snprintf (char *s, size_t size, + const hicn_ip_prefix_t *prefix); +int hicn_ip_prefix_len (const hicn_ip_prefix_t *prefix); +bool hicn_ip_prefix_empty (const hicn_ip_prefix_t *prefix); +int hicn_ip_prefix_to_sockaddr (const hicn_ip_prefix_t *prefix, + struct sockaddr *sa); +int hicn_ip_prefix_cmp (const hicn_ip_prefix_t *prefix1, + const hicn_ip_prefix_t *prefix2); /* URL */ @@ -200,7 +218,7 @@ int ip_prefix_cmp (const ip_prefix_t *prefix1, const ip_prefix_t *prefix2); #define MAXSZ_URL6 MAXSZ_URL6_ + NULLTERM #define MAXSZ_URL MAXSZ_URL_ + NULLTERM -int url_snprintf (char *s, size_t size, int family, - const ip_address_t *ip_address, u16 port); +int url_snprintf (char *s, size_t size, const hicn_ip_address_t *ip_address, + u16 port); #endif /* UTIL_IP_ADDRESS_H */ |