1 files changed, 159 insertions, 0 deletions
diff --git a/lib/includes/hicn/util/ip_address.h b/lib/includes/hicn/util/ip_address.h
new file mode 100644
index 000000000..728a9da90
--- /dev/null
+++ b/lib/includes/hicn/util/ip_address.h
@@ -0,0 +1,159 @@
+/*
+ * Copyright (c) 2017-2019 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.
+ */
+
+/**
+ * \file ip_address.h
+ * \brief IP address type
+ */
+#ifndef UTIL_IP_ADDRESS_H
+#define UTIL_IP_ADDRESS_H
+
+#include <arpa/inet.h>  // inet_ntop
+#ifdef __APPLE__
+#include <libkern/OSByteOrder.h>
+#define __bswap_constant_32(x) OSSwapInt32(x)
+#include <machine/endian.h>
+#else
+#include <endian.h>
+#ifdef __ANDROID__
+#include <byteswap.h>
+#endif
+#include <endian.h>
+#endif
+#include <errno.h>
+#include <netdb.h> // struct addrinfo
+#ifndef _WIN32
+#include <netinet/in.h>		// struct sockadd
+#endif
+#include <stdbool.h>
+#include <stdlib.h>
+#include <stdio.h> // snprintf
+#include <string.h> // memset
+
+#include "types.h"
+
+#define bytes_to_bits(x) (x * 8)
+#define IPV6_ADDR_LEN 16	/* bytes */
+#define IPV4_ADDR_LEN 4		/* bytes */
+#define IPV6_ADDR_LEN_BITS bytes_to_bits(IPV6_ADDR_LEN)
+#define IPV4_ADDR_LEN_BITS bytes_to_bits(IPV4_ADDR_LEN)
+
+/* Presentation format */
+#ifndef INET_ADDRSTRLEN
+#define INET_ADDRSTRLEN 16
+#endif
+
+#ifndef INET6_ADDRSTRLEN
+#define INET6_ADDRSTRLEN 46
+#endif
+//#define INET_MAX_ADDRSTRLEN INET6_ADDRSTRLEN
+
+#define IP_MAX_ADDR_LEN IPV6_ADDR_LEN
+
+#define DUMMY_PORT 1234
+
+typedef union {
+    union {
+        struct in_addr as_inaddr;
+        u8 as_u8[4];
+        u16 as_u16[2];
+        u32 as_u32;
+    } v4;
+    union {
+        struct in6_addr as_in6addr;
+        u8 as_u8[16];
+        u16 as_u16[8];
+        u32 as_u32[4];
+        u64 as_u64[2];
+    } v6;
+    u8 buffer[IP_MAX_ADDR_LEN];
+    u8 as_u8[IP_MAX_ADDR_LEN];
+    u16 as_u16[IP_MAX_ADDR_LEN >> 1];
+    u32 as_u32[IP_MAX_ADDR_LEN >> 2];
+    u64 as_u64[IP_MAX_ADDR_LEN >> 3];
+} ip_address_t;
+
+#define MAXSZ_IP4_ADDRESS_ INET_ADDRSTRLEN - 1
+#define MAXSZ_IP6_ADDRESS_ INET6_ADDRSTRLEN - 1
+#define MAXSZ_IP_ADDRESS_ MAXSZ_IP6_ADDRESS_
+#define MAXSZ_IP4_ADDRESS MAXSZ_IP4_ADDRESS_ + 1
+#define MAXSZ_IP6_ADDRESS MAXSZ_IP6_ADDRESS_ + 1
+#define MAXSZ_IP_ADDRESS MAXSZ_IP_ADDRESS_ + 1
+
+typedef struct {
+  int family;
+  ip_address_t address;
+  u8 len;
+} ip_prefix_t;
+
+#define MAXSZ_PREFIX_ MAXSZ_IP_ADDRESS_ + 1 + 3
+#define MAXSZ_PREFIX MAXSZ_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 ip_address_t IP_ADDRESS_EMPTY;
+
+#define IP_ANY(family) (family == AF_INET) ? IPV4_ANY : IPV6_ANY
+
+
+#define MAX_PORT 1 << (8 * sizeof(u16))
+#define IS_VALID_PORT(x) ((x > 0) && ((int)x < MAX_PORT))
+
+#define MAXSZ_PORT_ 5
+#define MAXSZ_PORT MAXSZ_PORT_ + 1
+
+#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 (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);
+
+/* Prefix */
+
+int ip_prefix_pton (const char *ip_address_str, ip_prefix_t * ip_prefix);
+int ip_prefix_ntop (const ip_prefix_t * ip_prefix, char *dst, size_t size);
+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);
+
+
+/* URL */
+
+#define MAXSZ_PROTO_ 8 /* inetX:// */
+#define MAXSZ_PROTO MAXSZ_PROTO_ + NULLTERM
+
+#define MAXSZ_URL4_ MAXSZ_PROTO_ + MAXSZ_IP4_ADDRESS_ + MAXSZ_PORT_
+#define MAXSZ_URL6_ MAXSZ_PROTO_ + MAXSZ_IP6_ADDRESS_ + MAXSZ_PORT_
+#define MAXSZ_URL_ MAXSZ_URL6_
+#define MAXSZ_URL4 MAXSZ_URL4_ + NULLTERM
+#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);
+
+#endif /* UTIL_IP_ADDRESS_H */