1 files changed, 88 insertions, 0 deletions
diff --git a/hicn-light/src/hicn/core/address.h b/hicn-light/src/hicn/core/address.h
new file mode 100644
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+++ b/hicn-light/src/hicn/core/address.h
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2020 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 address.h
+ * \brief Address
+ */
+
+#ifndef HICN_ADDRESS_H
+#define HICN_ADDRESS_H
+
+#include <netinet/in.h>
+
+#include <string.h> // memcmp
+#include <hicn/util/ip_address.h>
+#include <netinet/in.h>
+
+typedef struct sockaddr_storage address_t;
+
+#define address_equals(a, b) (memcmp(a, b, sizeof(address_t)) == 0)
+
+#define address_family(address) ((address)->ss_family)
+
+#define address4(address) ((struct sockaddr_in *)(address))
+#define address6(address) ((struct sockaddr_in6 *)(address))
+#define address_sa(address) ((struct sockaddr *)(address))
+
+#define address4_ip(address) (address4(address)->sin_addr)
+#define address6_ip(address) (address6(address)->sin6_addr)
+#define address6_scope_id(address) (address4_ptr(address)->sin6_scope_id)
+
+#define address_socklen(address) (((address)->ss_family == AF_INET) \
+        ? sizeof(struct sockaddr_in) : sizeof(struct sockaddr_in6))
+
+#define address4_is_local(address) \
+    ((htonl((address4_ip(address)).s_addr) & 0xFF000000) == 0x7F000000)
+
+#define address6_is_local(address) (IN6_IS_ADDR_LOOPBACK(address6(address)))
+
+#define address_is_local(address) ((address)->ss_family == AF_INET) \
+        ? address4_is_local(address) : address6_is_local(address)
+
+int address_from_ip_port(address_t * address, int family, ip_address_t * addr, uint16_t port);
+
+#define ADDRESS4(ip, port) (*(address_t*) &((struct sockaddr_in) { \
+    .sin_family = AF_INET,                                      \
+    .sin_port = htons(port),                                    \
+    .sin_addr.s_addr = htonl(ip),                               \
+}))
+
+#define ADDRESS4_LOCALHOST(port) ADDRESS4(INADDR_LOOPBACK, (port))
+#define ADDRESS4_ANY(port) ADDRESS4(INADDR_ANY, (port))
+
+#define ADDRESS6(ip, port) (*(address_t*) &((struct sockaddr_in6) {\
+    .sin6_family = AF_INET6,                                    \
+    .sin6_port = htons(port),                                   \
+    .sin6_addr = IN6ADDR_ANY_INIT,                              \
+    .sin6_scope_id = 0,                                         \
+}))
+
+#define ADDRESS6_ANY(port) ADDRESS6(IN6ADDR_ANY_INIT, port)
+
+#define ADDRESS_ANY(family, port) ((family == AF_INET)          \
+        ? ADDRESS4_ANY(port)                                    \
+        : ADDRESS6_ANY(port))
+
+extern const char * _address_family_str[];
+
+#define address_family_str(address) (_address_family_str[address_family(address)])
+
+#define address4_empty(address) (address4_ip(address).s_addr == 0)
+#define address6_empty(address) (memcmp(address6_ip(address).s6_addr, &in6addr_any, sizeof(struct in6_addr)) == 0)
+#define address_empty(address) (address_family(address) == AF_INET ? address4_empty(address) : address6_empty(address))
+
+#endif /* HICN_ADDRESS_H */
+