1 files changed, 66 insertions, 0 deletions
diff --git a/hicn-light/src/hicn/core/address_pair.h b/hicn-light/src/hicn/core/address_pair.h
new file mode 100644
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+++ b/hicn-light/src/hicn/core/address_pair.h
@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2021 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_pair.h
+ * \brief Address pair
+ */
+
+#ifndef HICNLIGHT_ADDRESS_PAIR_H
+#define HICNLIGHT_ADDRESS_PAIR_H
+
+#include <hicn/util/ip_address.h>
+
+#include "address.h"
+
+typedef struct {
+  address_t local;
+  address_t remote;
+} address_pair_t;
+
+/**
+ * @brief Create an address pair starting from local and remote addresses.
+ *
+ * @param local The local address to use in the pair
+ * @param remote The remote address to use in the pair
+ * @return address_pair_t The address pair created
+ */
+address_pair_t address_pair_factory(address_t local, address_t remote);
+
+int address_pair_from_ip_port(address_pair_t* pair, int family,
+                              hicn_ip_address_t* local_addr,
+                              uint16_t local_port,
+                              hicn_ip_address_t* remote_addr,
+                              uint16_t remote_port);
+
+static inline int address_pair_equals(const address_pair_t* pair1,
+                                      const address_pair_t* pair2) {
+  return address_equals(&pair1->local, &pair2->local) &&
+         address_equals(&pair1->remote, &pair2->remote);
+}
+
+#define address_pair_get_local(pair) (&(pair)->local)
+#define address_pair_get_remote(pair) (&(pair)->remote)
+
+#define address_pair_get_local_family(pair) \
+  (address_family(address_pair_get_local(pair)))
+#define address_pair_get_remote_family(pair) \
+  (address_family(address_pair_get_remote(pair)))
+#define address_pair_get_family(pair) address_pair_get_local_family(pair)
+
+#define address_pair_is_valid(pair) \
+  (address_pair_get_local_family(pair) == address_pair_get_remote_family(pair))
+
+#endif /* HICNLIGHT_ADDRESS_PAIR_H */