Mojo UDP socket API definition.

mojo/services/public/interfaces/network/net_address.mojom

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+module mojo {
+
+enum NetAddressFamily {
+  UNSPECIFIED,
+  IPV4,
+  IPV6
+};
+
+// All members are expressed in network byte order, i.e., the most significant
+// byte is stored in the smallest address. For example, if we store 127.0.0.1 in
+// |addr|, 127 should be at index 0.
+struct NetAddressIPv4 {
+  uint16 port;
+  uint8[4] addr;
+};
+
+// All members are expressed in network byte order.
+struct NetAddressIPv6 {
+  uint16 port;
+  uint8[16] addr;
+};
+
+struct NetAddress {
+  NetAddressFamily family = UNSPECIFIED;
+  // At most one of the following fields is non-NULL depending on the value of
+  // |family|.
+  NetAddressIPv4? ipv4;
+  NetAddressIPv6? ipv6;
+};
+
+}
+