Imported Upstream version 5.18.0.142

Former-commit-id: 7467d4b717762eeaf652d77f1486dd11ffb1ff1f

mcs/class/System/System.Net.NetworkInformation/LinuxUnicastIPAddressInformation.cs

@@ -0,0 +1,98 @@
+//
+// System.Net.NetworkInformation.UnicastIPAddressInformation
+//
+// Authors:
+//	Gonzalo Paniagua Javier (gonzalo@novell.com)
+//	Atsushi Enomoto (atsushi@ximian.com)
+//	Eric Butler (eric@extremeboredom.net)
+//
+// Copyright (c) 2006-2007 Novell, Inc. (http://www.novell.com)
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+// 
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+using System.Net.Sockets;
+
+namespace System.Net.NetworkInformation {
+	class LinuxUnicastIPAddressInformation : UnicastIPAddressInformation
+	{
+		IPAddress address;
+		IPAddress ipv4Mask;
+
+		public LinuxUnicastIPAddressInformation (IPAddress address)
+		{
+			this.address = address;
+		}
+
+		public override IPAddress Address {
+			get { return address; }
+		}
+
+		public override bool IsDnsEligible {
+			get {
+				byte[] addressBytes = address.GetAddressBytes ();
+				return !(addressBytes[0] == 169 && addressBytes[1] == 254);
+			}
+		}
+
+		[MonoTODO("Always returns false")]
+		public override bool IsTransient {
+			get { return false; }
+		}
+
+		// UnicastIPAddressInformation members
+
+		public override long AddressPreferredLifetime {
+			get { throw new NotImplementedException (); }
+		}
+
+		public override long AddressValidLifetime {
+			get { throw new NotImplementedException (); }
+		}
+
+		public override long DhcpLeaseLifetime {
+			get { throw new NotImplementedException (); }
+		}
+
+		public override DuplicateAddressDetectionState DuplicateAddressDetectionState {
+			get { throw new NotImplementedException (); }
+		}
+
+		public override IPAddress IPv4Mask {
+			get {
+				// The IPv6 equivilant (for .net compatibility)
+				if (Address.AddressFamily != AddressFamily.InterNetwork)
+					return IPAddress.Any;
+
+				if (ipv4Mask == null)
+					ipv4Mask = SystemNetworkInterface.GetNetMask (address);
+
+				return ipv4Mask;
+			}
+		}
+
+		public override PrefixOrigin PrefixOrigin {
+			get { throw new NotImplementedException (); }
+		}
+
+		public override SuffixOrigin SuffixOrigin {
+			get { throw new NotImplementedException (); }
+		}
+	}
+}