Imported Upstream version 5.18.0.142

Former-commit-id: 7467d4b717762eeaf652d77f1486dd11ffb1ff1f

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

@@ -0,0 +1,78 @@
+//
+// System.Net.NetworkInformation.IPInterfaceProperties
+//
+// Authors:
+//	Gonzalo Paniagua Javier (gonzalo@novell.com)
+//	Atsushi Enomoto (atsushi@ximian.com)
+//
+// 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.Collections.Generic;
+using System.Runtime.CompilerServices;
+
+namespace System.Net.NetworkInformation {
+	class MacOsIPInterfaceProperties : UnixIPInterfaceProperties
+	{
+		public MacOsIPInterfaceProperties (MacOsNetworkInterface iface, List <IPAddress> addresses)
+			: base (iface, addresses)
+		{
+		}
+
+		public override IPv4InterfaceProperties GetIPv4Properties ()
+		{
+			if (ipv4iface_properties == null)
+				ipv4iface_properties = new MacOsIPv4InterfaceProperties (iface as MacOsNetworkInterface);
+
+			return ipv4iface_properties;
+		}
+
+		[MethodImplAttribute(MethodImplOptions.InternalCall)]
+		private extern static bool ParseRouteInfo_internal(string iface, out string[] gw_addr_list);
+
+		public override GatewayIPAddressInformationCollection GatewayAddresses {
+			get {
+				var gateways = new IPAddressCollection ();
+				string[] gw_addrlist;
+				if (!ParseRouteInfo_internal (this.iface.Name.ToString(), out gw_addrlist))
+					return new GatewayIPAddressInformationCollection ();
+
+				for(int i=0; i<gw_addrlist.Length; i++) {
+					try {
+						IPAddress ip = IPAddress.Parse(gw_addrlist[i]);
+						if (!ip.Equals (IPAddress.Any) && !gateways.Contains (ip))
+							gateways.InternalAdd (ip);
+					} catch (ArgumentNullException) {
+						/* Ignore this, as the
+						 * internal call might have
+						 * left some blank entries at
+						 * the end of the array
+						 */
+					}
+				}
+
+				return SystemGatewayIPAddressInformation.ToGatewayIpAddressInformationCollection (gateways);
+			}
+		}
+	}
+}
+
+