// // System.Net.NetworkInformation.MulticastIPAddressInformation // // 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.Runtime.InteropServices; namespace System.Net.NetworkInformation { public abstract class MulticastIPAddressInformation : IPAddressInformation { protected MulticastIPAddressInformation () { } public abstract long AddressPreferredLifetime { get; } public abstract long AddressValidLifetime { get; } public abstract long DhcpLeaseLifetime { get; } public abstract DuplicateAddressDetectionState DuplicateAddressDetectionState { get; } public abstract PrefixOrigin PrefixOrigin { get; } public abstract SuffixOrigin SuffixOrigin { get; } } // So, why are there many pointless members in the base class? class MulticastIPAddressInformationImpl : MulticastIPAddressInformation { IPAddress address; bool is_dns_eligible, is_transient; public MulticastIPAddressInformationImpl (IPAddress address, bool isDnsEligible, bool isTransient) { this.address = address; this.is_dns_eligible = isDnsEligible; this.is_transient = isTransient; } public override IPAddress Address { get { return address; } } public override bool IsDnsEligible { get { return is_dns_eligible; } } public override bool IsTransient { get { return is_transient; } } public override long AddressPreferredLifetime { get { return 0; } } public override long AddressValidLifetime { get { return 0; } } public override long DhcpLeaseLifetime { get { return 0; } } public override DuplicateAddressDetectionState DuplicateAddressDetectionState { get { return DuplicateAddressDetectionState.Invalid; } } public override PrefixOrigin PrefixOrigin { get { return PrefixOrigin.Other; } } public override SuffixOrigin SuffixOrigin { get { return SuffixOrigin.Other; } } } }