2 // System.Net.NetworkInformation.IPAddressInformationCollection
5 // Gonzalo Paniagua Javier (gonzalo@novell.com)
6 // Atsushi Enomoto (atsushi@ximian.com)
8 // Copyright (c) 2006-2007 Novell, Inc. (http://www.novell.com)
10 // Permission is hereby granted, free of charge, to any person obtaining
11 // a copy of this software and associated documentation files (the
12 // "Software"), to deal in the Software without restriction, including
13 // without limitation the rights to use, copy, modify, merge, publish,
14 // distribute, sublicense, and/or sell copies of the Software, and to
15 // permit persons to whom the Software is furnished to do so, subject to
16 // the following conditions:
18 // The above copyright notice and this permission notice shall be
19 // included in all copies or substantial portions of the Software.
21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
30 using System.Collections;
31 using System.Collections.Generic;
32 using System.Runtime.InteropServices;
34 namespace System.Net.NetworkInformation {
35 public class IPAddressInformationCollection : ICollection<IPAddressInformation>, IEnumerable<IPAddressInformation>, IEnumerable {
36 List <IPAddressInformation> list = new List <IPAddressInformation> ();
38 internal IPAddressInformationCollection ()
42 public virtual void Add (IPAddressInformation address)
45 throw new NotSupportedException ("The collection is read-only.");
49 public virtual void Clear ()
52 throw new NotSupportedException ("The collection is read-only.");
56 public virtual bool Contains (IPAddressInformation address)
58 return list.Contains (address);
61 public virtual void CopyTo (IPAddressInformation [] array, int offset)
63 list.CopyTo (array, offset);
66 public virtual IEnumerator<IPAddressInformation> GetEnumerator ()
68 return ((IEnumerable<IPAddressInformation>)list).GetEnumerator ();
71 public virtual bool Remove (IPAddressInformation address)
74 throw new NotSupportedException ("The collection is read-only.");
75 return list.Remove (address);
78 IEnumerator IEnumerable.GetEnumerator ()
80 return list.GetEnumerator ();
83 public virtual int Count {
84 get { return list.Count; }
87 public virtual bool IsReadOnly {
91 public virtual IPAddressInformation this [int index] {
92 get { return list [index]; }
96 class IPAddressInformationImplCollection : IPAddressInformationCollection
98 public static readonly IPAddressInformationImplCollection Empty = new IPAddressInformationImplCollection (true);
102 // for static methods
103 IPAddressInformationImplCollection (bool isReadOnly)
105 is_readonly = isReadOnly;
108 public override bool IsReadOnly {
109 get { return is_readonly; }
112 public static IPAddressInformationCollection Win32FromAnycast (IntPtr ptr)
114 IPAddressInformationImplCollection c = new IPAddressInformationImplCollection (false);
115 Win32_IP_ADAPTER_ANYCAST_ADDRESS a;
116 for (IntPtr p = ptr; p != IntPtr.Zero; p = a.Next) {
117 a = (Win32_IP_ADAPTER_ANYCAST_ADDRESS) Marshal.PtrToStructure (p, typeof (Win32_IP_ADAPTER_ANYCAST_ADDRESS));
118 c.Add (new IPAddressInformationImpl (
119 a.Address.GetIPAddress (),
120 a.LengthFlags.IsDnsEligible,
121 a.LengthFlags.IsTransient));
123 c.is_readonly = true;
127 public static IPAddressInformationImplCollection LinuxFromAnycast (IList<IPAddress> addresses)
129 IPAddressInformationImplCollection c = new IPAddressInformationImplCollection (false);
130 foreach (IPAddress address in addresses) {
131 c.Add (new IPAddressInformationImpl (address, false, false));
133 c.is_readonly = true;