2 // System.Net.NetworkInformation.IPAddressCollection
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.
31 using System
.Collections
;
32 using System
.Collections
.Generic
;
34 using System
.Runtime
.InteropServices
;
36 namespace System
.Net
.NetworkInformation
{
37 public class IPAddressCollection
: ICollection
<IPAddress
>, IEnumerable
<IPAddress
>, IEnumerable
{
38 IList
<IPAddress
> list
= new List
<IPAddress
> ();
40 protected internal IPAddressCollection ()
44 internal void SetReadOnly ()
47 list
= ((List
<IPAddress
>) list
).AsReadOnly ();
50 public virtual void Add (IPAddress address
)
53 throw new NotSupportedException ("The collection is read-only.");
57 public virtual void Clear ()
60 throw new NotSupportedException ("The collection is read-only.");
64 public virtual bool Contains (IPAddress address
)
66 return list
.Contains (address
);
69 public virtual void CopyTo (IPAddress
[] array
, int offset
)
71 list
.CopyTo (array
, offset
);
74 public virtual IEnumerator
<IPAddress
> GetEnumerator ()
76 return ((IEnumerable
<IPAddress
>)list
).GetEnumerator ();
79 public virtual bool Remove (IPAddress address
)
82 throw new NotSupportedException ("The collection is read-only.");
83 return list
.Remove (address
);
86 IEnumerator IEnumerable
.GetEnumerator ()
88 return list
.GetEnumerator ();
91 public virtual int Count
{
92 get { return list.Count; }
95 public virtual bool IsReadOnly
{
96 get { return list.IsReadOnly; }
99 public virtual IPAddress
this [int index
] {
100 get { return list [index]; }
104 class Win32IPAddressCollection
: IPAddressCollection
106 public static readonly Win32IPAddressCollection Empty
= new Win32IPAddressCollection (IntPtr
.Zero
);
110 // for static methods
111 Win32IPAddressCollection ()
115 public Win32IPAddressCollection (params IntPtr
[] heads
)
117 foreach (IntPtr head
in heads
)
118 AddSubsequentlyString (head
);
122 public Win32IPAddressCollection (params Win32_IP_ADDR_STRING
[] al
)
124 foreach (Win32_IP_ADDR_STRING a
in al
) {
125 if (String
.IsNullOrEmpty (a
.IpAddress
))
127 Add (IPAddress
.Parse (a
.IpAddress
));
128 AddSubsequentlyString (a
.Next
);
133 public static Win32IPAddressCollection
FromAnycast (IntPtr ptr
)
135 Win32IPAddressCollection c
= new Win32IPAddressCollection ();
136 Win32_IP_ADAPTER_ANYCAST_ADDRESS a
;
137 for (IntPtr p
= ptr
; p
!= IntPtr
.Zero
; p
= a
.Next
) {
138 a
= (Win32_IP_ADAPTER_ANYCAST_ADDRESS
) Marshal
.PtrToStructure (p
, typeof (Win32_IP_ADAPTER_ANYCAST_ADDRESS
));
139 c
.Add (a
.Address
.GetIPAddress ());
141 c
.is_readonly
= true;
145 public static Win32IPAddressCollection
FromDnsServer (IntPtr ptr
)
147 Win32IPAddressCollection c
= new Win32IPAddressCollection ();
148 Win32_IP_ADAPTER_DNS_SERVER_ADDRESS a
;
149 for (IntPtr p
= ptr
; p
!= IntPtr
.Zero
; p
= a
.Next
) {
150 a
= (Win32_IP_ADAPTER_DNS_SERVER_ADDRESS
) Marshal
.PtrToStructure (p
, typeof (Win32_IP_ADAPTER_DNS_SERVER_ADDRESS
));
151 // FIXME: It somehow fails here. Looks like there is something wrong.
152 //if (a.Address.Sockaddr == IntPtr.Zero) throw new Exception ("pointer " + p + " a.length " + a.Address.SockaddrLength);
153 c
.Add (a
.Address
.GetIPAddress ());
155 c
.is_readonly
= true;
159 void AddSubsequentlyString (IntPtr head
)
161 Win32_IP_ADDR_STRING a
;
162 for (IntPtr p
= head
; p
!= IntPtr
.Zero
; p
= a
.Next
) {
163 a
= (Win32_IP_ADDR_STRING
) Marshal
.PtrToStructure (p
, typeof (Win32_IP_ADDR_STRING
));
164 Add (IPAddress
.Parse (a
.IpAddress
));
168 public override bool IsReadOnly
{
169 get { return is_readonly; }