Merge pull request #3142 from henricm/fix-for-win-mono_string_to_utf8
[mono.git] / mcs / class / System / System.Net.NetworkInformation / IPAddressCollection.cs
index b714220e0a0e6a57c12a02717a6623b560f170dd..2b39ff8311c427735dc99ddcab36b62839b8590b 100644 (file)
@@ -1,10 +1,11 @@
 //
 // System.Net.NetworkInformation.IPAddressCollection
 //
-// Author:
+// Authors:
 //     Gonzalo Paniagua Javier (gonzalo@novell.com)
+//     Atsushi Enomoto (atsushi@ximian.com)
 //
-// Copyright (c) 2006 Novell, Inc. (http://www.novell.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
 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 //
-#if NET_2_0
 using System;
 using System.Collections;
 using System.Collections.Generic;
+using System.Net;
+using System.Runtime.InteropServices;
 
 namespace System.Net.NetworkInformation {
-       public class IPAddressCollection : ICollection<IPAddress>, IEnumerable<IPAddress>, IEnumerable {
-               List<IPAddress> list;
 
-               protected internal IPAddressCollection ()
-               {
-               }
+#if !MOBILE
+       class Win32IPAddressCollection : IPAddressCollection
+       {
+               public static readonly Win32IPAddressCollection Empty = new Win32IPAddressCollection (IntPtr.Zero);
 
-               public virtual void Add (IPAddress address)
-               {
-                       throw new NotSupportedException ("The collection is read-only.");
-               }
+               bool is_readonly;
 
-               public virtual void Clear ()
+               // for static methods
+               Win32IPAddressCollection ()
                {
-                       throw new NotSupportedException ("The collection is read-only.");
                }
 
-               public virtual bool Contains (IPAddress address)
+               public Win32IPAddressCollection (params IntPtr [] heads)
                {
-                       return list.Contains (address);
+                       foreach (IntPtr head in heads)
+                               AddSubsequentlyString (head);
+                       is_readonly = true;
                }
 
-               public virtual void CopyTo (IPAddress [] array, int offset)
+               public Win32IPAddressCollection (params Win32_IP_ADDR_STRING [] al)
                {
-                       list.CopyTo (array, offset);
+                       foreach (Win32_IP_ADDR_STRING a in al) {
+                               if (String.IsNullOrEmpty (a.IpAddress))
+                                       continue;
+                               Add (IPAddress.Parse (a.IpAddress));
+                               AddSubsequentlyString (a.Next);
+                       }
+                       is_readonly = true;
                }
 
-               public virtual IEnumerator<IPAddress> GetEnumerator ()
+               public static Win32IPAddressCollection FromAnycast (IntPtr ptr)
                {
-                       return ((IEnumerable<IPAddress>)list).GetEnumerator ();
+                       Win32IPAddressCollection c = new Win32IPAddressCollection ();
+                       Win32_IP_ADAPTER_ANYCAST_ADDRESS a;
+                       for (IntPtr p = ptr; p != IntPtr.Zero; p = a.Next) {
+                               a = (Win32_IP_ADAPTER_ANYCAST_ADDRESS) Marshal.PtrToStructure (p, typeof (Win32_IP_ADAPTER_ANYCAST_ADDRESS));
+                               c.Add (a.Address.GetIPAddress ());
+                       }
+                       c.is_readonly = true;
+                       return c;
                }
 
-               public virtual bool Remove (IPAddress address)
+               public static Win32IPAddressCollection FromDnsServer (IntPtr ptr)
                {
-                       throw new NotSupportedException ("The collection is read-only.");
+                       Win32IPAddressCollection c = new Win32IPAddressCollection ();
+                       Win32_IP_ADAPTER_DNS_SERVER_ADDRESS a;
+                       for (IntPtr p = ptr; p != IntPtr.Zero; p = a.Next) {
+                               a = (Win32_IP_ADAPTER_DNS_SERVER_ADDRESS) Marshal.PtrToStructure (p, typeof (Win32_IP_ADAPTER_DNS_SERVER_ADDRESS));
+// FIXME: It somehow fails here. Looks like there is something wrong.
+//if (a.Address.Sockaddr == IntPtr.Zero) throw new Exception ("pointer " + p + " a.length " + a.Address.SockaddrLength);
+                               c.Add (a.Address.GetIPAddress ());
+                       }
+                       c.is_readonly = true;
+                       return c;
                }
 
-               IEnumerator IEnumerable.GetEnumerator ()
+               void AddSubsequentlyString (IntPtr head)
                {
-                       return list.GetEnumerator ();
-               }
-
-               public virtual int Count {
-                       get { return list.Count; }
+                       Win32_IP_ADDR_STRING a;
+                       for (IntPtr p = head; p != IntPtr.Zero; p = a.Next) {
+                               a = (Win32_IP_ADDR_STRING) Marshal.PtrToStructure (p, typeof (Win32_IP_ADDR_STRING));
+                               Add (IPAddress.Parse (a.IpAddress));
+                       }
                }
 
-               public virtual bool IsReadOnly {
-                       get { return true; }
-               }
-
-               public virtual IPAddress this [int index] {
-                       get { return list [index]; }
+               public override bool IsReadOnly {
+                       get { return is_readonly; }
                }
        }
-}
 #endif
+}
+