Merge pull request #2034 from alexrp/ctx-cleanup

[mono.git] / mcs / class / System / System.Net.NetworkInformation / MulticastIPAddressInformationCollection.cs

diff --git a/mcs/class/System/System.Net.NetworkInformation/MulticastIPAddressInformationCollection.cs b/mcs/class/System/System.Net.NetworkInformation/MulticastIPAddressInformationCollection.cs
index 087997b437ea9b5e125bba21586b667c76a035bd..36bd9c42de1a4e5b0bf5346432a2998a05b99bb0 100644 (file)
--- a/mcs/class/System/System.Net.NetworkInformation/MulticastIPAddressInformationCollection.cs
+++ b/mcs/class/System/System.Net.NetworkInformation/MulticastIPAddressInformationCollection.cs
@@ -1,10 +1,12 @@
 //
 // System.Net.NetworkInformation.MulticastIPAddressInformationCollection
 //
-// Author:
+// Authors:
 //     Gonzalo Paniagua Javier (gonzalo@novell.com)
+//     Atsushi Enomoto (atsushi@ximian.com)
+//     Eric Butler (eric@extremeboredom.net)
 //
-// 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
@@ -25,13 +27,13 @@
 // 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.Collections;
 using System.Collections.Generic;
+using System.Runtime.InteropServices;
 
 namespace System.Net.NetworkInformation {
        public class MulticastIPAddressInformationCollection : ICollection<MulticastIPAddressInformation>, IEnumerable<MulticastIPAddressInformation>, IEnumerable {
-               List<MulticastIPAddressInformation> list; // We want an internal ctor that fills this list up.
+               List<MulticastIPAddressInformation> list = new List<MulticastIPAddressInformation> ();
                
                protected internal MulticastIPAddressInformationCollection ()
                {
@@ -39,12 +41,16 @@ namespace System.Net.NetworkInformation {
 
                public virtual void Add (MulticastIPAddressInformation address)
                {
-                       throw new NotSupportedException ("The collection is read-only.");
+                       if (IsReadOnly)
+                               throw new NotSupportedException ("The collection is read-only.");
+                       list.Add (address);
                }
 
                public virtual void Clear ()
                {
-                       throw new NotSupportedException ("The collection is read-only.");
+                       if (IsReadOnly)
+                               throw new NotSupportedException ("The collection is read-only.");
+                       list.Clear ();
                }
 
                public virtual bool Contains (MulticastIPAddressInformation address)
@@ -64,7 +70,9 @@ namespace System.Net.NetworkInformation {
 
                public virtual bool Remove (MulticastIPAddressInformation address)
                {
-                       throw new NotSupportedException ("The collection is read-only.");
+                       if (IsReadOnly)
+                               throw new NotSupportedException ("The collection is read-only.");
+                       return list.Remove (address);
                }
 
                IEnumerator IEnumerable.GetEnumerator ()
@@ -84,6 +92,51 @@ namespace System.Net.NetworkInformation {
                        get { return list [index]; }
                }
        }
-}
+
+       class MulticastIPAddressInformationImplCollection : MulticastIPAddressInformationCollection
+       {
+               public static readonly MulticastIPAddressInformationImplCollection Empty = new MulticastIPAddressInformationImplCollection (true);
+
+               bool is_readonly;
+
+               // for static methods
+               MulticastIPAddressInformationImplCollection (bool isReadOnly)
+               {
+                       is_readonly = isReadOnly;
+               }
+
+               public override bool IsReadOnly {
+                       get { return is_readonly; }
+               }
+
+#if !MOBILE
+               public static MulticastIPAddressInformationCollection Win32FromMulticast (IntPtr ptr)
+               {
+                       MulticastIPAddressInformationImplCollection c = new MulticastIPAddressInformationImplCollection (false);
+                       Win32_IP_ADAPTER_MULTICAST_ADDRESS a;
+                       for (IntPtr p = ptr; p != IntPtr.Zero; p = a.Next) {
+                               a = (Win32_IP_ADAPTER_MULTICAST_ADDRESS) Marshal.PtrToStructure (p, typeof (Win32_IP_ADAPTER_MULTICAST_ADDRESS));
+                               c.Add (new MulticastIPAddressInformationImpl (
+                                      a.Address.GetIPAddress (),
+                                      a.LengthFlags.IsDnsEligible,
+                                      a.LengthFlags.IsTransient));
+                       }
+                       c.is_readonly = true;
+                       return c;
+               }
 #endif
 
+               public static MulticastIPAddressInformationImplCollection LinuxFromList (List<IPAddress> addresses)
+               {
+                       MulticastIPAddressInformationImplCollection c = new MulticastIPAddressInformationImplCollection (false);
+                       foreach (IPAddress address in addresses) {
+                               c.Add (new MulticastIPAddressInformationImpl (
+                                       address,
+                                       true,
+                                       false));
+                       }
+                       c.is_readonly = true;
+                       return c;
+               }
+       }
+}