1 files changed, 97 insertions, 0 deletions
diff --git a/Mono.Nat/AbstractNatDevice.cs b/Mono.Nat/AbstractNatDevice.cs
new file mode 100644
index 000000000..046cfc10f
--- /dev/null
+++ b/Mono.Nat/AbstractNatDevice.cs
@@ -0,0 +1,97 @@
+//
+// Authors:
+//   Alan McGovern alan.mcgovern@gmail.com
+//   Ben Motmans <ben.motmans@gmail.com>
+//
+// Copyright (C) 2006 Alan McGovern
+// Copyright (C) 2007 Ben Motmans
+//
+// 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;
+using System.Collections.Generic;
+using System.Text;
+using System.Net;
+
+namespace Mono.Nat
+{
+	public abstract class AbstractNatDevice : INatDevice
+	{
+		private DateTime lastSeen;
+		
+		protected AbstractNatDevice ()
+		{
+
+		}
+
+		public abstract IPAddress LocalAddress { get; }
+		
+		public DateTime LastSeen
+		{
+			get { return lastSeen; }
+			set { lastSeen = value; }
+		}
+
+		public virtual void CreatePortMap (Mapping mapping)
+		{
+			IAsyncResult result = BeginCreatePortMap (mapping, null, null);
+		    EndCreatePortMap(result);
+		}
+
+		public virtual void DeletePortMap (Mapping mapping)
+		{
+			IAsyncResult result = BeginDeletePortMap (mapping, null, mapping);
+			EndDeletePortMap(result);
+		}
+
+		public virtual Mapping[] GetAllMappings ()
+		{
+			IAsyncResult result = BeginGetAllMappings (null, null);
+			return EndGetAllMappings (result);
+		}
+
+		public virtual IPAddress GetExternalIP ()
+		{
+			IAsyncResult result = BeginGetExternalIP(null, null);
+			return EndGetExternalIP(result);
+		}
+
+		public virtual Mapping GetSpecificMapping (Protocol protocol, int port)
+		{
+			IAsyncResult result = this.BeginGetSpecificMapping (protocol, port, null, null);
+			return this.EndGetSpecificMapping(result);
+		}
+
+        public abstract IAsyncResult BeginCreatePortMap(Mapping mapping, AsyncCallback callback, object asyncState);
+		public abstract IAsyncResult BeginDeletePortMap (Mapping mapping, AsyncCallback callback, object asyncState);
+		
+		public abstract IAsyncResult BeginGetAllMappings (AsyncCallback callback, object asyncState);
+		public abstract IAsyncResult BeginGetExternalIP (AsyncCallback callback, object asyncState);
+        public abstract IAsyncResult BeginGetSpecificMapping(Protocol protocol, int externalPort, AsyncCallback callback, object asyncState);
+
+		public abstract void EndCreatePortMap (IAsyncResult result);
+		public abstract void EndDeletePortMap (IAsyncResult result);
+		
+		public abstract Mapping[] EndGetAllMappings (IAsyncResult result);
+		public abstract IPAddress EndGetExternalIP (IAsyncResult result);
+		public abstract Mapping EndGetSpecificMapping (IAsyncResult result);
+	}
+}