1 files changed, 123 insertions, 0 deletions
diff --git a/Mono.Nat/Mapping.cs b/Mono.Nat/Mapping.cs
new file mode 100644
index 000000000..dd49404c6
--- /dev/null
+++ b/Mono.Nat/Mapping.cs
@@ -0,0 +1,123 @@
+//
+// 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;
+
+namespace Mono.Nat
+{
+	public class Mapping
+	{
+        private string description;
+        private DateTime expiration;
+        private int lifetime;
+        private int privatePort;
+		private Protocol protocol;
+		private int publicPort;
+		
+
+
+		public Mapping (Protocol protocol, int privatePort, int publicPort)
+			: this (protocol, privatePort, publicPort, 0)
+		{
+		}
+		
+		public Mapping (Protocol protocol, int privatePort, int publicPort, int lifetime)
+		{
+			this.protocol = protocol;
+			this.privatePort = privatePort;
+			this.publicPort = publicPort;
+			this.lifetime = lifetime;
+
+			if (lifetime == int.MaxValue)
+				this.expiration = DateTime.MaxValue;
+			else if (lifetime == 0)
+				this.expiration = DateTime.Now;
+			else
+				this.expiration = DateTime.Now.AddSeconds (lifetime);
+		}
+
+        public string Description
+        {
+            get { return description; }
+            set { description = value; }
+        }
+		
+		public Protocol Protocol
+		{
+			get { return protocol; }
+			internal set { protocol = value; }
+		}
+
+		public int PrivatePort
+		{
+			get { return privatePort; }
+			internal set { privatePort = value; }
+		}
+		
+		public int PublicPort
+		{
+			get { return publicPort; }
+			internal set { publicPort = value; }
+		}
+		
+		public int Lifetime
+		{
+			get { return lifetime; }
+			internal set { lifetime = value; }
+		}
+		
+		public DateTime Expiration
+		{
+			get { return expiration; }
+			internal set { expiration = value; }
+		}
+		
+		public bool IsExpired ()
+		{
+			return expiration < DateTime.Now;
+		}
+
+		public override bool Equals (object obj)
+		{
+			Mapping other = obj as Mapping;
+			return other == null ? false : this.protocol == other.protocol &&
+				this.privatePort == other.privatePort && this.publicPort == other.publicPort;
+		}
+
+		public override int GetHashCode()
+		{
+			return this.protocol.GetHashCode() ^ this.privatePort.GetHashCode() ^ this.publicPort.GetHashCode();
+		}
+
+        public override string ToString( )
+        {
+            return String.Format( "Protocol: {0}, Public Port: {1}, Private Port: {2}, Description: {3}, Expiration: {4}, Lifetime: {5}", 
+                this.protocol, this.publicPort, this.privatePort, this.description, this.expiration, this.lifetime );
+        }
+	}
+}