仿真平台内核初版 -tlib库 包含<sparc arm riscv powerPC>

lib/Packet.Net/PacketDotNet/Ieee80211/ManagementFrame.cs

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+/*
+This file is part of PacketDotNet
+
+PacketDotNet is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+PacketDotNet is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with PacketDotNet.  If not, see <http://www.gnu.org/licenses/>.
+*/
+/*
+ * Copyright 2012 Alan Rushforth <alan.rushforth@gmail.com>
+ */
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Net.NetworkInformation;
+using MiscUtil.Conversion;
+using PacketDotNet.Utils;
+
+namespace PacketDotNet
+{
+    namespace Ieee80211
+    {
+        /// <summary>
+        /// Format of a CTS or an ACK frame
+        /// </summary>
+        public abstract class ManagementFrame : MacFrame
+        {
+            /// <summary>
+            /// DestinationAddress
+            /// </summary>
+            public PhysicalAddress DestinationAddress {get; set;}
+
+            /// <summary>
+            /// SourceAddress
+            /// </summary>
+            public PhysicalAddress SourceAddress {get; set;}
+
+            /// <summary>
+            /// BssID
+            /// </summary>
+            public PhysicalAddress BssId {get; set;}
+
+
+            /// <summary>
+            /// Frame control bytes are the first two bytes of the frame
+            /// </summary>
+            protected UInt16 SequenceControlBytes
+            {
+                get
+                {
+					if(header.Length >= (MacFields.SequenceControlPosition + MacFields.SequenceControlLength))
+					{
+						return EndianBitConverter.Little.ToUInt16(header.Bytes,
+						                                          (header.Offset + MacFields.Address1Position + (MacFields.AddressLength * 3)));
+					}
+					else
+					{
+						return 0;
+					}
+                }
+
+                set
+                {
+                    EndianBitConverter.Little.CopyBytes(value,
+                                                     header.Bytes,
+                                                     (header.Offset + MacFields.Address1Position + (MacFields.AddressLength * 3)));
+                }
+            }
+
+            /// <summary>
+            /// Sequence control field
+            /// </summary>
+            public SequenceControlField SequenceControl {get; set;}
+            
+            /// <summary>
+            /// Returns a string with a description of the addresses used in the packet.
+            /// This is used as a compoent of the string returned by ToString().
+            /// </summary>
+            /// <returns>
+            /// The address string.
+            /// </returns>
+            protected override String GetAddressString()
+            {
+                return String.Format("SA {0} DA {1} BSSID {2}",
+                                     SourceAddress, 
+                                     DestinationAddress, 
+                                     BssId);
+            }
+        } 
+    }
+
+}