update sharpcifs

1 files changed, 381 insertions, 426 deletions

diff --git a/Emby.Common.Implementations/IO/SharpCifs/Netbios/NameServicePacket.cs b/Emby.Common.Implementations/IO/SharpCifs/Netbios/NameServicePacket.cs
index 1ac258a4e..28e98406e 100644
--- a/Emby.Common.Implementations/IO/SharpCifs/Netbios/NameServicePacket.cs
+++ b/Emby.Common.Implementations/IO/SharpCifs/Netbios/NameServicePacket.cs
@@ -20,474 +20,429 @@ using SharpCifs.Util.Sharpen;
 
 namespace SharpCifs.Netbios
 {
-    internal abstract class NameServicePacket
-    {
-        internal const int Query = 0;
+	internal abstract class NameServicePacket
+	{
+		internal const int Query = 0;
 
-        internal const int Wack = 7;
+		internal const int Wack = 7;
 
-        internal const int FmtErr = 0x1;
+		internal const int FmtErr = 0x1;
 
-        internal const int SrvErr = 0x2;
+		internal const int SrvErr = 0x2;
 
-        internal const int ImpErr = 0x4;
+		internal const int ImpErr = 0x4;
 
-        internal const int RfsErr = 0x5;
+	    internal const int RfsErr = 0x5;
 
-        internal const int ActErr = 0x6;
+		internal const int ActErr = 0x6;
 
-        internal const int CftErr = 0x7;
+		internal const int CftErr = 0x7;
 
-        internal const int NbIn = 0x00200001;
+		internal const int NbIn = 0x00200001;
 
-        internal const int NbstatIn = 0x00210001;
+		internal const int NbstatIn = 0x00210001;
 
-        internal const int Nb = 0x0020;
+		internal const int Nb = 0x0020;
 
-        internal const int Nbstat = 0x0021;
+		internal const int Nbstat = 0x0021;
 
-        internal const int In = 0x0001;
+		internal const int In = 0x0001;
 
-        internal const int A = 0x0001;
+		internal const int A = 0x0001;
 
-        internal const int Ns = 0x0002;
+		internal const int Ns = 0x0002;
 
-        internal const int Null = 0x000a;
+		internal const int Null = 0x000a;
 
-        internal const int HeaderLength = 12;
+		internal const int HeaderLength = 12;
 
-        internal const int OpcodeOffset = 2;
+		internal const int OpcodeOffset = 2;
 
-        internal const int QuestionOffset = 4;
+		internal const int QuestionOffset = 4;
 
-        internal const int AnswerOffset = 6;
+		internal const int AnswerOffset = 6;
 
-        internal const int AuthorityOffset = 8;
+		internal const int AuthorityOffset = 8;
 
-        internal const int AdditionalOffset = 10;
+		internal const int AdditionalOffset = 10;
 
-        // opcode
-        // rcode
-        // type/class
-        // header field offsets
-        internal static void WriteInt2(int val, byte[] dst, int dstIndex)
-        {
-            dst[dstIndex++] = unchecked((byte)((val >> 8) & unchecked(0xFF)));
-            dst[dstIndex] = unchecked((byte)(val & unchecked(0xFF)));
-        }
+		// opcode
+		// rcode
+		// type/class
+		// header field offsets
+		internal static void WriteInt2(int val, byte[] dst, int dstIndex)
+		{
+			dst[dstIndex++] = unchecked((byte)((val >> 8) & unchecked(0xFF)));
+			dst[dstIndex] = unchecked((byte)(val & unchecked(0xFF)));
+		}
 
-        internal static void WriteInt4(int val, byte[] dst, int dstIndex)
-        {
-            dst[dstIndex++] = unchecked((byte)((val >> 24) & unchecked(0xFF)));
-            dst[dstIndex++] = unchecked((byte)((val >> 16) & unchecked(0xFF)));
-            dst[dstIndex++] = unchecked((byte)((val >> 8) & unchecked(0xFF)));
-            dst[dstIndex] = unchecked((byte)(val & unchecked(0xFF)));
-        }
+		internal static void WriteInt4(int val, byte[] dst, int dstIndex)
+		{
+			dst[dstIndex++] = unchecked((byte)((val >> 24) & unchecked(0xFF)));
+			dst[dstIndex++] = unchecked((byte)((val >> 16) & unchecked(0xFF)));
+			dst[dstIndex++] = unchecked((byte)((val >> 8) & unchecked(0xFF)));
+			dst[dstIndex] = unchecked((byte)(val & unchecked(0xFF)));
+		}
 
-        internal static int ReadInt2(byte[] src, int srcIndex)
-        {
-            return ((src[srcIndex] & unchecked(0xFF)) << 8) + (src[srcIndex + 1] & unchecked(
-                0xFF));
-        }
+		internal static int ReadInt2(byte[] src, int srcIndex)
+		{
+			return ((src[srcIndex] & unchecked(0xFF)) << 8) + (src[srcIndex + 1] & unchecked(
+				0xFF));
+		}
 
-        internal static int ReadInt4(byte[] src, int srcIndex)
-        {
-            return ((src[srcIndex] & unchecked(0xFF)) << 24)
-                    + ((src[srcIndex + 1] & unchecked(0xFF)) << 16)
-                    + ((src[srcIndex + 2] & unchecked(0xFF)) << 8)
-                    + (src[srcIndex + 3] & unchecked(0xFF));
-        }
+		internal static int ReadInt4(byte[] src, int srcIndex)
+		{
+			return ((src[srcIndex] & unchecked(0xFF)) << 24) + ((src[srcIndex + 1] & unchecked(
+				0xFF)) << 16) + ((src[srcIndex + 2] & unchecked(0xFF)) << 8) + (src
+				[srcIndex + 3] & unchecked(0xFF));
+		}
 
-        internal static int ReadNameTrnId(byte[] src, int srcIndex)
-        {
-            return ReadInt2(src, srcIndex);
-        }
+		internal static int ReadNameTrnId(byte[] src, int srcIndex)
+		{
+			return ReadInt2(src, srcIndex);
+		}
 
-        internal int AddrIndex;
+		internal int AddrIndex;
 
-        internal NbtAddress[] AddrEntry;
+		internal NbtAddress[] AddrEntry;
 
-        internal int NameTrnId;
+		internal int NameTrnId;
 
-        internal int OpCode;
+		internal int OpCode;
 
-        internal int ResultCode;
+		internal int ResultCode;
 
-        internal int QuestionCount;
+		internal int QuestionCount;
 
-        internal int AnswerCount;
+		internal int AnswerCount;
 
-        internal int AuthorityCount;
+		internal int AuthorityCount;
 
-        internal int AdditionalCount;
+		internal int AdditionalCount;
 
-        internal bool Received;
+		internal bool Received;
 
-        internal bool IsResponse;
+		internal bool IsResponse;
 
-        internal bool IsAuthAnswer;
+		internal bool IsAuthAnswer;
 
-        internal bool IsTruncated;
+		internal bool IsTruncated;
 
-        internal bool IsRecurDesired;
+		internal bool IsRecurDesired;
 
-        internal bool IsRecurAvailable;
+		internal bool IsRecurAvailable;
 
-        internal bool IsBroadcast;
+		internal bool IsBroadcast;
 
-        internal Name QuestionName;
+		internal Name QuestionName;
 
-        internal Name RecordName;
-
-        internal int QuestionType;
-
-        internal int QuestionClass;
-
-        internal int RecordType;
-
-        internal int RecordClass;
-
-        internal int Ttl;
-
-        internal int RDataLength;
-
-        internal IPAddress Addr;
-
-        public NameServicePacket()
-        {
-            IsRecurDesired = true;
-            IsBroadcast = true;
-            QuestionCount = 1;
-            QuestionClass = In;
-        }
-
-        internal virtual int WriteWireFormat(byte[] dst, int dstIndex)
-        {
-            int start = dstIndex;
-            dstIndex += WriteHeaderWireFormat(dst, dstIndex);
-            dstIndex += WriteBodyWireFormat(dst, dstIndex);
-            return dstIndex - start;
-        }
-
-        internal virtual int ReadWireFormat(byte[] src, int srcIndex)
-        {
-            int start = srcIndex;
-            srcIndex += ReadHeaderWireFormat(src, srcIndex);
-            srcIndex += ReadBodyWireFormat(src, srcIndex);
-            return srcIndex - start;
-        }
-
-        internal virtual int WriteHeaderWireFormat(byte[] dst, int dstIndex)
-        {
-            int start = dstIndex;
-            WriteInt2(NameTrnId, dst, dstIndex);
-            dst[dstIndex + OpcodeOffset] = unchecked(
-                (byte)(
-                    (IsResponse
-                        ? unchecked(0x80)
-                        : unchecked(0x00))
-                    + ((OpCode << 3) & unchecked(0x78))
-                    + (IsAuthAnswer
-                        ? unchecked(0x04)
-                        : unchecked(0x00))
-                    + (IsTruncated
-                        ? unchecked(0x02)
-                        : unchecked(0x00))
-                    + (IsRecurDesired
-                        ? unchecked(0x01)
-                        : unchecked(0x00))
-                )
-            );
-            dst[dstIndex + OpcodeOffset + 1] = unchecked(
-                (byte)(
-                    (IsRecurAvailable
-                        ? unchecked(0x80)
-                        : unchecked(0x00))
-                    + (IsBroadcast
-                        ? unchecked(0x10)
-                        : unchecked(0x00))
-                    + (ResultCode & unchecked(0x0F))
-                )
-            );
-            WriteInt2(QuestionCount, dst, start + QuestionOffset);
-            WriteInt2(AnswerCount, dst, start + AnswerOffset);
-            WriteInt2(AuthorityCount, dst, start + AuthorityOffset);
-            WriteInt2(AdditionalCount, dst, start + AdditionalOffset);
-            return HeaderLength;
-        }
-
-        internal virtual int ReadHeaderWireFormat(byte[] src, int srcIndex)
-        {
-            NameTrnId = ReadInt2(src, srcIndex);
-
-            IsResponse = ((src[srcIndex + OpcodeOffset] & unchecked(0x80)) == 0)
-                            ? false
-                            : true;
-            OpCode = (src[srcIndex + OpcodeOffset] & unchecked(0x78)) >> 3;
-            IsAuthAnswer = ((src[srcIndex + OpcodeOffset] & unchecked(0x04)) == 0)
-                            ? false
-                            : true;
-            IsTruncated = ((src[srcIndex + OpcodeOffset] & unchecked(0x02)) == 0)
-                            ? false
-                            : true;
-            IsRecurDesired = ((src[srcIndex + OpcodeOffset] & unchecked(0x01)) == 0)
-                            ? false
-                            : true;
-            IsRecurAvailable = ((src[srcIndex + OpcodeOffset + 1] & unchecked(0x80)) == 0)
-                            ? false
-                            : true;
-            IsBroadcast = ((src[srcIndex + OpcodeOffset + 1] & unchecked(0x10)) == 0)
-                            ? false
-                            : true;
-            ResultCode = src[srcIndex + OpcodeOffset + 1] & unchecked(0x0F);
-            QuestionCount = ReadInt2(src, srcIndex + QuestionOffset);
-            AnswerCount = ReadInt2(src, srcIndex + AnswerOffset);
-            AuthorityCount = ReadInt2(src, srcIndex + AuthorityOffset);
-            AdditionalCount = ReadInt2(src, srcIndex + AdditionalOffset);
-            return HeaderLength;
-        }
-
-        internal virtual int WriteQuestionSectionWireFormat(byte[] dst, int dstIndex)
-        {
-            int start = dstIndex;
-            dstIndex += QuestionName.WriteWireFormat(dst, dstIndex);
-            WriteInt2(QuestionType, dst, dstIndex);
-            dstIndex += 2;
-            WriteInt2(QuestionClass, dst, dstIndex);
-            dstIndex += 2;
-            return dstIndex - start;
-        }
-
-        internal virtual int ReadQuestionSectionWireFormat(byte[] src, int srcIndex)
-        {
-            int start = srcIndex;
-            srcIndex += QuestionName.ReadWireFormat(src, srcIndex);
-            QuestionType = ReadInt2(src, srcIndex);
-            srcIndex += 2;
-            QuestionClass = ReadInt2(src, srcIndex);
-            srcIndex += 2;
-            return srcIndex - start;
-        }
-
-        internal virtual int WriteResourceRecordWireFormat(byte[] dst, int dstIndex)
-        {
-            int start = dstIndex;
-            if (RecordName == QuestionName)
-            {
-                dst[dstIndex++] = unchecked(unchecked(0xC0));
-                // label string pointer to
-                dst[dstIndex++] = unchecked(unchecked(0x0C));
-            }
-            else
-            {
-                // questionName (offset 12)
-                dstIndex += RecordName.WriteWireFormat(dst, dstIndex);
-            }
-            WriteInt2(RecordType, dst, dstIndex);
-            dstIndex += 2;
-            WriteInt2(RecordClass, dst, dstIndex);
-            dstIndex += 2;
-            WriteInt4(Ttl, dst, dstIndex);
-            dstIndex += 4;
-            RDataLength = WriteRDataWireFormat(dst, dstIndex + 2);
-            WriteInt2(RDataLength, dst, dstIndex);
-            dstIndex += 2 + RDataLength;
-            return dstIndex - start;
-        }
-
-        internal virtual int ReadResourceRecordWireFormat(byte[] src, int srcIndex)
-        {
-            int start = srcIndex;
-            int end;
-            if ((src[srcIndex] & unchecked(0xC0)) == unchecked(0xC0))
-            {
-                RecordName = QuestionName;
-                // label string pointer to questionName
-                srcIndex += 2;
-            }
-            else
-            {
-                srcIndex += RecordName.ReadWireFormat(src, srcIndex);
-            }
-            RecordType = ReadInt2(src, srcIndex);
-            srcIndex += 2;
-            RecordClass = ReadInt2(src, srcIndex);
-            srcIndex += 2;
-            Ttl = ReadInt4(src, srcIndex);
-            srcIndex += 4;
-            RDataLength = ReadInt2(src, srcIndex);
-            srcIndex += 2;
-            AddrEntry = new NbtAddress[RDataLength / 6];
-            end = srcIndex + RDataLength;
-            for (AddrIndex = 0; srcIndex < end; AddrIndex++)
-            {
-                srcIndex += ReadRDataWireFormat(src, srcIndex);
-            }
-            return srcIndex - start;
-        }
-
-        internal abstract int WriteBodyWireFormat(byte[] dst, int dstIndex);
-
-        internal abstract int ReadBodyWireFormat(byte[] src, int srcIndex);
-
-        internal abstract int WriteRDataWireFormat(byte[] dst, int dstIndex);
-
-        internal abstract int ReadRDataWireFormat(byte[] src, int srcIndex);
-
-        public override string ToString()
-        {
-            string opCodeString;
-            string resultCodeString;
-            string questionTypeString;
-            string recordTypeString;
-
-            switch (OpCode)
-            {
-                case Query:
-                    {
-                        opCodeString = "QUERY";
-                        break;
-                    }
-
-                case Wack:
-                    {
-                        opCodeString = "WACK";
-                        break;
-                    }
-
-                default:
-                    {
-                        opCodeString = Extensions.ToString(OpCode);
-                        break;
-                    }
-            }
-            switch (ResultCode)
-            {
-                case FmtErr:
-                    {
-                        resultCodeString = "FMT_ERR";
-                        break;
-                    }
-
-                case SrvErr:
-                    {
-                        resultCodeString = "SRV_ERR";
-                        break;
-                    }
-
-                case ImpErr:
-                    {
-                        resultCodeString = "IMP_ERR";
-                        break;
-                    }
-
-                case RfsErr:
-                    {
-                        resultCodeString = "RFS_ERR";
-                        break;
-                    }
-
-                case ActErr:
-                    {
-                        resultCodeString = "ACT_ERR";
-                        break;
-                    }
-
-                case CftErr:
-                    {
-                        resultCodeString = "CFT_ERR";
-                        break;
-                    }
-
-                default:
-                    {
-                        resultCodeString = "0x" + Hexdump.ToHexString(ResultCode, 1);
-                        break;
-                    }
-            }
-            switch (QuestionType)
-            {
-                case Nb:
-                    {
-                        questionTypeString = "NB";
-                        break;
-                    }
-
-                case Nbstat:
-                    {
-                        questionTypeString = "NBSTAT";
-                        break;
-                    }
-
-                default:
-                    {
-                        questionTypeString = "0x" + Hexdump.ToHexString(QuestionType, 4);
-                        break;
-                    }
-            }
-            switch (RecordType)
-            {
-                case A:
-                    {
-                        recordTypeString = "A";
-                        break;
-                    }
-
-                case Ns:
-                    {
-                        recordTypeString = "NS";
-                        break;
-                    }
-
-                case Null:
-                    {
-                        recordTypeString = "NULL";
-                        break;
-                    }
-
-                case Nb:
-                    {
-                        recordTypeString = "NB";
-                        break;
-                    }
-
-                case Nbstat:
-                    {
-                        recordTypeString = "NBSTAT";
-                        break;
-                    }
-
-                default:
-                    {
-                        recordTypeString = "0x" + Hexdump.ToHexString(RecordType, 4);
-                        break;
-                    }
-            }
-            return "nameTrnId=" + NameTrnId
-                    + ",isResponse=" + IsResponse
-                    + ",opCode=" + opCodeString
-                    + ",isAuthAnswer=" + IsAuthAnswer
-                    + ",isTruncated=" + IsTruncated
-                    + ",isRecurAvailable=" + IsRecurAvailable
-                    + ",isRecurDesired=" + IsRecurDesired
-                    + ",isBroadcast=" + IsBroadcast
-                    + ",resultCode=" + ResultCode
-                    + ",questionCount=" + QuestionCount
-                    + ",answerCount=" + AnswerCount
-                    + ",authorityCount=" + AuthorityCount
-                    + ",additionalCount=" + AdditionalCount
-                    + ",questionName=" + QuestionName
-                    + ",questionType=" + questionTypeString
-                    + ",questionClass=" + (QuestionClass == In
-                                            ? "IN"
-                                            : "0x" + Hexdump.ToHexString(QuestionClass, 4))
-                    + ",recordName=" + RecordName
-                    + ",recordType=" + recordTypeString
-                    + ",recordClass=" + (RecordClass == In
-                                            ? "IN"
-                                            : "0x" + Hexdump.ToHexString(RecordClass, 4))
-                    + ",ttl=" + Ttl
-                    + ",rDataLength=" + RDataLength;
-        }
-    }
+		internal Name RecordName;
+
+		internal int QuestionType;
+
+		internal int QuestionClass;
+
+		internal int RecordType;
+
+		internal int RecordClass;
+
+		internal int Ttl;
+
+		internal int RDataLength;
+
+		internal IPAddress Addr;
+
+		public NameServicePacket()
+		{
+			IsRecurDesired = true;
+			IsBroadcast = true;
+			QuestionCount = 1;
+			QuestionClass = In;
+		}
+
+		internal virtual int WriteWireFormat(byte[] dst, int dstIndex)
+		{
+			int start = dstIndex;
+			dstIndex += WriteHeaderWireFormat(dst, dstIndex);
+			dstIndex += WriteBodyWireFormat(dst, dstIndex);
+			return dstIndex - start;
+		}
+
+		internal virtual int ReadWireFormat(byte[] src, int srcIndex)
+		{
+			int start = srcIndex;
+			srcIndex += ReadHeaderWireFormat(src, srcIndex);
+			srcIndex += ReadBodyWireFormat(src, srcIndex);
+			return srcIndex - start;
+		}
+
+		internal virtual int WriteHeaderWireFormat(byte[] dst, int dstIndex)
+		{
+			int start = dstIndex;
+			WriteInt2(NameTrnId, dst, dstIndex);
+			dst[dstIndex + OpcodeOffset] = unchecked((byte)((IsResponse ? unchecked(0x80) : unchecked(0x00)) + ((OpCode << 3) & unchecked(0x78)) + (IsAuthAnswer
+				 ? unchecked(0x04) : unchecked(0x00)) + (IsTruncated ? unchecked(0x02) : unchecked(0x00)) + (IsRecurDesired ? unchecked(0x01)
+				 : unchecked(0x00))));
+			dst[dstIndex + OpcodeOffset + 1] = unchecked((byte)((IsRecurAvailable ? unchecked(
+				0x80) : unchecked(0x00)) + (IsBroadcast ? unchecked(0x10) : 
+				unchecked(0x00)) + (ResultCode & unchecked(0x0F))));
+			WriteInt2(QuestionCount, dst, start + QuestionOffset);
+			WriteInt2(AnswerCount, dst, start + AnswerOffset);
+			WriteInt2(AuthorityCount, dst, start + AuthorityOffset);
+			WriteInt2(AdditionalCount, dst, start + AdditionalOffset);
+			return HeaderLength;
+		}
+
+		internal virtual int ReadHeaderWireFormat(byte[] src, int srcIndex)
+		{
+			NameTrnId = ReadInt2(src, srcIndex);
+			IsResponse = ((src[srcIndex + OpcodeOffset] & unchecked(0x80)) == 0) ? false
+				 : true;
+			OpCode = (src[srcIndex + OpcodeOffset] & unchecked(0x78)) >> 3;
+			IsAuthAnswer = ((src[srcIndex + OpcodeOffset] & unchecked(0x04)) == 0) ? 
+				false : true;
+			IsTruncated = ((src[srcIndex + OpcodeOffset] & unchecked(0x02)) == 0) ? false
+				 : true;
+			IsRecurDesired = ((src[srcIndex + OpcodeOffset] & unchecked(0x01)) == 0) ? 
+				false : true;
+			IsRecurAvailable = ((src[srcIndex + OpcodeOffset + 1] & unchecked(0x80)) 
+				== 0) ? false : true;
+			IsBroadcast = ((src[srcIndex + OpcodeOffset + 1] & unchecked(0x10)) == 0)
+				 ? false : true;
+			ResultCode = src[srcIndex + OpcodeOffset + 1] & unchecked(0x0F);
+			QuestionCount = ReadInt2(src, srcIndex + QuestionOffset);
+			AnswerCount = ReadInt2(src, srcIndex + AnswerOffset);
+			AuthorityCount = ReadInt2(src, srcIndex + AuthorityOffset);
+			AdditionalCount = ReadInt2(src, srcIndex + AdditionalOffset);
+			return HeaderLength;
+		}
+
+		internal virtual int WriteQuestionSectionWireFormat(byte[] dst, int dstIndex)
+		{
+			int start = dstIndex;
+			dstIndex += QuestionName.WriteWireFormat(dst, dstIndex);
+			WriteInt2(QuestionType, dst, dstIndex);
+			dstIndex += 2;
+			WriteInt2(QuestionClass, dst, dstIndex);
+			dstIndex += 2;
+			return dstIndex - start;
+		}
+
+		internal virtual int ReadQuestionSectionWireFormat(byte[] src, int srcIndex)
+		{
+			int start = srcIndex;
+			srcIndex += QuestionName.ReadWireFormat(src, srcIndex);
+			QuestionType = ReadInt2(src, srcIndex);
+			srcIndex += 2;
+			QuestionClass = ReadInt2(src, srcIndex);
+			srcIndex += 2;
+			return srcIndex - start;
+		}
+
+		internal virtual int WriteResourceRecordWireFormat(byte[] dst, int dstIndex)
+		{
+			int start = dstIndex;
+			if (RecordName == QuestionName)
+			{
+				dst[dstIndex++] = unchecked(unchecked(0xC0));
+				// label string pointer to
+				dst[dstIndex++] = unchecked(unchecked(0x0C));
+			}
+			else
+			{
+				// questionName (offset 12)
+				dstIndex += RecordName.WriteWireFormat(dst, dstIndex);
+			}
+			WriteInt2(RecordType, dst, dstIndex);
+			dstIndex += 2;
+			WriteInt2(RecordClass, dst, dstIndex);
+			dstIndex += 2;
+			WriteInt4(Ttl, dst, dstIndex);
+			dstIndex += 4;
+			RDataLength = WriteRDataWireFormat(dst, dstIndex + 2);
+			WriteInt2(RDataLength, dst, dstIndex);
+			dstIndex += 2 + RDataLength;
+			return dstIndex - start;
+		}
+
+		internal virtual int ReadResourceRecordWireFormat(byte[] src, int srcIndex)
+		{
+			int start = srcIndex;
+			int end;
+			if ((src[srcIndex] & unchecked(0xC0)) == unchecked(0xC0))
+			{
+				RecordName = QuestionName;
+				// label string pointer to questionName
+				srcIndex += 2;
+			}
+			else
+			{
+				srcIndex += RecordName.ReadWireFormat(src, srcIndex);
+			}
+			RecordType = ReadInt2(src, srcIndex);
+			srcIndex += 2;
+			RecordClass = ReadInt2(src, srcIndex);
+			srcIndex += 2;
+			Ttl = ReadInt4(src, srcIndex);
+			srcIndex += 4;
+			RDataLength = ReadInt2(src, srcIndex);
+			srcIndex += 2;
+			AddrEntry = new NbtAddress[RDataLength / 6];
+			end = srcIndex + RDataLength;
+			for (AddrIndex = 0; srcIndex < end; AddrIndex++)
+			{
+				srcIndex += ReadRDataWireFormat(src, srcIndex);
+			}
+			return srcIndex - start;
+		}
+
+		internal abstract int WriteBodyWireFormat(byte[] dst, int dstIndex);
+
+		internal abstract int ReadBodyWireFormat(byte[] src, int srcIndex);
+
+		internal abstract int WriteRDataWireFormat(byte[] dst, int dstIndex);
+
+		internal abstract int ReadRDataWireFormat(byte[] src, int srcIndex);
+
+		public override string ToString()
+		{
+			string opCodeString;
+			string resultCodeString;
+			string questionTypeString;
+			string recordTypeString;
+
+			switch (OpCode)
+			{
+				case Query:
+				{
+					opCodeString = "QUERY";
+					break;
+				}
+
+				case Wack:
+				{
+					opCodeString = "WACK";
+					break;
+				}
+
+				default:
+				{
+					opCodeString = Extensions.ToString(OpCode);
+					break;
+				}
+			}
+			switch (ResultCode)
+			{
+				case FmtErr:
+				{
+					resultCodeString = "FMT_ERR";
+					break;
+				}
+
+				case SrvErr:
+				{
+					resultCodeString = "SRV_ERR";
+					break;
+				}
+
+				case ImpErr:
+				{
+					resultCodeString = "IMP_ERR";
+					break;
+				}
+
+				case RfsErr:
+				{
+					resultCodeString = "RFS_ERR";
+					break;
+				}
+
+				case ActErr:
+				{
+					resultCodeString = "ACT_ERR";
+					break;
+				}
+
+				case CftErr:
+				{
+					resultCodeString = "CFT_ERR";
+					break;
+				}
+
+				default:
+				{
+					resultCodeString = "0x" + Hexdump.ToHexString(ResultCode, 1);
+					break;
+				}
+			}
+			switch (QuestionType)
+			{
+				case Nb:
+				{
+					questionTypeString = "NB";
+					break;
+				}
+
+				case Nbstat:
+				{
+					questionTypeString = "NBSTAT";
+					break;
+				}
+
+				default:
+				{
+					questionTypeString = "0x" + Hexdump.ToHexString(QuestionType, 4);
+					break;
+				}
+			}
+			switch (RecordType)
+			{
+				case A:
+				{
+					recordTypeString = "A";
+					break;
+				}
+
+				case Ns:
+				{
+					recordTypeString = "NS";
+					break;
+				}
+
+				case Null:
+				{
+					recordTypeString = "NULL";
+					break;
+				}
+
+				case Nb:
+				{
+					recordTypeString = "NB";
+					break;
+				}
+
+				case Nbstat:
+				{
+					recordTypeString = "NBSTAT";
+					break;
+				}
+
+				default:
+				{
+					recordTypeString = "0x" + Hexdump.ToHexString(RecordType, 4);
+					break;
+				}
+			}
+			return "nameTrnId=" + NameTrnId + ",isResponse=" + IsResponse + ",opCode="
+				 + opCodeString + ",isAuthAnswer=" + IsAuthAnswer + ",isTruncated=" + IsTruncated
+				 + ",isRecurAvailable=" + IsRecurAvailable + ",isRecurDesired=" + IsRecurDesired
+				 + ",isBroadcast=" + IsBroadcast + ",resultCode=" + ResultCode + ",questionCount="
+				 + QuestionCount + ",answerCount=" + AnswerCount + ",authorityCount=" + AuthorityCount
+				 + ",additionalCount=" + AdditionalCount + ",questionName=" + QuestionName + ",questionType="
+				 + questionTypeString + ",questionClass=" + (QuestionClass == In ? "IN" : "0x" +
+				 Hexdump.ToHexString(QuestionClass, 4)) + ",recordName=" + RecordName + ",recordType="
+				 + recordTypeString + ",recordClass=" + (RecordClass == In ? "IN" : "0x" + Hexdump
+				.ToHexString(RecordClass, 4)) + ",ttl=" + Ttl + ",rDataLength=" + RDataLength;
+		}
+	}
 }