merge common implementations and server implementations

Emby.Server.Implementations/IO/SharpCifs/Smb/Trans2QueryFSInformationResponse.cs

@@ -0,0 +1,192 @@
+// This code is derived from jcifs smb client library <jcifs at samba dot org>
+// Ported by J. Arturo <webmaster at komodosoft dot net>
+//  
+// This library 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 2.1 of the License, or (at your option) any later version.
+// 
+// This library 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 this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+namespace SharpCifs.Smb
+{
+	internal class Trans2QueryFsInformationResponse : SmbComTransactionResponse
+	{
+		internal const int SMB_INFO_ALLOCATION = 1;
+
+		internal const int SmbQueryFsSizeInfo = unchecked(0x103);
+
+		internal const int SmbFsFullSizeInformation = 1007;
+
+		internal class SmbInfoAllocation : IAllocInfo
+		{
+			internal long Alloc;
+
+			internal long Free;
+
+			internal int SectPerAlloc;
+
+			internal int BytesPerSect;
+
+			// information levels
+			// Also handles SmbQueryFSSizeInfo
+			public virtual long GetCapacity()
+			{
+				return Alloc * SectPerAlloc * BytesPerSect;
+			}
+
+			public virtual long GetFree()
+			{
+				return Free * SectPerAlloc * BytesPerSect;
+			}
+
+			public override string ToString()
+			{
+				return "SmbInfoAllocation[" + "alloc=" + Alloc + ",free=" + Free + ",sectPerAlloc=" + SectPerAlloc + ",bytesPerSect=" + BytesPerSect
+					 + "]";
+			}
+
+			internal SmbInfoAllocation(Trans2QueryFsInformationResponse enclosing)
+			{
+				this._enclosing = enclosing;
+			}
+
+			private readonly Trans2QueryFsInformationResponse _enclosing;
+		}
+
+		private int _informationLevel;
+
+		internal IAllocInfo Info;
+
+		internal Trans2QueryFsInformationResponse(int informationLevel)
+		{
+			this._informationLevel = informationLevel;
+			Command = SmbComTransaction2;
+			SubCommand = Smb.SmbComTransaction.Trans2QueryFsInformation;
+		}
+
+		internal override int WriteSetupWireFormat(byte[] dst, int dstIndex)
+		{
+			return 0;
+		}
+
+		internal override int WriteParametersWireFormat(byte[] dst, int dstIndex)
+		{
+			return 0;
+		}
+
+		internal override int WriteDataWireFormat(byte[] dst, int dstIndex)
+		{
+			return 0;
+		}
+
+		internal override int ReadSetupWireFormat(byte[] buffer, int bufferIndex, int len
+			)
+		{
+			return 0;
+		}
+
+		internal override int ReadParametersWireFormat(byte[] buffer, int bufferIndex, int
+			 len)
+		{
+			return 0;
+		}
+
+		internal override int ReadDataWireFormat(byte[] buffer, int bufferIndex, int len)
+		{
+			switch (_informationLevel)
+			{
+				case SMB_INFO_ALLOCATION:
+				{
+					return ReadSmbInfoAllocationWireFormat(buffer, bufferIndex);
+				}
+
+				case SmbQueryFsSizeInfo:
+				{
+					return ReadSmbQueryFsSizeInfoWireFormat(buffer, bufferIndex);
+				}
+
+				case SmbFsFullSizeInformation:
+				{
+					return ReadFsFullSizeInformationWireFormat(buffer, bufferIndex);
+				}
+
+				default:
+				{
+					return 0;
+				}
+			}
+		}
+
+		internal virtual int ReadSmbInfoAllocationWireFormat(byte[] buffer, int bufferIndex
+			)
+		{
+			int start = bufferIndex;
+			SmbInfoAllocation info = new SmbInfoAllocation
+				(this);
+			bufferIndex += 4;
+			// skip idFileSystem
+			info.SectPerAlloc = ReadInt4(buffer, bufferIndex);
+			bufferIndex += 4;
+			info.Alloc = ReadInt4(buffer, bufferIndex);
+			bufferIndex += 4;
+			info.Free = ReadInt4(buffer, bufferIndex);
+			bufferIndex += 4;
+			info.BytesPerSect = ReadInt2(buffer, bufferIndex);
+			bufferIndex += 4;
+			this.Info = info;
+			return bufferIndex - start;
+		}
+
+		internal virtual int ReadSmbQueryFsSizeInfoWireFormat(byte[] buffer, int bufferIndex
+			)
+		{
+			int start = bufferIndex;
+			SmbInfoAllocation info = new SmbInfoAllocation
+				(this);
+			info.Alloc = ReadInt8(buffer, bufferIndex);
+			bufferIndex += 8;
+			info.Free = ReadInt8(buffer, bufferIndex);
+			bufferIndex += 8;
+			info.SectPerAlloc = ReadInt4(buffer, bufferIndex);
+			bufferIndex += 4;
+			info.BytesPerSect = ReadInt4(buffer, bufferIndex);
+			bufferIndex += 4;
+			this.Info = info;
+			return bufferIndex - start;
+		}
+
+		internal virtual int ReadFsFullSizeInformationWireFormat(byte[] buffer, int bufferIndex
+			)
+		{
+			int start = bufferIndex;
+			SmbInfoAllocation info = new SmbInfoAllocation
+				(this);
+			// Read total allocation units.
+			info.Alloc = ReadInt8(buffer, bufferIndex);
+			bufferIndex += 8;
+			// read caller available allocation units 
+			info.Free = ReadInt8(buffer, bufferIndex);
+			bufferIndex += 8;
+			// skip actual free units
+			bufferIndex += 8;
+			info.SectPerAlloc = ReadInt4(buffer, bufferIndex);
+			bufferIndex += 4;
+			info.BytesPerSect = ReadInt4(buffer, bufferIndex);
+			bufferIndex += 4;
+			this.Info = info;
+			return bufferIndex - start;
+		}
+
+		public override string ToString()
+		{
+			return "Trans2QueryFSInformationResponse[" + base.ToString() + "]";
+		}
+	}
+}