jellyfin-server/Emby.Common.Implementations/IO/SharpCifs/Smb/SmbComReadAndX.cs
2017-04-01 20:36:06 -04:00

108 lines
3.0 KiB
C#

// 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 SmbComReadAndX : AndXServerMessageBlock
{
private static readonly int BatchLimit = Config.GetInt("jcifs.smb.client.ReadAndX.Close"
, 1);
private long _offset;
private int _fid;
private int _openTimeout;
internal int MaxCount;
internal int MinCount;
internal int Remaining;
public SmbComReadAndX() : base(null)
{
Command = SmbComReadAndx;
_openTimeout = unchecked((int)(0xFFFFFFFF));
}
internal SmbComReadAndX(int fid, long offset, int maxCount, ServerMessageBlock andx
) : base(andx)
{
this._fid = fid;
this._offset = offset;
this.MaxCount = MinCount = maxCount;
Command = SmbComReadAndx;
_openTimeout = unchecked((int)(0xFFFFFFFF));
}
internal virtual void SetParam(int fid, long offset, int maxCount)
{
this._fid = fid;
this._offset = offset;
this.MaxCount = MinCount = maxCount;
}
internal override int GetBatchLimit(byte command)
{
return command == SmbComClose ? BatchLimit : 0;
}
internal override int WriteParameterWordsWireFormat(byte[] dst, int dstIndex)
{
int start = dstIndex;
WriteInt2(_fid, dst, dstIndex);
dstIndex += 2;
WriteInt4(_offset, dst, dstIndex);
dstIndex += 4;
WriteInt2(MaxCount, dst, dstIndex);
dstIndex += 2;
WriteInt2(MinCount, dst, dstIndex);
dstIndex += 2;
WriteInt4(_openTimeout, dst, dstIndex);
dstIndex += 4;
WriteInt2(Remaining, dst, dstIndex);
dstIndex += 2;
WriteInt4(_offset >> 32, dst, dstIndex);
dstIndex += 4;
return dstIndex - start;
}
internal override int WriteBytesWireFormat(byte[] dst, int dstIndex)
{
return 0;
}
internal override int ReadParameterWordsWireFormat(byte[] buffer, int bufferIndex
)
{
return 0;
}
internal override int ReadBytesWireFormat(byte[] buffer, int bufferIndex)
{
return 0;
}
public override string ToString()
{
return "SmbComReadAndX[" + base.ToString() + ",fid=" + _fid + ",offset="
+ _offset + ",maxCount=" + MaxCount + ",minCount=" + MinCount + ",openTimeout="
+ _openTimeout + ",remaining=" + Remaining + ",offset=" + _offset + "]";
}
}
}