jellyfin/Emby.Common.Implementations/IO/SharpCifs/Smb/Trans2FindNext2.cs

// 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
using SharpCifs.Util;

namespace SharpCifs.Smb
{
    internal class Trans2FindNext2 : SmbComTransaction
    {
        private int _sid;

        private int _informationLevel;

        private int _resumeKey;

        private int _flags;

        private string _filename;

        internal Trans2FindNext2(int sid, int resumeKey, string filename)
        {
            this._sid = sid;
            this._resumeKey = resumeKey;
            this._filename = filename;
            Command = SmbComTransaction2;
            SubCommand = Trans2FindNext2;
            _informationLevel = Smb.Trans2FindFirst2.SmbFileBothDirectoryInfo;
            _flags = unchecked(0x00);
            MaxParameterCount = 8;
            MaxDataCount = Smb.Trans2FindFirst2.ListSize;
            MaxSetupCount = 0;
        }

        internal override void Reset(int resumeKey, string lastName)
        {
            base.Reset();
            this._resumeKey = resumeKey;
            _filename = lastName;
            Flags2 = 0;
        }

        internal override int WriteSetupWireFormat(byte[] dst, int dstIndex)
        {
            dst[dstIndex++] = SubCommand;
            dst[dstIndex++] = unchecked(unchecked(0x00));
            return 2;
        }

        internal override int WriteParametersWireFormat(byte[] dst, int dstIndex)
        {
            int start = dstIndex;
            WriteInt2(_sid, dst, dstIndex);
            dstIndex += 2;
            WriteInt2(Smb.Trans2FindFirst2.ListCount, dst, dstIndex);
            dstIndex += 2;
            WriteInt2(_informationLevel, dst, dstIndex);
            dstIndex += 2;
            WriteInt4(_resumeKey, dst, dstIndex);
            dstIndex += 4;
            WriteInt2(_flags, dst, dstIndex);
            dstIndex += 2;
            dstIndex += WriteString(_filename, dst, dstIndex);
            return dstIndex - start;
        }

        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)
        {
            return 0;
        }

        public override string ToString()
        {
            return "Trans2FindNext2[" 
                        + base.ToString() 
                        + ",sid=" + _sid 
                        + ",searchCount=" + Smb.Trans2FindFirst2.ListSize 
                        + ",informationLevel=0x" + Hexdump.ToHexString(_informationLevel, 3) 
                        + ",resumeKey=0x" + Hexdump.ToHexString(_resumeKey, 4) 
                        + ",flags=0x" + Hexdump.ToHexString(_flags, 2) 
                        + ",filename=" + _filename + "]";
        }
    }
}