content: /* jcifs smb client library in Java
   * Copyright (C) 2000  "Michael B. Allen" <jcifs at samba dot org>
   * 
   * 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
   */
  
  package jcifs.internal.smb1.trans2;
  
  
  import jcifs.Configuration;
  import jcifs.internal.fscc.FileSystemInformation;
  import jcifs.internal.smb1.trans.SmbComTransaction;
  import jcifs.internal.util.SMBUtil;
  import jcifs.util.Hexdump;
  
  
  /**
   * 
   */
  public class Trans2QueryFSInformation extends SmbComTransaction {
  
      private int informationLevel;
  
  
      /**
       * 
       * @param config
       * @param informationLevel
       */
      public Trans2QueryFSInformation ( Configuration config, int informationLevel ) {
          super(config, SMB_COM_TRANSACTION2, TRANS2_QUERY_FS_INFORMATION);
          this.informationLevel = informationLevel;
          this.totalParameterCount = 2;
          this.totalDataCount = 0;
          this.maxParameterCount = 0;
          this.maxDataCount = 800;
          this.maxSetupCount = 0;
      }
  
  
      @Override
      protected int writeSetupWireFormat ( byte[] dst, int dstIndex ) {
          dst[ dstIndex++ ] = this.getSubCommand();
          dst[ dstIndex++ ] = (byte) 0x00;
          return 2;
      }
  
  
      @Override
      protected int writeParametersWireFormat ( byte[] dst, int dstIndex ) {
          int start = dstIndex;
  
          SMBUtil.writeInt2(mapInformationLevel(this.informationLevel), dst, dstIndex);
          dstIndex += 2;
  
          /*
           * windows98 has what appears to be another 4 0's followed by the share
           * name as a zero terminated ascii string "\TMP" + '\0'
           *
           * As is this works, but it deviates from the spec section 4.1.6.6 but
           * maybe I should put it in. Wonder what NT does?
           */
  
          return dstIndex - start;
      }
  
  
      /**
       * @param il
       * @return
       */
      private static int mapInformationLevel ( int il ) {
          switch ( il ) {
          case FileSystemInformation.SMB_INFO_ALLOCATION:
              return 0x1;
          case FileSystemInformation.FS_SIZE_INFO:
              return 0x103;
          }
          throw new IllegalArgumentException("Unhandled information level");
      }
  
  
      @Override
      protected int writeDataWireFormat ( byte[] dst, int dstIndex ) {
          return 0;
      }
  
  
      @Override
      protected int readSetupWireFormat ( byte[] buffer, int bufferIndex, int len ) {
          return 0;
      }
  
  
      @Override
      protected int readParametersWireFormat ( byte[] buffer, int bufferIndex, int len ) {
          return 0;
      }
  
  
      @Override
      protected int readDataWireFormat ( byte[] buffer, int bufferIndex, int len ) {
          return 0;
      }
  
  
      @Override
      public String toString () {
          return new String(
              "Trans2QueryFSInformation[" + super.toString() + ",informationLevel=0x" + Hexdump.toHexString(this.informationLevel, 3) + "]");
      }
  }
  