{******************************************************************************}
{                                                                              }
{ Lan Manager Statistics API interface Unit for Object Pascal                  }
{                                                                              }
{ Portions created by Microsoft are Copyright (C) 1995-2001 Microsoft          }
{ Corporation. All Rights Reserved.                                            }
{                                                                              }
{ The original file is: lmstats.h, released November 2001. The original Pascal }
{ code is: LmStats.pas, released Februari 2002. The initial developer of the   }
{ Pascal code is Marcel van Brakel (brakelm att chello dott nl).               }
{                                                                              }
{ Portions created by Marcel van Brakel are Copyright (C) 1999-2001            }
{ Marcel van Brakel. All Rights Reserved.                                      }
{                                                                              }
{ Obtained through: Joint Endeavour of Delphi Innovators (Project JEDI)        }
{                                                                              }
{ You may retrieve the latest version of this file at the Project JEDI         }
{ APILIB home page, located at http://jedi-apilib.sourceforge.net              }
{                                                                              }
{ The contents of this file are used with permission, subject to the Mozilla   }
{ Public License Version 1.1 (the "License"); you may not use this file except }
{ in compliance with the License. You may obtain a copy of the License at      }
{ http://www.mozilla.org/MPL/MPL-1.1.html                                      }
{                                                                              }
{ Software distributed under the License is distributed on an "AS IS" basis,   }
{ WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for }
{ the specific language governing rights and limitations under the License.    }
{                                                                              }
{ Alternatively, the contents of this file may be used under the terms of the  }
{ GNU Lesser General Public License (the  "LGPL License"), in which case the   }
{ provisions of the LGPL License are applicable instead of those above.        }
{ If you wish to allow use of your version of this file only under the terms   }
{ of the LGPL License and not to allow others to use your version of this file }
{ under the MPL, indicate your decision by deleting  the provisions above and  }
{ replace  them with the notice and other provisions required by the LGPL      }
{ License.  If you do not delete the provisions above, a recipient may use     }
{ your version of this file under either the MPL or the LGPL License.          }
{                                                                              }
{ For more information about the LGPL: http://www.gnu.org/copyleft/lesser.html }
{                                                                              }
{******************************************************************************}


unit JwaLmStats;

{$WEAKPACKAGEUNIT}

{$HPPEMIT ''}
{$HPPEMIT '#include "lmstats.h"'}
{$HPPEMIT ''}

{$I jediapilib.inc}

interface

uses
  JwaLmCons, JwaWinType;

//
// Function Prototypes - Statistics
//

function NetStatisticsGet(server: LMSTR; service: LMSTR; level: DWORD; options: DWORD; var bufptr: LPBYTE): NET_API_STATUS; stdcall;
{$EXTERNALSYM NetStatisticsGet}

//
// Data Structures - Statistics
//

{$IFDEF LM20_WORKSTATION_STATISTICS}

type
  _STAT_WORKSTATION_0 = record
    stw0_start: DWORD;
    stw0_numNCB_r: DWORD;
    stw0_numNCB_s: DWORD;
    stw0_numNCB_a: DWORD;
    stw0_fiNCB_r: DWORD;
    stw0_fiNCB_s: DWORD;
    stw0_fiNCB_a: DWORD;
    stw0_fcNCB_r: DWORD;
    stw0_fcNCB_s: DWORD;
    stw0_fcNCB_a: DWORD;
    stw0_sesstart: DWORD;
    stw0_sessfailcon: DWORD;
    stw0_sessbroke: DWORD;
    stw0_uses: DWORD;
    stw0_usefail: DWORD;
    stw0_autorec: DWORD;
    stw0_bytessent_r_lo: DWORD;
    stw0_bytessent_r_hi: DWORD;
    stw0_bytesrcvd_r_lo: DWORD;
    stw0_bytesrcvd_r_hi: DWORD;
    stw0_bytessent_s_lo: DWORD;
    stw0_bytessent_s_hi: DWORD;
    stw0_bytesrcvd_s_lo: DWORD;
    stw0_bytesrcvd_s_hi: DWORD;
    stw0_bytessent_a_lo: DWORD;
    stw0_bytessent_a_hi: DWORD;
    stw0_bytesrcvd_a_lo: DWORD;
    stw0_bytesrcvd_a_hi: DWORD;
    stw0_reqbufneed: DWORD;
    stw0_bigbufneed: DWORD;
  end;
  {$EXTERNALSYM _STAT_WORKSTATION_0}
  STAT_WORKSTATION_0 = _STAT_WORKSTATION_0;
  {$EXTERNALSYM STAT_WORKSTATION_0}
  PSTAT_WORKSTATION_0 = ^STAT_WORKSTATION_0;
  {$EXTERNALSYM PSTAT_WORKSTATION_0}
  LPSTAT_WORKSTATION_0 = ^STAT_WORKSTATION_0;
  {$EXTERNALSYM LPSTAT_WORKSTATION_0}
  TStatWorkstation0 = STAT_WORKSTATION_0;
  PStatWorkstation0 = PSTAT_WORKSTATION_0;

{$ELSE}

//
// NB: The following structure is REDIR_STATISTICS in sdk\inc\ntddnfs.h. If you
//     change the structure, change it in both places
//

type
  _STAT_WORKSTATION_0 = record
    StatisticsStartTime: LARGE_INTEGER;
    BytesReceived: LARGE_INTEGER;
    SmbsReceived: LARGE_INTEGER;
    PagingReadBytesRequested: LARGE_INTEGER;
    NonPagingReadBytesRequested: LARGE_INTEGER;
    CacheReadBytesRequested: LARGE_INTEGER;
    NetworkReadBytesRequested: LARGE_INTEGER;
    BytesTransmitted: LARGE_INTEGER;
    SmbsTransmitted: LARGE_INTEGER;
    PagingWriteBytesRequested: LARGE_INTEGER;
    NonPagingWriteBytesRequested: LARGE_INTEGER;
    CacheWriteBytesRequested: LARGE_INTEGER;
    NetworkWriteBytesRequested: LARGE_INTEGER;
    InitiallyFailedOperations: DWORD;
    FailedCompletionOperations: DWORD;
    ReadOperations: DWORD;
    RandomReadOperations: DWORD;
    ReadSmbs: DWORD;
    LargeReadSmbs: DWORD;
    SmallReadSmbs: DWORD;
    WriteOperations: DWORD;
    RandomWriteOperations: DWORD;
    WriteSmbs: DWORD;
    LargeWriteSmbs: DWORD;
    SmallWriteSmbs: DWORD;
    RawReadsDenied: DWORD;
    RawWritesDenied: DWORD;
    NetworkErrors: DWORD;
    //  Connection/Session counts
    Sessions: DWORD;
    FailedSessions: DWORD;
    Reconnects: DWORD;
    CoreConnects: DWORD;
    Lanman20Connects: DWORD;
    Lanman21Connects: DWORD;
    LanmanNtConnects: DWORD;
    ServerDisconnects: DWORD;
    HungSessions: DWORD;
    UseCount: DWORD;
    FailedUseCount: DWORD;
    //
    //  Queue Lengths (updates protected by RdrMpxTableSpinLock NOT
    //  RdrStatisticsSpinlock)
    //
    CurrentCommands: DWORD;
  end;
  {$EXTERNALSYM _STAT_WORKSTATION_0}
  STAT_WORKSTATION_0 = _STAT_WORKSTATION_0;
  {$EXTERNALSYM STAT_WORKSTATION_0}
  PSTAT_WORKSTATION_0 = ^STAT_WORKSTATION_0;
  {$EXTERNALSYM PSTAT_WORKSTATION_0}
  LPSTAT_WORKSTATION_0 = ^STAT_WORKSTATION_0;
  {$EXTERNALSYM LPSTAT_WORKSTATION_0}
  TStatWorkstation0 = STAT_WORKSTATION_0;
  PStatWorkstation0 = PSTAT_WORKSTATION_0;

{$ENDIF LM20_WORKSTATION_STATISTICS}

type
  _STAT_SERVER_0 = record
    sts0_start: DWORD;
    sts0_fopens: DWORD;
    sts0_devopens: DWORD;
    sts0_jobsqueued: DWORD;
    sts0_sopens: DWORD;
    sts0_stimedout: DWORD;
    sts0_serrorout: DWORD;
    sts0_pwerrors: DWORD;
    sts0_permerrors: DWORD;
    sts0_syserrors: DWORD;
    sts0_bytessent_low: DWORD;
    sts0_bytessent_high: DWORD;
    sts0_bytesrcvd_low: DWORD;
    sts0_bytesrcvd_high: DWORD;
    sts0_avresponse: DWORD;
    sts0_reqbufneed: DWORD;
    sts0_bigbufneed: DWORD;
  end;
  {$EXTERNALSYM _STAT_SERVER_0}
  STAT_SERVER_0 = _STAT_SERVER_0;
  {$EXTERNALSYM STAT_SERVER_0}
  PSTAT_SERVER_0 = ^STAT_SERVER_0;
  {$EXTERNALSYM PSTAT_SERVER_0}
  LPSTAT_SERVER_0 = ^STAT_SERVER_0;
  {$EXTERNALSYM LPSTAT_SERVER_0}
  TStatServer0 = STAT_SERVER_0;
  PStatServer0 = PSTAT_SERVER_0;

//
// Special Values and Constants
//

const
  STATSOPT_CLR   = 1;
  {$EXTERNALSYM STATSOPT_CLR}
  STATS_NO_VALUE = ULONG(-1);
  {$EXTERNALSYM STATS_NO_VALUE}
  STATS_OVERFLOW = ULONG(-2);
  {$EXTERNALSYM STATS_OVERFLOW}

implementation

{$IFDEF DYNAMIC_LINK}

var
  _NetStatisticsGet: Pointer;

function NetStatisticsGet;
begin
  GetProcedureAddress(_NetStatisticsGet, netapi32, 'NetStatisticsGet');
  asm
        MOV     ESP, EBP
        POP     EBP
        JMP     [_NetStatisticsGet]
  end;
end;

{$ELSE}

function NetStatisticsGet; external netapi32 name 'NetStatisticsGet';

{$ENDIF DYNAMIC_LINK}

end.