windows-nt-4.0/private/ntos/srv/svcstats.c

/*++

Copyright (c) 1991  Microsoft Corporation

Module Name:

    svcstats.c

Abstract:

    This module contains routines for supporting the NetStatisticsGet.

Author:

    David Treadwell (davidtr) 12-Apr-1991

Revision History:

--*/

#include "precomp.h"
#pragma hdrstop

#ifdef ALLOC_PRAGMA
#pragma alloc_text( PAGE, SrvNetStatisticsGet )
#endif


NTSTATUS
SrvNetStatisticsGet (
    IN PSERVER_REQUEST_PACKET Srp,
    IN PVOID Buffer,
    IN ULONG BufferLength
    )

/*++

Routine Description:

    This routine processes the server half of NetStatisticsGet in
    the server FSD.

Arguments:

    Srp - a pointer to the server request packet that contains all
        the information necessary to satisfy the request.  This includes:

      INPUT:

        Flags - MBZ

      OUTPUT:

        Not used.

    Buffer - a pointer to a STAT_SERVER_0 structure for the new share.

    BufferLength - total length of this buffer.

Return Value:

    NTSTATUS - result of operation to return to the server service.

--*/

{
    SRV_STATISTICS capturedStats;
    PSTAT_SERVER_0 sts0 = Buffer;

    PAGED_CODE( );

    //
    // Make sure that the user's buffer is large enough.
    //

    if ( BufferLength < sizeof(STAT_SERVER_0) ) {
        Srp->ErrorCode = NERR_BufTooSmall;
        return STATUS_SUCCESS;
    }

    //
    // Indicate in the SRP that we read one stucture.  We always read
    // exactly one structure for this API.
    //

    Srp->Parameters.Get.EntriesRead = 1;

    //
    // Get a copy of the latest server statistics.
    //

    SrvUpdateStatisticsFromQueues( &capturedStats );

    //
    // Fill in the fields in the statistics structure.
    //

    RtlTimeToSecondsSince1970(
        &capturedStats.StatisticsStartTime,
        &sts0->sts0_start
        );

    sts0->sts0_fopens = capturedStats.TotalFilesOpened;
    sts0->sts0_devopens = 0;
    sts0->sts0_jobsqueued = 0;
    sts0->sts0_sopens = capturedStats.CurrentNumberOfSessions;
    sts0->sts0_stimedout = capturedStats.SessionsTimedOut;
    sts0->sts0_serrorout = capturedStats.SessionsErroredOut;
    sts0->sts0_pwerrors = capturedStats.LogonErrors;
    sts0->sts0_permerrors = capturedStats.AccessPermissionErrors;
    sts0->sts0_syserrors = capturedStats.SystemErrors;
    sts0->sts0_bytessent_low = capturedStats.TotalBytesSent.LowPart;
    sts0->sts0_bytessent_high = capturedStats.TotalBytesSent.HighPart;
    sts0->sts0_bytesrcvd_low = capturedStats.TotalBytesReceived.LowPart;
    sts0->sts0_bytesrcvd_high = capturedStats.TotalBytesReceived.HighPart;

    //
    // Calculate the average response time by finding the total number
    // of SMBs we have received, the total time we have spent processing
    // them, and dividing to get the average.
    //

    sts0->sts0_avresponse = 0;

    //
    // Since we autotune the buffer counts, we never say that we had to
    // add more of them.  These are supposed to flag an admin that
    // parameters need adjustment, but we do it ourselves.
    //
    // !!! We probably won't really autotune them!

    sts0->sts0_reqbufneed = 0;
    sts0->sts0_bigbufneed = 0;

    return STATUS_SUCCESS;

} // SrvNetStatisticsGet