381 lines
9.1 KiB
C
381 lines
9.1 KiB
C
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/*++
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Copyright (c) 1995 Microsoft Corporation
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Module Name:
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netstats.c
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Abstract:
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This module reads the netcard statistics.
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Author:
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David Orbits (davidor) 22-March-1995
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Revision History:
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Rod Gamache (rodga) 10-May-1995
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Slight mods for using with Ethstat main program.
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--*/
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#include "ethstat.h"
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NTSTATUS
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ReadNetCardNames(
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IN OUT char DeviceNameString[],
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IN LONG DeviceNameLength
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);
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char *OidListName[] = {
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"OID_GEN_MEDIA_IN_USE",
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"OID_GEN_LINK_SPEED",
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"OID_GEN_XMIT_ERROR",
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"OID_GEN_RCV_ERROR",
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"OID_GEN_RCV_NO_BUFFER",
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"OID_GEN_DIRECTED_BYTES_XMIT",
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"OID_GEN_DIRECTED_FRAMES_XMIT",
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"OID_GEN_DIRECTED_BYTES_RCV",
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"OID_GEN_DIRECTED_FRAMES_RCV",
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"OID_GEN_MULTICAST_BYTES_XMIT",
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"OID_GEN_MULTICAST_FRAMES_XMIT",
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"OID_GEN_BROADCAST_BYTES_XMIT",
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"OID_GEN_BROADCAST_FRAMES_XMIT",
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"OID_GEN_MULTICAST_BYTES_RCV",
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"OID_GEN_MULTICAST_FRAMES_RCV",
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"OID_GEN_BROADCAST_BYTES_RCV",
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"OID_GEN_BROADCAST_FRAMES_RCV",
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"OID_GEN_RCV_CRC_ERROR",
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"OID_GEN_TRANSMIT_QUEUE_LENGTH",
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"OID_802_3_RCV_ERROR_ALIGNMENT",
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"OID_802_3_XMIT_ONE_COLLISION",
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"OID_802_3_XMIT_MORE_COLLISIONS",
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"OID_802_3_XMIT_DEFERRED",
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"OID_802_3_XMIT_MAX_COLLISIONS",
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"OID_802_3_RCV_OVERRUN",
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"OID_802_3_XMIT_UNDERRUN",
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"OID_802_3_XMIT_TIMES_CRS_LOST",
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"OID_802_3_XMIT_LATE_COLLISIONS"
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};
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NDIS_OID OidList[] = {
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OID_GEN_MEDIA_IN_USE,
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OID_GEN_LINK_SPEED,
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OID_GEN_XMIT_ERROR,
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OID_GEN_RCV_ERROR,
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OID_GEN_RCV_NO_BUFFER,
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OID_GEN_DIRECTED_BYTES_XMIT,
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OID_GEN_DIRECTED_FRAMES_XMIT,
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OID_GEN_DIRECTED_BYTES_RCV,
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OID_GEN_DIRECTED_FRAMES_RCV,
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OID_GEN_MULTICAST_BYTES_XMIT,
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OID_GEN_MULTICAST_FRAMES_XMIT,
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OID_GEN_BROADCAST_BYTES_XMIT,
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OID_GEN_BROADCAST_FRAMES_XMIT,
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OID_GEN_MULTICAST_BYTES_RCV,
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OID_GEN_MULTICAST_FRAMES_RCV,
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OID_GEN_BROADCAST_BYTES_RCV,
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OID_GEN_BROADCAST_FRAMES_RCV,
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OID_GEN_RCV_CRC_ERROR,
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OID_GEN_TRANSMIT_QUEUE_LENGTH,
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OID_802_3_RCV_ERROR_ALIGNMENT,
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OID_802_3_XMIT_ONE_COLLISION,
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OID_802_3_XMIT_MORE_COLLISIONS,
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OID_802_3_XMIT_DEFERRED,
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OID_802_3_XMIT_MAX_COLLISIONS,
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OID_802_3_RCV_OVERRUN,
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OID_802_3_XMIT_UNDERRUN,
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OID_802_3_XMIT_TIMES_CRS_LOST,
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OID_802_3_XMIT_LATE_COLLISIONS
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};
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LONG OpenNetDevices = 0;
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extern DEVICE DeviceList[MAX_NIC];
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NTSTATUS
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NetStatsInit(
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OUT LONG *NumberNetCards
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)
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{
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PDEVICE device;
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NTSTATUS Status;
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char DeviceNameString[64];
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char FullDeviceName[256];
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LONG i;
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*NumberNetCards = 0;
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i = 0;
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Status = ReadNetCardNames(DeviceNameString, sizeof(DeviceNameString));
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if (!NT_SUCCESS(Status)) {
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printf( "NetStatsInit: No netcard devices found.\n" );
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return STATUS_UNSUCCESSFUL;
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}
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device = &DeviceList[0];
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while ( NT_SUCCESS(Status) ) {
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strcpy(device->DeviceName, DeviceNameString);
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//
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// First create a symbolic link to the driver.
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//
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strcpy( FullDeviceName, "\\Device\\" );
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strcat( FullDeviceName, DeviceNameString );
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if (!DefineDosDevice(DDD_RAW_TARGET_PATH, DeviceNameString, FullDeviceName)) {
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printf("\nNetStatsInit: DefineDosDevice (%s, %s) failed\n",
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DeviceNameString,
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FullDeviceName );
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return STATUS_UNSUCCESSFUL;
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}
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//
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// Next, try to open the device.
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//
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strcpy( FullDeviceName, "\\\\.\\" );
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strcat( FullDeviceName, DeviceNameString );
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device->Handle = CreateFile(FullDeviceName,
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GENERIC_READ | GENERIC_WRITE,
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0,
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NULL,
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OPEN_EXISTING,
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FILE_ATTRIBUTE_NORMAL,
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NULL
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);
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if ( device->Handle == (HANDLE)-1 ) {
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printf("NetStatsInit: Can't get a handle to %s (%s)\n",
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DeviceNameString,
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FullDeviceName );
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DefineDosDevice( DDD_REMOVE_DEFINITION, DeviceNameString, NULL );
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} else {
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if (OpenNetDevices == MAX_NIC) {
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printf( "NetStatsInit: Too many netcard devices.\n" );
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printf( "NetStatsInit: Only first %d will be monitored.\n", OpenNetDevices);
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CloseHandle( device->Handle );
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DefineDosDevice( DDD_REMOVE_DEFINITION, DeviceNameString, NULL );
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break;
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}
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OpenNetDevices += 1;
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device += 1;
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}
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//
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// Get next netcard device name.
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//
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Status = ReadNetCardNames(DeviceNameString, sizeof(DeviceNameString));
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}
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*NumberNetCards = OpenNetDevices;
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#ifdef debug
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printf("\nNetcard devices found -- %d\n", OpenNetDevices);
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for ( i = 0; i < OpenNetDevices; i++ ) {
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device = &DeviceList[i];
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printf("%s ", device->DeviceName);
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}
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printf("\n\n");
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#endif
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return STATUS_SUCCESS;
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}
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NTSTATUS
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NetStatsReadSample(
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PNET_SAMPLE_STATISTICS PNetSampleStatistics
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)
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{
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ULONG Status;
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PDEVICE device;
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LONG i;
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ULONG j;
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DWORD cbReturned;
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PLONGLONG PCounter;
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PNET_SAMPLE_STATISTICS PDeviceSampleStatistics = PNetSampleStatistics;
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memset(PDeviceSampleStatistics, 0, sizeof(NET_SAMPLE_STATISTICS));
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for ( i = 0; i < OpenNetDevices; i++ ) {
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device = &DeviceList[i];
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PCounter = (PLONGLONG) PDeviceSampleStatistics;
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//
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// Now loop through each of our potential OIDs.
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//
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for ( j = 0; j < sizeof(OidList)/sizeof(NDIS_OID); j++ ) {
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*PCounter = 0;
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if ( !(Status = DeviceIoControl(
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device->Handle,
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(DWORD)IOCTL_NDIS_QUERY_GLOBAL_STATS,
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(PVOID)&OidList[j],
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sizeof(NDIS_OID),
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(PVOID)PCounter,
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sizeof(LONGLONG),
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&cbReturned,
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0
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)) ) {
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#ifdef debug
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printf("DeviceIoControl Failed!, Status = 0x%lx, OID: %s\n", Status, OidListName[j]);
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#endif
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*PCounter = (LONGLONG)-1;
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}
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PCounter += 1;
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}
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PDeviceSampleStatistics += 1;
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}
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#ifdef debug
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printf("\n ");
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for ( i = 0; i < OpenNetDevices; i++ ) {
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device = &DeviceList[i];
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printf(" %12s", device->DeviceName);
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}
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printf("\n\n");
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for ( j = 0; j < sizeof(OidList)/sizeof(NDIS_OID); j++ ) {
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printf( "%-30s: ", OidListName[j]);
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PCounter = (PLONGLONG) PNetSampleStatistics + j;
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for ( i = 0; i < OpenNetDevices; i++ ) {
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device = &DeviceList[i];
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if (OidList[j] != OID_GEN_MEDIA_IN_USE) {
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printf(" %d", *PCounter );
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} else {
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printf(" Media in use problem\n");
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}
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(PNET_SAMPLE_STATISTICS) PCounter += 1;
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}
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printf("\n");
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}
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#endif
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return STATUS_SUCCESS;
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}
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NTSTATUS
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NetStatsClose(
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VOID
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)
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{
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PDEVICE device;
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LONG i;
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for ( i = 0; i < OpenNetDevices; i++ ) {
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device = &DeviceList[i];
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if ( device->Handle != (HANDLE)-1 ) {
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CloseHandle( device->Handle );
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}
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DefineDosDevice( DDD_REMOVE_DEFINITION, device->DeviceName, NULL );
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}
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return STATUS_SUCCESS;
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}
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NTSTATUS
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ReadNetCardNames(
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IN OUT char DeviceNameString[],
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IN LONG DeviceNameLength
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)
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{
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int i;
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LONG Result;
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HKEY Key;
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DWORD Size;
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char KeyString[128];
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static LONG RegNetCardNumber = 0;
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//
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// Scan registry for installed netcards.
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//
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RegNetCardNumber++;
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while (RegNetCardNumber < 32) {
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sprintf(KeyString,
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"software\\microsoft\\windows nt\\currentversion\\networkcards\\%d",
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RegNetCardNumber);
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Result = RegOpenKeyEx(HKEY_LOCAL_MACHINE,
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KeyString,
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0,
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KEY_QUERY_VALUE,
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&Key);
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if (Result == ERROR_SUCCESS) {
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//
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// Query out the value we are interested in
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//
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Size = DeviceNameLength;
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Result = RegQueryValueEx(Key,
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"ServiceName",
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0,
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NULL,
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(LPBYTE)DeviceNameString,
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&Size);
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RegCloseKey(Key);
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if (Result == ERROR_SUCCESS) {
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//printf("%s netcard = %s\n", KeyString, DeviceNameString);
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return STATUS_SUCCESS;
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} else {
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printf("%s\n", KeyString);
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printf("reg query failed, status = %08X\n", Result);
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}
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} else {
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//printf("%s\n", KeyString);
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//printf("reg open key failed, status = %08X\n", Result);
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}
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RegNetCardNumber++;
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}
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return STATUS_UNSUCCESSFUL;
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}
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