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STATISTICS structure

The STATISTICS structure provides statistics for the capture. Some of these statistics are generated by Network Monitor, while others are generated by the NIC that the NPP is connected to.

Syntax

typedef struct _STATISTICS {
  __int64 TimeElapsed;
  DWORD   TotalFramesCaptured;
  DWORD   TotalBytesCaptured;
  DWORD   TotalFramesFiltered;
  DWORD   TotalBytesFiltered;
  DWORD   TotalMulticastsFiltered;
  DWORD   TotalBroadcastsFiltered;
  DWORD   TotalFramesSeen;
  DWORD   TotalBytesSeen;
  DWORD   TotalMulticastsReceived;
  DWORD   TotalBroadcastsReceived;
  DWORD   TotalFramesDropped;
  DWORD   TotalFramesDroppedFromBuffer;
  DWORD   MacFramesReceived;
  DWORD   MacCRCErrors;
  __int64 MacBytesReceivedEx;
  DWORD   MacFramesDropped_NoBuffers;
  DWORD   MacMulticastsReceived;
  DWORD   MacBroadcastsReceived;
  DWORD   MacFramesDropped_HwError;
} STATISTICS, *LPSTATISTICS;

Members

TimeElapsed

Elapsed time, in microseconds.

TotalFramesCaptured

Total number of frames currently stored. This number is limited by the size of the capture file or buffer used to store the frames.

TotalBytesCaptured

Total number of bytes currently stored. This number is limited by the size of the capture file or buffer used to store the frames.

TotalFramesFiltered

Total number of frames that passed through the current capture filter. If a filter is not used, this value is the same as TotalFramesSeen.

TotalBytesFiltered

Total number of frames that passed through the current capture filter. If a filter is not used, this value is the same as TotalBytesSeen.

TotalMulticastsFiltered

This member is obsolete.

TotalBroadcastsFiltered

This member is obsolete.

TotalFramesSeen

Total number of frames handled by the NIC.

TotalBytesSeen

Total number of bytes handled by the NIC.

TotalMulticastsReceived

This member is obsolete.

TotalBroadcastsReceived

This member is obsolete.

TotalFramesDropped

Total number of frames dropped (frames that passed the filter but were not saved).

TotalFramesDroppedFromBuffer

Number of frames dropped from the capture file or buffer. When the buffer is full, older frames are removed to make room for new ones.

MacFramesReceived

Number of frames that the NIC reports having received.

MacCRCErrors

Number of CRC errors reported by the NIC.

MacBytesReceivedEx

Number of bytes that the NIC reports having received.

MacFramesDropped_NoBuffers

Number of frames that the NIC reports having dropped due to a lack of buffer space.

MacMulticastsReceived

Number of multicasts the NIC reports having received.

MacBroadcastsReceived

Number of broadcasts the NIC reports having received.

MacFramesDropped_HwError

Number of frames the NIC reports as having dropped due to hardware errors.

Remarks

This structure is used to retrieve total statistics, and to pause or stop the current capture.

Total statistics cannot be retrieved when using the IESP NPP interface.

Requirements

Requirement Value
Minimum supported client
Windows 2000 Professional [desktop apps only]
Minimum supported server
Windows 2000 Server [desktop apps only]
Header
Netmon.h

See also

IDelaydC::GetTotalStatistics

IRTC::GetTotalStatistics

IStats::GetTotalStatistics

IDelaydC::Pause

IESP::Pause

IRTC::Pause

IStats::Pause

IDelaydC::Stop

IESP::Stop

IRTC::Stop

IStatsC::Stop