Source code of Windows XP (NT5)
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
|
|
/**********************************************************************//** Microsoft Windows NT **//** Copyright(c) Microsoft Corp., 1993 **//**********************************************************************/
/*
dhcpdata.h
Extensible object definitions for the DHCP Server's counter objects & counters.
FILE HISTORY: Pradeepb 20-July-1993 Created. RameshV 05-Aug-1998 Adapted for DHCP
*/
#ifndef _DHCPDATA_H_
#define _DHCPDATA_H_
//
// This structure is used to ensure the first counter is properly
// aligned. Unfortunately, since PERF_COUNTER_BLOCK consists
// of just a single DWORD, any LARGE_INTEGERs that immediately
// follow will not be aligned properly.
//
// This structure requires "natural" packing & alignment (probably
// quad-word, especially on Alpha). Ergo, keep it out of the
// #pragma pack(4) scope below.
//
typedef struct _DHCPDATA_COUNTER_BLOCK{ PERF_COUNTER_BLOCK PerfCounterBlock; LARGE_INTEGER DummyEntryForAlignmentPurposesOnly;
} DHCPDATA_COUNTER_BLOCK;
//
// The routines that load these structures assume that all fields
// are DWORD packed & aligned.
//
#pragma pack(4)
//
// Offsets within a PERF_COUNTER_BLOCK.
//
#define DHCPDATA_PACKETS_RECEIVED_OFFSET (0*sizeof(DWORD) + sizeof(DHCPDATA_COUNTER_BLOCK))
#define DHCPDATA_PACKETS_DUPLICATE_OFFSET (1*sizeof(DWORD) + sizeof(DHCPDATA_COUNTER_BLOCK))
#define DHCPDATA_PACKETS_EXPIRED_OFFSET (2*sizeof(DWORD) + sizeof(DHCPDATA_COUNTER_BLOCK))
#define DHCPDATA_MILLISECONDS_PER_PACKET_OFFSET (3*sizeof(DWORD) + sizeof(DHCPDATA_COUNTER_BLOCK))
#define DHCPDATA_PACKETS_IN_ACTIVE_QUEUE_OFFSET (4*sizeof(DWORD) + sizeof(DHCPDATA_COUNTER_BLOCK))
#define DHCPDATA_PACKETS_IN_PING_QUEUE_OFFSET (5*sizeof(DWORD) + sizeof(DHCPDATA_COUNTER_BLOCK))
#define DHCPDATA_DISCOVERS_OFFSET (6*sizeof(DWORD) + sizeof(DHCPDATA_COUNTER_BLOCK))
#define DHCPDATA_OFFERS_OFFSET (7*sizeof(DWORD) + sizeof(DHCPDATA_COUNTER_BLOCK))
#define DHCPDATA_REQUESTS_OFFSET (8*sizeof(DWORD) + sizeof(DHCPDATA_COUNTER_BLOCK))
#define DHCPDATA_INFORMS_OFFSET (9*sizeof(DWORD) + sizeof(DHCPDATA_COUNTER_BLOCK))
#define DHCPDATA_ACKS_OFFSET (10*sizeof(DWORD) + sizeof(DHCPDATA_COUNTER_BLOCK))
#define DHCPDATA_NACKS_OFFSET (11*sizeof(DWORD) + sizeof(DHCPDATA_COUNTER_BLOCK))
#define DHCPDATA_DECLINES_OFFSET (12*sizeof(DWORD) + sizeof(DHCPDATA_COUNTER_BLOCK))
#define DHCPDATA_RELEASES_OFFSET (13*sizeof(DWORD) + sizeof(DHCPDATA_COUNTER_BLOCK))
#define DHCPDATA_SIZE_OF_PERFORMANCE_DATA (14*sizeof(DWORD) + sizeof(DHCPDATA_COUNTER_BLOCK))
//
// The counter structure returned.
//
typedef struct _DHCPDATA_DATA_DEFINITION{ PERF_OBJECT_TYPE ObjectType; PERF_COUNTER_DEFINITION PacketsReceived; PERF_COUNTER_DEFINITION PacketsDuplicate; PERF_COUNTER_DEFINITION PacketsExpired; PERF_COUNTER_DEFINITION MilliSecondsPerPacket; PERF_COUNTER_DEFINITION ActiveQueuePackets; PERF_COUNTER_DEFINITION PingQueuePackets; PERF_COUNTER_DEFINITION Discovers; PERF_COUNTER_DEFINITION Offers; PERF_COUNTER_DEFINITION Requests; PERF_COUNTER_DEFINITION Informs; PERF_COUNTER_DEFINITION Acks; PERF_COUNTER_DEFINITION Nacks; PERF_COUNTER_DEFINITION Declines; PERF_COUNTER_DEFINITION Releases;} DHCPDATA_DATA_DEFINITION;
extern DHCPDATA_DATA_DEFINITION DhcpDataDataDefinition;
#define NUMBER_OF_DHCPDATA_COUNTERS ((sizeof(DHCPDATA_DATA_DEFINITION) - \
sizeof(PERF_OBJECT_TYPE)) / \ sizeof(PERF_COUNTER_DEFINITION))
#define DHCPDATA_PERFORMANCE_KEY \
TEXT("System\\CurrentControlSet\\Services\\DHCPServer\\Performance")//
// Restore default packing & alignment.
//
#pragma pack()
#endif // _DHCPDATA_H_
|
