138 lines
4.5 KiB
C
138 lines
4.5 KiB
C
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//============================================================================
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// Copyright (c) 1995, Microsoft Corporation
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//
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// File: ipmgm.h
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//
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// History:
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// V Raman Aug-6-1997 Created.
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//
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// Contains type definitions and declarations for IP MGM.
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//============================================================================
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#ifndef _MGMDEFS_H_
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#define _MGMDEFS_H_
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#define MGM_CLIENT_HANDLE_TAG ('MGMc' << 8)
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#define MGM_ENUM_HANDLE_TAG ('MGMe' << 8)
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//----------------------------------------------------------------------------
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// Protocol constants
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//----------------------------------------------------------------------------
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#define INVALID_PROTOCOL_ID 0xffffffff
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#define INVALID_COMPONENT_ID 0xffffffff
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#define IS_VALID_PROTOCOL( a, b ) \
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(a) != INVALID_PROTOCOL_ID && (b) != INVALID_COMPONENT_ID
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#define IS_PROTOCOL_IGMP( p ) \
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( (p)-> dwProtocolId == PROTO_IP_IGMP )
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#define IS_ROUTING_PROTOCOL( p ) \
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!IS_PROTOCOL_IGMP( p )
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#define IS_PROTOCOL_ID_IGMP( i ) \
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(i) == PROTO_IP_IGMP
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//----------------------------------------------------------------------------
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// Interface constants
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//----------------------------------------------------------------------------
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#define INVALID_INTERFACE_INDEX 0x0
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#define INVALID_NEXT_HOP_ADDR 0x0
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#define IS_VALID_INTERFACE( a, b ) \
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(a) != INVALID_INTERFACE_INDEX
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//----------------------------------------------------------------------------
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// Wildcard source/group macros
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//----------------------------------------------------------------------------
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#define WILDCARD_GROUP 0x0
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#define WILDCARD_GROUP_MASK 0x0
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#define WILDCARD_SOURCE 0x0
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#define WILDCARD_SOURCE_MASK 0x0
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#define IS_WILDCARD_GROUP( a, b ) (a) == WILDCARD_GROUP
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#define IS_WILDCARD_SOURCE( a, b ) (a) == WILDCARD_SOURCE
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//----------------------------------------------------------------------------
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// Time conversion constants and macros
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//----------------------------------------------------------------------------
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#define SYSTIME_UNITS_PER_MSEC (1000 * 10)
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#define SYSTIME_UNITS_PER_SEC (1000 * SYSTIME_UNITS_PER_MSEC)
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#define SYSTIME_UNITS_PER_MINUTE (60 * SYSTIME_UNITS_PER_SEC)
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#define EXPIRY_INTERVAL 15 * 60 * 1000
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#define ROUTE_CHECK_INTERVAL \
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SYSTIME_UNITS_PER_MINUTE / SYSTIME_UNITS_PER_MSEC
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#define MgmQuerySystemTime(p) NtQuerySystemTime((p))
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#define MgmSetExpiryTime(p, i) \
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{ \
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LARGE_INTEGER __li = { i }; \
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*(p) = RtlLargeIntegerAdd( *(p), __li ); \
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}
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#define MgmElapsedTime( p, q, u ) \
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{ \
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LARGE_INTEGER __li1, __li2; \
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ULONG __rem; \
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MgmQuerySystemTime( &__li1); \
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__li2 = RtlLargeIntegerSubtract( __li1, *(p) ); \
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__li1 = RtlExtendedLargeIntegerDivide( __li2, u, &__rem ); \
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*(q) = __li1.LowPart; \
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}
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#define MgmElapsedSecs( p, q ) \
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MgmElapsedTime( p, q, SYSTIME_UNITS_PER_SEC )
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#define TIMER_TABLE_MAX_SIZE 16
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//----------------------------------------------------------------------------
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// IP address manipulation macros
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// Bolade's macro.
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//----------------------------------------------------------------------------
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//
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// This macro compares two IP addresses in network order by
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// masking off each pair of octets and doing a subtraction;
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// the result of the final subtraction is stored in the third argument.
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//
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#define INET_CMP(a,b,c) \
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(((c) = (((a) & 0x000000ff) - ((b) & 0x000000ff))) ? (c) : \
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(((c) = (((a) & 0x0000ff00) - ((b) & 0x0000ff00))) ? (c) : \
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(((c) = (((a) & 0x00ff0000) - ((b) & 0x00ff0000))) ? (c) : \
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(((c) = ((((a)>>8) & 0x00ff0000) - (((b)>>8) & 0x00ff0000)))))))
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//
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// IP address conversion macro:
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// calls inet_ntoa directly on a DWORD, by casting it as an IN_ADDR.
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//
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#define INET_NTOA(dw) inet_ntoa( *(PIN_ADDR)&(dw) )
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//
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// IPv4 mask len
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//
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#define IPv4_ADDR_LEN 32
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#endif // _MGMDEFS_H_
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