Leaked source code of windows server 2003
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//============================================================================
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// File: Mgm.h
//
// History:
// V Raman June-25-1997 Created.
//
// Data structures and entry points into MGM.
//============================================================================
#ifndef _MGM_H_
#define _MGM_H_
#if _MSC_VER > 1000
#pragma once
#endif
//----------------------------------------------------------------------------
//
// typedefs for callback interface
//
//----------------------------------------------------------------------------
//
// MGM_IF_ENTRY
//
// structure used in MGM_CREATION_ALERT_CALLBACK. In the process of
// creating an MFE the routing protocol needs to enable/disable
// multicast forwarding on each interface
//
typedef struct _MGM_IF_ENTRY {
DWORD dwIfIndex;
DWORD dwIfNextHopAddr;
BOOL bIGMP;
BOOL bIsEnabled;
} MGM_IF_ENTRY, *PMGM_IF_ENTRY;
//----------------------------------------------------------------------------
//
// Callbacks into routing protocols
//
//----------------------------------------------------------------------------
//
// call into a routing protocol to perform RPF check.
//
// Invoked in the context of MgmNewPacketReceived into protocol component
// owning the incoming interface.
//
typedef DWORD
(*PMGM_RPF_CALLBACK)(
IN DWORD dwSourceAddr,
IN DWORD dwSourceMask,
IN DWORD dwGroupAddr,
IN DWORD dwGroupMask,
IN OUT PDWORD pdwInIfIndex,
IN OUT PDWORD pdwInIfNextHopAddr,
IN OUT PDWORD pdwUpStreamNbr,
IN DWORD dwHdrSize,
IN PBYTE pbPacketHdr,
IN OUT PBYTE pbRoute
);
//
// call into a routing protocol to determine the subset of interfaces
// (owned by the routing protocol) on which a multicast packet from a
// "new" source should be forwarded.
//
// Invoked in the context of MgmNewPacketReceived into all
// routing protocols that have outgoing interfaces for this source.
//
typedef
DWORD (*PMGM_CREATION_ALERT_CALLBACK)(
IN DWORD dwSourceAddr,
IN DWORD dwSourceMask,
IN DWORD dwGroupAddr,
IN DWORD dwGroupMask,
IN DWORD dwInIfIndex,
IN DWORD dwInIfNextHopAddr,
IN DWORD dwIfCount,
IN OUT PMGM_IF_ENTRY pmieOutIfList
);
//
// call into routing protocol to notify protocol that an interface has
// been deleted from the outgoing interface list of a group entry / MFE
//
// invoked in the context of MgmDeleteMembershipEntry()
//
typedef
DWORD (*PMGM_PRUNE_ALERT_CALLBACK)(
IN DWORD dwSourceAddr,
IN DWORD dwSourceMask,
IN DWORD dwGroupAddr,
IN DWORD dwGroupMask,
IN DWORD dwIfIndex,
IN DWORD dwIfNextHopAddr,
IN BOOL bMemberDelete,
IN OUT PDWORD pdwTimeout
);
//
// call into routing protocol to notify protocol that an interface has
// been added to the outgoing interface list of a group entry / MFE
//
// invoked in the context of MgmAddMembershipEntry()
//
typedef
DWORD (*PMGM_JOIN_ALERT_CALLBACK)(
IN DWORD dwSourceAddr,
IN DWORD dwSourceMask,
IN DWORD dwGroupAddr,
IN DWORD dwGroupMask,
IN BOOL bMemberUpdate
);
//
// call into routing protocol to notify protocol that a packet
// has been received from a (source, group) on a wrong interface
//
typedef
DWORD (*PMGM_WRONG_IF_CALLBACK)(
IN DWORD dwSourceAddr,
IN DWORD dwGroupAddr,
IN DWORD dwIfIndex,
IN DWORD dwIfNextHopAddr,
IN DWORD dwHdrSize,
IN PBYTE pbPacketHdr
);
//
// call into routing protocol to notify protocol that IGMP needs to add
// an interface to the outgoing interface list of a group entry / MFE
//
// invoked in the context of MgmLocalGroupJoin()
//
typedef DWORD
(*PMGM_LOCAL_JOIN_CALLBACK) (
IN DWORD dwSourceAddr,
IN DWORD dwSourceMask,
IN DWORD dwGroupAddr,
IN DWORD dwGroupMask,
IN DWORD dwIfIndex,
IN DWORD dwIfNextHopAddr
);
//
// call into routing protocol to notify protocol that IGMP needs to
// delete an interface to the outgoing interface list of a group
// entry / MFE
//
// invoked in the context of MgmLocalGroupJoin()
//
typedef DWORD
(*PMGM_LOCAL_LEAVE_CALLBACK) (
IN DWORD dwSourceAddr,
IN DWORD dwSourceMask,
IN DWORD dwGroupAddr,
IN DWORD dwGroupMask,
IN DWORD dwIfIndex,
IN DWORD dwIfNextHopAddr
);
//
// call into IGMP to notify it that a protocol is taking or
// releasing ownership of an interface that has IGMP enabled on it.
//
// When this callback is invoked IGMP should stop adding/deleting
// group memberships on the specified interface.
//
typedef DWORD
(*PMGM_DISABLE_IGMP_CALLBACK) (
IN DWORD dwIfIndex,
IN DWORD dwIfNextHopAddr
);
//
// call into IGMP to notify it that a protocol has finished taking
// or releasing ownership of an interface.
//
// When this callback is invoked IGMP should add all its group memberships
// on the interface.
//
typedef DWORD
(*PMGM_ENABLE_IGMP_CALLBACK) (
IN DWORD dwIfIndex,
IN DWORD dwIfNextHopAddr
);
//----------------------------------------------------------------------------
//
// typedefs for MGM API interface
//
//----------------------------------------------------------------------------
//
// ROUTING_PROTOCOL_CONFIG
//
// routing protocol configuration that is passed to MGM at registration.
//
//
// Callbacks into routing protocols
//
typedef struct _ROUTING_PROTOCOL_CONFIG {
DWORD dwCallbackFlags;
PMGM_RPF_CALLBACK pfnRpfCallback;
PMGM_CREATION_ALERT_CALLBACK pfnCreationAlertCallback;
PMGM_PRUNE_ALERT_CALLBACK pfnPruneAlertCallback;
PMGM_JOIN_ALERT_CALLBACK pfnJoinAlertCallback;
PMGM_WRONG_IF_CALLBACK pfnWrongIfCallback;
//
// callbacks into Routing protocols
//
PMGM_LOCAL_JOIN_CALLBACK pfnLocalJoinCallback;
PMGM_LOCAL_LEAVE_CALLBACK pfnLocalLeaveCallback;
//
// callbacks into IGMP
//
PMGM_DISABLE_IGMP_CALLBACK pfnDisableIgmpCallback;
PMGM_ENABLE_IGMP_CALLBACK pfnEnableIgmpCallback;
} ROUTING_PROTOCOL_CONFIG, *PROUTING_PROTOCOL_CONFIG;
//
// MGM_ENUM_TYPES
//
// Enumeration types to be specified when the
//
typedef enum _MGM_ENUM_TYPES
{
ANY_SOURCE = 0, // enumerate group entries with
// atleast one source
ALL_SOURCES // enumerate all source entries
// for a group entry
} MGM_ENUM_TYPES;
//
// SOURCE_GROUP_ENTRY
//
// (S, G) entry that is returned by the group entry enumeration API.
//
typedef struct _SOURCE_GROUP_ENTRY {
DWORD dwSourceAddr;
DWORD dwSourceMask;
DWORD dwGroupAddr;
DWORD dwGroupMask;
} SOURCE_GROUP_ENTRY, *PSOURCE_GROUP_ENTRY;
//----------------------------------------------------------------------------
//
// Entry points into MGM.
//
//----------------------------------------------------------------------------
//============================================================================
// Routing protocol registration / de-registration API
//============================================================================
DWORD
MgmRegisterMProtocol(
IN PROUTING_PROTOCOL_CONFIG prpiInfo,
IN DWORD dwProtocolId,
IN DWORD dwComponentId,
OUT HANDLE * phProtocol
);
DWORD
MgmDeRegisterMProtocol(
IN HANDLE hProtocol
);
//============================================================================
// Interface ownership API
//============================================================================
DWORD
MgmTakeInterfaceOwnership(
IN HANDLE hProtocol,
IN DWORD dwIfIndex,
IN DWORD dwIfNextHopAddr
);
DWORD
MgmReleaseInterfaceOwnership(
IN HANDLE hProtocol,
IN DWORD dwIfIndex,
IN DWORD dwIfNextHopAddr
);
DWORD
MgmGetProtocolOnInterface(
IN DWORD dwIfIndex,
IN DWORD dwIfNextHopAddr,
IN OUT PDWORD pdwIfProtocolId,
IN OUT PDWORD pdwIfComponentId
);
//============================================================================
// Group membership manipulation API. (addition / deletion )
//============================================================================
#define MGM_JOIN_STATE_FLAG 0x00000001
#define MGM_FORWARD_STATE_FLAG 0x00000002
DWORD
MgmAddGroupMembershipEntry(
IN HANDLE hProtocol,
IN DWORD dwSourceAddr,
IN DWORD dwSourceMask,
IN DWORD dwGroupAddr,
IN DWORD dwGroupMask,
IN DWORD dwIfIndex,
IN DWORD dwIfNextHopIPAddr,
IN DWORD dwFlags
);
DWORD
MgmDeleteGroupMembershipEntry(
IN HANDLE hProtocol,
IN DWORD dwSourceAddr,
IN DWORD dwSourceMask,
IN DWORD dwGroupAddr,
IN DWORD dwGroupMask,
IN DWORD dwIfIndex,
IN DWORD dwIfNextHopIPAddr,
IN DWORD dwFlags
);
//============================================================================
//
// Enumeration API
//
//============================================================================
//----------------------------------------------------------------------------
// MFE enumeration API
//----------------------------------------------------------------------------
DWORD
MgmGetMfe(
IN PMIB_IPMCAST_MFE pimm,
IN OUT PDWORD pdwBufferSize,
IN OUT PBYTE pbBuffer
);
DWORD
MgmGetFirstMfe(
IN OUT PDWORD pdwBufferSize,
IN OUT PBYTE pbBuffer,
IN OUT PDWORD pdwNumEntries
);
DWORD
MgmGetNextMfe(
IN PMIB_IPMCAST_MFE pimmStart,
IN OUT PDWORD pdwBufferSize,
IN OUT PBYTE pbBuffer,
IN OUT PDWORD pdwNumEntries
);
//
// Include statistics corresponding to MIB_IPMCAST_MFE_STATS
//
#define MGM_MFE_STATS_0 0x00000001
//
// Include statistics corresponding to MIB_IPMCAST_MFE_STATS_EX
//
#define MGM_MFE_STATS_1 0x00000002
DWORD
MgmGetMfeStats(
IN PMIB_IPMCAST_MFE pimm,
IN OUT PDWORD pdwBufferSize,
IN OUT PBYTE pbBuffer,
IN DWORD dwFlags
);
DWORD
MgmGetFirstMfeStats(
IN OUT PDWORD pdwBufferSize,
IN OUT PBYTE pbBuffer,
IN OUT PDWORD pdwNumEntries,
IN DWORD dwFlags
);
DWORD
MgmGetNextMfeStats(
IN PMIB_IPMCAST_MFE pimmStart,
IN OUT PDWORD pdwBufferSize,
IN OUT PBYTE pbBuffer,
IN OUT PDWORD pdwNumEntries,
IN DWORD dwFlags
);
//----------------------------------------------------------------------------
// Group menbership entry enumeration API
//----------------------------------------------------------------------------
DWORD
MgmGroupEnumerationStart(
IN HANDLE hProtocol,
IN MGM_ENUM_TYPES metEnumType,
OUT HANDLE * phEnumHandle
);
DWORD
MgmGroupEnumerationGetNext(
IN HANDLE hEnum,
IN OUT PDWORD pdwBufferSize,
IN OUT PBYTE pbBuffer,
IN OUT PDWORD pdwNumEntries
);
DWORD
MgmGroupEnumerationEnd(
IN HANDLE hEnum
);
//-----------------------------------------------------------------
// Mgm MFE Update API.
//
//-----------------------------------------------------------------
DWORD
MgmSetMfe(
IN HANDLE hProtocol,
IN PMIB_IPMCAST_MFE pmimm
);
#endif //_MGM_H_