169 lines
3.6 KiB
C
169 lines
3.6 KiB
C
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/*++
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Copyright (c) 1994 Microsoft Corporation
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Module Name:
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mdhcp.h
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Abstract:
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This file contains the header for data blocks of
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client side APIs for the MCAST.
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Author:
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Munil Shah (munils) 02-Sept-97
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Environment:
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User Mode - Win32
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Revision History:
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--*/
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#ifndef _MDHCPCLI_H_
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#define _MDHCPCLI_H_
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#include <madcapcl.h>
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/***********************************************************************
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* Structure Definitions
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***********************************************************************/
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// Mdhcp scopelist
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typedef struct _MCAST_SCOPE_LIST {
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DWORD ScopeLen;
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DWORD ScopeCount;
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MCAST_SCOPE_ENTRY pScopeBuf[1];
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} MCAST_SCOPE_LIST, *PMCAST_SCOPE_LIST;
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typedef struct _MCAST_SCOPE_LIST_OPT_V4 {
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DWORD ScopeId;
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DWORD LastAddr;
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BYTE TTL;
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BYTE NameCount;
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} MCAST_SCOPE_LIST_OPT_V4, *PMCAST_SCOPE_LIST_OPT_V4;
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typedef struct _MCAST_SCOPE_LIST_OPT_V6 {
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BYTE ScopeId[16];
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BYTE LastAddr[16];
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BYTE TTL;
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BYTE NameCount;
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} MCAST_SCOPE_LIST_OPT_V6, *PMCAST_SCOPE_LIST_OPT_V6;
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typedef struct _MCAST_SCOPE_LIST_OPT_LANG {
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BYTE Flags;
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BYTE Len;
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BYTE Tag[1];
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} MCAST_SCOPE_LIST_OPT_LANG, *PMCAST_SCOPE_LIST_OPT_LANG;
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/***********************************************************************
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* Macro Definitions
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***********************************************************************/
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// Locking of scope list.
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#define LOCK_MSCOPE_LIST() EnterCriticalSection(&MadcapGlobalScopeListCritSect)
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#define UNLOCK_MSCOPE_LIST() LeaveCriticalSection(&MadcapGlobalScopeListCritSect)
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/***********************************************************************
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* Global Data
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***********************************************************************/
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#ifdef MADCAP_DATA_ALLOCATE
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#define MADCAP_EXTERN
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#else
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#define MADCAP_EXTERN extern
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#endif
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#define MADCAP_QUERY_SCOPE_LIST_RETRIES 2
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#define MADCAP_MAX_RETRIES 4
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#define MADCAP_QUERY_SCOPE_LIST_TIME 1
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MADCAP_EXTERN CRITICAL_SECTION MadcapGlobalScopeListCritSect; // protects scopelist.
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MADCAP_EXTERN PMCAST_SCOPE_LIST gMadcapScopeList;
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MADCAP_EXTERN BOOL gMScopeQueryInProgress;
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MADCAP_EXTERN HANDLE gMScopeQueryEvent;
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MADCAP_EXTERN DWORD gMadcapClientApplVersion;
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/***********************************************************************
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* Function Protos.
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***********************************************************************/
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DWORD
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CopyMScopeList(
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IN OUT PMCAST_SCOPE_ENTRY pScopeList,
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IN OUT PDWORD pScopeLen,
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OUT PDWORD pScopeCount
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);
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BOOL
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ShouldRequeryMScopeList();
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DWORD
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CreateMadcapContext(
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IN OUT PDHCP_CONTEXT *ppContext,
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IN LPMCAST_CLIENT_UID pRequestID,
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IN DHCP_IP_ADDRESS IpAddress
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);
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DWORD
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MadcapDoInform(
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IN PDHCP_CONTEXT pContext
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);
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DWORD
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StoreMScopeList(
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IN PDHCP_CONTEXT pContext,
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IN BOOL NewList
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);
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DWORD
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ObtainMScopeList(
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);
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DWORD
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GenMadcapClientUID(
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OUT PBYTE pRequestID,
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IN PDWORD pRequestIDLen
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);
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DWORD
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ObtainMadcapAddress(
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IN PDHCP_CONTEXT DhcpContext,
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IN PIPNG_ADDRESS pScopeID,
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IN PMCAST_LEASE_REQUEST pRenewRequest,
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IN OUT PMCAST_LEASE_RESPONSE pAddrResponse
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);
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DWORD
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RenewMadcapAddress(
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IN PDHCP_CONTEXT DhcpContext,
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IN PIPNG_ADDRESS pScopeID,
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IN PMCAST_LEASE_REQUEST pRenewRequest,
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IN OUT PMCAST_LEASE_RESPONSE pAddrResponse,
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IN DHCP_IP_ADDRESS SelectedServer
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);
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DWORD
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ReleaseMadcapAddress(
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PDHCP_CONTEXT DhcpContext
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);
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DWORD
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MadcapInitGlobalData(VOID);
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#endif _MDHCPCLI_H_
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