iprtrmib.h

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    DWORD       dwOutRsts;
    DWORD       dwNumConns;
} MIB_TCPSTATS, *PMIB_TCPSTATS;

#define MIB_TCP_RTO_OTHER       1
#define MIB_TCP_RTO_CONSTANT    2
#define MIB_TCP_RTO_RSRE        3
#define MIB_TCP_RTO_VANJ        4

#define MIB_TCP_MAXCONN_DYNAMIC (DWORD)-1

typedef struct _MIB_TCPROW
{
    DWORD       dwState;
    DWORD       dwLocalAddr;
    DWORD       dwLocalPort;
    DWORD       dwRemoteAddr;
    DWORD       dwRemotePort;
} MIB_TCPROW, *PMIB_TCPROW;

#define MIB_TCP_STATE_CLOSED            1                 
#define MIB_TCP_STATE_LISTEN            2                 
#define MIB_TCP_STATE_SYN_SENT          3                 
#define MIB_TCP_STATE_SYN_RCVD          4                 
#define MIB_TCP_STATE_ESTAB             5                 
#define MIB_TCP_STATE_FIN_WAIT1         6                 
#define MIB_TCP_STATE_FIN_WAIT2         7                 
#define MIB_TCP_STATE_CLOSE_WAIT        8                 
#define MIB_TCP_STATE_CLOSING           9                
#define MIB_TCP_STATE_LAST_ACK         10                
#define MIB_TCP_STATE_TIME_WAIT        11                
#define MIB_TCP_STATE_DELETE_TCB       12                

typedef struct _MIB_TCPTABLE
{
    DWORD      dwNumEntries;
    MIB_TCPROW table[ANY_SIZE];
} MIB_TCPTABLE, *PMIB_TCPTABLE;

#define SIZEOF_TCPTABLE(X) (FIELD_OFFSET(MIB_TCPTABLE,table[0]) + ((X) * sizeof(MIB_TCPROW)) + ALIGN_SIZE)

#define MIB_USE_CURRENT_TTL         ((DWORD)-1)
#define MIB_USE_CURRENT_FORWARDING  ((DWORD)-1)

typedef struct _MIB_IPSTATS
{
    DWORD		dwForwarding;
    DWORD		dwDefaultTTL;
    DWORD		dwInReceives;
    DWORD		dwInHdrErrors;
    DWORD		dwInAddrErrors;
    DWORD		dwForwDatagrams;
    DWORD		dwInUnknownProtos;
    DWORD		dwInDiscards;
    DWORD		dwInDelivers;
    DWORD		dwOutRequests;
    DWORD		dwRoutingDiscards;
    DWORD		dwOutDiscards;
    DWORD		dwOutNoRoutes;
    DWORD		dwReasmTimeout;
    DWORD		dwReasmReqds;
    DWORD		dwReasmOks;
    DWORD		dwReasmFails;
    DWORD		dwFragOks;
    DWORD		dwFragFails;
    DWORD		dwFragCreates;
    DWORD		dwNumIf;
    DWORD		dwNumAddr;
    DWORD		dwNumRoutes;
} MIB_IPSTATS, *PMIB_IPSTATS;

#define	MIB_IP_FORWARDING               1
#define	MIB_IP_NOT_FORWARDING           2


typedef struct _MIB_IPADDRROW
{
    DWORD		dwAddr;
    DWORD		dwIndex;
    DWORD		dwMask;
    DWORD		dwBCastAddr;
    DWORD		dwReasmSize;
    unsigned short	unused1;
    unsigned short	unused2;
} MIB_IPADDRROW, *PMIB_IPADDRROW;

typedef struct _MIB_IPADDRTABLE
{
    DWORD         dwNumEntries;
    MIB_IPADDRROW table[ANY_SIZE];
} MIB_IPADDRTABLE, *PMIB_IPADDRTABLE;


#define SIZEOF_IPADDRTABLE(X) (FIELD_OFFSET(MIB_IPADDRTABLE,table[0]) + ((X) * sizeof(MIB_IPADDRROW)) + ALIGN_SIZE)


typedef struct _MIB_IPFORWARDNUMBER
{
    DWORD      dwValue;
}MIB_IPFORWARDNUMBER,*PMIB_IPFORWARDNUMBER;

typedef struct _MIB_IPFORWARDROW
{
    DWORD		dwForwardDest;
    DWORD		dwForwardMask;
    DWORD		dwForwardPolicy;
    DWORD		dwForwardNextHop;
    DWORD		dwForwardIfIndex;
    DWORD		dwForwardType;
    DWORD		dwForwardProto;
    DWORD		dwForwardAge;
    DWORD       dwForwardNextHopAS;
    DWORD		dwForwardMetric1;
    DWORD		dwForwardMetric2;
    DWORD		dwForwardMetric3;
    DWORD		dwForwardMetric4;
    DWORD		dwForwardMetric5;
}MIB_IPFORWARDROW, *PMIB_IPFORWARDROW;

#define	MIB_IPROUTE_TYPE_OTHER		1
#define	MIB_IPROUTE_TYPE_INVALID	2
#define	MIB_IPROUTE_TYPE_DIRECT		3
#define	MIB_IPROUTE_TYPE_INDIRECT	4

#define	MIB_IPROUTE_METRIC_UNUSED	(DWORD)-1

#define MIB_IPPROTO_OTHER		    1
#define MIB_IPPROTO_LOCAL		    2
#define MIB_IPPROTO_NETMGMT		    3
#define MIB_IPPROTO_ICMP			4
#define MIB_IPPROTO_EGP			    5
#define MIB_IPPROTO_GGP			    6
#define MIB_IPPROTO_HELLO		    7
#define MIB_IPPROTO_RIP			    8
#define MIB_IPPROTO_IS_IS		    9
#define MIB_IPPROTO_ES_IS		    10
#define MIB_IPPROTO_CISCO		    11
#define MIB_IPPROTO_BBN			    12
#define MIB_IPPROTO_OSPF			13
#define MIB_IPPROTO_BGP			    14

typedef struct _MIB_IPFORWARDTABLE
{
    DWORD               dwNumEntries;
    MIB_IPFORWARDROW    table[ANY_SIZE];
}MIB_IPFORWARDTABLE, *PMIB_IPFORWARDTABLE;




#define SIZEOF_IPFORWARDTABLE(X) (FIELD_OFFSET(MIB_IPFORWARDTABLE,table[0]) + ((X) * sizeof(MIB_IPFORWARDROW)) + ALIGN_SIZE)


typedef struct _MIB_IPNETROW
{
    DWORD		dwIndex;
    DWORD		dwPhysAddrLen;
    BYTE		bPhysAddr[MAXLEN_PHYSADDR];
    DWORD		dwAddr;
    DWORD		dwType;
} MIB_IPNETROW, *PMIB_IPNETROW;

#define	MIB_IPNET_TYPE_OTHER		1
#define	MIB_IPNET_TYPE_INVALID		2
#define	MIB_IPNET_TYPE_DYNAMIC		3
#define	MIB_IPNET_TYPE_STATIC		4

typedef struct _MIB_IPNETTABLE
{
    DWORD             dwNumEntries;
    MIB_IPNETROW      table[ANY_SIZE];
} MIB_IPNETTABLE, *PMIB_IPNETTABLE;

#define SIZEOF_IPNETTABLE(X) (FIELD_OFFSET(MIB_IPNETTABLE, table[0]) + ((X) * sizeof(MIB_IPNETROW)) + ALIGN_SIZE)

//////////////////////////////////////////////////////////////////////////////
//                                                                          //
// All the info passed to (SET/CREATE) and from (GET/GETNEXT/GETFIRST)      //
// IP Router Manager is encapsulated in the following "discriminated"       //
// union.  To pass, say MIB_IFROW, use the following code                   //
//                                                                          //
//  PMIB_OPAQUE_INFO    pInfo;                                              //
//  PMIB_IFROW          pIfRow;                                             //
//  DWORD rgdwBuff[(MAX_MIB_OFFSET + sizeof(MIB_IFROW))/sizeof(DWORD) + 1]; //
//                                                                          //
//  pInfo   = (PMIB_OPAQUE_INFO)rgdwBuffer;                                 //
//  pIfRow  = (MIB_IFROW *)(pInfo->rgbyData);                               //
//                                                                          //
//  This can also be accomplished by using the following macro              //
//                                                                          //
//  DEFINE_MIB_BUFFER(pInfo,MIB_IFROW, pIfRow);                             //
//                                                                          //
//////////////////////////////////////////////////////////////////////////////


typedef struct _MIB_OPAQUE_INFO
{
    DWORD  dwId;

    union
    {
        ULONGLONG   ullAlign;
        BYTE        rgbyData[1];
    };

}MIB_OPAQUE_INFO, *PMIB_OPAQUE_INFO;

#define MAX_MIB_OFFSET      8

#define MIB_INFO_SIZE(S)                \
    (MAX_MIB_OFFSET + sizeof(S))

#define MIB_INFO_SIZE_IN_DWORDS(S)      \
    ((MIB_INFO_SIZE(S))/sizeof(DWORD) + 1)

#define DEFINE_MIB_BUFFER(X,Y,Z)                                        \
    DWORD		__rgdwBuff[MIB_INFO_SIZE_IN_DWORDS(Y)]; \
    PMIB_OPAQUE_INFO    X = (PMIB_OPAQUE_INFO)__rgdwBuff;               \
    Y *                 Z = (Y *)(X->rgbyData)


#define CAST_MIB_INFO(X,Y,Z)    Z = (Y)(X->rgbyData)


#endif //__ROUTING_IPRTRMIB_H__