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MIB_UDPTABLE (Compact 2013)

  • Article

3/26/2014

This structure contains a table of MIB_UDPROW structures.

Syntax

typedef struct _MIB_UDPTABLE {
  DWORD dwNumEntries; 
  MIB_UDPROW table[ANY_SIZE]; 
} MIB_UDPTABLE, *PMIB_UDPTABLE;

Members

  • dwNumEntries
    The number of entries in the table.
  • table
    Pointer to an array of MIB_UDPROW structures

Remarks

The GetUdpTable function enumerates the table of UDP endpoints for IPv4 that have been bound to an address on the local device and returns this information in a MIB_UDPTABLE structure. This table includes the local IPv4 address and port information for sending and receiving UDP datagrams on the local device. An array of MIB_UDPROW structures are contained in the MIB_UDPTABLE structure.

The MIB_UDPTABLE structure can contain padding for alignment between the dwNumEntries member and the first MIB_UDPROW array entry in the table member. Padding for alignment can also be present between the MIB_UDPROW array entries in the table member. Any access to a MIB_UDPROW array entry should assume padding can exist.

The MIB_UDPTABLE structure contains the UDP listener table for IPv4 on the local device. The name is based on the definition of this table in RFC 1213 published by the IETF. This table contains UDP endpoints for IPv4 that have been bound to an address. Be aware that an application can create a UDP socket and bind it to an address for the sole purpose of sending a UDP datagram, without an intention of receiving packets by using this socket (functioning as a listener).

The MIB_UDPTABLE_OWNER_MODULE structure is an improved version of the MIB_UDPTABLE_OWNER_PID structure that includes any available ownership data for each UDP endpoint in the table. The MIB_UDPTABLE_OWNER_PID is an improved version of the MIB_UDPTABLE that includes the process ID (PID) that issued the call to the bind function for each UDP endpoint in the table.

The header file organization has changed. This structure is defined in the Udpmib.h header file instead of in the Iprtrmib.h header file. Be aware that the Udpmib.h header file is automatically included in Iprtrmib.h, which is automatically included in the Iphlpapi.h header file. The Udpmib.h and Iprtrmib.h header files should never be used directly.

Requirements

Header

iprtrmib.h,
ws2def.h,
ws2ipdef.h

See Also

Reference

MIB Structures
GetExtendedUdpTable
GetUdp6Table
GetUdpTable
IP Helper Structures
MIB_UDP6ROW
MIB_UDP6ROW_OWNER_MODULE
MIB_UDP6ROW_OWNER_PID
MIB_UDP6TABLE
MIB_UDP6TABLE_OWNER_MODULE
MIB_UDP6TABLE_OWNER_PID
MIB_UDPROW
MIB_UDPROW_OWNER_MODULE
MIB_UDPROW_OWNER_PID
MIB_UDPTABLE_OWNER_MODULE
MIB_UDPTABLE_OWNER_PID