public static extern UInt32 GetExtendedUdpTable(
IntPtr pUdpTable,
ref Int32 dwSize,
bool bOrder,
UInt32 ulAfInetVersion,
UDP_TABLE_CLASS TableClass,
UInt32 Reserved);
public static extern uint GetExtendedUdpTable(
IntPtr pUdpTable,
ref uint dwOutBufLen,
bool sort,
int ipVersion,
UDP_TABLE_CLASS tblClass,
int reserved);
public static extern System.UInt32 GetExtendedUdpTable(
System.IntPtr Table,
ref System.UInt32 Size,
bool Order,
[System.Runtime.InteropServices.MarshalAs(System.Runtime.InteropServices.UnmanagedType.U4)]
Address_Family AF,
[System.Runtime.InteropServices.MarshalAs(System.Runtime.InteropServices.UnmanagedType.I4)]
UDP_TABLE_CLASS TableClass,
UInt32 Reserved);
internal static extern Win32Error GetExtendedUdpTable(
SafeBuffer pUdpTable,
ref int pdwSize,
[MarshalAs(UnmanagedType.Bool)]
bool bOrder,
AddressFamily ulAf,
UDP_TABLE_CLASS TableClass,
int Reserved
);
private static MIB_UDPTABLE_OWNER_PID[] getCurrentUDPListeners()
{
int buflen;
MIB_UDPTABLE_OWNER_PID[] tableContents;
int res = GetExtendedUdpTable(IntPtr.Zero, out buflen, false, 2, UDP_TABLE_OWNER_PID, 0);
if (res != 122) // error_more_data
{
throw new Win32Exception(res, "GetExtendedUdpTable (first) failed");
}
IntPtr tableBuffer = Marshal.AllocHGlobal(buflen);
try
{
res = GetExtendedUdpTable(tableBuffer, out buflen, false, 2, UDP_TABLE_OWNER_PID, 0);
if (res != 0)
{
throw new Win32Exception(res, "GetExtendedUdpTable (second) failed");
}
UDP_TABLE_CLASS table = (UDP_TABLE_CLASS)Marshal.PtrToStructure(tableBuffer, typeof(UDP_TABLE_CLASS));
tableContents = new MIB_UDPTABLE_OWNER_PID[(buflen - Marshal.SizeOf(typeof(UDP_TABLE_CLASS))) / Marshal.SizeOf(typeof(MIB_UDPTABLE_OWNER_PID))];
for (int rowIndex = 0; rowIndex < tableContents.Length; rowIndex++)
{
IntPtr pos = tableBuffer +
Marshal.SizeOf(typeof(UDP_TABLE_CLASS)) +
((Marshal.SizeOf(typeof(MIB_UDPTABLE_OWNER_PID))) * rowIndex);
MIB_UDPTABLE_OWNER_PID row = (MIB_UDPTABLE_OWNER_PID)Marshal.PtrToStructure(pos, typeof(MIB_UDPTABLE_OWNER_PID));
row.localPort = byteswap((UInt16)row.localPort);
tableContents[rowIndex] = row;
}
}
finally
{
Marshal.FreeHGlobal(tableBuffer);
}
return(tableContents);
}
private static NtResult <UdpListenerInformation[]> GetUdpListeners <T>(AddressFamily address_family, UDP_TABLE_CLASS table_class, bool throw_on_error) where T : struct, IIpTable <T, UdpListenerInformation>
{
return(GetListeners <T, UdpListenerInformation, UDP_TABLE_CLASS>(Win32NetworkNativeMethods.GetExtendedUdpTable, address_family, table_class, throw_on_error));
}
public static extern int GetExtendedUdpTable(byte[] pUdpTable, out int dwOutBufLen, bool sort,
int ipVersion, UDP_TABLE_CLASS tblClass, int reserved);
internal static extern uint GetExtendedUdpTable(IntPtr udpTable, ref int tableLength, bool sort, int ipVersion, UDP_TABLE_CLASS tableClass, uint reserved = 0);
public extern static int GetExtendedUdpTable(IntPtr Table, ref int Size,
bool Order, int IpVersion, // 2 for IPv4
UDP_TABLE_CLASS TableClass, int Reserved);
public static extern UInt32 GetExtendedUdpTable(IntPtr pUdpTable, ref UInt32 dwOutBufLen, bool order, AF_INET ipVersion, UDP_TABLE_CLASS tblClass, UInt32 reserved);
public static extern uint GetExtendedUdpTable(IntPtr pUdpTable, ref UInt32 pdwSize, Boolean bOrder, UInt32 ulAf, UDP_TABLE_CLASS TableClass, UInt32 Reserved);
private static extern UInt32 GetExtendedUdpTable(IntPtr pUdpTable, ref UInt32 pdwSize, Int32 bOrder, UInt32 ulAf, UDP_TABLE_CLASS TableClass, UInt32 Reserved);
private static extern UInt32 GetExtendedUdpTable(IntPtr pUdpTable, ref UInt32 pdwSize, Int32 bOrder, UInt32 ulAf, UDP_TABLE_CLASS TableClass, UInt32 Reserved);
private static extern uint GetExtendedUdpTable(IntPtr pTcpTable, ref int dwOutBufLen, bool sort, int ipVersion, UDP_TABLE_CLASS tblClass, uint reserved = 0);
public extern static int GetExtendedUdpTable(IntPtr Table, ref int Size,
bool Order, int IpVersion, // 2 for IPv4
UDP_TABLE_CLASS TableClass, int Reserved);
internal static extern uint GetExtendedUdpTable(IntPtr pUdpTable, ref int dwOutBufLen, bool sort, AF_INET ipVersion, UDP_TABLE_CLASS tblClass, uint reserved);
private static extern int GetExtendedUdpTable(IntPtr pTable, ref UInt32 dwOutBufLen, bool sort, int ipVersion, UDP_TABLE_CLASS tblClass, int reserved);
public static extern ERROR GetExtendedUdpTable(IntPtr pUdpTable, ref int dwSize, bool bOrder, FAMILY Family, UDP_TABLE_CLASS TableClass, uint Reserved);
public static extern uint GetExtendedUdpTable([NativeTypeName("PVOID")] void *pUdpTable, [NativeTypeName("PDWORD")] uint *pdwSize, BOOL bOrder, [NativeTypeName("ULONG")] uint ulAf, UDP_TABLE_CLASS TableClass, [NativeTypeName("ULONG")] uint Reserved);
public extern static uint GetExtendedUdpTable(IntPtr pTable, ref int dwSize, bool bOrder, int ulAdressFamily, UDP_TABLE_CLASS dwFlags, int Reserved);
public static extern int GetExtendedUdpTable(byte[] pUdpTable, out int dwOutBufLen, bool sort,
int ipVersion, UDP_TABLE_CLASS tblClass, int reserved);
public extern static int GetExtendedUdpTable(IntPtr pUdpTable, ref int pdwSize, bool bOrder, int ulAf,
UDP_TABLE_CLASS TableClass, uint Reserved);
