public static unsafe extern Win32ErrorCode GetExtendedTcpTable(
void *pTcpTable,
ref int pdwSize,
bool bOrder,
AddressFamily ulAf,
TCP_TABLE_CLASS TableClass,
uint Reserved);
public static extern UInt32 GetExtendedTcpTable(
IntPtr pTcpTable,
ref Int32 dwSize,
bool bOrder,
UInt32 ulAfInetVersion,
TCP_TABLE_CLASS TableClass,
UInt32 Reserved);
internal static extern uint GetExtendedTcpTable(
IntPtr tcpTable,
ref int tcpTableLength,
bool sort,
int ipVersion,
TCP_TABLE_CLASS tcpTableType,
int reserved = 0);
extern public static int GetExtendedTcpTable(
IntPtr pTcpTable,
ref int pdwSize,
bool bOrder,
uint ulAf,
TCP_TABLE_CLASS TableClass,
int Reserved);
public static extern uint GetExtendedTcpTable(
IntPtr pTcpTable,
ref int dwOutBufLen,
bool sort,
_AddressFamily ipVersion,
TCP_TABLE_CLASS tblClass,
uint reserved = 0);
private static extern uint GetExtendedTcpTable(
IntPtr pTcpTable,
ref int dwOutBufLen,
[MarshalAs(UnmanagedType.Bool)] bool sort,
int ipVersion,
TCP_TABLE_CLASS tblClass,
uint reserved = 0);
public static extern uint GetExtendedTcpTable(
IntPtr pTcpTable,
ref int dwOutBufLen,
bool sort,
int ipVersion,
TCP_TABLE_CLASS tblClass,
int reserved);
public static extern unsafe int GetExtendedTcpTable(
[Out] byte *pTcpTable,
[In, Out] ref int pdwSize,
[In] bool bOrder,
[In] int ulAf,
[In] TCP_TABLE_CLASS TableClass,
[In] uint Reserved
);
internal static extern Win32Error GetExtendedTcpTable(
SafeBuffer pTcpTable,
ref int pdwSize,
[MarshalAs(UnmanagedType.Bool)]
bool bOrder,
AddressFamily ulAf,
TCP_TABLE_CLASS TableClass,
int Reserved
);
private static unsafe int EstimateBufferSize(AddressFamily addressFamily, TCP_TABLE_CLASS tableClass)
{
var size = 0;
var status = IPHlpApi.GetExtendedTcpTable(null, ref size, false, addressFamily, tableClass, 0);
if (status != (int)ErrorCodes.ERROR_INSUFFICIENT_BUFFER)
{
Win32ExceptionUtility.Throw(status);
}
return(size);
}
public extern static int GetExtendedTcpTable(IntPtr Table, ref int Size,
bool Order, int IpVersion, // 2 for IPv4
TCP_TABLE_CLASS TableClass, int Reserved);
public extern static int GetExtendedTcpTable(IntPtr Table, ref int Size,
bool Order, int IpVersion, // 2 for IPv4
TCP_TABLE_CLASS TableClass, int Reserved);
private static extern UInt32 GetExtendedTcpTable(IntPtr pTcpTable,
ref Int32 dwOutBufLen,
Boolean sort,
Int32 ipVersion,
TCP_TABLE_CLASS tblClass,
Int32 reserved);
public static extern uint GetExtendedTcpTable(IntPtr pTcpTable, ref UInt32 pdwSize, Boolean bOrder, UInt32 ulAf, TCP_TABLE_CLASS TableClass, UInt32 Reserved);
static extern DWORD GetExtendedTcpTable( PVOID pTcpTable, ref DWORD pdwSize, BOOL bOrder, ULONG ulAf, TCP_TABLE_CLASS TableClass, ULONG Reserved = 0 );
public static extern UInt32 GetExtendedTcpTable(IntPtr pTcpTable, ref UInt32 dwOutBufLen, [MarshalAs(UnmanagedType.Bool)] bool order, AF_INET ipVersion, TCP_TABLE_CLASS tblClass, UInt32 reserved);
public static extern UInt32 GetExtendedTcpTable(
IntPtr pTcpTable, ref UInt32 dwOutBufLen, bool sort, int ipVersion, TCP_TABLE_CLASS tblClass, uint reserved = 0);
public extern static uint GetExtendedTcpTable(IntPtr pTable, ref int dwSize, bool bOrder, int ulAdressFamily, TCP_TABLE_CLASS dwFlag, int Reserved);
public static extern int GetExtendedTcpTable(IntPtr pTcpTable, ref int pdwSize, bool bOrder, int ipVersion, TCP_TABLE_CLASS tblClass, int reserved);
internal static extern uint GetExtendedTcpTable(IntPtr pTcpTable, ref uint dwOutBufLen, [MarshalAs(UnmanagedType.Bool)] bool sort, AF_INET ipVersion, TCP_TABLE_CLASS tblClass, uint reserved);
public static extern UInt32 GetExtendedTcpTable(
IntPtr pTcpTable, ref UInt32 dwOutBufLen, bool sort, int ipVersion, TCP_TABLE_CLASS tblClass, uint reserved = 0);
public static extern int GetExtendedTcpTable(byte[] pTcpTable, out int dwOutBufLen, bool sort,
int ipVersion, TCP_TABLE_CLASS tblClass, int reserved);
private static extern uint GetExtendedTcpTable(IntPtr pTcpTable, ref int pdwSize, bool bOrder, int ulAf, TCP_TABLE_CLASS TableClass, uint Reserved = 0);
public static extern uint GetExtendedTcpTable(IntPtr tcpTable, ref int tcpTableLength, bool sort, int ipVersion, TCP_TABLE_CLASS tcpTableClass, uint reserved = 0);
public static extern ERROR GetExtendedTcpTable(IntPtr pTcpTable, ref int dwSize, bool bOrder, FAMILY Family, TCP_TABLE_CLASS TableClass, uint Reserved);
static extern int GetExtendedTcpTable(byte[] pTcpTable,
ref int bufferlength,
bool sort,
int ipVersion,
TCP_TABLE_CLASS tblClass,
int reserved);
public static extern uint GetExtendedTcpTable(IntPtr tcpTable, ref int tcpTableLength, bool sort, uint ipVersion, TCP_TABLE_CLASS tcpTableClass, uint reserved = 0);
public static extern uint GetExtendedTcpTable([NativeTypeName("PVOID")] void *pTcpTable, [NativeTypeName("PDWORD")] uint *pdwSize, BOOL bOrder, [NativeTypeName("ULONG")] uint ulAf, TCP_TABLE_CLASS TableClass, [NativeTypeName("ULONG")] uint Reserved);
private static extern uint GetExtendedTcpTable(IntPtr pTcpTable, ref int dwOutBufLen, bool sort, int ipVersion, TCP_TABLE_CLASS tblClass, int reserved);
private static extern int GetExtendedTcpTable(IntPtr pTcpTable, ref int dwOutBufLen, bool bOrder, UInt32 /*ulong*/ dwFamily, TCP_TABLE_CLASS dwClass, UInt32 /*ulong*/ dwReserved);
private static NtResult <TcpListenerInformation[]> GetTcpListeners <T>(AddressFamily address_family, TCP_TABLE_CLASS table_class, bool throw_on_error) where T : struct, ITcpTable <T>
{
int curr_size = 64 * 1024;
int retry_count = 10;
while (retry_count-- > 0)
{
using (var buffer = new SafeStructureInOutBuffer <T>(curr_size, true))
{
var error = Win32NetworkNativeMethods.GetExtendedTcpTable(buffer, ref curr_size,
true, address_family, table_class, 0);
if (error == Win32Error.ERROR_INSUFFICIENT_BUFFER)
{
continue;
}
if (error != Win32Error.SUCCESS)
{
return(error.CreateResultFromDosError <TcpListenerInformation[]>(throw_on_error));
}
return(buffer.Result.GetListeners(buffer).CreateResult());
}
}
return(NtStatus.STATUS_BUFFER_TOO_SMALL.CreateResultFromError <TcpListenerInformation[]>(throw_on_error));
}
public static extern int GetExtendedTcpTable(byte[] pTcpTable, out int dwOutBufLen, bool sort,
int ipVersion, TCP_TABLE_CLASS tblClass, int reserved);
private static NtResult <TcpListenerInformation[]> GetTcpListeners <T>(AddressFamily address_family, TCP_TABLE_CLASS table_class, bool throw_on_error) where T : struct, IIpTable <T, TcpListenerInformation>
{
return(GetListeners <T, TcpListenerInformation, TCP_TABLE_CLASS>(Win32NetworkNativeMethods.GetExtendedTcpTable, address_family, table_class, throw_on_error));
}