/// <summary>
/// This function is equivalent to
/// <seealso cref="WinDivertRecv(IntPtr, WinDivertBuffer, ref WinDivertAddress)" /> except
/// that it supports overlapped I/O via the lpOverlapped parameter.
/// </summary>
/// <param name="handle">
/// A valid WinDivert handle created by <seealso cref="WinDivertOpen(string, WinDivertLayer, short, WinDivertOpenFlags)" />
/// </param>
/// <param name="packet">
/// A buffer for the captured packet.
/// </param>
/// <param name="flags">
/// Reserved, set to zero.
/// </param>
/// <param name="address">
/// The <seealso cref="WinDivertAddress" /> of the captured packet.
/// </param>
/// <param name="lpOverlapped">
/// An optional <seealso cref="NativeOverlapped" /> instance.
/// </param>
/// <returns>
/// TRUE if a packet was successfully received, or FALSE otherwise. Use
/// <seealso cref="Marshal.GetLastWin32Error" /> to get the reason. The error code
/// ERROR_IO_PENDING indicates that the overlapped operation has been successfully initiated
/// and that completion will be indicated at a later time. All other codes indicate an error.
/// </returns>
public static bool WinDivertRecvEx(IntPtr handle, WinDivertBuffer packet, uint flags, ref WinDivertAddress address, ref NativeOverlapped lpOverlapped)
{
fixed(WinDivertAddress *pAddress = &address)
{
uint readLen = 0;
// Presently, flags is simply "reserved"
var result = WinDivertNative.WinDivertRecvEx(handle, packet.BufferPointer, (uint)packet.Length, 0, ref address, ref readLen, ref lpOverlapped);
return(result);
}
}
/// <summary>
/// This function is equivalent to
/// <seealso cref="WinDivertRecv(IntPtr, WinDivertBuffer, ref WinDivertAddress, ref uint)" />
/// except that it supports overlapped I/O via the lpOverlapped parameter.
/// </summary>
/// <param name="handle">
/// A valid WinDivert handle created by <seealso cref="WinDivertOpen(string, WinDivertLayer, short, WinDivertOpenFlags)" />
/// </param>
/// <param name="packet">
/// A buffer for the captured packet.
/// </param>
/// <param name="flags">
/// Reserved, set to zero.
/// </param>
/// <param name="address">
/// The <seealso cref="WinDivertAddress" /> of the captured packet.
/// </param>
/// <param name="readLen">
/// The total number of bytes written to packet.
/// </param>
/// <param name="lpOverlapped">
/// An optional <seealso cref="NativeOverlapped" /> instance.
/// </param>
/// <returns>
/// TRUE if a packet was successfully received, or FALSE otherwise. Use
/// <seealso cref="Marshal.GetLastWin32Error" /> to get the reason. The error code
/// ERROR_IO_PENDING indicates that the overlapped operation has been successfully initiated
/// and that completion will be indicated at a later time. All other codes indicate an error.
/// </returns>
public static bool WinDivertRecvEx(IntPtr handle, ref WinDivertBuffer packet, uint flags, ref WinDivertAddress address, ref NativeOverlapped lpOverlapped)
{
return WinDivertNative.WinDivertRecvEx(handle, packet.BufferPointer, packet.Length, flags, ref address, ref packet.Length, ref lpOverlapped);
}
