public virtual int FilterGetMessage(IntPtr hPort,
ref ACCESS_REQUEST lpMessageBuffer,
int dwMessageBufferSize,
IntPtr lpOverlapped)
{
return(_FilterGetMessage(hPort, ref lpMessageBuffer, dwMessageBufferSize, lpOverlapped));
}
/// <summary>Gets request from the queue.</summary>
public virtual ACCESS_REQUEST GetRequest()
{
if (!IsRunning)
{
throw new InvalidOperationException("FileWall is stopped.");
}
var AccessRequest = new ACCESS_REQUEST();
var hr = fltLib.FilterGetMessage(portHandle, ref AccessRequest, Marshal.SizeOf(AccessRequest), IntPtr.Zero);
Marshal.ThrowExceptionForHR(hr);
return(AccessRequest);
}
/// <summary>Replies to the request.</summary>
public virtual void ReplyRequest(ACCESS_REQUEST AccessRequest, Boolean Allow)
{
if (!IsRunning)
{
throw new InvalidOperationException("FileWall is stopped.");
}
var Permission = new PERMISSION
{
Status = 0, // STATUS_SUCCESS
MessageId = AccessRequest.MessageId,
Allow = (Allow ? 1 : 0)
};
var hr = fltLib.FilterReplyMessage(portHandle, ref Permission, Marshal.SizeOf(Permission));
Marshal.ThrowExceptionForHR(hr);
}
private static extern int _FilterGetMessage(IntPtr hPort,
ref ACCESS_REQUEST lpMessageBuffer,
int dwMessageBufferSize,
IntPtr lpOverlapped);
