@Override
public synchronized int onEvent(
int evtSubscribeNotifyAction, WinDef.PVOID userContext, WinNT.HANDLE eventHandle) {
if (logger.isDebugEnabled()) {
logger.debug("onEvent(" + evtSubscribeNotifyAction + ", " + userContext + ", " + eventHandle);
}
if (evtSubscribeNotifyAction == WEvtApi.EvtSubscribeNotifyAction.ERROR) {
if (eventHandle.getPointer().getInt(0)
== WEvtApi.EvtSubscribeErrors.ERROR_EVT_QUERY_RESULT_STALE) {
logger.error(MISSING_EVENT_MESSAGE);
} else {
logger.error(RECEIVED_THE_FOLLOWING_WIN32_ERROR + eventHandle.getPointer().getInt(0));
}
} else if (evtSubscribeNotifyAction == WEvtApi.EvtSubscribeNotifyAction.DELIVER) {
wEvtApi.EvtRender(
null, eventHandle, WEvtApi.EvtRenderFlags.EVENT_XML, size, buffer, used, propertyCount);
// Not enough room in buffer, resize so it's big enough
if (kernel32.GetLastError() == W32Errors.ERROR_INSUFFICIENT_BUFFER) {
int newMaxSize = used.getInt(0);
// Check for overflow or too big
if (newMaxSize < size || newMaxSize > maxBufferSize) {
logger.error(
"Dropping event "
+ eventHandle
+ " because it couldn't be rendered within "
+ maxBufferSize
+ " bytes.");
// Ignored, see
// https://msdn.microsoft.com/en-us/library/windows/desktop/aa385577(v=vs.85).aspx
return 0;
}
size = newMaxSize;
buffer = new Memory(size);
wEvtApi.EvtRender(
null, eventHandle, WEvtApi.EvtRenderFlags.EVENT_XML, size, buffer, used, propertyCount);
}
int lastError = kernel32.GetLastError();
if (lastError == W32Errors.ERROR_SUCCESS) {
int usedBytes = used.getInt(0);
String string = Charsets.UTF_16LE.decode(buffer.getByteBuffer(0, usedBytes)).toString();
if (string.endsWith("\u0000")) {
string = string.substring(0, string.length() - 1);
}
consumer.accept(string);
} else {
logger.error(
EVT_RENDER_RETURNED_THE_FOLLOWING_ERROR_CODE + errorLookup.getLastError() + ".");
}
}
// Ignored, see https://msdn.microsoft.com/en-us/library/windows/desktop/aa385577(v=vs.85).aspx
return 0;
}
@Override
public void display(
DirectMediaPlayer mediaPlayer, Memory[] nativeBuffers, BufferFormat bufferFormat) {
Memory nativeBuffer = nativeBuffers[0];
ByteBuffer byteBuffer = nativeBuffer.getByteBuffer(0, nativeBuffer.size());
pixelWriter.setPixels(
0,
0,
bufferFormat.getWidth(),
bufferFormat.getHeight(),
pixelFormat,
byteBuffer,
bufferFormat.getPitches()[0]);
}
public SockFProg(SockFilter filters[]) {
len = (short) filters.length;
// serialize struct sock_filter * explicitly, its less confusing than the JNA magic we would
// need
Memory filter = new Memory(len * 8);
ByteBuffer bbuf = filter.getByteBuffer(0, len * 8);
bbuf.order(ByteOrder.nativeOrder()); // little endian
for (SockFilter f : filters) {
bbuf.putShort(f.code);
bbuf.put(f.jt);
bbuf.put(f.jf);
bbuf.putInt(f.k);
}
this.filter = filter;
}
@Override
public void display(Memory memory) {
if (BUFFER_SIZE <= 0) return;
videoBuffer = memory.getByteBuffer(0, BUFFER_SIZE);
newBuffer = true;
}