@Override
public final void incomingError(Throwable e) {
if (LOG.isDebugEnabled()) {
LOG.debug("incoming(WebSocketException)", e);
}
if (e instanceof CloseException) {
CloseException close = (CloseException) e;
terminateConnection(close.getStatusCode(), close.getMessage());
}
onError(e);
}
/** Open/Activate the session */
public void open() {
if (LOG_OPEN.isDebugEnabled())
LOG_OPEN.debug("[{}] {}.open()", policy.getBehavior(), this.getClass().getSimpleName());
if (remote != null) {
// already opened
return;
}
try (ThreadClassLoaderScope scope = new ThreadClassLoaderScope(classLoader)) {
// Upgrade success
connection.getIOState().onConnected();
// Connect remote
remote = new WebSocketRemoteEndpoint(connection, outgoingHandler, getBatchMode());
if (LOG_OPEN.isDebugEnabled())
LOG_OPEN.debug(
"[{}] {}.open() remote={}",
policy.getBehavior(),
this.getClass().getSimpleName(),
remote);
// Open WebSocket
websocket.openSession(this);
// Open connection
connection.getIOState().onOpened();
if (LOG.isDebugEnabled()) {
LOG.debug("open -> {}", dump());
}
} catch (CloseException ce) {
LOG.warn(ce);
close(ce.getStatusCode(), ce.getMessage());
} catch (Throwable t) {
LOG.warn(t);
// Exception on end-user WS-Endpoint.
// Fast-fail & close connection with reason.
int statusCode = StatusCode.SERVER_ERROR;
if (policy.getBehavior() == WebSocketBehavior.CLIENT) {
statusCode = StatusCode.POLICY_VIOLATION;
}
close(statusCode, t.getMessage());
}
}
@Override
public void incomingFrame(Frame frame) {
if (LOG.isDebugEnabled()) {
LOG.debug("{}.onFrame({})", websocket.getClass().getSimpleName(), frame);
}
try {
onFrame(frame);
byte opcode = frame.getOpCode();
switch (opcode) {
case OpCode.CLOSE:
{
boolean validate = true;
CloseFrame closeframe = (CloseFrame) frame;
CloseInfo close = new CloseInfo(closeframe, validate);
// notify user websocket pojo
onClose(close);
// process handshake
session.getConnection().getIOState().onCloseRemote(close);
return;
}
case OpCode.PING:
{
if (LOG.isDebugEnabled()) {
LOG.debug("PING: {}", BufferUtil.toDetailString(frame.getPayload()));
}
ByteBuffer pongBuf;
if (frame.hasPayload()) {
pongBuf = ByteBuffer.allocate(frame.getPayload().remaining());
BufferUtil.put(frame.getPayload().slice(), pongBuf);
BufferUtil.flipToFlush(pongBuf, 0);
} else {
pongBuf = ByteBuffer.allocate(0);
}
onPing(frame.getPayload());
session.getRemote().sendPong(pongBuf);
break;
}
case OpCode.PONG:
{
if (LOG.isDebugEnabled()) {
LOG.debug("PONG: {}", BufferUtil.toDetailString(frame.getPayload()));
}
onPong(frame.getPayload());
break;
}
case OpCode.BINARY:
{
onBinaryFrame(frame.getPayload(), frame.isFin());
return;
}
case OpCode.TEXT:
{
onTextFrame(frame.getPayload(), frame.isFin());
return;
}
case OpCode.CONTINUATION:
{
onContinuationFrame(frame.getPayload(), frame.isFin());
return;
}
default:
{
LOG.debug("Unhandled OpCode: {}", opcode);
}
}
} catch (NotUtf8Exception e) {
terminateConnection(StatusCode.BAD_PAYLOAD, e.getMessage());
} catch (CloseException e) {
terminateConnection(e.getStatusCode(), e.getMessage());
} catch (Throwable t) {
unhandled(t);
}
}