public void addBridgeFilters(IoFilterChain bridgeFilterChain, WsebSession wsebSession) {
bridgeFilterChain.addLast(CODEC_FILTER, codec);
if (encoding != null) {
bridgeFilterChain.addBefore(CODEC_FILTER, ENCODING_FILTER, encoding);
}
}
@Override
protected void doSessionOpened(HttpSession readSession) throws Exception {
IoFilterChain filterChain = readSession.getFilterChain();
filterChain.addLast(CODEC_FILTER, new WsebFrameCodecFilter(0));
ResourceAddress readAddress = readSession.getRemoteAddress();
final WsebSession wsebSession = sessionMap.get(readAddress);
assert (wsebSession != null);
wsebSession.attachReader(readSession);
if (wsebSession.getInactivityTimeout() > 0) {
// Activate inactivity timeout only once read session is established
currentSessionInactivityTracker.get().addSession(wsebSession);
}
readSession
.getCloseFuture()
.addListener(
new IoFutureListener<CloseFuture>() {
@Override
public void operationComplete(CloseFuture future) {
wsebSession.close(true);
}
});
}
@Override
protected void doSessionOpened(final HttpAcceptSession session) throws Exception {
WsebSession wsebSession = getSession(session);
if (wsebSession == null || wsebSession.isClosing()) {
session.close(false);
return;
}
IoFilterChain filterChain = session.getFilterChain();
filterChain.addLast(CODEC_FILTER, codec);
// only supported for non-binary upstream
if (utf8 != null) {
// Note: encoding filter needs to be closer to the network than the codec filter
String contentType = session.getReadHeader(HEADER_CONTENT_TYPE);
if (CONTENT_TYPE_TEXT_PLAIN_CHARSET_UTF_8.equalsIgnoreCase(contentType)) {
filterChain.addBefore(CODEC_FILTER, UTF8_FILTER, utf8);
}
}
final CloseFuture wsebCloseFuture = wsebSession.getCloseFuture();
final IoFutureListener<CloseFuture> listener =
new IoFutureListener<CloseFuture>() {
@Override
public void operationComplete(CloseFuture future) {
// Note: this reference to HTTP session is pinned by listener
// and must be removed to avoid a memory leak (see below)
session.close(false);
}
};
// detect when emulated session is closed to force upstream to close
wsebCloseFuture.addListener(listener);
// detect when upstream is closed to remove upstream reference from emulated session
session
.getCloseFuture()
.addListener(
new IoFutureListener<CloseFuture>() {
@Override
public void operationComplete(CloseFuture future) {
// Note: a reference to the HTTP upstream session is pinned by listener
// and must be removed to avoid a memory leak (see above)
wsebCloseFuture.removeListener(listener);
}
});
wsebSession.attachReader(session);
}
