@Override
protected void flushCache() throws SockJsTransportFailureException {
while (!getMessageCache().isEmpty()) {
String message = getMessageCache().poll();
SockJsMessageCodec messageCodec = getSockJsServiceConfig().getMessageCodec();
SockJsFrame frame = SockJsFrame.messageFrame(messageCodec, message);
writeFrame(frame);
this.byteCount += frame.getContentBytes().length + 1;
if (logger.isTraceEnabled()) {
logger.trace(
this.byteCount
+ " bytes written so far, "
+ getMessageCache().size()
+ " more messages not flushed");
}
if (this.byteCount >= getSockJsServiceConfig().getStreamBytesLimit()) {
if (logger.isTraceEnabled()) {
logger.trace("Streamed bytes limit reached. Recycling current request");
}
resetRequest();
this.byteCount = 0;
break;
}
}
scheduleHeartbeat();
}
protected void handleRequestInternal(
ServerHttpRequest request,
ServerHttpResponse response,
AbstractHttpSockJsSession sockJsSession)
throws SockJsException {
if (sockJsSession.isNew()) {
if (logger.isDebugEnabled()) {
logger.debug(request.getMethod() + " " + request.getURI());
}
sockJsSession.handleInitialRequest(request, response, getFrameFormat(request));
} else if (sockJsSession.isClosed()) {
if (logger.isDebugEnabled()) {
logger.debug("Connection already closed (but not removed yet) for " + sockJsSession);
}
SockJsFrame frame = SockJsFrame.closeFrameGoAway();
try {
response.getBody().write(frame.getContentBytes());
} catch (IOException ex) {
throw new SockJsException("Failed to send " + frame, sockJsSession.getId(), ex);
}
} else if (!sockJsSession.isActive()) {
if (logger.isTraceEnabled()) {
logger.trace("Starting " + getTransportType() + " async request.");
}
sockJsSession.handleSuccessiveRequest(request, response, getFrameFormat(request));
} else {
if (logger.isDebugEnabled()) {
logger.debug(
"Another " + getTransportType() + " connection still open for " + sockJsSession);
}
String formattedFrame =
getFrameFormat(request).format(SockJsFrame.closeFrameAnotherConnectionOpen());
try {
response.getBody().write(formattedFrame.getBytes(SockJsFrame.CHARSET));
} catch (IOException ex) {
throw new SockJsException("Failed to send " + formattedFrame, sockJsSession.getId(), ex);
}
}
}