@Override public void messageReceived(ChannelHandlerContext ctx, MessageEvent e) throws Exception { HttpRequest request = (HttpRequest) e.getMessage(); if (request.getContent().readableBytes() == 0) { BaseTransport.respond(e.getChannel(), INTERNAL_SERVER_ERROR, "Payload expected."); return; } transportMetrics.messagesReceived.mark(); transportMetrics.messagesReceivedSize.update(request.getContent().readableBytes()); // logger.debug("Received {}", request.getContent().toString(CharsetUtil.UTF_8)); String contentTypeHeader = request.getHeader(CONTENT_TYPE); if (contentTypeHeader == null) { contentTypeHeader = BaseTransport.CONTENT_TYPE_PLAIN; } String decodedContent; if (BaseTransport.CONTENT_TYPE_FORM.equals(contentTypeHeader)) { QueryStringDecoder decoder = new QueryStringDecoder("?" + request.getContent().toString(CharsetUtil.UTF_8)); List<String> d = decoder.getParameters().get("d"); if (d == null) { BaseTransport.respond(e.getChannel(), INTERNAL_SERVER_ERROR, "Payload expected."); return; } decodedContent = d.get(0); } else { decodedContent = request.getContent().toString(CharsetUtil.UTF_8); } if (decodedContent.length() == 0) { BaseTransport.respond(e.getChannel(), INTERNAL_SERVER_ERROR, "Payload expected."); return; } String[] messages = MAPPER.readValue(decodedContent, String[].class); for (String message : messages) { SockJsMessage jsMessage = new SockJsMessage(message); ctx.sendUpstream(new UpstreamMessageEvent(e.getChannel(), jsMessage, e.getRemoteAddress())); } if (isJsonpEnabled) { BaseTransport.respond(e.getChannel(), OK, "ok"); } else { BaseTransport.respond(e.getChannel(), NO_CONTENT, ""); } }
@Override public void exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent e) throws Exception { if (e.getCause() instanceof JsonParseException) { BaseTransport.respond( e.getChannel(), HttpResponseStatus.INTERNAL_SERVER_ERROR, "Broken JSON encoding."); } else if (e.getCause() instanceof SessionHandler.NotFoundException) { BaseTransport.respond( e.getChannel(), HttpResponseStatus.NOT_FOUND, "Session not found. Cannot send data to non-existing session."); } else { super.exceptionCaught(ctx, e); } }