@Override protected void doWrite(SendHandler handler, ByteBuffer... data) { long timeout = getSendTimeout(); if (timeout < 1) { timeout = Long.MAX_VALUE; } SendHandlerToCompletionHandler sh2ch = new SendHandlerToCompletionHandler(handler); try { channel.write(data, 0, data.length, timeout, TimeUnit.MILLISECONDS, null, sh2ch); } catch (IllegalStateException ise) { sh2ch.failed(ise, null); } }
public void broadcast(@Observes @LeaderDataQualifier String leaderboard) { for (final Session s : CLIENTS) { if (s != null && s.isOpen()) { /** * Asynchronous push */ s.getAsyncRemote().sendText(leaderboard, new SendHandler() { @Override public void onResult(SendResult result) { if (result.isOK()) { //Logger.getLogger(MeetupGroupsLiveLeaderboardEndpoint.class.getName()).log(Level.INFO, " sent to client {0}", s.getId()); } else { Logger.getLogger(MeetupGroupsLiveLeaderboardEndpoint.class.getName()).log(Level.SEVERE, "Could not send to client " + s.getId(), result.getException()); } } }); } } }
public void onOpen(final Session session, EndpointConfig endpointConfig) { session.getAsyncRemote().sendText( "Client Success!Your id is: " + session.getId()); session.addMessageHandler(new MessageHandler.Whole<String>() { @Override public void onMessage(String message) { session.getAsyncRemote().sendObject(message, new SendHandler() { @Override public void onResult(SendResult result) { System.out.println(session.getId() + ":" + result.isOK()); } }); } }); }
/** * sendMessage is executed snychronously to avoid tomcat nativelib crashes. * @param session * @param message * @param handler */ public synchronized static void sendMessage(final Session session, final String message, final SendHandler handler) { // synchronized (session) { try { session.getBasicRemote().sendText(message); handler.onResult(new SendResult()); } catch (IOException ex) { Logger.getLogger(WebSocket.class.getName()).log(Level.SEVERE, null, ex); handler.onResult(new SendResult(ex)); try { //close broken session session.close(); } catch (IOException ex1) { Logger.getLogger(WebSocket.class.getName()).log(Level.SEVERE, null, ex1); } } // } // } }
@OnMessage public void onWebSocketText(String message) { System.out.println("Received TEXT message: " + message); try { if ((session != null) && (session.isOpen())) { System.out.println("Echoing back text message "+message); session.getAsyncRemote().sendText("Received: "+message,new SendHandler(){ @Override public void onResult(SendResult arg0) { if (!arg0.isOK()){ System.out.println("Error Sending Response: "+arg0.getException().getMessage()); } } }); } } catch (Exception e){ System.out.println("Error: "+e.getMessage()); e.printStackTrace(); } }
@Override public void writeData(ByteBuffer data) { if (!this.isConnected()) { System.err.println("attempted to write before connection is open."); return; } new Thread(() -> this.dataSession.getAsyncRemote().sendBinary(data, new SendHandler() { @Override public void onResult(SendResult arg0) { RemoteP2PConnection.this.executor.execute(new Runnable() { @Override public void run() { if (RemoteP2PConnection.this.handler != null) RemoteP2PConnection.this.handler.onDataSent(RemoteP2PConnection.this); } }); } })).start(); }
@Override public void onOpen(final Session session, EndpointConfig ec) { session.addMessageHandler(new MessageHandler.Whole<String>() { @Override public void onMessage(String data) { System.out.println("Received (MyEndpointHandler) : " + data); session.getAsyncRemote().sendText(data, new SendHandler() { @Override public void onResult(SendResult sr) { if (sr.isOK()) { System.out.println("Message written to the socket (handler)"); } else { System.out.println("Message NOT written to the socket (handler)"); sr.getException().printStackTrace(); } } }); } }); }
public void sendBytesByCompletion(ByteBuffer data, SendHandler handler) { if (data == null) { throw new IllegalArgumentException(sm.getString("wsRemoteEndpoint.nullData")); } if (handler == null) { throw new IllegalArgumentException(sm.getString("wsRemoteEndpoint.nullHandler")); } StateUpdateSendHandler sush = new StateUpdateSendHandler(handler); stateMachine.binaryStart(); startMessage(Constants.OPCODE_BINARY, data, true, sush); }
public void sendStringByCompletion(String text, SendHandler handler) { if (text == null) { throw new IllegalArgumentException(sm.getString("wsRemoteEndpoint.nullData")); } if (handler == null) { throw new IllegalArgumentException(sm.getString("wsRemoteEndpoint.nullHandler")); } stateMachine.textStart(); TextMessageSendHandler tmsh = new TextMessageSendHandler(handler, CharBuffer.wrap(text), true, encoder, encoderBuffer, this); tmsh.write(); // TextMessageSendHandler will update stateMachine when it completes }
void endMessage(SendHandler handler, SendResult result) { boolean doWrite = false; MessagePart mpNext = null; synchronized (messagePartLock) { fragmented = nextFragmented; text = nextText; mpNext = messagePartQueue.poll(); if (mpNext == null) { messagePartInProgress = false; } else if (!closed){ // Session may have been closed unexpectedly in the middle of // sending a fragmented message closing the endpoint. If this // happens, clearly there is no point trying to send the rest of // the message. doWrite = true; } } if (doWrite) { // Actual write has to be outside sync block to avoid possible // deadlock between messagePartLock and writeLock in // o.a.coyote.http11.upgrade.AbstractServletOutputStream writeMessagePart(mpNext); } wsSession.updateLastActive(); // Some handlers, such as the IntermediateMessageHandler, do not have a // nested handler so handler may be null. if (handler != null) { handler.onResult(result); } }
public TextMessageSendHandler(SendHandler handler, CharBuffer message, boolean isLast, CharsetEncoder encoder, ByteBuffer encoderBuffer, WsRemoteEndpointImplBase endpoint) { this.handler = handler; this.message = message; this.isLast = isLast; this.encoder = encoder.reset(); this.buffer = encoderBuffer; this.endpoint = endpoint; }
public OutputBufferSendHandler(SendHandler completion, ByteBuffer headerBuffer, ByteBuffer payload, byte[] mask, ByteBuffer outputBuffer, boolean flushRequired, WsRemoteEndpointImplBase endpoint) { this.handler = completion; this.headerBuffer = headerBuffer; this.payload = payload; this.mask = mask; this.outputBuffer = outputBuffer; this.flushRequired = flushRequired; this.endpoint = endpoint; }
@Override protected void doWrite(SendHandler handler, ByteBuffer... buffers) { this.handler = handler; this.buffers = buffers; // This is definitely the same thread that triggered the write so a // dispatch will be required. onWritePossible(true); }
/** * * @param t The throwable associated with any error that * occurred * @param useDispatch Should {@link SendHandler#onResult(SendResult)} be * called from a new thread, keeping in mind the * requirements of * {@link javax.websocket.RemoteEndpoint.Async} */ private void clearHandler(Throwable t, boolean useDispatch) { // Setting the result marks this (partial) message as // complete which means the next one may be sent which // could update the value of the handler. Therefore, keep a // local copy before signalling the end of the (partial) // message. SendHandler sh = handler; handler = null; buffers = null; if (sh != null) { if (useDispatch) { OnResultRunnable r = onResultRunnables.poll(); if (r == null) { r = new OnResultRunnable(onResultRunnables); } r.init(sh, t); if (executorService == null || executorService.isShutdown()) { // Can't use the executor so call the runnable directly. // This may not be strictly specification compliant in all // cases but during shutdown only close messages are going // to be sent so there should not be the issue of nested // calls leading to stack overflow as described in bug // 55715. The issues with nested calls was the reason for // the separate thread requirement in the specification. r.run(); } else { executorService.execute(r); } } else { if (t == null) { sh.onResult(new SendResult()); } else { sh.onResult(new SendResult(t)); } } } }
public MessagePart( boolean fin, int rsv, byte opCode, ByteBuffer payload, SendHandler intermediateHandler, SendHandler endHandler) { this.fin = fin; this.rsv = rsv; this.opCode = opCode; this.payload = payload; this.intermediateHandler = intermediateHandler; this.endHandler = endHandler; }
void endMessage(SendHandler handler, SendResult result) { boolean doWrite = false; MessagePart mpNext = null; synchronized (messagePartLock) { fragmented = nextFragmented; text = nextText; mpNext = messagePartQueue.poll(); if (mpNext == null) { messagePartInProgress = false; } else if (!closed) { // Session may have been closed unexpectedly in the middle of // sending a fragmented message closing the endpoint. If this // happens, clearly there is no point trying to send the rest of // the message. doWrite = true; } } if (doWrite) { // Actual write has to be outside sync block to avoid possible // deadlock between messagePartLock and writeLock in // o.a.coyote.http11.upgrade.AbstractServletOutputStream writeMessagePart(mpNext); } wsSession.updateLastActive(); // Some handlers, such as the IntermediateMessageHandler, do not have a // nested handler so handler may be null. if (handler != null) { handler.onResult(result); } }
/** * * @param t * The throwable associated with any error that occurred * @param useDispatch * Should {@link SendHandler#onResult(SendResult)} be called from * a new thread, keeping in mind the requirements of * {@link javax.websocket.RemoteEndpoint.Async} */ private void clearHandler(Throwable t, boolean useDispatch) { // Setting the result marks this (partial) message as // complete which means the next one may be sent which // could update the value of the handler. Therefore, keep a // local copy before signalling the end of the (partial) // message. SendHandler sh = handler; handler = null; buffers = null; if (sh != null) { if (useDispatch) { OnResultRunnable r = onResultRunnables.poll(); if (r == null) { r = new OnResultRunnable(onResultRunnables); } r.init(sh, t); if (executorService == null || executorService.isShutdown()) { // Can't use the executor so call the runnable directly. // This may not be strictly specification compliant in all // cases but during shutdown only close messages are going // to be sent so there should not be the issue of nested // calls leading to stack overflow as described in bug // 55715. The issues with nested calls was the reason for // the separate thread requirement in the specification. r.run(); } else { executorService.execute(r); } } else { if (t == null) { sh.onResult(new SendResult()); } else { sh.onResult(new SendResult(t)); } } } }
public MessagePart(boolean fin, int rsv, byte opCode, ByteBuffer payload, SendHandler intermediateHandler, SendHandler endHandler) { this.fin = fin; this.rsv = rsv; this.opCode = opCode; this.payload = payload; this.intermediateHandler = intermediateHandler; this.endHandler = endHandler; }
public void sendStringByCompletion(String text, SendHandler handler) { stateMachine.textStart(); TextMessageSendHandler tmsh = new TextMessageSendHandler(handler, CharBuffer.wrap(text), true, encoder, encoderBuffer, this); tmsh.write(); // TextMessageSendHandler will update stateMachine when it completes }
void startMessage(byte opCode, ByteBuffer payload, boolean last, SendHandler handler) { wsSession.updateLastActive(); MessagePart mp = new MessagePart(opCode, payload, last, handler, this); boolean doWrite = false; synchronized (messagePartLock) { if (Constants.OPCODE_CLOSE == mp.getOpCode()) { try { setBatchingAllowed(false); } catch (IOException e) { log.warn(sm.getString( "wsRemoteEndpoint.flushOnCloseFailed"), e); } } if (messagePartInProgress) { // When a control message is sent while another message is being // sent, the control message is queued. Chances are the // subsequent data message part will end up queued while the // control message is sent. The logic in this class (state // machine, EndMessageHandler, TextMessageSendHandler) ensures // that there will only ever be one data message part in the // queue. There could be multiple control messages in the queue. // Add it to the queue messagePartQueue.add(mp); } else { messagePartInProgress = true; doWrite = true; } } if (doWrite) { // Actual write has to be outside sync block to avoid possible // deadlock between messagePartLock and writeLock in // o.a.coyote.http11.upgrade.AbstractServletOutputStream writeMessagePart(mp); } }
void endMessage(SendHandler handler, SendResult result) { boolean doWrite = false; MessagePart mpNext = null; synchronized (messagePartLock) { fragmented = nextFragmented; text = nextText; mpNext = messagePartQueue.poll(); if (mpNext == null) { messagePartInProgress = false; } else if (!closed){ // Session may have been closed unexpectedly in the middle of // sending a fragmented message closing the endpoint. If this // happens, clearly there is no point trying to send the rest of // the message. doWrite = true; } } if (doWrite) { // Actual write has to be outside sync block to avoid possible // deadlock between messagePartLock and writeLock in // o.a.coyote.http11.upgrade.AbstractServletOutputStream writeMessagePart(mpNext); } wsSession.updateLastActive(); handler.onResult(result); }
public MessagePart(byte opCode, ByteBuffer payload, boolean last, SendHandler handler, WsRemoteEndpointImplBase endpoint) { this.opCode = opCode; this.payload = payload; this.last = last; this.handler = new EndMessageHandler(endpoint, handler); }
