public void sendMessage(Address address, byte[] message) throws java.io.IOException { Socket s = null; SocketEntry entry = (SocketEntry) sockets.get(address); if (logger.isDebugEnabled()) { logger.debug("Looking up connection for destination '" + address + "' returned: " + entry); logger.debug(sockets.toString()); } if (entry != null) { s = entry.getSocket(); } if ((s == null) || (s.isClosed())) { if (logger.isDebugEnabled()) { logger.debug("Socket for address '" + address + "' is closed, opening it..."); } SocketChannel sc = null; try { // Open the channel, set it to non-blocking, initiate connect sc = SocketChannel.open(); sc.configureBlocking(false); sc.connect( new InetSocketAddress( ((TcpAddress) address).getInetAddress(), ((TcpAddress) address).getPort())); s = sc.socket(); entry = new SocketEntry((TcpAddress) address, s); entry.addMessage(message); sockets.put(address, entry); synchronized (pending) { pending.add(entry); } selector.wakeup(); logger.debug("Trying to connect to " + address); } catch (IOException iox) { logger.error(iox); throw iox; } } else { entry.addMessage(message); synchronized (pending) { pending.add(entry); } selector.wakeup(); } }
private void processPending() { synchronized (pending) { while (pending.size() > 0) { SocketEntry entry = (SocketEntry) pending.removeFirst(); try { // Register the channel with the selector, indicating // interest in connection completion and attaching the // target object so that we can get the target back // after the key is added to the selector's // selected-key set if (entry.getSocket().isConnected()) { entry.getSocket().getChannel().register(selector, SelectionKey.OP_WRITE, entry); } else { entry.getSocket().getChannel().register(selector, SelectionKey.OP_CONNECT, entry); } } catch (IOException iox) { logger.error(iox); // Something went wrong, so close the channel and // record the failure try { entry.getSocket().getChannel().close(); TransportStateEvent e = new TransportStateEvent( DefaultTcpTransportMapping.this, entry.getPeerAddress(), TransportStateEvent.STATE_CLOSED, iox); fireConnectionStateChanged(e); } catch (IOException ex) { logger.error(ex); } lastError = iox; } } } }