List of usage examples for java.nio.channels SelectionKey OP_ACCEPT
int OP_ACCEPT
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From source file:net.ymate.platform.serv.nio.support.NioEventGroup.java
protected void __doRegisterEvent() throws IOException { if (isServer()) { processor().registerEvent(__channel, SelectionKey.OP_ACCEPT, null); } else {/*from w ww . jav a 2 s .com*/ processor().registerEvent(__channel, SelectionKey.OP_CONNECT, session()); if (connectionTimeout() > 0) { session().connectSync(connectionTimeout()); } } }
From source file:com.taobao.gecko.core.nio.impl.SelectorManager.java
/** * channel/*w w w . ja va 2 s .c o m*/ * * @param channel * @param ops * @param attachment * @return */ public final Reactor registerChannel(final SelectableChannel channel, final int ops, final Object attachment) { this.awaitReady(); int index = 0; // AcceptReactor if (ops == SelectionKey.OP_ACCEPT || ops == SelectionKey.OP_CONNECT) { index = 0; } else { if (this.dividend > 0) { index = this.sets.incrementAndGet() % this.dividend + 1; } else { index = 0; } } final Reactor reactor = this.reactorSet[index]; reactor.registerChannel(channel, ops, attachment); return reactor; }
From source file:com.openteach.diamond.network.waverider.network.DefaultNetWorkServer.java
@Override public boolean init() { try {//from w w w.j a va2s. c o m selector = Selector.open(); serverSocketChannel = ServerSocketChannel.open(); serverSocketChannel.configureBlocking(false); serverSocketChannel.socket() .bind(hostName == null ? new InetSocketAddress(port) : new InetSocketAddress(hostName, port)); serverSocketChannel.register(selector, SelectionKey.OP_ACCEPT); // ?? // ?, socket? //readerExecutor = Executors.newFixedThreadPool(1, new WaveriderThreadFactory(NET_WORK_READER, null, true)); //writerExecutor = Executors.newFixedThreadPool(1, new WaveriderThreadFactory(NET_WORK_WRITER, null, true)); // ? netWorkServerThread = new Thread(this, NET_WORK_SERVER_THREAD_NAME); netWorkServerThread.setDaemon(true); } catch (IOException e) { logger.error("Init DefaultNetworkServer failed: ", e); throw new RuntimeException(e); } return true; }
From source file:org.reunionemu.jreunion.server.Network.java
@Override public void run() { logger.info("network thread starting"); while (true) { try {/*from w w w .j a v a2 s . c o m*/ // See if we've had any activity -- either an incoming connection, // or incoming data on an existing connection int num = selector.select(); if (num == 0) { // we need synchronize here otherwise we might block again before we were able to change the selector synchronized (this) { continue; } } // If we don't have any activity, loop around and wait again // Get the keys corresponding to the activity // that has been detected, and process them one by one Set<SelectionKey> keys = selector.selectedKeys(); Iterator<SelectionKey> it = keys.iterator(); while (it.hasNext()) { // Get a key representing one of bits of I/O activity SelectionKey key = it.next(); if (!key.isValid()) continue; SelectableChannel selectableChannel = key.channel(); // What kind of activity is it? if ((key.readyOps() & SelectionKey.OP_ACCEPT) == SelectionKey.OP_ACCEPT) { // It's an incoming connection. // Register this socket with the Selector // so we can listen for input on it SocketChannel clientSocketChannel = ((ServerSocketChannel) selectableChannel).accept(); processAccept(clientSocketChannel); } else { SocketChannel socketChannel = (SocketChannel) selectableChannel; if ((key.readyOps() & SelectionKey.OP_READ) == SelectionKey.OP_READ) { // It's incoming data on a connection, so process it boolean ok = processInput(socketChannel); // If the connection is dead, then remove it // from the selector and close it if (!ok) { LoggerFactory.getLogger(Network.class).info("Client Connection Lost"); key.cancel(); disconnect(socketChannel); } } else if ((key.readyOps() & SelectionKey.OP_WRITE) == SelectionKey.OP_WRITE) { boolean ok = processOutput(socketChannel); if (ok) { socketChannel.register(selector, SelectionKey.OP_READ); } } } } // We remove the selected keys, because we've dealt with them. keys.clear(); } catch (Exception e) { if (e instanceof ClosedSelectorException || e instanceof InterruptedException) return; LoggerFactory.getLogger(Network.class).error("Error in network", e); } } }
From source file:gridool.communication.transport.tcp.GridNioServer.java
private static void startListening(final Selector connectSelector, final int port) throws IOException { ServerSocketChannel serverChannel = ServerSocketChannel.open(); serverChannel.configureBlocking(false); ServerSocket servSocket = serverChannel.socket(); servSocket.setReuseAddress(true);// ww w . ja v a 2 s. c o m servSocket.bind(new InetSocketAddress(port)); serverChannel.register(connectSelector, SelectionKey.OP_ACCEPT); if (LOG.isInfoEnabled()) { LOG.info("GridNioServer is started at port: " + port); } }
From source file:com.l2jfree.network.mmocore.ReadWriteThread.java
private static String describeInterestOps(int interestOps) { final TreeSet<String> result = new TreeSet<String>(); if ((interestOps & SelectionKey.OP_ACCEPT) != 0) result.add("ACCEPT"); if ((interestOps & SelectionKey.OP_CONNECT) != 0) result.add("CONNECT"); if ((interestOps & SelectionKey.OP_READ) != 0) result.add("READ"); if ((interestOps & SelectionKey.OP_WRITE) != 0) result.add("WRITE"); return StringUtils.join(result, "|"); }
From source file:org.gcaldaemon.core.ldap.LDAPListener.java
LDAPListener(ContactLoader loader, FilterMask[] hosts, FilterMask[] addresses, int port) throws Exception { // Starting server log.info("LDAP server starting on port " + port + "..."); // Store pointers this.loader = loader; this.hosts = hosts; this.addresses = addresses; // Allocate an unbound server socket channel serverChannel = ServerSocketChannel.open(); // Get the associated ServerSocket to bind it with ServerSocket serverSocket = serverChannel.socket(); // Set the port the server channel will listen to serverSocket.bind(new InetSocketAddress(port)); // Set non-blocking mode for the listening socket serverChannel.configureBlocking(false); // Create a new Selector for use below selector = Selector.open();// w ww. ja v a2 s . com // Register the ServerSocketChannel with the Selector serverChannel.register(selector, SelectionKey.OP_ACCEPT); // Start thread start(); }
From source file:org.commoncrawl.io.internal.NIOSocketSelector.java
/** register a socket for ACCEPT events */ public void registerForAccept(NIOServerSocket theSocket) throws IOException { registerSocket(theSocket, SelectionKey.OP_ACCEPT); }
From source file:com.packetsender.android.PacketListenerService.java
@Override protected void onHandleIntent(Intent intent) { dataStore = new DataStorage(getSharedPreferences(DataStorage.PREFS_SETTINGS_NAME, 0), getSharedPreferences(DataStorage.PREFS_SAVEDPACKETS_NAME, 0), getSharedPreferences(DataStorage.PREFS_SERVICELOG_NAME, 0), getSharedPreferences(DataStorage.PREFS_MAINTRAFFICLOG_NAME, 0)); listenportTCP = dataStore.getTCPPort(); listenportUDP = dataStore.getUDPPort(); Log.i("service", DataStorage.FILE_LINE("TCP: " + listenportTCP + " / UDP: " + listenportUDP)); Intent notificationIntent = new Intent(getApplicationContext(), MainActivity.class); notificationIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_SINGLE_TOP); contentIntent = PendingIntent.getActivity(getApplicationContext(), 0, notificationIntent, 0); startNotification();//ww w. j a v a 2 s . c o m CharsetEncoder encoder = Charset.forName("US-ASCII").newEncoder(); ByteBuffer response = null; try { response = encoder.encode(CharBuffer.wrap("response")); } catch (CharacterCodingException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } try { SocketAddress localportTCP = new InetSocketAddress(listenportTCP); SocketAddress localportUDP = new InetSocketAddress(listenportUDP); tcpserver = ServerSocketChannel.open(); tcpserver.socket().bind(localportTCP); udpserver = DatagramChannel.open(); udpserver.socket().bind(localportUDP); tcpserver.configureBlocking(false); udpserver.configureBlocking(false); Selector selector = Selector.open(); tcpserver.register(selector, SelectionKey.OP_ACCEPT); udpserver.register(selector, SelectionKey.OP_READ); ByteBuffer receiveBuffer = ByteBuffer.allocate(1024); receiveBuffer.clear(); shutdownListener = new Runnable() { public void run() { if (false) { try { tcpserver.close(); } catch (IOException e) { } try { udpserver.close(); } catch (IOException e) { } stopSelf(); } else { mHandler.postDelayed(shutdownListener, 2000); } } }; sendListener = new Runnable() { public void run() { //Packet fetchedPacket = mDbHelper.needSendPacket(); Packet[] fetchedPackets = dataStore.fetchAllServicePackets(); if (fetchedPackets.length > 0) { dataStore.clearServicePackets(); Log.d("service", DataStorage.FILE_LINE("sendListener found " + fetchedPackets.length + " packets")); for (int i = 0; i < fetchedPackets.length; i++) { Packet fetchedPacket = fetchedPackets[i]; Log.d("service", DataStorage.FILE_LINE("send packet " + fetchedPacket.toString())); } new SendPacketsTask().execute(fetchedPackets); } mHandler.postDelayed(sendListener, 2000); } }; //start shutdown listener mHandler.postDelayed(shutdownListener, 2000); //start send listener mHandler.postDelayed(sendListener, 5000); while (true) { try { // Handle per-connection problems below // Wait for a client to connect Log.d("service", DataStorage.FILE_LINE("waiting for connection")); selector.select(); Log.d("service", DataStorage.FILE_LINE("client connection")); Set keys = selector.selectedKeys(); for (Iterator i = keys.iterator(); i.hasNext();) { SelectionKey key = (SelectionKey) i.next(); i.remove(); Channel c = (Channel) key.channel(); if (key.isAcceptable() && c == tcpserver) { SocketChannel client = tcpserver.accept(); if (client != null) { Socket tcpSocket = client.socket(); packetCounter++; DataInputStream in = new DataInputStream(tcpSocket.getInputStream()); byte[] buffer = new byte[1024]; int received = in.read(buffer); byte[] bufferConvert = new byte[received]; System.arraycopy(buffer, 0, bufferConvert, 0, bufferConvert.length); Packet storepacket = new Packet(); storepacket.tcpOrUdp = "TCP"; storepacket.fromIP = tcpSocket.getInetAddress().getHostAddress(); storepacket.toIP = "You"; storepacket.fromPort = tcpSocket.getPort(); storepacket.port = tcpSocket.getLocalPort(); storepacket.data = bufferConvert; UpdateNotification("TCP:" + storepacket.toAscii(), "From " + storepacket.fromIP); Log.i("service", DataStorage.FILE_LINE("Got TCP")); //dataStore.SavePacket(storepacket); /* Intent tcpIntent = new Intent(); tcpIntent.setAction(ResponseReceiver.ACTION_RESP); tcpIntent.addCategory(Intent.CATEGORY_DEFAULT); tcpIntent.putExtra(PARAM_OUT_MSG, storepacket.name); sendBroadcast(tcpIntent); */ storepacket.nowMe(); dataStore.saveTrafficPacket(storepacket); Log.d("service", DataStorage.FILE_LINE("sendBroadcast")); if (false) //mDbHelper.getSettings(PSDbAdapter.KEY_SETTINGS_SENDRESPONSE).equalsIgnoreCase("Yes")) { storepacket = new Packet(); storepacket.name = dataStore.currentTimeStamp(); ; storepacket.tcpOrUdp = "TCP"; storepacket.fromIP = "You"; storepacket.toIP = tcpSocket.getInetAddress().getHostAddress(); storepacket.fromPort = tcpSocket.getLocalPort(); storepacket.port = tcpSocket.getPort(); // storepacket.data = Packet.toBytes(mDbHelper.getSettings(PSDbAdapter.KEY_SETTINGS_SENDRESPONSETEXT)); storepacket.nowMe(); dataStore.saveTrafficPacket(storepacket); Log.d("service", DataStorage.FILE_LINE("sendBroadcast")); client.write(response); // send response } client.close(); // close connection } } else if (key.isReadable() && c == udpserver) { DatagramSocket udpSocket; DatagramPacket udpPacket; byte[] buffer = new byte[2048]; // Create a packet to receive data into the buffer udpPacket = new DatagramPacket(buffer, buffer.length); udpSocket = udpserver.socket(); receiveBuffer.clear(); InetSocketAddress clientAddress = (InetSocketAddress) udpserver.receive(receiveBuffer); if (clientAddress != null) { String fromAddress = clientAddress.getAddress().getHostAddress(); packetCounter++; int received = receiveBuffer.position(); byte[] bufferConvert = new byte[received]; System.arraycopy(receiveBuffer.array(), 0, bufferConvert, 0, bufferConvert.length); Packet storepacket = new Packet(); storepacket.tcpOrUdp = "UDP"; storepacket.fromIP = clientAddress.getAddress().getHostAddress(); storepacket.toIP = "You"; storepacket.fromPort = clientAddress.getPort(); storepacket.port = udpSocket.getLocalPort(); storepacket.data = bufferConvert; UpdateNotification("UDP:" + storepacket.toAscii(), "From " + storepacket.fromIP); //dataStore.SavePacket(storepacket); storepacket.nowMe(); dataStore.saveTrafficPacket(storepacket); Log.d("service", DataStorage.FILE_LINE("sendBroadcast")); if (false)//mDbHelper.getSettings(PSDbAdapter.KEY_SETTINGS_SENDRESPONSE).trim().equalsIgnoreCase("Yes")) { storepacket = new Packet(); storepacket.name = dataStore.currentTimeStamp(); ; storepacket.tcpOrUdp = "UDP"; storepacket.fromIP = "You"; storepacket.toIP = clientAddress.getAddress().getHostAddress(); storepacket.fromPort = udpSocket.getLocalPort(); storepacket.port = clientAddress.getPort(); // storepacket.data = Packet.toBytes(mDbHelper.getSettings(PSDbAdapter.KEY_SETTINGS_SENDRESPONSETEXT)); //dataStore.SavePacket(storepacket); udpserver.send(response, clientAddress); storepacket.nowMe(); dataStore.saveTrafficPacket(storepacket); Log.d("service", DataStorage.FILE_LINE("sendBroadcast")); } } } } } catch (java.io.IOException e) { Log.i("service", DataStorage.FILE_LINE("IOException ")); } catch (Exception e) { Log.w("service", DataStorage.FILE_LINE("Fatal Error: " + Log.getStackTraceString(e))); } } } catch (BindException e) { //mDbHelper.putServiceError("Error binding to port"); dataStore.putToast("Port already in use."); Log.w("service", DataStorage.FILE_LINE("Bind Exception: " + Log.getStackTraceString(e))); } catch (Exception e) { //mDbHelper.putServiceError("Fatal Error starting service"); Log.w("service", DataStorage.FILE_LINE("Startup error: " + Log.getStackTraceString(e))); } stopNotification(); }
From source file:org.apache.catalina.cluster.tcp.ReplicationListener.java
public void listen() throws Exception { doListen = true;/*from www.jav a 2 s . c o m*/ // allocate an unbound server socket channel ServerSocketChannel serverChannel = ServerSocketChannel.open(); // Get the associated ServerSocket to bind it with ServerSocket serverSocket = serverChannel.socket(); // create a new Selector for use below Selector selector = Selector.open(); // set the port the server channel will listen to serverSocket.bind(new InetSocketAddress(bind, port)); // set non-blocking mode for the listening socket serverChannel.configureBlocking(false); // register the ServerSocketChannel with the Selector serverChannel.register(selector, SelectionKey.OP_ACCEPT); while (doListen) { // this may block for a long time, upon return the // selected set contains keys of the ready channels try { //System.out.println("Selecting with timeout="+timeout); int n = selector.select(timeout); //System.out.println("select returned="+n); if (n == 0) { continue; // nothing to do } // get an iterator over the set of selected keys Iterator it = selector.selectedKeys().iterator(); // look at each key in the selected set while (it.hasNext()) { SelectionKey key = (SelectionKey) it.next(); // Is a new connection coming in? if (key.isAcceptable()) { ServerSocketChannel server = (ServerSocketChannel) key.channel(); SocketChannel channel = server.accept(); registerChannel(selector, channel, SelectionKey.OP_READ, new ObjectReader(channel, selector, callback)); } // is there data to read on this channel? //System.out.println("key readable="+key.isReadable()); if (key.isReadable()) { readDataFromSocket(key); } else { //System.out.println("This shouldn't get called"); key.interestOps(key.interestOps() & (~key.OP_WRITE)); } // remove key from selected set, it's been handled it.remove(); } //System.out.println("Done with loop"); } catch (java.nio.channels.CancelledKeyException nx) { log.warn("Replication client disconnected, error when polling key. Ignoring client."); } catch (Exception x) { log.error("Unable to process request in ReplicationListener", x); } } //while serverChannel.close(); selector.close(); }