List of usage examples for io.netty.channel.oio OioEventLoopGroup OioEventLoopGroup
public OioEventLoopGroup(int maxChannels)
From source file:com.stremebase.examples.todomvc.Todo.java
License:Apache License
public static void main(String[] args) throws Exception { css = new String(Files.readAllBytes(Paths.get(System.getProperty("user.dir"), "Web", "index.css"))); favicon = Files.readAllBytes(Paths.get(System.getProperty("user.dir"), "Web", "favicon.ico")); Table.setDefaultDb(new DB("user.dir")); data = new Data(itemTableId, "ITEMTABLE"); @SuppressWarnings("unchecked") Router<Integer> router = new Router<Integer>().GET("/", GET).GET("/filter/:filtertype", FILTER) .POST("/", POST).POST("/delete", DELETE).POST("/clearcompleted", DELETECOMPLETED) .POST("/toggle-status", TOGGLESTATUS) .GET(":something/index.css", CSS).GET("/index.css", CSS).GET("/favicon.ico", ICON) .notFound(NOTFOUND);/* w ww. j a va 2 s. co m*/ System.out.println(router); OioEventLoopGroup bossGroup = new OioEventLoopGroup(1); SingleThreadEventLoop workerGroup = new ThreadPerChannelEventLoop(bossGroup); try { ServerBootstrap b = new ServerBootstrap(); b.group(bossGroup, workerGroup).childOption(ChannelOption.TCP_NODELAY, java.lang.Boolean.TRUE) .childOption(ChannelOption.SO_KEEPALIVE, java.lang.Boolean.TRUE) .childOption(ChannelOption.SO_REUSEADDR, java.lang.Boolean.TRUE) .channel(OioServerSocketChannel.class).childHandler(new HttpRouterServerInitializer(router)); Channel ch = b.bind(PORT).sync().channel(); System.out.println("Server started: http://127.0.0.1:" + PORT + '/'); ch.closeFuture().sync(); } finally { bossGroup.shutdownGracefully(); workerGroup.shutdownGracefully(); } }
From source file:com.whizzosoftware.hobson.api.plugin.channel.AbstractChannelObjectPlugin.java
License:Open Source License
/** * Creates the appropriate EventLoopGroup based on whether the remote address is a network address or serial port. * * @return an EventLoopGroup/* w ww. j av a 2s. c om*/ */ private EventLoopGroup createEventLoopGroup() { // create new event loop group if (isNetworkAddress()) { return new NioEventLoopGroup(1); } else if (isSerialAddress()) { return new OioEventLoopGroup(1); } else { throw new HobsonRuntimeException("Remote address is neither network nor serial"); } }
From source file:dorkbox.network.Broadcast.java
License:Apache License
static List<BroadcastResponse> discoverHosts0(Logger logger, int udpPort, int discoverTimeoutMillis, boolean fetchAllServers) throws IOException { // fetch a buffer that contains the serialized object. ByteBuf buffer = Unpooled.buffer(1); buffer.writeByte(MagicBytes.broadcastID); List<BroadcastResponse> servers = new ArrayList<BroadcastResponse>(); Enumeration<NetworkInterface> networkInterfaces; try {//from w ww.java 2 s .c o m networkInterfaces = NetworkInterface.getNetworkInterfaces(); } catch (SocketException e) { if (logger != null) { logger.error("Host discovery failed.", e); } throw new IOException("Host discovery failed. No interfaces found."); } scan: for (NetworkInterface networkInterface : Collections.list(networkInterfaces)) { for (InterfaceAddress interfaceAddress : networkInterface.getInterfaceAddresses()) { InetAddress address = interfaceAddress.getAddress(); InetAddress broadcast = interfaceAddress.getBroadcast(); // don't use IPv6! if (address instanceof Inet6Address) { if (logger != null) { if (logger.isInfoEnabled()) { logger.info("Not using IPv6 address: {}", address); } } continue; } try { if (logger != null) { if (logger.isInfoEnabled()) { logger.info("Searching for host on [{}:{}]", address.getHostAddress(), udpPort); } } EventLoopGroup group; Class<? extends Channel> channelClass; if (OS.isAndroid()) { // android ONLY supports OIO (not NIO) group = new OioEventLoopGroup(1); channelClass = OioDatagramChannel.class; } else { group = new NioEventLoopGroup(1); channelClass = NioDatagramChannel.class; } Bootstrap udpBootstrap = new Bootstrap().group(group).channel(channelClass) .option(ChannelOption.SO_BROADCAST, true).handler(new ClientDiscoverHostInitializer()) .localAddress(new InetSocketAddress(address, 0)); // pick random address. Not listen for broadcast. // we don't care about RECEIVING a broadcast packet, we are only SENDING one. ChannelFuture future; try { future = udpBootstrap.bind(); future.await(); } catch (InterruptedException e) { if (logger != null) { logger.error("Could not bind to random UDP address on the server.", e.getCause()); } throw new IOException("Could not bind to random UDP address on the server."); } if (!future.isSuccess()) { if (logger != null) { logger.error("Could not bind to random UDP address on the server.", future.cause()); } throw new IOException("Could not bind to random UDP address on the server."); } Channel channel1 = future.channel(); if (broadcast != null) { // try the "defined" broadcast first if we have it (not always!) channel1.writeAndFlush( new DatagramPacket(buffer, new InetSocketAddress(broadcast, udpPort))); // response is received. If the channel is not closed within 5 seconds, move to the next one. if (!channel1.closeFuture().awaitUninterruptibly(discoverTimeoutMillis)) { if (logger != null) { if (logger.isInfoEnabled()) { logger.info("Host discovery timed out."); } } } else { BroadcastResponse broadcastResponse = channel1.attr(ClientDiscoverHostHandler.STATE) .get(); servers.add(broadcastResponse); } // keep going if we want to fetch all servers. Break if we found one. if (!(fetchAllServers || servers.isEmpty())) { channel1.close().await(); group.shutdownGracefully().await(); break scan; } } // continue with "common" broadcast addresses. // Java 1.5 doesn't support getting the subnet mask, so try them until we find one. byte[] ip = address.getAddress(); for (int octect = 3; octect >= 0; octect--) { ip[octect] = -1; // 255.255.255.0 // don't error out on one particular octect try { InetAddress byAddress = InetAddress.getByAddress(ip); channel1.writeAndFlush( new DatagramPacket(buffer, new InetSocketAddress(byAddress, udpPort))); // response is received. If the channel is not closed within 5 seconds, move to the next one. if (!channel1.closeFuture().awaitUninterruptibly(discoverTimeoutMillis)) { if (logger != null) { if (logger.isInfoEnabled()) { logger.info("Host discovery timed out."); } } } else { BroadcastResponse broadcastResponse = channel1.attr(ClientDiscoverHostHandler.STATE) .get(); servers.add(broadcastResponse); if (!fetchAllServers) { break; } } } catch (Exception ignored) { } } channel1.close().sync(); group.shutdownGracefully(0, discoverTimeoutMillis, TimeUnit.MILLISECONDS); } catch (Exception ignored) { } // keep going if we want to fetch all servers. Break if we found one. if (!(fetchAllServers || servers.isEmpty())) { break scan; } } } if (logger != null && logger.isInfoEnabled() && !servers.isEmpty()) { StringBuilder stringBuilder = new StringBuilder(256); if (fetchAllServers) { stringBuilder.append("Discovered servers: (").append(servers.size()).append(")"); for (BroadcastResponse server : servers) { stringBuilder.append("/n").append(server.remoteAddress).append(":"); if (server.tcpPort > 0) { stringBuilder.append(server.tcpPort); if (server.udpPort > 0) { stringBuilder.append(":"); } } if (server.udpPort > 0) { stringBuilder.append(udpPort); } } logger.info(stringBuilder.toString()); } else { BroadcastResponse server = servers.get(0); stringBuilder.append(server.remoteAddress).append(":"); if (server.tcpPort > 0) { stringBuilder.append(server.tcpPort); if (server.udpPort > 0) { stringBuilder.append(":"); } } if (server.udpPort > 0) { stringBuilder.append(udpPort); } logger.info("Discovered server [{}]", stringBuilder.toString()); } } return servers; }
From source file:org.openremote.agent.protocol.AbstractSerialMessageProcessor.java
License:Open Source License
@SuppressWarnings("deprecation") @Override protected io.netty.channel.EventLoopGroup getWorkerGroup() { return new OioEventLoopGroup(1); }