| // |
| // ======================================================================== |
| // Copyright (c) 1995-2017 Mort Bay Consulting Pty. Ltd. |
| // ------------------------------------------------------------------------ |
| // All rights reserved. This program and the accompanying materials |
| // are made available under the terms of the Eclipse Public License v1.0 |
| // and Apache License v2.0 which accompanies this distribution. |
| // |
| // The Eclipse Public License is available at |
| // http://www.eclipse.org/legal/epl-v10.html |
| // |
| // The Apache License v2.0 is available at |
| // http://www.opensource.org/licenses/apache2.0.php |
| // |
| // You may elect to redistribute this code under either of these licenses. |
| // ======================================================================== |
| // |
| |
| package org.eclipse.jetty.websocket.client.io; |
| |
| import java.io.IOException; |
| import java.net.InetSocketAddress; |
| import java.net.SocketAddress; |
| import java.net.URI; |
| import java.nio.channels.SocketChannel; |
| import java.util.Locale; |
| |
| import org.eclipse.jetty.util.component.ContainerLifeCycle; |
| import org.eclipse.jetty.util.log.Log; |
| import org.eclipse.jetty.util.log.Logger; |
| import org.eclipse.jetty.websocket.client.ClientUpgradeRequest; |
| import org.eclipse.jetty.websocket.client.WebSocketClient; |
| import org.eclipse.jetty.websocket.common.events.EventDriver; |
| |
| /** |
| * Internal Connection/Client Manager used to track active clients, their physical vs virtual connection information, and provide some means to create new |
| * physical or virtual connections. |
| */ |
| public class ConnectionManager extends ContainerLifeCycle |
| { |
| private class PhysicalConnect extends ConnectPromise |
| { |
| private SocketAddress bindAddress; |
| |
| public PhysicalConnect(WebSocketClient client, EventDriver driver, ClientUpgradeRequest request) |
| { |
| super(client,driver,request); |
| this.bindAddress = client.getBindAddress(); |
| } |
| |
| @Override |
| public void run() |
| { |
| SocketChannel channel = null; |
| try |
| { |
| channel = SocketChannel.open(); |
| if (bindAddress != null) |
| { |
| channel.bind(bindAddress); |
| } |
| |
| URI wsUri = getRequest().getRequestURI(); |
| |
| channel.socket().setTcpNoDelay(true); // disable nagle |
| channel.configureBlocking(false); // async always |
| |
| InetSocketAddress address = toSocketAddress(wsUri); |
| |
| if (channel.connect(address)) |
| { |
| getSelector().accept(channel, this); |
| } |
| else |
| { |
| getSelector().connect(channel, this); |
| } |
| } |
| catch (Throwable t) |
| { |
| // close the socket channel |
| if (channel != null) |
| { |
| try |
| { |
| channel.close(); |
| } |
| catch (IOException ignore) |
| { |
| LOG.ignore(ignore); |
| } |
| } |
| |
| // notify the future |
| failed(t); |
| } |
| } |
| } |
| |
| private static final Logger LOG = Log.getLogger(ConnectionManager.class); |
| |
| public static InetSocketAddress toSocketAddress(URI uri) |
| { |
| if (!uri.isAbsolute()) |
| { |
| throw new IllegalArgumentException("Cannot get InetSocketAddress of non-absolute URIs"); |
| } |
| |
| int port = uri.getPort(); |
| String scheme = uri.getScheme().toLowerCase(Locale.ENGLISH); |
| if ("ws".equals(scheme)) |
| { |
| if (port == (-1)) |
| { |
| port = 80; |
| } |
| } |
| else if ("wss".equals(scheme)) |
| { |
| if (port == (-1)) |
| { |
| port = 443; |
| } |
| } |
| else |
| { |
| throw new IllegalArgumentException("Only support ws:// and wss:// URIs"); |
| } |
| |
| return new InetSocketAddress(uri.getHost(),port); |
| } |
| |
| private final WebSocketClient client; |
| private WebSocketClientSelectorManager selector; |
| |
| public ConnectionManager(WebSocketClient client) |
| { |
| this.client = client; |
| } |
| |
| public ConnectPromise connect(WebSocketClient client, EventDriver driver, ClientUpgradeRequest request) |
| { |
| return new PhysicalConnect(client,driver,request); |
| } |
| |
| @Override |
| protected void doStart() throws Exception |
| { |
| selector = newWebSocketClientSelectorManager(client); |
| selector.setSslContextFactory(client.getSslContextFactory()); |
| selector.setConnectTimeout(client.getConnectTimeout()); |
| addBean(selector); |
| |
| super.doStart(); |
| } |
| |
| @Override |
| protected void doStop() throws Exception |
| { |
| super.doStop(); |
| removeBean(selector); |
| } |
| |
| public WebSocketClientSelectorManager getSelector() |
| { |
| return selector; |
| } |
| |
| /** |
| * Factory method for new WebSocketClientSelectorManager (used by other projects like cometd) |
| * |
| * @param client |
| * the client used to create the WebSocketClientSelectorManager |
| * @return the new WebSocketClientSelectorManager |
| */ |
| protected WebSocketClientSelectorManager newWebSocketClientSelectorManager(WebSocketClient client) |
| { |
| return new WebSocketClientSelectorManager(client); |
| } |
| } |