1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/jaxws_classes/com/sun/xml/internal/ws/transport/http/server/ServerMgr.java Tue Mar 06 16:09:35 2012 -0800
1.3 @@ -0,0 +1,174 @@
1.4 +/*
1.5 + * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation. Oracle designates this
1.11 + * particular file as subject to the "Classpath" exception as provided
1.12 + * by Oracle in the LICENSE file that accompanied this code.
1.13 + *
1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.16 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.17 + * version 2 for more details (a copy is included in the LICENSE file that
1.18 + * accompanied this code).
1.19 + *
1.20 + * You should have received a copy of the GNU General Public License version
1.21 + * 2 along with this work; if not, write to the Free Software Foundation,
1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.23 + *
1.24 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.25 + * or visit www.oracle.com if you need additional information or have any
1.26 + * questions.
1.27 + */
1.28 +
1.29 +package com.sun.xml.internal.ws.transport.http.server;
1.30 +
1.31 +import com.sun.net.httpserver.HttpContext;
1.32 +import com.sun.net.httpserver.HttpServer;
1.33 +import com.sun.xml.internal.ws.server.ServerRtException;
1.34 +
1.35 +import java.net.InetSocketAddress;
1.36 +import java.net.URL;
1.37 +import java.util.HashMap;
1.38 +import java.util.HashSet;
1.39 +import java.util.Map;
1.40 +import java.util.Set;
1.41 +import java.util.concurrent.ExecutorService;
1.42 +import java.util.concurrent.Executors;
1.43 +import java.util.logging.Logger;
1.44 +
1.45 +/**
1.46 + * Manages all the WebService HTTP servers created by JAXWS runtime.
1.47 + *
1.48 + * @author Jitendra Kotamraju
1.49 + */
1.50 +final class ServerMgr {
1.51 +
1.52 + private static final ServerMgr serverMgr = new ServerMgr();
1.53 + private static final Logger logger =
1.54 + Logger.getLogger(
1.55 + com.sun.xml.internal.ws.util.Constants.LoggingDomain + ".server.http");
1.56 + private final Map<InetSocketAddress,ServerState> servers = new HashMap<InetSocketAddress,ServerState>();
1.57 +
1.58 + private ServerMgr() {}
1.59 +
1.60 + /**
1.61 + * Gets the singleton instance.
1.62 + * @return manager instance
1.63 + */
1.64 + static ServerMgr getInstance() {
1.65 + return serverMgr;
1.66 + }
1.67 +
1.68 + /*
1.69 + * Creates a HttpContext at the given address. If there is already a server
1.70 + * it uses that server to create a context. Otherwise, it creates a new
1.71 + * HTTP server. This sever is added to servers Map.
1.72 + */
1.73 + /*package*/ HttpContext createContext(String address) {
1.74 + try {
1.75 + HttpServer server;
1.76 + ServerState state;
1.77 + URL url = new URL(address);
1.78 + int port = url.getPort();
1.79 + if (port == -1) {
1.80 + port = url.getDefaultPort();
1.81 + }
1.82 + InetSocketAddress inetAddress = new InetSocketAddress(url.getHost(),
1.83 + port);
1.84 + synchronized(servers) {
1.85 + state = servers.get(inetAddress);
1.86 + if (state == null) {
1.87 + logger.fine("Creating new HTTP Server at "+inetAddress);
1.88 + // Creates server with default socket backlog
1.89 + server = HttpServer.create(inetAddress, 0);
1.90 + server.setExecutor(Executors.newCachedThreadPool());
1.91 + String path = url.toURI().getPath();
1.92 + logger.fine("Creating HTTP Context at = "+path);
1.93 + HttpContext context = server.createContext(path);
1.94 + server.start();
1.95 +
1.96 + // we have to get actual inetAddress from server, which can differ from the original in some cases.
1.97 + // e.g. A port number of zero will let the system pick up an ephemeral port in a bind operation,
1.98 + // or IP: 0.0.0.0 - which is used to monitor network traffic from any valid IP address
1.99 + inetAddress = server.getAddress();
1.100 +
1.101 + logger.fine("HTTP server started = "+inetAddress);
1.102 + state = new ServerState(server, path);
1.103 + servers.put(inetAddress, state);
1.104 + return context;
1.105 + }
1.106 + }
1.107 + server = state.getServer();
1.108 +
1.109 + if (state.getPaths().contains(url.getPath())) {
1.110 + String err = "Context with URL path "+url.getPath()+ " already exists on the server "+server.getAddress();
1.111 + logger.fine(err);
1.112 + throw new IllegalArgumentException(err);
1.113 + }
1.114 +
1.115 + logger.fine("Creating HTTP Context at = "+url.getPath());
1.116 + HttpContext context = server.createContext(url.getPath());
1.117 + state.oneMoreContext(url.getPath());
1.118 + return context;
1.119 + } catch(Exception e) {
1.120 + throw new ServerRtException("server.rt.err",e );
1.121 + }
1.122 + }
1.123 +
1.124 + /*
1.125 + * Removes a context. If the server doesn't have anymore contexts, it
1.126 + * would stop the server and server is removed from servers Map.
1.127 + */
1.128 + /*package*/ void removeContext(HttpContext context) {
1.129 + InetSocketAddress inetAddress = context.getServer().getAddress();
1.130 + synchronized(servers) {
1.131 + ServerState state = servers.get(inetAddress);
1.132 + int instances = state.noOfContexts();
1.133 + if (instances < 2) {
1.134 + ((ExecutorService)state.getServer().getExecutor()).shutdown();
1.135 + state.getServer().stop(0);
1.136 + servers.remove(inetAddress);
1.137 + } else {
1.138 + state.getServer().removeContext(context);
1.139 + state.oneLessContext(context.getPath());
1.140 + }
1.141 + }
1.142 + }
1.143 +
1.144 + private static final class ServerState {
1.145 + private final HttpServer server;
1.146 + private int instances;
1.147 + private Set<String> paths = new HashSet<String>();
1.148 +
1.149 + ServerState(HttpServer server, String path) {
1.150 + this.server = server;
1.151 + this.instances = 1;
1.152 + paths.add(path);
1.153 + }
1.154 +
1.155 + public HttpServer getServer() {
1.156 + return server;
1.157 + }
1.158 +
1.159 + public void oneMoreContext(String path) {
1.160 + ++instances;
1.161 + paths.add(path);
1.162 + }
1.163 +
1.164 + public void oneLessContext(String path) {
1.165 + --instances;
1.166 + paths.remove(path);
1.167 + }
1.168 +
1.169 + public int noOfContexts() {
1.170 + return instances;
1.171 + }
1.172 +
1.173 + public Set<String> getPaths() {
1.174 + return paths;
1.175 + }
1.176 + }
1.177 +}
