| /* |
| * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.xml.internal.ws.transport.http.server; |
| |
| import com.sun.net.httpserver.HttpContext; |
| import com.sun.net.httpserver.HttpServer; |
| import com.sun.xml.internal.ws.server.ServerRtException; |
| |
| import java.net.InetSocketAddress; |
| import java.net.URL; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| |
| |
| /** |
| * Manages all the WebService HTTP servers created by JAXWS runtime. |
| * |
| * @author Jitendra Kotamraju |
| */ |
| final class ServerMgr { |
| |
| private static final ServerMgr serverMgr = new ServerMgr(); |
| private static final Logger LOGGER = |
| Logger.getLogger( |
| com.sun.xml.internal.ws.util.Constants.LoggingDomain + ".server.http"); |
| private final Map<InetSocketAddress,ServerState> servers = new HashMap<>(); |
| |
| private ServerMgr() {} |
| |
| /** |
| * Gets the singleton instance. |
| * @return manager instance |
| */ |
| static ServerMgr getInstance() { |
| return serverMgr; |
| } |
| |
| /* |
| * Creates a HttpContext at the given address. If there is already a server |
| * it uses that server to create a context. Otherwise, it creates a new |
| * HTTP server. This sever is added to servers Map. |
| */ |
| /*package*/ HttpContext createContext(String address) { |
| try { |
| HttpServer server; |
| ServerState state; |
| URL url = new URL(address); |
| int port = url.getPort(); |
| if (port == -1) { |
| port = url.getDefaultPort(); |
| } |
| InetSocketAddress inetAddress = new InetSocketAddress(url.getHost(), |
| port); |
| synchronized(servers) { |
| state = servers.get(inetAddress); |
| if (state == null) { |
| ServerState free = null; |
| for (ServerState ss : servers.values()) { |
| if (port == ss.getServer().getAddress().getPort()) { |
| free = ss; |
| break; |
| } |
| } |
| if (inetAddress.getAddress().isAnyLocalAddress() && free != null) { |
| state = free; |
| } else { |
| if (LOGGER.isLoggable(Level.FINE)) { |
| LOGGER.fine("Creating new HTTP Server at "+inetAddress); |
| } |
| // Creates server with default socket backlog |
| server = HttpServer.create(inetAddress, 0); |
| server.setExecutor(Executors.newCachedThreadPool()); |
| String path = url.toURI().getPath(); |
| if (LOGGER.isLoggable(Level.FINE)) { |
| LOGGER.fine("Creating HTTP Context at = "+path); |
| } |
| HttpContext context = server.createContext(path); |
| server.start(); |
| |
| // we have to get actual inetAddress from server, which can differ from the original in some cases. |
| // e.g. A port number of zero will let the system pick up an ephemeral port in a bind operation, |
| // or IP: 0.0.0.0 - which is used to monitor network traffic from any valid IP address |
| inetAddress = server.getAddress(); |
| |
| if (LOGGER.isLoggable(Level.FINE)) { |
| LOGGER.fine("HTTP server started = "+inetAddress); |
| } |
| state = new ServerState(server, path); |
| servers.put(inetAddress, state); |
| return context; |
| } |
| } |
| } |
| server = state.getServer(); |
| |
| if (state.getPaths().contains(url.getPath())) { |
| String err = "Context with URL path "+url.getPath()+ " already exists on the server "+server.getAddress(); |
| if (LOGGER.isLoggable(Level.FINE)) { |
| LOGGER.fine(err); |
| } |
| throw new IllegalArgumentException(err); |
| } |
| |
| if (LOGGER.isLoggable(Level.FINE)) { |
| LOGGER.fine("Creating HTTP Context at = "+url.getPath()); |
| } |
| HttpContext context = server.createContext(url.getPath()); |
| state.oneMoreContext(url.getPath()); |
| return context; |
| } catch(Exception e) { |
| throw new ServerRtException("server.rt.err",e ); |
| } |
| } |
| |
| /* |
| * Removes a context. If the server doesn't have anymore contexts, it |
| * would stop the server and server is removed from servers Map. |
| */ |
| /*package*/ void removeContext(HttpContext context) { |
| InetSocketAddress inetAddress = context.getServer().getAddress(); |
| synchronized(servers) { |
| ServerState state = servers.get(inetAddress); |
| int instances = state.noOfContexts(); |
| if (instances < 2) { |
| ((ExecutorService)state.getServer().getExecutor()).shutdown(); |
| state.getServer().stop(0); |
| servers.remove(inetAddress); |
| } else { |
| state.getServer().removeContext(context); |
| state.oneLessContext(context.getPath()); |
| } |
| } |
| } |
| |
| private static final class ServerState { |
| private final HttpServer server; |
| private int instances; |
| private final Set<String> paths = new HashSet<>(); |
| |
| ServerState(HttpServer server, String path) { |
| this.server = server; |
| this.instances = 1; |
| paths.add(path); |
| } |
| |
| public HttpServer getServer() { |
| return server; |
| } |
| |
| public void oneMoreContext(String path) { |
| ++instances; |
| paths.add(path); |
| } |
| |
| public void oneLessContext(String path) { |
| --instances; |
| paths.remove(path); |
| } |
| |
| public int noOfContexts() { |
| return instances; |
| } |
| |
| public Set<String> getPaths() { |
| return paths; |
| } |
| } |
| } |