src/share/jaxws_classes/com/sun/xml/internal/ws/transport/http/server/ServerMgr.java

Tue, 20 Dec 2016 14:07:28 +0300

author
aefimov
date
Tue, 20 Dec 2016 14:07:28 +0300
changeset 1307
9b94b2a51e16
parent 368
0989ad8c0860
child 1435
a90b319bae7a
permissions
-rw-r--r--

8146086: Publishing two webservices on same port fails with "java.net.BindException: Address already in use"
Reviewed-by: coffeys

ohair@286 1 /*
aefimov@1307 2 * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
ohair@286 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
ohair@286 4 *
ohair@286 5 * This code is free software; you can redistribute it and/or modify it
ohair@286 6 * under the terms of the GNU General Public License version 2 only, as
ohair@286 7 * published by the Free Software Foundation. Oracle designates this
ohair@286 8 * particular file as subject to the "Classpath" exception as provided
ohair@286 9 * by Oracle in the LICENSE file that accompanied this code.
ohair@286 10 *
ohair@286 11 * This code is distributed in the hope that it will be useful, but WITHOUT
ohair@286 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
ohair@286 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
ohair@286 14 * version 2 for more details (a copy is included in the LICENSE file that
ohair@286 15 * accompanied this code).
ohair@286 16 *
ohair@286 17 * You should have received a copy of the GNU General Public License version
ohair@286 18 * 2 along with this work; if not, write to the Free Software Foundation,
ohair@286 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
ohair@286 20 *
ohair@286 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@286 22 * or visit www.oracle.com if you need additional information or have any
ohair@286 23 * questions.
ohair@286 24 */
ohair@286 25
ohair@286 26 package com.sun.xml.internal.ws.transport.http.server;
ohair@286 27
ohair@286 28 import com.sun.net.httpserver.HttpContext;
ohair@286 29 import com.sun.net.httpserver.HttpServer;
ohair@286 30 import com.sun.xml.internal.ws.server.ServerRtException;
ohair@286 31
ohair@286 32 import java.net.InetSocketAddress;
ohair@286 33 import java.net.URL;
ohair@286 34 import java.util.HashMap;
ohair@286 35 import java.util.HashSet;
ohair@286 36 import java.util.Map;
ohair@286 37 import java.util.Set;
ohair@286 38 import java.util.concurrent.ExecutorService;
ohair@286 39 import java.util.concurrent.Executors;
ohair@286 40 import java.util.logging.Logger;
ohair@286 41
ohair@286 42 /**
ohair@286 43 * Manages all the WebService HTTP servers created by JAXWS runtime.
ohair@286 44 *
ohair@286 45 * @author Jitendra Kotamraju
ohair@286 46 */
ohair@286 47 final class ServerMgr {
ohair@286 48
ohair@286 49 private static final ServerMgr serverMgr = new ServerMgr();
ohair@286 50 private static final Logger logger =
ohair@286 51 Logger.getLogger(
ohair@286 52 com.sun.xml.internal.ws.util.Constants.LoggingDomain + ".server.http");
ohair@286 53 private final Map<InetSocketAddress,ServerState> servers = new HashMap<InetSocketAddress,ServerState>();
ohair@286 54
ohair@286 55 private ServerMgr() {}
ohair@286 56
ohair@286 57 /**
ohair@286 58 * Gets the singleton instance.
ohair@286 59 * @return manager instance
ohair@286 60 */
ohair@286 61 static ServerMgr getInstance() {
ohair@286 62 return serverMgr;
ohair@286 63 }
ohair@286 64
ohair@286 65 /*
ohair@286 66 * Creates a HttpContext at the given address. If there is already a server
ohair@286 67 * it uses that server to create a context. Otherwise, it creates a new
ohair@286 68 * HTTP server. This sever is added to servers Map.
ohair@286 69 */
ohair@286 70 /*package*/ HttpContext createContext(String address) {
ohair@286 71 try {
ohair@286 72 HttpServer server;
ohair@286 73 ServerState state;
ohair@286 74 URL url = new URL(address);
ohair@286 75 int port = url.getPort();
ohair@286 76 if (port == -1) {
ohair@286 77 port = url.getDefaultPort();
ohair@286 78 }
ohair@286 79 InetSocketAddress inetAddress = new InetSocketAddress(url.getHost(),
ohair@286 80 port);
ohair@286 81 synchronized(servers) {
ohair@286 82 state = servers.get(inetAddress);
ohair@286 83 if (state == null) {
aefimov@1307 84 final int finalPortNum = port;
aefimov@1307 85 for (ServerState s: servers.values()) {
aefimov@1307 86 if (s.getServer()
aefimov@1307 87 .getAddress()
aefimov@1307 88 .getPort() == finalPortNum) {
aefimov@1307 89 state = s;
aefimov@1307 90 break;
aefimov@1307 91 }
aefimov@1307 92 }
ohair@286 93
aefimov@1307 94 if (!inetAddress.getAddress().isAnyLocalAddress() ||
aefimov@1307 95 state == null) {
aefimov@1307 96 logger.fine("Creating new HTTP Server at "+inetAddress);
aefimov@1307 97 // Creates server with default socket backlog
aefimov@1307 98 server = HttpServer.create(inetAddress, 0);
aefimov@1307 99 server.setExecutor(Executors.newCachedThreadPool());
aefimov@1307 100 String path = url.toURI().getPath();
aefimov@1307 101 logger.fine("Creating HTTP Context at = "+path);
aefimov@1307 102 HttpContext context = server.createContext(path);
aefimov@1307 103 server.start();
ohair@286 104
aefimov@1307 105 // we have to get actual inetAddress from server, which can differ from the original in some cases.
aefimov@1307 106 // e.g. A port number of zero will let the system pick up an ephemeral port in a bind operation,
aefimov@1307 107 // or IP: 0.0.0.0 - which is used to monitor network traffic from any valid IP address
aefimov@1307 108 inetAddress = server.getAddress();
aefimov@1307 109
aefimov@1307 110 logger.fine("HTTP server started = "+inetAddress);
aefimov@1307 111 state = new ServerState(server, path);
aefimov@1307 112 servers.put(inetAddress, state);
aefimov@1307 113 return context;
aefimov@1307 114 }
ohair@286 115 }
ohair@286 116 }
ohair@286 117 server = state.getServer();
ohair@286 118
ohair@286 119 if (state.getPaths().contains(url.getPath())) {
ohair@286 120 String err = "Context with URL path "+url.getPath()+ " already exists on the server "+server.getAddress();
ohair@286 121 logger.fine(err);
ohair@286 122 throw new IllegalArgumentException(err);
ohair@286 123 }
ohair@286 124
ohair@286 125 logger.fine("Creating HTTP Context at = "+url.getPath());
ohair@286 126 HttpContext context = server.createContext(url.getPath());
ohair@286 127 state.oneMoreContext(url.getPath());
ohair@286 128 return context;
ohair@286 129 } catch(Exception e) {
ohair@286 130 throw new ServerRtException("server.rt.err",e );
ohair@286 131 }
ohair@286 132 }
ohair@286 133
ohair@286 134 /*
ohair@286 135 * Removes a context. If the server doesn't have anymore contexts, it
ohair@286 136 * would stop the server and server is removed from servers Map.
ohair@286 137 */
ohair@286 138 /*package*/ void removeContext(HttpContext context) {
ohair@286 139 InetSocketAddress inetAddress = context.getServer().getAddress();
ohair@286 140 synchronized(servers) {
ohair@286 141 ServerState state = servers.get(inetAddress);
ohair@286 142 int instances = state.noOfContexts();
ohair@286 143 if (instances < 2) {
ohair@286 144 ((ExecutorService)state.getServer().getExecutor()).shutdown();
ohair@286 145 state.getServer().stop(0);
ohair@286 146 servers.remove(inetAddress);
ohair@286 147 } else {
ohair@286 148 state.getServer().removeContext(context);
ohair@286 149 state.oneLessContext(context.getPath());
ohair@286 150 }
ohair@286 151 }
ohair@286 152 }
ohair@286 153
ohair@286 154 private static final class ServerState {
ohair@286 155 private final HttpServer server;
ohair@286 156 private int instances;
ohair@286 157 private Set<String> paths = new HashSet<String>();
ohair@286 158
ohair@286 159 ServerState(HttpServer server, String path) {
ohair@286 160 this.server = server;
ohair@286 161 this.instances = 1;
ohair@286 162 paths.add(path);
ohair@286 163 }
ohair@286 164
ohair@286 165 public HttpServer getServer() {
ohair@286 166 return server;
ohair@286 167 }
ohair@286 168
ohair@286 169 public void oneMoreContext(String path) {
ohair@286 170 ++instances;
ohair@286 171 paths.add(path);
ohair@286 172 }
ohair@286 173
ohair@286 174 public void oneLessContext(String path) {
ohair@286 175 --instances;
ohair@286 176 paths.remove(path);
ohair@286 177 }
ohair@286 178
ohair@286 179 public int noOfContexts() {
ohair@286 180 return instances;
ohair@286 181 }
ohair@286 182
ohair@286 183 public Set<String> getPaths() {
ohair@286 184 return paths;
ohair@286 185 }
ohair@286 186 }
ohair@286 187 }

mercurial