Thu, 31 Aug 2017 15:18:52 +0800
merge
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. Oracle designates this |
aoqi@0 | 8 | * particular file as subject to the "Classpath" exception as provided |
aoqi@0 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
aoqi@0 | 10 | * |
aoqi@0 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 15 | * accompanied this code). |
aoqi@0 | 16 | * |
aoqi@0 | 17 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 20 | * |
aoqi@0 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 22 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 23 | * questions. |
aoqi@0 | 24 | */ |
aoqi@0 | 25 | |
aoqi@0 | 26 | package com.sun.xml.internal.ws.transport.http.server; |
aoqi@0 | 27 | |
aoqi@0 | 28 | import com.sun.net.httpserver.HttpContext; |
aoqi@0 | 29 | import com.sun.net.httpserver.HttpServer; |
aoqi@0 | 30 | import com.sun.xml.internal.ws.server.ServerRtException; |
aoqi@0 | 31 | |
aoqi@0 | 32 | import java.net.InetSocketAddress; |
aoqi@0 | 33 | import java.net.URL; |
aoqi@0 | 34 | import java.util.HashMap; |
aoqi@0 | 35 | import java.util.HashSet; |
aoqi@0 | 36 | import java.util.Map; |
aoqi@0 | 37 | import java.util.Set; |
aoqi@0 | 38 | import java.util.concurrent.ExecutorService; |
aoqi@0 | 39 | import java.util.concurrent.Executors; |
aoqi@0 | 40 | import java.util.logging.Logger; |
aoqi@0 | 41 | |
aoqi@0 | 42 | /** |
aoqi@0 | 43 | * Manages all the WebService HTTP servers created by JAXWS runtime. |
aoqi@0 | 44 | * |
aoqi@0 | 45 | * @author Jitendra Kotamraju |
aoqi@0 | 46 | */ |
aoqi@0 | 47 | final class ServerMgr { |
aoqi@0 | 48 | |
aoqi@0 | 49 | private static final ServerMgr serverMgr = new ServerMgr(); |
aoqi@0 | 50 | private static final Logger logger = |
aoqi@0 | 51 | Logger.getLogger( |
aoqi@0 | 52 | com.sun.xml.internal.ws.util.Constants.LoggingDomain + ".server.http"); |
aoqi@0 | 53 | private final Map<InetSocketAddress,ServerState> servers = new HashMap<InetSocketAddress,ServerState>(); |
aoqi@0 | 54 | |
aoqi@0 | 55 | private ServerMgr() {} |
aoqi@0 | 56 | |
aoqi@0 | 57 | /** |
aoqi@0 | 58 | * Gets the singleton instance. |
aoqi@0 | 59 | * @return manager instance |
aoqi@0 | 60 | */ |
aoqi@0 | 61 | static ServerMgr getInstance() { |
aoqi@0 | 62 | return serverMgr; |
aoqi@0 | 63 | } |
aoqi@0 | 64 | |
aoqi@0 | 65 | /* |
aoqi@0 | 66 | * Creates a HttpContext at the given address. If there is already a server |
aoqi@0 | 67 | * it uses that server to create a context. Otherwise, it creates a new |
aoqi@0 | 68 | * HTTP server. This sever is added to servers Map. |
aoqi@0 | 69 | */ |
aoqi@0 | 70 | /*package*/ HttpContext createContext(String address) { |
aoqi@0 | 71 | try { |
aoqi@0 | 72 | HttpServer server; |
aoqi@0 | 73 | ServerState state; |
aoqi@0 | 74 | URL url = new URL(address); |
aoqi@0 | 75 | int port = url.getPort(); |
aoqi@0 | 76 | if (port == -1) { |
aoqi@0 | 77 | port = url.getDefaultPort(); |
aoqi@0 | 78 | } |
aoqi@0 | 79 | InetSocketAddress inetAddress = new InetSocketAddress(url.getHost(), |
aoqi@0 | 80 | port); |
aoqi@0 | 81 | synchronized(servers) { |
aoqi@0 | 82 | state = servers.get(inetAddress); |
aoqi@0 | 83 | if (state == null) { |
aoqi@0 | 84 | logger.fine("Creating new HTTP Server at "+inetAddress); |
aoqi@0 | 85 | // Creates server with default socket backlog |
aoqi@0 | 86 | server = HttpServer.create(inetAddress, 0); |
aoqi@0 | 87 | server.setExecutor(Executors.newCachedThreadPool()); |
aoqi@0 | 88 | String path = url.toURI().getPath(); |
aoqi@0 | 89 | logger.fine("Creating HTTP Context at = "+path); |
aoqi@0 | 90 | HttpContext context = server.createContext(path); |
aoqi@0 | 91 | server.start(); |
aoqi@0 | 92 | |
aoqi@0 | 93 | // we have to get actual inetAddress from server, which can differ from the original in some cases. |
aoqi@0 | 94 | // e.g. A port number of zero will let the system pick up an ephemeral port in a bind operation, |
aoqi@0 | 95 | // or IP: 0.0.0.0 - which is used to monitor network traffic from any valid IP address |
aoqi@0 | 96 | inetAddress = server.getAddress(); |
aoqi@0 | 97 | |
aoqi@0 | 98 | logger.fine("HTTP server started = "+inetAddress); |
aoqi@0 | 99 | state = new ServerState(server, path); |
aoqi@0 | 100 | servers.put(inetAddress, state); |
aoqi@0 | 101 | return context; |
aoqi@0 | 102 | } |
aoqi@0 | 103 | } |
aoqi@0 | 104 | server = state.getServer(); |
aoqi@0 | 105 | |
aoqi@0 | 106 | if (state.getPaths().contains(url.getPath())) { |
aoqi@0 | 107 | String err = "Context with URL path "+url.getPath()+ " already exists on the server "+server.getAddress(); |
aoqi@0 | 108 | logger.fine(err); |
aoqi@0 | 109 | throw new IllegalArgumentException(err); |
aoqi@0 | 110 | } |
aoqi@0 | 111 | |
aoqi@0 | 112 | logger.fine("Creating HTTP Context at = "+url.getPath()); |
aoqi@0 | 113 | HttpContext context = server.createContext(url.getPath()); |
aoqi@0 | 114 | state.oneMoreContext(url.getPath()); |
aoqi@0 | 115 | return context; |
aoqi@0 | 116 | } catch(Exception e) { |
aoqi@0 | 117 | throw new ServerRtException("server.rt.err",e ); |
aoqi@0 | 118 | } |
aoqi@0 | 119 | } |
aoqi@0 | 120 | |
aoqi@0 | 121 | /* |
aoqi@0 | 122 | * Removes a context. If the server doesn't have anymore contexts, it |
aoqi@0 | 123 | * would stop the server and server is removed from servers Map. |
aoqi@0 | 124 | */ |
aoqi@0 | 125 | /*package*/ void removeContext(HttpContext context) { |
aoqi@0 | 126 | InetSocketAddress inetAddress = context.getServer().getAddress(); |
aoqi@0 | 127 | synchronized(servers) { |
aoqi@0 | 128 | ServerState state = servers.get(inetAddress); |
aoqi@0 | 129 | int instances = state.noOfContexts(); |
aoqi@0 | 130 | if (instances < 2) { |
aoqi@0 | 131 | ((ExecutorService)state.getServer().getExecutor()).shutdown(); |
aoqi@0 | 132 | state.getServer().stop(0); |
aoqi@0 | 133 | servers.remove(inetAddress); |
aoqi@0 | 134 | } else { |
aoqi@0 | 135 | state.getServer().removeContext(context); |
aoqi@0 | 136 | state.oneLessContext(context.getPath()); |
aoqi@0 | 137 | } |
aoqi@0 | 138 | } |
aoqi@0 | 139 | } |
aoqi@0 | 140 | |
aoqi@0 | 141 | private static final class ServerState { |
aoqi@0 | 142 | private final HttpServer server; |
aoqi@0 | 143 | private int instances; |
aoqi@0 | 144 | private Set<String> paths = new HashSet<String>(); |
aoqi@0 | 145 | |
aoqi@0 | 146 | ServerState(HttpServer server, String path) { |
aoqi@0 | 147 | this.server = server; |
aoqi@0 | 148 | this.instances = 1; |
aoqi@0 | 149 | paths.add(path); |
aoqi@0 | 150 | } |
aoqi@0 | 151 | |
aoqi@0 | 152 | public HttpServer getServer() { |
aoqi@0 | 153 | return server; |
aoqi@0 | 154 | } |
aoqi@0 | 155 | |
aoqi@0 | 156 | public void oneMoreContext(String path) { |
aoqi@0 | 157 | ++instances; |
aoqi@0 | 158 | paths.add(path); |
aoqi@0 | 159 | } |
aoqi@0 | 160 | |
aoqi@0 | 161 | public void oneLessContext(String path) { |
aoqi@0 | 162 | --instances; |
aoqi@0 | 163 | paths.remove(path); |
aoqi@0 | 164 | } |
aoqi@0 | 165 | |
aoqi@0 | 166 | public int noOfContexts() { |
aoqi@0 | 167 | return instances; |
aoqi@0 | 168 | } |
aoqi@0 | 169 | |
aoqi@0 | 170 | public Set<String> getPaths() { |
aoqi@0 | 171 | return paths; |
aoqi@0 | 172 | } |
aoqi@0 | 173 | } |
aoqi@0 | 174 | } |