J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2004 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions |
| 6 | * are met: |
| 7 | * |
| 8 | * - Redistributions of source code must retain the above copyright |
| 9 | * notice, this list of conditions and the following disclaimer. |
| 10 | * |
| 11 | * - Redistributions in binary form must reproduce the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer in the |
| 13 | * documentation and/or other materials provided with the distribution. |
| 14 | * |
| 15 | * - Neither the name of Sun Microsystems nor the names of its |
| 16 | * contributors may be used to endorse or promote products derived |
| 17 | * from this software without specific prior written permission. |
| 18 | * |
| 19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS |
| 20 | * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| 21 | * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| 23 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 24 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 25 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 26 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| 27 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| 28 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 29 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 30 | */ |
| 31 | |
| 32 | import java.io.*; |
| 33 | import java.net.*; |
| 34 | import java.nio.channels.*; |
| 35 | import java.security.*; |
| 36 | import javax.net.ssl.*; |
| 37 | |
| 38 | /** |
| 39 | * The main server base class. |
| 40 | * <P> |
| 41 | * This class is responsible for setting up most of the server state |
| 42 | * before the actual server subclasses take over. |
| 43 | * |
| 44 | * @author Mark Reinhold |
| 45 | * @author Brad R. Wetmore |
| 46 | */ |
| 47 | public abstract class Server { |
| 48 | |
| 49 | ServerSocketChannel ssc; |
| 50 | SSLContext sslContext = null; |
| 51 | |
| 52 | static private int PORT = 8000; |
| 53 | static private int BACKLOG = 1024; |
| 54 | static private boolean SECURE = false; |
| 55 | |
| 56 | Server(int port, int backlog, |
| 57 | boolean secure) throws Exception { |
| 58 | |
| 59 | if (secure) { |
| 60 | createSSLContext(); |
| 61 | } |
| 62 | |
| 63 | ssc = ServerSocketChannel.open(); |
| 64 | ssc.socket().setReuseAddress(true); |
| 65 | ssc.socket().bind(new InetSocketAddress(port), backlog); |
| 66 | } |
| 67 | |
| 68 | /* |
| 69 | * If this is a secure server, we now setup the SSLContext we'll |
| 70 | * use for creating the SSLEngines throughout the lifetime of |
| 71 | * this process. |
| 72 | */ |
| 73 | private void createSSLContext() throws Exception { |
| 74 | |
| 75 | char[] passphrase = "passphrase".toCharArray(); |
| 76 | |
| 77 | KeyStore ks = KeyStore.getInstance("JKS"); |
| 78 | ks.load(new FileInputStream("testkeys"), passphrase); |
| 79 | |
| 80 | KeyManagerFactory kmf = KeyManagerFactory.getInstance("SunX509"); |
| 81 | kmf.init(ks, passphrase); |
| 82 | |
| 83 | TrustManagerFactory tmf = TrustManagerFactory.getInstance("SunX509"); |
| 84 | tmf.init(ks); |
| 85 | |
| 86 | sslContext = SSLContext.getInstance("TLS"); |
| 87 | sslContext.init(kmf.getKeyManagers(), tmf.getTrustManagers(), null); |
| 88 | } |
| 89 | |
| 90 | abstract void runServer() throws Exception; |
| 91 | |
| 92 | static private void usage() { |
| 93 | System.out.println( |
| 94 | "Usage: Server <type> [options]\n" |
| 95 | + " type:\n" |
| 96 | + " B1 Blocking/Single-threaded Server\n" |
| 97 | + " BN Blocking/Multi-threaded Server\n" |
| 98 | + " BP Blocking/Pooled-Thread Server\n" |
| 99 | + " N1 Nonblocking/Single-threaded Server\n" |
| 100 | + " N2 Nonblocking/Dual-threaded Server\n" |
| 101 | + "\n" |
| 102 | + " options:\n" |
| 103 | + " -port port port number\n" |
| 104 | + " default: " + PORT + "\n" |
| 105 | + " -backlog backlog backlog\n" |
| 106 | + " default: " + BACKLOG + "\n" |
| 107 | + " -secure encrypt with SSL/TLS"); |
| 108 | System.exit(1); |
| 109 | } |
| 110 | |
| 111 | /* |
| 112 | * Parse the arguments, decide what type of server to run, |
| 113 | * see if there are any defaults to change. |
| 114 | */ |
| 115 | static private Server createServer(String args[]) throws Exception { |
| 116 | if (args.length < 1) { |
| 117 | usage(); |
| 118 | } |
| 119 | |
| 120 | int port = PORT; |
| 121 | int backlog = BACKLOG; |
| 122 | boolean secure = SECURE; |
| 123 | |
| 124 | for (int i = 1; i < args.length; i++) { |
| 125 | if (args[i].equals("-port")) { |
| 126 | checkArgs(i, args.length); |
| 127 | port = Integer.valueOf(args[++i]); |
| 128 | } else if (args[i].equals("-backlog")) { |
| 129 | checkArgs(i, args.length); |
| 130 | backlog = Integer.valueOf(args[++i]); |
| 131 | } else if (args[i].equals("-secure")) { |
| 132 | secure = true; |
| 133 | } else { |
| 134 | usage(); |
| 135 | } |
| 136 | } |
| 137 | |
| 138 | Server server = null; |
| 139 | |
| 140 | if (args[0].equals("B1")) { |
| 141 | server = new B1(port, backlog, secure); |
| 142 | } else if (args[0].equals("BN")) { |
| 143 | server = new BN(port, backlog, secure); |
| 144 | } else if (args[0].equals("BP")) { |
| 145 | server = new BP(port, backlog, secure); |
| 146 | } else if (args[0].equals("N1")) { |
| 147 | server = new N1(port, backlog, secure); |
| 148 | } else if (args[0].equals("N2")) { |
| 149 | server = new N2(port, backlog, secure); |
| 150 | } |
| 151 | |
| 152 | return server; |
| 153 | } |
| 154 | |
| 155 | static private void checkArgs(int i, int len) { |
| 156 | if ((i + 1) >= len) { |
| 157 | usage(); |
| 158 | } |
| 159 | } |
| 160 | |
| 161 | static public void main(String args[]) throws Exception { |
| 162 | Server server = createServer(args); |
| 163 | |
| 164 | if (server == null) { |
| 165 | usage(); |
| 166 | } |
| 167 | |
| 168 | System.out.println("Server started."); |
| 169 | server.runServer(); |
| 170 | } |
| 171 | } |