| 1 | /* |
| 2 | |
| 3 | Derby - Class org.apache.derby.iapi.jdbc.DRDAServerStarter |
| 4 | |
| 5 | Copyright 2003, 2004 The Apache Software Foundation or its licensors, as applicable. |
| 6 | |
| 7 | Licensed under the Apache License, Version 2.0 (the "License"); |
| 8 | you may not use this file except in compliance with the License. |
| 9 | You may obtain a copy of the License at |
| 10 | |
| 11 | http://www.apache.org/licenses/LICENSE-2.0 |
| 12 | |
| 13 | Unless required by applicable law or agreed to in writing, software |
| 14 | distributed under the License is distributed on an "AS IS" BASIS, |
| 15 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 16 | See the License for the specific language governing permissions and |
| 17 | limitations under the License. |
| 18 | |
| 19 | */ |
| 20 | |
| 21 | package org.apache.derby.iapi.jdbc; |
| 22 | |
| 23 | import org.apache.derby.iapi.services.sanity.SanityManager; |
| 24 | import org.apache.derby.iapi.services.monitor.Monitor; |
| 25 | import org.apache.derby.iapi.services.monitor.ModuleControl; |
| 26 | import org.apache.derby.iapi.reference.MessageId; |
| 27 | import org.apache.derby.iapi.reference.Property; |
| 28 | import java.io.PrintWriter; |
| 29 | import java.lang.Runnable; |
| 30 | import java.lang.Thread; |
| 31 | import java.lang.reflect.Constructor; |
| 32 | import java.lang.reflect.Method; |
| 33 | import java.lang.reflect.InvocationTargetException; |
| 34 | import java.net.InetAddress; |
| 35 | import java.security.AccessController; |
| 36 | import java.security.PrivilegedActionException; |
| 37 | import java.security.PrivilegedExceptionAction; |
| 38 | |
| 39 | public final class DRDAServerStarter implements ModuleControl, Runnable |
| 40 | { |
| 41 | |
| 42 | private Object server; |
| 43 | private Method serverStartMethod; |
| 44 | private Method serverShutdownMethod; |
| 45 | private boolean loadSysIBM; |
| 46 | private Thread serverThread; |
| 47 | private static final String serverClassName = "org.apache.derby.impl.drda.NetworkServerControlImpl"; |
| 48 | private Class serverClass; |
| 49 | |
| 50 | private InetAddress listenAddress =null; |
| 51 | private int portNumber = -1; |
| 52 | private PrintWriter consoleWriter = null; |
| 53 | |
| 54 | /** |
| 55 | * Try to start the DRDA server. Log an error in error log and continue if it cannot be started. |
| 56 | */ |
| 57 | // public static void start() |
| 58 | // { |
| 59 | |
| 60 | |
| 61 | public void setStartInfo(InetAddress listenAddress, int portNumber, PrintWriter |
| 62 | consoleWriter) |
| 63 | { |
| 64 | this.listenAddress = listenAddress; |
| 65 | this.portNumber = portNumber; |
| 66 | this.consoleWriter = consoleWriter; |
| 67 | } |
| 68 | |
| 69 | |
| 70 | |
| 71 | public void boot(boolean create, |
| 72 | java.util.Properties properties) |
| 73 | { |
| 74 | if( server != null) |
| 75 | { |
| 76 | if (SanityManager.DEBUG) |
| 77 | SanityManager.THROWASSERT( "Network server starter module booted twice."); |
| 78 | return; |
| 79 | } |
| 80 | // Load the server class indirectly so that Cloudscape does not require the network code |
| 81 | try |
| 82 | { |
| 83 | serverClass = Class.forName( serverClassName); |
| 84 | } |
| 85 | catch( ClassNotFoundException cnfe) |
| 86 | { |
| 87 | Monitor.logTextMessage( MessageId.CONN_NETWORK_SERVER_CLASS_FIND, serverClassName); |
| 88 | return; |
| 89 | } |
| 90 | catch( java.lang.Error e) |
| 91 | { |
| 92 | Monitor.logTextMessage( MessageId.CONN_NETWORK_SERVER_CLASS_LOAD, |
| 93 | serverClassName, |
| 94 | e.getMessage()); |
| 95 | return; |
| 96 | } |
| 97 | try |
| 98 | { |
| 99 | Constructor serverConstructor; |
| 100 | try |
| 101 | { |
| 102 | serverConstructor = (Constructor) AccessController.doPrivileged( |
| 103 | new PrivilegedExceptionAction() { |
| 104 | public Object run() throws NoSuchMethodException, SecurityException |
| 105 | { |
| 106 | if (listenAddress == null) |
| 107 | return serverClass.getConstructor(null); |
| 108 | else |
| 109 | return |
| 110 | serverClass.getConstructor(new |
| 111 | Class[] {java.net.InetAddress.class, |
| 112 | Integer.TYPE});} |
| 113 | } |
| 114 | ); |
| 115 | serverStartMethod = (Method) AccessController.doPrivileged( |
| 116 | new PrivilegedExceptionAction() { |
| 117 | public Object run() throws NoSuchMethodException, SecurityException |
| 118 | { return serverClass.getMethod( "blockingStart", new Class[] { java.io.PrintWriter.class});} |
| 119 | } |
| 120 | ); |
| 121 | |
| 122 | serverShutdownMethod = (Method) AccessController.doPrivileged( |
| 123 | new PrivilegedExceptionAction() { |
| 124 | public Object run() throws NoSuchMethodException, SecurityException |
| 125 | { return serverClass.getMethod( "directShutdown", null);} |
| 126 | } |
| 127 | ); |
| 128 | } |
| 129 | catch( PrivilegedActionException e) |
| 130 | { |
| 131 | Exception e1 = e.getException(); |
| 132 | Monitor.logTextMessage( |
| 133 | MessageId.CONN_NETWORK_SERVER_START_EXCEPTION, e1.getMessage()); |
| 134 | e.printStackTrace(Monitor.getStream().getPrintWriter()); |
| 135 | return; |
| 136 | |
| 137 | } |
| 138 | if (listenAddress == null) |
| 139 | server = serverConstructor.newInstance( null); |
| 140 | else |
| 141 | server = serverConstructor.newInstance(new Object[] |
| 142 | {listenAddress, new Integer(portNumber)}); |
| 143 | |
| 144 | serverThread = Monitor.getMonitor().getDaemonThread( this, "NetworkServerStarter", false); |
| 145 | serverThread.start(); |
| 146 | } |
| 147 | catch( Exception e) |
| 148 | { |
| 149 | Monitor.logTextMessage( MessageId.CONN_NETWORK_SERVER_START_EXCEPTION, e.getMessage()); |
| 150 | server = null; |
| 151 | e.printStackTrace(Monitor.getStream().getPrintWriter()); |
| 152 | } |
| 153 | } // end of boot |
| 154 | |
| 155 | public void run() |
| 156 | { |
| 157 | try |
| 158 | { |
| 159 | serverStartMethod.invoke( server, |
| 160 | new Object[] {consoleWriter }); |
| 161 | } |
| 162 | catch( InvocationTargetException ite) |
| 163 | { |
| 164 | Monitor.logTextMessage( |
| 165 | MessageId.CONN_NETWORK_SERVER_START_EXCEPTION, ite.getTargetException().getMessage()); |
| 166 | ite.printStackTrace(Monitor.getStream().getPrintWriter()); |
| 167 | |
| 168 | server = null; |
| 169 | } |
| 170 | catch( Exception e) |
| 171 | { |
| 172 | Monitor.logTextMessage( MessageId.CONN_NETWORK_SERVER_START_EXCEPTION, e.getMessage()); |
| 173 | server = null; |
| 174 | e.printStackTrace(Monitor.getStream().getPrintWriter()); |
| 175 | } |
| 176 | } |
| 177 | |
| 178 | public void stop() |
| 179 | { |
| 180 | try { |
| 181 | if( serverThread != null && serverThread.isAlive()) |
| 182 | { |
| 183 | serverShutdownMethod.invoke( server, |
| 184 | null); |
| 185 | serverThread.interrupt(); |
| 186 | serverThread = null; |
| 187 | } |
| 188 | |
| 189 | } |
| 190 | catch( InvocationTargetException ite) |
| 191 | { |
| 192 | Monitor.logTextMessage( |
| 193 | MessageId.CONN_NETWORK_SERVER_SHUTDOWN_EXCEPTION, ite.getTargetException().getMessage()); |
| 194 | ite.printStackTrace(Monitor.getStream().getPrintWriter()); |
| 195 | |
| 196 | } |
| 197 | catch( Exception e) |
| 198 | { |
| 199 | Monitor.logTextMessage( MessageId.CONN_NETWORK_SERVER_SHUTDOWN_EXCEPTION, e.getMessage()); |
| 200 | e.printStackTrace(Monitor.getStream().getPrintWriter()); |
| 201 | } |
| 202 | |
| 203 | serverThread = null; |
| 204 | server = null; |
| 205 | serverClass = null; |
| 206 | serverStartMethod = null; |
| 207 | serverShutdownMethod = null; |
| 208 | listenAddress = null; |
| 209 | portNumber = -1; |
| 210 | consoleWriter = null; |
| 211 | |
| 212 | } // end of stop |
| 213 | } |