src/main/java/net/pterodactylus/sone/main/SonePlugin.java

   1 /*
   2  * Sone - SonePlugin.java - Copyright © 2010–2012 David Roden
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 package net.pterodactylus.sone.main;
  19
  20 import java.io.File;
  21 import java.util.logging.Level;
  22 import java.util.logging.LogRecord;
  23 import java.util.logging.Logger;
  24
  25 import net.pterodactylus.sone.core.Core;
  26 import net.pterodactylus.sone.core.FreenetInterface;
  27 import net.pterodactylus.sone.core.WebOfTrustUpdater;
  28 import net.pterodactylus.sone.fcp.FcpInterface;
  29 import net.pterodactylus.sone.freenet.PluginStoreConfigurationBackend;
  30 import net.pterodactylus.sone.freenet.plugin.PluginConnector;
  31 import net.pterodactylus.sone.freenet.wot.IdentityManager;
  32 import net.pterodactylus.sone.freenet.wot.WebOfTrustConnector;
  33 import net.pterodactylus.sone.web.WebInterface;
  34 import net.pterodactylus.util.config.Configuration;
  35 import net.pterodactylus.util.config.ConfigurationException;
  36 import net.pterodactylus.util.config.MapConfigurationBackend;
  37 import net.pterodactylus.util.logging.Logging;
  38 import net.pterodactylus.util.logging.LoggingListener;
  39 import net.pterodactylus.util.version.Version;
  40 import freenet.client.async.DatabaseDisabledException;
  41 import freenet.l10n.BaseL10n.LANGUAGE;
  42 import freenet.l10n.PluginL10n;
  43 import freenet.pluginmanager.FredPlugin;
  44 import freenet.pluginmanager.FredPluginBaseL10n;
  45 import freenet.pluginmanager.FredPluginFCP;
  46 import freenet.pluginmanager.FredPluginL10n;
  47 import freenet.pluginmanager.FredPluginThreadless;
  48 import freenet.pluginmanager.FredPluginVersioned;
  49 import freenet.pluginmanager.PluginReplySender;
  50 import freenet.pluginmanager.PluginRespirator;
  51 import freenet.support.SimpleFieldSet;
  52 import freenet.support.api.Bucket;
  53
  54 /**
  55  * This class interfaces with Freenet. It is the class that is loaded by the
  56  * node and starts up the whole Sone system.
  57  *
  58  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  59  */
  60 public class SonePlugin implements FredPlugin, FredPluginFCP, FredPluginL10n, FredPluginBaseL10n, FredPluginThreadless, FredPluginVersioned {
  61
  62         static {
  63                 /* initialize logging. */
  64                 Logging.setup("sone");
  65                 Logging.addLoggingListener(new LoggingListener() {
  66
  67                         @Override
  68                         public void logged(LogRecord logRecord) {
  69                                 Class<?> loggerClass = Logging.getLoggerClass(logRecord.getLoggerName());
  70                                 int recordLevel = logRecord.getLevel().intValue();
  71                                 if (recordLevel < Level.FINE.intValue()) {
  72                                         freenet.support.Logger.debug(loggerClass, logRecord.getMessage(), logRecord.getThrown());
  73                                 } else if (recordLevel < Level.INFO.intValue()) {
  74                                         freenet.support.Logger.minor(loggerClass, logRecord.getMessage(), logRecord.getThrown());
  75                                 } else if (recordLevel < Level.WARNING.intValue()) {
  76                                         freenet.support.Logger.normal(loggerClass, logRecord.getMessage(), logRecord.getThrown());
  77                                 } else if (recordLevel < Level.SEVERE.intValue()) {
  78                                         freenet.support.Logger.warning(loggerClass, logRecord.getMessage(), logRecord.getThrown());
  79                                 } else {
  80                                         freenet.support.Logger.error(loggerClass, logRecord.getMessage(), logRecord.getThrown());
  81                                 }
  82                         }
  83                 });
  84         }
  85
  86         /** The version. */
  87         public static final Version VERSION = new Version(0, 8, 2);
  88
  89         /** The logger. */
  90         private static final Logger logger = Logging.getLogger(SonePlugin.class);
  91
  92         /** The plugin respirator. */
  93         private PluginRespirator pluginRespirator;
  94
  95         /** The core. */
  96         private Core core;
  97
  98         /** The web interface. */
  99         private WebInterface webInterface;
 100
 101         /** The FCP interface. */
 102         private FcpInterface fcpInterface;
 103
 104         /** The l10n helper. */
 105         private PluginL10n l10n;
 106
 107         /** The web of trust connector. */
 108         private WebOfTrustConnector webOfTrustConnector;
 109
 110         /** The identity manager. */
 111         private IdentityManager identityManager;
 112
 113         //
 114         // ACCESSORS
 115         //
 116
 117         /**
 118          * Returns the plugin respirator for this plugin.
 119          *
 120          * @return The plugin respirator
 121          */
 122         public PluginRespirator pluginRespirator() {
 123                 return pluginRespirator;
 124         }
 125
 126         /**
 127          * Returns the core started by this plugin.
 128          *
 129          * @return The core
 130          */
 131         public Core core() {
 132                 return core;
 133         }
 134
 135         /**
 136          * Returns the plugin’s l10n helper.
 137          *
 138          * @return The plugin’s l10n helper
 139          */
 140         public PluginL10n l10n() {
 141                 return l10n;
 142         }
 143
 144         //
 145         // FREDPLUGIN METHODS
 146         //
 147
 148         /**
 149          * {@inheritDoc}
 150          */
 151         @Override
 152         public void runPlugin(PluginRespirator pluginRespirator) {
 153                 this.pluginRespirator = pluginRespirator;
 154
 155                 /* create a configuration. */
 156                 Configuration oldConfiguration;
 157                 Configuration newConfiguration = null;
 158                 boolean firstStart = !new File("sone.properties").exists();
 159                 boolean newConfig = false;
 160                 try {
 161                         oldConfiguration = new Configuration(new MapConfigurationBackend(new File("sone.properties"), false));
 162                         newConfiguration = oldConfiguration;
 163                 } catch (ConfigurationException ce1) {
 164                         newConfig = true;
 165                         logger.log(Level.INFO, "Could not load configuration file, trying plugin store…", ce1);
 166                         try {
 167                                 newConfiguration = new Configuration(new MapConfigurationBackend(new File("sone.properties"), true));
 168                                 logger.log(Level.INFO, "Created new configuration file.");
 169                         } catch (ConfigurationException ce2) {
 170                                 logger.log(Level.SEVERE, "Could not create configuration file, using Plugin Store!", ce2);
 171                         }
 172                         try {
 173                                 oldConfiguration = new Configuration(new PluginStoreConfigurationBackend(pluginRespirator));
 174                                 logger.log(Level.INFO, "Plugin store loaded.");
 175                         } catch (DatabaseDisabledException dde1) {
 176                                 logger.log(Level.SEVERE, "Could not load any configuration, using empty configuration!");
 177                                 oldConfiguration = new Configuration(new MapConfigurationBackend());
 178                         }
 179                 }
 180
 181                 boolean startupFailed = true;
 182                 try {
 183                         /* create freenet interface. */
 184                         FreenetInterface freenetInterface = new FreenetInterface(pluginRespirator.getNode());
 185
 186                         /* create web of trust connector. */
 187                         PluginConnector pluginConnector = new PluginConnector(pluginRespirator);
 188                         webOfTrustConnector = new WebOfTrustConnector(pluginConnector);
 189                         identityManager = new IdentityManager(webOfTrustConnector, "Sone");
 190
 191                         /* create trust updater. */
 192                         WebOfTrustUpdater trustUpdater = new WebOfTrustUpdater(webOfTrustConnector);
 193                         trustUpdater.init();
 194
 195                         /* create core. */
 196                         core = new Core(oldConfiguration, freenetInterface, identityManager, trustUpdater);
 197
 198                         /* create the web interface. */
 199                         webInterface = new WebInterface(this);
 200                         core.addCoreListener(webInterface);
 201
 202                         /* create FCP interface. */
 203                         fcpInterface = new FcpInterface(core);
 204                         core.setFcpInterface(fcpInterface);
 205
 206                         /* create the identity manager. */
 207                         identityManager.addIdentityListener(core);
 208
 209                         /* start core! */
 210                         core.start();
 211                         if ((newConfiguration != null) && (oldConfiguration != newConfiguration)) {
 212                                 logger.log(Level.INFO, "Setting configuration to file-based configuration.");
 213                                 core.setConfiguration(newConfiguration);
 214                         }
 215                         webInterface.start();
 216                         webInterface.setFirstStart(firstStart);
 217                         webInterface.setNewConfig(newConfig);
 218                         identityManager.start();
 219                         startupFailed = false;
 220                 } finally {
 221                         if (startupFailed) {
 222                                 /*
 223                                  * we let the exception bubble up but shut the logging down so
 224                                  * that the logfile is not swamped by the installed logging
 225                                  * handlers of the failed instances.
 226                                  */
 227                                 Logging.shutdown();
 228                         }
 229                 }
 230         }
 231
 232         /**
 233          * {@inheritDoc}
 234          */
 235         @Override
 236         public void terminate() {
 237                 try {
 238                         /* stop the web interface. */
 239                         webInterface.stop();
 240
 241                         /* stop the core. */
 242                         core.stop();
 243
 244                         /* stop the identity manager. */
 245                         identityManager.stop();
 246
 247                         /* stop the web of trust connector. */
 248                         webOfTrustConnector.stop();
 249                 } catch (Throwable t1) {
 250                         logger.log(Level.SEVERE, "Error while shutting down!", t1);
 251                 } finally {
 252                         /* shutdown logger. */
 253                         Logging.shutdown();
 254                 }
 255         }
 256
 257         //
 258         // INTERFACE FredPluginFCP
 259         //
 260
 261         /**
 262          * {@inheritDoc}
 263          */
 264         @Override
 265         public void handle(PluginReplySender pluginReplySender, SimpleFieldSet parameters, Bucket data, int accessType) {
 266                 fcpInterface.handle(pluginReplySender, parameters, data, accessType);
 267         }
 268
 269         //
 270         // INTERFACE FredPluginL10n
 271         //
 272
 273         /**
 274          * {@inheritDoc}
 275          */
 276         @Override
 277         public String getString(String key) {
 278                 return l10n.getBase().getString(key);
 279         }
 280
 281         /**
 282          * {@inheritDoc}
 283          */
 284         @Override
 285         public void setLanguage(LANGUAGE newLanguage) {
 286                 l10n = new PluginL10n(this, newLanguage);
 287         }
 288
 289         //
 290         // INTERFACE FredPluginBaseL10n
 291         //
 292
 293         /**
 294          * {@inheritDoc}
 295          */
 296         @Override
 297         public String getL10nFilesBasePath() {
 298                 return "i18n";
 299         }
 300
 301         /**
 302          * {@inheritDoc}
 303          */
 304         @Override
 305         public String getL10nFilesMask() {
 306                 return "sone.${lang}.properties";
 307         }
 308
 309         /**
 310          * {@inheritDoc}
 311          */
 312         @Override
 313         public String getL10nOverrideFilesMask() {
 314                 return "sone.${lang}.override.properties";
 315         }
 316
 317         /**
 318          * {@inheritDoc}
 319          */
 320         @Override
 321         public ClassLoader getPluginClassLoader() {
 322                 return SonePlugin.class.getClassLoader();
 323         }
 324
 325         //
 326         // INTERFACE FredPluginVersioned
 327         //
 328
 329         /**
 330          * {@inheritDoc}
 331          */
 332         @Override
 333         public String getVersion() {
 334                 return VERSION.toString();
 335         }
 336
 337 }