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.database.Database;
  29 import net.pterodactylus.sone.database.memory.MemoryDatabase;
  30 import net.pterodactylus.sone.fcp.FcpInterface;
  31 import net.pterodactylus.sone.freenet.PluginStoreConfigurationBackend;
  32 import net.pterodactylus.sone.freenet.plugin.PluginConnector;
  33 import net.pterodactylus.sone.freenet.wot.IdentityManager;
  34 import net.pterodactylus.sone.freenet.wot.WebOfTrustConnector;
  35 import net.pterodactylus.sone.web.WebInterface;
  36 import net.pterodactylus.util.config.Configuration;
  37 import net.pterodactylus.util.config.ConfigurationException;
  38 import net.pterodactylus.util.config.MapConfigurationBackend;
  39 import net.pterodactylus.util.logging.Logging;
  40 import net.pterodactylus.util.logging.LoggingListener;
  41 import net.pterodactylus.util.version.Version;
  42 import freenet.client.async.DatabaseDisabledException;
  43 import freenet.l10n.BaseL10n.LANGUAGE;
  44 import freenet.l10n.PluginL10n;
  45 import freenet.pluginmanager.FredPlugin;
  46 import freenet.pluginmanager.FredPluginBaseL10n;
  47 import freenet.pluginmanager.FredPluginFCP;
  48 import freenet.pluginmanager.FredPluginL10n;
  49 import freenet.pluginmanager.FredPluginThreadless;
  50 import freenet.pluginmanager.FredPluginVersioned;
  51 import freenet.pluginmanager.PluginReplySender;
  52 import freenet.pluginmanager.PluginRespirator;
  53 import freenet.support.SimpleFieldSet;
  54 import freenet.support.api.Bucket;
  55
  56 /**
  57  * This class interfaces with Freenet. It is the class that is loaded by the
  58  * node and starts up the whole Sone system.
  59  *
  60  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  61  */
  62 public class SonePlugin implements FredPlugin, FredPluginFCP, FredPluginL10n, FredPluginBaseL10n, FredPluginThreadless, FredPluginVersioned {
  63
  64         static {
  65                 /* initialize logging. */
  66                 Logging.setup("sone");
  67                 Logging.addLoggingListener(new LoggingListener() {
  68
  69                         @Override
  70                         public void logged(LogRecord logRecord) {
  71                                 Class<?> loggerClass = Logging.getLoggerClass(logRecord.getLoggerName());
  72                                 int recordLevel = logRecord.getLevel().intValue();
  73                                 if (recordLevel < Level.FINE.intValue()) {
  74                                         freenet.support.Logger.debug(loggerClass, logRecord.getMessage(), logRecord.getThrown());
  75                                 } else if (recordLevel < Level.INFO.intValue()) {
  76                                         freenet.support.Logger.minor(loggerClass, logRecord.getMessage(), logRecord.getThrown());
  77                                 } else if (recordLevel < Level.WARNING.intValue()) {
  78                                         freenet.support.Logger.normal(loggerClass, logRecord.getMessage(), logRecord.getThrown());
  79                                 } else if (recordLevel < Level.SEVERE.intValue()) {
  80                                         freenet.support.Logger.warning(loggerClass, logRecord.getMessage(), logRecord.getThrown());
  81                                 } else {
  82                                         freenet.support.Logger.error(loggerClass, logRecord.getMessage(), logRecord.getThrown());
  83                                 }
  84                         }
  85                 });
  86         }
  87
  88         /** The version. */
  89         public static final Version VERSION = new Version(0, 8, 4);
  90
  91         /** The logger. */
  92         private static final Logger logger = Logging.getLogger(SonePlugin.class);
  93
  94         /** The plugin respirator. */
  95         private PluginRespirator pluginRespirator;
  96
  97         /** The core. */
  98         private Core core;
  99
 100         /** The web interface. */
 101         private WebInterface webInterface;
 102
 103         /** The FCP interface. */
 104         private FcpInterface fcpInterface;
 105
 106         /** The l10n helper. */
 107         private PluginL10n l10n;
 108
 109         /** The web of trust connector. */
 110         private WebOfTrustConnector webOfTrustConnector;
 111
 112         /** The identity manager. */
 113         private IdentityManager identityManager;
 114
 115         //
 116         // ACCESSORS
 117         //
 118
 119         /**
 120          * Returns the plugin respirator for this plugin.
 121          *
 122          * @return The plugin respirator
 123          */
 124         public PluginRespirator pluginRespirator() {
 125                 return pluginRespirator;
 126         }
 127
 128         /**
 129          * Returns the core started by this plugin.
 130          *
 131          * @return The core
 132          */
 133         public Core core() {
 134                 return core;
 135         }
 136
 137         /**
 138          * Returns the plugin’s l10n helper.
 139          *
 140          * @return The plugin’s l10n helper
 141          */
 142         public PluginL10n l10n() {
 143                 return l10n;
 144         }
 145
 146         //
 147         // FREDPLUGIN METHODS
 148         //
 149
 150         /**
 151          * {@inheritDoc}
 152          */
 153         @Override
 154         public void runPlugin(PluginRespirator pluginRespirator) {
 155                 this.pluginRespirator = pluginRespirator;
 156
 157                 /* create a configuration. */
 158                 Configuration oldConfiguration;
 159                 Configuration newConfiguration = null;
 160                 boolean firstStart = !new File("sone.properties").exists();
 161                 boolean newConfig = false;
 162                 try {
 163                         oldConfiguration = new Configuration(new MapConfigurationBackend(new File("sone.properties"), false));
 164                         newConfiguration = oldConfiguration;
 165                 } catch (ConfigurationException ce1) {
 166                         newConfig = true;
 167                         logger.log(Level.INFO, "Could not load configuration file, trying plugin store…", ce1);
 168                         try {
 169                                 newConfiguration = new Configuration(new MapConfigurationBackend(new File("sone.properties"), true));
 170                                 logger.log(Level.INFO, "Created new configuration file.");
 171                         } catch (ConfigurationException ce2) {
 172                                 logger.log(Level.SEVERE, "Could not create configuration file, using Plugin Store!", ce2);
 173                         }
 174                         try {
 175                                 oldConfiguration = new Configuration(new PluginStoreConfigurationBackend(pluginRespirator));
 176                                 logger.log(Level.INFO, "Plugin store loaded.");
 177                         } catch (DatabaseDisabledException dde1) {
 178                                 logger.log(Level.SEVERE, "Could not load any configuration, using empty configuration!");
 179                                 oldConfiguration = new Configuration(new MapConfigurationBackend());
 180                         }
 181                 }
 182
 183                 boolean startupFailed = true;
 184                 try {
 185                         /* create freenet interface. */
 186                         FreenetInterface freenetInterface = new FreenetInterface(pluginRespirator.getNode());
 187
 188                         /* create web of trust connector. */
 189                         PluginConnector pluginConnector = new PluginConnector(pluginRespirator);
 190                         webOfTrustConnector = new WebOfTrustConnector(pluginConnector);
 191                         identityManager = new IdentityManager(webOfTrustConnector, "Sone");
 192
 193                         /* create Sone database. */
 194                         Database soneDatabase = new MemoryDatabase();
 195
 196                         /* create trust updater. */
 197                         WebOfTrustUpdater trustUpdater = new WebOfTrustUpdater(webOfTrustConnector);
 198                         trustUpdater.init();
 199
 200                         /* create core. */
 201                         core = new Core(oldConfiguration, soneDatabase, freenetInterface, identityManager, trustUpdater);
 202
 203                         /* create the web interface. */
 204                         webInterface = new WebInterface(this);
 205                         core.addCoreListener(webInterface);
 206
 207                         /* create FCP interface. */
 208                         fcpInterface = new FcpInterface(core);
 209                         core.setFcpInterface(fcpInterface);
 210
 211                         /* create the identity manager. */
 212                         identityManager.addIdentityListener(core);
 213
 214                         /* start core! */
 215                         core.start();
 216                         if ((newConfiguration != null) && (oldConfiguration != newConfiguration)) {
 217                                 logger.log(Level.INFO, "Setting configuration to file-based configuration.");
 218                                 core.setConfiguration(newConfiguration);
 219                         }
 220                         webInterface.start();
 221                         webInterface.setFirstStart(firstStart);
 222                         webInterface.setNewConfig(newConfig);
 223                         identityManager.start();
 224                         startupFailed = false;
 225                 } finally {
 226                         if (startupFailed) {
 227                                 /*
 228                                  * we let the exception bubble up but shut the logging down so
 229                                  * that the logfile is not swamped by the installed logging
 230                                  * handlers of the failed instances.
 231                                  */
 232                                 Logging.shutdown();
 233                         }
 234                 }
 235         }
 236
 237         /**
 238          * {@inheritDoc}
 239          */
 240         @Override
 241         public void terminate() {
 242                 try {
 243                         /* stop the web interface. */
 244                         webInterface.stop();
 245
 246                         /* stop the core. */
 247                         core.stop();
 248
 249                         /* stop the identity manager. */
 250                         identityManager.stop();
 251
 252                         /* stop the web of trust connector. */
 253                         webOfTrustConnector.stop();
 254                 } catch (Throwable t1) {
 255                         logger.log(Level.SEVERE, "Error while shutting down!", t1);
 256                 } finally {
 257                         /* shutdown logger. */
 258                         Logging.shutdown();
 259                 }
 260         }
 261
 262         //
 263         // INTERFACE FredPluginFCP
 264         //
 265
 266         /**
 267          * {@inheritDoc}
 268          */
 269         @Override
 270         public void handle(PluginReplySender pluginReplySender, SimpleFieldSet parameters, Bucket data, int accessType) {
 271                 fcpInterface.handle(pluginReplySender, parameters, data, accessType);
 272         }
 273
 274         //
 275         // INTERFACE FredPluginL10n
 276         //
 277
 278         /**
 279          * {@inheritDoc}
 280          */
 281         @Override
 282         public String getString(String key) {
 283                 return l10n.getBase().getString(key);
 284         }
 285
 286         /**
 287          * {@inheritDoc}
 288          */
 289         @Override
 290         public void setLanguage(LANGUAGE newLanguage) {
 291                 l10n = new PluginL10n(this, newLanguage);
 292         }
 293
 294         //
 295         // INTERFACE FredPluginBaseL10n
 296         //
 297
 298         /**
 299          * {@inheritDoc}
 300          */
 301         @Override
 302         public String getL10nFilesBasePath() {
 303                 return "i18n";
 304         }
 305
 306         /**
 307          * {@inheritDoc}
 308          */
 309         @Override
 310         public String getL10nFilesMask() {
 311                 return "sone.${lang}.properties";
 312         }
 313
 314         /**
 315          * {@inheritDoc}
 316          */
 317         @Override
 318         public String getL10nOverrideFilesMask() {
 319                 return "sone.${lang}.override.properties";
 320         }
 321
 322         /**
 323          * {@inheritDoc}
 324          */
 325         @Override
 326         public ClassLoader getPluginClassLoader() {
 327                 return SonePlugin.class.getClassLoader();
 328         }
 329
 330         //
 331         // INTERFACE FredPluginVersioned
 332         //
 333
 334         /**
 335          * {@inheritDoc}
 336          */
 337         @Override
 338         public String getVersion() {
 339                 return VERSION.toString();
 340         }
 341
 342 }