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