package net.pterodactylus.sone.freenet.wot;
-import java.util.Collections;
-import java.util.HashMap;
+import static com.google.common.base.Optional.fromNullable;
+import static com.google.common.collect.HashMultimap.create;
+
import java.util.HashSet;
-import java.util.Map;
-import java.util.Map.Entry;
import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;
import net.pterodactylus.sone.freenet.plugin.PluginException;
-import net.pterodactylus.sone.freenet.wot.event.IdentityAddedEvent;
-import net.pterodactylus.sone.freenet.wot.event.IdentityRemovedEvent;
-import net.pterodactylus.sone.freenet.wot.event.IdentityUpdatedEvent;
-import net.pterodactylus.sone.freenet.wot.event.OwnIdentityAddedEvent;
-import net.pterodactylus.sone.freenet.wot.event.OwnIdentityRemovedEvent;
import net.pterodactylus.util.logging.Logging;
import net.pterodactylus.util.service.AbstractService;
+import com.google.common.collect.Multimap;
+import com.google.common.collect.Sets;
import com.google.common.eventbus.EventBus;
import com.google.inject.Inject;
-import com.google.inject.name.Named;
/**
* The identity manager takes care of loading and storing identities, their
*/
public class IdentityManager extends AbstractService {
- /** Object used for synchronization. */
- @SuppressWarnings("hiding")
- private final Object syncObject = new Object() {
- /* inner class for better lock names. */
- };
-
/** The logger. */
private static final Logger logger = Logging.getLogger(IdentityManager.class);
/** The event bus. */
private final EventBus eventBus;
+ private final IdentityLoader identityLoader;
+
/** The Web of Trust connector. */
private final WebOfTrustConnector webOfTrustConnector;
- /** The context to filter for. */
- private final String context;
-
/** The currently known own identities. */
- /* synchronize access on syncObject. */
- private final Map<String, OwnIdentity> currentOwnIdentities = new HashMap<String, OwnIdentity>();
-
- /** The last time all identities were loaded. */
- private volatile long identitiesLastLoaded;
+ private final Set<OwnIdentity> currentOwnIdentities = Sets.newHashSet();
/**
* Creates a new identity manager.
* The event bus
* @param webOfTrustConnector
* The Web of Trust connector
- * @param context
- * The context to focus on (may be {@code null} to ignore
- * contexts)
*/
@Inject
- public IdentityManager(EventBus eventBus, WebOfTrustConnector webOfTrustConnector, @Named("WebOfTrustContext") String context) {
+ public IdentityManager(EventBus eventBus, WebOfTrustConnector webOfTrustConnector, IdentityLoader identityLoader) {
super("Sone Identity Manager", false);
this.eventBus = eventBus;
this.webOfTrustConnector = webOfTrustConnector;
- this.context = context;
+ this.identityLoader = identityLoader;
}
//
//
/**
- * Returns the last time all identities were loaded.
- *
- * @return The last time all identities were loaded (in milliseconds since
- * Jan 1, 1970 UTC)
- */
- public long getIdentitiesLastLoaded() {
- return identitiesLastLoaded;
- }
-
- /**
* Returns whether the Web of Trust plugin could be reached during the last
* try.
*
}
/**
- * Returns the own identity with the given ID.
- *
- * @param id
- * The ID of the own identity
- * @return The own identity, or {@code null} if there is no such identity
- */
- public OwnIdentity getOwnIdentity(String id) {
- Set<OwnIdentity> allOwnIdentities = getAllOwnIdentities();
- for (OwnIdentity ownIdentity : allOwnIdentities) {
- if (ownIdentity.getId().equals(id)) {
- return new DefaultOwnIdentity(ownIdentity);
- }
- }
- return null;
- }
-
- /**
* Returns all own identities.
*
* @return All own identities
*/
public Set<OwnIdentity> getAllOwnIdentities() {
- return new HashSet<OwnIdentity>(currentOwnIdentities.values());
+ synchronized (currentOwnIdentities) {
+ return new HashSet<OwnIdentity>(currentOwnIdentities);
+ }
}
//
*/
@Override
protected void serviceRun() {
- Map<OwnIdentity, Map<String, Identity>> oldIdentities = Collections.emptyMap();
- while (!shouldStop()) {
- Map<OwnIdentity, Map<String, Identity>> currentIdentities = new HashMap<OwnIdentity, Map<String, Identity>>();
- Map<String, OwnIdentity> currentOwnIdentities = new HashMap<String, OwnIdentity>();
+ Multimap<OwnIdentity, Identity> oldIdentities = create();
- Set<OwnIdentity> ownIdentities = null;
- boolean identitiesLoaded = false;
+ while (!shouldStop()) {
try {
- /* get all identities with the wanted context from WoT. */
- ownIdentities = webOfTrustConnector.loadAllOwnIdentities();
+ Multimap<OwnIdentity, Identity> currentIdentities = identityLoader.loadIdentities();
- /* load trusted identities. */
- for (OwnIdentity ownIdentity : ownIdentities) {
- currentOwnIdentities.put(ownIdentity.getId(), ownIdentity);
- Map<String, Identity> identities = new HashMap<String, Identity>();
- currentIdentities.put(ownIdentity, identities);
+ IdentityChangeEventSender identityChangeEventSender = new IdentityChangeEventSender(eventBus, oldIdentities);
+ identityChangeEventSender.detectChanges(currentIdentities);
- /*
- * if the context doesn’t match, skip getting trusted
- * identities.
- */
- if ((context != null) && !ownIdentity.hasContext(context)) {
- continue;
- }
+ oldIdentities = currentIdentities;
- /* load trusted identities. */
- Set<Identity> trustedIdentities = webOfTrustConnector.loadTrustedIdentities(ownIdentity, context);
- for (Identity identity : trustedIdentities) {
- identities.put(identity.getId(), identity);
- }
+ synchronized (currentOwnIdentities) {
+ currentOwnIdentities.clear();
+ currentOwnIdentities.addAll(currentIdentities.keySet());
}
- identitiesLoaded = true;
- identitiesLastLoaded = System.currentTimeMillis();
} catch (WebOfTrustException wote1) {
logger.log(Level.WARNING, "WoT has disappeared!", wote1);
}
- if (identitiesLoaded) {
-
- /* check for changes. */
- checkOwnIdentities(currentOwnIdentities);
-
- /* now check for changes in remote identities. */
- for (OwnIdentity ownIdentity : currentOwnIdentities.values()) {
-
- /* find new identities. */
- for (Identity currentIdentity : currentIdentities.get(ownIdentity).values()) {
- if (!oldIdentities.containsKey(ownIdentity) || !oldIdentities.get(ownIdentity).containsKey(currentIdentity.getId())) {
- eventBus.post(new IdentityAddedEvent(ownIdentity, currentIdentity));
- }
- }
-
- /* find removed identities. */
- if (oldIdentities.containsKey(ownIdentity)) {
- for (Identity oldIdentity : oldIdentities.get(ownIdentity).values()) {
- if (!currentIdentities.get(ownIdentity).containsKey(oldIdentity.getId())) {
- eventBus.post(new IdentityRemovedEvent(ownIdentity, oldIdentity));
- }
- }
-
- /* check for changes in the contexts. */
- for (Identity oldIdentity : oldIdentities.get(ownIdentity).values()) {
- if (!currentIdentities.get(ownIdentity).containsKey(oldIdentity.getId())) {
- continue;
- }
- Identity newIdentity = currentIdentities.get(ownIdentity).get(oldIdentity.getId());
- Set<String> oldContexts = oldIdentity.getContexts();
- Set<String> newContexts = newIdentity.getContexts();
- if (oldContexts.size() != newContexts.size()) {
- eventBus.post(new IdentityUpdatedEvent(ownIdentity, newIdentity));
- continue;
- }
- for (String oldContext : oldContexts) {
- if (!newContexts.contains(oldContext)) {
- eventBus.post(new IdentityUpdatedEvent(ownIdentity, newIdentity));
- break;
- }
- }
- }
-
- /* check for changes in the properties. */
- for (Identity oldIdentity : oldIdentities.get(ownIdentity).values()) {
- if (!currentIdentities.get(ownIdentity).containsKey(oldIdentity.getId())) {
- continue;
- }
- Identity newIdentity = currentIdentities.get(ownIdentity).get(oldIdentity.getId());
- Map<String, String> oldProperties = oldIdentity.getProperties();
- Map<String, String> newProperties = newIdentity.getProperties();
- if (oldProperties.size() != newProperties.size()) {
- eventBus.post(new IdentityUpdatedEvent(ownIdentity, newIdentity));
- continue;
- }
- for (Entry<String, String> oldProperty : oldProperties.entrySet()) {
- if (!newProperties.containsKey(oldProperty.getKey()) || !newProperties.get(oldProperty.getKey()).equals(oldProperty.getValue())) {
- eventBus.post(new IdentityUpdatedEvent(ownIdentity, newIdentity));
- break;
- }
- }
- }
- }
- }
-
- /* remember the current set of identities. */
- oldIdentities = currentIdentities;
- }
-
/* wait a minute before checking again. */
sleep(60 * 1000);
}
}
- //
- // PRIVATE METHODS
- //
-
- /**
- * Checks the given new list of own identities for added or removed own
- * identities, as compared to {@link #currentOwnIdentities}.
- *
- * @param newOwnIdentities
- * The new own identities
- */
- private void checkOwnIdentities(Map<String, OwnIdentity> newOwnIdentities) {
- synchronized (syncObject) {
-
- /* find removed own identities: */
- for (OwnIdentity oldOwnIdentity : currentOwnIdentities.values()) {
- OwnIdentity newOwnIdentity = newOwnIdentities.get(oldOwnIdentity.getId());
- if ((newOwnIdentity == null) || ((context != null) && oldOwnIdentity.hasContext(context) && !newOwnIdentity.hasContext(context))) {
- eventBus.post(new OwnIdentityRemovedEvent(new DefaultOwnIdentity(oldOwnIdentity)));
- }
- }
-
- /* find added own identities. */
- for (OwnIdentity currentOwnIdentity : newOwnIdentities.values()) {
- OwnIdentity oldOwnIdentity = currentOwnIdentities.get(currentOwnIdentity.getId());
- if (((oldOwnIdentity == null) && ((context == null) || currentOwnIdentity.hasContext(context))) || ((oldOwnIdentity != null) && (context != null) && (!oldOwnIdentity.hasContext(context) && currentOwnIdentity.hasContext(context)))) {
- eventBus.post(new OwnIdentityAddedEvent(new DefaultOwnIdentity(currentOwnIdentity)));
- }
- }
-
- currentOwnIdentities.clear();
- currentOwnIdentities.putAll(newOwnIdentities);
- }
- }
-
}