Fix FCP plugin request sending and receiving.
authorDavid ‘Bombe’ Roden <bombe@pterodactylus.net>
Wed, 12 Sep 2012 05:46:52 +0000 (07:46 +0200)
committerDavid ‘Bombe’ Roden <bombe@pterodactylus.net>
Wed, 12 Sep 2012 05:50:41 +0000 (07:50 +0200)
src/main/java/net/pterodactylus/sone/freenet/wot/WebOfTrustConnector.java

index 435f078..4ef26cb 100644 (file)
@@ -21,6 +21,7 @@ import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Map;
 import java.util.Set;
+import java.util.concurrent.atomic.AtomicLong;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
@@ -36,7 +37,7 @@ import freenet.support.api.Bucket;
  *
  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  */
-public class WebOfTrustConnector implements ConnectorListener {
+public class WebOfTrustConnector {
 
        /** The logger. */
        private static final Logger logger = Logging.getLogger(WebOfTrustConnector.class);
@@ -44,11 +45,8 @@ public class WebOfTrustConnector implements ConnectorListener {
        /** The name of the WoT plugin. */
        private static final String WOT_PLUGIN_NAME = "plugins.WebOfTrust.WebOfTrust";
 
-       /** A random connection identifier. */
-       private static final String PLUGIN_CONNECTION_IDENTIFIER = "Sone-WoT-Connector-" + Math.abs(Math.random());
-
-       /** The current reply. */
-       private Reply reply;
+       /** Counter for connection identifiers. */
+       private final AtomicLong counter = new AtomicLong();
 
        /** The plugin connector. */
        private final PluginConnector pluginConnector;
@@ -62,7 +60,6 @@ public class WebOfTrustConnector implements ConnectorListener {
         */
        public WebOfTrustConnector(PluginConnector pluginConnector) {
                this.pluginConnector = pluginConnector;
-               pluginConnector.addConnectorListener(WOT_PLUGIN_NAME, PLUGIN_CONNECTION_IDENTIFIER, this);
        }
 
        //
@@ -73,10 +70,7 @@ public class WebOfTrustConnector implements ConnectorListener {
         * Stops the web of trust connector.
         */
        public void stop() {
-               pluginConnector.removeConnectorListener(WOT_PLUGIN_NAME, PLUGIN_CONNECTION_IDENTIFIER, this);
-               synchronized (reply) {
-                       reply.notifyAll();
-               }
+               /* does nothing. */
        }
 
        /**
@@ -380,17 +374,34 @@ public class WebOfTrustConnector implements ConnectorListener {
         * @throws PluginException
         *             if the request could not be sent
         */
-       private synchronized Reply performRequest(SimpleFieldSet fields, Bucket data) throws PluginException {
-               reply = new Reply();
+       private Reply performRequest(SimpleFieldSet fields, Bucket data) throws PluginException {
+               final String identifier = "FCP-Command-" + System.currentTimeMillis() + "-" + counter.getAndIncrement();
+               final Reply reply = new Reply();
                logger.log(Level.FINE, String.format("Sending FCP Request: %s", fields.get("Message")));
+               ConnectorListener connectorListener = new ConnectorListener() {
+
+                       @Override
+                       @SuppressWarnings("synthetic-access")
+                       public void receivedReply(PluginConnector pluginConnector, SimpleFieldSet fields, Bucket data) {
+                               String messageName = fields.get("Message");
+                               logger.log(Level.FINEST, String.format("Received Reply from Plugin: %s", messageName));
+                               synchronized (reply) {
+                                       reply.setFields(fields);
+                                       reply.setData(data);
+                                       reply.notify();
+                               }
+                       }
+               };
+               pluginConnector.addConnectorListener(WOT_PLUGIN_NAME, identifier, connectorListener);
                synchronized (reply) {
-                       pluginConnector.sendRequest(WOT_PLUGIN_NAME, PLUGIN_CONNECTION_IDENTIFIER, fields, data);
+                       pluginConnector.sendRequest(WOT_PLUGIN_NAME, identifier, fields, data);
                        try {
                                reply.wait();
                        } catch (InterruptedException ie1) {
                                logger.log(Level.WARNING, String.format("Got interrupted while waiting for reply on %s.", fields.get("Message")), ie1);
                        }
                }
+               pluginConnector.removeConnectorListener(WOT_PLUGIN_NAME, identifier, connectorListener);
                logger.log(Level.FINEST, String.format("Received FCP Response for %s: %s", fields.get("Message"), (reply.getFields() != null) ? reply.getFields().get("Message") : null));
                if ((reply.getFields() == null) || "Error".equals(reply.getFields().get("Message"))) {
                        throw new PluginException("Could not perform request for " + fields.get("Message"));
@@ -398,24 +409,6 @@ public class WebOfTrustConnector implements ConnectorListener {
                return reply;
        }
 
-       //
-       // INTERFACE ConnectorListener
-       //
-
-       /**
-        * {@inheritDoc}
-        */
-       @Override
-       public void receivedReply(PluginConnector pluginConnector, SimpleFieldSet fields, Bucket data) {
-               String messageName = fields.get("Message");
-               logger.log(Level.FINEST, String.format("Received Reply from Plugin: %s", messageName));
-               synchronized (reply) {
-                       reply.setFields(fields);
-                       reply.setData(data);
-                       reply.notify();
-               }
-       }
-
        /**
         * Container for the data of the reply from a plugin.
         *