package net.pterodactylus.fcp;
+import java.io.Closeable;
import java.io.FilterInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
+import java.util.logging.Logger;
/**
* An FCP connection to a Freenet node.
*
* @author David ‘Bombe’ Roden <bombe@freenetproject.org>
- * @version $Id$
*/
-public class FcpConnection {
+public class FcpConnection implements Closeable {
+
+ /** Logger. */
+ private static final Logger logger = Logger.getLogger(FcpConnection.class.getName());
/** The default port for FCP v2. */
public static final int DEFAULT_PORT = 9481;
* The “NodeHello” message
*/
private void fireReceivedNodeHello(NodeHello nodeHello) {
- for (FcpListener fcpListener: fcpListeners) {
+ for (FcpListener fcpListener : fcpListeners) {
fcpListener.receivedNodeHello(this, nodeHello);
}
}
* The “CloseConnectionDuplicateClientName” message
*/
private void fireReceivedCloseConnectionDuplicateClientName(CloseConnectionDuplicateClientName closeConnectionDuplicateClientName) {
- for (FcpListener fcpListener: fcpListeners) {
+ for (FcpListener fcpListener : fcpListeners) {
fcpListener.receivedCloseConnectionDuplicateClientName(this, closeConnectionDuplicateClientName);
}
}
* The “SSKKeypair” message
*/
private void fireReceivedSSKKeypair(SSKKeypair sskKeypair) {
- for (FcpListener fcpListener: fcpListeners) {
+ for (FcpListener fcpListener : fcpListeners) {
fcpListener.receivedSSKKeypair(this, sskKeypair);
}
}
* The “Peer” message
*/
private void fireReceivedPeer(Peer peer) {
- for (FcpListener fcpListener: fcpListeners) {
+ for (FcpListener fcpListener : fcpListeners) {
fcpListener.receivedPeer(this, peer);
}
}
* The “EndListPeers” message
*/
private void fireReceivedEndListPeers(EndListPeers endListPeers) {
- for (FcpListener fcpListener: fcpListeners) {
+ for (FcpListener fcpListener : fcpListeners) {
fcpListener.receivedEndListPeers(this, endListPeers);
}
}
* @param peerNote
*/
private void fireReceivedPeerNote(PeerNote peerNote) {
- for (FcpListener fcpListener: fcpListeners) {
+ for (FcpListener fcpListener : fcpListeners) {
fcpListener.receivedPeerNote(this, peerNote);
}
}
* The “EndListPeerNotes” message
*/
private void fireReceivedEndListPeerNotes(EndListPeerNotes endListPeerNotes) {
- for (FcpListener fcpListener: fcpListeners) {
+ for (FcpListener fcpListener : fcpListeners) {
fcpListener.receivedEndListPeerNotes(this, endListPeerNotes);
}
}
* The “PeerRemoved” message
*/
private void fireReceivedPeerRemoved(PeerRemoved peerRemoved) {
- for (FcpListener fcpListener: fcpListeners) {
+ for (FcpListener fcpListener : fcpListeners) {
fcpListener.receivedPeerRemoved(this, peerRemoved);
}
}
* The “NodeData” message
*/
private void fireReceivedNodeData(NodeData nodeData) {
- for (FcpListener fcpListener: fcpListeners) {
+ for (FcpListener fcpListener : fcpListeners) {
fcpListener.receivedNodeData(this, nodeData);
}
}
* The “TestDDAReply” message
*/
private void fireReceivedTestDDAReply(TestDDAReply testDDAReply) {
- for (FcpListener fcpListener: fcpListeners) {
+ for (FcpListener fcpListener : fcpListeners) {
fcpListener.receivedTestDDAReply(this, testDDAReply);
}
}
* The “TestDDAComplete” message
*/
private void fireReceivedTestDDAComplete(TestDDAComplete testDDAComplete) {
- for (FcpListener fcpListener: fcpListeners) {
+ for (FcpListener fcpListener : fcpListeners) {
fcpListener.receivedTestDDAComplete(this, testDDAComplete);
}
}
* The “PersistentGet” message
*/
private void fireReceivedPersistentGet(PersistentGet persistentGet) {
- for (FcpListener fcpListener: fcpListeners) {
+ for (FcpListener fcpListener : fcpListeners) {
fcpListener.receivedPersistentGet(this, persistentGet);
}
}
* The “PersistentPut” message
*/
private void fireReceivedPersistentPut(PersistentPut persistentPut) {
- for (FcpListener fcpListener: fcpListeners) {
+ for (FcpListener fcpListener : fcpListeners) {
fcpListener.receivedPersistentPut(this, persistentPut);
}
}
* The “EndListPersistentRequests” message
*/
private void fireReceivedEndListPersistentRequests(EndListPersistentRequests endListPersistentRequests) {
- for (FcpListener fcpListener: fcpListeners) {
+ for (FcpListener fcpListener : fcpListeners) {
fcpListener.receivedEndListPersistentRequests(this, endListPersistentRequests);
}
}
* The “URIGenerated” message
*/
private void fireReceivedURIGenerated(URIGenerated uriGenerated) {
- for (FcpListener fcpListener: fcpListeners) {
+ for (FcpListener fcpListener : fcpListeners) {
fcpListener.receivedURIGenerated(this, uriGenerated);
}
}
* The “DataFound” message
*/
private void fireReceivedDataFound(DataFound dataFound) {
- for (FcpListener fcpListener: fcpListeners) {
+ for (FcpListener fcpListener : fcpListeners) {
fcpListener.receivedDataFound(this, dataFound);
}
}
* The “AllData” message
*/
private void fireReceivedAllData(AllData allData) {
- for (FcpListener fcpListener: fcpListeners) {
+ for (FcpListener fcpListener : fcpListeners) {
fcpListener.receivedAllData(this, allData);
}
}
* The “SimpleProgress” message
*/
private void fireReceivedSimpleProgress(SimpleProgress simpleProgress) {
- for (FcpListener fcpListener: fcpListeners) {
+ for (FcpListener fcpListener : fcpListeners) {
fcpListener.receivedSimpleProgress(this, simpleProgress);
}
}
* The “StartedCompression” message
*/
private void fireReceivedStartedCompression(StartedCompression startedCompression) {
- for (FcpListener fcpListener: fcpListeners) {
+ for (FcpListener fcpListener : fcpListeners) {
fcpListener.receivedStartedCompression(this, startedCompression);
}
}
* The “FinishedCompression” message
*/
private void fireReceivedFinishedCompression(FinishedCompression finishedCompression) {
- for (FcpListener fcpListener: fcpListeners) {
+ for (FcpListener fcpListener : fcpListeners) {
fcpListener.receviedFinishedCompression(this, finishedCompression);
}
}
* The “UnknownPeerNoteType” message
*/
private void fireReceivedUnknownPeerNoteType(UnknownPeerNoteType unknownPeerNoteType) {
- for (FcpListener fcpListener: fcpListeners) {
+ for (FcpListener fcpListener : fcpListeners) {
fcpListener.receivedUnknownPeerNoteType(this, unknownPeerNoteType);
}
}
* The “UnknownNodeIdentifier” message
*/
private void fireReceivedUnknownNodeIdentifier(UnknownNodeIdentifier unknownNodeIdentifier) {
- for (FcpListener fcpListener: fcpListeners) {
+ for (FcpListener fcpListener : fcpListeners) {
fcpListener.receivedUnknownNodeIdentifier(this, unknownNodeIdentifier);
}
}
* The “ConfigData” message
*/
private void fireReceivedConfigData(ConfigData configData) {
- for (FcpListener fcpListener: fcpListeners) {
+ for (FcpListener fcpListener : fcpListeners) {
fcpListener.receivedConfigData(this, configData);
}
}
* The “GetFailed” message
*/
private void fireReceivedGetFailed(GetFailed getFailed) {
- for (FcpListener fcpListener: fcpListeners) {
+ for (FcpListener fcpListener : fcpListeners) {
fcpListener.receivedGetFailed(this, getFailed);
}
}
* The “PutFailed” message
*/
private void fireReceivedPutFailed(PutFailed putFailed) {
- for (FcpListener fcpListener: fcpListeners) {
+ for (FcpListener fcpListener : fcpListeners) {
fcpListener.receivedPutFailed(this, putFailed);
}
}
* The “IdentifierCollision” message
*/
private void fireReceivedIdentifierCollision(IdentifierCollision identifierCollision) {
- for (FcpListener fcpListener: fcpListeners) {
+ for (FcpListener fcpListener : fcpListeners) {
fcpListener.receivedIdentifierCollision(this, identifierCollision);
}
}
* The “PersistentPutDir” message
*/
private void fireReceivedPersistentPutDir(PersistentPutDir persistentPutDir) {
- for (FcpListener fcpListener: fcpListeners) {
+ for (FcpListener fcpListener : fcpListeners) {
fcpListener.receivedPersistentPutDir(this, persistentPutDir);
}
}
* The “PersistentRequestRemoved” message
*/
private void fireReceivedPersistentRequestRemoved(PersistentRequestRemoved persistentRequestRemoved) {
- for (FcpListener fcpListener: fcpListeners) {
+ for (FcpListener fcpListener : fcpListeners) {
fcpListener.receivedPersistentRequestRemoved(this, persistentRequestRemoved);
}
}
* The “SubscribedUSKUpdate” message
*/
private void fireReceivedSubscribedUSKUpdate(SubscribedUSKUpdate subscribedUSKUpdate) {
- for (FcpListener fcpListener: fcpListeners) {
+ for (FcpListener fcpListener : fcpListeners) {
fcpListener.receivedSubscribedUSKUpdate(this, subscribedUSKUpdate);
}
}
* The “PluginInfo” message
*/
private void fireReceivedPluginInfo(PluginInfo pluginInfo) {
- for (FcpListener fcpListener: fcpListeners) {
+ for (FcpListener fcpListener : fcpListeners) {
fcpListener.receivedPluginInfo(this, pluginInfo);
}
}
* The “FCPPluginReply” message
*/
private void fireReceivedFCPPluginReply(FCPPluginReply fcpPluginReply) {
- for (FcpListener fcpListener: fcpListeners) {
+ for (FcpListener fcpListener : fcpListeners) {
fcpListener.receivedFCPPluginReply(this, fcpPluginReply);
}
}
* The “PersistentRequestModified” message
*/
private void fireReceivedPersistentRequestModified(PersistentRequestModified persistentRequestModified) {
- for (FcpListener fcpListener: fcpListeners) {
+ for (FcpListener fcpListener : fcpListeners) {
fcpListener.receivedPersistentRequestModified(this, persistentRequestModified);
}
}
* The “PutSuccessful” message
*/
private void fireReceivedPutSuccessful(PutSuccessful putSuccessful) {
- for (FcpListener fcpListener: fcpListeners) {
+ for (FcpListener fcpListener : fcpListeners) {
fcpListener.receivedPutSuccessful(this, putSuccessful);
}
}
* The “PutFetchable” message
*/
private void fireReceivedPutFetchable(PutFetchable putFetchable) {
- for (FcpListener fcpListener: fcpListeners) {
+ for (FcpListener fcpListener : fcpListeners) {
fcpListener.receivedPutFetchable(this, putFetchable);
}
}
* The “ProtocolError” message
*/
private void fireReceivedProtocolError(ProtocolError protocolError) {
- for (FcpListener fcpListener: fcpListeners) {
+ for (FcpListener fcpListener : fcpListeners) {
fcpListener.receivedProtocolError(this, protocolError);
}
}
* The message that was received
*/
private void fireMessageReceived(FcpMessage fcpMessage) {
- for (FcpListener fcpListener: fcpListeners) {
+ for (FcpListener fcpListener : fcpListeners) {
fcpListener.receivedMessage(this, fcpMessage);
}
}
/**
* Notifies all listeners that the connection to the node was closed.
*
- * @see FcpListener#connectionClosed(FcpConnection)
+ * @param throwable
+ * The exception that caused the disconnect, or <code>null</code>
+ * if there was no exception
+ * @see FcpListener#connectionClosed(FcpConnection, Throwable)
*/
- private void fireConnectionClosed() {
- for (FcpListener fcpListener: fcpListeners) {
- fcpListener.connectionClosed(this);
+ private void fireConnectionClosed(Throwable throwable) {
+ for (FcpListener fcpListener : fcpListeners) {
+ fcpListener.connectionClosed(this, throwable);
}
}
if (connectionHandler != null) {
throw new IllegalStateException("already connected, disconnect first");
}
+ logger.info("connecting to " + address + ":" + port + "…");
remoteSocket = new Socket(address, port);
remoteInputStream = remoteSocket.getInputStream();
remoteOutputStream = remoteSocket.getOutputStream();
/**
* Disconnects from the node. If there is no connection to the node, this
* method does nothing.
+ *
+ * @deprecated Use {@link #close()} instead
*/
+ @Deprecated
public synchronized void disconnect() {
- if (connectionHandler == null) {
- return;
- }
- FcpUtils.close(remoteSocket);
- connectionHandler.stop();
- connectionHandler = null;
+ close();
+ }
+
+ /**
+ * Closes the connection. If there is no connection to the node, this method
+ * does nothing.
+ */
+ public void close() {
+ handleDisconnect(null);
}
/**
* if an I/O error occurs
*/
public synchronized void sendMessage(FcpMessage fcpMessage) throws IOException {
- System.out.println("sending message: " + fcpMessage.getName());
+ logger.fine("sending message: " + fcpMessage.getName());
fcpMessage.write(remoteOutputStream);
}
* The received message
*/
void handleMessage(FcpMessage fcpMessage) {
+ logger.fine("received message: " + fcpMessage.getName());
String messageName = fcpMessage.getName();
countMessage(messageName);
if ("SimpleProgress".equals(messageName)) {
/**
* Handles a disconnect from the node.
+ *
+ * @param throwable
+ * The exception that caused the disconnect, or <code>null</code>
+ * if there was no exception
*/
- synchronized void handleDisconnect() {
+ synchronized void handleDisconnect(Throwable throwable) {
FcpUtils.close(remoteInputStream);
FcpUtils.close(remoteOutputStream);
FcpUtils.close(remoteSocket);
- connectionHandler = null;
- fireConnectionClosed();
+ if (connectionHandler != null) {
+ connectionHandler.stop();
+ connectionHandler = null;
+ fireConnectionClosed(throwable);
+ }
}
//
oldValue = incomingMessageStatistics.get(name);
}
incomingMessageStatistics.put(name, oldValue + 1);
+ logger.finest("count for " + name + ": " + (oldValue + 1));
}
/**
* A wrapper around an {@link InputStream} that only supplies a limit number
* of bytes from the underlying input stream.
*
- * @author <a href="mailto:dr@ina-germany.de">David Roden</a>
- * @version $Id$
+ * @author David ‘Bombe’ Roden <bombe@freenetproject.org>
*/
private static class LimitedInputStream extends FilterInputStream {