/*
- * jFCPlib - FcpClient.java - Copyright © 2009 David Roden
+ * jFCPlib - FcpClient.java - Copyright © 2009–2016 David Roden
*
- * This program is free software; you can redistribute it and/or modify
+ * This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
+ * the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package net.pterodactylus.fcp.highlevel;
+import static com.google.common.collect.FluentIterable.from;
+
+import java.io.Closeable;
import java.io.IOException;
import java.io.InputStream;
import java.net.InetAddress;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
-import java.util.Set;
import java.util.Map.Entry;
+import java.util.Set;
import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.atomic.AtomicReference;
import net.pterodactylus.fcp.AddPeer;
+import net.pterodactylus.fcp.AllData;
+import net.pterodactylus.fcp.ClientGet;
import net.pterodactylus.fcp.ClientHello;
import net.pterodactylus.fcp.CloseConnectionDuplicateClientName;
import net.pterodactylus.fcp.DataFound;
import net.pterodactylus.fcp.SSKKeypair;
import net.pterodactylus.fcp.SimpleProgress;
import net.pterodactylus.fcp.WatchGlobal;
-import net.pterodactylus.util.filter.Filter;
-import net.pterodactylus.util.filter.Filters;
-import net.pterodactylus.util.thread.ObjectWrapper;
+
+import com.google.common.base.Predicate;
/**
* High-level FCP client that hides the details of the underlying FCP
*
* @author David ‘Bombe’ Roden <bombe@freenetproject.org>
*/
-public class FcpClient {
+public class FcpClient implements Closeable {
/** Object used for synchronization. */
private final Object syncObject = new Object();
/** Listener management. */
private final FcpClientListenerManager fcpClientListenerManager = new FcpClientListenerManager(this);
- /** The name of this client. */
- private final String name;
-
/** The underlying FCP connection. */
private final FcpConnection fcpConnection;
/** Whether the client is currently connected. */
private volatile boolean connected;
+ /** The listener for “connection closed” events. */
+ private FcpListener connectionClosedListener;
+
/**
* Creates an FCP client with the given name.
*
- * @param name
- * The name of the FCP client
* @throws UnknownHostException
* if the hostname “localhost” is unknown
*/
- public FcpClient(String name) throws UnknownHostException {
- this(name, "localhost");
+ public FcpClient() throws UnknownHostException {
+ this("localhost");
}
/**
* Creates an FCP client.
*
- * @param name
- * The name of the FCP client
* @param hostname
* The hostname of the Freenet node
* @throws UnknownHostException
* if the given hostname can not be resolved
*/
- public FcpClient(String name, String hostname) throws UnknownHostException {
- this(name, hostname, FcpConnection.DEFAULT_PORT);
+ public FcpClient(String hostname) throws UnknownHostException {
+ this(hostname, FcpConnection.DEFAULT_PORT);
}
/**
* Creates an FCP client.
*
- * @param name
- * The name of the FCP client
* @param hostname
* The hostname of the Freenet node
* @param port
* @throws UnknownHostException
* if the given hostname can not be resolved
*/
- public FcpClient(String name, String hostname, int port) throws UnknownHostException {
- this(name, InetAddress.getByName(hostname), port);
+ public FcpClient(String hostname, int port) throws UnknownHostException {
+ this(InetAddress.getByName(hostname), port);
}
/**
* Creates an FCP client.
*
- * @param name
- * The name of the FCP client
* @param host
* The host address of the Freenet node
*/
- public FcpClient(String name, InetAddress host) {
- this(name, host, FcpConnection.DEFAULT_PORT);
+ public FcpClient(InetAddress host) {
+ this(host, FcpConnection.DEFAULT_PORT);
}
/**
* Creates an FCP client.
*
- * @param name
- * The name of the FCP client
* @param host
* The host address of the Freenet node
* @param port
* The Freenet node’s FCP port
*/
- public FcpClient(String name, InetAddress host, int port) {
- this.name = name;
- fcpConnection = new FcpConnection(host, port);
- fcpConnection.addFcpListener(new FcpAdapter() {
+ public FcpClient(InetAddress host, int port) {
+ this(new FcpConnection(host, port), false);
+ }
+
+ /**
+ * Creates a new high-level FCP client that will use the given connection.
+ * This constructor will assume that the FCP connection is already
+ * connected.
+ *
+ * @param fcpConnection
+ * The FCP connection to use
+ */
+ public FcpClient(FcpConnection fcpConnection) {
+ this(fcpConnection, true);
+ }
+
+ /**
+ * Creates a new high-level FCP client that will use the given connection.
+ *
+ * @param fcpConnection
+ * The FCP connection to use
+ * @param connected
+ * The initial status of the FCP connection
+ */
+ public FcpClient(FcpConnection fcpConnection, boolean connected) {
+ this.fcpConnection = fcpConnection;
+ this.connected = connected;
+ connectionClosedListener = new FcpAdapter() {
/**
* {@inheritDoc}
@Override
@SuppressWarnings("synthetic-access")
public void connectionClosed(FcpConnection fcpConnection, Throwable throwable) {
- connected = false;
+ FcpClient.this.connected = false;
fcpClientListenerManager.fireFcpClientDisconnected();
}
- });
+ };
+ fcpConnection.addFcpListener(connectionClosedListener);
}
//
/**
* Connects the FCP client.
*
+ * @param name
+ * The name of the client
* @throws IOException
* if an I/O error occurs
* @throws FcpException
* if an FCP error occurs
*/
- public void connect() throws IOException, FcpException {
+ public void connect(final String name) throws IOException, FcpException {
checkConnected(false);
connected = true;
new ExtendedFcpAdapter() {
}
/**
+ * Returns the file with the given URI. The retrieved data will be run
+ * through Freenet’s content filter.
+ *
+ * @param uri
+ * The URI to get
+ * @return The result of the get request
+ * @throws IOException
+ * if an I/O error occurs
+ * @throws FcpException
+ * if an FCP error occurs
+ */
+ public GetResult getURI(final String uri) throws IOException, FcpException {
+ return getURI(uri, true);
+ }
+
+ /**
+ * Returns the file with the given URI.
+ *
+ * @param uri
+ * The URI to get
+ * @param filterData
+ * {@code true} to filter the retrieved data, {@code false}
+ * otherwise
+ * @return The result of the get request
+ * @throws IOException
+ * if an I/O error occurs
+ * @throws FcpException
+ * if an FCP error occurs
+ */
+ public GetResult getURI(final String uri, final boolean filterData) throws IOException, FcpException {
+ checkConnected(true);
+ final GetResult getResult = new GetResult();
+ new ExtendedFcpAdapter() {
+
+ @SuppressWarnings("synthetic-access")
+ private final String identifier = createIdentifier("client-get");
+
+ @Override
+ @SuppressWarnings("synthetic-access")
+ public void run() throws IOException {
+ ClientGet clientGet = new ClientGet(uri, identifier);
+ clientGet.setFilterData(filterData);
+ fcpConnection.sendMessage(clientGet);
+ }
+
+ @Override
+ public void receivedGetFailed(FcpConnection fcpConnection, GetFailed getFailed) {
+ if (!getFailed.getIdentifier().equals(identifier)) {
+ return;
+ }
+ if ((getFailed.getCode() == 27) || (getFailed.getCode() == 24)) {
+ /* redirect! */
+ String newUri = getFailed.getRedirectURI();
+ getResult.realUri(newUri);
+ try {
+ ClientGet clientGet = new ClientGet(newUri, identifier);
+ clientGet.setFilterData(filterData);
+ fcpConnection.sendMessage(clientGet);
+ } catch (IOException ioe1) {
+ getResult.success(false).exception(ioe1);
+ completionLatch.countDown();
+ }
+ } else {
+ getResult.success(false).errorCode(getFailed.getCode());
+ completionLatch.countDown();
+ }
+ }
+
+ @Override
+ public void receivedAllData(FcpConnection fcpConnection, AllData allData) {
+ if (!allData.getIdentifier().equals(identifier)) {
+ return;
+ }
+ getResult.success(true).contentType(allData.getContentType()).contentLength(allData.getDataLength()).inputStream(allData.getPayloadInputStream());
+ completionLatch.countDown();
+ }
+
+ }.execute();
+ return getResult;
+ }
+
+ /**
* Disconnects the FCP client.
*/
public void disconnect() {
}
/**
+ * {@inheritDoc}
+ */
+ @Override
+ public void close() {
+ disconnect();
+ }
+
+ /**
* Returns whether this client is currently connected.
*
* @return {@code true} if the client is currently connected, {@code false}
return connected;
}
+ /**
+ * Detaches this client from its underlying FCP connection.
+ */
+ public void detach() {
+ fcpConnection.removeFcpListener(connectionClosedListener);
+ }
+
//
// PEER MANAGEMENT
//
/**
* Adds a peer, reading the noderef of the peer from the given file.
- * <strong>Note:</strong> the file to read the noderef from has to reside on
- * the same machine as the node!
+ * <strong>Note:</strong> the file to read the noderef from has to reside
+ * on the same machine as the node!
*
* @param file
* The name of the file containing the peer’s noderef
* if an FCP error occurs
*/
public PeerNote getPeerNote(final Peer peer) throws IOException, FcpException {
- final
ObjectWrapper<PeerNote> objectWrapper = new ObjectWrapper<PeerNote>();
+ final
AtomicReference<PeerNote> objectWrapper = new AtomicReference<PeerNote>();
new ExtendedFcpAdapter() {
/**
* if an FCP error occurs
*/
public SSKKeypair generateKeyPair() throws IOException, FcpException {
- final ObjectWrapper<SSKKeypair> sskKeypairWrapper = new ObjectWrapper<SSKKeypair>();
+ final AtomicReference<SSKKeypair> sskKeypairWrapper = new AtomicReference<SSKKeypair>();
new ExtendedFcpAdapter() {
/**
* if an FCP error occurs
*/
public Collection<Request> getGetRequests(final boolean global) throws IOException, FcpException {
- return Filters.filteredCollection(getRequests(global), new Filter<Request>() {
-
- /**
- * {@inheritDoc}
- */
- public boolean filterObject(Request request) {
+ return from(getRequests(global)).filter(new Predicate<Request>() {
+ @Override
+ public boolean apply(Request request) {
return request instanceof GetRequest;
}
- });
+ }).toList();
}
/**
* if an FCP error occurs
*/
public Collection<Request> getPutRequests(final boolean global) throws IOException, FcpException {
- return Filters.filteredCollection(getRequests(global), new Filter<Request>() {
-
- /**
- * {@inheritDoc}
- */
- public boolean filterObject(Request request) {
+ return from(getRequests(global)).filter(new Predicate<Request>() {
+ @Override
+ public boolean apply(Request request) {
return request instanceof PutRequest;
}
- });
+ }).toList();
}
/**
*
* @param global
* <code>true</code> to return requests from the global queue,
- * <code>false</code> to only show requests from the client-local
- * queue
+ * <code>false</code> to only show requests from the
+ * client-local queue
* @return All requests
* @throws IOException
* if an I/O error occurs
* if an I/O error occurs
*/
public NodeData getNodeInformation(final Boolean giveOpennetRef, final Boolean withPrivate, final Boolean withVolatile) throws IOException, FcpException {
- final ObjectWrapper<NodeData> nodeDataWrapper = new ObjectWrapper<NodeData>();
+ final AtomicReference<NodeData> nodeDataWrapper = new AtomicReference<NodeData>();
new ExtendedFcpAdapter() {
@Override
projects / jFCPlib.git / blobdiff