src/net/pterodactylus/fcp/highlevel/HighLevelClient.java

   1 /*
   2  * fcplib - HighLevelClient.java -
   3  * Copyright © 2008 David Roden
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 package net.pterodactylus.fcp.highlevel;
  21
  22 import java.io.BufferedReader;
  23 import java.io.File;
  24 import java.io.FileReader;
  25 import java.io.FileWriter;
  26 import java.io.IOException;
  27 import java.net.InetAddress;
  28 import java.net.URL;
  29 import java.net.UnknownHostException;
  30 import java.util.ArrayList;
  31 import java.util.Collections;
  32 import java.util.HashMap;
  33 import java.util.List;
  34 import java.util.Map;
  35 import java.util.Map.Entry;
  36 import java.util.logging.Level;
  37 import java.util.logging.Logger;
  38
  39 import net.pterodactylus.fcp.AddPeer;
  40 import net.pterodactylus.fcp.AllData;
  41 import net.pterodactylus.fcp.ClientGet;
  42 import net.pterodactylus.fcp.ClientHello;
  43 import net.pterodactylus.fcp.CloseConnectionDuplicateClientName;
  44 import net.pterodactylus.fcp.ConfigData;
  45 import net.pterodactylus.fcp.DataFound;
  46 import net.pterodactylus.fcp.EndListPeerNotes;
  47 import net.pterodactylus.fcp.EndListPeers;
  48 import net.pterodactylus.fcp.EndListPersistentRequests;
  49 import net.pterodactylus.fcp.FCPPluginReply;
  50 import net.pterodactylus.fcp.FcpConnection;
  51 import net.pterodactylus.fcp.FcpListener;
  52 import net.pterodactylus.fcp.FcpMessage;
  53 import net.pterodactylus.fcp.FcpUtils;
  54 import net.pterodactylus.fcp.FinishedCompression;
  55 import net.pterodactylus.fcp.GenerateSSK;
  56 import net.pterodactylus.fcp.GetFailed;
  57 import net.pterodactylus.fcp.IdentifierCollision;
  58 import net.pterodactylus.fcp.ListPeers;
  59 import net.pterodactylus.fcp.ListPersistentRequests;
  60 import net.pterodactylus.fcp.NodeData;
  61 import net.pterodactylus.fcp.NodeHello;
  62 import net.pterodactylus.fcp.NodeRef;
  63 import net.pterodactylus.fcp.Peer;
  64 import net.pterodactylus.fcp.PeerNote;
  65 import net.pterodactylus.fcp.PeerRemoved;
  66 import net.pterodactylus.fcp.PersistentGet;
  67 import net.pterodactylus.fcp.PersistentPut;
  68 import net.pterodactylus.fcp.PersistentPutDir;
  69 import net.pterodactylus.fcp.PersistentRequestModified;
  70 import net.pterodactylus.fcp.PersistentRequestRemoved;
  71 import net.pterodactylus.fcp.PluginInfo;
  72 import net.pterodactylus.fcp.ProtocolError;
  73 import net.pterodactylus.fcp.PutFailed;
  74 import net.pterodactylus.fcp.PutFetchable;
  75 import net.pterodactylus.fcp.PutSuccessful;
  76 import net.pterodactylus.fcp.ReturnType;
  77 import net.pterodactylus.fcp.SSKKeypair;
  78 import net.pterodactylus.fcp.SimpleProgress;
  79 import net.pterodactylus.fcp.StartedCompression;
  80 import net.pterodactylus.fcp.SubscribedUSKUpdate;
  81 import net.pterodactylus.fcp.TestDDAComplete;
  82 import net.pterodactylus.fcp.TestDDAReply;
  83 import net.pterodactylus.fcp.TestDDARequest;
  84 import net.pterodactylus.fcp.TestDDAResponse;
  85 import net.pterodactylus.fcp.URIGenerated;
  86 import net.pterodactylus.fcp.UnknownNodeIdentifier;
  87 import net.pterodactylus.fcp.UnknownPeerNoteType;
  88 import net.pterodactylus.fcp.WatchGlobal;
  89
  90 /**
  91  * A high-level client that allows simple yet full-featured access to a Freenet
  92  * node.
  93  *
  94  * @author David ‘Bombe’ Roden &lt;bombe@freenetproject.org&gt;
  95  */
  96 public class HighLevelClient {
  97
  98         /** Logger. */
  99         private static final Logger logger = Logger.getLogger(HighLevelClient.class.getName());
 100
 101         /** Object for internal synchronization. */
 102         private final Object syncObject = new Object();
 103
 104         /** The name of the client. */
 105         private final String clientName;
 106
 107         /** The FCP connection to the node. */
 108         private FcpConnection fcpConnection = null;
 109
 110         /** Listeners for high-level client events. */
 111         private List<HighLevelClientListener> highLevelClientListeners = Collections.synchronizedList(new ArrayList<HighLevelClientListener>());
 112
 113         /** The listener for the connection. */
 114         private HighLevelClientFcpListener highLevelClientFcpListener = new HighLevelClientFcpListener();
 115
 116         /** The listeners for progress events. */
 117         private List<HighLevelProgressListener> highLevelProgressListeners = Collections.synchronizedList(new ArrayList<HighLevelProgressListener>());
 118
 119         /** The callback for {@link #connect(String)}. */
 120         private HighLevelCallback<ConnectResult> connectCallback;
 121
 122         /** Mapping from request identifiers to callbacks. */
 123         private Map<String, HighLevelCallback<KeyGenerationResult>> keyGenerationCallbacks = Collections.synchronizedMap(new HashMap<String, HighLevelCallback<KeyGenerationResult>>());
 124
 125         /** Mapping from request identifier to peer list callbacks. */
 126         private Map<String, HighLevelCallback<PeerListResult>> peerListCallbacks = Collections.synchronizedMap(new HashMap<String, HighLevelCallback<PeerListResult>>());
 127
 128         /** Mapping from request identifier to peer callbacks. */
 129         private Map<String, HighLevelCallback<PeerResult>> peerCallbacks = Collections.synchronizedMap(new HashMap<String, HighLevelCallback<PeerResult>>());
 130
 131         /** Mapping from directories to DDA callbacks. */
 132         private Map<String, HighLevelCallback<DirectDiskAccessResult>> directDiskAccessCallbacks = Collections.synchronizedMap(new HashMap<String, HighLevelCallback<DirectDiskAccessResult>>());
 133
 134         /** Mapping from request identifiers to download callbacks. */
 135         private Map<String, HighLevelProgressCallback<DownloadResult>> downloadCallbacks = Collections.synchronizedMap(new HashMap<String, HighLevelProgressCallback<DownloadResult>>());
 136
 137         /** The callback for {@link #getRequests()}. */
 138         private HighLevelCallback<RequestListResult> requestListCallback;
 139
 140         /**
 141          * Creates a new high-level client that connects to a node on
 142          * <code>localhost</code>.
 143          *
 144          * @param clientName
 145          *            The name of the client
 146          */
 147         public HighLevelClient(String clientName) {
 148                 this.clientName = clientName;
 149         }
 150
 151         //
 152         // EVENT MANAGEMENT
 153         //
 154
 155         /**
 156          * Adds the given high-level client listener to list of listeners.
 157          *
 158          * @param highLevelClientListener
 159          *            The listener to add
 160          */
 161         public void addHighLevelClientListener(HighLevelClientListener highLevelClientListener) {
 162                 highLevelClientListeners.add(highLevelClientListener);
 163         }
 164
 165         /**
 166          * Removes the given high-level client listener from the list of listeners.
 167          *
 168          * @param highLevelClientListener
 169          *            The listener to remove
 170          */
 171         public void removeHighLevelClientListener(HighLevelClientListener highLevelClientListener) {
 172                 highLevelClientListeners.remove(highLevelClientListener);
 173         }
 174
 175         /**
 176          * Notifies all listeners that a client has connected.
 177          */
 178         private void fireClientConnected() {
 179                 for (HighLevelClientListener highLevelClientListener : highLevelClientListeners) {
 180                         highLevelClientListener.clientConnected(this);
 181                 }
 182         }
 183
 184         /**
 185          * Notifies all listeners that a client has disconnected.
 186          *
 187          * @param throwable
 188          *            The exception that caused the disconnect, or <code>null</code>
 189          *            if there was no exception
 190          */
 191         private void fireClientDisconnected(Throwable throwable) {
 192                 for (HighLevelClientListener highLevelClientListener : highLevelClientListeners) {
 193                         highLevelClientListener.clientDisconnected(this, throwable);
 194                 }
 195         }
 196
 197         /**
 198          * Adds a high-level progress listener.
 199          *
 200          * @param highLevelProgressListener
 201          *            The high-level progress listener to add
 202          */
 203         public void addHighLevelProgressListener(HighLevelProgressListener highLevelProgressListener) {
 204                 highLevelProgressListeners.add(highLevelProgressListener);
 205         }
 206
 207         /**
 208          * Removes a high-level progress listener.
 209          *
 210          * @param highLevelProgressListener
 211          *            The high-level progress listener to remove
 212          */
 213         public void removeHighLevelProgressListener(HighLevelProgressListener highLevelProgressListener) {
 214                 highLevelProgressListeners.remove(highLevelProgressListener);
 215         }
 216
 217         /**
 218          * Notifies all listeners that the request with the given identifier made
 219          * some progress.
 220          *
 221          * @param identifier
 222          *            The identifier of the request
 223          * @param highLevelProgress
 224          *            The progress of the request
 225          */
 226         private void fireProgressReceived(String identifier, HighLevelProgress highLevelProgress) {
 227                 for (HighLevelProgressListener highLevelProgressListener : highLevelProgressListeners) {
 228                         highLevelProgressListener.progressReceived(this, identifier, highLevelProgress);
 229                 }
 230         }
 231
 232         //
 233         // ACCESSORS
 234         //
 235
 236         /**
 237          * Returns the FCP connection that backs this high-level client. This method
 238          * should be used with care as fiddling around with the FCP connection can
 239          * easily break the high-level client if you don’t know what you’re doing!
 240          *
 241          * @return The FCP connection of this client
 242          */
 243         public FcpConnection getFcpConnection() {
 244                 return fcpConnection;
 245         }
 246
 247         /**
 248          * Returns whether the node is connected.
 249          *
 250          * @return <code>true</code> if the node is currently connected,
 251          *         <code>false</code> otherwise
 252          */
 253         public boolean isConnected() {
 254                 return fcpConnection != null;
 255         }
 256
 257         //
 258         // ACTIONS
 259         //
 260
 261         /**
 262          * Connects the client.
 263          *
 264          * @param hostname
 265          *            The hostname of the node
 266          * @return A callback with a connection result
 267          * @throws UnknownHostException
 268          *             if the hostname can not be resolved
 269          * @throws IOException
 270          *             if an I/O error occurs communicating with the node
 271          */
 272         public HighLevelCallback<ConnectResult> connect(String hostname) throws UnknownHostException, IOException {
 273                 return connect(hostname, 9481);
 274         }
 275
 276         /**
 277          * Connects the client.
 278          *
 279          * @param hostname
 280          *            The hostname of the node
 281          * @param port
 282          *            The port number of the node
 283          * @return A callback with a connection result
 284          * @throws UnknownHostException
 285          *             if the hostname can not be resolved
 286          * @throws IOException
 287          *             if an I/O error occurs communicating with the node
 288          */
 289         public HighLevelCallback<ConnectResult> connect(String hostname, int port) throws UnknownHostException, IOException {
 290                 return connect(InetAddress.getByName(hostname), port);
 291         }
 292
 293         /**
 294          * Connects the client.
 295          *
 296          * @param address
 297          *            The address of the node
 298          * @param port
 299          *            The port number of the node
 300          * @return A callback with a connection result
 301          * @throws IOException
 302          *             if an I/O error occurs communicating with the node
 303          */
 304         public HighLevelCallback<ConnectResult> connect(InetAddress address, int port) throws IOException {
 305                 try {
 306                         synchronized (this) {
 307                                 fcpConnection = new FcpConnection(address, port);
 308                         }
 309                         fcpConnection.addFcpListener(highLevelClientFcpListener);
 310                         fcpConnection.connect();
 311                         ClientHello clientHello = new ClientHello(clientName);
 312                         connectCallback = new HighLevelCallback<ConnectResult>(new ConnectResult());
 313                         fcpConnection.sendMessage(clientHello);
 314                         return connectCallback;
 315                 } catch (IOException ioe1) {
 316                         fcpConnection = null;
 317                         throw ioe1;
 318                 }
 319         }
 320
 321         /**
 322          * Disconnects the client from the node.
 323          */
 324         public void disconnect() {
 325                 disconnect(null);
 326         }
 327
 328         /**
 329          * Generates a new SSK keypair.
 330          *
 331          * @return A callback with the keypair
 332          * @throws IOException
 333          *             if an I/O error occurs communicating with the node
 334          * @throws HighLevelException
 335          *             if the client is not connected
 336          */
 337         public HighLevelCallback<KeyGenerationResult> generateKey() throws IOException, HighLevelException {
 338                 checkConnection();
 339                 String identifier = generateIdentifier("generateSSK");
 340                 GenerateSSK generateSSK = new GenerateSSK(identifier);
 341                 HighLevelCallback<KeyGenerationResult> keyGenerationCallback = new HighLevelCallback<KeyGenerationResult>(new KeyGenerationResult(identifier));
 342                 keyGenerationCallbacks.put(identifier, keyGenerationCallback);
 343                 fcpConnection.sendMessage(generateSSK);
 344                 return keyGenerationCallback;
 345         }
 346
 347         /**
 348          * Sets whether to watch the global queue.
 349          *
 350          * @param enabled
 351          *            <code>true</code> to watch the global queue in addition to the
 352          *            client-local queue, <code>false</code> to only watch the
 353          *            client-local queue
 354          * @throws IOException
 355          *             if an I/O error occurs communicating with the node
 356          * @throws HighLevelException
 357          *             if the client is not connected
 358          */
 359         public void setWatchGlobal(boolean enabled) throws IOException, HighLevelException {
 360                 checkConnection();
 361                 WatchGlobal watchGlobal = new WatchGlobal(enabled);
 362                 fcpConnection.sendMessage(watchGlobal);
 363         }
 364
 365         /**
 366          * Gets a list of all peers from the node.
 367          *
 368          * @return A callback with the peer list
 369          * @throws IOException
 370          *             if an I/O error occurs with the node
 371          * @throws HighLevelException
 372          *             if the client is not connected
 373          */
 374         public HighLevelCallback<PeerListResult> getPeers() throws IOException, HighLevelException {
 375                 checkConnection();
 376                 String identifier = generateIdentifier("listPeers");
 377                 ListPeers listPeers = new ListPeers(identifier, true, true);
 378                 HighLevelCallback<PeerListResult> peerListCallback = new HighLevelCallback<PeerListResult>(new PeerListResult(identifier));
 379                 peerListCallbacks.put(identifier, peerListCallback);
 380                 fcpConnection.sendMessage(listPeers);
 381                 return peerListCallback;
 382         }
 383
 384         /**
 385          * Adds the peer whose noderef is stored in the given file.
 386          *
 387          * @param nodeRefFile
 388          *            The name of the file the peer’s noderef is stored in
 389          * @return A peer callback
 390          * @throws IOException
 391          *             if an I/O error occurs communicating with the node
 392          * @throws HighLevelException
 393          *             if the client is not connected
 394          */
 395         public HighLevelCallback<PeerResult> addPeer(String nodeRefFile) throws IOException, HighLevelException {
 396                 checkConnection();
 397                 String identifier = generateIdentifier("addPeer");
 398                 AddPeer addPeer = new AddPeer(nodeRefFile);
 399                 HighLevelCallback<PeerResult> peerCallback = new HighLevelCallback<PeerResult>(new PeerResult(identifier));
 400                 peerCallbacks.put(identifier, peerCallback);
 401                 fcpConnection.sendMessage(addPeer);
 402                 return peerCallback;
 403         }
 404
 405         /**
 406          * Adds the peer whose noderef is stored in the given file.
 407          *
 408          * @param nodeRefURL
 409          *            The URL where the peer’s noderef is stored
 410          * @return A peer callback
 411          * @throws IOException
 412          *             if an I/O error occurs communicating with the node
 413          * @throws HighLevelException
 414          *             if the client is not connected
 415          */
 416         public HighLevelCallback<PeerResult> addPeer(URL nodeRefURL) throws IOException, HighLevelException {
 417                 checkConnection();
 418                 String identifier = generateIdentifier("addPeer");
 419                 AddPeer addPeer = new AddPeer(nodeRefURL);
 420                 HighLevelCallback<PeerResult> peerCallback = new HighLevelCallback<PeerResult>(new PeerResult(identifier));
 421                 peerCallbacks.put(identifier, peerCallback);
 422                 fcpConnection.sendMessage(addPeer);
 423                 return peerCallback;
 424         }
 425
 426         /**
 427          * Adds the peer whose noderef is stored in the given file.
 428          *
 429          * @param nodeRef
 430          *            The peer’s noderef
 431          * @return A peer callback
 432          * @throws IOException
 433          *             if an I/O error occurs communicating with the node
 434          * @throws HighLevelException
 435          *             if the client is not connected
 436          */
 437         public HighLevelCallback<PeerResult> addPeer(NodeRef nodeRef) throws IOException, HighLevelException {
 438                 checkConnection();
 439                 String identifier = generateIdentifier("addPeer");
 440                 AddPeer addPeer = new AddPeer(nodeRef);
 441                 HighLevelCallback<PeerResult> peerCallback = new HighLevelCallback<PeerResult>(new PeerResult(identifier));
 442                 peerCallbacks.put(identifier, peerCallback);
 443                 fcpConnection.sendMessage(addPeer);
 444                 return peerCallback;
 445         }
 446
 447         /**
 448          * Checks whether direct disk access for the given directory is possible.
 449          * You have to perform this check before you can upload or download anything
 450          * from or the disk directly!
 451          *
 452          * @param directory
 453          *            The directory to check
 454          * @param wantRead
 455          *            Whether you want to read the given directory
 456          * @param wantWrite
 457          *            Whether you want to write to the given directory
 458          * @return A direct disk access callback
 459          * @throws IOException
 460          *             if an I/O error occurs communicating with the node
 461          * @throws HighLevelException
 462          *             if the client is not connected
 463          */
 464         public HighLevelCallback<DirectDiskAccessResult> checkDirectDiskAccess(String directory, boolean wantRead, boolean wantWrite) throws IOException, HighLevelException {
 465                 checkConnection();
 466                 TestDDARequest testDDARequest = new TestDDARequest(directory, wantRead, wantWrite);
 467                 HighLevelCallback<DirectDiskAccessResult> directDiskAccessCallback = new HighLevelCallback<DirectDiskAccessResult>(new DirectDiskAccessResult(directory));
 468                 directDiskAccessCallbacks.put(directory, directDiskAccessCallback);
 469                 fcpConnection.sendMessage(testDDARequest);
 470                 return directDiskAccessCallback;
 471         }
 472
 473         /**
 474          * Starts a download. Files can either be download to disk or streamed from
 475          * the node. When downloading to disk you have to perform a direct disk
 476          * access check for the directory you want to put the downloaded file in!
 477          *
 478          * @see #checkDirectDiskAccess(String, boolean, boolean)
 479          * @param uri
 480          *            The URI to get
 481          * @param filename
 482          *            The filename to save the data to, or <code>null</code> to
 483          *            retrieve the data as InputStream from the
 484          *            {@link DownloadResult}
 485          * @param global
 486          *            Whether to put the download on the global queue
 487          * @return A download result
 488          * @throws IOException
 489          *             if an I/O error occurs communicating with the node
 490          * @throws HighLevelException
 491          *             if the client is not connected
 492          */
 493         public HighLevelProgressCallback<DownloadResult> download(String uri, String filename, boolean global) throws IOException, HighLevelException {
 494                 checkConnection();
 495                 String identifier = generateIdentifier("download");
 496                 ClientGet clientGet = new ClientGet(uri, identifier, (filename == null) ? ReturnType.direct : ReturnType.disk);
 497                 clientGet.setGlobal(global);
 498                 HighLevelProgressCallback<DownloadResult> downloadCallback = new HighLevelProgressCallback<DownloadResult>(new DownloadResult(identifier));
 499                 downloadCallbacks.put(identifier, downloadCallback);
 500                 fcpConnection.sendMessage(clientGet);
 501                 return downloadCallback;
 502         }
 503
 504         /**
 505          * Requests a list of all running requests from the node.
 506          *
 507          * @return The request list result
 508          * @throws IOException
 509          *             if an I/O errors communicating with the node
 510          * @throws HighLevelException
 511          *             if the client is not connected
 512          */
 513         public HighLevelCallback<RequestListResult> getRequests() throws IOException, HighLevelException {
 514                 checkConnection();
 515                 String identifier = generateIdentifier("list-persistent-requests");
 516                 ListPersistentRequests listPersistentRequests = new ListPersistentRequests();
 517                 synchronized (syncObject) {
 518                         if (requestListCallback != null) {
 519                                 logger.log(Level.SEVERE, "getRequests() called with request still running!");
 520                         }
 521                         requestListCallback = new HighLevelCallback<RequestListResult>(new RequestListResult(identifier));
 522                 }
 523                 fcpConnection.sendMessage(listPersistentRequests);
 524                 return requestListCallback;
 525         }
 526
 527         //
 528         // PRIVATE METHODS
 529         //
 530
 531         /**
 532          * Checks whether the client is already connected and throws an exception if
 533          * it is not.
 534          *
 535          * @throws NotConnectedException
 536          *             if the client is not connected
 537          */
 538         private void checkConnection() throws NotConnectedException {
 539                 synchronized (this) {
 540                         if (fcpConnection == null) {
 541                                 throw new NotConnectedException("client is not connected");
 542                         }
 543                 }
 544         }
 545
 546         /**
 547          * Generates an identifier for the given function.
 548          *
 549          * @param function
 550          *            The name of the function
 551          * @return An identifier
 552          */
 553         private String generateIdentifier(String function) {
 554                 return "jFCPlib-" + function + "-" + System.currentTimeMillis();
 555         }
 556
 557         /**
 558          * Disconnects the client from the node, handing the given Throwable to
 559          * {@link #fireClientDisconnected(Throwable)}.
 560          *
 561          * @param throwable
 562          *            The exception that caused the disconnect, or <code>null</code>
 563          *            if there was no exception
 564          */
 565         private void disconnect(Throwable throwable) {
 566                 if (fcpConnection != null) {
 567                         fcpConnection.close();
 568                 }
 569                 fcpConnection = null;
 570         }
 571
 572         /**
 573          * FCP listener for {@link HighLevelClient}.
 574          *
 575          * @author David ‘Bombe’ Roden &lt;bombe@freenetproject.org&gt;
 576          */
 577         private class HighLevelClientFcpListener implements FcpListener {
 578
 579                 /** Mapping from directory to written file (for cleanup). */
 580                 private final Map<DirectDiskAccessResult, String> writtenFiles = new HashMap<DirectDiskAccessResult, String>();
 581
 582                 /**
 583                  * Creates a new FCP listener for {@link HighLevelClient}.
 584                  */
 585                 HighLevelClientFcpListener() {
 586                         /* do nothing. */
 587                 }
 588
 589                 //
 590                 // PRIVATE METHODS
 591                 //
 592
 593                 /**
 594                  * Searches all callback collections for a callback with the given
 595                  * identifier and cancels it.
 596                  *
 597                  * @param identifier
 598                  *            The identifier to search for, or <code>null</code> to
 599                  *            cancel all pending requests
 600                  */
 601                 @SuppressWarnings("synthetic-access")
 602                 private void cancelIdentifier(String identifier) {
 603                         synchronized (syncObject) {
 604                                 if (connectCallback != null) {
 605                                         connectCallback.getIntermediaryResult().setFailed(true);
 606                                         connectCallback.setDone();
 607                                         connectCallback = null;
 608                                 }
 609                                 if (requestListCallback != null) {
 610                                         requestListCallback.getIntermediaryResult().setFailed(true);
 611                                         requestListCallback.setDone();
 612                                         requestListCallback = null;
 613                                 }
 614                         }
 615                         if (identifier == null) {
 616                                 /* key generation callbacks */
 617                                 for (Entry<String, HighLevelCallback<KeyGenerationResult>> keyGenerationEntry : keyGenerationCallbacks.entrySet()) {
 618                                         keyGenerationEntry.getValue().getIntermediaryResult().setFailed(true);
 619                                         keyGenerationEntry.getValue().setDone();
 620                                 }
 621                                 keyGenerationCallbacks.clear();
 622                                 /* peer list callbacks. */
 623                                 for (Entry<String, HighLevelCallback<PeerListResult>> peerListEntry : peerListCallbacks.entrySet()) {
 624                                         peerListEntry.getValue().getIntermediaryResult().setFailed(true);
 625                                         peerListEntry.getValue().setDone();
 626                                 }
 627                                 peerListCallbacks.clear();
 628                                 /* peer callbacks. */
 629                                 for (Entry<String, HighLevelCallback<PeerResult>> peerEntry : peerCallbacks.entrySet()) {
 630                                         peerEntry.getValue().getIntermediaryResult().setFailed(true);
 631                                         peerEntry.getValue().setDone();
 632                                 }
 633                                 peerCallbacks.clear();
 634                                 /* direct disk access callbacks. */
 635                                 for (Entry<String, HighLevelCallback<DirectDiskAccessResult>> directDiskAccessEntry : directDiskAccessCallbacks.entrySet()) {
 636                                         directDiskAccessEntry.getValue().getIntermediaryResult().setFailed(true);
 637                                         directDiskAccessEntry.getValue().setDone();
 638                                 }
 639                                 directDiskAccessCallbacks.clear();
 640                                 /* download callbacks. */
 641                                 for (Entry<String, HighLevelProgressCallback<DownloadResult>> downloadEntry : downloadCallbacks.entrySet()) {
 642                                         downloadEntry.getValue().getIntermediaryResult().setFailed(true);
 643                                         downloadEntry.getValue().setDone();
 644                                 }
 645                                 downloadCallbacks.clear();
 646                         } else {
 647                                 HighLevelCallback<KeyGenerationResult> keyGenerationCallback = keyGenerationCallbacks.remove(identifier);
 648                                 if (keyGenerationCallback != null) {
 649                                         keyGenerationCallback.getIntermediaryResult().setFailed(true);
 650                                         keyGenerationCallback.setDone();
 651                                         return;
 652                                 }
 653                                 HighLevelCallback<PeerListResult> peerListCallback = peerListCallbacks.remove(identifier);
 654                                 if (peerListCallback != null) {
 655                                         peerListCallback.getIntermediaryResult().setFailed(true);
 656                                         peerListCallback.setDone();
 657                                         return;
 658                                 }
 659                                 HighLevelCallback<PeerResult> peerCallback = peerCallbacks.remove(identifier);
 660                                 if (peerCallback != null) {
 661                                         peerCallback.getIntermediaryResult().setFailed(true);
 662                                         peerCallback.setDone();
 663                                         return;
 664                                 }
 665                                 HighLevelCallback<DirectDiskAccessResult> directDiskAccessCallback = directDiskAccessCallbacks.remove(identifier);
 666                                 if (directDiskAccessCallback != null) {
 667                                         directDiskAccessCallback.getIntermediaryResult().setFailed(true);
 668                                         directDiskAccessCallback.setDone();
 669                                         return;
 670                                 }
 671                                 HighLevelProgressCallback<DownloadResult> downloadCallback = downloadCallbacks.remove(identifier);
 672                                 if (downloadCallback != null) {
 673                                         downloadCallback.getIntermediaryResult().setFailed(true);
 674                                         downloadCallback.setDone();
 675                                         return;
 676                                 }
 677                         }
 678                 }
 679
 680                 /**
 681                  * Reads the given file and returns the first line of the file.
 682                  *
 683                  * @param readFilename
 684                  *            The name of the file to read
 685                  * @return The content of the file
 686                  */
 687                 private String readContent(String readFilename) {
 688                         FileReader fileReader = null;
 689                         BufferedReader bufferedFileReader = null;
 690                         try {
 691                                 fileReader = new FileReader(readFilename);
 692                                 bufferedFileReader = new BufferedReader(fileReader);
 693                                 String content = bufferedFileReader.readLine();
 694                                 return content;
 695                         } catch (IOException ioe1) {
 696                                 /* swallow. */
 697                         } finally {
 698                                 FcpUtils.close(bufferedFileReader);
 699                                 FcpUtils.close(fileReader);
 700                         }
 701                         return null;
 702                 }
 703
 704                 /**
 705                  * Writes the given content to the given file.
 706                  *
 707                  * @param directDiskAccessResult
 708                  *            The DDA result
 709                  * @param writeFilename
 710                  *            The name of the file to write to
 711                  * @param writeContent
 712                  *            The content to write to the file
 713                  */
 714                 private void writeContent(DirectDiskAccessResult directDiskAccessResult, String writeFilename, String writeContent) {
 715                         if ((writeFilename == null) || (writeContent == null)) {
 716                                 return;
 717                         }
 718                         writtenFiles.put(directDiskAccessResult, writeFilename);
 719                         FileWriter fileWriter = null;
 720                         try {
 721                                 fileWriter = new FileWriter(writeFilename);
 722                                 fileWriter.write(writeContent);
 723                         } catch (IOException ioe1) {
 724                                 /* swallow. */
 725                         } finally {
 726                                 FcpUtils.close(fileWriter);
 727                         }
 728                 }
 729
 730                 /**
 731                  * Cleans up any files that written for the given result.
 732                  *
 733                  * @param directDiskAccessResult
 734                  *            The direct disk access result
 735                  */
 736                 @SuppressWarnings("synthetic-access")
 737                 private void cleanFiles(DirectDiskAccessResult directDiskAccessResult) {
 738                         String writeFilename = writtenFiles.remove(directDiskAccessResult);
 739                         if (writeFilename != null) {
 740                                 if (!new File(writeFilename).delete()) {
 741                                         logger.warning("could not delete " + writeFilename);
 742                                 }
 743                         }
 744                 }
 745
 746                 //
 747                 // INTERFACE FcpListener
 748                 //
 749
 750                 /**
 751                  * @see net.pterodactylus.fcp.FcpListener#connectionClosed(net.pterodactylus.fcp.FcpConnection,
 752                  *      Throwable)
 753                  */
 754                 @SuppressWarnings("synthetic-access")
 755                 public void connectionClosed(FcpConnection fcpConnection, Throwable throwable) {
 756                         if (fcpConnection != HighLevelClient.this.fcpConnection) {
 757                                 return;
 758                         }
 759                         cancelIdentifier(null);
 760                         disconnect(throwable);
 761                         fireClientDisconnected(throwable);
 762                 }
 763
 764                 /**
 765                  * @see net.pterodactylus.fcp.FcpListener#receivedAllData(net.pterodactylus.fcp.FcpConnection,
 766                  *      net.pterodactylus.fcp.AllData)
 767                  */
 768                 public void receivedAllData(FcpConnection fcpConnection, AllData allData) {
 769                         /* TODO */
 770                 }
 771
 772                 /**
 773                  * @see net.pterodactylus.fcp.FcpListener#receivedCloseConnectionDuplicateClientName(net.pterodactylus.fcp.FcpConnection,
 774                  *      net.pterodactylus.fcp.CloseConnectionDuplicateClientName)
 775                  */
 776                 public void receivedCloseConnectionDuplicateClientName(FcpConnection fcpConnection, CloseConnectionDuplicateClientName closeConnectionDuplicateClientName) {
 777                         /* TODO */
 778                 }
 779
 780                 /**
 781                  * @see net.pterodactylus.fcp.FcpListener#receivedConfigData(net.pterodactylus.fcp.FcpConnection,
 782                  *      net.pterodactylus.fcp.ConfigData)
 783                  */
 784                 public void receivedConfigData(FcpConnection fcpConnection, ConfigData configData) {
 785                         /* TODO */
 786                 }
 787
 788                 /**
 789                  * @see net.pterodactylus.fcp.FcpListener#receivedDataFound(net.pterodactylus.fcp.FcpConnection,
 790                  *      net.pterodactylus.fcp.DataFound)
 791                  */
 792                 @SuppressWarnings("synthetic-access")
 793                 public void receivedDataFound(FcpConnection fcpConnection, DataFound dataFound) {
 794                         if (fcpConnection != HighLevelClient.this.fcpConnection) {
 795                                 return;
 796                         }
 797                         String identifier = dataFound.getIdentifier();
 798                         HighLevelProgressCallback<DownloadResult> downloadCallback = downloadCallbacks.get(identifier);
 799                         if (downloadCallback != null) {
 800                                 DownloadResult downloadResult = downloadCallback.getIntermediaryResult();
 801                                 downloadResult.setFinished(true);
 802                                 downloadResult.setFailed(false);
 803                                 downloadCallback.progressUpdated();
 804                                 downloadCallback.setDone();
 805                         }
 806                         HighLevelProgress highLevelProgress = new HighLevelProgress(identifier, true);
 807                         fireProgressReceived(identifier, highLevelProgress);
 808                 }
 809
 810                 /**
 811                  * @see net.pterodactylus.fcp.FcpListener#receivedEndListPeerNotes(net.pterodactylus.fcp.FcpConnection,
 812                  *      net.pterodactylus.fcp.EndListPeerNotes)
 813                  */
 814                 public void receivedEndListPeerNotes(FcpConnection fcpConnection, EndListPeerNotes endListPeerNotes) {
 815                         /* TODO */
 816                 }
 817
 818                 /**
 819                  * @see net.pterodactylus.fcp.FcpListener#receivedEndListPeers(net.pterodactylus.fcp.FcpConnection,
 820                  *      net.pterodactylus.fcp.EndListPeers)
 821                  */
 822                 @SuppressWarnings("synthetic-access")
 823                 public void receivedEndListPeers(FcpConnection fcpConnection, EndListPeers endListPeers) {
 824                         if (fcpConnection != HighLevelClient.this.fcpConnection) {
 825                                 return;
 826                         }
 827                         String identifier = endListPeers.getIdentifier();
 828                         HighLevelCallback<PeerListResult> peerListCallback = peerListCallbacks.remove(identifier);
 829                         if (peerListCallback == null) {
 830                                 return;
 831                         }
 832                         peerListCallback.setDone();
 833                 }
 834
 835                 /**
 836                  * @see net.pterodactylus.fcp.FcpListener#receivedEndListPersistentRequests(net.pterodactylus.fcp.FcpConnection,
 837                  *      net.pterodactylus.fcp.EndListPersistentRequests)
 838                  */
 839                 @SuppressWarnings("synthetic-access")
 840                 public void receivedEndListPersistentRequests(FcpConnection fcpConnection, EndListPersistentRequests endListPersistentRequests) {
 841                         if (fcpConnection != HighLevelClient.this.fcpConnection) {
 842                                 return;
 843                         }
 844                         synchronized (syncObject) {
 845                                 if (HighLevelClient.this.requestListCallback == null) {
 846                                         logger.log(Level.WARNING, "got EndListPersistentRequests without running request!");
 847                                         return;
 848                                 }
 849                                 requestListCallback.setDone();
 850                                 requestListCallback = null;
 851                         }
 852                 }
 853
 854                 /**
 855                  * @see net.pterodactylus.fcp.FcpListener#receivedFCPPluginReply(net.pterodactylus.fcp.FcpConnection,
 856                  *      net.pterodactylus.fcp.FCPPluginReply)
 857                  */
 858                 public void receivedFCPPluginReply(FcpConnection fcpConnection, FCPPluginReply fcpPluginReply) {
 859                         /* TODO */
 860                 }
 861
 862                 /**
 863                  * @see net.pterodactylus.fcp.FcpListener#receivedGetFailed(net.pterodactylus.fcp.FcpConnection,
 864                  *      net.pterodactylus.fcp.GetFailed)
 865                  */
 866                 @SuppressWarnings("synthetic-access")
 867                 public void receivedGetFailed(FcpConnection fcpConnection, GetFailed getFailed) {
 868                         if (fcpConnection != HighLevelClient.this.fcpConnection) {
 869                                 return;
 870                         }
 871                         String identifier = getFailed.getIdentifier();
 872                         HighLevelProgressCallback<DownloadResult> downloadCallback = downloadCallbacks.remove(identifier);
 873                         if (downloadCallback != null) {
 874                                 DownloadResult downloadResult = downloadCallback.getIntermediaryResult();
 875                                 downloadResult.setFailed(true);
 876                                 downloadResult.setFinished(true);
 877                                 downloadCallback.setDone();
 878                                 return;
 879                         }
 880                         /* unknown identifier? */
 881                         logger.warning("unknown identifier for GetFailed: " + identifier);
 882                 }
 883
 884                 /**
 885                  * @see net.pterodactylus.fcp.FcpListener#receivedIdentifierCollision(net.pterodactylus.fcp.FcpConnection,
 886                  *      net.pterodactylus.fcp.IdentifierCollision)
 887                  */
 888                 public void receivedIdentifierCollision(FcpConnection fcpConnection, IdentifierCollision identifierCollision) {
 889                         /* TODO */
 890                 }
 891
 892                 /**
 893                  * @see net.pterodactylus.fcp.FcpListener#receivedMessage(net.pterodactylus.fcp.FcpConnection,
 894                  *      net.pterodactylus.fcp.FcpMessage)
 895                  */
 896                 public void receivedMessage(FcpConnection fcpConnection, FcpMessage fcpMessage) {
 897                         /* TODO */
 898                 }
 899
 900                 /**
 901                  * @see net.pterodactylus.fcp.FcpListener#receivedNodeData(net.pterodactylus.fcp.FcpConnection,
 902                  *      net.pterodactylus.fcp.NodeData)
 903                  */
 904                 public void receivedNodeData(FcpConnection fcpConnection, NodeData nodeData) {
 905                         /* TODO */
 906                 }
 907
 908                 /**
 909                  * @see net.pterodactylus.fcp.FcpListener#receivedNodeHello(net.pterodactylus.fcp.FcpConnection,
 910                  *      net.pterodactylus.fcp.NodeHello)
 911                  */
 912                 @SuppressWarnings("synthetic-access")
 913                 public void receivedNodeHello(FcpConnection fcpConnection, NodeHello nodeHello) {
 914                         if (fcpConnection != HighLevelClient.this.fcpConnection) {
 915                                 return;
 916                         }
 917                         synchronized (syncObject) {
 918                                 connectCallback.getIntermediaryResult().setFailed(false);
 919                                 connectCallback.setDone();
 920                                 connectCallback = null;
 921                         }
 922                         fireClientConnected();
 923                 }
 924
 925                 /**
 926                  * @see net.pterodactylus.fcp.FcpListener#receivedPeer(net.pterodactylus.fcp.FcpConnection,
 927                  *      net.pterodactylus.fcp.Peer)
 928                  */
 929                 @SuppressWarnings("synthetic-access")
 930                 public void receivedPeer(FcpConnection fcpConnection, Peer peer) {
 931                         if (fcpConnection != HighLevelClient.this.fcpConnection) {
 932                                 return;
 933                         }
 934                         String identifier = peer.getIdentifier();
 935                         if (identifier == null) {
 936                                 return;
 937                         }
 938                         HighLevelCallback<PeerListResult> peerListCallback = peerListCallbacks.get(identifier);
 939                         if (peerListCallback != null) {
 940                                 peerListCallback.getIntermediaryResult().addPeer(peer);
 941                                 return;
 942                         }
 943                         HighLevelCallback<PeerResult> peerResult = peerCallbacks.remove(identifier);
 944                         if (peerResult != null) {
 945                                 peerResult.getIntermediaryResult().setPeer(peer);
 946                                 peerResult.setDone();
 947                                 return;
 948                         }
 949                         logger.warning("got Peer message with unknown identifier: " + identifier);
 950                 }
 951
 952                 /**
 953                  * @see net.pterodactylus.fcp.FcpListener#receivedPeerNote(net.pterodactylus.fcp.FcpConnection,
 954                  *      net.pterodactylus.fcp.PeerNote)
 955                  */
 956                 public void receivedPeerNote(FcpConnection fcpConnection, PeerNote peerNote) {
 957                         /* TODO */
 958                 }
 959
 960                 /**
 961                  * @see net.pterodactylus.fcp.FcpListener#receivedPeerRemoved(net.pterodactylus.fcp.FcpConnection,
 962                  *      net.pterodactylus.fcp.PeerRemoved)
 963                  */
 964                 public void receivedPeerRemoved(FcpConnection fcpConnection, PeerRemoved peerRemoved) {
 965                         /* TODO */
 966                 }
 967
 968                 /**
 969                  * @see net.pterodactylus.fcp.FcpListener#receivedPersistentGet(net.pterodactylus.fcp.FcpConnection,
 970                  *      net.pterodactylus.fcp.PersistentGet)
 971                  */
 972                 @SuppressWarnings("synthetic-access")
 973                 public void receivedPersistentGet(FcpConnection fcpConnection, PersistentGet persistentGet) {
 974                         if (fcpConnection != HighLevelClient.this.fcpConnection) {
 975                                 return;
 976                         }
 977                         synchronized (syncObject) {
 978                                 if (requestListCallback != null) {
 979                                         RequestListResult requestListResult = requestListCallback.getIntermediaryResult();
 980                                         requestListResult.addRequestResult(new GetRequestResult(persistentGet));
 981                                         return;
 982                                 }
 983                         }
 984                         String identifier = persistentGet.getIdentifier();
 985                         if (downloadCallbacks.containsKey(identifier)) {
 986                                 /* TODO */
 987                                 return;
 988                         }
 989                 }
 990
 991                 /**
 992                  * @see net.pterodactylus.fcp.FcpListener#receivedPersistentPut(net.pterodactylus.fcp.FcpConnection,
 993                  *      net.pterodactylus.fcp.PersistentPut)
 994                  */
 995                 @SuppressWarnings("synthetic-access")
 996                 public void receivedPersistentPut(FcpConnection fcpConnection, PersistentPut persistentPut) {
 997                         if (fcpConnection != HighLevelClient.this.fcpConnection) {
 998                                 return;
 999                         }
1000                         synchronized (syncObject) {
1001                                 if (requestListCallback != null) {
1002                                         RequestListResult requestListResult = requestListCallback.getIntermediaryResult();
1003                                         requestListResult.addRequestResult(new PutRequestResult(persistentPut));
1004                                         return;
1005                                 }
1006                         }
1007                 }
1008
1009                 /**
1010                  * @see net.pterodactylus.fcp.FcpListener#receivedPersistentPutDir(net.pterodactylus.fcp.FcpConnection,
1011                  *      net.pterodactylus.fcp.PersistentPutDir)
1012                  */
1013                 @SuppressWarnings("synthetic-access")
1014                 public void receivedPersistentPutDir(FcpConnection fcpConnection, PersistentPutDir persistentPutDir) {
1015                         if (fcpConnection != HighLevelClient.this.fcpConnection) {
1016                                 return;
1017                         }
1018                         synchronized (syncObject) {
1019                                 if (requestListCallback != null) {
1020                                         RequestListResult requestListResult = requestListCallback.getIntermediaryResult();
1021                                         requestListResult.addRequestResult(new PutDirRequestResult(persistentPutDir));
1022                                         return;
1023                                 }
1024                         }
1025                 }
1026
1027                 /**
1028                  * @see net.pterodactylus.fcp.FcpListener#receivedPersistentRequestModified(net.pterodactylus.fcp.FcpConnection,
1029                  *      net.pterodactylus.fcp.PersistentRequestModified)
1030                  */
1031                 public void receivedPersistentRequestModified(FcpConnection fcpConnection, PersistentRequestModified persistentRequestModified) {
1032                         /* TODO */
1033                 }
1034
1035                 /**
1036                  * @see net.pterodactylus.fcp.FcpListener#receivedPersistentRequestRemoved(net.pterodactylus.fcp.FcpConnection,
1037                  *      net.pterodactylus.fcp.PersistentRequestRemoved)
1038                  */
1039                 public void receivedPersistentRequestRemoved(FcpConnection fcpConnection, PersistentRequestRemoved persistentRequestRemoved) {
1040                         /* TODO */
1041                 }
1042
1043                 /**
1044                  * @see net.pterodactylus.fcp.FcpListener#receivedPluginInfo(net.pterodactylus.fcp.FcpConnection,
1045                  *      net.pterodactylus.fcp.PluginInfo)
1046                  */
1047                 public void receivedPluginInfo(FcpConnection fcpConnection, PluginInfo pluginInfo) {
1048                         /* TODO */
1049                 }
1050
1051                 /**
1052                  * @see net.pterodactylus.fcp.FcpListener#receivedProtocolError(net.pterodactylus.fcp.FcpConnection,
1053                  *      net.pterodactylus.fcp.ProtocolError)
1054                  */
1055                 @SuppressWarnings("synthetic-access")
1056                 public void receivedProtocolError(FcpConnection fcpConnection, ProtocolError protocolError) {
1057                         if (fcpConnection != HighLevelClient.this.fcpConnection) {
1058                                 return;
1059                         }
1060                         String identifier = protocolError.getIdentifier();
1061                         if (identifier == null) {
1062                                 return;
1063                         }
1064                         cancelIdentifier(identifier);
1065                 }
1066
1067                 /**
1068                  * @see net.pterodactylus.fcp.FcpListener#receivedPutFailed(net.pterodactylus.fcp.FcpConnection,
1069                  *      net.pterodactylus.fcp.PutFailed)
1070                  */
1071                 @SuppressWarnings("synthetic-access")
1072                 public void receivedPutFailed(FcpConnection fcpConnection, PutFailed putFailed) {
1073                         if (fcpConnection != HighLevelClient.this.fcpConnection) {
1074                                 return;
1075                         }
1076                         String identifier = putFailed.getIdentifier();
1077                         HighLevelProgressCallback<DownloadResult> downloadCallback = downloadCallbacks.get(identifier);
1078                         if (downloadCallback != null) {
1079                                 DownloadResult downloadResult = downloadCallback.getIntermediaryResult();
1080                                 downloadResult.setFailed(true);
1081                                 downloadResult.setFinished(true);
1082                                 downloadCallback.progressUpdated();
1083                                 downloadCallback.setDone();
1084                         }
1085                         /* TODO - check inserts */
1086                         HighLevelProgress highLevelProgress = new HighLevelProgress(identifier, true);
1087                         fireProgressReceived(identifier, highLevelProgress);
1088                 }
1089
1090                 /**
1091                  * @see net.pterodactylus.fcp.FcpListener#receivedPutFetchable(net.pterodactylus.fcp.FcpConnection,
1092                  *      net.pterodactylus.fcp.PutFetchable)
1093                  */
1094                 @SuppressWarnings("synthetic-access")
1095                 public void receivedPutFetchable(FcpConnection fcpConnection, PutFetchable putFetchable) {
1096                         if (fcpConnection != HighLevelClient.this.fcpConnection) {
1097                                 return;
1098                         }
1099                         String identifier = putFetchable.getIdentifier();
1100                         /* TODO - check inserts */
1101                         HighLevelProgress highLevelProgress = new HighLevelProgress(identifier);
1102                         highLevelProgress.setFetchable(true);
1103                         fireProgressReceived(identifier, highLevelProgress);
1104                 }
1105
1106                 /**
1107                  * @see net.pterodactylus.fcp.FcpListener#receivedPutSuccessful(net.pterodactylus.fcp.FcpConnection,
1108                  *      net.pterodactylus.fcp.PutSuccessful)
1109                  */
1110                 @SuppressWarnings("synthetic-access")
1111                 public void receivedPutSuccessful(FcpConnection fcpConnection, PutSuccessful putSuccessful) {
1112                         if (fcpConnection != HighLevelClient.this.fcpConnection) {
1113                                 return;
1114                         }
1115                         String identifier = putSuccessful.getIdentifier();
1116                         HighLevelProgressCallback<DownloadResult> downloadCallback = downloadCallbacks.get(identifier);
1117                         if (downloadCallback != null) {
1118                                 DownloadResult downloadResult = downloadCallback.getIntermediaryResult();
1119                                 downloadResult.setFinished(true);
1120                                 downloadResult.setFailed(false);
1121                                 downloadCallback.progressUpdated();
1122                         }
1123                         /* TODO - check inserts */
1124                         HighLevelProgress highLevelProgress = new HighLevelProgress(identifier, true);
1125                         fireProgressReceived(identifier, highLevelProgress);
1126                 }
1127
1128                 /**
1129                  * @see net.pterodactylus.fcp.FcpListener#receivedSSKKeypair(net.pterodactylus.fcp.FcpConnection,
1130                  *      net.pterodactylus.fcp.SSKKeypair)
1131                  */
1132                 @SuppressWarnings("synthetic-access")
1133                 public void receivedSSKKeypair(FcpConnection fcpConnection, SSKKeypair sskKeypair) {
1134                         if (fcpConnection != HighLevelClient.this.fcpConnection) {
1135                                 return;
1136                         }
1137                         HighLevelCallback<KeyGenerationResult> keyGenerationCallback = keyGenerationCallbacks.remove(sskKeypair.getIdentifier());
1138                         if (keyGenerationCallback == null) {
1139                                 return;
1140                         }
1141                         KeyGenerationResult keyGenerationResult = keyGenerationCallback.getIntermediaryResult();
1142                         keyGenerationResult.setInsertURI(sskKeypair.getInsertURI());
1143                         keyGenerationResult.setRequestURI(sskKeypair.getRequestURI());
1144                         keyGenerationCallback.setDone();
1145                 }
1146
1147                 /**
1148                  * @see net.pterodactylus.fcp.FcpListener#receivedSimpleProgress(net.pterodactylus.fcp.FcpConnection,
1149                  *      net.pterodactylus.fcp.SimpleProgress)
1150                  */
1151                 @SuppressWarnings("synthetic-access")
1152                 public void receivedSimpleProgress(FcpConnection fcpConnection, SimpleProgress simpleProgress) {
1153                         if (fcpConnection != HighLevelClient.this.fcpConnection) {
1154                                 return;
1155                         }
1156                         String identifier = simpleProgress.getIdentifier();
1157                         HighLevelProgressCallback<DownloadResult> downloadCallback = downloadCallbacks.get(identifier);
1158                         if (downloadCallback != null) {
1159                                 DownloadResult downloadResult = downloadCallback.getIntermediaryResult();
1160                                 downloadResult.setTotalBlocks(simpleProgress.getTotal());
1161                                 downloadResult.setRequiredBlocks(simpleProgress.getRequired());
1162                                 downloadResult.setSuccessfulBlocks(simpleProgress.getSucceeded());
1163                                 downloadResult.setFailedBlocks(simpleProgress.getFailed());
1164                                 downloadResult.setFatallyFailedBlocks(simpleProgress.getFatallyFailed());
1165                                 downloadResult.setTotalFinalized(simpleProgress.isFinalizedTotal());
1166                                 downloadCallback.progressUpdated();
1167                         }
1168                         /* TODO - check inserts */
1169                         HighLevelProgress highLevelProgress = new HighLevelProgress(identifier, simpleProgress.getTotal(), simpleProgress.getRequired(), simpleProgress.getSucceeded(), simpleProgress.getFailed(), simpleProgress.getFatallyFailed(), simpleProgress.isFinalizedTotal());
1170                         fireProgressReceived(identifier, highLevelProgress);
1171                 }
1172
1173                 /**
1174                  * @see net.pterodactylus.fcp.FcpListener#receivedStartedCompression(net.pterodactylus.fcp.FcpConnection,
1175                  *      net.pterodactylus.fcp.StartedCompression)
1176                  */
1177                 public void receivedStartedCompression(FcpConnection fcpConnection, StartedCompression startedCompression) {
1178                         /* TODO */
1179                 }
1180
1181                 /**
1182                  * @see net.pterodactylus.fcp.FcpListener#receivedSubscribedUSKUpdate(net.pterodactylus.fcp.FcpConnection,
1183                  *      net.pterodactylus.fcp.SubscribedUSKUpdate)
1184                  */
1185                 public void receivedSubscribedUSKUpdate(FcpConnection fcpConnection, SubscribedUSKUpdate subscribedUSKUpdate) {
1186                         /* TODO */
1187                 }
1188
1189                 /**
1190                  * @see net.pterodactylus.fcp.FcpListener#receivedTestDDAComplete(net.pterodactylus.fcp.FcpConnection,
1191                  *      net.pterodactylus.fcp.TestDDAComplete)
1192                  */
1193                 @SuppressWarnings("synthetic-access")
1194                 public void receivedTestDDAComplete(FcpConnection fcpConnection, TestDDAComplete testDDAComplete) {
1195                         if (fcpConnection != HighLevelClient.this.fcpConnection) {
1196                                 return;
1197                         }
1198                         String directory = testDDAComplete.getDirectory();
1199                         if (directory == null) {
1200                                 return;
1201                         }
1202                         HighLevelCallback<DirectDiskAccessResult> directDiskAccessCallback = directDiskAccessCallbacks.remove(directory);
1203                         DirectDiskAccessResult directDiskAccessResult = directDiskAccessCallback.getIntermediaryResult();
1204                         cleanFiles(directDiskAccessResult);
1205                         directDiskAccessResult.setReadAllowed(testDDAComplete.isReadDirectoryAllowed());
1206                         directDiskAccessResult.setWriteAllowed(testDDAComplete.isWriteDirectoryAllowed());
1207                         directDiskAccessCallback.setDone();
1208                 }
1209
1210                 /**
1211                  * @see net.pterodactylus.fcp.FcpListener#receivedTestDDAReply(net.pterodactylus.fcp.FcpConnection,
1212                  *      net.pterodactylus.fcp.TestDDAReply)
1213                  */
1214                 @SuppressWarnings("synthetic-access")
1215                 public void receivedTestDDAReply(FcpConnection fcpConnection, TestDDAReply testDDAReply) {
1216                         if (fcpConnection != HighLevelClient.this.fcpConnection) {
1217                                 return;
1218                         }
1219                         String directory = testDDAReply.getDirectory();
1220                         if (directory == null) {
1221                                 return;
1222                         }
1223                         DirectDiskAccessResult directDiskAccessResult = directDiskAccessCallbacks.get(directory).getIntermediaryResult();
1224                         String readFilename = testDDAReply.getReadFilename();
1225                         String readContent = readContent(readFilename);
1226                         String writeFilename = testDDAReply.getWriteFilename();
1227                         String writeContent = testDDAReply.getContentToWrite();
1228                         writeContent(directDiskAccessResult, writeFilename, writeContent);
1229                         TestDDAResponse testDDAResponse = new TestDDAResponse(directory, readContent);
1230                         try {
1231                                 fcpConnection.sendMessage(testDDAResponse);
1232                         } catch (IOException e) {
1233                                 /* swallow. I’m verry unhappy about this. */
1234                         }
1235                 }
1236
1237                 /**
1238                  * @see net.pterodactylus.fcp.FcpListener#receivedURIGenerated(net.pterodactylus.fcp.FcpConnection,
1239                  *      net.pterodactylus.fcp.URIGenerated)
1240                  */
1241                 @SuppressWarnings("synthetic-access")
1242                 public void receivedURIGenerated(FcpConnection fcpConnection, URIGenerated uriGenerated) {
1243                         if (fcpConnection != HighLevelClient.this.fcpConnection) {
1244                                 return;
1245                         }
1246                         String identifier = uriGenerated.getIdentifier();
1247                         /* TODO - check inserts */
1248                         HighLevelProgress highLevelProgress = new HighLevelProgress(identifier, uriGenerated.getURI());
1249                         fireProgressReceived(identifier, highLevelProgress);
1250                 }
1251
1252                 /**
1253                  * @see net.pterodactylus.fcp.FcpListener#receivedUnknownNodeIdentifier(net.pterodactylus.fcp.FcpConnection,
1254                  *      net.pterodactylus.fcp.UnknownNodeIdentifier)
1255                  */
1256                 public void receivedUnknownNodeIdentifier(FcpConnection fcpConnection, UnknownNodeIdentifier unknownNodeIdentifier) {
1257                         /* TODO */
1258                 }
1259
1260                 /**
1261                  * @see net.pterodactylus.fcp.FcpListener#receivedUnknownPeerNoteType(net.pterodactylus.fcp.FcpConnection,
1262                  *      net.pterodactylus.fcp.UnknownPeerNoteType)
1263                  */
1264                 public void receivedUnknownPeerNoteType(FcpConnection fcpConnection, UnknownPeerNoteType unknownPeerNoteType) {
1265                         /* TODO */
1266                 }
1267
1268                 /**
1269                  * @see net.pterodactylus.fcp.FcpListener#receviedFinishedCompression(net.pterodactylus.fcp.FcpConnection,
1270                  *      net.pterodactylus.fcp.FinishedCompression)
1271                  */
1272                 public void receviedFinishedCompression(FcpConnection fcpConnection, FinishedCompression finishedCompression) {
1273                         /* TODO */
1274                 }
1275
1276         }
1277
1278 }