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