2 * XdccDownloader - Core.java - Copyright © 2013 David Roden
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 package net.pterodactylus.xdcc.core;
20 import static java.lang.String.format;
21 import static net.pterodactylus.irc.event.ChannelNotJoined.Reason.banned;
22 import static net.pterodactylus.irc.event.ChannelNotJoined.Reason.inviteOnly;
23 import static net.pterodactylus.irc.event.ChannelNotJoined.Reason.registeredNicknamesOnly;
24 import static net.pterodactylus.irc.util.MessageCleaner.getDefaultInstance;
25 import static net.pterodactylus.xdcc.data.Channel.TO_NETWORK;
26 import static net.pterodactylus.xdcc.data.Download.FILTER_RUNNING;
29 import java.io.FileNotFoundException;
30 import java.io.FileOutputStream;
31 import java.io.IOException;
32 import java.io.OutputStream;
33 import java.util.Collection;
34 import java.util.Collections;
35 import java.util.HashSet;
36 import java.util.Iterator;
37 import java.util.List;
39 import java.util.Map.Entry;
41 import java.util.TreeMap;
42 import java.util.concurrent.TimeUnit;
43 import java.util.function.Function;
44 import java.util.stream.Collectors;
46 import net.pterodactylus.irc.Connection;
47 import net.pterodactylus.irc.ConnectionFactory;
48 import net.pterodactylus.irc.DccReceiver;
49 import net.pterodactylus.irc.DefaultConnection;
50 import net.pterodactylus.irc.event.ChannelJoined;
51 import net.pterodactylus.irc.event.ChannelLeft;
52 import net.pterodactylus.irc.event.ChannelMessageReceived;
53 import net.pterodactylus.irc.event.ChannelNotJoined;
54 import net.pterodactylus.irc.event.ClientQuit;
55 import net.pterodactylus.irc.event.ConnectionClosed;
56 import net.pterodactylus.irc.event.ConnectionEstablished;
57 import net.pterodactylus.irc.event.ConnectionFailed;
58 import net.pterodactylus.irc.event.DccAcceptReceived;
59 import net.pterodactylus.irc.event.DccDownloadFailed;
60 import net.pterodactylus.irc.event.DccDownloadFinished;
61 import net.pterodactylus.irc.event.DccSendReceived;
62 import net.pterodactylus.irc.event.KickedFromChannel;
63 import net.pterodactylus.irc.event.NicknameChanged;
64 import net.pterodactylus.irc.event.PrivateMessageReceived;
65 import net.pterodactylus.irc.event.PrivateNoticeReceived;
66 import net.pterodactylus.irc.event.ReplyReceived;
67 import net.pterodactylus.irc.util.RandomNickname;
68 import net.pterodactylus.xdcc.core.event.BotAdded;
69 import net.pterodactylus.xdcc.core.event.CoreStarted;
70 import net.pterodactylus.xdcc.core.event.DownloadFailed;
71 import net.pterodactylus.xdcc.core.event.DownloadFinished;
72 import net.pterodactylus.xdcc.core.event.DownloadStarted;
73 import net.pterodactylus.xdcc.core.event.GenericError;
74 import net.pterodactylus.xdcc.core.event.GenericMessage;
75 import net.pterodactylus.xdcc.core.event.MessageReceived;
76 import net.pterodactylus.xdcc.data.Bot;
77 import net.pterodactylus.xdcc.data.Channel;
78 import net.pterodactylus.xdcc.data.ConnectedNetwork;
79 import net.pterodactylus.xdcc.data.Download;
80 import net.pterodactylus.xdcc.data.Network;
81 import net.pterodactylus.xdcc.data.Pack;
82 import net.pterodactylus.xdcc.data.Server;
84 import com.google.common.base.Optional;
85 import com.google.common.base.Predicate;
86 import com.google.common.collect.FluentIterable;
87 import com.google.common.collect.HashBasedTable;
88 import com.google.common.collect.HashMultimap;
89 import com.google.common.collect.ImmutableList;
90 import com.google.common.collect.ImmutableSet;
91 import com.google.common.collect.Lists;
92 import com.google.common.collect.Maps;
93 import com.google.common.collect.Multimap;
94 import com.google.common.collect.Sets;
95 import com.google.common.collect.Table;
96 import com.google.common.eventbus.EventBus;
97 import com.google.common.eventbus.Subscribe;
98 import com.google.common.io.Closeables;
99 import com.google.common.util.concurrent.AbstractExecutionThreadService;
100 import com.google.inject.Inject;
101 import org.apache.log4j.Logger;
104 * The core of XDCC Downloader.
106 * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
108 public class Core extends AbstractExecutionThreadService {
111 private static final Logger logger = Logger.getLogger(Core.class.getName());
113 private final Object syncObject = new Object();
114 /** The event bus. */
115 private final EventBus eventBus;
116 private final ConnectionFactory connectionFactory;
117 private final ChannelBanManager channelBanManager =
118 new ChannelBanManager();
119 private final ConnectionBackoff connectionBackoff = new ConnectionBackoff();
121 /** The temporary directory to download files to. */
122 private final String temporaryDirectory;
124 /** The directory to move finished downloads to. */
125 private final String finalDirectory;
127 /** The channels that should be monitored. */
128 private final Collection<Channel> channels = Sets.newHashSet();
130 /** The channels that are currentlymonitored. */
131 private final Collection<Channel> joinedChannels = Sets.newHashSet();
132 private final Set<Channel> channelsBeingJoined = new HashSet<>();
134 /** The channels that are joined but not configured. */
135 private final Collection<Channel> extraChannels = Sets.newHashSet();
137 /** The current network connections. */
138 private final Map<Network, Connection> networkConnections = Collections.synchronizedMap(Maps.<Network, Connection>newHashMap());
140 /** The currently known bots. */
141 private final Table<Network, String, Bot> networkBots = HashBasedTable.create();
143 /** The current downloads. */
144 private final Multimap<String, Download> downloads = HashMultimap.create();
146 /** The current DCC receivers. */
147 private final Collection<DccReceiver> dccReceivers = Lists.newArrayList();
150 * Creates a new core.
154 * @param temporaryDirectory
155 * The directory to download files to
156 * @param finalDirectory
157 * The directory to move finished files to
160 public Core(EventBus eventBus, ConnectionFactory connectionFactory, String temporaryDirectory, String finalDirectory) {
161 this.eventBus = eventBus;
162 this.connectionFactory = connectionFactory;
163 this.temporaryDirectory = temporaryDirectory;
164 this.finalDirectory = finalDirectory;
172 * Returns all currently known connections.
174 * @return All currently known connections
176 public Collection<Connection> connections() {
177 return networkConnections.values();
181 * Returns all defined networks.
183 * @return All defined networks
185 public Collection<Network> networks() {
186 return FluentIterable.from(channels).transform(TO_NETWORK).toSet();
190 * Returns all connected networks.
192 * @return All connected networks
194 public Collection<ConnectedNetwork> connectedNetworks() {
195 return networkConnections.entrySet().stream().map((entry) -> {
196 Network network = entry.getKey();
197 Collection<Bot> bots = networkBots.row(network).values();
198 int packCount = bots.stream().mapToInt((bot) -> bot.packs().size()).reduce((a, b) -> a + b).orElse(0);
199 return new ConnectedNetwork(network, entry.getValue().hostname(),
200 entry.getValue().port(), entry.getValue().nickname(),
202 .filter((channel) -> channel.network()
205 .collect(Collectors.<String>toList()),
206 extraChannels.stream()
207 .filter((channel) -> channel.network()
210 .collect(Collectors.<String>toList()),
211 bots.size(), packCount);
212 }).collect(Collectors.<ConnectedNetwork>toList());
216 * Returns all configured channels. Due to various circumstances, configured
217 * channels might not actually be joined.
219 * @return All configured channels
221 public Collection<Channel> channels() {
222 return ImmutableSet.copyOf(channels);
226 * Returns all currently joined channels.
228 * @return All currently joined channels
230 public Collection<Channel> joinedChannels() {
231 return ImmutableSet.copyOf(joinedChannels);
235 * Returns all currently joined channels that are not configured.
237 * @return All currently joined but not configured channels
239 public Collection<Channel> extraChannels() {
240 return ImmutableSet.copyOf(extraChannels);
244 * Returns all currently known bots.
246 * @return All currently known bots
248 public Collection<Bot> bots() {
249 return networkBots.values();
253 * Returns all currently running downloads.
255 * @return All currently running downloads
257 public Collection<Download> downloads() {
258 return downloads.values();
266 * Adds a channel to monitor.
269 * The channel to monitor
271 public void addChannel(Channel channel) {
272 channels.add(channel);
276 * Fetches the given pack from the given bot.
279 * The bot to fetch the pack from
283 public void fetch(Bot bot, Pack pack) {
284 Connection connection = networkConnections.get(bot.network());
285 if (connection == null) {
289 /* check if we are already downloading the file? */
290 if (downloads.containsKey(pack.name())) {
291 Collection<Download> packDownloads = downloads.get(pack.name());
292 Collection<Download> runningDownloads = FluentIterable.from(packDownloads).filter(FILTER_RUNNING).toSet();
293 if (!runningDownloads.isEmpty()) {
294 Download download = runningDownloads.iterator().next();
295 eventBus.post(new GenericMessage(String.format("File %s is already downloading from %s (%s).", pack.name(), download.bot().name(), download.bot().network().name())));
298 StringBuilder bots = new StringBuilder();
299 for (Download download : packDownloads) {
300 if (bots.length() > 0) {
303 bots.append(download.bot().name()).append(" (").append(download.bot().network().name()).append(')');
305 eventBus.post(new GenericMessage(String.format("File %s is already requested from %d bots (%s).", pack.name(), packDownloads.size(), bots.toString())));
308 Download download = new Download(bot, pack);
309 downloads.put(pack.name(), download);
312 connection.sendMessage(bot.name(), "XDCC SEND " + pack.id());
313 } catch (IOException ioe1) {
314 logger.warn("Could not send message to bot!", ioe1);
319 * Cancels the download of the given pack from the given bot.
322 * The bot the pack is being downloaded from
324 * The pack being downloaded
326 public void cancelDownload(Bot bot, Pack pack) {
327 Optional<Download> download = getDownload(pack, bot);
328 if (!download.isPresent()) {
332 /* get connection. */
333 Connection connection = networkConnections.get(bot.network());
334 if (connection == null) {
335 /* request for unknown network? */
339 /* stop the DCC receiver. */
340 if (download.get().dccReceiver() != null) {
341 download.get().dccReceiver().stop();
343 /* remove download if it hasn’t started yet. */
344 downloads.remove(pack.name(), download.get());
347 /* remove the request from the bot, too. */
349 connection.sendMessage(bot.name(), String.format("XDCC %s", (download.get().dccReceiver() != null) ? "CANCEL" : "REMOVE"));
350 } catch (IOException ioe1) {
351 logger.warn(String.format("Could not cancel DCC from %s (%s)!", bot.name(), bot.network().name()), ioe1);
356 * Closes the given connection.
359 * The connection to close
361 public void closeConnection(Connection connection) {
364 } catch (IOException ioe1) {
370 // ABSTRACTIDLESERVICE METHODS
374 protected void startUp() {
375 for (Channel channel : channels) {
376 logger.info(String.format("Connecting to Channel %s on Network %s…", channel.name(), channel.network().name()));
377 connectNetwork(channel.network());
380 /* notify listeners. */
381 eventBus.post(new CoreStarted(this));
385 protected void run() throws Exception {
386 while (isRunning()) {
388 Set<Channel> missingChannels = new HashSet<>();
389 for (Channel channel : channels) {
390 if (joinedChannels.contains(channel) || channelsBeingJoined.contains(channel)) {
393 if (channelBanManager.isBanned(channel)) {
396 if (!networkConnections.containsKey(channel.network()) || networkConnections.get(channel.network()).established()) {
397 missingChannels.add(channel);
400 Set<Network> missingNetworks = missingChannels.stream()
401 .map(Channel::network)
403 .filter((network) -> !networkConnections.containsKey(network))
404 .collect(Collectors.toSet());
406 if (missingNetworks.isEmpty()) {
407 if (!missingChannels.isEmpty()) {
408 for (Channel missingChannel : missingChannels) {
409 Network network = missingChannel.network();
410 eventBus.post(new GenericMessage(String.format("Trying to join %s on %s...", missingChannel.name(), network)));
412 channelsBeingJoined.add(missingChannel);
413 networkConnections.get(network).joinChannel(missingChannel.name());
414 } catch (IOException ioe1) {
415 logger.warn(String.format("Could not join %s on %s!", missingChannel.name(), network.name()), ioe1);
419 synchronized (syncObject) {
421 syncObject.wait(TimeUnit.MINUTES.toMillis(1));
422 } catch (InterruptedException ie1) {
430 Map<Long, Network> timesForNextConnects = new TreeMap<>(missingNetworks.stream()
431 .collect(Collectors.toMap(connectionBackoff::getConnectionTime, Function.identity(), (network, ignore) -> network)));
433 Optional<Entry<Long, Network>> firstNetwork = Optional.fromNullable(timesForNextConnects.entrySet().stream().findFirst().orElse(null));
434 if (!firstNetwork.isPresent()) {
437 if (firstNetwork.get().getKey() > System.currentTimeMillis()) {
438 eventBus.post(new GenericMessage(String.format("Will connect to %2$s at %1$tH:%1$tM...", firstNetwork.get().getKey(), firstNetwork.get().getValue().name())));
439 synchronized (syncObject) {
441 syncObject.wait(firstNetwork.get().getKey() - System.currentTimeMillis());
442 } catch (InterruptedException ie1) {
449 if (firstNetwork.get().getKey() > System.currentTimeMillis()) {
454 connectNetwork(firstNetwork.get().getValue());
459 protected void triggerShutdown() {
460 synchronized (syncObject) {
461 syncObject.notifyAll();
470 * Starts a new connection for the given network if no such connection exists
474 * The network to connect to
476 private void connectNetwork(Network network) {
477 if (!networkConnections.containsKey(network)) {
478 /* select a random server. */
479 List<Server> servers = Lists.newArrayList(network.servers());
480 if (servers.isEmpty()) {
481 eventBus.post(new GenericError(String.format("Network %s does not have any servers.", network.name())));
484 Server server = servers.get((int) (Math.random() * servers.size()));
485 eventBus.post(new GenericMessage(String.format("Connecting to %s on %s...", network.name(), server.hostname())));
486 Connection connection = connectionFactory.createConnection(server.hostname(),
487 server.unencryptedPorts().iterator().next());
488 connection.username(RandomNickname.get()).realName(RandomNickname.get());
489 networkConnections.put(network, connection);
495 * Removes the given connection and all its channels and bots.
498 * The connection to remove
500 private void removeConnection(Connection connection) {
501 Optional<Network> network = getNetwork(connection);
502 if (!network.isPresent()) {
505 networkConnections.remove(network.get());
507 /* find all channels that need to be removed. */
508 for (Collection<Channel> channels : ImmutableList.of(joinedChannels, extraChannels)) {
509 for (Iterator<Channel> channelIterator = channels.iterator(); channelIterator.hasNext(); ) {
510 Channel joinedChannel = channelIterator.next();
511 if (!joinedChannel.network().equals(network.get())) {
515 channelIterator.remove();
519 /* now remove all bots for that network. */
520 Map<String, Bot> bots = networkBots.row(network.get());
521 int botCount = bots.size();
523 for (Bot bot : bots.values()) {
524 packCount += bot.packs().size();
527 eventBus.post(new GenericMessage(String.format("Network %s disconnected, %d bots removed, %d packs removed.", network.get().name(), botCount, packCount)));
535 * If a connection to a network has been established, the channels associated
536 * with this network are joined.
538 * @param connectionEstablished
539 * The connection established event
542 public void connectionEstablished(ConnectionEstablished connectionEstablished) {
544 /* get network for connection. */
545 Optional<Network> network = getNetwork(connectionEstablished.connection());
548 if (!network.isPresent()) {
549 eventBus.post(new GenericMessage(String.format("Connected to unknown network: %s", connectionEstablished.connection().hostname())));
553 connectionBackoff.connectionSuccessful(network.get());
554 eventBus.post(new GenericMessage(String.format("Connected to network %s.", network.get().name())));
556 /* join all channels on this network. */
557 for (Channel channel : channels) {
558 if (channel.network().equals(network.get())) {
560 eventBus.post(new GenericMessage(String.format("Trying to join %s on %s...", channel.name(), network.get().name())));
561 connectionEstablished.connection().joinChannel(channel.name());
562 } catch (IOException ioe1) {
563 logger.warn(String.format("Could not join %s on %s!", channel.name(), network.get().name()), ioe1);
570 * Remove all data stored for a network if the connection is closed.
572 * @param connectionClosed
573 * The connection closed event
576 public void connectionClosed(ConnectionClosed connectionClosed) {
577 connectionBackoff.connectionFailed(getNetwork(connectionClosed.connection()).get());
578 removeConnection(connectionClosed.connection());
579 synchronized (syncObject) {
580 syncObject.notifyAll();
582 eventBus.post(new GenericMessage(String.format("Connection closed by %s.", connectionClosed.connection().hostname())));
586 * Remove all data stored for a network if the connection fails.
588 * @param connectionFailed
589 * The connection failed event
592 public void connectionFailed(ConnectionFailed connectionFailed) {
593 connectionBackoff.connectionFailed(getNetwork(connectionFailed.connection()).get());
594 removeConnection(connectionFailed.connection());
595 synchronized (syncObject) {
596 syncObject.notifyAll();
598 eventBus.post(new GenericMessage(String.format("Could not connect to %s: %s.", connectionFailed.connection().hostname(), connectionFailed.cause())));
602 * Shows a message when a channel was joined by us.
604 * @param channelJoined
605 * The channel joined event
608 public void channelJoined(ChannelJoined channelJoined) {
609 if (channelJoined.connection().isSource(channelJoined.client())) {
610 Optional<Network> network = getNetwork(channelJoined.connection());
611 if (!network.isPresent()) {
615 Optional<Channel> channel = getChannel(network.get(), channelJoined.channel());
616 if (!channel.isPresent()) {
617 /* it’s an extra channel. */
618 extraChannels.add(new Channel(network.get(), channelJoined.channel()));
619 logger.info(String.format("Joined extra Channel %s on %s.", channelJoined.channel(), network.get().name()));
623 channelBanManager.unban(channel.get());
624 joinedChannels.add(channel.get());
625 channelsBeingJoined.remove(channel.get());
626 logger.info(String.format("Joined Channel %s on %s.", channelJoined.channel(), network.get().name()));
631 public void channelNotJoined(ChannelNotJoined channelNotJoined) {
632 Optional<Network> network = getNetwork(channelNotJoined.connection());
633 if (!network.isPresent()) {
637 Optional<Channel> channel = getChannel(network.get(), channelNotJoined.channel());
638 synchronized (syncObject) {
639 syncObject.notifyAll();
641 if (!channel.isPresent()) {
642 eventBus.post(new GenericMessage(format("Could not join %s but didn’t try to join, either.", channelNotJoined.channel())));
645 channelsBeingJoined.remove(channel.get());
648 /* remove all bots for this channel, we might have been kicked. */
649 Collection<Bot> botsToRemove = networkBots.row(network.get())
651 .filter(bot -> bot.channel()
652 .equalsIgnoreCase(channel.get().name()))
653 .collect(Collectors.toSet());
654 botsToRemove.stream()
655 .forEach(bot -> networkBots.row(network.get())
656 .remove(bot.name()));
658 channelBanManager.ban(channel.get());
659 if (channelNotJoined.reason() == registeredNicknamesOnly) {
660 eventBus.post(new GenericMessage(
661 format("%s requires nickname registration, suspending join for a day.",
663 } else if (channelNotJoined.reason() == inviteOnly) {
664 eventBus.post(new GenericMessage(
665 format("%s is invite-only, suspending join for a day.",
667 } else if (channelNotJoined.reason() == banned) {
668 eventBus.post(new GenericMessage(
669 format("Banned from %s, suspending join for a day.",
672 eventBus.post(new GenericMessage(
673 format("Could not join %s: %s", channelNotJoined.channel(),
674 channelNotJoined.reason())));
679 * Removes bots that leave a channel, or channels when it’s us that’s leaving.
682 * The channel left event
685 public void channelLeft(ChannelLeft channelLeft) {
686 Optional<Network> network = getNetwork(channelLeft.connection());
687 if (!network.isPresent()) {
691 Bot bot = networkBots.get(network.get(), channelLeft.client().nick().get());
693 /* maybe it was us? */
694 if (channelLeft.connection().isSource(channelLeft.client())) {
695 Optional<Channel> channel = getChannel(network.get(), channelLeft.channel());
696 if (!channel.isPresent()) {
697 /* maybe it was an extra channel? */
698 channel = getExtraChannel(network.get(), channelLeft.channel());
699 if (!channel.isPresent()) {
700 /* okay, whatever. */
704 extraChannels.remove(channel);
706 channels.remove(channel.get());
708 synchronized (syncObject) {
709 syncObject.notifyAll();
712 eventBus.post(new GenericMessage(String.format("Left Channel %s on %s.", channel.get().name(), channel.get().network().name())));
718 networkBots.remove(network.get(), channelLeft.client().nick().get());
722 public void kickedFromChannel(KickedFromChannel kickedFromChannel) {
723 Optional<Network> network = getNetwork(kickedFromChannel.connection());
724 if (!network.isPresent()) {
728 /* have we been kicked? */
729 if (nicknameMatchesConnection(kickedFromChannel.connection(), kickedFromChannel.kickee())) {
730 Optional<Channel> channel = getChannel(network.get(), kickedFromChannel.channel());
731 if (!channel.isPresent()) {
732 /* maybe it was an extra channel? */
733 channel = getExtraChannel(network.get(), kickedFromChannel.channel());
734 if (!channel.isPresent()) {
735 /* okay, whatever. */
739 extraChannels.remove(channel.get());
741 joinedChannels.remove(channel.get());
743 synchronized (syncObject) {
744 syncObject.notifyAll();
746 eventBus.post(new GenericMessage(format(
747 "Kicked from %s by %s: %s",
748 kickedFromChannel.channel(),
749 kickedFromChannel.kicker(),
750 kickedFromChannel.reason().or("<unknown>")
755 private boolean nicknameMatchesConnection(Connection connection, String nickname) {
756 return connection.nickname().equalsIgnoreCase(nickname);
760 * Removes a client (which may be a bot) from the table of known bots.
763 * The client quit event
766 public void clientQuit(ClientQuit clientQuit) {
767 Optional<Network> network = getNetwork(clientQuit.connection());
768 if (!network.isPresent()) {
772 networkBots.remove(network.get(), clientQuit.client().nick().get());
776 * If the nickname of a bit changes, remove it from the old name and store it
777 * under the new name.
779 * @param nicknameChanged
780 * The nickname changed event
783 public void nicknameChanged(NicknameChanged nicknameChanged) {
784 Optional<Network> network = getNetwork(nicknameChanged.connection());
785 if (!network.isPresent()) {
789 Bot bot = networkBots.remove(network.get(), nicknameChanged.client().nick().get());
794 networkBots.put(network.get(), nicknameChanged.newNickname(), bot);
798 * If a message on a channel is received, it is parsed for pack information
799 * with is then added to a bot.
801 * @param channelMessageReceived
802 * The channel message received event
805 public void channelMessageReceived(ChannelMessageReceived channelMessageReceived) {
806 String message = getDefaultInstance().clean(channelMessageReceived.message());
807 if (!message.startsWith("#")) {
808 /* most probably not a pack announcement. */
812 Optional<Network> network = getNetwork(channelMessageReceived.connection());
813 if (!network.isPresent()) {
814 /* message for unknown connection? */
818 /* parse pack information. */
819 Optional<Pack> pack = parsePack(message);
820 if (!pack.isPresent()) {
825 synchronized (networkBots) {
826 if (!networkBots.contains(network.get(), channelMessageReceived.source().nick().get())) {
827 bot = new Bot(network.get(), channelMessageReceived.channel(),
828 channelMessageReceived.source().nick().get());
829 networkBots.put(network.get(), channelMessageReceived.source().nick().get(), bot);
830 eventBus.post(new BotAdded(bot));
832 bot = networkBots.get(network.get(), channelMessageReceived.source().nick().get());
837 bot.addPack(pack.get());
838 logger.debug(String.format("Bot %s now has %d packs.", bot, bot.packs().size()));
842 * Forward all private messages to every console.
844 * @param privateMessageReceived
845 * The private message recevied event
848 public void privateMessageReceived(PrivateMessageReceived privateMessageReceived) {
849 eventBus.post(new MessageReceived(privateMessageReceived.source(), privateMessageReceived.message()));
853 * Sends a message to all console when a notice was received.
855 * @param privateNoticeReceived
856 * The notice received event
859 public void privateNoticeReceived(PrivateNoticeReceived privateNoticeReceived) {
860 Optional<Network> network = getNetwork(privateNoticeReceived.connection());
861 if (!network.isPresent()) {
865 eventBus.post(new GenericMessage(String.format("Notice from %s (%s): %s", privateNoticeReceived.source(), network.get(), privateNoticeReceived.text())));
869 * Starts a DCC download.
871 * @param dccSendReceived
875 public void dccSendReceived(final DccSendReceived dccSendReceived) {
876 final Optional<Network> network = getNetwork(dccSendReceived.connection());
877 if (!network.isPresent()) {
881 Collection<Download> packDownloads = downloads.get(dccSendReceived.filename());
882 if (packDownloads.isEmpty()) {
883 /* unknown download, ignore. */
887 /* check if it’s already downloading. */
888 Collection<Download> runningDownloads = FluentIterable.from(packDownloads).filter(FILTER_RUNNING).toSet();
889 if (!runningDownloads.isEmpty()) {
890 eventBus.post(new GenericMessage(String.format("Ignoring offer for %s, it’s already being downloaded.", dccSendReceived.filename())));
894 /* locate the correct download. */
895 Collection<Download> requestedDownload = FluentIterable.from(packDownloads).filter(new Predicate<Download>() {
898 public boolean apply(Download download) {
899 return download.bot().network().equals(network.get()) && download.bot().name().equalsIgnoreCase(dccSendReceived.source().nick().get());
903 /* we did not request this download. */
904 if (requestedDownload.isEmpty()) {
908 Download download = requestedDownload.iterator().next();
910 /* check if the file already exists. */
911 File outputFile = new File(temporaryDirectory, dccSendReceived.filename());
912 if (outputFile.exists()) {
913 long existingFileSize = outputFile.length();
915 /* file already complete? */
916 if ((dccSendReceived.filesize() > -1) && (existingFileSize >= dccSendReceived.filesize())) {
917 /* file is apparently already complete. just move it. */
918 if (outputFile.renameTo(new File(finalDirectory, download.pack().name()))) {
919 eventBus.post(new GenericMessage(String.format("File %s already downloaded.", download.pack().name())));
921 eventBus.post(new GenericMessage(String.format("File %s already downloaded but not moved to %s.", download.pack().name(), finalDirectory)));
924 /* remove download. */
925 downloads.removeAll(download.pack().name());
929 /* file not complete yet, DCC resume it. */
931 download.remoteAddress(dccSendReceived.inetAddress()).filesize(dccSendReceived.filesize());
932 dccSendReceived.connection().sendDccResume(dccSendReceived.source().nick().get(), dccSendReceived.filename(), dccSendReceived.port(), existingFileSize);
933 } catch (IOException ioe1) {
934 eventBus.post(new GenericError(String.format("Could not send DCC RESUME %s to %s (%s).", dccSendReceived.filename(), dccSendReceived.source().nick().get(), ioe1.getMessage())));
940 /* file does not exist, start the download. */
942 OutputStream fileOutputStream = new FileOutputStream(outputFile);
943 DccReceiver dccReceiver = new DccReceiver(eventBus, dccSendReceived.inetAddress(), dccSendReceived.port(), dccSendReceived.filename(), dccSendReceived.filesize(), fileOutputStream);
944 download.filename(outputFile.getPath()).outputStream(fileOutputStream).dccReceiver(dccReceiver);
945 dccReceivers.add(dccReceiver);
947 eventBus.post(new DownloadStarted(download));
948 } catch (FileNotFoundException fnfe1) {
949 eventBus.post(new GenericError(String.format("Could not start download of %s from %s (%s).", dccSendReceived.filename(), dccSendReceived.source().nick().get(), fnfe1.getMessage())));
954 public void dccAcceptReceived(final DccAcceptReceived dccAcceptReceived) {
955 final Optional<Network> network = getNetwork(dccAcceptReceived.connection());
956 if (!network.isPresent()) {
960 Collection<Download> packDownloads = downloads.get(dccAcceptReceived.filename());
961 if (packDownloads.isEmpty()) {
962 /* unknown download, ignore. */
966 /* check if it’s already downloading. */
967 Collection<Download> runningDownloads = FluentIterable.from(packDownloads).filter(FILTER_RUNNING).toSet();
968 if (!runningDownloads.isEmpty()) {
969 eventBus.post(new GenericMessage(String.format("Ignoring offer for %s, it’s already being downloaded.", dccAcceptReceived.filename())));
973 /* locate the correct download. */
974 Collection<Download> requestedDownload = FluentIterable.from(packDownloads).filter(new Predicate<Download>() {
977 public boolean apply(Download download) {
978 return download.bot().network().equals(network.get()) && download.bot().name().equalsIgnoreCase(dccAcceptReceived.source().nick().get());
982 /* we did not request this download. */
983 if (requestedDownload.isEmpty()) {
987 Download download = requestedDownload.iterator().next();
990 File outputFile = new File(temporaryDirectory, dccAcceptReceived.filename());
991 if (outputFile.length() != dccAcceptReceived.position()) {
992 eventBus.post(new GenericError(String.format("Download %s from %s does not start at the right position!")));
993 logger.warn(String.format("Download %s from %s: have %d bytes but wants to resume from %d!", dccAcceptReceived.filename(), dccAcceptReceived.source(), outputFile.length(), dccAcceptReceived.position()));
995 downloads.removeAll(download.pack().name());
998 OutputStream outputStream = new FileOutputStream(outputFile, true);
999 DccReceiver dccReceiver = new DccReceiver(eventBus, download.remoteAddress(), dccAcceptReceived.port(), dccAcceptReceived.filename(), dccAcceptReceived.position(), download.filesize(), outputStream);
1000 download.filename(outputFile.getPath()).outputStream(outputStream).dccReceiver(dccReceiver);
1001 dccReceivers.add(dccReceiver);
1002 dccReceiver.start();
1003 eventBus.post(new DownloadStarted(download));
1004 } catch (FileNotFoundException fnfe1) {
1009 * Closes the output stream of the download and moves the file to the final
1012 * @param dccDownloadFinished
1013 * The DCC download finished event
1016 public void dccDownloadFinished(DccDownloadFinished dccDownloadFinished) {
1018 /* locate the correct download. */
1019 Collection<Download> requestedDownload = FluentIterable.from(downloads.get(dccDownloadFinished.dccReceiver().filename())).filter(FILTER_RUNNING).toSet();
1020 if (requestedDownload.isEmpty()) {
1021 /* this seems wrong. */
1022 logger.warn("Download finished but could not be located.");
1025 Download download = requestedDownload.iterator().next();
1028 download.outputStream().close();
1029 File file = new File(download.filename());
1030 file.renameTo(new File(finalDirectory, download.pack().name()));
1031 eventBus.post(new DownloadFinished(download));
1032 dccReceivers.remove(dccDownloadFinished.dccReceiver());
1033 downloads.removeAll(download.pack().name());
1034 } catch (IOException ioe1) {
1035 /* TODO - handle all the errors. */
1036 logger.warn(String.format("Could not move file %s to directory %s.", download.filename(), finalDirectory), ioe1);
1041 * Closes the output stream and notifies all listeners of the failure.
1043 * @param dccDownloadFailed
1044 * The DCC download failed event
1047 public void dccDownloadFailed(DccDownloadFailed dccDownloadFailed) {
1049 /* locate the correct download. */
1050 Collection<Download> requestedDownload = FluentIterable.from(downloads.get(dccDownloadFailed.dccReceiver().filename())).filter(FILTER_RUNNING).toSet();
1051 if (requestedDownload.isEmpty()) {
1052 /* this seems wrong. */
1053 logger.warn("Download finished but could not be located.");
1056 Download download = requestedDownload.iterator().next();
1059 Closeables.close(download.outputStream(), true);
1060 eventBus.post(new DownloadFailed(download));
1061 dccReceivers.remove(dccDownloadFailed.dccReceiver());
1062 downloads.removeAll(download.pack().name());
1063 } catch (IOException ioe1) {
1064 /* swallow silently. */
1069 public void replyReceived(ReplyReceived replyReceived) {
1070 logger.trace(String.format("%s: %s", replyReceived.connection().hostname(), replyReceived.reply()));
1078 * Returns the download of the given pack from the given bot.
1081 * The pack being downloaded
1083 * The bot the pack is being downloaded from
1084 * @return The download, or {@link Optional#absent()} if the download could not
1087 private Optional<Download> getDownload(Pack pack, Bot bot) {
1088 if (!downloads.containsKey(pack.name())) {
1089 return Optional.absent();
1091 for (Download download : Lists.newArrayList(downloads.get(pack.name()))) {
1092 if (download.bot().equals(bot)) {
1093 return Optional.of(download);
1096 return Optional.absent();
1100 * Searches all current connections for the given connection, returning the
1101 * associated network.
1104 * The connection to get the network for
1105 * @return The network belonging to the connection, or {@link
1106 * Optional#absent()}
1108 private Optional<Network> getNetwork(Connection connection) {
1109 for (Entry<Network, Connection> networkConnectionEntry : networkConnections.entrySet()) {
1110 if (networkConnectionEntry.getValue().equals(connection)) {
1111 return Optional.of(networkConnectionEntry.getKey());
1114 return Optional.absent();
1118 * Returns the configured channel for the given network and name.
1121 * The network the channel is located on
1122 * @param channelName
1123 * The name of the channel
1124 * @return The configured channel, or {@link Optional#absent()} if no
1125 * configured channel matching the given network and name was found
1127 public Optional<Channel> getChannel(Network network, String channelName) {
1128 for (Channel channel : channels) {
1129 if (channel.network().equals(network) && (channel.name().equalsIgnoreCase(channelName))) {
1130 return Optional.of(channel);
1133 return Optional.absent();
1137 * Returns the extra channel for the given network and name.
1140 * The network the channel is located on
1141 * @param channelName
1142 * The name of the channel
1143 * @return The extra channel, or {@link Optional#absent()} if no extra channel
1144 * matching the given network and name was found
1146 public Optional<Channel> getExtraChannel(Network network, String channelName) {
1147 for (Channel channel : extraChannels) {
1148 if (channel.network().equals(network) && (channel.name().equalsIgnoreCase(channelName))) {
1149 return Optional.of(channel);
1152 return Optional.absent();
1156 * Parses {@link Pack} information from the given message.
1159 * The message to parse pack information from
1160 * @return The parsed pack, or {@link Optional#absent()} if the message could
1161 * not be parsed into a pack
1163 private Optional<Pack> parsePack(String message) {
1164 int squareOpen = message.indexOf('[');
1165 int squareClose = message.indexOf(']', squareOpen);
1166 if ((squareOpen == -1) && (squareClose == -1)) {
1167 return Optional.absent();
1169 String packSize = message.substring(squareOpen + 1, squareClose);
1170 String packName = message.substring(message.lastIndexOf(' ') + 1);
1171 String packIndex = message.substring(0, message.indexOf(' ')).substring(1);
1172 return Optional.of(new Pack(packIndex, packSize, packName));