package net.pterodactylus.xdcc.core;
+import static java.lang.String.format;
+import static net.pterodactylus.irc.event.ChannelNotJoined.Reason.banned;
+import static net.pterodactylus.irc.event.ChannelNotJoined.Reason.registeredNicknamesOnly;
+import static net.pterodactylus.irc.util.MessageCleaner.getDefaultInstance;
+import static net.pterodactylus.xdcc.data.Channel.TO_NETWORK;
+import static net.pterodactylus.xdcc.data.Download.FILTER_RUNNING;
+
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.OutputStream;
import java.util.Collection;
import java.util.Collections;
+import java.util.HashSet;
+import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
-import java.util.logging.Level;
-import java.util.logging.Logger;
+import java.util.Set;
+import java.util.TreeMap;
+import java.util.concurrent.TimeUnit;
+import java.util.function.Function;
+import java.util.stream.Collectors;
import net.pterodactylus.irc.Connection;
-import net.pterodactylus.irc.ConnectionBuilder;
+import net.pterodactylus.irc.ConnectionFactory;
import net.pterodactylus.irc.DccReceiver;
+import net.pterodactylus.irc.DefaultConnection;
+import net.pterodactylus.irc.event.ChannelJoined;
+import net.pterodactylus.irc.event.ChannelLeft;
import net.pterodactylus.irc.event.ChannelMessageReceived;
+import net.pterodactylus.irc.event.ChannelNotJoined;
+import net.pterodactylus.irc.event.ClientQuit;
+import net.pterodactylus.irc.event.ConnectionClosed;
import net.pterodactylus.irc.event.ConnectionEstablished;
+import net.pterodactylus.irc.event.ConnectionFailed;
+import net.pterodactylus.irc.event.DccAcceptReceived;
+import net.pterodactylus.irc.event.DccDownloadFailed;
+import net.pterodactylus.irc.event.DccDownloadFinished;
import net.pterodactylus.irc.event.DccSendReceived;
-import net.pterodactylus.irc.util.MessageCleaner;
+import net.pterodactylus.irc.event.KickedFromChannel;
+import net.pterodactylus.irc.event.NicknameChanged;
+import net.pterodactylus.irc.event.PrivateMessageReceived;
+import net.pterodactylus.irc.event.PrivateNoticeReceived;
+import net.pterodactylus.irc.event.ReplyReceived;
import net.pterodactylus.irc.util.RandomNickname;
import net.pterodactylus.xdcc.core.event.BotAdded;
import net.pterodactylus.xdcc.core.event.CoreStarted;
+import net.pterodactylus.xdcc.core.event.DownloadFailed;
+import net.pterodactylus.xdcc.core.event.DownloadFinished;
+import net.pterodactylus.xdcc.core.event.DownloadStarted;
+import net.pterodactylus.xdcc.core.event.GenericError;
+import net.pterodactylus.xdcc.core.event.GenericMessage;
+import net.pterodactylus.xdcc.core.event.MessageReceived;
import net.pterodactylus.xdcc.data.Bot;
import net.pterodactylus.xdcc.data.Channel;
+import net.pterodactylus.xdcc.data.ConnectedNetwork;
+import net.pterodactylus.xdcc.data.Download;
import net.pterodactylus.xdcc.data.Network;
import net.pterodactylus.xdcc.data.Pack;
import net.pterodactylus.xdcc.data.Server;
import com.google.common.base.Optional;
+import com.google.common.base.Predicate;
+import com.google.common.collect.FluentIterable;
import com.google.common.collect.HashBasedTable;
+import com.google.common.collect.HashMultimap;
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
+import com.google.common.collect.Multimap;
import com.google.common.collect.Sets;
import com.google.common.collect.Table;
import com.google.common.eventbus.EventBus;
import com.google.common.eventbus.Subscribe;
-import com.google.common.util.concurrent.AbstractIdleService;
+import com.google.common.io.Closeables;
+import com.google.common.util.concurrent.AbstractExecutionThreadService;
import com.google.inject.Inject;
+import org.apache.log4j.Logger;
/**
* The core of XDCC Downloader.
*
* @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
*/
-public class Core extends AbstractIdleService {
+public class Core extends AbstractExecutionThreadService {
/** The logger. */
private static final Logger logger = Logger.getLogger(Core.class.getName());
+ private final Object syncObject = new Object();
/** The event bus. */
private final EventBus eventBus;
+ private final ConnectionFactory connectionFactory;
+ private final ChannelBanManager channelBanManager =
+ new ChannelBanManager();
+ private final ConnectionBackoff connectionBackoff = new ConnectionBackoff();
+
+ /** The temporary directory to download files to. */
+ private final String temporaryDirectory;
+
+ /** The directory to move finished downloads to. */
+ private final String finalDirectory;
/** The channels that should be monitored. */
private final Collection<Channel> channels = Sets.newHashSet();
+ /** The channels that are currentlymonitored. */
+ private final Collection<Channel> joinedChannels = Sets.newHashSet();
+ private final Set<Channel> channelsBeingJoined = new HashSet<>();
+
+ /** The channels that are joined but not configured. */
+ private final Collection<Channel> extraChannels = Sets.newHashSet();
+
/** The current network connections. */
private final Map<Network, Connection> networkConnections = Collections.synchronizedMap(Maps.<Network, Connection>newHashMap());
/** The currently known bots. */
private final Table<Network, String, Bot> networkBots = HashBasedTable.create();
+ /** The current downloads. */
+ private final Multimap<String, Download> downloads = HashMultimap.create();
+
/** The current DCC receivers. */
- private final Collection<DccReceiver> dccReceivers = Sets.newHashSet();
+ private final Collection<DccReceiver> dccReceivers = Lists.newArrayList();
/**
* Creates a new core.
*
* @param eventBus
* The event bus
+ * @param temporaryDirectory
+ * The directory to download files to
+ * @param finalDirectory
+ * The directory to move finished files to
*/
@Inject
- public Core(EventBus eventBus) {
+ public Core(EventBus eventBus, ConnectionFactory connectionFactory, String temporaryDirectory, String finalDirectory) {
this.eventBus = eventBus;
+ this.connectionFactory = connectionFactory;
+ this.temporaryDirectory = temporaryDirectory;
+ this.finalDirectory = finalDirectory;
}
//
//
/**
+ * Returns all currently known connections.
+ *
+ * @return All currently known connections
+ */
+ public Collection<Connection> connections() {
+ return networkConnections.values();
+ }
+
+ /**
+ * Returns all defined networks.
+ *
+ * @return All defined networks
+ */
+ public Collection<Network> networks() {
+ return FluentIterable.from(channels).transform(TO_NETWORK).toSet();
+ }
+
+ /**
+ * Returns all connected networks.
+ *
+ * @return All connected networks
+ */
+ public Collection<ConnectedNetwork> connectedNetworks() {
+ return networkConnections.entrySet().stream().map((entry) -> {
+ Network network = entry.getKey();
+ Collection<Bot> bots = networkBots.row(network).values();
+ int packCount = bots.stream().mapToInt((bot) -> bot.packs().size()).reduce((a, b) -> a + b).orElse(0);
+ return new ConnectedNetwork(network, entry.getValue().hostname(),
+ entry.getValue().port(), entry.getValue().nickname(),
+ channels.stream()
+ .filter((channel) -> channel.network()
+ .equals(network))
+ .map(Channel::name)
+ .collect(Collectors.<String>toList()),
+ extraChannels.stream()
+ .filter((channel) -> channel.network()
+ .equals(network))
+ .map(Channel::name)
+ .collect(Collectors.<String>toList()),
+ bots.size(), packCount);
+ }).collect(Collectors.<ConnectedNetwork>toList());
+ }
+
+ /**
+ * Returns all configured channels. Due to various circumstances, configured
+ * channels might not actually be joined.
+ *
+ * @return All configured channels
+ */
+ public Collection<Channel> channels() {
+ return ImmutableSet.copyOf(channels);
+ }
+
+ /**
+ * Returns all currently joined channels.
+ *
+ * @return All currently joined channels
+ */
+ public Collection<Channel> joinedChannels() {
+ return ImmutableSet.copyOf(joinedChannels);
+ }
+
+ /**
+ * Returns all currently joined channels that are not configured.
+ *
+ * @return All currently joined but not configured channels
+ */
+ public Collection<Channel> extraChannels() {
+ return ImmutableSet.copyOf(extraChannels);
+ }
+
+ /**
* Returns all currently known bots.
*
* @return All currently known bots
}
/**
- * Returns the currently active DCC receivers.
+ * Returns all currently running downloads.
*
- * @return The currently active DCC receivers
+ * @return All currently running downloads
*/
- public Collection<DccReceiver> dccReceivers() {
- return dccReceivers;
+ public Collection<Download> downloads() {
+ return downloads.values();
}
//
return;
}
+ /* check if we are already downloading the file? */
+ if (downloads.containsKey(pack.name())) {
+ Collection<Download> packDownloads = downloads.get(pack.name());
+ Collection<Download> runningDownloads = FluentIterable.from(packDownloads).filter(FILTER_RUNNING).toSet();
+ if (!runningDownloads.isEmpty()) {
+ Download download = runningDownloads.iterator().next();
+ eventBus.post(new GenericMessage(String.format("File %s is already downloading from %s (%s).", pack.name(), download.bot().name(), download.bot().network().name())));
+ return;
+ }
+ StringBuilder bots = new StringBuilder();
+ for (Download download : packDownloads) {
+ if (bots.length() > 0) {
+ bots.append(", ");
+ }
+ bots.append(download.bot().name()).append(" (").append(download.bot().network().name()).append(')');
+ }
+ eventBus.post(new GenericMessage(String.format("File %s is already requested from %d bots (%s).", pack.name(), packDownloads.size(), bots.toString())));
+ }
+
+ Download download = new Download(bot, pack);
+ downloads.put(pack.name(), download);
+
try {
connection.sendMessage(bot.name(), "XDCC SEND " + pack.id());
} catch (IOException ioe1) {
- logger.log(Level.WARNING, "Could not send message to bot!", ioe1);
+ logger.warn("Could not send message to bot!", ioe1);
+ }
+ }
+
+ /**
+ * Cancels the download of the given pack from the given bot.
+ *
+ * @param bot
+ * The bot the pack is being downloaded from
+ * @param pack
+ * The pack being downloaded
+ */
+ public void cancelDownload(Bot bot, Pack pack) {
+ Optional<Download> download = getDownload(pack, bot);
+ if (!download.isPresent()) {
+ return;
+ }
+
+ /* get connection. */
+ Connection connection = networkConnections.get(bot.network());
+ if (connection == null) {
+ /* request for unknown network? */
+ return;
+ }
+
+ /* stop the DCC receiver. */
+ if (download.get().dccReceiver() != null) {
+ download.get().dccReceiver().stop();
+ } else {
+ /* remove download if it hasn’t started yet. */
+ downloads.remove(pack.name(), download.get());
+ }
+
+ /* remove the request from the bot, too. */
+ try {
+ connection.sendMessage(bot.name(), String.format("XDCC %s", (download.get().dccReceiver() != null) ? "CANCEL" : "REMOVE"));
+ } catch (IOException ioe1) {
+ logger.warn(String.format("Could not cancel DCC from %s (%s)!", bot.name(), bot.network().name()), ioe1);
+ }
+ }
+
+ /**
+ * Closes the given connection.
+ *
+ * @param connection
+ * The connection to close
+ */
+ public void closeConnection(Connection connection) {
+ try {
+ connection.close();
+ } catch (IOException ioe1) {
+ /* TODO */
}
}
protected void startUp() {
for (Channel channel : channels) {
logger.info(String.format("Connecting to Channel %s on Network %s…", channel.name(), channel.network().name()));
- if (!networkConnections.containsKey(channel.network())) {
- /* select a random server. */
- List<Server> servers = Lists.newArrayList(channel.network().servers());
- Server server = servers.get((int) (Math.random() * servers.size()));
- Connection connection = new ConnectionBuilder(eventBus).connect(server.hostname()).port(server.unencryptedPorts().iterator().next()).build();
- connection.username(RandomNickname.get()).realName(RandomNickname.get());
- networkConnections.put(channel.network(), connection);
- connection.start();
- }
+ connectNetwork(channel.network());
}
/* notify listeners. */
}
@Override
- protected void shutDown() {
+ protected void run() throws Exception {
+ while (isRunning()) {
+
+ Set<Channel> missingChannels = new HashSet<>();
+ for (Channel channel : channels) {
+ if (joinedChannels.contains(channel) || channelsBeingJoined.contains(channel)) {
+ continue;
+ }
+ if (channelBanManager.isBanned(channel)) {
+ continue;
+ }
+ if (networkConnections.containsKey(channel.network())) {
+ if (networkConnections.get(channel.network()).established()) {
+ missingChannels.add(channel);
+ }
+ }
+ }
+ Set<Network> missingNetworks = missingChannels.stream()
+ .map(Channel::network)
+ .distinct()
+ .filter((network) -> !networkConnections.containsKey(network))
+ .collect(Collectors.toSet());
+
+ if (!missingChannels.isEmpty()) {
+ for (Channel missingChannel : missingChannels) {
+ Network network = missingChannel.network();
+ eventBus.post(new GenericMessage(String.format("Trying to join %s on %s...", missingChannel.name(), network)));
+ try {
+ channelsBeingJoined.add(missingChannel);
+ networkConnections.get(network).joinChannel(missingChannel.name());
+ } catch (IOException ioe1) {
+ logger.warn(String.format("Could not join %s on %s!", missingChannel.name(), network.name()), ioe1);
+ }
+ }
+ } else if (missingNetworks.isEmpty()) {
+ synchronized (syncObject) {
+ try {
+ syncObject.wait(TimeUnit.MINUTES.toMillis(1));
+ } catch (InterruptedException ie1) {
+ /* ignore. */
+ }
+ }
+ continue;
+ }
+
+ Map<Long, Network> timesForNextConnects = new TreeMap<>(missingNetworks.stream()
+ .collect(Collectors.toMap(connectionBackoff::getBackoff, Function.identity(), (network, ignore) -> network)));
+
+ Entry<Long, Network> firstNetwork = timesForNextConnects.entrySet().stream().findFirst().get();
+ if (firstNetwork.getKey() > 0) {
+ eventBus.post(new GenericMessage(String.format("Waiting %d seconds to connect to %s...", TimeUnit.MILLISECONDS.toMinutes(firstNetwork.getKey()), firstNetwork.getValue().name())));
+ synchronized (syncObject) {
+ try {
+ syncObject.wait(firstNetwork.getKey());
+ } catch (InterruptedException ie1) {
+ /* ignore. */
+ }
+ }
+ if (!isRunning()) {
+ break;
+ }
+ }
+
+ connectNetwork(firstNetwork.getValue());
+ }
+ }
+
+ @Override
+ protected void triggerShutdown() {
+ synchronized (syncObject) {
+ syncObject.notifyAll();
+ }
+ }
+
+ //
+ // PRIVATE METHODS
+ //
+
+ /**
+ * Starts a new connection for the given network if no such connection exists
+ * already.
+ *
+ * @param network
+ * The network to connect to
+ */
+ private void connectNetwork(Network network) {
+ if (!networkConnections.containsKey(network)) {
+ /* select a random server. */
+ List<Server> servers = Lists.newArrayList(network.servers());
+ if (servers.isEmpty()) {
+ eventBus.post(new GenericError(String.format("Network %s does not have any servers.", network.name())));
+ return;
+ }
+ Server server = servers.get((int) (Math.random() * servers.size()));
+ Connection connection = connectionFactory.createConnection(server.hostname(),
+ server.unencryptedPorts().iterator().next());
+ connection.username(RandomNickname.get()).realName(RandomNickname.get());
+ networkConnections.put(network, connection);
+ connection.open();
+ }
+ }
+
+ /**
+ * Removes the given connection and all its channels and bots.
+ *
+ * @param connection
+ * The connection to remove
+ */
+ private void removeConnection(Connection connection) {
+ Optional<Network> network = getNetwork(connection);
+ if (!network.isPresent()) {
+ return;
+ }
+ networkConnections.remove(network.get());
+ if (!connection.established()) {
+ return;
+ }
+
+ /* find all channels that need to be removed. */
+ for (Collection<Channel> channels : ImmutableList.of(joinedChannels, extraChannels)) {
+ for (Iterator<Channel> channelIterator = channels.iterator(); channelIterator.hasNext(); ) {
+ Channel joinedChannel = channelIterator.next();
+ if (!joinedChannel.network().equals(network.get())) {
+ continue;
+ }
+
+ channelIterator.remove();
+ }
+ }
+
+ /* now remove all bots for that network. */
+ Map<String, Bot> bots = networkBots.row(network.get());
+ int botCount = bots.size();
+ int packCount = 0;
+ for (Bot bot : bots.values()) {
+ packCount += bot.packs().size();
+ }
+ bots.clear();
+ eventBus.post(new GenericMessage(String.format("Network %s disconnected, %d bots removed, %d packs removed.", network.get().name(), botCount, packCount)));
}
//
/* found network? */
if (!network.isPresent()) {
+ eventBus.post(new GenericMessage(String.format("Connected to unknown network: %s", connectionEstablished.connection().hostname())));
return;
}
+ connectionBackoff.connectionSuccessful(network.get());
+ eventBus.post(new GenericMessage(String.format("Connected to network %s.", network.get().name())));
+
/* join all channels on this network. */
for (Channel channel : channels) {
if (channel.network().equals(network.get())) {
try {
+ eventBus.post(new GenericMessage(String.format("Trying to join %s on %s...", channel.name(), network.get().name())));
connectionEstablished.connection().joinChannel(channel.name());
} catch (IOException ioe1) {
- logger.log(Level.WARNING, String.format("Could not join %s on %s!", channel.name(), network.get().name()), ioe1);
+ logger.warn(String.format("Could not join %s on %s!", channel.name(), network.get().name()), ioe1);
}
}
}
}
/**
+ * Remove all data stored for a network if the connection is closed.
+ *
+ * @param connectionClosed
+ * The connection closed event
+ */
+ @Subscribe
+ public void connectionClosed(ConnectionClosed connectionClosed) {
+ connectionBackoff.connectionFailed(getNetwork(connectionClosed.connection()).get());
+ removeConnection(connectionClosed.connection());
+ synchronized (syncObject) {
+ syncObject.notifyAll();
+ }
+ eventBus.post(new GenericMessage(String.format("Connection closed by %s.", connectionClosed.connection().hostname())));
+ }
+
+ /**
+ * Remove all data stored for a network if the connection fails.
+ *
+ * @param connectionFailed
+ * The connection failed event
+ */
+ @Subscribe
+ public void connectionFailed(ConnectionFailed connectionFailed) {
+ connectionBackoff.connectionFailed(getNetwork(connectionFailed.connection()).get());
+ removeConnection(connectionFailed.connection());
+ synchronized (syncObject) {
+ syncObject.notifyAll();
+ }
+ eventBus.post(new GenericMessage(String.format("Could not connect to %s: %s.", connectionFailed.connection().hostname(), connectionFailed.cause())));
+ }
+
+ /**
+ * Shows a message when a channel was joined by us.
+ *
+ * @param channelJoined
+ * The channel joined event
+ */
+ @Subscribe
+ public void channelJoined(ChannelJoined channelJoined) {
+ if (channelJoined.connection().isSource(channelJoined.client())) {
+ Optional<Network> network = getNetwork(channelJoined.connection());
+ if (!network.isPresent()) {
+ return;
+ }
+
+ Optional<Channel> channel = getChannel(network.get(), channelJoined.channel());
+ if (!channel.isPresent()) {
+ /* it’s an extra channel. */
+ extraChannels.add(new Channel(network.get(), channelJoined.channel()));
+ logger.info(String.format("Joined extra Channel %s on %s.", channelJoined.channel(), network.get().name()));
+ return;
+ }
+
+ channelBanManager.unban(channel.get());
+ joinedChannels.add(channel.get());
+ channelsBeingJoined.remove(channel.get());
+ logger.info(String.format("Joined Channel %s on %s.", channelJoined.channel(), network.get().name()));
+ }
+ }
+
+ @Subscribe
+ public void channelNotJoined(ChannelNotJoined channelNotJoined) {
+ Optional<Network> network = getNetwork(channelNotJoined.connection());
+ if (!network.isPresent()) {
+ return;
+ }
+
+ Optional<Channel> channel = getChannel(network.get(), channelNotJoined.channel());
+ if (!channel.isPresent()) {
+ eventBus.post(new GenericMessage(format("Could not join %s but didn’t try to join, either.", channel.get())));
+ return;
+ }
+
+ channelsBeingJoined.remove(channel.get());
+
+ /* remove all bots for this channel, we might have been kicked. */
+ Collection<Bot> botsToRemove = networkBots.row(network.get())
+ .values().stream()
+ .filter(bot -> bot.channel()
+ .equalsIgnoreCase(channel.get().name()))
+ .collect(Collectors.toSet());
+ botsToRemove.stream()
+ .forEach(bot -> networkBots.row(network.get())
+ .remove(bot.name()));
+
+ if (channelNotJoined.reason() == registeredNicknamesOnly) {
+ channels.remove(channel.get());
+ eventBus.post(new GenericMessage(
+ format("Not trying to join %s anymore.", channel.get())));
+ return;
+ }
+ if (channelNotJoined.reason() == banned) {
+ channelBanManager.ban(channel.get());
+ eventBus.post(new GenericMessage(
+ format("Banned from %s, suspending join for a day.",
+ channel.get())));
+ return;
+ }
+
+ eventBus.post(new GenericMessage(
+ format("Could not join %s: %s", channelNotJoined.channel(),
+ channelNotJoined.reason())));
+ }
+
+ /**
+ * Removes bots that leave a channel, or channels when it’s us that’s leaving.
+ *
+ * @param channelLeft
+ * The channel left event
+ */
+ @Subscribe
+ public void channelLeft(ChannelLeft channelLeft) {
+ Optional<Network> network = getNetwork(channelLeft.connection());
+ if (!network.isPresent()) {
+ return;
+ }
+
+ Bot bot = networkBots.get(network.get(), channelLeft.client().nick().get());
+ if (bot == null) {
+ /* maybe it was us? */
+ if (channelLeft.connection().isSource(channelLeft.client())) {
+ Optional<Channel> channel = getChannel(network.get(), channelLeft.channel());
+ if (!channel.isPresent()) {
+ /* maybe it was an extra channel? */
+ channel = getExtraChannel(network.get(), channelLeft.channel());
+ if (!channel.isPresent()) {
+ /* okay, whatever. */
+ return;
+ }
+
+ extraChannels.remove(channel);
+ } else {
+ channels.remove(channel.get());
+ }
+
+ eventBus.post(new GenericMessage(String.format("Left Channel %s on %s.", channel.get().name(), channel.get().network().name())));
+ }
+
+ return;
+ }
+
+ networkBots.remove(network.get(), channelLeft.client().nick().get());
+ }
+
+ @Subscribe
+ public void kickedFromChannel(KickedFromChannel kickedFromChannel) {
+ Optional<Network> network = getNetwork(kickedFromChannel.connection());
+ if (!network.isPresent()) {
+ return;
+ }
+
+ /* have we been kicked? */
+ if (nicknameMatchesConnection(kickedFromChannel.connection(), kickedFromChannel.kickee())) {
+ Optional<Channel> channel = getChannel(network.get(), kickedFromChannel.channel());
+ if (!channel.isPresent()) {
+ /* maybe it was an extra channel? */
+ channel = getExtraChannel(network.get(), kickedFromChannel.channel());
+ if (!channel.isPresent()) {
+ /* okay, whatever. */
+ return;
+ }
+
+ extraChannels.remove(channel.get());
+ } else {
+ joinedChannels.remove(channel.get());
+ }
+ eventBus.post(new GenericMessage(format(
+ "Kicked from %s by %s: %s",
+ kickedFromChannel.channel(),
+ kickedFromChannel.kicker(),
+ kickedFromChannel.reason().or("<unknown>")
+ )));
+ }
+ }
+
+ private boolean nicknameMatchesConnection(Connection connection, String nickname) {
+ return connection.nickname().equalsIgnoreCase(nickname);
+ }
+
+ /**
+ * Removes a client (which may be a bot) from the table of known bots.
+ *
+ * @param clientQuit
+ * The client quit event
+ */
+ @Subscribe
+ public void clientQuit(ClientQuit clientQuit) {
+ Optional<Network> network = getNetwork(clientQuit.connection());
+ if (!network.isPresent()) {
+ return;
+ }
+
+ networkBots.remove(network.get(), clientQuit.client().nick().get());
+ }
+
+ /**
+ * If the nickname of a bit changes, remove it from the old name and store it
+ * under the new name.
+ *
+ * @param nicknameChanged
+ * The nickname changed event
+ */
+ @Subscribe
+ public void nicknameChanged(NicknameChanged nicknameChanged) {
+ Optional<Network> network = getNetwork(nicknameChanged.connection());
+ if (!network.isPresent()) {
+ return;
+ }
+
+ Bot bot = networkBots.remove(network.get(), nicknameChanged.client().nick().get());
+ if (bot == null) {
+ return;
+ }
+
+ networkBots.put(network.get(), nicknameChanged.newNickname(), bot);
+ }
+
+ /**
* If a message on a channel is received, it is parsed for pack information
* with is then added to a bot.
*
*/
@Subscribe
public void channelMessageReceived(ChannelMessageReceived channelMessageReceived) {
- String message = MessageCleaner.getDefaultInstance().clean(channelMessageReceived.message());
+ String message = getDefaultInstance().clean(channelMessageReceived.message());
if (!message.startsWith("#")) {
/* most probably not a pack announcement. */
return;
Bot bot;
synchronized (networkBots) {
if (!networkBots.contains(network.get(), channelMessageReceived.source().nick().get())) {
- bot = new Bot(network.get()).name(channelMessageReceived.source().nick().get());
+ bot = new Bot(network.get(), channelMessageReceived.channel(),
+ channelMessageReceived.source().nick().get());
networkBots.put(network.get(), channelMessageReceived.source().nick().get(), bot);
eventBus.post(new BotAdded(bot));
} else {
/* add pack. */
bot.addPack(pack.get());
- logger.fine(String.format("Bot %s now has %d packs.", bot, bot.packs().size()));
+ logger.debug(String.format("Bot %s now has %d packs.", bot, bot.packs().size()));
+ }
+
+ /**
+ * Forward all private messages to every console.
+ *
+ * @param privateMessageReceived
+ * The private message recevied event
+ */
+ @Subscribe
+ public void privateMessageReceived(PrivateMessageReceived privateMessageReceived) {
+ eventBus.post(new MessageReceived(privateMessageReceived.source(), privateMessageReceived.message()));
+ }
+
+ /**
+ * Sends a message to all console when a notice was received.
+ *
+ * @param privateNoticeReceived
+ * The notice received event
+ */
+ @Subscribe
+ public void privateNoticeReceived(PrivateNoticeReceived privateNoticeReceived) {
+ Optional<Network> network = getNetwork(privateNoticeReceived.connection());
+ if (!network.isPresent()) {
+ return;
+ }
+
+ eventBus.post(new GenericMessage(String.format("Notice from %s (%s): %s", privateNoticeReceived.source(), network.get(), privateNoticeReceived.text())));
}
/**
* The DCC SEND event
*/
@Subscribe
- public void dccSendReceived(DccSendReceived dccSendReceived) {
- logger.info(String.format("Starting download of %s.", dccSendReceived.filename()));
+ public void dccSendReceived(final DccSendReceived dccSendReceived) {
+ final Optional<Network> network = getNetwork(dccSendReceived.connection());
+ if (!network.isPresent()) {
+ return;
+ }
+
+ Collection<Download> packDownloads = downloads.get(dccSendReceived.filename());
+ if (packDownloads.isEmpty()) {
+ /* unknown download, ignore. */
+ return;
+ }
+
+ /* check if it’s already downloading. */
+ Collection<Download> runningDownloads = FluentIterable.from(packDownloads).filter(FILTER_RUNNING).toSet();
+ if (!runningDownloads.isEmpty()) {
+ eventBus.post(new GenericMessage(String.format("Ignoring offer for %s, it’s already being downloaded.", dccSendReceived.filename())));
+ return;
+ }
+
+ /* locate the correct download. */
+ Collection<Download> requestedDownload = FluentIterable.from(packDownloads).filter(new Predicate<Download>() {
+
+ @Override
+ public boolean apply(Download download) {
+ return download.bot().network().equals(network.get()) && download.bot().name().equalsIgnoreCase(dccSendReceived.source().nick().get());
+ }
+ }).toSet();
+
+ /* we did not request this download. */
+ if (requestedDownload.isEmpty()) {
+ return;
+ }
+
+ Download download = requestedDownload.iterator().next();
+
+ /* check if the file already exists. */
+ File outputFile = new File(temporaryDirectory, dccSendReceived.filename());
+ if (outputFile.exists()) {
+ long existingFileSize = outputFile.length();
+
+ /* file already complete? */
+ if ((dccSendReceived.filesize() > -1) && (existingFileSize >= dccSendReceived.filesize())) {
+ /* file is apparently already complete. just move it. */
+ if (outputFile.renameTo(new File(finalDirectory, download.pack().name()))) {
+ eventBus.post(new GenericMessage(String.format("File %s already downloaded.", download.pack().name())));
+ } else {
+ eventBus.post(new GenericMessage(String.format("File %s already downloaded but not moved to %s.", download.pack().name(), finalDirectory)));
+ }
+
+ /* remove download. */
+ downloads.removeAll(download.pack().name());
+ return;
+ }
+
+ /* file not complete yet, DCC resume it. */
+ try {
+ download.remoteAddress(dccSendReceived.inetAddress()).filesize(dccSendReceived.filesize());
+ dccSendReceived.connection().sendDccResume(dccSendReceived.source().nick().get(), dccSendReceived.filename(), dccSendReceived.port(), existingFileSize);
+ } catch (IOException ioe1) {
+ eventBus.post(new GenericError(String.format("Could not send DCC RESUME %s to %s (%s).", dccSendReceived.filename(), dccSendReceived.source().nick().get(), ioe1.getMessage())));
+ }
+
+ return;
+ }
+
+ /* file does not exist, start the download. */
+ try {
+ OutputStream fileOutputStream = new FileOutputStream(outputFile);
+ DccReceiver dccReceiver = new DccReceiver(eventBus, dccSendReceived.inetAddress(), dccSendReceived.port(), dccSendReceived.filename(), dccSendReceived.filesize(), fileOutputStream);
+ download.filename(outputFile.getPath()).outputStream(fileOutputStream).dccReceiver(dccReceiver);
+ dccReceivers.add(dccReceiver);
+ dccReceiver.start();
+ eventBus.post(new DownloadStarted(download));
+ } catch (FileNotFoundException fnfe1) {
+ eventBus.post(new GenericError(String.format("Could not start download of %s from %s (%s).", dccSendReceived.filename(), dccSendReceived.source().nick().get(), fnfe1.getMessage())));
+ }
+ }
+
+ @Subscribe
+ public void dccAcceptReceived(final DccAcceptReceived dccAcceptReceived) {
+ final Optional<Network> network = getNetwork(dccAcceptReceived.connection());
+ if (!network.isPresent()) {
+ return;
+ }
+
+ Collection<Download> packDownloads = downloads.get(dccAcceptReceived.filename());
+ if (packDownloads.isEmpty()) {
+ /* unknown download, ignore. */
+ return;
+ }
+
+ /* check if it’s already downloading. */
+ Collection<Download> runningDownloads = FluentIterable.from(packDownloads).filter(FILTER_RUNNING).toSet();
+ if (!runningDownloads.isEmpty()) {
+ eventBus.post(new GenericMessage(String.format("Ignoring offer for %s, it’s already being downloaded.", dccAcceptReceived.filename())));
+ return;
+ }
+
+ /* locate the correct download. */
+ Collection<Download> requestedDownload = FluentIterable.from(packDownloads).filter(new Predicate<Download>() {
+
+ @Override
+ public boolean apply(Download download) {
+ return download.bot().network().equals(network.get()) && download.bot().name().equalsIgnoreCase(dccAcceptReceived.source().nick().get());
+ }
+ }).toSet();
+
+ /* we did not request this download. */
+ if (requestedDownload.isEmpty()) {
+ return;
+ }
+
+ Download download = requestedDownload.iterator().next();
+
try {
- OutputStream fileOutputStream = new FileOutputStream(new File("/home/bombe/Temp", dccSendReceived.filename()));
- DccReceiver dccReceiver = new DccReceiver(dccSendReceived.inetAddress(), dccSendReceived.port(), dccSendReceived.filename(), dccSendReceived.filesize(), fileOutputStream);
+ File outputFile = new File(temporaryDirectory, dccAcceptReceived.filename());
+ if (outputFile.length() != dccAcceptReceived.position()) {
+ eventBus.post(new GenericError(String.format("Download %s from %s does not start at the right position!")));
+ 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()));
+
+ downloads.removeAll(download.pack().name());
+ return;
+ }
+ OutputStream outputStream = new FileOutputStream(outputFile, true);
+ DccReceiver dccReceiver = new DccReceiver(eventBus, download.remoteAddress(), dccAcceptReceived.port(), dccAcceptReceived.filename(), dccAcceptReceived.position(), download.filesize(), outputStream);
+ download.filename(outputFile.getPath()).outputStream(outputStream).dccReceiver(dccReceiver);
dccReceivers.add(dccReceiver);
dccReceiver.start();
+ eventBus.post(new DownloadStarted(download));
} catch (FileNotFoundException fnfe1) {
- logger.log(Level.WARNING, "Could not open file for download!", fnfe1);
}
}
+ /**
+ * Closes the output stream of the download and moves the file to the final
+ * location.
+ *
+ * @param dccDownloadFinished
+ * The DCC download finished event
+ */
+ @Subscribe
+ public void dccDownloadFinished(DccDownloadFinished dccDownloadFinished) {
+
+ /* locate the correct download. */
+ Collection<Download> requestedDownload = FluentIterable.from(downloads.get(dccDownloadFinished.dccReceiver().filename())).filter(FILTER_RUNNING).toSet();
+ if (requestedDownload.isEmpty()) {
+ /* this seems wrong. */
+ logger.warn("Download finished but could not be located.");
+ return;
+ }
+ Download download = requestedDownload.iterator().next();
+
+ try {
+ download.outputStream().close();
+ File file = new File(download.filename());
+ file.renameTo(new File(finalDirectory, download.pack().name()));
+ eventBus.post(new DownloadFinished(download));
+ dccReceivers.remove(dccDownloadFinished.dccReceiver());
+ downloads.removeAll(download.pack().name());
+ } catch (IOException ioe1) {
+ /* TODO - handle all the errors. */
+ logger.warn(String.format("Could not move file %s to directory %s.", download.filename(), finalDirectory), ioe1);
+ }
+ }
+
+ /**
+ * Closes the output stream and notifies all listeners of the failure.
+ *
+ * @param dccDownloadFailed
+ * The DCC download failed event
+ */
+ @Subscribe
+ public void dccDownloadFailed(DccDownloadFailed dccDownloadFailed) {
+
+ /* locate the correct download. */
+ Collection<Download> requestedDownload = FluentIterable.from(downloads.get(dccDownloadFailed.dccReceiver().filename())).filter(FILTER_RUNNING).toSet();
+ if (requestedDownload.isEmpty()) {
+ /* this seems wrong. */
+ logger.warn("Download finished but could not be located.");
+ return;
+ }
+ Download download = requestedDownload.iterator().next();
+
+ try {
+ Closeables.close(download.outputStream(), true);
+ eventBus.post(new DownloadFailed(download));
+ dccReceivers.remove(dccDownloadFailed.dccReceiver());
+ downloads.removeAll(download.pack().name());
+ } catch (IOException ioe1) {
+ /* swallow silently. */
+ }
+ }
+
+ @Subscribe
+ public void replyReceived(ReplyReceived replyReceived) {
+ logger.trace(String.format("%s: %s", replyReceived.connection().hostname(), replyReceived.reply()));
+ }
+
//
// PRIVATE METHODS
//
/**
+ * Returns the download of the given pack from the given bot.
+ *
+ * @param pack
+ * The pack being downloaded
+ * @param bot
+ * The bot the pack is being downloaded from
+ * @return The download, or {@link Optional#absent()} if the download could not
+ * be found
+ */
+ private Optional<Download> getDownload(Pack pack, Bot bot) {
+ if (!downloads.containsKey(pack.name())) {
+ return Optional.absent();
+ }
+ for (Download download : Lists.newArrayList(downloads.get(pack.name()))) {
+ if (download.bot().equals(bot)) {
+ return Optional.of(download);
+ }
+ }
+ return Optional.absent();
+ }
+
+ /**
* Searches all current connections for the given connection, returning the
* associated network.
*
}
/**
+ * Returns the configured channel for the given network and name.
+ *
+ * @param network
+ * The network the channel is located on
+ * @param channelName
+ * The name of the channel
+ * @return The configured channel, or {@link Optional#absent()} if no
+ * configured channel matching the given network and name was found
+ */
+ public Optional<Channel> getChannel(Network network, String channelName) {
+ for (Channel channel : channels) {
+ if (channel.network().equals(network) && (channel.name().equalsIgnoreCase(channelName))) {
+ return Optional.of(channel);
+ }
+ }
+ return Optional.absent();
+ }
+
+ /**
+ * Returns the extra channel for the given network and name.
+ *
+ * @param network
+ * The network the channel is located on
+ * @param channelName
+ * The name of the channel
+ * @return The extra channel, or {@link Optional#absent()} if no extra channel
+ * matching the given network and name was found
+ */
+ public Optional<Channel> getExtraChannel(Network network, String channelName) {
+ for (Channel channel : extraChannels) {
+ if (channel.network().equals(network) && (channel.name().equalsIgnoreCase(channelName))) {
+ return Optional.of(channel);
+ }
+ }
+ return Optional.absent();
+ }
+
+ /**
* Parses {@link Pack} information from the given message.
*
* @param message