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.inviteOnly;
+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.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.Set;
+import java.util.TreeMap;
import java.util.concurrent.TimeUnit;
-import java.util.logging.Level;
-import java.util.logging.Logger;
+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.event.KickedFromChannel;
import net.pterodactylus.irc.event.NicknameChanged;
-import net.pterodactylus.irc.event.PrivateNoticeReceived;
import net.pterodactylus.irc.event.PrivateMessageReceived;
-import net.pterodactylus.irc.util.MessageCleaner;
+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.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 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.
/** 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 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 directory to move finished files to
*/
@Inject
- public Core(EventBus eventBus, String temporaryDirectory, String finalDirectory) {
+ 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.
*
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 */
}
}
@Override
protected void run() throws Exception {
while (isRunning()) {
- try {
- Thread.sleep(TimeUnit.MINUTES.toMillis(1));
- } catch (InterruptedException ie1) {
- /* ignore. */
- }
- /* find channels that should be monitored but are not. */
+ Set<Channel> missingChannels = new HashSet<>();
for (Channel channel : channels) {
- if (joinedChannels.contains(channel)) {
+ if (joinedChannels.contains(channel) || channelsBeingJoined.contains(channel)) {
continue;
}
+ if (channelBanManager.isBanned(channel)) {
+ continue;
+ }
+ if (!networkConnections.containsKey(channel.network()) || 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 (missingNetworks.isEmpty()) {
+ 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 {
+ synchronized (syncObject) {
+ try {
+ syncObject.wait(TimeUnit.MINUTES.toMillis(1));
+ } catch (InterruptedException ie1) {
+ /* ignore. */
+ }
+ }
+ }
+ continue;
+ }
- connectNetwork(channel.network());
- Connection connection = networkConnections.get(channel.network());
- if (connection.established()) {
- eventBus.post(new GenericMessage(String.format("Trying to join %s on %s.", channel.name(), channel.network().name())));
- connection.joinChannel(channel.name());
+ Map<Long, Network> timesForNextConnects = new TreeMap<>(missingNetworks.stream()
+ .collect(Collectors.toMap(connectionBackoff::getConnectionTime, Function.identity(), (network, ignore) -> network)));
+
+ Optional<Entry<Long, Network>> firstNetwork = Optional.fromNullable(timesForNextConnects.entrySet().stream().findFirst().orElse(null));
+ if (!firstNetwork.isPresent()) {
+ continue;
+ }
+ if (firstNetwork.get().getKey() > System.currentTimeMillis()) {
+ eventBus.post(new GenericMessage(String.format("Will connect to %2$s at %1$tH:%1$tM...", firstNetwork.get().getKey(), firstNetwork.get().getValue().name())));
+ synchronized (syncObject) {
+ try {
+ syncObject.wait(firstNetwork.get().getKey() - System.currentTimeMillis());
+ } catch (InterruptedException ie1) {
+ /* ignore. */
+ }
+ }
+ if (!isRunning()) {
+ break;
+ }
+ if (firstNetwork.get().getKey() > System.currentTimeMillis()) {
+ continue;
}
}
+
+ connectNetwork(firstNetwork.get().getValue());
}
}
@Override
- protected void shutDown() {
+ protected void triggerShutdown() {
+ synchronized (syncObject) {
+ syncObject.notifyAll();
+ }
}
//
return;
}
Server server = servers.get((int) (Math.random() * servers.size()));
- Connection connection = new ConnectionBuilder(eventBus).connect(server.hostname()).port(server.unencryptedPorts().iterator().next()).build();
+ eventBus.post(new GenericMessage(String.format("Connecting to %s on %s...", network.name(), server.hostname())));
+ Connection connection = connectionFactory.createConnection(server.hostname(),
+ server.unencryptedPorts().iterator().next());
connection.username(RandomNickname.get()).realName(RandomNickname.get());
networkConnections.put(network, connection);
- connection.start();
+ 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)));
+ }
+
//
// EVENT HANDLERS
//
/* 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);
}
}
}
*/
@Subscribe
public void connectionClosed(ConnectionClosed connectionClosed) {
- Optional<Network> network = getNetwork(connectionClosed.connection());
- if (!network.isPresent()) {
- return;
- }
-
- /* find all channels that need to be removed. */
- for (Collection 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();
- }
+ 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())));
+ }
- /* 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();
+ /**
+ * 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();
}
- bots.clear();
- eventBus.post(new GenericMessage(String.format("Network %s disconnected, %d bots removed, %d packs removed.", network.get().name(), botCount, packCount)));
-
- /* now remove the network. */
- networkConnections.remove(network.get());
+ eventBus.post(new GenericMessage(String.format("Could not connect to %s: %s.", connectionFailed.connection().hostname(), connectionFailed.cause())));
}
/**
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());
+ synchronized (syncObject) {
+ syncObject.notifyAll();
+ }
+ if (!channel.isPresent()) {
+ eventBus.post(new GenericMessage(format("Could not join %s but didn’t try to join, either.", channelNotJoined.channel())));
+ 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()));
+
+ channelBanManager.ban(channel.get());
+ if (channelNotJoined.reason() == registeredNicknamesOnly) {
+ eventBus.post(new GenericMessage(
+ format("Not trying to join %s anymore.", channel.get())));
+ } else if (channelNotJoined.reason() == inviteOnly) {
+ eventBus.post(new GenericMessage(
+ format("%s is invite-only, suspending join for a day.",
+ channel.get())));
+ } else if (channelNotJoined.reason() == banned) {
+ eventBus.post(new GenericMessage(
+ format("Banned from %s, suspending join for a day.",
+ channel.get())));
+ } else {
+ 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.
*
} else {
channels.remove(channel.get());
}
+ synchronized (syncObject) {
+ syncObject.notifyAll();
+ }
eventBus.post(new GenericMessage(String.format("Left Channel %s on %s.", channel.get().name(), channel.get().network().name())));
}
return;
}
- Bot removedBot = networkBots.remove(network.get(), channelLeft.client().nick().get());
- if (removedBot != null) {
- eventBus.post(new GenericMessage(String.format("Bot %s (%s) was removed, %d packs removed.", removedBot.name(), removedBot.network().name(), removedBot.packs().size())));
+ 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());
+ }
+ synchronized (syncObject) {
+ syncObject.notifyAll();
+ }
+ 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.
*
return;
}
- Bot removedBot = networkBots.remove(network.get(), clientQuit.client().nick().get());
- if (removedBot != null) {
- eventBus.post(new GenericMessage(String.format("Bot %s (%s) was removed, %d packs removed.", removedBot.name(), removedBot.network().name(), removedBot.packs().size())));
- }
+ networkBots.remove(network.get(), clientQuit.client().nick().get());
}
/**
*/
@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()));
}
/**
return;
}
- eventBus.post(new GenericMessage(String.format("Notice from %s (%s): %s", privateNoticeReceived.reply().source(), network.get(), privateNoticeReceived.text())));
+ eventBus.post(new GenericMessage(String.format("Notice from %s (%s): %s", privateNoticeReceived.source(), network.get(), privateNoticeReceived.text())));
}
/**
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.log(Level.WARNING, String.format("Download %s from %s: have %d bytes but wants to resume from %d!", dccAcceptReceived.filename(), dccAcceptReceived.source(), outputFile.length(), dccAcceptReceived.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;
Collection<Download> requestedDownload = FluentIterable.from(downloads.get(dccDownloadFinished.dccReceiver().filename())).filter(FILTER_RUNNING).toSet();
if (requestedDownload.isEmpty()) {
/* this seems wrong. */
- logger.warning("Download finished but could not be located.");
+ logger.warn("Download finished but could not be located.");
return;
}
Download download = requestedDownload.iterator().next();
downloads.removeAll(download.pack().name());
} catch (IOException ioe1) {
/* TODO - handle all the errors. */
- logger.log(Level.WARNING, String.format("Could not move file %s to directory %s.", download.filename(), finalDirectory), ioe1);
+ logger.warn(String.format("Could not move file %s to directory %s.", download.filename(), finalDirectory), ioe1);
}
}
Collection<Download> requestedDownload = FluentIterable.from(downloads.get(dccDownloadFailed.dccReceiver().filename())).filter(FILTER_RUNNING).toSet();
if (requestedDownload.isEmpty()) {
/* this seems wrong. */
- logger.warning("Download finished but could not be located.");
+ logger.warn("Download finished but could not be located.");
return;
}
Download download = requestedDownload.iterator().next();
}
}
+ @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.
*
projects / xudocci.git / blobdiff