package net.pterodactylus.xdcc.ui.stdin;
+import static com.google.common.collect.Lists.newArrayList;
+import static net.pterodactylus.xdcc.data.Download.BY_NAME;
+import static net.pterodactylus.xdcc.data.Download.BY_RUNNING;
+
import java.io.BufferedReader;
+import java.io.IOException;
import java.io.Reader;
+import java.io.Writer;
+import java.util.Arrays;
+import java.util.Collection;
import java.util.Collections;
+import java.util.Comparator;
import java.util.List;
+import java.util.Set;
+import java.util.regex.Pattern;
+import net.pterodactylus.irc.Connection;
+import net.pterodactylus.irc.DccReceiver;
+import net.pterodactylus.irc.util.MessageCleaner;
import net.pterodactylus.xdcc.core.Core;
+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.GenericMessage;
+import net.pterodactylus.xdcc.core.event.MessageReceived;
import net.pterodactylus.xdcc.data.Bot;
+import net.pterodactylus.xdcc.data.Download;
import net.pterodactylus.xdcc.data.Pack;
+import com.google.common.base.Predicate;
+import com.google.common.collect.ComparisonChain;
+import com.google.common.collect.FluentIterable;
import com.google.common.collect.Lists;
+import com.google.common.collect.Ordering;
+import com.google.common.collect.Sets;
+import com.google.common.eventbus.Subscribe;
+import com.google.common.primitives.Ints;
import com.google.common.util.concurrent.AbstractExecutionThreadService;
/**
/** The reader to read commands from. */
private final BufferedReader reader;
+ /** The writer to write the results to. */
+ private final Writer writer;
+
/**
* Creates a new command reader.
*
* The core being controlled
* @param reader
* The reader to read commands from
+ * @param writer
+ * The write to write results to
*/
- public CommandReader(Core core, Reader reader) {
+ public CommandReader(Core core, Reader reader, Writer writer) {
this.core = core;
this.reader = new BufferedReader(reader);
+ this.writer = writer;
}
//
protected void run() throws Exception {
String lastLine = "";
String line;
- final List<Result> lastResult = Lists.newArrayList();
+ State state = new State();
while ((line = reader.readLine()) != null) {
if (line.equals("")) {
line = lastLine;
}
String[] words = line.split(" +");
if (words[0].equalsIgnoreCase("search")) {
- lastResult.clear();
- for (Bot bot : core.bots()) {
- for (Pack pack : bot) {
+ List<Result> lastResult = newArrayList();
+ for (Bot bot : newArrayList(core.bots())) {
+ for (Pack pack : newArrayList(bot)) {
boolean found = true;
for (int wordIndex = 1; wordIndex < words.length; ++wordIndex) {
if (words[wordIndex].startsWith("-") && pack.name().toLowerCase().contains(words[wordIndex].toLowerCase().substring(1))) {
Collections.sort(lastResult);
int counter = 0;
for (Result result : lastResult) {
- System.out.println(String.format("[%d] %s (%s) from %s (#%s) on %s", counter++, result.pack().name(), result.pack().size(), result.bot().name(), result.pack().id(), result.bot().network().name()));
+ writeLine(String.format("[%d] %s (%s) from %s (#%s) on %s", counter++, result.pack().name(), result.pack().size(), result.bot().name(), result.pack().id(), result.bot().network().name()));
+ }
+ writeLine("End of Search.");
+ state = state.setLastResults(lastResult);
+ } else if (words[0].equalsIgnoreCase("dcc")) {
+ int counter = 0;
+ List<Download> downloads = newArrayList(FluentIterable.from(core.downloads()).toSortedList(Ordering.from(BY_NAME).compound(BY_RUNNING)));
+ for (Download download : downloads) {
+ DccReceiver dccReceiver = download.dccReceiver();
+ if (dccReceiver == null) {
+ /* download has not even started. */
+ writer.write(String.format("[%d] %s requested from %s (not started yet)\n", counter++, download.pack().name(), download.bot().name()));
+ continue;
+ }
+ writer.write(String.format("[%d] %s from %s (%s, ", counter++, dccReceiver.filename(), download.bot().name(), f(dccReceiver.size())));
+ if (dccReceiver.isRunning()) {
+ writer.write(String.format("%.1f%%, %s/s, %s", dccReceiver.progress() * 100.0 / dccReceiver.size(), f(dccReceiver.currentRate()), getTimeLeft(dccReceiver)));
+ } else {
+ if (dccReceiver.progress() >= dccReceiver.size()) {
+ writer.write(String.format("complete, %s/s", f(dccReceiver.overallRate())));
+ } else {
+ writer.write(String.format("aborted at %.1f%%, %s/s", dccReceiver.progress() * 100.0 / dccReceiver.size(), f(dccReceiver.currentRate())));
+ }
+ }
+ writer.write(")\n");
+ }
+ writeLine("End of DCCs.");
+ state = state.setLastDownloads(downloads);
+ } else if (words[0].equalsIgnoreCase("get")) {
+ Integer index = Ints.tryParse(words[1]);
+ if ((index != null) && (index < state.getLastResults().size())) {
+ core.fetch(state.getLastResults().get(index).bot(), state.getLastResults().get(index).pack());
+ }
+ } else if (words[0].equalsIgnoreCase("cancel")) {
+ Integer index = Ints.tryParse(words[1]);
+ if ((index != null) && (index < state.getLastDownloads().size())) {
+ core.cancelDownload(state.getLastDownloads().get(index).bot(), state.getLastDownloads().get(index).pack());
+ }
+ } else if (words[0].equalsIgnoreCase("stats")) {
+ int configuredChannelsCount = core.channels().size();
+ int joinedChannelsCount = core.joinedChannels().size();
+ int extraChannelsCount = core.extraChannels().size();
+ Collection<Bot> bots = core.bots();
+ Set<String> packNames = Sets.newHashSet();
+ int packsCount = 0;
+ for (Bot bot : bots) {
+ packsCount += bot.packs().size();
+ for (Pack pack : bot) {
+ packNames.add(pack.name());
+ }
+ }
+
+ writeLine(String.format("%d channels (%d joined, %d extra), %d bots offering %d packs (%d unique).", configuredChannelsCount, joinedChannelsCount, extraChannelsCount, bots.size(), packsCount, packNames.size()));
+ } else if (words[0].equalsIgnoreCase("connections")) {
+ List<Connection> lastConnections = newArrayList();
+ int counter = 0;
+ for (Connection connection : core.connections()) {
+ lastConnections.add(connection);
+ writer.write(String.format("[%d] %s:%d, %s/s\n", counter++, connection.hostname(), connection.port(), f(connection.getInputRate())));
+ }
+ writeLine("End of connections.");
+ state = state.setLastConnections(lastConnections);
+ } else if (words[0].equalsIgnoreCase("disconnect")) {
+ if ((words.length == 1) || ("all".equals(words[1]))) {
+ for (Connection connection : state.getLastConnections()) {
+ core.closeConnection(connection);
+ }
+ } else {
+ Integer index = Ints.tryParse(words[1]);
+ if ((index != null) && (index < state.getLastConnections().size())) {
+ core.closeConnection(state.getLastConnections().get(index));
+ }
}
- System.out.println("End of Search.");
}
lastLine = line;
}
}
+ //
+ // EVENT HANDLERS
+ //
+
+ /**
+ * Called when a download was started.
+ *
+ * @param downloadStarted
+ * The download started event
+ */
+ @Subscribe
+ public void downloadStarted(DownloadStarted downloadStarted) {
+ Download download = downloadStarted.download();
+ try {
+ writeLine(String.format("Download of %s (from %s, %s) has started.", download.pack().name(), download.bot().name(), download.bot().network().name()));
+ } catch (IOException ioe1) {
+ /* ignore. */
+ }
+ }
+
+ /**
+ * Called when a download is finished.
+ *
+ * @param downloadFinished
+ * The download finished event
+ */
+ @Subscribe
+ public void downloadFinished(DownloadFinished downloadFinished) {
+ Download download = downloadFinished.download();
+ try {
+ writeLine(String.format("Download of %s (from %s, %s) has finished, at %s/s.", download.pack().name(), download.bot().name(), download.bot().network().name(), f(download.dccReceiver().overallRate())));
+ } catch (IOException ioe1) {
+ /* ignore. */
+ }
+ }
+
+ /**
+ * Called when a download fails.
+ *
+ * @param downloadFailed
+ * The download failed event
+ */
+ @Subscribe
+ public void downloadFailed(DownloadFailed downloadFailed) {
+ Download download = downloadFailed.download();
+ try {
+ writeLine(String.format("Download of %s (from %s, %s) has failed at %.1f%% and %s/s.", download.filename(), download.bot().name(), download.bot().network().name(), download.dccReceiver().progress() * 100.0 / download.dccReceiver().size(), f(download.dccReceiver().overallRate())));
+ } catch (IOException ioe1) {
+ /* ignore. */
+ }
+ }
+
+ /**
+ * Displays the received message on the console.
+ *
+ * @param messageReceived
+ * The message received event
+ */
+ @Subscribe
+ public void messageReceived(MessageReceived messageReceived) {
+ try {
+ writeLine(String.format("Message from %s: %s", messageReceived.source(), MessageCleaner.getDefaultInstance().clean(messageReceived.message())));
+ } catch (IOException e) {
+ /* ignore. */
+ }
+ }
+
+ /**
+ * Writes a generic message to the console.
+ *
+ * @param genericMessage
+ * The generic message event
+ */
+ @Subscribe
+ public void genericMessage(GenericMessage genericMessage) {
+ try {
+ writeLine(genericMessage.message());
+ } catch (IOException ioe1) {
+ /* ignore. */
+ }
+ }
+
+ //
+ // PRIVATE METHODS
+ //
+
+ /**
+ * Writes the given line followed by an LF to the {@link #writer}.
+ *
+ * @param line
+ * The line to write
+ * @throws IOException
+ * if an I/O error occurs
+ */
+ private void writeLine(String line) throws IOException {
+ writer.write(line + "\n");
+ writer.flush();
+ }
+
+ /**
+ * Converts large numbers into a human-friendly format, by showing SI prefixes
+ * for ×1024 (K), ×1048576 (M), and ×1073741824 (G).
+ *
+ * @param number
+ * The number to convert
+ * @return The converted number
+ */
+ private static String f(long number) {
+ if (number >= (1 << 30)) {
+ return String.format("%.1fG", number / (double) (1 << 30));
+ }
+ if (number >= (1 << 20)) {
+ return String.format("%.1fM", number / (double) (1 << 20));
+ }
+ if (number >= (1 << 10)) {
+ return String.format("%.1fK", number / (double) (1 << 10));
+ }
+ return String.format("%dB", number);
+ }
+
+ /**
+ * Returns the estimated time left for the given transfer.
+ *
+ * @param dccReceiver
+ * The DCC receiver to get the time left for
+ * @return The time left for the transfer, or “unknown” if the time can not be
+ * estimated
+ */
+ private static String getTimeLeft(DccReceiver dccReceiver) {
+ if ((dccReceiver.size() == -1) || (dccReceiver.currentRate() == 0)) {
+ return "unknown";
+ }
+ long secondsLeft = (dccReceiver.size() - dccReceiver.progress()) / dccReceiver.currentRate();
+ if (secondsLeft > 3600) {
+ return String.format("%02d:%02d:%02d", secondsLeft / 3600, (secondsLeft / 60) % 60, secondsLeft % 60);
+ }
+ return String.format("%02d:%02d", (secondsLeft / 60) % 60, secondsLeft % 60);
+ }
+
/** Container for result information. */
private static class Result implements Comparable<Result> {
+ /** {@link Predicate} that matches {@link Result}s that contain an archive. */
+ private static final Predicate<Result> isArchive = new Predicate<Result>() {
+
+ /** All suffixes that are recognized as archives. */
+ private final List<String> archiveSuffixes = Arrays.asList("rar", "tar", "zip", "tar.gz", "tar.bz2", "tar.lzma", "7z");
+
+ @Override
+ public boolean apply(Result result) {
+ for (String suffix : archiveSuffixes) {
+ if (result.pack().name().toLowerCase().endsWith(suffix)) {
+ return true;
+ }
+ }
+ return false;
+ }
+ };
+
+ /**
+ * {@link Comparator} for {@link Result}s that sorts archives (as per {@link
+ * #isArchive} to the back of the list.
+ */
+ private static final Comparator<Result> packArchiveComparator = new Comparator<Result>() {
+ @Override
+ public int compare(Result leftResult, Result rightResult) {
+ if (isArchive.apply(leftResult) && !isArchive.apply(rightResult)) {
+ return 1;
+ }
+ if (!isArchive.apply(leftResult) && isArchive.apply(rightResult)) {
+ return -1;
+ }
+ return 0;
+ }
+ };
+
+ /**
+ * {@link Comparator} for bot nicknames. It comprises different strategies:
+ * one name pattern is preferred (and thus listed first), one pattern is
+ * disliked (and thus listed last), the rest is sorted alphabetically.
+ */
+ private static final Comparator<Result> botNameComparator = new Comparator<Result>() {
+
+ /** Regular expression pattern for preferred names. */
+ private final Pattern preferredNames = Pattern.compile("(?i)[^\\w]EUR?[^\\w]");
+
+ /** Regular expression pattern for disliked names. */
+ private final Pattern dislikedNames = Pattern.compile("(?i)[^\\w]USA?[^\\w]");
+
+ @Override
+ public int compare(Result leftResult, Result rightResult) {
+ String leftBotName = leftResult.bot().name();
+ String rightBotName = rightResult.bot().name();
+ /* preferred names to the front! */
+ if (preferredNames.matcher(leftBotName).find() && !preferredNames.matcher(rightBotName).find()) {
+ return -1;
+ }
+ if (preferredNames.matcher(rightBotName).find() && !preferredNames.matcher(leftBotName).find()) {
+ return 1;
+ }
+ /* disliked names to the back. */
+ if (dislikedNames.matcher(leftBotName).find() && !dislikedNames.matcher(rightBotName).find()) {
+ return 1;
+ }
+ if (dislikedNames.matcher(rightBotName).find() && !dislikedNames.matcher(leftBotName).find()) {
+ return -1;
+ }
+ return 0;
+ }
+ };
+
+ /**
+ * {@link Comparator} for {@link Result}s that sorts them by the name of the
+ * {@link Pack}.
+ */
+ private static final Comparator<Result> packNameComparator = new Comparator<Result>() {
+ @Override
+ public int compare(Result leftResult, Result rightResult) {
+ return leftResult.pack().name().compareToIgnoreCase(rightResult.pack().name());
+ }
+ };
+
/** The bot carrying the pack. */
private final Bot bot;
@Override
public int compareTo(Result result) {
- return pack().name().compareToIgnoreCase(result.pack().name());
+ return ComparisonChain.start()
+ .compare(this, result, packArchiveComparator)
+ .compare(this, result, botNameComparator)
+ .compare(this, result, packNameComparator).result();
+ }
+
+ }
+
+ /**
+ * Container for the current state of the command reader.
+ *
+ * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+ */
+ private static class State {
+
+ /** The last connections displayed. */
+ private final List<Connection> lastConnections;
+
+ /** The last results displayed. */
+ private final List<Result> lastResults;
+
+ /** The last downloads displayed. */
+ private final List<Download> lastDownloads;
+
+ /** Creates a new empty state. */
+ public State() {
+ this(Lists.<Connection>newArrayList(), Lists.<Result>newArrayList(), Lists.<Download>newArrayList());
+ }
+
+ /**
+ * Creates a new state.
+ *
+ * @param lastConnections
+ * The last connections
+ * @param lastResults
+ * The last results
+ * @param lastDownloads
+ * The last downloads
+ */
+ private State(List<Connection> lastConnections, List<Result> lastResults, List<Download> lastDownloads) {
+ this.lastConnections = lastConnections;
+ this.lastResults = lastResults;
+ this.lastDownloads = lastDownloads;
+ }
+
+ //
+ // ACCESSORS
+ //
+
+ /**
+ * Returns the last connections displayed.
+ *
+ * @return The last connections displayed
+ */
+ public List<Connection> getLastConnections() {
+ return lastConnections;
+ }
+
+ /**
+ * Returns the last results displayed.
+ *
+ * @return The last results displayed
+ */
+ public List<Result> getLastResults() {
+ return lastResults;
+ }
+
+ /**
+ * Returns the last downloads displayed.
+ *
+ * @return The last downloads displayed
+ */
+ public List<Download> getLastDownloads() {
+ return lastDownloads;
+ }
+
+ //
+ // MUTATORS
+ //
+
+ /**
+ * Returns a new state with the given last connections and the last downloads
+ * and results of this state.
+ *
+ * @param lastConnections
+ * The new last connections displayed
+ * @return The new state
+ */
+ public State setLastConnections(List<Connection> lastConnections) {
+ return new State(lastConnections, lastResults, lastDownloads);
+ }
+
+ /**
+ * Returns a new state with the given last results and the last downloads and
+ * connections of this state.
+ *
+ * @param lastResults
+ * The new last results displayed
+ * @return The new state
+ */
+ public State setLastResults(List<Result> lastResults) {
+ return new State(lastConnections, lastResults, lastDownloads);
+ }
+
+ /**
+ * Returns a new state with the given last downloads and the last connections
+ * and results of this state.
+ *
+ * @param lastDownloads
+ * The new last downloads displayed
+ * @return The new state
+ */
+ public State setLastDownloads(List<Download> lastDownloads) {
+ return new State(lastConnections, lastResults, lastDownloads);
}
}