import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
+import java.net.InetAddress;
import java.net.Socket;
+import java.net.UnknownHostException;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Set;
-import java.util.concurrent.SynchronousQueue;
+import java.util.logging.Level;
+import java.util.logging.Logger;
import javax.net.SocketFactory;
import net.pterodactylus.irc.event.ChannelJoined;
+import net.pterodactylus.irc.event.ChannelLeft;
+import net.pterodactylus.irc.event.ChannelMessageReceived;
import net.pterodactylus.irc.event.ChannelNicknames;
import net.pterodactylus.irc.event.ChannelNotJoined;
import net.pterodactylus.irc.event.ChannelNotJoined.Reason;
import net.pterodactylus.irc.event.ChannelTopic;
+import net.pterodactylus.irc.event.ClientQuit;
import net.pterodactylus.irc.event.ConnectionEstablished;
import net.pterodactylus.irc.event.ConnectionFailed;
+import net.pterodactylus.irc.event.DccSendReceived;
import net.pterodactylus.irc.event.MotdReceived;
import net.pterodactylus.irc.event.NicknameInUseReceived;
import net.pterodactylus.irc.event.NoNicknameGivenReceived;
+import net.pterodactylus.irc.event.PrivateMessageReceived;
import net.pterodactylus.irc.event.UnknownReplyReceived;
import net.pterodactylus.irc.util.RandomNickname;
-import com.beust.jcommander.internal.Maps;
-import com.beust.jcommander.internal.Sets;
import com.google.common.base.Optional;
+import com.google.common.collect.Maps;
+import com.google.common.collect.Sets;
import com.google.common.eventbus.EventBus;
-import com.google.common.eventbus.Subscribe;
import com.google.common.io.Closeables;
+import com.google.common.primitives.Ints;
+import com.google.common.primitives.Longs;
import com.google.common.util.concurrent.AbstractExecutionThreadService;
import com.google.common.util.concurrent.Service;
*/
public class Connection extends AbstractExecutionThreadService implements Service {
+ /* The logger. */
+ private static final Logger logger = Logger.getLogger(Connection.class.getName());
+
/** The event bus. */
private final EventBus eventBus;
*
* @param username
* The username to use
- * @return
+ * @return This connection
*/
public Connection username(String username) {
this.username = Optional.fromNullable(username);
//
/**
+ * Checks whether the given source is the client represented by this
+ * connection.
+ *
+ * @param source
+ * The source to check
+ * @return {@code true} if this connection represents the given source, {@code
+ * false} otherwise
+ */
+ public boolean isSource(Source source) {
+ return source.nick().isPresent() && source.nick().get().equals(nickname);
+ }
+
+ /**
* Joins the given channel.
*
* @param channel
* The channel to join
- * @return {@code true} if the channel was joined, {@code false} otherwise
+ * @throws IOException
+ * if an I/O error occurs
*/
- public boolean joinChannel(final String channel) {
- final SynchronousQueue<Boolean> result = new SynchronousQueue<Boolean>();
- Object eventHandler = new Object() {
-
- @Subscribe
- public void channelJoined(ChannelJoined channelJoined) throws InterruptedException {
- if (!channelJoined.channel().equalsIgnoreCase(channel)) {
- return;
- }
- Optional<String> nickname = channelJoined.client().nick();
- if (!nickname.isPresent() || (nickname.isPresent() && nickname().equalsIgnoreCase(nickname.get()))) {
- eventBus.unregister(this);
- result.put(true);
- }
- }
+ public void joinChannel(final String channel) throws IOException {
+ connectionHandler.sendCommand("JOIN", channel);
+ }
- @Subscribe
- public void channelNotJoined(ChannelNotJoined channelNotJoined) throws InterruptedException {
- if (!channelNotJoined.channel().equalsIgnoreCase(channel)) {
- return;
- }
- eventBus.unregister(this);
- result.put(false);
- }
- };
- eventBus.register(eventHandler);
- try {
- connectionHandler.sendCommand("JOIN", channel);
- return result.take();
- } catch (IOException ioe1) {
- eventBus.unregister(eventHandler);
- } catch (InterruptedException ie1) {
- /* TODO - how to handle? */
- }
- return false;
+ /**
+ * Sends a message to the given recipient, which may be a channel or another
+ * nickname.
+ *
+ * @param recipient
+ * The recipient of the message
+ * @param message
+ * The message
+ * @throws IOException
+ * if an I/O error occurs
+ */
+ public void sendMessage(String recipient, String message) throws IOException {
+ connectionHandler.sendCommand("PRIVMSG", recipient, message);
}
//
/* server modes. */
Map<String, String> nickPrefixes = Maps.newHashMap();
+ Set<Character> channelTypes = Sets.newHashSet();
while (connected) {
Reply reply = connectionHandler.readReply();
- System.err.println("<< " + reply);
+ logger.finest(String.format("<< %s", reply));
String command = reply.command();
List<String> parameters = reply.parameters();
+ /* most common events. */
+ if (command.equalsIgnoreCase("PRIVMSG")) {
+ String recipient = parameters.get(0);
+ String message = parameters.get(1);
+ if (message.startsWith("\u0001") && message.endsWith("\u0001")) {
+ /* CTCP! */
+ String[] messageWords = message.substring(1, message.length() - 1).split(" +");
+ String ctcpCommand = messageWords[0];
+ if (ctcpCommand.equalsIgnoreCase("DCC")) {
+ if (messageWords[1].equalsIgnoreCase("SEND")) {
+ Optional<InetAddress> inetAddress = parseInetAddress(messageWords[3]);
+ Optional<Integer> port = Optional.fromNullable(Ints.tryParse(messageWords[4]));
+ long fileSize = Optional.fromNullable(Longs.tryParse(messageWords[5])).or(-1L);
+ if (inetAddress.isPresent() && port.isPresent()) {
+ eventBus.post(new DccSendReceived(this, reply.source().get(), messageWords[2], inetAddress.get(), port.get(), fileSize));
+ } else {
+ logger.warning(String.format("Received malformed DCC SEND: “%s”", message));
+ }
+ }
+ }
+ } else if (!channelTypes.contains(recipient.charAt(0))) {
+ eventBus.post(new PrivateMessageReceived(this, reply.source().get(), message));
+ } else {
+ eventBus.post(new ChannelMessageReceived(this, recipient, reply.source().get(), message));
+ }
+
/* replies 001-004 don’t hold information but they have to be sent on a successful connection. */
- if (command.equals("001")) {
+ } else if (command.equals("001")) {
connectionStatus |= 0x01;
} else if (command.equals("002")) {
connectionStatus |= 0x02;
char modeSymbol = parameter.charAt(closeParen + modeCharacterIndex);
nickPrefixes.put(String.valueOf(modeSymbol), String.valueOf(modeCharacter));
}
+ logger.fine(String.format("Parsed Prefixes: %s", nickPrefixes));
}
+ } else if (parameter.startsWith("CHANTYPES=")) {
+ for (int typeIndex = 10; typeIndex < parameter.length(); ++typeIndex) {
+ channelTypes.add(parameter.charAt(typeIndex));
+ }
+ logger.fine(String.format("Parsed Channel Types: %s", channelTypes));
}
}
} else if (command.equals("332")) {
eventBus.post(new ChannelTopic(this, parameters.get(1), parameters.get(2)));
} else if (command.equals("353")) {
- String channel = parameters.get(2);
for (String nickname : parameters.get(3).split(" ")) {
if (nickPrefixes.containsKey(nickname.substring(0, 1))) {
nicks.add(new Nickname(nickname.substring(1), nickname.substring(0, 1)));
}
} else if (command.equals("366")) {
eventBus.post(new ChannelNicknames(this, parameters.get(1), nicks));
- System.out.println("Found Nicknames: " + nicks);
nicks.clear();
+ } else if (command.equalsIgnoreCase("PART")) {
+ eventBus.post(new ChannelLeft(this, parameters.get(0), reply.source().get(), parameters.get(1)));
+ } else if (command.equalsIgnoreCase("QUIT")) {
+ eventBus.post(new ClientQuit(this, reply.source().get(), parameters.get(0)));
/* common channel join errors. */
} else if (command.equals("474")) {
oldConnectionStatus = connectionStatus;
}
} catch (IOException ioe1) {
- ioe1.printStackTrace();
+ logger.log(Level.WARNING, "I/O error", ioe1);
} finally {
- System.out.println("Closing Connection.");
+ logger.info("Closing Connection.");
try {
Closeables.close(connectionHandler, true);
} catch (IOException ioe1) {
return Optional.absent();
}
+ /**
+ * Parses the given {@code ip} and returns an {@link InetAddress} from it.
+ *
+ * @param ip
+ * The IP to parse
+ * @return The parsed inet address, or {@link Optional#absent()} if no inet
+ * address could be parsed
+ */
+ private Optional<InetAddress> parseInetAddress(String ip) {
+ Long ipNumber = Longs.tryParse(ip);
+ if (ipNumber == null) {
+ return Optional.absent();
+ }
+
+ StringBuilder hostname = new StringBuilder(15);
+ hostname.append((ipNumber >>> 24) & 0xff).append('.');
+ hostname.append((ipNumber >>> 16) & 0xff).append('.');
+ hostname.append((ipNumber >>> 8) & 0xff).append('.');
+ hostname.append(ipNumber & 0xff);
+ try {
+ return Optional.of(InetAddress.getByName(hostname.toString()));
+ } catch (UnknownHostException uhe1) {
+ return Optional.absent();
+ }
+ }
+
/** Handles input and output for the connection. */
private class ConnectionHandler implements Closeable {
setParameters.add(maybeSetParameter.get());
}
}
- sendCommand(command, setParameters.toArray(new String[0]));
+ sendCommand(command, setParameters.toArray(new String[setParameters.size()]));
}
/**
commandBuilder.append(parameter);
}
- System.out.println(">> " + commandBuilder.toString());
+ logger.finest(String.format(">> %s", commandBuilder));
outputStream.write((commandBuilder.toString() + "\r\n").getBytes("UTF-8"));
outputStream.flush();
}