package net.pterodactylus.irc;
import static com.google.common.base.Preconditions.checkState;
+import static java.util.Arrays.asList;
import static java.util.concurrent.TimeUnit.SECONDS;
import java.io.BufferedReader;
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.logging.Level;
-import java.util.logging.Logger;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicBoolean;
+
import javax.net.SocketFactory;
+import net.pterodactylus.irc.connection.ChannelNickHandler;
+import net.pterodactylus.irc.connection.ChannelNotJoinedHandler;
+import net.pterodactylus.irc.connection.ConnectionEstablishHandler;
+import net.pterodactylus.irc.connection.CtcpHandler;
+import net.pterodactylus.irc.connection.Handler;
+import net.pterodactylus.irc.connection.MessageHandler;
+import net.pterodactylus.irc.connection.MotdHandler;
+import net.pterodactylus.irc.connection.PrefixHandler;
+import net.pterodactylus.irc.connection.SimpleCommandHandler;
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.ChannelNoticeReceived;
import net.pterodactylus.irc.event.ChannelTopic;
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.DccSendReceived;
-import net.pterodactylus.irc.event.MotdReceived;
+import net.pterodactylus.irc.event.KickedFromChannel;
import net.pterodactylus.irc.event.NicknameChanged;
import net.pterodactylus.irc.event.NicknameInUseReceived;
import net.pterodactylus.irc.event.NoNicknameGivenReceived;
-import net.pterodactylus.irc.event.PrivateMessageReceived;
-import net.pterodactylus.irc.event.PrivateNoticeReceived;
+import net.pterodactylus.irc.event.ReplyReceived;
import net.pterodactylus.irc.event.UnknownReplyReceived;
import net.pterodactylus.irc.util.RandomNickname;
import net.pterodactylus.xdcc.util.io.BandwidthCountingInputStream;
import net.pterodactylus.xdcc.util.io.BandwidthCountingOutputStream;
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;
+import org.apache.log4j.Logger;
/**
* A connection to an IRC server.
private ConnectionHandler connectionHandler;
/** Whether the connection has already been established. */
- private boolean established;
+ private final AtomicBoolean established = new AtomicBoolean();
/**
* Creates a new connection.
* false} otherwise
*/
public boolean established() {
- return established;
+ return established.get();
}
/**
* if an I/O error occurs
*/
public void close() throws IOException {
- connectionHandler.close();
+ if (connectionHandler != null) {
+ connectionHandler.close();
+ }
}
//
/* connect to remote socket. */
try {
Socket socket = socketFactory.createSocket(hostname, port);
+ socket.setSoTimeout((int) TimeUnit.MINUTES.toMillis(3));
connectionHandler = new ConnectionHandler(socket.getInputStream(), socket.getOutputStream());
/* register connection. */
return;
}
+ eventBus.register(this);
/* now read replies and react. */
try {
/* some status variables. */
- int oldConnectionStatus = 0;
- int connectionStatus = 0;
boolean connected = true;
- StringBuilder motd = new StringBuilder();
- Set<Nickname> nicks = Sets.newHashSet();
- /* server modes. */
- Map<String, String> nickPrefixes = Maps.newHashMap();
- Set<Character> channelTypes = Sets.newHashSet();
+ PrefixHandler prefixHandler = new PrefixHandler();
+ List<Handler> handlers = asList(
+ new MessageHandler(eventBus, this, prefixHandler),
+ new CtcpHandler(eventBus, this),
+ new ChannelNickHandler(eventBus, this, prefixHandler),
+ new SimpleCommandHandler()
+ .addCommand("431", (s, p) -> eventBus.post(
+ new NoNicknameGivenReceived(this)))
+ .addCommand("NICK", (s, p) -> eventBus.post(
+ new NicknameChanged(this, s.get(),
+ p.get(0)))),
+ new MotdHandler(eventBus, this),
+ new ChannelNotJoinedHandler(eventBus, this),
+ new ConnectionEstablishHandler(eventBus, this),
+ prefixHandler
+ );
while (connected) {
Reply reply = connectionHandler.readReply();
- logger.finest(String.format("<< %s", reply));
+ eventBus.post(new ReplyReceived(this, reply));
+ logger.trace(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! */
- handleCtcp(reply.source().get(), 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));
- }
-
- } else if (command.equalsIgnoreCase("NOTICE")) {
- String recipient = parameters.get(0);
- String message = parameters.get(1);
- if (message.startsWith("\u0001") && message.endsWith("\u0001")) {
- /* CTCP! */
- handleCtcp(reply.source().get(), message);
- } else if (!channelTypes.contains(recipient.charAt(0))) {
- eventBus.post(new PrivateNoticeReceived(this, reply));
- } else {
- eventBus.post(new ChannelNoticeReceived(this, reply.source().get(), recipient, message));
+ for (Handler handler : handlers) {
+ if (handler.willHandle(reply)) {
+ handler.handleReply(reply);
+ break;
}
+ }
/* 43x replies are for nick change errors. */
- } else if (command.equals("431")) {
- eventBus.post(new NoNicknameGivenReceived(this, reply));
- } else if (command.equals("433")) {
- if (connectionStatus == 0) {
+ if (command.equals("433")) {
+ if (!established.get()) {
nickname = nicknameChooser.getNickname();
connectionHandler.sendCommand("NICK", nickname);
} else {
eventBus.post(new NicknameInUseReceived(this, reply));
}
- /* client stuff. */
- } else if (command.equalsIgnoreCase("NICK")) {
- eventBus.post(new NicknameChanged(this, reply.source().get(), parameters.get(0)));
-
/* channel stuff. */
} else if (command.equalsIgnoreCase("JOIN")) {
eventBus.post(new ChannelJoined(this, parameters.get(0), reply.source().get()));
/* no topic is set. */
} else if (command.equals("332")) {
eventBus.post(new ChannelTopic(this, parameters.get(1), parameters.get(2)));
- } else if (command.equals("353")) {
- 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 {
- nicks.add(new Nickname(nickname, ""));
- }
- }
- } else if (command.equals("366")) {
- eventBus.post(new ChannelNicknames(this, parameters.get(1), nicks));
- nicks.clear();
} else if (command.equalsIgnoreCase("PART")) {
eventBus.post(new ChannelLeft(this, parameters.get(0), reply.source().get(), getOptional(parameters, 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")) {
- eventBus.post(new ChannelNotJoined(this, parameters.get(1), Reason.banned));
- } else if (command.equals("473")) {
- eventBus.post(new ChannelNotJoined(this, parameters.get(1), Reason.inviteOnly));
- } else if (command.equals("475")) {
- eventBus.post(new ChannelNotJoined(this, parameters.get(1), Reason.badChannelKey));
-
/* basic connection housekeeping. */
} else if (command.equalsIgnoreCase("PING")) {
connectionHandler.sendCommand("PONG", getOptional(parameters, 0), getOptional(parameters, 1));
- /* replies 001-004 don’t hold information but they have to be sent on a successful connection. */
- } else if (command.equals("001")) {
- connectionStatus |= 0x01;
- } else if (command.equals("002")) {
- connectionStatus |= 0x02;
- } else if (command.equals("003")) {
- connectionStatus |= 0x04;
- } else if (command.equals("004")) {
- connectionStatus |= 0x08;
-
- /* 005 originally was a bounce message, now used to transmit useful information about the server. */
- } else if (command.equals("005")) {
- for (String parameter : parameters) {
- if (parameter.startsWith("PREFIX=")) {
- int openParen = parameter.indexOf('(');
- int closeParen = parameter.indexOf(')');
- if ((openParen != -1) && (closeParen != -1)) {
- for (int modeCharacterIndex = 1; modeCharacterIndex < (closeParen - openParen); ++modeCharacterIndex) {
- char modeCharacter = parameter.charAt(openParen + modeCharacterIndex);
- 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));
- }
- }
-
- /* 375, 372, and 376 handle the server’s MOTD. */
- } else if (command.equals("375")) {
- /* MOTD starts. */
- motd.append(parameters.get(1)).append('\n');
- } else if (command.equals("372")) {
- motd.append(parameters.get(1)).append('\n');
- } else if (command.equals("376")) {
- motd.append(parameters.get(1)).append('\n');
- eventBus.post(new MotdReceived(this, motd.toString()));
- motd.setLength(0);
+ } else if (command.equalsIgnoreCase("KICK")) {
+ eventBus.post(new KickedFromChannel(this, parameters.get(0), reply.source().get(), parameters.get(1), getOptional(parameters, 2)));
/* okay, everything else. */
} else {
eventBus.post(new UnknownReplyReceived(this, reply));
}
-
- if ((connectionStatus == 0x0f) && (connectionStatus != oldConnectionStatus)) {
- /* connection succeeded! */
- established = true;
- eventBus.post(new ConnectionEstablished(this));
- }
- oldConnectionStatus = connectionStatus;
}
eventBus.post(new ConnectionClosed(this));
} catch (IOException ioe1) {
- logger.log(Level.WARNING, "I/O error", ioe1);
+ logger.warn("I/O error", ioe1);
eventBus.post(new ConnectionClosed(this, ioe1));
+ } catch (RuntimeException re1) {
+ logger.error("Runtime error", re1);
+ eventBus.post(new ConnectionClosed(this, re1));
} finally {
- established = false;
+ established.set(false);
+ eventBus.unregister(this);
logger.info("Closing Connection.");
try {
Closeables.close(connectionHandler, true);
}
+ @Subscribe
+ public void connectionEstablished(ConnectionEstablished connectionEstablished) {
+ if (connectionEstablished.connection() == this) {
+ established.set(true);
+ }
+ }
+
//
// PRIVATE METHODS
//
/**
- * Handles a CTCP message.
- *
- * @param client
- * The client sending the message
- * @param message
- * The message
- */
- private void handleCtcp(Source client, String message) {
- 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, client, messageWords[2], inetAddress.get(), port.get(), fileSize));
- } else {
- logger.warning(String.format("Received malformed DCC SEND: “%s”", message));
- }
- } else if (messageWords[1].equalsIgnoreCase("ACCEPT")) {
- Optional<Integer> port = Optional.fromNullable(Ints.tryParse(messageWords[3]));
- long position = Optional.fromNullable(Longs.tryParse(messageWords[4])).or(-1L);
- if (port.isPresent()) {
- eventBus.post(new DccAcceptReceived(this, client, messageWords[2], port.get(), position));
- } else {
- logger.warning(String.format("Received malformed DCC ACCEPT: “%s”", message));
- }
- }
- }
- }
-
- /**
* Returns an item from the list, or {@link Optional#absent()} if the list is
* shorter than required for the given index.
*
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 {
commandBuilder.append(parameter);
}
- logger.finest(String.format(">> %s", commandBuilder));
+ logger.trace(String.format(">> %s", commandBuilder));
outputStream.write((commandBuilder.toString() + "\r\n").getBytes("UTF-8"));
outputStream.flush();
}
public void close() throws IOException {
Closeables.close(outputStream, true);
Closeables.close(inputStreamReader, true);
+ Closeables.close(inputStream, true);
}
}
projects / xudocci.git / blobdiff