package net.pterodactylus.irc;
import static com.google.common.base.Preconditions.checkState;
+import static java.util.concurrent.TimeUnit.SECONDS;
import java.io.BufferedReader;
import java.io.Closeable;
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.ChannelNotJoinedHandler;
+import net.pterodactylus.irc.connection.ConnectionEstablishHandler;
import net.pterodactylus.irc.event.ChannelJoined;
import net.pterodactylus.irc.event.ChannelLeft;
import net.pterodactylus.irc.event.ChannelMessageReceived;
import net.pterodactylus.irc.event.ConnectionFailed;
import net.pterodactylus.irc.event.DccAcceptReceived;
import net.pterodactylus.irc.event.DccSendReceived;
+import net.pterodactylus.irc.event.KickedFromChannel;
import net.pterodactylus.irc.event.MotdReceived;
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.
//
/**
+ * Returns the hostname of the remote end of the connection.
+ *
+ * @return The remote’s hostname
+ */
+ public String hostname() {
+ return hostname;
+ }
+
+ /**
+ * Returns the port number of the remote end of the connection.
+ *
+ * @return The remote’s port number
+ */
+ public int port() {
+ return port;
+ }
+
+ /**
* Returns whether this connection has already been established.
*
* @return {@code true} as long as this connection is established, {@code
* false} otherwise
*/
public boolean established() {
- return established;
+ return established.get();
}
/**
//
/**
+ * Returns the current rate of the connection’s incoming side.
+ *
+ * @return The current input rate (in bytes per second)
+ */
+ public long getInputRate() {
+ return (connectionHandler != null) ? connectionHandler.getInputRate() : 0;
+ }
+
+ /**
+ * Returns the current rate of the connection’s outgoing side.
+ *
+ * @return The current output rate (in bytes per second)
+ */
+ public long getOutputRate() {
+ return (connectionHandler != null) ? connectionHandler.getOutputRate() : 0;
+ }
+
+ /**
* Checks whether the given source is the client represented by this
* connection.
*
connectionHandler.sendCommand("PRIVMSG", recipient, String.format("\u0001DCC RESUME %s %d %d\u0001", filename, port, position));
}
+ /**
+ * Closes this connection.
+ *
+ * @throws IOException
+ * if an I/O error occurs
+ */
+ public void close() throws IOException {
+ if (connectionHandler != null) {
+ connectionHandler.close();
+ }
+ }
+
//
// ABSTRACTEXECUTIONTHREADSERVICE METHODS
//
/* 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. */
Map<String, String> nickPrefixes = Maps.newHashMap();
Set<Character> channelTypes = Sets.newHashSet();
+ ConnectionEstablishHandler connectionEstablishHandler = new ConnectionEstablishHandler(eventBus, this);
+ ChannelNotJoinedHandler channelNotJoinedHandler = new ChannelNotJoinedHandler(eventBus, this);
+
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();
} 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));
+ } else if (channelNotJoinedHandler.willHandle(reply)) {
+ channelNotJoinedHandler.handleReply(reply);
/* 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;
+ } else if (connectionEstablishHandler.willHandle(reply)) {
+ connectionEstablishHandler.handleReply(reply);
/* 005 originally was a bounce message, now used to transmit useful information about the server. */
} else if (command.equals("005")) {
char modeSymbol = parameter.charAt(closeParen + modeCharacterIndex);
nickPrefixes.put(String.valueOf(modeSymbol), String.valueOf(modeCharacter));
}
- logger.fine(String.format("Parsed Prefixes: %s", nickPrefixes));
+ logger.debug(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));
+ logger.debug(String.format("Parsed Channel Types: %s", channelTypes));
}
}
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
//
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));
+ logger.warn(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);
+ long position = (messageWords.length > 4) ? Optional.fromNullable(Longs.tryParse(messageWords[4])).or(-1L) : -1;
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));
+ logger.warn(String.format("Received malformed DCC ACCEPT: “%s”", message));
}
}
}
private class ConnectionHandler implements Closeable {
/** The output stream of the connection. */
- private final OutputStream outputStream;
+ private final BandwidthCountingOutputStream outputStream;
+
+ /** The input stream. */
+ private final BandwidthCountingInputStream inputStream;
/** The input stream of the connection. */
private final BufferedReader inputStreamReader;
* if the encoding (currently “UTF-8”) is not valid
*/
private ConnectionHandler(InputStream inputStream, OutputStream outputStream) throws UnsupportedEncodingException {
- this.outputStream = outputStream;
- inputStreamReader = new BufferedReader(new InputStreamReader(inputStream, "UTF-8"));
+ this.outputStream = new BandwidthCountingOutputStream(outputStream, 5, SECONDS);
+ this.inputStream = new BandwidthCountingInputStream(inputStream, 5, SECONDS);
+ inputStreamReader = new BufferedReader(new InputStreamReader(this.inputStream, "UTF-8"));
}
//
//
/**
+ * Returns the current rate of the connection’s incoming side.
+ *
+ * @return The current input rate (in bytes per second)
+ */
+ public long getInputRate() {
+ return inputStream.getCurrentRate();
+ }
+
+ /**
+ * Returns the current rate of the connection’s outgoing side.
+ *
+ * @return The current output rate (in bytes per second)
+ */
+ public long getOutputRate() {
+ return outputStream.getCurrentRate();
+ }
+
+ /**
* Sends a command with the given parameters, skipping all {@link
* Optional#absent()} optionals.
*
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);
}
}