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Code Issues Releases Wiki Activity

Move processPacket() method to XMPPConnection

Browse source 
This removes code duplication in BOSHConnection and TCPConnection's
PacketReader, by moving the common code to the superclass
XMPPConnection.
This commit is contained in:
Florian Schmaus 2014-03-14 00:25:22 +01:00
parent 89ed4d7492
commit 4b6f09f962
3 changed files with 71 additions and 134 deletions
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64
bosh/src/main/java/org/jivesoftware/smack/BOSHConnection.java
View file

@ -21,14 +21,10 @@ import java.io.IOException;
import java.io.PipedReader;
import java.io.PipedWriter;
import java.io.Writer;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.ThreadFactory;
import org.jivesoftware.smack.XMPPConnection;
import org.jivesoftware.smack.ConnectionCreationListener;
import org.jivesoftware.smack.ConnectionListener;
import org.jivesoftware.smack.PacketCollector;
import org.jivesoftware.smack.Roster;
import org.jivesoftware.smack.XMPPException;
import org.jivesoftware.smack.packet.Packet;
@ -84,11 +80,6 @@ public class BOSHConnection extends XMPPConnection {
private boolean wasAuthenticated = false;
private boolean done = false;
/**
* The Thread environment for sending packet listeners.
*/
private ExecutorService listenerExecutor;
// The readerPipe and consumer thread are used for the debugger.
private PipedWriter readerPipe;
private Thread readerConsumer;
@ -166,18 +157,6 @@ public class BOSHConnection extends XMPPConnection {
}
client = BOSHClient.create(cfgBuilder.build());
// Create an executor to deliver incoming packets to listeners.
// We'll use a single thread with an unbounded queue.
listenerExecutor = Executors
.newSingleThreadExecutor(new ThreadFactory() {
public Thread newThread(Runnable runnable) {
Thread thread = new Thread(runnable,
"Smack Listener Processor ("
+ connectionCounterValue + ")");
thread.setDaemon(true);
return thread;
}
});
client.addBOSHClientConnListener(new BOSHConnectionListener(this));
client.addBOSHClientResponseListener(new BOSHPacketReader(this));
@ -517,10 +496,6 @@ public class BOSHConnection extends XMPPConnection {
writer = null;
}
// Shut down the listener executor.
if (listenerExecutor != null) {
listenerExecutor.shutdown();
}
readerConsumer = null;
}
@ -554,27 +529,6 @@ public class BOSHConnection extends XMPPConnection {
client.send(body);
}
/**
* Processes a packet after it's been fully parsed by looping through the
* installed packet collectors and listeners and letting them examine the
* packet to see if they are a match with the filter.
*
* @param packet the packet to process.
*/
protected void processPacket(Packet packet) {
if (packet == null) {
return;
}
// Loop through all collectors and notify the appropriate ones.
for (PacketCollector collector : getPacketCollectors()) {
collector.processPacket(packet);
}
// Deliver the incoming packet to listeners.
listenerExecutor.submit(new ListenerNotification(packet));
}
/**
* Initialize the SmackDebugger which allows to log and debug XML traffic.
*/
@ -738,22 +692,4 @@ public class BOSHConnection extends XMPPConnection {
}
}
}
/**
* This class notifies all listeners that a packet was received.
*/
private class ListenerNotification implements Runnable {
private Packet packet;
public ListenerNotification(Packet packet) {
this.packet = packet;
}
public void run() {
for (ListenerWrapper listenerWrapper : recvListeners.values()) {
listenerWrapper.notifyListener(packet);
}
}
}
}

60
core/src/main/java/org/jivesoftware/smack/XMPPConnection.java
View file

@ -27,11 +27,15 @@ import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentLinkedQueue;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.CopyOnWriteArraySet;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.ScheduledThreadPoolExecutor;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.jivesoftware.smack.compression.XMPPInputOutputStream;
@ -216,6 +220,19 @@ public abstract class XMPPConnection {
private final ScheduledExecutorService executorService = new ScheduledThreadPoolExecutor(2);
/**
* Create an executor to deliver incoming packets to listeners. We'll use a single thread with an unbounded queue.
*/
private ExecutorService listenerExecutor = Executors.newSingleThreadExecutor(new ThreadFactory() {
public Thread newThread(Runnable runnable) {
Thread thread = new Thread(runnable,
"Smack Listener Processor (" + connectionCounterValue + ")");
thread.setDaemon(true);
return thread;
}
});
/**
* Create a new XMPPConnection to a XMPP server.
*
@ -870,6 +887,49 @@ public abstract class XMPPConnection {
return packetReplyTimeout;
}
/**
* Processes a packet after it's been fully parsed by looping through the installed
* packet collectors and listeners and letting them examine the packet to see if
* they are a match with the filter.
*
* @param packet the packet to process.
*/
protected void processPacket(Packet packet) {
if (packet == null) {
return;
}
// Loop through all collectors and notify the appropriate ones.
for (PacketCollector collector: getPacketCollectors()) {
collector.processPacket(packet);
}
// Deliver the incoming packet to listeners.
listenerExecutor.submit(new ListenerNotification(packet));
}
/**
* A runnable to notify all listeners of a packet.
*/
private class ListenerNotification implements Runnable {
private Packet packet;
public ListenerNotification(Packet packet) {
this.packet = packet;
}
public void run() {
for (ListenerWrapper listenerWrapper : recvListeners.values()) {
try {
listenerWrapper.notifyListener(packet);
} catch (Exception e) {
LOGGER.log(Level.SEVERE, "Exception in packet listener", e);
}
}
}
}
/**
* A wrapper class to associate a packet filter with a listener.
*/

81
tcp/src/main/java/org/jivesoftware/smack/PacketReader.java
View file

@ -17,20 +17,20 @@
package org.jivesoftware.smack;
import org.jivesoftware.smack.XMPPConnection.ListenerWrapper;
import org.jivesoftware.smack.packet.*;
import org.jivesoftware.smack.packet.IQ;
import org.jivesoftware.smack.packet.Packet;
import org.jivesoftware.smack.packet.Presence;
import org.jivesoftware.smack.packet.XMPPError;
import org.jivesoftware.smack.parsing.ParsingExceptionCallback;
import org.jivesoftware.smack.parsing.UnparsablePacket;
import org.jivesoftware.smack.sasl.SASLMechanism.Challenge;
import org.jivesoftware.smack.sasl.SASLMechanism.Failure;
import org.jivesoftware.smack.sasl.SASLMechanism.Success;
import org.jivesoftware.smack.util.PacketParserUtils;
import org.xmlpull.v1.XmlPullParserFactory;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import java.util.concurrent.*;
import java.util.logging.Level;
import java.util.logging.Logger;
@ -47,7 +47,6 @@ class PacketReader {
private static final Logger LOGGER = Logger.getLogger(PacketReader.class.getName());
private Thread readerThread;
private ExecutorService listenerExecutor;
private TCPConnection connection;
private XmlPullParser parser;
@ -76,18 +75,6 @@ class PacketReader {
readerThread.setName("Smack Packet Reader (" + connection.connectionCounterValue + ")");
readerThread.setDaemon(true);
// Create an executor to deliver incoming packets to listeners. We'll use a single
// thread with an unbounded queue.
listenerExecutor = Executors.newSingleThreadExecutor(new ThreadFactory() {
public Thread newThread(Runnable runnable) {
Thread thread = new Thread(runnable,
"Smack Listener Processor (" + connection.connectionCounterValue + ")");
thread.setDaemon(true);
return thread;
}
});
resetParser();
}
@ -140,9 +127,6 @@ class PacketReader {
}
}
done = true;
// Shut down the listener executor.
listenerExecutor.shutdown();
}
/**
@ -185,7 +169,7 @@ class PacketReader {
}
continue;
}
processPacket(packet);
connection.processPacket(packet);
}
else if (parser.getName().equals("iq")) {
IQ iq;
@ -199,7 +183,7 @@ class PacketReader {
}
continue;
}
processPacket(iq);
connection.processPacket(iq);
}
else if (parser.getName().equals("presence")) {
Presence presence;
@ -213,7 +197,7 @@ class PacketReader {
}
continue;
}
processPacket(presence);
connection.processPacket(presence);
}
// We found an opening stream. Record information about it, then notify
// the connectionID lock so that the packet reader startup can finish.
@ -269,18 +253,18 @@ class PacketReader {
// SASL authentication has failed. The server may close the connection
// depending on the number of retries
final Failure failure = PacketParserUtils.parseSASLFailure(parser);
processPacket(failure);
connection.processPacket(failure);
connection.getSASLAuthentication().authenticationFailed(failure.getCondition());
}
}
else if (parser.getName().equals("challenge")) {
// The server is challenging the SASL authentication made by the client
String challengeData = parser.nextText();
processPacket(new Challenge(challengeData));
connection.processPacket(new Challenge(challengeData));
connection.getSASLAuthentication().challengeReceived(challengeData);
}
else if (parser.getName().equals("success")) {
processPacket(new Success(parser.nextText()));
connection.processPacket(new Success(parser.nextText()));
// We now need to bind a resource for the connection
// Open a new stream and wait for the response
connection.packetWriter.openStream();
@ -333,27 +317,6 @@ class PacketReader {
notify();
}
/**
* Processes a packet after it's been fully parsed by looping through the installed
* packet collectors and listeners and letting them examine the packet to see if
* they are a match with the filter.
*
* @param packet the packet to process.
*/
private void processPacket(Packet packet) {
if (packet == null) {
return;
}
// Loop through all collectors and notify the appropriate ones.
for (PacketCollector collector: connection.getPacketCollectors()) {
collector.processPacket(packet);
}
// Deliver the incoming packet to listeners.
listenerExecutor.submit(new ListenerNotification(packet));
}
private void parseFeatures(XmlPullParser parser) throws Exception {
boolean startTLSReceived = false;
boolean startTLSRequired = false;
@ -432,7 +395,7 @@ class PacketReader {
new XMPPError(XMPPError.Condition.forbidden));
}
}
// Release the lock after TLS has been negotiated or we are not insterested in TLS
if (!startTLSReceived || connection.getConfiguration().getSecurityMode() ==
ConnectionConfiguration.SecurityMode.disabled)
@ -440,26 +403,4 @@ class PacketReader {
releaseConnectionIDLock();
}
}
/**
* A runnable to notify all listeners of a packet.
*/
private class ListenerNotification implements Runnable {
private Packet packet;
public ListenerNotification(Packet packet) {
this.packet = packet;
}
public void run() {
for (ListenerWrapper listenerWrapper : connection.recvListeners.values()) {
try {
listenerWrapper.notifyListener(packet);
} catch (Exception e) {
LOGGER.log(Level.SEVERE, "Exception in packet listener", e);
}
}
}
}
}