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Code Issues Releases Wiki Activity

Notify packet sending listeners in new thread

Browse source 
sendListeners are now invoked *after* the packet has been put on the
wire.

Also sending listener exceptions are not catched and not only
NotConnectedExceptions. And a exception does not cause a 'break' but a
'continue' now. Log level is WARNING now.
This commit is contained in:
Florian Schmaus 2014-10-25 11:39:16 +02:00
parent 51d84647f3
commit 9f56842ee4
3 changed files with 57 additions and 35 deletions
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3
smack-bosh/src/main/java/org/jivesoftware/smack/bosh/XMPPBOSHConnection.java
View file

@ -309,6 +309,9 @@ public class XMPPBOSHConnection extends AbstractXMPPConnection {
private void sendElement(Element element) {
try {
send(ComposableBody.builder().setPayloadXML(element.toXML().toString()).build());
if (element instanceof Packet) {
firePacketSendingListeners((Packet) element);
}
}
catch (BOSHException e) {
LOGGER.log(Level.SEVERE, "BOSHException in sendPacketInternal", e);

37
smack-core/src/main/java/org/jivesoftware/smack/AbstractXMPPConnection.java
View file

@ -63,6 +63,7 @@ import org.jivesoftware.smack.packet.PlainStreamElement;
import org.jivesoftware.smack.provider.PacketExtensionProvider;
import org.jivesoftware.smack.provider.ProviderManager;
import org.jivesoftware.smack.rosterstore.RosterStore;
import org.jivesoftware.smack.util.Async;
import org.jivesoftware.smack.util.PacketParserUtils;
import org.jxmpp.util.XmppStringUtils;
import org.xmlpull.v1.XmlPullParser;
@ -506,9 +507,6 @@ public abstract class AbstractXMPPConnection implements XMPPConnection {
// the content of the packet.
firePacketInterceptors(packet);
sendPacketInternal(packet);
// Process packet writer listeners. Note that we're using the sending thread so it's
// expected that listeners are fast.
firePacketSendingListeners(packet);
}
@Override
@ -703,11 +701,15 @@ public abstract class AbstractXMPPConnection implements XMPPConnection {
/**
* Process all packet listeners for sending packets.
* <p>
* Compared to {@link #firePacketInterceptors(Packet)}, the listeners will be invoked in a new thread.
* </p>
*
* @param packet the packet to process.
*/
private void firePacketSendingListeners(Packet packet) {
List<PacketListener> listenersToNotify = new LinkedList<PacketListener>();
@SuppressWarnings("javadoc")
protected void firePacketSendingListeners(final Packet packet) {
final List<PacketListener> listenersToNotify = new LinkedList<PacketListener>();
synchronized (sendListeners) {
for (ListenerWrapper listenerWrapper : sendListeners.values()) {
if (listenerWrapper.filterMatches(packet)) {
@ -715,15 +717,24 @@ public abstract class AbstractXMPPConnection implements XMPPConnection {
}
}
}
for (PacketListener listener : listenersToNotify) {
try {
listener.processPacket(packet);
}
catch (NotConnectedException e) {
LOGGER.log(Level.WARNING, "Got not connected exception, aborting");
break;
}
if (listenersToNotify.isEmpty()) {
return;
}
// Notify in a new thread, because we can
Async.go(new Runnable() {
@Override
public void run() {
for (PacketListener listener : listenersToNotify) {
try {
listener.processPacket(packet);
}
catch (Exception e) {
LOGGER.log(Level.WARNING, "Sending listener threw exception", e);
continue;
}
}
}}
, "Smack Sending Listeners Notification (" + getConnectionCounter() + ')');
}
@Override

52
smack-tcp/src/main/java/org/jivesoftware/smack/tcp/XMPPTCPConnection.java
View file

@ -1347,30 +1347,38 @@ public class XMPPTCPConnection extends AbstractXMPPConnection {
initalOpenStreamSend.reportSuccess();
// Write out packets from the queue.
while (!done()) {
Element packet = nextStreamElement();
if (packet != null) {
// Check if the stream element should be put to the unacknowledgedStanza
// queue. Note that we can not do the put() in sendPacketInternal() and the
// packet order is not stable at this point (sendPacketInternal() can be
// called concurrently).
if (isSmEnabled() && packet instanceof Packet) {
// If the unacknowledgedStanza queue is nearly full, request an new ack
// from the server in order to drain it
if (unacknowledgedStanzas.size() == 0.8 * XMPPTCPConnection.QUEUE_SIZE) {
writer.write(AckRequest.INSTANCE.toXML().toString());
writer.flush();
}
try {
unacknowledgedStanzas.put((Packet) packet);
}
catch (InterruptedException e) {
throw new IllegalStateException(e);
}
}
writer.write(packet.toXML().toString());
if (queue.isEmpty()) {
Element element = nextStreamElement();
if (element == null) {
continue;
}
Packet packet = null;
if (element instanceof Packet) {
packet = (Packet) element;
}
// Check if the stream element should be put to the unacknowledgedStanza
// queue. Note that we can not do the put() in sendPacketInternal() and the
// packet order is not stable at this point (sendPacketInternal() can be
// called concurrently).
if (isSmEnabled() && packet != null) {
// If the unacknowledgedStanza queue is nearly full, request an new ack
// from the server in order to drain it
if (unacknowledgedStanzas.size() == 0.8 * XMPPTCPConnection.QUEUE_SIZE) {
writer.write(AckRequest.INSTANCE.toXML().toString());
writer.flush();
}
try {
unacknowledgedStanzas.put(packet);
}
catch (InterruptedException e) {
throw new IllegalStateException(e);
}
}
writer.write(element.toXML().toString());
if (queue.isEmpty()) {
writer.flush();
}
if (packet != null) {
firePacketSendingListeners(packet);
}
}
if (!instantShutdown) {