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Code Issues Releases Wiki Activity

Add XMPPConnection.addAsyncPacketListener(PacketListener, PacketFilter)

Browse source 
and use this method in packet listeners that previously used Async.go().
This commit is contained in:
Florian Schmaus 2014-12-30 20:45:15 +01:00
parent 1d2f9749b6
commit f029b576a5
4 changed files with 75 additions and 25 deletions
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49
smack-core/src/main/java/org/jivesoftware/smack/AbstractXMPPConnection.java
View file

@ -131,6 +131,8 @@ public abstract class AbstractXMPPConnection implements XMPPConnection {
private final Map<PacketListener, ListenerWrapper> recvListeners =
new HashMap<PacketListener, ListenerWrapper>();
private final Map<PacketListener, ListenerWrapper> asyncRecvListeners = new HashMap<>();
/**
* List of PacketListeners that will be notified when a new packet was sent.
*/
@ -741,6 +743,24 @@ public abstract class AbstractXMPPConnection implements XMPPConnection {
}
}
@Override
public void addAsyncPacketListener(PacketListener packetListener, PacketFilter packetFilter) {
if (packetListener == null) {
throw new NullPointerException("Packet listener is null.");
}
ListenerWrapper wrapper = new ListenerWrapper(packetListener, packetFilter);
synchronized (asyncRecvListeners) {
asyncRecvListeners.put(packetListener, wrapper);
}
}
@Override
public boolean removeAsyncPacketListener(PacketListener packetListener) {
synchronized (asyncRecvListeners) {
return asyncRecvListeners.remove(packetListener) != null;
}
}
@Override
public void addPacketSendingListener(PacketListener packetListener, PacketFilter packetFilter) {
if (packetListener == null) {
@ -937,14 +957,39 @@ public abstract class AbstractXMPPConnection implements XMPPConnection {
*
* @param packet the packet to notify the PacketCollectors and receive listeners about.
*/
protected void invokePacketCollectorsAndNotifyRecvListeners(Packet packet) {
protected void invokePacketCollectorsAndNotifyRecvListeners(final Packet packet) {
// First handle the async recv listeners. Note that this code is very similar to what follows a few lines below,
// the only difference is that asyncRecvListeners is used here and that the packet listeners are started in
// their own thread.
Collection<PacketListener> listenersToNotify = new LinkedList<PacketListener>();
synchronized (asyncRecvListeners) {
for (ListenerWrapper listenerWrapper : asyncRecvListeners.values()) {
if (listenerWrapper.filterMatches(packet)) {
listenersToNotify.add(listenerWrapper.getListener());
}
}
}
for (final PacketListener listener : listenersToNotify) {
asyncGo(new Runnable() {
@Override
public void run() {
try {
listener.processPacket(packet);
} catch (Exception e) {
LOGGER.log(Level.SEVERE, "Exception in async packet listener", e);
}
}
});
}
// Loop through all collectors and notify the appropriate ones.
for (PacketCollector collector: collectors) {
collector.processPacket(packet);
}
// Notify the receive listeners interested in the packet
List<PacketListener> listenersToNotify = new LinkedList<PacketListener>();
listenersToNotify = new LinkedList<PacketListener>();
synchronized (recvListeners) {
for (ListenerWrapper listenerWrapper : recvListeners.values()) {
if (listenerWrapper.filterMatches(packet)) {

23
smack-core/src/main/java/org/jivesoftware/smack/XMPPConnection.java
View file

@ -266,6 +266,29 @@ public interface XMPPConnection {
*/
public boolean removePacketListener(PacketListener packetListener);
/**
* Registers an <b>asynchronous</b> packet listener with this connection. A packet listener will be invoked only
* when an incoming packet is received. A packet filter determines which packets will be delivered to the listener.
* If the same packet listener is added again with a different filter, only the new filter will be used.
* <p>
* Unlike {@link #addPacketListener(PacketListener, PacketFilter)} packet listeners added with this method will be
* invoked asynchronously in their own thread. Use this method if the order of the packet listeners must not depend
* on the order how the stanzas where received.
* </p>
*
* @param packetListener the packet listener to notify of new received packets.
* @param packetFilter the packet filter to use.
*/
public void addAsyncPacketListener(PacketListener packetListener, PacketFilter packetFilter);
/**
* Removes an <b>asynchronous</b> packet listener for received packets from this connection.
*
* @param packetListener the packet listener to remove.
* @return true if the packet listener was removed
*/
public boolean removeAsyncPacketListener(PacketListener packetListener);
/**
* Registers a packet listener with this connection. The listener will be
* notified of every packet that this connection sends. A packet filter determines

12
smack-extensions/src/main/java/org/jivesoftware/smackx/filetransfer/FileTransferManager.java
View file

@ -26,7 +26,6 @@ import org.jivesoftware.smack.filter.PacketTypeFilter;
import org.jivesoftware.smack.packet.IQ;
import org.jivesoftware.smack.packet.Packet;
import org.jivesoftware.smack.packet.XMPPError;
import org.jivesoftware.smack.util.Async;
import org.jivesoftware.smackx.si.packet.StreamInitiation;
import org.jxmpp.util.XmppStringUtils;
@ -74,21 +73,12 @@ public class FileTransferManager extends Manager {
super(connection);
this.fileTransferNegotiator = FileTransferNegotiator
.getInstanceFor(connection);
connection.addPacketListener(new PacketListener() {
connection.addAsyncPacketListener(new PacketListener() {
public void processPacket(Packet packet) {
StreamInitiation si = (StreamInitiation) packet;
final FileTransferRequest request = new FileTransferRequest(FileTransferManager.this, si);
for (final FileTransferListener listener : listeners) {
// Those listeners need to be called asynchronously, in
// order to not block further processing of incoming
// stanzas. They also may send further requests, whose
// responses are not processed if we do not call them
// asynchronously.
Async.go(new Runnable() {
public void run() {
listener.fileTransferRequest(request);
}
});
}
}
}, new AndFilter(new PacketTypeFilter(StreamInitiation.class), IQTypeFilter.SET));

16
smack-extensions/src/main/java/org/jivesoftware/smackx/muc/MultiUserChatManager.java
View file

@ -43,7 +43,6 @@ import org.jivesoftware.smack.filter.NotFilter;
import org.jivesoftware.smack.filter.PacketTypeFilter;
import org.jivesoftware.smack.packet.Message;
import org.jivesoftware.smack.packet.Packet;
import org.jivesoftware.smack.util.Async;
import org.jivesoftware.smackx.disco.AbstractNodeInformationProvider;
import org.jivesoftware.smackx.disco.ServiceDiscoveryManager;
import org.jivesoftware.smackx.disco.packet.DiscoverInfo;
@ -114,13 +113,11 @@ public class MultiUserChatManager extends Manager {
*/
private final Map<String, WeakReference<MultiUserChat>> multiUserChats = new HashMap<String, WeakReference<MultiUserChat>>();
private final PacketListener invitationPacketListener;
private MultiUserChatManager(XMPPConnection connection) {
super(connection);
// Listens for all messages that include a MUCUser extension and fire the invitation
// listeners if the message includes an invitation.
invitationPacketListener = new PacketListener() {
PacketListener invitationPacketListener = new PacketListener() {
public void processPacket(Packet packet) {
final Message message = (Message) packet;
// Get the MUCUser extension
@ -130,18 +127,13 @@ public class MultiUserChatManager extends Manager {
// Fire event for invitation listeners
final MultiUserChat muc = getMultiUserChat(packet.getFrom());
for (final InvitationListener listener : invitationsListeners) {
Async.go(new Runnable() {
@Override
public void run() {
listener.invitationReceived(connection(), muc, mucUser.getInvite().getFrom(),
mucUser.getInvite().getReason(), mucUser.getPassword(), message);
}
});
listener.invitationReceived(connection(), muc, mucUser.getInvite().getFrom(),
mucUser.getInvite().getReason(), mucUser.getPassword(), message);
}
}
}
};
connection.addPacketListener(invitationPacketListener, INVITATION_FILTER);
connection.addAsyncPacketListener(invitationPacketListener, INVITATION_FILTER);
}
/**