Renamed the async marker. Added handling of close.

ProtocolLib/src/com/comphenix/protocol/async/AsyncFilterManager.java

@@ -62,7 +62,7 @@ public class AsyncFilterManager {
 	 * @param syncPacket - synchronous packet event.
 	 * @param asyncMarker - the asynchronous marker to use.
 	 */
-	public void enqueueSyncPacket(PacketEvent syncPacket, AsyncPacket asyncMarker) {
+	public void enqueueSyncPacket(PacketEvent syncPacket, AsyncMarker asyncMarker) {
 		PacketEvent newEvent = PacketEvent.fromSynchronous(syncPacket, asyncMarker);
 		
 		// Start the process
@@ -76,14 +76,14 @@ public class AsyncFilterManager {
 	 * @param timeoutDelta - how long (in ms) until the packet expire.
 	 * @return An async marker.
 	 */
-	public AsyncPacket createAsyncMarker(long sendingDelta, long timeoutDelta) {
+	public AsyncMarker createAsyncMarker(long sendingDelta, long timeoutDelta) {
 		return createAsyncMarker(sendingDelta, timeoutDelta, 
 								 currentSendingIndex.incrementAndGet(), System.currentTimeMillis());
 	}
 	
 	// Helper method
-	private AsyncPacket createAsyncMarker(long sendingDelta, long timeoutDelta, long sendingIndex, long currentTime) {
-		return new AsyncPacket(packetStream, sendingIndex, sendingDelta, System.currentTimeMillis(), timeoutDelta);
+	private AsyncMarker createAsyncMarker(long sendingDelta, long timeoutDelta, long sendingIndex, long currentTime) {
+		return new AsyncMarker(packetStream, sendingIndex, sendingDelta, System.currentTimeMillis(), timeoutDelta);
 	}
 	
 	public PacketStream getPacketStream() {

ProtocolLib/src/com/comphenix/protocol/async/AsyncMarker.java

@@ -11,11 +11,11 @@ import com.comphenix.protocol.injector.PrioritizedListener;
 import com.google.common.primitives.Longs;
 
 /**
- * Represents a packet that is being processed by asynchronous listeners.
+ * Contains information about the packet that is being processed by asynchronous listeners.
  * 
  * @author Kristian
  */
-public class AsyncPacket implements Serializable, Comparable<AsyncPacket> {
+public class AsyncMarker implements Serializable, Comparable<AsyncMarker> {
 		
 	/**
 	 * Generated by Eclipse.
@@ -47,12 +47,15 @@ public class AsyncPacket implements Serializable, Comparable<AsyncPacket> {
 	
 	// Whether or not the packet has been processed by the listeners
 	private volatile boolean processed;
+	
+	// Whethre or not the packet has been sent
+	private volatile boolean transmitted;
 
 	/**
 	 * Create a container for asyncronous packets.
 	 * @param initialTime - the current time in milliseconds since 01.01.1970 00:00.
 	 */
-	AsyncPacket(PacketStream packetStream, long sendingIndex, long sendingDelta, long initialTime, long timeoutDelta) {
+	AsyncMarker(PacketStream packetStream, long sendingIndex, long sendingDelta, long initialTime, long timeoutDelta) {
 		if (packetStream == null)
 			throw new IllegalArgumentException("packetStream cannot be NULL");
 		
@@ -143,6 +146,14 @@ public class AsyncPacket implements Serializable, Comparable<AsyncPacket> {
 		this.processed = processed;
 	}
 
+	/**
+	 * Retrieve whether or not this packet has already been sent.
+	 * @return TRUE if it has been sent before, FALSE otherwise.
+	 */
+	public boolean isTransmitted() {
+		return transmitted;
+	}
+
 	/**
 	 * Retrieve iterator for the next listener in line.
 	 * @return Next async packet listener iterator.
@@ -171,6 +182,8 @@ public class AsyncPacket implements Serializable, Comparable<AsyncPacket> {
 			} else {
 				packetStream.recieveClientPacket(event.getPlayer(), event.getPacket(), false);
 			}
+			transmitted = true;
+			
 		} catch (InvocationTargetException e) {
 			throw new IOException("Cannot send packet", e);
 		} catch (IllegalAccessException e) {
@@ -179,7 +192,7 @@ public class AsyncPacket implements Serializable, Comparable<AsyncPacket> {
 	}
 	
 	@Override
-	public int compareTo(AsyncPacket o) {
+	public int compareTo(AsyncMarker o) {
 		if (o == null)
 			return 1;
 		else

ProtocolLib/src/com/comphenix/protocol/async/ListenerToken.java

@@ -95,7 +95,7 @@ class ListenerToken {
 			mainLoop:
 			while (!cancelled) {
 				PacketEvent packet = queuedPackets.take();
-				AsyncPacket marker = packet.getAsyncMarker();
+				AsyncMarker marker = packet.getAsyncMarker();
 				
 				// Handle cancel requests
 				if (packet == null || marker == null || !packet.isAsynchronous()) {

ProtocolLib/src/com/comphenix/protocol/async/PacketProcessingQueue.java

@@ -77,7 +77,7 @@ class PacketProcessingQueue extends AbstractConcurrentListenerMultimap<ListenerT
 			// Any packet queued?
 			if (packet != null) {
 				Collection<PrioritizedListener<ListenerToken>> list = getListener(packet.getPacketID());
-				AsyncPacket marker = packet.getAsyncMarker();
+				AsyncMarker marker = packet.getAsyncMarker();
 				
 				if (list != null) {
 					Iterator<PrioritizedListener<ListenerToken>> iterator = list.iterator();

ProtocolLib/src/com/comphenix/protocol/async/PacketSendingQueue.java

@@ -27,7 +27,18 @@ class PacketSendingQueue {
 	public synchronized void signalPacketUpdate(PacketEvent packetUpdated) {
 		// Mark this packet as finished
 		packetUpdated.getAsyncMarker().setProcessed(true);
-		signalPacketUpdates();
+
+		// Transmit as many packets as we can
+		while (true) {
+			PacketEvent current = sendingQueue.peek();
+			
+			if (current != null && current.getAsyncMarker().isProcessed()) {
+				sendPacket(current);
+				sendingQueue.poll();
+			} else {
+				break;
+			}
+		}
 	}
 	
 	/**
@@ -38,12 +49,7 @@ class PacketSendingQueue {
 			PacketEvent current = sendingQueue.poll();
 			
 			if (current != null) {
-				// Just print the error
-				try {
-					current.getAsyncMarker().sendPacket(current);
-				} catch (IOException e) {
-					e.printStackTrace();
-				}
+				sendPacket(current);
 			} else {
 				break;
 			}
@@ -51,29 +57,23 @@ class PacketSendingQueue {
 	}
 	
 	/**
-	 * Invoked when potentially every packet is finished.
+	 * Transmit a packet, if it hasn't already.
+	 * @param event - the packet to transmit.
 	 */
-	private void signalPacketUpdates() {
-		// Transmit as many packets as we can
-		while (true) {
-			PacketEvent current = sendingQueue.peek();
-			
-			if (current != null && current.getAsyncMarker().isProcessed()) {
-				// Just print the error
-				try {
-					current.getAsyncMarker().sendPacket(current);
-				} catch (IOException e) {
-					e.printStackTrace();
-				}
-				
-				sendingQueue.poll();
-				
-			} else {
-				break;
-			}
-		}
+	private void sendPacket(PacketEvent event) {
 		
-		// And we're done
+		AsyncMarker marker = event.getAsyncMarker();
+		
+		try {
+			// Don't send a packet twice
+			if (marker != null && !marker.isTransmitted()) {
+				marker.sendPacket(event);
+			}
+			
+		} catch (IOException e) {
+			// Just print the error
+			e.printStackTrace();
+		}
 	}
 
 	/**

ProtocolLib/src/com/comphenix/protocol/events/PacketEvent.java

@@ -25,7 +25,7 @@ import java.util.EventObject;
 import org.bukkit.entity.Player;
 import org.bukkit.event.Cancellable;
 
-import com.comphenix.protocol.async.AsyncPacket;
+import com.comphenix.protocol.async.AsyncMarker;
 
 public class PacketEvent extends EventObject implements Cancellable {
 	/**
@@ -38,7 +38,7 @@ public class PacketEvent extends EventObject implements Cancellable {
 	private boolean serverPacket;
 	private boolean cancel;
 	
-	private AsyncPacket asyncMarker;
+	private AsyncMarker asyncMarker;
 	private boolean asynchronous;
 	
 	/**
@@ -56,7 +56,7 @@ public class PacketEvent extends EventObject implements Cancellable {
 		this.serverPacket = serverPacket;
 	}
 	
-	private PacketEvent(PacketEvent origial, AsyncPacket asyncMarker) {
+	private PacketEvent(PacketEvent origial, AsyncMarker asyncMarker) {
 		super(origial.source);
 		this.packet = origial.packet;
 		this.player = origial.player;
@@ -93,7 +93,7 @@ public class PacketEvent extends EventObject implements Cancellable {
 	 * @param marker - the asynchronous marker.
 	 * @return The new packet event.
 	 */
-	public static PacketEvent fromSynchronous(PacketEvent event, AsyncPacket marker) {
+	public static PacketEvent fromSynchronous(PacketEvent event, AsyncMarker marker) {
 		return new PacketEvent(event, marker);
 	}
 	
@@ -160,7 +160,7 @@ public class PacketEvent extends EventObject implements Cancellable {
 	 * asynchronous event, the marker is used to correctly pass the packet around to the different threads.
 	 * @return The current asynchronous marker.
 	 */
-	public AsyncPacket getAsyncMarker() {
+	public AsyncMarker getAsyncMarker() {
 		return asyncMarker;
 	}
 
@@ -171,7 +171,7 @@ public class PacketEvent extends EventObject implements Cancellable {
 	 * to be processed asynchronously with the given settings. 
 	 * @param asyncMarker - the new asynchronous marker.
 	 */
-	public void setAsyncMarker(AsyncPacket asyncMarker) {
+	public void setAsyncMarker(AsyncMarker asyncMarker) {
 		this.asyncMarker = asyncMarker;
 	}