From d83655f2d37b247505d12f501e1f26db06388627 Mon Sep 17 00:00:00 2001
From: "Kristian S. Stangeland" <kr_stang@hotmail.com>
Date: Sat, 7 Dec 2013 00:47:13 +0100
Subject: [PATCH] Add the ability to print out every packet listener.

---
 .../java/com/comphenix/protocol/CommandProtocol.java  | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/ProtocolLib/src/main/java/com/comphenix/protocol/CommandProtocol.java b/ProtocolLib/src/main/java/com/comphenix/protocol/CommandProtocol.java
index 04484391..608f27d2 100644
--- a/ProtocolLib/src/main/java/com/comphenix/protocol/CommandProtocol.java
+++ b/ProtocolLib/src/main/java/com/comphenix/protocol/CommandProtocol.java
@@ -24,6 +24,7 @@ import org.bukkit.command.CommandSender;
 import org.bukkit.plugin.Plugin;
 
 import com.comphenix.protocol.error.ErrorReporter;
+import com.comphenix.protocol.events.PacketListener;
 import com.comphenix.protocol.metrics.Updater;
 import com.comphenix.protocol.metrics.Updater.UpdateType;
 import com.comphenix.protocol.timing.TimedListenerManager;
@@ -64,6 +65,8 @@ class CommandProtocol extends CommandBase {
 			updateVersion(sender);
 		else if (subCommand.equalsIgnoreCase("timings"))
 			toggleTimings(sender, args);
+		else if (subCommand.equalsIgnoreCase("listeners"))
+			printListeners(sender, args);
 		else
 			return false;
 		return true;
@@ -77,6 +80,14 @@ class CommandProtocol extends CommandBase {
 		performUpdate(sender, UpdateType.DEFAULT);
 	}
 	
+	// Display every listener on the server
+	private void printListeners(final CommandSender sender, String[] args) {
+		for (PacketListener listener : ProtocolLibrary.getProtocolManager().getPacketListeners()) {
+			sender.sendMessage(ChatColor.GOLD + "Packet listeners:");
+			sender.sendMessage(ChatColor.GOLD + " " + listener);
+		}
+	}
+	
 	private void performUpdate(final CommandSender sender, UpdateType type) {
 		if (updater.isChecking()) {
 			sender.sendMessage(ChatColor.RED + "Already checking for an update.");