Implemented Essentials-based AFK Auto-Kick w/ server load based trigger threshold.

appinfo.properties

@@ -1,5 +1,5 @@
-#Fri, 27 Sep 2013 10:59:36 -0400
+#Tue, 08 Oct 2013 13:58:56 -0400
 
 program.VERSION=3.2
-program.BUILDNUM=615
-program.BUILDDATE=09/27/2013 10\:59 AM
+program.BUILDNUM=616
+program.BUILDDATE=10/08/2013 01\:58 PM

buildnumber.properties

@@ -1,3 +1,3 @@
 #Build Number for ANT. Do not edit!
-#Fri Sep 27 10:59:36 EDT 2013
-build.number=616
+#Tue Oct 08 13:58:56 EDT 2013
+build.number=617

src/config.yml

@@ -184,3 +184,10 @@ service_checker_url: http://status.mojang.com/check
 httpd_enabled: true
 httpd_public_folder: ./public_html
 httpd_port: 28966
+
+# Inactivity Auto-Kick (Requires Essentials)
+autokick_enabled: true
+# autokick_threshold - Percentage of server player capacity used at which players will be automatically kicked for being inactive. Range: 0.0 - 1.0
+autokick_threshold: 0.9
+# autokick_time - Time, in seconds, after which a player should be kicked when inactive
+autokick_time: 120

src/me/StevenLawson/TotalFreedomMod/TFM_ConfigEntry.java

@@ -32,16 +32,19 @@ public enum TFM_ConfigEntry
     TOSSMOB_ENABLED(Boolean.class, "tossmob_enabled"),
     TWITTERBOT_ENABLED(Boolean.class, "twitterbot_enabled"),
     HTTPD_ENABLED(Boolean.class, "httpd_enabled"),
+    AUTOKICK_ENABLED(Boolean.class, "autokick_enabled"),
     //
     AUTO_PROTECT_RADIUS(Double.class, "auto_protect_radius"),
     EXPLOSIVE_RADIUS(Double.class, "explosive_radius"),
     NUKE_MONITOR_RANGE(Double.class, "nuke_monitor_range"),
+    AUTOKICK_THRESHOLD(Double.class, "autokick_threshold"),
     //
     FREECAM_TRIGGER_COUNT(Integer.class, "freecam_trigger_count"),
     MOB_LIMITER_MAX(Integer.class, "mob_limiter_max"),
     NUKE_MONITOR_COUNT_BREAK(Integer.class, "nuke_monitor_count_break"),
     NUKE_MONITOR_COUNT_PLACE(Integer.class, "nuke_monitor_count_place"),
     HTTPD_PORT(Integer.class, "httpd_port"),
+    AUTOKICK_TIME(Integer.class, "autokick_time"),
     //
     FLATLANDS_GENERATION_PARAMS(String.class, "flatlands_generation_params"),
     LOGS_REGISTER_PASSWORD(String.class, "logs_register_password"),

src/me/StevenLawson/TotalFreedomMod/TFM_EssentialsBridge.java

@@ -70,6 +70,40 @@ public class TFM_EssentialsBridge
         }
     }
 
+    public long getLastActivity(String username)
+    {
+        try
+        {
+            final User user = getEssentialsUser(username);
+            if (user != null)
+            {
+                return TFM_Util.getField(user, "lastActivity");
+            }
+        }
+        catch (Exception ex)
+        {
+            TFM_Log.severe(ex);
+        }
+        return 0L;
+    }
+
+    public boolean isEssentialsEnabled()
+    {
+        try
+        {
+            final Essentials essentials = getEssentialsPlugin();
+            if (essentials != null)
+            {
+                return essentials.isEnabled();
+            }
+        }
+        catch (Exception ex)
+        {
+            TFM_Log.severe(ex);
+        }
+        return false;
+    }
+
     public static TFM_EssentialsBridge getInstance()
     {
         return TFM_EssentialsBridgeHolder.INSTANCE;

src/me/StevenLawson/TotalFreedomMod/TFM_Heartbeat.java

@@ -7,6 +7,7 @@ import org.bukkit.scheduler.BukkitRunnable;
 
 public class TFM_Heartbeat extends BukkitRunnable
 {
+    private static final long AUTO_KICK_TIME = (long) TFM_ConfigEntry.AUTOKICK_TIME.getInteger() * 1000L;
     private final TotalFreedomMod plugin;
     private final Server server;
     private static Long lastRan = null;
@@ -27,12 +28,27 @@ public class TFM_Heartbeat extends BukkitRunnable
     {
         lastRan = System.currentTimeMillis();
 
+        final TFM_EssentialsBridge essentialsBridge = TFM_EssentialsBridge.getInstance();
+        final boolean doAwayKickCheck =
+                TFM_ConfigEntry.AUTOKICK_ENABLED.getBoolean()
+                && essentialsBridge.isEssentialsEnabled()
+                && ((server.getOnlinePlayers().length / server.getMaxPlayers()) > TFM_ConfigEntry.AUTOKICK_THRESHOLD.getDouble());
+
         for (Player player : server.getOnlinePlayers())
         {
-            TFM_PlayerData playerdata = TFM_PlayerData.getPlayerData(player);
+            final TFM_PlayerData playerdata = TFM_PlayerData.getPlayerData(player);
             playerdata.resetMsgCount();
             playerdata.resetBlockDestroyCount();
             playerdata.resetBlockPlaceCount();
+
+            if (doAwayKickCheck)
+            {
+                final long lastActivity = essentialsBridge.getLastActivity(player.getName());
+                if (lastActivity > 0 && lastActivity + AUTO_KICK_TIME < System.currentTimeMillis())
+                {
+                    player.kickPlayer("Automatically kicked by server for inactivity.");
+                }
+            }
         }
 
         if (TFM_ConfigEntry.AUTO_ENTITY_WIPE.getBoolean())