Added mDNS Daemon which will resolve hal.local domain

hal-core/src/se/hal/HalServer.java

@@ -124,7 +124,6 @@ public class HalServer {
                 logger.info("External https server up and running at: " + externalServerUrl);
             } else {
                 logger.warning("Missing '" + CONFIG_HTTP_EXTERNAL_PORT + "' and '" + CONFIG_HTTP_EXTERNAL_DOMAIN + "' configuration, will not setup external http server.");
-                return;
             }
 
             // ------------------------------------

hal-core/src/se/hal/daemon/HalMulticastDnsDaemon.java

@@ -0,0 +1,30 @@
+package se.hal.daemon;
+
+import se.hal.intf.HalDaemon;
+import zutil.log.LogUtil;
+import zutil.net.dns.MulticastDnsServer;
+
+import java.io.IOException;
+import java.net.InetAddress;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+
+public class HalMulticastDnsDaemon implements HalDaemon {
+    private static final Logger logger = LogUtil.getLogger();
+
+    private MulticastDnsServer server;
+
+    @Override
+    public void initiate(ScheduledExecutorService executor) {
+        try {
+            server = new MulticastDnsServer();
+            server.addEntry("hal.local", InetAddress.getLocalHost());
+            server.start();
+        } catch (IOException e) {
+            logger.log(Level.SEVERE, "Was unable to start mDNS Server.", e);
+        }
+    }
+
+}

hal-core/src/se/hal/daemon/SensorDataAggregatorDaemon.java

@@ -26,7 +26,7 @@ import java.util.concurrent.TimeUnit;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-public class SensorDataAggregatorDaemon implements HalDaemon {
+public class SensorDataAggregatorDaemon implements HalDaemon, Runnable {
     private static final Logger logger = LogUtil.getLogger();
 
     public enum AggregationPeriodLength{

hal-core/src/se/hal/daemon/SensorDataCleanupDaemon.java

@@ -19,7 +19,7 @@ import java.util.concurrent.TimeUnit;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-public class SensorDataCleanupDaemon implements HalDaemon {
+public class SensorDataCleanupDaemon implements HalDaemon, Runnable {
     private static final Logger logger = LogUtil.getLogger();
 
     public void initiate(ScheduledExecutorService executor){
@@ -44,7 +44,7 @@ public class SensorDataCleanupDaemon implements HalDaemon {
         if (sensor.getUser() != null) {
             cleanupSensorData(sensor.getId(), AggregationPeriodLength.FIVE_MINUTES, UTCTimeUtility.DAY_IN_MS);	//clear 5-minute data older than a day
             cleanupSensorData(sensor.getId(), AggregationPeriodLength.HOUR, UTCTimeUtility.WEEK_IN_MS);			//clear 1-hour data older than a week
-            //cleanupSensorData(sensor.getId(), AggregationPeriodLength.day, TimeUtility.INFINITY);			//clear 1-day data older than infinity
+            //cleanupSensorData(sensor.getId(), AggregationPeriodLength.day, TimeUtility.INFINITY);			    //clear 1-day data older than infinity
             //cleanupSensorData(sensor.getId(), AggregationPeriodLength.week, TimeUtility.INFINITY);			//clear 1-week data older than infinity
         }
     }
@@ -54,10 +54,10 @@ public class SensorDataCleanupDaemon implements HalDaemon {
      * Will clear periods if they are too old.
      *
      * @param sensorId
-     * @Param clearPeriodlength Will clear periods with this length
+     * @Param cleanupPeriodLength Will clear periods with this length
      * @param olderThan Data must be older than this many ms to be cleared from the DB
      */
-    private void cleanupSensorData(long sensorId, AggregationPeriodLength cleanupPeriodlength, long olderThan){
+    private void cleanupSensorData(long sensorId, AggregationPeriodLength cleanupPeriodLength, long olderThan){
         DBConnection db = HalContext.getDB();
         PreparedStatement stmt = null;
         try {
@@ -67,7 +67,7 @@ public class SensorDataCleanupDaemon implements HalDaemon {
                         + "AND timestamp_end-timestamp_start == ?"
                         + "AND timestamp_end < ?");
             stmt.setLong(1, sensorId);
-            switch(cleanupPeriodlength){
+            switch(cleanupPeriodLength){
                 case SECOND: stmt.setLong(2, UTCTimeUtility.SECOND_IN_MS-1); break;
                 case MINUTE: stmt.setLong(2, UTCTimeUtility.MINUTE_IN_MS-1); break;
                 case FIVE_MINUTES: stmt.setLong(2, UTCTimeUtility.FIVE_MINUTES_IN_MS-1); break;

hal-core/src/se/hal/intf/HalDaemon.java

@@ -5,7 +5,7 @@ import java.util.concurrent.ScheduledExecutorService;
 /**
  * Defines a standalone process that will run parallel to the main application
  */
-public interface HalDaemon extends Runnable {
+public interface HalDaemon {
 
     /**
      * Setup the execution of the daemon with the provided executor.

hal-core/src/se/hal/plugin.json

@@ -3,11 +3,12 @@
 	"name": "Hal-Core",
 	"description": "Plugin contains core logic for running Hal.",
 	"interfaces": [
-		{"se.hal.intf.HalDatabaseUpgrade":  "se.hal.HalCoreDatabaseUpgrade"},
+		{"se.hal.intf.HalDatabaseUpgrade": "se.hal.HalCoreDatabaseUpgrade"},
 
-		{"se.hal.intf.HalAbstractControllerManager":  "se.hal.EventControllerManager"},
-		{"se.hal.intf.HalAbstractControllerManager":  "se.hal.SensorControllerManager"},
+		{"se.hal.intf.HalAbstractControllerManager": "se.hal.EventControllerManager"},
+		{"se.hal.intf.HalAbstractControllerManager": "se.hal.SensorControllerManager"},
 
+        {"se.hal.intf.HalDaemon": "se.hal.daemon.HalMulticastDnsDaemon"},
         {"se.hal.intf.HalDaemon": "se.hal.daemon.SensorDataAggregatorDaemon"},
         {"se.hal.intf.HalDaemon": "se.hal.daemon.SensorDataCleanupDaemon"},
 
@@ -29,6 +30,7 @@
 		{"se.hal.intf.HalTrigger": "se.hal.trigger.EventTrigger"},
 		{"se.hal.intf.HalTrigger": "se.hal.trigger.SensorTrigger"},
 		{"se.hal.intf.HalTrigger": "se.hal.trigger.TimerTrigger"},
+
 		{"se.hal.intf.HalAction": "se.hal.action.SendEventAction"}
 	]
 }