*) Improvements for restart via update wrapper

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@3785 6c8d7289-2bf4-0310-a012-ef5d649a1542

htroot/Steering.java

@@ -73,7 +73,7 @@ public class Steering {
         }
 
         if (post.containsKey("shutdown")) {
-        	if (sb.updaterCallback != null) { sb.updaterCallback.signalYaCyShutdown(); }
+        	if (sb.updaterCallback != null) { sb.setConfig("Updater.restartSignal", 0); }
             sb.terminate(3000);
             prop.put("info", 3);
             return prop;
@@ -94,9 +94,9 @@ public class Steering {
         	}
         	
             if (sb.updaterCallback != null) { 
-            	sb.updaterCallback.signalYaCyRestart();
+            	sb.setConfig("Updater.shutdownSignal", 1);
             } else {
-            	serverLog.logWarning("SHUTDOWN", "ERROR: no wrapper/updater running! Performing a normal shutdown...");
+            	serverLog.logWarning("SHUTDOWN", "No wrapper/updater running! Performing a normal shutdown...");
              }
             
         	sb.terminate(5000);

source/de/anomic/plasma/plasmaSwitchboard.java

@@ -1679,8 +1679,14 @@ public final class plasmaSwitchboard extends serverAbstractSwitch implements ser
         errorURL.close();
         wordIndex.close();
         yc.close();
-        // signal shudown to the updater
-        if (updaterCallback != null) updaterCallback.signalYaCyShutdown();
+        // signal shutdown to the updater
+        if (updaterCallback != null) {
+        	if (sb.getConfigLong("Updater.shutdownSignal", -1) == 0)
+        		updaterCallback.signalYaCyShutdown();
+        	else if
+        		(sb.getConfigLong("Updater.shutdownSignal", -1) == 1)
+        		updaterCallback.signalYaCyRestart();
+        }
         log.logConfig("SWITCHBOARD SHUTDOWN TERMINATED");
     }
     
@@ -1691,7 +1697,7 @@ public final class plasmaSwitchboard extends serverAbstractSwitch implements ser
     
     public void enQueue(Object job) {
         if (!(job instanceof plasmaSwitchboardQueue.Entry)) {
-            System.out.println("internal error at plasmaSwitchboard.enQueue: wrong job type");
+            System.out.println("Internal error at plasmaSwitchboard.enQueue: wrong job type");
             System.exit(0);
         }
         try {

source/de/anomic/server/serverUpdaterCallback.java

@@ -6,6 +6,7 @@ public interface serverUpdaterCallback {
 	public String getYaCyUpdateReleaseVersion();
 	//public File getYaCyUpdateReleaseFile();
 	public String getYaCyUpdateSource();
+	/** Signal a user initiated YaCy shutdown (not restart!) to the updater so it can terminate itself */
 	public void signalYaCyShutdown();
 	public void signalYaCyRestart();
 }