next try for a better restart

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@3941 6c8d7289-2bf4-0310-a012-ef5d649a1542

source/de/anomic/server/serverSystem.java

@@ -48,6 +48,10 @@ import java.lang.reflect.Constructor;
 import java.lang.reflect.Method;
 import java.util.Hashtable;
 import java.util.Properties;
+import java.util.Vector;
+
+import de.anomic.plasma.plasmaSwitchboard;
+import de.anomic.server.logging.serverLog;
 
 public final class serverSystem {
 
@@ -326,6 +330,40 @@ public final class serverSystem {
 	}
     }
 
+    public static void deployScript(File scriptFile, String theScript) throws IOException {
+        serverFileUtils.write(theScript.getBytes(), scriptFile);
+        try {
+            Runtime.getRuntime().exec("chmod 755 " + scriptFile.getAbsolutePath()).waitFor();
+        } catch (InterruptedException e) {
+            throw new IOException(e.getMessage());
+        }
+    }
+    
+    public static void execAsynchronous(File scriptFile) throws IOException {
+        // runs a unix/linux script as separate thread
+        File starterFile = new File(scriptFile.getAbsolutePath() + ".starter.sh");
+        deployScript(starterFile, scriptFile.getAbsolutePath() + " &");
+        try {
+            Runtime.getRuntime().exec(starterFile.getAbsolutePath()).waitFor();
+        } catch (InterruptedException e) {
+            throw new IOException(e.getMessage());
+        }
+        starterFile.delete();
+    }
+    
+    public static Vector execSynchronous(String command) throws IOException {
+        // runs a unix/linux command and returns output as Vector of Strings
+        // this method blocks until the command is executed
+        Process p = Runtime.getRuntime().exec(command);
+        BufferedReader in = new BufferedReader(new InputStreamReader(p.getInputStream()));
+        String text;
+        Vector output = new Vector();
+        while ((text = in.readLine()) != null) {
+            output.add(text);
+        }
+        return output;
+    }
+    
     public static void main(String[] args) {
 	//try{System.getProperties().list(new PrintStream(new FileOutputStream(new File("system.properties.txt"))));} catch (FileNotFoundException e) {}
 	//System.out.println("nullstr=" + macMRJOSNullObj.toString());

source/de/anomic/yacy/yacyVersion.java

@@ -284,6 +284,22 @@ public final class yacyVersion implements Comparator, Comparable {
             
         }
 
+        if (serverSystem.canExecUnix) {
+            // start a re-start daemon
+            try {
+                serverLog.logInfo("RESTART", "INITIATED");
+                String script = "cd " + plasmaSwitchboard.getSwitchboard().getRootPath() + "/DATA/RELEASE/;while [ -e ../yacy.running ]; do sleep 1;done;cd ../../;./startYACY.sh";
+                File scriptFile = new File(plasmaSwitchboard.getSwitchboard().getRootPath(), "DATA/RELEASE/restart.sh");
+                serverSystem.deployScript(scriptFile, script);
+                serverLog.logInfo("RESTART", "wrote restart-script to " + scriptFile.getAbsolutePath());
+                serverSystem.execAsynchronous(scriptFile);
+                serverLog.logInfo("RESTART", "script is running");
+                plasmaSwitchboard.getSwitchboard().terminate(5000);
+            } catch (IOException e) {
+                serverLog.logSevere("RESTART", "restart failed", e);
+            }
+        }
+/*
         if (serverSystem.canExecUnix) {
             // start a re-start daemon
             try {
@@ -293,13 +309,7 @@ public final class yacyVersion implements Comparator, Comparable {
                 serverFileUtils.write(script.getBytes(), scriptFile);
                 serverLog.logInfo("RESTART", "wrote restart-script to " + scriptFile.getAbsolutePath());
                 Runtime.getRuntime().exec("chmod 755 " + scriptFile.getAbsolutePath()).waitFor();
-                /*Process p =*/ Runtime.getRuntime().exec(scriptFile.getAbsolutePath() + " &");
-                /*serverLog.logInfo("RESTART", "script started");
-                BufferedReader in = new BufferedReader(new InputStreamReader(p.getInputStream()));
-                String text;
-                while ((text = in.readLine()) != null) {
-                    serverLog.logInfo("RESTART", " SCRIPT-LOG " + text);
-                }*/
+                Runtime.getRuntime().exec(scriptFile.getAbsolutePath() + " &");
                 serverLog.logInfo("RESTART", "script is running");
                 plasmaSwitchboard.getSwitchboard().terminate(5000);
             } catch (IOException e) {
@@ -308,6 +318,7 @@ public final class yacyVersion implements Comparator, Comparable {
                 serverLog.logSevere("RESTART", "restart failed", e);
             }
         }
+*/
     }