fixing renderText script

lanDiscover/source/functions.pde

@@ -0,0 +1,63 @@
+
+void pingAll() {
+  Y=20;
+
+  pingers = new ArrayList();
+  hosts = new ArrayList();
+  for (int i =0 ; i < pingers.size();i++) {
+ Thread t = (Thread)pingers.get(i);
+    t.stop();
+      
+  }
+  
+
+  for (int i = 1 ; i < 255;i++) {
+    String addr = prefix+i;
+    pingers.add(new Thread(new Pinger(addr)));
+  }
+
+  for (int i =0 ; i < pingers.size();i++) {
+    Thread t = (Thread)pingers.get(i);
+    t.start();
+  }
+}
+
+void nmapTarget(Host h) {
+  Thread t = new Thread(new Nmapper(h));
+  t.start();
+}
+
+
+String getPrefix(String name) {
+
+  String _prefix = "";
+  try {
+    try {
+      NetworkInterface ni = NetworkInterface.getByName(name);
+
+      Enumeration ia = ni.getInetAddresses();  
+
+      while (ia.hasMoreElements ()) {
+        InetAddress elem = (InetAddress)ia.nextElement();
+        if (elem instanceof Inet4Address) {
+
+          //String str = " hostname: "+ elem.getHostAddress();
+          //println(str);
+          String str = elem.getHostAddress();
+          // println(str);
+
+          _prefix = ""+str.substring(0, str.lastIndexOf(".")+1);
+        }
+      }
+    }
+    catch(Exception e) {
+      println("error vole! "+e);
+    }
+  } 
+  catch (NullPointerException e) {
+    System.out.println("Retrieving Information from NetworkInterface failed");
+  }
+
+  return _prefix;
+}
+