Add roundtrip time, fix version im manifest and update changelog

CHANGELOG.md

@@ -1,9 +1,24 @@
-## Alpha 0.9.18 (2018-??-??) WIP - SNAPSHOT
+## Alpha 0.9.19 (2018-11-03)
+
+Features:
+
+  - add JSerialComm as additional serial driver
+  - add send/receive roundtrip time to controller
+  - Update DTO objects
+  - add divider property to DTO
+  - change java level to 1.8
+
+Bugfixes:
+
+  - fix "indirectly referenced" issue on extern bundles
+
+## Alpha 0.9.18 (2018-06-10)
 
 Features:
 
   - add bruteforce analyzer to decode data with all data types (internal only)
   - add watchdog timer to all eBus connections, default is 5mins at the moment
+  - add new controller exception to harden thread handling
 
 Bugfixes:
 

META-INF/MANIFEST.MF

@@ -3,7 +3,7 @@ Automatic-Module-Name: de.csdev.ebus
 Bundle-ManifestVersion: 2
 Bundle-Name: eBUS 4 Java
 Bundle-SymbolicName: de.csdev.ebus;singleton:=true
-Bundle-Version: 0.9.18.qualifier
+Bundle-Version: 0.9.19.qualifier
 Bundle-RequiredExecutionEnvironment: JavaSE-1.8
 Import-Package: com.google.gson,
  com.google.gson.annotations,

src/main/java/de/csdev/ebus/core/EBusController.java

@@ -34,6 +34,8 @@ public class EBusController extends EBusControllerBase {
     /** counts the re-connection tries */
     private int reConnectCounter = 0;
 
+    private long sendRoundTrip = -1;
+
     public EBusController(IEBusConnection connection) {
         super(connection);
     }
@@ -45,6 +47,10 @@ public Integer addToSendQueue(byte[] buffer, int maxAttemps) throws EBusControll
         return queue.addToSendQueue(buffer, maxAttemps);
     }
 
+    public long getLastSendReceiveRoundtripTime() {
+        return sendRoundTrip;
+    }
+
     /**
      * @param buffer
      * @return
@@ -292,13 +298,23 @@ private void send(boolean secondTry) throws IOException {
             connection.reset();
 
             // send command
-            // for (int i = 0; i < dataOutputBuffers.length; i++) {
             byte b = dataOutputBuffers[0];
 
-            logger.trace("Send {}", EBusUtils.toHexDumpString(b));
+            if (logger.isTraceEnabled()) {
+                logger.trace("Send {}", EBusUtils.toHexDumpString(b));
+            }
+
+            // store nao time to messure send receive roundtrip time
+            long startTime = System.nanoTime();
+
             connection.writeByte(b);
 
             readByte = (byte) (connection.readByte(true) & 0xFF);
+
+            // clacule send receive roundtrip time in ns
+            sendRoundTrip = System.nanoTime() - startTime;
+
+            // update the state machine
             sendMachine.update(readByte);
 
             if (b != readByte) {