REM: Add publishing time to publisher log (#295)

Information message contains information about time needed to
communicate with MB. Publishing time has been added to
publisher log.

publish-common/src/main/java/com/ericsson/eiffel/remrem/publish/helper/RabbitMqProperties.java

@@ -20,6 +20,7 @@
 import java.net.URISyntaxException;
 import java.security.KeyManagementException;
 import java.security.NoSuchAlgorithmException;
+import java.time.Duration;
 import java.util.*;
 import java.util.concurrent.TimeoutException;
 
@@ -632,9 +633,18 @@ public void send(String routingKey, String msg, String eventId)
                     : MessageProperties.BASIC;
 
         try {
+            long publishStartTime = System.nanoTime();
             channel.basicPublish(exchangeName, routingKey, msgProps, msg.getBytes());
-            log.info("Published message {} with size {} bytes on exchange '{}' with routing key '{}'", eventId,
-                    msg.getBytes().length, exchangeName, routingKey);
+            long publishEndTime = System.nanoTime();
+            long diff = publishEndTime - publishStartTime;
+            Duration durationInNanos = Duration.ofNanos(diff);
+            String duration = String.format("%d:%02d:%02d.%03d",
+                    durationInNanos.toHours(),
+                    durationInNanos.toMinutesPart(),
+                    durationInNanos.toSecondsPart(),
+                    durationInNanos.toMillisPart());
+            log.info("Published message {} with size {} bytes on exchange '{}' with routing key '{}' with the duration of '{}'", eventId,
+                    msg.getBytes().length, exchangeName, routingKey, duration);
             if (waitForConfirmsTimeOut == null || waitForConfirmsTimeOut == 0) {
                 waitForConfirmsTimeOut = DEFAULT_WAIT_FOR_CONFIRMS_TIMEOUT;
             }
@@ -712,4 +722,4 @@ public String getTypeRoutingKeyFromConfiguration(String eventType) {
     }
 
 
-}
+}