Added logging to MessageBuffer.

core/src/main/scala/com/nutomic/ensichat/core/util/MessageBuffer.scala

@@ -3,6 +3,7 @@ package com.nutomic.ensichat.core.util
 import java.util.{TimerTask, Timer}
 
 import com.nutomic.ensichat.core.{Address, Message}
+import com.typesafe.scalalogging.Logger
 import org.joda.time.{Seconds, DateTime, Duration}
 
 /**
@@ -10,6 +11,8 @@ import org.joda.time.{Seconds, DateTime, Duration}
   */
 class MessageBuffer(localAddress: Address, retryMessageSending: (Address) => Unit) {
 
+  private val logger = Logger(this.getClass)
+
   /**
     * The maximum number of times we retry to deliver a message.
     */
@@ -38,6 +41,7 @@ class MessageBuffer(localAddress: Address, retryMessageSending: (Address) => Uni
     val newEntry = new BufferEntry(msg, DateTime.now, retryCount)
     values += newEntry
     retryMessage(newEntry)
+    logger.info(s"Added message to buffer, now ${values.size} messages stored")
   }
 
   /**
@@ -91,9 +95,13 @@ class MessageBuffer(localAddress: Address, retryMessageSending: (Address) => Uni
   def getAllMessages: Set[Message] = values.map(_.message)
 
   private def handleTimeouts(): Unit = {
+    val sizeBefore = values.size
     values = values.filter { e =>
       e.retryCount < MaxRetryCount && e.message.header.origin != localAddress
     }
+    val difference = values.size - sizeBefore
+    if (difference > 0)
+      logger.info(s"Removed $difference message(s), now ${values.size} messages stored")
   }
 
 }