!

drasyl-core/src/main/java/org/drasyl/channel/arq/StopAndWaitArqHandler.java

@@ -93,10 +93,9 @@ public class StopAndWaitArqHandler extends ChannelDuplexHandler {
                             final Object msg) {
         if (msg instanceof StopAndWaitArqData) {
             final StopAndWaitArqData data = (StopAndWaitArqData) msg;
-            LOG.trace("[{}] Got {}", ctx.channel().id().asShortText(), data);
-
             if (inboundSequenceNo == data.sequenceNo()) {
-                LOG.trace("DATA ja");
+                LOG.trace("[{}] Got expected {}. Pass through DATA.", ctx.channel().id().asShortText(), data);
+
                 // expected sequence no -> pass DATA inbound
                 ctx.fireChannelRead(msg);
 
@@ -104,7 +103,7 @@ public class StopAndWaitArqHandler extends ChannelDuplexHandler {
                 inboundSequenceNo = !inboundSequenceNo;
             }
             else {
-                LOG.trace("DATA nein");
+                LOG.trace("[{}] Got unexpected {}. Drop DATA.", ctx.channel().id().asShortText(), data);
             }
 
             // reply with ACK
@@ -112,16 +111,15 @@ public class StopAndWaitArqHandler extends ChannelDuplexHandler {
         }
         else if (msg instanceof StopAndWaitArqAck) {
             final StopAndWaitArqAck ack = (StopAndWaitArqAck) msg;
-            LOG.trace("[{}] Got {}", ctx.channel().id().asShortText(), ack);
 
             final Boolean outboundSequenceNo = outboundSequenceNo();
             if (outboundSequenceNo != null && outboundSequenceNo == ack.sequenceNo()) {
-                LOG.trace("ACK ja");
+                LOG.trace("[{}] Got expected {}. Succeed DATA.", ctx.channel().id().asShortText(), ack);
                 succeedCurrentWrite();
                 writeNextPending(ctx);
             }
             else {
-                LOG.trace("ACK nein");
+                LOG.trace("[{}] Got unexpected {}. Ignore.", ctx.channel().id().asShortText(), ack);
             }
         }
         else {