Fix issue on LWM2M Security Store

@@ -134,8 +134,8 @@ public class OtaPackageTransportResource extends AbstractCoapTransportResource {
             response.setPayload(data);
             if (exchange.getRequestOptions().getBlock2() != null) {
                 int chunkSize = exchange.getRequestOptions().getBlock2().getSzx();
-                boolean moreFlag = data.length > chunkSize;
-                response.getOptions().setBlock2(chunkSize, moreFlag, 0);
+                boolean lastFlag = data.length > chunkSize;
+                response.getOptions().setBlock2(chunkSize, lastFlag, 0);
             }
             exchange.respond(response);
         }

@@ -143,9 +143,9 @@ public class LwM2mTransportCoapResource extends AbstractLwM2mTransportResource {
             response.setPayload(fwData);
             if (exchange.getRequestOptions().getBlock2() != null) {
                 int chunkSize = exchange.getRequestOptions().getBlock2().getSzx();
-                boolean moreFlag = fwData.length > chunkSize;
-                response.getOptions().setBlock2(chunkSize, moreFlag, 0);
-                log.warn("92) with blokc2 Send currentId: [{}], length: [{}], chunkSize [{}], moreFlag [{}]", currentId.toString(), fwData.length, chunkSize, moreFlag);
+                boolean lastFlag = fwData.length > chunkSize;
+                response.getOptions().setBlock2(chunkSize, lastFlag, 0);
+                log.warn("92) with blokc2 Send currentId: [{}], length: [{}], chunkSize [{}], moreFlag [{}]", currentId.toString(), fwData.length, chunkSize, lastFlag);
             }
             else {
                 log.warn("92) with block1 Send currentId: [{}], length: [{}], ", currentId.toString(), fwData.length);

@@ -76,32 +76,11 @@ public class LwM2mTransportServerHelper {
         return TimeUnit.MILLISECONDS.toSeconds(System.currentTimeMillis()) * 1000L + (atomicTs.getAndIncrement() % 1000);
     }
 
-    /**
-     * send to Thingsboard Attribute || Telemetry
-     *
-     * @param msg - JsonObject: [{name: value}]
-     * @return - dummyWriteReplace {\"targetIdVer\":\"/19_1.0/0/0\",\"value\":0082}
-     */
-    private <T> TransportServiceCallback<Void> getPubAckCallbackSendAttrTelemetry(final T msg) {
-        return new TransportServiceCallback<>() {
-            @Override
-            public void onSuccess(Void dummy) {
-                log.trace("Success to publish msg: {}, dummy: {}", msg, dummy);
-            }
-
-            @Override
-            public void onError(Throwable e) {
-                log.trace("[{}] Failed to publish msg: {}", msg, e);
-            }
-        };
-    }
-
     public void sendParametersOnThingsboardAttribute(List<TransportProtos.KeyValueProto> result, SessionInfoProto sessionInfo) {
         PostAttributeMsg.Builder request = PostAttributeMsg.newBuilder();
         request.addAllKv(result);
         PostAttributeMsg postAttributeMsg = request.build();
-        TransportServiceCallback call = this.getPubAckCallbackSendAttrTelemetry(postAttributeMsg);
-        context.getTransportService().process(sessionInfo, postAttributeMsg, this.getPubAckCallbackSendAttrTelemetry(call));
+        context.getTransportService().process(sessionInfo, postAttributeMsg, TransportServiceCallback.EMPTY);
     }
 
     public void sendParametersOnThingsboardTelemetry(List<TransportProtos.KeyValueProto> result, SessionInfoProto sessionInfo) {
@@ -111,8 +90,7 @@ public class LwM2mTransportServerHelper {
         builder.addAllKv(result);
         request.addTsKvList(builder.build());
         PostTelemetryMsg postTelemetryMsg = request.build();
-        TransportServiceCallback call = this.getPubAckCallbackSendAttrTelemetry(postTelemetryMsg);
-        context.getTransportService().process(sessionInfo, postTelemetryMsg, this.getPubAckCallbackSendAttrTelemetry(call));
+        context.getTransportService().process(sessionInfo, postTelemetryMsg, TransportServiceCallback.EMPTY);
     }
 
     /**

@@ -85,6 +85,7 @@ public class TbLwM2mSecurityStore implements TbEditableSecurityStore {
 
     @Override
     public void remove(String endpoint) {
-        securityStore.remove(endpoint);
+        //TODO: Make sure we delay removal of security store from endpoint due to reg/unreg race condition.
+//        securityStore.remove(endpoint);
     }
 }