reduced waiting CPU impact

src/explorviz/live_trace_processing/connector/TCPConnector.java

@@ -6,7 +6,6 @@ import java.net.MalformedURLException;
 import java.net.URL;
 import java.nio.ByteBuffer;
 import java.nio.channels.SocketChannel;
-import java.util.concurrent.locks.LockSupport;
 
 import explorviz.live_trace_processing.Constants;
 import explorviz.live_trace_processing.StringRegistry;
@@ -66,7 +65,10 @@ IRecordSender {
 	@Override
 	public void connect() throws IOException {
 		while (shouldDisconnect) {
-			LockSupport.parkNanos(1);
+			try {
+				Thread.sleep(1);
+			} catch (final InterruptedException e) {
+			}
 		}
 
 		socketChannel = SocketChannel.open(new InetSocketAddress(getProviderURL().getHost(),
@@ -101,7 +103,10 @@ IRecordSender {
 	@Override
 	public void send(final ByteBuffer buffer) {
 		while ((socketChannel == null) || (!socketChannel.isConnected())) {
-			LockSupport.parkNanos(1);
+			try {
+				Thread.sleep(1);
+			} catch (final InterruptedException e) {
+			}
 		}
 
 		try {

src/explorviz/live_trace_processing/reader/TCPReader.java

@@ -9,7 +9,6 @@ import java.util.Iterator;
 import java.util.List;
 import java.util.Queue;
 import java.util.concurrent.TimeUnit;
-import java.util.concurrent.locks.LockSupport;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -69,7 +68,10 @@ public final class TCPReader implements IPeriodicTimeSignalReceiver {
 			recordArrayEvent.getValues()[0] = new TimedPeriodRecord();
 			recordArrayEvent.setValueSize(1);
 			while (!queue.offer(recordArrayEvent)) {
-				LockSupport.parkNanos(1);
+				try {
+					Thread.sleep(1);
+				} catch (final InterruptedException e) {
+				}
 			}
 			merger.deregisterProducer(queue);
 		}

src/explorviz/live_trace_processing/reader/TCPReaderOneClient.java

@@ -7,7 +7,6 @@ import java.nio.channels.SocketChannel;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Queue;
-import java.util.concurrent.locks.LockSupport;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -725,7 +724,10 @@ class TCPReaderOneClient extends Thread {
 				arrayEvent.setValueSize(outputBufferIndex);
 
 				while (!queue.offer(arrayEvent)) {
-					LockSupport.parkNanos(1);
+					try {
+						Thread.sleep(1);
+					} catch (final InterruptedException e) {
+					}
 				}
 
 				outputBuffer = savedBuffer;