src/jdk.incubator.httpclient/share/classes/jdk/incubator/http/WindowUpdateSender.java

*** 1,7 ****
  /*
!  * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
--- 1,7 ----
  /*
!  * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
*** 22,38 ****
--- 22,43 ----
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   */
  package jdk.incubator.http;
  
+ import java.lang.System.Logger.Level;
  import jdk.incubator.http.internal.frame.SettingsFrame;
  import jdk.incubator.http.internal.frame.WindowUpdateFrame;
+ import jdk.incubator.http.internal.common.Utils;
  
  import java.util.concurrent.atomic.AtomicInteger;
  
  abstract class WindowUpdateSender {
  
+     final static boolean DEBUG = Utils.DEBUG;
+     final System.Logger debug =
+             Utils.getDebugLogger(this::dbgString, DEBUG);
  
      final int limit;
      final Http2Connection connection;
      final AtomicInteger received = new AtomicInteger(0);
  
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      }
  
      abstract int getStreamId();
  
      void update(int delta) {
+         debug.log(Level.DEBUG, "update: %d", delta);
          if (received.addAndGet(delta) > limit) {
              synchronized (this) {
                  int tosend = received.get();
                  if( tosend > limit) {
                      received.getAndAdd(-tosend);
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              }
          }
      }
  
      void sendWindowUpdate(int delta) {
+         debug.log(Level.DEBUG, "sending window update: %d", delta);
          connection.sendUnorderedFrame(new WindowUpdateFrame(getStreamId(), delta));
      }
  
+     String dbgString() {
+         return "WindowUpdateSender(stream: " + getStreamId() + ")";
+     }
  
  }