1 /*
   2  * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 package org.graalvm.compiler.salver.dumper;
  24 
  25 import java.io.IOException;
  26 
  27 import org.graalvm.compiler.salver.Salver;
  28 import org.graalvm.compiler.salver.data.DataDict;
  29 
  30 public class AbstractGraalDumper extends AbstractSerializerDumper {
  31 
  32     public static final String EVENT_NAMESPACE = "graal";
  33 
  34     private int eventCounter;
  35 
  36     public void beginDump() throws IOException {
  37         beginDump(EVENT_NAMESPACE);
  38     }
  39 
  40     protected void beginDump(String namespace) throws IOException {
  41         beginDump(namespace, getBeginDumpDataDict());
  42     }
  43 
  44     protected void beginDump(String namespace, DataDict dataDict) throws IOException {
  45         DataDict eventDict = createEventDict(":begin");
  46         eventDict.put("@time", System.currentTimeMillis());
  47         eventDict.put("@ecid", Salver.ECID);
  48         if (namespace != null) {
  49             eventDict.put("@namespace", namespace);
  50         }
  51         if (dataDict != null) {
  52             eventDict.put("@data", dataDict);
  53         }
  54         serializeAndFlush(eventDict);
  55     }
  56 
  57     protected DataDict getBeginDumpDataDict() {
  58         DataDict dataDict = new DataDict();
  59         dataDict.put("dumper", getClass().getSimpleName());
  60         dataDict.put("thread", Thread.currentThread().getName());
  61         return dataDict;
  62     }
  63 
  64     public void endDump() throws IOException {
  65         DataDict eventDict = createEventDict(":end");
  66         eventDict.put("@time", System.currentTimeMillis());
  67         serializeAndFlush(eventDict);
  68     }
  69 
  70     @Override
  71     public void close() throws IOException {
  72         endDump();
  73     }
  74 
  75     protected DataDict createEventDict(String name) {
  76         DataDict eventDict = new DataDict();
  77         eventDict.put("@event", name);
  78         eventDict.put("@n", eventCounter++);
  79         return eventDict;
  80     }
  81 
  82     protected DataDict createEventDict(String name, DataDict data) {
  83         DataDict eventDict = createEventDict(name);
  84         eventDict.put("@data", data);
  85         return eventDict;
  86     }
  87 }