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src/share/tools/IdealGraphVisualizer/Data/src/com/sun/hotspot/igv/data/serialization/BinaryParser.java

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   1 /*
   2  * Copyright (c) 2012, 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.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 package com.sun.hotspot.igv.data.serialization;
  26 
  27 import com.sun.hotspot.igv.data.*;
  28 import com.sun.hotspot.igv.data.Properties;
  29 import com.sun.hotspot.igv.data.services.GroupCallback;
  30 import java.io.EOFException;
  31 import java.io.IOException;
  32 import java.nio.ByteBuffer;
  33 import java.nio.channels.ReadableByteChannel;

  34 import java.util.*;
  35 import java.util.regex.Matcher;
  36 import java.util.regex.Pattern;
  37 import javax.swing.SwingUtilities;
  38 import java.security.MessageDigest;
  39 import java.security.NoSuchAlgorithmException;
  40 
  41 public class BinaryParser implements GraphParser {
  42     private static final int BEGIN_GROUP = 0x00;
  43     private static final int BEGIN_GRAPH = 0x01;
  44     private static final int CLOSE_GROUP = 0x02;
  45 
  46     private static final int POOL_NEW = 0x00;
  47     private static final int POOL_STRING = 0x01;
  48     private static final int POOL_ENUM = 0x02;
  49     private static final int POOL_CLASS = 0x03;
  50     private static final int POOL_METHOD = 0x04;
  51     private static final int POOL_NULL = 0x05;
  52     private static final int POOL_NODE_CLASS = 0x06;
  53     private static final int POOL_FIELD = 0x07;
  54     private static final int POOL_SIGNATURE = 0x08;
  55 
  56     private static final int KLASS = 0x00;
  57     private static final int ENUM_KLASS = 0x01;
  58 
  59     private static final int PROPERTY_POOL = 0x00;
  60     private static final int PROPERTY_INT = 0x01;
  61     private static final int PROPERTY_LONG = 0x02;
  62     private static final int PROPERTY_DOUBLE = 0x03;
  63     private static final int PROPERTY_FLOAT = 0x04;
  64     private static final int PROPERTY_TRUE = 0x05;
  65     private static final int PROPERTY_FALSE = 0x06;
  66     private static final int PROPERTY_ARRAY = 0x07;
  67     private static final int PROPERTY_SUBGRAPH = 0x08;
  68 
  69     private static final String NO_BLOCK = "noBlock";
  70 


  71     private final GroupCallback callback;
  72     private final List<Object> constantPool;
  73     private final ByteBuffer buffer;
  74     private final ReadableByteChannel channel;
  75     private final GraphDocument rootDocument;
  76     private final Deque<Folder> folderStack;
  77     private final Deque<byte[]> hashStack;
  78     private final ParseMonitor monitor;
  79 
  80     private MessageDigest digest;
  81 
  82     private enum Length {
  83         S,
  84         M,
  85         L
  86     }
  87 
  88     private interface LengthToString {
  89         String toString(Length l);
  90     }


 258                     return enumKlass.values[ordinal];
 259                 default:
 260                 case M:
 261                 case L:
 262                     return toString();
 263             }
 264         }
 265     }
 266 
 267     public BinaryParser(ReadableByteChannel channel, ParseMonitor monitor, GraphDocument rootDocument, GroupCallback callback) {
 268         this.callback = callback;
 269         constantPool = new ArrayList<>();
 270         buffer = ByteBuffer.allocateDirect(256 * 1024);
 271         buffer.flip();
 272         this.channel = channel;
 273         this.rootDocument = rootDocument;
 274         folderStack = new LinkedList<>();
 275         hashStack = new LinkedList<>();
 276         this.monitor = monitor;
 277         try {
 278             this.digest = MessageDigest.getInstance("SHA-256");
 279         } catch (NoSuchAlgorithmException e) {
 280         }
 281     }
 282 
 283     private void fill() throws IOException {









 284         buffer.compact();
 285         if (channel.read(buffer) < 0) {
 286             throw new EOFException();
 287         }
 288         buffer.flip();

 289     }
 290 
 291     private void ensureAvailable(int i) throws IOException {



 292         while (buffer.remaining() < i) {
 293             fill();
 294         }
 295         buffer.mark();
 296         byte[] result = new byte[i];
 297         buffer.get(result);
 298         digest.update(result);
 299         buffer.reset();
 300     }
 301 
 302     private int readByte() throws IOException {
 303         ensureAvailable(1);
 304         return ((int)buffer.get()) & 0xff;
 305     }
 306 
 307     private int readInt() throws IOException {
 308         ensureAvailable(4);
 309         return buffer.getInt();
 310     }
 311 
 312     private char readShort() throws IOException {
 313         ensureAvailable(2);
 314         return buffer.getChar();
 315     }
 316 
 317     private long readLong() throws IOException {
 318         ensureAvailable(8);
 319         return buffer.getLong();
 320     }
 321 
 322     private double readDouble() throws IOException {
 323         ensureAvailable(8);
 324         return buffer.getDouble();
 325     }
 326 
 327     private float readFloat() throws IOException {
 328         ensureAvailable(4);
 329         return buffer.getFloat();
 330     }
 331 
 332     private String readString() throws IOException {
 333         int len = readInt();
 334         ensureAvailable(len * 2);
 335         char[] chars = new char[len];
 336         buffer.asCharBuffer().get(chars);
 337         buffer.position(buffer.position() + len * 2);
 338         return new String(chars).intern();
 339     }
 340 
 341     private byte[] readBytes() throws IOException {
 342         int len = readInt();
 343         if (len < 0) {
 344             return null;
 345         }
 346         ensureAvailable(len);
 347         byte[] data = new byte[len];
 348         buffer.get(data);
 349         return data;





 350     }
 351 
 352     private String readIntsToString() throws IOException {
 353         int len = readInt();
 354         if (len < 0) {
 355             return "null";
 356         }
 357         ensureAvailable(len * 4);
 358         StringBuilder sb = new StringBuilder().append('[');
 359         for (int i = 0; i < len; i++) {
 360             sb.append(buffer.getInt());
 361             if (i < len - 1) {
 362                 sb.append(", ");
 363             }
 364         }
 365         sb.append(']');
 366         return sb.toString().intern();
 367     }
 368 
 369     private String readDoublesToString() throws IOException {


 626                 }
 627                 folderStack.pop();
 628                 hashStack.pop();
 629                 break;
 630             }
 631             default:
 632                 throw new IOException("unknown root : " + type);
 633         }
 634     }
 635 
 636     private Group parseGroup(Folder parent) throws IOException {
 637         String name = readPoolObject(String.class);
 638         String shortName = readPoolObject(String.class);
 639         if (monitor != null) {
 640             monitor.setState(shortName);
 641         }
 642         Method method = readPoolObject(Method.class);
 643         int bci = readInt();
 644         Group group = new Group(parent);
 645         group.getProperties().setProperty("name", name);

 646         if (method != null) {
 647             InputMethod inMethod = new InputMethod(group, method.name, shortName, bci);
 648             inMethod.setBytecodes("TODO");
 649             group.setMethod(inMethod);
 650         }
 651         return group;
 652     }
 653 


 654     private InputGraph parseGraph() throws IOException {
 655         if (monitor != null) {
 656             monitor.updateProgress();
 657         }
 658         String title = readPoolObject(String.class);
 659         digest.reset();

 660         InputGraph graph = parseGraph(title);









 661         byte[] d = digest.digest();
 662         byte[] hash = hashStack.peek();
 663         if (hash != null && Arrays.equals(hash, d)) {
 664             graph.getProperties().setProperty("_isDuplicate", "true");
 665         } else {
 666             hashStack.pop();
 667             hashStack.push(d);
 668         }
 669         return graph;
 670     }
 671 









 672     private InputGraph parseGraph(String title) throws IOException {
 673         InputGraph graph = new InputGraph(title);

 674         parseNodes(graph);
 675         parseBlocks(graph);
 676         graph.ensureNodesInBlocks();



 677         return graph;
 678     }
 679 
 680     private void parseBlocks(InputGraph graph) throws IOException {
 681         int blockCount = readInt();
 682         List<Edge> edges = new LinkedList<>();
 683         for (int i = 0; i < blockCount; i++) {
 684             int id = readInt();
 685             String name = id >= 0 ? Integer.toString(id) : NO_BLOCK;
 686             InputBlock block = graph.addBlock(name);
 687             int nodeCount = readInt();
 688             for (int j = 0; j < nodeCount; j++) {
 689                 int nodeId = readInt();
 690                 if (nodeId < 0) {
 691                     continue;
 692                 }
 693                 final Properties properties = graph.getNode(nodeId).getProperties();
 694                 final String oldBlock = properties.get("block");
 695                 if(oldBlock != null) {
 696                     properties.setProperty("block", oldBlock + ", " + name);


 805             props.clear();
 806         }
 807 
 808         Set<InputNode> nodesWithSuccessor = new HashSet<>();
 809 
 810         for (Edge e : succEdges) {
 811             assert !e.input;
 812             char fromIndex = e.num;
 813             nodesWithSuccessor.add(graph.getNode(e.from));
 814             char toIndex = 0;
 815             graph.addEdge(InputEdge.createImmutable(fromIndex, toIndex, e.from, e.to, e.label, e.type));
 816         }
 817         for (Edge e : inputEdges) {
 818             assert e.input;
 819             char fromIndex = (char) (nodesWithSuccessor.contains(graph.getNode(e.from)) ? 1 : 0);
 820             char toIndex = e.num;
 821             graph.addEdge(InputEdge.createImmutable(fromIndex, toIndex, e.from, e.to, e.label, e.type));
 822         }
 823     }
 824 


 825     private String createName(List<Edge> edges, Map<String, Object> properties, String template) {
 826         Pattern p = Pattern.compile("\\{(p|i)#([a-zA-Z0-9$_]+)(/(l|m|s))?\\}");
 827         Matcher m = p.matcher(template);
 828         StringBuffer sb = new StringBuffer();
 829         while (m.find()) {
 830             String name = m.group(2);
 831             String type = m.group(1);
 832             String result;
 833             switch (type) {
 834                 case "i":
 835                     StringBuilder inputString = new StringBuilder();
 836                     for(Edge edge : edges) {
 837                         if (edge.label.startsWith(name) && (name.length() == edge.label.length() || edge.label.charAt(name.length()) == '[')) {
 838                             if (inputString.length() > 0) {
 839                                 inputString.append(", ");
 840                             }
 841                             inputString.append(edge.from);
 842                         }
 843                     }
 844                     result = inputString.toString();
 845                     break;
 846                 case "p":
 847                     Object prop = properties.get(name);


   1 /*
   2  * Copyright (c) 2012, 2016, 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.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 package com.sun.hotspot.igv.data.serialization;
  26 
  27 import com.sun.hotspot.igv.data.*;
  28 import com.sun.hotspot.igv.data.Properties;
  29 import com.sun.hotspot.igv.data.services.GroupCallback;
  30 import java.io.EOFException;
  31 import java.io.IOException;
  32 import java.nio.ByteBuffer;
  33 import java.nio.channels.ReadableByteChannel;
  34 import java.nio.charset.Charset;
  35 import java.util.*;
  36 import java.util.regex.Matcher;
  37 import java.util.regex.Pattern;
  38 import javax.swing.SwingUtilities;
  39 import java.security.MessageDigest;
  40 import java.security.NoSuchAlgorithmException;
  41 
  42 public class BinaryParser implements GraphParser {
  43     private static final int BEGIN_GROUP = 0x00;
  44     private static final int BEGIN_GRAPH = 0x01;
  45     private static final int CLOSE_GROUP = 0x02;
  46 
  47     private static final int POOL_NEW = 0x00;
  48     private static final int POOL_STRING = 0x01;
  49     private static final int POOL_ENUM = 0x02;
  50     private static final int POOL_CLASS = 0x03;
  51     private static final int POOL_METHOD = 0x04;
  52     private static final int POOL_NULL = 0x05;
  53     private static final int POOL_NODE_CLASS = 0x06;
  54     private static final int POOL_FIELD = 0x07;
  55     private static final int POOL_SIGNATURE = 0x08;
  56 
  57     private static final int KLASS = 0x00;
  58     private static final int ENUM_KLASS = 0x01;
  59 
  60     private static final int PROPERTY_POOL = 0x00;
  61     private static final int PROPERTY_INT = 0x01;
  62     private static final int PROPERTY_LONG = 0x02;
  63     private static final int PROPERTY_DOUBLE = 0x03;
  64     private static final int PROPERTY_FLOAT = 0x04;
  65     private static final int PROPERTY_TRUE = 0x05;
  66     private static final int PROPERTY_FALSE = 0x06;
  67     private static final int PROPERTY_ARRAY = 0x07;
  68     private static final int PROPERTY_SUBGRAPH = 0x08;
  69 
  70     private static final String NO_BLOCK = "noBlock";
  71 
  72     private static final Charset utf8 = Charset.forName("UTF-8");
  73 
  74     private final GroupCallback callback;
  75     private final List<Object> constantPool;
  76     private final ByteBuffer buffer;
  77     private final ReadableByteChannel channel;
  78     private final GraphDocument rootDocument;
  79     private final Deque<Folder> folderStack;
  80     private final Deque<byte[]> hashStack;
  81     private final ParseMonitor monitor;
  82 
  83     private MessageDigest digest;
  84 
  85     private enum Length {
  86         S,
  87         M,
  88         L
  89     }
  90 
  91     private interface LengthToString {
  92         String toString(Length l);
  93     }


 261                     return enumKlass.values[ordinal];
 262                 default:
 263                 case M:
 264                 case L:
 265                     return toString();
 266             }
 267         }
 268     }
 269 
 270     public BinaryParser(ReadableByteChannel channel, ParseMonitor monitor, GraphDocument rootDocument, GroupCallback callback) {
 271         this.callback = callback;
 272         constantPool = new ArrayList<>();
 273         buffer = ByteBuffer.allocateDirect(256 * 1024);
 274         buffer.flip();
 275         this.channel = channel;
 276         this.rootDocument = rootDocument;
 277         folderStack = new LinkedList<>();
 278         hashStack = new LinkedList<>();
 279         this.monitor = monitor;
 280         try {
 281             this.digest = MessageDigest.getInstance("SHA-1");
 282         } catch (NoSuchAlgorithmException e) {
 283         }
 284     }
 285 
 286     private void fill() throws IOException {
 287         // All the data between lastPosition and position has been
 288         // used so add it to the digest.
 289         int position = buffer.position();
 290         buffer.position(lastPosition);
 291         byte[] remaining = new byte[position - buffer.position()];
 292         buffer.get(remaining);
 293         digest.update(remaining);
 294         assert position == buffer.position();
 295 
 296         buffer.compact();
 297         if (channel.read(buffer) < 0) {
 298             throw new EOFException();
 299         }
 300         buffer.flip();
 301         lastPosition = buffer.position();
 302     }
 303 
 304     private void ensureAvailable(int i) throws IOException {
 305         if (i > buffer.capacity()) {
 306             throw new IllegalArgumentException(String.format("Can not request %d bytes: buffer capacity is %d", i, buffer.capacity()));
 307         }
 308         while (buffer.remaining() < i) {
 309             fill();
 310         }





 311     }
 312 
 313     private int readByte() throws IOException {
 314         ensureAvailable(1);
 315         return ((int)buffer.get()) & 0xff;
 316     }
 317 
 318     private int readInt() throws IOException {
 319         ensureAvailable(4);
 320         return buffer.getInt();
 321     }
 322 
 323     private char readShort() throws IOException {
 324         ensureAvailable(2);
 325         return buffer.getChar();
 326     }
 327 
 328     private long readLong() throws IOException {
 329         ensureAvailable(8);
 330         return buffer.getLong();
 331     }
 332 
 333     private double readDouble() throws IOException {
 334         ensureAvailable(8);
 335         return buffer.getDouble();
 336     }
 337 
 338     private float readFloat() throws IOException {
 339         ensureAvailable(4);
 340         return buffer.getFloat();
 341     }
 342 
 343     private String readString() throws IOException {
 344         return new String(readBytes(), utf8).intern();





 345     }
 346 
 347     private byte[] readBytes() throws IOException {
 348         int len = readInt();
 349         if (len < 0) {
 350             return null;
 351         }
 352         byte[] b = new byte[len];
 353         int bytesRead = 0;
 354         while (bytesRead < b.length) {
 355             int toRead = Math.min(b.length - bytesRead, buffer.capacity());
 356             ensureAvailable(toRead);
 357             buffer.get(b, bytesRead, toRead);
 358             bytesRead += toRead;
 359         }
 360         return b;
 361     }
 362 
 363     private String readIntsToString() throws IOException {
 364         int len = readInt();
 365         if (len < 0) {
 366             return "null";
 367         }
 368         ensureAvailable(len * 4);
 369         StringBuilder sb = new StringBuilder().append('[');
 370         for (int i = 0; i < len; i++) {
 371             sb.append(buffer.getInt());
 372             if (i < len - 1) {
 373                 sb.append(", ");
 374             }
 375         }
 376         sb.append(']');
 377         return sb.toString().intern();
 378     }
 379 
 380     private String readDoublesToString() throws IOException {


 637                 }
 638                 folderStack.pop();
 639                 hashStack.pop();
 640                 break;
 641             }
 642             default:
 643                 throw new IOException("unknown root : " + type);
 644         }
 645     }
 646 
 647     private Group parseGroup(Folder parent) throws IOException {
 648         String name = readPoolObject(String.class);
 649         String shortName = readPoolObject(String.class);
 650         if (monitor != null) {
 651             monitor.setState(shortName);
 652         }
 653         Method method = readPoolObject(Method.class);
 654         int bci = readInt();
 655         Group group = new Group(parent);
 656         group.getProperties().setProperty("name", name);
 657         parseProperties(group.getProperties());
 658         if (method != null) {
 659             InputMethod inMethod = new InputMethod(group, method.name, shortName, bci);
 660             inMethod.setBytecodes("TODO");
 661             group.setMethod(inMethod);
 662         }
 663         return group;
 664     }
 665 
 666     int lastPosition = 0;
 667 
 668     private InputGraph parseGraph() throws IOException {
 669         if (monitor != null) {
 670             monitor.updateProgress();
 671         }
 672         String title = readPoolObject(String.class);
 673         digest.reset();
 674         lastPosition = buffer.position();
 675         InputGraph graph = parseGraph(title);
 676 
 677         int position = buffer.position();
 678         buffer.position(lastPosition);
 679         byte[] remaining = new byte[position - buffer.position()];
 680         buffer.get(remaining);
 681         digest.update(remaining);
 682         assert position == buffer.position();
 683         lastPosition = buffer.position();
 684 
 685         byte[] d = digest.digest();
 686         byte[] hash = hashStack.peek();
 687         if (hash != null && Arrays.equals(hash, d)) {
 688             graph.getProperties().setProperty("_isDuplicate", "true");
 689         } else {
 690             hashStack.pop();
 691             hashStack.push(d);
 692         }
 693         return graph;
 694     }
 695 
 696     private void parseProperties(Properties properties) throws IOException {
 697         int propCount = readShort();
 698         for (int j = 0; j < propCount; j++) {
 699             String key = readPoolObject(String.class);
 700             Object value = readPropertyObject();
 701             properties.setProperty(key, value != null ? value.toString() : "null");
 702         }
 703     }
 704 
 705     private InputGraph parseGraph(String title) throws IOException {
 706         InputGraph graph = new InputGraph(title);
 707         parseProperties(graph.getProperties());
 708         parseNodes(graph);
 709         parseBlocks(graph);
 710         graph.ensureNodesInBlocks();
 711         for (InputNode node : graph.getNodes()) {
 712             node.internProperties();
 713         }
 714         return graph;
 715     }
 716 
 717     private void parseBlocks(InputGraph graph) throws IOException {
 718         int blockCount = readInt();
 719         List<Edge> edges = new LinkedList<>();
 720         for (int i = 0; i < blockCount; i++) {
 721             int id = readInt();
 722             String name = id >= 0 ? Integer.toString(id) : NO_BLOCK;
 723             InputBlock block = graph.addBlock(name);
 724             int nodeCount = readInt();
 725             for (int j = 0; j < nodeCount; j++) {
 726                 int nodeId = readInt();
 727                 if (nodeId < 0) {
 728                     continue;
 729                 }
 730                 final Properties properties = graph.getNode(nodeId).getProperties();
 731                 final String oldBlock = properties.get("block");
 732                 if(oldBlock != null) {
 733                     properties.setProperty("block", oldBlock + ", " + name);


 842             props.clear();
 843         }
 844 
 845         Set<InputNode> nodesWithSuccessor = new HashSet<>();
 846 
 847         for (Edge e : succEdges) {
 848             assert !e.input;
 849             char fromIndex = e.num;
 850             nodesWithSuccessor.add(graph.getNode(e.from));
 851             char toIndex = 0;
 852             graph.addEdge(InputEdge.createImmutable(fromIndex, toIndex, e.from, e.to, e.label, e.type));
 853         }
 854         for (Edge e : inputEdges) {
 855             assert e.input;
 856             char fromIndex = (char) (nodesWithSuccessor.contains(graph.getNode(e.from)) ? 1 : 0);
 857             char toIndex = e.num;
 858             graph.addEdge(InputEdge.createImmutable(fromIndex, toIndex, e.from, e.to, e.label, e.type));
 859         }
 860     }
 861 
 862     static final Pattern templatePattern = Pattern.compile("\\{(p|i)#([a-zA-Z0-9$_]+)(/(l|m|s))?\\}");
 863 
 864     private String createName(List<Edge> edges, Map<String, Object> properties, String template) {
 865         Matcher m = templatePattern.matcher(template);

 866         StringBuffer sb = new StringBuffer();
 867         while (m.find()) {
 868             String name = m.group(2);
 869             String type = m.group(1);
 870             String result;
 871             switch (type) {
 872                 case "i":
 873                     StringBuilder inputString = new StringBuilder();
 874                     for(Edge edge : edges) {
 875                         if (edge.label.startsWith(name) && (name.length() == edge.label.length() || edge.label.charAt(name.length()) == '[')) {
 876                             if (inputString.length() > 0) {
 877                                 inputString.append(", ");
 878                             }
 879                             inputString.append(edge.from);
 880                         }
 881                     }
 882                     result = inputString.toString();
 883                     break;
 884                 case "p":
 885                     Object prop = properties.get(name);


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