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 
  24 package compiler.compilercontrol.share.scenario;
  25 
  26 import compiler.compilercontrol.share.actions.BaseAction;
  27 import compiler.compilercontrol.share.processors.CommandProcessor;
  28 import compiler.compilercontrol.share.processors.LogProcessor;
  29 import compiler.compilercontrol.share.processors.PrintProcessor;
  30 import compiler.compilercontrol.share.processors.QuietProcessor;
  31 import jdk.test.lib.Asserts;
  32 import jdk.test.lib.OutputAnalyzer;
  33 import jdk.test.lib.Pair;
  34 import jdk.test.lib.ProcessTools;
  35 import pool.PoolHelper;
  36 
  37 import java.io.BufferedReader;
  38 import java.io.IOException;
  39 import java.io.InputStreamReader;
  40 import java.io.PrintWriter;
  41 import java.lang.reflect.Executable;
  42 import java.net.ServerSocket;
  43 import java.net.Socket;
  44 import java.util.ArrayList;
  45 import java.util.Arrays;
  46 import java.util.Collections;
  47 import java.util.HashMap;
  48 import java.util.LinkedHashSet;
  49 import java.util.List;
  50 import java.util.Map;
  51 import java.util.Set;
  52 import java.util.concurrent.Callable;
  53 import java.util.function.Consumer;
  54 
  55 /**
  56  * Test scenario
  57  */
  58 public final class Scenario {
  59     private final List<String> vmopts;
  60     private final Map<Executable, State> states;
  61     private final List<Consumer<OutputAnalyzer>> processors;
  62 
  63     private Scenario(List<String> vmopts,
  64                      Map<Executable, State> states,
  65                      List<CompileCommand> commands) {
  66         this.vmopts = vmopts;
  67         this.states = states;
  68         processors = new ArrayList<>();
  69         processors.add(new LogProcessor(states));
  70         processors.add(new PrintProcessor(states));
  71         List<CompileCommand> nonQuieted = new ArrayList<>();
  72         List<CompileCommand> quieted = new ArrayList<>();
  73         boolean metQuiet = false;
  74         for (CompileCommand cc : commands) {
  75             metQuiet |= cc.command == Command.QUIET;
  76             if (metQuiet) {
  77                 quieted.add(cc);
  78             } else {
  79                 nonQuieted.add(cc);
  80             }
  81         }
  82         processors.add(new CommandProcessor(nonQuieted));
  83         processors.add(new QuietProcessor(quieted));
  84     }
  85 
  86     /**
  87      * Executes scenario
  88      */
  89     public void execute() {
  90         // Construct execution command with CompileCommand and class
  91         List<String> argsList = new ArrayList<>();
  92         // Add VM options
  93         argsList.addAll(vmopts);
  94         // Add class name that would be executed as a main in a separate VM
  95         String classCmd = BaseAction.class.getName();
  96         // Add class name
  97         Collections.addAll(argsList, classCmd);
  98         int port = connectTestVM();
  99         argsList.add(String.valueOf(port));
 100         OutputAnalyzer output;
 101         try {
 102             output = ProcessTools.executeTestJvmAllArgs(
 103                     argsList.toArray(new String[argsList.size()]));
 104         } catch (Throwable thr) {
 105             throw new Error("Execution failed", thr);
 106         }
 107         output.shouldHaveExitValue(0);
 108         for (Consumer<OutputAnalyzer> processor : processors) {
 109             processor.accept(output);
 110         }
 111     }
 112 
 113     /*
 114      * Performs connection with a test VM, sends method states and performs
 115      * JCMD operations on a test VM.
 116      */
 117     private int connectTestVM() {
 118         int port;
 119         try {
 120             ServerSocket serverSocket = new ServerSocket(0);
 121             port = serverSocket.getLocalPort();
 122             Asserts.assertNotEquals(port, -1, "Socket is not bound: " + port);
 123             new Thread(() -> {
 124                 try (
 125                     Socket socket = serverSocket.accept();
 126                     PrintWriter pw = new PrintWriter(socket.getOutputStream(),
 127                             true);
 128                     BufferedReader in = new BufferedReader(
 129                             new InputStreamReader(socket.getInputStream()))) {
 130                     // Get pid of the executed process
 131                     int pid = Integer.parseInt(in.readLine());
 132                     Asserts.assertNE(pid, 0, "Got incorrect pid");
 133                     // serialize and send state map
 134                     for (Executable x : states.keySet()) {
 135                         pw.println("{");
 136                         pw.println(x.toGenericString());
 137                         pw.println(states.get(x).toString());
 138                         pw.println("}");
 139                     }
 140                 } catch (IOException e) {
 141                     throw new Error("Failed to write data", e);
 142                 }
 143             }).start();
 144         } catch (IOException e) {
 145             throw new Error("IO error", e);
 146         }
 147         return port;
 148     }
 149 
 150     /**
 151      * Gets states of methods for this scenario
 152      *
 153      * @return pairs of executable and its state
 154      */
 155     public Map<Executable, State> getStates() {
 156         return states;
 157     }
 158 
 159     /**
 160      * Type of the command
 161      */
 162     public static enum Type {
 163         OPTION,
 164         FILE,
 165         DIRECTIVE
 166     }
 167 
 168     public static Builder getBuilder() {
 169         return new Builder();
 170     }
 171 
 172     public static class Builder {
 173         private final Set<String> vmopts = new LinkedHashSet<>();
 174         private final Map<Type, StateBuilder> builders = new HashMap<>();
 175 
 176         public Builder() {
 177             builders.put(Type.FILE, new CommandFileBuilder());
 178             builders.put(Type.OPTION, new CommandOptionsBuilder());
 179             builders.put(Type.DIRECTIVE, new DirectiveBuilder());
 180         }
 181 
 182         public void add(CompileCommand compileCommand, Type type) {
 183             String[] vmOptions = compileCommand.command.vmOpts;
 184             Collections.addAll(vmopts, vmOptions);
 185             StateBuilder builder = builders.get(type);
 186             Asserts.assertNotNull(builder, "Missing builder for the type: "
 187                     + type);
 188             builder.add(compileCommand);
 189         }
 190 
 191         public Scenario build() {
 192             // Get all VM options
 193             List<String> options = new ArrayList<>();
 194             options.addAll(vmopts);
 195             for (StateBuilder builder : builders.values()) {
 196                 options.addAll(builder.getOptions());
 197             }
 198             // Get states from each of the state builders
 199             Map<Executable, State> commandFileStates =
 200                     builders.get(Type.FILE).getStates();
 201             Map<Executable, State> commandOptionStates =
 202                     builders.get(Type.OPTION).getStates();
 203             Map<Executable, State> directiveFileStates =
 204                     builders.get(Type.DIRECTIVE).getStates();
 205             // Merge states
 206             List<Pair<Executable, Callable<?>>> methods = new PoolHelper()
 207                     .getAllMethods();
 208             Map<Executable, State> finalStates = new HashMap<>();
 209             for (Pair<Executable, Callable<?>> pair : methods) {
 210                 Executable x = pair.first;
 211                 State commandOptionState = commandOptionStates.get(x);
 212                 State commandFileState = commandFileStates.get(x);
 213                 State st = State.merge(commandOptionState, commandFileState);
 214                 State directiveState = directiveFileStates.get(x);
 215                 st = State.merge(st, directiveState);
 216                 finalStates.put(x, st);
 217             }
 218             /* Create a list of commands from options and file
 219                to handle quiet command */
 220             List<CompileCommand> ccList = new ArrayList<>();
 221             ccList.addAll(builders.get(Type.OPTION).getCompileCommands());
 222             ccList.addAll(builders.get(Type.FILE).getCompileCommands());
 223             return new Scenario(options, finalStates, ccList);
 224         }
 225     }
 226 }