1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 19 package org.apache.harmony.jpda.tests.jdwp.VMDebug; 20 21 import java.lang.reflect.Method; 22 import java.io.*; 23 import java.util.*; 24 import org.apache.harmony.jpda.tests.share.JPDADebuggeeSynchronizer; 25 import org.apache.harmony.jpda.tests.share.SyncDebuggee; 26 27 /** 28 * This class provides a test for VMDebug functions. 29 */ 30 public class VMDebugDebuggee extends SyncDebuggee { 31 public static final long SLEEP_TIME = 20; 32 33 public static final class DebugResult implements Serializable { 34 public boolean error_occured = false; 35 public boolean is_debugger_connected = false; 36 public boolean is_debugging_enabled = false; 37 public long last_debugger_activity = -1; 38 39 public DebugResult(boolean is_error, boolean is_debugger_connected, boolean is_debugger_enabled, long last_debugger_activity) { 40 this.error_occured = is_error; 41 this.is_debugger_connected = is_debugger_connected; 42 this.is_debugging_enabled = is_debugger_enabled; 43 this.last_debugger_activity = last_debugger_activity; 44 } 45 46 @Override 47 public String toString() { 48 return "DebugResult { error: " + error_occured 49 + ", connected: " + is_debugger_connected 50 + ", enabled: " + is_debugging_enabled 51 + ", last_activity: " + last_debugger_activity + " }"; 52 } 53 } 54 55 private void sendResult(boolean is_error, boolean is_debugger_connected, boolean is_debugger_enabled, long last_debugger_activity) { 56 ByteArrayOutputStream bs = new ByteArrayOutputStream(); 57 try (ObjectOutputStream st = new ObjectOutputStream(bs)) { 58 st.writeObject(new DebugResult(is_error, is_debugger_connected, is_debugger_enabled, last_debugger_activity)); 59 st.flush(); 60 } catch (Exception e) { 61 logWriter.println("Failed to serialize debug result!"); 62 } 63 synchronizer.sendMessage(Base64.getEncoder().encodeToString(bs.toByteArray())); 64 } 65 66 public static DebugResult readResult(String args) throws IllegalArgumentException { 67 try (ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(Base64.getDecoder().decode(args)))) { 68 return (DebugResult) ois.readObject(); 69 } catch (Exception e) { 70 return null; 71 } 72 } 73 74 @Override 75 public void run() { 76 // Tell the test we have started. 77 synchronizer.sendMessage(JPDADebuggeeSynchronizer.SGNL_READY); 78 // The debugger will have done something before sending this so the last activity is reset. 79 synchronizer.receiveMessage(JPDADebuggeeSynchronizer.SGNL_CONTINUE); 80 81 boolean error_occured = false; 82 boolean is_debugger_connected = false; 83 boolean is_debugging_enabled = false; 84 long last_debugger_activity = -1; 85 try { 86 // Wait 20 milliseconds so that last_debugger_activity will be non-zero and definitely 87 // more than 10. 88 Thread.sleep(SLEEP_TIME); 89 90 Class<?> vmdebug = Class.forName("dalvik.system.VMDebug"); 91 Method isDebuggerConnectedMethod = vmdebug.getDeclaredMethod("isDebuggerConnected"); 92 Method isDebuggingEnabledMethod = vmdebug.getDeclaredMethod("isDebuggingEnabled"); 93 Method lastDebuggerActivityMethod = vmdebug.getDeclaredMethod("lastDebuggerActivity"); 94 95 is_debugger_connected = (boolean)isDebuggerConnectedMethod.invoke(null); 96 is_debugging_enabled = (boolean)isDebuggingEnabledMethod.invoke(null); 97 last_debugger_activity = (long)lastDebuggerActivityMethod.invoke(null); 98 } catch (NoSuchMethodException e) { 99 error_occured = true; 100 logWriter.println("Unable to find one of the VMDebug methods!" + e); 101 } catch (ClassNotFoundException e) { 102 error_occured = true; 103 logWriter.println("Could not find VMDebug"); 104 } catch (Exception e) { 105 error_occured = true; 106 logWriter.println("Other exception occured " + e); 107 } 108 sendResult( 109 error_occured, is_debugger_connected, is_debugging_enabled, last_debugger_activity); 110 synchronizer.receiveMessage(JPDADebuggeeSynchronizer.SGNL_CONTINUE); 111 } 112 113 public static void main(String [] args) { 114 runDebuggee(VMDebugDebuggee.class); 115 } 116 } 117 118
