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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @author Vitaly A. Provodin
*/
/**
* Created on 29.01.2005
*/
package org.apache.harmony.jpda.tests.jdwp.share;
import java.io.IOException;
import org.apache.harmony.jpda.tests.framework.LogWriter;
import org.apache.harmony.jpda.tests.framework.TestErrorException;
import org.apache.harmony.jpda.tests.framework.jdwp.TransportWrapper;
import org.apache.harmony.jpda.tests.share.JPDATestOptions;
/**
* This class provides DebuggeeWrapper implementation based on JUnit framework.
* Debuggee is always launched on local machine and attaches to debugger.
*/
public class JDWPUnitDebuggeeWrapper extends JDWPUnitDebuggeeProcessWrapper {
/**
* Auxiliary options passed to the target VM on its launch.
*/
public String savedVMOptions = null;
/**
* Wrapper around JDWP transport connection.
*/
protected TransportWrapper transport;
/**
* JDWP transport address.
*/
protected String address;
/**
* Is this a "listen" JDWP connection? (If false, it is a an "attach" connection.)
*/
boolean isListenConnection;
/**
* Creates new instance with given data.
*
* @param settings
* test run options
* @param logWriter
* where to print log messages
*/
public JDWPUnitDebuggeeWrapper(JPDATestOptions settings, LogWriter logWriter) {
super(settings, logWriter);
}
/**
* Set up server side JDWP connection before launching the debuggee.
*/
public void setUpConnection() {
isListenConnection = settings.isListenConnectorKind();
transport = createTransportWrapper();
address = settings.getTransportAddress();
if (isListenConnection) {
logWriter.println("Start listening on: " + address);
try {
address = transport.startListening(address);
} catch (IOException e) {
throw new TestErrorException(e);
}
logWriter.println("Listening on: " + address);
} else {
logWriter.println("Attach to: " + address);
}
}
/**
* Launches new debuggee process according to test run options and
* establishes JDWP connection.
*/
public void start() {
String cmdLine = settings.getDebuggeeJavaPath() + " -cp \""
+ settings.getDebuggeeClassPath() + "\" -agentlib:"
+ settings.getDebuggeeAgentName() + "="
+ settings.getDebuggeeAgentOptions(address, isListenConnection)
+ " " + settings.getDebuggeeVMExtraOptions() + " "
+ (savedVMOptions != null ? savedVMOptions : "") + " "
+ settings.getDebuggeeClassName();
logWriter.println("Launch: " + cmdLine);
try {
launchProcessAndRedirectors(cmdLine);
logWriter.println("Launched debuggee process");
openConnection();
logWriter.println("Established transport connection");
} catch (Exception e) {
throw new TestErrorException(e);
}
}
/**
* Closes all connections, stops redirectors, and waits for debuggee process
* exit for default timeout.
*/
public void stop() {
disposeConnection();
try {
finishProcessAndRedirectors();
} finally {
// If the test has failed (e.g. a TestErrorException is
// thrown), make sure that the transport server socket (if
// any) is closed before leaving, as we may otherwise
// block the transport port for subsequent JDWP tests.
tearDownConnection();
}
}
/**
* Opens connection with debuggee.
*/
protected void openConnection() {
try {
if (settings.isListenConnectorKind()) {
logWriter.println("Accepting JDWP connection");
transport.accept(settings.getTimeout(), settings.getTimeout());
} else {
String address = settings.getTransportAddress();
logWriter.println("Attaching for JDWP connection");
transport.attach(address, settings.getTimeout(), settings.getTimeout());
}
setConnection(transport);
} catch (IOException e) {
logWriter.printError(e);
throw new TestErrorException(e);
}
}
/**
* Disposes JDWP connection stored in VmMirror.
*/
protected void disposeConnection() {
if (vmMirror != null) {
try {
vmMirror.dispose();
} catch (Exception e) {
logWriter.println("Ignoring exception in disposing debuggee VM: " + e);
}
}
}
/**
* Closes JDWP connection stored in VmMirror.
*/
protected void closeConnection() {
if (vmMirror != null) {
try {
vmMirror.closeConnection();
} catch (IOException e) {
logWriter.println("Ignoring exception in closing connection: " + e);
}
}
}
/**
* Closes JDWP connection and for listen connectors, stops listening to transport.
*/
private void tearDownConnection() {
closeConnection();
if (settings.isListenConnectorKind()) {
try {
transport.stopListening();
} catch (IOException e) {
logWriter.println("IOException in transport listening stopping: " + e);
}
}
}
}
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