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/*
* Copyright (c) 2000, 2024, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package nsk.jdi.AttachingConnector.attach;
import com.sun.jdi.Bootstrap;
import com.sun.jdi.connect.*;
import com.sun.jdi.VirtualMachine;
import com.sun.jdi.ReferenceType;
import java.io.*;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import jdk.test.lib.JDWP;
import nsk.share.*;
import nsk.share.jpda.*;
import nsk.share.jdi.*;
/**
* The test checks that debugger may establish connection with
* a target VM via <code>com.sun.jdi.SocketAttach</code> connector.
*/
public class attach001 {
static final int PASSED = 0;
static final int FAILED = 2;
static final int JCK_STATUS_BASE = 95;
static final String DEBUGEE_CLASS =
"nsk.jdi.AttachingConnector.attach.attach001t";
private Log log;
private VirtualMachine vm;
private int attempts; // attempts to connect to the debugee VM
private int delay = 4000; // delay between connection attempts
IORedirector outRedirector;
IORedirector errRedirector;
public static void main (String argv[]) {
int result = run(argv,System.out);
if (result != 0) {
throw new RuntimeException("TEST FAILED with result " + result);
}
}
public static int run(String argv[], PrintStream out) {
return new attach001().runIt(argv, out);
}
private int runIt(String argv[], PrintStream out) {
ArgumentHandler argHandler = new ArgumentHandler(argv);
// pass if "com.sun.jdi.SocketAttach" is not implemented
// on this platform
if (argHandler.shouldPass("com.sun.jdi.SocketAttach"))
return PASSED;
log = new Log(out, argHandler);
String args[] = argHandler.getArguments();
// treat second positional argument as delay between connection attempts
try {
delay = Integer.parseInt(args[1]);
} catch (NumberFormatException e) {
log.complain("Incorrect test parameter: timeout value must be an integer");
return FAILED;
} catch (ArrayIndexOutOfBoundsException e) {
// ignore: default delay will be used if no second argument present
}
// calculate number of connection attempts to not exceed WAITTIME
long timeout = argHandler.getWaitTime() * 60 * 1000;
attempts = (int)(timeout / delay);
String java = argHandler.getLaunchExecPath()
+ " " + argHandler.getLaunchOptions();
String cmd = java
+ " -Xrunjdwp:transport=dt_socket,server=y,address=0"
+ " " + DEBUGEE_CLASS;
Binder binder = new Binder(argHandler, log);
log.display("command: " + cmd);
Debugee debugee = binder.startLocalDebugee(cmd);
JDWP.ListenAddress listenAddress = debugee.redirectOutputAndDetectListeningAddress(log);
String port = listenAddress.address();
if ((vm = attachTarget(argHandler.getTestHost(), port)) == null) {
log.complain("TEST: Unable to attach the debugee VM");
debugee.close();
return FAILED;
}
log.display("debugee VM: name=" + vm.name() + " JRE version=" +
vm.version() + "\n\tdescription=" + vm.description());
debugee.setupVM(vm);
debugee.waitForVMInit(timeout);
log.display("\nresuming debugee VM");
debugee.resume();
log.display("\nwaiting for debugee VM exit");
int code = debugee.waitFor();
if (code != (JCK_STATUS_BASE+PASSED)) {
log.complain("Debugee VM has crashed: exit code=" +
code);
return FAILED;
}
log.display("debugee VM: exit code=" + code);
return PASSED;
}
private VirtualMachine attachTarget(String host, String port) {
Connector.Argument arg;
if (port == null) {
log.complain("TEST: port number is required!");
return null;
}
AttachingConnector connector =
(AttachingConnector) findConnector("com.sun.jdi.SocketAttach");
Map<java.lang.String,? extends com.sun.jdi.connect.Connector.Argument> cArgs = connector.defaultArguments();
Iterator cArgsValIter = cArgs.keySet().iterator();
while (cArgsValIter.hasNext()) {
String argKey = (String) cArgsValIter.next();
String argVal = null;
if ((arg = (Connector.Argument) cArgs.get(argKey)) == null) {
log.complain("Argument " + argKey.toString() +
"is not defined for the connector: " + connector.name());
}
if (arg.name().equals("hostname") && host != null)
arg.setValue(host);
if (arg.name().equals("port"))
arg.setValue(port);
log.display("\targument name=" + arg.name());
if ((argVal = arg.value()) != null)
log.display("\t\tvalue="+argVal);
else log.display("\t\tvalue=NULL");
}
// make several attemts to connect to the debugee VM until WAITTIME exceeds
for (int i = 0; i < attempts; i++) {
try {
return connector.attach(cArgs);
} catch (IOException e) {
// could not connect; sleep a few and make new attempt
log.display("Connection attempt #" + i + " failed: " + e);
try {
Thread.currentThread().sleep(delay);
} catch (InterruptedException ie) {
log.complain("TEST INCOMPLETE: interrupted sleep: " + ie);
}
} catch (IllegalConnectorArgumentsException e) {
log.complain("TEST: Illegal connector arguments: " +
e.getMessage());
return null;
} catch (Exception e) {
log.complain("TEST: Internal error: " + e.getMessage());
return null;
}
}
// return null after all attempts failed
log.complain("FAILURE: all attempts to connect to the debugee VM failed");
return null;
}
private Connector findConnector(String connectorName) {
List connectors = Bootstrap.virtualMachineManager().allConnectors();
Iterator iter = connectors.iterator();
while (iter.hasNext()) {
Connector connector = (Connector) iter.next();
if (connector.name().equals(connectorName)) {
log.display("Connector name=" + connector.name() +
"\n\tdescription=" + connector.description() +
"\n\ttransport=" + connector.transport().name());
return connector;
}
}
throw new Error("No appropriate connector");
}
}
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