124 lines
4.4 KiB
Java
124 lines
4.4 KiB
Java
/*
|
|
* Copyright (c) 2018, 2023, 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.
|
|
*/
|
|
|
|
/*
|
|
* @test
|
|
* @bug 8049695
|
|
* @summary Ensure shmem transport works with long names
|
|
* @requires os.family == "windows"
|
|
* @library /test/lib
|
|
* @run main/othervm ShMemLongName
|
|
*/
|
|
|
|
import java.io.BufferedReader;
|
|
import java.io.IOException;
|
|
import java.io.InputStreamReader;
|
|
import java.io.InputStream;
|
|
import java.util.Collections;
|
|
import java.util.Map;
|
|
|
|
import com.sun.jdi.Bootstrap;
|
|
import com.sun.jdi.VirtualMachine;
|
|
import com.sun.jdi.connect.AttachingConnector;
|
|
import com.sun.jdi.connect.Connector;
|
|
import jdk.test.lib.process.ProcessTools;
|
|
|
|
|
|
public class ShMemLongName {
|
|
|
|
private static final int maxShMemLength = 49;
|
|
|
|
private static final String transport = "dt_shmem";
|
|
|
|
public static void main(String[] args) throws Exception {
|
|
// test with the maximum supported shmem name length
|
|
String shmemName = ("ShMemLongName" + ProcessHandle.current().pid()
|
|
+ String.join("", Collections.nCopies(maxShMemLength, "x"))
|
|
).substring(0, maxShMemLength);
|
|
Process target = getTarget(shmemName).start();
|
|
try {
|
|
waitForReady(target);
|
|
|
|
log("attaching to the VM...");
|
|
AttachingConnector ac = Bootstrap.virtualMachineManager().attachingConnectors()
|
|
.stream()
|
|
.filter(c -> transport.equals(c.transport().name()))
|
|
.findFirst()
|
|
.orElseThrow(() -> new RuntimeException("Failed to find transport " + transport));
|
|
Map<String, Connector.Argument> acArgs = ac.defaultArguments();
|
|
acArgs.get("name").setValue(shmemName);
|
|
|
|
VirtualMachine vm = ac.attach(acArgs);
|
|
|
|
log("attached. test(1) PASSED.");
|
|
|
|
vm.dispose();
|
|
} finally {
|
|
target.destroy();
|
|
target.waitFor();
|
|
}
|
|
|
|
// extra test: ensure using of too-long name fails gracefully
|
|
// (shmemName + "X") is expected to be "too long".
|
|
ProcessTools.executeProcess(getTarget(shmemName + "X"))
|
|
.shouldContain("address strings longer than")
|
|
.shouldHaveExitValue(2);
|
|
log("test(2) PASSED.");
|
|
}
|
|
|
|
private static void log(String s) {
|
|
System.out.println(s);
|
|
System.out.flush();
|
|
}
|
|
|
|
// creates target process builder for the specified shmem transport name
|
|
private static ProcessBuilder getTarget(String shmemName) throws IOException {
|
|
log("starting target with shmem name: '" + shmemName + "'...");
|
|
return ProcessTools.createLimitedTestJavaProcessBuilder(
|
|
"-Xrunjdwp:transport=" + transport + ",server=y,suspend=n,address=" + shmemName,
|
|
"ShMemLongName$Target");
|
|
}
|
|
|
|
private static void waitForReady(Process target) throws Exception {
|
|
InputStream os = target.getInputStream();
|
|
try (BufferedReader reader = new BufferedReader(new InputStreamReader(os))) {
|
|
String line;
|
|
while ((line = reader.readLine()) != null) {
|
|
if (line.equals(Target.readyString)) {
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
public static class Target {
|
|
public static final String readyString = "Ready";
|
|
public static void main(String[] args) throws Exception {
|
|
log(readyString);
|
|
while (true) {
|
|
Thread.sleep(1000);
|
|
}
|
|
}
|
|
}
|
|
}
|