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undefect. CWE-407 — 63 sites patched across 27 ecosystems

Browse source 
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com

Patches, unit tests, benchmarks, whitepaper, and outreach briefs.
Public domain — no copyright claimed. Use freely.
This commit is contained in:
russell@unturf.com 2026-03-26 17:11:57 -04:00
commit 0a580b313d
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test/jdk/java/rmi/reliability/benchmark/bench/Harness.java Normal file
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/*
* Copyright (c) 1999, 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 bench;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.StreamTokenizer;
import java.io.IOException;
import java.util.Vector;
/**
* Benchmark harness. Responsible for parsing config file and running
* benchmarks.
*/
public class Harness {
BenchInfo[] binfo;
/**
* Create new benchmark harness with given configuration and reporter.
* Throws ConfigFormatException if there was an error parsing the config
* file.
* <p>
* <b>Config file syntax:</b>
* <p>
* '#' marks the beginning of a comment. Blank lines are ignored. All
* other lines should adhere to the following format:
* <pre>
* &lt;weight&gt; &lt;name&gt; &lt;class&gt; [&lt;args&gt;]
* </pre>
* &lt;weight&gt; is a floating point value which is multiplied times the
* benchmark's execution time to determine its weighted score. The
* total score of the benchmark suite is the sum of all weighted scores
* of its benchmarks.
* <p>
* &lt;name&gt; is a name used to identify the benchmark on the benchmark
* report. If the name contains whitespace, the quote character '"' should
* be used as a delimiter.
* <p>
* &lt;class&gt; is the full name (including the package) of the class
* containing the benchmark implementation. This class must implement
* bench.Benchmark.
* <p>
* [&lt;args&gt;] is a variable-length list of runtime arguments to pass to
* the benchmark. Arguments containing whitespace should use the quote
* character '"' as a delimiter.
* <p>
* <b>Example:</b>
* <pre>
* 3.5 "My benchmark" bench.serial.Test first second "third arg"
* </pre>
*/
public Harness(InputStream in) throws IOException, ConfigFormatException {
Vector bvec = new Vector();
StreamTokenizer tokens = new StreamTokenizer(new InputStreamReader(in));
tokens.resetSyntax();
tokens.wordChars(0, 255);
tokens.whitespaceChars(0, ' ');
tokens.commentChar('#');
tokens.quoteChar('"');
tokens.eolIsSignificant(true);
tokens.nextToken();
while (tokens.ttype != StreamTokenizer.TT_EOF) {
switch (tokens.ttype) {
case StreamTokenizer.TT_WORD:
case '"': // parse line
bvec.add(parseBenchInfo(tokens));
break;
default: // ignore
tokens.nextToken();
break;
}
}
binfo = (BenchInfo[]) bvec.toArray(new BenchInfo[bvec.size()]);
}
BenchInfo parseBenchInfo(StreamTokenizer tokens)
throws IOException, ConfigFormatException
{
float weight = parseBenchWeight(tokens);
String name = parseBenchName(tokens);
Benchmark bench = parseBenchClass(tokens);
String[] args = parseBenchArgs(tokens);
if (tokens.ttype == StreamTokenizer.TT_EOL)
tokens.nextToken();
return new BenchInfo(bench, name, weight, args);
}
float parseBenchWeight(StreamTokenizer tokens)
throws IOException, ConfigFormatException
{
float weight;
switch (tokens.ttype) {
case StreamTokenizer.TT_WORD:
case '"':
try {
weight = Float.parseFloat(tokens.sval);
} catch (NumberFormatException e) {
throw new ConfigFormatException("illegal weight value \"" +
tokens.sval + "\" on line " + tokens.lineno());
}
tokens.nextToken();
return weight;
default:
throw new ConfigFormatException("missing weight value on line "
+ tokens.lineno());
}
}
String parseBenchName(StreamTokenizer tokens)
throws IOException, ConfigFormatException
{
String name;
switch (tokens.ttype) {
case StreamTokenizer.TT_WORD:
case '"':
name = tokens.sval;
tokens.nextToken();
return name;
default:
throw new ConfigFormatException("missing benchmark name on " +
"line " + tokens.lineno());
}
}
Benchmark parseBenchClass(StreamTokenizer tokens)
throws IOException, ConfigFormatException
{
Benchmark bench;
switch (tokens.ttype) {
case StreamTokenizer.TT_WORD:
case '"':
try {
Class cls = Class.forName(tokens.sval);
bench = (Benchmark) cls.newInstance();
} catch (Exception e) {
throw new ConfigFormatException("unable to instantiate " +
"benchmark \"" + tokens.sval + "\" on line " +
tokens.lineno());
}
tokens.nextToken();
return bench;
default:
throw new ConfigFormatException("missing benchmark class " +
"name on line " + tokens.lineno());
}
}
String[] parseBenchArgs(StreamTokenizer tokens)
throws IOException, ConfigFormatException
{
Vector vec = new Vector();
for (;;) {
switch (tokens.ttype) {
case StreamTokenizer.TT_EOF:
case StreamTokenizer.TT_EOL:
return (String[]) vec.toArray(new String[vec.size()]);
case StreamTokenizer.TT_WORD:
case '"':
vec.add(tokens.sval);
tokens.nextToken();
break;
default:
throw new ConfigFormatException("unrecognized arg token " +
"on line " + tokens.lineno());
}
}
}
/**
* Run benchmarks, writing results to the given reporter.
*/
public void runBenchmarks(Reporter reporter, boolean verbose) {
for (int i = 0; i < binfo.length; i++) {
if (verbose)
System.out.println("Running benchmark " + i + " (" +
binfo[i].getName() + ")");
try {
binfo[i].runBenchmark();
} catch (Exception e) {
System.err.println("Error: benchmark " + i + " failed: " + e);
e.printStackTrace();
}
cleanup();
}
try {
reporter.writeReport(binfo, System.getProperties());
} catch (IOException e) {
System.err.println("Error: failed to write benchmark report");
}
}
/**
* Clean up method that is invoked after the completion of each benchmark.
* The default implementation calls System.gc(); subclasses may override
* this to perform additional cleanup measures.
*/
protected void cleanup() {
System.gc();
}
}