/*
* Copyright (c) 2000, 2008, 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.rmi;
import bench.ConfigFormatException;
import bench.Harness;
import bench.HtmlReporter;
import bench.Reporter;
import bench.TextReporter;
import bench.XmlReporter;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.PrintStream;
import java.rmi.RemoteException;
import java.rmi.RMISecurityManager;
import java.rmi.registry.LocateRegistry;
import java.rmi.registry.Registry;
import java.rmi.server.RemoteObject;
import java.util.Timer;
import java.util.TimerTask;
/*
* RMI/Serialization benchmark tests.
*/
public class Main {
/**
* RMI-specific benchmark harness.
*/
static class RMIHarness extends Harness {
/**
* Construct new RMI benchmark harness.
*/
RMIHarness(InputStream in) throws IOException, ConfigFormatException {
super(in);
}
/**
* Cleanup both client and server side in between each benchmark.
*/
protected void cleanup() {
System.gc();
if (Main.runmode == CLIENT) {
try {
Main.server.gc();
} catch (Exception e) {
System.err.println("Warning: server gc failed: " + e);
}
}
}
}
static final String CONFFILE = "/bench/rmi/config";
static final String VERSION = "1.3";
static final String REGNAME = "server";
static final int SAMEVM = 0;
static final int CLIENT = 1;
static final int SERVER = 2;
static final int TEXT = 0;
static final int HTML = 1;
static final int XML = 2;
static boolean verbose;
static boolean list;
static boolean exitOnTimer;
static int testDurationSeconds;
static volatile boolean exitRequested;
static Timer timer;
static int format = TEXT;
static int runmode;
static InputStream confstr;
static OutputStream repstr;
static String host;
static int port;
static RMIHarness harness;
static Reporter reporter;
static BenchServer server;
static BenchServerImpl serverImpl;
/**
* Returns reference to benchmark server.
*/
public static BenchServer getBenchServer() {
return server;
}
/**
* Prints help message.
*/
static void usage() {
PrintStream p = System.err;
p.println("\nUsage: java -jar rmibench.jar [-options]");
p.println("\nwhere options are:");
p.println(" -h print this message");
p.println(" -v verbose mode");
p.println(" -l list configuration file");
p.println(" -t <num hours> repeat benchmarks for specified number of hours");
p.println(" -o <file> specify output file");
p.println(" -c <file> specify (non-default) " +
"configuration file");
p.println(" -html format output as html " +
"(default is text)");
p.println(" -xml format output as xml");
p.println(" -client <host:port> run benchmark client using server " +
"on specified host/port");
p.println(" -server <port> run benchmark server on given port");
}
/**
* Print error message and exit.
*/
static void die(String mesg) {
System.err.println(mesg);
System.exit(1);
}
/**
* Stop server and exit.
*/
public static void exit() {
switch (runmode) {
case CLIENT:
if (server != null) {
try {
server.terminate(0);
} catch (RemoteException re) {
// ignore
}
}
default:
System.exit(0);
}
}
/**
* Benchmark mainline.
*/
public static void main(String[] args) {
setupSecurity();
parseArgs(args);
setupStreams();
if (list) {
listConfig();
} else {
setupServer();
if (runmode != SERVER) {
setupHarness();
setupReporter();
if (exitOnTimer) {
setupTimer(testDurationSeconds);
while (true) {
runBenchmarks();
if (exitRequested) {
exit();
}
}
} else {
runBenchmarks();
exit();
}
}
}
}
/**
* Parse command-line arguments.
*/
static void parseArgs(String[] args) {
for (int i = 0; i < args.length; i++) {
if (args[i].equals("-h")) {
usage();
System.exit(0);
} else if (args[i].equals("-v")) {
verbose = true;
} else if (args[i].equals("-l")) {
list = true;
} else if (args[i].equals("-t")) {
if (++i >= args.length)
die("Error: no timeout value specified");
try {
exitOnTimer = true;
testDurationSeconds = Integer.parseInt(args[i]) * 3600;
} catch (Exception e) {
die("Error: unable to determine timeout value");
}
} else if (args[i].equals("-o")) {
if (++i >= args.length)
die("Error: no output file specified");
try {
repstr = new FileOutputStream(args[i]);
} catch (IOException e) {
die("Error: unable to open \"" + args[i] + "\"");
}
} else if (args[i].equals("-c")) {
if (++i >= args.length)
die("Error: no config file specified");
try {
confstr = new FileInputStream(args[i]);
} catch (IOException e) {
die("Error: unable to open \"" + args[i] + "\"");
}
} else if (args[i].equals("-html")) {
if (format != TEXT)
die("Error: conflicting formats");
format = HTML;
} else if (args[i].equals("-xml")) {
if (format != TEXT)
die("Error: conflicting formats");
format = XML;
} else if (args[i].equals("-client")) {
if (runmode == CLIENT)
die("Error: multiple -client options");
if (runmode == SERVER)
die("Error: -client and -server options conflict");
if (++i >= args.length)
die("Error: -client missing host/port");
try {
int sepi = args[i].indexOf(':');
host = args[i].substring(0, sepi);
port = Integer.parseInt(args[i].substring(sepi + 1));
} catch (Exception e) {
die("Error: illegal host/port specified for -client");
}
runmode = CLIENT;
} else if (args[i].equals("-server")) {
if (runmode == CLIENT)
die("Error: -client and -server options conflict");
if (runmode == SERVER)
die("Error: multiple -server options");
if (++i >= args.length)
die("Error: -server missing port");
try {
port = Integer.parseInt(args[i]);
} catch (Exception e) {
die("Error: illegal port specified for -server");
}
runmode = SERVER;
} else {
System.err.println("Illegal option: \"" + args[i] + "\"");
usage();
System.exit(1);
}
}
}
/**
* Set up security manager and policy, if not set already.
*/
static void setupSecurity() {
if (System.getSecurityManager() != null)
return;
/* As of 1.4, it is too late to set the security policy
* file at this point so these line have been commented out.
*/
//System.setProperty("java.security.policy",
// Main.class.getResource("/bench/rmi/policy.all").toString());
System.setSecurityManager(new RMISecurityManager());
}
/**
* Set up configuration file and report streams, if not set already.
*/
static void setupStreams() {
if (repstr == null)
repstr = System.out;
if (confstr == null)
confstr = (new Main()).getClass().getResourceAsStream(CONFFILE);
if (confstr == null)
die("Error: unable to find default config file");
}
/**
* Print contents of configuration file to selected output stream.
*/
static void listConfig() {
try {
byte[] buf = new byte[256];
int len;
while ((len = confstr.read(buf)) != -1)
repstr.write(buf, 0, len);
} catch (IOException e) {
die("Error: failed to list config file");
}
}
/**
* Setup benchmark server.
*/
static void setupServer() {
switch (runmode) {
case SAMEVM:
try {
serverImpl = new BenchServerImpl();
server = (BenchServer) RemoteObject.toStub(serverImpl);
} catch (Exception e) {
die("Error: failed to create local server: " + e);
}
if (verbose)
System.out.println("Benchmark server created locally");
break;
case CLIENT:
try {
Registry reg = LocateRegistry.getRegistry(host, port);
server = (BenchServer) reg.lookup(REGNAME);
} catch (Exception e) {
die("Error: failed to connect to server: " + e);
}
if (server == null) {
die("Error: server not found");
}
if (verbose) {
System.out.println("Connected to benchmark server on " +
host + ":" + port);
}
break;
case SERVER:
try {
Registry reg = LocateRegistry.createRegistry(port);
serverImpl = new BenchServerImpl();
reg.bind(REGNAME, serverImpl);
} catch (Exception e) {
die("Error: failed to initialize server: " + e);
}
if (verbose) {
System.out.println("Benchmark server started on port " +
port);
}
break;
default:
throw new InternalError("illegal runmode");
}
}
/**
* Set up the timer to end the test.
*
* @param delay the amount of delay, in seconds, before requesting
* the process exit
*/
static void setupTimer(int delay) {
timer = new Timer(true);
timer.schedule(
new TimerTask() {
public void run() {
exitRequested = true;
}
},
delay * 1000);
}
/**
* Set up benchmark harness.
*/
static void setupHarness() {
try {
harness = new RMIHarness(confstr);
} catch (ConfigFormatException e) {
String errmsg = e.getMessage();
if (errmsg != null) {
die("Error parsing config file: " + errmsg);
} else {
die("Error: illegal config file syntax");
}
} catch (IOException e) {
die("Error: failed to read config file");
}
}
/**
* Setup benchmark reporter.
*/
static void setupReporter() {
String title = "RMI Benchmark, v" + VERSION;
switch (format) {
case TEXT:
reporter = new TextReporter(repstr, title);
break;
case HTML:
reporter = new HtmlReporter(repstr, title);
break;
case XML:
reporter = new XmlReporter(repstr, title);
break;
default:
die("Error: unrecognized format type");
}
}
/**
* Run benchmarks.
*/
static void runBenchmarks() {
harness.runBenchmarks(reporter, verbose);
}
}