public static void main(String[] args) throws Exception {
if (args.length != 2) {
System.out.println("arguments: sourcefile destfile");
System.exit(1);
}
FileChannel in = new FileInputStream(args[0]).getChannel(),
out = new FileOutputStream(args[1]).getChannel();
in.transferTo(0, in.size(), out);
// Or:
// out.transferFrom(in, 0, in.size());
}
public void start() {
try {
domainStartTime = System.currentTimeMillis();
messageIO.start();
listener = new TcpServer(listenPort);
listener.registerAcceptCallback(this);
listener.start();
} catch (Exception e) {
Log.exception("DomainServer listener", e);
System.exit(1);
}
}
public static void main(String args[]) throws IOException {
if (args.length != 1) {
System.err.println("Usage: java LockingExample <input file>");
System.exit(0);
}
FileLock sharedLock = null;
FileLock exclusiveLock = null;
try {
RandomAccessFile raf = new RandomAccessFile(args[0], "rw");
// get the channel for the file
FileChannel channel = raf.getChannel();
System.out.println("trying to acquire lock ...");
// this locks the first half of the file - exclusive
exclusiveLock = channel.lock(0, raf.length() / 2, SHARED);
System.out.println("lock acquired ...");
/** Now modify the data . . . */
try {
// sleep for 10 seconds
Thread.sleep(10000);
} catch (InterruptedException ie) {
}
// release the lock
exclusiveLock.release();
System.out.println("lock released ...");
// this locks the second half of the file - shared
sharedLock = channel.lock(raf.length() / 2 + 1, raf.length(), SHARED);
/** Now read the data . . . */
// release the lock
sharedLock.release();
} catch (java.io.IOException ioe) {
System.err.println(ioe);
} finally {
if (exclusiveLock != null) exclusiveLock.release();
if (sharedLock != null) sharedLock.release();
}
}
private static void usage() {
System.out.println("NAME");
System.out.println(" HCIOTest - loop writing/reading/comparing data to/from files ");
System.out.println(" mimicing Honeycomb's IO patterns");
System.out.println();
System.out.println("SYNOPSIS");
System.out.println(" java HCIOTest Tempfile Permfile Size");
System.err.println();
System.out.println("DESCRIPTION");
System.out.println(" HCIOTest takes three parameters:");
System.out.println(" the complete path of the temporary file to be written");
System.out.println(" the complete path of the permanent file");
System.out.println(" the size of the file which must be a multiple of 4096");
System.out.println();
System.out.println("EXAMPLES");
System.out.println(" java HCIOTest /data/tmp/tempfile0 /data/testfile0 102400");
System.exit(1);
}
public static void main(String args[]) {
if (args.length != 1) {
System.out.println("Usage: java FastStreamCopy filename");
System.exit(1);
}
NumberFormat digits = NumberFormat.getInstance();
digits.setMaximumFractionDigits(3);
long before;
long after;
double slowTime;
double fastTime;
double speedUp;
String filename = args[0];
String contents;
// Slow method
System.out.println("Reading file " + args[0] + " using slow method");
before = System.currentTimeMillis(); // Start timing
// contents = slowStreamCopy(filename);
contents = readFile(filename);
after = System.currentTimeMillis(); // End timing
slowTime = after - before;
// System.out.println("File's contents:\n" + contents);
// Fast method
System.out.println("Reading file " + args[0] + " using fast method");
before = System.currentTimeMillis(); // Start timing
contents = fastStreamCopy(filename);
after = System.currentTimeMillis(); // End timing
fastTime = after - before;
// System.out.println("File's contents:\n" + contents);
// Comparison
speedUp = 100d * slowTime / fastTime;
System.out.println("Slow method required " + slowTime + " ms.");
System.out.println("Fast method required " + fastTime + " ms.");
System.out.print("Speed up = " + digits.format(speedUp) + "% ");
System.out.println(speedUp > 100 ? "Good!" : "Bad!");
}
public static void startRDPServer() {
if (rdpServerStarted) return;
rdpServerStarted = true;
rdpServerThread = new Thread(rdpServer, "RDPServer");
retryThread = new Thread(new RetryThread(), "RDPRetry");
packetCallbackThread = new Thread(new PacketCallbackThread(), "RDPCallback");
if (Log.loggingNet) Log.net("static - starting rdpserver thread");
try {
selector = Selector.open();
} catch (Exception e) {
Log.exception("RDPServer caught exception opening selector", e);
System.exit(1);
}
rdpServerThread.setPriority(rdpServerThread.getPriority() + 2);
if (Log.loggingDebug)
Log.debug(
"RDPServer: starting rdpServerThread with priority " + rdpServerThread.getPriority());
rdpServerThread.start();
retryThread.start();
packetCallbackThread.start();
}
private static void usage() {
System.out.println(
"Usage: Server <type> [options]\n"
+ " type:\n"
+ " B1 Blocking/Single-threaded Server\n"
+ " BN Blocking/Multi-threaded Server\n"
+ " BP Blocking/Pooled-Thread Server\n"
+ " N1 Nonblocking/Single-threaded Server\n"
+ " N2 Nonblocking/Dual-threaded Server\n"
+ "\n"
+ " options:\n"
+ " -port port port number\n"
+ " default: "
+ PORT
+ "\n"
+ " -backlog backlog backlog\n"
+ " default: "
+ BACKLOG
+ "\n"
+ " -secure encrypt with SSL/TLS");
System.exit(1);
}
/** @param args */
public static void main(String[] args) {
FileChannel fc = null;
RandomAccessFile raf = null;
// StringBuilder sb;
if (args.length != 1) {
System.out.println("Usage: Ntfs filename");
System.exit(1);
}
/*
sb = new StringBuilder();
int[] foo = {129,4,229,33};
for (int b: foo) {
sb.insert(0,String.format("%02X", b));
}
System.out.println(sb.toString());
System.exit(0);
*/
try {
raf = new RandomAccessFile(args[0], "r");
fc = raf.getChannel();
Filesystem fs = new Filesystem(fc);
fs.demo();
// fs.displayFs();
} catch (FileNotFoundException x) {
System.out.println("FNF exp: " + x.getMessage());
} catch (IOException x) {
System.out.println("IO exp: " + x.getMessage());
} finally {
if (raf != null)
try {
raf.close();
} catch (IOException e) {
e.printStackTrace(); // To change body of catch statement use File | Settings | File
// Templates.
}
}
}
public static void main(String[] argv) {
if (argv.length != 3) {
usage();
}
String tempFile = argv[0];
String testFile = argv[1];
int fileSize = Integer.valueOf(argv[2]).intValue();
int exitcode = 0;
int numRead;
int numThisBuf;
int numWritten;
if ((fileSize <= 0) || (fileSize % 4096 != 0)) {
System.out.println("Error: size is not a multiple of 4096!!!!!!");
System.out.println();
usage();
}
try {
int bufSize = 4096;
byte[] inBytes = new byte[bufSize];
byte[] outBytes = new byte[bufSize];
Random ioRandom = new Random(2006);
ioRandom.nextBytes(outBytes);
ByteBuffer inBuf = ByteBuffer.allocate(bufSize);
ByteBuffer outBuf = ByteBuffer.wrap(outBytes);
//
// Loop forever
//
while (true) {
//
// Write the temporary file
//
FileOutputStream fos = new FileOutputStream(tempFile);
FileChannel foc = fos.getChannel();
numWritten = 0;
while (numWritten < fileSize) {
outBuf.clear(); // sets limit to capacity & position to zero
while (outBuf.hasRemaining()) {
numWritten += foc.write(outBuf);
}
}
//
// Move to permanent location
//
FileChannel srcChannel = new FileInputStream(tempFile).getChannel();
FileChannel dstChannel = new FileOutputStream(testFile).getChannel();
dstChannel.transferFrom(srcChannel, 0, srcChannel.size());
srcChannel.close();
dstChannel.close();
boolean success = (new File(tempFile)).delete();
if (!success) {
System.out.println("Warning: unable to delete temporary file");
}
//
// Read and compare
//
FileInputStream fis = new FileInputStream(testFile);
FileChannel fic = fis.getChannel();
for (numRead = 0, numThisBuf = 0; numRead < fileSize; numThisBuf = 0) {
inBuf.rewind(); // Set the buffer position to 0
numThisBuf = fic.read(inBuf);
while (numThisBuf < bufSize) {
numThisBuf += fic.read(inBuf);
}
numRead += bufSize;
inBuf.rewind(); // Set the buffer position to 0
inBuf.get(inBytes);
boolean same = Arrays.equals(inBytes, outBytes);
if (same = false) {
System.out.println("Data read does not equal data written at " + numRead + " bytes");
}
}
}
} catch (FileNotFoundException fnfe) {
fnfe.printStackTrace(System.err);
exitcode = 1;
// break;
} catch (SecurityException se) {
se.printStackTrace(System.err);
exitcode = 1;
// break;
} catch (Throwable t) {
t.printStackTrace(System.err);
exitcode = 1;
}
System.exit(exitcode);
}
public static void main(String args[]) {
String worldName = System.getProperty("multiverse.worldname");
Properties properties = InitLogAndPid.initLogAndPid(args, worldName, null);
System.err.println("Multiverse server version " + ServerVersion.getVersionString());
List<String> agentNames = new LinkedList<String>();
LongOpt[] longopts = new LongOpt[2];
longopts[0] = new LongOpt("pid", LongOpt.REQUIRED_ARGUMENT, null, 2);
longopts[1] = new LongOpt("port", LongOpt.REQUIRED_ARGUMENT, null, 3);
Getopt opt = new Getopt("DomainServer", args, "a:m:t:p:P:", longopts);
int c;
int port = DEFAULT_PORT;
String portStr = properties.getProperty("multiverse.msgsvr_port");
if (portStr != null) port = Integer.parseInt(portStr);
PluginStartGroup pluginStartGroup = new PluginStartGroup();
while ((c = opt.getopt()) != -1) {
switch (c) {
case 'a':
agentNames.add(opt.getOptarg());
break;
case 't':
case 'm':
// ignore RuntimeMarshalling flags
opt.getOptarg();
break;
case 'p':
String pluginSpec = opt.getOptarg();
String[] pluginDef = pluginSpec.split(",", 2);
if (pluginDef.length != 2) {
System.err.println("Invalid plugin spec format: " + pluginSpec);
Log.error("Invalid plugin spec format: " + pluginSpec);
System.exit(1);
}
int expected = Integer.parseInt(pluginDef[1]);
pluginStartGroup.add(pluginDef[0], expected);
break;
case '?':
System.exit(1);
break;
case 'P':
break;
case 2:
// ignore --pid
opt.getOptarg();
break;
// port
case 3:
String arg = opt.getOptarg();
port = Integer.parseInt(arg);
break;
default:
break;
}
}
String svrName = System.getProperty("multiverse.loggername");
String runDir = System.getProperty("multiverse.rundir");
// Windows non-Cygwin only - save process ID for status script
if (System.getProperty("os.name").contains("Windows") && svrName != null && runDir != null) {
saveProcessID(svrName, runDir);
}
// parse command-line options
domainServer = new DomainServer(port);
domainServer.setAgentNames(agentNames);
domainServer.setWorldName(worldName);
domainServer.start();
pluginStartGroup.prepareDependencies(properties, worldName);
domainServer.addPluginStartGroup(pluginStartGroup);
pluginStartGroup.pluginAvailable("Domain", "Domain");
String timeoutStr = properties.getProperty("multiverse.startup_timeout");
int timeout = 120;
if (timeoutStr != null) {
timeout = Integer.parseInt(timeoutStr);
}
ScheduledExecutorService scheduler = Executors.newScheduledThreadPool(1);
ScheduledFuture<?> timeoutHandler =
scheduler.schedule(new TimeoutRunnable(timeout), timeout, TimeUnit.SECONDS);
javax.crypto.SecretKey domainKey = SecureTokenUtil.generateDomainKey();
// XXX Use a random keyID for now. Ideally, this would be semi-unique.
long keyId = new Random().nextLong();
encodedDomainKey = Base64.encodeBytes(SecureTokenUtil.encodeDomainKey(keyId, domainKey));
Log.debug("generated domain key: " + encodedDomainKey);
try {
pluginStartGroup.awaitDependency("Domain");
timeoutHandler.cancel(false);
String availableMessage = properties.getProperty("multiverse.world_available_message");
String availableFile = properties.getProperty("multiverse.world_available_file");
if (availableFile != null) touchFile(FileUtil.expandFileName(availableFile));
if (availableMessage != null) System.err.println("\n" + availableMessage);
while (true) {
Thread.sleep(10000000);
}
} catch (Exception ex) {
Log.exception("DomainServer.main", ex);
}
}
public static void readCommand() {
try {
if (!reader.ready()) {
return;
}
StringTokenizer tokens = new StringTokenizer(reader.readLine());
if (tokens.hasMoreTokens()) {
switch (tokens.nextToken()) {
case "/listen":
listen(tokens);
break;
case "/stop":
stop();
break;
case "/list":
if (port[0] == -1) {
System.err.println("Error: start listening before");
}
for (Entry<String, SocketChannel> client : clients.entrySet()) {
System.out.println(client.getKey());
}
if (clients.entrySet().isEmpty()) {
System.out.println("list: no clients online");
}
break;
case "/send":
if (tokens.hasMoreTokens()) {
String name = tokens.nextToken();
if (clients.containsKey(name)) {
if (tokens.hasMoreTokens()) {
sendMessage(
clients.get(name),
MessageUtils.message("<server>", getMessageFromTokens(tokens)));
} else {
System.err.println("send: message is empty");
}
} else {
System.err.println("send: no such client");
}
} else {
System.err.println("send: no client name");
}
break;
case "/sendall":
if (tokens.hasMoreTokens()) {
notifyAllClients(getMessageFromTokens(tokens));
} else {
System.err.println("sendall: message is empty");
}
break;
case "/kill":
kill(tokens);
break;
case "/exit":
if (port[0] != -1) {
stop();
}
Utils.tryClose(selector);
System.exit(0);
break;
default:
System.err.print("Error: unknown command");
break;
}
} else {
System.err.println("Error: empty input");
}
} catch (Exception expt) {
Utils.printErrorAndExit(expt.getMessage());
}
}
