public static void readFile(String filenameIn, int bufferSize) throws IOException {
long lenIn = new File(filenameIn).length();
if (debug) System.out.println("read " + filenameIn + " len = " + lenIn);
InputStream in = new FileInputStream(filenameIn);
long total = 0;
long start = System.currentTimeMillis();
byte[] buffer = new byte[bufferSize];
while (true) {
int bytesRead = in.read(buffer);
if (bytesRead == -1) break;
total += buffer[0];
}
double took = .001 * (System.currentTimeMillis() - start);
in.close();
double rate = lenIn / took / (1000 * 1000);
System.out.println(
" copy ("
+ bufferSize
+ ") took = "
+ took
+ " sec; rate = "
+ rate
+ "Mb/sec total="
+ total);
}
public static void copyFile(String filenameIn, String filenameOut, boolean buffer)
throws IOException {
long lenIn = new File(filenameIn).length();
if (debug) System.out.println("read " + filenameIn + " len = " + lenIn);
InputStream in = new FileInputStream(filenameIn);
if (buffer) new BufferedInputStream(in, 10000);
OutputStream out = new FileOutputStream(filenameOut);
if (buffer) out = new BufferedOutputStream(out, 1000);
long start = System.currentTimeMillis();
IO.copyB(in, out, 10000);
out.flush();
double took = .001 * (System.currentTimeMillis() - start);
out.close();
in.close();
long lenOut = new File(filenameOut).length();
if (debug) System.out.println(" write file= " + filenameOut + " len = " + lenOut);
double rate = lenIn / took / (1000 * 1000);
String name = buffer ? "buffer" : "no buffer";
System.out.println(" copy (" + name + ") took = " + took + " sec; rate = " + rate + "Mb/sec");
}
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 {
System.out.println("Input Stream:");
long start = System.currentTimeMillis();
Path filename = Paths.get(args[0]);
long crcValue = checksumInputStream(filename);
long end = System.currentTimeMillis();
System.out.println(Long.toHexString(crcValue));
System.out.println((end - start) + " milliseconds");
System.out.println("Buffered Input Stream:");
start = System.currentTimeMillis();
crcValue = checksumBufferedInputStream(filename);
end = System.currentTimeMillis();
System.out.println(Long.toHexString(crcValue));
System.out.println((end - start) + " milliseconds");
System.out.println("Random Access File:");
start = System.currentTimeMillis();
crcValue = checksumRandomAccessFile(filename);
end = System.currentTimeMillis();
System.out.println(Long.toHexString(crcValue));
System.out.println((end - start) + " milliseconds");
System.out.println("Mapped File:");
start = System.currentTimeMillis();
crcValue = checksumMappedFile(filename);
end = System.currentTimeMillis();
System.out.println(Long.toHexString(crcValue));
System.out.println((end - start) + " milliseconds");
}
public static void main(String args[]) throws IOException {
ServerSocket sSocket = new ServerSocket(sPort, 10);
// Arguments Handling
if (args.length != 1) {
System.out.println("Must specify a file-path argument.");
} else {
String currentDir = System.getProperty("user.dir");
filePath = currentDir + "/src/srcFile/" + args[0];
filename = args[0];
}
// Get list of chunks owned
chunkOwned();
// Call FileSplitter
FileSplitter fs = new FileSplitter();
fs.split(filePath);
System.out.println("Waiting for connection");
while (true) {
Socket connection = sSocket.accept();
System.out.println("Connection received from " + connection.getInetAddress().getHostName());
new Thread(new MultiThreadServer(connection)).start();
}
}
/**
* Fill the current buffer with bytes from the specified array from the specified offset.
*
* @param s source array
* @param o offset from the beginning of the array
* @return number of written bytes
*/
private int write(final byte[] s, final int o) {
final Buffer bf = bm.current();
final int len = Math.min(IO.BLOCKSIZE, s.length - o);
System.arraycopy(s, o, bf.data, 0, len);
bf.dirty = true;
return len;
}
void add(Target t) {
SocketChannel sc = null;
try {
sc = SocketChannel.open();
sc.configureBlocking(false);
boolean connected = sc.connect(t.address);
t.channel = sc;
t.connectStart = System.currentTimeMillis();
if (connected) {
t.connectFinish = t.connectStart;
sc.close();
printer.add(t);
} else {
synchronized (pending) {
pending.add(t);
}
sel.wakeup();
}
} catch (IOException x) {
if (sc != null) {
try {
sc.close();
} catch (IOException xx) {
}
}
t.failure = x;
printer.add(t);
}
}
public DatagramChannel connect(SocketAddress sa) throws IOException {
int localPort = 0;
synchronized (readLock) {
synchronized (writeLock) {
synchronized (stateLock) {
ensureOpenAndUnconnected();
InetSocketAddress isa = Net.checkAddress(sa);
SecurityManager sm = System.getSecurityManager();
if (sm != null) sm.checkConnect(isa.getAddress().getHostAddress(), isa.getPort());
int n = Net.connect(family, fd, isa.getAddress(), isa.getPort());
if (n <= 0) throw new Error(); // Can't happen
// Connection succeeded; disallow further invocation
state = ST_CONNECTED;
remoteAddress = sa;
sender = isa;
cachedSenderInetAddress = isa.getAddress();
cachedSenderPort = isa.getPort();
// set or refresh local address
localAddress = Net.localAddress(fd);
}
}
}
return this;
}
@Override
public DatagramChannel bind(SocketAddress local) throws IOException {
synchronized (readLock) {
synchronized (writeLock) {
synchronized (stateLock) {
ensureOpen();
if (localAddress != null) throw new AlreadyBoundException();
InetSocketAddress isa;
if (local == null) {
// only Inet4Address allowed with IPv4 socket
if (family == StandardProtocolFamily.INET) {
isa = new InetSocketAddress(InetAddress.getByName("0.0.0.0"), 0);
} else {
isa = new InetSocketAddress(0);
}
} else {
isa = Net.checkAddress(local);
// only Inet4Address allowed with IPv4 socket
if (family == StandardProtocolFamily.INET) {
InetAddress addr = isa.getAddress();
if (!(addr instanceof Inet4Address)) throw new UnsupportedAddressTypeException();
}
}
SecurityManager sm = System.getSecurityManager();
if (sm != null) {
sm.checkListen(isa.getPort());
}
Net.bind(family, fd, isa.getAddress(), isa.getPort());
localAddress = Net.localAddress(fd);
}
}
}
return this;
}
public void addTarget(Target target) {
// 向targets队列中加入一个任务
SocketChannel socketChannel = null;
try {
socketChannel = SocketChannel.open();
socketChannel.configureBlocking(false);
socketChannel.connect(target.address);
target.channel = socketChannel;
target.connectStart = System.currentTimeMillis();
synchronized (targets) {
targets.add(target);
}
selector.wakeup();
} catch (Exception x) {
if (socketChannel != null) {
try {
socketChannel.close();
} catch (IOException xx) {
}
}
target.failure = x;
addFinishedTarget(target);
}
}
public static void copyFile2null(String filenameIn, int buffer) throws IOException {
long lenIn = new File(filenameIn).length();
if (debug) System.out.println("read " + filenameIn + " len = " + lenIn);
InputStream in = new FileInputStream(filenameIn);
long start = System.currentTimeMillis();
IO.copy2null(in, buffer);
double took = .001 * (System.currentTimeMillis() - start);
in.close();
double rate = lenIn / took / (1000 * 1000);
System.out.println(
" copy (" + filenameIn + ") took = " + took + " sec; rate = " + rate + "Mb/sec");
}
// Send File
public void sendFile(String chunkName) throws IOException {
OutputStream os = null;
String currentDir = System.getProperty("user.dir");
chunkName = currentDir + "/src/srcFile/" + chunkName;
File myFile = new File(chunkName);
byte[] arrby = new byte[(int) myFile.length()];
try {
FileInputStream fis = new FileInputStream(myFile);
BufferedInputStream bis = new BufferedInputStream(fis);
bis.read(arrby, 0, arrby.length);
os = csocket.getOutputStream();
System.out.println("Sending File.");
os.write(arrby, 0, arrby.length);
os.flush();
System.out.println("File Sent.");
// os.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} finally {
// os.close();
}
}
public static void logInit(boolean force) throws IOException {
if (!IsLogInitialized || force) {
LogManager.getLogManager()
.readConfiguration(
LibRt.class.getClassLoader().getResourceAsStream("cfg.logging.properties"));
String logFile = System.getProperty("CfgLog");
if (logFile != null) {
LogManager.getLogManager().readConfiguration(new FileInputStream(logFile));
}
try {
LogLvlMax = Integer.parseInt(System.getProperty("LogLvlMax", LogLvlMax + ""));
} catch (Exception ex) {
}
; // XXX: mostrar mensaje?
}
}
void send(byte[] data) throws IOException {
SocketChannel channel = (SocketChannel) key.channel();
verboseLog("TCP write", data);
byte[] lengthArray = new byte[2];
lengthArray[0] = (byte) (data.length >>> 8);
lengthArray[1] = (byte) (data.length & 0xFF);
ByteBuffer[] buffers = new ByteBuffer[2];
buffers[0] = ByteBuffer.wrap(lengthArray);
buffers[1] = ByteBuffer.wrap(data);
int nsent = 0;
key.interestOps(SelectionKey.OP_WRITE);
try {
while (nsent < data.length + 2) {
if (key.isWritable()) {
long n = channel.write(buffers);
if (n < 0) throw new EOFException();
nsent += (int) n;
if (nsent < data.length + 2 && System.currentTimeMillis() > endTime)
throw new SocketTimeoutException();
} else blockUntil(key, endTime);
}
} finally {
if (key.isValid()) key.interestOps(0);
}
}
/** run */
public void run() {
long now = System.currentTimeMillis();
if ((socketCleaner == null) || (now - entry.getLastUse() >= connectionTimeout)) {
if (logger.isDebugEnabled()) {
logger.debug(
"Socket has not been used for "
+ (now - entry.getLastUse())
+ " micro seconds, closing it");
}
sockets.remove(entry.getPeerAddress());
try {
synchronized (entry) {
entry.getSocket().close();
}
logger.info("Socket to " + entry.getPeerAddress() + " closed due to timeout");
} catch (IOException ex) {
logger.error(ex);
}
} else {
if (logger.isDebugEnabled()) {
logger.debug("Scheduling " + ((entry.getLastUse() + connectionTimeout) - now));
}
socketCleaner.schedule(
new SocketTimeout(entry), (entry.getLastUse() + connectionTimeout) - now);
}
}
public boolean connect(SocketAddress sa) throws IOException {
int trafficClass = 0; // ## Pick up from options
int localPort = 0;
synchronized (readLock) {
synchronized (writeLock) {
ensureOpenAndUnconnected();
InetSocketAddress isa = Net.checkAddress(sa);
SecurityManager sm = System.getSecurityManager();
if (sm != null) sm.checkConnect(isa.getAddress().getHostAddress(), isa.getPort());
synchronized (blockingLock()) {
int n = 0;
try {
try {
begin();
synchronized (stateLock) {
if (!isOpen()) {
return false;
}
readerThread = NativeThread.current();
}
for (; ; ) {
InetAddress ia = isa.getAddress();
if (ia.isAnyLocalAddress()) ia = InetAddress.getLocalHost();
n = connectImpl(ia, isa.getPort(), trafficClass);
if ((n == IOStatus.INTERRUPTED) && isOpen()) continue;
break;
}
} finally {
readerCleanup();
end((n > 0) || (n == IOStatus.UNAVAILABLE));
assert IOStatus.check(n);
}
} catch (IOException x) {
// If an exception was thrown, close the channel after
// invoking end() so as to avoid bogus
// AsynchronousCloseExceptions
close();
throw x;
}
synchronized (stateLock) {
remoteAddress = isa;
if (n > 0) {
// Connection succeeded; disallow further
// invocation
state = ST_CONNECTED;
return true;
}
// If nonblocking and no exception then connection
// pending; disallow another invocation
if (!isBlocking()) state = ST_PENDING;
else assert false;
}
}
return false;
}
}
}
/*
* (non-Javadoc)
*
* @see
* org.apache.mina.core.service.IoHandlerAdapter#sessionIdle(org.apache.
* mina.core.session.IoSession, org.apache.mina.core.session.IdleStatus)
*/
public void sessionIdle(IoSession session, IdleStatus status) throws Exception {
if (IdleStatus.BOTH_IDLE.equals(status)) {
Long l = (Long) session.getAttribute("last");
if (l != null && System.currentTimeMillis() - l > 60 * 1000) {
session.close(true);
}
}
}
public static void runTests() {
try {
// SHA1 sha1Jmule = new SHA1();
MessageDigest sha1Sun = MessageDigest.getInstance("SHA-1");
SHA1 sha1Gudy = new SHA1();
// SHA1Az shaGudyResume = new SHA1Az();
ByteBuffer buffer = ByteBuffer.allocate(1024 * 1024);
File dir = new File(dirname);
File[] files = dir.listFiles();
for (int i = 0; i < files.length; i++) {
FileChannel fc = new RandomAccessFile(files[i], "r").getChannel();
System.out.println("Testing " + files[i].getName() + " ...");
while (fc.position() < fc.size()) {
fc.read(buffer);
buffer.flip();
byte[] raw = new byte[buffer.limit()];
System.arraycopy(buffer.array(), 0, raw, 0, raw.length);
sha1Gudy.update(buffer);
sha1Gudy.saveState();
ByteBuffer bb = ByteBuffer.wrap(new byte[56081]);
sha1Gudy.digest(bb);
sha1Gudy.restoreState();
sha1Sun.update(raw);
buffer.clear();
}
byte[] sun = sha1Sun.digest();
sha1Sun.reset();
byte[] gudy = sha1Gudy.digest();
sha1Gudy.reset();
if (Arrays.equals(sun, gudy)) {
System.out.println(" SHA1-Gudy: OK");
} else {
System.out.println(" SHA1-Gudy: FAILED");
}
buffer.clear();
fc.close();
System.out.println();
}
} catch (Throwable e) {
Debug.printStackTrace(e);
}
}
@Override
protected void copy(final byte[] entries, final int pre, final int last) {
for (int o = 0, i = pre; i < last; ++i, o += IO.NODESIZE) {
final int off = cursor(i);
final Buffer bf = bm.current();
System.arraycopy(entries, o, bf.data, off, IO.NODESIZE);
bf.dirty = true;
}
}
@Override
<A> Future<Void> implConnect(
SocketAddress remote, A attachment, CompletionHandler<Void, ? super A> handler) {
if (!isOpen()) {
Throwable exc = new ClosedChannelException();
if (handler == null) return CompletedFuture.withFailure(exc);
Invoker.invoke(this, handler, attachment, null, exc);
return null;
}
InetSocketAddress isa = Net.checkAddress(remote);
// permission check
SecurityManager sm = System.getSecurityManager();
if (sm != null) sm.checkConnect(isa.getAddress().getHostAddress(), isa.getPort());
// check and update state
// ConnectEx requires the socket to be bound to a local address
IOException bindException = null;
synchronized (stateLock) {
if (state == ST_CONNECTED) throw new AlreadyConnectedException();
if (state == ST_PENDING) throw new ConnectionPendingException();
if (localAddress == null) {
try {
bind(new InetSocketAddress(0));
} catch (IOException x) {
bindException = x;
}
}
if (bindException == null) state = ST_PENDING;
}
// handle bind failure
if (bindException != null) {
try {
close();
} catch (IOException ignore) {
}
if (handler == null) return CompletedFuture.withFailure(bindException);
Invoker.invoke(this, handler, attachment, null, bindException);
return null;
}
// setup task
PendingFuture<Void, A> result = new PendingFuture<Void, A>(this, handler, attachment);
ConnectTask task = new ConnectTask<A>(isa, result);
result.setContext(task);
// initiate I/O
if (Iocp.supportsThreadAgnosticIo()) {
task.run();
} else {
Invoker.invokeOnThreadInThreadPool(this, task);
}
return result;
}
void _open() throws IOException {
long sleepTime = 100;
final long start = System.currentTimeMillis();
while (true) {
IOException lastError = null;
try {
_sock = SocketChannel.open();
_socket = _sock.socket();
_socket.connect(_addr, _options.connectTimeout);
_socket.setTcpNoDelay(!USE_NAGLE);
_socket.setSoTimeout(_options.socketTimeout);
_in = _socket.getInputStream();
return;
} catch (IOException ioe) {
// TODO - erh to fix lastError = new IOException( "couldn't connect to [" +
// _addr + "] bc:" + lastError , lastError );
lastError = new IOException("couldn't connect to [" + _addr + "] bc:" + ioe);
_logger.log(Level.INFO, "connect fail to : " + _addr, ioe);
}
if (!_options.autoConnectRetry || (_pool != null && !_pool._everWorked)) throw lastError;
long sleptSoFar = System.currentTimeMillis() - start;
if (sleptSoFar >= CONN_RETRY_TIME_MS) throw lastError;
if (sleepTime + sleptSoFar > CONN_RETRY_TIME_MS) sleepTime = CONN_RETRY_TIME_MS - sleptSoFar;
_logger.severe(
"going to sleep and retry. total sleep time after = "
+ (sleptSoFar + sleptSoFar)
+ "ms this time:"
+ sleepTime
+ "ms");
ThreadUtil.sleep(sleepTime);
sleepTime *= 2;
}
}
public static void copyURL2null(String url, int bufferSize) throws IOException {
long start = System.currentTimeMillis();
long count = IO.copyUrlB(url, null, bufferSize);
double len = (double) count / (1000 * 1000);
double took = .001 * (System.currentTimeMillis() - start);
double rate = len / took;
System.out.println(
" copyURL2null ("
+ url
+ ") took = "
+ took
+ " sec; len= "
+ len
+ " Mbytes; rate = "
+ Format.d(rate, 3)
+ " Mb/sec");
}
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 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 static void copyFileNIO(String filenameIn, String filenameOut, long kbchunks)
throws IOException {
FileInputStream in = new FileInputStream(filenameIn);
FileChannel inChannel = in.getChannel();
FileOutputStream out = new FileOutputStream(filenameOut);
FileChannel outChannel = out.getChannel();
long size = inChannel.size();
// outChannel.position(size-2);
// outChannel.write(ByteBuffer.allocate(1));
// outChannel.position(0);
if (debug)
System.out.println(
"read " + filenameIn + " len = " + size + " out starts at=" + outChannel.position());
long start = System.currentTimeMillis();
long done = 0;
while (done < size) {
long need = Math.min(kbchunks * 1000, size - done);
done += inChannel.transferTo(done, need, outChannel);
}
outChannel.close();
inChannel.close();
double took = .001 * (System.currentTimeMillis() - start);
if (debug) System.out.println(" write file= " + filenameOut + " len = " + size);
double rate = size / took / (1000 * 1000);
System.out.println(
" copyFileNIO("
+ kbchunks
+ " kb chunk) took = "
+ took
+ " sec; rate = "
+ rate
+ "Mb/sec");
}
@Override
public void run() {
try {
out = new ObjectOutputStream(csocket.getOutputStream());
out.flush();
in = new ObjectInputStream(csocket.getInputStream());
// Look for chunks
String currentDir = System.getProperty("user.dir");
File folder = new File(currentDir + "/src/srcFile");
File[] listOfFiles = folder.listFiles();
int fileCount = 0;
OutputStream os;
for (int i = 0; i < listOfFiles.length; i++) {
if (listOfFiles[i].isFile()
&& listOfFiles[i]
.getName()
.toLowerCase()
.contains("chunk")) { // 0 1 10 11 12 13 14 2 20 21 22 23 3 4 5 ....
fileCount++;
String chunkName = listOfFiles[i].getName().toString();
chunkId = chunkName.substring(chunkName.lastIndexOf('.') + 6);
xPayload(chunkId);
if ((connTo.equals("2") && Integer.parseInt(chunkId) % noDev == 0)
|| (connTo.equals("3") && (Integer.parseInt(chunkId) - 1) % noDev == 0)
|| (connTo.equals("4") && (Integer.parseInt(chunkId) - 2) % noDev == 0)
|| (connTo.equals("5") && (Integer.parseInt(chunkId) - 3) % noDev == 0)
|| (connTo.equals("6") && (Integer.parseInt(chunkId) - 4) % noDev == 0)) {
System.out.println(chunkName);
sendFile(chunkName);
}
}
}
xPayload("-1");
System.out.println("All chunks sent.");
} catch (IOException ioException) {
ioException.printStackTrace();
} finally {
// Close connections
try {
in.close();
out.close();
csocket.close();
System.out.println("Thread closed.");
} catch (IOException ioException) {
System.out.println("Client " + devId + " disconnected.");
}
}
}
@Override
public void close() throws BlockStoreException {
try {
buffer.force();
if (System.getProperty("os.name").toLowerCase().contains("win")) {
log.info("Windows mmap hack: Forcing buffer cleaning");
WindowsMMapHack.forceRelease(buffer);
}
buffer = null; // Allow it to be GCd and the underlying file mapping to go away.
randomAccessFile.close();
} catch (IOException e) {
throw new BlockStoreException(e);
}
}
public static void main(String[] args) {
if (args.length < 1) {
System.err.println("usage: [jre] event.Speed [client|server]");
}
if ("client".equals(args[0])) {
time = System.currentTimeMillis();
client();
} else if ("classic-client".equals(args[0])) {
classicClient();
} else {
server();
}
}
public static void copyURL(String url, String filenameOut, int bufferSize) throws IOException {
File outFile = new File(filenameOut);
long start = System.currentTimeMillis();
String ok = IO.readURLtoFileWithExceptions(url, outFile, bufferSize);
double took = .001 * (System.currentTimeMillis() - start);
double len = (double) outFile.length() / (1000 * 1000);
double rate = len / took;
System.out.println(
" copyURL ("
+ url
+ ") took = "
+ took
+ " sec; len= "
+ len
+ " Mbytes; rate = "
+ Format.d(rate, 3)
+ "Mb/sec ok="
+ ok);
}
public int send(ByteBuffer src, SocketAddress target) throws IOException {
if (src == null) throw new NullPointerException();
synchronized (writeLock) {
ensureOpen();
InetSocketAddress isa = Net.checkAddress(target);
InetAddress ia = isa.getAddress();
if (ia == null) throw new IOException("Target address not resolved");
synchronized (stateLock) {
if (!isConnected()) {
if (target == null) throw new NullPointerException();
SecurityManager sm = System.getSecurityManager();
if (sm != null) {
if (ia.isMulticastAddress()) {
sm.checkMulticast(ia);
} else {
sm.checkConnect(ia.getHostAddress(), isa.getPort());
}
}
} else { // Connected case; Check address then write
if (!target.equals(remoteAddress)) {
throw new IllegalArgumentException("Connected address not equal to target address");
}
return write(src);
}
}
int n = 0;
try {
begin();
if (!isOpen()) return 0;
writerThread = NativeThread.current();
do {
n = send(fd, src, isa);
} while ((n == IOStatus.INTERRUPTED) && isOpen());
synchronized (stateLock) {
if (isOpen() && (localAddress == null)) {
localAddress = Net.localAddress(fd);
}
}
return IOStatus.normalize(n);
} finally {
writerThread = 0;
end((n > 0) || (n == IOStatus.UNAVAILABLE));
assert IOStatus.check(n);
}
}
}
