public DatagramChannelImpl(SelectorProvider sp, FileDescriptor fd) throws IOException {
   super(sp);
   this.family =
       Net.isIPv6Available() ? StandardProtocolFamily.INET6 : StandardProtocolFamily.INET;
   this.fd = fd;
   this.fdVal = IOUtil.fdVal(fd);
   this.state = ST_UNCONNECTED;
   this.localAddress = Net.localAddress(fd);
 }
Ejemplo n.º 2
0
 static void load() {
   synchronized (Util.class) {
     if (loaded) return;
     loaded = true;
     java.security.AccessController.doPrivileged(new sun.security.action.LoadLibraryAction("net"));
     java.security.AccessController.doPrivileged(new sun.security.action.LoadLibraryAction("nio"));
     // IOUtil must be initialized; Its native methods are called from
     // other places in native nio code so they must be set up.
     IOUtil.initIDs();
   }
 }
 public DatagramChannelImpl(SelectorProvider sp) throws IOException {
   super(sp);
   ResourceManager.beforeUdpCreate();
   try {
     this.family =
         Net.isIPv6Available() ? StandardProtocolFamily.INET6 : StandardProtocolFamily.INET;
     this.fd = Net.socket(family, false);
     this.fdVal = IOUtil.fdVal(fd);
     this.state = ST_UNCONNECTED;
   } catch (IOException ioe) {
     ResourceManager.afterUdpClose();
     throw ioe;
   }
 }
 public DatagramChannelImpl(SelectorProvider sp, ProtocolFamily family) throws IOException {
   super(sp);
   if ((family != StandardProtocolFamily.INET) && (family != StandardProtocolFamily.INET6)) {
     if (family == null) throw new NullPointerException("'family' is null");
     else throw new UnsupportedOperationException("Protocol family not supported");
   }
   if (family == StandardProtocolFamily.INET6) {
     if (!Net.isIPv6Available()) {
       throw new UnsupportedOperationException("IPv6 not available");
     }
   }
   this.family = family;
   this.fd = Net.socket(family, false);
   this.fdVal = IOUtil.fdVal(fd);
   this.state = ST_UNCONNECTED;
 }
 public long read(ByteBuffer[] dsts) throws IOException {
   if (dsts == null) throw new NullPointerException();
   ensureOpen();
   synchronized (lock) {
     long n = 0;
     try {
       begin();
       if (!isOpen()) return 0;
       thread = NativeThread.current();
       do {
         n = IOUtil.read(fd, dsts, nd);
       } while ((n == IOStatus.INTERRUPTED) && isOpen());
       return IOStatus.normalize(n);
     } finally {
       thread = 0;
       end((n > 0) || (n == IOStatus.UNAVAILABLE));
       assert IOStatus.check(n);
     }
   }
 }
 public int write(ByteBuffer buf) throws IOException {
   if (buf == null) throw new NullPointerException();
   synchronized (writeLock) {
     synchronized (stateLock) {
       ensureOpen();
       if (!isConnected()) throw new NotYetConnectedException();
     }
     int n = 0;
     try {
       begin();
       if (!isOpen()) return 0;
       writerThread = NativeThread.current();
       do {
         n = IOUtil.write(fd, buf, -1, nd);
       } while ((n == IOStatus.INTERRUPTED) && isOpen());
       return IOStatus.normalize(n);
     } finally {
       writerThread = 0;
       end((n > 0) || (n == IOStatus.UNAVAILABLE));
       assert IOStatus.check(n);
     }
   }
 }
 public long write(ByteBuffer[] srcs, int offset, int length) throws IOException {
   if ((offset < 0) || (length < 0) || (offset > srcs.length - length))
     throw new IndexOutOfBoundsException();
   synchronized (writeLock) {
     synchronized (stateLock) {
       ensureOpen();
       if (!isConnected()) throw new NotYetConnectedException();
     }
     long n = 0;
     try {
       begin();
       if (!isOpen()) return 0;
       writerThread = NativeThread.current();
       do {
         n = IOUtil.write(fd, srcs, offset, length, nd);
       } while ((n == IOStatus.INTERRUPTED) && isOpen());
       return IOStatus.normalize(n);
     } finally {
       writerThread = 0;
       end((n > 0) || (n == IOStatus.UNAVAILABLE));
       assert IOStatus.check(n);
     }
   }
 }
Ejemplo n.º 8
0
 protected void implConfigureBlocking(boolean block) throws IOException {
   IOUtil.configureBlocking(fd, block);
 }
 SourceChannelImpl(SelectorProvider sp, FileDescriptor fd) {
   super(sp);
   this.fd = fd;
   this.fdVal = IOUtil.fdVal(fd);
   this.state = ST_INUSE;
 }
 static {
   IOUtil.load();
   initIDs();
 }