Examples with SctpChannel com.sun.nio.sctp.SctpChannel used on opensource projects

Example 6 with SctpChannel

use of com.sun.nio.sctp.SctpChannel in project jdk8u_jdk by JetBrains.

the class Util method isSCTPSupported.

static boolean isSCTPSupported() {
    try {
        SctpChannel c = SctpChannel.open();
        c.close();
        return true;
    } catch (IOException ioe) {
        ioe.printStackTrace();
    } catch (UnsupportedOperationException e) {
        out.println(e);
    }
    return false;
}

Example 7 with SctpChannel

use of com.sun.nio.sctp.SctpChannel in project jdk8u_jdk by JetBrains.

the class SocketOptionTests method sctpPrimaryAddr.

/* SCTP_PRIMARY_ADDR */
void sctpPrimaryAddr() throws IOException {
    SocketAddress addrToSet = null;
    ByteBuffer buffer = ByteBuffer.allocate(Util.SMALL_BUFFER);
    System.out.println("TESTING SCTP_PRIMARY_ADDR");
    /* create listening channel */
    SctpServerChannel ssc = SctpServerChannel.open().bind(null);
    Set<SocketAddress> addrs = ssc.getAllLocalAddresses();
    if (addrs.isEmpty())
        debug("addrs should not be empty");
    InetSocketAddress serverAddr = (InetSocketAddress) addrs.iterator().next();
    /* setup an association implicitly by sending a small message */
    int streamNumber = 0;
    debug("sending to " + serverAddr + " on stream number: " + streamNumber);
    MessageInfo info = MessageInfo.createOutgoing(serverAddr, streamNumber);
    buffer.put(Util.SMALL_MESSAGE.getBytes("ISO-8859-1"));
    buffer.flip();
    debug("sending small message: " + buffer);
    SctpMultiChannel smc = SctpMultiChannel.open();
    int sent = smc.send(buffer, info);
    /* Receive the COMM_UP */
    buffer.clear();
    SOTNotificationHandler handler = new SOTNotificationHandler();
    info = smc.receive(buffer, null, handler);
    check(handler.receivedCommUp(), "COMM_UP no received");
    Set<Association> associations = smc.associations();
    check(!associations.isEmpty(), "There should be some associations");
    Association assoc = associations.iterator().next();
    SctpChannel peerChannel = ssc.accept();
    ssc.close();
    Set<SocketAddress> peerAddrs = peerChannel.getAllLocalAddresses();
    debug("Peer local Addresses: ");
    for (Iterator<SocketAddress> it = peerAddrs.iterator(); it.hasNext(); ) {
        InetSocketAddress addr = (InetSocketAddress) it.next();
        debug("\t" + addr);
        // any of the peer addresses will do!
        addrToSet = addr;
    }
    /* retrieval of SCTP_PRIMARY_ADDR is not supported on Solaris */
    if ("SunOS".equals(osName)) {
        //smc.setOption(SCTP_PRIMARY_ADDR, addrToSet, assoc);
        return;
    } else {
        /* Linux */
        SocketAddress primaryAddr = smc.getOption(SCTP_PRIMARY_ADDR, assoc);
        System.out.println("SCTP_PRIMARY_ADDR returned: " + primaryAddr);
        /* Verify that this is one of the peer addresses */
        boolean found = false;
        // may not have more than one addr
        addrToSet = primaryAddr;
        for (Iterator<SocketAddress> it = peerAddrs.iterator(); it.hasNext(); ) {
            InetSocketAddress addr = (InetSocketAddress) it.next();
            if (addr.equals(primaryAddr)) {
                found = true;
            }
            addrToSet = addr;
        }
        check(found, "SCTP_PRIMARY_ADDR returned bogus address!");
        System.out.println("Try SCTP_PRIMARY_ADDR set to: " + addrToSet);
        smc.setOption(SCTP_PRIMARY_ADDR, addrToSet, assoc);
        System.out.println("SCTP_PRIMARY_ADDR set to: " + addrToSet);
        primaryAddr = smc.getOption(SCTP_PRIMARY_ADDR, assoc);
        System.out.println("SCTP_PRIMARY_ADDR returned: " + primaryAddr);
        check(addrToSet.equals(primaryAddr), "SCTP_PRIMARY_ADDR not set correctly");
    }
}

Example 8 with SctpChannel

use of com.sun.nio.sctp.SctpChannel in project netty by netty.

the class NioSctpChannel method doReadMessages.

@Override
protected int doReadMessages(List<Object> buf) throws Exception {
    SctpChannel ch = javaChannel();
    RecvByteBufAllocator.Handle allocHandle = unsafe().recvBufAllocHandle();
    ByteBuf buffer = allocHandle.allocate(config().getAllocator());
    boolean free = true;
    try {
        ByteBuffer data = buffer.internalNioBuffer(buffer.writerIndex(), buffer.writableBytes());
        int pos = data.position();
        MessageInfo messageInfo = ch.receive(data, null, notificationHandler);
        if (messageInfo == null) {
            return 0;
        }
        allocHandle.lastBytesRead(data.position() - pos);
        buf.add(new SctpMessage(messageInfo, buffer.writerIndex(buffer.writerIndex() + allocHandle.lastBytesRead())));
        free = false;
        return 1;
    } catch (Throwable cause) {
        PlatformDependent.throwException(cause);
        return -1;
    } finally {
        if (free) {
            buffer.release();
        }
    }
}

Example 9 with SctpChannel

use of com.sun.nio.sctp.SctpChannel in project netty by netty.

the class NioSctpServerChannel method doReadMessages.

@Override
protected int doReadMessages(List<Object> buf) throws Exception {
    SctpChannel ch = javaChannel().accept();
    if (ch == null) {
        return 0;
    }
    buf.add(new NioSctpChannel(this, ch));
    return 1;
}

Example 10 with SctpChannel

use of com.sun.nio.sctp.SctpChannel in project jdk8u_jdk by JetBrains.

the class SctpServerChannelImpl method accept.

@Override
public SctpChannel accept() throws IOException {
    synchronized (lock) {
        if (!isOpen())
            throw new ClosedChannelException();
        if (!isBound())
            throw new NotYetBoundException();
        SctpChannel sc = null;
        int n = 0;
        FileDescriptor newfd = new FileDescriptor();
        InetSocketAddress[] isaa = new InetSocketAddress[1];
        try {
            begin();
            if (!isOpen())
                return null;
            thread = NativeThread.current();
            for (; ; ) {
                n = accept0(fd, newfd, isaa);
                if ((n == IOStatus.INTERRUPTED) && isOpen())
                    continue;
                break;
            }
        } finally {
            acceptCleanup();
            end(n > 0);
            assert IOStatus.check(n);
        }
        if (n < 1)
            return null;
        IOUtil.configureBlocking(newfd, true);
        InetSocketAddress isa = isaa[0];
        sc = new SctpChannelImpl(provider(), newfd);
        SecurityManager sm = System.getSecurityManager();
        if (sm != null)
            sm.checkAccept(isa.getAddress().getHostAddress(), isa.getPort());
        return sc;
    }
}