Examples with ChannelData org.apache.catalina.tribes.io.ChannelData used on opensource projects

Example 1 with ChannelData

use of org.apache.catalina.tribes.io.ChannelData in project tomcat by apache.

the class GroupChannel method send.

/**
     *
     * @param destination Member[] - destination.length > 0
     * @param msg Serializable - the message to send
     * @param options sender options, options can trigger guarantee levels and different
     *                interceptors to react to the message see class documentation for the
     *                <code>Channel</code> object.<br>
     * @param handler - callback object for error handling and completion notification,
     *                  used when a message is sent asynchronously using the
     *                  <code>Channel.SEND_OPTIONS_ASYNCHRONOUS</code> flag enabled.
     * @return UniqueId - the unique Id that was assigned to this message
     * @throws ChannelException - if an error occurs processing the message
     * @see org.apache.catalina.tribes.Channel
     */
@Override
public UniqueId send(Member[] destination, Serializable msg, int options, ErrorHandler handler) throws ChannelException {
    if (msg == null)
        throw new ChannelException(sm.getString("groupChannel.nullMessage"));
    XByteBuffer buffer = null;
    try {
        if (destination == null || destination.length == 0) {
            throw new ChannelException(sm.getString("groupChannel.noDestination"));
        }
        //generates a unique Id
        ChannelData data = new ChannelData(true);
        data.setAddress(getLocalMember(false));
        data.setTimestamp(System.currentTimeMillis());
        byte[] b = null;
        if (msg instanceof ByteMessage) {
            b = ((ByteMessage) msg).getMessage();
            options = options | SEND_OPTIONS_BYTE_MESSAGE;
        } else {
            b = XByteBuffer.serialize(msg);
            options = options & (~SEND_OPTIONS_BYTE_MESSAGE);
        }
        data.setOptions(options);
        //XByteBuffer buffer = new XByteBuffer(b.length+128,false);
        buffer = BufferPool.getBufferPool().getBuffer(b.length + 128, false);
        buffer.append(b, 0, b.length);
        data.setMessage(buffer);
        InterceptorPayload payload = null;
        if (handler != null) {
            payload = new InterceptorPayload();
            payload.setErrorHandler(handler);
        }
        getFirstInterceptor().sendMessage(destination, data, payload);
        if (Logs.MESSAGES.isTraceEnabled()) {
            Logs.MESSAGES.trace("GroupChannel - Sent msg:" + new UniqueId(data.getUniqueId()) + " at " + new java.sql.Timestamp(System.currentTimeMillis()) + " to " + Arrays.toNameString(destination));
            Logs.MESSAGES.trace("GroupChannel - Send Message:" + new UniqueId(data.getUniqueId()) + " is " + msg);
        }
        return new UniqueId(data.getUniqueId());
    } catch (Exception x) {
        if (x instanceof ChannelException)
            throw (ChannelException) x;
        throw new ChannelException(x);
    } finally {
        if (buffer != null)
            BufferPool.getBufferPool().returnBuffer(buffer);
    }
}

Example 2 with ChannelData

use of org.apache.catalina.tribes.io.ChannelData in project tomcat by apache.

the class TcpFailureDetector method memberAlive.

protected boolean memberAlive(Member mbr, byte[] msgData, boolean sendTest, boolean readTest, long readTimeout, long conTimeout, int optionFlag) {
    //could be a shutdown notification
    if (Arrays.equals(mbr.getCommand(), Member.SHUTDOWN_PAYLOAD))
        return false;
    try (Socket socket = new Socket()) {
        InetAddress ia = InetAddress.getByAddress(mbr.getHost());
        InetSocketAddress addr = new InetSocketAddress(ia, mbr.getPort());
        socket.setSoTimeout((int) readTimeout);
        socket.connect(addr, (int) conTimeout);
        if (sendTest) {
            ChannelData data = new ChannelData(true);
            data.setAddress(getLocalMember(false));
            data.setMessage(new XByteBuffer(msgData, false));
            data.setTimestamp(System.currentTimeMillis());
            int options = optionFlag | Channel.SEND_OPTIONS_BYTE_MESSAGE;
            if (readTest)
                options = (options | Channel.SEND_OPTIONS_USE_ACK);
            else
                options = (options & (~Channel.SEND_OPTIONS_USE_ACK));
            data.setOptions(options);
            byte[] message = XByteBuffer.createDataPackage(data);
            socket.getOutputStream().write(message);
            if (readTest) {
                int length = socket.getInputStream().read(message);
                return length > 0;
            }
        }
        //end if
        return true;
    } catch (SocketTimeoutException sx) {
    //do nothing, we couldn't connect
    } catch (ConnectException cx) {
    //do nothing, we couldn't connect
    } catch (Exception x) {
        log.error(sm.getString("tcpFailureDetector.failureDetection.failed"), x);
    }
    return false;
}

Example 3 with ChannelData

use of org.apache.catalina.tribes.io.ChannelData in project tomcat by apache.

the class TcpPingInterceptor method sendPingMessage.

protected void sendPingMessage(Member[] members) {
    if (members == null || members.length == 0)
        return;
    //generates a unique Id
    ChannelData data = new ChannelData(true);
    data.setAddress(getLocalMember(false));
    data.setTimestamp(System.currentTimeMillis());
    data.setOptions(getOptionFlag());
    data.setMessage(new XByteBuffer(TCP_PING_DATA, false));
    try {
        super.sendMessage(members, data, null);
    } catch (ChannelException x) {
        log.warn(sm.getString("tcpPingInterceptor.ping.failed"), x);
    }
}

Example 4 with ChannelData

use of org.apache.catalina.tribes.io.ChannelData in project tomcat by apache.

the class SocketNioSend method main.

public static void main(String[] args) throws Exception {
    Selector selector = Selector.open();
    Member mbr = new MemberImpl("localhost", 9999, 0);
    ChannelData data = new ChannelData();
    data.setOptions(Channel.SEND_OPTIONS_BYTE_MESSAGE);
    data.setAddress(mbr);
    byte[] buf = new byte[8192 * 4];
    data.setMessage(new XByteBuffer(buf, false));
    buf = XByteBuffer.createDataPackage(data);
    int len = buf.length;
    BigDecimal total = new BigDecimal((double) 0);
    BigDecimal bytes = new BigDecimal((double) len);
    NioSender sender = new NioSender();
    sender.setDestination(mbr);
    sender.setDirectBuffer(true);
    sender.setSelector(selector);
    sender.setTxBufSize(1024 * 1024);
    sender.connect();
    sender.setMessage(buf);
    System.out.println("Writing to 9999");
    long start = 0;
    double mb = 0;
    boolean first = true;
    int count = 0;
    DecimalFormat df = new DecimalFormat("##.00");
    while (count < 100000) {
        if (first) {
            first = false;
            start = System.currentTimeMillis();
        }
        sender.setMessage(buf);
        int selectedKeys = 0;
        try {
            selectedKeys = selector.select(0);
        } catch (Exception e) {
            e.printStackTrace();
            continue;
        }
        if (selectedKeys == 0) {
            continue;
        }
        Iterator<SelectionKey> it = selector.selectedKeys().iterator();
        while (it.hasNext()) {
            SelectionKey sk = it.next();
            it.remove();
            try {
                int readyOps = sk.readyOps();
                sk.interestOps(sk.interestOps() & ~readyOps);
                if (sender.process(sk, false)) {
                    total = total.add(bytes);
                    sender.reset();
                    sender.setMessage(buf);
                    mb += ((double) len) / 1024 / 1024;
                    if (((++count) % 10000) == 0) {
                        long time = System.currentTimeMillis();
                        double seconds = ((double) (time - start)) / 1000;
                        System.out.println("Throughput " + df.format(mb / seconds) + " MB/seconds, total " + mb + " MB, total " + total + " bytes.");
                    }
                }
            } catch (Throwable t) {
                t.printStackTrace();
                return;
            }
        }
        selector.selectedKeys().clear();
    }
    System.out.println("Complete, sleeping 15 seconds");
    Thread.sleep(15000);
}

Example 5 with ChannelData

use of org.apache.catalina.tribes.io.ChannelData in project tomcat by apache.

the class SocketSend method main.

public static void main(String[] args) throws Exception {
    Member mbr = new MemberImpl("localhost", 9999, 0);
    ChannelData data = new ChannelData();
    data.setOptions(Channel.SEND_OPTIONS_BYTE_MESSAGE);
    data.setAddress(mbr);
    byte[] buf = new byte[8192 * 4];
    data.setMessage(new XByteBuffer(buf, false));
    buf = XByteBuffer.createDataPackage(data);
    int len = buf.length;
    System.out.println("Message size:" + len + " bytes");
    BigDecimal total = new BigDecimal((double) 0);
    BigDecimal bytes = new BigDecimal((double) len);
    try (Socket socket = new Socket("localhost", 9999)) {
        System.out.println("Writing to 9999");
        OutputStream out = socket.getOutputStream();
        long start = 0;
        double mb = 0;
        boolean first = true;
        int count = 0;
        DecimalFormat df = new DecimalFormat("##.00");
        while (count < 1000000) {
            if (first) {
                first = false;
                start = System.currentTimeMillis();
            }
            out.write(buf, 0, buf.length);
            mb += ((double) buf.length) / 1024 / 1024;
            total = total.add(bytes);
            if (((++count) % 10000) == 0) {
                long time = System.currentTimeMillis();
                double seconds = ((double) (time - start)) / 1000;
                System.out.println("Throughput " + df.format(mb / seconds) + " MB/seconds messages " + count + ", total " + mb + " MB, total " + total + " bytes.");
            }
        }
        out.flush();
        System.out.println("Complete, sleeping 5 seconds");
        Thread.sleep(5000);
    }
}