Package org.jgroups.util

Examples of org.jgroups.util.ExposedByteArrayOutputStream

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        for(int i=0; i < num; i++) {
            Message m=new Message(new IpAddress(addr, 5555), new IpAddress(addr, 6666), new byte[1000]);
            if(add_headers)
                addHeaders(m);

            ExposedByteArrayOutputStream msg_data=new ExposedByteArrayOutputStream();
            Buffer jgbuf;

            if(use_streamable) {
                DataOutputStream dos=new DataOutputStream(msg_data);
                m.writeTo(dos);
                dos.close();
            }
            else {
                ObjectOutputStream msg_out=use_magic? new MagicObjectOutputStream(msg_data) : new ObjectOutputStream(msg_data);
                m.writeExternal(msg_out);
                // msg_out.writeObject(m);
                msg_out.close();
            }

            jgbuf=new Buffer(msg_data.getRawBuffer(), 0, msg_data.size());

            ByteArrayInputStream msg_in_data=new ByteArrayInputStream(jgbuf.getBuf(), jgbuf.getOffset(), jgbuf.getLength());
            Message m2=(Message)Message.class.newInstance();

            if(use_streamable) {
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        String group_name="SpeedTest-Group";
        Message send_msg;
        boolean debug=false, cummulative=false, busy_sleep=false, yield=false, loopback=false;
        Debugger debugger=null;
        long sleep_time=1; // sleep in msecs between msg sends
        ExposedByteArrayOutputStream output=new ExposedByteArrayOutputStream(64);
        String props;


        props="UDP(mcast_addr=224.0.0.36;mcast_port=55566;ip_ttl=32;" +
                "ucast_send_buf_size=32000;ucast_recv_buf_size=64000;" +
                "mcast_send_buf_size=32000;mcast_recv_buf_size=64000):" +
                "PING(timeout=2000;num_initial_members=3):" +
                "MERGE2(min_interval=5000;max_interval=10000):" +
                "FD_SOCK:" +
                "VERIFY_SUSPECT(timeout=1500):" +
                "pbcast.NAKACK(max_xmit_size=8192;gc_lag=50;retransmit_timeout=600,800,1200,2400,4800):" +
                "UNICAST(timeout=1200):" +
                "pbcast.STABLE(desired_avg_gossip=10000):" +
                "FRAG(frag_size=8192;down_thread=false;up_thread=false):" +
                "pbcast.GMS(join_timeout=5000;join_retry_timeout=2000;" +
                "shun=false;print_local_addr=true):" +
                "pbcast.STATE_TRANSFER";
                //  "PERF(details=true)";



        for(int i=0; i < args.length; i++) {
            if("-help".equals(args[i])) {
                help();
                return;
            }
            if("-jg".equals(args[i])) {
                jg=true;
                continue;
            }
            if("-loopback".equals(args[i])) {
                loopback=true;
                continue;
            }
            if("-props".equals(args[i])) {
                props=args[++i];
                continue;
            }
            if("-debug".equals(args[i])) {
                debug=true;
                continue;
            }
            if("-cummulative".equals(args[i])) {
                cummulative=true;
                continue;
            }
            if("-busy_sleep".equals(args[i])) {
                busy_sleep=true;
                continue;
            }
            if("-yield".equals(args[i])) {
                yield=true;
                num_yields++;
                continue;
            }
            if("-sleep".equals(args[i])) {
                sleep_time=Long.parseLong(args[++i]);
                continue;
            }
            if("-num_msgs".equals(args[i])) {
                num_msgs=Integer.parseInt(args[++i]);
                continue;
            }
            help();
            return;
        }

        System.out.println("jg       = " + jg +
                "\nloopback = " + loopback +
                "\ndebug    = " + debug +
                "\nsleep    = " + sleep_time +
                "\nbusy_sleep=" + busy_sleep +
                "\nyield=" + yield +
                "\nnum_yields=" + num_yields +
                "\nnum_msgs = " + num_msgs +
                           '\n');



        try {
            matrix=new int[num_msgs][2];
            for(int i=0; i < num_msgs; i++) {
                for(int j=0; j < matrix[i].length; j++)
                    matrix[i][j]=0;
            }

            if(jg) {
                if(loopback) {
                    ProtocolStackConfigurator conf=ConfiguratorFactory.getStackConfigurator(props);
                    String tmp=conf.getProtocolStackString();
                    int index=tmp.indexOf(':');
                    props=LOOPBACK + tmp.substring(index);
                }
                channel=new JChannel(props);
                // System.out.println("props:\n" + channel.getProperties());
                channel.connect(group_name);
                if(debug) {
                    debugger=new Debugger(channel, cummulative);
                    debugger.start();
                }
            }
            else {
                group_addr=InetAddress.getByName("224.0.0.36");
                sock=new DatagramSocket();
            }

            if(debug) {
                System.out.println("Press key to start");
                System.in.read();
            }
            receiver=new Receiver(group_addr, group_port, channel, matrix, jg);
            receiver.start();

            byte[] buf;
            DataOutputStream out;

            start=System.currentTimeMillis();
            for(int i=0; i < num_msgs; i++) {
                // buf=Util.objectToByteBuffer(new Integer(i));
                output.reset();
                out=new DataOutputStream(output);
                out.writeInt(i);
                out.flush();
                buf=output.getRawBuffer();
                out.close();

                if(jg) {
                    send_msg=new Message(null, null, buf, 0, buf.length);
                    channel.send(send_msg);
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     */
    LinkedList serializeMessage() throws IOException {
        LinkedList retval=new LinkedList();
        System.out.println("-- starting to serialize " + num + " msgs");
        start=System.currentTimeMillis();
        output=new ExposedByteArrayOutputStream(65000);
        out=new ObjectOutputStream(output);
        my_list.writeExternal(out);
        out.close();
        stop=System.currentTimeMillis();
        buf=new Buffer(output.getRawBuffer(), 0, output.size());
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    LinkedList marshalMessages() throws IOException, IllegalAccessException, InstantiationException {
        LinkedList retval=new LinkedList();
        System.out.println("\n\n-- starting to marshal " + num + " msgs (using Streamable)");
        start=System.currentTimeMillis();
        output=new ExposedByteArrayOutputStream(65000);
        dos=new DataOutputStream(output);
        dos.writeInt(my_list.size());
        for(Enumeration en=my_list.elements(); en.hasMoreElements();) {
            Message tmp=(Message)en.nextElement();
            tmp.writeTo(dos);
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        JChannel channel=null;
        String group_name="SpeedTest-Group";
        Message send_msg;
        boolean busy_sleep=false, yield=false, loopback=false;
        long sleep_time=1; // sleep in msecs between msg sends
        ExposedByteArrayOutputStream output=new ExposedByteArrayOutputStream(64);
        String props;


        props="udp.xml";



        for(int i=0; i < args.length; i++) {
            if("-help".equals(args[i])) {
                help();
                return;
            }
            if("-jg".equals(args[i])) {
                jg=true;
                continue;
            }
            if("-loopback".equals(args[i])) {
                loopback=true;
                continue;
            }
            if("-props".equals(args[i])) {
                props=args[++i];
                continue;
            }
            if("-busy_sleep".equals(args[i])) {
                busy_sleep=true;
                continue;
            }
            if("-yield".equals(args[i])) {
                yield=true;
                num_yields++;
                continue;
            }
            if("-sleep".equals(args[i])) {
                sleep_time=Long.parseLong(args[++i]);
                continue;
            }
            if("-num_msgs".equals(args[i])) {
                num_msgs=Integer.parseInt(args[++i]);
                continue;
            }
            help();
            return;
        }

        System.out.println("jg       = " + jg +
                "\nloopback = " + loopback +
                "\nsleep    = " + sleep_time +
                "\nbusy_sleep=" + busy_sleep +
                "\nyield=" + yield +
                "\nnum_yields=" + num_yields +
                "\nnum_msgs = " + num_msgs +
                           '\n');



        try {
            matrix=new int[num_msgs][2];
            for(int i=0; i < num_msgs; i++) {
                for(int j=0; j < matrix[i].length; j++)
                    matrix[i][j]=0;
            }

            if(jg) {
                if(loopback) {
                    ProtocolStackConfigurator conf=ConfiguratorFactory.getStackConfigurator(props);
                    String tmp=conf.getProtocolStackString();
                    int index=tmp.indexOf(':');
                    props=LOOPBACK + tmp.substring(index);
                }
                channel=new JChannel(props);
                // System.out.println("props:\n" + channel.getProperties());
                channel.connect(group_name);
            }
            else {
                group_addr=InetAddress.getByName("224.0.0.36");
                sock=new DatagramSocket();
            }

            receiver=new Receiver(group_addr, group_port, channel, matrix, jg);
            receiver.start();

            byte[] buf;
            DataOutputStream out;

            start=System.currentTimeMillis();
            for(int i=0; i < num_msgs; i++) {
                // buf=Util.objectToByteBuffer(new Integer(i));
                output.reset();
                out=new DataOutputStream(output);
                out.writeInt(i);
                out.flush();
                buf=output.getRawBuffer();
                out.close();

                if(jg) {
                    send_msg=new Message(null, null, buf, 0, buf.length);
                    channel.send(send_msg);
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    LinkedList<Long> marshalMessages() throws IOException, IllegalAccessException, InstantiationException {
        LinkedList<Long> retval=new LinkedList<Long>();
        System.out.println("\n\n-- starting to marshal " + num + " msgs (using Streamable)");
        start=System.currentTimeMillis();
        output=new ExposedByteArrayOutputStream(65000);
        dos=new DataOutputStream(output);
        dos.writeInt(my_list.size());
        for(Message tmp: my_list) {
            tmp.writeTo(dos);
        }
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        for(int i=0; i < num; i++) {
            Message m=new Message(new IpAddress(addr, 5555), new IpAddress(addr, 6666), new byte[1000]);
            if(add_headers)
                addHeaders(m);

            ExposedByteArrayOutputStream msg_data=new ExposedByteArrayOutputStream();
            Buffer jgbuf;

                DataOutputStream dos=new DataOutputStream(msg_data);
                m.writeTo(dos);
                dos.close();

            jgbuf=new Buffer(msg_data.getRawBuffer(), 0, msg_data.size());

            ByteArrayInputStream msg_in_data=new ByteArrayInputStream(jgbuf.getBuf(), jgbuf.getOffset(), jgbuf.getLength());
            Message m2=(Message)Message.class.newInstance();

                DataInputStream dis=new DataInputStream(msg_in_data);
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        long               frag_id=curr_id.getAndIncrement(); // used as seqnos
        int                num_frags;

        try {
            // write message into a byte buffer and fragment it
            ExposedByteArrayOutputStream out_stream=new ExposedByteArrayOutputStream((int)(size + 50));
            ExposedDataOutputStream dos=new ExposedDataOutputStream(out_stream);
            msg.writeTo(dos);
            byte[] buffer=out_stream.getRawBuffer();
            byte[][] fragments=Util.fragmentBuffer(buffer, frag_size, dos.size());
            num_frags=fragments.length;
            num_sent_frags+=num_frags;

            if(log.isTraceEnabled()) {
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        TpHeader hdr=(TpHeader)msg.getHeader(this.id);
        if(hdr == null)
            throw new Exception("message " + msg + " doesn't have a transport header, cannot route it");
        String group=hdr.channel_name;

        ExposedByteArrayOutputStream out_stream=new ExposedByteArrayOutputStream((int)(msg.size() + 50));
        ExposedDataOutputStream dos=new ExposedDataOutputStream(out_stream);

        writeMessage(msg, dos, multicast);
        Buffer buf=new Buffer(out_stream.getRawBuffer(), 0, out_stream.size());

        if(stats) {
            num_msgs_sent++;
            num_bytes_sent+=buf.getLength();
        }
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        DataOutputStream out=null;

        try {
            if(msg.getSrc() == null)
                msg.setSrc(local_addr);
            ExposedByteArrayOutputStream out_stream=new ExposedByteArrayOutputStream(128);
            out=new DataOutputStream(out_stream);
            msg.writeTo(out);
            out.flush(); // flushes contents to out_stream
            buf=new Buffer(out_stream.getRawBuffer(), 0, out_stream.size());
            packet=new DatagramPacket(buf.getBuf(), buf.getOffset(), buf.getLength(), mcast_addr, mcast_port);
            discovery_reception.reset();
            if(mcast_send_sockets != null) {
                MulticastSocket s;
                for(int i=0; i < mcast_send_sockets.length; i++) {
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Related Classes of org.jgroups.util.ExposedByteArrayOutputStream

  • org.jgroups.protocols.BPING
  • org.jgroups.protocols.FRAG
  • org.jgroups.protocols.MPING
  • org.jgroups.protocols.TUNNEL
  • org.jgroups.stack.RouterStub
  • org.jgroups.tests.MessageSerializationTest
  • org.jgroups.tests.MessageSerializationTest2
  • org.jgroups.tests.SpeedTest
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