Examples with ByteArray org.jgroups.util.ByteArray used on opensource projects

Example 1 with ByteArray

use of org.jgroups.util.ByteArray in project JGroups by belaban.

the class MessageDispatcherSpeedTest method sendMessages.

void sendMessages(int num) throws Exception {
    long start, stop;
    int show = num / 10;
    if (show <= 0)
        show = 1;
    start = System.currentTimeMillis();
    RequestOptions opts = new RequestOptions(ResponseMode.GET_ALL, TIMEOUT).flags(Message.Flag.DONT_BUNDLE, Message.Flag.NO_FC);
    byte[] data = "bla".getBytes();
    ByteArray buf = new ByteArray(data, 0, data.length);
    System.out.println("-- sending " + num + " messages");
    for (int i = 1; i <= num; i++) {
        disp.castMessage(null, new BytesMessage(null, buf), opts);
        if (i % show == 0)
            System.out.println("-- sent " + i);
    }
    stop = System.currentTimeMillis();
    printStats(stop - start, num);
}

Example 2 with ByteArray

use of org.jgroups.util.ByteArray in project JGroups by belaban.

the class DNS_PING method findMembers.

@Override
public void findMembers(List<Address> members, boolean initial_discovery, Responses responses) {
    PingData data = null;
    PhysicalAddress physical_addr = null;
    Set<PhysicalAddress> cluster_members = new LinkedHashSet<>();
    DNSResolver.DNSRecordType record_type = DNSResolver.DNSRecordType.valueOf(dns_record_type);
    physical_addr = (PhysicalAddress) down(new Event(Event.GET_PHYSICAL_ADDRESS, local_addr));
    // https://issues.jboss.org/browse/JGRP-1670
    data = new PingData(local_addr, false, NameCache.get(local_addr), physical_addr);
    if (members != null && members.size() <= max_members_in_discovery_request)
        data.mbrs(members);
    long start = System.currentTimeMillis();
    List<Address> dns_discovery_members = getMembers(dns_query, record_type);
    long time = System.currentTimeMillis() - start;
    if (log.isDebugEnabled()) {
        if (dns_discovery_members != null && !dns_discovery_members.isEmpty())
            log.debug("%s: entries collected from DNS (in %d ms): %s", local_addr, time, dns_discovery_members);
        else
            log.debug("%s: no entries collected from DNS (in %d ms)", local_addr, time);
    }
    boolean ports_found = false;
    if (dns_discovery_members != null) {
        for (Address address : dns_discovery_members) {
            if (// no need to send the request to myself
            address.equals(physical_addr))
                continue;
            if (address instanceof IpAddress) {
                IpAddress ip = ((IpAddress) address);
                if (record_type == DNSResolver.DNSRecordType.SRV && ip.getPort() > 0) {
                    ports_found = true;
                    cluster_members.add(ip);
                    if (!probe_transport_ports)
                        continue;
                }
                for (int i = 0; i <= portRange; i++) cluster_members.add(new IpAddress(ip.getIpAddress(), transportPort + i));
            }
        }
    }
    if (dns_discovery_members != null && !dns_discovery_members.isEmpty() && log.isDebugEnabled()) {
        if (ports_found)
            log.debug("%s: sending discovery requests to %s", local_addr, cluster_members);
        else
            log.debug("%s: sending discovery requests to hosts %s on ports [%d .. %d]", local_addr, dns_discovery_members, transportPort, transportPort + portRange);
    }
    ByteArray data_buf = data != null ? marshal(data) : null;
    PingHeader hdr = new PingHeader(PingHeader.GET_MBRS_REQ).clusterName(cluster_name).initialDiscovery(initial_discovery);
    for (Address addr : cluster_members) {
        // the message needs to be DONT_BUNDLE, see explanation above
        final Message msg = new BytesMessage(addr).setFlag(DONT_BUNDLE, OOB).setFlag(DONT_LOOPBACK).putHeader(this.id, hdr);
        if (data_buf != null)
            msg.setArray(data_buf);
        if (async_discovery_use_separate_thread_per_request)
            timer.execute(() -> sendDiscoveryRequest(msg), sends_can_block);
        else
            sendDiscoveryRequest(msg);
    }
}

Example 3 with ByteArray

use of org.jgroups.util.ByteArray in project JGroups by belaban.

the class MessageSizeTest method testUnicast.

/**
 * Tests size of a unicast message.
 * Current record: 102 (March 2010)
 * Prev: 161, 127, 121, 102
 * @throws Exception
 */
public static void testUnicast() throws Exception {
    Address dest = Util.createRandomAddress();
    Address src = Util.createRandomAddress();
    Message msg = createMessage(dest, src);
    ByteArray buf = marshal(msg);
    System.out.println("buf = " + buf);
    int len = buf.getLength();
    System.out.println("len = " + len);
    assert len <= UNICAST_MAX_SIZE;
    if (len < UNICAST_MAX_SIZE) {
        double percentage = compute(len, UNICAST_MAX_SIZE);
        System.out.printf("unicast message (%d bytes) is %.2f %% smaller than previous max size (%d bytes)\n", len, percentage, MCAST_MAX_SIZE);
    }
}

Example 4 with ByteArray

use of org.jgroups.util.ByteArray in project JGroups by belaban.

the class MessageSizeTest method testMulticast.

/**
 * Tests size of a multicast message.
 * Current record: 84 bytes (March 2010)
 * Prev: 166, 109, 103, 84
 * @throws Exception
 */
public static void testMulticast() throws Exception {
    Address src = Util.createRandomAddress();
    Message msg = createMessage(null, src);
    ByteArray buf = marshal(msg);
    System.out.println("buf = " + buf);
    int len = buf.getLength();
    System.out.println("len = " + len);
    assert len <= MCAST_MAX_SIZE;
    if (len < MCAST_MAX_SIZE) {
        double percentage = compute(len, MCAST_MAX_SIZE);
        System.out.printf("multicast message (%d bytes) is %.2f %% smaller than previous max size (%d bytes)\n", len, percentage, MCAST_MAX_SIZE);
    }
}

Example 5 with ByteArray

use of org.jgroups.util.ByteArray in project JGroups by belaban.

the class CompositeMessageTest method testCollapse.

public void testCollapse() throws Exception {
    CompositeMessage msg = new CompositeMessage(DEST, M1, M2, M3).collapse(true);
    int length = msg.getLength();
    ByteArray buf = Util.messageToBuffer(msg);
    Message msg2 = Util.messageFromBuffer(buf.getArray(), buf.getOffset(), buf.getLength(), MF);
    assert msg2 instanceof BytesMessage;
    assert msg2.getLength() == length;
}