Examples with Header org.jgroups.Header used on opensource projects

Example 1 with Header

use of org.jgroups.Header in project JGroups by belaban.

the class Headers method printHeaders.

public static String printHeaders(final Header[] hdrs) {
    if (hdrs == null)
        return "";
    StringBuilder sb = new StringBuilder();
    boolean first = true;
    for (Header hdr : hdrs) {
        if (hdr == null)
            break;
        short id = hdr.getProtId();
        if (first)
            first = false;
        else
            sb.append(", ");
        Class clazz = ClassConfigurator.getProtocol(id);
        String name = clazz != null ? clazz.getSimpleName() : Short.toString(id);
        sb.append(name).append(": ").append(hdr);
    }
    return sb.toString();
}

Example 2 with Header

use of org.jgroups.Header in project JGroups by belaban.

the class Headers method marshalledSize.

public static int marshalledSize(final Header[] hdrs) {
    int retval = 0;
    if (hdrs == null)
        return retval;
    for (Header hdr : hdrs) {
        if (hdr == null)
            break;
        // for protocol ID and magic number
        retval += Global.SHORT_SIZE * 2;
        retval += hdr.serializedSize();
    }
    return retval;
}

Example 3 with Header

use of org.jgroups.Header in project geode by apache.

the class StatRecorder method filter.

private void filter(Message msg, int direction) {
    if (direction == INCOMING) {
        Header h = msg.getHeader(frag2HeaderId);
        boolean copyBuffer = false;
        if (h != null && h instanceof FragHeader) {
            copyBuffer = true;
        // String str = direction == OUTGOING? "sending" : "receiving";
        // logger.debug("{} fragment {} msg buffer hash {} offset {} msg size {} first bytes=\n{}",
        // str, hdr,
        // msg.getRawBuffer().hashCode(), msg.getOffset(), msg.getLength(),
        // GMSUtil.formatBytes(msg.getRawBuffer(), msg.getOffset(),
        // Math.min(200, msg.getLength())));
        } else {
            h = msg.getHeader(unicastHeaderId);
            if (h instanceof UNICAST3.Header) {
                copyBuffer = true;
            } else {
                h = msg.getHeader(nakackHeaderId);
                if (h instanceof NakAckHeader2) {
                    copyBuffer = true;
                }
            }
        }
        if (copyBuffer) {
            // JGroups doesn't copy its message buffer when thread pools are
            // disabled. This causes Frag2 fragments to become corrupted
            msg.setBuffer(msg.getBuffer(), 0, msg.getLength());
        }
    }
}

Example 4 with Header

use of org.jgroups.Header in project JGroups by belaban.

the class ClassConfigurator method init.

protected static void init() throws Exception {
    // make sure we have a class for DocumentBuilderFactory
    Util.loadClass("javax.xml.parsers.DocumentBuilderFactory", ClassConfigurator.class);
    String magic_number_file = null, protocol_id_file = null;
    try {
        // PropertyPermission not granted if running in an untrusted environment with JNLP
        magic_number_file = Util.getProperty(new String[] { Global.MAGIC_NUMBER_FILE, "org.jgroups.conf.magicNumberFile" }, null, null, MAGIC_NUMBER_FILE);
        protocol_id_file = Util.getProperty(new String[] { Global.PROTOCOL_ID_FILE, "org.jgroups.conf.protocolIDFile" }, null, null, PROTOCOL_ID_FILE);
    } catch (SecurityException ex) {
    }
    // Read jg-magic-map.xml
    List<Triple<Short, String, Boolean>> mapping = readMappings(magic_number_file);
    for (Triple<Short, String, Boolean> tuple : mapping) {
        short m = tuple.getVal1();
        if (m >= MAX_MAGIC_VALUE)
            throw new IllegalArgumentException("ID " + m + " is bigger than MAX_MAGIC_VALUE (" + MAX_MAGIC_VALUE + "); increase MAX_MAGIC_VALUE");
        boolean external = tuple.getVal3();
        if (external) {
            if (magicMap[m] != null)
                alreadyInMagicMap(m, tuple.getVal2());
            continue;
        }
        Class clazz = Util.loadClass(tuple.getVal2(), ClassConfigurator.class);
        if (magicMap[m] != null)
            alreadyInMagicMap(m, clazz.getName());
        if (Constructable.class.isAssignableFrom(clazz)) {
            Constructable obj = (Constructable) clazz.newInstance();
            magicMap[m] = obj.create();
        } else {
            Supplier<? extends Object> supplier = (Supplier<Object>) () -> {
                try {
                    return clazz.newInstance();
                } catch (Throwable throwable) {
                    return null;
                }
            };
            magicMap[m] = supplier;
        }
        Object inst = magicMap[m].get();
        if (inst == null)
            continue;
        // test to confirm that the Constructable impl returns an instance of the correct type
        if (!inst.getClass().equals(clazz))
            throw new IllegalStateException(String.format("%s.create() returned the wrong class: %s\n", clazz.getSimpleName(), inst.getClass().getSimpleName()));
        // check that the IDs are the same
        if (inst instanceof Header)
            checkSameId((Header) inst, m);
        classMap.put(clazz, m);
    }
    // Read jg-protocol-ids.xml
    mapping = readMappings(protocol_id_file);
    for (Triple<Short, String, Boolean> tuple : mapping) {
        short m = tuple.getVal1();
        boolean external = tuple.getVal3();
        if (external) {
            if (protocol_names.containsKey(m))
                alreadyInProtocolsMap(m, tuple.getVal2());
            continue;
        }
        Class clazz = Util.loadClass(tuple.getVal2(), ClassConfigurator.class);
        if (protocol_ids.containsKey(clazz))
            alreadyInProtocolsMap(m, clazz.getName());
        protocol_ids.put(clazz, m);
        protocol_names.put(m, clazz);
    }
}

Example 5 with Header

use of org.jgroups.Header in project JGroups by belaban.

the class MessageTest method testCopyHeaders.

public static void testCopyHeaders() {
    Message m1 = new Message(null, "hello");
    for (short id : new short[] { 1, 2, 10, Global.BLOCKS_START_ID, Global.BLOCKS_START_ID + 10 }) {
        m1.putHeader(id, new DummyHeader(id));
    }
    System.out.println("Headers for m1: " + m1.printHeaders());
    Message m2 = m1.copy(true, Global.BLOCKS_START_ID);
    System.out.println("Headers for m2: " + m2.printHeaders());
    Map<Short, Header> hdrs = m2.getHeaders();
    assert hdrs.size() == 2;
    assert hdrs.containsKey(Global.BLOCKS_START_ID);
    short tmp = Global.BLOCKS_START_ID + 10;
    assert hdrs.containsKey(tmp);
}