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

Example 96 with Message

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

the class MessageBatch method printHeaders.

public String printHeaders() {
    StringBuilder sb = new StringBuilder().append("dest=" + dest);
    if (sender != null)
        sb.append(", sender=").append(sender);
    sb.append("\n").append(size()).append(":\n");
    int count = 1;
    for (Message msg : this) sb.append("#").append(count++).append(": ").append(msg.printHeaders()).append("\n");
    return sb.toString();
}

Example 97 with Message

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

the class DrainTest method drain.

protected void drain() {
    if (counter.getAndIncrement() == 0) {
        num_removers.increment();
        int cnt = 0;
        do {
            Message msg = queue.poll();
            if (msg == null)
                // System.err.printf("got empty message");
                continue;
            removed.increment();
            cnt++;
        } while (counter.decrementAndGet() != 0);
        avg_removed.add(cnt);
    }
}

Example 98 with Message

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

the class MPING method run.

public void run() {
    final byte[] receive_buf = new byte[65535];
    DatagramPacket packet = new DatagramPacket(receive_buf, receive_buf.length);
    while (mcast_receive_sock != null && Thread.currentThread().equals(receiver)) {
        packet.setData(receive_buf, 0, receive_buf.length);
        try {
            mcast_receive_sock.receive(packet);
            DataInput inp = new ByteArrayDataInputStream(packet.getData(), packet.getOffset(), packet.getLength());
            Message msg = new BytesMessage();
            msg.readFrom(inp);
            if (// discard discovery request from self
            !Objects.equals(local_addr, msg.getSrc()))
                up(msg);
        } catch (SocketException socketEx) {
            break;
        } catch (Throwable ex) {
            log.error(Util.getMessage("FailedReceivingPacketFrom"), packet.getSocketAddress(), ex);
        }
    }
}

Example 99 with Message

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

the class RingBufferBundler method sendBundledMessages.

/**
 * Read and send messages in range [read-index .. read-index+available_msgs-1]
 */
public void sendBundledMessages(final Message[] buf, final int read_index, final int available_msgs) {
    byte[] cluster_name = transport.cluster_name.chars();
    int start = read_index;
    // index of the last message to be read
    final int end = index(start + available_msgs - 1);
    for (; ; ) {
        Message msg = buf[start];
        if (msg == null) {
            if (start == end)
                break;
            start = advance(start);
            continue;
        }
        Address dest = msg.getDest();
        try {
            output.position(0);
            Util.writeMessageListHeader(dest, msg.getSrc(), cluster_name, 1, output, dest == null);
            // remember the position at which the number of messages (an int) was written, so we can later set the
            // correct value (when we know the correct number of messages)
            int size_pos = output.position() - Global.INT_SIZE;
            int num_msgs = marshalMessagesToSameDestination(dest, buf, start, end, max_size);
            if (num_msgs > 1) {
                int current_pos = output.position();
                output.position(size_pos);
                output.writeInt(num_msgs);
                output.position(current_pos);
            }
            transport.doSend(output.buffer(), 0, output.position(), dest);
            if (transport.statsEnabled())
                transport.getMessageStats().incrNumBatchesSent(num_msgs);
        } catch (Exception ex) {
            log.trace("failed to send message(s) to %s: %s", dest == null ? "group" : dest, ex.getMessage());
        }
        if (start == end)
            break;
        start = advance(start);
    }
}

Example 100 with Message

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

the class RingBufferBundler method marshalMessagesToSameDestination.

// Iterate through the following messages and find messages to the same destination (dest) and write them to output
protected int marshalMessagesToSameDestination(Address dest, Message[] buf, int start_index, final int end_index, int max_bundle_size) throws Exception {
    int num_msgs = 0, bytes = 0;
    for (; ; ) {
        Message msg = buf[start_index];
        if (msg != null && Objects.equals(dest, msg.getDest())) {
            int size = msg.size() + Global.SHORT_SIZE;
            if (bytes + size > max_bundle_size)
                break;
            bytes += size;
            num_msgs++;
            buf[start_index] = null;
            output.writeShort(msg.getType());
            msg.writeToNoAddrs(msg.getSrc(), output, transport.getId());
        }
        if (start_index == end_index)
            break;
        start_index = advance(start_index);
    }
    return num_msgs;
}