Examples with ManagedOperation org.jgroups.annotations.ManagedOperation used on opensource projects

Example 6 with ManagedOperation

use of org.jgroups.annotations.ManagedOperation in project JGroups by belaban.

the class UNICAST3 method triggerXmit.

@ManagedOperation(description = "Triggers the retransmission task")
public void triggerXmit() {
    SeqnoList missing;
    for (Map.Entry<Address, ReceiverEntry> entry : recv_table.entrySet()) {
        // target to send retransmit requests to
        Address target = entry.getKey();
        ReceiverEntry val = entry.getValue();
        Table<Message> win = val != null ? val.msgs : null;
        // receiver: send ack for received messages if needed
        if (// sendAck() resets send_ack to false
        win != null && val.sendAck())
            sendAck(target, win.getHighestDeliverable(), val.connId());
        // receiver: retransmit missing messages (getNumMissing() is fast)
        if (win != null && win.getNumMissing() > 0 && (missing = win.getMissing(max_xmit_req_size)) != null) {
            long highest = missing.getLast();
            Long prev_seqno = xmit_task_map.get(target);
            if (prev_seqno == null)
                // no retransmission
                xmit_task_map.put(target, highest);
            else {
                // we only retransmit the 'previous batch'
                missing.removeHigherThan(prev_seqno);
                if (highest > prev_seqno)
                    xmit_task_map.put(target, highest);
                if (!missing.isEmpty())
                    retransmit(missing, target);
            }
        } else if (!xmit_task_map.isEmpty())
            // no current gaps for target
            xmit_task_map.remove(target);
    }
    // sender: only send the *highest sent* message if HA < HS and HA/HS didn't change from the prev run
    for (SenderEntry val : send_table.values()) {
        Table<Message> win = val != null ? val.msgs : null;
        if (win != null) {
            // highest delivered == highest ack (sender win)
            long highest_acked = win.getHighestDelivered();
            // we use table as a *sender* win, so it's highest *sent*...
            long highest_sent = win.getHighestReceived();
            if (highest_acked < highest_sent && val.watermark[0] == highest_acked && val.watermark[1] == highest_sent) {
                // highest acked and sent hasn't moved up - let's resend the HS
                Message highest_sent_msg = win.get(highest_sent);
                if (highest_sent_msg != null)
                    retransmit(highest_sent_msg);
            } else
                val.watermark(highest_acked, highest_sent);
        }
    }
    // close idle connections
    if (conn_expiry_timeout > 0)
        closeIdleConnections();
    if (conn_close_timeout > 0)
        removeExpiredConnections();
}

Example 7 with ManagedOperation

use of org.jgroups.annotations.ManagedOperation in project JGroups by belaban.

the class MemcachedConnector method start.

@ManagedOperation
public void start() throws IOException, MalformedObjectNameException, MBeanRegistrationException {
    srv_sock = new ServerSocket(port, 50, bind_addr);
    if (thread_pool == null) {
        thread_pool = new ThreadPoolExecutor(core_threads, max_threads, idle_time, TimeUnit.MILLISECONDS, new SynchronousQueue<>(), new ThreadPoolExecutor.CallerRunsPolicy());
    // thread_pool=new DirectExecutor();
    }
    if (thread == null || !thread.isAlive()) {
        thread = new Thread(this, "Acceptor");
        thread.start();
    }
    start_time = System.currentTimeMillis();
}

Example 8 with ManagedOperation

use of org.jgroups.annotations.ManagedOperation in project JGroups by belaban.

the class PartitionedHashMap method stop.

@ManagedOperation
public void stop() {
    if (l1_cache != null)
        l1_cache.stop();
    if (migrate_data) {
        List<Address> members_without_me = new ArrayList<>(view.getMembers());
        members_without_me.remove(local_addr);
        for (Map.Entry<K, Cache.Value<V>> entry : l2_cache.entrySet()) {
            K key = entry.getKey();
            Address node = hash_function.hash(key, members_without_me);
            if (!node.equals(local_addr)) {
                Cache.Value<V> val = entry.getValue();
                sendPut(node, key, val.getValue(), val.getTimeout(), true);
                if (log.isTraceEnabled())
                    log.trace("migrated " + key + " from " + local_addr + " to " + node);
            }
        }
    }
    l2_cache.stop();
    disp.stop();
    ch.close();
}

Example 9 with ManagedOperation

use of org.jgroups.annotations.ManagedOperation in project JGroups by belaban.

the class PartitionedHashMap method start.

@ManagedOperation
public void start() throws Exception {
    hash_function = new ConsistentHashFunction<>();
    addMembershipListener((MembershipListener) hash_function);
    ch = new JChannel(props);
    Marshaller m = new CustomMarshaller();
    disp = new RpcDispatcher(ch, this).setMarshaller(m).setMethodLookup(methods::get).setMembershipListener(this);
    ch.connect(cluster_name);
    local_addr = ch.getAddress();
    view = ch.getView();
}

Example 10 with ManagedOperation

use of org.jgroups.annotations.ManagedOperation in project JGroups by belaban.

the class TCPGOSSIP method addInitialHost.

@ManagedOperation
public void addInitialHost(String hostname, int port) {
    // if there is such a stub already, remove and destroy it
    removeInitialHost(hostname, port);
    // now re-add it
    InetSocketAddress isa = new InetSocketAddress(hostname, port);
    initial_hosts.add(isa);
    stubManager.createAndRegisterStub(null, new IpAddress(isa.getAddress(), isa.getPort()));
    // tries to connect all unconnected stubs
    stubManager.connectStubs();
}