Examples with SiteMaster org.jgroups.protocols.relay.SiteMaster used on opensource projects

Example 1 with SiteMaster

use of org.jgroups.protocols.relay.SiteMaster in project JGroups by belaban.

the class UnicastTestRpc method getReceiver.

private Address getReceiver() {
    try {
        List<Address> mbrs = new ArrayList<>(channel.getView().getMembers());
        List<String> site_names = getSites(channel);
        for (String site_name : site_names) {
            try {
                SiteMaster sm = new SiteMaster(site_name);
                mbrs.add(sm);
            } catch (Throwable t) {
                System.err.println("failed creating site master: " + t);
            }
        }
        System.out.println("pick receiver from the following members:");
        int i = 0;
        for (Address mbr : mbrs) {
            if (mbr.equals(channel.getAddress()))
                System.out.println("[" + i + "]: " + mbr + " (self)");
            else
                System.out.println("[" + i + "]: " + mbr);
            i++;
        }
        System.out.flush();
        System.in.skip(System.in.available());
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        String str = reader.readLine().trim();
        int index = Integer.parseInt(str);
        // index out of bounds caught below
        return mbrs.get(index);
    } catch (Exception e) {
        System.err.println("UnicastTest.getReceiver(): " + e);
        return null;
    }
}

Example 2 with SiteMaster

use of org.jgroups.protocols.relay.SiteMaster in project JGroups by belaban.

the class Relay2Test method testSenderOrderWithMultipleSiteMasters.

/**
 * Cluster A,B,C in LON and X,Y,Z in SFO. A, B, X and Y are site masters (max_site_masters: 2).
 * Verifies that messages sent by C in the LON site are received in the correct order by all members of the SFO site
 * despite using multiple site masters. JIRA: https://issues.jboss.org/browse/JGRP-2112
 */
public void testSenderOrderWithMultipleSiteMasters() throws Exception {
    MyReceiver rx = new MyReceiver(), ry = new MyReceiver(), rz = new MyReceiver();
    final int NUM = 512;
    final String sm_picker_impl = SiteMasterPickerImpl.class.getName();
    a = createNode(LON, "A", LON_CLUSTER, 2, sm_picker_impl, null);
    b = createNode(LON, "B", LON_CLUSTER, 2, sm_picker_impl, null);
    c = createNode(LON, "C", LON_CLUSTER, 2, sm_picker_impl, null);
    Util.waitUntilAllChannelsHaveSameView(10000, 1000, a, b, c);
    x = createNode(SFO, "X", SFO_CLUSTER, 2, sm_picker_impl, rx);
    y = createNode(SFO, "Y", SFO_CLUSTER, 2, sm_picker_impl, ry);
    z = createNode(SFO, "Z", SFO_CLUSTER, 2, sm_picker_impl, rz);
    Util.waitUntilAllChannelsHaveSameView(10000, 1000, x, y, z);
    waitForBridgeView(4, 10000, 1000, a, b, x, y);
    // C in LON sends messages to the site master of SFO (via either SM A or B); everyone in SFO (x,y,z)
    // must receive them in correct order
    SiteMaster target_sm = new SiteMaster(SFO);
    System.out.printf("%s: sending %d messages to %s:\n", c.getAddress(), NUM, target_sm);
    for (int i = 1; i <= NUM; i++) {
        // the seqno is in the payload of the message
        Message msg = new Message(target_sm, i);
        c.send(msg);
    }
    boolean running = true;
    for (int i = 0; running && i < 10; i++) {
        for (MyReceiver r : Arrays.asList(rx, ry, rz)) {
            if (r.getList().size() >= NUM) {
                running = false;
                break;
            }
        }
        Util.sleep(1000);
    }
    System.out.printf("X: size=%d\nY: size=%d\nZ: size=%d\n", rx.getList().size(), ry.getList().size(), rz.getList().size());
    assert rx.getList().size() == NUM || ry.getList().size() == NUM;
    assert rz.getList().isEmpty();
}

Example 3 with SiteMaster

use of org.jgroups.protocols.relay.SiteMaster in project JGroups by belaban.

the class SizeTest method testRelay2Header.

public static void testRelay2Header() throws Exception {
    Address dest = new SiteMaster("sfo");
    RELAY2.Relay2Header hdr = new RELAY2.Relay2Header(RELAY2.Relay2Header.DATA, dest, null);
    _testSize(hdr);
    Address sender = new SiteUUID(UUID.randomUUID(), "dummy", "sfo");
    hdr = new RELAY2.Relay2Header(RELAY2.Relay2Header.DATA, dest, sender);
    _testSize(hdr);
}

Example 4 with SiteMaster

use of org.jgroups.protocols.relay.SiteMaster in project JGroups by belaban.

the class SizeTest method testWriteAddress.

public static void testWriteAddress() throws Exception {
    Address uuid = UUID.randomUUID();
    _testWriteAddress(uuid);
    Address addr = new IpAddress(7500);
    _testWriteAddress(addr);
    addr = new IpAddress("127.0.0.1", 5678);
    _testWriteAddress(addr);
    addr = new SiteMaster("sfo");
    _testWriteAddress(addr);
}

Example 5 with SiteMaster

use of org.jgroups.protocols.relay.SiteMaster in project JGroups by belaban.

the class RequestCorrelator method receive.

/**
 * <b>Callback</b>.
 * <p>
 * Called by the protocol below when a message has been received. The algorithm should test whether the message
 * is destined for us and, if not, pass it up to the next layer. Otherwise, it should remove the header and check
 * whether the message is a request or response.
 * In the first case, the message will be delivered to the request handler registered
 * (calling its {@code handle()} method), in the second case, the corresponding response collector is looked up and
 * the message delivered.
 * @param evt The event to be received
 * @return Whether or not the event was consumed. If true, don't pass message up, else pass it up
 */
public boolean receive(Event evt) {
    switch(evt.getType()) {
        case // adjust number of responses to wait for
        Event.VIEW_CHANGE:
            receiveView(evt.getArg());
            break;
        case Event.SET_LOCAL_ADDRESS:
            setLocalAddress(evt.getArg());
            break;
        case Event.SITE_UNREACHABLE:
            SiteMaster site_master = evt.getArg();
            String site = site_master.getSite();
            setSiteUnreachable(site);
            // let others have a stab at this event, too
            break;
    }
    return false;
}