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

Example 6 with SiteMaster

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

the class RelayDemoRpc method start.

public void start(String props, String name) throws Exception {
    ch = new JChannel(props);
    if (name != null)
        ch.setName(name);
    disp = new RpcDispatcher(ch, this).setMembershipListener(this);
    ch.connect("RelayDemo");
    local_addr = ch.getAddress().toString();
    MethodCall call = new MethodCall(getClass().getMethod("handleMessage", String.class, String.class));
    for (; ; ) {
        String line = Util.readStringFromStdin(": ");
        if (line.startsWith("help")) {
            System.out.println("unicast <text>  // unicasts to all members of local view\n" + "site <site>+    // unicasts to all listed site masters, e.g. \"site sfo lon\"\n" + "mcast <site>+   // anycasts to all local members, plus listed site masters \n" + "<text>          // multicast, RELAY2 will relay to all members of sites");
            continue;
        }
        call.args(line, local_addr);
        // unicast to every member of the local cluster
        if (line.equalsIgnoreCase("unicast")) {
            for (Address dest : view.getMembers()) {
                System.out.println("invoking method in " + dest + ": ");
                try {
                    Object rsp = disp.callRemoteMethod(dest, call, new RequestOptions(ResponseMode.GET_ALL, RPC_TIMEOUT));
                    System.out.println("rsp from " + dest + ": " + rsp);
                } catch (Throwable throwable) {
                    throwable.printStackTrace();
                }
            }
        } else // unicast to 1 SiteMaster
        if (line.startsWith("site")) {
            Collection<String> site_masters = parseSiteMasters(line.substring("site".length()));
            for (String site_master : site_masters) {
                try {
                    SiteMaster dest = new SiteMaster(site_master);
                    System.out.println("invoking method in " + dest + ": ");
                    Object rsp = disp.callRemoteMethod(dest, call, new RequestOptions(ResponseMode.GET_ALL, RPC_TIMEOUT));
                    System.out.println("rsp from " + dest + ": " + rsp);
                } catch (Throwable t) {
                    t.printStackTrace();
                }
            }
        } else // mcast to all local members and N SiteMasters
        if (line.startsWith("mcast")) {
            Collection<String> site_masters = parseSiteMasters(line.substring("mcast".length()));
            Collection<Address> dests = new ArrayList<>(site_masters.size());
            for (String site_master : site_masters) {
                try {
                    dests.add(new SiteMaster(site_master));
                } catch (Throwable t) {
                    System.err.println("failed adding SiteMaster for " + site_master + ": " + t);
                }
            }
            dests.addAll(view.getMembers());
            System.out.println("invoking method in " + dests + ": ");
            RspList<Object> rsps = disp.callRemoteMethods(dests, call, new RequestOptions(ResponseMode.GET_ALL, RPC_TIMEOUT).anycasting(true));
            for (Map.Entry<Address, Rsp<Object>> entry : rsps.entrySet()) {
                Address sender = entry.getKey();
                Rsp<Object> rsp = entry.getValue();
                if (rsp.wasUnreachable())
                    System.out.println("<< unreachable: " + sender);
                else
                    System.out.println("<< " + rsp.getValue() + " from " + sender);
            }
        } else {
            // mcasting the call to all local cluster members
            RspList<Object> rsps = disp.callRemoteMethods(null, call, new RequestOptions(ResponseMode.GET_ALL, RPC_TIMEOUT).anycasting(false));
            rsps.entrySet().stream().forEach(entry -> {
                Rsp<Object> val = entry.getValue();
                System.out.println("<< " + val.getValue() + " from " + entry.getKey());
            });
        }
    }
}

Example 7 with SiteMaster

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

the class Relay2RpcDispatcherTest method testNotificationAndRpcRelay2Transit.

/**
 * Tests that notifications are routed to all sites.
 */
public void testNotificationAndRpcRelay2Transit() throws Exception {
    a.connect(LON_CLUSTER);
    b.connect(LON_CLUSTER);
    rpca.start();
    rpcb.start();
    Util.waitUntilAllChannelsHaveSameView(30000, 1000, a, b);
    x.connect(SFO_CLUSTER);
    y.connect(SFO_CLUSTER);
    rpcx.start();
    rpcy.start();
    Util.waitUntilAllChannelsHaveSameView(30000, 1000, x, y);
    assert a.getView().size() == 2;
    assert x.getView().size() == 2;
    RELAY2 ar = a.getProtocolStack().findProtocol(RELAY2.class);
    RELAY2 xr = x.getProtocolStack().findProtocol(RELAY2.class);
    assert ar != null && xr != null;
    JChannel a_bridge = null, x_bridge = null;
    for (int i = 0; i < 20; i++) {
        a_bridge = ar.getBridge(SFO);
        x_bridge = xr.getBridge(LON);
        if (a_bridge != null && x_bridge != null && a_bridge.getView().size() == 2 && x_bridge.getView().size() == 2)
            break;
        Util.sleep(500);
    }
    assert a_bridge != null && x_bridge != null;
    System.out.println("A's bridge channel: " + a_bridge.getView());
    System.out.println("X's bridge channel: " + x_bridge.getView());
    assert a_bridge.getView().size() == 2 : "bridge view is " + a_bridge.getView();
    assert x_bridge.getView().size() == 2 : "bridge view is " + x_bridge.getView();
    Route route = getRoute(x, LON);
    System.out.println("Route at sfo to lon: " + route);
    assert route != null;
    System.out.println("B: sending message 0 to the site master of SFO");
    Address sm_sfo = new SiteMaster(SFO);
    MethodCall call = new MethodCall(ServerObject.class.getMethod("foo"));
    System.out.println("B: call foo method on A");
    Object rsp = rpcb.callRemoteMethod(a.getAddress(), call, new RequestOptions(ResponseMode.GET_ALL, 5000));
    System.out.println("RSP is: " + rsp);
    System.out.println("B: call foo method on SFO master site");
    rsp = rpcb.callRemoteMethod(sm_sfo, call, new RequestOptions(ResponseMode.GET_ALL, 15000));
    System.out.println("RSP is: " + rsp);
    System.out.println("B: call foo method on all members in site LON");
    RspList<Integer> rsps = rpcb.callRemoteMethods(null, call, new RequestOptions(ResponseMode.GET_ALL, 5000));
    System.out.println("RSPs are: \n" + rsps);
    assert rsps.size() == 2;
    assert rsps.containsKey(a.getAddress()) && rsps.containsKey(b.getAddress());
    View bridge_view = xr.getBridgeView(BRIDGE_CLUSTER);
    System.out.println("bridge_view = " + bridge_view);
    route = getRoute(x, LON);
    System.out.println("Route at sfo to lon: " + route);
    assert route != null;
}

Example 8 with SiteMaster

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

the class ExtendedUUIDTest method testSiteMaster.

public void testSiteMaster() {
    SiteMaster sm1 = new SiteMaster("sfo"), sm2 = new SiteMaster("nyc"), sm3 = new SiteMaster("sfo");
    assert !sm1.equals(sm2);
    assert sm1.equals(sm3);
    assert sm1.compareTo(sm3) == 0;
    long hc1 = sm1.hashCode(), hc2 = sm2.hashCode(), hc3 = sm3.hashCode();
    assert hc1 == hc3;
    assert hc1 != hc2;
    Map<SiteMaster, Integer> map = new HashMap<>(3);
    map.put(sm1, 1);
    map.put(sm2, 2);
    map.put(sm3, 3);
    System.out.println("map = " + map);
    assert map.size() == 2;
    assert map.get(sm3) == 3;
    assert map.get(sm1) == 3;
    assert map.get(sm2) == 2;
}

Example 9 with SiteMaster

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

the class Util method readAddress.

public static Address readAddress(DataInput in) throws Exception {
    byte flags = in.readByte();
    if (Util.isFlagSet(flags, Address.NULL))
        return null;
    Address addr;
    if (Util.isFlagSet(flags, Address.UUID_ADDR)) {
        addr = new UUID();
        addr.readFrom(in);
    } else if (Util.isFlagSet(flags, Address.SITE_UUID)) {
        addr = new SiteUUID();
        addr.readFrom(in);
    } else if (Util.isFlagSet(flags, Address.SITE_MASTER)) {
        addr = new SiteMaster();
        addr.readFrom(in);
    } else if (Util.isFlagSet(flags, Address.IP_ADDR)) {
        addr = new IpAddress();
        addr.readFrom(in);
    } else if (Util.isFlagSet(flags, Address.IP_ADDR_UUID)) {
        addr = new IpAddressUUID();
        addr.readFrom(in);
    } else {
        addr = readOtherAddress(in);
    }
    return addr;
}