Exemple #1
0
 public LookupI(LocatorRegistryI registry, LookupPrx lookup, Ice.Properties properties)
 {
     _registry          = registry;
     _lookup            = lookup;
     _timeout           = properties.getPropertyAsIntWithDefault("IceDiscovery.Timeout", 300);
     _retryCount        = properties.getPropertyAsIntWithDefault("IceDiscovery.RetryCount", 3);
     _latencyMultiplier = properties.getPropertyAsIntWithDefault("IceDiscovery.LatencyMultiplier", 1);
     _domainId          = properties.getProperty("IceDiscovery.DomainId");
     _timer             = IceInternal.Util.getInstance(lookup.ice_getCommunicator()).timer();
 }
Exemple #2
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        public LookupI(LocatorRegistryI registry, LookupPrx lookup, Ice.Properties properties)
        {
            _registry          = registry;
            _timeout           = properties.getPropertyAsIntWithDefault("IceDiscovery.Timeout", 300);
            _retryCount        = properties.getPropertyAsIntWithDefault("IceDiscovery.RetryCount", 3);
            _latencyMultiplier = properties.getPropertyAsIntWithDefault("IceDiscovery.LatencyMultiplier", 1);
            _domainId          = properties.getProperty("IceDiscovery.DomainId");
            _timer             = IceInternal.Util.getInstance(lookup.ice_getCommunicator()).timer();

            try
            {
                lookup.ice_getConnection();
            }
            catch (Ice.LocalException ex)
            {
                StringBuilder b = new StringBuilder();
                b.Append("IceDiscovery is unable to establish a multicast connection:\n");
                b.Append("proxy = ");
                b.Append(lookup.ToString());
                b.Append('\n');
                b.Append(ex.ToString());
                throw new Ice.PluginInitializationException(b.ToString());
            }

            //
            // Create one lookup proxy per endpoint from the given proxy. We want to send a multicast
            // datagram on each endpoint.
            //
            var single = new Ice.Endpoint[1];

            foreach (var endpt in lookup.ice_getEndpoints())
            {
                try
                {
                    single[0] = endpt;
                    LookupPrx l = (LookupPrx)lookup.ice_endpoints(single);
                    l.ice_getConnection();
                    _lookup[(LookupPrx)lookup.ice_endpoints(single)] = null;
                }
                catch (Ice.LocalException)
                {
                    // Ignore
                }
            }
            Debug.Assert(_lookup.Count > 0);
        }
Exemple #3
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        public LookupI(LocatorRegistryI registry, LookupPrx lookup, Ice.Properties properties)
        {
            _registry          = registry;
            _lookup            = lookup;
            _timeout           = properties.getPropertyAsIntWithDefault("IceDiscovery.Timeout", 300);
            _retryCount        = properties.getPropertyAsIntWithDefault("IceDiscovery.RetryCount", 3);
            _latencyMultiplier = properties.getPropertyAsIntWithDefault("IceDiscovery.LatencyMultiplier", 1);
            _domainId          = properties.getProperty("IceDiscovery.DomainId");
            _timer             = IceInternal.Util.getInstance(lookup.ice_getCommunicator()).timer();

            //
            // Create one lookup proxy per endpoint from the given proxy. We want to send a multicast
            // datagram on each endpoint.
            //
            var single = new Ice.Endpoint[1];

            foreach (var endpt in lookup.ice_getEndpoints())
            {
                single[0] = endpt;
                _lookups[(LookupPrx)lookup.ice_endpoints(single)] = null;
            }
            Debug.Assert(_lookups.Count > 0);
        }
Exemple #4
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        public LookupI(LocatorRegistryI registry, LookupPrx lookup, Ice.Communicator communicator)
        {
            _registry          = registry;
            _lookup            = lookup;
            _timeout           = communicator.GetPropertyAsInt("IceDiscovery.Timeout") ?? 300;
            _retryCount        = communicator.GetPropertyAsInt("IceDiscovery.RetryCount") ?? 3;
            _latencyMultiplier = communicator.GetPropertyAsInt("IceDiscovery.LatencyMultiplier") ?? 1;
            _domainId          = communicator.GetProperty("IceDiscovery.DomainId") ?? "";
            _timer             = lookup.Communicator.timer();

            //
            // Create one lookup proxy per endpoint from the given proxy. We want to send a multicast
            // datagram on each endpoint.
            //
            var single = new Ice.Endpoint[1];

            foreach (var endpt in lookup.Endpoints)
            {
                single[0] = endpt;
                _lookups[lookup.Clone(endpoints: single)] = null;
            }
            Debug.Assert(_lookups.Count > 0);
        }
Exemple #5
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        public void initialize()
        {
            Ice.Properties properties = _communicator.getProperties();

            bool   ipv4       = properties.getPropertyAsIntWithDefault("Ice.IPv4", 1) > 0;
            bool   preferIPv6 = properties.getPropertyAsInt("Ice.PreferIPv6Address") > 0;
            string address;

            if (ipv4 && !preferIPv6)
            {
                address = properties.getPropertyWithDefault("IceDiscovery.Address", "239.255.0.1");
            }
            else
            {
                address = properties.getPropertyWithDefault("IceDiscovery.Address", "ff15::1");
            }
            int    port = properties.getPropertyAsIntWithDefault("IceDiscovery.Port", 4061);
            string intf = properties.getProperty("IceDiscovery.Interface");

            if (properties.getProperty("IceDiscovery.Multicast.Endpoints").Length == 0)
            {
                StringBuilder s = new StringBuilder();
                s.Append("udp -h \"").Append(address).Append("\" -p ").Append(port);
                if (intf.Length != 0)
                {
                    s.Append(" --interface \"").Append(intf).Append("\"");
                }
                properties.setProperty("IceDiscovery.Multicast.Endpoints", s.ToString());
            }

            string lookupEndpoints = properties.getProperty("IceDiscovery.Lookup");

            if (lookupEndpoints.Length == 0)
            {
                int protocol   = ipv4 && !preferIPv6 ? IceInternal.Network.EnableIPv4 : IceInternal.Network.EnableIPv6;
                var interfaces = IceInternal.Network.getInterfacesForMulticast(intf, protocol);
                foreach (string p in interfaces)
                {
                    if (p != interfaces[0])
                    {
                        lookupEndpoints += ":";
                    }
                    lookupEndpoints += "udp -h \"" + address + "\" -p " + port + " --interface \"" + p + "\"";
                }
            }

            if (properties.getProperty("IceDiscovery.Reply.Endpoints").Length == 0)
            {
                properties.setProperty("IceDiscovery.Reply.Endpoints",
                                       "udp -h " + (intf.Length == 0 ? "*" : "\"" + intf + "\""));
            }

            if (properties.getProperty("IceDiscovery.Locator.Endpoints").Length == 0)
            {
                properties.setProperty("IceDiscovery.Locator.AdapterId", Guid.NewGuid().ToString());
            }

            _multicastAdapter = _communicator.createObjectAdapter("IceDiscovery.Multicast");
            _replyAdapter     = _communicator.createObjectAdapter("IceDiscovery.Reply");
            _locatorAdapter   = _communicator.createObjectAdapter("IceDiscovery.Locator");

            //
            // Setup locatory registry.
            //
            LocatorRegistryI locatorRegistry = new LocatorRegistryI(_communicator);

            Ice.LocatorRegistryPrx locatorRegistryPrx = Ice.LocatorRegistryPrxHelper.uncheckedCast(
                _locatorAdapter.addWithUUID(locatorRegistry));

            Ice.ObjectPrx lookupPrx = _communicator.stringToProxy("IceDiscovery/Lookup -d:" + lookupEndpoints);
            // No colloc optimization or router for the multicast proxy!
            lookupPrx = lookupPrx.ice_collocationOptimized(false).ice_router(null);

            //
            // Add lookup and lookup reply Ice objects
            //
            LookupI lookup = new LookupI(locatorRegistry, LookupPrxHelper.uncheckedCast(lookupPrx), properties);

            _multicastAdapter.add(lookup, Ice.Util.stringToIdentity("IceDiscovery/Lookup"));

            _replyAdapter.addDefaultServant(new LookupReplyI(lookup), "");
            Ice.Identity id = new Ice.Identity("dummy", "");
            lookup.setLookupReply(LookupReplyPrxHelper.uncheckedCast(_replyAdapter.createProxy(id).ice_datagram()));

            //
            // Setup locator on the communicator.
            //
            Ice.ObjectPrx loc;
            loc = _locatorAdapter.addWithUUID(
                new LocatorI(lookup, Ice.LocatorRegistryPrxHelper.uncheckedCast(locatorRegistryPrx)));
            _defaultLocator = _communicator.getDefaultLocator();
            _locator        = Ice.LocatorPrxHelper.uncheckedCast(loc);
            _communicator.setDefaultLocator(_locator);

            _multicastAdapter.activate();
            _replyAdapter.activate();
            _locatorAdapter.activate();
        }
Exemple #6
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        public void initialize()
        {
            Ice.Properties properties = _communicator.getProperties();

            bool ipv4 = properties.getPropertyAsIntWithDefault("Ice.IPv4", 1) > 0;
            bool preferIPv6 = properties.getPropertyAsInt("Ice.PreferIPv6Address") > 0;
            string address;
            if(ipv4 && !preferIPv6)
            {
                address = properties.getPropertyWithDefault("IceDiscovery.Address", "239.255.0.1");
            }
            else
            {
                address = properties.getPropertyWithDefault("IceDiscovery.Address", "ff15::1");
            }
            int port = properties.getPropertyAsIntWithDefault("IceDiscovery.Port", 4061);
            string intf = properties.getProperty("IceDiscovery.Interface");

            if(properties.getProperty("IceDiscovery.Multicast.Endpoints").Length == 0)
            {
                StringBuilder s = new StringBuilder();
                s.Append("udp -h \"").Append(address).Append("\" -p ").Append(port);
                if(intf.Length != 0)
                {
                    s.Append(" --interface \"").Append(intf).Append("\"");
                }
                properties.setProperty("IceDiscovery.Multicast.Endpoints", s.ToString());
            }
            if(properties.getProperty("IceDiscovery.Reply.Endpoints").Length == 0)
            {
                StringBuilder s = new StringBuilder();
                s.Append("udp");
                if(intf.Length != 0)
                {
                    s.Append(" -h \"").Append(intf).Append("\"");
                }
                properties.setProperty("IceDiscovery.Reply.Endpoints", s.ToString());
            }
            if(properties.getProperty("IceDiscovery.Locator.Endpoints").Length == 0)
            {
                properties.setProperty("IceDiscovery.Locator.AdapterId", Guid.NewGuid().ToString());
            }

            _multicastAdapter = _communicator.createObjectAdapter("IceDiscovery.Multicast");
            _replyAdapter = _communicator.createObjectAdapter("IceDiscovery.Reply");
            _locatorAdapter = _communicator.createObjectAdapter("IceDiscovery.Locator");

            //
            // Setup locatory registry.
            //
            LocatorRegistryI locatorRegistry = new LocatorRegistryI(_communicator);
            Ice.LocatorRegistryPrx locatorRegistryPrx = Ice.LocatorRegistryPrxHelper.uncheckedCast(
                _locatorAdapter.addWithUUID(locatorRegistry));

            string lookupEndpoints = properties.getProperty("IceDiscovery.Lookup");
            if(lookupEndpoints.Length == 0)
            {
                lookupEndpoints = "udp -h \"" + address + "\" -p " + port;
                if(intf.Length > 0)
                {
                    lookupEndpoints += " --interface \"" + intf + "\"";
                }
            }

            Ice.ObjectPrx lookupPrx = _communicator.stringToProxy("IceDiscovery/Lookup -d:" + lookupEndpoints);
            lookupPrx = lookupPrx.ice_collocationOptimized(false);
            try
            {
                lookupPrx.ice_getConnection();
            }
            catch(Ice.LocalException ex)
            {
                StringBuilder b = new StringBuilder();
                b.Append("IceDiscovery is unable to establish a multicast connection:\n");
                b.Append("proxy = ");
                b.Append(lookupPrx.ToString());
                b.Append('\n');
                b.Append(ex.ToString());
                throw new Ice.PluginInitializationException(b.ToString());
            }

            //
            // Add lookup and lookup reply Ice objects
            //
            LookupI lookup = new LookupI(locatorRegistry, LookupPrxHelper.uncheckedCast(lookupPrx), properties);
            _multicastAdapter.add(lookup, _communicator.stringToIdentity("IceDiscovery/Lookup"));

            Ice.ObjectPrx lookupReply = _replyAdapter.addWithUUID(new LookupReplyI(lookup)).ice_datagram();
            lookup.setLookupReply(LookupReplyPrxHelper.uncheckedCast(lookupReply));

            //
            // Setup locator on the communicator.
            //
            Ice.ObjectPrx loc;
            loc = _locatorAdapter.addWithUUID(
                new LocatorI(lookup, Ice.LocatorRegistryPrxHelper.uncheckedCast(locatorRegistryPrx)));
            _communicator.setDefaultLocator(Ice.LocatorPrxHelper.uncheckedCast(loc));

            _multicastAdapter.activate();
            _replyAdapter.activate();
            _locatorAdapter.activate();
        }
Exemple #7
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        public void initialize()
        {
            Properties properties = _communicator.Properties;

            bool   ipv4       = properties.getPropertyAsIntWithDefault("Ice.IPv4", 1) > 0;
            bool   preferIPv6 = properties.getPropertyAsInt("Ice.PreferIPv6Address") > 0;
            string address;

            if (ipv4 && !preferIPv6)
            {
                address = properties.getPropertyWithDefault("IceDiscovery.Address", "239.255.0.1");
            }
            else
            {
                address = properties.getPropertyWithDefault("IceDiscovery.Address", "ff15::1");
            }
            int    port = properties.getPropertyAsIntWithDefault("IceDiscovery.Port", 4061);
            string intf = properties.getProperty("IceDiscovery.Interface");

            if (properties.getProperty("IceDiscovery.Multicast.Endpoints").Length == 0)
            {
                StringBuilder s = new StringBuilder();
                s.Append("udp -h \"").Append(address).Append("\" -p ").Append(port);
                if (intf.Length != 0)
                {
                    s.Append(" --interface \"").Append(intf).Append("\"");
                }
                properties.setProperty("IceDiscovery.Multicast.Endpoints", s.ToString());
            }

            string lookupEndpoints = properties.getProperty("IceDiscovery.Lookup");

            if (lookupEndpoints.Length == 0)
            {
                int protocol   = ipv4 && !preferIPv6 ? IceInternal.Network.EnableIPv4 : IceInternal.Network.EnableIPv6;
                var interfaces = IceInternal.Network.getInterfacesForMulticast(intf, protocol);
                foreach (string p in interfaces)
                {
                    if (p != interfaces[0])
                    {
                        lookupEndpoints += ":";
                    }
                    lookupEndpoints += "udp -h \"" + address + "\" -p " + port + " --interface \"" + p + "\"";
                }
            }

            if (properties.getProperty("IceDiscovery.Reply.Endpoints").Length == 0)
            {
                properties.setProperty("IceDiscovery.Reply.Endpoints",
                                       "udp -h " + (intf.Length == 0 ? "*" : "\"" + intf + "\""));
            }

            if (properties.getProperty("IceDiscovery.Locator.Endpoints").Length == 0)
            {
                properties.setProperty("IceDiscovery.Locator.AdapterId", Guid.NewGuid().ToString());
            }

            _multicastAdapter = _communicator.createObjectAdapter("IceDiscovery.Multicast");
            _replyAdapter     = _communicator.createObjectAdapter("IceDiscovery.Reply");
            _locatorAdapter   = _communicator.createObjectAdapter("IceDiscovery.Locator");

            //
            // Setup locatory registry.
            //
            LocatorRegistryI   locatorRegistry    = new LocatorRegistryI(_communicator);
            LocatorRegistryPrx locatorRegistryPrx = _locatorAdapter.Add(locatorRegistry);

            LookupPrx lookupPrx = LookupPrx.Parse("IceDiscovery/Lookup -d:" + lookupEndpoints, _communicator).Clone(
                clearRouter: true, collocationOptimized: false); // No colloc optimization or router for the multicast proxy!

            //
            // Add lookup and lookup reply Ice objects
            //
            LookupI lookup = new LookupI(locatorRegistry, lookupPrx, properties);

            _multicastAdapter.Add(lookup, "IceDiscovery/Lookup");

            LookupReplyTraits lookupT     = default;
            LookupReplyI      lookupReply = new LookupReplyI(lookup);

            _replyAdapter.AddDefaultServant(
                (current, incoming) => lookupT.Dispatch(lookupReply, current, incoming), "");
            lookup.setLookupReply(LookupReplyPrx.UncheckedCast(_replyAdapter.CreateProxy("dummy")).Clone(invocationMode: InvocationMode.Datagram));

            //
            // Setup locator on the communicator.
            //
            _locator        = _locatorAdapter.Add(new LocatorI(lookup, locatorRegistryPrx));
            _defaultLocator = _communicator.getDefaultLocator();
            _communicator.setDefaultLocator(_locator);

            _multicastAdapter.Activate();
            _replyAdapter.Activate();
            _locatorAdapter.Activate();
        }
Exemple #8
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        public void initialize()
        {
            Ice.Properties properties = _communicator.getProperties();

            bool   ipv4       = properties.getPropertyAsIntWithDefault("Ice.IPv4", 1) > 0;
            bool   preferIPv6 = properties.getPropertyAsInt("Ice.PreferIPv6Address") > 0;
            string address;

            if (ipv4 && !preferIPv6)
            {
                address = properties.getPropertyWithDefault("IceDiscovery.Address", "239.255.0.1");
            }
            else
            {
                address = properties.getPropertyWithDefault("IceDiscovery.Address", "ff15::1");
            }
            int    port = properties.getPropertyAsIntWithDefault("IceDiscovery.Port", 4061);
            string intf = properties.getProperty("IceDiscovery.Interface");

            if (properties.getProperty("IceDiscovery.Multicast.Endpoints").Length == 0)
            {
                StringBuilder s = new StringBuilder();
                s.Append("udp -h \"").Append(address).Append("\" -p ").Append(port);
                if (intf.Length != 0)
                {
                    s.Append(" --interface \"").Append(intf).Append("\"");
                }
                properties.setProperty("IceDiscovery.Multicast.Endpoints", s.ToString());
            }
            if (properties.getProperty("IceDiscovery.Reply.Endpoints").Length == 0)
            {
                StringBuilder s = new StringBuilder();
                s.Append("udp");
                if (intf.Length != 0)
                {
                    s.Append(" -h \"").Append(intf).Append("\"");
                }
                properties.setProperty("IceDiscovery.Reply.Endpoints", s.ToString());
            }
            if (properties.getProperty("IceDiscovery.Locator.Endpoints").Length == 0)
            {
                properties.setProperty("IceDiscovery.Locator.AdapterId", Guid.NewGuid().ToString());
            }

            _multicastAdapter = _communicator.createObjectAdapter("IceDiscovery.Multicast");
            _replyAdapter     = _communicator.createObjectAdapter("IceDiscovery.Reply");
            _locatorAdapter   = _communicator.createObjectAdapter("IceDiscovery.Locator");

            //
            // Setup locatory registry.
            //
            LocatorRegistryI locatorRegistry = new LocatorRegistryI(_communicator);

            Ice.LocatorRegistryPrx locatorRegistryPrx = Ice.LocatorRegistryPrxHelper.uncheckedCast(
                _locatorAdapter.addWithUUID(locatorRegistry));

            string lookupEndpoints = properties.getProperty("IceDiscovery.Lookup");

            if (lookupEndpoints.Length == 0)
            {
                lookupEndpoints = "udp -h \"" + address + "\" -p " + port;
                if (intf.Length > 0)
                {
                    lookupEndpoints += " --interface \"" + intf + "\"";
                }
            }

            Ice.ObjectPrx lookupPrx = _communicator.stringToProxy("IceDiscovery/Lookup -d:" + lookupEndpoints);
            lookupPrx = lookupPrx.ice_collocationOptimized(false);
            try
            {
                lookupPrx.ice_getConnection();
            }
            catch (Ice.LocalException ex)
            {
                StringBuilder b = new StringBuilder();
                b.Append("IceDiscovery is unable to establish a multicast connection:\n");
                b.Append("proxy = ");
                b.Append(lookupPrx.ToString());
                b.Append('\n');
                b.Append(ex.ToString());
                throw new Ice.PluginInitializationException(b.ToString());
            }

            //
            // Add lookup and lookup reply Ice objects
            //
            LookupI lookup = new LookupI(locatorRegistry, LookupPrxHelper.uncheckedCast(lookupPrx), properties);

            _multicastAdapter.add(lookup, Ice.Util.stringToIdentity("IceDiscovery/Lookup"));

            Ice.ObjectPrx lookupReply = _replyAdapter.addWithUUID(new LookupReplyI(lookup)).ice_datagram();
            lookup.setLookupReply(LookupReplyPrxHelper.uncheckedCast(lookupReply));

            //
            // Setup locator on the communicator.
            //
            Ice.ObjectPrx loc;
            loc = _locatorAdapter.addWithUUID(
                new LocatorI(lookup, Ice.LocatorRegistryPrxHelper.uncheckedCast(locatorRegistryPrx)));
            _communicator.setDefaultLocator(Ice.LocatorPrxHelper.uncheckedCast(loc));

            _multicastAdapter.activate();
            _replyAdapter.activate();
            _locatorAdapter.activate();
        }
Exemple #9
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        public void initialize()
        {
            bool   ipv4       = (_communicator.GetPropertyAsInt("Ice.IPv4") ?? 1) > 0;
            bool   preferIPv6 = _communicator.GetPropertyAsInt("Ice.PreferIPv6Address") > 0;
            string address;

            if (ipv4 && !preferIPv6)
            {
                address = _communicator.GetProperty("IceDiscovery.Address") ?? "239.255.0.1";
            }
            else
            {
                address = _communicator.GetProperty("IceDiscovery.Address") ?? "ff15::1";
            }
            int    port = _communicator.GetPropertyAsInt("IceDiscovery.Port") ?? 4061;
            string intf = _communicator.GetProperty("IceDiscovery.Interface") ?? "";

            if (_communicator.GetProperty("IceDiscovery.Multicast.Endpoints") == null)
            {
                _communicator.SetProperty("IceDiscovery.Multicast.Endpoints", intf.Length > 0 ?
                                          $"udp -h \"{address}\" -p {port} --interface \"{intf}\"" : $"udp -h \"{address}\" -p {port}");
            }

            string lookupEndpoints = _communicator.GetProperty("IceDiscovery.Lookup") ?? "";

            if (lookupEndpoints.Length == 0)
            {
                int protocol   = ipv4 && !preferIPv6 ? IceInternal.Network.EnableIPv4 : IceInternal.Network.EnableIPv6;
                var interfaces = IceInternal.Network.getInterfacesForMulticast(intf, protocol);
                foreach (string p in interfaces)
                {
                    if (p != interfaces[0])
                    {
                        lookupEndpoints += ":";
                    }
                    lookupEndpoints += $"udp -h \"{address}\" -p {port} --interface \"{p}\"";
                }
            }

            if (_communicator.GetProperty("IceDiscovery.Reply.Endpoints") == null)
            {
                _communicator.SetProperty("IceDiscovery.Reply.Endpoints",
                                          intf.Length == 0 ? "udp -h *" : $"udp -h \"{intf}\"");
            }

            if (_communicator.GetProperty("IceDiscovery.Locator.Endpoints") == null)
            {
                _communicator.SetProperty("IceDiscovery.Locator.AdapterId", Guid.NewGuid().ToString());
            }

            _multicastAdapter = _communicator.createObjectAdapter("IceDiscovery.Multicast");
            _replyAdapter     = _communicator.createObjectAdapter("IceDiscovery.Reply");
            _locatorAdapter   = _communicator.createObjectAdapter("IceDiscovery.Locator");

            //
            // Setup locatory registry.
            //
            LocatorRegistryI    locatorRegistry    = new LocatorRegistryI(_communicator);
            ILocatorRegistryPrx locatorRegistryPrx = _locatorAdapter.Add(locatorRegistry);

            ILookupPrx lookupPrx = ILookupPrx.Parse("IceDiscovery/Lookup -d:" + lookupEndpoints, _communicator).Clone(
                clearRouter: true, collocationOptimized: false); // No colloc optimization or router for the multicast proxy!

            //
            // Add lookup and lookup reply Ice objects
            //
            LookupI lookup = new LookupI(locatorRegistry, lookupPrx, _communicator);

            _multicastAdapter.Add(lookup, "IceDiscovery/Lookup");

            LookupReplyTraits lookupT     = default;
            LookupReplyI      lookupReply = new LookupReplyI(lookup);

            _replyAdapter.AddDefaultServant(
                (current, incoming) => lookupT.Dispatch(lookupReply, current, incoming), "");
            lookup.SetLookupReply(ILookupReplyPrx.UncheckedCast(_replyAdapter.CreateProxy("dummy")).Clone(invocationMode: InvocationMode.Datagram));

            //
            // Setup locator on the communicator.
            //
            _locator        = _locatorAdapter.Add(new LocatorI(lookup, locatorRegistryPrx));
            _defaultLocator = _communicator.getDefaultLocator();
            _communicator.setDefaultLocator(_locator);

            _multicastAdapter.Activate();
            _replyAdapter.Activate();
            _locatorAdapter.Activate();
        }