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Diffstat (limited to 'sca-java-2.x/tags/2.0-Beta2-RC1/modules/endpoint-tribes/src/main/java/org/apache/tuscany/sca/endpoint/tribes/ReplicatedEndpointRegistry.java')
-rw-r--r--sca-java-2.x/tags/2.0-Beta2-RC1/modules/endpoint-tribes/src/main/java/org/apache/tuscany/sca/endpoint/tribes/ReplicatedEndpointRegistry.java420
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diff --git a/sca-java-2.x/tags/2.0-Beta2-RC1/modules/endpoint-tribes/src/main/java/org/apache/tuscany/sca/endpoint/tribes/ReplicatedEndpointRegistry.java b/sca-java-2.x/tags/2.0-Beta2-RC1/modules/endpoint-tribes/src/main/java/org/apache/tuscany/sca/endpoint/tribes/ReplicatedEndpointRegistry.java
deleted file mode 100644
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--- a/sca-java-2.x/tags/2.0-Beta2-RC1/modules/endpoint-tribes/src/main/java/org/apache/tuscany/sca/endpoint/tribes/ReplicatedEndpointRegistry.java
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@@ -1,420 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.tuscany.sca.endpoint.tribes;
-
-import java.io.IOException;
-import java.io.UnsupportedEncodingException;
-import java.net.InetAddress;
-import java.net.NetworkInterface;
-import java.net.URI;
-import java.net.URLDecoder;
-import java.util.ArrayList;
-import java.util.Enumeration;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.StringTokenizer;
-import java.util.logging.Level;
-import java.util.logging.Logger;
-
-import org.apache.catalina.tribes.Channel;
-import org.apache.catalina.tribes.ChannelException;
-import org.apache.catalina.tribes.ChannelReceiver;
-import org.apache.catalina.tribes.Member;
-import org.apache.catalina.tribes.group.GroupChannel;
-import org.apache.catalina.tribes.group.interceptors.StaticMembershipInterceptor;
-import org.apache.catalina.tribes.membership.McastService;
-import org.apache.catalina.tribes.membership.StaticMember;
-import org.apache.catalina.tribes.transport.ReceiverBase;
-import org.apache.tuscany.sca.assembly.Endpoint;
-import org.apache.tuscany.sca.core.ExtensionPointRegistry;
-import org.apache.tuscany.sca.core.LifeCycleListener;
-import org.apache.tuscany.sca.endpoint.tribes.AbstractReplicatedMap.MapEntry;
-import org.apache.tuscany.sca.endpoint.tribes.MapStore.MapListener;
-import org.apache.tuscany.sca.runtime.BaseEndpointRegistry;
-import org.apache.tuscany.sca.runtime.DomainRegistryURI;
-import org.apache.tuscany.sca.runtime.EndpointRegistry;
-import org.apache.tuscany.sca.runtime.RuntimeEndpoint;
-
-/**
- * A replicated EndpointRegistry based on Apache Tomcat Tribes
- */
-public class ReplicatedEndpointRegistry extends BaseEndpointRegistry implements EndpointRegistry, LifeCycleListener,
- MapListener {
- private final static Logger logger = Logger.getLogger(ReplicatedEndpointRegistry.class.getName());
- private static final String MULTICAST_ADDRESS = "228.0.0.100";
- private static final int MULTICAST_PORT = 50000;
-
- private static final int FIND_REPEAT_COUNT = 10;
-
- private int port = MULTICAST_PORT;
- private String address = MULTICAST_ADDRESS;
- private String bind = null;
- private int timeout = 50;
- private String receiverAddress;
- private int receiverPort = 4000;
- private int receiverAutoBind = 100;
- private List<URI> staticRoutes;
-
- private ReplicatedMap map;
-
- private String id;
- private boolean noMultiCast;
-
- private static final GroupChannel createChannel(String address, int port, String bindAddress) {
-
- //create a channel
- GroupChannel channel = new GroupChannel();
- McastService mcastService = (McastService)channel.getMembershipService();
- mcastService.setPort(port);
- mcastService.setAddress(address);
-
- // REVIEW: In my case, there are multiple IP addresses
- // One for the WIFI and the other one for VPN. For some reason the VPN one doesn't support
- // Multicast
-
- if (bindAddress != null) {
- mcastService.setBind(bindAddress);
- } else {
- mcastService.setBind(getBindAddress());
- }
-
- return channel;
- }
-
- public ReplicatedEndpointRegistry(ExtensionPointRegistry registry,
- Map<String, String> attributes,
- String domainRegistryURI,
- String domainURI) {
- super(registry, attributes, domainRegistryURI, domainURI);
- getParameters(attributes, domainRegistryURI);
- }
-
- private Map<String, String> getParameters(Map<String, String> attributes, String domainRegistryURI) {
- Map<String, String> map = new HashMap<String, String>();
- if (attributes != null) {
- map.putAll(attributes);
- }
- URI uri = URI.create(domainRegistryURI);
- if (uri.getHost() != null) {
- map.put("address", uri.getHost());
- }
- if (uri.getPort() != -1) {
- map.put("port", String.valueOf(uri.getPort()));
- }
-
- if (domainRegistryURI.startsWith("tuscany")) {
- setTuscanyConfig(map, domainRegistryURI);
- setConfig(map);
- return map;
- }
-
- int index = domainRegistryURI.indexOf('?');
- if (index == -1) {
- setConfig(map);
- return map;
- }
- String query = domainRegistryURI.substring(index + 1);
- try {
- query = URLDecoder.decode(query, "UTF-8");
- } catch (UnsupportedEncodingException e) {
- throw new IllegalArgumentException(e);
- }
- String[] params = query.split("&");
- for (String param : params) {
- index = param.indexOf('=');
- if (index != -1) {
- map.put(param.substring(0, index), param.substring(index + 1));
- }
- }
- setConfig(map);
- return map;
- }
-
- private void setTuscanyConfig(Map<String, String> map, String domainRegistryURI) {
- DomainRegistryURI tuscanyURI = new DomainRegistryURI(domainRegistryURI);
- map.put("address", tuscanyURI.getMulticastAddress());
- map.put("port", Integer.toString(tuscanyURI.getMulticastPort()));
- map.put("bind", tuscanyURI.getBindAddress());
- map.put("receiverPort", Integer.toString(tuscanyURI.getListenPort()));
- if (tuscanyURI.isMulticastDisabled()) {
- map.put("nomcast", "true");
- }
- if (tuscanyURI.getRemotes().size() > 0) {
- String routes = "";
- for (int i=0; i<tuscanyURI.getRemotes().size(); i++) {
- routes += tuscanyURI.getRemotes().get(i);
- if (i < tuscanyURI.getRemotes().size()) {
- routes += ",";
- }
- }
- map.put("routes", routes);
- }
- }
-
- private void setConfig(Map<String, String> attributes) {
- String portStr = attributes.get("port");
- if (portStr != null) {
- port = Integer.parseInt(portStr);
- if (port == -1) {
- port = MULTICAST_PORT;
- }
- }
- String address = attributes.get("address");
- if (address == null) {
- address = MULTICAST_ADDRESS;
- }
- bind = attributes.get("bind");
- String timeoutStr = attributes.get("timeout");
- if (timeoutStr != null) {
- timeout = Integer.parseInt(timeoutStr);
- }
-
- String routesStr = attributes.get("routes");
- if (routesStr != null) {
- StringTokenizer st = new StringTokenizer(routesStr);
- staticRoutes = new ArrayList<URI>();
- while (st.hasMoreElements()) {
- staticRoutes.add(URI.create("tcp://" + st.nextToken()));
- }
- }
- String mcast = attributes.get("nomcast");
- if (mcast != null) {
- noMultiCast = Boolean.valueOf(mcast);
- }
- receiverAddress = attributes.get("receiverAddress");
- String recvPort = attributes.get("receiverPort");
- if (recvPort != null) {
- receiverPort = Integer.parseInt(recvPort);
- }
- String recvAutoBind = attributes.get("receiverAutoBind");
- if (recvAutoBind != null) {
- receiverAutoBind = Integer.parseInt(recvAutoBind);
- }
- }
-
- public void start() {
- if (map != null) {
- throw new IllegalStateException("The registry has already been started");
- }
- GroupChannel channel = createChannel(address, port, bind);
- map =
- new ReplicatedMap(null, channel, timeout, this.domainURI,
- new ClassLoader[] {ReplicatedEndpointRegistry.class.getClassLoader()});
- map.addListener(this);
-
- if (noMultiCast) {
- map.getChannel().addInterceptor(new DisableMcastInterceptor());
- }
-
- // Configure the receiver ports
- ChannelReceiver receiver = channel.getChannelReceiver();
- if (receiver instanceof ReceiverBase) {
- if (receiverAddress != null) {
- ((ReceiverBase)receiver).setAddress(receiverAddress);
- }
- ((ReceiverBase)receiver).setPort(receiverPort);
- ((ReceiverBase)receiver).setAutoBind(receiverAutoBind);
- }
-
- /*
- Object sender = channel.getChannelSender();
- if (sender instanceof ReplicationTransmitter) {
- sender = ((ReplicationTransmitter)sender).getTransport();
- }
- if (sender instanceof AbstractSender) {
- ((AbstractSender)sender).setKeepAliveCount(0);
- ((AbstractSender)sender).setMaxRetryAttempts(5);
- }
- */
-
- if (staticRoutes != null) {
- StaticMembershipInterceptor smi = new StaticMembershipInterceptor();
- for (URI staticRoute : staticRoutes) {
- Member member;
- try {
- // The port has to match the receiver port
- member = new StaticMember(staticRoute.getHost(), staticRoute.getPort(), 5000);
- } catch (IOException e) {
- throw new RuntimeException(e);
- }
- smi.addStaticMember(member);
- logger.info("Added static route: " + staticRoute.getHost() + ":" + staticRoute.getPort());
- }
- smi.setLocalMember(map.getChannel().getLocalMember(false));
- map.getChannel().addInterceptor(smi);
- }
-
- try {
- map.getChannel().start(Channel.DEFAULT);
- } catch (ChannelException e) {
- throw new IllegalStateException(e);
- }
-
- }
-
- public void stop() {
- if (map != null) {
- map.removeListener(this);
- Channel channel = map.getChannel();
- map.breakdown();
- try {
- channel.stop(Channel.DEFAULT);
- } catch (ChannelException e) {
- logger.log(Level.WARNING, e.getMessage(), e);
- }
- map = null;
- }
- }
-
- public void addEndpoint(Endpoint endpoint) {
- map.put(endpoint.getURI(), endpoint);
- logger.info("Add endpoint - " + endpoint);
- }
-
- public List<Endpoint> findEndpoint(String uri) {
- List<Endpoint> foundEndpoints = new ArrayList<Endpoint>();
-
- // in the failure case we repeat the look up after a short
- // delay to take account of tribes replication delays
- int repeat = FIND_REPEAT_COUNT;
-
- while (repeat > 0) {
- for (Object v : map.values()) {
- Endpoint endpoint = (Endpoint)v;
- // TODO: implement more complete matching
- logger.fine("Matching against - " + endpoint);
- if (endpoint.matches(uri)) {
- MapEntry entry = map.getInternal(endpoint.getURI());
- // if (!entry.isPrimary()) {
- ((RuntimeEndpoint)endpoint).bind(registry, this);
- // }
- foundEndpoints.add(endpoint);
- logger.fine("Found endpoint with matching service - " + endpoint);
- repeat = 0;
- }
- // else the service name doesn't match
- }
-
- if (foundEndpoints.size() == 0) {
- // the service name doesn't match any endpoints so wait a little and try
- // again in case this is caused by tribes synch delays
- logger.info("Repeating endpoint reference match - " + uri);
- repeat--;
- try {
- Thread.sleep(1000);
- } catch (Exception ex) {
- // do nothing
- repeat = 0;
- }
- }
- }
-
- return foundEndpoints;
- }
-
- private boolean isLocal(MapEntry entry) {
- return entry.getPrimary().equals(map.getChannel().getLocalMember(false));
- }
-
- public Endpoint getEndpoint(String uri) {
- return (Endpoint)map.get(uri);
- }
-
- public List<Endpoint> getEndpoints() {
- return new ArrayList(map.values());
- }
-
- public void removeEndpoint(Endpoint endpoint) {
- map.remove(endpoint.getURI());
- logger.info("Remove endpoint - " + endpoint);
- }
-
- public void replicate(boolean complete) {
- map.replicate(complete);
- }
-
- public void updateEndpoint(String uri, Endpoint endpoint) {
- Endpoint oldEndpoint = getEndpoint(uri);
- if (oldEndpoint == null) {
- throw new IllegalArgumentException("Endpoint is not found: " + uri);
- }
- map.put(endpoint.getURI(), endpoint);
- }
-
- public void entryAdded(Object key, Object value) {
- MapEntry entry = (MapEntry)value;
- Endpoint newEp = (Endpoint)entry.getValue();
- if (!isLocal(entry)) {
- logger.info(id + " Remote endpoint added: " + entry.getValue());
- }
- endpointAdded(newEp);
- }
-
- public void entryRemoved(Object key, Object value) {
- MapEntry entry = (MapEntry)value;
- if (!isLocal(entry)) {
- logger.info(id + " Remote endpoint removed: " + entry.getValue());
- }
- endpointRemoved((Endpoint)entry.getValue());
- }
-
- public void entryUpdated(Object key, Object oldValue, Object newValue) {
- MapEntry oldEntry = (MapEntry)oldValue;
- MapEntry newEntry = (MapEntry)newValue;
- if (!isLocal(newEntry)) {
- logger.info(id + " Remote endpoint updated: " + newEntry.getValue());
- }
- Endpoint oldEp = (Endpoint)oldEntry.getValue();
- Endpoint newEp = (Endpoint)newEntry.getValue();
- endpointUpdated(oldEp, newEp);
- }
-
- private static String getBindAddress() {
- try {
- Enumeration<NetworkInterface> nis = NetworkInterface.getNetworkInterfaces();
- while (nis.hasMoreElements()) {
- NetworkInterface ni = nis.nextElement();
- // The following APIs require JDK 1.6
- /*
- if (ni.isLoopback() || !ni.isUp() || !ni.supportsMulticast()) {
- continue;
- }
- */
- Enumeration<InetAddress> ips = ni.getInetAddresses();
- if (!ips.hasMoreElements()) {
- continue;
- }
- while (ips.hasMoreElements()) {
- InetAddress addr = ips.nextElement();
- if (addr.isLoopbackAddress()) {
- continue;
- }
- return addr.getHostAddress();
- }
- }
- return InetAddress.getLocalHost().getHostAddress();
- } catch (Exception e) {
- logger.log(Level.SEVERE, e.getMessage(), e);
- return null;
- }
- }
-
-}
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