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Diffstat (limited to 'java/sca/modules/endpoint-tribes/src/main/java/org/apache/tuscany/sca/endpoint/tribes/ReplicatedEndpointRegistry.java')
-rw-r--r--java/sca/modules/endpoint-tribes/src/main/java/org/apache/tuscany/sca/endpoint/tribes/ReplicatedEndpointRegistry.java455
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diff --git a/java/sca/modules/endpoint-tribes/src/main/java/org/apache/tuscany/sca/endpoint/tribes/ReplicatedEndpointRegistry.java b/java/sca/modules/endpoint-tribes/src/main/java/org/apache/tuscany/sca/endpoint/tribes/ReplicatedEndpointRegistry.java
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--- a/java/sca/modules/endpoint-tribes/src/main/java/org/apache/tuscany/sca/endpoint/tribes/ReplicatedEndpointRegistry.java
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@@ -1,455 +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.UUID;
-import java.util.concurrent.CopyOnWriteArrayList;
-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.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.tuscany.sca.assembly.Endpoint;
-import org.apache.tuscany.sca.assembly.EndpointReference;
-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.EndpointListener;
-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 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 int port = MULTICAST_PORT;
- private String address = MULTICAST_ADDRESS;
- private String bind = null;
- private int timeout = 50;
-
- private final static String DEFAULT_DOMAIN_URI = "http://tuscany.apache.org/sca/1.1/domains/default";
- private String domainURI = DEFAULT_DOMAIN_URI;
- private List<EndpointReference> endpointreferences = new CopyOnWriteArrayList<EndpointReference>();
- private List<EndpointListener> listeners = new CopyOnWriteArrayList<EndpointListener>();
-
- private ExtensionPointRegistry registry;
- private ReplicatedMap map;
- private static List<URI> staticRoutes;
-
- private String id;
-
- private static final Channel 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) {
- this.registry = registry;
- this.domainURI = domainURI;
- this.id = "[" + System.identityHashCode(this) + "]";
- 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()));
- }
- 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 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()));
- }
- }
- }
-
- public void start() {
- if (map != null) {
- throw new IllegalStateException("The registry has already been started");
- }
- map =
- new ReplicatedMap(null, createChannel(address, port, bind), timeout, this.domainURI,
- new ClassLoader[] {ReplicatedEndpointRegistry.class.getClassLoader()});
- map.addListener(this);
-
- if (staticRoutes != null) {
- StaticMembershipInterceptor smi = new StaticMembershipInterceptor();
- for (URI staticRoute : staticRoutes) {
- Member member;
- try {
- 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 void addEndpointReference(EndpointReference endpointReference) {
- endpointreferences.add(endpointReference);
- logger.fine("Add endpoint reference - " + endpointReference);
- }
-
- public void addListener(EndpointListener listener) {
- listeners.add(listener);
- }
-
- /**
- * Parse the component/service/binding URI into an array of parts (componentURI, serviceName, bindingName)
- * @param uri
- * @return
- */
- private String[] parse(String uri) {
- String[] names = new String[3];
- int index = uri.lastIndexOf('#');
- if (index == -1) {
- names[0] = uri;
- } else {
- names[0] = uri.substring(0, index);
- String str = uri.substring(index + 1);
- if (str.startsWith("service-binding(") && str.endsWith(")")) {
- str = str.substring("service-binding(".length(), str.length() - 1);
- String[] parts = str.split("/");
- if (parts.length != 2) {
- throw new IllegalArgumentException("Invalid service-binding URI: " + uri);
- }
- names[1] = parts[0];
- names[2] = parts[1];
- } else if (str.startsWith("service(") && str.endsWith(")")) {
- str = str.substring("service(".length(), str.length() - 1);
- names[1] = str;
- } else {
- throw new IllegalArgumentException("Invalid component/service/binding URI: " + uri);
- }
- }
- return names;
- }
-
- private boolean matches(String target, String uri) {
- String[] parts1 = parse(target);
- String[] parts2 = parse(uri);
- for (int i = 0; i < parts1.length; i++) {
- if (parts1[i] == null || parts1[i].equals(parts2[i])) {
- continue;
- } else {
- return false;
- }
- }
- return true;
- }
-
- public List<Endpoint> findEndpoint(EndpointReference endpointReference) {
- List<Endpoint> foundEndpoints = new ArrayList<Endpoint>();
-
- logger.fine("Find endpoint for reference - " + endpointReference);
-
- if (endpointReference.getReference() != null) {
- Endpoint targetEndpoint = endpointReference.getTargetEndpoint();
- for (Object v : map.values()) {
- Endpoint endpoint = (Endpoint)v;
- // TODO: implement more complete matching
- logger.fine("Matching against - " + endpoint);
- if (matches(targetEndpoint.getURI(), endpoint.getURI())) {
- MapEntry entry = map.getInternal(endpoint.getURI());
- if (!isLocal(entry)) {
- endpoint.setRemote(true);
- }
- // if (!entry.isPrimary()) {
- ((RuntimeEndpoint) endpoint).bind(registry, this);
- // }
- foundEndpoints.add(endpoint);
- logger.fine("Found endpoint with matching service - " + endpoint);
- }
- // else the service name doesn't match
- }
- }
- return foundEndpoints;
- }
-
- private boolean isLocal(MapEntry entry) {
- return entry.getPrimary().equals(map.getChannel().getLocalMember(false));
- }
-
- public List<EndpointReference> findEndpointReference(Endpoint endpoint) {
- return endpointreferences;
- }
-
- public Endpoint getEndpoint(String uri) {
- return (Endpoint)map.get(uri);
- }
-
- public List<EndpointReference> getEndpointRefereneces() {
- return endpointreferences;
- }
-
- public List<Endpoint> getEndpoints() {
- return new ArrayList(map.values());
- }
-
- public List<EndpointListener> getListeners() {
- return listeners;
- }
-
- public void removeEndpoint(Endpoint endpoint) {
- map.remove(endpoint.getURI());
- logger.info("Remove endpoint - " + endpoint);
- }
-
- public void removeEndpointReference(EndpointReference endpointReference) {
- endpointreferences.remove(endpointReference);
- logger.fine("Remove endpoint reference - " + endpointReference);
- }
-
- public void removeListener(EndpointListener listener) {
- listeners.remove(listener);
- }
-
- 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());
- newEp.setRemote(true);
- }
- ((RuntimeEndpoint) newEp).bind(registry, this);
- for (EndpointListener listener : listeners) {
- listener.endpointAdded(newEp);
- }
- }
-
- public void entryRemoved(Object key, Object value) {
- MapEntry entry = (MapEntry)value;
- if (!isLocal(entry)) {
- logger.info(id + " Remote endpoint removed: " + entry.getValue());
- }
- Endpoint oldEp = (Endpoint)entry.getValue();
- for (EndpointListener listener : listeners) {
- listener.endpointRemoved(oldEp);
- }
- }
-
- 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();
- ((RuntimeEndpoint) newEp).bind(registry, this);
- for (EndpointListener listener : listeners) {
- listener.endpointUpdated(oldEp, newEp);
- }
- }
-
- public static void main(String[] args) throws Exception {
- //create a channel
- GroupChannel channel = new GroupChannel();
- McastService mcastService = (McastService)channel.getMembershipService();
- mcastService.setPort(MULTICAST_PORT);
- mcastService.setAddress(MULTICAST_ADDRESS);
-
- InetAddress localhost = InetAddress.getLocalHost();
-
- // 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
-
- // You can use "route add 228.0.0.0 mask 252.0.0.0 192.168.1.100"
- mcastService.setBind(getBindAddress());
- channel.start(Channel.DEFAULT);
- ReplicatedMap map = new ReplicatedMap(null, channel, 50, "01", null);
- map.put(UUID.randomUUID().toString(), localhost.getHostAddress());
- for (int i = 0; i < 4; i++) {
- Thread.sleep(3000);
- System.out.println(localhost + ": " + map.keySet());
- }
- for (Object e : map.entrySetFull()) {
- Map.Entry en = (Map.Entry)e;
- AbstractReplicatedMap.MapEntry entry = (AbstractReplicatedMap.MapEntry)en.getValue();
- System.out.println(entry);
- }
- map.breakdown();
- channel.stop(Channel.DEFAULT);
- }
-
- 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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