diff options
Diffstat (limited to 'java/sca/modules/endpoint-tribes')
3 files changed, 497 insertions, 497 deletions
diff --git a/java/sca/modules/endpoint-tribes/pom.xml b/java/sca/modules/endpoint-tribes/pom.xml index 30827c3178..3242788e52 100644 --- a/java/sca/modules/endpoint-tribes/pom.xml +++ b/java/sca/modules/endpoint-tribes/pom.xml @@ -1,47 +1,47 @@ -<?xml version="1.0" encoding="UTF-8"?>
-<!--
- * 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.
--->
-<project>
- <modelVersion>4.0.0</modelVersion>
- <parent>
- <groupId>org.apache.tuscany.sca</groupId>
- <artifactId>tuscany-modules</artifactId>
- <version>2.0-SNAPSHOT</version>
- <relativePath>../pom.xml</relativePath>
- </parent>
- <artifactId>tuscany-endpoint-tribes</artifactId>
- <name>Apache Tuscany SCA Tomcat Tribes Based EndPoint Registry</name>
-
- <dependencies>
- <dependency>
- <groupId>org.apache.tomcat</groupId>
- <artifactId>tribes</artifactId>
- <!-- DO NOT upgrade to 6.0.20: https://issues.apache.org/bugzilla/show_bug.cgi?id=47419 -->
- <version>6.0.18</version>
- <scope>compile</scope>
- </dependency>
- <dependency>
- <groupId>org.apache.tuscany.sca</groupId>
- <artifactId>tuscany-core-spi</artifactId>
- <version>2.0-SNAPSHOT</version>
- <scope>compile</scope>
- </dependency>
- </dependencies>
-
-</project>
+<?xml version="1.0" encoding="UTF-8"?> +<!-- + * 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. +--> +<project> + <modelVersion>4.0.0</modelVersion> + <parent> + <groupId>org.apache.tuscany.sca</groupId> + <artifactId>tuscany-modules</artifactId> + <version>2.0-SNAPSHOT</version> + <relativePath>../pom.xml</relativePath> + </parent> + <artifactId>tuscany-endpoint-tribes</artifactId> + <name>Apache Tuscany SCA Tomcat Tribes Based EndPoint Registry</name> + + <dependencies> + <dependency> + <groupId>org.apache.tomcat</groupId> + <artifactId>tribes</artifactId> + <!-- DO NOT upgrade to 6.0.20: https://issues.apache.org/bugzilla/show_bug.cgi?id=47419 --> + <version>6.0.18</version> + <scope>compile</scope> + </dependency> + <dependency> + <groupId>org.apache.tuscany.sca</groupId> + <artifactId>tuscany-core-spi</artifactId> + <version>2.0-SNAPSHOT</version> + <scope>compile</scope> + </dependency> + </dependencies> + +</project> diff --git a/java/sca/modules/endpoint-tribes/src/main/java/org/apache/tuscany/sca/endpoint/tribes/MapStore.java b/java/sca/modules/endpoint-tribes/src/main/java/org/apache/tuscany/sca/endpoint/tribes/MapStore.java index d667f10c50..9e540743bf 100644 --- a/java/sca/modules/endpoint-tribes/src/main/java/org/apache/tuscany/sca/endpoint/tribes/MapStore.java +++ b/java/sca/modules/endpoint-tribes/src/main/java/org/apache/tuscany/sca/endpoint/tribes/MapStore.java @@ -1,83 +1,83 @@ -/*
- * 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.util.List;
-import java.util.concurrent.ConcurrentHashMap;
-import java.util.concurrent.CopyOnWriteArrayList;
-
-/**
- * The Map that can fire events on put/remove of entries
- */
-public abstract class MapStore extends ConcurrentHashMap<Object, Object> {
- private static final long serialVersionUID = -2127235547082144368L;
- private List<MapListener> listeners = new CopyOnWriteArrayList<MapListener>();
-
- protected MapStore(int initialCapacity, float loadFactor, int concurrencyLevel) {
- super(initialCapacity, loadFactor, concurrencyLevel);
- }
-
- @Override
- public Object put(Object key, Object value) {
- Object old = super.put(key, value);
- if (old != null) {
- for (MapListener listener : listeners) {
- listener.entryUpdated(key, old, value);
- }
- } else {
- for (MapListener listener : listeners) {
- listener.entryAdded(key, value);
- }
-
- }
- return old;
- }
-
- @Override
- public Object remove(Object key) {
- Object old = super.remove(key);
- if (old != null) {
- for (MapListener listener : listeners) {
- listener.entryRemoved(key, old);
- }
- }
- return old;
- }
-
- public void addListener(MapListener listener) {
- listeners.add(listener);
- }
-
- public List<MapListener> getListeners() {
- return listeners;
- }
-
- public boolean removeListener(MapListener listener) {
- return listeners.remove(listener);
- }
-
- public static interface MapListener {
- void entryAdded(Object key, Object value);
-
- void entryUpdated(Object key, Object oldValue, Object newValue);
-
- void entryRemoved(Object key, Object value);
- }
-}
+/* + * 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.util.List; +import java.util.concurrent.ConcurrentHashMap; +import java.util.concurrent.CopyOnWriteArrayList; + +/** + * The Map that can fire events on put/remove of entries + */ +public abstract class MapStore extends ConcurrentHashMap<Object, Object> { + private static final long serialVersionUID = -2127235547082144368L; + private List<MapListener> listeners = new CopyOnWriteArrayList<MapListener>(); + + protected MapStore(int initialCapacity, float loadFactor, int concurrencyLevel) { + super(initialCapacity, loadFactor, concurrencyLevel); + } + + @Override + public Object put(Object key, Object value) { + Object old = super.put(key, value); + if (old != null) { + for (MapListener listener : listeners) { + listener.entryUpdated(key, old, value); + } + } else { + for (MapListener listener : listeners) { + listener.entryAdded(key, value); + } + + } + return old; + } + + @Override + public Object remove(Object key) { + Object old = super.remove(key); + if (old != null) { + for (MapListener listener : listeners) { + listener.entryRemoved(key, old); + } + } + return old; + } + + public void addListener(MapListener listener) { + listeners.add(listener); + } + + public List<MapListener> getListeners() { + return listeners; + } + + public boolean removeListener(MapListener listener) { + return listeners.remove(listener); + } + + public static interface MapListener { + void entryAdded(Object key, Object value); + + void entryUpdated(Object key, Object oldValue, Object newValue); + + void entryRemoved(Object key, Object value); + } +} 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 index 61daa958e0..5348341b4e 100644 --- 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 @@ -1,367 +1,367 @@ -/*
- * 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.net.InetAddress;
-import java.net.NetworkInterface;
-import java.util.ArrayList;
-import java.util.Enumeration;
-import java.util.List;
-import java.util.Map;
-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.group.GroupChannel;
-import org.apache.catalina.tribes.membership.McastService;
-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;
-
-/**
- * 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 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) {
- this.registry = registry;
- String portStr = attributes.get("port");
- if (portStr != null) {
- port = Integer.parseInt(portStr);
- }
- 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);
- }
- // start();
- }
-
- public ReplicatedEndpointRegistry(String domainURI) {
- this.domainURI = domainURI;
- // start();
- }
-
- 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);
- 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) {
- throw new IllegalStateException(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.info("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.info("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
- if (matches(targetEndpoint.getURI(), endpoint.getURI())) {
- MapEntry entry = map.getInternal(endpoint.getURI());
- if (!isLocal(entry)) {
- endpoint.setRemote(true);
- }
- // if (!entry.isPrimary()) {
- endpoint.setExtensionPointRegistry(registry);
- // }
- foundEndpoints.add(endpoint);
- logger.info("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.info("Remove endpoint reference - " + endpointReference);
- }
-
- public void removeListener(EndpointListener listener) {
- listeners.remove(listener);
- }
-
- 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;
- if (!isLocal(entry)) {
- logger.info("Remote endpoint added: " + entry.getValue());
- }
- Endpoint newEp = (Endpoint)entry.getValue();
- for (EndpointListener listener : listeners) {
- listener.endpointAdded(newEp);
- }
- }
-
- public void entryRemoved(Object key, Object value) {
- MapEntry entry = (MapEntry)value;
- if (!isLocal(entry)) {
- logger.info("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("Remote endpoint updated: " + newEntry.getValue());
- }
- Endpoint oldEp = (Endpoint)oldEntry.getValue();
- Endpoint newEp = (Endpoint)newEntry.getValue();
- 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;
- }
- }
-
-}
+/* + * 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.net.InetAddress; +import java.net.NetworkInterface; +import java.util.ArrayList; +import java.util.Enumeration; +import java.util.List; +import java.util.Map; +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.group.GroupChannel; +import org.apache.catalina.tribes.membership.McastService; +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; + +/** + * 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 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) { + this.registry = registry; + String portStr = attributes.get("port"); + if (portStr != null) { + port = Integer.parseInt(portStr); + } + 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); + } + // start(); + } + + public ReplicatedEndpointRegistry(String domainURI) { + this.domainURI = domainURI; + // start(); + } + + 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); + 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) { + throw new IllegalStateException(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.info("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.info("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 + if (matches(targetEndpoint.getURI(), endpoint.getURI())) { + MapEntry entry = map.getInternal(endpoint.getURI()); + if (!isLocal(entry)) { + endpoint.setRemote(true); + } + // if (!entry.isPrimary()) { + endpoint.setExtensionPointRegistry(registry); + // } + foundEndpoints.add(endpoint); + logger.info("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.info("Remove endpoint reference - " + endpointReference); + } + + public void removeListener(EndpointListener listener) { + listeners.remove(listener); + } + + 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; + if (!isLocal(entry)) { + logger.info("Remote endpoint added: " + entry.getValue()); + } + Endpoint newEp = (Endpoint)entry.getValue(); + for (EndpointListener listener : listeners) { + listener.endpointAdded(newEp); + } + } + + public void entryRemoved(Object key, Object value) { + MapEntry entry = (MapEntry)value; + if (!isLocal(entry)) { + logger.info("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("Remote endpoint updated: " + newEntry.getValue()); + } + Endpoint oldEp = (Endpoint)oldEntry.getValue(); + Endpoint newEp = (Endpoint)newEntry.getValue(); + 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; + } + } + +} |