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Diffstat (limited to '')
-rw-r--r-- | sca-java-2.x/tags/2.0-M4-RC1/modules/endpoint-tribes/src/main/java/org/apache/tuscany/sca/endpoint/tribes/ReplicatedEndpointRegistry.java | 451 |
1 files changed, 0 insertions, 451 deletions
diff --git a/sca-java-2.x/tags/2.0-M4-RC1/modules/endpoint-tribes/src/main/java/org/apache/tuscany/sca/endpoint/tribes/ReplicatedEndpointRegistry.java b/sca-java-2.x/tags/2.0-M4-RC1/modules/endpoint-tribes/src/main/java/org/apache/tuscany/sca/endpoint/tribes/ReplicatedEndpointRegistry.java deleted file mode 100644 index 3a703bca62..0000000000 --- a/sca-java-2.x/tags/2.0-M4-RC1/modules/endpoint-tribes/src/main/java/org/apache/tuscany/sca/endpoint/tribes/ReplicatedEndpointRegistry.java +++ /dev/null @@ -1,451 +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; - -/** - * 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()) { - endpoint.setExtensionPointRegistry(registry); - // } - 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; - if (!isLocal(entry)) { - logger.info(id + " 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(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(); - 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; - } - } - -} |