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authorantelder <antelder@13f79535-47bb-0310-9956-ffa450edef68>2009-10-28 09:54:25 +0000
committerantelder <antelder@13f79535-47bb-0310-9956-ffa450edef68>2009-10-28 09:54:25 +0000
commit613b275ffa5d7ae0c41b625db231c187b8a136ef (patch)
tree74f448551ee167bfb627fa51849f006e4f5ffb31 /branches/sca-java-2.0-M4/modules/endpoint-dht/src
parent17d6a0df23caf287e42c7dbf3919e49d60fdedd2 (diff)
Create 2.0 M4 release branch
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@830484 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'branches/sca-java-2.0-M4/modules/endpoint-dht/src')
-rw-r--r--branches/sca-java-2.0-M4/modules/endpoint-dht/src/main/java/org/apache/tuscany/sca/endpoint/dht/OverlayEndpointRegistry.java327
-rw-r--r--branches/sca-java-2.0-M4/modules/endpoint-dht/src/main/resources/META-INF/services/org.apache.tuscany.sca.runtime.EndpointRegistry17
2 files changed, 344 insertions, 0 deletions
diff --git a/branches/sca-java-2.0-M4/modules/endpoint-dht/src/main/java/org/apache/tuscany/sca/endpoint/dht/OverlayEndpointRegistry.java b/branches/sca-java-2.0-M4/modules/endpoint-dht/src/main/java/org/apache/tuscany/sca/endpoint/dht/OverlayEndpointRegistry.java
new file mode 100644
index 0000000000..04b260de0f
--- /dev/null
+++ b/branches/sca-java-2.0-M4/modules/endpoint-dht/src/main/java/org/apache/tuscany/sca/endpoint/dht/OverlayEndpointRegistry.java
@@ -0,0 +1,327 @@
+/*
+ * 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.dht;
+
+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.concurrent.ConcurrentHashMap;
+import java.util.Set;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import ow.id.ID;
+import ow.routing.RoutingException;
+import ow.dht.DHT;
+import ow.dht.DHTConfiguration;
+import ow.dht.DHTFactory;
+import ow.dht.ValueInfo;
+import java.io.IOException;
+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.runtime.EndpointListener;
+import org.apache.tuscany.sca.runtime.EndpointRegistry;
+
+/**
+ * A EndpointRegistry based on Overlay Weaver DHT
+ */
+public class OverlayEndpointRegistry implements EndpointRegistry, LifeCycleListener {
+ private final static Logger logger = Logger.getLogger(OverlayEndpointRegistry.class.getName());
+ private final static int DEFAULT_PORT = 3997;
+ private final static int DEFAULT_TTL = 600 * 1000;
+ 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 DHT<Endpoint> map = null;
+ private ConcurrentHashMap<String, Endpoint> publishedEndpoints = new ConcurrentHashMap<String,Endpoint>();
+ private ExtensionPointRegistry registry;
+ private String joinPort= null;
+ private String address = null;
+ private int port;
+
+ public OverlayEndpointRegistry(ExtensionPointRegistry registry, Map<String, String> attributes) {
+ this.registry = registry;
+ String portStr = attributes.get("port");
+ if (portStr != null) {
+ port = DEFAULT_PORT;
+ }
+ /* This is the address that you need for join a DHT */
+ address = attributes.get("address");
+ if (address == null) {
+ address = getBindAddress();
+ }
+ }
+
+ public OverlayEndpointRegistry(String domainURI) {
+ this.domainURI = domainURI;
+ // start();
+ }
+
+ public void start() {
+ if (map != null) {
+ throw new IllegalStateException("The registry has already been started");
+ }
+ /* here you have to join the DHT */
+ DHTConfiguration config = DHTFactory.getDefaultConfiguration();
+ /* the DHT behaviour should be configurable */
+ config.setRoutingStyle("Iterative");
+ config.setRoutingAlgorithm("Pastry");
+ config.setSelfPort(DEFAULT_PORT);
+ try {
+ map = DHTFactory.<Endpoint>getDHT(config);
+ }
+ catch (Exception e) {
+ throw new IllegalStateException(e);
+ }
+ try {
+ map.joinOverlay(address, Integer.parseInt(joinPort));
+ }
+ catch (IOException e) {
+ throw new IllegalStateException(e);
+ }
+
+ }
+
+ public void stop() {
+ if (map != null) {
+ map.stop();
+ map = null;
+ }
+ }
+
+ public void addEndpoint(Endpoint endpoint) {
+ int idSize = map.getRoutingAlgorithmConfiguration().getIDSizeInByte();
+ ID key = ID.getHashcodeBasedID(endpoint.getURI(), idSize);
+ try {
+ map.put(key, endpoint);
+
+ }
+ catch (Exception e) {
+ throw new IllegalStateException(e);
+ }
+ publishedEndpoints.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();
+ int idSize = map.getRoutingAlgorithmConfiguration().getIDSizeInByte();
+ ID key = ID.getHashcodeBasedID(targetEndpoint.getURI(), idSize);
+ try {
+ Set<ValueInfo<Endpoint>> values = map.get(key);
+ for (ValueInfo<Endpoint>v : values)
+ {
+ Endpoint endpoint = v.getValue();
+ if (matches(targetEndpoint.getURI(), endpoint.getURI())) {
+
+ if (!isLocal(endpoint)) {
+ endpoint.setRemote(true);
+ }
+
+ endpoint.setExtensionPointRegistry(registry);
+
+ foundEndpoints.add(endpoint);
+ logger.info("Found endpoint with matching service - " + endpoint);
+ }
+
+ }
+
+
+ } catch (Exception e)
+ {
+ throw new IllegalStateException("Routing exception during resolving endpoint");
+ }
+ }
+
+ return foundEndpoints;
+ }
+
+ private boolean isLocal(Endpoint entry) {
+ Endpoint local;
+ local = publishedEndpoints.get(entry.getURI());
+ if (local != null)
+ return true;
+ return false;
+ }
+
+ public List<EndpointReference> findEndpointReference(Endpoint endpoint) {
+ return endpointreferences;
+ }
+
+ public Endpoint getEndpoint(String uri) {
+ /* if is local there no need to go on the net*/
+ Endpoint local = null;
+ local = publishedEndpoints.get(uri);
+ if (local != null)
+ return local;
+ /* otherwise we should check on the net */
+ int idSize = map.getRoutingAlgorithmConfiguration().getIDSizeInByte();
+ ID key = ID.getHashcodeBasedID(uri, idSize);
+ try {
+ Set<ValueInfo<Endpoint>> values = map.get(key);
+ for(ValueInfo <Endpoint> v: values)
+ {
+ return v.getValue();
+ }
+ } catch (Exception e) {
+ throw new IllegalStateException("Routing exception during resolving endpoint");
+ }
+ return local;
+ }
+
+ public List<EndpointReference> getEndpointRefereneces() {
+ return endpointreferences;
+ }
+
+ public List<Endpoint> getEndpoints() {
+ /*TODO*/
+ return null;
+ }
+
+ public List<EndpointListener> getListeners() {
+ return listeners;
+ }
+
+ public void removeEndpoint(Endpoint endpoint) {
+ /*TODO*/
+ publishedEndpoints.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) {
+ /* TODO*/
+ }
+
+ public void entryAdded(Object key, Object value) {
+ /* TODO*/
+ }
+
+ public void entryRemoved(Object key, Object value) {
+ /* TODO*/
+ }
+
+ public void entryUpdated(Object key, Object oldValue, Object newValue) {
+ /* TODO*/
+ }
+ 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;
+ }
+ }
+
+}
diff --git a/branches/sca-java-2.0-M4/modules/endpoint-dht/src/main/resources/META-INF/services/org.apache.tuscany.sca.runtime.EndpointRegistry b/branches/sca-java-2.0-M4/modules/endpoint-dht/src/main/resources/META-INF/services/org.apache.tuscany.sca.runtime.EndpointRegistry
new file mode 100644
index 0000000000..e262d28708
--- /dev/null
+++ b/branches/sca-java-2.0-M4/modules/endpoint-dht/src/main/resources/META-INF/services/org.apache.tuscany.sca.runtime.EndpointRegistry
@@ -0,0 +1,17 @@
+# 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.
+org.apache.tuscany.sca.endpoint.tribes.ReplicatedEndpointRegistry;ranking=150,address=planetlab2.fem.tu-ilmenau.de,port=3998,timeout=50