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author | antelder <antelder@13f79535-47bb-0310-9956-ffa450edef68> | 2009-10-28 09:54:25 +0000 |
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committer | antelder <antelder@13f79535-47bb-0310-9956-ffa450edef68> | 2009-10-28 09:54:25 +0000 |
commit | 613b275ffa5d7ae0c41b625db231c187b8a136ef (patch) | |
tree | 74f448551ee167bfb627fa51849f006e4f5ffb31 /branches/sca-java-2.0-M4/modules/endpoint-dht/src | |
parent | 17d6a0df23caf287e42c7dbf3919e49d60fdedd2 (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 '')
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 |