diff options
author | giorgio <giorgio@13f79535-47bb-0310-9956-ffa450edef68> | 2009-09-19 23:32:30 +0000 |
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committer | giorgio <giorgio@13f79535-47bb-0310-9956-ffa450edef68> | 2009-09-19 23:32:30 +0000 |
commit | cf84498a0261a048366d32c087b0972aadb83b5d (patch) | |
tree | 7abfcc5b10aeca85fa86211705e76992c8c0d503 /java/sca/modules/endpoint-dht | |
parent | c5bbbaa969f990c7ebcebefd11ee3fad0f6c7636 (diff) |
initial version of endpoint dht register
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@816965 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'java/sca/modules/endpoint-dht')
4 files changed, 421 insertions, 0 deletions
diff --git a/java/sca/modules/endpoint-dht/META-INF/MANIFEST.MF b/java/sca/modules/endpoint-dht/META-INF/MANIFEST.MF new file mode 100644 index 0000000000..82533cda1b --- /dev/null +++ b/java/sca/modules/endpoint-dht/META-INF/MANIFEST.MF @@ -0,0 +1,19 @@ +Manifest-Version: 1.0
+Private-Package: org.apache.tuscany.sca.xsd.impl;version="2.0.0"
+Tool: Bnd-0.0.255
+Bundle-Name: Apache Tuscany SCA Tomcat Tribes Based EndPoint Registry
+Created-By: 1.6.0_07 (Sun Microsystems Inc.)
+Bundle-Vendor: The Apache Software Foundation
+Bundle-Version: 2.0.0
+Bnd-LastModified: 1225397174343
+Bundle-ManifestVersion: 2
+Bundle-License: http://www.apache.org/licenses/LICENSE-2.0.txt
+Bundle-Description: Apache Tuscany SCA XSD Model
+Bundle-SymbolicName: org.apache.tuscany.sca.endpoint.dht
+Bundle-DocURL: http://www.apache.org/
+Bundle-RequiredExecutionEnvironment: J2SE-1.5,JavaSE-1.6 +Import-Package: org.apache.juli.logging;resolution:=optional,
+ org.apache.tuscany.sca.assembly;version="2.0.0",
+ org.apache.tuscany.sca.core;version="2.0.0",
+ org.apache.tuscany.sca.policy;version="2.0.0",
+ org.apache.tuscany.sca.runtime;version="2.0.0"
diff --git a/java/sca/modules/endpoint-dht/pom.xml b/java/sca/modules/endpoint-dht/pom.xml new file mode 100644 index 0000000000..8c62c5dde6 --- /dev/null +++ b/java/sca/modules/endpoint-dht/pom.xml @@ -0,0 +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-dht</artifactId> + <name>Apache Tuscany SCA OverlayWeaver DHT Based EndPoint Registry</name> + + <dependencies> + <!-- <dependency> + <groupId>org.apache.tomcat</groupId> + <artifactId>overlay</artifactId> + <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-dht/src/main/java/org/apache/tuscany/sca/endpoint/dht/OverlayEndpointRegistry.java b/java/sca/modules/endpoint-dht/src/main/java/org/apache/tuscany/sca/endpoint/dht/OverlayEndpointRegistry.java new file mode 100644 index 0000000000..1bbf042379 --- /dev/null +++ b/java/sca/modules/endpoint-dht/src/main/java/org/apache/tuscany/sca/endpoint/dht/OverlayEndpointRegistry.java @@ -0,0 +1,338 @@ +/* + * 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.logging.Level; +import java.util.logging.Logger; +import ow.id.ID; +import ow.routing.RoutingException; +import ow.dht.DHT; +import ow.dht.DHTConfiguration; + +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; + + + 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 */ + String 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, 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); + map.put(key, endpoint); + 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); + logger.info("Matching against - " + endpoint); + Set<ValueInfo<Endpoint>> values = map.get(key); + for (ValueInfo<Endpoint>v : values) + { + Endpoint endpoint = v.getValue(); + if (matches(targetEndpoint.getURI(), endpoint.getURI())) { + + if (!isLocal(v)) { + endpoint.setRemote(true); + } + + endpoint.setExtensionPointRegistry(registry); + + foundEndpoints.add(endpoint); + logger.info("Found endpoint with matching service - " + endpoint); + } + + } + + + } + return foundEndpoints; + } + + private boolean isLocal(Endpoint entry) { + Endpoint local; + local = publishedEndpoint.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; + local = publishedEndpoint.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); + Set<ValueInfo<Endpoint>> values = map.get(key); + return (Endpoint)map.get(uri); + } + + public List<EndpointReference> getEndpointRefereneces() { + return endpointreferences; + } + + public List<Endpoint> getEndpoints() { + /*TODO*/ + } + + public List<EndpointListener> getListeners() { + return listeners; + } + + public void removeEndpoint(Endpoint endpoint) { + /*TODO*/ + publishedEndpoint.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*/ + } + + public static void main(String[] args) throws Exception { + 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, joinPort); + } + catch (IOException e) { + throw new IllegalStateException(e); + } + 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; + } + } + +} diff --git a/java/sca/modules/endpoint-dht/src/main/resources/META-INF/services/org.apache.tuscany.sca.runtime.EndpointRegistry b/java/sca/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/java/sca/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 |