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diff --git a/branches/sca-android/modules/node-manager/LICENSE b/branches/sca-android/modules/node-manager/LICENSE new file mode 100644 index 0000000000..8aa906c321 --- /dev/null +++ b/branches/sca-android/modules/node-manager/LICENSE @@ -0,0 +1,205 @@ + + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. Definitions. + + "License" shall mean the terms and conditions for use, reproduction, + and distribution as defined by Sections 1 through 9 of this document. + + "Licensor" shall mean the copyright owner or entity authorized by + the copyright owner that is granting the License. + + "Legal Entity" shall mean the union of the acting entity and all + other entities that control, are controlled by, or are under common + control with that entity. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed 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. + + + diff --git a/branches/sca-android/modules/node-manager/NOTICE b/branches/sca-android/modules/node-manager/NOTICE new file mode 100644 index 0000000000..94481d6cfa --- /dev/null +++ b/branches/sca-android/modules/node-manager/NOTICE @@ -0,0 +1,6 @@ +${pom.name} +Copyright (c) 2005 - 2007 The Apache Software Foundation + +This product includes software developed by +The Apache Software Foundation (http://www.apache.org/). + diff --git a/branches/sca-android/modules/node-manager/pom.xml b/branches/sca-android/modules/node-manager/pom.xml new file mode 100644 index 0000000000..08152a6344 --- /dev/null +++ b/branches/sca-android/modules/node-manager/pom.xml @@ -0,0 +1,138 @@ +<?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>1.4-SNAPSHOT</version> + <relativePath>../pom.xml</relativePath> + </parent> + + <artifactId>tuscany-node-manager</artifactId> + <name>Apache Tuscany SCA Node Manager Application</name> + + <dependencies> + <dependency> + <groupId>org.apache.tuscany.sca</groupId> + <artifactId>tuscany-implementation-node</artifactId> + <version>1.4-SNAPSHOT</version> + </dependency> + + <dependency> + <groupId>org.apache.tuscany.sca</groupId> + <artifactId>tuscany-core-spi</artifactId> + <version>1.4-SNAPSHOT</version> + </dependency> + + <dependency> + <groupId>org.apache.tuscany.sca</groupId> + <artifactId>tuscany-node-api</artifactId> + <version>1.4-SNAPSHOT</version> + </dependency> + + <dependency> + <groupId>org.apache.tuscany.sca</groupId> + <artifactId>tuscany-node-launcher</artifactId> + <version>1.4-SNAPSHOT</version> + </dependency> + + <dependency> + <groupId>org.apache.tuscany.sca</groupId> + <artifactId>tuscany-host-embedded</artifactId> + <version>1.4-SNAPSHOT</version> + </dependency> + + <dependency> + <groupId>org.apache.tuscany.sca</groupId> + <artifactId>tuscany-data-api</artifactId> + <version>1.4-SNAPSHOT</version> + </dependency> + + <dependency> + <groupId>org.apache.tuscany.sca</groupId> + <artifactId>tuscany-host-http</artifactId> + <version>1.4-SNAPSHOT</version> + </dependency> + + <dependency> + <groupId>javax.servlet</groupId> + <artifactId>servlet-api</artifactId> + <version>2.4</version> <!-- to keep compatible with older servlet containers --> + <scope>provided</scope> + </dependency> + + <dependency> + <groupId>org.apache.tuscany.sca</groupId> + <artifactId>tuscany-node-impl</artifactId> + <version>1.4-SNAPSHOT</version> + <scope>runtime</scope> + </dependency> + + <dependency> + <groupId>org.apache.tuscany.sca</groupId> + <artifactId>tuscany-host-jetty</artifactId> + <version>1.4-SNAPSHOT</version> + <scope>runtime</scope> + </dependency> + + <dependency> + <groupId>org.apache.tuscany.sca</groupId> + <artifactId>tuscany-implementation-java-runtime</artifactId> + <version>1.4-SNAPSHOT</version> + <scope>runtime</scope> + </dependency> + + <dependency> + <groupId>org.apache.tuscany.sca</groupId> + <artifactId>tuscany-binding-atom-abdera</artifactId> + <version>1.4-SNAPSHOT</version> + <scope>runtime</scope> + </dependency> + + <dependency> + <groupId>junit</groupId> + <artifactId>junit</artifactId> + <version>4.2</version> + <scope>test</scope> + </dependency> + + </dependencies> + + + <build> + <plugins> + <plugin> + <groupId>org.apache.felix</groupId> + <artifactId>maven-bundle-plugin</artifactId> + + <configuration> + <instructions> + <Bundle-Version>${tuscany.version}</Bundle-Version> + <Bundle-SymbolicName>org.apache.tuscany.sca.node.manager</Bundle-SymbolicName> + <Bundle-Description>${pom.name}</Bundle-Description> + <Export-Package>org.apache.tuscany.sca.implementation.node.manager*</Export-Package> + </instructions> + </configuration> + </plugin> + </plugins> + </build> + +</project> diff --git a/branches/sca-android/modules/node-manager/src/main/java/org/apache/tuscany/sca/implementation/node/manager/NodeManagerUtil.java b/branches/sca-android/modules/node-manager/src/main/java/org/apache/tuscany/sca/implementation/node/manager/NodeManagerUtil.java new file mode 100644 index 0000000000..8dfae91314 --- /dev/null +++ b/branches/sca-android/modules/node-manager/src/main/java/org/apache/tuscany/sca/implementation/node/manager/NodeManagerUtil.java @@ -0,0 +1,51 @@ +/* + * 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.implementation.node.manager; + +/** + * Utility methods for node implementation launchers. + * + * @version $Rev$ $Date$ + */ +public class NodeManagerUtil { + + private static final String TUSCANY_DOMAIN = "TUSCANY_DOMAIN"; + private static final String DEFAULT_DOMAIN = "http://localhost:9990"; + + /** + * Determine the URI of a node configuration. The domain URI can be configured + * using a TUSCANY_DOMAIN system property or environment variable. + * + * @param nodeName + * @return + */ + public static String nodeConfigurationURI(String nodeName) { + String domain = System.getProperty(TUSCANY_DOMAIN); + if (domain == null || domain.length() == 0) { + domain = System.getenv(TUSCANY_DOMAIN); + } + if (domain == null || domain.length() ==0) { + domain = DEFAULT_DOMAIN; + } + String nodeConfiguration = domain + "/node-config/" + nodeName; + return nodeConfiguration; + } + +} diff --git a/branches/sca-android/modules/node-manager/src/main/java/org/apache/tuscany/sca/implementation/node/manager/NodeProcessCollectionImpl.java b/branches/sca-android/modules/node-manager/src/main/java/org/apache/tuscany/sca/implementation/node/manager/NodeProcessCollectionImpl.java new file mode 100644 index 0000000000..019c2562ec --- /dev/null +++ b/branches/sca-android/modules/node-manager/src/main/java/org/apache/tuscany/sca/implementation/node/manager/NodeProcessCollectionImpl.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.implementation.node.manager; + +import java.io.BufferedReader; +import java.io.IOException; +import java.io.InputStreamReader; +import java.util.ArrayList; +import java.util.List; +import java.util.Properties; +import java.util.logging.Logger; + +import org.apache.tuscany.sca.data.collection.Entry; +import org.apache.tuscany.sca.data.collection.Item; +import org.apache.tuscany.sca.data.collection.ItemCollection; +import org.apache.tuscany.sca.data.collection.LocalItemCollection; +import org.apache.tuscany.sca.data.collection.NotFoundException; +import org.apache.tuscany.sca.node.launcher.NodeLauncher; +import org.osoa.sca.ServiceRuntimeException; +import org.osoa.sca.annotations.Init; +import org.osoa.sca.annotations.Scope; +import org.osoa.sca.annotations.Service; + +/** + * Implementation of a node process collection service. + * + * @version $Rev$ $Date$ + */ +@Scope("COMPOSITE") +@Service(interfaces={ItemCollection.class, LocalItemCollection.class}) +public class NodeProcessCollectionImpl implements ItemCollection, LocalItemCollection { + + private static final Logger logger = Logger.getLogger(NodeProcessCollectionImpl.class.getName()); + + private List<SCANodeVM> nodeVMs = new ArrayList<SCANodeVM>(); + + /** + * Initialize the component. + */ + @Init + public void initialize() { + } + + public Entry<String, Item>[] getAll() { + logger.fine("getAll"); + + // Return all the running VMs + List<Entry<String, Item>> entries = new ArrayList<Entry<String, Item>>(); + for (SCANodeVM vm: nodeVMs) { + entries.add(entry(vm)); + } + return entries.toArray(new Entry[entries.size()]); + } + + public Item get(String key) throws NotFoundException { + logger.fine("get " + key); + + // Return the specified VM + SCANodeVM vm = vm(key); + if (vm == null) { + throw new NotFoundException(); + } + + return item(vm); + } + + public String post(String key, Item item) { + logger.fine("post " + key); + + // If the VM is already running just return it + SCANodeVM vm = vm(key); + if (vm != null) { + if (vm.isAlive()) { + return key; + } else { + // Remove dead VM entry + try { + vm.stop(); + } catch (InterruptedException e) { + throw new ServiceRuntimeException(e); + } + nodeVMs.remove(vm); + } + } + + // Start a new VM and add it to the collection + vm = new SCANodeVM(key); + nodeVMs.add(0, vm); + try { + vm.start(); + } catch (IOException e) { + throw new ServiceRuntimeException(e); + } + + return key; + } + + public void put(String key, Item item) throws NotFoundException { + throw new UnsupportedOperationException(); + } + + public void delete(String key) throws NotFoundException { + logger.fine("delete " + key); + + // Stop a VM and remove it from the collection + SCANodeVM vm = vm(key); + if (vm != null) { + try { + vm.stop(); + } catch (InterruptedException e) { + throw new ServiceRuntimeException(e); + } + nodeVMs.remove(vm); + } else { + //throw new NotFoundException(); + } + } + + public Entry<String, Item>[] query(String queryString) { + logger.fine("query " + queryString); + + if (queryString.startsWith("node=")) { + + // Return the log for the specified VM + String key = queryString.substring(queryString.indexOf('=') + 1); + List<Entry<String, Item>> entries = new ArrayList<Entry<String, Item>>(); + for (SCANodeVM vm: nodeVMs) { + if (vm.getNodeName().equals(key)) { + entries.add(entry(vm)); + } + } + return entries.toArray(new Entry[entries.size()]); + + } else { + throw new UnsupportedOperationException(); + } + } + + /** + * Returns the specified VM. + * + * @param key + * @return + */ + private SCANodeVM vm(String key) { + for (SCANodeVM vm: nodeVMs) { + if (key.equals(vm.getNodeName())) { + return vm; + } + } + return null; + } + + /** + * Returns an entry representing a VM. + * + * @param vm + * @return + */ + private static Entry<String, Item> entry(SCANodeVM vm) { + Entry<String, Item> entry = new Entry<String, Item>(); + entry.setKey(vm.getNodeName()); + entry.setData(item(vm)); + return entry; + } + + /** + * Returns an item representing a VM. + * + * @param vm + * @return + */ + private static Item item(SCANodeVM vm) { + Item item = new Item(); + String key = vm.getNodeName(); + item.setTitle(title(key)); + item.setLink("/node-config/" + vm.getNodeName()); + item.setContents("<span id=\"log\" style=\"white-space: nowrap; font-size: small\">" + vm.getLog().toString() + "</span>"); + return item; + } + + /** + * Represent a child Java VM running an SCA node. + */ + private static class SCANodeVM { + private String nodeName; + private StringBuffer log; + private Process process; + private Thread monitor; + private int status; + + SCANodeVM(String nodeName) { + log = new StringBuffer(); + this.nodeName =nodeName; + } + + /** + * Starts a node in a new VM. + */ + private void start() throws IOException { + + // Determine the node configuration URI + String nodeConfigurationURI = NodeManagerUtil.nodeConfigurationURI(nodeName); + + // Build the Java VM command line + Properties props = System.getProperties(); + String java = props.getProperty("java.home") + "/bin/java"; + String cp = props.getProperty("java.class.path"); + String main = NodeLauncher.class.getName(); + final List<String> command = new ArrayList<String>(); + command.add(java); + command.add("-cp"); + command.add(cp); + + // Propagate TUSCANY properties + String tuscanyHome = props.getProperty("TUSCANY_HOME"); + if (tuscanyHome != null) { + command.add("-DTUSCANY_HOME=" + tuscanyHome); + } + String tuscanyPath = props.getProperty("TUSCANY_PATH"); + if (tuscanyPath != null) { + command.add("-DTUSCANY_PATH=" + tuscanyPath); + } + + // Specify the main class and parameters + command.add(main); + command.add(nodeConfigurationURI); + + logger.info("Starting " + "java " + main + " " + nodeConfigurationURI); + + // Start the VM + ProcessBuilder builder = new ProcessBuilder(command); + builder.redirectErrorStream(true); + process = builder.start(); + + logger.info("Started " + process); + + // Start a thread to monitor the process + final BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream())); + monitor = new Thread(new Runnable() { + public void run() { + try { + for (;;) { + String s = reader.readLine(); + if (s != null) { + logger.info(s); + log.append(s + "<br>"); + } else { + break; + } + } + status = process.waitFor(); + } catch (IOException e) { + } catch (Exception e) { + throw new RuntimeException(e); + } + } + }); + monitor.start(); + } + + /** + * Returns the composite used to start this VM. + * @return + */ + String getNodeName() { + return nodeName; + } + + /** + * Returns the log for this VM. + * + * @return + */ + StringBuffer getLog() { + return log; + } + + /** + * Returns true if the VM is alive + * + * @return + */ + private boolean isAlive() { + return monitor.isAlive(); + } + + /** + * Returns the VM status code. + * @return + */ + int getStatus() { + return status; + } + + /** + * Stops the VM. + * + * @throws InterruptedException + */ + private void stop() throws InterruptedException { + logger.info("Stopping " + process); + + process.destroy(); + monitor.join(); + + logger.info("Stopped " + process); + } + } + + /** + * Returns a node title. + * + * @param key + * @return + */ + private static String title(String key) { + return key; + } + +} diff --git a/branches/sca-android/modules/node-manager/src/main/java/org/apache/tuscany/sca/implementation/node/manager/PingServiceImpl.java b/branches/sca-android/modules/node-manager/src/main/java/org/apache/tuscany/sca/implementation/node/manager/PingServiceImpl.java new file mode 100644 index 0000000000..d0475e1dd3 --- /dev/null +++ b/branches/sca-android/modules/node-manager/src/main/java/org/apache/tuscany/sca/implementation/node/manager/PingServiceImpl.java @@ -0,0 +1,61 @@ +/* + * 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.implementation.node.manager; + +import java.io.IOException; +import java.util.logging.Logger; + +import javax.servlet.Servlet; +import javax.servlet.ServletException; +import javax.servlet.http.HttpServlet; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; +import javax.xml.parsers.ParserConfigurationException; + +import org.osoa.sca.annotations.Init; +import org.osoa.sca.annotations.Scope; +import org.osoa.sca.annotations.Service; + +/** + * Implementation of a ping service component. + * + * @version $Rev$ $Date$ + */ +@Scope("COMPOSITE") +@Service(interfaces={Servlet.class}) +public class PingServiceImpl extends HttpServlet { + private static final long serialVersionUID = -3477992129462720901L; + + private static final Logger logger = Logger.getLogger(PingServiceImpl.class.getName()); + + /** + * Initialize the component. + */ + @Init + public void initialize() throws ParserConfigurationException { + } + + @Override + protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { + logger.fine("ping"); + response.getWriter().print("<html><body><span id=\"ping\">OK</span></body></html>"); + } + +} diff --git a/branches/sca-android/modules/node-manager/src/main/resources/NodeDaemon.composite b/branches/sca-android/modules/node-manager/src/main/resources/NodeDaemon.composite new file mode 100644 index 0000000000..cb587b02fd --- /dev/null +++ b/branches/sca-android/modules/node-manager/src/main/resources/NodeDaemon.composite @@ -0,0 +1,39 @@ +<?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. +--> +<composite xmlns="http://www.osoa.org/xmlns/sca/1.0" + xmlns:t="http://tuscany.apache.org/xmlns/sca/1.0" + targetNamespace="http://tuscany.apache.org/xmlns/sca/1.0" + name="NodeDaemon"> + + <component name="NodeProcessCollectionComponent"> + <implementation.java class="org.apache.tuscany.sca.implementation.node.manager.NodeProcessCollectionImpl"/> + <service name="ItemCollection"> + <t:binding.atom uri="http://localhost:9990/node/processes" title="Log"/> + </service> + </component> + + <component name="PingServiceComponent"> + <implementation.java class="org.apache.tuscany.sca.implementation.node.manager.PingServiceImpl"/> + <service name="Servlet"> + <t:binding.http uri="http://localhost:9990/ping"/> + </service> + </component> + +</composite> |