diff options
Diffstat (limited to 'java/java/broker/src/org/apache/qpid/server/Main.java')
| -rw-r--r-- | java/java/broker/src/org/apache/qpid/server/Main.java | 616 |
1 files changed, 616 insertions, 0 deletions
diff --git a/java/java/broker/src/org/apache/qpid/server/Main.java b/java/java/broker/src/org/apache/qpid/server/Main.java new file mode 100644 index 0000000000..a1dabcd964 --- /dev/null +++ b/java/java/broker/src/org/apache/qpid/server/Main.java @@ -0,0 +1,616 @@ +/* + * + * 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.qpid.server; + +import org.apache.qpid.framing.ProtocolVersionList; +import org.apache.qpid.pool.ReadWriteThreadModel; +import org.apache.qpid.server.protocol.AMQPFastProtocolHandler; +import org.apache.qpid.server.protocol.AMQPProtocolProvider; +import org.apache.qpid.server.registry.ApplicationRegistry; +import org.apache.qpid.server.registry.ConfigurationFileApplicationRegistry; +import org.apache.qpid.server.registry.IApplicationRegistry; +import org.apache.qpid.server.transport.ConnectorConfiguration; +import org.apache.qpid.server.configuration.VirtualHostConfiguration; +import org.apache.qpid.server.management.*; +import org.apache.qpid.server.queue.QueueRegistry; +import org.apache.qpid.server.queue.AMQQueue; +import org.apache.qpid.server.exchange.ExchangeRegistry; +import org.apache.qpid.server.exchange.ExchangeFactory; +import org.apache.qpid.server.exchange.Exchange; +import org.apache.qpid.server.store.MessageStore; +import org.apache.qpid.AMQException; +import org.apache.qpid.url.URLSyntaxException; +import org.apache.commons.cli.*; +import org.apache.commons.configuration.ConfigurationException; +import org.apache.log4j.BasicConfigurator; +import org.apache.log4j.Logger; +import org.apache.log4j.xml.DOMConfigurator; +import org.apache.mina.common.ByteBuffer; +import org.apache.mina.common.IoAcceptor; +import org.apache.mina.common.SimpleByteBufferAllocator; +import org.apache.mina.transport.socket.nio.SocketAcceptorConfig; +import org.apache.mina.transport.socket.nio.SocketSessionConfig; + +import javax.management.JMException; +import javax.management.MBeanException; +import javax.management.NotCompliantMBeanException; +import javax.management.ObjectName; +import javax.management.MalformedObjectNameException; + +import java.io.File; +import java.io.IOException; +import java.net.InetAddress; +import java.net.InetSocketAddress; +import java.util.StringTokenizer; +import java.util.Collection; +import java.util.List; + +/** + * Main entry point for AMQPD. + * + */ +public class Main implements ProtocolVersionList +{ + private static final Logger _logger = Logger.getLogger(Main.class); + + private static final String DEFAULT_CONFIG_FILE = "etc/config.xml"; + + private static final String DEFAULT_LOG_CONFIG_FILENAME = "log4j.xml"; + + protected static class InitException extends Exception + { + InitException(String msg) + { + super(msg); + } + } + + protected final Options options = new Options(); + protected CommandLine commandLine; + + protected Main(String[] args) + { + setOptions(options); + if (parseCommandline(args)) + { + execute(); + } + } + + protected boolean parseCommandline(String[] args) + { + try + { + commandLine = new PosixParser().parse(options, args); + return true; + } + catch (ParseException e) + { + System.err.println("Error: " + e.getMessage()); + HelpFormatter formatter = new HelpFormatter(); + formatter.printHelp("Qpid", options, true); + return false; + } + } + + protected void setOptions(Options options) + { + Option help = new Option("h", "help", false, "print this message"); + Option version = new Option("v", "version", false, "print the version information and exit"); + Option configFile = OptionBuilder.withArgName("file").hasArg().withDescription("use given configuration file"). + withLongOpt("config").create("c"); + Option port = OptionBuilder.withArgName("port").hasArg().withDescription("listen on the specified port. Overrides any value in the config file"). + withLongOpt("port").create("p"); + Option bind = OptionBuilder.withArgName("bind").hasArg().withDescription("bind to the specified address. Overrides any value in the config file"). + withLongOpt("bind").create("b"); + Option logconfig = OptionBuilder.withArgName("logconfig").hasArg().withDescription("use the specified log4j xml configuration file. By " + + "default looks for a file named " + DEFAULT_LOG_CONFIG_FILENAME + " in the same directory as the configuration file"). + withLongOpt("logconfig").create("l"); + Option logwatchconfig = OptionBuilder.withArgName("logwatch").hasArg().withDescription("monitor the log file configuration file for changes. Units are seconds. " + + "Zero means do not check for changes.").withLongOpt("logwatch").create("w"); + + options.addOption(help); + options.addOption(version); + options.addOption(configFile); + options.addOption(logconfig); + options.addOption(logwatchconfig); + options.addOption(port); + options.addOption(bind); + } + + protected void execute() + { + // note this understands either --help or -h. If an option only has a long name you can use that but if + // an option has a short name and a long name you must use the short name here. + if (commandLine.hasOption("h")) + { + HelpFormatter formatter = new HelpFormatter(); + formatter.printHelp("Qpid", options, true); + } + else if (commandLine.hasOption("v")) + { + String ver = "Qpid 0.9.0.0"; + String protocol = "AMQP version(s) [major.minor]: "; + for (int i=0; i<pv.length; i++) + { + if (i > 0) + protocol += ", "; + protocol += pv[i][PROTOCOL_MAJOR] + "." + pv[i][PROTOCOL_MINOR]; + } + System.out.println(ver + " (" + protocol + ")"); + } + else + { + try + { + startup(); + } + catch (InitException e) + { + System.out.println(e.getMessage()); + } + catch (ConfigurationException e) + { + System.out.println("Error configuring message broker: " + e); + e.printStackTrace(); + } + catch (Exception e) + { + System.out.println("Error intialising message broker: " + e); + e.printStackTrace(); + } + } + } + + + protected void startup() throws InitException, ConfigurationException, Exception + { + final String QpidHome = System.getProperty("QPID_HOME"); + final File defaultConfigFile = new File(QpidHome, DEFAULT_CONFIG_FILE); + final File configFile = new File(commandLine.getOptionValue("c", defaultConfigFile.getPath())); + if (!configFile.exists()) + { + String error = "File " + configFile + " could not be found. Check the file exists and is readable."; + + if (QpidHome == null) + { + error = error + "\nNote: Qpid_HOME is not set."; + } + + throw new InitException(error); + } + else + { + System.out.println("Using configuration file " + configFile.getAbsolutePath()); + } + + String logConfig = commandLine.getOptionValue("l"); + String logWatchConfig = commandLine.getOptionValue("w", "0"); + if (logConfig != null) + { + File logConfigFile = new File(logConfig); + configureLogging(logConfigFile, logWatchConfig); + } + else + { + File configFileDirectory = configFile.getParentFile(); + File logConfigFile = new File(configFileDirectory, DEFAULT_LOG_CONFIG_FILENAME); + configureLogging(logConfigFile, logWatchConfig); + } + + ApplicationRegistry.initialise(new ConfigurationFileApplicationRegistry(configFile)); + + _logger.info("Starting Qpid.AMQP broker"); + + ConnectorConfiguration connectorConfig = ApplicationRegistry.getInstance(). + getConfiguredObject(ConnectorConfiguration.class); + + ByteBuffer.setUseDirectBuffers(connectorConfig.enableDirectBuffers); + + // the MINA default is currently to use the pooled allocator although this may change in future + // once more testing of the performance of the simple allocator has been done + if (!connectorConfig.enablePooledAllocator) + { + ByteBuffer.setAllocator(new SimpleByteBufferAllocator()); + } + + int port = connectorConfig.port; + + String portStr = commandLine.getOptionValue("p"); + if (portStr != null) + { + try + { + port = Integer.parseInt(portStr); + } + catch (NumberFormatException e) + { + throw new InitException("Invalid port: " + portStr); + } + } + + String VIRTUAL_HOSTS = "virtualhosts"; + + Object virtualHosts = ApplicationRegistry.getInstance().getConfiguration().getProperty(VIRTUAL_HOSTS); + + if (virtualHosts != null) + { + if (virtualHosts instanceof Collection) + { + int totalVHosts = ((Collection) virtualHosts).size(); + for (int vhost = 0; vhost < totalVHosts; vhost++) + { + setupVirtualHosts(configFile.getParent() , (String)((List)virtualHosts).get(vhost)); + } + } + else + { + setupVirtualHosts(configFile.getParent() , (String)virtualHosts); + } + } + bind(port, connectorConfig); + + createAndRegisterBrokerMBean(); + } + + protected void setupVirtualHosts(String configFileParent, String configFilePath) throws ConfigurationException, AMQException, URLSyntaxException + { + String configVar = "${conf}"; + + if (configFilePath.startsWith(configVar)) + { + configFilePath = configFileParent + configFilePath.substring(configVar.length()); + } + + if (configFilePath.indexOf(".xml") != -1 ) + { + VirtualHostConfiguration vHostConfig = new VirtualHostConfiguration(configFilePath); + vHostConfig.performBindings(); + } + else + { + // the virtualhosts value is a path. Search it for XML files. + + File virtualHostDir = new File(configFilePath); + + String[] fileNames = virtualHostDir.list(); + + for (int each=0; each < fileNames.length; each++) + { + if (fileNames[each].endsWith(".xml")) + { + VirtualHostConfiguration vHostConfig = new VirtualHostConfiguration(configFilePath+"/"+fileNames[each]); + vHostConfig.performBindings(); + } + } + } + } + + protected void bind(int port, ConnectorConfiguration connectorConfig) + { + String bindAddr = commandLine.getOptionValue("b"); + if (bindAddr == null) + { + bindAddr = connectorConfig.bindAddress; + } + + try + { + //IoAcceptor acceptor = new SocketAcceptor(connectorConfig.processors); + IoAcceptor acceptor = connectorConfig.createAcceptor(); + SocketAcceptorConfig sconfig = (SocketAcceptorConfig) acceptor.getDefaultConfig(); + SocketSessionConfig sc = (SocketSessionConfig) sconfig.getSessionConfig(); + + sc.setReceiveBufferSize(connectorConfig.socketReceiveBufferSize); + sc.setSendBufferSize(connectorConfig.socketWriteBuferSize); + sc.setTcpNoDelay(connectorConfig.tcpNoDelay); + + // if we do not use the executor pool threading model we get the default leader follower + // implementation provided by MINA + if (connectorConfig.enableExecutorPool) + { + sconfig.setThreadModel(new ReadWriteThreadModel()); + } + + if (connectorConfig.enableNonSSL) + { + AMQPFastProtocolHandler handler = new AMQPProtocolProvider().getHandler(); + InetSocketAddress bindAddress; + if (bindAddr.equals("wildcard")) + { + bindAddress = new InetSocketAddress(port); + } + else + { + bindAddress = new InetSocketAddress(InetAddress.getByAddress(parseIP(bindAddr)), port); + } + acceptor.bind(bindAddress, handler, sconfig); + _logger.info("Qpid.AMQP listening on non-SSL address " + bindAddress); + } + + if (connectorConfig.enableSSL) + { + AMQPFastProtocolHandler handler = new AMQPProtocolProvider().getHandler(); + handler.setUseSSL(true); + try + { + acceptor.bind(new InetSocketAddress(connectorConfig.sslPort), + handler, sconfig); + _logger.info("Qpid.AMQP listening on SSL port " + connectorConfig.sslPort); + } + catch (IOException e) + { + _logger.error("Unable to listen on SSL port: " + e, e); + } + } + } + catch (Exception e) + { + _logger.error("Unable to bind service to registry: " + e, e); + } + } + + public static void main(String[] args) + { + + new Main(args); + } + + private byte[] parseIP(String address) throws Exception + { + StringTokenizer tokenizer = new StringTokenizer(address, "."); + byte[] ip = new byte[4]; + int index = 0; + while (tokenizer.hasMoreTokens()) + { + String token = tokenizer.nextToken(); + try + { + ip[index++] = Byte.parseByte(token); + } + catch (NumberFormatException e) + { + throw new Exception("Error parsing IP address: " + address, e); + } + } + if (index != 4) + { + throw new Exception("Invalid IP address: " + address); + } + return ip; + } + + private void configureLogging(File logConfigFile, String logWatchConfig) + { + int logWatchTime = 0; + try + { + logWatchTime = Integer.parseInt(logWatchConfig); + } + catch (NumberFormatException e) + { + System.err.println("Log watch configuration value of " + logWatchConfig + " is invalid. Must be " + + "a non-negative integer. Using default of zero (no watching configured"); + } + if (logConfigFile.exists() && logConfigFile.canRead()) + { + System.out.println("Configuring logger using configuration file " + logConfigFile.getAbsolutePath()); + if (logWatchTime > 0) + { + System.out.println("log file " + logConfigFile.getAbsolutePath() + " will be checked for changes every " + + logWatchTime + " seconds"); + // log4j expects the watch interval in milliseconds + DOMConfigurator.configureAndWatch(logConfigFile.getAbsolutePath(), logWatchTime * 1000); + } + else + { + DOMConfigurator.configure(logConfigFile.getAbsolutePath()); + } + } + else + { + System.err.println("Logging configuration error: unable to read file " + logConfigFile.getAbsolutePath()); + System.err.println("Using basic log4j configuration"); + BasicConfigurator.configure(); + } + } + + private void createAndRegisterBrokerMBean() throws AMQException + { + try + { + new AMQBrokerManager().register(); + } + catch (NotCompliantMBeanException ex) + { + throw new AMQException("Exception occured in creating AMQBrokerManager MBean."); + } + } + + /** + * AMQPBrokerMBean implements the broker management interface and exposes the + * Broker level management features like creating and deleting exchanges and queue. + */ + @MBeanDescription("This MBean exposes the broker level management features") + private final class AMQBrokerManager extends AMQManagedObject + implements ManagedBroker + { + private final QueueRegistry _queueRegistry; + private final ExchangeRegistry _exchangeRegistry; + private final ExchangeFactory _exchangeFactory; + private final MessageStore _messageStore; + + @MBeanConstructor("Creates the Broker Manager MBean") + protected AMQBrokerManager() throws NotCompliantMBeanException + { + super(ManagedBroker.class, ManagedBroker.TYPE); + + IApplicationRegistry appRegistry = ApplicationRegistry.getInstance(); + _queueRegistry = appRegistry.getQueueRegistry(); + _exchangeRegistry = appRegistry.getExchangeRegistry(); + _exchangeFactory = ApplicationRegistry.getInstance().getExchangeFactory(); + _messageStore = ApplicationRegistry.getInstance().getMessageStore(); + } + + public String getObjectInstanceName() + { + return this.getClass().getName(); + } + + /** + * Creates new exchange and registers it with the registry. + * @param exchangeName + * @param type + * @param durable + * @param autoDelete + * @throws JMException + */ + public void createNewExchange(String exchangeName, + String type, + boolean durable, + boolean autoDelete) + throws JMException + { + try + { + synchronized(_exchangeRegistry) + { + Exchange exchange = _exchangeRegistry.getExchange(exchangeName); + + if (exchange == null) + { + exchange = _exchangeFactory.createExchange(exchangeName, + type, //eg direct + durable, + autoDelete, + 0); //ticket no + _exchangeRegistry.registerExchange(exchange); + } + else + { + throw new JMException("The exchange \"" + exchangeName + "\" already exists."); + } + } + } + catch(AMQException ex) + { + _logger.error("Error in creating exchange " + exchangeName, ex); + throw new MBeanException(ex, ex.toString()); + } + } + + /** + * Unregisters the exchange from registry. + * @param exchangeName + * @throws JMException + */ + public void unregisterExchange(String exchangeName) + throws JMException + { + boolean inUse = false; + // TODO + // Check if the exchange is in use. + // Check if there are queue-bindings with the exchnage and unregister + // when there are no bindings. + try + { + _exchangeRegistry.unregisterExchange(exchangeName, false); + } + catch(AMQException ex) + { + _logger.error("Error in unregistering exchange " + exchangeName, ex); + throw new MBeanException(ex, ex.toString()); + } + } + + /** + * Creates a new queue and registers it with the registry and puts it + * in persistance storage if durable queue. + * @param queueName + * @param durable + * @param owner + * @param autoDelete + * @throws JMException + */ + public void createQueue(String queueName, + boolean durable, + String owner, + boolean autoDelete) + throws JMException + { + AMQQueue queue = _queueRegistry.getQueue(queueName); + if (queue == null) + { + try + { + queue = new AMQQueue(queueName, durable, owner, autoDelete, _queueRegistry); + if (queue.isDurable() && !queue.isAutoDelete()) + { + _messageStore.createQueue(queue); + } + _queueRegistry.registerQueue(queue); + } + catch (AMQException ex) + { + _logger.error("Error in creating queue " + queueName, ex); + throw new MBeanException(ex, ex.toString()); + } + } + else + { + throw new JMException("The queue \"" + queueName + "\" already exists."); + } + } + + /** + * Deletes the queue from queue registry and persistant storage. + * @param queueName + * @throws JMException + */ + public void deleteQueue(String queueName) throws JMException + { + AMQQueue queue = _queueRegistry.getQueue(queueName); + if (queue == null) + { + throw new JMException("The Queue " + queueName + " is not a registerd queue."); + } + + try + { + queue.delete(); + _messageStore.removeQueue(queueName); + + } + catch (AMQException ex) + { + throw new MBeanException(ex, ex.toString()); + } + } + + public ObjectName getObjectName() throws MalformedObjectNameException + { + StringBuffer objectName = new StringBuffer(ManagedObject.DOMAIN); + objectName.append(":type=").append(getType()); + + return new ObjectName(objectName.toString()); + } + } // End of MBean class +} |