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Diffstat (limited to 'jurt/com/sun/star/lib/connections/socket/socketAcceptor.java')
| -rw-r--r-- | jurt/com/sun/star/lib/connections/socket/socketAcceptor.java | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/jurt/com/sun/star/lib/connections/socket/socketAcceptor.java b/jurt/com/sun/star/lib/connections/socket/socketAcceptor.java new file mode 100644 index 000000000000..f2119225f029 --- /dev/null +++ b/jurt/com/sun/star/lib/connections/socket/socketAcceptor.java @@ -0,0 +1,207 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +package com.sun.star.lib.connections.socket; + +import com.sun.star.comp.loader.FactoryHelper; +import com.sun.star.connection.AlreadyAcceptingException; +import com.sun.star.connection.ConnectionSetupException; +import com.sun.star.connection.XAcceptor; +import com.sun.star.connection.XConnection; +import com.sun.star.lang.XMultiServiceFactory; +import com.sun.star.lang.XSingleServiceFactory; +import com.sun.star.registry.XRegistryKey; +import java.io.IOException; +import java.net.InetAddress; +import java.net.ServerSocket; +import java.net.Socket; + +/** + * A component that implements the <code>XAcceptor</code> interface. + * + * <p>The <code>socketAcceptor</code> is a specialized component that uses TCP + * sockets for communication. The <code>socketAcceptor</code> is generally used + * by the <code>com.sun.star.connection.Acceptor</code> service.</p> + * + * @see com.sun.star.connections.XAcceptor + * @see com.sun.star.connections.XConnection + * @see com.sun.star.connections.XConnector + * @see com.sun.star.loader.JavaLoader + * + * @since UDK 1.0 + */ +public final class socketAcceptor implements XAcceptor { + /** + * The name of the service. + * + * <p>The <code>JavaLoader</code> acceses this through reflection.</p> + * + * @see com.sun.star.comp.loader.JavaLoader + */ + public static final String __serviceName + = "com.sun.star.connection.socketAcceptor"; + + /** + * Returns a factory for creating the service. + * + * <p>This method is called by the <code>JavaLoader</code>.</p> + * + * @param implName the name of the implementation for which a service is + * requested. + * @param multiFactory the service manager to be used (if needed). + * @param regKey the registry key. + * @return an <code>XSingleServiceFactory</code> for creating the component. + * + * @see com.sun.star.comp.loader.JavaLoader + */ + public static XSingleServiceFactory __getServiceFactory( + String implName, XMultiServiceFactory multiFactory, XRegistryKey regKey) + { + return implName.equals(socketAcceptor.class.getName()) + ? FactoryHelper.getServiceFactory(socketAcceptor.class, + __serviceName, multiFactory, + regKey) + : null; + } + + /** + * Writes the service information into the given registry key. + * + * <p>This method is called by the <code>JavaLoader</code>.</p> + * + * @param regKey the registry key. + * @return <code>true</code> if the operation succeeded. + * + * @see com.sun.star.comp.loader.JavaLoader + */ + public static boolean __writeRegistryServiceInfo(XRegistryKey regKey) { + return FactoryHelper.writeRegistryServiceInfo( + socketAcceptor.class.getName(), __serviceName, regKey); + } + + /** + * Accepts a connection request via the described socket. + * + * <p>This call blocks until a connection has been established.</p> + * + * <p>The connection description has the following format: + * <code><var>type</var></code><!-- + * -->*(<code><var>key</var>=<var>value</var></code>), + * where <code><var>type</var></code> should be <code>socket</code> + * (ignoring case). Supported keys (ignoring case) currently are + * <dl> + * <dt><code>host</code> + * <dd>The name or address of the accepting interface (defaults to + * <code>0</code>, meaning any interface). + * <dt><code>port</code> + * <dd>The TCP port number to accept on (defaults to <code>6001</code>). + * <dt><code>backlog</code> + * <dd>The maximum length of the acceptor's queue (defaults to + * <code>50</code>). + * <dt><code>tcpnodelay</code> + * <dd>A flag (<code>0</code>/<code>1</code>) enabling or disabling Nagle's + * algorithm on the resulting connection. + * </dl></p> + * + * @param connectionDescription the description of the connection. + * @return an <code>XConnection</code> to the client. + * + * @see com.sun.star.connections.XConnection + * @see com.sun.star.connections.XConnector + */ + public XConnection accept(String connectionDescription) throws + AlreadyAcceptingException, ConnectionSetupException, + com.sun.star.lang.IllegalArgumentException + { + ServerSocket serv; + synchronized (this) { + if (server == null) { + ConnectionDescriptor desc + = new ConnectionDescriptor(connectionDescription); + String host = desc.getHost(); + if (host.equals("0")) { + host = null; + } + if (DEBUG) { + System.err.println("##### " + getClass().getName() + + ".accept: creating ServerSocket " + + desc.getPort() + ", " + + desc.getBacklog() + ", " + host); + } + try { + server = new ServerSocket(desc.getPort(), desc.getBacklog(), + host == null ? null + : InetAddress.getByName(host)); + } catch (IOException e) { + throw new ConnectionSetupException(e.toString()); + } + acceptingDescription = connectionDescription; + tcpNoDelay = desc.getTcpNoDelay(); + } else if (!connectionDescription.equals(acceptingDescription)) { + throw new AlreadyAcceptingException(acceptingDescription + + " vs. " + + connectionDescription); + } + serv = server; + } + Socket socket; + try { + socket = serv.accept(); + if (DEBUG) { + System.err.println("##### " + getClass().getName() + + ".accept: accepted " + socket); + } + if (tcpNoDelay != null) { + socket.setTcpNoDelay(tcpNoDelay.booleanValue()); + } + return new SocketConnection(acceptingDescription, socket); + } + catch(IOException e) { + throw new ConnectionSetupException(e.toString()); + } + } + + // see com.sun.star.connection.XAcceptor#stopAccepting + public void stopAccepting() { + ServerSocket serv; + synchronized (this) { + serv = server; + } + try { + serv.close(); + } + catch (IOException e) { + throw new com.sun.star.uno.RuntimeException(e.toString()); + } + } + + private static final boolean DEBUG = false; + + private ServerSocket server = null; + private String acceptingDescription; + private Boolean tcpNoDelay; +} |