diff src/com/go/trove/net/SocketFactory.java @ 0:3dc0c5604566

Initial checkin of blitz 2.0 fcs - no installer yet.
author Dan Creswell <dan.creswell@gmail.com>
date Sat, 21 Mar 2009 11:00:06 +0000
parents
children
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/com/go/trove/net/SocketFactory.java	Sat Mar 21 11:00:06 2009 +0000
@@ -0,0 +1,206 @@
+/* ====================================================================
+ * Trove - Copyright (c) 1997-2000 Walt Disney Internet Group
+ * ====================================================================
+ * The Tea Software License, Version 1.1
+ *
+ * Copyright (c) 2000 Walt Disney Internet Group. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. The end-user documentation included with the redistribution,
+ *    if any, must include the following acknowledgment:
+ *       "This product includes software developed by the
+ *        Walt Disney Internet Group (http://opensource.go.com/)."
+ *    Alternately, this acknowledgment may appear in the software itself,
+ *    if and wherever such third-party acknowledgments normally appear.
+ *
+ * 4. The names "Tea", "TeaServlet", "Kettle", "Trove" and "BeanDoc" must
+ *    not be used to endorse or promote products derived from this
+ *    software without prior written permission. For written
+ *    permission, please contact opensource@dig.com.
+ *
+ * 5. Products derived from this software may not be called "Tea",
+ *    "TeaServlet", "Kettle" or "Trove", nor may "Tea", "TeaServlet",
+ *    "Kettle", "Trove" or "BeanDoc" appear in their name, without prior
+ *    written permission of the Walt Disney Internet Group.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED.  IN NO EVENT SHALL THE WALT DISNEY INTERNET GROUP OR ITS
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * For more information about Tea, please see http://opensource.go.com/.
+ */
+
+package com.go.trove.net;
+
+import java.net.*;
+
+/******************************************************************************
+ * Allows client sockets to be created or recycled.
+ *
+ * @author Brian S O'Neill
+ * @version
+ * <!--$$Revision: 1.1 $-->, <!--$$JustDate:--> 00/12/05 <!-- $-->
+ */
+public interface SocketFactory {
+    /**
+     * Returns the InetAddress and port that this factory will most likely
+     * connect to. If the address isn't precisely known, its value is 0.0.0.0.
+     * If the port isn't known, its value is -1.
+     */
+    public InetAddressAndPort getInetAddressAndPort();
+
+    /**
+     * Returns the InetAddress and port that this factory will most likely
+     * connect to. If the address isn't precisely known, its value is 0.0.0.0.
+     * If the port isn't known, its value is -1.
+     *
+     * @param session Object whose hashcode might be used to select a specific
+     * connection if factory is distributed. If null, then no session is used.
+     */
+    public InetAddressAndPort getInetAddressAndPort(Object session);
+    
+    /**
+     * Returns the default timeout for creating or getting sockets or -1 if
+     * infinite.
+     */
+    public long getDefaultTimeout();
+
+    /**
+     * Must always return a new socket connection. When the socket is no longer
+     * needed, call {@link recycleSocket} so that it be used again.
+     *
+     * @throws ConnectException if timeout has elapsed and no socket is
+     * available or factory is closed
+     */
+    public CheckedSocket createSocket()
+        throws ConnectException, SocketException;
+
+    /**
+     * Returns a new socket connection. When the socket is no longer
+     * needed, call {@link recycleSocket} so that it be used again.
+     *
+     * @param session Object whose hashcode might be used to select a specific
+     * connection if factory is distributed. If null, then no session is used.
+     * @throws ConnectException if timeout has elapsed and no socket is
+     * available or factory is closed
+     */
+    public CheckedSocket createSocket(Object session)
+        throws ConnectException, SocketException;
+
+    /**
+     * Returns a new socket connection. When the socket is no longer
+     * needed, call {@link recycleSocket} so that it be used again.
+     *
+     * @param timeout Maximum time to wait (in milliseconds) for a connection
+     * to be created before throwing a ConnectException
+     * @throws ConnectException if timeout has elapsed and no socket is
+     * available or factory is closed
+     */
+    public CheckedSocket createSocket(long timeout)
+        throws ConnectException, SocketException;
+    
+    /**
+     * Returns a new socket connection. When the socket is no longer
+     * needed, call {@link recycleSocket} so that it be used again.
+     *
+     * @param session Object whose hashcode might be used to select a specific
+     * connection if factory is distributed. If null, then no session is used.
+     * @param timeout Maximum time to wait (in milliseconds) for a connection
+     * to become available before throwing an exception
+     * @throws ConnectException if timeout has elapsed and no socket is
+     * available or factory is closed
+     */
+    public CheckedSocket createSocket(Object session, long timeout)
+        throws ConnectException, SocketException;
+
+    /**
+     * Returns a new or recycled socket connection. When the socket is no
+     * longer needed, call {@link recycleSocket} so that it be used again.
+     *
+     * @throws ConnectException if timeout has elapsed and no socket is
+     * available or factory is closed
+     */
+    public CheckedSocket getSocket() throws ConnectException, SocketException;
+
+    /**
+     * Returns a new or recycled socket connection. When the socket is no
+     * longer needed, call {@link recycleSocket} so that it be used again.
+     *
+     * @param session Object whose hashcode might be used to select a specific
+     * connection if factory is distributed. If null, then no session is used.
+     * @throws ConnectException if timeout has elapsed and no socket is
+     * available or factory is closed
+     */
+    public CheckedSocket getSocket(Object session)
+        throws ConnectException, SocketException;
+
+    /**
+     * Returns a new or recycled socket connection. When the socket is no
+     * longer needed, call {@link recycleSocket} so that it be used again.
+     *
+     * @param timeout Maximum time to wait (in milliseconds) for a connection
+     * to be returned before throwing a ConnectException
+     * @throws ConnectException if timeout has elapsed and no socket is
+     * available or factory is closed
+     */
+    public CheckedSocket getSocket(long timeout)
+        throws ConnectException, SocketException;
+
+    /**
+     * Returns a new or recycled socket connection. When the socket is no
+     * longer needed, call {@link recycleSocket} so that it be used again.
+     *
+     * @param session Object whose hashcode might be used to select a specific
+     * connection if factory is distributed. If null, then no session is used.
+     * @param timeout Maximum time to wait (in milliseconds) for a connection
+     * to be returned before throwing a ConnectException
+     * @throws ConnectException if timeout has elapsed and no socket is
+     * available or factory is closed
+     */
+    public CheckedSocket getSocket(Object session, long timeout)
+        throws ConnectException, SocketException;
+
+    /**
+     * Recycle a socket connection that was returned from the {@link getSocket}
+     * or {@link createSocket} methods. Since SocketFactory has no knowledge of
+     * any protocol being used on the socket, it is the responsibility of the
+     * caller to ensure the socket is in a "clean" state. Depending on
+     * implementation, the recycled socket may simply be closed.
+     *
+     * @param socket Socket which must have come from this factory. Passing in
+     * null is ignored.
+     */
+    public void recycleSocket(CheckedSocket socket)
+        throws SocketException, IllegalArgumentException;
+
+    /**
+     * Closes all recycled connections, but does not prevent new connections
+     * from being created and recycled.
+     */
+    public void clear();
+
+    /**
+     * Returns the number of recycled sockets currently available.
+     */    
+    public int getAvailableCount();
+}