| /* |
| * 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.jk.common; |
| |
| import java.io.IOException; |
| import java.io.RandomAccessFile; |
| import java.nio.MappedByteBuffer; |
| import java.nio.channels.FileChannel; |
| |
| import org.apache.jk.core.Msg; |
| import org.apache.jk.core.MsgContext; |
| import org.apache.tomcat.util.IntrospectionUtils; |
| |
| /** Shm implementation using JDK1.4 nio. |
| * |
| * |
| * @author Costin Manolache |
| */ |
| public class Shm14 extends Shm { |
| |
| |
| // Not ready yet. |
| |
| private static org.apache.commons.logging.Log log= |
| org.apache.commons.logging.LogFactory.getLog( Shm14.class ); |
| |
| MappedByteBuffer bb; |
| |
| public void init() { |
| try { |
| RandomAccessFile f=new RandomAccessFile( file, "rw" ); |
| FileChannel fc=f.getChannel(); |
| |
| bb=fc.map( FileChannel.MapMode.READ_WRITE, 0, f.length()); |
| } catch( IOException ex ) { |
| ex.printStackTrace(); |
| } |
| } |
| |
| public void dumpScoreboard(String file) { |
| // We can only sync with our backing store. |
| bb.force(); |
| // XXX we should copy the content to the file |
| } |
| |
| public void resetScoreboard() throws IOException { |
| // XXX Need to write the head |
| } |
| |
| |
| public int invoke(Msg msg, MsgContext ep ) |
| throws IOException |
| { |
| if (log.isDebugEnabled()) |
| log.debug("ChannelShm14.invoke: " + ep ); |
| |
| // |
| |
| return 0; |
| } |
| |
| public void initCli() { |
| } |
| |
| public static void main( String args[] ) { |
| try { |
| Shm14 shm=new Shm14(); |
| |
| if( args.length == 0 || |
| ( "-?".equals(args[0]) ) ) { |
| shm.setHelp( true ); |
| return; |
| } |
| |
| IntrospectionUtils.processArgs( shm, args); |
| shm.execute(); |
| } catch( Exception ex ) { |
| ex.printStackTrace(); |
| } |
| } |
| |
| } |