| /* |
| * |
| * 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.mina.transport.vmpipe.support; |
| |
| import org.apache.mina.common.IdleStatus; |
| |
| import java.util.HashMap; |
| import java.util.IdentityHashMap; |
| import java.util.Iterator; |
| import java.util.Map; |
| |
| /** |
| * This file is a patch to override MINA, because of the IdentityHashMap bug. Workaround to be supplied in MINA 1.0.7. |
| * This patched file will be removed once upgraded onto a newer MINA. |
| * |
| * Dectects idle sessions and fires <tt>sessionIdle</tt> events to them. |
| * |
| * @author The Apache Directory Project (mina-dev@directory.apache.org) |
| */ |
| public class VmPipeIdleStatusChecker |
| { |
| private static final VmPipeIdleStatusChecker INSTANCE = new VmPipeIdleStatusChecker(); |
| |
| public static VmPipeIdleStatusChecker getInstance() |
| { |
| return INSTANCE; |
| } |
| |
| private final Map sessions = new HashMap(); // will use as a set |
| |
| private final Worker worker = new Worker(); |
| |
| private VmPipeIdleStatusChecker() |
| { |
| worker.start(); |
| } |
| |
| public void addSession(VmPipeSessionImpl session) |
| { |
| synchronized (sessions) |
| { |
| sessions.put(session, session); |
| } |
| } |
| |
| private class Worker extends Thread |
| { |
| private Worker() |
| { |
| super("VmPipeIdleStatusChecker"); |
| setDaemon(true); |
| } |
| |
| public void run() |
| { |
| for (;;) |
| { |
| try |
| { |
| Thread.sleep(1000); |
| } |
| catch (InterruptedException e) |
| { } |
| |
| long currentTime = System.currentTimeMillis(); |
| |
| synchronized (sessions) |
| { |
| Iterator it = sessions.keySet().iterator(); |
| while (it.hasNext()) |
| { |
| VmPipeSessionImpl session = (VmPipeSessionImpl) it.next(); |
| if (!session.isConnected()) |
| { |
| it.remove(); |
| } |
| else |
| { |
| notifyIdleSession(session, currentTime); |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| private void notifyIdleSession(VmPipeSessionImpl session, long currentTime) |
| { |
| notifyIdleSession0(session, currentTime, session.getIdleTimeInMillis(IdleStatus.BOTH_IDLE), IdleStatus.BOTH_IDLE, |
| Math.max(session.getLastIoTime(), session.getLastIdleTime(IdleStatus.BOTH_IDLE))); |
| notifyIdleSession0(session, currentTime, session.getIdleTimeInMillis(IdleStatus.READER_IDLE), IdleStatus.READER_IDLE, |
| Math.max(session.getLastReadTime(), session.getLastIdleTime(IdleStatus.READER_IDLE))); |
| notifyIdleSession0(session, currentTime, session.getIdleTimeInMillis(IdleStatus.WRITER_IDLE), IdleStatus.WRITER_IDLE, |
| Math.max(session.getLastWriteTime(), session.getLastIdleTime(IdleStatus.WRITER_IDLE))); |
| } |
| |
| private void notifyIdleSession0(VmPipeSessionImpl session, long currentTime, long idleTime, IdleStatus status, |
| long lastIoTime) |
| { |
| if ((idleTime > 0) && (lastIoTime != 0) && ((currentTime - lastIoTime) >= idleTime)) |
| { |
| session.increaseIdleCount(status); |
| session.getFilterChain().fireSessionIdle(session, status); |
| } |
| } |
| |
| } |