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/*
*
* Copyright (c) 2006 The Apache Software Foundation
*
* Licensed 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.
*
*/
#include "AutoDelete.h"
using namespace qpid::broker;
AutoDelete::AutoDelete(QueueRegistry* const _registry, u_int32_t _period) : registry(_registry),
period(_period),
stopped(true),
runner(0){}
void AutoDelete::add(Queue::shared_ptr const queue){
lock.acquire();
queues.push(queue);
lock.release();
}
Queue::shared_ptr const AutoDelete::pop(){
Queue::shared_ptr next;
lock.acquire();
if(!queues.empty()){
next = queues.front();
queues.pop();
}
lock.release();
return next;
}
void AutoDelete::process(){
Queue::shared_ptr seen;
for(Queue::shared_ptr q = pop(); q; q = pop()){
if(seen == q){
add(q);
break;
}else if(q->canAutoDelete()){
std::string name(q->getName());
registry->destroy(name);
std::cout << "INFO: Auto-deleted queue named " << name << std::endl;
}else{
add(q);
if(!seen) seen = q;
}
}
}
void AutoDelete::run(){
monitor.acquire();
while(!stopped){
process();
monitor.wait(period);
}
monitor.release();
}
void AutoDelete::start(){
monitor.acquire();
if(stopped){
runner = factory.create(this);
stopped = false;
monitor.release();
runner->start();
}else{
monitor.release();
}
}
void AutoDelete::stop(){
monitor.acquire();
if(!stopped){
stopped = true;
monitor.notify();
monitor.release();
runner->join();
delete runner;
}else{
monitor.release();
}
}
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