com.logicbus.backend.IpAndServiceAccessController Maven / Gradle / Ivy
package com.logicbus.backend;
import com.anysoft.util.Properties;
import com.anysoft.util.PropertiesConstants;
import com.logicbus.models.catalog.Path;
import com.logicbus.models.servant.ServiceDescription;
/**
* 基于IP和服务的访问控制器
*
*
* 本AccessController实现表达了这样的场景：
* - 限定每个客户端对每个服务的访问并发数，通过client.maxThead环境变量控制，缺省为10;
* - 限定每个客户端对每个服务的在一分钟内的访问次数，通过client.maxTimesPerMin环境变量控制，缺省值为1000.
*
* @author duanyy
*
* @version 1.0.1 [20140402 duanyy]
* - {@link com.logicbus.backend.AccessController AccessController}有更新
*
* @version 1.6.3.18 [20150414 duanyy]
* - 方法getClientPriority增加参数sessionId
*
* @version 1.6.4.35 [20160315 duanyy]
* - 实现XMLConfigurable和Configurable接口
*/
public class IpAndServiceAccessController extends AbstractAccessController {
/**
* 最大并发数
*/
protected int maxThread = 10;
/**
* 一分钟内访问次数限制
*/
protected int maxtimesPerMin = 1000;
public IpAndServiceAccessController(){
}
@Override
public void configure(Properties props) {
maxThread = PropertiesConstants.getInt(props, "acm.maxThread", maxThread);
maxtimesPerMin = PropertiesConstants.getInt(props, "acm.maxTimesPerMin", maxtimesPerMin);
}
@Override
public String createSessionId(Path serviceId, ServiceDescription servant,
Context ctx){
return ctx.getClientIp() + ":" + serviceId.getPath();
}
@Override
protected int getClientPriority(String sessionId,Path serviceId,ServiceDescription servant,
Context ctx,AccessStat stat){
if (stat.thread > maxThread || stat.timesOneMin > maxtimesPerMin){
return -1;
}
return 0;
}
}