/*
* Copyright 1999-2011 Alibaba Group.
*
* 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.
*/
package com.alibaba.dubbo.rpc.filter;
import java.util.Arrays;
import com.alibaba.dubbo.common.Extension;
import com.alibaba.dubbo.common.logger.Logger;
import com.alibaba.dubbo.common.logger.LoggerFactory;
import com.alibaba.dubbo.rpc.Filter;
import com.alibaba.dubbo.rpc.Invocation;
import com.alibaba.dubbo.rpc.Invoker;
import com.alibaba.dubbo.rpc.Result;
import com.alibaba.dubbo.rpc.RpcException;
/**
* 如果执行timeout，则log记录下，不干涉服务的运行
*
* @author chao.liuc
*/
@Extension("timeout")
public class TimeoutFilter implements Filter {
private static final Logger logger = LoggerFactory.getLogger(TimeoutFilter.class);
public Result invoke(Invoker<?> invoker, Invocation invocation) throws RpcException {
long start = System.currentTimeMillis();
Result result = invoker.invoke(invocation);
long elapsed = System.currentTimeMillis() - start;
if (invoker.getUrl() != null
&& elapsed > invoker.getUrl().getMethodParameter(invocation.getMethodName(),
"timeout", Integer.MAX_VALUE)) {
if (logger.isWarnEnabled()) {
logger.warn("invoke time out. method: " + invocation.getMethodName()
+ "arguments: " + Arrays.toString(invocation.getArguments()) + " , url is "
+ invoker.getUrl() + ", invoke elapsed " + elapsed + " ms.");
}
}
return result;
}
}