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/*
* 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.dubbo.rpc.filter;
import org.apache.dubbo.common.constants.CommonConstants;
import org.apache.dubbo.common.extension.Activate;
import org.apache.dubbo.common.logger.Logger;
import org.apache.dubbo.common.logger.LoggerFactory;
import org.apache.dubbo.rpc.AppResponse;
import org.apache.dubbo.rpc.Filter;
import org.apache.dubbo.rpc.Invocation;
import org.apache.dubbo.rpc.Invoker;
import org.apache.dubbo.rpc.Result;
import org.apache.dubbo.rpc.RpcContext;
import org.apache.dubbo.rpc.RpcException;
import org.apache.dubbo.rpc.TimeoutCountDown;
import static org.apache.dubbo.common.constants.CommonConstants.TIME_COUNTDOWN_KEY;
/**
* Log any invocation timeout, but don't stop server from running
*/
@Activate(group = CommonConstants.PROVIDER)
public class TimeoutFilter implements Filter, Filter.Listener {
private static final Logger logger = LoggerFactory.getLogger(TimeoutFilter.class);
@Override
public Result invoke(Invoker invoker, Invocation invocation) throws RpcException {
return invoker.invoke(invocation);
}
@Override
public void onResponse(Result appResponse, Invoker invoker, Invocation invocation) {
Object obj = RpcContext.getContext().get(TIME_COUNTDOWN_KEY);
if (obj != null) {
TimeoutCountDown countDown = (TimeoutCountDown) obj;
if (countDown.isExpired()) {
((AppResponse) appResponse).clear(); // clear response in case of timeout.
if (logger.isWarnEnabled()) {
logger.warn("invoke timed out. method: " + invocation.getMethodName() +
" url is " + invoker.getUrl() + ", invoke elapsed " + countDown.elapsedMillis() + " ms.");
}
}
}
}
@Override
public void onError(Throwable t, Invoker invoker, Invocation invocation) {
}
}