dubbo TimeoutFilter 源码

  • 2022-10-20
  • 浏览 (217)

dubbo TimeoutFilter 代码

文件路径:/dubbo-rpc/dubbo-rpc-api/src/main/java/org/apache/dubbo/rpc/filter/TimeoutFilter.java

/*
 * 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.getClientAttachment().getObjectAttachment(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) {

    }
}

相关信息

dubbo 源码目录

相关文章

dubbo AccessLogFilter 源码

dubbo ActiveLimitFilter 源码

dubbo ClassLoaderCallbackFilter 源码

dubbo ClassLoaderFilter 源码

dubbo CompatibleFilter 源码

dubbo ContextFilter 源码

dubbo DeprecatedFilter 源码

dubbo EchoFilter 源码

dubbo ExceptionFilter 源码

dubbo ExecuteLimitFilter 源码

0  赞