/* | |
* 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 com.alibaba.dubbo.rpc.filter; | |
import com.alibaba.dubbo.common.Constants; | |
import com.alibaba.dubbo.common.extension.Activate; | |
import com.alibaba.dubbo.common.utils.NetUtils; | |
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.RpcContext; | |
import com.alibaba.dubbo.rpc.RpcException; | |
import com.alibaba.dubbo.rpc.RpcInvocation; | |
import com.alibaba.dubbo.rpc.RpcResult; | |
/** | |
* ConsumerContextInvokerFilter | |
*/ | |
@Activate(group = Constants.CONSUMER, order = -10000) | |
public class ConsumerContextFilter implements Filter { | |
@Override | |
public Result invoke(Invoker<?> invoker, Invocation invocation) throws RpcException { | |
RpcContext.getContext() | |
.setInvoker(invoker) | |
.setInvocation(invocation) | |
.setLocalAddress(NetUtils.getLocalHost(), 0) | |
.setRemoteAddress(invoker.getUrl().getHost(), | |
invoker.getUrl().getPort()); | |
if (invocation instanceof RpcInvocation) { | |
((RpcInvocation) invocation).setInvoker(invoker); | |
} | |
try { | |
RpcResult result = (RpcResult) invoker.invoke(invocation); | |
RpcContext.getServerContext().setAttachments(result.getAttachments()); | |
return result; | |
} finally { | |
RpcContext.getContext().clearAttachments(); | |
} | |
} | |
} |