mirror of https://github.com/longtai-cn/hippo4j
Rpc simplify (#1212)
* fix : Add annotations to classes of rpc module Add version: @since 1.5.1 (#1187) (#812) * fix : Simplify the rpc module, remove unnecessary classes and methods (#1187) (#812) * fix : Adjust unit tests against simplified code(#1187) (#812) * fix : Adjust unit tests against simplified code(#1187) (#812) * fix : Add new unit tests(#1187) (#812)pull/1219/head
pizihao
2 years ago
committed by
GitHub
parent
f1321052c1
commit
9a1089f640
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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cn.hippo4j.rpc.coder;
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import cn.hippo4j.rpc.exception.CoderException;
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import io.netty.buffer.ByteBuf;
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import io.netty.channel.ChannelHandlerContext;
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import io.netty.handler.codec.serialization.ClassResolver;
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import io.netty.handler.codec.serialization.ObjectDecoder;
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/**
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* According to the decoder for java objects implemented by ObjectDecoder,
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* it is necessary to ensure that the transmitted objects can be serialized
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*/
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public class NettyDecoder extends ObjectDecoder {
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public NettyDecoder(ClassResolver classResolver) {
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super(classResolver);
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}
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@Override
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protected Object decode(ChannelHandlerContext ctx, ByteBuf in) {
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ByteBuf byteBuf = in.retainedDuplicate();
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try {
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Object o = super.decode(ctx, in);
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if (o == null) {
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return byteBuf;
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} else {
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return o;
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}
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} catch (Exception e) {
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throw new CoderException("The encoding is abnormal, which may be caused by the failure of the transfer object to be deserialized");
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}
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}
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}
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@ -1,60 +0,0 @@
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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cn.hippo4j.rpc.process;
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import cn.hippo4j.rpc.model.Request;
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import cn.hippo4j.rpc.model.Response;
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/**
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* Callback while the connection is in progress
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*/
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public interface ActivePostProcess {
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/**
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* Client: After establishing a connection and before passing parameters<br>
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* Server: Receives parameters and performs pre-call operations<br>
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*
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* @param request request
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* @return Whether to continue the execution. If it is a client, the returned value does not affect subsequent execution
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*/
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default boolean preHandler(Request request) {
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return true;
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}
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/**
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* Client: Action after receiving a response<br>
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* Server: performs the operation after the call<br>
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*
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* @param request request
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* @param response response
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*/
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default void postHandler(Request request, Response response) {
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// NO SOMETHING
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}
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/**
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* Called when an exception or resource is cleaned
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*
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* @param request request
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* @param response response
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* @param e Exception
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*/
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default void afterCompletion(Request request, Response response, Exception e) {
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// NO SOMETHING
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}
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}
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@ -1,102 +0,0 @@
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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cn.hippo4j.rpc.process;
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import cn.hippo4j.rpc.model.Request;
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import cn.hippo4j.rpc.model.Response;
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import lombok.extern.slf4j.Slf4j;
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import java.util.Arrays;
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import java.util.Collections;
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import java.util.List;
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/**
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* Processor chain for easier processing of processors in different scenarios<br>
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* reference resources: spring HandlerExecutionChain
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*
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* @see ActivePostProcess
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*/
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@Slf4j
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public final class ActiveProcessChain {
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/**
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* A collection of processors that will be applied to their assigned programs.
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* Processors will perform different actions on different occasions for both the server and the client,
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* but the execution period of that action must be the same
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*/
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List<ActivePostProcess> processes;
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/**
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* index <br>
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* that identifies where the {@link ActivePostProcess#preHandler(Request)} processing is performed<br>
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* This allows for the fact that some processors will add shutable operations to the class<br>
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* eg: {@link java.io.Closeable}, The {@link ActivePostProcess#afterCompletion(Request, Response, Exception)}
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* operation is not performed after an exception if the preprocessor is not executed
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*/
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int index = -1;
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public ActiveProcessChain(List<ActivePostProcess> processes) {
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this.processes = processes;
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}
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public ActiveProcessChain(ActivePostProcess... processes) {
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this((processes != null ? Arrays.asList(processes) : Collections.emptyList()));
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}
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/**
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* Apply postHandle methods of registered processes.
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*/
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public boolean applyPreHandle(Request request) {
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for (int i = 0; i < this.processes.size(); i++) {
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ActivePostProcess handle = processes.get(i);
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if (!handle.preHandler(request)) {
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afterCompletion(request, null, null);
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return false;
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}
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this.index = i;
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}
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return true;
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}
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/**
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* Apply postHandle methods of registered processes.
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*/
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public void applyPostHandle(Request request, Response response) {
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for (int i = processes.size() - 1; i >= 0; i--) {
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ActivePostProcess handle = processes.get(i);
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handle.postHandler(request, response);
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}
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}
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/**
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* Trigger afterCompletion callbacks on the mapped ActivePostProcess.
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* Will just invoke afterCompletion for all interceptors whose preHandle invocation
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* has successfully completed and returned true.
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*/
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public void afterCompletion(Request request, Response response, Exception ex) {
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for (int i = this.index; i >= 0; i--) {
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ActivePostProcess handle = processes.get(i);
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try {
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handle.afterCompletion(request, response, ex);
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} catch (Throwable e) {
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log.error("HandlerInterceptor.afterCompletion threw exception", e);
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}
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}
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}
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}
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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cn.hippo4j.rpc.client;
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import java.io.IOException;
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import java.net.ServerSocket;
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public class RandomPort {
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public static int getSafeRandomPort() {
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try (ServerSocket socket = new ServerSocket(0)) {
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return socket.getLocalPort();
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} catch (IOException e) {
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throw new RuntimeException(e);
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}
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}
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}
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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cn.hippo4j.rpc.handler;
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import io.netty.channel.ChannelHandler;
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import io.netty.channel.ChannelHandlerContext;
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public class TestFalseHandler implements ChannelHandler {
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@Override
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public void handlerAdded(ChannelHandlerContext ctx) throws Exception {
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}
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@Override
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public void handlerRemoved(ChannelHandlerContext ctx) throws Exception {
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}
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@Override
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public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
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}
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}
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@ -0,0 +1,72 @@
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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cn.hippo4j.rpc.support;
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import cn.hippo4j.common.toolkit.ThreadUtil;
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import cn.hippo4j.rpc.client.*;
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import cn.hippo4j.rpc.discovery.ClassRegistry;
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import cn.hippo4j.rpc.discovery.DefaultInstance;
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import cn.hippo4j.rpc.discovery.Instance;
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import cn.hippo4j.rpc.discovery.ServerPort;
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import cn.hippo4j.rpc.handler.NettyClientPoolHandler;
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import cn.hippo4j.rpc.handler.NettyClientTakeHandler;
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import cn.hippo4j.rpc.handler.NettyServerTakeHandler;
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import cn.hippo4j.rpc.handler.TestHandler;
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import cn.hippo4j.rpc.model.DefaultRequest;
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import cn.hippo4j.rpc.model.Request;
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import cn.hippo4j.rpc.model.Response;
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import cn.hippo4j.rpc.server.NettyServerConnection;
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import cn.hippo4j.rpc.server.RPCServer;
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import io.netty.channel.pool.ChannelPoolHandler;
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import org.junit.Assert;
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import org.junit.Test;
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import java.io.IOException;
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import java.net.InetSocketAddress;
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public class NettyClientSupportTest {
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@Test
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public void closeTest() throws IOException {
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int port = RandomPort.getSafeRandomPort();
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ServerPort serverPort = () -> port;
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Class<CallManager> cls = CallManager.class;
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String className = cls.getName();
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ClassRegistry.put(className, cls);
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// The mode connection was denied when the server was started on the specified port
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Instance instance = new DefaultInstance();
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NettyServerTakeHandler handler = new NettyServerTakeHandler(instance);
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NettyServerConnection connection = new NettyServerConnection(handler);
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connection.addLast("Test", new TestHandler());
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RPCServer rpcServer = new RPCServer(connection, serverPort);
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rpcServer.bind();
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while (!rpcServer.isActive()) {
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ThreadUtil.sleep(100L);
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}
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InetSocketAddress address = InetSocketAddress.createUnresolved("localhost", port);
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ChannelPoolHandler channelPoolHandler = new NettyClientPoolHandler(new NettyClientTakeHandler());
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ClientConnection clientConnection = new NettyClientConnection(address, channelPoolHandler);
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RPCClient rpcClient = new RPCClient(clientConnection);
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NettyClientSupport.closeClient(new InetSocketAddress("localhost", port));
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rpcClient.close();
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rpcServer.close();
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}
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}
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