chia7712 commented on code in PR #19776: URL: https://github.com/apache/kafka/pull/19776#discussion_r2152714907
########## server-common/src/test/java/org/apache/kafka/server/IntegrationTestUtils.java: ########## @@ -0,0 +1,85 @@ +/* + * 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.kafka.server; + +import org.apache.kafka.common.protocol.ApiKeys; +import org.apache.kafka.common.protocol.ByteBufferAccessor; +import org.apache.kafka.common.requests.AbstractRequest; +import org.apache.kafka.common.requests.AbstractResponse; +import org.apache.kafka.common.requests.RequestHeader; +import org.apache.kafka.common.requests.ResponseHeader; +import org.apache.kafka.common.utils.Utils; + +import java.io.DataInputStream; +import java.io.DataOutputStream; +import java.io.IOException; +import java.net.Socket; +import java.nio.ByteBuffer; +import java.util.concurrent.atomic.AtomicInteger; + +public class IntegrationTestUtils { + + private static final AtomicInteger CORRELATION_ID = new AtomicInteger(0); + + public static void sendRequest(Socket socket, byte[] request) throws IOException { + DataOutputStream outgoing = new DataOutputStream(socket.getOutputStream()); + outgoing.writeInt(request.length); + outgoing.write(request); + outgoing.flush(); + } + + public static RequestHeader nextRequestHeader(ApiKeys apiKey, short apiVersion) { + return new RequestHeader(apiKey, apiVersion, "client-id", CORRELATION_ID.getAndIncrement()); + } + + @SuppressWarnings("unchecked") + public static <T extends AbstractResponse> T receive(Socket socket, ApiKeys apiKey, short version) throws IOException, ClassCastException { + var incoming = new DataInputStream(socket.getInputStream()); + int len = incoming.readInt(); + + var responseBytes = new byte[len]; + incoming.readFully(responseBytes); + + var responseBuffer = ByteBuffer.wrap(responseBytes); + ResponseHeader.parse(responseBuffer, apiKey.responseHeaderVersion(version)); + + return (T) AbstractResponse.parseResponse(apiKey, new ByteBufferAccessor(responseBuffer), version); + } + + public static <T extends AbstractResponse> T sendAndReceive( + AbstractRequest request, + Socket socket + ) throws IOException { + CORRELATION_ID.getAndIncrement(); Review Comment: this is unnecessary, right? -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: jira-unsubscr...@kafka.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org