chia7712 commented on code in PR #19776: URL: https://github.com/apache/kafka/pull/19776#discussion_r2150020977
########## server-common/src/test/java/org/apache/kafka/server/IntegrationTestUtils.java: ########## @@ -0,0 +1,87 @@ +/* + * 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; + +public class IntegrationTestUtils { + + private static int correlationId = 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", 1); + } + + @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); + } + + @SuppressWarnings("unchecked") + public static <T extends AbstractResponse> T sendAndReceive( + AbstractRequest request, + Socket socket + ) throws IOException { + correlationId += 1; + RequestHeader header = new RequestHeader(request.apiKey(), request.version(), "client-id", correlationId); + byte[] serializedBytes = Utils.toArray(request.serializeWithHeader(header)); + sendRequest(socket, serializedBytes); + return receive(socket, request.apiKey(), request.version()); + } + + @SuppressWarnings("unchecked") Review Comment: ditto ########## server-common/src/test/java/org/apache/kafka/server/IntegrationTestUtils.java: ########## @@ -0,0 +1,87 @@ +/* + * 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; + +public class IntegrationTestUtils { + + private static int correlationId = 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", 1); Review Comment: `1` -> `correlationId++` Maybe we should use `AtomicInteger` instead to avoid potential thread issue. ########## server-common/src/test/java/org/apache/kafka/server/IntegrationTestUtils.java: ########## @@ -0,0 +1,87 @@ +/* + * 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; + +public class IntegrationTestUtils { + + private static int correlationId = 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", 1); + } + + @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); + } + + @SuppressWarnings("unchecked") Review Comment: this is redundant. ########## server-common/src/test/java/org/apache/kafka/server/IntegrationTestUtils.java: ########## @@ -0,0 +1,87 @@ +/* + * 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; + +public class IntegrationTestUtils { + + private static int correlationId = 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", 1); + } + + @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); + } + + @SuppressWarnings("unchecked") + public static <T extends AbstractResponse> T sendAndReceive( + AbstractRequest request, + Socket socket + ) throws IOException { + correlationId += 1; + RequestHeader header = new RequestHeader(request.apiKey(), request.version(), "client-id", correlationId); + byte[] serializedBytes = Utils.toArray(request.serializeWithHeader(header)); + sendRequest(socket, serializedBytes); + return receive(socket, request.apiKey(), request.version()); + } + + @SuppressWarnings("unchecked") + public static <T extends AbstractResponse> T connectAndReceive( + AbstractRequest request, + int port + ) throws IOException { + try (Socket socket = connect(port)) { + return (T) sendAndReceive(request, socket); Review Comment: casting is redundant. -- This is an automated message from the Apache Git Service. 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