| /** |
| * 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 kafka.api |
| |
| import java.nio.ByteBuffer |
| import kafka.api.ApiUtils._ |
| import collection.mutable.ListBuffer |
| import kafka.network.{BoundedByteBufferSend, RequestChannel} |
| import kafka.common.{TopicAndPartition, ErrorMapping} |
| import kafka.network.RequestChannel.Response |
| import kafka.utils.Logging |
| |
| object ControlledShutdownRequest extends Logging { |
| val CurrentVersion = 0.shortValue |
| val DefaultClientId = "" |
| |
| def readFrom(buffer: ByteBuffer): ControlledShutdownRequest = { |
| val versionId = buffer.getShort |
| val correlationId = buffer.getInt |
| val brokerId = buffer.getInt |
| new ControlledShutdownRequest(versionId, correlationId, brokerId) |
| } |
| } |
| |
| case class ControlledShutdownRequest(val versionId: Short, |
| val correlationId: Int, |
| val brokerId: Int) |
| extends RequestOrResponse(Some(RequestKeys.ControlledShutdownKey)){ |
| |
| def this(correlationId: Int, brokerId: Int) = |
| this(ControlledShutdownRequest.CurrentVersion, correlationId, brokerId) |
| |
| def writeTo(buffer: ByteBuffer) { |
| buffer.putShort(versionId) |
| buffer.putInt(correlationId) |
| buffer.putInt(brokerId) |
| } |
| |
| def sizeInBytes(): Int = { |
| 2 + /* version id */ |
| 4 + /* correlation id */ |
| 4 /* broker id */ |
| } |
| |
| override def toString(): String = { |
| describe(true) |
| } |
| |
| override def handleError(e: Throwable, requestChannel: RequestChannel, request: RequestChannel.Request): Unit = { |
| val errorResponse = ControlledShutdownResponse(correlationId, ErrorMapping.codeFor(e.getCause.asInstanceOf[Class[Throwable]]), Set.empty[TopicAndPartition]) |
| requestChannel.sendResponse(new Response(request, new BoundedByteBufferSend(errorResponse))) |
| } |
| |
| override def describe(details: Boolean = false): String = { |
| val controlledShutdownRequest = new StringBuilder |
| controlledShutdownRequest.append("Name: " + this.getClass.getSimpleName) |
| controlledShutdownRequest.append("; Version: " + versionId) |
| controlledShutdownRequest.append("; CorrelationId: " + correlationId) |
| controlledShutdownRequest.append("; BrokerId: " + brokerId) |
| controlledShutdownRequest.toString() |
| } |
| } |