| /* |
| * |
| * 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.bookkeeper.proto; |
| |
| import io.netty.channel.Channel; |
| |
| import java.io.IOException; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.bookkeeper.proto.BookkeeperProtocol.GetBookieInfoRequest; |
| import org.apache.bookkeeper.proto.BookkeeperProtocol.GetBookieInfoResponse; |
| import org.apache.bookkeeper.proto.BookkeeperProtocol.Request; |
| import org.apache.bookkeeper.proto.BookkeeperProtocol.Response; |
| import org.apache.bookkeeper.proto.BookkeeperProtocol.StatusCode; |
| import org.apache.bookkeeper.util.MathUtils; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * A processor class for v3 bookie metadata packets. |
| */ |
| public class GetBookieInfoProcessorV3 extends PacketProcessorBaseV3 implements Runnable { |
| private static final Logger LOG = LoggerFactory.getLogger(GetBookieInfoProcessorV3.class); |
| |
| public GetBookieInfoProcessorV3(Request request, Channel channel, |
| BookieRequestProcessor requestProcessor) { |
| super(request, channel, requestProcessor); |
| } |
| |
| private GetBookieInfoResponse getGetBookieInfoResponse() { |
| long startTimeNanos = MathUtils.nowInNano(); |
| GetBookieInfoRequest getBookieInfoRequest = request.getGetBookieInfoRequest(); |
| long requested = getBookieInfoRequest.getRequested(); |
| |
| GetBookieInfoResponse.Builder getBookieInfoResponse = GetBookieInfoResponse.newBuilder(); |
| |
| if (!isVersionCompatible()) { |
| getBookieInfoResponse.setStatus(StatusCode.EBADVERSION); |
| requestProcessor.getRequestStats().getGetBookieInfoStats() |
| .registerFailedEvent(MathUtils.elapsedNanos(startTimeNanos), TimeUnit.NANOSECONDS); |
| return getBookieInfoResponse.build(); |
| } |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("Received new getBookieInfo request: {}", request); |
| } |
| StatusCode status = StatusCode.EOK; |
| long freeDiskSpace = 0L, totalDiskSpace = 0L; |
| try { |
| if ((requested & GetBookieInfoRequest.Flags.FREE_DISK_SPACE_VALUE) != 0) { |
| freeDiskSpace = requestProcessor.getBookie().getTotalFreeSpace(); |
| getBookieInfoResponse.setFreeDiskSpace(freeDiskSpace); |
| } |
| if ((requested & GetBookieInfoRequest.Flags.TOTAL_DISK_CAPACITY_VALUE) != 0) { |
| totalDiskSpace = requestProcessor.getBookie().getTotalDiskSpace(); |
| getBookieInfoResponse.setTotalDiskCapacity(totalDiskSpace); |
| } |
| LOG.debug("FreeDiskSpace info is " + freeDiskSpace + " totalDiskSpace is: " + totalDiskSpace); |
| } catch (IOException e) { |
| status = StatusCode.EIO; |
| LOG.error("IOException while getting freespace/totalspace", e); |
| } |
| |
| getBookieInfoResponse.setStatus(status); |
| requestProcessor.getRequestStats().getGetBookieInfoStats() |
| .registerSuccessfulEvent(MathUtils.elapsedNanos(startTimeNanos), TimeUnit.NANOSECONDS); |
| return getBookieInfoResponse.build(); |
| } |
| |
| @Override |
| public void safeRun() { |
| GetBookieInfoResponse getBookieInfoResponse = getGetBookieInfoResponse(); |
| sendResponse(getBookieInfoResponse); |
| } |
| |
| private void sendResponse(GetBookieInfoResponse getBookieInfoResponse) { |
| Response.Builder response = Response.newBuilder() |
| .setHeader(getHeader()) |
| .setStatus(getBookieInfoResponse.getStatus()) |
| .setGetBookieInfoResponse(getBookieInfoResponse); |
| sendResponse(response.getStatus(), |
| response.build(), |
| requestProcessor.getRequestStats().getGetBookieInfoRequestStats()); |
| } |
| } |