| /** |
| * |
| * 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 static com.google.common.base.Preconditions.checkArgument; |
| |
| import io.netty.channel.Channel; |
| import java.util.concurrent.TimeUnit; |
| import org.apache.bookkeeper.bookie.BookieImpl; |
| import org.apache.bookkeeper.net.BookieId; |
| import org.apache.bookkeeper.proto.BookkeeperProtocol.ForceLedgerRequest; |
| import org.apache.bookkeeper.proto.BookkeeperProtocol.ForceLedgerResponse; |
| 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; |
| |
| |
| class ForceLedgerProcessorV3 extends PacketProcessorBaseV3 implements Runnable { |
| private static final Logger logger = LoggerFactory.getLogger(ForceLedgerProcessorV3.class); |
| |
| public ForceLedgerProcessorV3(Request request, Channel channel, |
| BookieRequestProcessor requestProcessor) { |
| super(request, channel, requestProcessor); |
| } |
| |
| // Returns null if there is no exception thrown |
| private ForceLedgerResponse getForceLedgerResponse() { |
| final long startTimeNanos = MathUtils.nowInNano(); |
| ForceLedgerRequest forceLedgerRequest = request.getForceLedgerRequest(); |
| long ledgerId = forceLedgerRequest.getLedgerId(); |
| |
| final ForceLedgerResponse.Builder forceLedgerResponse = ForceLedgerResponse.newBuilder().setLedgerId(ledgerId); |
| |
| if (!isVersionCompatible()) { |
| forceLedgerResponse.setStatus(StatusCode.EBADVERSION); |
| return forceLedgerResponse.build(); |
| } |
| |
| BookkeeperInternalCallbacks.WriteCallback wcb = |
| (int rc, long ledgerId1, long entryId, BookieId addr, Object ctx) -> { |
| |
| checkArgument(entryId == BookieImpl.METAENTRY_ID_FORCE_LEDGER, |
| "entryId must be METAENTRY_ID_FORCE_LEDGER but was {}", entryId); |
| |
| checkArgument(ledgerId1 == ledgerId, |
| "ledgerId must be {} but was {}", ledgerId, ledgerId1); |
| |
| if (BookieProtocol.EOK == rc) { |
| requestProcessor.getRequestStats().getForceLedgerStats() |
| .registerSuccessfulEvent(MathUtils.elapsedNanos(startTimeNanos), |
| TimeUnit.NANOSECONDS); |
| } else { |
| requestProcessor.getRequestStats().getForceLedgerStats() |
| .registerFailedEvent(MathUtils.elapsedNanos(startTimeNanos), |
| TimeUnit.NANOSECONDS); |
| } |
| |
| StatusCode status; |
| switch (rc) { |
| case BookieProtocol.EOK: |
| status = StatusCode.EOK; |
| break; |
| case BookieProtocol.EIO: |
| status = StatusCode.EIO; |
| break; |
| default: |
| status = StatusCode.EUA; |
| break; |
| } |
| forceLedgerResponse.setStatus(status); |
| Response.Builder response = Response.newBuilder() |
| .setHeader(getHeader()) |
| .setStatus(forceLedgerResponse.getStatus()) |
| .setForceLedgerResponse(forceLedgerResponse); |
| Response resp = response.build(); |
| sendResponse(status, resp, requestProcessor.getRequestStats().getForceLedgerRequestStats()); |
| }; |
| StatusCode status = null; |
| try { |
| requestProcessor.getBookie().forceLedger(ledgerId, wcb, channel); |
| status = StatusCode.EOK; |
| } catch (Throwable t) { |
| logger.error("Unexpected exception while forcing ledger {} : ", ledgerId, t); |
| // some bad request which cause unexpected exception |
| status = StatusCode.EBADREQ; |
| } |
| |
| // If everything is okay, we return null so that the calling function |
| // doesn't return a response back to the caller. |
| if (!status.equals(StatusCode.EOK)) { |
| forceLedgerResponse.setStatus(status); |
| return forceLedgerResponse.build(); |
| } |
| return null; |
| } |
| |
| @Override |
| public void safeRun() { |
| ForceLedgerResponse forceLedgerResponse = getForceLedgerResponse(); |
| if (null != forceLedgerResponse) { |
| Response.Builder response = Response.newBuilder() |
| .setHeader(getHeader()) |
| .setStatus(forceLedgerResponse.getStatus()) |
| .setForceLedgerResponse(forceLedgerResponse); |
| Response resp = response.build(); |
| sendResponse( |
| forceLedgerResponse.getStatus(), |
| resp, |
| requestProcessor.getRequestStats().getForceLedgerRequestStats()); |
| } |
| } |
| |
| /** |
| * this toString method filters out body and masterKey from the output. |
| * masterKey contains the password of the ledger and body is customer data, |
| * so it is not appropriate to have these in logs or system output. |
| */ |
| @Override |
| public String toString() { |
| return RequestUtils.toSafeString(request); |
| } |
| } |
| |
| |