| /* |
| * 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.zookeeper.server.quorum; |
| |
| import java.io.Flushable; |
| import java.io.IOException; |
| import org.apache.zookeeper.ZooDefs.OpCode; |
| import org.apache.zookeeper.server.Request; |
| import org.apache.zookeeper.server.RequestProcessor; |
| import org.apache.zookeeper.server.ServerMetrics; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class SendAckRequestProcessor implements RequestProcessor, Flushable { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(SendAckRequestProcessor.class); |
| |
| Learner learner; |
| |
| SendAckRequestProcessor(Learner peer) { |
| this.learner = peer; |
| } |
| |
| public void processRequest(Request si) { |
| if (si.type != OpCode.sync) { |
| QuorumPacket qp = new QuorumPacket(Leader.ACK, si.getHdr().getZxid(), null, null); |
| try { |
| si.logLatency(ServerMetrics.getMetrics().PROPOSAL_ACK_CREATION_LATENCY); |
| |
| learner.writePacket(qp, false); |
| } catch (IOException e) { |
| LOG.warn("Closing connection to leader, exception during packet send", e); |
| learner.closeSockSync(); |
| } |
| } |
| } |
| |
| public void flush() throws IOException { |
| try { |
| learner.writePacket(null, true); |
| } catch (IOException e) { |
| LOG.warn("Closing connection to leader, exception during packet send", e); |
| learner.closeSockSync(); |
| } |
| } |
| |
| public void shutdown() { |
| // Nothing needed |
| } |
| |
| } |