diff options
Diffstat (limited to 'zookeeper-server/zookeeper-server-3.8.1/src/main/java/org/apache/zookeeper/server/quorum/SendAckRequestProcessor.java')
-rw-r--r-- | zookeeper-server/zookeeper-server-3.8.1/src/main/java/org/apache/zookeeper/server/quorum/SendAckRequestProcessor.java | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/zookeeper-server/zookeeper-server-3.8.1/src/main/java/org/apache/zookeeper/server/quorum/SendAckRequestProcessor.java b/zookeeper-server/zookeeper-server-3.8.1/src/main/java/org/apache/zookeeper/server/quorum/SendAckRequestProcessor.java new file mode 100644 index 00000000000..3b7a9dfc331 --- /dev/null +++ b/zookeeper-server/zookeeper-server-3.8.1/src/main/java/org/apache/zookeeper/server/quorum/SendAckRequestProcessor.java @@ -0,0 +1,84 @@ +/* + * 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 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; + +import java.io.Flushable; +import java.io.IOException; +import java.net.Socket; + +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); + try { + if (!learner.sock.isClosed()) { + learner.sock.close(); + } + } catch (IOException e1) { + // Nothing to do, we are shutting things down, so an exception here is irrelevant + LOG.debug("Ignoring error closing the connection", e1); + } + } + } + } + + public void flush() throws IOException { + try { + learner.writePacket(null, true); + } catch (IOException e) { + LOG.warn("Closing connection to leader, exception during packet send", e); + try { + Socket socket = learner.sock; + if (socket != null && !socket.isClosed()) { + learner.sock.close(); + } + } catch (IOException e1) { + // Nothing to do, we are shutting things down, so an exception here is irrelevant + LOG.debug("Ignoring error closing the connection", e1); + } + } + } + + public void shutdown() { + // Nothing needed + } + +} |