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Apache ZooKeeper Server Source Code
Apache ZooKeeper is an open-source server which enables highly reliable distributed coordination.
Apache ZooKeeper Server Source Code files are provided in the source package file, apache-zookeeper-3.8.0.tar.gz.
You can download apache-zookeeper-3.8.0.tar.gz as described in the previous tutorial and go to the "zookeeper-server" sub-folder to view Apache ZooKeeper Server Source Code files.
You can also browse Apache ZooKeeper Server Source Code below:
✍: FYIcenter.com
⏎ org/apache/zookeeper/server/controller/ControllableConnection.java
/** * 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 * <p> * http://www.apache.org/licenses/LICENSE-2.0 * <p> * 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.controller; import edu.umd.cs.findbugs.annotations.SuppressFBWarnings; import java.io.IOException; import java.nio.ByteBuffer; import java.nio.channels.SelectionKey; import java.nio.channels.SocketChannel; import org.apache.jute.BinaryInputArchive; import org.apache.jute.Record; import org.apache.zookeeper.KeeperException; import org.apache.zookeeper.proto.ReplyHeader; import org.apache.zookeeper.proto.RequestHeader; import org.apache.zookeeper.server.ByteBufferInputStream; import org.apache.zookeeper.server.NIOServerCnxn; import org.apache.zookeeper.server.NIOServerCnxnFactory; import org.apache.zookeeper.server.ZooKeeperServer; import org.slf4j.Logger; import org.slf4j.LoggerFactory; /** * Extension of NIOServerCnxn which can inject changes per controller commands. * Similar extensions can implement on top of NettyServerCnxn as well. */ @SuppressFBWarnings(value = "BC_UNCONFIRMED_CAST", justification = "factory is ControllableConnectionFactory type.") public class ControllableConnection extends NIOServerCnxn { private static final Logger LOG = LoggerFactory.getLogger(ControllableConnection.class); private final ControllableConnectionFactory controller; public ControllableConnection(ZooKeeperServer zk, SocketChannel sock, SelectionKey sk, NIOServerCnxnFactory factory, NIOServerCnxnFactory.SelectorThread selectorThread) throws IOException { super(zk, sock, sk, factory, selectorThread); controller = (ControllableConnectionFactory) factory; } @Override public int sendResponse(ReplyHeader header, Record record, String tag) { if (controller.shouldSendResponse()) { try { return super.sendResponse(header, record, tag); } catch (IOException ex) { LOG.warn("IO Exception occurred", ex); } } else { LOG.warn("Controller is configured to NOT sending response back to client."); } return -1; } @Override protected void readRequest() throws IOException { if (controller.shouldFailNextRequest()) { ByteBuffer buffer = incomingBuffer.slice(); BinaryInputArchive bia = BinaryInputArchive.getArchive(new ByteBufferInputStream(buffer)); RequestHeader h = new RequestHeader(); h.deserialize(bia, "header"); super.sendResponse(new ReplyHeader(h.getXid(), 0, KeeperException.Code.APIERROR.intValue()), null, null); } else { controller.delayRequestIfNeeded(); super.readRequest(); } } }
⏎ org/apache/zookeeper/server/controller/ControllableConnection.java
Or download all of them as a single archive file:
File name: zookeeper-server-3.8.0-fyi.zip File size: 885581 bytes Release date: 2022-02-25 Download
⇒ Apache ZooKeeper Jute Source Code
⇐ Download and Install Apache ZooKeeper Source Package
2022-11-16, 13859👍, 0💬
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