Github user eribeiro commented on a diff in the pull request:
https://github.com/apache/zookeeper/pull/500#discussion_r181564082
--- Diff: src/java/test/org/apache/zookeeper/server/quorum/ZabUtils.java ---
@@ -0,0 +1,140 @@
+/**
+ * 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.PortAssignment;
+import org.apache.zookeeper.server.ServerCnxn;
+import org.apache.zookeeper.server.ServerCnxnFactory;
+import org.apache.zookeeper.server.ZKDatabase;
+import org.apache.zookeeper.server.ZooKeeperServer;
+import org.apache.zookeeper.server.persistence.FileTxnSnapLog;
+import org.apache.zookeeper.server.quorum.flexible.QuorumMaj;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.lang.reflect.Field;
+import java.net.InetSocketAddress;
+import java.util.HashMap;
+
+public class ZabUtils {
+ public static final int SYNC_LIMIT = 2;
+
+ public static QuorumPeer createQuorumPeer(File tmpDir) throws IOException{
+ QuorumPeer peer = new QuorumPeer();
+ peer.syncLimit = 2;
+ peer.initLimit = 2;
+ peer.tickTime = 2000;
+ peer.quorumPeers = new HashMap<Long, QuorumPeer.QuorumServer>();
+ peer.quorumPeers.put(0L, new QuorumPeer.QuorumServer(0, "127.0.0.1", PortAssignment.unique(),
0, null));
+ peer.quorumPeers.put(1L, new QuorumPeer.QuorumServer(1, "127.0.0.1", PortAssignment.unique(),
0, null));
+ peer.quorumPeers.put(2L, new QuorumPeer.QuorumServer(2, "127.0.0.1", PortAssignment.unique(),
0, null));
+ peer.setQuorumVerifier(new QuorumMaj(peer.quorumPeers.size()));
+ peer.setCnxnFactory(new NullServerCnxnFactory());
+ File version2 = new File(tmpDir, "version-2");
+ version2.mkdir();
+ FileOutputStream fos;
+ fos = new FileOutputStream(new File(version2, "currentEpoch"));
+ fos.write("0\n".getBytes());
+ fos.close();
+ fos = new FileOutputStream(new File(version2, "acceptedEpoch"));
+ fos.write("0\n".getBytes());
+ fos.close();
+ return peer;
+ }
+
+ public static Leader createLeader(File tmpDir, QuorumPeer peer)
+ throws IOException, NoSuchFieldException, IllegalAccessException{
+ LeaderZooKeeperServer zk = prepareLeader(tmpDir, peer);
+ return new Leader(peer, zk);
+ }
+
+ public static MockLeader createMockLeader(File tmpDir, QuorumPeer peer)
+ throws IOException, NoSuchFieldException, IllegalAccessException{
+ LeaderZooKeeperServer zk = prepareLeader(tmpDir, peer);
+ return new MockLeader(peer, zk);
+ }
+
+ private static LeaderZooKeeperServer prepareLeader(File tmpDir, QuorumPeer peer)
+ throws IOException, NoSuchFieldException, IllegalAccessException {
+ FileTxnSnapLog logFactory = new FileTxnSnapLog(tmpDir, tmpDir);
+ peer.setTxnFactory(logFactory);
+ Field addrField = peer.getClass().getDeclaredField("myQuorumAddr");
+ addrField.setAccessible(true);
+ addrField.set(peer, new InetSocketAddress(PortAssignment.unique()));
+ ZKDatabase zkDb = new ZKDatabase(logFactory);
+ return new LeaderZooKeeperServer(logFactory, peer, new ZooKeeperServer.BasicDataTreeBuilder(),
zkDb);
+ }
+
+ private static final class NullServerCnxnFactory extends ServerCnxnFactory {
+ public void startup(ZooKeeperServer zkServer) throws IOException,
+ InterruptedException {
+ }
+ public void start() {
+ }
+ public void shutdown() {
+ }
+ public void setMaxClientCnxnsPerHost(int max) {
+ }
+ public void join() throws InterruptedException {
+ }
+ public int getMaxClientCnxnsPerHost() {
+ return 0;
+ }
+ public int getLocalPort() {
+ return 0;
+ }
+ public InetSocketAddress getLocalAddress() {
+ return null;
+ }
+ public Iterable<ServerCnxn> getConnections() {
+ return null;
+ }
+ public void configure(InetSocketAddress addr, int maxClientCnxns)
+ throws IOException {
+ }
+ public void closeSession(long sessionId) {
+ }
+ public void closeAll() {
+ }
+ @Override
+ public int getNumAliveConnections() {
+ return 0;
+ }
+ }
+
+ static final class MockLeader extends Leader {
--- End diff --
`private` ?
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