| /** |
| * 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.curator.framework.state; |
| |
| import org.apache.curator.framework.CuratorFramework; |
| import org.apache.curator.framework.CuratorFrameworkFactory; |
| import org.apache.curator.retry.RetryOneTime; |
| import org.apache.curator.test.BaseClassForTests; |
| import org.apache.curator.test.compatibility.CuratorTestBase; |
| import org.apache.curator.test.compatibility.Timing2; |
| import org.apache.curator.utils.CloseableUtils; |
| import org.testng.Assert; |
| import org.testng.annotations.Test; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| |
| @Test(groups = CuratorTestBase.zk35TestCompatibilityGroup) |
| public class TestConnectionStateManager extends BaseClassForTests { |
| |
| @Test |
| public void testSessionConnectionStateErrorPolicyWithExpirationPercent30() throws Exception { |
| Timing2 timing = new Timing2(); |
| CuratorFramework client = CuratorFrameworkFactory.builder() |
| .connectString(server.getConnectString()) |
| .connectionTimeoutMs(1000) |
| .sessionTimeoutMs(timing.session()) |
| .retryPolicy(new RetryOneTime(1)) |
| .connectionStateErrorPolicy(new SessionConnectionStateErrorPolicy()) |
| .simulatedSessionExpirationPercent(30) |
| .build(); |
| |
| // we should get LOST around 30% of a session plus a little "slop" for processing, etc. |
| final int lostStateExpectedMs = (timing.session() / 3) + timing.forSleepingABit().milliseconds(); |
| try |
| { |
| CountDownLatch connectedLatch = new CountDownLatch(1); |
| CountDownLatch lostLatch = new CountDownLatch(1); |
| ConnectionStateListener stateListener = new ConnectionStateListener() |
| { |
| @Override |
| public void stateChanged(CuratorFramework client, ConnectionState newState) |
| { |
| if ( newState == ConnectionState.CONNECTED ) |
| { |
| connectedLatch.countDown(); |
| } |
| if ( newState == ConnectionState.LOST ) |
| { |
| lostLatch.countDown(); |
| } |
| } |
| }; |
| |
| timing.sleepABit(); |
| |
| client.getConnectionStateListenable().addListener(stateListener); |
| client.start(); |
| Assert.assertTrue(timing.awaitLatch(connectedLatch)); |
| server.close(); |
| |
| Assert.assertTrue(lostLatch.await(lostStateExpectedMs, TimeUnit.MILLISECONDS)); |
| } |
| finally { |
| CloseableUtils.closeQuietly(client); |
| } |
| } |
| } |