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994 lines
32 KiB
C#
994 lines
32 KiB
C#
/*-
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* See the file LICENSE for redistribution information.
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*
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* Copyright (c) 2009, 2011 Oracle and/or its affiliates. All rights reserved.
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*
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*/
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.IO;
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using System.Net;
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using System.Net.NetworkInformation;
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using System.Text;
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using System.Threading;
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using System.Xml;
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using NUnit.Framework;
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using BerkeleyDB;
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namespace CsharpAPITest
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{
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[TestFixture]
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public class ReplicationTest : CSharpTestFixture
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{
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private EventWaitHandle clientStartSignal;
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private EventWaitHandle masterCloseSignal;
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private EventWaitHandle client1StartSignal;
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private EventWaitHandle client1ReadySignal;
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private EventWaitHandle client2StartSignal;
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private EventWaitHandle client2ReadySignal;
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private EventWaitHandle client3StartSignal;
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private EventWaitHandle client3ReadySignal;
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private EventWaitHandle masterLeaveSignal;
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List<uint> ports = new List<uint>();
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[TestFixtureSetUp]
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public void SetUp()
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{
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testFixtureName = "ReplicationTest";
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base.SetUpTestfixture();
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}
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[Test]
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public void TestRepMgrSite()
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{
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testName = "TestRepMgrSite";
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SetUpTest(true);
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string masterHome = testHome + "\\Master";
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Configuration.ClearDir(masterHome);
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string clientHome = testHome + "\\Client";
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Configuration.ClearDir(clientHome);
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ports.Clear();
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AvailablePorts portGen = new AvailablePorts();
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uint mPort = portGen.Current;
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portGen.MoveNext();
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uint cPort = portGen.Current;
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// Open environment with replication configuration.
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DatabaseEnvironmentConfig cfg =
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new DatabaseEnvironmentConfig();
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cfg.Create = true;
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cfg.RunRecovery = true;
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cfg.UseLocking = true;
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cfg.UseLogging = true;
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cfg.UseMPool = true;
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cfg.UseReplication = true;
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cfg.FreeThreaded = true;
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cfg.UseTxns = true;
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cfg.EventNotify = new EventNotifyDelegate(stuffHappened);
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cfg.RepSystemCfg = new ReplicationConfig();
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cfg.RepSystemCfg.RepmgrSitesConfig.Add(new DbSiteConfig());
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cfg.RepSystemCfg.RepmgrSitesConfig[0].Host = "127.0.0.1";
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cfg.RepSystemCfg.RepmgrSitesConfig[0].Port = mPort;
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cfg.RepSystemCfg.RepmgrSitesConfig[0].LocalSite = true;
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cfg.RepSystemCfg.RepmgrSitesConfig[0].GroupCreator = true;
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cfg.RepSystemCfg.Priority = 100;
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DatabaseEnvironment mEnv = DatabaseEnvironment.Open(
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masterHome, cfg);
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mEnv.DeadlockResolution = DeadlockPolicy.DEFAULT;
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mEnv.RepMgrStartMaster(2);
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cfg.RepSystemCfg.RepmgrSitesConfig[0].Port = cPort;
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cfg.RepSystemCfg.RepmgrSitesConfig[0].GroupCreator = false;
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cfg.RepSystemCfg.Priority = 10;
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cfg.RepSystemCfg.RepmgrSitesConfig.Add(new DbSiteConfig());
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cfg.RepSystemCfg.RepmgrSitesConfig[1].Host = "127.0.0.1";
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cfg.RepSystemCfg.RepmgrSitesConfig[1].Port = mPort;
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cfg.RepSystemCfg.RepmgrSitesConfig[1].Helper = true;
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DatabaseEnvironment cEnv = DatabaseEnvironment.Open(
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clientHome, cfg);
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cEnv.RepMgrStartClient(2, false);
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/* Wait for client to start up */
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Thread.Sleep(2000);
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/*
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* Verify the client info could be achived by master's
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* remote site.
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*/
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Assert.AreEqual(1, mEnv.RepMgrRemoteSites.Length);
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RepMgrSite rsite = mEnv.RepMgrRemoteSites[0];
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Assert.AreEqual("127.0.0.1", rsite.Address.Host);
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Assert.AreEqual(cPort, rsite.Address.Port);
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Assert.AreEqual(1, rsite.EId);
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Assert.AreEqual(true, rsite.isConnected);
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Assert.AreEqual(false, rsite.isPeer);
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DbSite site = mEnv.RepMgrSite("127.0.0.1", mPort);
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Assert.AreEqual("127.0.0.1", site.Address.Host);
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Assert.AreEqual(mPort, site.Address.Port);
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Assert.AreEqual(0, site.EId);
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Assert.AreEqual(true, site.GroupCreator);
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Assert.AreEqual(true, site.LocalSite);
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Assert.AreEqual(false, site.Helper);
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Assert.AreEqual(false, site.Legacy);
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Assert.AreEqual(false, site.Peer);
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site.Close();
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site = mEnv.RepMgrSite("127.0.0.1", cPort);
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Assert.AreEqual("127.0.0.1", site.Address.Host);
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Assert.AreEqual(cPort, site.Address.Port);
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Assert.AreEqual(1, site.EId);
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Assert.AreEqual(false, site.GroupCreator);
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Assert.AreEqual(false, site.LocalSite);
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Assert.AreEqual(false, site.Helper);
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Assert.AreEqual(false, site.Legacy);
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Assert.AreEqual(false, site.Peer);
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site.Remove();
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cEnv.Close();
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mEnv.Close();
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/*
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* Update the repmgr site, and verify it is updated in
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* unmanged memory.
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*/
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rsite.Address = new ReplicationHostAddress(
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"192.168.1.1", 1000);
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rsite.EId = 1024;
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rsite.isConnected = false;
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rsite.isPeer = true;
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Assert.AreEqual("192.168.1.1", rsite.Address.Host);
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Assert.AreEqual(1000, rsite.Address.Port);
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Assert.AreEqual(1024, rsite.EId);
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Assert.AreEqual(false, rsite.isConnected);
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Assert.AreEqual(true, rsite.isPeer);
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}
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[Test]
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public void TestRepMgr()
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{
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testName = "TestRepMgr";
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SetUpTest(true);
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// Initialize ports for master and client.
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ports.Clear();
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AvailablePorts portGen = new AvailablePorts();
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ports.Insert(0, portGen.Current);
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portGen.MoveNext();
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ports.Insert(1, portGen.Current);
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clientStartSignal = new AutoResetEvent(false);
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masterCloseSignal = new AutoResetEvent(false);
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Thread thread1 = new Thread(new ThreadStart(Master));
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Thread thread2 = new Thread(new ThreadStart(Client));
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// Start master thread before client thread.
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thread1.Start();
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Thread.Sleep(1000);
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thread2.Start();
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thread2.Join();
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thread1.Join();
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clientStartSignal.Close();
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masterCloseSignal.Close();
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}
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public void Master()
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{
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string home = testHome + "/Master";
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string dbName = "rep.db";
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Configuration.ClearDir(home);
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/*
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* Configure and open environment with replication
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* application.
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*/
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DatabaseEnvironmentConfig cfg =
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new DatabaseEnvironmentConfig();
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cfg.UseReplication = true;
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cfg.MPoolSystemCfg = new MPoolConfig();
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cfg.MPoolSystemCfg.CacheSize =
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new CacheInfo(0, 20485760, 1);
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cfg.UseLocking = true;
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cfg.UseTxns = true;
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cfg.UseMPool = true;
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cfg.Create = true;
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cfg.UseLogging = true;
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cfg.RunRecovery = true;
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cfg.TxnNoSync = true;
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cfg.FreeThreaded = true;
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cfg.RepSystemCfg = new ReplicationConfig();
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cfg.RepSystemCfg.RepmgrSitesConfig.Add(new DbSiteConfig());
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cfg.RepSystemCfg.RepmgrSitesConfig[0].Host = "127.0.0.1";
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cfg.RepSystemCfg.RepmgrSitesConfig[0].Port = ports[0];
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cfg.RepSystemCfg.RepmgrSitesConfig[0].LocalSite = true;
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cfg.RepSystemCfg.Priority = 100;
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cfg.RepSystemCfg.BulkTransfer = true;
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cfg.RepSystemCfg.AckTimeout = 2000;
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cfg.RepSystemCfg.BulkTransfer = true;
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cfg.RepSystemCfg.CheckpointDelay = 1500;
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cfg.RepSystemCfg.Clockskew(102, 100);
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cfg.RepSystemCfg.ConnectionRetry = 10;
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cfg.RepSystemCfg.DelayClientSync = false;
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cfg.RepSystemCfg.ElectionRetry = 5;
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cfg.RepSystemCfg.ElectionTimeout = 3000;
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cfg.RepSystemCfg.FullElectionTimeout = 5000;
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cfg.RepSystemCfg.HeartbeatMonitor = 100;
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cfg.RepSystemCfg.HeartbeatSend = 10;
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cfg.RepSystemCfg.LeaseTimeout = 1300;
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cfg.RepSystemCfg.AutoInit = true;
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cfg.RepSystemCfg.NoBlocking = false;
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cfg.RepSystemCfg.RepMgrAckPolicy =
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AckPolicy.ALL_PEERS;
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cfg.RepSystemCfg.RetransmissionRequest(10, 100);
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cfg.RepSystemCfg.Strict2Site = true;
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cfg.RepSystemCfg.UseMasterLeases = false;
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cfg.EventNotify = new EventNotifyDelegate(stuffHappened);
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DatabaseEnvironment env = DatabaseEnvironment.Open(
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home, cfg);
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// Get initial replication stats.
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ReplicationStats repStats = env.ReplicationSystemStats();
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env.PrintReplicationSystemStats();
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Assert.AreEqual(100, repStats.EnvPriority);
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Assert.AreEqual(1,
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repStats.CurrentElectionGenerationNumber);
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Assert.AreEqual(0, repStats.CurrentGenerationNumber);
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Assert.AreEqual(0, repStats.AppliedTransactions);
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Assert.AreEqual(0, repStats.ElectionDataGeneration);
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// Start a master site with replication manager.
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env.RepMgrStartMaster(3);
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// Open a btree database and write some data.
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Transaction txn = env.BeginTransaction();
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BTreeDatabaseConfig dbConfig =
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new BTreeDatabaseConfig();
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dbConfig.Creation = CreatePolicy.IF_NEEDED;
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dbConfig.Env = env;
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dbConfig.PageSize = 512;
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BTreeDatabase db = BTreeDatabase.Open(dbName,
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dbConfig, txn);
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txn.Commit();
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txn = env.BeginTransaction();
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for (int i = 0; i < 5; i++)
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db.Put(new DatabaseEntry(BitConverter.GetBytes(i)),
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new DatabaseEntry(BitConverter.GetBytes(i)), txn);
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txn.Commit();
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Console.WriteLine(
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"Master: Finished initialization and data#1.");
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// Client site could enter now.
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clientStartSignal.Set();
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Console.WriteLine(
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"Master: Wait for Client to join and get #1.");
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Console.WriteLine("...");
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// Put some new data into master site.
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txn = env.BeginTransaction();
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for (int i = 10; i < 15; i++)
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db.Put(new DatabaseEntry(BitConverter.GetBytes(i)),
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new DatabaseEntry(BitConverter.GetBytes(i)),
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txn);
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txn.Commit();
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Console.WriteLine(
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"Master: Write something new, data #2.");
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Console.WriteLine("Master: Wait for client to read #2...");
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// Get the stats.
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repStats = env.ReplicationSystemStats(true);
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env.PrintReplicationSystemStats();
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Assert.LessOrEqual(0, repStats.AppliedTransactions);
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Assert.LessOrEqual(0, repStats.AwaitedLSN.LogFileNumber);
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Assert.LessOrEqual(0, repStats.AwaitedLSN.Offset);
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Assert.LessOrEqual(0, repStats.AwaitedPage);
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Assert.LessOrEqual(0, repStats.BadGenerationMessages);
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Assert.LessOrEqual(0, repStats.BulkBufferFills);
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Assert.LessOrEqual(0, repStats.BulkBufferOverflows);
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Assert.LessOrEqual(0, repStats.BulkBufferTransfers);
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Assert.LessOrEqual(0, repStats.BulkRecordsStored);
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Assert.LessOrEqual(0, repStats.ClientServiceRequests);
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Assert.LessOrEqual(0, repStats.ClientServiceRequestsMissing);
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Assert.IsInstanceOf(typeof(bool), repStats.ClientStartupComplete);
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Assert.AreEqual(2, repStats.CurrentElectionGenerationNumber);
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Assert.AreEqual(1, repStats.CurrentGenerationNumber);
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Assert.LessOrEqual(0, repStats.CurrentQueuedLogRecords);
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Assert.LessOrEqual(0, repStats.CurrentWinner);
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Assert.LessOrEqual(0, repStats.CurrentWinnerMaxLSN.LogFileNumber);
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Assert.LessOrEqual(0, repStats.CurrentWinnerMaxLSN.Offset);
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Assert.LessOrEqual(0, repStats.DuplicateLogRecords);
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Assert.LessOrEqual(0, repStats.DuplicatePages);
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Assert.LessOrEqual(0, repStats.DupMasters);
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Assert.LessOrEqual(0, repStats.ElectionGenerationNumber);
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Assert.LessOrEqual(0, repStats.ElectionPriority);
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Assert.LessOrEqual(0, repStats.Elections);
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Assert.LessOrEqual(0, repStats.ElectionStatus);
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Assert.LessOrEqual(0, repStats.ElectionsWon);
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Assert.LessOrEqual(0, repStats.ElectionTiebreaker);
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Assert.LessOrEqual(0, repStats.ElectionTimeSec);
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Assert.LessOrEqual(0, repStats.ElectionTimeUSec);
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Assert.AreEqual(repStats.EnvID, repStats.MasterEnvID);
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Assert.LessOrEqual(0, repStats.EnvPriority);
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Assert.LessOrEqual(0, repStats.FailedMessageSends);
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Assert.LessOrEqual(0, repStats.ForcedRerequests);
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Assert.LessOrEqual(0, repStats.IgnoredMessages);
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Assert.LessOrEqual(0, repStats.MasterChanges);
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Assert.LessOrEqual(0, repStats.MasterEnvID);
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Assert.LessOrEqual(0, repStats.MaxLeaseSec);
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Assert.LessOrEqual(0, repStats.MaxLeaseUSec);
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Assert.LessOrEqual(0, repStats.MaxPermanentLSN.Offset);
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Assert.LessOrEqual(0, repStats.MaxQueuedLogRecords);
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Assert.LessOrEqual(0, repStats.MessagesSent);
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Assert.LessOrEqual(0, repStats.MissedLogRecords);
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Assert.LessOrEqual(0, repStats.MissedPages);
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Assert.LessOrEqual(0, repStats.NewSiteMessages);
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Assert.LessOrEqual(repStats.MaxPermanentLSN.LogFileNumber,
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repStats.NextLSN.LogFileNumber);
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if (repStats.MaxPermanentLSN.LogFileNumber ==
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repStats.NextLSN.LogFileNumber)
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Assert.Less(repStats.MaxPermanentLSN.Offset,
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repStats.NextLSN.Offset);
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Assert.LessOrEqual(0, repStats.NextPage);
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Assert.LessOrEqual(0, repStats.Outdated);
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Assert.LessOrEqual(0, repStats.QueuedLogRecords);
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Assert.LessOrEqual(0, repStats.ReceivedLogRecords);
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Assert.LessOrEqual(0, repStats.ReceivedMessages);
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Assert.LessOrEqual(0, repStats.ReceivedPages);
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Assert.LessOrEqual(0, repStats.RegisteredSites);
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Assert.LessOrEqual(0, repStats.RegisteredSitesNeeded);
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Assert.LessOrEqual(0, repStats.Sites);
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Assert.LessOrEqual(0, repStats.StartSyncMessagesDelayed);
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Assert.AreEqual(2, repStats.Status);
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Assert.LessOrEqual(0, repStats.Throttled);
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Assert.LessOrEqual(0, repStats.Votes);
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// Get replication manager statistics.
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RepMgrStats repMgrStats = env.RepMgrSystemStats(true);
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Assert.LessOrEqual(0, repMgrStats.DroppedConnections);
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Assert.LessOrEqual(0, repMgrStats.DroppedMessages);
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Assert.LessOrEqual(0, repMgrStats.FailedConnections);
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Assert.LessOrEqual(0, repMgrStats.FailedMessages);
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Assert.LessOrEqual(0, repMgrStats.QueuedMessages);
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// Print them out.
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env.PrintRepMgrSystemStats();
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// Wait until client has finished reading.
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masterCloseSignal.WaitOne();
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Console.WriteLine("Master: Leave as well.");
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// Close all.
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db.Close(false);
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env.LogFlush();
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env.Close();
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}
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public void Client()
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{
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string home = testHome + "/Client";
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Configuration.ClearDir(home);
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clientStartSignal.WaitOne();
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Console.WriteLine("Client: Join the replication");
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// Open a environment.
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DatabaseEnvironmentConfig cfg =
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new DatabaseEnvironmentConfig();
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cfg.UseReplication = true;
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cfg.MPoolSystemCfg = new MPoolConfig();
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cfg.MPoolSystemCfg.CacheSize =
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new CacheInfo(0, 20485760, 1);
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cfg.UseLocking = true;
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cfg.UseTxns = true;
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cfg.UseMPool = true;
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cfg.Create = true;
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cfg.UseLogging = true;
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cfg.RunRecovery = true;
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cfg.TxnNoSync = true;
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cfg.FreeThreaded = true;
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cfg.LockTimeout = 50000;
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cfg.RepSystemCfg = new ReplicationConfig();
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cfg.RepSystemCfg.RepmgrSitesConfig.Add(new DbSiteConfig());
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cfg.RepSystemCfg.RepmgrSitesConfig[0].Host = "127.0.0.1";
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cfg.RepSystemCfg.RepmgrSitesConfig[0].Port = ports[1];
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cfg.RepSystemCfg.RepmgrSitesConfig[0].LocalSite = true;
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cfg.RepSystemCfg.Priority = 10;
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cfg.RepSystemCfg.RepmgrSitesConfig.Add(new DbSiteConfig());
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cfg.RepSystemCfg.RepmgrSitesConfig[1].Host = "127.0.0.1";
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cfg.RepSystemCfg.RepmgrSitesConfig[1].Port = ports[0];
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cfg.RepSystemCfg.RepmgrSitesConfig[1].Helper = true;
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cfg.EventNotify = new EventNotifyDelegate(stuffHappened);
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DatabaseEnvironment env = DatabaseEnvironment.Open(
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home, cfg);
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// Start a client site with replication manager.
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env.RepMgrStartClient(3, false);
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// Leave enough time to sync.
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Thread.Sleep(20000);
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// Open database.
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BTreeDatabaseConfig dbConfig =
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new BTreeDatabaseConfig();
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dbConfig.Creation = CreatePolicy.NEVER;
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dbConfig.AutoCommit = true;
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dbConfig.Env = env;
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dbConfig.PageSize = 512;
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BTreeDatabase db = BTreeDatabase.Open("rep.db",
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dbConfig);
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// Write data into database.
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Console.WriteLine("Client: Start reading data #1.");
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for (int i = 0; i < 5; i++)
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db.GetBoth(new DatabaseEntry(
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BitConverter.GetBytes(i)), new DatabaseEntry(
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BitConverter.GetBytes(i)));
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// Leave sometime for client to read new data from master.
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Thread.Sleep(20000);
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/*
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* Read the data. All data exists in master site should
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* appear in the client site.
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*/
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Console.WriteLine("Client: Start reading data #2.");
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for (int i = 10; i < 15; i++)
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db.GetBoth(new DatabaseEntry(
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BitConverter.GetBytes(i)), new DatabaseEntry(
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BitConverter.GetBytes(i)));
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// Get the latest replication subsystem statistics.
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ReplicationStats repStats = env.ReplicationSystemStats();
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Assert.IsTrue(repStats.ClientStartupComplete);
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Assert.LessOrEqual(0, repStats.DuplicateLogRecords);
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Assert.LessOrEqual(0, repStats.EnvID);
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Assert.LessOrEqual(0, repStats.NextPage);
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Assert.LessOrEqual(0, repStats.ReceivedPages);
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Assert.AreEqual(1, repStats.Status);
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// Close all.
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db.Close(false);
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env.LogFlush();
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env.Close();
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Console.WriteLine(
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"Client: All data is read. Leaving the replication");
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// The master is closed after client's close.
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masterCloseSignal.Set();
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}
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|
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private void stuffHappened(NotificationEvent eventCode, byte[] info)
|
|
{
|
|
switch (eventCode)
|
|
{
|
|
case NotificationEvent.REP_CLIENT:
|
|
Console.WriteLine("Event: CLIENT");
|
|
break;
|
|
case NotificationEvent.REP_CONNECT_BROKEN:
|
|
Console.WriteLine("Event: REP_CONNECT_BROKEN");
|
|
break;
|
|
case NotificationEvent.REP_CONNECT_ESTD:
|
|
Console.WriteLine("Event: REP_CONNECT_ESTD");
|
|
break;
|
|
case NotificationEvent.REP_CONNECT_TRY_FAILED:
|
|
Console.WriteLine("Event: REP_CONNECT_TRY_FAILED");
|
|
break;
|
|
case NotificationEvent.REP_MASTER:
|
|
Console.WriteLine("Event: MASTER");
|
|
break;
|
|
case NotificationEvent.REP_NEWMASTER:
|
|
Console.WriteLine("Event: NEWMASTER");
|
|
break;
|
|
case NotificationEvent.REP_LOCAL_SITE_REMOVED:
|
|
Console.WriteLine("Event: REP_LOCAL_SITE_REMOVED");
|
|
break;
|
|
case NotificationEvent.REP_SITE_ADDED:
|
|
Console.WriteLine("Event: REP_SITE_ADDED");
|
|
break;
|
|
case NotificationEvent.REP_SITE_REMOVED:
|
|
Console.WriteLine("Event: REP_SITE_REMOVED");
|
|
break;
|
|
case NotificationEvent.REP_STARTUPDONE:
|
|
Console.WriteLine("Event: REP_STARTUPDONE");
|
|
break;
|
|
case NotificationEvent.REP_PERM_FAILED:
|
|
Console.WriteLine("Event: Insufficient Acks.");
|
|
break;
|
|
default:
|
|
Console.WriteLine("Event: {0}", eventCode);
|
|
break;
|
|
}
|
|
}
|
|
|
|
[Test]
|
|
public void TestElection()
|
|
{
|
|
testName = "TestElection";
|
|
SetUpTest(true);
|
|
|
|
// Initialize ports for one master, and three clients.
|
|
ports.Clear();
|
|
AvailablePorts portGen = new AvailablePorts();
|
|
ports.Insert(0, portGen.Current);
|
|
portGen.MoveNext();
|
|
ports.Insert(1, portGen.Current);
|
|
portGen.MoveNext();
|
|
ports.Insert(2, portGen.Current);
|
|
portGen.MoveNext();
|
|
ports.Insert(3, portGen.Current);
|
|
|
|
client1StartSignal = new AutoResetEvent(false);
|
|
client2StartSignal = new AutoResetEvent(false);
|
|
client1ReadySignal = new AutoResetEvent(false);
|
|
client2ReadySignal = new AutoResetEvent(false);
|
|
client3StartSignal = new AutoResetEvent(false);
|
|
client3ReadySignal = new AutoResetEvent(false);
|
|
masterLeaveSignal = new AutoResetEvent(false);
|
|
|
|
Thread thread1 = new Thread(
|
|
new ThreadStart(UnstableMaster));
|
|
Thread thread2 = new Thread(
|
|
new ThreadStart(StableClient1));
|
|
Thread thread3 = new Thread(
|
|
new ThreadStart(StableClient2));
|
|
Thread thread4 = new Thread(
|
|
new ThreadStart(StableClient3));
|
|
|
|
thread1.Start();
|
|
Thread.Sleep(1000);
|
|
thread2.Start();
|
|
thread3.Start();
|
|
thread4.Start();
|
|
|
|
thread4.Join();
|
|
thread3.Join();
|
|
thread2.Join();
|
|
thread1.Join();
|
|
|
|
client1StartSignal.Close();
|
|
client2StartSignal.Close();
|
|
client1ReadySignal.Close();
|
|
client2ReadySignal.Close();
|
|
client3ReadySignal.Close();
|
|
client3StartSignal.Close();
|
|
masterLeaveSignal.Close();
|
|
}
|
|
|
|
public void UnstableMaster()
|
|
{
|
|
string home = testHome + "/UnstableMaster";
|
|
Configuration.ClearDir(home);
|
|
|
|
// Open environment with replication configuration.
|
|
DatabaseEnvironmentConfig cfg =
|
|
new DatabaseEnvironmentConfig();
|
|
cfg.UseReplication = true;
|
|
cfg.MPoolSystemCfg = new MPoolConfig();
|
|
cfg.MPoolSystemCfg.CacheSize =
|
|
new CacheInfo(0, 20485760, 1);
|
|
cfg.UseLocking = true;
|
|
cfg.UseTxns = true;
|
|
cfg.UseMPool = true;
|
|
cfg.Create = true;
|
|
cfg.UseLogging = true;
|
|
cfg.RunRecovery = true;
|
|
cfg.TxnNoSync = true;
|
|
cfg.FreeThreaded = true;
|
|
cfg.RepSystemCfg = new ReplicationConfig();
|
|
cfg.RepSystemCfg.RepmgrSitesConfig.Add(new DbSiteConfig());
|
|
cfg.RepSystemCfg.RepmgrSitesConfig[0].Host = "127.0.0.1";
|
|
cfg.RepSystemCfg.RepmgrSitesConfig[0].Port = ports[0];
|
|
cfg.RepSystemCfg.RepmgrSitesConfig[0].LocalSite = true;
|
|
cfg.RepSystemCfg.Priority = 200;
|
|
cfg.RepSystemCfg.ElectionRetry = 10;
|
|
cfg.RepSystemCfg.RepMgrAckPolicy = AckPolicy.ALL;
|
|
cfg.EventNotify = new EventNotifyDelegate(stuffHappened);
|
|
DatabaseEnvironment env = DatabaseEnvironment.Open(
|
|
home, cfg);
|
|
env.DeadlockResolution = DeadlockPolicy.DEFAULT;
|
|
|
|
// Start as master site.
|
|
env.RepMgrStartMaster(3);
|
|
|
|
Console.WriteLine("Master: Finish initialization");
|
|
|
|
// Notify clients to join.
|
|
client1StartSignal.Set();
|
|
client2StartSignal.Set();
|
|
client3StartSignal.Set();
|
|
|
|
// Wait for initialization of all clients.
|
|
client1ReadySignal.WaitOne();
|
|
client2ReadySignal.WaitOne();
|
|
client3ReadySignal.WaitOne();
|
|
|
|
foreach (RepMgrSite site in env.RepMgrRemoteSites)
|
|
{
|
|
Assert.AreEqual("127.0.0.1", site.Address.Host);
|
|
Assert.IsTrue(ports.Contains(site.Address.Port));
|
|
}
|
|
|
|
// After all of them are ready, close the current master.
|
|
Console.WriteLine("Master: Unexpected leave.");
|
|
env.LogFlush();
|
|
env.Close();
|
|
masterLeaveSignal.Set();
|
|
}
|
|
|
|
public void StableClient1()
|
|
{
|
|
string home = testHome + "/StableClient1";
|
|
Configuration.ClearDir(home);
|
|
|
|
// Get notification from master and start the #1 client.
|
|
client1StartSignal.WaitOne();
|
|
Console.WriteLine("Client1: Join the replication");
|
|
|
|
// Open the environment.
|
|
DatabaseEnvironmentConfig cfg =
|
|
new DatabaseEnvironmentConfig();
|
|
cfg.UseReplication = true;
|
|
cfg.MPoolSystemCfg = new MPoolConfig();
|
|
cfg.MPoolSystemCfg.CacheSize =
|
|
new CacheInfo(0, 20485760, 1);
|
|
cfg.UseLocking = true;
|
|
cfg.UseTxns = true;
|
|
cfg.UseMPool = true;
|
|
cfg.Create = true;
|
|
cfg.UseLogging = true;
|
|
cfg.RunRecovery = true;
|
|
cfg.TxnNoSync = true;
|
|
cfg.FreeThreaded = true;
|
|
cfg.LockTimeout = 50000;
|
|
cfg.RepSystemCfg = new ReplicationConfig();
|
|
cfg.RepSystemCfg.RepmgrSitesConfig.Add(new DbSiteConfig());
|
|
cfg.RepSystemCfg.RepmgrSitesConfig[0].Host = "127.0.0.1";
|
|
cfg.RepSystemCfg.RepmgrSitesConfig[0].Port = ports[1];
|
|
cfg.RepSystemCfg.RepmgrSitesConfig[0].LocalSite = true;
|
|
cfg.RepSystemCfg.Priority = 10;
|
|
cfg.RepSystemCfg.RepmgrSitesConfig.Add(new DbSiteConfig());
|
|
cfg.RepSystemCfg.RepmgrSitesConfig[1] = new DbSiteConfig();
|
|
cfg.RepSystemCfg.RepmgrSitesConfig[1].Host = "127.0.0.1";
|
|
cfg.RepSystemCfg.RepmgrSitesConfig[1].Port = ports[0];
|
|
cfg.RepSystemCfg.RepmgrSitesConfig[1].Helper = true;
|
|
cfg.RepSystemCfg.RepmgrSitesConfig.Add(new DbSiteConfig());
|
|
cfg.RepSystemCfg.RepmgrSitesConfig[2] = new DbSiteConfig();
|
|
cfg.RepSystemCfg.RepmgrSitesConfig[2].Host = "127.0.0.1";
|
|
cfg.RepSystemCfg.RepmgrSitesConfig[2].Port = ports[3];
|
|
cfg.RepSystemCfg.RepmgrSitesConfig[2].Peer = true;
|
|
cfg.RepSystemCfg.ElectionRetry = 10;
|
|
cfg.RepSystemCfg.RepMgrAckPolicy = AckPolicy.NONE;
|
|
cfg.EventNotify = new EventNotifyDelegate(stuffHappened);
|
|
DatabaseEnvironment env = DatabaseEnvironment.Open(
|
|
home, cfg);
|
|
env.DeadlockResolution = DeadlockPolicy.DEFAULT;
|
|
|
|
// Start the client who won't raise any election.
|
|
env.RepMgrStartClient(3, false);
|
|
|
|
// Leave enough time to sync.
|
|
Thread.Sleep(20000);
|
|
|
|
// Wait for master's leave signal.
|
|
masterLeaveSignal.WaitOne();
|
|
|
|
/*
|
|
* Set the master's leave signal so that other clients
|
|
* could be informed.
|
|
*/
|
|
masterLeaveSignal.Set();
|
|
|
|
// Leave sometime for client to hold election.
|
|
Thread.Sleep(10000);
|
|
|
|
env.LogFlush();
|
|
env.Close();
|
|
Console.WriteLine("Client1: Leaving the replication");
|
|
}
|
|
|
|
public void StableClient2()
|
|
{
|
|
string home = testHome + "/StableClient2";
|
|
Configuration.ClearDir(home);
|
|
|
|
client2StartSignal.WaitOne();
|
|
Console.WriteLine("Client2: Join the replication");
|
|
|
|
DatabaseEnvironmentConfig cfg =
|
|
new DatabaseEnvironmentConfig();
|
|
cfg.UseReplication = true;
|
|
cfg.MPoolSystemCfg = new MPoolConfig();
|
|
cfg.MPoolSystemCfg.CacheSize =
|
|
new CacheInfo(0, 20485760, 1);
|
|
cfg.UseLocking = true;
|
|
cfg.UseTxns = true;
|
|
cfg.UseMPool = true;
|
|
cfg.Create = true;
|
|
cfg.UseLogging = true;
|
|
cfg.RunRecovery = true;
|
|
cfg.TxnNoSync = true;
|
|
cfg.FreeThreaded = true;
|
|
cfg.LockTimeout = 50000;
|
|
cfg.RepSystemCfg = new ReplicationConfig();
|
|
cfg.RepSystemCfg = new ReplicationConfig();
|
|
cfg.RepSystemCfg.RepmgrSitesConfig.Add(new DbSiteConfig());
|
|
cfg.RepSystemCfg.RepmgrSitesConfig[0].Host = "127.0.0.1";
|
|
cfg.RepSystemCfg.RepmgrSitesConfig[0].Port = ports[2];
|
|
cfg.RepSystemCfg.RepmgrSitesConfig[0].LocalSite = true;
|
|
cfg.RepSystemCfg.Priority = 20;
|
|
cfg.RepSystemCfg.RepmgrSitesConfig.Add(new DbSiteConfig());
|
|
cfg.RepSystemCfg.RepmgrSitesConfig[1].Host = "127.0.0.1";
|
|
cfg.RepSystemCfg.RepmgrSitesConfig[1].Port = ports[0];
|
|
cfg.RepSystemCfg.RepmgrSitesConfig[1].Helper = true;
|
|
cfg.RepSystemCfg.RepmgrSitesConfig.Add(new DbSiteConfig());
|
|
cfg.RepSystemCfg.RepmgrSitesConfig[2].Host = "127.0.0.1";
|
|
cfg.RepSystemCfg.RepmgrSitesConfig[2].Port = ports[1];
|
|
cfg.RepSystemCfg.RepmgrSitesConfig[2].Peer = true;
|
|
cfg.RepSystemCfg.ElectionRetry = 10;
|
|
cfg.RepSystemCfg.RepMgrAckPolicy =
|
|
AckPolicy.ONE_PEER;
|
|
cfg.EventNotify = new EventNotifyDelegate(stuffHappened);
|
|
DatabaseEnvironment env = DatabaseEnvironment.Open(
|
|
home, cfg);
|
|
env.DeadlockResolution = DeadlockPolicy.DEFAULT;
|
|
|
|
// Start the client who will raise election if no master.
|
|
env.RepMgrStartClient(3, true);
|
|
|
|
// Leave enough time to sync.
|
|
Thread.Sleep(20000);
|
|
|
|
// The current client site is fully initialized.
|
|
client2ReadySignal.Set();
|
|
|
|
// Wait for master's leave signal.
|
|
masterLeaveSignal.WaitOne();
|
|
|
|
/*
|
|
* Set the master's leave signal so that other clients
|
|
* could be informed.
|
|
*/
|
|
masterLeaveSignal.Set();
|
|
|
|
// Leave sometime for client to hold election.
|
|
Thread.Sleep(5000);
|
|
|
|
env.LogFlush();
|
|
env.Close();
|
|
Console.WriteLine("Client2: Leaving the replication");
|
|
}
|
|
|
|
public void StableClient3()
|
|
{
|
|
string home = testHome + "/StableClient3";
|
|
Configuration.ClearDir(home);
|
|
|
|
client3StartSignal.WaitOne();
|
|
Console.WriteLine("Client3: Join the replication");
|
|
|
|
DatabaseEnvironmentConfig cfg =
|
|
new DatabaseEnvironmentConfig();
|
|
cfg.UseReplication = true;
|
|
cfg.MPoolSystemCfg = new MPoolConfig();
|
|
cfg.MPoolSystemCfg.CacheSize =
|
|
new CacheInfo(0, 20485760, 1);
|
|
cfg.UseLocking = true;
|
|
cfg.UseTxns = true;
|
|
cfg.UseMPool = true;
|
|
cfg.Create = true;
|
|
cfg.UseLogging = true;
|
|
cfg.RunRecovery = true;
|
|
cfg.TxnNoSync = true;
|
|
cfg.FreeThreaded = true;
|
|
cfg.LockTimeout = 50000;
|
|
cfg.RepSystemCfg = new ReplicationConfig();
|
|
cfg.RepSystemCfg.RepmgrSitesConfig.Add(new DbSiteConfig());
|
|
cfg.RepSystemCfg.RepmgrSitesConfig[0].Host = "127.0.0.1";
|
|
cfg.RepSystemCfg.RepmgrSitesConfig[0].Port = ports[3];
|
|
cfg.RepSystemCfg.RepmgrSitesConfig[0].LocalSite = true;
|
|
cfg.RepSystemCfg.Priority = 80;
|
|
cfg.RepSystemCfg.RepmgrSitesConfig.Add(new DbSiteConfig());
|
|
cfg.RepSystemCfg.RepmgrSitesConfig[1].Host = "127.0.0.1";
|
|
cfg.RepSystemCfg.RepmgrSitesConfig[1].Port = ports[0];
|
|
cfg.RepSystemCfg.RepmgrSitesConfig[1].Helper = true;
|
|
cfg.RepSystemCfg.RepmgrSitesConfig.Add(new DbSiteConfig());
|
|
cfg.RepSystemCfg.RepmgrSitesConfig[2].Host = "127.0.0.1";
|
|
cfg.RepSystemCfg.RepmgrSitesConfig[2].Port = ports[1];
|
|
cfg.RepSystemCfg.RepmgrSitesConfig[2].Peer = true;
|
|
cfg.EventNotify = new EventNotifyDelegate(stuffHappened);
|
|
cfg.RepSystemCfg.ElectionRetry = 10;
|
|
cfg.RepSystemCfg.RepMgrAckPolicy = AckPolicy.QUORUM;
|
|
DatabaseEnvironment env = DatabaseEnvironment.Open(
|
|
home, cfg);
|
|
env.DeadlockResolution = DeadlockPolicy.DEFAULT;
|
|
|
|
env.RepMgrStartClient(3, false);
|
|
|
|
// Leave enough time to sync with master.
|
|
Thread.Sleep(20000);
|
|
|
|
// The current client site is fully initialized.
|
|
client3ReadySignal.Set();
|
|
|
|
// The current client site is fully initialized.
|
|
client1ReadySignal.Set();
|
|
|
|
foreach (RepMgrSite site in env.RepMgrRemoteSites) {
|
|
if (site.Address.Port == ports[3])
|
|
Assert.IsTrue(site.isPeer);
|
|
else
|
|
Assert.IsFalse(site.isPeer);
|
|
}
|
|
|
|
// Wait for master's leave signal.
|
|
masterLeaveSignal.WaitOne();
|
|
|
|
/*
|
|
* Set the master's leave signal so that other clients
|
|
* could be informed.
|
|
*/
|
|
masterLeaveSignal.Set();
|
|
|
|
/*
|
|
* Master will leave the replication after all clients'
|
|
* initialization. Leave sometime for master to leave
|
|
* and for clients elect.
|
|
*/
|
|
Thread.Sleep(5000);
|
|
|
|
ReplicationStats repStats = env.ReplicationSystemStats();
|
|
Assert.LessOrEqual(0, repStats.Elections);
|
|
Assert.LessOrEqual(0, repStats.ElectionTiebreaker);
|
|
Assert.LessOrEqual(0,
|
|
repStats.ElectionTimeSec + repStats.ElectionTimeUSec);
|
|
Assert.LessOrEqual(0, repStats.MasterChanges);
|
|
Assert.LessOrEqual(0, repStats.NewSiteMessages);
|
|
Assert.LessOrEqual(0, repStats.ReceivedLogRecords);
|
|
Assert.LessOrEqual(0, repStats.ReceivedMessages);
|
|
Assert.LessOrEqual(0, repStats.ReceivedPages);
|
|
Assert.GreaterOrEqual(4, repStats.RegisteredSitesNeeded);
|
|
Assert.LessOrEqual(0, repStats.Sites);
|
|
|
|
/*
|
|
* Client 3 will be the new master. The Elected master should wait
|
|
* until all other clients leave.
|
|
*/
|
|
Thread.Sleep(10000);
|
|
|
|
env.LogFlush();
|
|
env.Close();
|
|
Console.WriteLine("Client3: Leaving the replication");
|
|
}
|
|
|
|
[Test]
|
|
public void TestAckPolicy()
|
|
{
|
|
testName = "TestAckPolicy";
|
|
SetUpTest(true);
|
|
|
|
SetRepMgrAckPolicy(testHome + "_ALL", AckPolicy.ALL);
|
|
SetRepMgrAckPolicy(testHome + "_ALL_AVAILABLE",
|
|
AckPolicy.ALL_AVAILABLE);
|
|
SetRepMgrAckPolicy(testHome + "_ALL_PEERS",
|
|
AckPolicy.ALL_PEERS);
|
|
SetRepMgrAckPolicy(testHome + "_NONE",
|
|
AckPolicy.NONE);
|
|
SetRepMgrAckPolicy(testHome + "_ONE",
|
|
AckPolicy.ONE);
|
|
SetRepMgrAckPolicy(testHome + "_ONE_PEER",
|
|
AckPolicy.ONE_PEER);
|
|
SetRepMgrAckPolicy(testHome + "_QUORUM",
|
|
AckPolicy.QUORUM);
|
|
SetRepMgrAckPolicy(testHome + "_NULL", null);
|
|
}
|
|
|
|
public void SetRepMgrAckPolicy(string home, AckPolicy policy)
|
|
{
|
|
Configuration.ClearDir(home);
|
|
DatabaseEnvironmentConfig envConfig =
|
|
new DatabaseEnvironmentConfig();
|
|
envConfig.Create = true;
|
|
envConfig.UseLocking = true;
|
|
envConfig.UseLogging = true;
|
|
envConfig.UseMPool = true;
|
|
envConfig.UseReplication = true;
|
|
envConfig.UseTxns = true;
|
|
DatabaseEnvironment env = DatabaseEnvironment.Open(
|
|
home, envConfig);
|
|
if (policy != null)
|
|
{
|
|
env.RepMgrAckPolicy = policy;
|
|
Assert.AreEqual(policy, env.RepMgrAckPolicy);
|
|
}
|
|
env.Close();
|
|
}
|
|
|
|
[Test]
|
|
public void TestLocalSite() {
|
|
testName = "TestLocalSite";
|
|
SetUpTest(true);
|
|
Configuration.ClearDir(testHome);
|
|
DatabaseEnvironmentConfig envConfig =
|
|
new DatabaseEnvironmentConfig();
|
|
envConfig.Create = true;
|
|
envConfig.UseLocking = true;
|
|
envConfig.UseLogging = true;
|
|
envConfig.UseMPool = true;
|
|
envConfig.UseReplication = true;
|
|
envConfig.UseTxns = true;
|
|
ReplicationHostAddress addr =
|
|
new ReplicationHostAddress("localhost:6060");
|
|
ReplicationConfig repCfg = new ReplicationConfig();
|
|
DbSiteConfig dbSiteConfig = new DbSiteConfig();
|
|
dbSiteConfig.Host = addr.Host;
|
|
dbSiteConfig.Port = addr.Port;
|
|
dbSiteConfig.LocalSite = true;
|
|
repCfg.RepmgrSitesConfig.Add(dbSiteConfig);
|
|
envConfig.RepSystemCfg = repCfg;
|
|
DatabaseEnvironment env =
|
|
DatabaseEnvironment.Open(testHome, envConfig);
|
|
ReplicationHostAddress testAddr =
|
|
env.RepMgrLocalSite.Address;
|
|
Assert.AreEqual(addr.Host, testAddr.Host);
|
|
Assert.AreEqual(addr.Port, testAddr.Port);
|
|
env.Close();
|
|
}
|
|
|
|
public class AvailablePorts : IEnumerable<uint>
|
|
{
|
|
private List<uint> availablePort = new List<uint>();
|
|
private List<uint> usingPort = new List<uint>();
|
|
private int position = -1;
|
|
|
|
public AvailablePorts()
|
|
{
|
|
// Initial usingPort array with all TCP ports being used.
|
|
IPGlobalProperties properties = IPGlobalProperties.GetIPGlobalProperties();
|
|
foreach (IPEndPoint point in properties.GetActiveTcpListeners())
|
|
usingPort.Add((uint)point.Port);
|
|
|
|
// Initial availablePort array with available ports ranging from 10000 to 15000.
|
|
for (uint i = 10000; i <= 15000; i++)
|
|
{
|
|
if (!usingPort.Contains(i))
|
|
availablePort.Add(i);
|
|
}
|
|
}
|
|
|
|
IEnumerator IEnumerable.GetEnumerator() { return GetEnumerator(); }
|
|
|
|
public IEnumerator<uint> GetEnumerator()
|
|
{
|
|
while (MoveNext())
|
|
yield return availablePort[position];
|
|
}
|
|
|
|
public bool MoveNext()
|
|
{
|
|
position++;
|
|
return position < availablePort.Count;
|
|
}
|
|
|
|
public uint Current
|
|
{
|
|
get {
|
|
if (position == -1)
|
|
position = 0;
|
|
return availablePort[position];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|