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 TestRepMgr()
{
testName = "TestRepMgr";
SetUpTest(true);
// Initialize ports for master and client.
ports.Clear();
AvailablePorts portGen = new AvailablePorts();
ports.Insert(0, portGen.Current);
portGen.MoveNext();
ports.Insert(1, portGen.Current);
clientStartSignal = new AutoResetEvent(false);
masterCloseSignal = new AutoResetEvent(false);
Thread thread1 = new Thread(new ThreadStart(Master));
Thread thread2 = new Thread(new ThreadStart(Client));
// Start master thread before client thread.
thread1.Start();
Thread.Sleep(1000);
thread2.Start();
thread2.Join();
thread1.Join();
clientStartSignal.Close();
masterCloseSignal.Close();
}
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);
/*
* The *Signals are used as triggers to control the test
* work flow. The client1StartSignal would be set once
* the master is ready and notify the client1 to start.
* The client2StartSignal would be set once the client1
* is ready and notify the client2 to start. The
* client3StartSignal is similar. The masterLeaveSignal
* would be set once the last client client3 is ready
* and notify the master to leave. The
* clientsElectionSignal would be set when the master
* has already left and new master would be elected.
*/
client1StartSignal = new AutoResetEvent(false);
client2StartSignal = new AutoResetEvent(false);
client3StartSignal = new AutoResetEvent(false);
clientsElectionSignal = new AutoResetEvent(false);
masterLeaveSignal = new AutoResetEvent(false);
// Count startup done event.
startUpDone = 0;
// Whether finish election.
electionDone = 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));
try {
thread1.Start();
/*
* After start up is done at master, start
* client1. Wait for the signal for 50000 ms.
*/
if (!client1StartSignal.WaitOne(50000))
{
throw new TestException();
}
thread2.Start();
// Ready to start client2.
if (!client2StartSignal.WaitOne(50000))
{
throw new TestException();
}
thread3.Start();
// Ready to start client3.
if (!client3StartSignal.WaitOne(50000))
{
throw new TestException();
}
thread4.Start();
thread4.Join();
thread3.Join();
thread2.Join();
thread1.Join();
Assert.IsTrue(electionDone);
} catch (TestException e) {
if (thread1.IsAlive)
{
thread1.Abort();
}
if (thread2.IsAlive)
{
thread2.Abort();
}
if (thread3.IsAlive)
{
thread3.Abort();
}
if (thread4.IsAlive)
{
thread4.Abort();
}
throw e;
} finally {
client1StartSignal.Close();
client2StartSignal.Close();
client3StartSignal.Close();
clientsElectionSignal.Close();
masterLeaveSignal.Close();
}
}
public void TestReplicationView()
{
testName = "TestReplicationView";
SetUpTest(true);
string masterHome = testHome + "\\Master";
Configuration.ClearDir(masterHome);
string clientHome1 = testHome + "\\Client1";
Configuration.ClearDir(clientHome1);
string clientHome2 = testHome + "\\Client2";
Configuration.ClearDir(clientHome2);
ports.Clear();
AvailablePorts portGen = new AvailablePorts();
uint mPort = portGen.Current;
portGen.MoveNext();
uint cPort1 = portGen.Current;
portGen.MoveNext();
uint cPort2 = portGen.Current;
/* Open environment with replication configuration. */
DatabaseEnvironmentConfig cfg =
new DatabaseEnvironmentConfig();
cfg.Create = true;
cfg.RunRecovery = true;
cfg.UseLocking = true;
cfg.UseLogging = true;
cfg.UseMPool = true;
cfg.UseReplication = true;
cfg.FreeThreaded = true;
cfg.UseTxns = true;
cfg.EventNotify = new EventNotifyDelegate(stuffHappened);
cfg.RepSystemCfg = new ReplicationConfig();
cfg.RepSystemCfg.RepmgrSitesConfig.Add(new DbSiteConfig());
cfg.RepSystemCfg.RepmgrSitesConfig[0].Host = "127.0.0.1";
cfg.RepSystemCfg.RepmgrSitesConfig[0].Port = mPort;
cfg.RepSystemCfg.RepmgrSitesConfig[0].LocalSite = true;
cfg.RepSystemCfg.RepmgrSitesConfig[0].GroupCreator = true;
cfg.RepSystemCfg.Priority = 100;
/* Start up the master site. */
DatabaseEnvironment mEnv = DatabaseEnvironment.Open(
masterHome, cfg);
mEnv.DeadlockResolution = DeadlockPolicy.DEFAULT;
mEnv.RepMgrStartMaster(2);
/* Open the environment of the client 1 site. */
cfg.RepSystemCfg.RepmgrSitesConfig[0].Port = cPort1;
cfg.RepSystemCfg.RepmgrSitesConfig[0].GroupCreator = false;
cfg.RepSystemCfg.Priority = 10;
cfg.RepSystemCfg.RepmgrSitesConfig.Add(new DbSiteConfig());
cfg.RepSystemCfg.RepmgrSitesConfig[1].Host = "127.0.0.1";
cfg.RepSystemCfg.RepmgrSitesConfig[1].Port = mPort;
cfg.RepSystemCfg.RepmgrSitesConfig[1].Helper = true;
/* Set the site as a partial view. */
cfg.RepSystemCfg.ReplicationView = repView;
DatabaseEnvironment cEnv1 = DatabaseEnvironment.Open(
clientHome1, cfg);
/* Open the environment of the client 2 site. */
cfg.RepSystemCfg.RepmgrSitesConfig[0].Port = cPort2;
cfg.RepSystemCfg.RepmgrSitesConfig[0].GroupCreator = false;
cfg.RepSystemCfg.Priority = 10;
/* Set the site as a full view. */
cfg.RepSystemCfg.ReplicationView = null;
DatabaseEnvironment cEnv2 = DatabaseEnvironment.Open(
clientHome2, cfg);
/*
* Create two database files db1.db and db2.db
* on the master.
*/
BTreeDatabaseConfig btreeDBConfig =
new BTreeDatabaseConfig();
btreeDBConfig.Env = mEnv;
btreeDBConfig.Creation = CreatePolicy.ALWAYS;
btreeDBConfig.AutoCommit = true;
BTreeDatabase db1 =
BTreeDatabase.Open("db1.db", btreeDBConfig);
BTreeDatabase db2 =
BTreeDatabase.Open("db2.db", btreeDBConfig);
db1.Close();
db2.Close();
/* Start up the client sites. */
cEnv1.RepMgrStartClient(2, false);
cEnv2.RepMgrStartClient(2, false);
/* Wait for clients to start up */
int i = 0;
while (!cEnv1.ReplicationSystemStats().ClientStartupComplete)
{
if (i < 20)
{
Thread.Sleep(1000);
i++;
}
else
{
throw new TestException();
}
}
i = 0;
while (!cEnv2.ReplicationSystemStats().ClientStartupComplete)
{
if (i < 20)
{
Thread.Sleep(1000);
i++;
}
else
{
throw new TestException();
}
}
/*
* Verify that the file db2.db is replicated to the
* client 2 (full view), but not to the client 1
* (partial view), and the file db1.db is
* replicated to both sites.
*/
btreeDBConfig.Env = cEnv1;
btreeDBConfig.Creation = CreatePolicy.NEVER;
db1 = BTreeDatabase.Open("db1.db", btreeDBConfig);
try
{
db2 = BTreeDatabase.Open("db2.db", btreeDBConfig);
throw new TestException();
}
catch (DatabaseException e) {
Assert.AreEqual(0, String.Compare(
"No such file or directory", e.Message));
}
db1.Close();
btreeDBConfig.Env = cEnv2;
db1 = BTreeDatabase.Open("db1.db", btreeDBConfig);
db2 = BTreeDatabase.Open("db2.db", btreeDBConfig);
db1.Close();
db2.Close();
/* Get the replication manager statistic. */
RepMgrStats repMgrStats = mEnv.RepMgrSystemStats();
Assert.AreEqual(1, repMgrStats.ParticipantSites);
Assert.AreEqual(3, repMgrStats.TotalSites);
Assert.AreEqual(2, repMgrStats.ViewSites);
/*
* Verify the master is not a view locally
* or from remote site.
*/
ReplicationStats repstats =
mEnv.ReplicationSystemStats();
Assert.AreEqual(false, repstats.View);
RepMgrSite[] rsite = cEnv1.RepMgrRemoteSites;
Assert.AreEqual(2, rsite.Length);
for (i = 0; i < rsite.Length; i++)
{
if (rsite[i].Address.Port == mPort)
{
break;
}
}
Assert.Greater(rsite.Length, i);
Assert.AreEqual(false, rsite[i].isView);
/*
* Verify the clients are views locally
* and from remote site.
*/
rsite = mEnv.RepMgrRemoteSites;
Assert.AreEqual(2, rsite.Length);
Assert.AreEqual(true, rsite[0].isView);
Assert.AreEqual(true, rsite[1].isView);
repstats = cEnv1.ReplicationSystemStats();
Assert.AreEqual(true, repstats.View);
repstats = cEnv2.ReplicationSystemStats();
Assert.AreEqual(true, repstats.View);
cEnv2.Close();
cEnv1.Close();
mEnv.Close();
}
public void TestRepMgrSite()
{
testName = "TestRepMgrSite";
SetUpTest(true);
string masterHome = testHome + "\\Master";
Configuration.ClearDir(masterHome);
string clientHome = testHome + "\\Client";
Configuration.ClearDir(clientHome);
ports.Clear();
AvailablePorts portGen = new AvailablePorts();
uint mPort = portGen.Current;
portGen.MoveNext();
uint cPort = portGen.Current;
// Open environment with replication configuration.
DatabaseEnvironmentConfig cfg =
new DatabaseEnvironmentConfig();
cfg.Create = true;
cfg.RunRecovery = true;
cfg.UseLocking = true;
cfg.UseLogging = true;
cfg.UseMPool = true;
cfg.UseReplication = true;
cfg.FreeThreaded = true;
cfg.UseTxns = true;
cfg.EventNotify = new EventNotifyDelegate(stuffHappened);
cfg.RepSystemCfg = new ReplicationConfig();
cfg.RepSystemCfg.RepmgrSitesConfig.Add(new DbSiteConfig());
cfg.RepSystemCfg.RepmgrSitesConfig[0].Host = "127.0.0.1";
cfg.RepSystemCfg.RepmgrSitesConfig[0].Port = mPort;
cfg.RepSystemCfg.RepmgrSitesConfig[0].LocalSite = true;
cfg.RepSystemCfg.RepmgrSitesConfig[0].GroupCreator = true;
cfg.RepSystemCfg.Priority = 100;
DatabaseEnvironment mEnv = DatabaseEnvironment.Open(
masterHome, cfg);
mEnv.DeadlockResolution = DeadlockPolicy.DEFAULT;
mEnv.RepMgrStartMaster(2);
cfg.RepSystemCfg.RepmgrSitesConfig[0].Port = cPort;
cfg.RepSystemCfg.RepmgrSitesConfig[0].GroupCreator = false;
cfg.RepSystemCfg.Priority = 10;
cfg.RepSystemCfg.RepmgrSitesConfig.Add(new DbSiteConfig());
cfg.RepSystemCfg.RepmgrSitesConfig[1].Host = "127.0.0.1";
cfg.RepSystemCfg.RepmgrSitesConfig[1].Port = mPort;
cfg.RepSystemCfg.RepmgrSitesConfig[1].Helper = true;
DatabaseEnvironment cEnv = DatabaseEnvironment.Open(
clientHome, cfg);
cEnv.RepMgrStartClient(2, false);
/* Wait for client to start up */
int i = 0;
while (!cEnv.ReplicationSystemStats().ClientStartupComplete)
{
if (i < 20)
{
Thread.Sleep(1000);
i++;
}
else
{
throw new TestException();
}
}
/*
* Verify the client info could be observed by master's
* remote site.
*/
Assert.AreEqual(1, mEnv.RepMgrRemoteSites.Length);
RepMgrSite rsite = mEnv.RepMgrRemoteSites[0];
Assert.AreEqual("127.0.0.1", rsite.Address.Host);
Assert.AreEqual(cPort, rsite.Address.Port);
Assert.AreEqual(true, rsite.isConnected);
Assert.AreEqual(false, rsite.isPeer);
DbSite site = mEnv.RepMgrSite("127.0.0.1", mPort);
Assert.AreEqual("127.0.0.1", site.Address.Host);
Assert.AreEqual(mPort, site.Address.Port);
Assert.LessOrEqual(0, site.EId);
Assert.AreEqual(true, site.GroupCreator);
Assert.AreEqual(true, site.LocalSite);
Assert.AreEqual(false, site.Helper);
Assert.AreEqual(false, site.Legacy);
Assert.AreEqual(false, site.Peer);
site.Close();
site = mEnv.RepMgrSite("127.0.0.1", cPort);
Assert.AreEqual("127.0.0.1", site.Address.Host);
Assert.AreEqual(cPort, site.Address.Port);
Assert.AreEqual(rsite.EId, site.EId);
Assert.AreEqual(false, site.GroupCreator);
Assert.AreEqual(false, site.LocalSite);
Assert.AreEqual(false, site.Helper);
Assert.AreEqual(false, site.Legacy);
Assert.AreEqual(false, site.Peer);
site.Remove();
cEnv.Close();
mEnv.Close();
/*
* Update the repmgr site, and verify it is updated in
* unmanaged memory.
*/
rsite.Address = new ReplicationHostAddress(
"192.168.1.1", 1000);
rsite.EId = 1024;
rsite.isConnected = false;
rsite.isPeer = true;
Assert.AreEqual("192.168.1.1", rsite.Address.Host);
Assert.AreEqual(1000, rsite.Address.Port);
Assert.AreEqual(1024, rsite.EId);
Assert.AreEqual(false, rsite.isConnected);
Assert.AreEqual(true, rsite.isPeer);
}
public void TestRepMgrSite()
{
testName = "TestRepMgrSite";
SetUpTest(true);
string masterHome = testHome + "\\Master";
Configuration.ClearDir(masterHome);
string clientHome = testHome + "\\Client";
Configuration.ClearDir(clientHome);
ports.Clear();
AvailablePorts portGen = new AvailablePorts();
uint mPort = portGen.Current;
portGen.MoveNext();
uint cPort = portGen.Current;
// Open environment with replication configuration.
DatabaseEnvironmentConfig cfg =
new DatabaseEnvironmentConfig();
cfg.Create = true;
cfg.RunRecovery = true;
cfg.UseLocking = true;
cfg.UseLogging = true;
cfg.UseMPool = true;
cfg.UseReplication = true;
cfg.FreeThreaded = true;
cfg.UseTxns = true;
cfg.EventNotify = new EventNotifyDelegate(stuffHappened);
cfg.RepSystemCfg = new ReplicationConfig();
cfg.RepSystemCfg.RepMgrLocalSite =
new ReplicationHostAddress("127.0.0.1", mPort);
cfg.RepSystemCfg.Priority = 100;
cfg.RepSystemCfg.NSites = 2;
DatabaseEnvironment mEnv = DatabaseEnvironment.Open(
masterHome, cfg);
mEnv.DeadlockResolution = DeadlockPolicy.DEFAULT;
mEnv.RepMgrStartMaster(2);
cfg.RepSystemCfg.RepMgrLocalSite =
new ReplicationHostAddress("127.0.0.1", cPort);
cfg.RepSystemCfg.Priority = 10;
cfg.RepSystemCfg.AddRemoteSite(
new ReplicationHostAddress("127.0.0.1", mPort),
false);
DatabaseEnvironment cEnv = DatabaseEnvironment.Open(
clientHome, cfg);
cEnv.RepMgrStartClient(2, false);
/*
* Verify the client info could be achived by master's
* remote site.
*/
Assert.AreEqual(1, mEnv.RepMgrRemoteSites.Length);
RepMgrSite site = mEnv.RepMgrRemoteSites[0];
Assert.AreEqual("127.0.0.1", site.Address.Host);
Assert.AreEqual(cPort, site.Address.Port);
Assert.AreEqual(0, site.EId);
Assert.AreEqual(true, site.isConnected);
Assert.AreEqual(false, site.isPeer);
cEnv.Close();
mEnv.Close();
/*
* Update the repmgr site, and verify it is updated in
* unmanged memory.
*/
site.Address = new ReplicationHostAddress(
"192.168.1.1", 1000);
site.EId = 1024;
site.isConnected = false;
site.isPeer = true;
Assert.AreEqual("192.168.1.1", site.Address.Host);
Assert.AreEqual(1000, site.Address.Port);
Assert.AreEqual(1024, site.EId);
Assert.AreEqual(false, site.isConnected);
Assert.AreEqual(true, site.isPeer);
}