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.RepMgrLocalSite =
new ReplicationHostAddress("127.0.0.1", 7888);
cfg.RepSystemCfg.Priority = 10;
cfg.RepSystemCfg.AddRemoteSite(
new ReplicationHostAddress("127.0.0.1", 8888), false);
cfg.RepSystemCfg.AddRemoteSite(
new ReplicationHostAddress("127.0.0.1", 5888), true);
cfg.RepSystemCfg.NSites = 4;
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);
// The current client site is fully initialized.
client1ReadySignal.Set();
foreach (RepMgrSite site in env.RepMgrRemoteSites)
{
if (site.Address.Port == 5888)
{
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();
// 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.RepMgrLocalSite =
new ReplicationHostAddress("127.0.0.1", 6888);
cfg.RepSystemCfg.Priority = 20;
cfg.RepSystemCfg.AddRemoteSite(
new ReplicationHostAddress("127.0.0.1", 8888), false);
cfg.RepSystemCfg.AddRemoteSite(
new ReplicationHostAddress("127.0.0.1", 7888), true);
cfg.RepSystemCfg.NSites = 4;
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 TestCommitSuccess()
{
testName = "TestCommitSuccess";
SetUpTest(true);
string[] keys = { "key 1", "key 2", "key 3", "key 4",
"key 5", "key 6", "key 7", "key 8","key 9", "key 10" };
DatabaseEnvironment master = SetUpEnv(testHome + "/master", 100, masterPort, true);
DatabaseEnvironment client = SetUpEnv(testHome + "/client", 0, clientPort, false);
master.RepMgrStartMaster(2);
Thread.Sleep(2000);
client.RepMgrStartClient(2);
BTreeDatabase db1 = Open(master, true);
BTreeDatabase db2 = null;
for (; ;)
{
if (db2 == null)
{
try {
db2 = Open(client, false);
break;
} catch (DatabaseException) {
if (db2 != null)
{
db2.Close(true);
db2 = null;
}
System.Threading.Thread.Sleep(1000);
continue;
}
}
}
try {
for (int i = 0; i < 3; i++)
{
Transaction txn = master.BeginTransaction();
// Get the key.
DatabaseEntry key, data;
key = new DatabaseEntry(
ASCIIEncoding.ASCII.GetBytes(keys[i]));
data = new DatabaseEntry(
ASCIIEncoding.ASCII.GetBytes(keys[i]));
db1.Put(key, data, txn);
txn.Commit();
byte[] token = txn.CommitToken;
Assert.AreEqual(master.IsTransactionApplied(token, 5000), TransactionAppliedStatus.APPLIED);
Assert.AreEqual(client.IsTransactionApplied(token, 200000), TransactionAppliedStatus.APPLIED);
}
}
finally {
db1.Close();
db2.Close();
master.Close();
client.Close();
}
}
public void Client()
{
string home = testHome + "/Client";
Configuration.ClearDir(home);
clientStartSignal.WaitOne();
Console.WriteLine("Client: Join the replication");
// Open a 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.RepMgrLocalSite =
new ReplicationHostAddress("127.0.0.1", 6870);
cfg.RepSystemCfg.Priority = 10;
cfg.RepSystemCfg.AddRemoteSite(
new ReplicationHostAddress("127.0.0.1", 8870), false);
cfg.RepSystemCfg.NSites = 2;
cfg.EventNotify = new EventNotifyDelegate(stuffHappened);
DatabaseEnvironment env = DatabaseEnvironment.Open(
home, cfg);
// Start a client site with replication manager.
env.RepMgrStartClient(3, false);
// Leave enough time to sync.
Thread.Sleep(20000);
// Open database.
BTreeDatabaseConfig dbConfig =
new BTreeDatabaseConfig();
dbConfig.Creation = CreatePolicy.NEVER;
dbConfig.AutoCommit = true;
dbConfig.Env = env;
dbConfig.PageSize = 512;
BTreeDatabase db = BTreeDatabase.Open("rep.db",
dbConfig);
// Write data into database.
Console.WriteLine("Client: Start reading data #1.");
for (int i = 0; i < 5; i++)
{
db.GetBoth(new DatabaseEntry(
BitConverter.GetBytes(i)), new DatabaseEntry(
BitConverter.GetBytes(i)));
}
// Leave sometime for client to read new data from master.
Thread.Sleep(20000);
/*
* Read the data. All data exists in master site should
* appear in the client site.
*/
Console.WriteLine("Client: Start reading data #2.");
for (int i = 10; i < 15; i++)
{
db.GetBoth(new DatabaseEntry(
BitConverter.GetBytes(i)), new DatabaseEntry(
BitConverter.GetBytes(i)));
}
// Get the latest replication subsystem statistics.
ReplicationStats repStats = env.ReplicationSystemStats();
Assert.IsTrue(repStats.ClientStartupComplete);
Assert.AreEqual(1, repStats.DuplicateLogRecords);
Assert.LessOrEqual(0, repStats.EnvID);
Assert.LessOrEqual(0, repStats.NextPage);
Assert.LessOrEqual(0, repStats.ReceivedPages);
Assert.AreEqual(1, repStats.Status);
// Close all.
db.Close(false);
env.LogFlush();
env.Close();
Console.WriteLine(
"Client: All data is read. Leaving the replication");
// The master is closed after client's close.
masterCloseSignal.Set();
}
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");
}
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 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 */
Thread.Sleep(2000);
/*
* Verify the client info could be achived 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(1, rsite.EId);
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.AreEqual(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(1, 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
* unmanged 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 StableClient(string home, int clientIdx,
uint localPort, uint priority,
uint helperPort, uint peerPort,
EventWaitHandle notifyHandle)
{
int timeout = 0;
Configuration.ClearDir(home);
Console.WriteLine(
"Client{0}: Join the replication", clientIdx);
DatabaseEnvironmentConfig cfg =
new DatabaseEnvironmentConfig();
cfg.Create = true;
cfg.FreeThreaded = true;
cfg.MPoolSystemCfg = new MPoolConfig();
cfg.MPoolSystemCfg.CacheSize =
new CacheInfo(0, 20485760, 1);
cfg.RunRecovery = true;
cfg.TxnNoSync = true;
cfg.UseLocking = true;
cfg.UseMPool = true;
cfg.UseTxns = true;
cfg.UseReplication = true;
cfg.UseLogging = 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 = localPort;
cfg.RepSystemCfg.RepmgrSitesConfig[0].LocalSite = true;
cfg.RepSystemCfg.Priority = priority;
cfg.RepSystemCfg.RepmgrSitesConfig.Add(
new DbSiteConfig());
cfg.RepSystemCfg.RepmgrSitesConfig[1].Host = "127.0.0.1";
cfg.RepSystemCfg.RepmgrSitesConfig[1].Port = helperPort;
cfg.RepSystemCfg.RepmgrSitesConfig[1].Helper = true;
cfg.RepSystemCfg.ElectionRetry = 100;
cfg.RepSystemCfg.RepMgrAckPolicy = AckPolicy.NONE;
cfg.EventNotify = new EventNotifyDelegate(stuffHappened);
DatabaseEnvironment env = DatabaseEnvironment.Open(
home, cfg);
env.DeadlockResolution = DeadlockPolicy.DEFAULT;
try {
// Start the client.
Assert.AreEqual(clientIdx - 1, startUpDone);
env.RepMgrStartClient(3, false);
while (startUpDone < clientIdx)
{
if (timeout > 10)
{
throw new TestException();
}
timeout++;
Thread.Sleep(1000);
}
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(clientIdx + 1,
repStats.RegisteredSitesNeeded);
Assert.LessOrEqual(0, repStats.Sites);
// Notify the next event.
notifyHandle.Set();
// Wait for master's leave.
if (!clientsElectionSignal.WaitOne(50000))
{
throw new TestException();
}
timeout = 0;
while (!electionDone)
{
if (timeout > 10)
{
throw new TestException();
}
timeout++;
Thread.Sleep(1000);
}
env.LogFlush();
timeout = 0;
// Start up done event happens on client.
while (startUpDone < 2)
{
if (timeout > 10)
{
throw new TestException();
}
timeout++;
Thread.Sleep(1000);
}
Thread.Sleep((int)priority * 100);
} catch (Exception e) {
Console.WriteLine(e.Message);
} finally {
env.Close();
Console.WriteLine(
"Client{0}: Leaving the replication",
clientIdx);
}
}
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();
}