internal static async Task ReminderTableTest(IReminderTable reminderTable)
{
Guid guid = Guid.NewGuid();
var results = await Task.WhenAll(Enumerable.Range(0, 10).
Select(x => reminderTable.UpsertRow(CreateReminder(MakeTestGrainReference(guid), "0"))));
Assert.AreEqual(results.Distinct().Count(), results.Length);
await Task.WhenAll(Enumerable.Range(1, 999).Select(async i =>
{
GrainReference grainRef = MakeTestGrainReference(Guid.NewGuid());
await reminderTable.UpsertRow(CreateReminder(grainRef, i.ToString()));
}));
var rows = await reminderTable.ReadRows(0, uint.MaxValue);
Assert.AreEqual(rows.Reminders.Count, 1000);
rows = await reminderTable.ReadRows(0, 0);
Assert.AreEqual(rows.Reminders.Count, 1000);
var remindersHashes = rows.Reminders.Select(r => r.GrainRef.GetUniformHashCode()).ToArray();
SafeRandom random = new SafeRandom();
await Task.WhenAll(Enumerable.Repeat(
TestRemindersHashInterval(reminderTable, (uint) random.Next(), (uint) random.Next(),
remindersHashes), 1000));
var reminder = rows.Reminders.First();
var shouldExist = await reminderTable.ReadRow(reminder.GrainRef, reminder.ReminderName);
Assert.IsNotNull(shouldExist);
string etagTemp = reminder.ETag;
reminder.ETag = await reminderTable.UpsertRow(reminder);
var removeRowRes = await reminderTable.RemoveRow(reminder.GrainRef, reminder.ReminderName, etagTemp);
Assert.IsFalse(removeRowRes, "should have failed. Etag is wrong");
removeRowRes = await reminderTable.RemoveRow(reminder.GrainRef, "bla", reminder.ETag);
Assert.IsFalse(removeRowRes, "should have failed. reminder name is wrong");
removeRowRes = await reminderTable.RemoveRow(reminder.GrainRef, reminder.ReminderName, reminder.ETag);
Assert.IsTrue(removeRowRes, "should have succeeded. Etag is right");
removeRowRes = await reminderTable.RemoveRow(reminder.GrainRef, reminder.ReminderName, reminder.ETag);
Assert.IsFalse(removeRowRes, "should have failed. reminder shouldn't exist");
}
public GatewayManager(ClientConfiguration cfg, IGatewayListProvider gatewayListProvider)
{
config = cfg;
knownDead = new Dictionary<Uri, DateTime>();
rand = new SafeRandom();
logger = TraceLogger.GetLogger("Messaging.GatewayManager", TraceLogger.LoggerType.Runtime);
lockable = new object();
gatewayRefreshCallInitiated = false;
ListProvider = gatewayListProvider;
var knownGateways = ListProvider.GetGateways().GetResult();
if (knownGateways.Count == 0)
{
string gatewayProviderType = gatewayListProvider.GetType().FullName;
string err = String.Format("Could not find any gateway in {0}. Orleans client cannot initialize.", gatewayProviderType);
logger.Error(ErrorCode.GatewayManager_NoGateways, err);
throw new OrleansException(err);
}
logger.Info(ErrorCode.GatewayManager_FoundKnownGateways, "Found {0} knownGateways from Gateway listProvider {1}", knownGateways.Count, Utils.EnumerableToString(knownGateways));
if (ListProvider is IGatewayListObservable)
{
((IGatewayListObservable)ListProvider).SubscribeToGatewayNotificationEvents(this);
}
roundRobinCounter = cfg.PreferedGatewayIndex >= 0 ? cfg.PreferedGatewayIndex : rand.Next(knownGateways.Count);
cachedLiveGateways = knownGateways;
lastRefreshTime = DateTime.UtcNow;
if (ListProvider.IsUpdatable)
{
gatewayRefreshTimer = new SafeTimer(RefreshSnapshotLiveGateways_TimerCallback, null, config.GatewayListRefreshPeriod, config.GatewayListRefreshPeriod);
}
}
internal async Task RemindersRange(int iterations=1000)
{
await Task.WhenAll(Enumerable.Range(1, iterations).Select(async i =>
{
GrainReference grainRef = MakeTestGrainReference();
await remindersTable.UpsertRow(CreateReminder(grainRef, i.ToString()));
}));
var rows = await remindersTable.ReadRows(0, uint.MaxValue);
Assert.AreEqual(rows.Reminders.Count, iterations);
rows = await remindersTable.ReadRows(0, 0);
Assert.AreEqual(rows.Reminders.Count, iterations);
var remindersHashes = rows.Reminders.Select(r => r.GrainRef.GetUniformHashCode()).ToArray();
SafeRandom random = new SafeRandom();
await Task.WhenAll(Enumerable.Range(0, iterations).Select(i =>
TestRemindersHashInterval(remindersTable, (uint)random.Next(), (uint)random.Next(),
remindersHashes)));
}