public MessageReceiver(
SqlServerTransport transport,
string receiverId,
string receiveAddress,
string errorQueueAddress,
Action <string, Exception, CancellationToken> criticalErrorAction,
Func <TransportTransactionMode, ProcessStrategy> processStrategyFactory,
Func <string, TableBasedQueue> queueFactory,
IPurgeQueues queuePurger,
IExpiredMessagesPurger expiredMessagesPurger,
IPeekMessagesInQueue queuePeeker,
QueuePeekerOptions queuePeekerOptions,
SchemaInspector schemaInspector,
TimeSpan waitTimeCircuitBreaker,
ISubscriptionManager subscriptionManager)
{
this.transport = transport;
this.processStrategyFactory = processStrategyFactory;
this.queuePurger = queuePurger;
this.queueFactory = queueFactory;
this.expiredMessagesPurger = expiredMessagesPurger;
this.queuePeeker = queuePeeker;
this.queuePeekerOptions = queuePeekerOptions;
this.schemaInspector = schemaInspector;
this.waitTimeCircuitBreaker = waitTimeCircuitBreaker;
this.errorQueueAddress = errorQueueAddress;
this.criticalErrorAction = criticalErrorAction;
Subscriptions = subscriptionManager;
Id = receiverId;
ReceiveAddress = receiveAddress;
}
public async Task ConfigureReceiveInfrastructure(ReceiveSettings[] receiveSettings, string[] sendingAddresses, CancellationToken cancellationToken = default)
{
var transactionOptions = transport.TransactionScope.TransactionOptions;
diagnostics.Add("NServiceBus.Transport.SqlServer.Transactions", new
{
TransactionMode = transport.TransportTransactionMode,
transactionOptions.IsolationLevel,
transactionOptions.Timeout
});
diagnostics.Add("NServiceBus.Transport.SqlServer.CircuitBreaker", new
{
TimeToWaitBeforeTriggering = transport.TimeToWaitBeforeTriggeringCircuitBreaker
});
var queuePeekerOptions = transport.QueuePeeker;
var createMessageBodyComputedColumn = transport.CreateMessageBodyComputedColumn;
Func <TransportTransactionMode, ProcessStrategy> processStrategyFactory =
guarantee => SelectProcessStrategy(guarantee, transactionOptions, connectionFactory);
var queuePurger = new QueuePurger(connectionFactory);
var queuePeeker = new QueuePeeker(connectionFactory, queuePeekerOptions);
IExpiredMessagesPurger expiredMessagesPurger;
bool validateExpiredIndex;
if (transport.ExpiredMessagesPurger.PurgeOnStartup == false)
{
diagnostics.Add("NServiceBus.Transport.SqlServer.ExpiredMessagesPurger", new
{
Enabled = false,
});
expiredMessagesPurger = new NoOpExpiredMessagesPurger();
validateExpiredIndex = false;
}
else
{
var purgeBatchSize = transport.ExpiredMessagesPurger.PurgeBatchSize;
diagnostics.Add("NServiceBus.Transport.SqlServer.ExpiredMessagesPurger", new
{
Enabled = true,
BatchSize = purgeBatchSize
});
expiredMessagesPurger = new ExpiredMessagesPurger((_, token) => connectionFactory.OpenNewConnection(token), purgeBatchSize);
validateExpiredIndex = true;
}
var schemaVerification = new SchemaInspector((queue, token) => connectionFactory.OpenNewConnection(token), validateExpiredIndex);
var queueFactory = transport.Testing.QueueFactoryOverride ?? (queueName => new TableBasedQueue(addressTranslator.Parse(queueName).QualifiedTableName, queueName, !isEncrypted));
//Create delayed delivery infrastructure
CanonicalQueueAddress delayedQueueCanonicalAddress = null;
if (transport.DisableDelayedDelivery == false)
{
var delayedDelivery = transport.DelayedDelivery;
diagnostics.Add("NServiceBus.Transport.SqlServer.DelayedDelivery", new
{
Native = true,
Suffix = delayedDelivery.TableSuffix,
Interval = delayedDelivery.ProcessingInterval,
delayedDelivery.BatchSize,
});
var queueAddress = new Transport.QueueAddress(hostSettings.Name, null, new Dictionary <string, string>(), delayedDelivery.TableSuffix);
delayedQueueCanonicalAddress = addressTranslator.GetCanonicalForm(addressTranslator.Generate(queueAddress));
//For backwards-compatibility with previous version of the seam and endpoints that have delayed
//delivery infrastructure, we assume that the first receiver address matches main input queue address
//from version 7 of Core. For raw usages this will still work but delayed-delivery messages
//might be moved to arbitrary picked receiver
var mainReceiverInputQueueAddress = receiveSettings[0].ReceiveAddress;
var inputQueueTable = addressTranslator.Parse(mainReceiverInputQueueAddress).QualifiedTableName;
var delayedMessageTable = new DelayedMessageTable(delayedQueueCanonicalAddress.QualifiedTableName, inputQueueTable);
//Allows dispatcher to store messages in the delayed store
delayedMessageStore = delayedMessageTable;
dueDelayedMessageProcessor = new DueDelayedMessageProcessor(delayedMessageTable, connectionFactory, delayedDelivery.ProcessingInterval, delayedDelivery.BatchSize, transport.TimeToWaitBeforeTriggeringCircuitBreaker, hostSettings);
}
Receivers = receiveSettings.Select(s =>
{
ISubscriptionManager subscriptionManager = transport.SupportsPublishSubscribe
? (ISubscriptionManager) new SubscriptionManager(subscriptionStore, hostSettings.Name, s.ReceiveAddress)
: new NoOpSubscriptionManager();
return(new MessageReceiver(transport, s, hostSettings, processStrategyFactory, queueFactory, queuePurger,
expiredMessagesPurger,
queuePeeker, queuePeekerOptions, schemaVerification, transport.TimeToWaitBeforeTriggeringCircuitBreaker, subscriptionManager));
}).ToDictionary <MessageReceiver, string, IMessageReceiver>(receiver => receiver.Id, receiver => receiver);
await ValidateDatabaseAccess(transactionOptions, cancellationToken).ConfigureAwait(false);
var receiveAddresses = receiveSettings.Select(r => r.ReceiveAddress).ToList();
if (hostSettings.SetupInfrastructure)
{
var queuesToCreate = new List <string>();
queuesToCreate.AddRange(sendingAddresses);
queuesToCreate.AddRange(receiveAddresses);
var queueCreator = new QueueCreator(connectionFactory, addressTranslator, createMessageBodyComputedColumn);
await queueCreator.CreateQueueIfNecessary(queuesToCreate.ToArray(), delayedQueueCanonicalAddress, cancellationToken)
.ConfigureAwait(false);
}
dueDelayedMessageProcessor?.Start(cancellationToken);
transport.Testing.SendingAddresses = sendingAddresses.Select(s => addressTranslator.Parse(s).QualifiedTableName).ToArray();
transport.Testing.ReceiveAddresses = receiveAddresses.Select(r => addressTranslator.Parse(r).QualifiedTableName).ToArray();
transport.Testing.DelayedDeliveryQueue = delayedQueueCanonicalAddress?.QualifiedTableName;
}
public MessagePump(Func <TransportTransactionMode, ReceiveStrategy> receiveStrategyFactory, Func <string, TableBasedQueue> queueFactory, IPurgeQueues queuePurger, IExpiredMessagesPurger expiredMessagesPurger, IPeekMessagesInQueue queuePeeker, QueuePeekerOptions queuePeekerOptions, SchemaInspector schemaInspector, TimeSpan waitTimeCircuitBreaker)
{
this.receiveStrategyFactory = receiveStrategyFactory;
this.queuePurger = queuePurger;
this.queueFactory = queueFactory;
this.expiredMessagesPurger = expiredMessagesPurger;
this.queuePeeker = queuePeeker;
this.queuePeekerOptions = queuePeekerOptions;
this.schemaInspector = schemaInspector;
this.waitTimeCircuitBreaker = waitTimeCircuitBreaker;
}
public MessageReceiver(SqlServerTransport transport, ReceiveSettings receiveSettings, HostSettings hostSettings, Func <TransportTransactionMode, ProcessStrategy> processStrategyFactory, Func <string, TableBasedQueue> queueFactory, IPurgeQueues queuePurger, IExpiredMessagesPurger expiredMessagesPurger, IPeekMessagesInQueue queuePeeker, QueuePeekerOptions queuePeekerOptions, SchemaInspector schemaInspector, TimeSpan waitTimeCircuitBreaker, ISubscriptionManager subscriptionManager)
{
this.transport = transport;
this.receiveSettings = receiveSettings;
this.hostSettings = hostSettings;
this.processStrategyFactory = processStrategyFactory;
this.queuePurger = queuePurger;
this.queueFactory = queueFactory;
this.expiredMessagesPurger = expiredMessagesPurger;
this.queuePeeker = queuePeeker;
this.queuePeekerOptions = queuePeekerOptions;
this.schemaInspector = schemaInspector;
this.waitTimeCircuitBreaker = waitTimeCircuitBreaker;
Subscriptions = subscriptionManager;
}
public override TransportReceiveInfrastructure ConfigureReceiveInfrastructure()
{
if (!settings.TryGet(out SqlScopeOptions scopeOptions))
{
scopeOptions = new SqlScopeOptions();
}
settings.TryGet(out TransportTransactionMode transactionMode);
diagnostics.Add("NServiceBus.Transport.SqlServer.Transactions", new
{
TransactionMode = transactionMode,
scopeOptions.TransactionOptions.IsolationLevel,
scopeOptions.TransactionOptions.Timeout
});
if (!settings.TryGet(SettingsKeys.TimeToWaitBeforeTriggering, out TimeSpan waitTimeCircuitBreaker))
{
waitTimeCircuitBreaker = TimeSpan.FromSeconds(30);
}
diagnostics.Add("NServiceBus.Transport.SqlServer.CircuitBreaker", new
{
TimeToWaitBeforeTriggering = waitTimeCircuitBreaker
});
if (!settings.TryGet(out QueuePeekerOptions queuePeekerOptions))
{
queuePeekerOptions = new QueuePeekerOptions();
}
var createMessageBodyComputedColumn = settings.GetOrDefault <bool>(SettingsKeys.CreateMessageBodyComputedColumn);
Func <TransportTransactionMode, ReceiveStrategy> receiveStrategyFactory =
guarantee => SelectReceiveStrategy(guarantee, scopeOptions.TransactionOptions, connectionFactory);
var queuePurger = new QueuePurger(connectionFactory);
var queuePeeker = new QueuePeeker(connectionFactory, queuePeekerOptions);
IExpiredMessagesPurger expiredMessagesPurger;
bool validateExpiredIndex;
if (settings.GetOrDefault <bool>(SettingsKeys.PurgeEnableKey))
{
diagnostics.Add("NServiceBus.Transport.SqlServer.ExpiredMessagesPurger", new
{
Enabled = false,
});
expiredMessagesPurger = new NoOpExpiredMessagesPurger();
validateExpiredIndex = false;
}
else
{
var purgeBatchSize = settings.HasSetting(SettingsKeys.PurgeBatchSizeKey) ? settings.Get <int?>(SettingsKeys.PurgeBatchSizeKey) : null;
diagnostics.Add("NServiceBus.Transport.SqlServer.ExpiredMessagesPurger", new
{
Enabled = true,
BatchSize = purgeBatchSize
});
expiredMessagesPurger = new ExpiredMessagesPurger(_ => connectionFactory.OpenNewConnection(), purgeBatchSize);
validateExpiredIndex = true;
}
var schemaVerification = new SchemaInspector(queue => connectionFactory.OpenNewConnection(), validateExpiredIndex);
Func <string, TableBasedQueue> queueFactory = queueName => new TableBasedQueue(addressTranslator.Parse(queueName).QualifiedTableName, queueName, !isEncrypted);
//Create delayed delivery infrastructure
CanonicalQueueAddress delayedQueueCanonicalAddress = null;
if (settings.GetOrDefault <bool>(SettingsKeys.DisableDelayedDelivery) == false)
{
if (!settings.TryGet(SettingsKeys.DelayedDeliverySuffix, out string suffix))
{
suffix = "Delayed";
}
if (!settings.TryGet(SettingsKeys.DelayedDeliveryInterval, out TimeSpan interval))
{
interval = TimeSpan.FromSeconds(1);
}
if (!settings.TryGet(SettingsKeys.DelayedDeliveryMatureBatchSize, out int matureBatchSize))
{
matureBatchSize = 100;
}
settings.AddStartupDiagnosticsSection("NServiceBus.Transport.SqlServer.DelayedDelivery", new
{
Native = true,
Suffix = suffix,
Interval = interval,
BatchSize = matureBatchSize,
});
delayedQueueCanonicalAddress = GetDelayedTableAddress(suffix);
var inputQueueTable = addressTranslator.Parse(ToTransportAddress(logicalAddress())).QualifiedTableName;
var delayedMessageTable = new DelayedMessageTable(delayedQueueCanonicalAddress.QualifiedTableName, inputQueueTable);
//Allows dispatcher to store messages in the delayed store
delayedMessageStore = delayedMessageTable;
dueDelayedMessageProcessor = new DueDelayedMessageProcessor(delayedMessageTable, connectionFactory, interval, matureBatchSize);
}
return(new TransportReceiveInfrastructure(
() => new MessagePump(receiveStrategyFactory, queueFactory, queuePurger, expiredMessagesPurger, queuePeeker, queuePeekerOptions, schemaVerification, waitTimeCircuitBreaker),
() => new QueueCreator(connectionFactory, addressTranslator, delayedQueueCanonicalAddress, createMessageBodyComputedColumn),
() => ValidateDatabaseAccess(scopeOptions.TransactionOptions)));
}