/// <summary>
/// Create a WMQ connection factory and set relevant properties.
/// </summary>
/// <returns>A connection factory</returns>
public static IConnectionFactory CreateConnectionFactory(XmsDestination destination)
{
// Create the connection factories factory
XMSFactoryFactory factoryFactory = XMSFactoryFactory.GetInstance(XMSC.CT_WMQ);
// Use the connection factories factory to create a connection factory
IConnectionFactory cf = factoryFactory.CreateConnectionFactory();
// Set the properties
cf.SetStringProperty(XMSC.WMQ_HOST_NAME, destination.HostName);
cf.SetIntProperty(XMSC.WMQ_PORT, destination.Port);
cf.SetStringProperty(XMSC.WMQ_CHANNEL, destination.Channel);
cf.SetIntProperty(XMSC.WMQ_CONNECTION_MODE, XMSC.WMQ_CM_CLIENT);
// since null is not permited for queue manager, pass that as empty string
// so that, while connecting to queue manager, it finds the default queue manager.
cf.SetStringProperty(XMSC.WMQ_QUEUE_MANAGER, destination.Manager);
//cf.SetIntProperty(XMSC.WMQ_BROKER_VERSION, Options.BrokerVersion.ValueAsNumber);
// Integrator
//if (Options.BrokerVersion.ValueAsNumber == XMSC.WMQ_BROKER_V2)
// cf.SetStringProperty(XMSC.WMQ_BROKER_PUBQ, Options.BrokerPublishQueue.Value);
return (cf);
}
public bool Equals(XmsDestination other)
{
if (ReferenceEquals(null, other)) return false;
if (ReferenceEquals(this, other)) return true;
return Equals(other.Queue, Queue) && Equals(other.HostName, HostName) && other.Port == Port &&
Equals(other.Channel, Channel) && Equals(other.Manager, Manager);
}
private XmsPooledProducer PlainProducerFactory(Pool<XmsPooledProducer> pool, XmsDestination destination)
{
log.Info("Going to create new plain producer for destination {0}".FormatWith(destination));
var producer = new XmsProducer(destination, transactional);
var pooled = new XmsPooledProducer(pool, producer);
return pooled;
}
public XmsProducer(XmsDestination destination, bool transactional)
{
this.destination = destination;
this.transactional = transactional;
log.Debug("New physical producer created. About to connect.");
Connect();
log.Debug("New physical producer successfully connected.");
}
private Pool<XmsPooledProducer> PoolFactory(XmsDestination destination)
{
log.Info("Going to create new producer pool for destination {0}".FormatWith(destination));
//TODO: make this configurable
var store = new StackStore<XmsPooledProducer>(60.Seconds(), 30.Seconds());
var pool = new Pool<XmsPooledProducer>(10, p => PlainProducerFactory(p, destination), store);
return pool;
}
public IXmsProducer GetProducer(XmsDestination destination)
{
Pool<XmsPooledProducer> pool;
if (!poolsByDestination.TryGetValue(destination, out pool))
{
lock (locker)
{
pool = poolsByDestination.GetOrAdd(destination, PoolFactory);
}
}
if (IsInTransaction && transactional)
{
log.Debug("Detected transaction scope on transactional provider. Using per scope producer.");
// here we need to keep track of current instances within the current transaction scope
// so we can return the same producers for given current thread, transaction and destination
var key = "{0}|{1}".FormatWith(Transaction.Current.TransactionInformation.LocalIdentifier, destination);
if (!scopedProducers.ContainsKey(key))
{
log.Debug("Detected that there is no pending scoped producer for {0}. Acquiring a new instance.".FormatWith(key));
var pooled = pool.Acquire();
var producer = (XmsProducer)pooled.Producer;
return scopedProducers.GetOrAdd(key, k => new XmsCommitPerScopeProducer(pooled, producer.Session,
() =>
{
log.Debug("Removing pending scoped producer for {0}.".FormatWith(key));
XmsCommitPerScopeProducer _;
scopedProducers.TryRemove(key, out _);
}));
}
log.Debug("Detected pending scoped producer for {0}. Reusing the existing instance.".FormatWith(key));
return scopedProducers[key];
}
if (transactional)
{
var pooled = pool.Acquire();
log.Debug("No transaction scope on transactional provider. Using per call producer.");
var producer = (XmsProducer)pooled.Producer;
return new XmsCommitPerCallProducer(pooled, producer.Session);
}
return pool.Acquire();
}
public IXmsConsumer GetConsumer(XmsDestination destination)
{
Pool<XmsPooledConsumer> pool;
if (!poolsByDestination.TryGetValue(destination, out pool))
{
lock (locker)
{
pool = poolsByDestination.GetOrAdd(destination, PoolFactory);
}
}
var pooled = pool.Acquire();
if (IsInTransaction)
{
log.Debug("Detected transaction scope. Wrapping the consumer in transacted consumer.");
// not very nice, we need ot get the session somehow
var producer = (XmsConsumer)pooled.Consumer;
return new XmsTransactedConsumer(pooled, producer.Session);
}
return pooled;
}
// TODO: test this
public static void PopulateErrorQueueMessage(IBytesMessage toSend, IBM.XMS.IBytesMessage failed, XmsDestination xmsDestination)
{
var body = new byte[failed.BodyLength];
if (body.Length > 0)
{
failed.ReadBytes(body, body.Length);
toSend.WriteBytes(body);
}
toSend.JMSCorrelationID = failed.JMSCorrelationID;
toSend.JMSDeliveryMode = failed.JMSDeliveryMode;
toSend.CopyStringProperty(HEADER_RETURNADDRESS, failed);
toSend.CopyStringProperty(HEADER_IDFORCORRELATION, failed);
toSend.CopyStringProperty(HEADER_WINDOWSIDENTITYNAME, failed);
toSend.CopyStringProperty(HEADER_MESSAGEINTENT, failed);
var keys = failed.GetStringProperty(HEADER_NBSKEYS);
var unwrapedKeys = UnwrapKeys(keys);
foreach (var unwrapedKey in unwrapedKeys)
{
toSend.CopyStringProperty(unwrapedKey, failed);
}
toSend.CopyStringProperty(HEADER_NBSKEYS, failed);
// error queue specific
toSend.SetStringProperty(HEADER_FAILEDQUEUE, xmsDestination.ToString());
var id = failed.GetStringProperty(HEADER_ORIGINALID);
toSend.SetStringProperty(HEADER_ORIGINALID, id);
}
public static int GetCurrentQueueDebth(XmsDestination destination)
{
var manager = new MQQueueManager(destination.Manager, destination.Channel, destination.ConnectionName);
var queue = manager.AccessQueue(destination.Queue, MQC.MQOO_INQUIRE);
int depth = queue.CurrentDepth;
manager.Disconnect();
manager.Close();
return depth;
}
public static int Purge(XmsDestination destination)
{
int i = 0;
var factory = CreateConnectionFactory(destination);
using (var connection = factory.CreateConnection())
{
using (ISession session = connection.CreateSession(false, AcknowledgeMode.AutoAcknowledge))
{
IDestination queue = session.CreateQueue(destination.Queue);
queue.SetIntProperty(XMSC.DELIVERY_MODE, XMSC.DELIVERY_NOT_PERSISTENT);
using (var consumer = session.CreateConsumer(queue))
{
connection.Start();
while (consumer.ReceiveNoWait() != null)
{
++i;
}
}
}
}
return i;
}
