private TcpPackage WrapPersistentSubscriptionConfirmationV1(ClientMessage.PersistentSubscriptionConfirmation msg)
{
var dto = new TcpClientMessageDto.PersistentSubscriptionConfirmation(msg.LastCommitPosition, msg.SubscriptionId,
msg.LastEventNumber == null ? msg.LastEventNumber : StreamVersionConverter.Downgrade(msg.LastEventNumber.Value));
return(new TcpPackage(TcpCommand.PersistentSubscriptionConfirmation, msg.CorrelationId, dto.Serialize()));
}
WrapPersistentSubscriptionConfirmation(ClientMessage.PersistentSubscriptionConfirmation msg)
{
var dto = new TcpClientMessageDto.PersistentSubscriptionConfirmation(msg.LastIndexedPosition,
msg.SubscriptionId, msg.LastEventNumber);
return(new TcpPackage(TcpCommand.PersistentSubscriptionConfirmation, msg.CorrelationId, dto.Serialize()));
}
public void Handle(ClientMessage.ConnectToPersistentSubscription message)
{
if (!_started)
{
return;
}
var streamAccess = _readIndex.CheckStreamAccess(
message.EventStreamId, StreamAccessType.Read, message.User);
if (!streamAccess.Granted)
{
message.Envelope.ReplyWith(new ClientMessage.SubscriptionDropped(message.CorrelationId,
SubscriptionDropReason.AccessDenied));
return;
}
List <PersistentSubscription> subscribers;
if (!_subscriptionTopics.TryGetValue(message.EventStreamId, out subscribers))
{
message.Envelope.ReplyWith(new ClientMessage.SubscriptionDropped(message.CorrelationId,
SubscriptionDropReason.NotFound));
return;
}
var key = BuildSubscriptionGroupKey(message.EventStreamId, message.SubscriptionId);
PersistentSubscription subscription;
if (!_subscriptionsById.TryGetValue(key, out subscription))
{
message.Envelope.ReplyWith(new ClientMessage.SubscriptionDropped(message.CorrelationId,
SubscriptionDropReason.NotFound));
return;
}
if (subscription.HasReachedMaxClientCount)
{
message.Envelope.ReplyWith(new ClientMessage.SubscriptionDropped(message.CorrelationId,
SubscriptionDropReason.SubscriberMaxCountReached));
return;
}
Log.Debug("New connection to persistent subscription {subscriptionKey} by {connectionId}", key,
message.ConnectionId);
var lastEventNumber = _readIndex.GetStreamLastEventNumber(message.EventStreamId);
var lastCommitPos = _readIndex.LastIndexedPosition;
var subscribedMessage =
new ClientMessage.PersistentSubscriptionConfirmation(key, message.CorrelationId, lastCommitPos,
lastEventNumber);
message.Envelope.ReplyWith(subscribedMessage);
var name = message.User == null ? "anonymous" : message.User.Identity.Name;
subscription.AddClient(message.CorrelationId, message.ConnectionId, message.ConnectionName, message.Envelope,
message.AllowedInFlightMessages, name, message.From);
}
public void when_wrapping_persistent_subscription_confirmation_with_null_last_event_number_should_not_change()
{
var msg = new ClientMessage.PersistentSubscriptionConfirmation("subscription", Guid.NewGuid(), 100, null);
var package = _dispatcher.WrapMessage(msg, _version);
Assert.IsNotNull(package, "Package is null");
Assert.AreEqual(TcpCommand.PersistentSubscriptionConfirmation, package.Value.Command, "TcpCommand");
var dto = package.Value.Data.Deserialize <TcpClientMessageDto.PersistentSubscriptionConfirmation>();
Assert.IsNotNull(dto, "DTO is null");
Assert.IsNull(dto.LastEventNumber, "Last event number");
}
public void when_wrapping_persistent_subscription_confirmation_when_stream_deleted_should_not_downgrade_last_event_number_for_v2_clients()
{
var msg = new ClientMessage.PersistentSubscriptionConfirmation("subscription", Guid.NewGuid(), 100, long.MaxValue);
var package = _dispatcher.WrapMessage(msg, (byte)ClientVersion.V2);
Assert.IsNotNull(package, "Package is null");
Assert.AreEqual(TcpCommand.PersistentSubscriptionConfirmation, package.Value.Command, "TcpCommand");
var dto = package.Value.Data.Deserialize <TcpClientMessageDto.PersistentSubscriptionConfirmation>();
Assert.IsNotNull(dto, "DTO is null");
Assert.AreEqual(long.MaxValue, dto.LastEventNumber, "Last event number");
}
public void Handle(ClientMessage.PersistentSubscriptionConfirmation message)
{
ConfirmSubscription(message.CorrelationId, message.LastCommitPosition, message.LastEventNumber);
}