public void Handle(ClientMessage.FilteredSubscribeToStream msg)
{
var streamAccess = _readIndex.CheckStreamAccess(
msg.EventStreamId.IsEmptyString() ? SystemStreams.AllStream : msg.EventStreamId, StreamAccessType.Read,
msg.User);
if (streamAccess.Granted)
{
var lastEventNumber = msg.EventStreamId.IsEmptyString()
? (long?)null
: _readIndex.GetStreamLastEventNumber(msg.EventStreamId);
var lastCommitPos = _readIndex.LastIndexedPosition;
SubscribeToStream(msg.CorrelationId, msg.Envelope, msg.ConnectionId, msg.EventStreamId,
msg.ResolveLinkTos, lastCommitPos, lastEventNumber, msg.EventFilter,
msg.CheckpointInterval);
var subscribedMessage =
new ClientMessage.SubscriptionConfirmation(msg.CorrelationId, lastCommitPos, lastEventNumber);
msg.Envelope.ReplyWith(subscribedMessage);
}
else
{
msg.Envelope.ReplyWith(
new ClientMessage.SubscriptionDropped(msg.CorrelationId, SubscriptionDropReason.AccessDenied));
}
}
private TcpPackage WrapSubscribedToStreamV1(ClientMessage.SubscriptionConfirmation msg)
{
var dto = new TcpClientMessageDto.SubscriptionConfirmation(msg.LastCommitPosition,
msg.LastEventNumber == null ? msg.LastEventNumber : StreamVersionConverter.Downgrade(msg.LastEventNumber.Value));
return(new TcpPackage(TcpCommand.SubscriptionConfirmation, msg.CorrelationId, dto.Serialize()));
}
public void when_wrapping_subscribe_to_stream_confirmation_with_null_last_event_number_should_not_change()
{
var msg = new ClientMessage.SubscriptionConfirmation(Guid.NewGuid(), 100, null);
var package = _dispatcher.WrapMessage(msg, _version);
Assert.IsNotNull(package, "Package is null");
Assert.AreEqual(TcpCommand.SubscriptionConfirmation, package.Value.Command, "TcpCommand");
var dto = package.Value.Data.Deserialize <TcpClientMessageDto.SubscriptionConfirmation>();
Assert.IsNotNull(dto, "DTO is null");
Assert.IsNull(dto.LastEventNumber);
}
when_wrapping_subscribe_to_stream_confirmation_when_stream_deleted_should_not_downgrade_last_event_number_for_v2_clients()
{
var msg = new ClientMessage.SubscriptionConfirmation(Guid.NewGuid(), 100, long.MaxValue);
var package = _dispatcher.WrapMessage(msg, (byte)ClientVersion.V2);
Assert.IsNotNull(package, "Package is null");
Assert.AreEqual(TcpCommand.SubscriptionConfirmation, package.Value.Command, "TcpCommand");
var dto = package.Value.Data.Deserialize <TcpClientMessageDto.SubscriptionConfirmation>();
Assert.IsNotNull(dto, "DTO is null");
Assert.AreEqual(long.MaxValue, dto.LastEventNumber, "Last Event Number");
}
public void Handle(ClientMessage.SubscribeToStream msg)
{
var lastEventNumber = msg.EventStreamId.IsEmptyString()
? (long?)null
: _readIndex.GetStreamLastEventNumber(msg.EventStreamId);
var lastIndexedPos = _readIndex.LastIndexedPosition;
SubscribeToStream(msg.CorrelationId, msg.Envelope, msg.ConnectionId, msg.EventStreamId,
msg.ResolveLinkTos, lastIndexedPos, lastEventNumber, EventFilter.None);
var subscribedMessage =
new ClientMessage.SubscriptionConfirmation(msg.CorrelationId, lastIndexedPos, lastEventNumber);
msg.Envelope.ReplyWith(subscribedMessage);
}
private TcpPackage WrapSubscribedToStream(ClientMessage.SubscriptionConfirmation msg)
{
var dto = new TcpClientMessageDto.SubscriptionConfirmation(msg.LastCommitPosition, msg.LastEventNumber);
return(new TcpPackage(TcpCommand.SubscriptionConfirmation, msg.CorrelationId, dto.Serialize()));
}
