/// <inheritdoc/>
public override async Task Open(OpenTunnel request, IServerStreamWriter <CommittedEventStreamWithContext> responseStream, ServerCallContext context)
{
try
{
using (var tunnel = new QuantumTunnel(_serializer, responseStream, _logger, context.CancellationToken))
{
var application = request.Application.To <Dolittle.Applications.Application>();
var boundedContext = request.BoundedContext.To <BoundedContext>();
var events = request
.Events
.Select(@event => @event.ToArtifact())
.ToArray();
var tenantOffsets = request.Offsets.ToTenantOffsets();
var subscription = new EventParticleSubscription(events);
_logger.Information($"Opening up a quantum tunnel for bounded context '{boundedContext}' in application '{application}'");
var singularity = new Singularity(application, boundedContext, tunnel, subscription);
_eventHorizon.GravitateTowards(singularity, tenantOffsets);
tunnel.Collapsed += _ => _eventHorizon.Collapse(singularity);
await tunnel.Open(request.Offsets.ToTenantOffsets()).ConfigureAwait(false);
_logger.Information($"Quantum tunnel collapsed for bounded context '{boundedContext}' in application '{application}'");
}
}
catch (Exception ex)
{
_logger.Error(ex, "Problems opening tunnel");
}
await Task.CompletedTask.ConfigureAwait(false);
}
AsyncServerStreamingCall <grpc.CommittedEventStreamWithContext> GetOpenTunnel()
{
var tunnel = new OpenTunnel
{
Application = _destinationKey.Application.ToProtobuf(),
BoundedContext = _destinationKey.BoundedContext.ToProtobuf(),
ClientId = Guid.NewGuid().ToProtobuf()
};
tunnel.Offsets.AddRange(_tenantOffsetRepository.Get(_tenants.All, _destinationKey).Select(_ => _.ToProtobuf()));
tunnel.Events.AddRange(_events.Select(_ => _.ToProtobuf()));
return(_client.Open(tunnel));
}
