public override async Task <CreateResp> Create(CreateReq request, ServerCallContext context)
{
var createPersistentSubscriptionSource = new TaskCompletionSource <CreateResp>();
var settings = request.Options.Settings;
var correlationId = Guid.NewGuid();
var user = context.GetHttpContext().User;
if (!await _authorizationProvider.CheckAccessAsync(user,
CreateOperation, context.CancellationToken).ConfigureAwait(false))
{
throw AccessDenied();
}
string streamId = null;
switch (request.Options.StreamOptionCase)
{
case StreamOptionOneofCase.Stream:
case StreamOptionOneofCase.None: /*for backwards compatibility*/
{
StreamRevision startRevision;
if (request.Options.StreamOptionCase == StreamOptionOneofCase.Stream)
{
streamId = request.Options.Stream.StreamIdentifier;
startRevision = request.Options.Stream.RevisionOptionCase switch {
RevisionOptionOneofCase.Revision => new StreamRevision(request.Options.Stream.Revision),
RevisionOptionOneofCase.Start => StreamRevision.Start,
RevisionOptionOneofCase.End => StreamRevision.End,
_ => throw new InvalidOperationException()
};
}
else /*for backwards compatibility*/
{
#pragma warning disable 612
streamId = request.Options.StreamIdentifier;
startRevision = new StreamRevision(request.Options.Settings.Revision);
#pragma warning restore 612
}
_publisher.Publish(
new ClientMessage.CreatePersistentSubscriptionToStream(
correlationId,
correlationId,
new CallbackEnvelope(HandleCreatePersistentSubscriptionCompleted),
streamId,
request.Options.GroupName,
settings.ResolveLinks,
startRevision.ToInt64(),
settings.MessageTimeoutCase switch {
CreateReq.Types.Settings.MessageTimeoutOneofCase.MessageTimeoutMs => settings
.MessageTimeoutMs,
CreateReq.Types.Settings.MessageTimeoutOneofCase.MessageTimeoutTicks => (int)TimeSpan
.FromTicks(settings.MessageTimeoutTicks).TotalMilliseconds,
_ => 0
},
settings.ExtraStatistics,
settings.MaxRetryCount,
settings.HistoryBufferSize,
settings.LiveBufferSize,
settings.ReadBatchSize,
settings.CheckpointAfterCase switch {
CreateReq.Types.Settings.CheckpointAfterOneofCase.CheckpointAfterMs => settings
.CheckpointAfterMs,
CreateReq.Types.Settings.CheckpointAfterOneofCase.CheckpointAfterTicks => (int)TimeSpan
.FromTicks(settings.CheckpointAfterTicks).TotalMilliseconds,
_ => 0
},
