Controller GetOrCreateController(Link link)
{
Controller controller;
lock (this.SyncRoot)
{
if (!this.controllers.TryGetValue(link.Session.Connection, out controller))
{
Session session = new Session(link.Session.Connection);
controller = new Controller(session);
controller.Closed += this.OnControllerClosed;
this.controllers.Add(link.Session.Connection, controller);
}
}
return controller;
}
public async Task<byte[]> EnlistAsync(Link link)
{
if (this.txnid != null)
{
return this.txnid;
}
lock (this.syncRoot)
{
if (this.declareTask == null)
{
this.controller = this.owner.GetOrCreateController(link);
this.declareTask = this.controller.DeclareAsync();
}
}
return this.txnid = await this.declareTask;
}
