public async Task Register(string query)
{
if (StreamHandler.queriesToUsers.ContainsKey(query))
{
StreamHandler.queriesToUsers[query].Add(Context.ConnectionId);
}
else
{
StreamHandler.queriesToUsers.Add(query, new List <string>()
{
Context.ConnectionId
});
}
var tokenSource = new CancellationTokenSource();
CurrentTasks.TryAdd(query, new TwitterTaskData
{
CancelToken = tokenSource,
Id = query,
Status = "Initializing."
});
await Groups.Add(Context.ConnectionId, query);
try
{
var task = TwitterStream.StartStream(query, tokenSource.Token);
await task;
}
catch (AggregateException e) when(e.InnerException is OperationCanceledException)
{
}
}
public async Task StartTwitterLive()
{
var tokenSource = new CancellationTokenSource();
var taskId = string.Format("T-{0}", Guid.NewGuid());
CurrentTasks.TryAdd(taskId, new TwitterTaskData
{
CancelToken = tokenSource,
Id = taskId,
Status = "Started."
});
await Clients.Caller.setTaskId(taskId);
var task = TwitterStream.StartStream(tokenSource.Token);
await task;
}