/// <summary>
/// Starts a new stream session. Call ExtendSession to extend the session.
/// </summary>
public async Task <StreamSession> OpenStreamAsync(
int streamId,
CancellationToken cancel)
{
var streamConfig = (await GetStreamConfigsAsync(cancel)).FirstOrDefault(s => s.Id == streamId);
if (streamConfig == null)
{
throw new NotFoundException("No stream found by Id");
}
var token = Rando.GetReallyRandomString(30);
var dirToken = Rando.GetReallyRandomString(30);
var session = new StreamSession()
{
Id = Guid.NewGuid(),
StreamId = streamConfig.Id,
StreamName = streamConfig.Name,
Token = token,
Expirers = DateTime.UtcNow.AddSeconds(_Config.ClientSessionTTLSeconds),
TTLSeconds = _Config.ClientSessionTTLSeconds,
Uri = $"Stream/{dirToken}/{StreamName}"
};
lock (_Sync){
_Sessions.Add(session);
}
var ready = new TaskCompletionSource <bool>();
RunStreamAsync(session, streamConfig, dirToken, ready, cancel, _Cancel.Token).LogErrors();
using (cancel.Register(() => {
ready.TrySetCanceled();
}))
{
await ready.Task;
}
return(session);
}