private async Task <bool> OpenReopenAsync(bool reopen)
{
using (var openCts = new CancellationTokenSource())
{
var openCancellation = openCts.Token;
var openTask = Task.Run(
async() => await _handler.OnConnecting(openCancellation).ConfigureAwait(false),
CancellationToken.None
);
try
{
if (reopen && _connection.State == LinkConnectionState.Active)
{
_logger.Debug($"Reopening in {_recoveryInterval.TotalSeconds:0.###}s");
await Task.Delay(_recoveryInterval, _disposeCancellation)
.ConfigureAwait(false);
}
_logger.Debug("Opening");
_model = await _connection
.CreateModelAsync(_disposeCancellation)
.ConfigureAwait(false);
_modelActiveCts = new CancellationTokenSource();
_model.ModelShutdown += ModelOnModelShutdown;
_model.CallbackException += ModelOnCallbackException;
_model.BasicAcks += ModelOnBasicAcks;
_model.BasicNacks += ModelOnBasicNacks;
_model.BasicReturn += ModelOnBasicReturn;
_logger.Debug($"Model created, channel number: {_model.ChannelNumber}");
}
catch (Exception ex)
{
_logger.Error($"Cannot create model: {ex.Message}");
return(false);
}
finally
{
openCts.Cancel();
try
{
await openTask
.ConfigureAwait(false);
}
catch (Exception ex)
{
_logger.Warning($"Connecting handler throws exception: {ex}");
}
}
}
_logger.Debug($"Opened(channelNumber: {_model.ChannelNumber})");
return(true);
}
