IModel EnsureChannel()
{
var lchan = _channel;
if (lchan != null && lchan.IsOpen)
{
return(lchan);
}
if (_factory == null)
{
_factory = rabbitMqConnection.ConfigureConnectionFactory();
}
if (_conn != null && _conn.IsOpen)
{
DisposeChannel();
_channel = _conn?.CreateModel();
return(_channel);
}
DisposeConnection();
var lfac = _factory;
if (lfac == null)
{
throw new Exception("RabbitMq Connection failed to generate a connection factory");
}
lfac.RequestedHeartbeat = 60;
// The exception `RabbitMQ.Client.Exceptions.BrokerUnreachableException` can happen here if sufficient permissions
// are NOT available, or if the network is down:
_conn = lfac.CreateConnection();
_channel = _conn?.CreateModel();
return(_channel);
}