internal uint QueueConsumerCount(IMessageConnector connector, string queueName)
{
try
{
uint ret = 0;
QueueDeclareOk ok = null;
IModel channel = GetAssociatedChannel(connector);
if (channel != null)
{
ok = channel.QueueDeclarePassive(queueName);
}
else if (IsConnect)
{
using (channel = CreateChannel(connector))
{
ok = channel.QueueDeclarePassive(queueName);
}
}
if (ok != null)
{
ret = ok.ConsumerCount;
}
return(ret);
}
catch (RabbitMQ.Client.Exceptions.OperationInterruptedException ex)
{
_logger.LogWarning(ex.Message);
return(0);
}
catch (Exception e)
{
_logger.LogError(e.Message);
throw;
}
}
internal void Disconnect(IMessageConnector connector, ushort closeCode)
{
if (!RegisteredConnectors.ContainsKey(connector.Id))
{
return;
}
Close(connector, closeCode);
}
private void Close(IMessageConnector connector, ushort closeCode)
{
IModel channel = GetAssociatedChannel(connector);
channel?.Close(closeCode, CloseCodeReasonDictionary[closeCode]);
if (RegisteredConnectors.Count == 0 && IsConnect)
{
_connection.ConnectionShutdown -= OnConnectionShutdown;
_connection.Close(closeCode, CloseCodeReasonDictionary[closeCode]);
_factory = null;
}
}
public IModel CreateChannel(IMessageConnector connector)
{
IModel channel = _connection.CreateModel();
channel.ModelShutdown += (sender, args) =>
{
_logger.LogInformation($"Channel shutdown for connector Id: {connector.Id} - type {connector.GetType().Name} - reason id: {args.ReplyCode} - Text: {args.ReplyText} - Initiator: {args.Initiator}");
RegisteredConnectors.TryRemove(connector.Id, out _);
};
RegisterConnector(connector, channel);
return(channel);
}
internal IModel GetAssociatedChannel(IMessageConnector connector)
{
IModel channel = null;
if (IsConnect && RegisteredConnectors.TryGetValue(connector.Id, out channel))
{
if (channel == null || channel.IsOpen)
{
RegisteredConnectors.TryRemove(connector.Id, out _);
}
}
return(channel);
}
internal void ConsumeQueue(IMessageConnector connector, IModel channel, string queueName, string consumerTag, bool autoAck, IBasicConsumer consumer) => channel.BasicConsume(queueName, autoAck, Guid.NewGuid().ToString(), consumer);
internal void RegisterConnector(IMessageConnector connector, IModel channel)
{
RegisteredConnectors[connector.Id] = channel;
_logger.LogInformation($"Register channel for connector Id: {connector.Id} - type {connector.GetType().Name}.");
}
