/// <summary>
/// Starts listening for messages
/// </summary>
public void StartListening()
{
// Queue name
var queueName = QueueHandler.GetType().FullName;
// Creates the exchange and queue
if (ExchangeInfo == null)
{
ExchangeInfo = RabbitHelper.CreateExchange(Configuration);
// Coda
ExchangeInfo.Channel.QueueDeclare(queue: queueName, durable: true, exclusive: false, autoDelete: false);
// Routing key
var routingKey = typeof(TMessage).FullName;
// Binding
ExchangeInfo.Channel.QueueBind(queueName, ExchangeInfo.ExchangeName, routingKey);
}
;
// Create a consumer
Consumer = new EventingBasicConsumer(ExchangeInfo.Channel);
Consumer.Received += (model, arg) => {
var json = Encoding.UTF8.GetString(arg.Body);
var obj = JsonConvert.DeserializeObject <TMessage>(json);
QueueHandler.HandleMessage(obj);
ExchangeInfo.Channel.BasicAck(deliveryTag: arg.DeliveryTag, multiple: false);
};
ExchangeInfo.Channel.BasicConsume(queueName, autoAck: false, consumer: Consumer);
}
/// <summary>
/// Send a message to the queue
/// </summary>
/// <param name="message">Message to send</param>
/// <param name="ttl">Time To Live (0 = forever)</param>
public void Send(TMessage message, long ttl = 0)
{
if (ExchangeInfo == null)
{
ExchangeInfo = RabbitHelper.CreateExchange(Configuration);
}
var routingKey = typeof(TMessage).FullName;
IBasicProperties props = ExchangeInfo.Channel.CreateBasicProperties();
props.ContentEncoding = "UTF-8";
props.ContentType = "application/json";
props.DeliveryMode = 2;
if (ttl > 0)
{
props.Expiration = ttl.ToString();
}
ExchangeInfo.Channel.BasicPublish(exchange: ExchangeInfo.ExchangeName,
routingKey: routingKey,
body: Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(message)),
basicProperties: props);
}
