/// <summary>
/// 接收消息
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="queueInfo"></param>
/// <param name="handler"></param>
public IModel ReceiveMessage <T>(RabbitMqQueueModel queueInfo, Func <T, CancellationToken, Task> handler)
{
if (queueInfo == null)
{
throw new ArgumentException("消息上不具有任何特性");
}
if (handler == null)
{
throw new NullReferenceException("处理事件为null");
}
var channel = GetOrAddModel(queueInfo.ExchangeName, queueInfo.QueueName, queueInfo.RouteKey,
queueInfo.ExchangeType, queueInfo.Durable);
channel.BasicQos(0, 1, false);
var consumer = new EventingBasicConsumer(channel);
channel.BasicConsume(queueInfo.QueueName, false, consumer);
consumer.Received += async(model, ea) => { await _doAsync(channel, ea, handler); };
return(channel);
}
/// <summary>
/// 发送消息
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="messageObj"></param>
/// <param name="queueInfo"></param>
public void SendMessage <T>(T messageObj, RabbitMqQueueModel queueInfo) where T : class
{
if (queueInfo == null)
{
throw new ArgumentException("消息上不具有任何特性");
}
var channel = GetOrAddModel(queueInfo.ExchangeName, queueInfo.QueueName, queueInfo.RouteKey,
queueInfo.ExchangeType, queueInfo.Durable);
var properties = channel.CreateBasicProperties();
properties.DeliveryMode = 2;
channel.ConfirmSelect();
var body = Encoding.UTF8.GetBytes(JsonSerializer.Serialize(messageObj));
channel.BasicPublish(queueInfo.ExchangeName, queueInfo.RouteKey, properties, body);
bool isOk = channel.WaitForConfirms();
if (!isOk)
{
_logger.LogError("发布消息至对列确认失败。队列内容：{0}", JsonSerializer.Serialize(messageObj));
}
}
