/// <summary>
/// 接收消息
/// </summary>
/// <param name="exchange">交换机</param>
/// <param name="queue">队列名称</param>
/// <param name="routingKey">路由</param>
/// <param name="isProperties">是否持久化</param>
/// <param name="handler">消费处理</param>
/// <param name="isDeadLetter"></param>
internal void Subscribe(string exchange, string queue, string routingKey, bool isProperties, Action <string, MqDirectKey> handler, bool isDeadLetter)
{
//队列声明
var channel = GetModel(exchange, queue, routingKey, isProperties);
var consumer = new EventingBasicConsumer(channel);
consumer.Received += (model, ea) =>
{
var body = ea.Body;
var msgStr = body.DeserializeUtf8();
MqDirectKey directKey = GetDirectKey(exchange, queue, routingKey);
try
{
handler(msgStr, directKey);
}
catch (Exception ex)
{
//ex.GetInnestException().WriteToFile("队列接收消息", "RabbitMq");
if (!isDeadLetter)
{
PublishToDead <DeadLetterQueue>(queue, msgStr, ex);
}
}
finally
{
channel.BasicAck(ea.DeliveryTag, false);
}
};
channel.BasicConsume(queue, false, consumer);
}
internal MqDirectKey GetDirectKey(string exchange, string queueName, string routingKey)
{
int key = MergeRoutingInfo(exchange, queueName, routingKey).GetHashCode();
MqDirectKey directKey = null;
if (RabbitMqMessageRoutingkeyValue.ContainsKey(key))
{
directKey = RabbitMqMessageRoutingkeyValue[key];
}
else
{
directKey = new MqDirectKey()
{
ExchangeName = exchange,
QueueName = queueName,
RoutingKey = routingKey
};
RabbitMqMessageRoutingkeyValue[key] = directKey;
}
return(directKey);
}
/// <summary>
/// 获取消息
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="exchange"></param>
/// <param name="queue"></param>
/// <param name="routingKey"></param>
/// <param name="handler">消费处理</param>
internal void Pull(string exchange, string queue, string routingKey, Action <string, MqDirectKey> handler)
{
var channel = GetModel(exchange, queue, routingKey);
MqDirectKey directKey = GetDirectKey(exchange, queue, routingKey);
var result = channel.BasicGet(queue, false);
if (ObjectExtension.IsNull(result))
{
return;
}
var msg = result.Body.DeserializeUtf8();
try
{
handler(msg, directKey);
}
finally
{
channel.BasicAck(result.DeliveryTag, false);
}
}
