public static void AddRabbitMQ(this ShriekOptionBuilder builder, Action <RabbitMqOptions> optionAction)
{
var option = new RabbitMqOptions();
optionAction(option);
var factory = new ConnectionFactory()
{
HostName = option.HostName,
UserName = option.UserName,
Password = option.Password
};
//创建连接
var connection = factory.CreateConnection();
//创建通道
var channel = connection.CreateModel();
//声明一个队列 (durable=true 持久化消息）
channel.QueueDeclare(option.QueueName, true, false, false, null);
if (!string.IsNullOrEmpty(option.ExchangeName))
{
channel.ExchangeDeclare(option.ExchangeName, option.ExchangeType, false, false, null);
//将队列绑定到交换机
channel.QueueBind(option.QueueName, option.ExchangeName, option.RouteKey, null);
}
option.Channel = channel;
//事件基本消费者
EventingBasicConsumer consumer = new EventingBasicConsumer(channel);
//接收到消息事件
consumer.Received += (sender, args) =>
{
var msgPackJson = Encoding.UTF8.GetString(args.Body);
var msgPack = JsonConvert.DeserializeObject <MessagePack>(msgPackJson);
var o = JObject.Parse(msgPack.Data);
var messageType = Type.GetType(msgPack.MessageType);
dynamic message = o.ToObject(messageType);
try
{
var subscribers = option.ServiceProvider.GetServices(typeof(IMessageSubscriber <>).MakeGenericType(messageType));
foreach (var sub in subscribers)
{
((dynamic)sub).Execute((dynamic)message);
}
//确认该消息已被消费
channel.BasicAck(args.DeliveryTag, false);
}
catch
{
// ignored
}
};
//启动消费者 设置为手动应答消息
channel.BasicConsume(option.QueueName, false, consumer);
builder.Services.AddSingleton(option.GetType(), x => option);
}
