/// <summary>
/// 发布（发布者确认模式）
/// </summary>
/// <typeparam name="T">消息类型</typeparam>
/// <param name="message">消息内容</param>
/// <param name="exChangeName">交换器名称</param>
/// <param name="isNeedDLX">是否需要死信交换器</param>
/// <returns></returns>
public static bool ConfirmsPush <T>(RMQPublishModel <T> publishModel)
{
var exchangeTypeString = RabbitMQBaseHelper.GetExchangeTypeString(publishModel.ExchangeType);
var connection = RabbitMQBaseHelper.CreateMQConnectionInPoolNew();
try
{
using (var channel = connection.CreateModel())//建立通讯信道
{
bool isSuccess = true;
channel.ExchangeDeclare(publishModel.ExchangeName, exchangeTypeString, true, false, null);
//死信交换器
if (publishModel.IsNeedDLX)
{
string dlx_exchange = RabbitMQConstant.DLXPrefix + publishModel.ExchangeName.Trim();
channel.ExchangeDeclare(dlx_exchange, exchangeTypeString, true, false, null);
}
// 开启发送方确认模式
channel.ConfirmSelect();
channel.BasicQos(0, publishModel.SendMessageCount, false); //分发机制为触发式
var properties = channel.CreateBasicProperties();
properties.DeliveryMode = 2; //1表示不持久,2.表示持久化
string msgJson = JsonHelper.SerializeObject(publishModel.Message);
var body = Encoding.UTF8.GetBytes(msgJson);
bool mandatory = true;
channel.BasicPublish(publishModel.ExchangeName, publishModel.RoutingKey, mandatory, properties, body);
channel.BasicReturn += (ch, ea) =>
{
isSuccess = false;
};
channel.WaitForConfirmsOrDie();
return(isSuccess);
}
}
catch (Exception)
{
return(false);
}
finally
{
RabbitMQBaseHelper.ResetMQConnectionToFree(connection);
}
}
public static IModel DefineQueue(IConnection connection, RMQSubscribeModel subscribeModel)
{
var exchangeTypeString = RabbitMQBaseHelper.GetExchangeTypeString(subscribeModel.ExchangeType);
string routingKey = subscribeModel.RoutingKey.Trim();
string queueName = subscribeModel.QueueName.Trim();
string exChangeName = subscribeModel.ExchangeName.Trim();
if (string.IsNullOrEmpty(routingKey))
{
routingKey = queueName;
}
var channel = connection.CreateModel();
//死信交换器
Dictionary <string, object> args = new Dictionary <string, object>();
string dlx_exchange = RabbitMQConstant.DLXPrefix + exChangeName;
string dlx_queue = RabbitMQConstant.DLXPrefix + queueName;
args.Add("x-dead-letter-exchange", dlx_exchange);
args.Add("x-dead-letter-routing-key", routingKey);
channel.ExchangeDeclare(exChangeName, exchangeTypeString, true, false, null);
//死信交换器
if (subscribeModel.IsNeedDLX)
{
channel.QueueDeclare(queueName, true, false, false, args);
}
else
{
channel.QueueDeclare(queueName, true, false, false, null);
}
channel.QueueBind(queueName, exChangeName, routingKey);
if (subscribeModel.IsNeedDLX)
{
channel.ExchangeDeclare(dlx_exchange, exchangeTypeString, true, false, null);
channel.QueueDeclare(dlx_queue, true, false, false, null);
channel.QueueBind(dlx_queue, dlx_exchange, routingKey.Trim());
}
channel.BasicQos(0, subscribeModel.SendMessageCount, false); //分发机制为触发式
return(channel);
}