/// <summary>
/// 发布执行处理方法
/// </summary>
/// <param name="exchangeName">交换机名称</param>
/// <param name="routingKey"></param>
/// <param name="messageBody"></param>
/// <param name="publishTime">发布时间</param>
/// <param name="durable"></param>
/// <param name="headers"></param>
/// <returns></returns>
public override ResponseResult Publish(string exchangeName, string routingKey, object messageBody, DateTime?publishTime, bool durable, Dictionary <string, object> headers = null)
{
ResponseResult result = new ResponseResult();
if (string.IsNullOrEmpty(routingKey))
{
result.ErrorCode = "500";
result.ErrorMsg = "参数queueName必填";
return(result);
}
if (string.IsNullOrEmpty(exchangeName))
{
result.ErrorCode = "500";
result.ErrorMsg = "参数exchangeName必填";
return(result);
}
if (publishTime.HasValue)
{
result.ErrorCode = "500";
result.ErrorMsg = "Rpc模式下不支持,也不建议定时发送";
return(result);
}
exchangeName = PatternType.GetExchangeName(exchangeName);//解析交换机名称
using (var channel = RabbitmqContext.GetModel())
{
var consumer = new EventingBasicConsumer(channel); //消息接受事件
var replyQueueName = channel.QueueDeclare().QueueName; //回复的队列名称
var basicProperties = channel.CreateBasicProperties();
basicProperties.ReplyTo = replyQueueName; //指定回复的队列名称
basicProperties.MessageId = Guid.NewGuid().ToString("N");
basicProperties.DeliveryMode = durable ? (byte)2 : (byte)1; //持久化方式
basicProperties.CorrelationId = Guid.NewGuid().ToString("N"); //关联Id
basicProperties.Headers = headers ?? new Dictionary <string, object> {
};
basicProperties.Timestamp = new AmqpTimestamp(DateTimeOffset.UtcNow.ToUnixTimeMilliseconds());
BlockingCollection <ResponseResult> resposeQueue = new BlockingCollection <ResponseResult>();
consumer.Received += (sender, eventArgs) =>
{
if (eventArgs.BasicProperties.CorrelationId == basicProperties.CorrelationId)
{
var bodyBytes = eventArgs.Body;
var response = bodyBytes.ToObject <ResponseResult>();
resposeQueue.Add(response);
}
};
channel.BasicConsume(replyQueueName, true, consumer);
channel.BasicPublish(exchangeName, routingKey ?? "", basicProperties, messageBody.ToBytes());
return(resposeQueue.Take());
}
}
/// <summary>
/// 发布执行处理方法
/// </summary>
/// <param name="exchangeName">交换机名称</param>
/// <param name="routingKey"></param>
/// <param name="messageBody">消息内容</param>
/// <param name="publishTime">发布时间</param>
/// <param name="durable">是否持久化</param>
/// <param name="headers">头部信息</param>
/// <returns></returns>
public override ResponseResult Publish(string exchangeName, string routingKey, object messageBody, DateTime?publishTime, bool durable, Dictionary <string, object> headers = null)
{
ResponseResult result = new ResponseResult();
if (string.IsNullOrEmpty(exchangeName))
{
result.ErrorCode = "500";
result.ErrorMsg = "参数exchangeName必填";
return(result);
}
exchangeName = PatternType.GetExchangeName(exchangeName);//解析交换机名称
using (var channel = RabbitmqContext.GetModel())
{
var basicProperties = channel.CreateBasicProperties();
basicProperties.MessageId = Guid.NewGuid().ToString("N");
basicProperties.DeliveryMode = durable ? (byte)2 : (byte)1;//持久化方式
basicProperties.Headers = headers ?? new Dictionary <string, object> {
};
basicProperties.Timestamp = new AmqpTimestamp(DateTimeOffset.UtcNow.ToUnixTimeMilliseconds());
if (publishTime.HasValue)
{
DateTime ctime = DateTime.Now;
if (publishTime.Value < ctime)
{
result.ErrorCode = "500";
result.ErrorMsg = "发布时间必须要大于系统当前时间";
return(result);
}
routingKey = exchangeName.GetTaskRoutingKey();
var arguments = new Dictionary <string, object>
{
{ "x-dead-letter-exchange", exchangeName },
{ "x-dead-letter-routing-key", routingKey }
};
channel.ExchangeDeclare(exchangeName, "fanout"); //声明交换机
channel.QueueDeclare(routingKey, durable, false, false, arguments: arguments); //声明队列
channel.QueueBind(routingKey, RabbitmqContext.TaskExchangeName, routingKey);
basicProperties.Expiration = ((int)publishTime.Value.Subtract(ctime).TotalMilliseconds).ToString(); //设置过期时间
channel.BasicPublish("", routingKey, basicProperties, messageBody.ToBytes()); //发布消息到任务队列(这里必须走默认交换机通道)
}
else
{
channel.ExchangeDeclare(exchangeName, "fanout");//声明交换机
channel.BasicPublish(exchangeName, "", basicProperties, messageBody.ToBytes());
result.Success = true;
}
}
return(result);
}