public Task PublishAsync(Type messageType, object message)
{
AssertUtils.IsNotNull(message, "消息不能null");
var topic = GetTopic(messageType);
var wrapMessage = new RabbitMessageBusData {
Type = topic, Data = _options.Serializer.Serialize(message), ExecuteTimeStamp = DateUtils.GetTimeStamp(DateTime.Now)
};
var data = _options.Serializer.Serialize(wrapMessage);
this._producer.ProduceAsync(topic, data);
return(Task.CompletedTask);
}
public async Task PublishDelayAsync(Type messageType, object message, TimeSpan delay)
{
AssertUtils.IsNotNull(message, "消息不能null");
if (delay > TimeSpan.Zero)
{ //加入延迟队列
var topic = GetTopic(messageType);
var wrapMessage = new RabbitMessageBusData {
Type = topic, Data = _options.Serializer.Serialize(message), ExecuteTimeStamp = DateUtils.GetTimeStamp(DateTime.Now.Add(delay))
};
var data = _options.Serializer.Serialize(wrapMessage);
this._producer.ProduceDelayAsync(topic, data, delay);
}
else
{
await this.PublishAsync(messageType, message);
}
}
/// <summary>
/// 执行消费事件
/// </summary>
/// <param name="obj"></param>
/// <returns></returns>
private async Task <bool> Handler(RabbitMessageBusData obj)
{
var isSuccess = true; //失败标识需要重试
if (OnMessage == null)
{
return(isSuccess);
}
try
{
isSuccess = await OnMessage(obj);
}
catch (Exception ex)
{
_logger.LogError(ex, $"rabbitMQ消费失败, topic={obj.Type}，group={_groupId}");
isSuccess = false;
}
return(isSuccess);
}
/// <summary>
/// 加入延迟队列重试
/// </summary>
/// <param name="data"></param>
private void ExecuteErrorToDelayTask(RabbitMessageBusData data)
{
if (data.ErrorCount < _options.MaxErrorReTryCount)
{
var delay = TimeSpan.FromSeconds(GetDelaySecond(data.ErrorCount));
data.ErrorCount++;
data.ErrorGroupId = _groupId;
data.ExecuteTimeStamp = DateUtils.GetTimeStamp(DateTime.Now.Add(delay));
var delayData = _options.Serializer.Serialize(data);
if (delay > TimeSpan.Zero)
{
_producer.ProduceDelayAsync(data.Type, delayData, delay);
}
else //立即重试的情况
{
_producer.ErrorReProduceAsync(data.Type, data.ErrorGroupId, delayData);
}
}
}
