private IConnection CreateNewConnection(string brokerName)
{
IConnection connection;
RabbitMQConnectionSetting connectionSetting = _options.GetConnectionSetting(brokerName);
if (connectionSetting == null)
{
Exception ex = new Exception($"无法找到RabbitMQ ，没有对应broker名字的配置，brokername：{brokerName}");
_logger.LogCritical(ex, $"RabbitMQ 配置不对，找不到brokername为{brokerName}的配置");
throw ex;
}
//TODO: add polly here, make sure the connection is established, or just keep trying
//TODO: add log here
ConnectionFactory connectionFactory = new ConnectionFactory
{
Uri = new Uri(connectionSetting.ConnectionString),
NetworkRecoveryInterval = TimeSpan.FromSeconds(_options.NetworkRecoveryIntervalSeconds),
AutomaticRecoveryEnabled = true
};
connection = connectionFactory.CreateConnection();
connection.CallbackException += Connection_CallbackException;
connection.ConnectionBlocked += Connection_ConnectionBlocked;
connection.ConnectionUnblocked += Connection_ConnectionUnblocked;
connection.RecoverySucceeded += Connection_RecoverySucceeded;
connection.ConnectionRecoveryError += Connection_ConnectionRecoveryError;
connection.ConnectionShutdown += Connection_ConnectionShutdown;
return(connection);
}
public async Task <bool> PublishAsync(string brokerName, EventMessage eventMessage)
{
//大量Request线程放入缓存池中，离开
//缓存池内容不能丢，所以用抗击打的Redis来存储
//注意取消息后需要从kvstore删除
if (!IsBrokerExists(brokerName))
{
throw new Exception($"Not exist rabbit broker:{brokerName}");
}
EventMessageEntity eventEntity = new EventMessageEntity(eventMessage.Type, eventMessage.JsonData);
RabbitMQConnectionSetting connectionSetting = _options.GetConnectionSetting(brokerName);
//推送到一个以broker命名的队列中
await _redis.PushAsync(redisInstanceName : connectionSetting.RedisInstanceName, queueName : brokerName, data : eventEntity);
//NotifyPublishToRabbitMQ(brokerName);
return(true);
}
