C# IRedisSubscription连接
我正在使用服务堆栈连接到Redis并使用子包功能 我是否应该保持IRedisSubscription和IRedisClient实例化处于活动状态?例如,我应该将其分配给类级别变量吗 或者我可以简单地在using语句中定义它的范围,服务堆栈将处理持久性 也就是说,以下哪个示例是正确的: 公共类RedisPubSub1:IDisposable{C# IRedisSubscription连接,c#,redis,servicestack,C#,Redis,servicestack,我正在使用服务堆栈连接到Redis并使用子包功能 我是否应该保持IRedisSubscription和IRedisClient实例化处于活动状态?例如,我应该将其分配给类级别变量吗 或者我可以简单地在using语句中定义它的范围,服务堆栈将处理持久性 也就是说,以下哪个示例是正确的: 公共类RedisPubSub1:IDisposable{ private static PooledRedisClientManager ClientPool = new PooledRedisClient
private static PooledRedisClientManager ClientPool = new PooledRedisClientManager("connectionString");
private IRedisSubscription _subscription;
private IRedisClient _client;
private Action<string, string> _publish;
public event Action<string, string> Publish {
add { _publish += value; }
remove { _publish -= value; }
}
public RedisPubSub1()
{
Task.Factory.StartNew(() =>
{
_client = ClientPool.GetClient();
_subscription = _client.CreateSubscription();
{
_subscription.OnMessage = EnqueEvent;
_subscription.SubscribeToChannels(new string[] { Channel });
}
});
}
private void EnqueEvent(string channel, string message)
{
if (_publish!= null)
_publish(channel, message);
}
public void Dispose()
{
_subscription.Dispose();
_client.Dispose();
}
} }
private static PooledRedisClientManager客户端池=新的PooledRedisClientManager(“connectionString”);
私人IRedisSubscription(认购);;
私人iRediclient\u客户;
私人行动——出版;
公共活动行动发布{
添加{u publish+=value;}
删除{u publish-=value;}
}
公共图书馆1()
{
Task.Factory.StartNew(()=>
{
_client=ClientPool.GetClient();
_订阅=_client.CreateSubscription();
{
_subscription.OnMessage=EnqueEvent;
_subscription.SubscribeToChannels(新字符串[]{Channel});
}
});
}
私有void EnqueEvent(字符串通道、字符串消息)
{
如果(_publish!=null)
_发布(频道、消息);
}
公共空间处置()
{
_subscription.Dispose();
_client.Dispose();
}
} }
或
公共类重新发布子2{
private static PooledRedisClientManager ClientPool = new PooledRedisClientManager("connectionString");
private Action<string, string> _publish;
public event Action<string, string> Publish {
add { _publish += value; }
remove { _publish -= value; }
}
public RedisPubSub2()
{
Task.Factory.StartNew(() =>
{
using(var _client = ClientPool.GetClient())
{
using(_subscription = _client.CreateSubscription()
{
_subscription.OnMessage = EnqueEvent;
_subscription.SubscribeToChannels(new string[] { Channel });
}
}
});
}
private void EnqueEvent(string channel, string message)
{
if (_publish!= null)
_publish(channel, message);
} }
private static PooledRedisClientManager客户端池=新的PooledRedisClientManager(“connectionString”);
私人行动——出版;
公共活动行动发布{
添加{u publish+=value;}
删除{u publish-=value;}
}
公共图书馆2(
{
Task.Factory.StartNew(()=>
{
使用(var\u client=ClientPool.GetClient())
{
使用(_subscription=_client.CreateSubscription()
{
_subscription.OnMessage=EnqueEvent;
_subscription.SubscribeToChannels(新字符串[]{Channel});
}
}
});
}
私有void EnqueEvent(字符串通道、字符串消息)
{
如果(_publish!=null)
_发布(频道、消息);
} }
SubscribeToChannels处于阻塞状态,因此您是否保留对连接的引用并不重要,因为除非您结束订阅(即取消订阅),否则它不会处理 建议您在需要时实现某种方式来取消订阅,这是您希望对持有活动订阅的线程执行的操作,如中所示,例如:
谢谢!我想知道为什么那个呼叫被阻止了,现在有道理了。嗨,我有个问题,如果redis服务器重新启动,它会停止阻止并继续吗?我们注意到订阅在redis服务器重新启动后停止接收消息。我最初的计划是循环订阅,以便订阅方可以恢复丢失的连接动作。@代码语言学家此API映射到Redis Pub/Sub命令附近,上面的示例不包括任何失败的Redis服务器实例的自动恢复逻辑。您可以用于在连接失败时自动重新连接的托管订阅。
using (var subscription = redisClient.CreateSubscription())
{
subscription.OnUnSubscribe = channel =>
Log.Debug("OnUnSubscribe: " + channel);
subscription.OnMessage = (channel, msg) =>
{
if (msg == "STOP")
{
Log.Debug("UnSubscribe From All Channels...");
subscription.UnSubscribeFromAllChannels(); //Un block thread.
return;
}
handleMessage(msg);
}
...
//Unsubscribing will unblock this subscription:
subscription.SubscribeToChannels(QueueNames.TopicIn); //blocks thread
}