public T Get(string key, string region)
{
key = CusKeyHelper.GetKey(_options.RedisOcelotKeyPrefix, region, key);
if (region == nameof(DiffClientRateLimitCounter) && _options.ClusterEnvironment)
{//限流且开启了集群支持，默认从redis取
return(RedisHelper.Get <T>(key));
}
var result = _cache.Get <T>(key);
if (result == null && _options.ClusterEnvironment)
{
result = RedisHelper.Get <T>(key);
if (result != null)
{
if (typeof(T) == typeof(CachedResponse))
{//查看redis过期时间
var second = RedisHelper.Ttl(key);
if (second > 0)
{
_cache.Set(key, result, TimeSpan.FromSeconds(second));
}
}
else
{
_cache.Set(key, result, TimeSpan.FromSeconds(_options.CacheTime));
}
}
}
return(result);
}
public void Add(string key, T value, TimeSpan ttl, string region)
{
key = CusKeyHelper.GetKey(_options.RedisOcelotKeyPrefix, region, key);
if (_options.ClusterEnvironment)
{
var msg = value.ToJson();
if (typeof(T) == typeof(CachedResponse))
{ //带过期时间的缓存
_cache.Set(key, value, ttl); //添加本地缓存
RedisHelper.Set(key, msg); //加入redis缓存
RedisHelper.Publish(key, msg); //发布
}
else if (typeof(T) == typeof(DiffClientRateLimitCounter?))
{//限流缓存，直接使用redis
RedisHelper.Set(key, value, (int)ttl.TotalSeconds);
}
else
{ //正常缓存,发布
_cache.Set(key, value, ttl); //添加本地缓存
RedisHelper.Set(key, msg); //加入redis缓存
RedisHelper.Publish(key, msg); //发布
}
}
else
{
_cache.Set(key, value, ttl); //添加本地缓存
}
}