/// <summary>
/// 检验是否启用限流规则
/// </summary>
/// <param name="path">请求地址</param>
/// <returns></returns>
private async Task <bool> CheckReRouteRuleAsync(string path)
{
var region = CzarCacheRegion.ClientRoleModelRegion;
var key = path;
var cacheResult = _ocelotCache.Get(key, region);
if (cacheResult != null)
{//提取缓存数据
return(cacheResult.Role);
}
else
{//重新获取限流策略
var result = await _clientRateLimitRepository.CheckReRouteRuleAsync(path);
_ocelotCache.Add(key, new ClientRoleModel()
{
CacheTime = DateTime.Now, Role = result
}, TimeSpan.FromSeconds(_options.CzarCacheTime), region);
return(result);
}
}
public async Task UpdateClientRoleCache(string path)
{
var region = CzarCacheRegion.ClientRoleModelRegion;
var key = path;
key = CzarOcelotHelper.GetKey(_options.RedisOcelotKeyPrefix, region, key);
var result = await _clientRateLimitRepository.CheckReRouteRuleAsync(path);
var data = new ClientRoleModel()
{
CacheTime = DateTime.Now, Role = result
};
if (_options.ClusterEnvironment)
{
RedisHelper.Set(key, data); //加入redis缓存
RedisHelper.Publish(key, data.ToJson()); //发布事件
}
else
{
_cache.Remove(key);
}
}