// 获取指定key对应的主设备节点
private RedisClient GetRedisClient(string[] keys)
{
//for multiple keys, only execute if they all share the same connection slot.
if (keys == null || keys.Length == 0)
{
throw new ArgumentNullException("keys");
}
int slot = CRC16.GetSlot(keys[0]);
if (keys.Length > 1)
{
for (int i = 1; i < keys.Length; i++)
{
int nextSlot = CRC16.GetSlot(keys[i]);
if (slot != nextSlot)
{
throw new Exception("No way to dispatch this command to Redis Cluster because keys have different slots.");
}
}
}
if (!_redisClientManagers.ContainsKey(slot))
{
throw new SlotNotFoundException(string.Format("No reachable node in cluster for slot {{{0}}}", slot), slot, keys[0]);
}
var pool = _redisClientManagers[slot];
return((RedisClient)pool.GetClient());
}
// 获取指定key对应的主设备节点
private RedisClient GetRedisClient(string key)
{
if (string.IsNullOrEmpty(key))
{
throw new ArgumentNullException("key");
}
int slot = CRC16.GetSlot(key);
if (!_redisClientManagers.ContainsKey(slot))
{
throw new SlotNotFoundException(string.Format("No reachable node in cluster for slot {{{0}}}", slot), slot, key);
}
var pool = _redisClientManagers[slot];
return((RedisClient)pool.GetClient());
}
