acl/lib_acl_cpp/include/acl_cpp/redis/redis_cluster.hpp

#pragma once
#include "acl_cpp/acl_cpp_define.hpp"
#include <vector>
#include <list>
#include <map>
#include "acl_cpp/stdlib/string.hpp"
#include "acl_cpp/redis/redis_command.hpp"

namespace acl
{

class redis_result;
class redis_node;
class redis_slot;

class ACL_CPP_API redis_cluster : virtual public redis_command
{
public:
	/**
	 * see redis_command::redis_command()
	 */
	redis_cluster();

	/**
	 * see redis_command::redis_command(redis_client*)
	 */
	redis_cluster(redis_client* conn);

	/**
	 * see redis_command::redis_command(redis_client_cluster*<EFBFBD><EFBFBD> size_t)
	 */
	redis_cluster(redis_client_cluster* cluster, size_t max_conns);

	virtual ~redis_cluster();

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӿ<EFBFBD><EFBFBD>õĹ<EFBFBD>ϣ<EFBFBD>ۣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD><EFBFBD> 0 <EFBFBD>Ĺ<EFBFBD>ϣ<EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * add some hash-slots, the last slot value must be < 0 indicating
	 * the end of the slots array
	 * @param first {int} <EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϣ<EFBFBD>ۣ<EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD> >= 0 <EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ч
	 *  the first hash-slot which must be >= 0
	 * @param slot_list {const int[]} Ҫ<EFBFBD><EFBFBD><EFBFBD>ӵĹ<EFBFBD>ϣ<EFBFBD>۵<EFBFBD><EFBFBD>б<EFBFBD>
	 *  the hash-slots array to be added
	 * @param n {size_t} the count of the hash-slots list
	 * @param slot_list {const std::vector<init>&} Ҫ<EFBFBD><EFBFBD><EFBFBD>ӵĹ<EFBFBD>ϣ<EFBFBD>۵<EFBFBD><EFBFBD>б<EFBFBD>
	 *  the hash-slots list to be added
	 * @return {bool} <EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD>
	 *  return true if successful
	 */
	bool cluster_addslots(int first, ...);
	bool cluster_addslots(const int slot_list[], size_t n);
	bool cluster_addslots(const std::vector<int>& slot_list);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϣ<EFBFBD>ۣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD><EFBFBD> 0 <EFBFBD>Ĺ<EFBFBD>ϣ<EFBFBD>۱<EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * remove some hash-slots, the last slot value must be < 0 indicating
	 * the end of the slots array
	 * @param first {int} <EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϣ<EFBFBD>ۣ<EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD> >= 0 <EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ч
	 *  the first hash-slot which must be >= 0
	 * @param slot_list {const int[]} Ҫɾ<EFBFBD><EFBFBD><EFBFBD>Ĺ<EFBFBD>ϣ<EFBFBD>۵<EFBFBD><EFBFBD>б<EFBFBD>
	 *  the hash-slots array to be removed
	 * @param n {size_t} the count of the hash-slots list
	 * @param slot_list {const std::vector<init>&} Ҫɾ<EFBFBD><EFBFBD><EFBFBD>Ĺ<EFBFBD>ϣ<EFBFBD>۵<EFBFBD><EFBFBD>б<EFBFBD>
	 *  the hash-slots array to be removed
	 * @return {bool} <EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD>
	 *  return true if successful
	 */
	bool cluster_delslots(int first, ...);
	bool cluster_delslots(const int slot_list[], size_t n);
	bool cluster_delslots(const std::vector<int>& slot_list);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ij<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϣ<EFBFBD>۵<EFBFBD>ǰ<EFBFBD><EFBFBD><EFBFBD>洢<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * get keys array stored in one specified hash-slot
	 * @param slot {size_t} <EFBFBD><EFBFBD>ϣ<EFBFBD><EFBFBD>ֵ
	 *  the specified hash-slot
	 * @param max {size_t} <EFBFBD><EFBFBD><EFBFBD>ƵĽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 *  limit the max results count
	 * @param result {std::list<acl::string>&} <EFBFBD>洢<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 *  stored the results
	 * @return {int} <EFBFBD><EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĸ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>-1 <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 *  >= 0 if OK, -1 if error
	 */
	int cluster_getkeysinslot(size_t slot, size_t max, std::list<string>& result);

	/**
	 * <EFBFBD>ڽ<EFBFBD><EFBFBD><EFBFBD> redis <EFBFBD><EFBFBD>Ⱥʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD>ô<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD> redis <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӱ<EFBFBD><EFBFBD>Ľ<EFBFBD><EFBFBD><EFBFBD>
	 * let one redis node to link to the other redis node
	 * when buiding the redis cluster
	 * @param ip {const char*} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD> redis <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> IP <EFBFBD><EFBFBD>ַ
	 *  the other redis node's ip to be linked
	 * @param port {int} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD> redis <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> port <EFBFBD>˿<EFBFBD>
	 *  the other redis node's port to be linked
	 * @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD>
	 *  if the linking is successful
	 */
	bool cluster_meet(const char* ip, int port);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD> redis <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬<EFBFBD><EFBFBD>ʹ֮<EFBFBD>Ӽ<EFBFBD>Ⱥ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>룬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϣ<EFBFBD><EFBFBD>-<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ķ<EFBFBD>Ӧ<EFBFBD><EFBFBD>ϵ<EFBFBD><EFBFBD>
	 * <EFBFBD>÷<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬ<EFBFBD><EFBFBD> reset_soft
	 * reset one redis node's status, escaping from the other nodes
	 * of the redis cluster, and clearing slot-to-nodes mapping;
	 * same as reset_soft
	 * @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD>
	 *  if the operation is successful
	 */
	bool cluster_reset();
	bool cluster_reset_hard();
	bool cluster_reset_soft();

	/**
	 * <EFBFBD>趨ij<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϣ<EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD>ǰ redis <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD><EFBFBD><EFBFBD>״̬
	 * set the hash-slot in importing status from the other node
	 * to the current node
	 * @param slot {size_t} <EFBFBD><EFBFBD>ϣ<EFBFBD><EFBFBD>ֵ
	 *  the hash-slot value
	 * @param src_node {const char*} <EFBFBD>ù<EFBFBD>ϣ<EFBFBD>۵<EFBFBD> redis Դ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 *  the source redis-node of the hash-slot importing from
	 * @return {boo} <EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬<EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD>
	 *  if success for setting the slot's status
	 */
	bool cluster_setslot_importing(size_t slot, const char* src_node);

	/**
	 * <EFBFBD>趨ij<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϣ<EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD>ǰ redis <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ǩ<EFBFBD><EFBFBD>״̬
	 * set the hash-slot in migrating status to the other node
	 * from the current node
	 * @param slot {size_t} <EFBFBD><EFBFBD>ϣ<EFBFBD><EFBFBD>ֵ
	 *  the hash-slot value
	 * @param src_node {const char*} <EFBFBD>ù<EFBFBD>ϣ<EFBFBD>۵<EFBFBD> redis Ǩ<EFBFBD><EFBFBD>Ŀ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 *  the target redis-node of the hash-slot migrating to
	 * @return {boo} <EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬<EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD>
	 *  if success for setting the slot's status
	 */
	bool cluster_setslot_migrating(size_t slot, const char* dst_node);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>/Ǩ<EFBFBD>ƹ<EFBFBD>ϣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɺ<EFBFBD>ʹ<EFBFBD>ô˲<EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD>ù<EFBFBD>ϣ<EFBFBD><EFBFBD>Ϊ<EFBFBD>ȶ<EFBFBD>״̬
	 * set the hash-slot stable after importing or migrating
	 * @param slot {size_t} <EFBFBD><EFBFBD>ϣ<EFBFBD><EFBFBD>ֵ
	 *  the hash-slot value
	 * @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬<EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD>
	 *  if success for setting the slot's status
	 */
	bool cluster_setslot_stable(size_t slot);

	/**<2A><><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8><EFBFBD>Ĺ<EFBFBD>ϣ<EFBFBD><CFA3><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD>ij<EFBFBD><C4B3> redis <20><><EFBFBD>㣬<EFBFBD><E3A3AC>ָ<EFBFBD><D6B8><EFBFBD>н<EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD>ӵ<EFBFBD><D3B5><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * <EFBFBD><EFBFBD><EFBFBD>μ<EFBFBD><EFBFBD>ٷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD>
	 * set one hash-slot to one redis node, for more help see online doc
	 * @param slot {size_t} <EFBFBD><EFBFBD>ϣ<EFBFBD><EFBFBD>ֵ
	 *  the hash-slot to be set
	 * @param node {const char*} <EFBFBD><EFBFBD><EFBFBD>ոù<EFBFBD>ϣ<EFBFBD>۵<EFBFBD> redis <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 *  the redis node to be holding the hash-slot
	 * @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD>
	 *  if the operation is successful
	 */
	bool cluster_setslot_node(size_t slot, const char* node);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ij<EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD> redis <EFBFBD><EFBFBD><EFBFBD>㱨<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * get the count of the failure resports by one redis node
	 * @param node {const char*} ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ij<EFBFBD><EFBFBD> redis <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return {int} <EFBFBD><EFBFBD><EFBFBD>㱨<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> >= 0<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ -1 <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 *  return the failure count reporting by the specified redis node,
	 *  return value >= 0 if successful, or -1 for error happened
	 */
	int cluster_count_failure_reports(const char* node);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֻ<EFBFBD>ܷ<EFBFBD><EFBFBD>͸<EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>ӽ<EFBFBD><EFBFBD>㣬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>й<EFBFBD><EFBFBD><EFBFBD>ת<EFBFBD>ƣ<EFBFBD>ʹ<EFBFBD><EFBFBD>ǰ<EFBFBD>Ĵӽ<EFBFBD><EFBFBD><EFBFBD>
	 * <EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>㣬<EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Э<EFBFBD>̣<EFBFBD>ͬʱ<EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ͽ<EFBFBD>
	 * this command can only be sent to one slave node for failover
	 * of the master node, make the current slave to be the master
	 * @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD>
	 *  if the operation is successful
	 */
	bool cluster_failover();

	/**
	 * ǿ<EFBFBD><EFBFBD><EFBFBD>Խ<EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>ӽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>㣬<EFBFBD>ò<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ԭ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Э<EFBFBD>̣<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD>
	 * <EFBFBD><EFBFBD>Ⱥ<EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬ<EFBFBD><EFBFBD>
	 * force a slave to be the master, not handshake with it's master,
	 * but still need get agreement by majority of the masters in cluster
	 * @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD>
	 *  if the operation is successful
	 */
	bool cluster_failover_force();

	/**
	 * ǿ<EFBFBD><EFBFBD><EFBFBD>Խ<EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>ӽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>㣬<EFBFBD>ò<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ԭ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD>Ⱥ<EFBFBD>е<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD>Э<EFBFBD><EFBFBD>
	 * force a slave to be the master, not handshake with it's master,
	 * and also no need get agreement by the other masters in cluster
	 * @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD>
	 *  if the operation is successful
	 */
	bool cluster_failover_takeover();

	/**
	 * <EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD>ǰ<EFBFBD><EFBFBD>Ⱥ<EFBFBD><EFBFBD>һЩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ
	 * get running informantion about the redis cluster
	 * @param result {std::map<acl::string, acl::string>&} <EFBFBD>洢<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 *  store the result of this operation
	 * @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD>
	 *  if this operation is successful
	 */
	bool cluster_info(std::map<string, string>& result);

	/**
	 * <EFBFBD>õ<EFBFBD>ǰ redis <EFBFBD><EFBFBD><EFBFBD>㽫<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̵<EFBFBD> nodes.conf <EFBFBD><EFBFBD>
	 * let the current node to save the cluster information in nodes.conf
	 * @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD>
	 *  if this operation is successful
	 */
	bool cluster_saveconfig();

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ij<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϣ<EFBFBD><EFBFBD><EFBFBD>еĶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * get all the keys's count in one hash-slot
	 * @param slot {size_t} ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϣ<EFBFBD><EFBFBD>
	 *  the specified hash-slot
	 * @return {int} <EFBFBD><EFBFBD><EFBFBD>ع<EFBFBD>ϣ<EFBFBD><EFBFBD><EFBFBD>еĶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>-1 <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 *<EFBFBD><EFBFBD>return the keys's count in the hash-slot, return -1 if error 
	 */
	int cluster_countkeysinslot(size_t slot);

	/**
	 * <EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD>ǰ<EFBFBD>Ľ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƴ<EFBFBD>
	 * remove the specified node from the current node
	 * @param node {const char*} ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD>Ƴ<EFBFBD><EFBFBD>Ľ<EFBFBD><EFBFBD><EFBFBD>
	 *  the speicied node to be removed
	 * @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD>
	 *  if this operation is successful
	 */
	bool cluster_forget(const char* node);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ij<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĺ<EFBFBD>ϣ<EFBFBD><EFBFBD>
	 * get the hash-slot wich the key belongs to
	 * @param key {const char*} <EFBFBD><EFBFBD>ֵ
	 *  the key string
	 * @return {int} <EFBFBD><EFBFBD>ϣ<EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>>= 0 <EFBFBD><EFBFBD>ʾ<EFBFBD>ɹ<EFBFBD><EFBFBD><EFBFBD>-1 <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD><EFBFBD>
	 *  return the key's hash-slot, >= 0 if successful, -1 on error
	 */
	int cluster_keyslot(const char* key);

	/**
	 * <EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD>ӽ<EFBFBD><EFBFBD>㣬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ý<EFBFBD><EFBFBD><EFBFBD>ԭ<EFBFBD><EFBFBD>Ϊ<EFBFBD>ӽ<EFBFBD><EFBFBD>㣬<EFBFBD><EFBFBD>Ҳ<EFBFBD>᷵<EFBFBD>سɹ<EFBFBD>
	 * set the specified node to be a slave node
	 * @param node {const char*} ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʶ<EFBFBD><EFBFBD>
	 *  the specified node
	 * @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD>
	 *  if this operation is successful
	 */
	bool cluster_replicate(const char* node);

	bool cluster_set_config_epoch(const char* epoch);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>й<EFBFBD>ϣ<EFBFBD><EFBFBD><EFBFBD>ڼ<EFBFBD>Ⱥ<EFBFBD>и<EFBFBD><EFBFBD><EFBFBD> redis <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ķֲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * get all nodes with all slots
	 * @return {const std::vector<redis_slot*>*} <EFBFBD><EFBFBD><EFBFBD>ش洢<EFBFBD><EFBFBD>ϣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ
	 *  <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>㼯<EFBFBD>ϣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> NULL <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 *  return all the master nodes with all hash-slots in them,
	 *  and NULL will be returned if error happened, and the return
	 *  value needn't be freed because it can be freed internal
	 */
	const std::vector<redis_slot*>* cluster_slots();
	
	/**
	 * <EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD>ǰ<EFBFBD><EFBFBD>Ⱥ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>н<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>㣬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>дӽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><EFBFBD>
	 * redis_node::get_slaves <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * get all the masters of the cluster, and master's slave nodes
	 * can be got by redis_node::get_slaves
	 * @return {const std::map<string, redis_node*>*} <EFBFBD><EFBFBD><EFBFBD><EFBFBD> NULL <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 *  return NULL if error happened, the return value needn't be
	 *  freed because it can be freed internal
	 */
	const std::map<string, redis_node*>* cluster_nodes();

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>дӽ<EFBFBD><EFBFBD><EFBFBD>
	 * get all slave nodes of the specified master node
	 * @return node {const char*} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> NULL <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 *  <EFBFBD><EFBFBD><EFBFBD>ؽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD>ͷţ<EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD>Զ<EFBFBD>ά<EFBFBD><EFBFBD>
	 *  one of the master node, NULL if error, and the return value
	 *  needn't be freed because it can be freed internal
	 */
	const std::vector<redis_node*>* cluster_slaves(const char* node);

private:
	std::vector<redis_slot*> slots_;

	redis_slot* get_slot_master(const redis_result* rr);
	redis_slot* get_slot(const redis_result* rr,
		size_t slot_max, size_t slot_min);
	void free_slots();

private:
	std::map<string, redis_node*> masters_;

	redis_node* get_node(string& line);
	void add_slot_range(redis_node* node, char* slots);
	void free_masters();
	redis_node* get_slave(const std::vector<string>& tokens);

private:
	std::vector<redis_node*> slaves_;
	void free_slaves();
};

} // namespace acl