131 lines
4.2 KiB
C
131 lines
4.2 KiB
C
/*
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**********************************************************************************************
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* File: maat_command.h
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* Description:
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* Authors: Liu WenTan <liuwentan@geedgenetworks.com>
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* Date: 2022-10-31
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* Copyright: (c) Since 2022 Geedge Networks, Ltd. All rights reserved.
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***********************************************************************************************
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*/
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#ifndef _MAAT_COMMAND_H_
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#define _MAAT_COMMAND_H_
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#include <limits.h>
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#include <sys/queue.h>
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#include "maat.h"
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#include "maat_table.h"
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#include "log/log.h"
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#include "uthash/uthash.h"
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#include "hiredis/hiredis.h"
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enum maat_operation {
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MAAT_OP_DEL = 0,
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MAAT_OP_ADD,
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MAAT_OP_RENEW_TIMEOUT //Rule expire time is changed to now+cmd->expire_after
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};
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struct maat_cmd_line {
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const char *table_name;
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const char *table_line;
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long long rule_id; // for MAAT_OP_DEL, only rule_id and table_name are necessary.
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int expire_after; //expired after $timeout$ seconds, set to 0 for never timeout.
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};
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struct foreign_key {
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int column;
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char *key;
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size_t key_len;
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char *filename;
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};
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//rm= Redis Maat
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struct serial_rule {
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enum maat_operation op;//0: delete, 1: add.
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long long rule_id;
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long long timeout; // absolute unix time.
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char table_name[NAME_MAX];
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char *table_line;
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int n_foreign;
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struct foreign_key *f_keys;
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redisContext *ref_ctx;
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TAILQ_ENTRY(serial_rule) entries;
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UT_hash_handle hh;
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};
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/**
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* @brief write one line to redis
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*
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* @retval
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* success: number of successfully updated rule.
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* failed: -1
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*/
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int maat_cmd_set_line(struct maat *maat_instance, const struct maat_cmd_line *line_rule);
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int maat_cmd_set_file(struct maat *maat_instance, const char *key, const char *value,
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size_t size, enum maat_operation op);
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long long maat_cmd_incrby(struct maat *maat_instance, const char *key, int increment);
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long long maat_cmd_get_config_version(struct maat *maat_instance);
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/* True(1), False(0) */
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int maat_cmd_config_is_updating(struct maat *maat_instance);
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char *maat_cmd_str_escape(char *dst, int size, const char *src);
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int maat_cmd_flushDB(struct maat *maat_instance);
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/* maat command API for internal */
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redisContext *maat_cmd_connect_redis(const char *redis_ip, int redis_port,
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int redis_db, struct log_handle *logger);
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redisReply *maat_cmd_wrap_redis_command(redisContext *c, const char *format, ...);
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int maat_cmd_wrap_redis_get_reply(redisContext *c, redisReply **reply);
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long long maat_cmd_redis_server_time_s(redisContext *c);
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long long maat_cmd_read_redis_integer(const redisReply *reply);
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int maat_cmd_get_valid_flag_offset(const char *line, int column_seq);
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const char *maat_cmd_find_Nth_column(const char *line, int Nth, int *column_len);
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int maat_cmd_write_rule(redisContext *c, struct serial_rule *s_rule,
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size_t serial_rule_num, long long server_time,
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struct log_handle *logger);
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void maat_cmd_clear_rule_cache(struct serial_rule *s_rule);
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int maat_cmd_get_redis_value(redisContext *c, struct serial_rule *rule_list,
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int rule_num, int print_process, struct log_handle *logger);
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int maat_cmd_get_foreign_keys_by_prefix(redisContext *ctx, struct serial_rule *rule_list,
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int rule_num, const char* dir, struct log_handle *logger);
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void maat_cmd_get_foreign_conts(redisContext *c, struct serial_rule *rule_list,
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int rule_num, int print_fn, struct log_handle *logger);
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void maat_cmd_rewrite_table_line_with_foreign(struct serial_rule *s_rule);
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void maat_cmd_set_serial_rule(struct serial_rule *rule, enum maat_operation op,
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long long rule_id, const char *table_name,
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const char *line, long long timeout);
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int maat_cmd_get_rm_key_list(redisContext *c, long long instance_version,
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long long desired_version, long long *new_version,
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struct table_manager *tbl_mgr, struct serial_rule **list,
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int *update_type, int cumulative_off, struct log_handle *logger);
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#ifdef __cplusplus
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}
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#endif
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#endif |