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23f08510d5
According to the C standard, it is desirable to give the type 'void' to functions have no argument. Closes #1631
1537 lines
66 KiB
C
1537 lines
66 KiB
C
/*
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* Copyright (c) 2009-2012, Salvatore Sanfilippo <antirez at gmail dot com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Redis nor the names of its contributors may be used
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* to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __REDIS_H
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#define __REDIS_H
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#include "fmacros.h"
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#include "config.h"
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#if defined(__sun)
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#include "solarisfixes.h"
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <limits.h>
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#include <unistd.h>
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#include <errno.h>
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#include <inttypes.h>
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#include <pthread.h>
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#include <syslog.h>
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#include <netinet/in.h>
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#include <lua.h>
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#include <signal.h>
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typedef long long mstime_t; /* millisecond time type. */
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#include "ae.h" /* Event driven programming library */
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#include "sds.h" /* Dynamic safe strings */
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#include "dict.h" /* Hash tables */
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#include "adlist.h" /* Linked lists */
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#include "zmalloc.h" /* total memory usage aware version of malloc/free */
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#include "anet.h" /* Networking the easy way */
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#include "ziplist.h" /* Compact list data structure */
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#include "intset.h" /* Compact integer set structure */
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#include "version.h" /* Version macro */
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#include "util.h" /* Misc functions useful in many places */
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#include "latency.h" /* Latency monitor API */
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#include "sparkline.h" /* ASII graphs API */
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/* Error codes */
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#define REDIS_OK 0
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#define REDIS_ERR -1
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/* Static server configuration */
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#define REDIS_DEFAULT_HZ 10 /* Time interrupt calls/sec. */
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#define REDIS_MIN_HZ 1
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#define REDIS_MAX_HZ 500
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#define REDIS_SERVERPORT 6379 /* TCP port */
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#define REDIS_TCP_BACKLOG 511 /* TCP listen backlog */
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#define REDIS_MAXIDLETIME 0 /* default client timeout: infinite */
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#define REDIS_DEFAULT_DBNUM 16
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#define REDIS_CONFIGLINE_MAX 1024
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#define REDIS_DBCRON_DBS_PER_CALL 16
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#define REDIS_MAX_WRITE_PER_EVENT (1024*64)
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#define REDIS_SHARED_SELECT_CMDS 10
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#define REDIS_SHARED_INTEGERS 10000
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#define REDIS_SHARED_BULKHDR_LEN 32
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#define REDIS_MAX_LOGMSG_LEN 1024 /* Default maximum length of syslog messages */
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#define REDIS_AOF_REWRITE_PERC 100
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#define REDIS_AOF_REWRITE_MIN_SIZE (64*1024*1024)
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#define REDIS_AOF_REWRITE_ITEMS_PER_CMD 64
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#define REDIS_SLOWLOG_LOG_SLOWER_THAN 10000
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#define REDIS_SLOWLOG_MAX_LEN 128
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#define REDIS_MAX_CLIENTS 10000
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#define REDIS_AUTHPASS_MAX_LEN 512
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#define REDIS_DEFAULT_SLAVE_PRIORITY 100
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#define REDIS_REPL_TIMEOUT 60
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#define REDIS_REPL_PING_SLAVE_PERIOD 10
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#define REDIS_RUN_ID_SIZE 40
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#define REDIS_OPS_SEC_SAMPLES 16
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#define REDIS_DEFAULT_REPL_BACKLOG_SIZE (1024*1024) /* 1mb */
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#define REDIS_DEFAULT_REPL_BACKLOG_TIME_LIMIT (60*60) /* 1 hour */
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#define REDIS_REPL_BACKLOG_MIN_SIZE (1024*16) /* 16k */
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#define REDIS_BGSAVE_RETRY_DELAY 5 /* Wait a few secs before trying again. */
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#define REDIS_DEFAULT_PID_FILE "/var/run/redis.pid"
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#define REDIS_DEFAULT_SYSLOG_IDENT "redis"
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#define REDIS_DEFAULT_CLUSTER_CONFIG_FILE "nodes.conf"
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#define REDIS_DEFAULT_DAEMONIZE 0
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#define REDIS_DEFAULT_UNIX_SOCKET_PERM 0
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#define REDIS_DEFAULT_TCP_KEEPALIVE 0
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#define REDIS_DEFAULT_LOGFILE ""
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#define REDIS_DEFAULT_SYSLOG_ENABLED 0
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#define REDIS_DEFAULT_STOP_WRITES_ON_BGSAVE_ERROR 1
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#define REDIS_DEFAULT_RDB_COMPRESSION 1
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#define REDIS_DEFAULT_RDB_CHECKSUM 1
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#define REDIS_DEFAULT_RDB_FILENAME "dump.rdb"
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#define REDIS_DEFAULT_SLAVE_SERVE_STALE_DATA 1
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#define REDIS_DEFAULT_SLAVE_READ_ONLY 1
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#define REDIS_DEFAULT_REPL_DISABLE_TCP_NODELAY 0
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#define REDIS_DEFAULT_MAXMEMORY 0
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#define REDIS_DEFAULT_MAXMEMORY_SAMPLES 5
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#define REDIS_DEFAULT_AOF_FILENAME "appendonly.aof"
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#define REDIS_DEFAULT_AOF_NO_FSYNC_ON_REWRITE 0
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#define REDIS_DEFAULT_ACTIVE_REHASHING 1
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#define REDIS_DEFAULT_AOF_REWRITE_INCREMENTAL_FSYNC 1
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#define REDIS_DEFAULT_MIN_SLAVES_TO_WRITE 0
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#define REDIS_DEFAULT_MIN_SLAVES_MAX_LAG 10
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#define REDIS_IP_STR_LEN INET6_ADDRSTRLEN
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#define REDIS_PEER_ID_LEN (REDIS_IP_STR_LEN+32) /* Must be enough for ip:port */
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#define REDIS_BINDADDR_MAX 16
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#define REDIS_MIN_RESERVED_FDS 32
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#define REDIS_DEFAULT_LATENCY_MONITOR_THRESHOLD 0
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#define ACTIVE_EXPIRE_CYCLE_LOOKUPS_PER_LOOP 20 /* Loopkups per loop. */
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#define ACTIVE_EXPIRE_CYCLE_FAST_DURATION 1000 /* Microseconds */
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#define ACTIVE_EXPIRE_CYCLE_SLOW_TIME_PERC 25 /* CPU max % for keys collection */
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#define ACTIVE_EXPIRE_CYCLE_SLOW 0
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#define ACTIVE_EXPIRE_CYCLE_FAST 1
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/* Protocol and I/O related defines */
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#define REDIS_MAX_QUERYBUF_LEN (1024*1024*1024) /* 1GB max query buffer. */
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#define REDIS_IOBUF_LEN (1024*16) /* Generic I/O buffer size */
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#define REDIS_REPLY_CHUNK_BYTES (16*1024) /* 16k output buffer */
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#define REDIS_INLINE_MAX_SIZE (1024*64) /* Max size of inline reads */
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#define REDIS_MBULK_BIG_ARG (1024*32)
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#define REDIS_LONGSTR_SIZE 21 /* Bytes needed for long -> str */
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#define REDIS_AOF_AUTOSYNC_BYTES (1024*1024*32) /* fdatasync every 32MB */
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/* When configuring the Redis eventloop, we setup it so that the total number
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* of file descriptors we can handle are server.maxclients + RESERVED_FDS + FDSET_INCR
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* that is our safety margin. */
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#define REDIS_EVENTLOOP_FDSET_INCR (REDIS_MIN_RESERVED_FDS+96)
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/* Hash table parameters */
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#define REDIS_HT_MINFILL 10 /* Minimal hash table fill 10% */
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/* Command flags. Please check the command table defined in the redis.c file
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* for more information about the meaning of every flag. */
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#define REDIS_CMD_WRITE 1 /* "w" flag */
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#define REDIS_CMD_READONLY 2 /* "r" flag */
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#define REDIS_CMD_DENYOOM 4 /* "m" flag */
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#define REDIS_CMD_NOT_USED_1 8 /* no longer used flag */
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#define REDIS_CMD_ADMIN 16 /* "a" flag */
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#define REDIS_CMD_PUBSUB 32 /* "p" flag */
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#define REDIS_CMD_NOSCRIPT 64 /* "s" flag */
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#define REDIS_CMD_RANDOM 128 /* "R" flag */
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#define REDIS_CMD_SORT_FOR_SCRIPT 256 /* "S" flag */
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#define REDIS_CMD_LOADING 512 /* "l" flag */
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#define REDIS_CMD_STALE 1024 /* "t" flag */
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#define REDIS_CMD_SKIP_MONITOR 2048 /* "M" flag */
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#define REDIS_CMD_ASKING 4096 /* "k" flag */
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#define REDIS_CMD_FAST 8192 /* "F" flag */
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/* Object types */
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#define REDIS_STRING 0
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#define REDIS_LIST 1
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#define REDIS_SET 2
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#define REDIS_ZSET 3
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#define REDIS_HASH 4
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/* Objects encoding. Some kind of objects like Strings and Hashes can be
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* internally represented in multiple ways. The 'encoding' field of the object
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* is set to one of this fields for this object. */
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#define REDIS_ENCODING_RAW 0 /* Raw representation */
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#define REDIS_ENCODING_INT 1 /* Encoded as integer */
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#define REDIS_ENCODING_HT 2 /* Encoded as hash table */
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#define REDIS_ENCODING_ZIPMAP 3 /* Encoded as zipmap */
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#define REDIS_ENCODING_LINKEDLIST 4 /* Encoded as regular linked list */
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#define REDIS_ENCODING_ZIPLIST 5 /* Encoded as ziplist */
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#define REDIS_ENCODING_INTSET 6 /* Encoded as intset */
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#define REDIS_ENCODING_SKIPLIST 7 /* Encoded as skiplist */
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#define REDIS_ENCODING_EMBSTR 8 /* Embedded sds string encoding */
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/* Defines related to the dump file format. To store 32 bits lengths for short
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* keys requires a lot of space, so we check the most significant 2 bits of
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* the first byte to interpreter the length:
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*
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* 00|000000 => if the two MSB are 00 the len is the 6 bits of this byte
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* 01|000000 00000000 => 01, the len is 14 byes, 6 bits + 8 bits of next byte
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* 10|000000 [32 bit integer] => if it's 10, a full 32 bit len will follow
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* 11|000000 this means: specially encoded object will follow. The six bits
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* number specify the kind of object that follows.
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* See the REDIS_RDB_ENC_* defines.
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*
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* Lengths up to 63 are stored using a single byte, most DB keys, and may
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* values, will fit inside. */
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#define REDIS_RDB_6BITLEN 0
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#define REDIS_RDB_14BITLEN 1
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#define REDIS_RDB_32BITLEN 2
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#define REDIS_RDB_ENCVAL 3
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#define REDIS_RDB_LENERR UINT_MAX
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/* When a length of a string object stored on disk has the first two bits
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* set, the remaining two bits specify a special encoding for the object
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* accordingly to the following defines: */
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#define REDIS_RDB_ENC_INT8 0 /* 8 bit signed integer */
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#define REDIS_RDB_ENC_INT16 1 /* 16 bit signed integer */
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#define REDIS_RDB_ENC_INT32 2 /* 32 bit signed integer */
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#define REDIS_RDB_ENC_LZF 3 /* string compressed with FASTLZ */
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/* AOF states */
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#define REDIS_AOF_OFF 0 /* AOF is off */
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#define REDIS_AOF_ON 1 /* AOF is on */
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#define REDIS_AOF_WAIT_REWRITE 2 /* AOF waits rewrite to start appending */
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/* Client flags */
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#define REDIS_SLAVE (1<<0) /* This client is a slave server */
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#define REDIS_MASTER (1<<1) /* This client is a master server */
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#define REDIS_MONITOR (1<<2) /* This client is a slave monitor, see MONITOR */
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#define REDIS_MULTI (1<<3) /* This client is in a MULTI context */
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#define REDIS_BLOCKED (1<<4) /* The client is waiting in a blocking operation */
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#define REDIS_DIRTY_CAS (1<<5) /* Watched keys modified. EXEC will fail. */
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#define REDIS_CLOSE_AFTER_REPLY (1<<6) /* Close after writing entire reply. */
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#define REDIS_UNBLOCKED (1<<7) /* This client was unblocked and is stored in
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server.unblocked_clients */
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#define REDIS_LUA_CLIENT (1<<8) /* This is a non connected client used by Lua */
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#define REDIS_ASKING (1<<9) /* Client issued the ASKING command */
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#define REDIS_CLOSE_ASAP (1<<10)/* Close this client ASAP */
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#define REDIS_UNIX_SOCKET (1<<11) /* Client connected via Unix domain socket */
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#define REDIS_DIRTY_EXEC (1<<12) /* EXEC will fail for errors while queueing */
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#define REDIS_MASTER_FORCE_REPLY (1<<13) /* Queue replies even if is master */
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#define REDIS_FORCE_AOF (1<<14) /* Force AOF propagation of current cmd. */
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#define REDIS_FORCE_REPL (1<<15) /* Force replication of current cmd. */
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#define REDIS_PRE_PSYNC (1<<16) /* Instance don't understand PSYNC. */
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#define REDIS_READONLY (1<<17) /* Cluster client is in read-only state. */
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#define REDIS_PUBSUB (1<<18) /* Client is in Pub/Sub mode. */
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/* Client block type (btype field in client structure)
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* if REDIS_BLOCKED flag is set. */
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#define REDIS_BLOCKED_NONE 0 /* Not blocked, no REDIS_BLOCKED flag set. */
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#define REDIS_BLOCKED_LIST 1 /* BLPOP & co. */
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#define REDIS_BLOCKED_WAIT 2 /* WAIT for synchronous replication. */
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/* Client request types */
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#define REDIS_REQ_INLINE 1
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#define REDIS_REQ_MULTIBULK 2
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/* Client classes for client limits, currently used only for
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* the max-client-output-buffer limit implementation. */
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#define REDIS_CLIENT_TYPE_NORMAL 0 /* Normal req-reply clients + MONITORs */
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#define REDIS_CLIENT_TYPE_SLAVE 1 /* Slaves. */
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#define REDIS_CLIENT_TYPE_PUBSUB 2 /* Clients subscribed to PubSub channels. */
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#define REDIS_CLIENT_TYPE_COUNT 3
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/* Slave replication state - from the point of view of the slave. */
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#define REDIS_REPL_NONE 0 /* No active replication */
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#define REDIS_REPL_CONNECT 1 /* Must connect to master */
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#define REDIS_REPL_CONNECTING 2 /* Connecting to master */
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#define REDIS_REPL_RECEIVE_PONG 3 /* Wait for PING reply */
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#define REDIS_REPL_TRANSFER 4 /* Receiving .rdb from master */
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#define REDIS_REPL_CONNECTED 5 /* Connected to master */
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/* Slave replication state - from the point of view of the master.
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* In SEND_BULK and ONLINE state the slave receives new updates
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* in its output queue. In the WAIT_BGSAVE state instead the server is waiting
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* to start the next background saving in order to send updates to it. */
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#define REDIS_REPL_WAIT_BGSAVE_START 6 /* We need to produce a new RDB file. */
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#define REDIS_REPL_WAIT_BGSAVE_END 7 /* Waiting RDB file creation to finish. */
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#define REDIS_REPL_SEND_BULK 8 /* Sending RDB file to slave. */
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#define REDIS_REPL_ONLINE 9 /* RDB file transmitted, sending just updates. */
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/* Synchronous read timeout - slave side */
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#define REDIS_REPL_SYNCIO_TIMEOUT 5
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/* List related stuff */
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#define REDIS_HEAD 0
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#define REDIS_TAIL 1
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/* Sort operations */
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#define REDIS_SORT_GET 0
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#define REDIS_SORT_ASC 1
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#define REDIS_SORT_DESC 2
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#define REDIS_SORTKEY_MAX 1024
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/* Log levels */
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#define REDIS_DEBUG 0
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#define REDIS_VERBOSE 1
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#define REDIS_NOTICE 2
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#define REDIS_WARNING 3
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#define REDIS_LOG_RAW (1<<10) /* Modifier to log without timestamp */
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#define REDIS_DEFAULT_VERBOSITY REDIS_NOTICE
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/* Anti-warning macro... */
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#define REDIS_NOTUSED(V) ((void) V)
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#define ZSKIPLIST_MAXLEVEL 32 /* Should be enough for 2^32 elements */
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#define ZSKIPLIST_P 0.25 /* Skiplist P = 1/4 */
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/* Append only defines */
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#define AOF_FSYNC_NO 0
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#define AOF_FSYNC_ALWAYS 1
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#define AOF_FSYNC_EVERYSEC 2
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#define REDIS_DEFAULT_AOF_FSYNC AOF_FSYNC_EVERYSEC
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/* Zip structure related defaults */
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#define REDIS_HASH_MAX_ZIPLIST_ENTRIES 512
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#define REDIS_HASH_MAX_ZIPLIST_VALUE 64
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#define REDIS_LIST_MAX_ZIPLIST_ENTRIES 512
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#define REDIS_LIST_MAX_ZIPLIST_VALUE 64
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#define REDIS_SET_MAX_INTSET_ENTRIES 512
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#define REDIS_ZSET_MAX_ZIPLIST_ENTRIES 128
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#define REDIS_ZSET_MAX_ZIPLIST_VALUE 64
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/* HyperLogLog defines */
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#define REDIS_DEFAULT_HLL_SPARSE_MAX_BYTES 3000
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/* Sets operations codes */
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#define REDIS_OP_UNION 0
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#define REDIS_OP_DIFF 1
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#define REDIS_OP_INTER 2
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/* Redis maxmemory strategies */
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#define REDIS_MAXMEMORY_VOLATILE_LRU 0
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#define REDIS_MAXMEMORY_VOLATILE_TTL 1
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#define REDIS_MAXMEMORY_VOLATILE_RANDOM 2
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#define REDIS_MAXMEMORY_ALLKEYS_LRU 3
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#define REDIS_MAXMEMORY_ALLKEYS_RANDOM 4
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#define REDIS_MAXMEMORY_NO_EVICTION 5
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#define REDIS_DEFAULT_MAXMEMORY_POLICY REDIS_MAXMEMORY_NO_EVICTION
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/* Scripting */
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#define REDIS_LUA_TIME_LIMIT 5000 /* milliseconds */
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/* Units */
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#define UNIT_SECONDS 0
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#define UNIT_MILLISECONDS 1
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/* SHUTDOWN flags */
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#define REDIS_SHUTDOWN_SAVE 1 /* Force SAVE on SHUTDOWN even if no save
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points are configured. */
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#define REDIS_SHUTDOWN_NOSAVE 2 /* Don't SAVE on SHUTDOWN. */
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/* Command call flags, see call() function */
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#define REDIS_CALL_NONE 0
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#define REDIS_CALL_SLOWLOG 1
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#define REDIS_CALL_STATS 2
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#define REDIS_CALL_PROPAGATE 4
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#define REDIS_CALL_FULL (REDIS_CALL_SLOWLOG | REDIS_CALL_STATS | REDIS_CALL_PROPAGATE)
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/* Command propagation flags, see propagate() function */
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#define REDIS_PROPAGATE_NONE 0
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#define REDIS_PROPAGATE_AOF 1
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#define REDIS_PROPAGATE_REPL 2
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/* Keyspace changes notification classes. Every class is associated with a
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* character for configuration purposes. */
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#define REDIS_NOTIFY_KEYSPACE (1<<0) /* K */
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#define REDIS_NOTIFY_KEYEVENT (1<<1) /* E */
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#define REDIS_NOTIFY_GENERIC (1<<2) /* g */
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#define REDIS_NOTIFY_STRING (1<<3) /* $ */
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#define REDIS_NOTIFY_LIST (1<<4) /* l */
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#define REDIS_NOTIFY_SET (1<<5) /* s */
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#define REDIS_NOTIFY_HASH (1<<6) /* h */
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#define REDIS_NOTIFY_ZSET (1<<7) /* z */
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#define REDIS_NOTIFY_EXPIRED (1<<8) /* x */
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#define REDIS_NOTIFY_EVICTED (1<<9) /* e */
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#define REDIS_NOTIFY_ALL (REDIS_NOTIFY_GENERIC | REDIS_NOTIFY_STRING | REDIS_NOTIFY_LIST | REDIS_NOTIFY_SET | REDIS_NOTIFY_HASH | REDIS_NOTIFY_ZSET | REDIS_NOTIFY_EXPIRED | REDIS_NOTIFY_EVICTED) /* A */
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/* Get the first bind addr or NULL */
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#define REDIS_BIND_ADDR (server.bindaddr_count ? server.bindaddr[0] : NULL)
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/* Using the following macro you can run code inside serverCron() with the
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* specified period, specified in milliseconds.
|
|
* The actual resolution depends on server.hz. */
|
|
#define run_with_period(_ms_) if ((_ms_ <= 1000/server.hz) || !(server.cronloops%((_ms_)/(1000/server.hz))))
|
|
|
|
/* We can print the stacktrace, so our assert is defined this way: */
|
|
#define redisAssertWithInfo(_c,_o,_e) ((_e)?(void)0 : (_redisAssertWithInfo(_c,_o,#_e,__FILE__,__LINE__),_exit(1)))
|
|
#define redisAssert(_e) ((_e)?(void)0 : (_redisAssert(#_e,__FILE__,__LINE__),_exit(1)))
|
|
#define redisPanic(_e) _redisPanic(#_e,__FILE__,__LINE__),_exit(1)
|
|
|
|
/*-----------------------------------------------------------------------------
|
|
* Data types
|
|
*----------------------------------------------------------------------------*/
|
|
|
|
/* A redis object, that is a type able to hold a string / list / set */
|
|
|
|
/* The actual Redis Object */
|
|
#define REDIS_LRU_BITS 24
|
|
#define REDIS_LRU_CLOCK_MAX ((1<<REDIS_LRU_BITS)-1) /* Max value of obj->lru */
|
|
#define REDIS_LRU_CLOCK_RESOLUTION 1000 /* LRU clock resolution in ms */
|
|
typedef struct redisObject {
|
|
unsigned type:4;
|
|
unsigned encoding:4;
|
|
unsigned lru:REDIS_LRU_BITS; /* lru time (relative to server.lruclock) */
|
|
int refcount;
|
|
void *ptr;
|
|
} robj;
|
|
|
|
/* Macro used to obtain the current LRU clock.
|
|
* If the current resolution is lower than the frequency we refresh the
|
|
* LRU clock (as it should be in production servers) we return the
|
|
* precomputed value, otherwise we need to resort to a function call. */
|
|
#define LRU_CLOCK() ((1000/server.hz <= REDIS_LRU_CLOCK_RESOLUTION) ? server.lruclock : getLRUClock())
|
|
|
|
/* Macro used to initialize a Redis object allocated on the stack.
|
|
* Note that this macro is taken near the structure definition to make sure
|
|
* we'll update it when the structure is changed, to avoid bugs like
|
|
* bug #85 introduced exactly in this way. */
|
|
#define initStaticStringObject(_var,_ptr) do { \
|
|
_var.refcount = 1; \
|
|
_var.type = REDIS_STRING; \
|
|
_var.encoding = REDIS_ENCODING_RAW; \
|
|
_var.ptr = _ptr; \
|
|
} while(0);
|
|
|
|
/* To improve the quality of the LRU approximation we take a set of keys
|
|
* that are good candidate for eviction across freeMemoryIfNeeded() calls.
|
|
*
|
|
* Entries inside the eviciton pool are taken ordered by idle time, putting
|
|
* greater idle times to the right (ascending order).
|
|
*
|
|
* Empty entries have the key pointer set to NULL. */
|
|
#define REDIS_EVICTION_POOL_SIZE 16
|
|
struct evictionPoolEntry {
|
|
unsigned long long idle; /* Object idle time. */
|
|
sds key; /* Key name. */
|
|
};
|
|
|
|
/* Redis database representation. There are multiple databases identified
|
|
* by integers from 0 (the default database) up to the max configured
|
|
* database. The database number is the 'id' field in the structure. */
|
|
typedef struct redisDb {
|
|
dict *dict; /* The keyspace for this DB */
|
|
dict *expires; /* Timeout of keys with a timeout set */
|
|
dict *blocking_keys; /* Keys with clients waiting for data (BLPOP) */
|
|
dict *ready_keys; /* Blocked keys that received a PUSH */
|
|
dict *watched_keys; /* WATCHED keys for MULTI/EXEC CAS */
|
|
struct evictionPoolEntry *eviction_pool; /* Eviction pool of keys */
|
|
int id; /* Database ID */
|
|
long long avg_ttl; /* Average TTL, just for stats */
|
|
} redisDb;
|
|
|
|
/* Client MULTI/EXEC state */
|
|
typedef struct multiCmd {
|
|
robj **argv;
|
|
int argc;
|
|
struct redisCommand *cmd;
|
|
} multiCmd;
|
|
|
|
typedef struct multiState {
|
|
multiCmd *commands; /* Array of MULTI commands */
|
|
int count; /* Total number of MULTI commands */
|
|
int minreplicas; /* MINREPLICAS for synchronous replication */
|
|
time_t minreplicas_timeout; /* MINREPLICAS timeout as unixtime. */
|
|
} multiState;
|
|
|
|
/* This structure holds the blocking operation state for a client.
|
|
* The fields used depend on client->btype. */
|
|
typedef struct blockingState {
|
|
/* Generic fields. */
|
|
mstime_t timeout; /* Blocking operation timeout. If UNIX current time
|
|
* is > timeout then the operation timed out. */
|
|
|
|
/* REDIS_BLOCK_LIST */
|
|
dict *keys; /* The keys we are waiting to terminate a blocking
|
|
* operation such as BLPOP. Otherwise NULL. */
|
|
robj *target; /* The key that should receive the element,
|
|
* for BRPOPLPUSH. */
|
|
|
|
/* REDIS_BLOCK_WAIT */
|
|
int numreplicas; /* Number of replicas we are waiting for ACK. */
|
|
long long reploffset; /* Replication offset to reach. */
|
|
} blockingState;
|
|
|
|
/* The following structure represents a node in the server.ready_keys list,
|
|
* where we accumulate all the keys that had clients blocked with a blocking
|
|
* operation such as B[LR]POP, but received new data in the context of the
|
|
* last executed command.
|
|
*
|
|
* After the execution of every command or script, we run this list to check
|
|
* if as a result we should serve data to clients blocked, unblocking them.
|
|
* Note that server.ready_keys will not have duplicates as there dictionary
|
|
* also called ready_keys in every structure representing a Redis database,
|
|
* where we make sure to remember if a given key was already added in the
|
|
* server.ready_keys list. */
|
|
typedef struct readyList {
|
|
redisDb *db;
|
|
robj *key;
|
|
} readyList;
|
|
|
|
/* With multiplexing we need to take per-client state.
|
|
* Clients are taken in a liked list. */
|
|
typedef struct redisClient {
|
|
uint64_t id; /* Client incremental unique ID. */
|
|
int fd;
|
|
redisDb *db;
|
|
int dictid;
|
|
robj *name; /* As set by CLIENT SETNAME */
|
|
sds querybuf;
|
|
size_t querybuf_peak; /* Recent (100ms or more) peak of querybuf size */
|
|
int argc;
|
|
robj **argv;
|
|
struct redisCommand *cmd, *lastcmd;
|
|
int reqtype;
|
|
int multibulklen; /* number of multi bulk arguments left to read */
|
|
long bulklen; /* length of bulk argument in multi bulk request */
|
|
list *reply;
|
|
unsigned long reply_bytes; /* Tot bytes of objects in reply list */
|
|
int sentlen; /* Amount of bytes already sent in the current
|
|
buffer or object being sent. */
|
|
time_t ctime; /* Client creation time */
|
|
time_t lastinteraction; /* time of the last interaction, used for timeout */
|
|
time_t obuf_soft_limit_reached_time;
|
|
int flags; /* REDIS_SLAVE | REDIS_MONITOR | REDIS_MULTI ... */
|
|
int authenticated; /* when requirepass is non-NULL */
|
|
int replstate; /* replication state if this is a slave */
|
|
int repldbfd; /* replication DB file descriptor */
|
|
off_t repldboff; /* replication DB file offset */
|
|
off_t repldbsize; /* replication DB file size */
|
|
sds replpreamble; /* replication DB preamble. */
|
|
long long reploff; /* replication offset if this is our master */
|
|
long long repl_ack_off; /* replication ack offset, if this is a slave */
|
|
long long repl_ack_time;/* replication ack time, if this is a slave */
|
|
char replrunid[REDIS_RUN_ID_SIZE+1]; /* master run id if this is a master */
|
|
int slave_listening_port; /* As configured with: SLAVECONF listening-port */
|
|
multiState mstate; /* MULTI/EXEC state */
|
|
int btype; /* Type of blocking op if REDIS_BLOCKED. */
|
|
blockingState bpop; /* blocking state */
|
|
long long woff; /* Last write global replication offset. */
|
|
list *watched_keys; /* Keys WATCHED for MULTI/EXEC CAS */
|
|
dict *pubsub_channels; /* channels a client is interested in (SUBSCRIBE) */
|
|
list *pubsub_patterns; /* patterns a client is interested in (SUBSCRIBE) */
|
|
sds peerid; /* Cached peer ID. */
|
|
|
|
/* Response buffer */
|
|
int bufpos;
|
|
char buf[REDIS_REPLY_CHUNK_BYTES];
|
|
} redisClient;
|
|
|
|
struct saveparam {
|
|
time_t seconds;
|
|
int changes;
|
|
};
|
|
|
|
struct sharedObjectsStruct {
|
|
robj *crlf, *ok, *err, *emptybulk, *czero, *cone, *cnegone, *pong, *space,
|
|
*colon, *nullbulk, *nullmultibulk, *queued,
|
|
*emptymultibulk, *wrongtypeerr, *nokeyerr, *syntaxerr, *sameobjecterr,
|
|
*outofrangeerr, *noscripterr, *loadingerr, *slowscripterr, *bgsaveerr,
|
|
*masterdownerr, *roslaveerr, *execaborterr, *noautherr, *noreplicaserr,
|
|
*busykeyerr, *oomerr, *plus, *messagebulk, *pmessagebulk, *subscribebulk,
|
|
*unsubscribebulk, *psubscribebulk, *punsubscribebulk, *del, *rpop, *lpop,
|
|
*lpush, *emptyscan, *minstring, *maxstring,
|
|
*select[REDIS_SHARED_SELECT_CMDS],
|
|
*integers[REDIS_SHARED_INTEGERS],
|
|
*mbulkhdr[REDIS_SHARED_BULKHDR_LEN], /* "*<value>\r\n" */
|
|
*bulkhdr[REDIS_SHARED_BULKHDR_LEN]; /* "$<value>\r\n" */
|
|
};
|
|
|
|
/* ZSETs use a specialized version of Skiplists */
|
|
typedef struct zskiplistNode {
|
|
robj *obj;
|
|
double score;
|
|
struct zskiplistNode *backward;
|
|
struct zskiplistLevel {
|
|
struct zskiplistNode *forward;
|
|
unsigned int span;
|
|
} level[];
|
|
} zskiplistNode;
|
|
|
|
typedef struct zskiplist {
|
|
struct zskiplistNode *header, *tail;
|
|
unsigned long length;
|
|
int level;
|
|
} zskiplist;
|
|
|
|
typedef struct zset {
|
|
dict *dict;
|
|
zskiplist *zsl;
|
|
} zset;
|
|
|
|
typedef struct clientBufferLimitsConfig {
|
|
unsigned long long hard_limit_bytes;
|
|
unsigned long long soft_limit_bytes;
|
|
time_t soft_limit_seconds;
|
|
} clientBufferLimitsConfig;
|
|
|
|
extern clientBufferLimitsConfig clientBufferLimitsDefaults[REDIS_CLIENT_TYPE_COUNT];
|
|
|
|
/* The redisOp structure defines a Redis Operation, that is an instance of
|
|
* a command with an argument vector, database ID, propagation target
|
|
* (REDIS_PROPAGATE_*), and command pointer.
|
|
*
|
|
* Currently only used to additionally propagate more commands to AOF/Replication
|
|
* after the propagation of the executed command. */
|
|
typedef struct redisOp {
|
|
robj **argv;
|
|
int argc, dbid, target;
|
|
struct redisCommand *cmd;
|
|
} redisOp;
|
|
|
|
/* Defines an array of Redis operations. There is an API to add to this
|
|
* structure in a easy way.
|
|
*
|
|
* redisOpArrayInit();
|
|
* redisOpArrayAppend();
|
|
* redisOpArrayFree();
|
|
*/
|
|
typedef struct redisOpArray {
|
|
redisOp *ops;
|
|
int numops;
|
|
} redisOpArray;
|
|
|
|
/*-----------------------------------------------------------------------------
|
|
* Global server state
|
|
*----------------------------------------------------------------------------*/
|
|
|
|
struct clusterState;
|
|
|
|
/* AIX defines hz to __hz, we don't use this define and in order to allow
|
|
* Redis build on AIX we need to undef it. */
|
|
#ifdef _AIX
|
|
#undef hz
|
|
#endif
|
|
|
|
struct redisServer {
|
|
/* General */
|
|
pid_t pid; /* Main process pid. */
|
|
char *configfile; /* Absolute config file path, or NULL */
|
|
int hz; /* serverCron() calls frequency in hertz */
|
|
redisDb *db;
|
|
dict *commands; /* Command table */
|
|
dict *orig_commands; /* Command table before command renaming. */
|
|
aeEventLoop *el;
|
|
unsigned lruclock:REDIS_LRU_BITS; /* Clock for LRU eviction */
|
|
int shutdown_asap; /* SHUTDOWN needed ASAP */
|
|
int activerehashing; /* Incremental rehash in serverCron() */
|
|
char *requirepass; /* Pass for AUTH command, or NULL */
|
|
char *pidfile; /* PID file path */
|
|
int arch_bits; /* 32 or 64 depending on sizeof(long) */
|
|
int cronloops; /* Number of times the cron function run */
|
|
char runid[REDIS_RUN_ID_SIZE+1]; /* ID always different at every exec. */
|
|
int sentinel_mode; /* True if this instance is a Sentinel. */
|
|
/* Networking */
|
|
int port; /* TCP listening port */
|
|
int tcp_backlog; /* TCP listen() backlog */
|
|
char *bindaddr[REDIS_BINDADDR_MAX]; /* Addresses we should bind to */
|
|
int bindaddr_count; /* Number of addresses in server.bindaddr[] */
|
|
char *unixsocket; /* UNIX socket path */
|
|
mode_t unixsocketperm; /* UNIX socket permission */
|
|
int ipfd[REDIS_BINDADDR_MAX]; /* TCP socket file descriptors */
|
|
int ipfd_count; /* Used slots in ipfd[] */
|
|
int sofd; /* Unix socket file descriptor */
|
|
int cfd[REDIS_BINDADDR_MAX];/* Cluster bus listening socket */
|
|
int cfd_count; /* Used slots in cfd[] */
|
|
list *clients; /* List of active clients */
|
|
list *clients_to_close; /* Clients to close asynchronously */
|
|
list *slaves, *monitors; /* List of slaves and MONITORs */
|
|
redisClient *current_client; /* Current client, only used on crash report */
|
|
int clients_paused; /* True if clients are currently paused */
|
|
mstime_t clients_pause_end_time; /* Time when we undo clients_paused */
|
|
char neterr[ANET_ERR_LEN]; /* Error buffer for anet.c */
|
|
dict *migrate_cached_sockets;/* MIGRATE cached sockets */
|
|
uint64_t next_client_id; /* Next client unique ID. Incremental. */
|
|
/* RDB / AOF loading information */
|
|
int loading; /* We are loading data from disk if true */
|
|
off_t loading_total_bytes;
|
|
off_t loading_loaded_bytes;
|
|
time_t loading_start_time;
|
|
off_t loading_process_events_interval_bytes;
|
|
/* Fast pointers to often looked up command */
|
|
struct redisCommand *delCommand, *multiCommand, *lpushCommand, *lpopCommand,
|
|
*rpopCommand;
|
|
/* Fields used only for stats */
|
|
time_t stat_starttime; /* Server start time */
|
|
long long stat_numcommands; /* Number of processed commands */
|
|
long long stat_numconnections; /* Number of connections received */
|
|
long long stat_expiredkeys; /* Number of expired keys */
|
|
long long stat_evictedkeys; /* Number of evicted keys (maxmemory) */
|
|
long long stat_keyspace_hits; /* Number of successful lookups of keys */
|
|
long long stat_keyspace_misses; /* Number of failed lookups of keys */
|
|
size_t stat_peak_memory; /* Max used memory record */
|
|
long long stat_fork_time; /* Time needed to perform latest fork() */
|
|
double stat_fork_rate; /* Fork rate in GB/sec. */
|
|
long long stat_rejected_conn; /* Clients rejected because of maxclients */
|
|
long long stat_sync_full; /* Number of full resyncs with slaves. */
|
|
long long stat_sync_partial_ok; /* Number of accepted PSYNC requests. */
|
|
long long stat_sync_partial_err;/* Number of unaccepted PSYNC requests. */
|
|
list *slowlog; /* SLOWLOG list of commands */
|
|
long long slowlog_entry_id; /* SLOWLOG current entry ID */
|
|
long long slowlog_log_slower_than; /* SLOWLOG time limit (to get logged) */
|
|
unsigned long slowlog_max_len; /* SLOWLOG max number of items logged */
|
|
size_t resident_set_size; /* RSS sampled in serverCron(). */
|
|
/* The following two are used to track instantaneous "load" in terms
|
|
* of operations per second. */
|
|
long long ops_sec_last_sample_time; /* Timestamp of last sample (in ms) */
|
|
long long ops_sec_last_sample_ops; /* numcommands in last sample */
|
|
long long ops_sec_samples[REDIS_OPS_SEC_SAMPLES];
|
|
int ops_sec_idx;
|
|
/* Configuration */
|
|
int verbosity; /* Loglevel in redis.conf */
|
|
int maxidletime; /* Client timeout in seconds */
|
|
int tcpkeepalive; /* Set SO_KEEPALIVE if non-zero. */
|
|
int active_expire_enabled; /* Can be disabled for testing purposes. */
|
|
size_t client_max_querybuf_len; /* Limit for client query buffer length */
|
|
int dbnum; /* Total number of configured DBs */
|
|
int daemonize; /* True if running as a daemon */
|
|
clientBufferLimitsConfig client_obuf_limits[REDIS_CLIENT_TYPE_COUNT];
|
|
/* AOF persistence */
|
|
int aof_state; /* REDIS_AOF_(ON|OFF|WAIT_REWRITE) */
|
|
int aof_fsync; /* Kind of fsync() policy */
|
|
char *aof_filename; /* Name of the AOF file */
|
|
int aof_no_fsync_on_rewrite; /* Don't fsync if a rewrite is in prog. */
|
|
int aof_rewrite_perc; /* Rewrite AOF if % growth is > M and... */
|
|
off_t aof_rewrite_min_size; /* the AOF file is at least N bytes. */
|
|
off_t aof_rewrite_base_size; /* AOF size on latest startup or rewrite. */
|
|
off_t aof_current_size; /* AOF current size. */
|
|
int aof_rewrite_scheduled; /* Rewrite once BGSAVE terminates. */
|
|
pid_t aof_child_pid; /* PID if rewriting process */
|
|
list *aof_rewrite_buf_blocks; /* Hold changes during an AOF rewrite. */
|
|
sds aof_buf; /* AOF buffer, written before entering the event loop */
|
|
int aof_fd; /* File descriptor of currently selected AOF file */
|
|
int aof_selected_db; /* Currently selected DB in AOF */
|
|
time_t aof_flush_postponed_start; /* UNIX time of postponed AOF flush */
|
|
time_t aof_last_fsync; /* UNIX time of last fsync() */
|
|
time_t aof_rewrite_time_last; /* Time used by last AOF rewrite run. */
|
|
time_t aof_rewrite_time_start; /* Current AOF rewrite start time. */
|
|
int aof_lastbgrewrite_status; /* REDIS_OK or REDIS_ERR */
|
|
unsigned long aof_delayed_fsync; /* delayed AOF fsync() counter */
|
|
int aof_rewrite_incremental_fsync;/* fsync incrementally while rewriting? */
|
|
int aof_last_write_status; /* REDIS_OK or REDIS_ERR */
|
|
int aof_last_write_errno; /* Valid if aof_last_write_status is ERR */
|
|
/* AOF pipes used to communicate between parent and child during rewrite. */
|
|
int aof_pipe_write_data_to_child;
|
|
int aof_pipe_read_data_from_parent;
|
|
int aof_pipe_write_ack_to_parent;
|
|
int aof_pipe_read_ack_from_child;
|
|
int aof_pipe_write_ack_to_child;
|
|
int aof_pipe_read_ack_from_parent;
|
|
int aof_stop_sending_diff; /* If true stop sending accumulated diffs
|
|
to child process. */
|
|
sds aof_child_diff; /* AOF diff accumulator child side. */
|
|
/* RDB persistence */
|
|
long long dirty; /* Changes to DB from the last save */
|
|
long long dirty_before_bgsave; /* Used to restore dirty on failed BGSAVE */
|
|
pid_t rdb_child_pid; /* PID of RDB saving child */
|
|
struct saveparam *saveparams; /* Save points array for RDB */
|
|
int saveparamslen; /* Number of saving points */
|
|
char *rdb_filename; /* Name of RDB file */
|
|
int rdb_compression; /* Use compression in RDB? */
|
|
int rdb_checksum; /* Use RDB checksum? */
|
|
time_t lastsave; /* Unix time of last successful save */
|
|
time_t lastbgsave_try; /* Unix time of last attempted bgsave */
|
|
time_t rdb_save_time_last; /* Time used by last RDB save run. */
|
|
time_t rdb_save_time_start; /* Current RDB save start time. */
|
|
int lastbgsave_status; /* REDIS_OK or REDIS_ERR */
|
|
int stop_writes_on_bgsave_err; /* Don't allow writes if can't BGSAVE */
|
|
/* Propagation of commands in AOF / replication */
|
|
redisOpArray also_propagate; /* Additional command to propagate. */
|
|
/* Logging */
|
|
char *logfile; /* Path of log file */
|
|
int syslog_enabled; /* Is syslog enabled? */
|
|
char *syslog_ident; /* Syslog ident */
|
|
int syslog_facility; /* Syslog facility */
|
|
/* Replication (master) */
|
|
int slaveseldb; /* Last SELECTed DB in replication output */
|
|
long long master_repl_offset; /* Global replication offset */
|
|
int repl_ping_slave_period; /* Master pings the slave every N seconds */
|
|
char *repl_backlog; /* Replication backlog for partial syncs */
|
|
long long repl_backlog_size; /* Backlog circular buffer size */
|
|
long long repl_backlog_histlen; /* Backlog actual data length */
|
|
long long repl_backlog_idx; /* Backlog circular buffer current offset */
|
|
long long repl_backlog_off; /* Replication offset of first byte in the
|
|
backlog buffer. */
|
|
time_t repl_backlog_time_limit; /* Time without slaves after the backlog
|
|
gets released. */
|
|
time_t repl_no_slaves_since; /* We have no slaves since that time.
|
|
Only valid if server.slaves len is 0. */
|
|
int repl_min_slaves_to_write; /* Min number of slaves to write. */
|
|
int repl_min_slaves_max_lag; /* Max lag of <count> slaves to write. */
|
|
int repl_good_slaves_count; /* Number of slaves with lag <= max_lag. */
|
|
/* Replication (slave) */
|
|
char *masterauth; /* AUTH with this password with master */
|
|
char *masterhost; /* Hostname of master */
|
|
int masterport; /* Port of master */
|
|
int repl_timeout; /* Timeout after N seconds of master idle */
|
|
redisClient *master; /* Client that is master for this slave */
|
|
redisClient *cached_master; /* Cached master to be reused for PSYNC. */
|
|
int repl_syncio_timeout; /* Timeout for synchronous I/O calls */
|
|
int repl_state; /* Replication status if the instance is a slave */
|
|
off_t repl_transfer_size; /* Size of RDB to read from master during sync. */
|
|
off_t repl_transfer_read; /* Amount of RDB read from master during sync. */
|
|
off_t repl_transfer_last_fsync_off; /* Offset when we fsync-ed last time. */
|
|
int repl_transfer_s; /* Slave -> Master SYNC socket */
|
|
int repl_transfer_fd; /* Slave -> Master SYNC temp file descriptor */
|
|
char *repl_transfer_tmpfile; /* Slave-> master SYNC temp file name */
|
|
time_t repl_transfer_lastio; /* Unix time of the latest read, for timeout */
|
|
int repl_serve_stale_data; /* Serve stale data when link is down? */
|
|
int repl_slave_ro; /* Slave is read only? */
|
|
time_t repl_down_since; /* Unix time at which link with master went down */
|
|
int repl_disable_tcp_nodelay; /* Disable TCP_NODELAY after SYNC? */
|
|
int slave_priority; /* Reported in INFO and used by Sentinel. */
|
|
char repl_master_runid[REDIS_RUN_ID_SIZE+1]; /* Master run id for PSYNC. */
|
|
long long repl_master_initial_offset; /* Master PSYNC offset. */
|
|
/* Replication script cache. */
|
|
dict *repl_scriptcache_dict; /* SHA1 all slaves are aware of. */
|
|
list *repl_scriptcache_fifo; /* First in, first out LRU eviction. */
|
|
int repl_scriptcache_size; /* Max number of elements. */
|
|
/* Synchronous replication. */
|
|
list *clients_waiting_acks; /* Clients waiting in WAIT command. */
|
|
int get_ack_from_slaves; /* If true we send REPLCONF GETACK. */
|
|
/* Limits */
|
|
int maxclients; /* Max number of simultaneous clients */
|
|
unsigned long long maxmemory; /* Max number of memory bytes to use */
|
|
int maxmemory_policy; /* Policy for key eviction */
|
|
int maxmemory_samples; /* Pricision of random sampling */
|
|
/* Blocked clients */
|
|
unsigned int bpop_blocked_clients; /* Number of clients blocked by lists */
|
|
list *unblocked_clients; /* list of clients to unblock before next loop */
|
|
list *ready_keys; /* List of readyList structures for BLPOP & co */
|
|
/* Sort parameters - qsort_r() is only available under BSD so we
|
|
* have to take this state global, in order to pass it to sortCompare() */
|
|
int sort_desc;
|
|
int sort_alpha;
|
|
int sort_bypattern;
|
|
int sort_store;
|
|
/* Zip structure config, see redis.conf for more information */
|
|
size_t hash_max_ziplist_entries;
|
|
size_t hash_max_ziplist_value;
|
|
size_t list_max_ziplist_entries;
|
|
size_t list_max_ziplist_value;
|
|
size_t set_max_intset_entries;
|
|
size_t zset_max_ziplist_entries;
|
|
size_t zset_max_ziplist_value;
|
|
size_t hll_sparse_max_bytes;
|
|
time_t unixtime; /* Unix time sampled every cron cycle. */
|
|
long long mstime; /* Like 'unixtime' but with milliseconds resolution. */
|
|
/* Pubsub */
|
|
dict *pubsub_channels; /* Map channels to list of subscribed clients */
|
|
list *pubsub_patterns; /* A list of pubsub_patterns */
|
|
int notify_keyspace_events; /* Events to propagate via Pub/Sub. This is an
|
|
xor of REDIS_NOTIFY... flags. */
|
|
/* Cluster */
|
|
int cluster_enabled; /* Is cluster enabled? */
|
|
mstime_t cluster_node_timeout; /* Cluster node timeout. */
|
|
char *cluster_configfile; /* Cluster auto-generated config file name. */
|
|
struct clusterState *cluster; /* State of the cluster */
|
|
int cluster_migration_barrier; /* Cluster replicas migration barrier. */
|
|
int cluster_slave_validity_factor; /* Slave max data age for failover. */
|
|
/* Scripting */
|
|
lua_State *lua; /* The Lua interpreter. We use just one for all clients */
|
|
redisClient *lua_client; /* The "fake client" to query Redis from Lua */
|
|
redisClient *lua_caller; /* The client running EVAL right now, or NULL */
|
|
dict *lua_scripts; /* A dictionary of SHA1 -> Lua scripts */
|
|
mstime_t lua_time_limit; /* Script timeout in milliseconds */
|
|
mstime_t lua_time_start; /* Start time of script, milliseconds time */
|
|
int lua_write_dirty; /* True if a write command was called during the
|
|
execution of the current script. */
|
|
int lua_random_dirty; /* True if a random command was called during the
|
|
execution of the current script. */
|
|
int lua_timedout; /* True if we reached the time limit for script
|
|
execution. */
|
|
int lua_kill; /* Kill the script if true. */
|
|
/* Latency monitor */
|
|
long long latency_monitor_threshold;
|
|
dict *latency_events;
|
|
/* Assert & bug reporting */
|
|
char *assert_failed;
|
|
char *assert_file;
|
|
int assert_line;
|
|
int bug_report_start; /* True if bug report header was already logged. */
|
|
int watchdog_period; /* Software watchdog period in ms. 0 = off */
|
|
};
|
|
|
|
typedef struct pubsubPattern {
|
|
redisClient *client;
|
|
robj *pattern;
|
|
} pubsubPattern;
|
|
|
|
typedef void redisCommandProc(redisClient *c);
|
|
typedef int *redisGetKeysProc(struct redisCommand *cmd, robj **argv, int argc, int *numkeys);
|
|
struct redisCommand {
|
|
char *name;
|
|
redisCommandProc *proc;
|
|
int arity;
|
|
char *sflags; /* Flags as string representation, one char per flag. */
|
|
int flags; /* The actual flags, obtained from the 'sflags' field. */
|
|
/* Use a function to determine keys arguments in a command line.
|
|
* Used for Redis Cluster redirect. */
|
|
redisGetKeysProc *getkeys_proc;
|
|
/* What keys should be loaded in background when calling this command? */
|
|
int firstkey; /* The first argument that's a key (0 = no keys) */
|
|
int lastkey; /* The last argument that's a key */
|
|
int keystep; /* The step between first and last key */
|
|
long long microseconds, calls;
|
|
};
|
|
|
|
struct redisFunctionSym {
|
|
char *name;
|
|
unsigned long pointer;
|
|
};
|
|
|
|
typedef struct _redisSortObject {
|
|
robj *obj;
|
|
union {
|
|
double score;
|
|
robj *cmpobj;
|
|
} u;
|
|
} redisSortObject;
|
|
|
|
typedef struct _redisSortOperation {
|
|
int type;
|
|
robj *pattern;
|
|
} redisSortOperation;
|
|
|
|
/* Structure to hold list iteration abstraction. */
|
|
typedef struct {
|
|
robj *subject;
|
|
unsigned char encoding;
|
|
unsigned char direction; /* Iteration direction */
|
|
unsigned char *zi;
|
|
listNode *ln;
|
|
} listTypeIterator;
|
|
|
|
/* Structure for an entry while iterating over a list. */
|
|
typedef struct {
|
|
listTypeIterator *li;
|
|
unsigned char *zi; /* Entry in ziplist */
|
|
listNode *ln; /* Entry in linked list */
|
|
} listTypeEntry;
|
|
|
|
/* Structure to hold set iteration abstraction. */
|
|
typedef struct {
|
|
robj *subject;
|
|
int encoding;
|
|
int ii; /* intset iterator */
|
|
dictIterator *di;
|
|
} setTypeIterator;
|
|
|
|
/* Structure to hold hash iteration abstraction. Note that iteration over
|
|
* hashes involves both fields and values. Because it is possible that
|
|
* not both are required, store pointers in the iterator to avoid
|
|
* unnecessary memory allocation for fields/values. */
|
|
typedef struct {
|
|
robj *subject;
|
|
int encoding;
|
|
|
|
unsigned char *fptr, *vptr;
|
|
|
|
dictIterator *di;
|
|
dictEntry *de;
|
|
} hashTypeIterator;
|
|
|
|
#define REDIS_HASH_KEY 1
|
|
#define REDIS_HASH_VALUE 2
|
|
|
|
/*-----------------------------------------------------------------------------
|
|
* Extern declarations
|
|
*----------------------------------------------------------------------------*/
|
|
|
|
extern struct redisServer server;
|
|
extern struct sharedObjectsStruct shared;
|
|
extern dictType setDictType;
|
|
extern dictType zsetDictType;
|
|
extern dictType clusterNodesDictType;
|
|
extern dictType clusterNodesBlackListDictType;
|
|
extern dictType dbDictType;
|
|
extern dictType shaScriptObjectDictType;
|
|
extern double R_Zero, R_PosInf, R_NegInf, R_Nan;
|
|
extern dictType hashDictType;
|
|
extern dictType replScriptCacheDictType;
|
|
|
|
/*-----------------------------------------------------------------------------
|
|
* Functions prototypes
|
|
*----------------------------------------------------------------------------*/
|
|
|
|
/* Utils */
|
|
long long ustime(void);
|
|
long long mstime(void);
|
|
void getRandomHexChars(char *p, unsigned int len);
|
|
uint64_t crc64(uint64_t crc, const unsigned char *s, uint64_t l);
|
|
void exitFromChild(int retcode);
|
|
size_t redisPopcount(void *s, long count);
|
|
void redisSetProcTitle(char *title);
|
|
|
|
/* networking.c -- Networking and Client related operations */
|
|
redisClient *createClient(int fd);
|
|
void closeTimedoutClients(void);
|
|
void freeClient(redisClient *c);
|
|
void freeClientAsync(redisClient *c);
|
|
void resetClient(redisClient *c);
|
|
void sendReplyToClient(aeEventLoop *el, int fd, void *privdata, int mask);
|
|
void addReply(redisClient *c, robj *obj);
|
|
void *addDeferredMultiBulkLength(redisClient *c);
|
|
void setDeferredMultiBulkLength(redisClient *c, void *node, long length);
|
|
void addReplySds(redisClient *c, sds s);
|
|
void processInputBuffer(redisClient *c);
|
|
void acceptTcpHandler(aeEventLoop *el, int fd, void *privdata, int mask);
|
|
void acceptUnixHandler(aeEventLoop *el, int fd, void *privdata, int mask);
|
|
void readQueryFromClient(aeEventLoop *el, int fd, void *privdata, int mask);
|
|
void addReplyBulk(redisClient *c, robj *obj);
|
|
void addReplyBulkCString(redisClient *c, char *s);
|
|
void addReplyBulkCBuffer(redisClient *c, void *p, size_t len);
|
|
void addReplyBulkLongLong(redisClient *c, long long ll);
|
|
void acceptHandler(aeEventLoop *el, int fd, void *privdata, int mask);
|
|
void addReply(redisClient *c, robj *obj);
|
|
void addReplySds(redisClient *c, sds s);
|
|
void addReplyError(redisClient *c, char *err);
|
|
void addReplyStatus(redisClient *c, char *status);
|
|
void addReplyDouble(redisClient *c, double d);
|
|
void addReplyLongLong(redisClient *c, long long ll);
|
|
void addReplyMultiBulkLen(redisClient *c, long length);
|
|
void copyClientOutputBuffer(redisClient *dst, redisClient *src);
|
|
void *dupClientReplyValue(void *o);
|
|
void getClientsMaxBuffers(unsigned long *longest_output_list,
|
|
unsigned long *biggest_input_buffer);
|
|
void formatPeerId(char *peerid, size_t peerid_len, char *ip, int port);
|
|
char *getClientPeerId(redisClient *client);
|
|
sds catClientInfoString(sds s, redisClient *client);
|
|
sds getAllClientsInfoString(void);
|
|
void rewriteClientCommandVector(redisClient *c, int argc, ...);
|
|
void rewriteClientCommandArgument(redisClient *c, int i, robj *newval);
|
|
unsigned long getClientOutputBufferMemoryUsage(redisClient *c);
|
|
void freeClientsInAsyncFreeQueue(void);
|
|
void asyncCloseClientOnOutputBufferLimitReached(redisClient *c);
|
|
int getClientType(redisClient *c);
|
|
int getClientTypeByName(char *name);
|
|
char *getClientTypeName(int class);
|
|
void flushSlavesOutputBuffers(void);
|
|
void disconnectSlaves(void);
|
|
int listenToPort(int port, int *fds, int *count);
|
|
void pauseClients(mstime_t duration);
|
|
int clientsArePaused(void);
|
|
int processEventsWhileBlocked(void);
|
|
|
|
#ifdef __GNUC__
|
|
void addReplyErrorFormat(redisClient *c, const char *fmt, ...)
|
|
__attribute__((format(printf, 2, 3)));
|
|
void addReplyStatusFormat(redisClient *c, const char *fmt, ...)
|
|
__attribute__((format(printf, 2, 3)));
|
|
#else
|
|
void addReplyErrorFormat(redisClient *c, const char *fmt, ...);
|
|
void addReplyStatusFormat(redisClient *c, const char *fmt, ...);
|
|
#endif
|
|
|
|
/* List data type */
|
|
void listTypeTryConversion(robj *subject, robj *value);
|
|
void listTypePush(robj *subject, robj *value, int where);
|
|
robj *listTypePop(robj *subject, int where);
|
|
unsigned long listTypeLength(robj *subject);
|
|
listTypeIterator *listTypeInitIterator(robj *subject, long index, unsigned char direction);
|
|
void listTypeReleaseIterator(listTypeIterator *li);
|
|
int listTypeNext(listTypeIterator *li, listTypeEntry *entry);
|
|
robj *listTypeGet(listTypeEntry *entry);
|
|
void listTypeInsert(listTypeEntry *entry, robj *value, int where);
|
|
int listTypeEqual(listTypeEntry *entry, robj *o);
|
|
void listTypeDelete(listTypeEntry *entry);
|
|
void listTypeConvert(robj *subject, int enc);
|
|
void unblockClientWaitingData(redisClient *c);
|
|
void handleClientsBlockedOnLists(void);
|
|
void popGenericCommand(redisClient *c, int where);
|
|
void signalListAsReady(redisDb *db, robj *key);
|
|
|
|
/* MULTI/EXEC/WATCH... */
|
|
void unwatchAllKeys(redisClient *c);
|
|
void initClientMultiState(redisClient *c);
|
|
void freeClientMultiState(redisClient *c);
|
|
void queueMultiCommand(redisClient *c);
|
|
void touchWatchedKey(redisDb *db, robj *key);
|
|
void touchWatchedKeysOnFlush(int dbid);
|
|
void discardTransaction(redisClient *c);
|
|
void flagTransaction(redisClient *c);
|
|
|
|
/* Redis object implementation */
|
|
void decrRefCount(robj *o);
|
|
void decrRefCountVoid(void *o);
|
|
void incrRefCount(robj *o);
|
|
robj *resetRefCount(robj *obj);
|
|
void freeStringObject(robj *o);
|
|
void freeListObject(robj *o);
|
|
void freeSetObject(robj *o);
|
|
void freeZsetObject(robj *o);
|
|
void freeHashObject(robj *o);
|
|
robj *createObject(int type, void *ptr);
|
|
robj *createStringObject(char *ptr, size_t len);
|
|
robj *createRawStringObject(char *ptr, size_t len);
|
|
robj *createEmbeddedStringObject(char *ptr, size_t len);
|
|
robj *dupStringObject(robj *o);
|
|
int isObjectRepresentableAsLongLong(robj *o, long long *llongval);
|
|
robj *tryObjectEncoding(robj *o);
|
|
robj *getDecodedObject(robj *o);
|
|
size_t stringObjectLen(robj *o);
|
|
robj *createStringObjectFromLongLong(long long value);
|
|
robj *createStringObjectFromLongDouble(long double value);
|
|
robj *createListObject(void);
|
|
robj *createZiplistObject(void);
|
|
robj *createSetObject(void);
|
|
robj *createIntsetObject(void);
|
|
robj *createHashObject(void);
|
|
robj *createZsetObject(void);
|
|
robj *createZsetZiplistObject(void);
|
|
int getLongFromObjectOrReply(redisClient *c, robj *o, long *target, const char *msg);
|
|
int checkType(redisClient *c, robj *o, int type);
|
|
int getLongLongFromObjectOrReply(redisClient *c, robj *o, long long *target, const char *msg);
|
|
int getDoubleFromObjectOrReply(redisClient *c, robj *o, double *target, const char *msg);
|
|
int getLongLongFromObject(robj *o, long long *target);
|
|
int getLongDoubleFromObject(robj *o, long double *target);
|
|
int getLongDoubleFromObjectOrReply(redisClient *c, robj *o, long double *target, const char *msg);
|
|
char *strEncoding(int encoding);
|
|
int compareStringObjects(robj *a, robj *b);
|
|
int collateStringObjects(robj *a, robj *b);
|
|
int equalStringObjects(robj *a, robj *b);
|
|
unsigned long long estimateObjectIdleTime(robj *o);
|
|
#define sdsEncodedObject(objptr) (objptr->encoding == REDIS_ENCODING_RAW || objptr->encoding == REDIS_ENCODING_EMBSTR)
|
|
|
|
/* Synchronous I/O with timeout */
|
|
ssize_t syncWrite(int fd, char *ptr, ssize_t size, long long timeout);
|
|
ssize_t syncRead(int fd, char *ptr, ssize_t size, long long timeout);
|
|
ssize_t syncReadLine(int fd, char *ptr, ssize_t size, long long timeout);
|
|
|
|
/* Replication */
|
|
void replicationFeedSlaves(list *slaves, int dictid, robj **argv, int argc);
|
|
void replicationFeedMonitors(redisClient *c, list *monitors, int dictid, robj **argv, int argc);
|
|
void updateSlavesWaitingBgsave(int bgsaveerr);
|
|
void replicationCron(void);
|
|
void replicationHandleMasterDisconnection(void);
|
|
void replicationCacheMaster(redisClient *c);
|
|
void resizeReplicationBacklog(long long newsize);
|
|
void replicationSetMaster(char *ip, int port);
|
|
void replicationUnsetMaster(void);
|
|
void refreshGoodSlavesCount(void);
|
|
void replicationScriptCacheInit(void);
|
|
void replicationScriptCacheFlush(void);
|
|
void replicationScriptCacheAdd(sds sha1);
|
|
int replicationScriptCacheExists(sds sha1);
|
|
void processClientsWaitingReplicas(void);
|
|
void unblockClientWaitingReplicas(redisClient *c);
|
|
int replicationCountAcksByOffset(long long offset);
|
|
void replicationSendNewlineToMaster(void);
|
|
long long replicationGetSlaveOffset(void);
|
|
|
|
/* Generic persistence functions */
|
|
void startLoading(FILE *fp);
|
|
void loadingProgress(off_t pos);
|
|
void stopLoading(void);
|
|
|
|
/* RDB persistence */
|
|
#include "rdb.h"
|
|
|
|
/* AOF persistence */
|
|
void flushAppendOnlyFile(int force);
|
|
void feedAppendOnlyFile(struct redisCommand *cmd, int dictid, robj **argv, int argc);
|
|
void aofRemoveTempFile(pid_t childpid);
|
|
int rewriteAppendOnlyFileBackground(void);
|
|
int loadAppendOnlyFile(char *filename);
|
|
void stopAppendOnly(void);
|
|
int startAppendOnly(void);
|
|
void backgroundRewriteDoneHandler(int exitcode, int bysignal);
|
|
void aofRewriteBufferReset(void);
|
|
unsigned long aofRewriteBufferSize(void);
|
|
|
|
/* Sorted sets data type */
|
|
|
|
/* Struct to hold a inclusive/exclusive range spec by score comparison. */
|
|
typedef struct {
|
|
double min, max;
|
|
int minex, maxex; /* are min or max exclusive? */
|
|
} zrangespec;
|
|
|
|
/* Struct to hold an inclusive/exclusive range spec by lexicographic comparison. */
|
|
typedef struct {
|
|
robj *min, *max; /* May be set to shared.(minstring|maxstring) */
|
|
int minex, maxex; /* are min or max exclusive? */
|
|
} zlexrangespec;
|
|
|
|
zskiplist *zslCreate(void);
|
|
void zslFree(zskiplist *zsl);
|
|
zskiplistNode *zslInsert(zskiplist *zsl, double score, robj *obj);
|
|
unsigned char *zzlInsert(unsigned char *zl, robj *ele, double score);
|
|
int zslDelete(zskiplist *zsl, double score, robj *obj);
|
|
zskiplistNode *zslFirstInRange(zskiplist *zsl, zrangespec *range);
|
|
zskiplistNode *zslLastInRange(zskiplist *zsl, zrangespec *range);
|
|
double zzlGetScore(unsigned char *sptr);
|
|
void zzlNext(unsigned char *zl, unsigned char **eptr, unsigned char **sptr);
|
|
void zzlPrev(unsigned char *zl, unsigned char **eptr, unsigned char **sptr);
|
|
unsigned int zsetLength(robj *zobj);
|
|
void zsetConvert(robj *zobj, int encoding);
|
|
unsigned long zslGetRank(zskiplist *zsl, double score, robj *o);
|
|
|
|
/* Core functions */
|
|
int freeMemoryIfNeeded(void);
|
|
int processCommand(redisClient *c);
|
|
void setupSignalHandlers(void);
|
|
struct redisCommand *lookupCommand(sds name);
|
|
struct redisCommand *lookupCommandByCString(char *s);
|
|
struct redisCommand *lookupCommandOrOriginal(sds name);
|
|
void call(redisClient *c, int flags);
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void propagate(struct redisCommand *cmd, int dbid, robj **argv, int argc, int flags);
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void alsoPropagate(struct redisCommand *cmd, int dbid, robj **argv, int argc, int target);
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void forceCommandPropagation(redisClient *c, int flags);
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int prepareForShutdown();
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#ifdef __GNUC__
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void redisLog(int level, const char *fmt, ...)
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__attribute__((format(printf, 2, 3)));
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#else
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void redisLog(int level, const char *fmt, ...);
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#endif
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void redisLogRaw(int level, const char *msg);
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void redisLogFromHandler(int level, const char *msg);
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void usage(void);
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void updateDictResizePolicy(void);
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int htNeedsResize(dict *dict);
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|
void oom(const char *msg);
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void populateCommandTable(void);
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void resetCommandTableStats(void);
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|
void adjustOpenFilesLimit(void);
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|
void closeListeningSockets(int unlink_unix_socket);
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|
void updateCachedTime(void);
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void resetServerStats(void);
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unsigned int getLRUClock(void);
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/* Set data type */
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robj *setTypeCreate(robj *value);
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int setTypeAdd(robj *subject, robj *value);
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int setTypeRemove(robj *subject, robj *value);
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|
int setTypeIsMember(robj *subject, robj *value);
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|
setTypeIterator *setTypeInitIterator(robj *subject);
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void setTypeReleaseIterator(setTypeIterator *si);
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int setTypeNext(setTypeIterator *si, robj **objele, int64_t *llele);
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|
robj *setTypeNextObject(setTypeIterator *si);
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int setTypeRandomElement(robj *setobj, robj **objele, int64_t *llele);
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|
unsigned long setTypeSize(robj *subject);
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void setTypeConvert(robj *subject, int enc);
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|
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/* Hash data type */
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|
void hashTypeConvert(robj *o, int enc);
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void hashTypeTryConversion(robj *subject, robj **argv, int start, int end);
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|
void hashTypeTryObjectEncoding(robj *subject, robj **o1, robj **o2);
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|
robj *hashTypeGetObject(robj *o, robj *key);
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|
int hashTypeExists(robj *o, robj *key);
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|
int hashTypeSet(robj *o, robj *key, robj *value);
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|
int hashTypeDelete(robj *o, robj *key);
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|
unsigned long hashTypeLength(robj *o);
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|
hashTypeIterator *hashTypeInitIterator(robj *subject);
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|
void hashTypeReleaseIterator(hashTypeIterator *hi);
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|
int hashTypeNext(hashTypeIterator *hi);
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|
void hashTypeCurrentFromZiplist(hashTypeIterator *hi, int what,
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|
unsigned char **vstr,
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|
unsigned int *vlen,
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|
long long *vll);
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|
void hashTypeCurrentFromHashTable(hashTypeIterator *hi, int what, robj **dst);
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|
robj *hashTypeCurrentObject(hashTypeIterator *hi, int what);
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|
robj *hashTypeLookupWriteOrCreate(redisClient *c, robj *key);
|
|
|
|
/* Pub / Sub */
|
|
int pubsubUnsubscribeAllChannels(redisClient *c, int notify);
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|
int pubsubUnsubscribeAllPatterns(redisClient *c, int notify);
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|
void freePubsubPattern(void *p);
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|
int listMatchPubsubPattern(void *a, void *b);
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|
int pubsubPublishMessage(robj *channel, robj *message);
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|
|
|
/* Keyspace events notification */
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|
void notifyKeyspaceEvent(int type, char *event, robj *key, int dbid);
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|
int keyspaceEventsStringToFlags(char *classes);
|
|
sds keyspaceEventsFlagsToString(int flags);
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|
|
|
/* Configuration */
|
|
void loadServerConfig(char *filename, char *options);
|
|
void appendServerSaveParams(time_t seconds, int changes);
|
|
void resetServerSaveParams(void);
|
|
struct rewriteConfigState; /* Forward declaration to export API. */
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|
void rewriteConfigRewriteLine(struct rewriteConfigState *state, char *option, sds line, int force);
|
|
int rewriteConfig(char *path);
|
|
|
|
/* db.c -- Keyspace access API */
|
|
int removeExpire(redisDb *db, robj *key);
|
|
void propagateExpire(redisDb *db, robj *key);
|
|
int expireIfNeeded(redisDb *db, robj *key);
|
|
long long getExpire(redisDb *db, robj *key);
|
|
void setExpire(redisDb *db, robj *key, long long when);
|
|
robj *lookupKey(redisDb *db, robj *key);
|
|
robj *lookupKeyRead(redisDb *db, robj *key);
|
|
robj *lookupKeyWrite(redisDb *db, robj *key);
|
|
robj *lookupKeyReadOrReply(redisClient *c, robj *key, robj *reply);
|
|
robj *lookupKeyWriteOrReply(redisClient *c, robj *key, robj *reply);
|
|
void dbAdd(redisDb *db, robj *key, robj *val);
|
|
void dbOverwrite(redisDb *db, robj *key, robj *val);
|
|
void setKey(redisDb *db, robj *key, robj *val);
|
|
int dbExists(redisDb *db, robj *key);
|
|
robj *dbRandomKey(redisDb *db);
|
|
int dbDelete(redisDb *db, robj *key);
|
|
robj *dbUnshareStringValue(redisDb *db, robj *key, robj *o);
|
|
long long emptyDb(void(callback)(void*));
|
|
int selectDb(redisClient *c, int id);
|
|
void signalModifiedKey(redisDb *db, robj *key);
|
|
void signalFlushedDb(int dbid);
|
|
unsigned int getKeysInSlot(unsigned int hashslot, robj **keys, unsigned int count);
|
|
unsigned int countKeysInSlot(unsigned int hashslot);
|
|
unsigned int delKeysInSlot(unsigned int hashslot);
|
|
int verifyClusterConfigWithData(void);
|
|
void scanGenericCommand(redisClient *c, robj *o, unsigned long cursor);
|
|
int parseScanCursorOrReply(redisClient *c, robj *o, unsigned long *cursor);
|
|
|
|
/* API to get key arguments from commands */
|
|
int *getKeysFromCommand(struct redisCommand *cmd, robj **argv, int argc, int *numkeys);
|
|
void getKeysFreeResult(int *result);
|
|
int *zunionInterGetKeys(struct redisCommand *cmd,robj **argv, int argc, int *numkeys);
|
|
int *evalGetKeys(struct redisCommand *cmd, robj **argv, int argc, int *numkeys);
|
|
int *sortGetKeys(struct redisCommand *cmd, robj **argv, int argc, int *numkeys);
|
|
|
|
/* Cluster */
|
|
void clusterInit(void);
|
|
unsigned short crc16(const char *buf, int len);
|
|
unsigned int keyHashSlot(char *key, int keylen);
|
|
void clusterCron(void);
|
|
void clusterPropagatePublish(robj *channel, robj *message);
|
|
void migrateCloseTimedoutSockets(void);
|
|
void clusterBeforeSleep(void);
|
|
|
|
/* Sentinel */
|
|
void initSentinelConfig(void);
|
|
void initSentinel(void);
|
|
void sentinelTimer(void);
|
|
char *sentinelHandleConfiguration(char **argv, int argc);
|
|
void sentinelIsRunning(void);
|
|
|
|
/* Scripting */
|
|
void scriptingInit(void);
|
|
|
|
/* Blocked clients */
|
|
void processUnblockedClients(void);
|
|
void blockClient(redisClient *c, int btype);
|
|
void unblockClient(redisClient *c);
|
|
void replyToBlockedClientTimedOut(redisClient *c);
|
|
int getTimeoutFromObjectOrReply(redisClient *c, robj *object, mstime_t *timeout, int unit);
|
|
|
|
/* Git SHA1 */
|
|
char *redisGitSHA1(void);
|
|
char *redisGitDirty(void);
|
|
uint64_t redisBuildId(void);
|
|
|
|
/* Commands prototypes */
|
|
void authCommand(redisClient *c);
|
|
void pingCommand(redisClient *c);
|
|
void echoCommand(redisClient *c);
|
|
void commandCommand(redisClient *c);
|
|
void setCommand(redisClient *c);
|
|
void setnxCommand(redisClient *c);
|
|
void setexCommand(redisClient *c);
|
|
void psetexCommand(redisClient *c);
|
|
void getCommand(redisClient *c);
|
|
void delCommand(redisClient *c);
|
|
void existsCommand(redisClient *c);
|
|
void setbitCommand(redisClient *c);
|
|
void getbitCommand(redisClient *c);
|
|
void setrangeCommand(redisClient *c);
|
|
void getrangeCommand(redisClient *c);
|
|
void incrCommand(redisClient *c);
|
|
void decrCommand(redisClient *c);
|
|
void incrbyCommand(redisClient *c);
|
|
void decrbyCommand(redisClient *c);
|
|
void incrbyfloatCommand(redisClient *c);
|
|
void selectCommand(redisClient *c);
|
|
void randomkeyCommand(redisClient *c);
|
|
void keysCommand(redisClient *c);
|
|
void scanCommand(redisClient *c);
|
|
void dbsizeCommand(redisClient *c);
|
|
void lastsaveCommand(redisClient *c);
|
|
void saveCommand(redisClient *c);
|
|
void bgsaveCommand(redisClient *c);
|
|
void bgrewriteaofCommand(redisClient *c);
|
|
void shutdownCommand(redisClient *c);
|
|
void moveCommand(redisClient *c);
|
|
void renameCommand(redisClient *c);
|
|
void renamenxCommand(redisClient *c);
|
|
void lpushCommand(redisClient *c);
|
|
void rpushCommand(redisClient *c);
|
|
void lpushxCommand(redisClient *c);
|
|
void rpushxCommand(redisClient *c);
|
|
void linsertCommand(redisClient *c);
|
|
void lpopCommand(redisClient *c);
|
|
void rpopCommand(redisClient *c);
|
|
void llenCommand(redisClient *c);
|
|
void lindexCommand(redisClient *c);
|
|
void lrangeCommand(redisClient *c);
|
|
void ltrimCommand(redisClient *c);
|
|
void typeCommand(redisClient *c);
|
|
void lsetCommand(redisClient *c);
|
|
void saddCommand(redisClient *c);
|
|
void sremCommand(redisClient *c);
|
|
void smoveCommand(redisClient *c);
|
|
void sismemberCommand(redisClient *c);
|
|
void scardCommand(redisClient *c);
|
|
void spopCommand(redisClient *c);
|
|
void srandmemberCommand(redisClient *c);
|
|
void sinterCommand(redisClient *c);
|
|
void sinterstoreCommand(redisClient *c);
|
|
void sunionCommand(redisClient *c);
|
|
void sunionstoreCommand(redisClient *c);
|
|
void sdiffCommand(redisClient *c);
|
|
void sdiffstoreCommand(redisClient *c);
|
|
void sscanCommand(redisClient *c);
|
|
void syncCommand(redisClient *c);
|
|
void flushdbCommand(redisClient *c);
|
|
void flushallCommand(redisClient *c);
|
|
void sortCommand(redisClient *c);
|
|
void lremCommand(redisClient *c);
|
|
void rpoplpushCommand(redisClient *c);
|
|
void infoCommand(redisClient *c);
|
|
void mgetCommand(redisClient *c);
|
|
void monitorCommand(redisClient *c);
|
|
void expireCommand(redisClient *c);
|
|
void expireatCommand(redisClient *c);
|
|
void pexpireCommand(redisClient *c);
|
|
void pexpireatCommand(redisClient *c);
|
|
void getsetCommand(redisClient *c);
|
|
void ttlCommand(redisClient *c);
|
|
void pttlCommand(redisClient *c);
|
|
void persistCommand(redisClient *c);
|
|
void slaveofCommand(redisClient *c);
|
|
void roleCommand(redisClient *c);
|
|
void debugCommand(redisClient *c);
|
|
void msetCommand(redisClient *c);
|
|
void msetnxCommand(redisClient *c);
|
|
void zaddCommand(redisClient *c);
|
|
void zincrbyCommand(redisClient *c);
|
|
void zrangeCommand(redisClient *c);
|
|
void zrangebyscoreCommand(redisClient *c);
|
|
void zrevrangebyscoreCommand(redisClient *c);
|
|
void zrangebylexCommand(redisClient *c);
|
|
void zrevrangebylexCommand(redisClient *c);
|
|
void zcountCommand(redisClient *c);
|
|
void zlexcountCommand(redisClient *c);
|
|
void zrevrangeCommand(redisClient *c);
|
|
void zcardCommand(redisClient *c);
|
|
void zremCommand(redisClient *c);
|
|
void zscoreCommand(redisClient *c);
|
|
void zremrangebyscoreCommand(redisClient *c);
|
|
void zremrangebylexCommand(redisClient *c);
|
|
void multiCommand(redisClient *c);
|
|
void execCommand(redisClient *c);
|
|
void discardCommand(redisClient *c);
|
|
void blpopCommand(redisClient *c);
|
|
void brpopCommand(redisClient *c);
|
|
void brpoplpushCommand(redisClient *c);
|
|
void appendCommand(redisClient *c);
|
|
void strlenCommand(redisClient *c);
|
|
void zrankCommand(redisClient *c);
|
|
void zrevrankCommand(redisClient *c);
|
|
void hsetCommand(redisClient *c);
|
|
void hsetnxCommand(redisClient *c);
|
|
void hgetCommand(redisClient *c);
|
|
void hmsetCommand(redisClient *c);
|
|
void hmgetCommand(redisClient *c);
|
|
void hdelCommand(redisClient *c);
|
|
void hlenCommand(redisClient *c);
|
|
void zremrangebyrankCommand(redisClient *c);
|
|
void zunionstoreCommand(redisClient *c);
|
|
void zinterstoreCommand(redisClient *c);
|
|
void zscanCommand(redisClient *c);
|
|
void hkeysCommand(redisClient *c);
|
|
void hvalsCommand(redisClient *c);
|
|
void hgetallCommand(redisClient *c);
|
|
void hexistsCommand(redisClient *c);
|
|
void hscanCommand(redisClient *c);
|
|
void configCommand(redisClient *c);
|
|
void hincrbyCommand(redisClient *c);
|
|
void hincrbyfloatCommand(redisClient *c);
|
|
void subscribeCommand(redisClient *c);
|
|
void unsubscribeCommand(redisClient *c);
|
|
void psubscribeCommand(redisClient *c);
|
|
void punsubscribeCommand(redisClient *c);
|
|
void publishCommand(redisClient *c);
|
|
void pubsubCommand(redisClient *c);
|
|
void watchCommand(redisClient *c);
|
|
void unwatchCommand(redisClient *c);
|
|
void clusterCommand(redisClient *c);
|
|
void restoreCommand(redisClient *c);
|
|
void migrateCommand(redisClient *c);
|
|
void askingCommand(redisClient *c);
|
|
void readonlyCommand(redisClient *c);
|
|
void readwriteCommand(redisClient *c);
|
|
void dumpCommand(redisClient *c);
|
|
void objectCommand(redisClient *c);
|
|
void clientCommand(redisClient *c);
|
|
void evalCommand(redisClient *c);
|
|
void evalShaCommand(redisClient *c);
|
|
void scriptCommand(redisClient *c);
|
|
void timeCommand(redisClient *c);
|
|
void bitopCommand(redisClient *c);
|
|
void bitcountCommand(redisClient *c);
|
|
void bitposCommand(redisClient *c);
|
|
void replconfCommand(redisClient *c);
|
|
void waitCommand(redisClient *c);
|
|
void pfselftestCommand(redisClient *c);
|
|
void pfaddCommand(redisClient *c);
|
|
void pfcountCommand(redisClient *c);
|
|
void pfmergeCommand(redisClient *c);
|
|
void pfdebugCommand(redisClient *c);
|
|
void latencyCommand(redisClient *c);
|
|
|
|
#if defined(__GNUC__)
|
|
void *calloc(size_t count, size_t size) __attribute__ ((deprecated));
|
|
void free(void *ptr) __attribute__ ((deprecated));
|
|
void *malloc(size_t size) __attribute__ ((deprecated));
|
|
void *realloc(void *ptr, size_t size) __attribute__ ((deprecated));
|
|
#endif
|
|
|
|
/* Debugging stuff */
|
|
void _redisAssertWithInfo(redisClient *c, robj *o, char *estr, char *file, int line);
|
|
void _redisAssert(char *estr, char *file, int line);
|
|
void _redisPanic(char *msg, char *file, int line);
|
|
void bugReportStart(void);
|
|
void redisLogObjectDebugInfo(robj *o);
|
|
void sigsegvHandler(int sig, siginfo_t *info, void *secret);
|
|
sds genRedisInfoString(char *section);
|
|
void enableWatchdog(int period);
|
|
void disableWatchdog(void);
|
|
void watchdogScheduleSignal(int period);
|
|
void redisLogHexDump(int level, char *descr, void *value, size_t len);
|
|
|
|
#define redisDebug(fmt, ...) \
|
|
printf("DEBUG %s:%d > " fmt "\n", __FILE__, __LINE__, __VA_ARGS__)
|
|
#define redisDebugMark() \
|
|
printf("-- MARK %s:%d --\n", __FILE__, __LINE__)
|
|
|
|
#endif
|