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server.appendonly -> server.aof_state, and many comments added in the server global state structure in the process.

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antirez 2011-12-21 10:05:32 +01:00
parent b4fb720b10
commit c6ac7d0302
1 changed files with 95 additions and 92 deletions
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187
src/redis.h
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@ -124,6 +124,11 @@
#define REDIS_RDB_ENC_INT32 2 /* 32 bit signed integer */ #define REDIS_RDB_ENC_INT32 2 /* 32 bit signed integer */
#define REDIS_RDB_ENC_LZF 3 /* string compressed with FASTLZ */ #define REDIS_RDB_ENC_LZF 3 /* string compressed with FASTLZ */
/* AOF states */
#define REDIS_AOF_OFF 0 /* AOF is off */
#define REDIS_AOF_ON 1 /* AOF is on */
#define REDIS_AOF_WAIT_REWRITE 2 /* AOF waits rewrite to start appending */
/* Client flags */ /* Client flags */
#define REDIS_SLAVE 1 /* This client is a slave server */ #define REDIS_SLAVE 1 /* This client is a slave server */
#define REDIS_MASTER 2 /* This client is a master server */ #define REDIS_MASTER 2 /* This client is a master server */
@ -498,113 +503,114 @@ struct redisServer {
redisDb *db; redisDb *db;
dict *commands; /* Command table hahs table */ dict *commands; /* Command table hahs table */
aeEventLoop *el; aeEventLoop *el;
unsigned lruclock:22; /* Clock incrementing every minute, for LRU */
unsigned lruclock_padding:10;
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 */
/* Networking */ /* Networking */
int port; int port; /* TCP listening port */
char *bindaddr; char *bindaddr; /* Bind address or NULL */
char *unixsocket; char *unixsocket; /* UNIX socket path */
mode_t unixsocketperm; mode_t unixsocketperm; /* UNIX socket permission */
int ipfd; int ipfd; /* TCP socket file descriptor */
int sofd; int sofd; /* Unix socket file descriptor */
int cfd; int cfd; /* Cluster bus lisetning socket */
list *clients; list *clients; /* List of active clients */
list *slaves, *monitors; list *slaves, *monitors; /* List of slaves and MONITORs */
char neterr[ANET_ERR_LEN]; char neterr[ANET_ERR_LEN]; /* Error buffer for anet.c */
/* RDB / AOF loading information */ /* RDB / AOF loading information */
int loading; int loading; /* We are loading data from disk if true */
off_t loading_total_bytes; off_t loading_total_bytes;
off_t loading_loaded_bytes; off_t loading_loaded_bytes;
time_t loading_start_time; time_t loading_start_time;
/* Fast pointers to often looked up command */ /* Fast pointers to often looked up command */
struct redisCommand *delCommand, *multiCommand; struct redisCommand *delCommand, *multiCommand;
int cronloops; /* number of times the cron function run */ int cronloops; /* Number of times the cron function run */
time_t lastsave; /* Unix time of last save succeeede */ time_t lastsave; /* Unix time of last save succeeede */
/* Fields used only for stats */ /* Fields used only for stats */
time_t stat_starttime; /* server start time */ time_t stat_starttime; /* Server start time */
long long stat_numcommands; /* number of processed commands */ long long stat_numcommands; /* Number of processed commands */
long long stat_numconnections; /* number of connections received */ long long stat_numconnections; /* Number of connections received */
long long stat_expiredkeys; /* number of expired keys */ long long stat_expiredkeys; /* Number of expired keys */
long long stat_evictedkeys; /* number of evicted keys (maxmemory) */ long long stat_evictedkeys; /* Number of evicted keys (maxmemory) */
long long stat_keyspace_hits; /* number of successful lookups of keys */ long long stat_keyspace_hits; /* Number of successful lookups of keys */
long long stat_keyspace_misses; /* number of failed lookups of keys */ long long stat_keyspace_misses; /* Number of failed lookups of keys */
size_t stat_peak_memory; /* max used memory record */ size_t stat_peak_memory; /* Max used memory record */
long long stat_fork_time; /* time needed to perform latets fork() */ long long stat_fork_time; /* Time needed to perform latets fork() */
long long stat_rejected_conn; /* clients rejected because of maxclients */ long long stat_rejected_conn; /* Clients rejected because of maxclients */
list *slowlog; list *slowlog; /* SLOWLOG list of commands */
long long slowlog_entry_id; long long slowlog_entry_id; /* SLOWLOG current entry ID */
long long slowlog_log_slower_than; long long slowlog_log_slower_than; /* SLOWLOG time limit (to get logged) */
unsigned long slowlog_max_len; unsigned long slowlog_max_len; /* SLOWLOG max number of items logged */
/* Configuration */ /* Configuration */
int verbosity; int verbosity; /* Loglevel in redis.conf */
int maxidletime; int maxidletime; /* Client timeout in seconds */
size_t client_max_querybuf_len; size_t client_max_querybuf_len; /* Limit for client query buffer length */
int dbnum; int dbnum; /* Total number of configured DBs */
int daemonize; int daemonize; /* True if running as a daemon */
int appendonly; /* AOF persistence */
int appendfsync; int aof_state; /* REDIS_AOF_(ON|OFF|WAIT_REWRITE) */
int no_appendfsync_on_rewrite; int appendfsync; /* Kind of fsync() policy */
char *appendfilename; /* Name of the AOF file */
int no_appendfsync_on_rewrite; /* Don't fsync if a rewrite is in prog. */
int auto_aofrewrite_perc; /* Rewrite AOF if % growth is > M and... */ int auto_aofrewrite_perc; /* Rewrite AOF if % growth is > M and... */
off_t auto_aofrewrite_min_size; /* the AOF file is at least N bytes. */ off_t auto_aofrewrite_min_size; /* the AOF file is at least N bytes. */
off_t auto_aofrewrite_base_size;/* AOF size on latest startup or rewrite. */ off_t auto_aofrewrite_base_size;/* AOF size on latest startup or rewrite. */
off_t appendonly_current_size; /* AOF current size. */ off_t appendonly_current_size; /* AOF current size. */
int aofrewrite_scheduled; /* Rewrite once BGSAVE terminates. */ int aofrewrite_scheduled; /* Rewrite once BGSAVE terminates. */
int aof_wait_rewrite; /* Don't append to AOF before rewrite */ int aof_wait_rewrite; /* Don't append to AOF before rewrite */
int shutdown_asap; /* SHUTDOWN needed */ pid_t bgrewritechildpid; /* PID if rewriting process */
int activerehashing;
char *requirepass;
/* Persistence */
long long dirty; /* changes to DB from the last save */
long long dirty_before_bgsave; /* used to restore dirty on failed BGSAVE */
time_t lastfsync;
int appendfd;
int appendseldb;
time_t aof_flush_postponed_start;
char *pidfile;
pid_t bgsavechildpid;
pid_t bgrewritechildpid;
sds bgrewritebuf; /* buffer taken by parent during oppend only rewrite */ sds bgrewritebuf; /* buffer taken by parent during oppend only rewrite */
sds aofbuf; /* AOF buffer, written before entering the event loop */ sds aofbuf; /* AOF buffer, written before entering the event loop */
struct saveparam *saveparams; int appendfd; /* File descriptor of currently selected AOF file */
int saveparamslen; int appendseldb; /* Currently selected DB in AOF */
char *dbfilename; time_t aof_flush_postponed_start; /* UNIX time of postponed AOF flush */
int rdbcompression; time_t lastfsync; /* UNIX time of last fsync() */
char *appendfilename; /* 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 bgsavechildpid; /* PID of RDB saving child */
struct saveparam *saveparams; /* Save points array for RDB */
int saveparamslen; /* Number of saving points */
char *dbfilename; /* Name of RDB file */
int rdbcompression; /* Use compression in RDB? */
/* Logging */ /* Logging */
char *logfile; char *logfile; /* Path of log file */
int syslog_enabled; int syslog_enabled; /* Is syslog enabled? */
char *syslog_ident; char *syslog_ident; /* Syslog ident */
int syslog_facility; int syslog_facility; /* Syslog facility */
/* Replication related */
int isslave;
/* Slave specific fields */ /* Slave specific fields */
char *masterauth; char *masterauth; /* AUTH with this password with master */
char *masterhost; char *masterhost; /* Hostname of master */
int masterport; int masterport; /* Port of master */
int repl_ping_slave_period; int repl_ping_slave_period; /* Master pings the salve every N seconds */
int repl_timeout; int repl_timeout; /* Timeout after N seconds of master idle */
redisClient *master; /* client that is master for this slave */ redisClient *master; /* Client that is master for this slave */
int repl_syncio_timeout; /* timeout for synchronous I/O calls */ int repl_syncio_timeout; /* Timeout for synchronous I/O calls */
int replstate; /* replication status if the instance is a slave */ int replstate; /* Replication status if the instance is a slave */
off_t repl_transfer_left; /* bytes left reading .rdb */ off_t repl_transfer_left; /* Bytes left reading .rdb */
int repl_transfer_s; /* slave -> master SYNC socket */ int repl_transfer_s; /* Slave -> Master SYNC socket */
int repl_transfer_fd; /* slave -> master SYNC temp file descriptor */ int repl_transfer_fd; /* Slave -> Master SYNC temp file descriptor */
char *repl_transfer_tmpfile; /* slave-> master SYNC temp file name */ char *repl_transfer_tmpfile; /* Slave-> master SYNC temp file name */
time_t repl_transfer_lastio; /* unix time of the latest read, for timeout */ 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_serve_stale_data; /* Serve stale data when link is down? */
time_t repl_down_since; /* unix time at which link with master went down */ time_t repl_down_since; /* Unix time at which link with master went down */
/* Limits */ /* Limits */
unsigned int maxclients; unsigned int maxclients; /* Max number of simultaneous clients */
unsigned long long maxmemory; unsigned long long maxmemory; /* Max number of memory bytes to use */
int maxmemory_policy; int maxmemory_policy; /* Policy for key evition */
int maxmemory_samples; int maxmemory_samples; /* Pricision of random sampling */
/* Blocked clients */ /* Blocked clients */
unsigned int bpop_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 *unblocked_clients; /* list of clients to unblock before next loop */
/* Sort parameters - qsort_r() is only available under BSD so we /* Sort parameters - qsort_r() is only available under BSD so we
* have to take this state global, in order to pass it to sortCompare() */ * have to take this state global, in order to pass it to sortCompare() */
int sort_desc; int sort_desc;
int sort_alpha; int sort_alpha;
int sort_bypattern; int sort_bypattern;
/* Zip structure config */ /* Zip structure config, see redis.conf for more information */
size_t hash_max_zipmap_entries; size_t hash_max_zipmap_entries;
size_t hash_max_zipmap_value; size_t hash_max_zipmap_value;
size_t list_max_ziplist_entries; size_t list_max_ziplist_entries;
@ -612,23 +618,20 @@ struct redisServer {
size_t set_max_intset_entries; size_t set_max_intset_entries;
size_t zset_max_ziplist_entries; size_t zset_max_ziplist_entries;
size_t zset_max_ziplist_value; size_t zset_max_ziplist_value;
time_t unixtime; /* Unix time sampled every second. */ time_t unixtime; /* Unix time sampled every second. */
/* Pubsub */ /* Pubsub */
dict *pubsub_channels; /* Map channels to list of subscribed clients */ dict *pubsub_channels; /* Map channels to list of subscribed clients */
list *pubsub_patterns; /* A list of pubsub_patterns */ list *pubsub_patterns; /* A list of pubsub_patterns */
/* Misc */
unsigned lruclock:22; /* clock incrementing every minute, for LRU */
unsigned lruclock_padding:10;
/* Cluster */ /* Cluster */
int cluster_enabled; int cluster_enabled; /* Is cluster enabled? */
clusterState cluster; clusterState cluster; /* State of the cluster */
/* Scripting */ /* Scripting */
lua_State *lua; /* The Lua interpreter. We use just one for all clients */ 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_client; /* The "fake client" to query Redis from Lua */
redisClient *lua_caller; /* The client running EVAL right now, or NULL */ redisClient *lua_caller; /* The client running EVAL right now, or NULL */
dict *lua_scripts; /* A dictionary of SHA1 -> Lua scripts */ dict *lua_scripts; /* A dictionary of SHA1 -> Lua scripts */
long long lua_time_limit; long long lua_time_limit; /* Script timeout in seconds */
long long lua_time_start; long long lua_time_start; /* Start time of script */
int lua_write_dirty; /* True if a write command was called during the int lua_write_dirty; /* True if a write command was called during the
execution of the current script. */ execution of the current script. */
int lua_random_dirty; /* True if a random command was called during the int lua_random_dirty; /* True if a random command was called during the
@ -640,7 +643,7 @@ struct redisServer {
char *assert_failed; char *assert_failed;
char *assert_file; char *assert_file;
int assert_line; int assert_line;
int bug_report_start; /* True if bug report header already logged. */ int bug_report_start; /* True if bug report header was already logged. */
}; };
typedef struct pubsubPattern { typedef struct pubsubPattern {