X-Git-Url: https://git.saurik.com/redis.git/blobdiff_plain/d2033feb5cd94872fc02fe9506d21ccb5ebf286e..1187b0a56e4458d49250c1121d53275b8f837694:/src/redis.c diff --git a/src/redis.c b/src/redis.c index c567710e..73cd6dee 100644 --- a/src/redis.c +++ b/src/redis.c @@ -68,148 +68,144 @@ double R_Zero, R_PosInf, R_NegInf, R_Nan; /* Global vars */ struct redisServer server; /* server global state */ struct redisCommand *commandTable; -struct redisCommand readonlyCommandTable[] = { - {"get",getCommand,2,0,NULL,1,1,1}, - {"set",setCommand,3,REDIS_CMD_DENYOOM,NULL,0,0,0}, - {"setnx",setnxCommand,3,REDIS_CMD_DENYOOM,NULL,0,0,0}, - {"setex",setexCommand,4,REDIS_CMD_DENYOOM,NULL,0,0,0}, - {"append",appendCommand,3,REDIS_CMD_DENYOOM,NULL,1,1,1}, - {"strlen",strlenCommand,2,0,NULL,1,1,1}, - {"del",delCommand,-2,0,NULL,0,0,0}, - {"exists",existsCommand,2,0,NULL,1,1,1}, - {"setbit",setbitCommand,4,REDIS_CMD_DENYOOM,NULL,1,1,1}, - {"getbit",getbitCommand,3,0,NULL,1,1,1}, - {"setrange",setrangeCommand,4,REDIS_CMD_DENYOOM,NULL,1,1,1}, - {"getrange",getrangeCommand,4,0,NULL,1,1,1}, - {"substr",getrangeCommand,4,0,NULL,1,1,1}, - {"incr",incrCommand,2,REDIS_CMD_DENYOOM,NULL,1,1,1}, - {"decr",decrCommand,2,REDIS_CMD_DENYOOM,NULL,1,1,1}, - {"mget",mgetCommand,-2,0,NULL,1,-1,1}, - {"rpush",rpushCommand,3,REDIS_CMD_DENYOOM,NULL,1,1,1}, - {"lpush",lpushCommand,3,REDIS_CMD_DENYOOM,NULL,1,1,1}, - {"rpushx",rpushxCommand,3,REDIS_CMD_DENYOOM,NULL,1,1,1}, - {"lpushx",lpushxCommand,3,REDIS_CMD_DENYOOM,NULL,1,1,1}, - {"linsert",linsertCommand,5,REDIS_CMD_DENYOOM,NULL,1,1,1}, - {"rpop",rpopCommand,2,0,NULL,1,1,1}, - {"lpop",lpopCommand,2,0,NULL,1,1,1}, - {"brpop",brpopCommand,-3,0,NULL,1,1,1}, - {"brpoplpush",brpoplpushCommand,4,REDIS_CMD_DENYOOM,NULL,1,2,1}, - {"blpop",blpopCommand,-3,0,NULL,1,1,1}, - {"llen",llenCommand,2,0,NULL,1,1,1}, - {"lindex",lindexCommand,3,0,NULL,1,1,1}, - {"lset",lsetCommand,4,REDIS_CMD_DENYOOM,NULL,1,1,1}, - {"lrange",lrangeCommand,4,0,NULL,1,1,1}, - {"ltrim",ltrimCommand,4,0,NULL,1,1,1}, - {"lrem",lremCommand,4,0,NULL,1,1,1}, - {"rpoplpush",rpoplpushCommand,3,REDIS_CMD_DENYOOM,NULL,1,2,1}, - {"sadd",saddCommand,3,REDIS_CMD_DENYOOM,NULL,1,1,1}, - {"srem",sremCommand,3,0,NULL,1,1,1}, - {"smove",smoveCommand,4,0,NULL,1,2,1}, - {"sismember",sismemberCommand,3,0,NULL,1,1,1}, - {"scard",scardCommand,2,0,NULL,1,1,1}, - {"spop",spopCommand,2,0,NULL,1,1,1}, - {"srandmember",srandmemberCommand,2,0,NULL,1,1,1}, - {"sinter",sinterCommand,-2,REDIS_CMD_DENYOOM,NULL,1,-1,1}, - {"sinterstore",sinterstoreCommand,-3,REDIS_CMD_DENYOOM,NULL,2,-1,1}, - {"sunion",sunionCommand,-2,REDIS_CMD_DENYOOM,NULL,1,-1,1}, - {"sunionstore",sunionstoreCommand,-3,REDIS_CMD_DENYOOM,NULL,2,-1,1}, - {"sdiff",sdiffCommand,-2,REDIS_CMD_DENYOOM,NULL,1,-1,1}, - {"sdiffstore",sdiffstoreCommand,-3,REDIS_CMD_DENYOOM,NULL,2,-1,1}, - {"smembers",sinterCommand,2,0,NULL,1,1,1}, - {"zadd",zaddCommand,4,REDIS_CMD_DENYOOM,NULL,1,1,1}, - {"zincrby",zincrbyCommand,4,REDIS_CMD_DENYOOM,NULL,1,1,1}, - {"zrem",zremCommand,3,0,NULL,1,1,1}, - {"zremrangebyscore",zremrangebyscoreCommand,4,0,NULL,1,1,1}, - {"zremrangebyrank",zremrangebyrankCommand,4,0,NULL,1,1,1}, - {"zunionstore",zunionstoreCommand,-4,REDIS_CMD_DENYOOM,zunionInterBlockClientOnSwappedKeys,0,0,0}, - {"zinterstore",zinterstoreCommand,-4,REDIS_CMD_DENYOOM,zunionInterBlockClientOnSwappedKeys,0,0,0}, - {"zrange",zrangeCommand,-4,0,NULL,1,1,1}, - {"zrangebyscore",zrangebyscoreCommand,-4,0,NULL,1,1,1}, - {"zrevrangebyscore",zrevrangebyscoreCommand,-4,0,NULL,1,1,1}, - {"zcount",zcountCommand,4,0,NULL,1,1,1}, - {"zrevrange",zrevrangeCommand,-4,0,NULL,1,1,1}, - {"zcard",zcardCommand,2,0,NULL,1,1,1}, - {"zscore",zscoreCommand,3,0,NULL,1,1,1}, - {"zrank",zrankCommand,3,0,NULL,1,1,1}, - {"zrevrank",zrevrankCommand,3,0,NULL,1,1,1}, - {"hset",hsetCommand,4,REDIS_CMD_DENYOOM,NULL,1,1,1}, - {"hsetnx",hsetnxCommand,4,REDIS_CMD_DENYOOM,NULL,1,1,1}, - {"hget",hgetCommand,3,0,NULL,1,1,1}, - {"hmset",hmsetCommand,-4,REDIS_CMD_DENYOOM,NULL,1,1,1}, - {"hmget",hmgetCommand,-3,0,NULL,1,1,1}, - {"hincrby",hincrbyCommand,4,REDIS_CMD_DENYOOM,NULL,1,1,1}, - {"hdel",hdelCommand,3,0,NULL,1,1,1}, - {"hlen",hlenCommand,2,0,NULL,1,1,1}, - {"hkeys",hkeysCommand,2,0,NULL,1,1,1}, - {"hvals",hvalsCommand,2,0,NULL,1,1,1}, - {"hgetall",hgetallCommand,2,0,NULL,1,1,1}, - {"hexists",hexistsCommand,3,0,NULL,1,1,1}, - {"incrby",incrbyCommand,3,REDIS_CMD_DENYOOM,NULL,1,1,1}, - {"decrby",decrbyCommand,3,REDIS_CMD_DENYOOM,NULL,1,1,1}, - {"getset",getsetCommand,3,REDIS_CMD_DENYOOM,NULL,1,1,1}, - {"mset",msetCommand,-3,REDIS_CMD_DENYOOM,NULL,1,-1,2}, - {"msetnx",msetnxCommand,-3,REDIS_CMD_DENYOOM,NULL,1,-1,2}, - {"randomkey",randomkeyCommand,1,0,NULL,0,0,0}, - {"select",selectCommand,2,0,NULL,0,0,0}, - {"move",moveCommand,3,0,NULL,1,1,1}, - {"rename",renameCommand,3,0,NULL,1,1,1}, - {"renamenx",renamenxCommand,3,0,NULL,1,1,1}, - {"expire",expireCommand,3,0,NULL,0,0,0}, - {"expireat",expireatCommand,3,0,NULL,0,0,0}, - {"keys",keysCommand,2,0,NULL,0,0,0}, - {"dbsize",dbsizeCommand,1,0,NULL,0,0,0}, - {"auth",authCommand,2,0,NULL,0,0,0}, - {"ping",pingCommand,1,0,NULL,0,0,0}, - {"echo",echoCommand,2,0,NULL,0,0,0}, - {"save",saveCommand,1,0,NULL,0,0,0}, - {"bgsave",bgsaveCommand,1,0,NULL,0,0,0}, - {"bgrewriteaof",bgrewriteaofCommand,1,0,NULL,0,0,0}, - {"shutdown",shutdownCommand,1,0,NULL,0,0,0}, - {"lastsave",lastsaveCommand,1,0,NULL,0,0,0}, - {"type",typeCommand,2,0,NULL,1,1,1}, - {"multi",multiCommand,1,0,NULL,0,0,0}, - {"exec",execCommand,1,REDIS_CMD_DENYOOM,execBlockClientOnSwappedKeys,0,0,0}, - {"discard",discardCommand,1,0,NULL,0,0,0}, - {"sync",syncCommand,1,0,NULL,0,0,0}, - {"flushdb",flushdbCommand,1,0,NULL,0,0,0}, - {"flushall",flushallCommand,1,0,NULL,0,0,0}, - {"sort",sortCommand,-2,REDIS_CMD_DENYOOM,NULL,1,1,1}, - {"info",infoCommand,1,0,NULL,0,0,0}, - {"monitor",monitorCommand,1,0,NULL,0,0,0}, - {"ttl",ttlCommand,2,0,NULL,1,1,1}, - {"persist",persistCommand,2,0,NULL,1,1,1}, - {"slaveof",slaveofCommand,3,0,NULL,0,0,0}, - {"debug",debugCommand,-2,0,NULL,0,0,0}, - {"config",configCommand,-2,0,NULL,0,0,0}, - {"subscribe",subscribeCommand,-2,0,NULL,0,0,0}, - {"unsubscribe",unsubscribeCommand,-1,0,NULL,0,0,0}, - {"psubscribe",psubscribeCommand,-2,0,NULL,0,0,0}, - {"punsubscribe",punsubscribeCommand,-1,0,NULL,0,0,0}, - {"publish",publishCommand,3,REDIS_CMD_FORCE_REPLICATION,NULL,0,0,0}, - {"watch",watchCommand,-2,0,NULL,0,0,0}, - {"unwatch",unwatchCommand,1,0,NULL,0,0,0} +struct redisCommand redisCommandTable[] = { + {"get",getCommand,2,0,NULL,1,1,1,0,0}, + {"set",setCommand,3,REDIS_CMD_DENYOOM,NULL,0,0,0,0,0}, + {"setnx",setnxCommand,3,REDIS_CMD_DENYOOM,NULL,0,0,0,0,0}, + {"setex",setexCommand,4,REDIS_CMD_DENYOOM,NULL,0,0,0,0,0}, + {"append",appendCommand,3,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0}, + {"strlen",strlenCommand,2,0,NULL,1,1,1,0,0}, + {"del",delCommand,-2,0,NULL,0,0,0,0,0}, + {"exists",existsCommand,2,0,NULL,1,1,1,0,0}, + {"setbit",setbitCommand,4,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0}, + {"getbit",getbitCommand,3,0,NULL,1,1,1,0,0}, + {"setrange",setrangeCommand,4,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0}, + {"getrange",getrangeCommand,4,0,NULL,1,1,1,0,0}, + {"substr",getrangeCommand,4,0,NULL,1,1,1,0,0}, + {"incr",incrCommand,2,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0}, + {"decr",decrCommand,2,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0}, + {"mget",mgetCommand,-2,0,NULL,1,-1,1,0,0}, + {"rpush",rpushCommand,3,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0}, + {"lpush",lpushCommand,3,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0}, + {"rpushx",rpushxCommand,3,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0}, + {"lpushx",lpushxCommand,3,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0}, + {"linsert",linsertCommand,5,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0}, + {"rpop",rpopCommand,2,0,NULL,1,1,1,0,0}, + {"lpop",lpopCommand,2,0,NULL,1,1,1,0,0}, + {"brpop",brpopCommand,-3,0,NULL,1,1,1,0,0}, + {"brpoplpush",brpoplpushCommand,4,REDIS_CMD_DENYOOM,NULL,1,2,1,0,0}, + {"blpop",blpopCommand,-3,0,NULL,1,1,1,0,0}, + {"llen",llenCommand,2,0,NULL,1,1,1,0,0}, + {"lindex",lindexCommand,3,0,NULL,1,1,1,0,0}, + {"lset",lsetCommand,4,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0}, + {"lrange",lrangeCommand,4,0,NULL,1,1,1,0,0}, + {"ltrim",ltrimCommand,4,0,NULL,1,1,1,0,0}, + {"lrem",lremCommand,4,0,NULL,1,1,1,0,0}, + {"rpoplpush",rpoplpushCommand,3,REDIS_CMD_DENYOOM,NULL,1,2,1,0,0}, + {"sadd",saddCommand,3,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0}, + {"srem",sremCommand,3,0,NULL,1,1,1,0,0}, + {"smove",smoveCommand,4,0,NULL,1,2,1,0,0}, + {"sismember",sismemberCommand,3,0,NULL,1,1,1,0,0}, + {"scard",scardCommand,2,0,NULL,1,1,1,0,0}, + {"spop",spopCommand,2,0,NULL,1,1,1,0,0}, + {"srandmember",srandmemberCommand,2,0,NULL,1,1,1,0,0}, + {"sinter",sinterCommand,-2,REDIS_CMD_DENYOOM,NULL,1,-1,1,0,0}, + {"sinterstore",sinterstoreCommand,-3,REDIS_CMD_DENYOOM,NULL,2,-1,1,0,0}, + {"sunion",sunionCommand,-2,REDIS_CMD_DENYOOM,NULL,1,-1,1,0,0}, + {"sunionstore",sunionstoreCommand,-3,REDIS_CMD_DENYOOM,NULL,2,-1,1,0,0}, + {"sdiff",sdiffCommand,-2,REDIS_CMD_DENYOOM,NULL,1,-1,1,0,0}, + {"sdiffstore",sdiffstoreCommand,-3,REDIS_CMD_DENYOOM,NULL,2,-1,1,0,0}, + {"smembers",sinterCommand,2,0,NULL,1,1,1,0,0}, + {"zadd",zaddCommand,4,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0}, + {"zincrby",zincrbyCommand,4,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0}, + {"zrem",zremCommand,3,0,NULL,1,1,1,0,0}, + {"zremrangebyscore",zremrangebyscoreCommand,4,0,NULL,1,1,1,0,0}, + {"zremrangebyrank",zremrangebyrankCommand,4,0,NULL,1,1,1,0,0}, + {"zunionstore",zunionstoreCommand,-4,REDIS_CMD_DENYOOM,zunionInterBlockClientOnSwappedKeys,0,0,0,0,0}, + {"zinterstore",zinterstoreCommand,-4,REDIS_CMD_DENYOOM,zunionInterBlockClientOnSwappedKeys,0,0,0,0,0}, + {"zrange",zrangeCommand,-4,0,NULL,1,1,1,0,0}, + {"zrangebyscore",zrangebyscoreCommand,-4,0,NULL,1,1,1,0,0}, + {"zrevrangebyscore",zrevrangebyscoreCommand,-4,0,NULL,1,1,1,0,0}, + {"zcount",zcountCommand,4,0,NULL,1,1,1,0,0}, + {"zrevrange",zrevrangeCommand,-4,0,NULL,1,1,1,0,0}, + {"zcard",zcardCommand,2,0,NULL,1,1,1,0,0}, + {"zscore",zscoreCommand,3,0,NULL,1,1,1,0,0}, + {"zrank",zrankCommand,3,0,NULL,1,1,1,0,0}, + {"zrevrank",zrevrankCommand,3,0,NULL,1,1,1,0,0}, + {"hset",hsetCommand,4,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0}, + {"hsetnx",hsetnxCommand,4,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0}, + {"hget",hgetCommand,3,0,NULL,1,1,1,0,0}, + {"hmset",hmsetCommand,-4,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0}, + {"hmget",hmgetCommand,-3,0,NULL,1,1,1,0,0}, + {"hincrby",hincrbyCommand,4,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0}, + {"hdel",hdelCommand,3,0,NULL,1,1,1,0,0}, + {"hlen",hlenCommand,2,0,NULL,1,1,1,0,0}, + {"hkeys",hkeysCommand,2,0,NULL,1,1,1,0,0}, + {"hvals",hvalsCommand,2,0,NULL,1,1,1,0,0}, + {"hgetall",hgetallCommand,2,0,NULL,1,1,1,0,0}, + {"hexists",hexistsCommand,3,0,NULL,1,1,1,0,0}, + {"incrby",incrbyCommand,3,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0}, + {"decrby",decrbyCommand,3,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0}, + {"getset",getsetCommand,3,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0}, + {"mset",msetCommand,-3,REDIS_CMD_DENYOOM,NULL,1,-1,2,0,0}, + {"msetnx",msetnxCommand,-3,REDIS_CMD_DENYOOM,NULL,1,-1,2,0,0}, + {"randomkey",randomkeyCommand,1,0,NULL,0,0,0,0,0}, + {"select",selectCommand,2,0,NULL,0,0,0,0,0}, + {"move",moveCommand,3,0,NULL,1,1,1,0,0}, + {"rename",renameCommand,3,0,NULL,1,1,1,0,0}, + {"renamenx",renamenxCommand,3,0,NULL,1,1,1,0,0}, + {"expire",expireCommand,3,0,NULL,0,0,0,0,0}, + {"expireat",expireatCommand,3,0,NULL,0,0,0,0,0}, + {"keys",keysCommand,2,0,NULL,0,0,0,0,0}, + {"dbsize",dbsizeCommand,1,0,NULL,0,0,0,0,0}, + {"auth",authCommand,2,0,NULL,0,0,0,0,0}, + {"ping",pingCommand,1,0,NULL,0,0,0,0,0}, + {"echo",echoCommand,2,0,NULL,0,0,0,0,0}, + {"save",saveCommand,1,0,NULL,0,0,0,0,0}, + {"bgsave",bgsaveCommand,1,0,NULL,0,0,0,0,0}, + {"bgrewriteaof",bgrewriteaofCommand,1,0,NULL,0,0,0,0,0}, + {"shutdown",shutdownCommand,1,0,NULL,0,0,0,0,0}, + {"lastsave",lastsaveCommand,1,0,NULL,0,0,0,0,0}, + {"type",typeCommand,2,0,NULL,1,1,1,0,0}, + {"multi",multiCommand,1,0,NULL,0,0,0,0,0}, + {"exec",execCommand,1,REDIS_CMD_DENYOOM,execBlockClientOnSwappedKeys,0,0,0,0,0}, + {"discard",discardCommand,1,0,NULL,0,0,0,0,0}, + {"sync",syncCommand,1,0,NULL,0,0,0,0,0}, + {"flushdb",flushdbCommand,1,0,NULL,0,0,0,0,0}, + {"flushall",flushallCommand,1,0,NULL,0,0,0,0,0}, + {"sort",sortCommand,-2,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0}, + {"info",infoCommand,-1,0,NULL,0,0,0,0,0}, + {"monitor",monitorCommand,1,0,NULL,0,0,0,0,0}, + {"ttl",ttlCommand,2,0,NULL,1,1,1,0,0}, + {"persist",persistCommand,2,0,NULL,1,1,1,0,0}, + {"slaveof",slaveofCommand,3,0,NULL,0,0,0,0,0}, + {"debug",debugCommand,-2,0,NULL,0,0,0,0,0}, + {"config",configCommand,-2,0,NULL,0,0,0,0,0}, + {"subscribe",subscribeCommand,-2,0,NULL,0,0,0,0,0}, + {"unsubscribe",unsubscribeCommand,-1,0,NULL,0,0,0,0,0}, + {"psubscribe",psubscribeCommand,-2,0,NULL,0,0,0,0,0}, + {"punsubscribe",punsubscribeCommand,-1,0,NULL,0,0,0,0,0}, + {"publish",publishCommand,3,REDIS_CMD_FORCE_REPLICATION,NULL,0,0,0,0,0}, + {"watch",watchCommand,-2,0,NULL,0,0,0,0,0}, + {"unwatch",unwatchCommand,1,0,NULL,0,0,0,0,0} }; /*============================ Utility functions ============================ */ -void redisLog(int level, const char *fmt, ...) { +/* Low level logging. To use only for very big messages, otherwise + * redisLog() is to prefer. */ +void redisLogRaw(int level, const char *msg) { const int syslogLevelMap[] = { LOG_DEBUG, LOG_INFO, LOG_NOTICE, LOG_WARNING }; const char *c = ".-*#"; time_t now = time(NULL); - va_list ap; FILE *fp; char buf[64]; - char msg[REDIS_MAX_LOGMSG_LEN]; if (level < server.verbosity) return; fp = (server.logfile == NULL) ? stdout : fopen(server.logfile,"a"); if (!fp) return; - va_start(ap, fmt); - vsnprintf(msg, sizeof(msg), fmt, ap); - va_end(ap); - strftime(buf,sizeof(buf),"%d %b %H:%M:%S",localtime(&now)); fprintf(fp,"[%d] %s %c %s\n",(int)getpid(),buf,c[level],msg); fflush(fp); @@ -219,6 +215,22 @@ void redisLog(int level, const char *fmt, ...) { if (server.syslog_enabled) syslog(syslogLevelMap[level], "%s", msg); } +/* Like redisLogRaw() but with printf-alike support. This is the funciton that + * is used across the code. The raw version is only used in order to dump + * the INFO output on crash. */ +void redisLog(int level, const char *fmt, ...) { + va_list ap; + char msg[REDIS_MAX_LOGMSG_LEN]; + + if (level < server.verbosity) return; + + va_start(ap, fmt); + vsnprintf(msg, sizeof(msg), fmt, ap); + va_end(ap); + + redisLogRaw(level,msg); +} + /* Redis generally does not try to recover from out of memory conditions * when allocating objects or strings, it is not clear if it will be possible * to report this condition to the client since the networking layer itself @@ -230,6 +242,17 @@ void oom(const char *msg) { abort(); } +/* Return the UNIX time in microseconds */ +long long ustime(void) { + struct timeval tv; + long long ust; + + gettimeofday(&tv, NULL); + ust = ((long long)tv.tv_sec)*1000000; + ust += tv.tv_usec; + return ust; +} + /*====================== Hash table type implementation ==================== */ /* This is an hash table type that uses the SDS dynamic strings libary as @@ -516,7 +539,7 @@ void updateLRUClock(void) { } int serverCron(struct aeEventLoop *eventLoop, long long id, void *clientData) { - int j, loops = server.cronloops++; + int j, loops = server.cronloops; REDIS_NOTUSED(eventLoop); REDIS_NOTUSED(id); REDIS_NOTUSED(clientData); @@ -583,19 +606,39 @@ int serverCron(struct aeEventLoop *eventLoop, long long id, void *clientData) { if ((server.maxidletime && !(loops % 100)) || server.bpop_blocked_clients) closeTimedoutClients(); - /* Check if a background saving or AOF rewrite in progress terminated */ + /* Check if a background saving or AOF rewrite in progress terminated. */ if (server.bgsavechildpid != -1 || server.bgrewritechildpid != -1) { int statloc; pid_t pid; if ((pid = wait3(&statloc,WNOHANG,NULL)) != 0) { + int exitcode = WEXITSTATUS(statloc); + int bysignal = 0; + + if (WIFSIGNALED(statloc)) bysignal = WTERMSIG(statloc); + if (pid == server.bgsavechildpid) { - backgroundSaveDoneHandler(statloc); + backgroundSaveDoneHandler(exitcode,bysignal); } else { - backgroundRewriteDoneHandler(statloc); + backgroundRewriteDoneHandler(exitcode,bysignal); } updateDictResizePolicy(); } + } else if (server.bgsavethread != (pthread_t) -1) { + if (server.bgsavethread != (pthread_t) -1) { + int state; + + pthread_mutex_lock(&server.bgsavethread_mutex); + state = server.bgsavethread_state; + pthread_mutex_unlock(&server.bgsavethread_mutex); + + if (state == REDIS_BGSAVE_THREAD_DONE_OK || + state == REDIS_BGSAVE_THREAD_DONE_ERR) + { + backgroundSaveDoneHandler( + (state == REDIS_BGSAVE_THREAD_DONE_OK) ? 0 : 1, 0); + } + } } else if (!server.ds_enabled) { /* If there is not a background saving in progress check if * we have to save now */ @@ -626,6 +669,7 @@ int serverCron(struct aeEventLoop *eventLoop, long long id, void *clientData) { * to detect transfer failures. */ if (!(loops % 10)) replicationCron(); + server.cronloops++; return 100; } @@ -668,6 +712,7 @@ void beforeSleep(struct aeEventLoop *eventLoop) { redisAssert(ln != NULL); c = ln->value; listDelNode(server.unblocked_clients,ln); + c->flags &= ~REDIS_UNBLOCKED; /* Process remaining data in the input buffer. */ if (c->querybuf && sdslen(c->querybuf) > 0) @@ -749,7 +794,6 @@ void initServerConfig() { server.syslog_enabled = 0; server.syslog_ident = zstrdup("redis"); server.syslog_facility = LOG_LOCAL0; - server.glueoutputbuf = 1; server.daemonize = 0; server.appendonly = 0; server.appendfsync = APPENDFSYNC_EVERYSEC; @@ -832,10 +876,13 @@ void initServer() { createSharedObjects(); server.el = aeCreateEventLoop(); server.db = zmalloc(sizeof(redisDb)*server.dbnum); - server.ipfd = anetTcpServer(server.neterr,server.port,server.bindaddr); - if (server.ipfd == ANET_ERR) { - redisLog(REDIS_WARNING, "Opening port: %s", server.neterr); - exit(1); + + if (server.port != 0) { + server.ipfd = anetTcpServer(server.neterr,server.port,server.bindaddr); + if (server.ipfd == ANET_ERR) { + redisLog(REDIS_WARNING, "Opening port: %s", server.neterr); + exit(1); + } } if (server.unixsocket != NULL) { unlink(server.unixsocket); /* don't care if this fails */ @@ -868,6 +915,8 @@ void initServer() { server.cronloops = 0; server.bgsavechildpid = -1; server.bgrewritechildpid = -1; + server.bgsavethread_state = REDIS_BGSAVE_THREAD_UNACTIVE; + server.bgsavethread = (pthread_t) -1; server.bgrewritebuf = sdsempty(); server.aofbuf = sdsempty(); server.lastsave = time(NULL); @@ -896,16 +945,17 @@ void initServer() { } if (server.ds_enabled) dsInit(); + srand(time(NULL)^getpid()); } /* Populates the Redis Command Table starting from the hard coded list * we have on top of redis.c file. */ void populateCommandTable(void) { int j; - int numcommands = sizeof(readonlyCommandTable)/sizeof(struct redisCommand); + int numcommands = sizeof(redisCommandTable)/sizeof(struct redisCommand); for (j = 0; j < numcommands; j++) { - struct redisCommand *c = readonlyCommandTable+j; + struct redisCommand *c = redisCommandTable+j; int retval; retval = dictAdd(server.commands, sdsnew(c->name), c); @@ -913,6 +963,18 @@ void populateCommandTable(void) { } } +void resetCommandTableStats(void) { + int numcommands = sizeof(redisCommandTable)/sizeof(struct redisCommand); + int j; + + for (j = 0; j < numcommands; j++) { + struct redisCommand *c = redisCommandTable+j; + + c->microseconds = 0; + c->calls = 0; + } +} + /* ====================== Commands lookup and execution ===================== */ struct redisCommand *lookupCommand(sds name) { @@ -930,11 +992,13 @@ struct redisCommand *lookupCommandByCString(char *s) { /* Call() is the core of Redis execution of a command */ void call(redisClient *c, struct redisCommand *cmd) { - long long dirty; + long long dirty, start = ustime(); dirty = server.dirty; cmd->proc(c); dirty = server.dirty-dirty; + cmd->microseconds += ustime()-start; + cmd->calls++; if (server.appendonly && dirty) feedAppendOnlyFile(cmd,c->db->id,c->argv,c->argc); @@ -1121,179 +1185,302 @@ void bytesToHuman(char *s, unsigned long long n) { /* Create the string returned by the INFO command. This is decoupled * by the INFO command itself as we need to report the same information * on memory corruption problems. */ -sds genRedisInfoString(void) { - sds info; +sds genRedisInfoString(char *section) { + sds info = sdsempty(); time_t uptime = time(NULL)-server.stat_starttime; - int j; + int j, numcommands; char hmem[64]; struct rusage self_ru, c_ru; + unsigned long lol, bib; + int allsections = 0, defsections = 0; + int sections = 0; + + if (section) { + allsections = strcasecmp(section,"all") == 0; + defsections = strcasecmp(section,"default") == 0; + } getrusage(RUSAGE_SELF, &self_ru); getrusage(RUSAGE_CHILDREN, &c_ru); - + getClientsMaxBuffers(&lol,&bib); bytesToHuman(hmem,zmalloc_used_memory()); - info = sdscatprintf(sdsempty(), - "redis_version:%s\r\n" - "redis_git_sha1:%s\r\n" - "redis_git_dirty:%d\r\n" - "arch_bits:%s\r\n" - "multiplexing_api:%s\r\n" - "process_id:%ld\r\n" - "uptime_in_seconds:%ld\r\n" - "uptime_in_days:%ld\r\n" - "lru_clock:%ld\r\n" - "used_cpu_sys:%.2f\r\n" - "used_cpu_user:%.2f\r\n" - "used_cpu_sys_childrens:%.2f\r\n" - "used_cpu_user_childrens:%.2f\r\n" - "connected_clients:%d\r\n" - "connected_slaves:%d\r\n" - "blocked_clients:%d\r\n" - "used_memory:%zu\r\n" - "used_memory_human:%s\r\n" - "used_memory_rss:%zu\r\n" - "mem_fragmentation_ratio:%.2f\r\n" - "use_tcmalloc:%d\r\n" - "loading:%d\r\n" - "aof_enabled:%d\r\n" - "changes_since_last_save:%lld\r\n" - "bgsave_in_progress:%d\r\n" - "last_save_time:%ld\r\n" - "bgrewriteaof_in_progress:%d\r\n" - "total_connections_received:%lld\r\n" - "total_commands_processed:%lld\r\n" - "expired_keys:%lld\r\n" - "evicted_keys:%lld\r\n" - "keyspace_hits:%lld\r\n" - "keyspace_misses:%lld\r\n" - "hash_max_zipmap_entries:%zu\r\n" - "hash_max_zipmap_value:%zu\r\n" - "pubsub_channels:%ld\r\n" - "pubsub_patterns:%u\r\n" - "ds_enabled:%d\r\n" - "role:%s\r\n" - ,REDIS_VERSION, - redisGitSHA1(), - strtol(redisGitDirty(),NULL,10) > 0, - (sizeof(long) == 8) ? "64" : "32", - aeGetApiName(), - (long) getpid(), - uptime, - uptime/(3600*24), - (unsigned long) server.lruclock, - (float)self_ru.ru_utime.tv_sec+(float)self_ru.ru_utime.tv_usec/1000000, - (float)self_ru.ru_stime.tv_sec+(float)self_ru.ru_stime.tv_usec/1000000, - (float)c_ru.ru_utime.tv_sec+(float)c_ru.ru_utime.tv_usec/1000000, - (float)c_ru.ru_stime.tv_sec+(float)c_ru.ru_stime.tv_usec/1000000, - listLength(server.clients)-listLength(server.slaves), - listLength(server.slaves), - server.bpop_blocked_clients, - zmalloc_used_memory(), - hmem, - zmalloc_get_rss(), - zmalloc_get_fragmentation_ratio(), -#ifdef USE_TCMALLOC - 1, -#else - 0, -#endif - server.loading, - server.appendonly, - server.dirty, - server.bgsavechildpid != -1, - server.lastsave, - server.bgrewritechildpid != -1, - server.stat_numconnections, - server.stat_numcommands, - server.stat_expiredkeys, - server.stat_evictedkeys, - server.stat_keyspace_hits, - server.stat_keyspace_misses, - server.hash_max_zipmap_entries, - server.hash_max_zipmap_value, - dictSize(server.pubsub_channels), - listLength(server.pubsub_patterns), - server.ds_enabled != 0, - server.masterhost == NULL ? "master" : "slave" - ); - if (server.masterhost) { + + /* Server */ + if (allsections || defsections || !strcasecmp(section,"server")) { + if (sections++) info = sdscat(info,"\r\n"); + info = sdscatprintf(info, + "# Server\r\n" + "redis_version:%s\r\n" + "redis_git_sha1:%s\r\n" + "redis_git_dirty:%d\r\n" + "arch_bits:%s\r\n" + "multiplexing_api:%s\r\n" + "process_id:%ld\r\n" + "tcp_port:%d\r\n" + "uptime_in_seconds:%ld\r\n" + "uptime_in_days:%ld\r\n" + "lru_clock:%ld\r\n", + REDIS_VERSION, + redisGitSHA1(), + strtol(redisGitDirty(),NULL,10) > 0, + (sizeof(long) == 8) ? "64" : "32", + aeGetApiName(), + (long) getpid(), + server.port, + uptime, + uptime/(3600*24), + (unsigned long) server.lruclock); + } + + /* Clients */ + if (allsections || defsections || !strcasecmp(section,"clients")) { + if (sections++) info = sdscat(info,"\r\n"); + info = sdscatprintf(info, + "# Clients\r\n" + "connected_clients:%d\r\n" + "client_longest_output_list:%lu\r\n" + "client_biggest_input_buf:%lu\r\n" + "blocked_clients:%d\r\n", + listLength(server.clients)-listLength(server.slaves), + lol, bib, + server.bpop_blocked_clients); + } + + /* Memory */ + if (allsections || defsections || !strcasecmp(section,"memory")) { + if (sections++) info = sdscat(info,"\r\n"); + info = sdscatprintf(info, + "# Memory\r\n" + "used_memory:%zu\r\n" + "used_memory_human:%s\r\n" + "used_memory_rss:%zu\r\n" + "mem_fragmentation_ratio:%.2f\r\n" + "use_tcmalloc:%d\r\n", + zmalloc_used_memory(), + hmem, + zmalloc_get_rss(), + zmalloc_get_fragmentation_ratio(), + #ifdef USE_TCMALLOC + 1 + #else + 0 + #endif + ); + } + + /* Allocation statistics */ + if (allsections || !strcasecmp(section,"allocstats")) { + if (sections++) info = sdscat(info,"\r\n"); + info = sdscat(info, "# Allocstats\r\nallocation_stats:"); + for (j = 0; j <= ZMALLOC_MAX_ALLOC_STAT; j++) { + size_t count = zmalloc_allocations_for_size(j); + if (count) { + if (info[sdslen(info)-1] != ':') info = sdscatlen(info,",",1); + info = sdscatprintf(info,"%s%d=%zu", + (j == ZMALLOC_MAX_ALLOC_STAT) ? ">=" : "", + j,count); + } + } + info = sdscat(info,"\r\n"); + } + + /* Persistence */ + if (allsections || defsections || !strcasecmp(section,"persistence")) { + if (sections++) info = sdscat(info,"\r\n"); info = sdscatprintf(info, - "master_host:%s\r\n" - "master_port:%d\r\n" - "master_link_status:%s\r\n" - "master_last_io_seconds_ago:%d\r\n" - "master_sync_in_progress:%d\r\n" - ,server.masterhost, - server.masterport, - (server.replstate == REDIS_REPL_CONNECTED) ? - "up" : "down", - server.master ? ((int)(time(NULL)-server.master->lastinteraction)) : -1, - server.replstate == REDIS_REPL_TRANSFER - ); - - if (server.replstate == REDIS_REPL_TRANSFER) { + "# Persistence\r\n" + "loading:%d\r\n" + "aof_enabled:%d\r\n" + "changes_since_last_save:%lld\r\n" + "bgsave_in_progress:%d\r\n" + "last_save_time:%ld\r\n" + "bgrewriteaof_in_progress:%d\r\n", + server.loading, + server.appendonly, + server.dirty, + server.bgsavechildpid != -1 || + server.bgsavethread != (pthread_t) -1, + server.lastsave, + server.bgrewritechildpid != -1); + + if (server.loading) { + double perc; + time_t eta, elapsed; + off_t remaining_bytes = server.loading_total_bytes- + server.loading_loaded_bytes; + + perc = ((double)server.loading_loaded_bytes / + server.loading_total_bytes) * 100; + + elapsed = time(NULL)-server.loading_start_time; + if (elapsed == 0) { + eta = 1; /* A fake 1 second figure if we don't have + enough info */ + } else { + eta = (elapsed*remaining_bytes)/server.loading_loaded_bytes; + } + info = sdscatprintf(info, - "master_sync_left_bytes:%ld\r\n" - "master_sync_last_io_seconds_ago:%d\r\n" - ,(long)server.repl_transfer_left, - (int)(time(NULL)-server.repl_transfer_lastio) + "loading_start_time:%ld\r\n" + "loading_total_bytes:%llu\r\n" + "loading_loaded_bytes:%llu\r\n" + "loading_loaded_perc:%.2f\r\n" + "loading_eta_seconds:%ld\r\n" + ,(unsigned long) server.loading_start_time, + (unsigned long long) server.loading_total_bytes, + (unsigned long long) server.loading_loaded_bytes, + perc, + eta ); } } - if (server.ds_enabled) { - lockThreadedIO(); + + /* Diskstore */ + if (allsections || defsections || !strcasecmp(section,"diskstore")) { + if (sections++) info = sdscat(info,"\r\n"); info = sdscatprintf(info, - "cache_max_memory:%llu\r\n" - "cache_blocked_clients:%lu\r\n" - ,(unsigned long long) server.cache_max_memory, - (unsigned long) server.cache_blocked_clients - ); - unlockThreadedIO(); + "# Diskstore\r\n" + "ds_enabled:%d\r\n", + server.ds_enabled != 0); + if (server.ds_enabled) { + lockThreadedIO(); + info = sdscatprintf(info, + "cache_max_memory:%llu\r\n" + "cache_blocked_clients:%lu\r\n" + "cache_io_queue_len:%lu\r\n" + "cache_io_jobs_new:%lu\r\n" + "cache_io_jobs_processing:%lu\r\n" + "cache_io_jobs_processed:%lu\r\n" + "cache_io_ready_clients:%lu\r\n" + ,(unsigned long long) server.cache_max_memory, + (unsigned long) server.cache_blocked_clients, + (unsigned long) listLength(server.cache_io_queue), + (unsigned long) listLength(server.io_newjobs), + (unsigned long) listLength(server.io_processing), + (unsigned long) listLength(server.io_processed), + (unsigned long) listLength(server.io_ready_clients) + ); + unlockThreadedIO(); + } } - if (server.loading) { - double perc; - time_t eta, elapsed; - off_t remaining_bytes = server.loading_total_bytes- - server.loading_loaded_bytes; - - perc = ((double)server.loading_loaded_bytes / - server.loading_total_bytes) * 100; - - elapsed = time(NULL)-server.loading_start_time; - if (elapsed == 0) { - eta = 1; /* A fake 1 second figure if we don't have enough info */ - } else { - eta = (elapsed*remaining_bytes)/server.loading_loaded_bytes; + + /* Stats */ + if (allsections || defsections || !strcasecmp(section,"stats")) { + if (sections++) info = sdscat(info,"\r\n"); + info = sdscatprintf(info, + "# Stats\r\n" + "total_connections_received:%lld\r\n" + "total_commands_processed:%lld\r\n" + "expired_keys:%lld\r\n" + "evicted_keys:%lld\r\n" + "keyspace_hits:%lld\r\n" + "keyspace_misses:%lld\r\n" + "pubsub_channels:%ld\r\n" + "pubsub_patterns:%u\r\n", + server.stat_numconnections, + server.stat_numcommands, + server.stat_expiredkeys, + server.stat_evictedkeys, + server.stat_keyspace_hits, + server.stat_keyspace_misses, + dictSize(server.pubsub_channels), + listLength(server.pubsub_patterns)); + } + + /* Replication */ + if (allsections || defsections || !strcasecmp(section,"replication")) { + if (sections++) info = sdscat(info,"\r\n"); + info = sdscatprintf(info, + "# Replication\r\n" + "role:%s\r\n", + server.masterhost == NULL ? "master" : "slave"); + if (server.masterhost) { + info = sdscatprintf(info, + "master_host:%s\r\n" + "master_port:%d\r\n" + "master_link_status:%s\r\n" + "master_last_io_seconds_ago:%d\r\n" + "master_sync_in_progress:%d\r\n" + ,server.masterhost, + server.masterport, + (server.replstate == REDIS_REPL_CONNECTED) ? + "up" : "down", + server.master ? + ((int)(time(NULL)-server.master->lastinteraction)) : -1, + server.replstate == REDIS_REPL_TRANSFER + ); + + if (server.replstate == REDIS_REPL_TRANSFER) { + info = sdscatprintf(info, + "master_sync_left_bytes:%ld\r\n" + "master_sync_last_io_seconds_ago:%d\r\n" + ,(long)server.repl_transfer_left, + (int)(time(NULL)-server.repl_transfer_lastio) + ); + } } + info = sdscatprintf(info, + "connected_slaves:%d\r\n", + listLength(server.slaves)); + } + /* CPU */ + if (allsections || defsections || !strcasecmp(section,"cpu")) { + if (sections++) info = sdscat(info,"\r\n"); info = sdscatprintf(info, - "loading_start_time:%ld\r\n" - "loading_total_bytes:%llu\r\n" - "loading_loaded_bytes:%llu\r\n" - "loading_loaded_perc:%.2f\r\n" - "loading_eta_seconds:%ld\r\n" - ,(unsigned long) server.loading_start_time, - (unsigned long long) server.loading_total_bytes, - (unsigned long long) server.loading_loaded_bytes, - perc, - eta - ); + "# CPU\r\n" + "used_cpu_sys:%.2f\r\n" + "used_cpu_user:%.2f\r\n" + "used_cpu_sys_childrens:%.2f\r\n" + "used_cpu_user_childrens:%.2f\r\n", + (float)self_ru.ru_utime.tv_sec+(float)self_ru.ru_utime.tv_usec/1000000, + (float)self_ru.ru_stime.tv_sec+(float)self_ru.ru_stime.tv_usec/1000000, + (float)c_ru.ru_utime.tv_sec+(float)c_ru.ru_utime.tv_usec/1000000, + (float)c_ru.ru_stime.tv_sec+(float)c_ru.ru_stime.tv_usec/1000000); } - for (j = 0; j < server.dbnum; j++) { - long long keys, vkeys; - keys = dictSize(server.db[j].dict); - vkeys = dictSize(server.db[j].expires); - if (keys || vkeys) { - info = sdscatprintf(info, "db%d:keys=%lld,expires=%lld\r\n", - j, keys, vkeys); + /* cmdtime */ + if (allsections || !strcasecmp(section,"commandstats")) { + if (sections++) info = sdscat(info,"\r\n"); + info = sdscatprintf(info, "# Commandstats\r\n"); + numcommands = sizeof(redisCommandTable)/sizeof(struct redisCommand); + for (j = 0; j < numcommands; j++) { + struct redisCommand *c = redisCommandTable+j; + + if (!c->calls) continue; + info = sdscatprintf(info, + "cmdstat_%s:calls=%lld,usec=%lld,usec_per_call=%.2f\r\n", + c->name, c->calls, c->microseconds, + (c->calls == 0) ? 0 : ((float)c->microseconds/c->calls)); + } + } + + /* Key space */ + if (allsections || defsections || !strcasecmp(section,"keyspace")) { + if (sections++) info = sdscat(info,"\r\n"); + info = sdscatprintf(info, "# Keyspace\r\n"); + for (j = 0; j < server.dbnum; j++) { + long long keys, vkeys; + + keys = dictSize(server.db[j].dict); + vkeys = dictSize(server.db[j].expires); + if (keys || vkeys) { + info = sdscatprintf(info, "db%d:keys=%lld,expires=%lld\r\n", + j, keys, vkeys); + } } } return info; } void infoCommand(redisClient *c) { - sds info = genRedisInfoString(); + char *section = c->argc == 2 ? c->argv[1]->ptr : "default"; + + if (c->argc > 2) { + addReply(c,shared.syntaxerr); + return; + } + sds info = genRedisInfoString(section); addReplySds(c,sdscatprintf(sdsempty(),"$%lu\r\n", (unsigned long)sdslen(info))); addReplySds(c,info); @@ -1403,6 +1590,7 @@ void freeMemoryIfNeeded(void) { /* Finally remove the selected key. */ if (bestkey) { robj *keyobj = createStringObject(bestkey,sdslen(bestkey)); + propagateExpire(db,keyobj); dbDelete(db,keyobj); server.stat_evictedkeys++; decrRefCount(keyobj); @@ -1441,7 +1629,7 @@ void createPidFile(void) { /* Try to write the pid file in a best-effort way. */ FILE *fp = fopen(server.pidfile,"w"); if (fp) { - fprintf(fp,"%d\n",getpid()); + fprintf(fp,"%d\n",(int)getpid()); fclose(fp); } } @@ -1559,8 +1747,8 @@ void segvHandler(int sig, siginfo_t *info, void *secret) { redisLog(REDIS_WARNING, "======= Ooops! Redis %s got signal: -%d- =======", REDIS_VERSION, sig); - infostring = genRedisInfoString(); - redisLog(REDIS_WARNING, "%s",infostring); + infostring = genRedisInfoString("all"); + redisLogRaw(REDIS_WARNING, infostring); /* It's not safe to sdsfree() the returned string under memory * corruption conditions. Let it leak as we are going to abort */