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提交 5d02b00f 编写于 作者: A antirez
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command table refactoring to make it simpler adding new flags

上级 e108bab0
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Showing with 165 addition and 138 deletion
src/redis.c
浏览文件 @ 5d02b00f
......@@ -69,135 +69,148 @@ double R_Zero, R_PosInf, R_NegInf, R_Nan;
/* Global vars */
struct redisServer server; /* server global state */
struct redisCommand *commandTable;
/* Our command table. Command flags are expressed using strings where every
* character represents a flag. Later the populateCommandTable() function will
* take care of populating the real 'flags' field using this characters.
*
* This is the meaning of the flags:
*
* w: write command (may modify the key space).
* r: read command (will never modify the key space).
* m: may increase memory usage once called. Don't allow if out of memory.
* a: admin command, like SAVE or SHUTDOWN.
* p: Pub/Sub related command.
* f: force replication of this command, regarless of server.dirty. */
struct redisCommand redisCommandTable[] = {
{"get",getCommand,2,0,NULL,1,1,1,0,0},
{"set",setCommand,3,REDIS_CMD_DENYOOM,noPreloadGetKeys,1,1,1,0,0},
{"setnx",setnxCommand,3,REDIS_CMD_DENYOOM,noPreloadGetKeys,1,1,1,0,0},
{"setex",setexCommand,4,REDIS_CMD_DENYOOM,noPreloadGetKeys,2,2,1,0,0},
{"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,noPreloadGetKeys,1,-1,1,0,0},
{"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,-2,1,0,0},
{"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,zunionInterGetKeys,0,0,0,0,0},
{"zinterstore",zinterstoreCommand,-4,REDIS_CMD_DENYOOM,zunionInterGetKeys,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,renameGetKeys,1,2,1,0,0},
{"renamenx",renamenxCommand,3,0,renameGetKeys,1,2,1,0,0},
{"expire",expireCommand,3,0,NULL,1,1,1,0,0},
{"expireat",expireatCommand,3,0,NULL,1,1,1,0,0},
{"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,NULL,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,noPreloadGetKeys,1,-1,1,0,0},
{"unwatch",unwatchCommand,1,0,NULL,0,0,0,0,0},
{"cluster",clusterCommand,-2,0,NULL,0,0,0,0,0},
{"restore",restoreCommand,4,0,NULL,0,0,0,0,0},
{"migrate",migrateCommand,6,0,NULL,0,0,0,0,0},
{"dump",dumpCommand,2,0,NULL,0,0,0,0,0},
{"object",objectCommand,-2,0,NULL,0,0,0,0,0},
{"client",clientCommand,-2,0,NULL,0,0,0,0,0},
{"eval",evalCommand,-3,REDIS_CMD_DENYOOM,zunionInterGetKeys,0,0,0,0,0},
{"evalsha",evalShaCommand,-3,REDIS_CMD_DENYOOM,zunionInterGetKeys,0,0,0,0,0},
{"slowlog",slowlogCommand,-2,0,NULL,0,0,0,0,0}
{"get",getCommand,2,"r",0,NULL,1,1,1,0,0},
{"set",setCommand,3,"wm",0,noPreloadGetKeys,1,1,1,0,0},
{"setnx",setnxCommand,3,"wm",0,noPreloadGetKeys,1,1,1,0,0},
{"setex",setexCommand,4,"wm",0,noPreloadGetKeys,2,2,1,0,0},
{"append",appendCommand,3,"wm",0,NULL,1,1,1,0,0},
{"strlen",strlenCommand,2,"r",0,NULL,1,1,1,0,0},
{"del",delCommand,-2,"w",0,noPreloadGetKeys,1,-1,1,0,0},
{"exists",existsCommand,2,"r",0,NULL,1,1,1,0,0},
{"setbit",setbitCommand,4,"wm",0,NULL,1,1,1,0,0},
{"getbit",getbitCommand,3,"r",0,NULL,1,1,1,0,0},
{"setrange",setrangeCommand,4,"wm",0,NULL,1,1,1,0,0},
{"getrange",getrangeCommand,4,"r",0,NULL,1,1,1,0,0},
{"substr",getrangeCommand,4,"r",0,NULL,1,1,1,0,0},
{"incr",incrCommand,2,"wm",0,NULL,1,1,1,0,0},
{"decr",decrCommand,2,"wm",0,NULL,1,1,1,0,0},
{"mget",mgetCommand,-2,"r",0,NULL,1,-1,1,0,0},
{"rpush",rpushCommand,-3,"wm",0,NULL,1,1,1,0,0},
{"lpush",lpushCommand,-3,"wm",0,NULL,1,1,1,0,0},
{"rpushx",rpushxCommand,3,"wm",0,NULL,1,1,1,0,0},
{"lpushx",lpushxCommand,3,"wm",0,NULL,1,1,1,0,0},
{"linsert",linsertCommand,5,"wm",0,NULL,1,1,1,0,0},
{"rpop",rpopCommand,2,"w",0,NULL,1,1,1,0,0},
{"lpop",lpopCommand,2,"w",0,NULL,1,1,1,0,0},
{"brpop",brpopCommand,-3,"w",0,NULL,1,1,1,0,0},
{"brpoplpush",brpoplpushCommand,4,"wm",0,NULL,1,2,1,0,0},
{"blpop",blpopCommand,-3,"w",0,NULL,1,-2,1,0,0},
{"llen",llenCommand,2,"r",0,NULL,1,1,1,0,0},
{"lindex",lindexCommand,3,"r",0,NULL,1,1,1,0,0},
{"lset",lsetCommand,4,"wm",0,NULL,1,1,1,0,0},
{"lrange",lrangeCommand,4,"r",0,NULL,1,1,1,0,0},
{"ltrim",ltrimCommand,4,"w",0,NULL,1,1,1,0,0},
{"lrem",lremCommand,4,"w",0,NULL,1,1,1,0,0},
{"rpoplpush",rpoplpushCommand,3,"wm",0,NULL,1,2,1,0,0},
{"sadd",saddCommand,-3,"wm",0,NULL,1,1,1,0,0},
{"srem",sremCommand,-3,"w",0,NULL,1,1,1,0,0},
{"smove",smoveCommand,4,"w",0,NULL,1,2,1,0,0},
{"sismember",sismemberCommand,3,"r",0,NULL,1,1,1,0,0},
{"scard",scardCommand,2,"r",0,NULL,1,1,1,0,0},
{"spop",spopCommand,2,"w",0,NULL,1,1,1,0,0},
{"srandmember",srandmemberCommand,2,"r",0,NULL,1,1,1,0,0},
{"sinter",sinterCommand,-2,"r",0,NULL,1,-1,1,0,0},
{"sinterstore",sinterstoreCommand,-3,"wm",0,NULL,2,-1,1,0,0},
{"sunion",sunionCommand,-2,"r",0,NULL,1,-1,1,0,0},
{"sunionstore",sunionstoreCommand,-3,"wm",0,NULL,2,-1,1,0,0},
{"sdiff",sdiffCommand,-2,"r",0,NULL,1,-1,1,0,0},
{"sdiffstore",sdiffstoreCommand,-3,"wm",0,NULL,2,-1,1,0,0},
{"smembers",sinterCommand,2,"r",0,NULL,1,1,1,0,0},
{"zadd",zaddCommand,-4,"wm",0,NULL,1,1,1,0,0},
{"zincrby",zincrbyCommand,4,"wm",0,NULL,1,1,1,0,0},
{"zrem",zremCommand,-3,"w",0,NULL,1,1,1,0,0},
{"zremrangebyscore",zremrangebyscoreCommand,4,"w",0,NULL,1,1,1,0,0},
{"zremrangebyrank",zremrangebyrankCommand,4,"w",0,NULL,1,1,1,0,0},
{"zunionstore",zunionstoreCommand,-4,"wm",0,zunionInterGetKeys,0,0,0,0,0},
{"zinterstore",zinterstoreCommand,-4,"wm",0,zunionInterGetKeys,0,0,0,0,0},
{"zrange",zrangeCommand,-4,"r",0,NULL,1,1,1,0,0},
{"zrangebyscore",zrangebyscoreCommand,-4,"r",0,NULL,1,1,1,0,0},
{"zrevrangebyscore",zrevrangebyscoreCommand,-4,"r",0,NULL,1,1,1,0,0},
{"zcount",zcountCommand,4,"r",0,NULL,1,1,1,0,0},
{"zrevrange",zrevrangeCommand,-4,"r",0,NULL,1,1,1,0,0},
{"zcard",zcardCommand,2,"r",0,NULL,1,1,1,0,0},
{"zscore",zscoreCommand,3,"r",0,NULL,1,1,1,0,0},
{"zrank",zrankCommand,3,"r",0,NULL,1,1,1,0,0},
{"zrevrank",zrevrankCommand,3,"r",0,NULL,1,1,1,0,0},
{"hset",hsetCommand,4,"wm",0,NULL,1,1,1,0,0},
{"hsetnx",hsetnxCommand,4,"wm",0,NULL,1,1,1,0,0},
{"hget",hgetCommand,3,"r",0,NULL,1,1,1,0,0},
{"hmset",hmsetCommand,-4,"wm",0,NULL,1,1,1,0,0},
{"hmget",hmgetCommand,-3,"r",0,NULL,1,1,1,0,0},
{"hincrby",hincrbyCommand,4,"wm",0,NULL,1,1,1,0,0},
{"hdel",hdelCommand,-3,"w",0,NULL,1,1,1,0,0},
{"hlen",hlenCommand,2,"r",0,NULL,1,1,1,0,0},
{"hkeys",hkeysCommand,2,"r",0,NULL,1,1,1,0,0},
{"hvals",hvalsCommand,2,"r",0,NULL,1,1,1,0,0},
{"hgetall",hgetallCommand,2,"r",0,NULL,1,1,1,0,0},
{"hexists",hexistsCommand,3,"r",0,NULL,1,1,1,0,0},
{"incrby",incrbyCommand,3,"wm",0,NULL,1,1,1,0,0},
{"decrby",decrbyCommand,3,"wm",0,NULL,1,1,1,0,0},
{"getset",getsetCommand,3,"wm",0,NULL,1,1,1,0,0},
{"mset",msetCommand,-3,"wm",0,NULL,1,-1,2,0,0},
{"msetnx",msetnxCommand,-3,"wm",0,NULL,1,-1,2,0,0},
{"randomkey",randomkeyCommand,1,"r",0,NULL,0,0,0,0,0},
{"select",selectCommand,2,"r",0,NULL,0,0,0,0,0},
{"move",moveCommand,3,"w",0,NULL,1,1,1,0,0},
{"rename",renameCommand,3,"w",0,renameGetKeys,1,2,1,0,0},
{"renamenx",renamenxCommand,3,"w",0,renameGetKeys,1,2,1,0,0},
{"expire",expireCommand,3,"w",0,NULL,1,1,1,0,0},
{"expireat",expireatCommand,3,"w",0,NULL,1,1,1,0,0},
{"keys",keysCommand,2,"r",0,NULL,0,0,0,0,0},
{"dbsize",dbsizeCommand,1,"r",0,NULL,0,0,0,0,0},
{"auth",authCommand,2,"r",0,NULL,0,0,0,0,0},
{"ping",pingCommand,1,"r",0,NULL,0,0,0,0,0},
{"echo",echoCommand,2,"r",0,NULL,0,0,0,0,0},
{"save",saveCommand,1,"ar",0,NULL,0,0,0,0,0},
{"bgsave",bgsaveCommand,1,"ar",0,NULL,0,0,0,0,0},
{"bgrewriteaof",bgrewriteaofCommand,1,"ar",0,NULL,0,0,0,0,0},
{"shutdown",shutdownCommand,1,"ar",0,NULL,0,0,0,0,0},
{"lastsave",lastsaveCommand,1,"r",0,NULL,0,0,0,0,0},
{"type",typeCommand,2,"r",0,NULL,1,1,1,0,0},
{"multi",multiCommand,1,"r",0,NULL,0,0,0,0,0},
{"exec",execCommand,1,"wm",0,NULL,0,0,0,0,0},
{"discard",discardCommand,1,"r",0,NULL,0,0,0,0,0},
{"sync",syncCommand,1,"ar",0,NULL,0,0,0,0,0},
{"flushdb",flushdbCommand,1,"w",0,NULL,0,0,0,0,0},
{"flushall",flushallCommand,1,"w",0,NULL,0,0,0,0,0},
{"sort",sortCommand,-2,"wm",0,NULL,1,1,1,0,0},
{"info",infoCommand,-1,"r",0,NULL,0,0,0,0,0},
{"monitor",monitorCommand,1,"ar",0,NULL,0,0,0,0,0},
{"ttl",ttlCommand,2,"r",0,NULL,1,1,1,0,0},
{"persist",persistCommand,2,"w",0,NULL,1,1,1,0,0},
{"slaveof",slaveofCommand,3,"aw",0,NULL,0,0,0,0,0},
{"debug",debugCommand,-2,"aw",0,NULL,0,0,0,0,0},
{"config",configCommand,-2,"ar",0,NULL,0,0,0,0,0},
{"subscribe",subscribeCommand,-2,"rp",0,NULL,0,0,0,0,0},
{"unsubscribe",unsubscribeCommand,-1,"rp",0,NULL,0,0,0,0,0},
{"psubscribe",psubscribeCommand,-2,"rp",0,NULL,0,0,0,0,0},
{"punsubscribe",punsubscribeCommand,-1,"rp",0,NULL,0,0,0,0,0},
{"publish",publishCommand,3,"rpf",0,NULL,0,0,0,0,0},
{"watch",watchCommand,-2,"r",0,noPreloadGetKeys,1,-1,1,0,0},
{"unwatch",unwatchCommand,1,"r",0,NULL,0,0,0,0,0},
{"cluster",clusterCommand,-2,"ar",0,NULL,0,0,0,0,0},
{"restore",restoreCommand,4,"awm",0,NULL,0,0,0,0,0},
{"migrate",migrateCommand,6,"aw",0,NULL,0,0,0,0,0},
{"dump",dumpCommand,2,"ar",0,NULL,0,0,0,0,0},
{"object",objectCommand,-2,"r",0,NULL,0,0,0,0,0},
{"client",clientCommand,-2,"ar",0,NULL,0,0,0,0,0},
{"eval",evalCommand,-3,"wm",0,zunionInterGetKeys,0,0,0,0,0},
{"evalsha",evalShaCommand,-3,"wm",0,zunionInterGetKeys,0,0,0,0,0},
{"slowlog",slowlogCommand,-2,"r",0,NULL,0,0,0,0,0}
};
/*============================ Utility functions ============================ */
......@@ -986,8 +999,22 @@ void populateCommandTable(void) {
for (j = 0; j < numcommands; j++) {
struct redisCommand *c = redisCommandTable+j;
char *f = c->sflags;
int retval;
while(*f != '\0') {
switch(*f) {
case 'w': c->flags |= REDIS_CMD_WRITE; break;
case 'r': c->flags |= REDIS_CMD_READONLY; break;
case 'm': c->flags |= REDIS_CMD_DENYOOM; break;
case 'a': c->flags |= REDIS_CMD_ADMIN; break;
case 'p': c->flags |= REDIS_CMD_PUBSUB; break;
case 'f': c->flags |= REDIS_CMD_FORCE_REPLICATION; break;
default: redisPanic("Unsupported command flag"); break;
}
f++;
}
retval = dictAdd(server.commands, sdsnew(c->name), c);
assert(retval == DICT_OK);
}
......
src/redis.h
浏览文件 @ 5d02b00f
......@@ -59,15 +59,14 @@
/* Hash table parameters */
#define REDIS_HT_MINFILL 10 /* Minimal hash table fill 10% */
/* Command flags:
* REDIS_CMD_DENYOOM:
* Commands marked with this flag will return an error when 'maxmemory' is
* set and the server is using more than 'maxmemory' bytes of memory.
* In short: commands with this flag are denied on low memory conditions.
* REDIS_CMD_FORCE_REPLICATION:
* Force replication even if dirty is 0. */
#define REDIS_CMD_DENYOOM 4
#define REDIS_CMD_FORCE_REPLICATION 8
/* Command flags. Please check the command table defined in the redis.c file
* for more information about the meaning of every flag. */
#define REDIS_CMD_WRITE 1 /* "w" flag */
#define REDIS_CMD_READONLY 2 /* "r" flag */
#define REDIS_CMD_DENYOOM 4 /* "m" flag */
#define REDIS_CMD_FORCE_REPLICATION 8 /* "f" flag */
#define REDIS_CMD_ADMIN 16 /* "a" flag */
#define REDIS_CMD_PUBSUB 32 /* "p" flag */
/* Object types */
#define REDIS_STRING 0
......@@ -635,7 +634,8 @@ struct redisCommand {
char *name;
redisCommandProc *proc;
int arity;
int flags;
char *sflags; /* Flags as string represenation, 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;
......
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