void setGenericCommand(redisClient *c, int nx, robj *key, robj *val, robj *expire) { int retval; long seconds = 0; /* initialized to avoid an harmness warning */ if (expire) { if (getLongFromObjectOrReply(c, expire, &seconds, NULL) != REDIS_OK) return; if (seconds <= 0) { addReplySds(c,sdsnew("-ERR invalid expire time in SETEX\r\n")); return; } } touchWatchedKey(c->db,key); if (nx) deleteIfVolatile(c->db,key); retval = dbAdd(c->db,key,val); if (retval == REDIS_ERR) { if (!nx) { dbReplace(c->db,key,val); incrRefCount(val); } else { addReply(c,shared.czero); return; } } else { incrRefCount(val); } server.dirty++; removeExpire(c->db,key); if (expire) setExpire(c->db,key,time(NULL)+seconds); addReply(c, nx ? shared.cone : shared.ok); }
static robj *lookupKeyWrite(redisDb *db, robj *key) { deleteIfVolatile(db,key); return lookupKey(db,key); }