void evalName(redisClient *c, char *name) {
sds hash;
robj *sha;
/* if len(name) == 40, then this *could* be a script hash.
* Try to look it up as a hash first. */
if (sdslen(name) == 40 && dictFind(server.lua_scripts, name)) {
hash = name;
} else {
hash = dictFetchValue(g.names, name);
/* If we didn't find it, or if we did find it but for some
* reason the len(hash) != 40, ... */
if (!hash || sdslen(hash) != 40) {
addReply(c, g.err.nosha);
return;
}
}
/* the redisClient object uses robj * for fields,
* so here we convert the sds hash into an robj of
* an sds */
sha = createStringObject(hash, sdslen(hash));
rewriteClientCommandArgument(c, 1, sha);
decrRefCount(sha); /* No leaking memory from our created robj */
/* Now run the script as normal, just like we never existed. *poof* */
evalGenericCommand(c, 1);
}
void evalShaCommand(redisClient *c) {
if (sdslen(c->argv[1]->ptr) != 40) {
/* We know that a match is not possible if the provided SHA is
* not the right length. So we return an error ASAP, this way
* evalGenericCommand() can be implemented without string length
* sanity check */
addReply(c, shared.noscripterr);
return;
}
evalGenericCommand(c,1);
}
void evalShaCommand(rliteClient *c) {
if (c->argvlen[1] != 40) {
/* We know that a match is not possible if the provided SHA is
* not the right length. So we return an error ASAP, this way
* evalGenericCommand() can be implemented without string length
* sanity check */
c->reply = createErrorObject(RLITE_NOSCRIPTERR);
return;
}
evalGenericCommand(c,1);
}
void evalCommand(redisClient *c) {
evalGenericCommand(c,0);
}
void evalCommand(rliteClient *c) {
evalGenericCommand(c,0);
}