void getsetCommand(redisClient *c) {
uint16_t version = sdsversion(c->argv[1]->ptr);
if (getGenericCommand(c) == REDIS_ERR) return;
c->argv[2] = tryObjectEncoding(c->argv[2]);
if (c->returncode == REDIS_OK_NOT_EXIST) {
sdsversion_change(c->argv[1]->ptr, 0);
} else {
if(c->version_care && version != 0 && version != c->version) {
c->returncode = REDIS_ERR_VERSION_ERROR;
return;
} else {
sdsversion_change(c->argv[1]->ptr, c->version);
}
}
if(c->version_care) {
sdsversion_add(c->argv[1]->ptr, 1);
}
dbSuperReplace(c->db,c->argv[1],c->argv[2]);
incrRefCount(c->argv[2]);
c->db->dirty++;
if (c->expiretime > 0) {
setExpire(c->db,c->argv[1],c->expiretime);
} else if(c->expiretime == 0) {
removeXExpire(c->db, c->argv[1]);
}
c->returncode = REDIS_OK;
}
void pushnGenericCommand(redisClient *c, int where) {
/* return_value must be null,otherwise it have memory leak */
c->returncode = REDIS_ERR;
robj *lobj = lookupKeyWriteWithVersion(c->db, c->argv[1], &c->version);
robj* key = c->argv[1];
if(lobj != NULL) {
if(checkType(c, lobj, REDIS_LIST)) {
c->returncode = REDIS_ERR_WRONG_TYPE_ERROR;
return;
}
uint16_t version = sdsversion(key->ptr);
if(c->version_care && version != 0 && version != c->version) {
c->returncode = REDIS_ERR_VERSION_ERROR;
return;
} else {
sdsversion_change(key->ptr, c->version);
}
} else {
sdsversion_change(key->ptr, 0);
}
if(c->version_care) {
sdsversion_add(key->ptr, 1);
}
c->return_value = (void*)zmalloc(sizeof(push_return_value));
if(c->return_value == NULL) {
c->returncode = REDIS_ERR_MEMORY_ALLOCATE_ERROR;
return;
}
int i = 2;
for(; i < c->argc; i++) {
if(lobj == NULL) {
c->argv[i] = tryObjectEncoding(c->argv[i]);
lobj = createZiplistObject();
dbAdd(c->db,c->argv[1],lobj);
}
unsigned long list_len = listTypeLength(lobj);
if (list_len >= (unsigned long)(c->server->list_max_size)) {
break;
}
listTypePush(c,lobj,c->argv[i],where);
c->server->dirty++;
}
if (i != 2) {
dbUpdateKey(c->db, key);
EXPIRE_OR_NOT
}
void setGenericCommand(redisClient *c, int nx, robj *key, robj *val, robj *expire) {
int retval;
long seconds = 0; /* initialized to avoid an harmness warning */
robj *oldval;
c->returncode = REDIS_ERR;
if (expire) {
if (getLongFromObject(expire, &seconds) != REDIS_OK) {
c->returncode = REDIS_ERR_IS_NOT_INTEGER;
return;
}
}
oldval = lookupKeyWriteWithVersion(c->db,key,&(c->version)); /* Force expire of old key if needed */
if(oldval != NULL) {
if(checkType(c, oldval, REDIS_STRING)) {
c->returncode = REDIS_ERR_WRONG_TYPE_ERROR;
return;
}
uint16_t version = sdsversion(key->ptr);
if(c->version_care && version != 0 && version != c->version) {
c->returncode = REDIS_ERR_VERSION_ERROR;
return;
} else {
sdsversion_change(key->ptr, c->version);
}
} else {
sdsversion_change(key->ptr, 0);
}
if(c->version_care) {
sdsversion_add(key->ptr, 1);
}
retval = dbAdd(c->db,key,val);
if (retval == REDIS_ERR) {
if (!nx) {
dbSuperReplace(c->db,key,val);
incrRefCount(val);
} else {
c->returncode = REDIS_OK_BUT_ALREADY_EXIST;
return;
}
} else {
incrRefCount(val);
}
c->db->dirty++;
if (expire) {
setExpire(c->db,key,seconds);
} else if(c->expiretime == 0) {
removeXExpire(c->db, key);
}
c->returncode = REDIS_OK;
}
void incrDecrCommand(redisClient *c, long long init_value, long long incr) {
c->returncode = REDIS_ERR;
long long value;
long long oldvalue;
robj *o;
oldvalue=0;
oldvalue++;
o = lookupKeyWriteWithVersion(c->db,c->argv[1],&(c->version));
if (o != NULL && checkType(c,o,REDIS_STRING)) {
c->returncode = REDIS_ERR_WRONG_TYPE_ERROR;
return;
}
robj* key = c->argv[1];
if(o != NULL) {
uint16_t version = sdsversion(key->ptr);
if(c->version_care && version != 0 && version != c->version) {
c->returncode = REDIS_ERR_VERSION_ERROR;
return;
} else {
sdsversion_change(key->ptr, c->version);
}
} else {
sdsversion_change(key->ptr, 0);
}
if(c->version_care) {
sdsversion_add(key->ptr, 1);
}
if (o == NULL) {
value = init_value;
} else if (getLongLongFromObject(o,&value) != REDIS_OK) {
c->returncode = REDIS_ERR_IS_NOT_INTEGER;
return;
}
oldvalue = value;
value += incr;
value = (int32_t)value;
o = createStringObjectFromLongLong(value);
dbSuperReplace(c->db,c->argv[1],o);
c->db->dirty++;
EXPIRE_OR_NOT
c->retvalue.llnum = value;
c->returncode = REDIS_OK;
}
