int CommandProc::proc_scan(const Link &link, const Request &req, Response *resp){
if(req.size() < 4){
resp->push_back("client_error");
}else{
int limit = req[3].Int();
KIterator *it = ssdb->scan(req[1], req[2], limit);
resp->push_back("ok");
while(it->next()){
resp->push_back(it->key);
resp->push_back(it->val);
}
delete it;
}
return 0;
}
static int proc_rscan(Server *serv, Link *link, const Request &req, Response *resp){
if(req.size() < 4){
resp->push_back("client_error");
}else{
uint64_t limit = req[3].Uint64();
KIterator *it = serv->ssdb->rscan(req[1], req[2], limit);
resp->push_back("ok");
while(it->next()){
resp->push_back(it->key);
resp->push_back(it->val);
}
delete it;
}
return 0;
}
int proc_rscan(NetworkServer *net, Link *link, const Request &req, Response *resp){
SSDBServer *serv = (SSDBServer *)net->data;
CHECK_NUM_PARAMS(4);
CHECK_KEY_RANGE(1);
uint64_t limit = req[3].Uint64();
KIterator *it = serv->ssdb->rscan(req[1], req[2], limit);
resp->push_back("ok");
uint64_t size = 0;
while(it->next()){
size += it->key.size() + it->val.size();
CHECK_SCAN_OUTPUT_LIMIT(size);
resp->push_back(it->key);
resp->push_back(it->val);
}
delete it;
return 0;
}