git-hulk commented on code in PR #2210:
URL: https://github.com/apache/kvrocks/pull/2210#discussion_r1545671585
##########
src/cluster/cluster.cc:
##########
@@ -828,3 +828,31 @@ Status Cluster::CanExecByMySelf(const
redis::CommandAttributes *attributes, cons
return {Status::RedisExecErr,
fmt::format("MOVED {} {}:{}", slot, slots_nodes_[slot]->host,
slots_nodes_[slot]->port)};
}
+
+Status Cluster::Reset() {
+ if (srv_->slot_migrator && srv_->slot_migrator->GetMigratingSlot() != -1) {
+ return {Status::NotOK, "Can't reset cluster while migrating slot"};
+ }
+ if (srv_->slot_import && srv_->slot_import->GetSlot() != -1) {
+ return {Status::NotOK, "Can't reset cluster while importing slot"};
+ }
+ if (!srv_->storage->IsEmptyDB()) {
+ return {Status::NotOK, "Can't reset cluster while database is not empty"};
+ }
+
+ version_ = -1;
+ size_ = 0;
+ myid_.clear();
+ myself_.reset();
+
+ nodes_.clear();
+ for (auto &n : slots_nodes_) {
+ n = nullptr;
+ }
Review Comment:
slot_nodes_ is an array and the number of slot is a fixed number, so I think
it should be fine to clear them with the null pointer.
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