Method AddTabletNode

src/master/tabletnode_manager.cc:328–350

TabletNodeManager::~TabletNodeManager() { MutexLock lock(&mutex_); }

TabletNodePtr TabletNodeManager::AddTabletNode(const std::string& addr, const std::string& uuid) {
  MutexLock lock(&mutex_);
  TabletNodePtr null_ptr;
  std::pair<TabletNodeList::iterator, bool> ret =
      tabletnode_list_.insert(std::pair<std::string, TabletNodePtr>(addr, null_ptr));
  TabletNodePtr& state = ret.first->second;
  // already has one TS at the same IP:PORT addr, return the existing
  // TabletNodePtr
  if (!ret.second) {
    TabletNodePtr existing_node = ret.first->second;
    LOG(ERROR) << "tabletnode [" << addr << " exist, existing uuid: " << existing_node->uuid_
               << ", to be added uuid: " << uuid;
    return existing_node;
  } else {
    LOG(INFO) << "add tabletnode : " << addr << ", id : " << uuid;
    state.reset(new TabletNode(addr, uuid));
  }
  // kReady represent heartbeat status
  // state->SetState(kReady, NULL);
  state->DoStateTransition(NodeEvent::kZkNodeCreated);
  tabletnode_added_.Broadcast();
  return state;
}

TabletNodePtr TabletNodeManager::DelTabletNode(const std::string& addr) {
  TabletNodePtr state(nullptr);