execution/system_info.cpp

/*
 * Copyright (c) 2019-2022 ExpoLab, UC Davis
 *
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
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 * restriction, including without limitation the rights to use,
 * copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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 */

#include "execution/system_info.h"

#include <glog/logging.h>

namespace resdb {

SystemInfo::SystemInfo(const ResDBConfig& config)
    : primary_id_(config.GetReplicaInfos()[0].id()), view_(1) {
  SetReplicas(config.GetReplicaInfos());
}

uint32_t SystemInfo::GetPrimaryId() const { return primary_id_; }

void SystemInfo::SetPrimary(uint32_t id) { primary_id_ = id; }

uint64_t SystemInfo::GetCurrentView() const { return view_; }

void SystemInfo::SetCurrentView(uint64_t view_id) { view_ = view_id; }

std::vector<ReplicaInfo> SystemInfo::GetReplicas() const { return replicas_; }

void SystemInfo::SetReplicas(const std::vector<ReplicaInfo>& replicas) {
  replicas_ = replicas;
}

void SystemInfo::AddReplica(const ReplicaInfo& replica) {
  if (replica.id() == 0 || replica.ip().empty() || replica.port() == 0) {
    return;
  }
  for (const auto& cur_replica : replicas_) {
    if (cur_replica.id() == replica.id()) {
      LOG(ERROR) << " replica exist:" << replica.id();
      return;
    }
  }
  LOG(ERROR) << "add new replica:" << replica.DebugString();
  replicas_.push_back(replica);
}

void SystemInfo::ProcessRequest(const SystemInfoRequest& request) {
  switch (request.type()) {
    case SystemInfoRequest::ADD_REPLICA: {
      NewReplicaRequest info;
      if (info.ParseFromString(request.request())) {
        AddReplica(info.replica_info());
      }
    } break;
    default:
      break;
  }
}

}  // namespace resdb