executor.hpp

/*
 * Copyright 2024 The IceFlow Authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ICEFLOW_NODE_EXECUTOR_HPP
#define ICEFLOW_NODE_EXECUTOR_HPP
 
#include "iceflow.hpp"
#include "stats.hpp"
 
#include "node-executor.grpc.pb.h"
#include "node-instance.grpc.pb.h"
 
#include <grpc/grpc.h>
 
namespace iceflow {
 
class IceflowExecutor : public std::enable_shared_from_this<IceflowExecutor> {
public:
  IceflowExecutor(const std::string &serverAddress,
                  const std::string &clientAddress,
                  std::function<void(CongestionReason, const std::string &)>
                      congestionReportCallback);
 
  ~IceflowExecutor();
 
  void receiveCongestionReport(CongestionReason congestionReason,
                               const std::string &edgeName);
 
  void repartition(const std::string &edgeName, uint32_t lowerPartitionBound,
                   uint32_t upperPartitionBound);
 
  std::unordered_map<std::string, EdgeStats> queryEdgeStats();
 
  void runGrpcServer();
 
  void runGrpcClient();
 
private:
  std::string m_serverAddress;
 
  std::string m_clientAddress;
 
  std::unique_ptr<grpc::Server> m_server;
 
  std::unique_ptr<NodeInstance::Stub> m_nodeInstanceService;
 
  std::function<void(CongestionReason, const std::string &)>
      m_congestionReportCallback;
};
} // namespace iceflow
 
#endif // ICEFLOW_NODE_EXECUTOR_HPP