worker.h

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/*
 * Copyright 2025 NVIDIA Corporation
 * SPDX-License-Identifier: Apache-2.0
 *
 * 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.
 */
 
#ifndef __WORKER_H__
#define __WORKER_H__
 
#include <cmath>
#include <unordered_map>
#include <queue>
 
#include "client.h"
#include "logger.h"
#include "server.h"
#include "types.h"
 
namespace mesh {
  // @class Worker
  // @brief Representation of rank/dask worker.
 
  // Worker class responsible for creating mesh  topology and all the p2p send
  // and receive of the information.
  class Worker {
    std::unique_ptr<mesh::Server> server_{nullptr};
    std::unique_ptr<mesh::Client> client_{nullptr};
 
    // Peers ip and port identity
    mesh::NodeIdent self_;
    std::unordered_map<std::string, mesh::NodeIdent> peers_;
 
    std::shared_ptr<p2p::Logger::p2p_log> p2p_log_{nullptr};
 
  public:
    Worker(const std::string &self, const std::vector<std::string> &peers);
 
    // @brief Establish the mesh-topology among all the member processes.
    int init();
 
    // @brief Shutdown the mesh topology
    int shutdown();
 
    int send_buf(const std::string &dst, void *buf, size_t len);
 
    int recv_buf(const std::string &src, void *buf, size_t len);
  };
} // namespace mesh
 
#endif