server.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 __SERVER_H__
#define __SERVER_H__
 
#include <string>
#include <unordered_map>
#include <vector>
 
#include <sys/socket.h>
 
#include "logger.h"
#include "types.h"
 
namespace mesh {
  // @class Server
  // @brief Server in client-server architecture.
  class Server {
    mesh::NodeIdent self_;
    int grp_sz_; // size of the group
    int ai_family_{AF_INET};
 
    std::vector<int> socks_;
    // Map of receiving sockets
    std::unordered_map<std::string, int> recv_socks_;
    std::shared_ptr<p2p::Logger::p2p_log> p2p_log_{nullptr};
 
    void handle_client_(int client_sock);
    void set_sock_addr_(const char *address_str, struct sockaddr_in *saddr);
    int listen_();
 
  public:
    Server(mesh::NodeIdent, int group_sz);
 
    int start();
 
    int recv_buf(const std::string &src, void *buf, size_t len);
 
    int shutdown();
  };
} // namespace mesh
 
#endif