ConfigSocketServer.cpp

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/*
 * SNode.C - A Slim Toolkit for Network Communication
 * Copyright (C) Volker Christian <me@vchrist.at>
 *               2020, 2021, 2022, 2023, 2024, 2025, 2026
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
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 * This program is distributed in the hope that it will be useful,
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
/*
 * MIT License
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
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#include "net/in/stream/config/ConfigSocketServer.h"
 
#include "net/config/stream/ConfigSocketServer.hpp"
 
#ifndef DOXYGEN_SHOULD_SKIP_THIS
 
#include "core/system/netdb.h"
 
#include <netinet/in.h>
#include <netinet/tcp.h>
 
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
 
#define XSTR(s) STR(s)
#define STR(s) #s
 
namespace net::in::stream::config {
 
    ConfigSocketServer::ConfigSocketServer(net::config::ConfigInstance* instance)
        : net::config::stream::ConfigSocketServer<net::in::config::ConfigAddress, net::in::config::ConfigAddressReverse>(instance) {
        Local::setPortRequired();
        Local::setAiFlags(AI_PASSIVE);
        Local::setAiSockType(SOCK_STREAM);
        Local::setAiProtocol(IPPROTO_TCP);
 
        reuseAddressOpt = net::config::ConfigPhysicalSocket::addSocketOption( //
            "--reuse-address{true}",
            SOL_SOCKET,
            SO_REUSEADDR,
            "Reuse socket address",
            "bool",
            XSTR(IN_REUSE_ADDRESS),
            CLI::IsMember({"true", "false"}));
 
        reusePortOpt = net::config::ConfigPhysicalSocket::addSocketOption( //
            "--reuse-port{true}",
            SOL_SOCKET,
            SO_REUSEPORT,
            "Reuse port number",
            "bool",
            XSTR(IN_REUSE_PORT),
            CLI::IsMember({"true", "false"}));
 
        disableNagleAlgorithmOpt = net::config::ConfigPhysicalSocket::addSocketOption( //
            "--disable-nagle-algorithm{true}",
            IPPROTO_TCP,
            TCP_NODELAY,
            "Turn of Nagle algorithm",
            "tristat",
            XSTR(IN_SERVER_DISABLE_NAGLE_ALGORITHM),
            CLI::IsMember({"true", "false", "default"}));
        if (std::string(XSTR(IN6_SERVER_DISABLE_NAGLE_ALGORITHM)) == "default") {
            Local::setDefaultValue(disableNagleAlgorithmOpt, "false");
        }
    }
 
    ConfigSocketServer::~ConfigSocketServer() {
    }
 
    ConfigSocketServer& ConfigSocketServer::setReuseAddress(bool reuseAddress) {
        if (reuseAddress) {
            addSocketOption(SOL_SOCKET, SO_REUSEADDR, 1);
        } else {
            addSocketOption(SOL_SOCKET, SO_REUSEADDR, 0);
        }
 
        Local::setDefaultValue(reuseAddressOpt, reuseAddress ? "true" : "false");
 
        return *this;
    }
 
    bool ConfigSocketServer::getReuseAddress() const {
        return reuseAddressOpt->as<bool>();
    }
 
    ConfigSocketServer& ConfigSocketServer::setReusePort(bool reusePort) {
        if (reusePort) {
            addSocketOption(SOL_SOCKET, SO_REUSEPORT, 1);
        } else {
            addSocketOption(SOL_SOCKET, SO_REUSEPORT, 0);
        }
 
        Local::setDefaultValue(reusePortOpt, reusePort ? "true" : "false");
 
        return *this;
    }
 
    bool ConfigSocketServer::getReusePort() const {
        return reusePortOpt->as<bool>();
    }
 
    ConfigSocketServer& ConfigSocketServer::setDisableNagleAlgorithm(bool disableNagleAlgorithm) {
        if (disableNagleAlgorithm) {
            addSocketOption(IPPROTO_TCP, TCP_NODELAY, 1);
        } else {
            addSocketOption(IPPROTO_TCP, TCP_NODELAY, 0);
        }
 
        Local::setDefaultValue(disableNagleAlgorithmOpt, disableNagleAlgorithm ? "true" : "false");
 
        return *this;
    }
 
    bool ConfigSocketServer::getDisableNagleAlgorithm() const {
        return disableNagleAlgorithmOpt->as<bool>();
    }
 
} // namespace net::in::stream::config
 
template class net::config::stream::ConfigSocketServer<net::in::config::ConfigAddress, net::in::config::ConfigAddressReverse>;