ClientServerProject/main.cpp

#if WIN32
#define NOMINMAX
#endif
#include "sockets.h"
#include "user_input.h"
#include <chrono>
#include "server.h"
#include "osyncstream.h"
#include "switch_expression.h"

/*
 *
 auto server(const addrinfo_up& address) noexcept -> void
{

	const auto socket = net::socket(AF_INET, SOCK_STREAM, 0);
	net::bind(socket, address);
	net::listen(socket);
	std::cout << "[ Server Started ]" << std::endl;

	//below needs update.
	do
	{
		auto const client = accept(socket, nullptr, nullptr);
		if (!client)
			continue;
		printf("Got a client.\n");


		auto operation = net::recv(client);
		try
		{
			switch (std::stoi(operation))
			{
			case 1:
				net::send(client, net::system("date /t"));
				break;
			case 4:
				net::send(client, net::system("netstat -ant"));
				break;
			default:
				net::send(client, "INVALID INPUT!");
				break;
			}
		}
		catch (std::exception&)
		{
			net::send(client, "INVALID INPUT!");
		}
		net::send(client, "<=> T123 <=>");
		net::closesocket(client);
		printf("Closed Client\n");

	} while (true);
}

auto client(const addrinfo_up& address)  noexcept -> void
{
	while(true)
	{
		const auto operation = get_input<unsigned int>("Select Command:\n\t1. Date", "");
		const auto total_clients = get_input<unsigned int>("Input Number of Clients: ", "");

		std::vector<std::thread> threads;

		for(auto i = 0u; i < total_clients; ++i)
		{
			const auto prefix = "[client " + std::to_string(i) + "]: ";
			try
			{
				threads.emplace_back(std::thread([=, &address]()
				{
					sscout << prefix << "started" << std::endl;
					const auto socket = net::socket(AF_INET, SOCK_STREAM, 0);
					net::connect(socket, address);
					net::send(socket, std::to_string(operation));
					sscout << prefix << "sent command" << std::endl;
					const auto& response = net::recv(socket);
					sscout << prefix << "got response\n" << prefix << response << std::endl;
					net::closesocket(socket);
					sscout << prefix << "closed" << std::endl;
				}));
			}
			catch (std::exception&) { sscout << prefix << " failed to init " << std::endl; }
		}
		for (auto& thread : threads)
			thread.join();
	}
}


 *
 */

bool onClientConnected(networked& client)
{
    sscout << "Accepted Client on Server.\n";

    using namespace std::chrono_literals;
    auto start = std::chrono::high_resolution_clock::now();
    //std::this_thread::sleep_for(2000ms);

    return true;
}
auto onClientMessaged(networked& client, std::string& message)
{
    sscout << "message was " << message << "\n";

    client.send_message("thanks for the message!");
    client.disconnect();
    return true;
}

inline auto resolve_selection(const int selection) -> std::string
{
    if (selection == 1)
        return "Server";
    else if (selection == 2)
        return "Client";
    return "";
}

int main()
{
    net::prologue();
    const auto mode = get_input<int>("Select Mode\n\t1. Server\n\t2. Client\n>:","Invalid Choice!",math::is_between<0,3>);
    while (true)
    {
        std::string ipaddress{};
        std::uint16_t port{};
        if (mode == 1)
            ipaddress = "0.0.0.0";
        else
            ipaddress = get_input<std::string>("Enter IP: ");
        port = get_input<std::uint16_t>("Enter Port:");
        sscout << resolve_selection(mode) << " selected, ip/port is " << ipaddress << "/" << port << ".\n";
        if (mode == 2)
        {
            client net_client{};
            net_client.message_received += [](std::string& what){
                sscout << "GOT " << what << ".\n";
                return true;
            };
            if(net_client.connect(ipaddress, port))
            {
                net_client.send_message("!Hello!\n");
                net_client.send_message("Second Message\n");
                net_client.send_message("Final Message!\n");
                while(net_client.is_valid()){}
            }
            else
            {
                sscout << "NO NET\n";
            }
            net_client.disconnect();
        }
    }


    auto listen_server = []()
    {
        server srv{};
        srv.client_connected += onClientConnected;
        srv.message_received += onClientMessaged;
        auto thread = srv.listen("0.0.0.0", 80);
        if(thread.joinable())
        {
            thread.join();
        }else{
            sscout << "Thread is bad!\n";
        }
    };

    net::epilogue();
    return 0;
/*
 *
 	const auto selection = get_input<int>("Select Mode\n\t1. Server\n\t2. Client\n>:", "Invalid Choice!", [](const auto x) {return x > 0 && x < 3; });

	auto address = std::string("0.0.0.0");
	auto port = 0_p;
	addrinfo_up address_binding{};
	while(!address_binding.get())
	{
		if (selection == 2)
			address = get_input<std::string>("Enter Remote IP (aaa.bbb.ccc.ddd): ", "");
		port = get_input<unsigned short>("Enter Port: ", "");
		address_binding = net::getaddrinfo(address, std::to_string(port));
	}

	try
	{
		std::cout << "You have selected " << (selection == 1 ? "Server" : "Client") << std::endl;
		std::cout << "Address: " << address << ":" << port << std::endl;
	}catch(std::exception&){}


	if (selection == 2)
		client(address_binding);
	else
		listen_server(address_binding);
 *
 */
    net::epilogue();
}