tcp_echo_client.cpp

Go to the documentation of this file.

#include <iostream>
#include <libwire/tcp/socket.hpp>
#include <libwire/dns.hpp>

int main(int argc, char** argv) {
    using namespace libwire;
    using namespace std::literals::string_view_literals;

    if (argc != 2 && argc != 3) {
        std::cerr << "Usage: echo-client <ip> [port]\n";
        return 1;
    }

    uint16_t port = 7;
    if (argc == 3) {
        port = uint16_t(std::stoi(argv[2]));
    }

    tcp::socket socket;
    socket.connect({dns::resolve(ip::v4, argv[1]).at(0), port});

    std::string buffer;

    while (std::cout << "> ", std::getline(std::cin, buffer)) {
        socket.write(buffer);
        socket.write("\n"sv);
        socket.read_until('\n', buffer);

        std::cout << "< " << buffer << '\n';
    }
}