Function optparse

test/protocol_binary.cpp:1255–1288

main

// main
bool optparse(int argc, char** argv) {
    if( argc > 3 ) {
        print_usage();
        return false;
    }

    g_server = getenv("YRMCDS_SERVER");
    const char* env_port = getenv("YRMCDS_PORT");
    if( env_port != nullptr )
        g_port = std::stoi(env_port);

    if( argc >= 2 )
        g_server = argv[1];
    if( argc >= 3 )
        g_port = std::stoi(argv[2]);

    if( g_server == nullptr ) {
        std::cout << "No server specified." << std::endl;
        print_usage();
        return false;
    }
    if( g_port <= 0 || g_port > 65535 ) {
        std::cout << "Invalid port number: " << g_port << std::endl;
        return false;
    }

    int s = connect_server();
    if( s == -1 ) {
        std::cout << "Failed to connect to " << g_server << std::endl;
        return false;
    }
    ::close(s);
    return true;
}

TEST_MAIN(optparse);