Function main

apps/osvr_dump_tree_json.cpp:40–84

#include <chrono>

int main(int argc, char *argv[]) {
    namespace po = boost::program_options;
    // clang-format off
    po::options_description desc("Options");
    desc.add_options()
        ("help,h", "produce help message")
        ;
    // clang-format on
    po::variables_map vm;
    bool usage = false;
    try {
        po::store(po::command_line_parser(argc, argv).options(desc).run(), vm);
        po::notify(vm);
    } catch (std::exception &e) {
        std::cerr << "\nError parsing command line: " << e.what() << "\n\n";
        usage = true;
    }
    if (usage || vm.count("help")) {
        std::cerr << "\n Dumps the serialized JSON format of the path tree.\n";
        std::cerr << "Usage: " << argv[0] << "\n\n";
        return 1;
    }

    {
        /// We only actually need the client open for long enough to get the
        /// path tree and serialize it.
        osvr::clientkit::ClientContext context("com.osvr.tools.dumptreejson");

        if (!context.checkStatus()) {
            std::cerr << "Client context has not yet started up - waiting. "
                         "Make sure the server is running."
                      << std::endl;
            do {
                std::this_thread::sleep_for(std::chrono::milliseconds(1));
                context.update();
            } while (!context.checkStatus());
            std::cerr << "OK, client context ready. Proceeding." << std::endl;
        }

        /// Serialize
        auto nodes = osvr::common::pathTreeToJson(context.get()->getPathTree());
        std::cout << nodes.toStyledString() << std::endl;
    }
    return 0;
}