Method operator()

plugins/multiserver/com_osvr_Multiserver.cpp:73–202

  public:
    VRPNHardwareDetect(VRPNMultiserverData &data) : m_data(data) {}
    OSVR_ReturnCode operator()(OSVR_PluginRegContext ctx) {
        bool gotDevice;
#ifdef OSVR_MULTISERVER_VERBOSE
        bool first = true;
#endif
        do {
            gotDevice = false;
            struct hid_device_info *enumData = hid_enumerate(0, 0);
            for (struct hid_device_info *dev = enumData; dev != nullptr;
                 dev = dev->next) {

                if (m_isPathHandled(dev->path)) {
                    continue;
                }

#ifdef OSVR_MULTISERVER_VERBOSE
                if (first) {
                    std::cout << "[OSVR Multiserver] HID Enumeration: "
                              << boost::format("0x%04x") % dev->vendor_id << ":"
                              << boost::format("0x%04x") % dev->product_id
                              << std::endl;
                }
#endif

                if (gotDevice) {
                    continue;
                }
                // Razer Hydra
                if (dev->vendor_id == 0x1532 && dev->product_id == 0x0300) {
                    gotDevice = true;
                    m_handlePath(dev->path);
                    auto hydraJsonString = osvr::util::makeString(
                        com_osvr_Multiserver_RazerHydra_json);
                    Json::Value hydraJson;
                    Json::Reader reader;
                    if (!reader.parse(hydraJsonString, hydraJson)) {
                        throw std::logic_error("Faulty JSON file for Hydra - "
                                               "should not be possible!");
                    }
                    /// Decorated name for Hydra
                    std::string name;
                    {
                        // Razer Hydra
                        osvr::vrpnserver::VRPNDeviceRegistration reg(ctx);
                        name =
                            reg.useDecoratedName(m_data.getName("RazerHydra"));
                        reg.registerDevice(new vrpn_Tracker_RazerHydra(
                            name.c_str(), reg.getVRPNConnection()));
                        reg.setDeviceDescriptor(hydraJsonString);
                    }
                    std::string localName = "*" + name;

                    {
                        // Copy semantic paths for corresponding filter: just
                        // want left/$target and right/$target
                        Json::Value filterJson;
                        if (!reader.parse(
                                osvr::util::makeString(