static vrpn_ConnectionPtr
getVRPNConnection(connection::ConnectionPtr const &conn) {
vrpn_ConnectionPtr ret;
if (std::string(conn->getConnectionKindID()) ==
osvr::connection::getVRPNConnectionKindID()) {
ret = vrpn_ConnectionPtr(
static_cast<vrpn_Connection *>(conn->getUnderlyingObject()));
}
return ret;
}
OSVR_ReturnCode
osvrAnalysisSyncInit(OSVR_IN_PTR OSVR_PluginRegContext ctx,
OSVR_IN_STRZ const char *name,
OSVR_IN_PTR OSVR_DeviceInitOptions options,
OSVR_OUT_PTR OSVR_DeviceToken *device,
OSVR_OUT_PTR OSVR_ClientContext *clientCtx) {
if (!ctx) {
OSVR_DEV_VERBOSE("osvrAnalysisSyncInit: can't use a null plugin "
"registration context.");
return OSVR_RETURN_FAILURE;
}
if (!name || !(name[0])) {
OSVR_DEV_VERBOSE(
"osvrAnalysisSyncInit: can't use a null or empty device name.");
return OSVR_RETURN_FAILURE;
}
OSVR_VALIDATE_OUTPUT_PTR(device, "device token");
OSVR_VALIDATE_OUTPUT_PTR(clientCtx, "client context");
auto initialResult =
osvrDeviceSyncInitWithOptions(ctx, name, options, device);
if (initialResult == OSVR_RETURN_FAILURE) {
OSVR_DEV_VERBOSE(
"osvrAnalysisSyncInit: couldn't create initial device token.");
return OSVR_RETURN_FAILURE;
}
/// Dig the VRPN connection out of the server.
auto osvrConn = osvr::connection::Connection::retrieveConnection(
osvr::pluginhost::PluginSpecificRegistrationContext::get(ctx)
.getParent());
auto vrpnConn = extractVrpnConnection(*osvrConn);
/// Create a client context here
/// @todo Use an interface factory that handles relative paths.
auto clientCtxSmart = osvr::common::wrapSharedContext(
osvr::client::createAnalysisClientContext(
"org.osvr.analysisplugin" /**< @todo */, "localhost" /**< @todo */,
vrpn_ConnectionPtr(vrpnConn)));
auto &dev = **device;
/// pass ownership
dev.acquireObject(clientCtxSmart);
/// register client context update
dev.setPreConnectionInteract([=] { clientCtxSmart->update(); });
/// finally return the client context too.
*clientCtx = clientCtxSmart.get();
return OSVR_RETURN_SUCCESS;
}
