001/*
002 * MIT License
003 *
004 * Copyright (c) PhotonVision
005 *
006 * Permission is hereby granted, free of charge, to any person obtaining a copy
007 * of this software and associated documentation files (the "Software"), to deal
008 * in the Software without restriction, including without limitation the rights
009 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
010 * copies of the Software, and to permit persons to whom the Software is
011 * furnished to do so, subject to the following conditions:
012 *
013 * The above copyright notice and this permission notice shall be included in all
014 * copies or substantial portions of the Software.
015 *
016 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
017 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
018 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
019 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
020 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
021 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
022 * SOFTWARE.
023 */
024
025package org.photonvision.timesync;
026
027import java.io.IOException;
028import org.photonvision.jni.PhotonTargetingJniLoader;
029import org.photonvision.jni.TimeSyncServer;
030
031/** Helper to hold a single TimeSyncServer instance with some default config */
032public class TimeSyncSingleton {
033    private static TimeSyncServer INSTANCE = null;
034
035    public static boolean load() {
036        if (INSTANCE == null) {
037            try {
038                if (!PhotonTargetingJniLoader.load()) {
039                    return false;
040                }
041            } catch (UnsatisfiedLinkError | IOException e) {
042                e.printStackTrace();
043                return false;
044            }
045
046            INSTANCE = new TimeSyncServer(5810);
047            INSTANCE.start();
048        }
049
050        return INSTANCE != null;
051    }
052}