mirror of
https://github.com/PhotonVision/photonvision
synced 2026-06-20 00:51:41 +00:00
7a4ea3dd56
# Overview Previously if the coproc came up later, getProperty would return the string literal "null", which made us print the BFW. Add tests to make sure that we don't do that anymore by rebooting a sim coproc + robot in a combination of different orders.
51 lines
1.4 KiB
Java
51 lines
1.4 KiB
Java
/*
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* Copyright (C) Photon Vision.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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package org.photonvision.jni;
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public class TimeSyncServer {
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private final Object mutex = new Object();
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private long handle;
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public TimeSyncServer(int port) {
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this.handle = TimeSyncServer.create(port);
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}
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public void start() {
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synchronized (mutex) {
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if (handle > 0) {
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TimeSyncServer.start(handle);
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} else {
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System.err.println("TimeSyncServer: use after free?");
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}
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}
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}
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public void stop() {
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if (handle > 0) {
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TimeSyncServer.stop(handle);
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handle = 0;
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}
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}
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private static native long create(int port);
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private static native void start(long handle);
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private static native void stop(long handle);
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}
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