94 lines
3.7 KiB
Java
94 lines
3.7 KiB
Java
/*
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* This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
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* Copyright (C) 2016-2024 ViaVersion and contributors
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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 <http://www.gnu.org/licenses/>.
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*/
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package com.viaversion.viaversion.bungee.service;
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import com.viaversion.viaversion.api.Via;
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import com.viaversion.viaversion.bungee.platform.BungeeViaConfig;
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import com.viaversion.viaversion.bungee.providers.BungeeVersionProvider;
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import com.viaversion.viaversion.platform.AbstractProtocolDetectorService;
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import java.util.Collection;
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import java.util.HashSet;
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import java.util.Map;
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import java.util.Set;
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import net.md_5.bungee.api.ProxyServer;
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import net.md_5.bungee.api.config.ServerInfo;
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public final class ProtocolDetectorService extends AbstractProtocolDetectorService {
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public void probeServer(final ServerInfo serverInfo) {
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final String serverName = serverInfo.getName();
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serverInfo.ping((serverPing, throwable) -> {
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// Ensure protocol is positive, some services will return -1
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if (throwable != null || serverPing == null || serverPing.getVersion() == null || serverPing.getVersion().getProtocol() <= 0) {
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return;
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}
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final int oldProtocolVersion = serverProtocolVersion(serverName);
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if (oldProtocolVersion == serverPing.getVersion().getProtocol()) {
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// Same value as previously
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return;
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}
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setProtocolVersion(serverName, serverPing.getVersion().getProtocol());
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final BungeeViaConfig config = (BungeeViaConfig) Via.getConfig();
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if (config.isBungeePingSave()) {
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final Map<String, Integer> servers = config.getBungeeServerProtocols();
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final Integer protocol = servers.get(serverName);
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if (protocol != null && protocol == serverPing.getVersion().getProtocol()) {
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return;
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}
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// Ensure we're the only ones writing to the config
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synchronized (Via.getPlatform().getConfigurationProvider()) {
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servers.put(serverName, serverPing.getVersion().getProtocol());
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}
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config.save();
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}
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});
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}
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@Override
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public void probeAllServers() {
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final Collection<ServerInfo> servers = ProxyServer.getInstance().getServers().values();
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final Set<String> serverNames = new HashSet<>(servers.size());
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for (final ServerInfo serverInfo : servers) {
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probeServer(serverInfo);
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serverNames.add(serverInfo.getName());
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}
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// Remove servers that aren't registered anymore
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lock.writeLock().lock();
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try {
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detectedProtocolIds.keySet().retainAll(serverNames);
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} finally {
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lock.writeLock().unlock();
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}
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}
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@Override
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protected Map<String, Integer> configuredServers() {
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return ((BungeeViaConfig) Via.getConfig()).getBungeeServerProtocols();
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}
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@Override
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protected int lowestSupportedProtocolVersion() {
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return BungeeVersionProvider.getLowestSupportedVersion();
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}
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}
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