mirror of https://github.com/GeyserMC/Geyser.git
95 lines
3.3 KiB
Java
95 lines
3.3 KiB
Java
/*
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* Copyright (c) 2019-2022 GeyserMC. http://geysermc.org
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* @author GeyserMC
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* @link https://github.com/GeyserMC/Geyser
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*/
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package org.geysermc.geyser.util;
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import java.io.File;
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import java.io.InputStream;
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import java.nio.charset.StandardCharsets;
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import java.nio.file.Files;
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import java.nio.file.Paths;
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import java.util.List;
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import java.util.regex.Pattern;
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public final class CpuUtils {
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public static String tryGetProcessorName() {
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try {
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if (new File("/proc/cpuinfo").canRead()) {
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return getLinuxProcessorName();
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} else {
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return getWindowsProcessorName();
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}
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} catch (Exception e) {
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return e.getMessage();
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}
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}
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/**
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* Much of the code here was copied from the OSHI project. This is simply stripped down to only get the CPU model.
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* https://github.com/oshi/oshi/
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*/
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private static String getLinuxProcessorName() throws Exception {
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List<String> lines = Files.readAllLines(Paths.get("/proc/cpuinfo"), StandardCharsets.UTF_8);
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Pattern whitespaceColonWhitespace = Pattern.compile("\\s+:\\s"); // From ParseUtil
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for (String line : lines) {
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String[] splitLine = whitespaceColonWhitespace.split(line);
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if ("model name".equals(splitLine[0]) || "Processor".equals(splitLine[0])) {
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return splitLine[1];
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}
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}
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return "unknown";
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}
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/**
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* https://stackoverflow.com/a/6327663
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*/
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private static String getWindowsProcessorName() throws Exception {
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final String cpuNameCmd = "reg query \"HKLM\\HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\0\" /v ProcessorNameString";
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final String regstrToken = "REG_SZ";
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Process process = Runtime.getRuntime().exec(cpuNameCmd);
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process.waitFor();
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InputStream is = process.getInputStream();
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StringBuilder sb = new StringBuilder();
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while (is.available() != 0) {
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sb.append((char) is.read());
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}
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String result = sb.toString();
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int p = result.indexOf(regstrToken);
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if (p == -1) {
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return null;
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}
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return result.substring(p + regstrToken.length()).trim();
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}
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private CpuUtils() {
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}
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}
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