Print CPU name in dump if possible

core/src/main/java/org/geysermc/geyser/dump/DumpInfo.java

@@ -40,6 +40,7 @@
 import org.geysermc.geyser.configuration.GeyserConfiguration;
 import org.geysermc.geyser.network.MinecraftProtocol;
 import org.geysermc.geyser.session.GeyserSession;
+import org.geysermc.geyser.util.CpuUtils;
 import org.geysermc.geyser.util.FileUtils;
 import org.geysermc.geyser.util.WebUtils;
 import org.geysermc.floodgate.util.DeviceOs;
@@ -64,6 +65,7 @@ public class DumpInfo {
 
     private final DumpInfo.VersionInfo versionInfo;
     private final int cpuCount;
+    private final String cpuName;
     private final Locale systemLocale;
     private final String systemEncoding;
     private Properties gitInfo;
@@ -80,6 +82,7 @@ public DumpInfo(boolean addLog) {
         this.versionInfo = new VersionInfo();
 
         this.cpuCount = Runtime.getRuntime().availableProcessors();
+        this.cpuName = CpuUtils.tryGetProcessorName();
         this.systemLocale = Locale.getDefault();
         this.systemEncoding = System.getProperty("file.encoding");
 

core/src/main/java/org/geysermc/geyser/util/CpuUtils.java

@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2019-2022 GeyserMC. http://geysermc.org
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @author GeyserMC
+ * @link https://github.com/GeyserMC/Geyser
+ */
+
+package org.geysermc.geyser.util;
+
+import java.io.File;
+import java.io.InputStream;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.util.List;
+import java.util.regex.Pattern;
+
+public final class CpuUtils {
+
+    public static String tryGetProcessorName() {
+        try {
+            if (new File("/proc/cpuinfo").canRead()) {
+                return getLinuxProcessorName();
+            } else {
+                return getWindowsProcessorName();
+            }
+        } catch (Exception e) {
+            return e.getMessage();
+        }
+    }
+
+    /**
+     * Much of the code here was copied from the OSHI project. This is simply stripped down to only get the CPU model.
+     * https://github.com/oshi/oshi/
+     */
+    private static String getLinuxProcessorName() throws Exception {
+        List<String> lines = Files.readAllLines(Paths.get("/proc/cpuinfo"), StandardCharsets.UTF_8);
+        Pattern whitespaceColonWhitespace = Pattern.compile("\\s+:\\s"); // From ParseUtil
+        for (String line : lines) {
+            String[] splitLine = whitespaceColonWhitespace.split(line);
+            if ("model name".equals(splitLine[0]) || "Processor".equals(splitLine[0])) {
+                return splitLine[1];
+            }
+        }
+        return "unknown";
+    }
+
+    /**
+     * https://stackoverflow.com/a/6327663
+     */
+    private static String getWindowsProcessorName() throws Exception {
+        final String cpuNameCmd = "reg query \"HKLM\\HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\0\" /v ProcessorNameString";
+        final String regstrToken = "REG_SZ";
+
+        Process process = Runtime.getRuntime().exec(cpuNameCmd);
+        process.waitFor();
+        InputStream is = process.getInputStream();
+
+        StringBuilder sb = new StringBuilder();
+        while (is.available() != 0) {
+            sb.append((char) is.read());
+        }
+
+        String result = sb.toString();
+        int p = result.indexOf(regstrToken);
+
+        if (p == -1) {
+            return null;
+        }
+
+        return result.substring(p + regstrToken.length()).trim();
+    }
+
+    private CpuUtils() {
+    }
+}