v1.1初始化

src/main/java/com/tongran/agent/client/utils/MachineFingerprint.java

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+package com.tongran.agent.client.utils;
+
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+import java.net.NetworkInterface;
+import java.net.SocketException;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.util.Enumeration;
+
+public class MachineFingerprint {
+
+    /**
+     * 获取服务器硬件指纹：MD5( MAC + CPU信息 )
+     */
+    public static String getHardwareFingerprint() {
+        StringBuilder data = new StringBuilder();
+
+        // 1. 获取第一个非回环网卡的 MAC 地址
+        String mac = getFirstValidMacAddress();
+        if (mac != null) {
+            data.append(mac);
+            System.out.println("MAC 信息="+mac);
+        } else {
+            System.err.println("无法获取 MAC 地址");
+        }
+
+        // 2. 获取 CPU 信息（如 CPU 型号、序列号）
+        String cpuInfo = getCpuInfo();
+        if (cpuInfo != null) {
+            System.out.println("CPU 信息="+cpuInfo);
+            data.append(cpuInfo);
+        } else {
+            System.err.println("无法获取 CPU 信息");
+        }
+        data.append(System.currentTimeMillis());
+        if (data.length() == 0) {
+            return "unknown";
+        }
+
+        // 3. 生成 MD5
+        return md5(data.toString());
+    }
+
+    /**
+     * 获取第一个非回环、UP 状态网卡的 MAC 地址
+     */
+    private static String getFirstValidMacAddress() {
+        try {
+            Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();
+            while (interfaces.hasMoreElements()) {
+                NetworkInterface ni = interfaces.nextElement();
+                if (ni.isLoopback() || !ni.isUp()) continue;
+                byte[] mac = ni.getHardwareAddress();
+                if (mac != null && mac.length > 0) {
+                    StringBuilder sb = new StringBuilder();
+                    for (int i = 0; i < mac.length; i++) {
+                        sb.append(String.format("%02X", mac[i]));
+                        if (i < mac.length - 1) sb.append(":");
+                    }
+                    return sb.toString();
+                }
+            }
+        } catch (SocketException e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+
+    /**
+     * 读取 CPU 信息（CPU 型号 + 序列号，如果存在）
+     */
+    private static String getCpuInfo() {
+        StringBuilder cpuInfo = new StringBuilder();
+        try {
+            Process process = Runtime.getRuntime().exec("cat /proc/cpuinfo");
+            BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()));
+            String line;
+            boolean found = false;
+            while ((line = reader.readLine()) != null) {
+                if (line.contains("model name")) {
+                    cpuInfo.append(line.split(":")[1].trim()).append(";");
+                    found = true;
+                }
+                // 树莓派等设备有 cpu serial
+                if (line.contains("Serial")) {
+                    cpuInfo.append("Serial=").append(line.split(":")[1].trim());
+                    found = true;
+                }
+                // 多数 x86 服务器没有 serial，可用 processor 数量做补充
+                if (line.startsWith("processor")) {
+                    // 可选：记录核心数
+                }
+            }
+            reader.close();
+            return found ? cpuInfo.toString() : null;
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+
+    /**
+     * 生成 MD5 哈希
+     */
+    private static String md5(String input) {
+        try {
+            MessageDigest md = MessageDigest.getInstance("MD5");
+            byte[] digest = md.digest(input.getBytes());
+            StringBuilder sb = new StringBuilder();
+            for (byte b : digest) {
+                sb.append(String.format("%02x", b & 0xff));
+            }
+            return sb.toString();
+        } catch (NoSuchAlgorithmException e) {
+            throw new RuntimeException("MD5 算法不可用", e);
+        }
+    }
+
+    // ================== 测试 ==================
+    public static void main(String[] args) {
+        String fingerprint = getHardwareFingerprint();
+        System.out.println("服务器硬件指纹 (MD5): " + fingerprint);
+    }
+}