package com.ruoyi.system.controller;
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import com.ruoyi.common.core.domain.AjaxResult;
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import com.ruoyi.common.core.controller.BaseController;
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import org.springframework.web.bind.annotation.*;
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import java.net.InetAddress;
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import java.net.UnknownHostException;
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import java.util.*;
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import java.net.Socket;
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import java.io.IOException;
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/**
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* 网络诊断Controller
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* 提供OCR服务连接诊断、DNS解析测试、网络连通性测试等功能
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*/
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@RestController
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@RequestMapping("/system/diag")
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public class NetworkDiagController extends BaseController {
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/**
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* 诊断OCR服务连接
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* @return 诊断结果
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*/
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@GetMapping("/ocrConnection")
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public AjaxResult diagOcrConnection() {
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Map<String, Object> result = new HashMap<>();
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String ocrEndpoint = "ocr-api.cn-hangzhou.aliyuncs.com";
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int port = 443; // HTTPS端口
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try {
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result.put("dns", testDns(ocrEndpoint));
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result.put("connection", testConnection(ocrEndpoint, port));
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result.put("network", getNetworkConfig());
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return success(result);
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} catch (Exception e) {
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logger.error("网络诊断失败", e);
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return error("网络诊断失败: " + e.getMessage());
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}
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}
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/**
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* 测试DNS解析
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* @param params 包含hostname的参数
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* @return DNS解析结果
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*/
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@PostMapping("/testDns")
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public AjaxResult testDns(@RequestBody Map<String, String> params) {
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String hostname = params.get("hostname");
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if (hostname == null || hostname.trim().isEmpty()) {
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return error("主机名不能为空");
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}
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return success(testDns(hostname));
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}
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/**
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* 测试网络连通性
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* @param params 包含host和port的参数
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* @return 连通性测试结果
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*/
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@PostMapping("/testConnectivity")
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public AjaxResult testConnectivity(@RequestBody Map<String, Object> params) {
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String host = (String) params.get("host");
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Integer port = (Integer) params.get("port");
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if (host == null || host.trim().isEmpty()) {
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return error("主机不能为空");
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}
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if (port == null) {
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return error("端口不能为空");
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}
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return success(testConnection(host, port));
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}
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/**
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* 测试DNS解析
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* @param hostname 主机名
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* @return DNS解析结果
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*/
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private Map<String, Object> testDns(String hostname) {
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Map<String, Object> dnsResult = new HashMap<>();
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try {
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InetAddress[] addresses = InetAddress.getAllByName(hostname);
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dnsResult.put("success", true);
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dnsResult.put("hostname", hostname);
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dnsResult.put("ipCount", addresses.length);
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String[] ips = new String[addresses.length];
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for (int i = 0; i < addresses.length; i++) {
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ips[i] = addresses[i].getHostAddress();
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}
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dnsResult.put("ips", ips);
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} catch (UnknownHostException e) {
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dnsResult.put("success", false);
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dnsResult.put("error", "DNS解析失败: " + e.getMessage());
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dnsResult.put("suggestion", "请检查DNS服务器配置，可以尝试使用公共DNS（如8.8.8.8）");
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}
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return dnsResult;
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}
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/**
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* 测试网络连接
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* @param hostname 主机名
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* @param port 端口号
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* @return 连接测试结果
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*/
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private Map<String, Object> testConnection(String hostname, int port) {
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Map<String, Object> connResult = new HashMap<>();
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long startTime = System.currentTimeMillis();
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try (Socket socket = new Socket()) {
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socket.connect(new java.net.InetSocketAddress(hostname, port), 10000); // 10秒超时
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long endTime = System.currentTimeMillis();
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long responseTime = endTime - startTime;
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connResult.put("success", true);
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connResult.put("hostname", hostname);
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connResult.put("port", port);
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connResult.put("responseTime", responseTime + "ms");
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connResult.put("connected", true);
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} catch (IOException e) {
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long endTime = System.currentTimeMillis();
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long responseTime = endTime - startTime;
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connResult.put("success", false);
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connResult.put("hostname", hostname);
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connResult.put("port", port);
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connResult.put("responseTime", responseTime + "ms");
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connResult.put("error", "连接失败: " + e.getMessage());
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connResult.put("suggestion", "请检查防火墙设置，确认端口" + port + "是否开放");
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}
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return connResult;
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}
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/**
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* 获取网络配置信息
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* @return 网络配置信息
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*/
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private Map<String, Object> getNetworkConfig() {
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Map<String, Object> networkConfig = new HashMap<>();
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try {
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networkConfig.put("httpProxy", System.getProperty("http.proxyHost"));
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networkConfig.put("httpsProxy", System.getProperty("https.proxyHost"));
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networkConfig.put("localHostAddress", InetAddress.getLocalHost().getHostAddress());
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networkConfig.put("localHostName", InetAddress.getLocalHost().getHostName());
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} catch (Exception e) {
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networkConfig.put("error", "获取网络配置失败: " + e.getMessage());
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}
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return networkConfig;
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}
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}
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