agent网卡探测方法修改。
网卡流量探测兼容没配IP的
This commit is contained in:
gaoyutao
+46
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######################################################################
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# Build Tools
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.gradle
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/build/
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!gradle/wrapper/gradle-wrapper.jar
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target/
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!.mvn/wrapper/maven-wrapper.jar
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######################################################################
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# IDE
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### STS ###
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.apt_generated
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.classpath
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.factorypath
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.project
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.settings
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.springBeans
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### IntelliJ IDEA ###
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.idea
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*.iws
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*.iml
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*.ipr
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### JRebel ###
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rebel.xml
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### NetBeans ###
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nbproject/private/
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build/*
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nbbuild/
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dist/
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nbdist/
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.nb-gradle/
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######################################################################
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# Others
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*.log
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*.xml.versionsBackup
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*.swp
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!*/build/*.java
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!*/build/*.html
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!*/build/*.xml
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@@ -0,0 +1,411 @@
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package com.tongran.agent.client.utils;
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import com.tongran.agent.client.core.vo.NetworkInterfaceInfo;
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import org.apache.commons.lang3.StringUtils;
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import java.io.BufferedReader;
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import java.io.InputStreamReader;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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/**
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* 网络接口工具类（通过 ip 命令获取）
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*/
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public class NetworkInterfaceUtil {
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/**
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* 收集所有 Ethernet 类型网卡信息
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*/
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public static List<NetworkInterfaceInfo> collectNetworkInfo() throws Exception {
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List<NetworkInterfaceInfo> result = new ArrayList<>();
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Map<String, NetworkInterfaceInfo> parentMap = new HashMap<>();
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List<NetworkInterfaceInfo> childTempList = new ArrayList<>();
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// 获取所有网卡详细信息
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List<NetworkInterfaceDetails> allInterfaces = getNetworkInterfacesFromIpLink();
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AssertLog.info("从 ip link 获取到 {} 个网络接口", allInterfaces.size());
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for (NetworkInterfaceDetails interfaceDetail : allInterfaces) {
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String name = interfaceDetail.name;
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String realName = interfaceDetail.realName;
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boolean isUp = "UP".equals(interfaceDetail.state);
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// 调试信息
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AssertLog.info("开始处理网卡: {}", name);
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AssertLog.info(" 状态: {}, 是否虚拟: {}",
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isUp ? "UP" : "DOWN", interfaceDetail.isVirtual);
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// 跳过回环、关闭的接口
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if (name.equals("lo") || !isUp) {
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AssertLog.info(" 跳过网卡 {}: 回环或未启用", name);
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continue;
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}
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// 判断是否为 Ethernet（通过名称约定）
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if (!isEthernetInterface(interfaceDetail)) {
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AssertLog.info(" 跳过网卡 {}: 非以太网接口", name);
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continue;
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}
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// 获取IP地址
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String ipv4 = getIPv4AddressFromIpAddr(name);
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String ipv6 = getIPv6AddressFromIpAddr(name);
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AssertLog.info(" IPv4: {}, IPv6: {}", ipv4, ipv6);
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// 检查IP4信息
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// if (ipv4.equals("N/A")) {
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// AssertLog.info(" 跳过网卡 {}: 无IPv4地址", name);
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// continue;
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// }
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// 检查物理链路状态
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boolean isConnected = isInterfaceConnected(name);
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if (!isConnected) {
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AssertLog.info(" 跳过网卡 {}: 物理链路未连接", name);
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continue;
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}
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// 获取网关
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String gateway = AgentUtil.getGateway(name, "www.baidu.com");
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AssertLog.info(" 网关: {}", gateway);
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if ("N/A".equals(gateway)) {
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AssertLog.info(" 跳过网卡 {}: 无法获取网关", name);
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continue;
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}
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// 获取公网IP
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String publicIp = null;
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String ipInfo = null;
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if (gateway != null) {
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ipInfo = PublicIpFetcher.getPublicIp();
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publicIp = PublicIpFetcher.extractIp(ipInfo);
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if (publicIp != null) {
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AssertLog.info(" 公网 IP: {}", publicIp);
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} else {
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AssertLog.info(" 未能提取公网 IP 地址");
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}
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if (StringUtils.isBlank(publicIp)) {
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AssertLog.info(" 跳过网卡 {}: 无公网IP", name);
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continue;
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}
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}
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// 创建网卡信息对象
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NetworkInterfaceInfo info = NetworkInterfaceInfo.builder()
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.name(name)
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.type("Ethernet")
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.mac(interfaceDetail.macAddress)
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.ipv4(ipv4)
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.ipv6(ipv6)
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.gateway(gateway)
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.publicIp(publicIp)
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.build();
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// 如果有公网 IP，查询归属地
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if (publicIp != null && !publicIp.isEmpty() && ipInfo != null) {
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// 提取归属地信息
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PublicIpFetcher.IpLocationInfo location = PublicIpFetcher.extractLocation(ipInfo);
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info.setProvince(location.getProvince());
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info.setCity(location.getCity());
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info.setCarrier(location.getCarrier());
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}
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// 判断父子关系
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if (interfaceDetail.parent != null && !interfaceDetail.parent.isEmpty()) {
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// 子接口
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AssertLog.info(" 识别为子接口: {}", name);
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String parentName = interfaceDetail.parent;
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// 递归查找最终的父网卡
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parentName = findRootParentInterface(parentName, allInterfaces);
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if (!interfaceDetail.parent.equals(parentName)) {
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AssertLog.info(" {} 的最终父接口是: {} (原始父接口: {})",
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name, parentName, interfaceDetail.parent);
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}
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info.setParentInterface(parentName);
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// 查找父接口
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NetworkInterfaceInfo parent = parentMap.get(parentName);
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if (parent != null) {
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// 设置父子关系
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if (parent.getSubInterfaces() == null) {
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parent.setSubInterfaces(new ArrayList<>());
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}
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parent.getSubInterfaces().add(info);
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AssertLog.info(" 添加到父接口 {} 的子接口列表", parentName);
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} else {
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// 父接口还未处理，先放到临时列表
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childTempList.add(info);
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AssertLog.info(" 父接口 {} 还未处理，放入临时列表", parentName);
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}
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} else {
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// 父接口
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AssertLog.info(" 识别为父接口: {}", name);
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parentMap.put(name, info);
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}
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}
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// 处理父接口加入结果
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for (NetworkInterfaceInfo parent : parentMap.values()) {
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result.add(parent);
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AssertLog.info("父接口 {} 加入结果列表", parent.getName());
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}
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// 处理子接口（父接口未出现的情况）
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for (NetworkInterfaceInfo child : childTempList) {
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String parentName = child.getParentInterface();
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NetworkInterfaceInfo parent = parentMap.get(parentName);
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if (parent != null) {
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// 建立父子关系
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if (parent.getSubInterfaces() == null) {
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parent.setSubInterfaces(new ArrayList<>());
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}
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parent.getSubInterfaces().add(child);
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AssertLog.info("子接口 {} 关联到父接口 {}", child.getName(), parentName);
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} else {
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// 确实没有父接口，作为独立接口
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result.add(child);
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AssertLog.info("子接口 {} 无父接口，作为独立接口", child.getName());
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}
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}
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AssertLog.info("共收集到 {} 个有效网卡接口", result.size());
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return result;
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}
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/**
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* 递归查找最终的父网卡
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*/
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private static String findRootParentInterface(String currentParent, List<NetworkInterfaceDetails> allInterfaces) {
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// 查找当前父网卡的详细信息
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for (NetworkInterfaceDetails iface : allInterfaces) {
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if (iface.name.equals(currentParent) && iface.parent != null && !iface.parent.isEmpty()) {
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// 如果当前父网卡还有父网卡，继续递归查找
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return findRootParentInterface(iface.parent, allInterfaces);
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}
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}
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// 返回最终的父网卡名称
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return currentParent;
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}
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/**
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* 通过 ip link 命令获取网卡详细信息
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*/
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private static List<NetworkInterfaceDetails> getNetworkInterfacesFromIpLink() throws Exception {
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List<NetworkInterfaceDetails> interfaces = new ArrayList<>();
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Process process = Runtime.getRuntime().exec("ip -d link show");
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BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()));
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String line;
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NetworkInterfaceDetails currentInterface = null;
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Pattern interfacePattern = Pattern.compile("^(\\d+):\\s+(\\S+?)(?:@(\\S+))?\\s*:");
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Pattern linkPattern = Pattern.compile("\\s+link/(\\S+)\\s+([0-9a-f:]+)");
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Pattern statePattern = Pattern.compile("state\\s+(UP|DOWN|UNKNOWN)");
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while ((line = reader.readLine()) != null) {
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Matcher interfaceMatcher = interfacePattern.matcher(line);
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if (interfaceMatcher.find()) {
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// 保存上一个接口
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if (currentInterface != null) {
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interfaces.add(currentInterface);
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}
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// 创建新的接口
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currentInterface = new NetworkInterfaceDetails();
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currentInterface.index = Integer.parseInt(interfaceMatcher.group(1));
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currentInterface.name = interfaceMatcher.group(2).trim();
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// 提取父接口（如果有@符号）
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if (interfaceMatcher.group(3) != null) {
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currentInterface.parent = interfaceMatcher.group(3).trim();
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currentInterface.realName = currentInterface.name + "@" + currentInterface.parent;
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}
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// 检查是否是虚拟接口
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String ifaceName = currentInterface.name;
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if (ifaceName.contains(".") || ifaceName.startsWith("xdbvl") ||
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ifaceName.startsWith("docker") || ifaceName.startsWith("veth") ||
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ifaceName.startsWith("br-") || ifaceName.startsWith("virbr")) {
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currentInterface.isVirtual = true;
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}
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}
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if (currentInterface != null) {
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// 解析状态
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Matcher stateMatcher = statePattern.matcher(line);
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if (stateMatcher.find()) {
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currentInterface.state = stateMatcher.group(1);
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}
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// 解析MAC地址
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Matcher linkMatcher = linkPattern.matcher(line);
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if (linkMatcher.find()) {
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currentInterface.macAddress = linkMatcher.group(2);
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}
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}
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}
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// 添加最后一个接口
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if (currentInterface != null) {
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interfaces.add(currentInterface);
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}
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reader.close();
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process.waitFor();
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// 补充父接口信息
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Map<String, String> interfaceNames = new HashMap<>();
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for (NetworkInterfaceDetails iface : interfaces) {
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interfaceNames.put(iface.name, iface.name);
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}
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// 确保所有父接口都存在
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for (NetworkInterfaceDetails iface : interfaces) {
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if (iface.parent != null && !interfaceNames.containsKey(iface.parent)) {
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// 如果父接口不存在，可能是类似 eth0.203 的情况
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if (iface.parent.contains(".")) {
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String[] parts = iface.parent.split("\\.");
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if (parts.length > 0) {
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iface.parent = parts[0];
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}
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}
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}
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}
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return interfaces;
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}
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/**
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* 从 ip addr 命令获取IPv4地址
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*/
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private static String getIPv4AddressFromIpAddr(String interfaceName) throws Exception {
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String command = String.format("ip -4 addr show %s 2>/dev/null || echo ''", interfaceName);
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Process process = Runtime.getRuntime().exec(new String[]{"sh", "-c", command});
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BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()));
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String line;
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while ((line = reader.readLine()) != null) {
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if (line.contains("inet ")) {
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String[] parts = line.trim().split("\\s+");
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if (parts.length >= 2) {
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String ipWithMask = parts[1];
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reader.close();
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process.waitFor();
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return ipWithMask.split("/")[0];
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}
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}
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}
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reader.close();
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process.waitFor();
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return "N/A";
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}
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/**
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* 从 ip addr 命令获取IPv6地址
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*/
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private static String getIPv6AddressFromIpAddr(String interfaceName) throws Exception {
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String command = String.format("ip -6 addr show %s 2>/dev/null | grep -v scope.link || echo ''", interfaceName);
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Process process = Runtime.getRuntime().exec(new String[]{"sh", "-c", command});
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BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()));
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String line;
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while ((line = reader.readLine()) != null) {
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if (line.contains("inet6 ")) {
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String[] parts = line.trim().split("\\s+");
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if (parts.length >= 2) {
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String ipWithMask = parts[1];
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reader.close();
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process.waitFor();
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return ipWithMask.split("/")[0];
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}
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}
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}
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reader.close();
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||||||
|
process.waitFor();
|
||||||
|
return "N/A";
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* 判断是否为以太网接口
|
||||||
|
*/
|
||||||
|
private static boolean isEthernetInterface(NetworkInterfaceDetails interfaceDetail) {
|
||||||
|
String name = interfaceDetail.name;
|
||||||
|
// 判断是否为以太网接口
|
||||||
|
if (name.startsWith("eth") || // Linux 传统
|
||||||
|
name.startsWith("en") || // systemd 命名 (enp3s0)
|
||||||
|
name.startsWith("em") // 有些主板网卡
|
||||||
|
) {
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
// 如果有父接口，也可能是有效的子接口
|
||||||
|
if (interfaceDetail.parent != null && !interfaceDetail.parent.isEmpty()) {
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* 检查物理链路状态
|
||||||
|
*/
|
||||||
|
private static boolean isInterfaceConnected(String interfaceName) {
|
||||||
|
try {
|
||||||
|
String os = System.getProperty("os.name").toLowerCase();
|
||||||
|
Process process;
|
||||||
|
|
||||||
|
if (os.contains("win")) {
|
||||||
|
// Windows: 使用 wmic 检查网卡是否启用
|
||||||
|
process = Runtime.getRuntime().exec(
|
||||||
|
"wmic nic where \"NetEnabled=true\" get Name");
|
||||||
|
} else {
|
||||||
|
// Linux: 检查 operstate
|
||||||
|
process = Runtime.getRuntime().exec(
|
||||||
|
"cat /sys/class/net/" + interfaceName + "/operstate");
|
||||||
|
}
|
||||||
|
|
||||||
|
BufferedReader reader = new BufferedReader(
|
||||||
|
new InputStreamReader(process.getInputStream()));
|
||||||
|
String line;
|
||||||
|
while ((line = reader.readLine()) != null) {
|
||||||
|
if (os.contains("win")) {
|
||||||
|
if (line.trim().equalsIgnoreCase(interfaceName)) {
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
return "up".equals(line.trim());
|
||||||
|
}
|
||||||
|
}
|
||||||
|
reader.close();
|
||||||
|
return false;
|
||||||
|
} catch (Exception e) {
|
||||||
|
System.err.println("无法检查接口状态: " + interfaceName);
|
||||||
|
return false; // 保守处理
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* 内部类：网卡详情
|
||||||
|
*/
|
||||||
|
static class NetworkInterfaceDetails {
|
||||||
|
int index;
|
||||||
|
String name;
|
||||||
|
|
||||||
|
String realName;
|
||||||
|
String state = "UNKNOWN";
|
||||||
|
String macAddress = "";
|
||||||
|
String parent = null;
|
||||||
|
boolean isVirtual = false;
|
||||||
|
}
|
||||||
|
}
|
||||||
Reference in New Issue
Block a user