mirror of
https://mirror.suhoan.cn/https://github.com/EasyTier/EasyTier.git
synced 2025-12-14 13:47:24 +08:00
add android jni (#1340)
This commit is contained in:
Sijie.Sun
@@ -0,0 +1,252 @@
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package com.easytier.jni
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import android.app.Activity
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import android.content.Intent
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import android.os.Handler
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import android.os.Looper
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import android.util.Log
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import com.squareup.moshi.Moshi
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import com.squareup.wire.WireJsonAdapterFactory
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import common.Ipv4Inet
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import web.NetworkInstanceRunningInfoMap
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fun parseIpv4InetToString(inet: Ipv4Inet?): String? {
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val addr = inet?.address?.addr ?: return null
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val networkLength = inet.network_length
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// 将 int32 转换为 IPv4 字符串
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val ip =
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String.format(
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"%d.%d.%d.%d",
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(addr shr 24) and 0xFF,
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(addr shr 16) and 0xFF,
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(addr shr 8) and 0xFF,
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addr and 0xFF
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)
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return "$ip/$networkLength"
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}
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/** EasyTier 管理类 负责管理 EasyTier 实例的生命周期、监控网络状态变化、控制 VpnService */
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class EasyTierManager(
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private val activity: Activity,
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private val instanceName: String,
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private val networkConfig: String
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) {
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companion object {
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private const val TAG = "EasyTierManager"
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private const val MONITOR_INTERVAL = 3000L // 3秒监控间隔
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}
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private val handler = Handler(Looper.getMainLooper())
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private var isRunning = false
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private var currentIpv4: String? = null
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private var currentProxyCidrs: List<String> = emptyList()
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private var vpnServiceIntent: Intent? = null
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// JSON 解析器
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private val moshi = Moshi.Builder().add(WireJsonAdapterFactory()).build()
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private val adapter = moshi.adapter(NetworkInstanceRunningInfoMap::class.java)
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// 监控任务
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private val monitorRunnable =
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object : Runnable {
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override fun run() {
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if (isRunning) {
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monitorNetworkStatus()
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handler.postDelayed(this, MONITOR_INTERVAL)
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}
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}
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}
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/** 启动 EasyTier 实例和监控 */
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fun start() {
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if (isRunning) {
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Log.w(TAG, "EasyTier 实例已经在运行中")
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return
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}
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try {
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// 启动 EasyTier 实例
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val result = EasyTierJNI.runNetworkInstance(networkConfig)
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if (result == 0) {
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isRunning = true
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Log.i(TAG, "EasyTier 实例启动成功: $instanceName")
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// 开始监控网络状态
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handler.post(monitorRunnable)
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} else {
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Log.e(TAG, "EasyTier 实例启动失败: $result")
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val error = EasyTierJNI.getLastError()
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Log.e(TAG, "错误信息: $error")
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}
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} catch (e: Exception) {
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Log.e(TAG, "启动 EasyTier 实例时发生异常", e)
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}
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}
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/** 停止 EasyTier 实例和监控 */
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fun stop() {
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if (!isRunning) {
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Log.w(TAG, "EasyTier 实例未在运行")
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return
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}
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isRunning = false
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// 停止监控任务
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handler.removeCallbacks(monitorRunnable)
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try {
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// 停止 VpnService
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stopVpnService()
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// 停止 EasyTier 实例
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EasyTierJNI.stopAllInstances()
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Log.i(TAG, "EasyTier 实例已停止: $instanceName")
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// 重置状态
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currentIpv4 = null
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currentProxyCidrs = emptyList()
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} catch (e: Exception) {
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Log.e(TAG, "停止 EasyTier 实例时发生异常", e)
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}
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}
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/** 监控网络状态 */
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private fun monitorNetworkStatus() {
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try {
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val infosJson = EasyTierJNI.collectNetworkInfos(10)
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if (infosJson.isNullOrEmpty()) {
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Log.d(TAG, "未获取到网络信息")
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return
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}
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val networkInfoMap = parseNetworkInfo(infosJson)
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val networkInfo = networkInfoMap?.map?.get(instanceName)
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if (networkInfo == null) {
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Log.d(TAG, "未找到实例 $instanceName 的网络信息")
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return
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}
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Log.d(TAG, "网络信息: $networkInfo")
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// 检查实例是否正在运行
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if (!networkInfo.running) {
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Log.w(TAG, "EasyTier 实例未运行: ${networkInfo.error_msg}")
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return
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}
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val newIpv4Inet = networkInfo.my_node_info?.virtual_ipv4
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if (newIpv4Inet == null) {
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Log.w(TAG, "EasyTier No Ipv4: $networkInfo")
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return
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}
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// 获取当前节点的 IPv4 地址
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val newIpv4 = parseIpv4InetToString(newIpv4Inet)
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// 获取所有节点的 proxy_cidrs
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val newProxyCidrs = mutableListOf<String>()
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networkInfo.routes?.forEach { route ->
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route.proxy_cidrs?.let { cidrs -> newProxyCidrs.addAll(cidrs) }
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}
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// 检查是否有变化
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val ipv4Changed = newIpv4 != currentIpv4
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val proxyCidrsChanged = newProxyCidrs != currentProxyCidrs
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if (ipv4Changed || proxyCidrsChanged) {
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Log.i(TAG, "网络状态发生变化:")
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Log.i(TAG, " IPv4: $currentIpv4 -> $newIpv4")
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Log.i(TAG, " Proxy CIDRs: $currentProxyCidrs -> $newProxyCidrs")
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// 更新状态
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currentIpv4 = newIpv4
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currentProxyCidrs = newProxyCidrs.toList()
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// 重启 VpnService
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if (newIpv4 != null) {
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restartVpnService(newIpv4, newProxyCidrs)
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}
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} else {
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Log.d(TAG, "网络状态无变化 - IPv4: $currentIpv4, Proxy CIDRs: ${currentProxyCidrs.size} 个")
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}
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} catch (e: Exception) {
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Log.e(TAG, "监控网络状态时发生异常", e)
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}
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}
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/** 解析网络信息 JSON */
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private fun parseNetworkInfo(jsonString: String): NetworkInstanceRunningInfoMap? {
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return try {
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adapter.fromJson(jsonString)
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} catch (e: Exception) {
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Log.e(TAG, "解析网络信息失败", e)
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null
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}
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}
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/** 重启 VpnService */
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private fun restartVpnService(ipv4: String, proxyCidrs: List<String>) {
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try {
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// 先停止现有的 VpnService
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stopVpnService()
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// 启动新的 VpnService
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startVpnService(ipv4, proxyCidrs)
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} catch (e: Exception) {
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Log.e(TAG, "重启 VpnService 时发生异常", e)
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}
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}
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/** 启动 VpnService */
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private fun startVpnService(ipv4: String, proxyCidrs: List<String>) {
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try {
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val intent = Intent(activity, EasyTierVpnService::class.java)
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intent.putExtra("ipv4_address", ipv4)
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intent.putStringArrayListExtra("proxy_cidrs", ArrayList(proxyCidrs))
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intent.putExtra("instance_name", instanceName)
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activity.startService(intent)
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vpnServiceIntent = intent
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Log.i(TAG, "VpnService 已启动 - IPv4: $ipv4, Proxy CIDRs: $proxyCidrs")
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} catch (e: Exception) {
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Log.e(TAG, "启动 VpnService 时发生异常", e)
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}
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}
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/** 停止 VpnService */
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private fun stopVpnService() {
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try {
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vpnServiceIntent?.let { intent ->
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activity.stopService(intent)
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Log.i(TAG, "VpnService 已停止")
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}
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vpnServiceIntent = null
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} catch (e: Exception) {
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Log.e(TAG, "停止 VpnService 时发生异常", e)
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}
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}
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/** 获取当前状态信息 */
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fun getStatus(): EasyTierStatus {
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return EasyTierStatus(
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isRunning = isRunning,
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instanceName = instanceName,
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currentIpv4 = currentIpv4,
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currentProxyCidrs = currentProxyCidrs.toList()
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)
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}
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/** 状态数据类 */
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data class EasyTierStatus(
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val isRunning: Boolean,
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val instanceName: String,
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val currentIpv4: String?,
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val currentProxyCidrs: List<String>
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)
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}
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