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pangolin/client/lib/bridge/vpn_bridge_provider.dart
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2026-06-22 18:48:58 +08:00

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// vpn_bridge_provider.dart — VpnBridge 平台分派
//
// macOS / Linux / Windows → DesktopVpnBridge(真实子进程)
// Android → VpnNativeBridge(内嵌 libbox 的 VpnService,走 pangolin/vpn 通道)
// 其他平台(iOS / Web / 测试)→ VpnBridgeMock
import 'package:flutter/foundation.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'desktop_vpn_bridge.dart';
import 'vpn_bridge.dart';
import 'vpn_bridge_mock.dart';
// 通过 dart:io Platform 按平台选择实现。
// Web 平台须先检查 kIsWebdart:io 在 Web 上不可用)。
import 'dart:io' show Platform;
/// P1 方案B 开关:macOS 是否走原生 System Extension(VpnNativeBridge)而非 PoC 的
/// sudo 子进程(DesktopVpnBridge)。默认 false——待 PacketTunnel target/签名就绪、
/// 原生侧联调通过后置 true。见 docs/p1-macos-system-extension.md。
const bool kUseNativeVpnMacOS = true;
/// 全局单例 VpnBridge。Ref 生命周期内不变。
final vpnBridgeProvider = Provider<VpnBridge>((ref) {
if (!kIsWeb) {
if (Platform.isMacOS && kUseNativeVpnMacOS) {
return VpnNativeBridge();
}
if (Platform.isAndroid) {
return VpnNativeBridge();
}
if (Platform.isMacOS || Platform.isLinux || Platform.isWindows) {
return DesktopVpnBridge();
}
}
return VpnBridgeMock();
});