145 lines
4.3 KiB
Java
145 lines
4.3 KiB
Java
import android.net.VpnService;
|
|
import android.os.ParcelFileDescriptor;
|
|
import com.vnt.*;
|
|
|
|
/**
|
|
* Android VPN服务示例
|
|
*
|
|
* 演示如何正确使用VNT JNI接口：
|
|
* 1. 创建网络
|
|
* 2. 注册获取IP/掩码
|
|
* 3. 用获取的参数建立Android VPN接口
|
|
* 4. 传入tunFd启动VNT
|
|
*/
|
|
public class AndroidVpnExample extends VpnService {
|
|
|
|
private VntNetwork network;
|
|
private ParcelFileDescriptor vpnInterface;
|
|
|
|
@Override
|
|
public int onStartCommand(android.content.Intent intent, int flags, int startId) {
|
|
try {
|
|
startVpn();
|
|
return START_STICKY;
|
|
} catch (Exception e) {
|
|
e.printStackTrace();
|
|
stopSelf();
|
|
return START_NOT_STICKY;
|
|
}
|
|
}
|
|
|
|
private void startVpn() throws Exception {
|
|
// 1. 初始化VNT（全局初始化，只需一次）
|
|
if (!VntManager.init()) {
|
|
throw new VntException("Failed to initialize VNT");
|
|
}
|
|
|
|
// 2. 构建配置
|
|
VntConfig config = new VntConfig.Builder()
|
|
.addServer("tcp://101.35.230.139:6660")
|
|
.setNetworkCode("your_network_code")
|
|
.setPassword("123456")
|
|
.setDeviceName("AndroidDevice")
|
|
.setCompress(true)
|
|
.setMtu(1380)
|
|
.build();
|
|
|
|
// 3. 创建网络实例
|
|
network = VntManager.createNetwork(config);
|
|
if (network == null) {
|
|
throw new VntException("Failed to create network");
|
|
}
|
|
|
|
// 4. 注册网络（连接服务器，获取分配的IP和掩码）
|
|
RegisterResult result = network.register();
|
|
System.out.println("Registration successful: " + result);
|
|
|
|
// 5. 使用注册返回的IP和掩码，建立Android VPN接口
|
|
VpnService.Builder builder = new Builder();
|
|
builder.setMtu(1380);
|
|
builder.addAddress(result.getIp(), result.getPrefixLen());
|
|
builder.addRoute("0.0.0.0", 0); // 全局路由
|
|
builder.setSession("VNT VPN");
|
|
|
|
// 建立VPN接口，获取文件描述符
|
|
vpnInterface = builder.establish();
|
|
if (vpnInterface == null) {
|
|
throw new VntException("Failed to establish VPN interface");
|
|
}
|
|
|
|
int tunFd = vpnInterface.getFd();
|
|
System.out.println("VPN interface established, fd: " + tunFd);
|
|
|
|
// 6. 将tunFd传给VNT，启动数据转发
|
|
network.startTun(tunFd);
|
|
System.out.println("VNT started successfully!");
|
|
|
|
// 7. 获取API用于查询状态
|
|
VntApi api = network.getApi();
|
|
|
|
// 8. 查询网络信息
|
|
VntApi.NetworkInfo networkInfo = api.getNetwork();
|
|
System.out.println("Network info: " + networkInfo);
|
|
|
|
// 9. 查询NAT信息
|
|
VntApi.NatInfo natInfo = api.getNatInfo();
|
|
System.out.println("NAT info: " + natInfo);
|
|
}
|
|
|
|
@Override
|
|
public void onDestroy() {
|
|
super.onDestroy();
|
|
|
|
// 清理资源
|
|
if (network != null) {
|
|
network.stop();
|
|
network = null;
|
|
}
|
|
|
|
if (vpnInterface != null) {
|
|
try {
|
|
vpnInterface.close();
|
|
} catch (Exception e) {
|
|
e.printStackTrace();
|
|
}
|
|
vpnInterface = null;
|
|
}
|
|
|
|
VntManager.destroy();
|
|
}
|
|
|
|
/**
|
|
* 查询客户端列表（可在UI线程定期调用）
|
|
*/
|
|
public void queryClients() {
|
|
if (network == null) {
|
|
return;
|
|
}
|
|
|
|
try {
|
|
VntApi api = network.getApi();
|
|
for (VntApi.ClientInfo client : api.getClientList()) {
|
|
System.out.println("Client: " + client);
|
|
|
|
// 检查是否直连
|
|
boolean direct = api.isDirect(client.getIp());
|
|
System.out.println(" Direct: " + direct);
|
|
|
|
// 获取丢包信息
|
|
VntApi.PacketLossInfo loss = api.getPacketLoss(client.getIp());
|
|
if (loss != null) {
|
|
System.out.println(" Packet loss: " + loss);
|
|
}
|
|
|
|
// 获取流量信息
|
|
VntApi.TrafficInfo traffic = api.getTrafficInfo(client.getIp());
|
|
if (traffic != null) {
|
|
System.out.println(" Traffic: " + traffic);
|
|
}
|
|
}
|
|
} catch (Exception e) {
|
|
e.printStackTrace();
|
|
}
|
|
}
|
|
}
|