feat(service): add wake lock support and implement core restart on shutdown

V2rayNG/app/src/main/AndroidManifest.xml

@@ -28,6 +28,7 @@
         android:name="android.permission.QUERY_ALL_PACKAGES"
         tools:ignore="PackageVisibilityPolicy,QueryAllPackagesPermission" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+    <uses-permission android:name="android.permission.WAKE_LOCK" />
     <uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />

V2rayNG/app/src/main/java/xyz/zarazaex/olc/handler/V2RayServiceManager.kt

@@ -353,10 +353,19 @@ object V2RayServiceManager {
         override fun shutdown(): Long {
             val serviceControl = serviceControl?.get() ?: return -1
             return try {
-                serviceControl.stopService()
+                Log.w(AppConfig.TAG, "StartCore-Manager: Core shutdown callback, attempting restart")
+                val service = serviceControl.getService()
+                CoroutineScope(Dispatchers.IO).launch {
+                    kotlinx.coroutines.delay(1000L)
+                    val ctx = service.applicationContext
+                    if (coreController.isRunning == false) {
+                        Log.i(AppConfig.TAG, "StartCore-Manager: Restarting service after core shutdown")
+                        startVService(ctx)
+                    }
+                }
                 0
             } catch (e: Exception) {
-                Log.e(AppConfig.TAG, "StartCore-Manager: Failed to stop service", e)
+                Log.e(AppConfig.TAG, "StartCore-Manager: Failed to handle core shutdown", e)
                 -1
             }
         }

V2rayNG/app/src/main/java/xyz/zarazaex/olc/service/V2RayVpnService.kt

@@ -13,6 +13,7 @@ import android.net.ProxyInfo
 import android.net.VpnService
 import android.os.Build
 import android.os.ParcelFileDescriptor
+import android.os.PowerManager
 import android.os.StrictMode
 import android.util.Log
 import androidx.annotation.RequiresApi
@@ -35,6 +36,7 @@ class V2RayVpnService : VpnService(), ServiceControl {
     private lateinit var mInterface: ParcelFileDescriptor
     private var isRunning = false
     private var tun2SocksService: Tun2SocksControl? = null
+    private var wakeLock: PowerManager.WakeLock? = null
 
     /**destroy
      * Unfortunately registerDefaultNetworkCallback is going to return our VPN interface: https://android.googlesource.com/platform/frameworks/base/+/dda156ab0c5d66ad82bdcf76cda07cbc0a9c8a2e
@@ -79,6 +81,9 @@ class V2RayVpnService : VpnService(), ServiceControl {
         val policy = StrictMode.ThreadPolicy.Builder().permitAll().build()
         StrictMode.setThreadPolicy(policy)
         V2RayServiceManager.serviceControl = SoftReference(this)
+        wakeLock = (getSystemService(Context.POWER_SERVICE) as PowerManager)
+            .newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "v2rayng:vpn")
+            .also { it.acquire() }
     }
 
     override fun onRevoke() {
@@ -94,6 +99,8 @@ class V2RayVpnService : VpnService(), ServiceControl {
     override fun onDestroy() {
         super.onDestroy()
         Log.i(AppConfig.TAG, "StartCore-VPN: Service destroyed")
+        wakeLock?.let { if (it.isHeld) it.release() }
+        wakeLock = null
         NotificationManager.cancelNotification()
         MessageUtil.sendMsg2UI(this, AppConfig.MSG_STATE_STOP_SUCCESS, "")
     }