fix: service status out of sync

This fixes the status of service becoming out of sync with the user settings by getting service status from ActivityManager.

app/build.gradle.kts

@@ -17,7 +17,7 @@ android {
 
     val versionMajor = 1
     val versionMinor = 1
-    val versionPatch = 3
+    val versionPatch = 4
     val versionBuild = 0
 
     defaultConfig {

app/src/main/java/com/zaneschepke/wireguardautotunnel/service/foreground/ForegroundService.kt

@@ -45,7 +45,6 @@ open class ForegroundService : Service() {
         if (isServiceStarted) return
         Timber.d("Starting ${this.javaClass.simpleName}")
         isServiceStarted = true
-        ServiceTracker.setServiceState(this, ServiceState.STARTED, this.javaClass)
     }
 
     protected open fun stopService(extras : Bundle?) {
@@ -57,6 +56,5 @@ open class ForegroundService : Service() {
             Timber.d("Service stopped without being started: ${e.message}")
         }
         isServiceStarted = false
-        ServiceTracker.setServiceState(this, ServiceState.STOPPED, this.javaClass)
     }
 }

app/src/main/java/com/zaneschepke/wireguardautotunnel/service/foreground/ServiceTracker.kt

@@ -1,29 +1,25 @@
 package com.zaneschepke.wireguardautotunnel.service.foreground
 
+import android.app.ActivityManager
 import android.app.Application
 import android.app.Service
 import android.content.Context
+import android.content.Context.ACTIVITY_SERVICE
 import android.content.Intent
 import android.content.SharedPreferences
 import com.zaneschepke.wireguardautotunnel.R
 
 object ServiceTracker {
-    fun <T : Service> setServiceState(context: Context, state: ServiceState, cls : Class<T>) {
-        val sharedPrefs = getPreferences(context)
-        sharedPrefs.edit().let {
-            it.putString(cls.simpleName, state.name)
-            it.apply()
-        }
-    }
+    @Suppress("DEPRECATION")
+    private // Deprecated for third party Services.
+    fun <T> Context.isServiceRunning(service: Class<T>) =
+        (getSystemService(ACTIVITY_SERVICE) as ActivityManager)
+            .getRunningServices(Integer.MAX_VALUE)
+            .any { it.service.className == service.name }
 
-    private fun <T : Service> getServiceState(context: Context, cls : Class<T>): ServiceState {
-        val sharedPrefs = getPreferences(context)
-        val value = sharedPrefs.getString(cls.simpleName, ServiceState.STOPPED.name)
-        return ServiceState.valueOf(value!!)
-    }
-
-    private fun getPreferences(context: Context): SharedPreferences {
-        return context.getSharedPreferences(context.resources.getString(R.string.foreground_file), 0)
+    fun <T : Service> getServiceState(context: Context, cls : Class<T>): ServiceState {
+        val isServiceRunning = context.isServiceRunning(cls)
+        return if(isServiceRunning) ServiceState.STARTED else ServiceState.STOPPED
     }
 
     fun <T : Service> actionOnService(action: Action, application: Application, cls : Class<T>, extras : Map<String,String>? = null) {

app/src/main/java/com/zaneschepke/wireguardautotunnel/service/foreground/WireGuardConnectivityWatcherService.kt

@@ -131,12 +131,12 @@ class WireGuardConnectivityWatcherService : ForegroundService() {
             if(!settings.isNullOrEmpty()) {
                 setting = settings[0]
             }
+            watchForWifiConnectivityChanges()
             if(setting.isTunnelOnMobileDataEnabled) {
                 GlobalScope.launch {
                     watchForMobileDataConnectivityChanges()
                 }
             }
-            watchForWifiConnectivityChanges()
         }
     }
 
@@ -171,16 +171,18 @@ class WireGuardConnectivityWatcherService : ForegroundService() {
                         isWifiConnected = true
                     }
                     is NetworkStatus.CapabilitiesChanged -> {
+                        Timber.d("Wifi capabilities changed")
                         isWifiConnected = true
                         if (!connecting && !disconnecting) {
+                            Timber.d("Not connect and not disconnecting")
                             val ssid = wifiService.getNetworkName(it.networkCapabilities);
                             Timber.d("SSID: $ssid")
                             if ((setting.trustedNetworkSSIDs?.contains(ssid) == false) && vpnService.getState() == Tunnel.State.DOWN) {
                                 Timber.d("Starting VPN Tunnel for untrusted network: $ssid")
                                 startVPN()
-                            } else if (!disconnecting && vpnService.getState() == Tunnel.State.UP && (setting.trustedNetworkSSIDs?.contains(
+                            } else if (!disconnecting && vpnService.getState() == Tunnel.State.UP && setting.trustedNetworkSSIDs.contains(
                                     ssid
-                                ) == true)
+                                )
                             ) {
                                 Timber.d("Stopping VPN Tunnel for trusted network with ssid: $ssid")
                                 stopVPN()
@@ -191,7 +193,10 @@ class WireGuardConnectivityWatcherService : ForegroundService() {
                         isWifiConnected = false
                         Timber.d("Lost Wi-Fi connection")
                         if(setting.isTunnelOnMobileDataEnabled && vpnService.getState() == Tunnel.State.DOWN
-                            && isMobileDataConnected) startVPN()
+                            && isMobileDataConnected){
+                            Timber.d("Wifi not available so starting vpn for mobile data")
+                            startVPN()
+                        }
                     }
                 }
             }

app/src/main/java/com/zaneschepke/wireguardautotunnel/ui/screens/main/MainViewModel.kt

@@ -11,6 +11,7 @@ import com.wireguard.config.Config
 import com.zaneschepke.wireguardautotunnel.R
 import com.zaneschepke.wireguardautotunnel.repository.Repository
 import com.zaneschepke.wireguardautotunnel.service.foreground.Action
+import com.zaneschepke.wireguardautotunnel.service.foreground.ServiceState
 import com.zaneschepke.wireguardautotunnel.service.foreground.ServiceTracker
 import com.zaneschepke.wireguardautotunnel.service.foreground.WireGuardConnectivityWatcherService
 import com.zaneschepke.wireguardautotunnel.service.foreground.WireGuardTunnelService
@@ -23,6 +24,7 @@ import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.launch
+import timber.log.Timber
 import javax.inject.Inject
 
 
@@ -48,11 +50,26 @@ class MainViewModel @Inject constructor(private val application : Application,
         viewModelScope.launch {
             settingsRepo.itemFlow.collect {
                 val settings = it.first()
+                validateWatcherServiceState(settings)
                 _settings.emit(settings)
             }
         }
     }
 
+    private fun validateWatcherServiceState(settings: Settings) {
+        val watcherState = ServiceTracker.getServiceState(application, WireGuardConnectivityWatcherService::class.java)
+        if(settings.isAutoTunnelEnabled && watcherState == ServiceState.STOPPED && settings.defaultTunnel != null) {
+            startWatcherService(settings.defaultTunnel!!)
+        }
+    }
+
+    private fun startWatcherService(tunnel : String) {
+        ServiceTracker.actionOnService(
+            Action.START, application,
+            WireGuardConnectivityWatcherService::class.java,
+            mapOf(application.resources.getString(R.string.tunnel_extras_key) to tunnel))
+    }
+
     fun onDelete(tunnel : TunnelConfig) {
         viewModelScope.launch {
             if(tunnelRepo.count() == 1L) {