Update OpenVPN library to v0.7.5.1

app/proguard-rules.pro

@@ -6,3 +6,13 @@
 -dontwarn org.conscrypt.*
 -dontwarn org.openjsse.javax.net.ssl.*
 -dontwarn org.openjsse.net.ssl.*
+
+-keepclassmembers class com.wireguard.android.backend.GoBackend {
+    <fields>;
+}
+-keepclassmembers class com.wireguard.android.backend.GoBackend$GhettoCompletableFuture {
+    <methods>;
+}
+-keepclassmembers class android.net.VpnService {
+    <methods>;
+}

app/src/main/java/nl/eduvpn/app/viewmodel/ServerSelectionViewModel.kt

@@ -75,7 +75,7 @@ class ServerSelectionViewModel @Inject constructor(
         viewModelScope.launch {
             var retryCount = 0
             while (hasNoMoreServers() && retryCount < 5) {
-                delay(5_00L)
+                delay(500L)
                 Log.i(TAG, "No servers found, retrying once more just in case. [$retryCount]")
                 refresh()
                 retryCount++

common/src/main/cpp/jni.cpp

@@ -107,7 +107,7 @@ void proxyReady() {
         return;
     }
     JNIEnv *env;
-    __android_log_print(ANDROID_LOG_WARN, "Common-JNI", "ProxyGuard is READY!");
+    __android_log_print(ANDROID_LOG_WARN, "Common-JNI", "ProxyGuard is ready!");
     bool didAttach = GetJniEnv(globalVM, &env);
     jfieldID callbackFieldId = env->GetStaticFieldID(globalBackendClass, "callbackFunction","Lorg/eduvpn/common/GoBackend$Callback;");
     jobject callbackField = env->GetStaticObjectField(globalBackendClass, callbackFieldId);
@@ -222,7 +222,10 @@ extern "C" JNIEXPORT jstring JNICALL
 Java_org_eduvpn_common_GoBackend_addServer(JNIEnv *env, jobject /* this */, jint serverType, jstring id) {
     uintptr_t cookie = CookieNew();
     const char *id_str = env->GetStringUTFChars(id, nullptr);
-    SetState(1); // Change first to main state to make sure we are not in a previous state.
+    if (InState(11).r0 != 0) {
+        // If we just disconnected, we need to manually set the state back to main
+        SetState(1);
+    }
     char *error = AddServer(cookie, (int)serverType, (char *)id_str, nullptr);
     CookieDelete(cookie);
     // Do not delete the cookie, because it might be reused later in the flow