| /* |
| * Copyright (C) 2020 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.server.wifi; |
| |
| import android.content.Context; |
| import android.net.NetworkCapabilities; |
| import android.net.NetworkFactory; |
| import android.net.NetworkRequest; |
| import android.os.Looper; |
| import android.os.WorkSource; |
| import android.util.Log; |
| |
| import java.io.FileDescriptor; |
| import java.io.PrintWriter; |
| |
| /** |
| * Network factory to handle oem paid/private wifi network requests. |
| */ |
| public class OemWifiNetworkFactory extends NetworkFactory { |
| private static final String TAG = "OemPaidWifiNetworkFactory"; |
| private static final int SCORE_FILTER = Integer.MAX_VALUE; |
| |
| private final WifiConnectivityManager mWifiConnectivityManager; |
| private int mOemPaidConnectionReqCount = 0; |
| private int mOemPrivateConnectionReqCount = 0; |
| |
| public OemWifiNetworkFactory(Looper l, Context c, NetworkCapabilities f, |
| WifiConnectivityManager connectivityManager) { |
| super(l, c, TAG, f); |
| mWifiConnectivityManager = connectivityManager; |
| |
| setScoreFilter(SCORE_FILTER); |
| } |
| |
| @Override |
| protected void needNetworkFor(NetworkRequest networkRequest) { |
| if (networkRequest.hasCapability(NetworkCapabilities.NET_CAPABILITY_OEM_PAID)) { |
| mOemPaidConnectionReqCount++; |
| if (mOemPaidConnectionReqCount == 1) { |
| mWifiConnectivityManager.setOemPaidConnectionAllowed( |
| true, new WorkSource(networkRequest.getRequestorUid(), |
| networkRequest.getRequestorPackageName())); |
| } |
| } |
| if (networkRequest.hasCapability(NetworkCapabilities.NET_CAPABILITY_OEM_PRIVATE)) { |
| mOemPrivateConnectionReqCount++; |
| if (mOemPrivateConnectionReqCount == 1) { |
| mWifiConnectivityManager.setOemPrivateConnectionAllowed( |
| true, new WorkSource(networkRequest.getRequestorUid(), |
| networkRequest.getRequestorPackageName())); |
| } |
| } |
| } |
| |
| @Override |
| protected void releaseNetworkFor(NetworkRequest networkRequest) { |
| if (networkRequest.hasCapability(NetworkCapabilities.NET_CAPABILITY_OEM_PAID)) { |
| if (mOemPaidConnectionReqCount == 0) { |
| Log.e(TAG, "No valid network request to release"); |
| return; |
| } |
| mOemPaidConnectionReqCount--; |
| if (mOemPaidConnectionReqCount == 0) { |
| mWifiConnectivityManager.setOemPaidConnectionAllowed(false, null); |
| } |
| } |
| if (networkRequest.hasCapability(NetworkCapabilities.NET_CAPABILITY_OEM_PRIVATE)) { |
| if (mOemPrivateConnectionReqCount == 0) { |
| Log.e(TAG, "No valid network request to release"); |
| return; |
| } |
| mOemPrivateConnectionReqCount--; |
| if (mOemPrivateConnectionReqCount == 0) { |
| mWifiConnectivityManager.setOemPrivateConnectionAllowed(false, null); |
| } |
| } |
| } |
| |
| @Override |
| public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| super.dump(fd, pw, args); |
| pw.println(TAG + ": mOemPaidConnectionReqCount " + mOemPaidConnectionReqCount); |
| pw.println(TAG + ": mOemPrivateConnectionReqCount " + mOemPrivateConnectionReqCount); |
| } |
| |
| /** |
| * Check if there is at-least one connection request. |
| */ |
| public boolean hasConnectionRequests() { |
| return mOemPaidConnectionReqCount > 0 || mOemPrivateConnectionReqCount > 0; |
| } |
| } |
| |