| /* |
| * Copyright (C) 2006 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.internal.telephony.dataconnection; |
| |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.net.NetworkRequest; |
| import android.net.NetworkSpecifier; |
| import android.net.TelephonyNetworkSpecifier; |
| import android.telephony.Annotation.ApnType; |
| |
| import com.android.telephony.Rlog; |
| |
| /** |
| * Wraps cellular network requests to configured apn types. |
| */ |
| public class DcRequest implements Comparable<DcRequest> { |
| private static final String LOG_TAG = "DcRequest"; |
| |
| @NonNull |
| public final NetworkRequest networkRequest; |
| public final int priority; |
| public final @ApnType int apnType; |
| |
| private DcRequest(@NonNull final NetworkRequest nr, @ApnType final int type, |
| int apnPriority) { |
| networkRequest = nr; |
| priority = apnPriority; |
| apnType = type; |
| } |
| |
| /** |
| * Create a DcRequest based off of the network request. If the network request is not cellular, |
| * then null is returned and a warning is generated. |
| * @param networkRequest sets the type of dc request |
| * @param apnConfigTypeRepository apn config types to match on the network request |
| * @return corresponding DcRequest |
| * |
| */ |
| @Nullable |
| public static DcRequest create(@NonNull final NetworkRequest networkRequest, |
| @NonNull final ApnConfigTypeRepository apnConfigTypeRepository) { |
| final int apnType = ApnContext.getApnTypeFromNetworkRequest(networkRequest); |
| final ApnConfigType apnConfigType = apnConfigTypeRepository.getByType(apnType); |
| if (apnConfigType == null) { |
| Rlog.d(LOG_TAG, "Non cellular request ignored: " + networkRequest.toString()); |
| checkForAnomalousNetworkRequest(networkRequest); |
| return null; |
| } else { |
| Rlog.d(LOG_TAG, "Cellular request confirmed: " + networkRequest.toString()); |
| return new DcRequest(networkRequest, apnType, apnConfigType.getPriority()); |
| } |
| } |
| |
| private static void checkForAnomalousNetworkRequest(NetworkRequest networkRequest) { |
| NetworkSpecifier specifier = networkRequest.getNetworkSpecifier(); |
| if (specifier != null) { |
| if (specifier instanceof TelephonyNetworkSpecifier) { |
| reportAnomalousNetworkRequest(networkRequest); |
| } |
| } |
| } |
| |
| private static void reportAnomalousNetworkRequest(NetworkRequest networkRequest) { |
| //TODO: Report anomaly if this happens |
| Rlog.w(LOG_TAG, "A TelephonyNetworkSpecifier for a non-cellular request is invalid: " |
| + networkRequest.toString()); |
| |
| } |
| |
| public String toString() { |
| return networkRequest.toString() + ", priority=" + priority + ", apnType=" + apnType; |
| } |
| |
| public int hashCode() { |
| return networkRequest.hashCode(); |
| } |
| |
| public boolean equals(Object o) { |
| if (o instanceof DcRequest) { |
| return networkRequest.equals(((DcRequest)o).networkRequest); |
| } |
| return false; |
| } |
| |
| public int compareTo(DcRequest o) { |
| return o.priority - priority; |
| } |
| } |