637 lines
22 KiB
Java
637 lines
22 KiB
Java
/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.telephony;
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import android.annotation.FlaggedApi;
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import android.annotation.IntDef;
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import android.annotation.NonNull;
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import android.annotation.Nullable;
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import android.annotation.SystemApi;
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import android.annotation.TestApi;
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import android.compat.Compatibility;
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import android.compat.annotation.ChangeId;
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import android.compat.annotation.EnabledAfter;
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import android.compat.annotation.UnsupportedAppUsage;
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import android.net.LinkProperties;
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import android.os.Build;
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import android.os.Parcel;
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import android.os.Parcelable;
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import android.telephony.AccessNetworkConstants.TransportType;
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import android.telephony.Annotation.ApnType;
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import android.telephony.Annotation.DataFailureCause;
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import android.telephony.Annotation.DataState;
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import android.telephony.Annotation.NetworkType;
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import android.telephony.data.ApnSetting;
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import android.telephony.data.DataCallResponse;
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import android.telephony.data.Qos;
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import com.android.internal.telephony.flags.Flags;
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import com.android.internal.telephony.util.TelephonyUtils;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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import java.util.Objects;
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/**
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* Contains precise data connection state.
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*
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* The following data connection information is included in returned PreciseDataConnectionState:
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*
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* <ul>
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* <li>Data connection state.
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* <li>Network type of the connection.
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* <li>APN types.
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* <li>APN.
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* <li>The properties of the network link.
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* <li>Data connection fail cause.
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* </ul>
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*
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*/
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public final class PreciseDataConnectionState implements Parcelable {
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private final @TransportType int mTransportType;
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private final int mId;
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private final int mNetId;
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private final @DataState int mState;
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private final @NetworkType int mNetworkType;
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private final @DataFailureCause int mFailCause;
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private final LinkProperties mLinkProperties;
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private final ApnSetting mApnSetting;
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private final Qos mDefaultQos;
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private final @NetworkValidationStatus int mNetworkValidationStatus;
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/** @hide */
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@IntDef(prefix = "NETWORK_VALIDATION_", value = {
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NETWORK_VALIDATION_UNSUPPORTED,
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NETWORK_VALIDATION_NOT_REQUESTED,
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NETWORK_VALIDATION_IN_PROGRESS,
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NETWORK_VALIDATION_SUCCESS,
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NETWORK_VALIDATION_FAILURE,
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})
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@Retention(RetentionPolicy.SOURCE)
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public @interface NetworkValidationStatus {}
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/**
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* Unsupported. The unsupported state is used when the data network cannot support the network
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* validation function for the current data connection state.
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*/
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@FlaggedApi(Flags.FLAG_NETWORK_VALIDATION)
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public static final int NETWORK_VALIDATION_UNSUPPORTED = 0;
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/**
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* Not Requested. The not requested status is used when the data network supports the network
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* validation function, but no network validation is being performed yet.
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*/
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@FlaggedApi(Flags.FLAG_NETWORK_VALIDATION)
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public static final int NETWORK_VALIDATION_NOT_REQUESTED = 1;
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/**
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* In progress. The in progress state is used when the network validation process for the data
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* network is in progress. This state is followed by either success or failure.
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*/
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@FlaggedApi(Flags.FLAG_NETWORK_VALIDATION)
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public static final int NETWORK_VALIDATION_IN_PROGRESS = 2;
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/**
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* Success. The Success status is used when network validation has been completed for the data
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* network and the result is successful.
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*/
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@FlaggedApi(Flags.FLAG_NETWORK_VALIDATION)
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public static final int NETWORK_VALIDATION_SUCCESS = 3;
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/**
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* Failure. The Failure status is used when network validation has been completed for the data
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* network and the result is failure.
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*/
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@FlaggedApi(Flags.FLAG_NETWORK_VALIDATION)
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public static final int NETWORK_VALIDATION_FAILURE = 4;
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/**
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* Constructor
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*
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* @deprecated this constructor has been superseded and should not be used.
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* @hide
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*/
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@TestApi
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@Deprecated
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@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553) // (maxTargetSdk = Build.VERSION_CODES.Q)
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// FIXME: figure out how to remove the UnsupportedAppUsage and delete this constructor
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public PreciseDataConnectionState(@DataState int state,
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@NetworkType int networkType,
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@ApnType int apnTypes, @NonNull String apn,
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@Nullable LinkProperties linkProperties,
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@DataFailureCause int failCause) {
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this(AccessNetworkConstants.TRANSPORT_TYPE_INVALID, -1, -1, state, networkType,
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linkProperties, failCause, new ApnSetting.Builder()
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.setApnTypeBitmask(apnTypes)
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.setApnName(apn)
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.setEntryName(apn)
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.build(), null, NETWORK_VALIDATION_UNSUPPORTED);
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}
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/**
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* Constructor of PreciseDataConnectionState
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*
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* @param transportType The transport of the data connection
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* @param id The id of the data connection
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* @param state The state of the data connection
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* @param networkType The access network that is/would carry this data connection
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* @param linkProperties If the data connection is connected, the properties of the connection
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* @param failCause In case a procedure related to this data connection fails, a non-zero error
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* code indicating the cause of the failure.
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* @param apnSetting If there is a valid APN for this Data Connection, then the APN Settings;
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* if there is no valid APN setting for the specific type, then this will be null
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* @param defaultQos If there is a valid QoS for the default bearer supporting this data call,
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* (supported for LTE and NR), then this is specified. Otherwise it should be null.
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*/
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private PreciseDataConnectionState(@TransportType int transportType, int id, int netId,
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@DataState int state, @NetworkType int networkType,
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@Nullable LinkProperties linkProperties, @DataFailureCause int failCause,
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@Nullable ApnSetting apnSetting, @Nullable Qos defaultQos,
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@NetworkValidationStatus int networkValidationStatus) {
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mTransportType = transportType;
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mId = id;
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mNetId = netId;
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mState = state;
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mNetworkType = networkType;
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mLinkProperties = linkProperties;
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mFailCause = failCause;
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mApnSetting = apnSetting;
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mDefaultQos = defaultQos;
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mNetworkValidationStatus = networkValidationStatus;
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}
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/**
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* Construct a PreciseDataConnectionState object from the given parcel.
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*
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* @hide
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*/
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private PreciseDataConnectionState(Parcel in) {
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mTransportType = in.readInt();
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mId = in.readInt();
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mNetId = in.readInt();
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mState = in.readInt();
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mNetworkType = in.readInt();
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mLinkProperties = in.readParcelable(
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LinkProperties.class.getClassLoader(),
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android.net.LinkProperties.class);
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mFailCause = in.readInt();
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mApnSetting = in.readParcelable(
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ApnSetting.class.getClassLoader(),
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android.telephony.data.ApnSetting.class);
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mDefaultQos = in.readParcelable(
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Qos.class.getClassLoader(),
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android.telephony.data.Qos.class);
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mNetworkValidationStatus = in.readInt();
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}
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/**
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* Used for checking if the SDK version for
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* {@code PreciseDataConnectionState#getDataConnectionState} is above Q.
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*/
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@ChangeId
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@EnabledAfter(targetSdkVersion = Build.VERSION_CODES.Q)
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private static final long GET_DATA_CONNECTION_STATE_R_VERSION = 148535736L;
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/**
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* Returns the state of data connection that supported the apn types returned by
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* {@link #getDataConnectionApnTypeBitMask()}
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*
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* @deprecated use {@link #getState()}
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* @hide
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*/
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@Deprecated
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@SystemApi
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public @DataState int getDataConnectionState() {
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if (mState == TelephonyManager.DATA_DISCONNECTING
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&& !Compatibility.isChangeEnabled(GET_DATA_CONNECTION_STATE_R_VERSION)) {
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return TelephonyManager.DATA_CONNECTED;
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}
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return mState;
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}
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/**
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* @return The transport type of this data connection.
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*/
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public @TransportType int getTransportType() {
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return mTransportType;
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}
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/**
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* @return The unique id of the data connection
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*
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* Note this is the id assigned by the data service.
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* The id remains the same for data connection handover between
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* {@link AccessNetworkConstants#TRANSPORT_TYPE_WLAN} and
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* {@link AccessNetworkConstants#TRANSPORT_TYPE_WWAN}
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*
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*/
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public int getId() {
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return mId;
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}
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/**
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* @return the current TelephonyNetworkAgent ID. {@code -1} if no network agent.
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* @hide
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*/
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public int getNetId() {
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return mNetId;
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}
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/**
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* @return The high-level state of this data connection.
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*/
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public @DataState int getState() {
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return mState;
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}
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/**
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* Get the network type associated with this data connection.
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*
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* @return The current/latest (radio) bearer technology that carries this data connection.
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* For a variety of reasons, the network type can change during the life of the data
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* connection, and this information is not reliable unless the physical link is currently
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* active; (there is currently no mechanism to know whether the physical link is active at
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* any given moment). Thus, this value is generally correct but may not be relied-upon to
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* represent the status of the radio bearer at any given moment.
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*/
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public @NetworkType int getNetworkType() {
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return mNetworkType;
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}
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/**
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* Returns the APN types mapped to this data connection.
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*
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* @deprecated use {@link #getApnSetting()}
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* @hide
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*/
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@Deprecated
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@SystemApi
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public @ApnType int getDataConnectionApnTypeBitMask() {
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return (mApnSetting != null) ? mApnSetting.getApnTypeBitmask() : ApnSetting.TYPE_NONE;
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}
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/**
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* Returns APN of this data connection.
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*
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* @deprecated use {@link #getApnSetting()}
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* @hide
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*/
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@NonNull
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@SystemApi
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@Deprecated
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public String getDataConnectionApn() {
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return (mApnSetting != null) ? mApnSetting.getApnName() : "";
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}
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/**
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* Get the properties of the network link {@link LinkProperties}.
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*/
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@Nullable
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public LinkProperties getLinkProperties() {
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return mLinkProperties;
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}
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/**
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* Returns the cause code generated by the most recent state change.
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*
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* @deprecated use {@link #getLastCauseCode()}
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* @hide
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*/
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@Deprecated
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@SystemApi
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public int getDataConnectionFailCause() {
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return mFailCause;
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}
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/**
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* Returns the cause code generated by the most recent state change.
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*
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* Return the cause code for the most recent change in {@link #getState}. In the event of an
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* error, this cause code will be non-zero.
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*/
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public @DataFailureCause int getLastCauseCode() {
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return mFailCause;
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}
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/**
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* Return the APN Settings for this data connection.
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*
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* @return the ApnSetting that was used to configure this data connection. Note that a data
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* connection cannot be established without a valid {@link ApnSetting}. The return value would
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* never be {@code null} even though it has {@link Nullable} annotation.
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*/
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public @Nullable ApnSetting getApnSetting() {
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return mApnSetting;
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}
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/**
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* Return the QoS for the default bearer of this data connection.
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*
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* @return the default QoS if known or {@code null} if it is unknown. If the value is reported
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* for LTE, then it will be an {@link android.telephony.data.EpsQos EpsQos}. If the value is
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* reported for 5G, then it will be an {@link android.telehpony.data.NrQos NrQos}. Otherwise it
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* shall always be {@code null}.
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*
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* @hide
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*/
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public @Nullable Qos getDefaultQos() {
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return mDefaultQos;
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}
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/**
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* Returns the network validation state.
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*
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* @return the network validation status of the data call
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*/
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@FlaggedApi(Flags.FLAG_NETWORK_VALIDATION)
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public @NetworkValidationStatus int getNetworkValidationStatus() {
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return mNetworkValidationStatus;
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}
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@Override
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public int describeContents() {
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return 0;
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}
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@Override
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public void writeToParcel(@NonNull Parcel out, int flags) {
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out.writeInt(mTransportType);
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out.writeInt(mId);
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out.writeInt(mNetId);
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out.writeInt(mState);
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out.writeInt(mNetworkType);
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out.writeParcelable(mLinkProperties, flags);
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out.writeInt(mFailCause);
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out.writeParcelable(mApnSetting, flags);
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out.writeParcelable(mDefaultQos, flags);
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out.writeInt(mNetworkValidationStatus);
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}
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public static final @NonNull Parcelable.Creator<PreciseDataConnectionState> CREATOR
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= new Parcelable.Creator<PreciseDataConnectionState>() {
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public PreciseDataConnectionState createFromParcel(Parcel in) {
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return new PreciseDataConnectionState(in);
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}
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public PreciseDataConnectionState[] newArray(int size) {
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return new PreciseDataConnectionState[size];
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}
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};
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@Override
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public int hashCode() {
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return Objects.hash(mTransportType, mId, mNetId, mState, mNetworkType, mFailCause,
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mLinkProperties, mApnSetting, mDefaultQos, mNetworkValidationStatus);
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}
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@Override
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public boolean equals(Object o) {
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if (this == o) return true;
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if (o == null || getClass() != o.getClass()) return false;
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PreciseDataConnectionState that = (PreciseDataConnectionState) o;
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return mTransportType == that.mTransportType
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&& mId == that.mId
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&& mNetId == that.mNetId
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&& mState == that.mState
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&& mNetworkType == that.mNetworkType
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&& mFailCause == that.mFailCause
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&& Objects.equals(mLinkProperties, that.mLinkProperties)
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&& Objects.equals(mApnSetting, that.mApnSetting)
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&& Objects.equals(mDefaultQos, that.mDefaultQos)
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&& mNetworkValidationStatus == that.mNetworkValidationStatus;
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}
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@NonNull
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@Override
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public String toString() {
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StringBuilder sb = new StringBuilder();
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sb.append(" state: ").append(TelephonyUtils.dataStateToString(mState));
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sb.append(", transport: ").append(
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AccessNetworkConstants.transportTypeToString(mTransportType));
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sb.append(", id: ").append(mId);
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sb.append(", netId: ").append(mNetId);
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sb.append(", network type: ").append(TelephonyManager.getNetworkTypeName(mNetworkType));
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sb.append(", APN Setting: ").append(mApnSetting);
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sb.append(", link properties: ").append(mLinkProperties);
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sb.append(", default QoS: ").append(mDefaultQos);
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sb.append(", fail cause: ").append(DataFailCause.toString(mFailCause));
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sb.append(", network validation status: ").append(
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networkValidationStatusToString(mNetworkValidationStatus));
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return sb.toString();
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}
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/**
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* Convert a network validation status to string.
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*
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* @param networkValidationStatus network validation status.
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* @return string of validation status.
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*
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* @hide
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*/
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@NonNull
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public static String networkValidationStatusToString(
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@NetworkValidationStatus int networkValidationStatus) {
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switch (networkValidationStatus) {
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case NETWORK_VALIDATION_UNSUPPORTED: return "unsupported";
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case NETWORK_VALIDATION_NOT_REQUESTED: return "not requested";
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case NETWORK_VALIDATION_IN_PROGRESS: return "in progress";
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case NETWORK_VALIDATION_SUCCESS: return "success";
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case NETWORK_VALIDATION_FAILURE: return "failure";
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default: return Integer.toString(networkValidationStatus);
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}
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}
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/**
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* {@link PreciseDataConnectionState} builder
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*
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* @hide
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*/
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public static final class Builder {
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/** The transport type of the data connection */
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private @TransportType int mTransportType = AccessNetworkConstants.TRANSPORT_TYPE_INVALID;
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/**
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* The unique ID of the data connection. This is the id assigned in
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* {@link DataCallResponse)}.
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*/
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private int mId = -1;
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/**
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* The current TelephonyNetworkAgent ID. {@code -1} if no network agent.
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*/
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private int mNetworkAgentId = -1;
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/** The state of the data connection */
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private @DataState int mState = TelephonyManager.DATA_UNKNOWN;
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/** The network type associated with this data connection */
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private @NetworkType int mNetworkType = TelephonyManager.NETWORK_TYPE_UNKNOWN;
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/** If the data connection is connected, the properties of the connection */
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private @Nullable LinkProperties mLinkProperties;
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/**
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* In case a procedure related to this data connection fails, a non-zero error code
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* indicating the cause of the failure.
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*/
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private @DataFailureCause int mFailCause = DataFailCause.NONE;
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/** The APN Setting for this data connection */
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private @Nullable ApnSetting mApnSetting;
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/** The Default QoS for this EPS/5GS bearer or null otherwise */
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private @Nullable Qos mDefaultQos;
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/** The network validation status for the data connection. */
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private @NetworkValidationStatus int mNetworkValidationStatus =
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NETWORK_VALIDATION_UNSUPPORTED;
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/**
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* Set the transport type of the data connection.
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*
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* @param transportType The transport type of the data connection
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* @return The builder
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*/
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public @NonNull Builder setTransportType(@TransportType int transportType) {
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mTransportType = transportType;
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return this;
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}
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/**
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* Set the id of the data connection.
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*
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* @param id The id of the data connection
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* @return The builder
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*/
|
|
public @NonNull Builder setId(int id) {
|
|
mId = id;
|
|
return this;
|
|
}
|
|
|
|
/**
|
|
* Set the id of the data connection.
|
|
*
|
|
* @param agentId The id of the data connection
|
|
* @return The builder
|
|
*/
|
|
public @NonNull Builder setNetworkAgentId(int agentId) {
|
|
mNetworkAgentId = agentId;
|
|
return this;
|
|
}
|
|
|
|
/**
|
|
* Set the state of the data connection.
|
|
*
|
|
* @param state The state of the data connection
|
|
* @return The builder
|
|
*/
|
|
public @NonNull Builder setState(@DataState int state) {
|
|
mState = state;
|
|
return this;
|
|
}
|
|
|
|
/**
|
|
* Set the network type associated with this data connection.
|
|
*
|
|
* @param networkType The network type
|
|
* @return The builder
|
|
*/
|
|
public @NonNull Builder setNetworkType(@NetworkType int networkType) {
|
|
mNetworkType = networkType;
|
|
return this;
|
|
}
|
|
|
|
/**
|
|
* Set the link properties of the connection.
|
|
*
|
|
* @param linkProperties Link properties
|
|
* @return The builder
|
|
*/
|
|
public @NonNull Builder setLinkProperties(LinkProperties linkProperties) {
|
|
mLinkProperties = linkProperties;
|
|
return this;
|
|
}
|
|
|
|
/**
|
|
* Set the fail cause of the data connection.
|
|
*
|
|
* @param failCause In case a procedure related to this data connection fails, a non-zero
|
|
* error code indicating the cause of the failure.
|
|
* @return The builder
|
|
*/
|
|
public @NonNull Builder setFailCause(@DataFailureCause int failCause) {
|
|
mFailCause = failCause;
|
|
return this;
|
|
}
|
|
|
|
/**
|
|
* Set the APN Setting for this data connection.
|
|
*
|
|
* @param apnSetting APN setting
|
|
* @return This builder
|
|
*/
|
|
public @NonNull Builder setApnSetting(@NonNull ApnSetting apnSetting) {
|
|
mApnSetting = apnSetting;
|
|
return this;
|
|
}
|
|
|
|
/**
|
|
* Set the default QoS for this data connection.
|
|
*
|
|
* @param qos The qos information, if any, associated with the default bearer of the
|
|
* data connection.
|
|
* @return The builder
|
|
* @hide
|
|
*/
|
|
public @NonNull Builder setDefaultQos(@Nullable Qos qos) {
|
|
mDefaultQos = qos;
|
|
return this;
|
|
}
|
|
|
|
/**
|
|
* Set the network validation state for the data connection.
|
|
*
|
|
* @param networkValidationStatus the network validation status of the data call
|
|
* @return The builder
|
|
*/
|
|
@FlaggedApi(Flags.FLAG_NETWORK_VALIDATION)
|
|
public @NonNull Builder setNetworkValidationStatus(
|
|
@NetworkValidationStatus int networkValidationStatus) {
|
|
mNetworkValidationStatus = networkValidationStatus;
|
|
return this;
|
|
}
|
|
|
|
/**
|
|
* Build the {@link PreciseDataConnectionState} instance.
|
|
*
|
|
* @return The {@link PreciseDataConnectionState} instance
|
|
*/
|
|
public PreciseDataConnectionState build() {
|
|
return new PreciseDataConnectionState(mTransportType, mId, mNetworkAgentId, mState,
|
|
mNetworkType, mLinkProperties, mFailCause, mApnSetting, mDefaultQos,
|
|
mNetworkValidationStatus);
|
|
}
|
|
}
|
|
}
|