| /* |
| * Copyright 2019 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 android.telephony; |
| |
| import android.annotation.IntDef; |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.annotation.SuppressLint; |
| import android.annotation.SystemApi; |
| import android.annotation.TestApi; |
| import android.os.Parcel; |
| import android.os.Parcelable; |
| import android.util.SparseArray; |
| |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.util.Objects; |
| |
| /** |
| * Provides the barring configuration for a particular service type. |
| * |
| * Provides indication about the barring of a particular service for use. Certain barring types |
| * are only valid for certain technology families. Any service that does not have a barring |
| * configuration is unbarred by default. |
| */ |
| public final class BarringInfo implements Parcelable { |
| |
| /** |
| * Barring Service Type |
| * |
| * @hide |
| */ |
| @Retention(RetentionPolicy.SOURCE) |
| @IntDef(prefix = "BARRING_SERVICE_TYPE_", value = { |
| BARRING_SERVICE_TYPE_CS_SERVICE, |
| BARRING_SERVICE_TYPE_PS_SERVICE, |
| BARRING_SERVICE_TYPE_CS_VOICE, |
| BARRING_SERVICE_TYPE_MO_SIGNALLING, |
| BARRING_SERVICE_TYPE_MO_DATA, |
| BARRING_SERVICE_TYPE_CS_FALLBACK, |
| BARRING_SERVICE_TYPE_MMTEL_VOICE, |
| BARRING_SERVICE_TYPE_MMTEL_VIDEO, |
| BARRING_SERVICE_TYPE_EMERGENCY, |
| BARRING_SERVICE_TYPE_SMS}) |
| public @interface BarringServiceType {} |
| |
| /* Applicable to UTRAN */ |
| /** Barring indicator for circuit-switched service; applicable to UTRAN */ |
| public static final int BARRING_SERVICE_TYPE_CS_SERVICE = |
| android.hardware.radio.network.BarringInfo.SERVICE_TYPE_CS_SERVICE; |
| /** Barring indicator for packet-switched service; applicable to UTRAN */ |
| public static final int BARRING_SERVICE_TYPE_PS_SERVICE = |
| android.hardware.radio.network.BarringInfo.SERVICE_TYPE_PS_SERVICE; |
| /** Barring indicator for circuit-switched voice service; applicable to UTRAN */ |
| public static final int BARRING_SERVICE_TYPE_CS_VOICE = |
| android.hardware.radio.network.BarringInfo.SERVICE_TYPE_CS_VOICE; |
| |
| /* Applicable to EUTRAN, NGRAN */ |
| /** Barring indicator for mobile-originated signalling; applicable to EUTRAN and NGRAN */ |
| public static final int BARRING_SERVICE_TYPE_MO_SIGNALLING = |
| android.hardware.radio.network.BarringInfo.SERVICE_TYPE_MO_SIGNALLING; |
| /** Barring indicator for mobile-originated data traffic; applicable to EUTRAN and NGRAN */ |
| public static final int BARRING_SERVICE_TYPE_MO_DATA = |
| android.hardware.radio.network.BarringInfo.SERVICE_TYPE_MO_DATA; |
| /** Barring indicator for circuit-switched fallback for voice; applicable to EUTRAN and NGRAN */ |
| public static final int BARRING_SERVICE_TYPE_CS_FALLBACK = |
| android.hardware.radio.network.BarringInfo.SERVICE_TYPE_CS_FALLBACK; |
| /** Barring indicator for MMTEL (IMS) voice; applicable to EUTRAN and NGRAN */ |
| public static final int BARRING_SERVICE_TYPE_MMTEL_VOICE = |
| android.hardware.radio.network.BarringInfo.SERVICE_TYPE_MMTEL_VOICE; |
| /** Barring indicator for MMTEL (IMS) video; applicable to EUTRAN and NGRAN */ |
| public static final int BARRING_SERVICE_TYPE_MMTEL_VIDEO = |
| android.hardware.radio.network.BarringInfo.SERVICE_TYPE_MMTEL_VIDEO; |
| |
| /* Applicable to UTRAN, EUTRAN, NGRAN */ |
| /** Barring indicator for emergency services; applicable to UTRAN, EUTRAN, and NGRAN */ |
| public static final int BARRING_SERVICE_TYPE_EMERGENCY = |
| android.hardware.radio.network.BarringInfo.SERVICE_TYPE_EMERGENCY; |
| /** Barring indicator for SMS sending; applicable to UTRAN, EUTRAN, and NGRAN */ |
| public static final int BARRING_SERVICE_TYPE_SMS = |
| android.hardware.radio.network.BarringInfo.SERVICE_TYPE_SMS; |
| |
| //TODO: add barring constants for Operator-Specific barring codes |
| |
| /** Describe the current barring configuration of a cell */ |
| public static final class BarringServiceInfo implements Parcelable { |
| /** |
| * Barring Type |
| * @hide |
| */ |
| @Retention(RetentionPolicy.SOURCE) |
| @IntDef(prefix = "BARRING_TYPE_", value = |
| {BARRING_TYPE_NONE, |
| BARRING_TYPE_UNCONDITIONAL, |
| BARRING_TYPE_CONDITIONAL, |
| BARRING_TYPE_UNKNOWN}) |
| public @interface BarringType {} |
| |
| /** Barring is inactive */ |
| public static final int BARRING_TYPE_NONE = |
| android.hardware.radio.network.BarringInfo.BARRING_TYPE_NONE; |
| /** The service is barred */ |
| public static final int BARRING_TYPE_UNCONDITIONAL = |
| android.hardware.radio.network.BarringInfo.BARRING_TYPE_UNCONDITIONAL; |
| /** The service may be barred based on additional factors */ |
| public static final int BARRING_TYPE_CONDITIONAL = |
| android.hardware.radio.network.BarringInfo.BARRING_TYPE_CONDITIONAL; |
| |
| /** If a modem does not report barring info, then the barring type will be UNKNOWN */ |
| public static final int BARRING_TYPE_UNKNOWN = -1; |
| |
| private final @BarringType int mBarringType; |
| |
| private final boolean mIsConditionallyBarred; |
| private final int mConditionalBarringFactor; |
| private final int mConditionalBarringTimeSeconds; |
| |
| /** @hide */ |
| public BarringServiceInfo(@BarringType int type) { |
| this(type, false, 0, 0); |
| } |
| |
| /** @hide */ |
| @TestApi |
| public BarringServiceInfo(@BarringType int barringType, boolean isConditionallyBarred, |
| int conditionalBarringFactor, int conditionalBarringTimeSeconds) { |
| mBarringType = barringType; |
| mIsConditionallyBarred = isConditionallyBarred; |
| mConditionalBarringFactor = conditionalBarringFactor; |
| mConditionalBarringTimeSeconds = conditionalBarringTimeSeconds; |
| } |
| |
| public @BarringType int getBarringType() { |
| return mBarringType; |
| } |
| |
| /** |
| * @return true if the conditional barring parameters have resulted in the service being |
| * barred; false if the service has either not been evaluated for conditional |
| * barring or has been evaluated and isn't barred. |
| */ |
| public boolean isConditionallyBarred() { |
| return mIsConditionallyBarred; |
| } |
| |
| /** |
| * @return the conditional barring factor as a percentage 0-100, which is the probability of |
| * a random device being barred for the service type. |
| */ |
| public int getConditionalBarringFactor() { |
| return mConditionalBarringFactor; |
| } |
| |
| /** |
| * @return the conditional barring time seconds, which is the interval between successive |
| * evaluations for conditional barring based on the barring factor. |
| */ |
| @SuppressLint("MethodNameUnits") |
| public int getConditionalBarringTimeSeconds() { |
| return mConditionalBarringTimeSeconds; |
| } |
| |
| /** |
| * Return whether a service is currently barred based on the BarringInfo |
| * |
| * @return true if the service is currently being barred, otherwise false |
| */ |
| public boolean isBarred() { |
| return mBarringType == BarringServiceInfo.BARRING_TYPE_UNCONDITIONAL |
| || (mBarringType == BarringServiceInfo.BARRING_TYPE_CONDITIONAL |
| && mIsConditionallyBarred); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(mBarringType, mIsConditionallyBarred, |
| mConditionalBarringFactor, mConditionalBarringTimeSeconds); |
| } |
| |
| @Override |
| public boolean equals(Object rhs) { |
| if (!(rhs instanceof BarringServiceInfo)) return false; |
| |
| BarringServiceInfo other = (BarringServiceInfo) rhs; |
| return mBarringType == other.mBarringType |
| && mIsConditionallyBarred == other.mIsConditionallyBarred |
| && mConditionalBarringFactor == other.mConditionalBarringFactor |
| && mConditionalBarringTimeSeconds == other.mConditionalBarringTimeSeconds; |
| } |
| |
| private static String barringTypeToString(@BarringType int barringType) { |
| return switch (barringType) { |
| case BARRING_TYPE_NONE -> "NONE"; |
| case BARRING_TYPE_CONDITIONAL -> "CONDITIONAL"; |
| case BARRING_TYPE_UNCONDITIONAL -> "UNCONDITIONAL"; |
| case BARRING_TYPE_UNKNOWN -> "UNKNOWN"; |
| default -> "UNKNOWN(" + barringType + ")"; |
| }; |
| } |
| |
| @Override |
| public String toString() { |
| return "BarringServiceInfo {mBarringType=" + barringTypeToString(mBarringType) |
| + ", mIsConditionallyBarred=" + mIsConditionallyBarred |
| + ", mConditionalBarringFactor=" + mConditionalBarringFactor |
| + ", mConditionalBarringTimeSeconds=" + mConditionalBarringTimeSeconds + "}"; |
| } |
| |
| /** @hide */ |
| public BarringServiceInfo(Parcel p) { |
| mBarringType = p.readInt(); |
| mIsConditionallyBarred = p.readBoolean(); |
| mConditionalBarringFactor = p.readInt(); |
| mConditionalBarringTimeSeconds = p.readInt(); |
| } |
| |
| @Override |
| public void writeToParcel(@NonNull Parcel dest, int flags) { |
| dest.writeInt(mBarringType); |
| dest.writeBoolean(mIsConditionallyBarred); |
| dest.writeInt(mConditionalBarringFactor); |
| dest.writeInt(mConditionalBarringTimeSeconds); |
| } |
| |
| /* @inheritDoc */ |
| public static final @NonNull Parcelable.Creator<BarringServiceInfo> CREATOR = |
| new Parcelable.Creator<BarringServiceInfo>() { |
| @Override |
| public BarringServiceInfo createFromParcel(Parcel source) { |
| return new BarringServiceInfo(source); |
| } |
| |
| @Override |
| public BarringServiceInfo[] newArray(int size) { |
| return new BarringServiceInfo[size]; |
| } |
| }; |
| |
| @Override |
| public int describeContents() { |
| return 0; |
| } |
| } |
| |
| private static final BarringServiceInfo BARRING_SERVICE_INFO_UNKNOWN = |
| new BarringServiceInfo(BarringServiceInfo.BARRING_TYPE_UNKNOWN); |
| |
| private static final BarringServiceInfo BARRING_SERVICE_INFO_UNBARRED = |
| new BarringServiceInfo(BarringServiceInfo.BARRING_TYPE_NONE); |
| |
| private CellIdentity mCellIdentity; |
| |
| // A SparseArray potentially mapping each BarringService type to a BarringServiceInfo config |
| // that describes the current barring status of that particular service. |
| private SparseArray<BarringServiceInfo> mBarringServiceInfos; |
| |
| /** @hide */ |
| @SystemApi |
| public BarringInfo() { |
| mBarringServiceInfos = new SparseArray<>(); |
| } |
| |
| /** |
| * Constructor for new BarringInfo instances. |
| * |
| * @hide |
| */ |
| @TestApi |
| public BarringInfo(@Nullable CellIdentity barringCellId, |
| @NonNull SparseArray<BarringServiceInfo> barringServiceInfos) { |
| mCellIdentity = barringCellId; |
| mBarringServiceInfos = barringServiceInfos; |
| } |
| |
| /** |
| * Get the BarringServiceInfo for a specified service. |
| * |
| * @return a BarringServiceInfo struct describing the current barring status for a service |
| */ |
| public @NonNull BarringServiceInfo getBarringServiceInfo(@BarringServiceType int service) { |
| BarringServiceInfo bsi = mBarringServiceInfos.get(service); |
| // If barring is reported but not for a particular service, then we report the barring |
| // type as UNKNOWN; if the modem reports barring info but doesn't report for a particular |
| // service then we can safely assume that the service isn't barred (for instance because |
| // that particular service isn't applicable to the current RAN). |
| return (bsi != null) ? bsi : mBarringServiceInfos.size() > 0 |
| ? BARRING_SERVICE_INFO_UNBARRED : BARRING_SERVICE_INFO_UNKNOWN; |
| } |
| |
| /** @hide */ |
| @SystemApi |
| public @NonNull BarringInfo createLocationInfoSanitizedCopy() { |
| // The only thing that would need sanitizing is the CellIdentity |
| if (mCellIdentity == null) return this; |
| |
| return new BarringInfo(mCellIdentity.sanitizeLocationInfo(), mBarringServiceInfos); |
| } |
| |
| /** @hide */ |
| public BarringInfo(Parcel p) { |
| mCellIdentity = p.readParcelable(CellIdentity.class.getClassLoader(), android.telephony.CellIdentity.class); |
| mBarringServiceInfos = p.readSparseArray(BarringServiceInfo.class.getClassLoader(), android.telephony.BarringInfo.BarringServiceInfo.class); |
| } |
| |
| @Override |
| public void writeToParcel(@NonNull Parcel dest, int flags) { |
| dest.writeParcelable(mCellIdentity, flags); |
| dest.writeSparseArray(mBarringServiceInfos); |
| } |
| |
| public static final @NonNull Parcelable.Creator<BarringInfo> CREATOR = |
| new Parcelable.Creator<BarringInfo>() { |
| @Override |
| public BarringInfo createFromParcel(Parcel source) { |
| return new BarringInfo(source); |
| } |
| |
| @Override |
| public BarringInfo[] newArray(int size) { |
| return new BarringInfo[size]; |
| } |
| }; |
| |
| @Override |
| public int describeContents() { |
| return 0; |
| } |
| |
| @Override |
| public int hashCode() { |
| int hash = mCellIdentity != null ? mCellIdentity.hashCode() : 7; |
| for (int i = 0; i < mBarringServiceInfos.size(); i++) { |
| hash = hash + 15 * mBarringServiceInfos.keyAt(i); |
| hash = hash + 31 * mBarringServiceInfos.valueAt(i).hashCode(); |
| } |
| return hash; |
| } |
| |
| @Override |
| public boolean equals(Object rhs) { |
| if (!(rhs instanceof BarringInfo)) return false; |
| |
| BarringInfo bi = (BarringInfo) rhs; |
| |
| if (hashCode() != bi.hashCode()) return false; |
| |
| if (mBarringServiceInfos.size() != bi.mBarringServiceInfos.size()) return false; |
| |
| for (int i = 0; i < mBarringServiceInfos.size(); i++) { |
| if (mBarringServiceInfos.keyAt(i) != bi.mBarringServiceInfos.keyAt(i)) return false; |
| if (!Objects.equals(mBarringServiceInfos.valueAt(i), |
| bi.mBarringServiceInfos.valueAt(i))) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| @Override |
| public String toString() { |
| return "BarringInfo {mCellIdentity=" + mCellIdentity |
| + ", mBarringServiceInfos=" + mBarringServiceInfos + "}"; |
| } |
| } |
