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/*
* Copyright (C) 2015 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.net;
import static android.annotation.SystemApi.Client.MODULE_LIBRARIES;
import android.annotation.NonNull;
import android.annotation.SystemApi;
import android.os.Parcel;
import android.os.Parcelable;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Objects;
/**
* A lightweight container used to carry information on the networks that underly a given
* virtual network.
*
* @hide
*/
@SystemApi(client = MODULE_LIBRARIES)
public final class UnderlyingNetworkInfo implements Parcelable {
/** The owner of this network. */
private final int mOwnerUid;
/** The interface name of this network. */
@NonNull
private final String mIface;
/** The names of the interfaces underlying this network. */
@NonNull
private final List<String> mUnderlyingIfaces;
public UnderlyingNetworkInfo(int ownerUid, @NonNull String iface,
@NonNull List<String> underlyingIfaces) {
Objects.requireNonNull(iface);
Objects.requireNonNull(underlyingIfaces);
mOwnerUid = ownerUid;
mIface = iface;
mUnderlyingIfaces = Collections.unmodifiableList(new ArrayList<>(underlyingIfaces));
}
private UnderlyingNetworkInfo(@NonNull Parcel in) {
mOwnerUid = in.readInt();
mIface = in.readString();
List<String> underlyingIfaces = new ArrayList<>();
in.readList(underlyingIfaces, null /*classLoader*/);
mUnderlyingIfaces = Collections.unmodifiableList(underlyingIfaces);
}
/** Get the owner of this network. */
public int getOwnerUid() {
return mOwnerUid;
}
/** Get the interface name of this network. */
@NonNull
public String getInterface() {
return mIface;
}
/** Get the names of the interfaces underlying this network. */
@NonNull
public List<String> getUnderlyingInterfaces() {
return mUnderlyingIfaces;
}
@Override
public String toString() {
return "UnderlyingNetworkInfo{"
+ "ownerUid=" + mOwnerUid
+ ", iface='" + mIface + '\''
+ ", underlyingIfaces='" + mUnderlyingIfaces.toString() + '\''
+ '}';
}
@Override
public int describeContents() {
return 0;
}
@Override
public void writeToParcel(@NonNull Parcel dest, int flags) {
dest.writeInt(mOwnerUid);
dest.writeString(mIface);
dest.writeList(mUnderlyingIfaces);
}
@NonNull
public static final Parcelable.Creator<UnderlyingNetworkInfo> CREATOR =
new Parcelable.Creator<UnderlyingNetworkInfo>() {
@NonNull
@Override
public UnderlyingNetworkInfo createFromParcel(@NonNull Parcel in) {
return new UnderlyingNetworkInfo(in);
}
@NonNull
@Override
public UnderlyingNetworkInfo[] newArray(int size) {
return new UnderlyingNetworkInfo[size];
}
};
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof UnderlyingNetworkInfo)) return false;
final UnderlyingNetworkInfo that = (UnderlyingNetworkInfo) o;
return mOwnerUid == that.getOwnerUid()
&& Objects.equals(mIface, that.getInterface())
&& Objects.equals(mUnderlyingIfaces, that.getUnderlyingInterfaces());
}
@Override
public int hashCode() {
return Objects.hash(mOwnerUid, mIface, mUnderlyingIfaces);
}
}
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