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/*
* Copyright (C) 2021 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.vcn;
import android.annotation.NonNull;
import android.annotation.SystemApi;
import android.net.NetworkCapabilities;
import android.os.Parcel;
import android.os.Parcelable;
import java.util.Objects;
/**
* VcnNetworkPolicyResult represents the Network policy result for a Network transport applying its
* VCN policy via {@link VcnManager#applyVcnNetworkPolicy(NetworkCapabilities, LinkProperties)}.
*
* <p>Bearers that are bringing up networks capable of acting as a VCN's underlying network should
* query for Network policy results upon any capability changes (e.g. changing of TRUSTED bit), and
* when prompted by VcnManagementService via {@link VcnManager.VcnNetworkPolicyListener}.
*
* @hide
*/
@SystemApi
public final class VcnNetworkPolicyResult implements Parcelable {
private final boolean mIsTearDownRequested;
private final NetworkCapabilities mNetworkCapabilities;
/**
* Constructs a VcnNetworkPolicyResult with the specified parameters.
*
* @hide
*/
public VcnNetworkPolicyResult(
boolean isTearDownRequested, @NonNull NetworkCapabilities networkCapabilities) {
Objects.requireNonNull(networkCapabilities, "networkCapabilities must be non-null");
mIsTearDownRequested = isTearDownRequested;
mNetworkCapabilities = networkCapabilities;
}
/**
* Returns whether this VCN policy result requires that the underlying Network should be torn
* down.
*
* <p>Upon querying for the current Network policy result, the bearer must check this method,
* and MUST tear down the corresponding Network if it returns true.
*/
public boolean isTeardownRequested() {
return mIsTearDownRequested;
}
/**
* Returns the NetworkCapabilities that the bearer should be using for the corresponding
* Network.
*/
@NonNull
public NetworkCapabilities getNetworkCapabilities() {
return mNetworkCapabilities;
}
@Override
public int hashCode() {
return Objects.hash(mIsTearDownRequested, mNetworkCapabilities);
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof VcnNetworkPolicyResult)) return false;
final VcnNetworkPolicyResult that = (VcnNetworkPolicyResult) o;
return mIsTearDownRequested == that.mIsTearDownRequested
&& mNetworkCapabilities.equals(that.mNetworkCapabilities);
}
@Override
public String toString() {
return "VcnNetworkPolicyResult { "
+ "mIsTeardownRequested = "
+ mIsTearDownRequested
+ ", mNetworkCapabilities"
+ mNetworkCapabilities
+ " }";
}
/** {@inheritDoc} */
@Override
public int describeContents() {
return 0;
}
/** {@inheritDoc} */
@Override
public void writeToParcel(@NonNull Parcel dest, int flags) {
dest.writeBoolean(mIsTearDownRequested);
dest.writeParcelable(mNetworkCapabilities, flags);
}
/** Implement the Parcelable interface */
public static final @NonNull Creator<VcnNetworkPolicyResult> CREATOR =
new Creator<VcnNetworkPolicyResult>() {
public VcnNetworkPolicyResult createFromParcel(Parcel in) {
return new VcnNetworkPolicyResult(in.readBoolean(), in.readParcelable(null, android.net.NetworkCapabilities.class));
}
public VcnNetworkPolicyResult[] newArray(int size) {
return new VcnNetworkPolicyResult[size];
}
};
}
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