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/*
* Copyright (C) 2020 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.server.vcn;
import android.annotation.NonNull;
import android.content.Context;
import android.net.IpSecTransformState;
import android.net.vcn.FeatureFlags;
import android.net.vcn.FeatureFlagsImpl;
import android.os.Looper;
import java.util.Objects;
/**
* A simple class to pass around context information.
*
* @hide
*/
public class VcnContext {
@NonNull private final Context mContext;
@NonNull private final Looper mLooper;
@NonNull private final VcnNetworkProvider mVcnNetworkProvider;
@NonNull private final FeatureFlags mFeatureFlags;
private final boolean mIsInTestMode;
public VcnContext(
@NonNull Context context,
@NonNull Looper looper,
@NonNull VcnNetworkProvider vcnNetworkProvider,
boolean isInTestMode) {
mContext = Objects.requireNonNull(context, "Missing context");
mLooper = Objects.requireNonNull(looper, "Missing looper");
mVcnNetworkProvider = Objects.requireNonNull(vcnNetworkProvider, "Missing networkProvider");
mIsInTestMode = isInTestMode;
// Auto-generated class
mFeatureFlags = new FeatureFlagsImpl();
}
@NonNull
public Context getContext() {
return mContext;
}
@NonNull
public Looper getLooper() {
return mLooper;
}
@NonNull
public VcnNetworkProvider getVcnNetworkProvider() {
return mVcnNetworkProvider;
}
public boolean isInTestMode() {
return mIsInTestMode;
}
public boolean isFlagNetworkMetricMonitorEnabled() {
return mFeatureFlags.networkMetricMonitor();
}
public boolean isFlagIpSecTransformStateEnabled() {
// TODO: b/328844044: Ideally this code should gate the behavior by checking the
// android.net.platform.flags.ipsec_transform_state flag but that flag is not accessible
// right now. We should either update the code when the flag is accessible or remove the
// legacy behavior after VIC SDK finalization
try {
new IpSecTransformState.Builder();
return true;
} catch (Exception e) {
return false;
}
}
@NonNull
public FeatureFlags getFeatureFlags() {
return mFeatureFlags;
}
public boolean isFlagSafeModeTimeoutConfigEnabled() {
return mFeatureFlags.safeModeTimeoutConfig();
}
/**
* Verifies that the caller is running on the VcnContext Thread.
*
* @throwsIllegalStateException if the caller is not running on the VcnContext Thread.
*/
public void ensureRunningOnLooperThread() {
if (getLooper().getThread() != Thread.currentThread()) {
throw new IllegalStateException("Not running on VcnMgmtSvc thread");
}
}
}
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