/* * 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 android.net.ipsec.ike.exceptions; import android.net.ipsec.ike.ChildSessionCallback; import android.net.ipsec.ike.IkeSessionCallback; import com.android.internal.net.ipsec.ike.utils.IkeMetrics; /** * This exception is thrown if the remote server hits an error in assigning an internal IP address. * * <p>This exception indicates the remote server encounters an error while attempting to assign an * internal IP address during Child creation. * * @see <a href="https://tools.ietf.org/html/rfc7296#section-3.15.4">RFC 7296, Internet Key Exchange * Protocol Version 2 (IKEv2)</a> * @hide */ public final class InternalAddressFailureException extends IkeProtocolException { private static final int EXPECTED_ERROR_DATA_LEN = 0; /** * Construct an instance of InternalAddressFailureException. * * <p>Except for testing, IKE library users normally do not instantiate this object themselves * but instead get a reference via {@link IkeSessionCallback} or {@link ChildSessionCallback}. */ public InternalAddressFailureException() { super(ERROR_TYPE_INTERNAL_ADDRESS_FAILURE); } /** * Construct a instance of InternalAddressFailureException from a notify payload. * * @param notifyData the notify data included in the payload. * @hide */ public InternalAddressFailureException(byte[] notifyData) { super(ERROR_TYPE_INTERNAL_ADDRESS_FAILURE, notifyData); } /** @hide */ @Override protected boolean isValidDataLength(int dataLen) { return EXPECTED_ERROR_DATA_LEN == dataLen; } /** * Returns the error code for metrics * * @hide */ @Override public int getMetricsErrorCode() { return IkeMetrics.IKE_ERROR_PROTOCOL_INTERNAL_ADDRESS_FAILURE; } }