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      1 /*
      2  * Copyright (C) 2016 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package android.net;
     18 
     19 import android.os.Parcelable;
     20 import android.net.ConnectivityMetricsEvent;
     21 import android.net.INetdEventCallback;
     22 
     23 /** {@hide} */
     24 interface IIpConnectivityMetrics {
     25 
     26     /**
     27      * @return the number of remaining available slots in buffer,
     28      * or -1 if the event was dropped due to rate limiting.
     29      */
     30     int logEvent(in ConnectivityMetricsEvent event);
     31 
     32     /**
     33      * Callback can be registered by DevicePolicyManager or NetworkWatchlistService only.
     34      * @return status {@code true} if registering/unregistering of the callback was successful,
     35      *         {@code false} otherwise (might happen if IIpConnectivityMetrics is not available,
     36      *         if it happens make sure you call it when the service is up in the caller)
     37      */
     38     boolean addNetdEventCallback(in int callerType, in INetdEventCallback callback);
     39     boolean removeNetdEventCallback(in int callerType);
     40 }
     41