Home | History | Annotate | Download | only in metrics 
      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.metrics;
     18 
     19 import android.annotation.SystemApi;
     20 import android.os.Parcel;
     21 import android.os.Parcelable;
     22 
     23 /**
     24  * An event recorded when a DhcpClient state machine transitions to a new state.
     25  * {@hide}
     26  */
     27 @SystemApi
     28 public final class DhcpClientEvent implements Parcelable {
     29 
     30     // Names for recording DhcpClient pseudo-state transitions.
     31     /** {@hide} Represents transitions from DhcpInitState to DhcpBoundState */
     32     public static final String INITIAL_BOUND = "InitialBoundState";
     33     /** {@hide} Represents transitions from and to DhcpBoundState via DhcpRenewingState */
     34     public static final String RENEWING_BOUND = "RenewingBoundState";
     35 
     36     public final String ifName;
     37     public final String msg;
     38     public final int durationMs;
     39 
     40     /** {@hide} */
     41     public DhcpClientEvent(String ifName, String msg, int durationMs) {
     42         this.ifName = ifName;
     43         this.msg = msg;
     44         this.durationMs = durationMs;
     45     }
     46 
     47     private DhcpClientEvent(Parcel in) {
     48         this.ifName = in.readString();
     49         this.msg = in.readString();
     50         this.durationMs = in.readInt();
     51     }
     52 
     53     @Override
     54     public void writeToParcel(Parcel out, int flags) {
     55         out.writeString(ifName);
     56         out.writeString(msg);
     57         out.writeInt(durationMs);
     58     }
     59 
     60     @Override
     61     public int describeContents() {
     62         return 0;
     63     }
     64 
     65     @Override
     66     public String toString() {
     67         return String.format("DhcpClientEvent(%s, %s, %dms)", ifName, msg, durationMs);
     68     }
     69 
     70     public static final Parcelable.Creator<DhcpClientEvent> CREATOR
     71         = new Parcelable.Creator<DhcpClientEvent>() {
     72         public DhcpClientEvent createFromParcel(Parcel in) {
     73             return new DhcpClientEvent(in);
     74         }
     75 
     76         public DhcpClientEvent[] newArray(int size) {
     77             return new DhcpClientEvent[size];
     78         }
     79     };
     80 
     81     public static void logStateEvent(String ifName, String state) {
     82     }
     83 }
     84